├── .gitattributes
├── .gitignore
├── Cargo.lock
├── Cargo.toml
├── LICENSE
├── README.md
├── src
    ├── canvas.rs
    ├── canvas_processor.rs
    ├── cli_args.rs
    ├── main.rs
    ├── per_user_pps.rs
    ├── ping_listener.rs
    └── websocket_handler.rs
└── static
    ├── blue
        ├── index.html
        ├── script.js
        └── style.css
    ├── censor.css
    ├── censor.js
    ├── frontends.js
    ├── index.html
    ├── per_user_graph_example.html
    ├── prefix.js
    ├── timr
        ├── index.html
        ├── script.js
        ├── styles.css
        └── warning.js
    └── ziad
        ├── index.html
        ├── script.js
        └── styles.css


/.gitattributes:
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 1 | # Set the default behavior, in case people don't have core.autocrlf set.
 2 | * text=auto
 3 | 
 4 | # Explicitly declare text files you want to always be normalized and converted
 5 | # to native line endings on checkout.
 6 | *.c text
 7 | *.h text
 8 | *.html text
 9 | *.js text
10 | *.css text
11 | *.rs text
12 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | /target
2 | 


--------------------------------------------------------------------------------
/Cargo.lock:
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1563 |  "pin-project-lite",
1564 |  "socket2",
1565 |  "tokio-macros",
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1956 | name = "windows_x86_64_msvc"
1957 | version = "0.48.0"
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1960 | 


--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "place-ipv6-server"
 3 | version = "0.2.0"
 4 | edition = "2021"
 5 | authors = [ "EnderKill98" ]
 6 | 
 7 | # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 8 | 
 9 | # Increase performance slightly (approx 15% less cpu usage on heavy loads using a skylake processor)
10 | # This will increase compile times. Comment this out if building on a weak machine.
11 | [profile.release]
12 | lto = "fat"
13 | codegen-units = 1
14 | 
15 | [features]
16 | default = [ "per_user_pps" ]
17 | per_user_pps = [ "fxhash", "once_cell" ]
18 | 
19 | [dependencies]
20 | # Basics
21 | tracing = "0.1.37"
22 | tracing-subscriber = { version = "0.3.17", features = [ "env-filter" ] }
23 | color-eyre = "0.6.2"
24 | clap = { version = "4.3.1", features = [ "derive" ] }
25 | clap-num = "1.0.2"
26 | image = "0.23" # Same version used by dependency "nude" to prevent having 2 incompatible versions and needing to convert between them
27 | crossbeam-channel = "0.5.8"
28 | fxhash = { version = "0.2.1", optional = true }
29 | once_cell = { version = "1.18.0", optional = true }
30 | ipnet = "2.1.0"
31 | nude = "0.3.0"
32 | 
33 | # Webserver & Async stuff
34 | tokio = { version = "1.28.2", features = [ "macros", "rt-multi-thread" ] }
35 | futures-util = "0.3.28"
36 | async-fn-stream = "0.2.0"
37 | axum = { version = "0.6.18", features = [ "ws" ] }
38 | tower-http = { version = "0.4.0", features = [ "fs", "trace" ] }
39 | serde = { version = "1.0.163", features = [ "derive" ] }
40 | serde_json = "1.0.96"
41 | 
42 | # Network sniffing / Ping listening
43 | rawsock = { git = "https://github.com/szymonwieloch/rust-rawsock", rev = "acd20af" }
44 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
  1 |                     GNU GENERAL PUBLIC LICENSE
  2 |                        Version 3, 29 June 2007
  3 | 
  4 |  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
  5 |  Everyone is permitted to copy and distribute verbatim copies
  6 |  of this license document, but changing it is not allowed.
  7 | 
  8 |                             Preamble
  9 | 
 10 |   The GNU General Public License is a free, copyleft license for
 11 | software and other kinds of works.
 12 | 
 13 |   The licenses for most software and other practical works are designed
 14 | to take away your freedom to share and change the works.  By contrast,
 15 | the GNU General Public License is intended to guarantee your freedom to
 16 | share and change all versions of a program--to make sure it remains free
 17 | software for all its users.  We, the Free Software Foundation, use the
 18 | GNU General Public License for most of our software; it applies also to
 19 | any other work released this way by its authors.  You can apply it to
 20 | your programs, too.
 21 | 
 22 |   When we speak of free software, we are referring to freedom, not
 23 | price.  Our General Public Licenses are designed to make sure that you
 24 | have the freedom to distribute copies of free software (and charge for
 25 | them if you wish), that you receive source code or can get it if you
 26 | want it, that you can change the software or use pieces of it in new
 27 | free programs, and that you know you can do these things.
 28 | 
 29 |   To protect your rights, we need to prevent others from denying you
 30 | these rights or asking you to surrender the rights.  Therefore, you have
 31 | certain responsibilities if you distribute copies of the software, or if
 32 | you modify it: responsibilities to respect the freedom of others.
 33 | 
 34 |   For example, if you distribute copies of such a program, whether
 35 | gratis or for a fee, you must pass on to the recipients the same
 36 | freedoms that you received.  You must make sure that they, too, receive
 37 | or can get the source code.  And you must show them these terms so they
 38 | know their rights.
 39 | 
 40 |   Developers that use the GNU GPL protect your rights with two steps:
 41 | (1) assert copyright on the software, and (2) offer you this License
 42 | giving you legal permission to copy, distribute and/or modify it.
 43 | 
 44 |   For the developers' and authors' protection, the GPL clearly explains
 45 | that there is no warranty for this free software.  For both users' and
 46 | authors' sake, the GPL requires that modified versions be marked as
 47 | changed, so that their problems will not be attributed erroneously to
 48 | authors of previous versions.
 49 | 
 50 |   Some devices are designed to deny users access to install or run
 51 | modified versions of the software inside them, although the manufacturer
 52 | can do so.  This is fundamentally incompatible with the aim of
 53 | protecting users' freedom to change the software.  The systematic
 54 | pattern of such abuse occurs in the area of products for individuals to
 55 | use, which is precisely where it is most unacceptable.  Therefore, we
 56 | have designed this version of the GPL to prohibit the practice for those
 57 | products.  If such problems arise substantially in other domains, we
 58 | stand ready to extend this provision to those domains in future versions
 59 | of the GPL, as needed to protect the freedom of users.
 60 | 
 61 |   Finally, every program is threatened constantly by software patents.
 62 | States should not allow patents to restrict development and use of
 63 | software on general-purpose computers, but in those that do, we wish to
 64 | avoid the special danger that patents applied to a free program could
 65 | make it effectively proprietary.  To prevent this, the GPL assures that
 66 | patents cannot be used to render the program non-free.
 67 | 
 68 |   The precise terms and conditions for copying, distribution and
 69 | modification follow.
 70 | 
 71 |                        TERMS AND CONDITIONS
 72 | 
 73 |   0. Definitions.
 74 | 
 75 |   "This License" refers to version 3 of the GNU General Public License.
 76 | 
 77 |   "Copyright" also means copyright-like laws that apply to other kinds of
 78 | works, such as semiconductor masks.
 79 | 
 80 |   "The Program" refers to any copyrightable work licensed under this
 81 | License.  Each licensee is addressed as "you".  "Licensees" and
 82 | "recipients" may be individuals or organizations.
 83 | 
 84 |   To "modify" a work means to copy from or adapt all or part of the work
 85 | in a fashion requiring copyright permission, other than the making of an
 86 | exact copy.  The resulting work is called a "modified version" of the
 87 | earlier work or a work "based on" the earlier work.
 88 | 
 89 |   A "covered work" means either the unmodified Program or a work based
 90 | on the Program.
 91 | 
 92 |   To "propagate" a work means to do anything with it that, without
 93 | permission, would make you directly or secondarily liable for
 94 | infringement under applicable copyright law, except executing it on a
 95 | computer or modifying a private copy.  Propagation includes copying,
 96 | distribution (with or without modification), making available to the
 97 | public, and in some countries other activities as well.
 98 | 
 99 |   To "convey" a work means any kind of propagation that enables other
100 | parties to make or receive copies.  Mere interaction with a user through
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102 | 
103 |   An interactive user interface displays "Appropriate Legal Notices"
104 | to the extent that it includes a convenient and prominently visible
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110 | menu, a prominent item in the list meets this criterion.
111 | 
112 |   1. Source Code.
113 | 
114 |   The "source code" for a work means the preferred form of the work
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117 | 
118 |   A "Standard Interface" means an interface that either is an official
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120 | interfaces specified for a particular programming language, one that
121 | is widely used among developers working in that language.
122 | 
123 |   The "System Libraries" of an executable work include anything, other
124 | than the work as a whole, that (a) is included in the normal form of
125 | packaging a Major Component, but which is not part of that Major
126 | Component, and (b) serves only to enable use of the work with that
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134 |   The "Corresponding Source" for a work in object code form means all
135 | the source code needed to generate, install, and (for an executable
136 | work) run the object code and to modify the work, including scripts to
137 | control those activities.  However, it does not include the work's
138 | System Libraries, or general-purpose tools or generally available free
139 | programs which are used unmodified in performing those activities but
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141 | includes interface definition files associated with source files for
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144 | such as by intimate data communication or control flow between those
145 | subprograms and other parts of the work.
146 | 
147 |   The Corresponding Source need not include anything that users
148 | can regenerate automatically from other parts of the Corresponding
149 | Source.
150 | 
151 |   The Corresponding Source for a work in source code form is that
152 | same work.
153 | 
154 |   2. Basic Permissions.
155 | 
156 |   All rights granted under this License are granted for the term of
157 | copyright on the Program, and are irrevocable provided the stated
158 | conditions are met.  This License explicitly affirms your unlimited
159 | permission to run the unmodified Program.  The output from running a
160 | covered work is covered by this License only if the output, given its
161 | content, constitutes a covered work.  This License acknowledges your
162 | rights of fair use or other equivalent, as provided by copyright law.
163 | 
164 |   You may make, run and propagate covered works that you do not
165 | convey, without conditions so long as your license otherwise remains
166 | in force.  You may convey covered works to others for the sole purpose
167 | of having them make modifications exclusively for you, or provide you
168 | with facilities for running those works, provided that you comply with
169 | the terms of this License in conveying all material for which you do
170 | not control copyright.  Those thus making or running the covered works
171 | for you must do so exclusively on your behalf, under your direction
172 | and control, on terms that prohibit them from making any copies of
173 | your copyrighted material outside their relationship with you.
174 | 
175 |   Conveying under any other circumstances is permitted solely under
176 | the conditions stated below.  Sublicensing is not allowed; section 10
177 | makes it unnecessary.
178 | 
179 |   3. Protecting Users' Legal Rights From Anti-Circumvention Law.
180 | 
181 |   No covered work shall be deemed part of an effective technological
182 | measure under any applicable law fulfilling obligations under article
183 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or
184 | similar laws prohibiting or restricting circumvention of such
185 | measures.
186 | 
187 |   When you convey a covered work, you waive any legal power to forbid
188 | circumvention of technological measures to the extent such circumvention
189 | is effected by exercising rights under this License with respect to
190 | the covered work, and you disclaim any intention to limit operation or
191 | modification of the work as a means of enforcing, against the work's
192 | users, your or third parties' legal rights to forbid circumvention of
193 | technological measures.
194 | 
195 |   4. Conveying Verbatim Copies.
196 | 
197 |   You may convey verbatim copies of the Program's source code as you
198 | receive it, in any medium, provided that you conspicuously and
199 | appropriately publish on each copy an appropriate copyright notice;
200 | keep intact all notices stating that this License and any
201 | non-permissive terms added in accord with section 7 apply to the code;
202 | keep intact all notices of the absence of any warranty; and give all
203 | recipients a copy of this License along with the Program.
204 | 
205 |   You may charge any price or no price for each copy that you convey,
206 | and you may offer support or warranty protection for a fee.
207 | 
208 |   5. Conveying Modified Source Versions.
209 | 
210 |   You may convey a work based on the Program, or the modifications to
211 | produce it from the Program, in the form of source code under the
212 | terms of section 4, provided that you also meet all of these conditions:
213 | 
214 |     a) The work must carry prominent notices stating that you modified
215 |     it, and giving a relevant date.
216 | 
217 |     b) The work must carry prominent notices stating that it is
218 |     released under this License and any conditions added under section
219 |     7.  This requirement modifies the requirement in section 4 to
220 |     "keep intact all notices".
221 | 
222 |     c) You must license the entire work, as a whole, under this
223 |     License to anyone who comes into possession of a copy.  This
224 |     License will therefore apply, along with any applicable section 7
225 |     additional terms, to the whole of the work, and all its parts,
226 |     regardless of how they are packaged.  This License gives no
227 |     permission to license the work in any other way, but it does not
228 |     invalidate such permission if you have separately received it.
229 | 
230 |     d) If the work has interactive user interfaces, each must display
231 |     Appropriate Legal Notices; however, if the Program has interactive
232 |     interfaces that do not display Appropriate Legal Notices, your
233 |     work need not make them do so.
234 | 
235 |   A compilation of a covered work with other separate and independent
236 | works, which are not by their nature extensions of the covered work,
237 | and which are not combined with it such as to form a larger program,
238 | in or on a volume of a storage or distribution medium, is called an
239 | "aggregate" if the compilation and its resulting copyright are not
240 | used to limit the access or legal rights of the compilation's users
241 | beyond what the individual works permit.  Inclusion of a covered work
242 | in an aggregate does not cause this License to apply to the other
243 | parts of the aggregate.
244 | 
245 |   6. Conveying Non-Source Forms.
246 | 
247 |   You may convey a covered work in object code form under the terms
248 | of sections 4 and 5, provided that you also convey the
249 | machine-readable Corresponding Source under the terms of this License,
250 | in one of these ways:
251 | 
252 |     a) Convey the object code in, or embodied in, a physical product
253 |     (including a physical distribution medium), accompanied by the
254 |     Corresponding Source fixed on a durable physical medium
255 |     customarily used for software interchange.
256 | 
257 |     b) Convey the object code in, or embodied in, a physical product
258 |     (including a physical distribution medium), accompanied by a
259 |     written offer, valid for at least three years and valid for as
260 |     long as you offer spare parts or customer support for that product
261 |     model, to give anyone who possesses the object code either (1) a
262 |     copy of the Corresponding Source for all the software in the
263 |     product that is covered by this License, on a durable physical
264 |     medium customarily used for software interchange, for a price no
265 |     more than your reasonable cost of physically performing this
266 |     conveying of source, or (2) access to copy the
267 |     Corresponding Source from a network server at no charge.
268 | 
269 |     c) Convey individual copies of the object code with a copy of the
270 |     written offer to provide the Corresponding Source.  This
271 |     alternative is allowed only occasionally and noncommercially, and
272 |     only if you received the object code with such an offer, in accord
273 |     with subsection 6b.
274 | 
275 |     d) Convey the object code by offering access from a designated
276 |     place (gratis or for a charge), and offer equivalent access to the
277 |     Corresponding Source in the same way through the same place at no
278 |     further charge.  You need not require recipients to copy the
279 |     Corresponding Source along with the object code.  If the place to
280 |     copy the object code is a network server, the Corresponding Source
281 |     may be on a different server (operated by you or a third party)
282 |     that supports equivalent copying facilities, provided you maintain
283 |     clear directions next to the object code saying where to find the
284 |     Corresponding Source.  Regardless of what server hosts the
285 |     Corresponding Source, you remain obligated to ensure that it is
286 |     available for as long as needed to satisfy these requirements.
287 | 
288 |     e) Convey the object code using peer-to-peer transmission, provided
289 |     you inform other peers where the object code and Corresponding
290 |     Source of the work are being offered to the general public at no
291 |     charge under subsection 6d.
292 | 
293 |   A separable portion of the object code, whose source code is excluded
294 | from the Corresponding Source as a System Library, need not be
295 | included in conveying the object code work.
296 | 
297 |   A "User Product" is either (1) a "consumer product", which means any
298 | tangible personal property which is normally used for personal, family,
299 | or household purposes, or (2) anything designed or sold for incorporation
300 | into a dwelling.  In determining whether a product is a consumer product,
301 | doubtful cases shall be resolved in favor of coverage.  For a particular
302 | product received by a particular user, "normally used" refers to a
303 | typical or common use of that class of product, regardless of the status
304 | of the particular user or of the way in which the particular user
305 | actually uses, or expects or is expected to use, the product.  A product
306 | is a consumer product regardless of whether the product has substantial
307 | commercial, industrial or non-consumer uses, unless such uses represent
308 | the only significant mode of use of the product.
309 | 
310 |   "Installation Information" for a User Product means any methods,
311 | procedures, authorization keys, or other information required to install
312 | and execute modified versions of a covered work in that User Product from
313 | a modified version of its Corresponding Source.  The information must
314 | suffice to ensure that the continued functioning of the modified object
315 | code is in no case prevented or interfered with solely because
316 | modification has been made.
317 | 
318 |   If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
320 | part of a transaction in which the right of possession and use of the
321 | User Product is transferred to the recipient in perpetuity or for a
322 | fixed term (regardless of how the transaction is characterized), the
323 | Corresponding Source conveyed under this section must be accompanied
324 | by the Installation Information.  But this requirement does not apply
325 | if neither you nor any third party retains the ability to install
326 | modified object code on the User Product (for example, the work has
327 | been installed in ROM).
328 | 
329 |   The requirement to provide Installation Information does not include a
330 | requirement to continue to provide support service, warranty, or updates
331 | for a work that has been modified or installed by the recipient, or for
332 | the User Product in which it has been modified or installed.  Access to a
333 | network may be denied when the modification itself materially and
334 | adversely affects the operation of the network or violates the rules and
335 | protocols for communication across the network.
336 | 
337 |   Corresponding Source conveyed, and Installation Information provided,
338 | in accord with this section must be in a format that is publicly
339 | documented (and with an implementation available to the public in
340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 | 
343 |   7. Additional Terms.
344 | 
345 |   "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law.  If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 | 
354 |   When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it.  (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.)  You may place
358 | additional permissions on material, added by you to a covered work,
359 | for which you have or can give appropriate copyright permission.
360 | 
361 |   Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 | 
365 |     a) Disclaiming warranty or limiting liability differently from the
366 |     terms of sections 15 and 16 of this License; or
367 | 
368 |     b) Requiring preservation of specified reasonable legal notices or
369 |     author attributions in that material or in the Appropriate Legal
370 |     Notices displayed by works containing it; or
371 | 
372 |     c) Prohibiting misrepresentation of the origin of that material, or
373 |     requiring that modified versions of such material be marked in
374 |     reasonable ways as different from the original version; or
375 | 
376 |     d) Limiting the use for publicity purposes of names of licensors or
377 |     authors of the material; or
378 | 
379 |     e) Declining to grant rights under trademark law for use of some
380 |     trade names, trademarks, or service marks; or
381 | 
382 |     f) Requiring indemnification of licensors and authors of that
383 |     material by anyone who conveys the material (or modified versions of
384 |     it) with contractual assumptions of liability to the recipient, for
385 |     any liability that these contractual assumptions directly impose on
386 |     those licensors and authors.
387 | 
388 |   All other non-permissive additional terms are considered "further
389 | restrictions" within the meaning of section 10.  If the Program as you
390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
392 | restriction, you may remove that term.  If a license document contains
393 | a further restriction but permits relicensing or conveying under this
394 | License, you may add to a covered work material governed by the terms
395 | of that license document, provided that the further restriction does
396 | not survive such relicensing or conveying.
397 | 
398 |   If you add terms to a covered work in accord with this section, you
399 | must place, in the relevant source files, a statement of the
400 | additional terms that apply to those files, or a notice indicating
401 | where to find the applicable terms.
402 | 
403 |   Additional terms, permissive or non-permissive, may be stated in the
404 | form of a separately written license, or stated as exceptions;
405 | the above requirements apply either way.
406 | 
407 |   8. Termination.
408 | 
409 |   You may not propagate or modify a covered work except as expressly
410 | provided under this License.  Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 | 
415 |   However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
417 | provisionally, unless and until the copyright holder explicitly and
418 | finally terminates your license, and (b) permanently, if the copyright
419 | holder fails to notify you of the violation by some reasonable means
420 | prior to 60 days after the cessation.
421 | 
422 |   Moreover, your license from a particular copyright holder is
423 | reinstated permanently if the copyright holder notifies you of the
424 | violation by some reasonable means, this is the first time you have
425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 | 
429 |   Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
431 | this License.  If your rights have been terminated and not permanently
432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 | 
435 |   9. Acceptance Not Required for Having Copies.
436 | 
437 |   You are not required to accept this License in order to receive or
438 | run a copy of the Program.  Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance.  However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work.  These actions infringe copyright if you do
443 | not accept this License.  Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 | 
446 |   10. Automatic Licensing of Downstream Recipients.
447 | 
448 |   Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License.  You are not responsible
451 | for enforcing compliance by third parties with this License.
452 | 
453 |   An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations.  If propagation of a covered
456 | work results from an entity transaction, each party to that
457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 | 
463 |   You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License.  For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 | 
471 |   11. Patents.
472 | 
473 |   A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based.  The
475 | work thus licensed is called the contributor's "contributor version".
476 | 
477 |   A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version.  For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 | 
487 |   Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 | 
492 |   In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement).  To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 | 
499 |   If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients.  "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 | 
513 |   If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 | 
521 |   A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License.  You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 | 
536 |   Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 | 
540 |   12. No Surrender of Others' Freedom.
541 | 
542 |   If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License.  If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all.  For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 | 
552 |   13. Use with the GNU Affero General Public License.
553 | 
554 |   Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work.  The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 | 
563 |   14. Revised Versions of this License.
564 | 
565 |   The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time.  Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 | 
570 |   Each version is given a distinguishing version number.  If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation.  If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 | 
579 |   If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 | 
584 |   Later license versions may give you additional or different
585 | permissions.  However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 | 
589 |   15. Disclaimer of Warranty.
590 | 
591 |   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 | 
600 |   16. Limitation of Liability.
601 | 
602 |   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 | 
612 |   17. Interpretation of Sections 15 and 16.
613 | 
614 |   If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 | 
621 |                      END OF TERMS AND CONDITIONS
622 | 
623 |             How to Apply These Terms to Your New Programs
624 | 
625 |   If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 | 
629 |   To do so, attach the following notices to the program.  It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 | 
634 |     <one line to give the program's name and a brief idea of what it does.>
635 |     Copyright (C) <year>  <name of author>
636 | 
637 |     This program is free software: you can redistribute it and/or modify
638 |     it under the terms of the GNU General Public License as published by
639 |     the Free Software Foundation, either version 3 of the License, or
640 |     (at your option) any later version.
641 | 
642 |     This program is distributed in the hope that it will be useful,
643 |     but WITHOUT ANY WARRANTY; without even the implied warranty of
644 |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645 |     GNU General Public License for more details.
646 | 
647 |     You should have received a copy of the GNU General Public License
648 |     along with this program.  If not, see <https://www.gnu.org/licenses/>.
649 | 
650 | Also add information on how to contact you by electronic and paper mail.
651 | 
652 |   If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 | 
655 |     <program>  Copyright (C) <year>  <name of author>
656 |     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 |     This is free software, and you are welcome to redistribute it
658 |     under certain conditions; type `show c' for details.
659 | 
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License.  Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 | 
664 |   You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | <https://www.gnu.org/licenses/>.
668 | 
669 |   The GNU General Public License does not permit incorporating your program
670 | into proprietary programs.  If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library.  If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License.  But first, please read
674 | <https://www.gnu.org/licenses/why-not-lgpl.html>.
675 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # IPv6-Place-v2
 2 | 
 3 | A re-implementation of ziad87's awesome "Place: IPv6" site.
 4 | 
 5 | Difference to the original is, that this only needs a /64-IPv6 block instead of a /48 one. Everything is pushed one segment back and GG+BB share the last segment now (for the full impl, look for the function "from_addr" in `src/ping_receiver.rs`).
 6 | 
 7 | ![Screenshot](https://transfer.cosmos-ink.net/hHufof4KOC/grafik.png)
 8 | 
 9 | ## Backend
10 | 
11 | Receives Pings to any prefix on the interface it was told to listen on and draws pixels on the canvas accordingly.
12 | 
13 | The canvas is available to be requested at `/canvas.png` or via the Websocket (`/ws`).
14 | 
15 | ### Websocket
16 | 
17 | The Websocket is the main method used to interact with the webserver.
18 | 
19 | When connecting to the Websocket, by default it will not send you any data and just stay open. Currently the websocket accepts these 3 commands, which are parsed as `WsRequest` in `src/main.rs`:
20 | 
21 | - `{ "request": "get_full_canvas_once" }`: Return a binary message once containing the full canvas (RGB-png file)
22 | - `{ "request": "delta_canvas_stream", "enabled": <bool> }`: Turn on receiving delta frames (binary messages) when pings are received (off by default, RGBA-png files)
23 | - `{ "request": "pps_updates", "enabled": <bool> }`: Turn on receiving pps updates every second (text message like this: `{ "message": "pps_update", "pps" <number> }`)
24 | - `{ "request": "get_ws_count_update_once" }`: Receive a WS Count Update once (text message like this: `{ "message": "ws_count_update", "ws_connections" <number> }`)
25 | - `{ "request": "ws_count_updates", "enabled": <bool> }`: Enable receiving ws count updates when it changes. Messages will look the same as for `get_ws_count_update_once`
26 | - `{ "request": "get_nudity_update_once" }`: Receive a Nudity Update once (text message like this: `{ "message": "nudity_update", "is_nude" <bool> }`)
27 | - `{ "request": "nudity_updates", "enabled": <bool> }`: Enable receiving nudity updates when it changes. Messages will look the same as for `get_nudity_update_once`
28 | 
29 | ## Frontend
30 | 
31 | Any non-declared routes (currently `/ws` and `/canvas.png`) will be served from the `static/` folder. So the frontend lives here and can be implemented with any means necessary so long as it uses the websocket to receive data.
32 | 
33 | Currently the default route (`/` aka `/index.html`) will serve the default frontend for this server as shown in the screenshot above.
34 | 
35 | [Sudo-null7](https://github.com/Sudo-null7) also contributed a variant/theme that looks more like [the old interface that ziad87 used](https://i.xevion.dev/2023/03/firefox_UMf1xj8hrL.png) in the end. It can be shown by navigating to `/ziad` (aka `/ziad/index.html`).
36 | 
37 | ## Hosted site
38 | 
39 | This server is currently hosted at this address: <http://[2a01:4f8:c012:f8e6::1]/>
40 | 
41 | Not everyone has native IPv6 support at home though sadly. So there are a number of proxies that show the site (mostly using Cloudflares webproxy):
42 | 
43 | - <https://ek98.casper.wf> (hosted by someone taking part in the old version of ziad87)
44 | - <https://v6.ssi.fyi/> (hosted by a member of the SSI discord)
45 | - <https://ssi.place> (hosted by me, EnderKill98)
46 | 
47 | (I've kept the owners vague here just to be sure. Feel free to DM me and I'll add any full reference as you like).
48 | 
49 | ### Getting started
50 | 
51 | To get started, you can experiment pinging the mentioned IPv6 with e.g. the `ping` tool of your OS like this: `ping 2a01:4f8:c012:f8e6:200a:a:ff:0000` (should make a red 2x2 pixel appear at x: 10, y: 10). The format and usage are displayed on the site itself.
52 | 
53 | There are many libraries for languages to speed up pinging in different ways. A fun challenge is to try an image onto the canvas using pings. Videos are certainly also possible with a powerful server.
54 | 
55 | It is generally recommended to use a VPS or other kind of server to run pingers that are any faster than about a dozen pings / sec because most ISPs filter more pings heavily. The current server has been observed to be able to a bit over 630k pings/sec, but doing such massive ping floods could make your ISP believe that you try to DOS someone. So ping very fast at your own risk (you could receive abuse complains from e.g. your hoster for it). So far no abuse complaint has been received on the hosting site for now, but please do not use your productively used instance if you're not sure.
56 | 
57 | ## What is possible
58 | 
59 | When making a client pretty efficient, playing video like this (depending on the implementation and tuning even cleaner) is possible:
60 | 
61 | <https://github.com/serverscanning/place-ipv6-server/assets/117233381/8934f101-95f6-488f-9715-fd4a7866cfb5>
62 | 
63 | ## TODO
64 | 
65 | - [ ] Add more helpful links?
66 | - [ ] Add example on how to easily self-host this locally
67 | 


--------------------------------------------------------------------------------
/src/canvas.rs:
--------------------------------------------------------------------------------
  1 | //! Canvas State struct and update/subscribe logic as well as encoding the canvas to a PNG binary.
  2 | 
  3 | use std::{
  4 |     io::Cursor,
  5 |     sync::{
  6 |         atomic::{AtomicUsize, Ordering},
  7 |         Arc,
  8 |     },
  9 | };
 10 | 
 11 | use color_eyre::{eyre::ensure, Result};
 12 | use image::{codecs::png::PngEncoder, DynamicImage, GenericImageView, ImageEncoder};
 13 | use serde::Serialize;
 14 | use tokio::sync::{
 15 |     broadcast::{Receiver, Sender},
 16 |     RwLock, RwLockReadGuard,
 17 | };
 18 | 
 19 | #[derive(Serialize, Clone)]
 20 | pub struct PpsInfo {
 21 |     /// Total
 22 |     pub pps: usize,
 23 |     #[cfg(feature = "per_user_pps")]
 24 |     pub per_user_pps: fxhash::FxHashMap<u64, usize>,
 25 | }
 26 | 
 27 | #[derive(Copy, Clone)]
 28 | pub struct NudityResult {
 29 |     pub is_nude: bool,
 30 | }
 31 | 
 32 | pub struct CanvasState {
 33 |     /// Base64 of png, starting with "data:image/png;base64," to denote this
 34 |     encoded_full_canvas: RwLock<EncodedCanvas>,
 35 |     encoded_delta_canvas: RwLock<EncodedCanvas>,
 36 |     pps_publisher: Sender<PpsInfo>,
 37 |     ws_connection_count: Arc<AtomicUsize>,
 38 |     ws_connection_count_publisher: Sender<usize>,
 39 |     nudity_result: RwLock<NudityResult>,
 40 |     nudity_result_publisher: Sender<NudityResult>,
 41 | }
 42 | 
 43 | impl CanvasState {
 44 |     pub async fn read_encoded_full_canvas(&self) -> RwLockReadGuard<EncodedCanvas> {
 45 |         self.encoded_full_canvas.read().await
 46 |     }
 47 | 
 48 |     pub async fn read_encoded_delta_canvas(&self) -> RwLockReadGuard<EncodedCanvas> {
 49 |         self.encoded_delta_canvas.read().await
 50 |     }
 51 | 
 52 |     pub fn blocking_update_full_canvas(&self, canvas: &DynamicImage) -> Result<()> {
 53 |         ensure!(
 54 |             canvas.as_rgb8().is_some(),
 55 |             "Full canvas is expected to have no alpha layer!"
 56 |         );
 57 |         self.encoded_full_canvas.blocking_write().update(canvas)
 58 |     }
 59 | 
 60 |     pub fn blocking_update_delta_canvas(&self, canvas: &DynamicImage) -> Result<()> {
 61 |         ensure!(
 62 |             canvas.as_rgba8().is_some(),
 63 |             "Delta canvas is expected to have an alpha layer!"
 64 |         );
 65 |         self.encoded_delta_canvas.blocking_write().update(canvas)
 66 |     }
 67 | 
 68 |     pub fn update_pps(&self, pps: PpsInfo) {
 69 |         self.pps_publisher.send(pps).ok();
 70 |     }
 71 | 
 72 |     pub fn subscribe_to_pps(&self) -> Receiver<PpsInfo> {
 73 |         self.pps_publisher.subscribe()
 74 |     }
 75 | 
 76 |     pub fn track_new_websocket(&self) -> WsConnectionCountTracker {
 77 |         WsConnectionCountTracker::new(
 78 |             self.ws_connection_count.clone(),
 79 |             self.ws_connection_count_publisher.clone(),
 80 |         )
 81 |     }
 82 | 
 83 |     pub fn subscribe_to_websocket_count(&self) -> Receiver<usize> {
 84 |         self.ws_connection_count_publisher.subscribe()
 85 |     }
 86 | 
 87 |     pub fn websocket_count(&self) -> usize {
 88 |         self.ws_connection_count.load(Ordering::Relaxed)
 89 |     }
 90 | 
 91 |     pub fn subscribe_to_nudity_results(&self) -> Receiver<NudityResult> {
 92 |         self.nudity_result_publisher.subscribe()
 93 |     }
 94 | 
 95 |     pub async fn nudity_result(&self) -> NudityResult {
 96 |         self.nudity_result.read().await.clone()
 97 |     }
 98 | 
 99 |     pub fn blocking_update_nudity_result(&self, new_nudity_result: NudityResult) {
100 |         *self.nudity_result.blocking_write() = new_nudity_result;
101 |         self.nudity_result_publisher.send(new_nudity_result).ok();
102 |     }
103 | }
104 | 
105 | pub(crate) const CANVASW: u16 = 512;
106 | pub(crate) const CANVASH: u16 = 512;
107 | 
108 | impl Default for CanvasState {
109 |     fn default() -> Self {
110 |         Self {
111 |             encoded_full_canvas: RwLock::new(
112 |                 EncodedCanvas::new(&DynamicImage::new_rgb8(CANVASW.into(), CANVASH.into()))
113 |                     .unwrap(),
114 |             ),
115 |             encoded_delta_canvas: RwLock::new(
116 |                 EncodedCanvas::new(&DynamicImage::new_rgba8(CANVASW.into(), CANVASH.into()))
117 |                     .unwrap(),
118 |             ),
119 |             pps_publisher: tokio::sync::broadcast::channel(64).0,
120 |             ws_connection_count: Arc::new(AtomicUsize::new(0)),
121 |             ws_connection_count_publisher: tokio::sync::broadcast::channel(64).0,
122 |             nudity_result: RwLock::new(NudityResult { is_nude: false }),
123 |             nudity_result_publisher: tokio::sync::broadcast::channel(64).0,
124 |         }
125 |     }
126 | }
127 | 
128 | /// Used to track how many websocket connections are active
129 | pub struct WsConnectionCountTracker {
130 |     count: Arc<AtomicUsize>,
131 |     publisher: Sender<usize>,
132 | }
133 | 
134 | impl WsConnectionCountTracker {
135 |     fn new(count: Arc<AtomicUsize>, publisher: Sender<usize>) -> Self {
136 |         let last_val = count.fetch_add(1, Ordering::Relaxed);
137 |         publisher.send(last_val + 1).ok();
138 |         Self { count, publisher }
139 |     }
140 | }
141 | 
142 | impl Drop for WsConnectionCountTracker {
143 |     fn drop(&mut self) {
144 |         let last_val = self.count.fetch_sub(1, Ordering::Relaxed);
145 |         self.publisher.send(last_val - 1).ok();
146 |     }
147 | }
148 | 
149 | #[derive(Clone)]
150 | pub struct EncodedCanvas {
151 |     encoded: Vec<u8>,
152 |     publisher: Sender<Vec<u8>>,
153 | }
154 | 
155 | impl EncodedCanvas {
156 |     fn encode(canvas: &DynamicImage) -> Result<Vec<u8>> {
157 |         ensure!(
158 |             canvas.width() == CANVASW as u32 && canvas.height() == CANVASH as u32,
159 |             "Canvas has correct dimensions"
160 |         );
161 | 
162 |         // Encode as png into the writer
163 |         let mut png_writer = Cursor::new(Vec::with_capacity(1024 * 64));
164 |         let (width, height) = canvas.dimensions();
165 |         PngEncoder::new_with_quality(
166 |             &mut png_writer,
167 |             image::codecs::png::CompressionType::Fast,
168 |             image::codecs::png::FilterType::default(),
169 |         )
170 |         .write_image(canvas.as_bytes(), width, height, canvas.color())?;
171 |         Ok(png_writer.into_inner())
172 |     }
173 | 
174 |     pub fn new(canvas: &DynamicImage) -> Result<Self> {
175 |         Ok(Self {
176 |             encoded: Self::encode(canvas)?,
177 |             publisher: tokio::sync::broadcast::channel(64).0,
178 |         })
179 |     }
180 | 
181 |     pub fn update(&mut self, canvas: &DynamicImage) -> Result<()> {
182 |         let encoded = Self::encode(canvas)?;
183 |         self.encoded = encoded.clone();
184 |         self.publisher.send(encoded).ok();
185 |         Ok(())
186 |     }
187 | 
188 |     pub fn subscribe(&self) -> Receiver<Vec<u8>> {
189 |         self.publisher.subscribe()
190 |     }
191 | 
192 |     pub fn get_encoded(&self) -> Vec<u8> {
193 |         self.encoded.clone()
194 |     }
195 | }
196 | 


--------------------------------------------------------------------------------
/src/canvas_processor.rs:
--------------------------------------------------------------------------------
  1 | //! Maintains the canvas state and receives Pixel Updates
  2 | //! (information extracted from valid Ping Dest IPv6 Addresses)
  3 | //! which update this state.
  4 | //! Als sends updates in specified interval to all subscribers.
  5 | 
  6 | use color_eyre::Result;
  7 | use crossbeam_channel::Receiver;
  8 | use image::{DynamicImage, Rgb, Rgba};
  9 | use std::{
 10 |     net::Ipv6Addr,
 11 |     sync::Arc,
 12 |     time::{Duration, Instant},
 13 | };
 14 | 
 15 | use crate::canvas::{NudityResult, CANVASW};
 16 | use crate::canvas::{PpsInfo, CANVASH};
 17 | use crate::{canvas::CanvasState, ping_listener::IpInfo};
 18 | 
 19 | #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 20 | #[repr(u8)]
 21 | pub enum Size {
 22 |     SinglePixel = 1,
 23 |     Area2x2 = 2,
 24 | }
 25 | 
 26 | #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 27 | pub struct Pos {
 28 |     pub x: u16,
 29 |     pub y: u16,
 30 | }
 31 | 
 32 | #[derive(Debug)]
 33 | pub struct PixelInfo {
 34 |     pub source: Ipv6Addr,
 35 |     pub pos: Pos,
 36 |     pub color: Rgb<u8>,
 37 |     pub size: Size,
 38 | }
 39 | 
 40 | impl PixelInfo {
 41 |     pub fn from_ip_info(ip_info: IpInfo) -> Option<PixelInfo> {
 42 |         let segments = ip_info.dest_ip.segments();
 43 |         let size = (segments[4] & 0xf000) >> 12;
 44 |         let x = segments[4] & 0x0fff;
 45 |         let y = segments[5] & 0xffff;
 46 |         let red = (segments[6] & 0x00ff) as u8;
 47 |         let green = ((segments[7] & 0xff00) >> 8) as u8;
 48 |         let blue = (segments[7] & 0x00ff) as u8;
 49 | 
 50 |         let size = match size {
 51 |             1 => Size::SinglePixel,
 52 |             2 => Size::Area2x2,
 53 |             _ => return None,
 54 |         };
 55 |         if x >= CANVASW || y >= CANVASH {
 56 |             return None;
 57 |         }
 58 |         Some(PixelInfo {
 59 |             source: ip_info.src_ip,
 60 |             pos: Pos { x, y },
 61 |             color: Rgb([red, green, blue]),
 62 |             size,
 63 |         })
 64 |     }
 65 | }
 66 | 
 67 | /// Get adjusted PPS value which takes lag and other irregularities into account
 68 | fn adjust_pps(elapsed_since_pps_counter_reset: Duration, pps_counter: usize) -> usize {
 69 |     ((pps_counter as u64 * 1_000_000) / elapsed_since_pps_counter_reset.as_micros() as u64) as usize
 70 | }
 71 | 
 72 | pub fn run_canvas_processor(
 73 |     pixel_receiver: Receiver<PixelInfo>,
 74 |     canvas_state: Arc<CanvasState>,
 75 |     update_interval: Duration,
 76 |     nudity_scan_interval: u16,
 77 | ) -> Result<()> {
 78 |     let mut canvas = DynamicImage::ImageRgb8(image::RgbImage::from_pixel(
 79 |         CANVASW.into(),
 80 |         CANVASH.into(),
 81 |         Rgb([0xFF; 3]),
 82 |     ));
 83 |     canvas_state.blocking_update_full_canvas(&canvas)?;
 84 |     let mut delta_canvas = DynamicImage::new_rgba8(CANVASW.into(), CANVASH.into());
 85 | 
 86 |     let (nudity_image_sender, nudity_image_receiver) = crossbeam_channel::bounded(1);
 87 |     if nudity_scan_interval > 0 {
 88 |         // Start extra thread to check for nudity async (would lag the fps otherwise)
 89 |         let canvas_state_clone = canvas_state.clone();
 90 |         std::thread::Builder::new()
 91 |             .name("Nudity-Checker".to_owned())
 92 |             .spawn(move || {
 93 |                 if let Err(err) = run_nudity_checker(nudity_image_receiver, canvas_state_clone) {
 94 |                     error!("Nudity-Checker crashed: {err:#}");
 95 |                 }
 96 |             })?;
 97 |     }
 98 | 
 99 |     info!("Started. Listening for Pixel updates to update and encode canvas...");
100 | 
101 |     let mut pending_update = false;
102 | 
103 |     let mut pps_counter_reset_at = Instant::now();
104 |     let mut pps_counter: usize = 0;
105 |     #[cfg(feature = "per_user_pps")]
106 |     let mut per_user_pps_last_cleaned = Instant::now();
107 | 
108 |     let mut nudity_interval_counter: u64 = 0;
109 |     let mut nudity_image_changed_since_last_scan = false;
110 |     for tick in crossbeam_channel::tick(update_interval) {
111 |         let now = tick;
112 | 
113 |         #[cfg(feature = "per_user_pps")]
114 |         let (mut pps_users, mut pps_next_user_id, pps_per_user_is_disabled) = {
115 |             let mut pps_users = crate::per_user_pps::PPS_USERS.lock().unwrap();
116 |             if now - per_user_pps_last_cleaned > Duration::from_secs(60) {
117 |                 crate::per_user_pps::cleanup(&mut pps_users, now);
118 |                 per_user_pps_last_cleaned = now;
119 |             }
120 |             let pps_next_user_id = crate::per_user_pps::PPS_NEXT_USER_ID.lock().unwrap();
121 |             let mut pps_disabled_until = crate::per_user_pps::PPS_USERS_DISABLED_UNTIIL
122 |                 .lock()
123 |                 .unwrap();
124 |             let pps_per_user_is_disabled =
125 |                 crate::per_user_pps::is_disabled(&mut pps_users, &mut pps_disabled_until, now);
126 |             (pps_users, pps_next_user_id, pps_per_user_is_disabled)
127 |         };
128 | 
129 |         let elapsed_since_pps_counter_reset = now - pps_counter_reset_at;
130 |         if elapsed_since_pps_counter_reset >= Duration::from_secs(1) {
131 |             // Should be accurate but counting total packets with it won't be possible anymore accurately
132 |             let pps_adjusted = adjust_pps(elapsed_since_pps_counter_reset, pps_counter);
133 |             pps_counter_reset_at = now;
134 |             #[cfg(feature = "per_user_pps")]
135 |             let per_user_pps = {
136 |                 let map = crate::per_user_pps::get_all_pps_counters_and_reset(&mut pps_users);
137 |                 let mut per_user_pps = fxhash::FxHashMap::with_capacity_and_hasher(
138 |                     map.len(),
139 |                     fxhash::FxBuildHasher::default(),
140 |                 );
141 |                 for (user, pps) in map {
142 |                     per_user_pps.insert(user.id, adjust_pps(elapsed_since_pps_counter_reset, pps));
143 |                 }
144 |                 per_user_pps
145 |             };
146 |             let pps_info = PpsInfo {
147 |                 pps: pps_adjusted,
148 |                 #[cfg(feature = "per_user_pps")]
149 |                 per_user_pps,
150 |             };
151 |             canvas_state.update_pps(pps_info);
152 |             pps_counter = 0;
153 |         }
154 | 
155 |         for pixel_info in pixel_receiver.try_iter() {
156 |             pps_counter += 1;
157 |             #[cfg(feature = "per_user_pps")]
158 |             {
159 |                 if !pps_per_user_is_disabled {
160 |                     crate::per_user_pps::ensure_existing_activity_updated_and_migrated(
161 |                         &mut pps_users,
162 |                         &mut pps_next_user_id,
163 |                         now,
164 |                         pixel_info.source,
165 |                     );
166 |                     if let Some(user_info) = crate::per_user_pps::find_user_info_data_mut(
167 |                         &mut pps_users,
168 |                         pixel_info.source,
169 |                     ) {
170 |                         user_info.pps_counter += 1;
171 |                     }
172 |                 }
173 |             }
174 | 
175 |             for x_offset in 0..(pixel_info.size as u16) {
176 |                 let x = pixel_info.pos.x + x_offset;
177 |                 if x >= CANVASW {
178 |                     break;
179 |                 }
180 |                 for y_offset in 0..(pixel_info.size as u16) {
181 |                     let y = pixel_info.pos.y + y_offset;
182 |                     if y >= CANVASH {
183 |                         break;
184 |                     }
185 | 
186 |                     canvas
187 |                         .as_mut_rgb8()
188 |                         .unwrap()
189 |                         .put_pixel(x as u32, y as u32, pixel_info.color);
190 |                     delta_canvas.as_mut_rgba8().unwrap().put_pixel(
191 |                         x as u32,
192 |                         y as u32,
193 |                         Rgba([
194 |                             pixel_info.color.0[0],
195 |                             pixel_info.color.0[1],
196 |                             pixel_info.color.0[2],
197 |                             0xFF,
198 |                         ]),
199 |                     );
200 |                 }
201 |             }
202 |             pending_update = true;
203 |         }
204 | 
205 |         if pending_update {
206 |             nudity_image_changed_since_last_scan = true;
207 |         }
208 | 
209 |         if nudity_scan_interval > 0 {
210 |             nudity_interval_counter += 1;
211 |             if nudity_interval_counter >= nudity_scan_interval as u64
212 |                 && nudity_image_changed_since_last_scan
213 |             {
214 |                 if let Ok(_) = nudity_image_sender.send(canvas.clone()) {
215 |                     nudity_interval_counter = 0;
216 |                     nudity_image_changed_since_last_scan = false;
217 |                 }
218 |             }
219 |         }
220 | 
221 |         if pending_update {
222 |             //let start = Instant::now();
223 |             canvas_state.blocking_update_full_canvas(&canvas)?;
224 |             canvas_state.blocking_update_delta_canvas(&delta_canvas)?;
225 |             delta_canvas = DynamicImage::new_rgba8(CANVASW.into(), CANVASH.into());
226 |             //debug!("Encoded and updated canvas in {:?}.", start.elapsed());
227 |             pending_update = false;
228 |         }
229 |     }
230 |     Err(color_eyre::eyre::eyre!(
231 |         "The canvas frame loop ended unexpectedly (it should never end)!"
232 |     ))
233 | }
234 | 
235 | pub fn run_nudity_checker(
236 |     image_receiver: Receiver<DynamicImage>,
237 |     canvas_state: Arc<CanvasState>,
238 | ) -> Result<()> {
239 |     let mut nudity_last_result_is_nude = false;
240 | 
241 |     while let Ok(image) = image_receiver.recv() {
242 |         let analysis = nude::scan(&image).analyse();
243 |         if analysis.nude != nudity_last_result_is_nude {
244 |             canvas_state.blocking_update_nudity_result(NudityResult {
245 |                 is_nude: analysis.nude,
246 |             });
247 |             nudity_last_result_is_nude = analysis.nude;
248 |         }
249 |     }
250 |     Err(color_eyre::eyre::eyre!(
251 |         "The nudity checker failed to get an image!"
252 |     ))
253 | }
254 | 


--------------------------------------------------------------------------------
/src/cli_args.rs:
--------------------------------------------------------------------------------
 1 | //! Defines CLI Arguments, help texts, etc.
 2 | 
 3 | use clap::Parser;
 4 | use ipnet::IpNet;
 5 | 
 6 | fn max_canvas_fps_range(s: &str) -> Result<u16, String> {
 7 |     clap_num::number_range(s, 1, 1000)
 8 | }
 9 | 
10 | /// Listen for IPv6 pings and use them to draw on a canvas available on a webserver.
11 | #[derive(Parser)]
12 | #[command(author, version, about, long_about = None)]
13 | pub struct CliArgs {
14 |     /// Name of the interface on which to sniff on for pings
15 |     pub interface: String,
16 | 
17 |     /// How often the canvas is allowed to update per second max.
18 |     #[arg(short = 'f', long, value_parser=max_canvas_fps_range, default_value = "10")]
19 |     pub max_canvas_fps: u16,
20 | 
21 |     /// Require valid imcpv6 ping checksums in oder to accept pixel updates.
22 |     #[arg(short, long, action)]
23 |     pub require_valid_checksum: bool,
24 | 
25 |     /// What address the webserver should bind to
26 |     #[arg(short, long, default_value = "::")]
27 |     pub bind: String,
28 | 
29 |     /// What port the webserver should bind to
30 |     #[arg(short, long, default_value = "8080")]
31 |     pub port: u16,
32 | 
33 |     /// The first 4 segments to be displayed in frontends for the user. Example: "aaaa:bbbb:cccc:dddd"
34 |     #[arg(short = 'P', long)]
35 |     pub public_prefix: Option<String>,
36 | 
37 |     /// Allow different IPs in header specified if connecting from these ranges
38 |     #[arg(long, default_value = "127.0.0.1/8,::1/128", value_delimiter = ',')]
39 |     pub trusted_proxy_ranges: Vec<IpNet>,
40 | 
41 |     /// How often to scan for nudes (every N frames). 0 disables the check.
42 |     #[arg(short, long, default_value = "10")]
43 |     pub nude_scan_interval: u16,
44 | }
45 | 


--------------------------------------------------------------------------------
/src/main.rs:
--------------------------------------------------------------------------------
  1 | //! Main method (obviously), most of webserver routes and kicking off other threads.
  2 | 
  3 | mod canvas;
  4 | mod canvas_processor;
  5 | mod cli_args;
  6 | #[cfg(feature = "per_user_pps")]
  7 | mod per_user_pps;
  8 | mod ping_listener;
  9 | mod websocket_handler;
 10 | 
 11 | use crate::canvas::CANVASH;
 12 | use crate::canvas::CANVASW;
 13 | use axum::extract::ConnectInfo;
 14 | use axum::http::HeaderMap;
 15 | use axum::{
 16 |     extract::{Query, State},
 17 |     http::header,
 18 |     response::{AppendHeaders, IntoResponse},
 19 |     routing::get,
 20 |     Json, Router,
 21 | };
 22 | use canvas::CanvasState;
 23 | use clap::Parser;
 24 | use cli_args::CliArgs;
 25 | use color_eyre::{eyre::Context, Result};
 26 | use ipnet::IpNet;
 27 | use serde::{Deserialize, Serialize};
 28 | use std::net::Ipv6Addr;
 29 | use std::{
 30 |     net::{IpAddr, SocketAddr},
 31 |     str::FromStr,
 32 |     sync::{Arc, Mutex},
 33 |     time::Duration,
 34 | };
 35 | use tower_http::{
 36 |     services::ServeDir,
 37 |     trace::{DefaultMakeSpan, DefaultOnFailure, TraceLayer},
 38 | };
 39 | 
 40 | #[macro_use]
 41 | extern crate tracing;
 42 | 
 43 | #[derive(Serialize, Clone)]
 44 | struct ServerConfig {
 45 |     public_prefix: Option<String>,
 46 |     width: u16,
 47 |     height: u16,
 48 |     built_with_per_user_pps_support: bool,
 49 |     #[serde(skip)]
 50 |     trusted_proxy_ranges: Vec<IpNet>,
 51 |     #[serde(skip)]
 52 |     trusted_cloudflare_ranges: Vec<IpNet>,
 53 | }
 54 | 
 55 | static SERVER_CONFIG: Mutex<ServerConfig> = Mutex::new(ServerConfig {
 56 |     public_prefix: None,
 57 |     height: CANVASH,
 58 |     width: CANVASW,
 59 |     built_with_per_user_pps_support: if cfg!(feature = "per_user_pps") {
 60 |         true
 61 |     } else {
 62 |         false
 63 |     },
 64 |     trusted_proxy_ranges: vec![],
 65 |     trusted_cloudflare_ranges: vec![],
 66 | });
 67 | 
 68 | #[tokio::main]
 69 | async fn main() -> Result<()> {
 70 |     let args = CliArgs::parse();
 71 | 
 72 |     if std::env::var("RUST_LOG").is_err() {
 73 |         // Set default logging level if none specified using the environment variable "RUST_LOG"
 74 |         std::env::set_var("RUST_LOG", "debug,hyper=info,nude=off")
 75 |     }
 76 |     tracing_subscriber::fmt::init();
 77 | 
 78 |     let canvas_state = Arc::new(CanvasState::default());
 79 |     let canvas_state_clone = canvas_state.clone();
 80 |     let (pixel_sender, pixel_receiver) = crossbeam_channel::unbounded();
 81 |     std::thread::Builder::new()
 82 |         .name("Ping-Listener".to_owned())
 83 |         .spawn(move || {
 84 |             if let Err(err) = ping_listener::run_ping_listener(
 85 |                 &args.interface,
 86 |                 args.require_valid_checksum,
 87 |                 pixel_sender,
 88 |             ) {
 89 |                 error!("Ping-Listener crashed: {err:#}\nIf this error is permission related either run this program as root/admin or, on linux, give it the capability CAP_NET_RAW (e.g. \"sudo setcap CAP_NET_RAW+ep ./path/to/binary\").");
 90 |                 std::process::exit(1);
 91 |             }
 92 |         })?;
 93 |     std::thread::Builder::new()
 94 |         .name("Canvas-Processor".to_owned())
 95 |         .spawn(move || {
 96 |             if let Err(err) = canvas_processor::run_canvas_processor(
 97 |                 pixel_receiver,
 98 |                 canvas_state_clone,
 99 |                 Duration::from_nanos(1_000_000_000 / args.max_canvas_fps as u64),
100 |                 args.nude_scan_interval,
101 |             ) {
102 |                 error!("Canvas-Processor crashed: {err:#}");
103 |                 std::process::exit(1);
104 |             }
105 |         })?;
106 | 
107 |     SERVER_CONFIG.lock().unwrap().public_prefix = args.public_prefix.clone();
108 |     SERVER_CONFIG.lock().unwrap().trusted_proxy_ranges = args.trusted_proxy_ranges.clone();
109 |     // TODO: Add automated way to retreives these ranges. Otherwise this will break at some point or be come a security hole!
110 |     SERVER_CONFIG.lock().unwrap().trusted_cloudflare_ranges = vec![
111 |         // https://www.cloudflare.com/ips-v6
112 |         IpNet::from_str("2400:cb00::/32").unwrap(),
113 |         IpNet::from_str("2606:4700::/32").unwrap(),
114 |         IpNet::from_str("2803:f800::/32").unwrap(),
115 |         IpNet::from_str("2405:b500::/32").unwrap(),
116 |         IpNet::from_str("2405:8100::/32").unwrap(),
117 |         IpNet::from_str("2a06:98c0::/29").unwrap(),
118 |         IpNet::from_str("2c0f:f248::/32").unwrap(),
119 |         // https://www.cloudflare.com/ips-v4
120 |         IpNet::from_str("173.245.48.0/20").unwrap(),
121 |         IpNet::from_str("103.21.244.0/22").unwrap(),
122 |         IpNet::from_str("103.22.200.0/22").unwrap(),
123 |         IpNet::from_str("103.31.4.0/22").unwrap(),
124 |         IpNet::from_str("141.101.64.0/18").unwrap(),
125 |         IpNet::from_str("108.162.192.0/18").unwrap(),
126 |         IpNet::from_str("190.93.240.0/20").unwrap(),
127 |         IpNet::from_str("188.114.96.0/20").unwrap(),
128 |         IpNet::from_str("197.234.240.0/22").unwrap(),
129 |         IpNet::from_str("198.41.128.0/17").unwrap(),
130 |         IpNet::from_str("162.158.0.0/15").unwrap(),
131 |         IpNet::from_str("104.16.0.0/13").unwrap(),
132 |         IpNet::from_str("104.24.0.0/14").unwrap(),
133 |         IpNet::from_str("172.64.0.0/13").unwrap(),
134 |         IpNet::from_str("131.0.72.0/22").unwrap(),
135 |     ];
136 | 
137 |     let app = Router::new()
138 |         .route("/ws", get(websocket_handler::get_ws))
139 |         .route("/canvas.png", get(get_canvas))
140 |         .route("/serverconfig.json", get(get_server_config))
141 |         .route("/my_user_id", get(get_my_user_id))
142 |         .fallback_service(ServeDir::new("./static"))
143 |         .with_state(canvas_state)
144 |         .layer(
145 |             TraceLayer::new_for_http()
146 |                 .make_span_with(DefaultMakeSpan::new())
147 |                 .on_failure(DefaultOnFailure::new()),
148 |         );
149 |     let webserver_addr = SocketAddr::new(
150 |         IpAddr::from_str(&args.bind).context("Parsing ip to bind webserver to")?,
151 |         args.port,
152 |     );
153 | 
154 |     info!(
155 |         "Will trust proxies from these Ranges (in addition to CloudFlare's) to not lie about the source ip: {:?}",
156 |         args.trusted_proxy_ranges
157 |     );
158 | 
159 |     info!(
160 |         "Starting webserver on {} port {} for {}x{} canvas...",
161 |         webserver_addr.ip(),
162 |         webserver_addr.port(),
163 |         CANVASW,
164 |         CANVASH
165 |     );
166 | 
167 |     axum::Server::bind(&webserver_addr)
168 |         .serve(app.into_make_service_with_connect_info::<SocketAddr>())
169 |         .await?;
170 |     Ok(())
171 | }
172 | 
173 | #[derive(Deserialize)]
174 | struct CanvasQueryParams {
175 |     #[serde(default)]
176 |     allow_cache: bool,
177 | }
178 | 
179 | async fn get_canvas(
180 |     State(canvas_state): State<Arc<CanvasState>>,
181 |     Query(params): Query<CanvasQueryParams>,
182 | ) -> impl IntoResponse {
183 |     let mut headers = vec![(header::CONTENT_TYPE, "image/png")];
184 |     if !params.allow_cache {
185 |         headers.push((header::CACHE_CONTROL, "no-store"));
186 |     }
187 |     (
188 |         AppendHeaders(headers),
189 |         canvas_state.read_encoded_full_canvas().await.get_encoded(),
190 |     )
191 | }
192 | 
193 | async fn get_server_config() -> Json<ServerConfig> {
194 |     Json(SERVER_CONFIG.lock().unwrap().clone())
195 | }
196 | 
197 | #[derive(Serialize)]
198 | #[serde(untagged)]
199 | enum MyUserIdResponse {
200 |     #[cfg(feature = "per_user_pps")]
201 |     Success {
202 |         ip: Ipv6Addr,
203 |         user_id: u64,
204 |     },
205 |     Error {
206 |         error: String,
207 |     },
208 |     #[cfg_attr(not(feature = "per_user_pps"), allow(unused))]
209 |     ErrorWithIp {
210 |         ip: Ipv6Addr,
211 |         error: String,
212 |     },
213 | }
214 | 
215 | #[cfg_attr(not(feature = "per_user_pps"), allow(unused_variables))]
216 | async fn get_my_user_id(
217 |     ConnectInfo(addr): ConnectInfo<SocketAddr>,
218 |     headers: HeaderMap,
219 | ) -> Json<MyUserIdResponse> {
220 |     // TODO: Support cloudflare headers (to not require querying the raw addr each time)
221 |     // TODO: Return proper status code for errors. Doesn't work with conditional compilation and using (Json<...>, StatusCode) for some reason!
222 | 
223 |     #[cfg(not(feature = "per_user_pps"))]
224 |     return Json(MyUserIdResponse::Error {
225 |         error: String::from("This server was not built with the per_user_pps feature enabled!"),
226 |     });
227 |     #[cfg(feature = "per_user_pps")]
228 |     return {
229 |         let user_ip = match get_real_ip(addr.ip(), &headers) {
230 |             IpAddr::V4(_) => None,
231 |             IpAddr::V6(ipv6_addr) => Some(ipv6_addr.clone()),
232 |         };
233 |         if let Some(user_ip) = user_ip {
234 |             let mut maybe_user_id = None;
235 |             if let Ok(ref mut pps_users) = per_user_pps::PPS_USERS.lock() {
236 |                 let maybe_user_info = per_user_pps::find_user_info_data(pps_users, user_ip);
237 |                 if let Some(user_info) = maybe_user_info {
238 |                     maybe_user_id = Some(user_info.get_user_id().id);
239 |                 }
240 |             } else {
241 |                 warn!("Failed to lock PPS_USERS! Will simply not return user id for now.");
242 |             }
243 | 
244 |             if let Some(user_id) = maybe_user_id {
245 |                 Json(MyUserIdResponse::Success {
246 |                     ip: user_ip,
247 |                     user_id,
248 |                 })
249 |             } else {
250 |                 Json(MyUserIdResponse::ErrorWithIp { ip: user_ip, error: String::from("Didn't find any user id for your ip. Either you never pinged this server or it was too long ago.") })
251 |             }
252 |         } else {
253 |             Json(MyUserIdResponse::Error {
254 |                 error: String::from("You're not using an IPv6 address!"),
255 |             })
256 |         }
257 |     };
258 | }
259 | 
260 | pub fn get_real_ip(connected_from_ip_addr: IpAddr, headers: &HeaderMap) -> IpAddr {
261 |     find_real_ip_from_headers(connected_from_ip_addr, headers).unwrap_or(connected_from_ip_addr)
262 | }
263 | 
264 | fn find_real_ip_from_headers(
265 |     connected_from_ip_addr: IpAddr,
266 |     headers: &HeaderMap,
267 | ) -> Option<IpAddr> {
268 |     let server_config = SERVER_CONFIG.lock().unwrap();
269 |     if !server_config
270 |         .trusted_proxy_ranges
271 |         .iter()
272 |         .any(|range| range.contains(&connected_from_ip_addr))
273 |         && !server_config
274 |             .trusted_cloudflare_ranges
275 |             .iter()
276 |             .any(|range| range.contains(&connected_from_ip_addr))
277 |     {
278 |         // We don't trust any headers this person gives us that could change the real ip
279 |         return None;
280 |     }
281 |     drop(server_config);
282 | 
283 |     if let Some(x_forwarded_for) = headers
284 |         .get("X-Forwarded-For")
285 |         .or(headers.get("x-forwarded-for"))
286 |     {
287 |         let x_forwarded_for = x_forwarded_for.to_str().ok()?;
288 |         return Some(IpAddr::from_str(x_forwarded_for.replace(" ", "").split(",").next()?).ok()?);
289 |     }
290 |     if let Some(x_real_ip) = headers.get("X-Real-IP").or(headers.get("x-real-ip")) {
291 |         let x_real_ip = x_real_ip.to_str().ok()?;
292 |         return Some(IpAddr::from_str(x_real_ip).ok()?);
293 |     }
294 |     todo!()
295 | }
296 | 


--------------------------------------------------------------------------------
/src/per_user_pps.rs:
--------------------------------------------------------------------------------
  1 | //! Track PPS per user.
  2 | //! A lot of fail safes are built-in to prevent abuse by people with
  3 | //! a lot of IPs, spoofing random ones or other kinds of silliness.
  4 | 
  5 | use fxhash::FxHashMap;
  6 | use once_cell::sync::Lazy;
  7 | use std::{
  8 |     net::Ipv6Addr,
  9 |     sync::Mutex,
 10 |     time::{Duration, Instant},
 11 | };
 12 | 
 13 | #[derive(Clone, Copy, PartialEq, Eq, Hash)]
 14 | pub struct PpsPublicUser {
 15 |     pub id: u64,
 16 | }
 17 | pub static PPS_USERS: Lazy<Mutex<FxHashMap<PpsPrivateUser48, PpsUserInfo>>> =
 18 |     Lazy::new(|| Default::default());
 19 | pub static PPS_NEXT_USER_ID: Mutex<PpsPublicUser> = Mutex::new(PpsPublicUser { id: 1 });
 20 | pub static PPS_USERS_DISABLED_UNTIIL: Mutex<Option<Instant>> = Mutex::new(None);
 21 | #[derive(Hash, PartialEq, Eq, Clone, Copy)]
 22 | pub struct PpsPrivateUser48 {
 23 |     /// First 3 ipv6 segements
 24 |     prefix: [u16; 3],
 25 | }
 26 | 
 27 | impl PpsPrivateUser48 {
 28 |     pub fn from_addr(user_address: Ipv6Addr) -> Self {
 29 |         let s = user_address.segments();
 30 |         Self {
 31 |             prefix: [s[0], s[1], s[2]],
 32 |         }
 33 |     }
 34 | }
 35 | 
 36 | #[derive(Hash, PartialEq, Eq, Clone, Copy)]
 37 | pub struct PpsPrivateUser64 {
 38 |     /// First 4 ipv6 segements
 39 |     prefix: [u16; 4],
 40 | }
 41 | 
 42 | impl PpsPrivateUser64 {
 43 |     pub fn from_addr(user_address: Ipv6Addr) -> Self {
 44 |         let s = user_address.segments();
 45 |         Self {
 46 |             prefix: [s[0], s[1], s[2], s[3]],
 47 |         }
 48 |     }
 49 | }
 50 | 
 51 | pub enum PpsUserInfo {
 52 |     User64 {
 53 |         data_map: FxHashMap<PpsPrivateUser64, PpsUserInfoData>,
 54 |     },
 55 |     User48 {
 56 |         data: PpsUserInfoData,
 57 |     },
 58 | }
 59 | 
 60 | pub struct PpsUserInfoData {
 61 |     last_seen: Instant,
 62 |     user_id: PpsPublicUser,
 63 |     pub pps_counter: usize,
 64 | }
 65 | 
 66 | impl PpsUserInfoData {
 67 |     pub fn get_user_id(&self) -> PpsPublicUser {
 68 |         self.user_id
 69 |     }
 70 | }
 71 | 
 72 | pub fn is_disabled(
 73 |     pps_users: &mut FxHashMap<PpsPrivateUser48, PpsUserInfo>,
 74 |     pps_users_disabled_until: &mut Option<Instant>,
 75 |     now: Instant,
 76 | ) -> bool {
 77 |     // Temporarily disabled because someone keeps fucking with a lot of IPs or spoofing them!
 78 |     if let Some(disabled_until) = pps_users_disabled_until {
 79 |         if *disabled_until > now {
 80 |             true
 81 |         } else {
 82 |             *pps_users_disabled_until = None;
 83 |             false
 84 |         }
 85 |     } else {
 86 |         if pps_users.len() >= 1024 {
 87 |             // Someone is fucking with a lot of IPs or spoofs them. Disabling for 30 seconds!
 88 |             pps_users.clear();
 89 |             *pps_users_disabled_until = Some(now + Duration::from_secs(30));
 90 |             true
 91 |         } else {
 92 |             false
 93 |         }
 94 |     }
 95 | }
 96 | 
 97 | pub fn ensure_existing_activity_updated_and_migrated(
 98 |     pps_users: &mut FxHashMap<PpsPrivateUser48, PpsUserInfo>,
 99 |     next_user_id: &mut PpsPublicUser,
100 |     now: Instant,
101 |     user_ip: Ipv6Addr,
102 | ) {
103 |     if pps_users.len() >= 1024 {
104 |         // Someone is fucking with a lot of IPs or spoofs them. Do not add any further entries!
105 |         return;
106 |     }
107 | 
108 |     let user_48 = PpsPrivateUser48::from_addr(user_ip);
109 | 
110 |     let user_info = pps_users.entry(user_48).or_insert_with(|| {
111 |         let new_user_id = *next_user_id;
112 |         *next_user_id = PpsPublicUser {
113 |             id: new_user_id.id + 1,
114 |         };
115 |         let user_64 = PpsPrivateUser64::from_addr(user_ip);
116 | 
117 |         let mut data_map = FxHashMap::default();
118 |         data_map.insert(
119 |             user_64,
120 |             PpsUserInfoData {
121 |                 last_seen: now,
122 |                 user_id: new_user_id,
123 |                 pps_counter: 0,
124 |             },
125 |         );
126 |         PpsUserInfo::User64 { data_map }
127 |     });
128 | 
129 |     let migrate_to_user48_info = match user_info {
130 |         PpsUserInfo::User48 { data } => {
131 |             data.last_seen = now;
132 |             None
133 |         }
134 |         PpsUserInfo::User64 { data_map } => {
135 |             if data_map.len() < 1024 {
136 |                 let user_64 = PpsPrivateUser64::from_addr(user_ip);
137 |                 let data = data_map.entry(user_64).or_insert_with(|| {
138 |                     let new_user_id = *next_user_id;
139 |                     *next_user_id = PpsPublicUser {
140 |                         id: new_user_id.id + 1,
141 |                     };
142 |                     PpsUserInfoData {
143 |                         last_seen: now,
144 |                         user_id: new_user_id,
145 |                         pps_counter: 0,
146 |                     }
147 |                 });
148 |                 data.last_seen = now;
149 |                 None
150 |             } else {
151 |                 Some(data_map.values().min_by_key(|data| data.user_id.id).expect(
152 |                     "PpsUserInfo::User64.data_map should never be empty because of earlier check!",
153 |                 ).to_owned())
154 |             }
155 |         }
156 |     };
157 | 
158 |     if let Some(user48_data) = migrate_to_user48_info {
159 |         // Migrate User64 to User48
160 |         let user48_migration_info = PpsUserInfoData {
161 |             last_seen: now,
162 |             user_id: user48_data.user_id.clone(),
163 |             pps_counter: 0,
164 |         };
165 | 
166 |         // Not returned from above means the user was User64 and had to many entries. Migrate from User64 to User48 first
167 |         let new_user_info = PpsUserInfo::User48 {
168 |             data: user48_migration_info,
169 |         };
170 |         pps_users.insert(user_48, new_user_info);
171 |     }
172 | }
173 | 
174 | pub fn cleanup(pps_users: &mut FxHashMap<PpsPrivateUser48, PpsUserInfo>, now: Instant) {
175 |     pps_users.retain(|_, user_info| match user_info {
176 |         PpsUserInfo::User48 { data } => now - data.last_seen < Duration::from_secs(60 * 60),
177 |         PpsUserInfo::User64 { data_map } => {
178 |             data_map.retain(|_, data| now - data.last_seen < Duration::from_secs(60 * 60));
179 |             data_map.len() > 0
180 |         }
181 |     });
182 | }
183 | 
184 | pub fn get_all_pps_counters_and_reset(
185 |     pps_users: &mut FxHashMap<PpsPrivateUser48, PpsUserInfo>,
186 | ) -> FxHashMap<PpsPublicUser, usize> {
187 |     let mut map = FxHashMap::default();
188 |     for user_info in pps_users.values_mut() {
189 |         match user_info {
190 |             PpsUserInfo::User48 { data } => {
191 |                 map.insert(data.user_id, data.pps_counter);
192 |                 data.pps_counter = 0;
193 |             }
194 |             PpsUserInfo::User64 { data_map } => {
195 |                 for data in data_map.values_mut() {
196 |                     map.insert(data.user_id, data.pps_counter);
197 |                     data.pps_counter = 0;
198 |                 }
199 |             }
200 |         }
201 |     }
202 |     map
203 | }
204 | 
205 | pub fn find_user_info_data<'a>(
206 |     pps_users: &'a FxHashMap<PpsPrivateUser48, PpsUserInfo>,
207 |     user_ip: Ipv6Addr,
208 | ) -> Option<&'a PpsUserInfoData> {
209 |     pps_users
210 |         .get(&PpsPrivateUser48::from_addr(user_ip))
211 |         .and_then(|info| match info {
212 |             PpsUserInfo::User48 { data } => Some(data),
213 |             PpsUserInfo::User64 { data_map } => data_map.get(&PpsPrivateUser64::from_addr(user_ip)),
214 |         })
215 | }
216 | 
217 | pub fn find_user_info_data_mut<'a>(
218 |     pps_users: &'a mut FxHashMap<PpsPrivateUser48, PpsUserInfo>,
219 |     user_ip: Ipv6Addr,
220 | ) -> Option<&'a mut PpsUserInfoData> {
221 |     pps_users
222 |         .get_mut(&PpsPrivateUser48::from_addr(user_ip))
223 |         .and_then(|info| match info {
224 |             PpsUserInfo::User48 { data } => Some(data),
225 |             PpsUserInfo::User64 { data_map } => {
226 |                 data_map.get_mut(&PpsPrivateUser64::from_addr(user_ip))
227 |             }
228 |         })
229 | }
230 | 


--------------------------------------------------------------------------------
/src/ping_listener.rs:
--------------------------------------------------------------------------------
  1 | //! Sniffs on the network and parsing ICMPv6 ping packets to pass along to canvas_processor.rs
  2 | 
  3 | use color_eyre::Result;
  4 | use crossbeam_channel::Sender;
  5 | use std::{
  6 |     io::{Cursor, Read},
  7 |     net::Ipv6Addr,
  8 | };
  9 | 
 10 | use crate::canvas_processor::PixelInfo;
 11 | 
 12 | /// Source and destination IP of a ping
 13 | #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 14 | pub struct IpInfo {
 15 |     pub src_ip: Ipv6Addr,
 16 |     pub dest_ip: Ipv6Addr,
 17 | }
 18 | 
 19 | impl IpInfo {
 20 |     pub fn new(src_ip: Ipv6Addr, dest_ip: Ipv6Addr) -> Self {
 21 |         Self { src_ip, dest_ip }
 22 |     }
 23 | }
 24 | 
 25 | /// Create a pseudo IPv6 Header.
 26 | /// It is used to calculate the checksum of an ICMPv6 packet
 27 | pub fn make_ipv6_pseudo_header(
 28 |     src_ip: Ipv6Addr,
 29 |     dest_ip: Ipv6Addr,
 30 |     icmp_packet_len: u16,
 31 | ) -> Vec<u8> {
 32 |     let mut data = Vec::new();
 33 |     src_ip.octets().into_iter().for_each(|byte| data.push(byte)); // Source Address
 34 |     dest_ip
 35 |         .octets()
 36 |         .into_iter()
 37 |         .for_each(|byte| data.push(byte)); // Destination Address
 38 | 
 39 |     data.push((icmp_packet_len >> 8) as u8);
 40 |     data.push((icmp_packet_len & 0xFF) as u8);
 41 | 
 42 |     data.push(0x00);
 43 |     data.push(0x00);
 44 |     data.push(0x00);
 45 |     data.push(0x3a); // Next header: ICMPv6 (58)
 46 |     data
 47 | }
 48 | 
 49 | /// Calculate the checksum of an ICMPv6 packet
 50 | /// See: https://datatracker.ietf.org/doc/html/rfc1071
 51 | pub fn icmpv6_checksum(src_ip: Ipv6Addr, dest_ip: Ipv6Addr, icmpv6_packet: &[u8]) -> u16 {
 52 |     let mut data = make_ipv6_pseudo_header(src_ip, dest_ip, icmpv6_packet.len() as u16);
 53 |     icmpv6_packet.iter().for_each(|byte| data.push(*byte));
 54 | 
 55 |     let mut total: u32 = 0;
 56 |     let mut i = 0;
 57 |     let mut words = (data.len() + 1) / 2;
 58 | 
 59 |     // Iterate over 16-bit words
 60 |     loop {
 61 |         if words <= 0 {
 62 |             break;
 63 |         }
 64 |         words -= 1;
 65 | 
 66 |         let val = ((if i + 1 < data.len() {
 67 |             data[i + 1] as u32
 68 |         } else {
 69 |             0x00
 70 |         }) << 8)
 71 |             | (data[i] as u32);
 72 |         total += val;
 73 |         i += 2;
 74 |     }
 75 | 
 76 |     while (total & 0xffff0000) > 0 {
 77 |         total = (total >> 16) + (total & 0xffff);
 78 |     }
 79 | 
 80 |     return !(total as u16);
 81 | }
 82 | 
 83 | /// Analysze a packet, check if it is a valid IPv6 Ping and extract some information from it
 84 | /// Returns Ok(None) if packet is not a valid IPv6 ping packet.
 85 | #[inline]
 86 | pub fn check_for_icmpv6_ping(
 87 |     data: &[u8],
 88 |     is_ethernet: bool,
 89 |     require_valid_icmpv6_checksum: bool,
 90 | ) -> Result<Option<IpInfo>> {
 91 |     //debug!("PACKET: {:x?}", data);
 92 |     let mut reader = Cursor::new(data);
 93 | 
 94 |     // Ethernet header
 95 |     if is_ethernet {
 96 |         let mut mac_buf = [0u8; 6];
 97 |         reader.read_exact(&mut mac_buf)?; // Dest Mac Addr
 98 |         reader.read_exact(&mut mac_buf)?; // Src Mac Addr
 99 | 
100 |         let mut next_header = [0u8; 2];
101 |         reader.read_exact(&mut next_header)?;
102 |         if next_header[0] != 0x86 || next_header[1] != 0xdd {
103 |             // Next header is not an IPv6 packet!
104 |             /*debug!(
105 |                 "Fault: Ethernet: Not an IPv6 packet (got: {:02x}, {:02x}, expected: 0x86, 0xdd)",
106 |                 next_header[0],
107 |                 next_header[1]
108 |             );*/
109 |             return Ok(None);
110 |         }
111 |     }
112 | 
113 |     // IPv6 Header
114 |     let mut ip_header = [0u8; 8 + 16 + 16];
115 |     reader.read_exact(&mut ip_header[..1])?;
116 |     if ip_header[0] != 0x60 {
117 |         // This is most likely an IPv4 packet, not IPv6!
118 |         /*debug!(
119 |             "Fault: IP: Not an IPv6 packet (got: {:02x}, expected: 0x60)",
120 |             ip_header[0]
121 |         );*/
122 |         return Ok(None);
123 |     }
124 |     reader.read_exact(&mut ip_header[1..])?;
125 | 
126 |     // ip_header[1..3] are something with traffic classes
127 |     if ip_header[6] != 0x3a {
128 |         // "Next header" is not indicating an ICMPv6 packet. We don't care about Non-ICMP packets!
129 |         //debug!("Fault: Next header is not ICMPv6");
130 |         return Ok(None);
131 |     }
132 |     // ip_header[7] is the hop limit
133 | 
134 |     let payload_length: u16 = ((ip_header[4] as u16) << 8) as u16 | ((ip_header[5] & 0xFF) as u16);
135 | 
136 |     let src_ip = Ipv6Addr::new(
137 |         (ip_header[8 + 0] as u16) << 8 | ip_header[8 + 1] as u16,
138 |         (ip_header[8 + 2] as u16) << 8 | ip_header[8 + 3] as u16,
139 |         (ip_header[8 + 4] as u16) << 8 | ip_header[8 + 5] as u16,
140 |         (ip_header[8 + 6] as u16) << 8 | ip_header[8 + 7] as u16,
141 |         (ip_header[8 + 8] as u16) << 8 | ip_header[8 + 9] as u16,
142 |         (ip_header[8 + 10] as u16) << 8 | ip_header[8 + 11] as u16,
143 |         (ip_header[8 + 12] as u16) << 8 | ip_header[8 + 13] as u16,
144 |         (ip_header[8 + 14] as u16) << 8 | ip_header[8 + 15] as u16,
145 |     );
146 |     let dest_ip = Ipv6Addr::new(
147 |         (ip_header[24 + 0] as u16) << 8 | ip_header[24 + 1] as u16,
148 |         (ip_header[24 + 2] as u16) << 8 | ip_header[24 + 3] as u16,
149 |         (ip_header[24 + 4] as u16) << 8 | ip_header[24 + 5] as u16,
150 |         (ip_header[24 + 6] as u16) << 8 | ip_header[24 + 7] as u16,
151 |         (ip_header[24 + 8] as u16) << 8 | ip_header[24 + 9] as u16,
152 |         (ip_header[24 + 10] as u16) << 8 | ip_header[24 + 11] as u16,
153 |         (ip_header[24 + 12] as u16) << 8 | ip_header[24 + 13] as u16,
154 |         (ip_header[24 + 14] as u16) << 8 | ip_header[24 + 15] as u16,
155 |     );
156 |     let ip_info: IpInfo = IpInfo::new(src_ip, dest_ip);
157 | 
158 |     if payload_length < 8 {
159 |         // The ICMPv6 Packet is smaller than the smallest ping possible!
160 |         //debug!("Fault: ICMPv6 Header too small");
161 |         return Ok(None);
162 |     }
163 | 
164 |     let mut icmp_packet = vec![0u8; payload_length as usize];
165 |     reader.read_exact(&mut icmp_packet)?;
166 |     if (icmp_packet[0] != 0x80 && icmp_packet[0] != 0x81) || icmp_packet[1] != 0x00 {
167 |         // not ping request or reply or not Code (0x00)!
168 |         return Ok(None);
169 |     }
170 | 
171 |     let icmp_checksum: u16 = ((icmp_packet[2] & 0xFF) as u16) | ((icmp_packet[3] as u16) << 8);
172 |     //let icmp_identifier: u16 = ((icmp_packet[4] as u16) << 8) | ((icmp_packet[5] & 0xFF) as u16);
173 |     //let icmp_sequence: u16 = ((icmp_packet[6] as u16) << 8) | ((icmp_packet[7] & 0xFF) as u16);
174 | 
175 |     if require_valid_icmpv6_checksum {
176 |         // Zero out checksum for checksum calc
177 |         icmp_packet[2] = 0x00;
178 |         icmp_packet[3] = 0x00;
179 |         let expected_icmp_checksum = icmpv6_checksum(src_ip, dest_ip, &icmp_packet);
180 |         if expected_icmp_checksum != icmp_checksum {
181 |             // Wrong checksum!
182 |             /*debug!(
183 |                 "Fault: Wrong checksum (expected: {:04x}, got: {:04x})",
184 |                 expected_icmp_checksum,
185 |                 icmp_checksum
186 |             );*/
187 |             return Ok(None);
188 |         }
189 |     }
190 | 
191 |     Ok(Some(ip_info))
192 | }
193 | 
194 | /// Listen for icmpv6 packets on a given interface and pass on valid pings
195 | /// as PixelInfo to pixel_sender.
196 | /// Requires admin/root or the capability CAP_NET_RAW (linux)
197 | pub fn run_ping_listener(
198 |     iface_name: &str,
199 |     require_valid_icmpv6_checksum: bool,
200 |     pixel_sender: Sender<PixelInfo>,
201 | ) -> Result<()> {
202 |     let lib = rawsock::open_best_library()?;
203 |     let mut iface = lib.open_interface(iface_name)?;
204 |     iface.set_filter("icmp6")?;
205 |     let is_ethernet = match iface.data_link() {
206 |         rawsock::DataLink::Ethernet => true,
207 |         _ => false,
208 |     };
209 | 
210 |     info!(
211 |         "Started. Listening for IPv6 pings on {iface_name} using {}...",
212 |         lib.version().to_string().trim()
213 |     );
214 | 
215 |     iface.loop_infinite_dyn(&|packet| {
216 |         let res = check_for_icmpv6_ping(&packet, is_ethernet, require_valid_icmpv6_checksum);
217 |         match res {
218 |             Ok(Some(ip_info)) => {
219 |                 //info!("Got ping from {} to {}", ip_info.src_ip, ip_info.dest_ip);
220 |                 let pixel_info: Option<PixelInfo> = PixelInfo::from_ip_info(ip_info);
221 |                 if let Some(pixel_info) = pixel_info {
222 |                     pixel_sender.send(pixel_info).ok();
223 |                 }
224 |             }
225 |             _ => {}
226 |         }
227 |     })?;
228 |     Err(color_eyre::eyre::eyre!(
229 |         "Infinite loop ended unexpectedly (something must have went wrong)"
230 |     ))
231 | }
232 | 


--------------------------------------------------------------------------------
/src/websocket_handler.rs:
--------------------------------------------------------------------------------
  1 | //! Handles connected websockets and defines how it is used.
  2 | 
  3 | use std::{net::SocketAddr, sync::Arc};
  4 | 
  5 | use axum::{
  6 |     extract::{
  7 |         ws::{Message, WebSocket},
  8 |         ConnectInfo, State, WebSocketUpgrade,
  9 |     },
 10 |     http::HeaderMap,
 11 |     response::Response,
 12 | };
 13 | use color_eyre::{eyre::Context, Result};
 14 | use serde::{Deserialize, Serialize};
 15 | 
 16 | use crate::canvas::{CanvasState, PpsInfo};
 17 | 
 18 | /// Client -> Server
 19 | #[derive(Deserialize)]
 20 | #[serde(tag = "request", rename_all = "snake_case")]
 21 | enum WsRequest {
 22 |     GetFullCanvasOnce,
 23 |     DeltaCanvasStream { enabled: bool },
 24 |     PpsUpdates { enabled: bool },
 25 |     WsCountUpdates { enabled: bool },
 26 |     GetWsCountUpdateOnce,
 27 |     NudityUpdates { enabled: bool },
 28 |     GetNudityUpdateOnce,
 29 | }
 30 | 
 31 | /// Server -> Client
 32 | #[derive(Serialize)]
 33 | #[serde(tag = "message", rename_all = "snake_case")]
 34 | enum WsMessage {
 35 |     PpsUpdate {
 36 |         #[serde(flatten)]
 37 |         pps_info: PpsInfo,
 38 |     },
 39 |     WsCountUpdate {
 40 |         ws_connections: usize,
 41 |     },
 42 |     NudityUpdate {
 43 |         is_nude: bool,
 44 |     },
 45 | }
 46 | 
 47 | pub async fn get_ws(
 48 |     ws: WebSocketUpgrade,
 49 |     State(canvas_state): State<Arc<CanvasState>>,
 50 |     ConnectInfo(addr): ConnectInfo<SocketAddr>,
 51 |     headers: HeaderMap,
 52 | ) -> Response {
 53 |     // This IP:Port combination will not be bogus (port may not be from real ip),
 54 |     // but should serve as a somewhat decent identifier for connections.
 55 |     let addr = SocketAddr::new(crate::get_real_ip(addr.ip(), &headers), addr.port());
 56 |     ws.on_upgrade(move |ws| on_websocket_upgrade(ws, canvas_state, addr))
 57 | }
 58 | 
 59 | async fn on_websocket_upgrade(mut ws: WebSocket, canvas_state: Arc<CanvasState>, addr: SocketAddr) {
 60 |     if let Err(err) = websocket_connection(&mut ws, canvas_state, addr).await {
 61 |         warn!("Websocket: Connection to {addr} failed: {err}");
 62 |         ws.close().await.ok();
 63 |     }
 64 | }
 65 | 
 66 | async fn websocket_connection(
 67 |     ws: &mut WebSocket,
 68 |     canvas_state: Arc<CanvasState>,
 69 |     addr: SocketAddr,
 70 | ) -> Result<()> {
 71 |     info!("Websocket: {addr} connected");
 72 |     let _ws_tracker = canvas_state.track_new_websocket();
 73 | 
 74 |     let mut delta_canvas_receiver = canvas_state.read_encoded_delta_canvas().await.subscribe();
 75 |     let mut pps_receiver = canvas_state.subscribe_to_pps();
 76 |     let mut ws_count_receiver = canvas_state.subscribe_to_websocket_count();
 77 |     let mut nudity_results_receiver = canvas_state.subscribe_to_nudity_results();
 78 | 
 79 |     let mut delta_canvas_stream_enabled = false;
 80 |     let mut pps_updates_enabled = false;
 81 |     let mut ws_count_updates_enabled = false;
 82 |     let mut nudity_updates_enabled = false;
 83 | 
 84 |     loop {
 85 |         tokio::select! {
 86 |             encoded_delta_canvas_res = delta_canvas_receiver.recv() => {
 87 |                 if delta_canvas_stream_enabled {
 88 |                     ws.send(Message::Binary(encoded_delta_canvas_res.context("Receive encoded delta canvas")?)).await.context("Send encoded delta canvas")?;
 89 |                 }
 90 |             }
 91 |             pps_info_res = pps_receiver.recv() => {
 92 |                 if pps_updates_enabled {
 93 |                     let message = WsMessage::PpsUpdate { pps_info: pps_info_res.context("Receive pps update")? };
 94 |                     ws.send(Message::Text(serde_json::to_string(&message).context("Encode pps update")?)).await.context("Send pps update")?;
 95 |                 }
 96 |             }
 97 |             ws_count_res = ws_count_receiver.recv() => {
 98 |                 if ws_count_updates_enabled {
 99 |                     let message = WsMessage::WsCountUpdate { ws_connections: ws_count_res.context("Receive ws count update")? };
100 |                     ws.send(Message::Text(serde_json::to_string(&message).context("Encode ws count update")?)).await.context("Send ws count update")?;
101 |                 }
102 |             }
103 |             nudity_result_res = nudity_results_receiver.recv() => {
104 |                 if nudity_updates_enabled {
105 |                     let message = WsMessage::NudityUpdate { is_nude: nudity_result_res.context("Receive nudity update")?.is_nude };
106 |                     ws.send(Message::Text(serde_json::to_string(&message).context("Encode nudity update")?)).await.context("Send nudity update")?;
107 |                 }
108 |             }
109 |             maybe_ws_message_res = ws.recv() => {
110 |                 if maybe_ws_message_res.is_none() {
111 |                     info!("Websocket: {addr} closed connection");
112 |                     return Ok(())
113 |                 }
114 |                 let ws_message = maybe_ws_message_res.unwrap().context("Websocket message")?;
115 | 
116 |                 match ws_message {
117 |                     Message::Text(text) => {
118 |                         let request: WsRequest = serde_json::from_str(&text).context("Parsing received text as WsRequest")?;
119 |                         match request {
120 |                             WsRequest::GetFullCanvasOnce => {
121 |                                 debug!("Websocket: {addr} requested a full canvas frame");
122 |                                 ws.send(Message::Binary(
123 |                                         canvas_state.read_encoded_full_canvas().await.get_encoded(),
124 |                                 ))
125 |                                 .await?;
126 |                             },
127 |                             WsRequest::DeltaCanvasStream { enabled } => {
128 |                                 delta_canvas_stream_enabled = enabled;
129 |                                 debug!("Websocket: {addr} {} delta canvas frames", if enabled { "enabled" } else { "disabled" })
130 |                             },
131 |                             WsRequest::PpsUpdates { enabled } => {
132 |                                 pps_updates_enabled = enabled;
133 |                                 debug!("Websocket: {addr} {} pps updates", if enabled { "enabled" } else { "disabled" })
134 |                             },
135 |                             WsRequest::WsCountUpdates { enabled } => {
136 |                                 ws_count_updates_enabled = enabled;
137 |                                 debug!("Websocket: {addr} {} ws count updates", if enabled { "enabled" } else { "disabled" })
138 |                             },
139 |                             WsRequest::GetWsCountUpdateOnce => {
140 |                                 debug!("Websocket: {addr} requested ws count once");
141 |                                 let message = WsMessage::WsCountUpdate { ws_connections: canvas_state.websocket_count() };
142 |                                 ws.send(Message::Text(serde_json::to_string(&message).context("Encode ws count update")?)).await.context("Send ws count update")?;
143 |                             },
144 |                             WsRequest::NudityUpdates { enabled } => {
145 |                                 nudity_updates_enabled = enabled;
146 |                                 debug!("Websocket: {addr} {} nudity result updates", if enabled { "enabled" } else { "disabled" })
147 |                             },
148 |                             WsRequest::GetNudityUpdateOnce => {
149 |                                 debug!("Websocket: {addr} requested nudity result once");
150 |                                 let message = WsMessage::NudityUpdate { is_nude: canvas_state.nudity_result().await.is_nude };
151 |                                 ws.send(Message::Text(serde_json::to_string(&message).context("Encode nudity update")?)).await.context("Send nudity update")?;
152 |                             },
153 |                         }
154 |                     }
155 |                     _ => {}
156 |                 }
157 |             }
158 |         }
159 |     }
160 | }
161 | 


--------------------------------------------------------------------------------
/static/blue/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 |     <head>
 4 |         <title>Place IPv6 v2</title>
 5 |         <link rel="stylesheet" href="style.css">
 6 |         <link rel='stylesheet' href='../censor.css' />
 7 |         <script src="script.js"></script>
 8 |         <script src="../prefix.js"></script>
 9 |         <script src="../frontends.js"></script>
10 |         <script src="../censor.js"></script>
11 |     </head>
12 |     <body>
13 |         <div id="container">
14 |             <h1>Place: IPv6v2</h1>
15 |             <p>This is a fun experiment and continuation of ziad87's sillyness.</p>
16 |             <p>Each pixel or 2x2 group is controlled by pinging this IPv6 Prefix
17 |                 and specifying how to place the pixel by changing the last 4 segments.
18 |             </p>
19 |             <h3>DISCLAIMER</h3>
20 |             <p>This is a self-hosted open-source software found <a href="https://github.com/serverscanning/place-ipv6-server/">here</a>. It is likely not moderated and therefore <b>not suited for minors</b> as people can put pretty much anything up here! (A more effective disclaimer is WIP)</p>
21 |             <h3>HOW TO USE</h3>
22 |             <p>
23 |                 <span title="The first 4 segments (of probably this same server)" id="ipv6-prefix">PPPP:PPPP:PPPP:PPPP</span>:<span title="The size of affected pixels. Use 1 for 1x1 and 2 for 2x2." id="ipv6-size">S</span><span title="The X and Y coordinates of the pixel(s) you want to change" id="ipv6-coords"><span id="ipv6-coords-x">XXX</span>:<span id="ipv6-coords-y">YYY</span></span>:<span title="The color the pixel(s) should turn into" id="ipv6-colors"><span id="ipv6-colors-red">RR</span>:<span id="ipv6-colors-green">GG</span><span id="ipv6-colors-blue">BB</span></span> - <span title="Not me, but you get the idea it seems!" id="ipv6-more">(hover to see more)</span>
24 |             </p>
25 |             <div id="canvas-container">
26 |                 <canvas id="canvas" width="512" height="512"></canvas>
27 |                 <span id="canvas-pps"></span>
28 |                 <span id="canvas-status">...</span>
29 |             </div>
30 | 
31 |             <span id="other-frontends">Other frontends: <ul id="other-frontends-list"></ul></span>
32 |         </div>
33 |     </body>
34 | </html>
35 | 


--------------------------------------------------------------------------------
/static/blue/script.js:
--------------------------------------------------------------------------------
 1 | document.addEventListener("DOMContentLoaded", subscribeToCanvas);
 2 | 
 3 | function subscribeToCanvas() {
 4 |     const canvasEl = document.getElementById("canvas");
 5 |     const canvasCtx = canvasEl.getContext("2d");
 6 |     const canvasStatusEl = document.getElementById("canvas-status");
 7 |     const canvasPpsEl = document.getElementById("canvas-pps");
 8 | 
 9 |     console.log("Websocket: Connecting...");
10 |     canvasStatusEl.innerText = "Connecting...";
11 |     canvasPpsEl.innerText = "";
12 | 
13 |     const ws = new WebSocket((document.location.protocol === "https:" ? "wss://" : "ws://") + document.location.host + "/ws");
14 |     ws.binaryType = "blob";
15 |     ws.onopen = (event) => {
16 |         console.log("Websocket: Connected");
17 |         canvasStatusEl.innerText = "Connected";
18 | 
19 |         ws.send(JSON.stringify({ request: 'nudity_updates', enabled: true }));
20 |         ws.send(JSON.stringify({ request: 'get_nudity_update_once' }));
21 |         ws.send(JSON.stringify({ request: "delta_canvas_stream", enabled: true }));
22 |         ws.send(JSON.stringify({ request: "get_full_canvas_once" }));
23 |         ws.send(JSON.stringify({ request: "pps_updates", enabled: true }));
24 |     };
25 | 
26 |     const visibilityChangeHandler = (event) => {
27 |         if (document.visibilityState === "visible") {
28 |             ws.send(JSON.stringify({ request: "delta_canvas_stream", enabled: true }));
29 |             ws.send(JSON.stringify({ request: "get_full_canvas_once" }));
30 |             console.log("Document became visible again. Enabled receiving delta frames again and requested a full canvas.");
31 |         } else {
32 |             ws.send(JSON.stringify({ request: "delta_canvas_stream", enabled: false }));
33 |             console.log("Document invisible. Disabled receiving delta frame updates.");
34 |         }
35 |     };
36 |     document.addEventListener("visibilitychange", visibilityChangeHandler);
37 | 
38 |     let didError = false;
39 |     ws.onerror = (event) => {
40 |         console.log("Websocket: Error!");
41 |         didError = true;
42 |         ws.close();
43 |     };
44 | 
45 |     ws.onclose = (event) => {
46 |         document.removeEventListener("visibilitychange", visibilityChangeHandler);
47 |         console.log("Websocket: Closed. Reconnecting in 3s...");
48 |         canvasStatusEl.innerText = (didError ? "Error!" : "Lost connection!") + " Attempting to reconnect in 3s...";
49 |         canvasPpsEl.innerText = "";
50 |         setTimeout(subscribeToCanvas, 3000);
51 |     }
52 | 
53 |     let ppsEntries = [];
54 | 
55 |     ws.onmessage = async (event) => {
56 |         if (event.data instanceof Blob) {
57 |             let imageBitmap = await createImageBitmap(event.data);
58 |             canvasCtx.drawImage(imageBitmap, 0, 0);
59 |         } else if(typeof(event.data) === "string") {
60 |             let wsMessage = JSON.parse(event.data);
61 |             if (wsMessage.message === "pps_update") {
62 |                 ppsEntries.push(wsMessage.pps);
63 |                 while (ppsEntries.length > 10) ppsEntries.splice(0, 1);
64 |                 let maxPps = 0;
65 |                 for (const pps of ppsEntries) if (pps > maxPps) maxPps = pps;
66 |                 canvasPpsEl.innerText = "PPS (current / max): " + formatNumber(wsMessage.pps, digits(maxPps)) + " / " + formatNumber(maxPps, 0);
67 |             } else if (wsMessage.message === 'nudity_update') {
68 |                 if (wsMessage.is_nude) {
69 |                     console.log("WARN: The server reports the image is/became nude!");
70 |                     censorCanvas("The server detected nudity!");
71 |                 } else {
72 |                     console.log("The server reports the image not nude (anymore).");
73 |                     uncensorCanvas();
74 |                 }
75 |             }
76 |         } else {
77 |             console.error("Received invalid type ws data: " + typeof (event.data));
78 |         }
79 |     }
80 | }
81 | 
82 | function digits(number) {
83 |     return Math.floor(Math.log10(number) + 1);
84 | }
85 | 
86 | function formatNumber(number, padToMinDigits) {
87 |     let numberStrRev = (number + "").split("").reverse().join("");
88 |     while (numberStrRev.length < padToMinDigits) numberStrRev += "0";
89 |     let newNumberStrRev = "";
90 |     for (const i in numberStrRev) {
91 |         if (i > 0 && i % 3 == 0) newNumberStrRev += ",";
92 |         newNumberStrRev += numberStrRev[i];
93 |     }
94 |     return newNumberStrRev.split("").reverse().join("");
95 | }
96 | 


--------------------------------------------------------------------------------
/static/blue/style.css:
--------------------------------------------------------------------------------
  1 | :root {
  2 |     --primary-color: #00f6ff;
  3 |     --text-primary-color: #a7fcff;
  4 |     --text-second-color: #a7fcff;
  5 |     --text-ipv6-prefix-color: #a7fcff;
  6 |     --text-ipv6-size-color: #fffba7;
  7 |     --text-ipv6-x-color: #ffa7ef;
  8 |     --text-ipv6-y-color: #b8a7ff;
  9 |     --text-ipv6-red-color: #ffa7af;
 10 |     --text-ipv6-green-color: #b3ffa7;
 11 |     --text-ipv6-blue-color: #a7b2ff;
 12 |     --text-muted-color: #007c81dd;
 13 |     --bg-color: #004b4e;
 14 | }
 15 | 
 16 | body {
 17 |     /*background-color: var(--bg-color);*/
 18 |     background: radial-gradient(circle, #222 0%, var(--bg-color) 100%);
 19 | }
 20 | 
 21 | p {
 22 |     color: var(--text-primary-color);
 23 |     margin: 5px 0;
 24 | }
 25 | 
 26 | h1 {
 27 |     /*text-decoration: underline;*/
 28 |     text-align: center;
 29 | }
 30 | 
 31 | h1, h2, h3, h4, h5 {
 32 |     font-family: sans-serif;
 33 |     color: var(--primary-color);
 34 | }
 35 | 
 36 | h1 {
 37 |     margin: 5px 0;
 38 | }
 39 | 
 40 | h3 {
 41 |     margin: 2px 0;
 42 | }
 43 | 
 44 | a {
 45 |     color: inherit;
 46 | }
 47 | 
 48 | #container {
 49 |     margin: 0 auto;
 50 |     max-width: 920px;
 51 | }
 52 | 
 53 | #canvas-container {
 54 |     margin: 0 auto;
 55 |     margin-top: 24px;
 56 |     max-width: 512px;
 57 | }
 58 | 
 59 | #canvas {
 60 |     display: block;
 61 |     border-radius: 2px;
 62 |     /*box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);*/
 63 |     box-shadow: 0px 0px 16px var(--primary-color);
 64 | }
 65 | 
 66 | #canvas-pps {
 67 |     font-style: italic;
 68 |     margin-top: 5px;
 69 |     font-size: 9pt;
 70 |     color: var(--text-primary-color);
 71 |     font-variant-numeric: tabular-nums;
 72 | }
 73 | 
 74 | #canvas-status {
 75 |     font-style: italic;
 76 |     margin-top: 5px;
 77 |     font-size: 9pt;
 78 |     color: var(--text-muted-color);
 79 |     float: right;
 80 | }
 81 | #ipv6-prefix:hover, #ipv6-size:hover, #ipv6-coords:hover, #ipv6-colors:hover, #ipv6-more:hover {
 82 |     border-bottom: dotted 2px var(--text-muted-color);
 83 | }
 84 | 
 85 | #ipv6-prefix {
 86 |     color: var(--text-ipv6-prefix-color);
 87 | }
 88 | 
 89 | #ipv6-size {
 90 |     color: var(--text-ipv6-size-color);
 91 | }
 92 | #ipv6-coords-x {
 93 |     color: var(--text-ipv6-x-color);
 94 | }
 95 | 
 96 | #ipv6-coords-y {
 97 |     color: var(--text-ipv6-y-color);
 98 | }
 99 | 
100 | #ipv6-colors-red {
101 |     color: var(--text-ipv6-red-color);
102 | }
103 | 
104 | #ipv6-colors-green {
105 |     color: var(--text-ipv6-green-color);
106 | }
107 | 
108 | #ipv6-colors-blue {
109 |     color: var(--text-ipv6-blue-color);
110 | }
111 | 
112 | #ipv6 > #ipv6-prefix:hover ~ #ipv6-more {
113 |     color: var(--text-muted-color) !important;
114 |     text-decoration: underline;
115 | }
116 | 
117 | #other-frontends {
118 |     margin-top: 5px;
119 |     font-size: 9pt;
120 |     color: var(--text-primary-color);
121 | }
122 | 
123 | #other-frontends-list {
124 |     padding: 0;
125 |     display: inline;
126 | }
127 | #other-frontends-list li {
128 |     display: inline;
129 |     content: ", "
130 | }
131 | #other-frontends-list li:last-child:after {
132 |     content: ""
133 | }
134 | #other-frontends-list li:after {
135 |     content: ", "
136 | }
137 | 


--------------------------------------------------------------------------------
/static/censor.css:
--------------------------------------------------------------------------------
 1 | /* Wrapper div */
 2 | #censor {
 3 |     position: absolute;
 4 |     backdrop-filter: blur(10px);
 5 |     /*left, top, width and height are set and kept-update by censor.js */
 6 | }
 7 | 
 8 | /* Inner div with content inside */
 9 | #censor > div {
10 |     padding: 5px;
11 |     width: 100%;
12 |     height: 100%;
13 |     box-sizing: border-box;
14 | 
15 |     /* Alignment of children */
16 |     display: flex;
17 |     flex-direction: column;
18 |     justify-content: center;
19 |     align-items: center;
20 | }
21 | 
22 | /* Default text styles */
23 | #censor * {
24 |     color: white;
25 |     text-shadow: 1px 1px 0px black;
26 |     /* font-size: 10% */
27 | }
28 | 
29 | /* Title */
30 | #censor h1 {
31 |     color: red;
32 | }
33 | 
34 | #censor .button {
35 |     box-shadow: 1px 1px 0px black;
36 |     border: 1px solid white;
37 |     border-radius: 5px;
38 |     padding: 0 3px;
39 |     color: white;
40 |     background-color: rgba(255, 255, 255, 0.25);
41 |     width: fit-content;
42 |     margin: 0 auto;
43 |     margin-top: 3em;
44 |     cursor: pointer;
45 | }
46 | 
47 | /* Checkbox and label container */
48 | #censor #hide-censor-forever {
49 |     margin: 3px 0;
50 | }
51 | 
52 | #censor #hide-censor-forever > label {
53 |     font-size: 3em;
54 | }
55 | 


--------------------------------------------------------------------------------
/static/censor.js:
--------------------------------------------------------------------------------
  1 | censorState = {
  2 |     isCensored: false,
  3 |     canvasEl: null,
  4 |     censorEl: null,
  5 |     windowResizeHandler: null,
  6 |     originalParentHref: null,
  7 |     resizeObserver: null,
  8 | }
  9 | 
 10 | function censorCanvas(description, { title = "Unsafe content ahead!", descriptionIsHtml = false, canvasEl = undefined } = {}) {
 11 |     if (localStorage.getItem("hide_censor_forever") === "true") {
 12 |         console.log("WARN: Not censoring canvas because the user has disabled censoring forever!");
 13 |         return;
 14 |     }
 15 |     if (censorState.isCensored) uncensorCanvas({ canvasEl });
 16 |     console.log("Censoring canvas...");
 17 | 
 18 | 
 19 |     if (!canvasEl)
 20 |         canvasEl = document.getElementById("canvas");
 21 |     if (canvasEl === null) {
 22 |         console.log("WARN: Failed to apply censoring!");
 23 |         return;
 24 |     }
 25 |     censorState.isCensored = true;
 26 |     censorState.canvasEl = canvasEl;
 27 | 
 28 |     if (canvasEl.parentElement.tagName.toLowerCase() === "a" && canvasEl.parentElement.hasAttribute("href")) {
 29 |         censorState.originalParentHref = canvasEl.parentElement.getAttribute("href");
 30 |         canvasEl.parentElement.removeAttribute("href");
 31 |     }
 32 | 
 33 |     const censorWrapperContainerEl = document.createElement("div");
 34 |     censorWrapperContainerEl.id = "censor";
 35 |     const censorContainerEl = document.createElement("div");
 36 | 
 37 |     canvasEl.parentElement.insertBefore(censorWrapperContainerEl, canvasEl);
 38 |     censorWrapperContainerEl.appendChild(censorContainerEl);
 39 |     censorState.censorEl = censorWrapperContainerEl;
 40 | 
 41 |     const censorTitle = document.createElement("h1");
 42 |     censorTitle.innerText = title;
 43 | 
 44 |     const censorText1 = document.createElement("p");
 45 |     if (descriptionIsHtml)
 46 |         censorText1.innerHTML = description;
 47 |     else
 48 |         censorText1.innerText = description;
 49 | 
 50 |     const censorText2 = document.createElement("p");
 51 |     censorText2.innerText = "If you're a minor, DO NOT click the button below. The content could be nasty! This will disappear once the content is safe again.";
 52 | 
 53 |     const hideCensorButton = document.createElement("a");
 54 |     hideCensorButton.classList.add("button");
 55 |     hideCensorButton.innerText = "Show anyway";
 56 | 
 57 |     const hideCensorForeverContainer = document.createElement("div");
 58 |     hideCensorForeverContainer.id = "censor-hide-forever";
 59 |     const hideCensorForeverCheckbox = document.createElement("input")
 60 |     hideCensorForeverCheckbox.type = "checkbox";
 61 |     hideCensorForeverCheckbox.id = "censor-hide-forever-cb-" + Math.floor(10000 * Math.random());
 62 |     const hideCensorForeverLabel = document.createElement("label")
 63 |     hideCensorForeverLabel.innerText = "Don't show again";
 64 |     hideCensorForeverLabel.setAttribute("for", hideCensorForeverCheckbox.id);
 65 |     hideCensorForeverContainer.appendChild(hideCensorForeverCheckbox);
 66 |     hideCensorForeverContainer.appendChild(hideCensorForeverLabel);
 67 | 
 68 |     hideCensorButton.addEventListener("click", () => {
 69 |         if (hideCensorForeverCheckbox.checked)
 70 |             localStorage.setItem("hide_censor_forever", "true");
 71 |         setTimeout(() => uncensorCanvas({ canvasEl }), 0); // Prevent clicking restored a href instantly as well
 72 |     });
 73 | 
 74 |     censorContainerEl.appendChild(censorTitle);
 75 |     censorContainerEl.appendChild(censorText1);
 76 |     censorContainerEl.appendChild(censorText2);
 77 |     censorContainerEl.appendChild(hideCensorButton);
 78 |     censorContainerEl.appendChild(hideCensorForeverContainer);
 79 | 
 80 |     const reposition = () => {
 81 |         const canvasComputedStyle = getComputedStyle(canvasEl);
 82 |         // Update position (over canvas)
 83 |         censorWrapperContainerEl.style.left = `calc(${canvasEl.offsetLeft}px + ${canvasComputedStyle.marginLeft} + ${canvasComputedStyle.paddingLeft} + ${canvasComputedStyle.borderLeftWidth})`;
 84 |         censorWrapperContainerEl.style.top = `calc(${canvasEl.offsetTop}px + ${canvasComputedStyle.marginTop} + ${canvasComputedStyle.paddingTop} + ${canvasComputedStyle.borderTopWidth})`;
 85 |         censorWrapperContainerEl.style.width = canvasEl.clientWidth + "px";
 86 |         censorWrapperContainerEl.style.height = canvasEl.clientHeight + "px";
 87 |         censorWrapperContainerEl.style.fontSize = canvasEl.clientWidth / 30 + "px";
 88 |         censorWrapperContainerEl.style.backdropFilter = "blur(" + canvasEl.clientWidth / 20 + "px)";
 89 |     }
 90 |     reposition();
 91 |     censorState.windowResizeHandler = reposition;
 92 |     window.addEventListener("resize", reposition);
 93 |     censorState.resizeObserver = new ResizeObserver(reposition);
 94 |     censorState.resizeObserver.observe(canvasEl);
 95 | 
 96 |     console.log("Censored Canvas: " + description)
 97 | }
 98 | function uncensorCanvas() {
 99 |     if (!censorState.isCensored) return;
100 | 
101 |     censorState.isCensored = false;
102 |     if (censorState.censorEl !== null) {
103 |         censorState.censorEl.remove();
104 |         censorState.censorEl = null;
105 |     }
106 |     if (censorState.originalParentHref !== null) {
107 |         censorState.canvasEl.parentElement.setAttribute("href", censorState.originalParentHref);
108 |         censorState.originalParentHref = null;
109 |     }
110 |     if (censorState.windowResizeHandler !== null) {
111 |         window.removeEventListener("resize", censorState.windowResizeHandler);
112 |         censorState.windowResizeHandler = null;
113 |     }
114 |     if (censorState.resizeObserver !== null) {
115 |         censorState.resizeObserver.unobserve(censorState.canvasEl)
116 |         censorState.resizeObserver = null;
117 |     }
118 | 
119 |     censorState.canvasEl = null;
120 |     console.log("Uncensored canvas!");
121 | }
122 | 


--------------------------------------------------------------------------------
/static/frontends.js:
--------------------------------------------------------------------------------
 1 | const ALL_FRONTENDS = {
 2 |     // Name: Directory
 3 |     "Blue": "blue",
 4 |     "TimR": "timr",
 5 |     "Ziad": "ziad"
 6 | };
 7 | 
 8 | function getCurrentFrontedDirectory() {
 9 |     return location.pathname.substring(1).split("/")[0];
10 | }
11 | 
12 | document.addEventListener("DOMContentLoaded", updateOtherFrontendsList);
13 | 
14 | function updateOtherFrontendsList() {
15 |     const otherFrontendsListEl = document.getElementById("other-frontends-list");
16 | 
17 |     const currentFrontedDirectory = getCurrentFrontedDirectory();
18 |     for (const frontendName in ALL_FRONTENDS) {
19 |         const frontendDirectory = ALL_FRONTENDS[frontendName];
20 |         if (frontendDirectory === currentFrontedDirectory) continue;
21 | 
22 |         let listItemEl = document.createElement("li");
23 |         let linkEl = document.createElement("a");
24 |         linkEl.href = "/" + frontendDirectory + "/";
25 |         linkEl.innerText = frontendName;
26 | 
27 |         listItemEl.appendChild(linkEl);
28 |         otherFrontendsListEl.appendChild(listItemEl);
29 |     }
30 | }
31 | 


--------------------------------------------------------------------------------
/static/index.html:
--------------------------------------------------------------------------------
1 | <!DOCTYPE html>
2 | <html>
3 |     <head>
4 |         <title>Redirecting to default theme...</title>
5 |         <meta http-equiv="refresh" content="0; URL=/timr/">
6 |     </head>
7 | </html>
8 | 


--------------------------------------------------------------------------------
/static/per_user_graph_example.html:
--------------------------------------------------------------------------------
  1 | <!DOCTYPE html>
  2 | <html>
  3 | 
  4 | <head>
  5 |     <title>Per User PPS Graph Example</title>
  6 | 
  7 |     <script type="text/javascript" src="https://unpkg.com/dygraphs@2.2.1/dist/dygraph.min.js"></script>
  8 |     <link rel="stylesheet" type="text/css" href="https://unpkg.com/dygraphs@2.2.1/dist/dygraph.min.css" />
  9 | 
 10 |     <style>
 11 |         body {
 12 |             padding: 5px 5px;
 13 |             background-color: #161616;
 14 |         }
 15 | 
 16 |         #container {
 17 |             position: relative;
 18 |             width: 100%;
 19 |         }
 20 | 
 21 |         #graph-container{
 22 |             max-width: 100%;
 23 |             min-width: 100%;
 24 |         }
 25 | 
 26 |         /* Source for impromptu Dark Mode: https://github.com/mpx200/ng-dygraphs/issues/34#issuecomment-840028617 */
 27 |         /* Chart background */
 28 |         /* Legend */
 29 |         #graph-legend {
 30 |         color: #fff ;
 31 |         }
 32 | 
 33 |         /* Title: */
 34 |         .dygraph-label, .dygraph-title{
 35 |         color:#fff;
 36 |         }
 37 |         /* x-axis label: */ 
 38 |         .dygraph-label, .dygraph-xlabel{
 39 |         color:#fff;
 40 |         }
 41 |         /* y-axis label: */ 
 42 |         .dygraph-label, .dygraph-ylabel{
 43 |         color:#fff;
 44 |         }
 45 |         /* y2-axis label: */
 46 |         .dygraph-label, .dygraph-y2label{
 47 |         color:#fff;
 48 |         }
 49 |         /* x-axis label: */
 50 |         .dygraph-axis-label, .dygraph-axis-label-x{
 51 |         color:#fff;
 52 |         }
 53 |         /* y-axis label: */ 
 54 |         .dygraph-axis-label, .dygraph-axis-label-y{
 55 |         color:#fff;
 56 |         }
 57 |         /* y2-axis label */
 58 |         .dygraph-axis-label, .dygraph-axis-label-y, .dygraph-axis-label-y2{
 59 |         color:#fff;
 60 |         }
 61 |     </style>
 62 | </head>
 63 | 
 64 | <body>
 65 |     <div id="container">
 66 |         <div id="graph-container"></div>
 67 |         <div id="graph-legend"></div>
 68 |     </div>
 69 | 
 70 |     <script type="text/javascript">
 71 |         function formatNumber(number, padToMinDigits) {
 72 |             let numberStrRev = (number + "").split("").reverse().join("");
 73 |             while (numberStrRev.length < padToMinDigits) numberStrRev += "0";
 74 |             let newNumberStrRev = "";
 75 |             for (const i in numberStrRev) {
 76 |                 if (i > 0 && i % 3 == 0) newNumberStrRev += ",";
 77 |                 newNumberStrRev += numberStrRev[i];
 78 |             }
 79 |             return newNumberStrRev.split("").reverse().join("");
 80 |         }
 81 | 
 82 |         // Establish a WebSocket connection
 83 |         document.addEventListener("DOMContentLoaded", () => {
 84 |             const socket = new WebSocket((document.location.protocol === "https:" ? "wss://" : "ws://") + document.location.host + "/ws");
 85 | 
 86 |             const userIds = [];
 87 | 
 88 |             // Create a Dygraph instance with an empty dataset
 89 |             const graph = new Dygraph(document.getElementById('graph-container'), [], {
 90 |                 width: "100%",
 91 |                 labels: ['Time', ...userIds],
 92 |                 stackedGraph: true,
 93 |                 //drawPoints: true,
 94 |                 //showRoller: true,
 95 |                 valueRange: null, // Allow Dygraph to automatically determine the Y-axis scale
 96 |                 labelsDiv: "graph-legend",
 97 |                 labelsSeparateLines: true,
 98 |                 labelsShowZeroValues: false,
 99 |                 // Some green while reducing the S of HSV by 10 each:
100 |                 colors: [ "#00ff32", "#19ff47", "#33ff5b", "#4dff70", "#66ff84", "#80ff99" ],
101 | 
102 |                 // Make numbers look nicer by formatting them
103 |                 valueFormatter: (value, opts, seriesName, dygraphInstance, row, column) => {
104 |                     if(column === 0) return new Date(value).toISOString();
105 |                     return formatNumber(value);
106 |                 },
107 |                 axes: {
108 |                     y: {
109 |                         axisLabelFormatter: (value) => formatNumber(value),
110 |                     }
111 |                 }
112 |             });
113 | 
114 |             // Handle WebSocket open event
115 |             socket.onopen = () => {
116 |                 socket.send(JSON.stringify({ request: "pps_updates", enabled: true }));
117 |                 console.log('WebSocket connection established.');
118 |             };
119 | 
120 |             const slidingWindowDuration = 60 * 1000; // 60 Seconds
121 | 
122 |             // Handle WebSocket message event
123 |             socket.onmessage = (event) => {
124 |                 // Parse the received data (assuming it's in JSON format)
125 |                 const receivedData = JSON.parse(event.data)["per_user_pps"];
126 | 
127 |                 // Get the current date and time
128 |                 const currentTime = new Date();
129 | 
130 |                 let changedLabel = false;
131 |                 let lastUserIdsLength = userIds.length;
132 |                 // Add missing userIds to label
133 |                 for (const userId in receivedData) {
134 |                     if(!userIds.includes(userId)) {
135 |                         userIds.push(userId);
136 |                         changedLabel = true;
137 |                     }
138 |                 }
139 | 
140 |                 // Compact the legend if total user ids just went over 30
141 |                 if(lastUserIdsLength <= 30 && userIds.length > 30) {
142 |                     graph.updateOptions({
143 |                         labelsSeparateLines: true,
144 |                     });
145 |                 }
146 | 
147 |                 // Generate an array of data points for the Dygraph chart
148 |                 const dataPoints = [currentTime];
149 |                 for(const expectedUserId of userIds) {
150 |                     dataPoints.push(receivedData[expectedUserId] || 0);
151 |                 }
152 | 
153 |                 // Append the new data point to the Dygraph dataset
154 |                 if (changedLabel) graph.updateOptions({ labels: ["Time", ...userIds] });
155 |                     // Calculate the start time for the sliding window
156 |                 const startTime = currentTime - slidingWindowDuration;
157 | 
158 |                 let file = graph.file_;
159 |                 // Fill past dataPoints with 0 to match size of current dataPoints
160 |                 for(const oldDataPoints of file) {
161 |                     while (oldDataPoints.length < dataPoints.length)
162 |                         oldDataPoints.push(0);
163 |                 }
164 | 
165 |                 // Remove old entries (older than 2x slidingWindowDuration)
166 |                 while(file.length > 0 && file[0][0] < currentTime - slidingWindowDuration * 2) {
167 |                     file.splice(0, 1);
168 |                 }
169 | 
170 |                 // Set the date window to display the sliding window duration
171 |                 graph.updateOptions({
172 |                     file: file.concat([dataPoints]),
173 |                     dateWindow: [startTime, currentTime],
174 |                 });
175 |             };
176 | 
177 |             // Handle WebSocket close event
178 |             socket.onclose = () => {
179 |                 console.log('WebSocket connection closed.');
180 |             };
181 |         });
182 | </script>
183 | </body>
184 | 
185 | </html>
186 | 


--------------------------------------------------------------------------------
/static/prefix.js:
--------------------------------------------------------------------------------
 1 | document.addEventListener("DOMContentLoaded", updatePrefix);
 2 | 
 3 | async function updatePrefix() {
 4 |     const serverConfig = await (await fetch("/serverconfig.json")).json();
 5 |     if (serverConfig["public_prefix"] !== null) {
 6 |         const prefixEl = document.getElementById("ipv6-prefix");
 7 |         prefixEl.innerText = serverConfig["public_prefix"];
 8 |     } else {
 9 |         console.log("No public prefix was specified!");
10 |     }
11 | }
12 | 


--------------------------------------------------------------------------------
/static/timr/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="en">
 3 | 
 4 | <head>
 5 |     <meta charset="UTF-8">
 6 |     <link rel='stylesheet' href='styles.css' />
 7 |     <link rel='stylesheet' href='../censor.css' />
 8 |     <title>Place IPv6</title>
 9 |     <!-- <script src="chart.js"></script> -->
10 |     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
11 |     <script src="script.js"></script>
12 |     <script src="warning.js"></script>
13 |     <script src="../prefix.js"></script>
14 |     <script src="../frontends.js"></script>
15 |     <script src="../censor.js"></script>
16 | </head>
17 | 
18 | <body>
19 |     <div id="container">
20 |         <div id="main">
21 |             <h1>Place:
22 |                 <a href="https://github.com/serverscanning/place-ipv6-server/" target="_blank">IPv6v2</a></h1>
23 |             <h2>(EnderKill98's rewrite of Alula's rewrite)</h2>
24 |             <p>Place pixels on canvas by pinging IPs:</p>
25 |             <h3><span title="The first 4 segments (of probably this same server)"
26 |                     id="ipv6-prefix">PPPP:PPPP:PPPP:PPPP</span>:<span
27 |                     title="The size of affected pixels. Use 1 for 1x1 and 2 for 2x2."
28 |                     id="ipv6-size">S</span><span
29 |                     title="The X and Y coordinates of the pixel(s) you want to change."
30 |                     id="ipv6-coords"><span
31 |                     id="ipv6-coords-x">XXX</span>:<span
32 |                     id="ipv6-coords-y">YYYY</span></span>:<span
33 |                     title="The color the pixel(s) should turn into."
34 |                     id="ipv6-colors"><span
35 |                     id="ipv6-colors-red">RR</span>:<span
36 |                     id="ipv6-colors-green">GG</span><span
37 |                     id="ipv6-colors-blue">BB</span></span> - <span
38 |                     title="Not me, but you get the idea it seems!"
39 |                     id="ipv6-more">(hover&nbsp;to&nbsp;see&nbsp;more)</span></h3>
40 |             <div id="cont">
41 |                 <a title="Canvas" download="canvas.png" href="/canvas.png">
42 |                      <canvas id="canvas" width="512" height="512"></canvas>
43 |                 </a>
44 |             </div>
45 |             <span id="other-frontends">Other frontends: <ul id="other-frontends-list"></ul></span>
46 |             <p>Join us on <a href="https://discord.gg/2Um4vsS5Dc" target="_blank">Discord</a>
47 |                 ~ Hosted by <a href="https://github.com/EnderKill98" target="_blank">EnderKill98</a></p>
48 |              <p>Originally very dumb thing by <a href="//ziad87.net">ziad87</a></p>
49 | 
50 |             <div id="phackerstyle">
51 |                 <a title="Stats" href="/per_user_graph_example.html">
52 |                     <div id="canvas-pps"></div>
53 |                     <canvas id="c6"></canvas>
54 |                 </a>
55 |             </div>
56 |         </div>
57 |     </div>
58 |     <div id="warn">
59 |         <div id="warn-inner" style="border: 2px solid black;">
60 |             <h1>Explicit Content Warning</h1>
61 |             <p>The contents of this canvas are unmoderated.</p>
62 |             <p>It may have offensive or pornographic content.</p>
63 |             <input type="button" class="click" value="I understand ☛" onclick="changeSeenDisclaimer()">
64 |         </div>
65 |     </div>
66 | </body>
67 | 
68 | </html>
69 | 


--------------------------------------------------------------------------------
/static/timr/script.js:
--------------------------------------------------------------------------------
  1 | document.addEventListener('DOMContentLoaded', subscribeToCanvas);
  2 | 
  3 | pps = 0;
  4 | graphCounter = 0;
  5 | user_id = null;
  6 | user_ip = null;
  7 | 
  8 | async function getID() {
  9 |     const id = await (await fetch('/my_user_id')).json();
 10 |     if (id['ip'] !== null && id['user_id'] !== null) {
 11 |         user_id = id['user_id'];
 12 |         user_ip = id['ip'];
 13 |     } else {
 14 |         user_id = null;
 15 |         user_ip = null;
 16 |     }
 17 |     console.log('my_user_id: ' + user_id + ' from ' + user_ip);
 18 | }
 19 | 
 20 | function canvasXY() {
 21 |     const canvasEl = document.getElementById('canvas');
 22 |     canvasEl.addEventListener('mousemove', (e) => {
 23 |         x = Math.round(e.offsetX * e.target.width / e.target.clientWidth);
 24 |         y = Math.round(e.offsetY * e.target.height / e.target.clientHeight);
 25 |         document.getElementById('ipv6-size').innerText = '1';
 26 |         document.getElementById('ipv6-coords-x').innerText = x.toString(16).padStart(3,'0');
 27 |         document.getElementById('ipv6-coords-y').innerText = y.toString(16);
 28 |         pixel = document.getElementById('canvas').getContext('2d').getImageData(x, y, 1, 1).data;
 29 |         document.getElementById('ipv6-colors-red').innerText = pixel[0].toString(16);
 30 |         document.getElementById('ipv6-colors-green').innerText = pixel[1].toString(16);
 31 |         document.getElementById('ipv6-colors-blue').innerText = pixel[2].toString(16).padStart(2,'0');
 32 |         document.getElementById('canvas').setAttribute( 'title', 'Canvas: ' +
 33 |                 x + 'x' + y + ' #' +
 34 |                 pixel[0].toString(16).padStart(2,'0') +
 35 |                 pixel[1].toString(16).padStart(2,'0') +
 36 |                 pixel[2].toString(16).padStart(2,'0'));
 37 |     });
 38 |     canvasEl.addEventListener('mouseout', (e) => {
 39 |         document.getElementById('canvas').setAttribute( 'title', 'Canvas');
 40 |         document.getElementById('ipv6-coords-x').innerText = 'XXX';
 41 |         document.getElementById('ipv6-coords-y').innerText = 'YYYY';
 42 |         document.getElementById('ipv6-size').innerText = 'S';
 43 |         document.getElementById('ipv6-colors-red').innerText = 'RR';
 44 |         document.getElementById('ipv6-colors-green').innerText = 'GG';
 45 |         document.getElementById('ipv6-colors-blue').innerText = 'BB';
 46 |     });
 47 | }
 48 | 
 49 | async function resizeCanvas() {
 50 |     const serverConfig = await (await fetch('/serverconfig.json')).json();
 51 |     if (serverConfig['width'] !== null && serverConfig['height'] !== null) {
 52 |          document.getElementById('canvas').width = serverConfig['width'];
 53 |          document.getElementById('canvas').height = serverConfig['height'];
 54 |          document.getElementById('ipv6-coords').setAttribute( 'title',
 55 |                  'The X and Y coordinates of the pixel(s) you want to change. ' +
 56 |                  'Canvas resolution is ' +
 57 |                  serverConfig['width'] + 'x' +
 58 |                  serverConfig['height']);
 59 |          console.log('Canvas sized to ' + serverConfig['width'] + 'x' + serverConfig['height']);
 60 |     } else {
 61 |         console.log('No width/height in serverconfig.json!');
 62 |     }
 63 | }
 64 | 
 65 | function tmGraph(cvs2, w, h, bs, bsy, gf, fg, df, dataFunction){
 66 |     let WIDTH = cvs2.width = w;
 67 |     let HEIGHT = cvs2.height = h;
 68 |     const DIFF = df;
 69 |     let BOX_SIZE = bs;
 70 |     let BOX_SIZEY = bsy;
 71 |     const GRAPHCOLOR = gf;
 72 |     const LINECOLOR = fg;
 73 | 
 74 |     cvs2.style.imageRendering = 'pixelated';
 75 |     let ctx2 = cvs2.getContext('2d');
 76 | 
 77 |     let graphHistory = (new Array(WIDTH)).fill([0,0]);
 78 | 
 79 |     function pushGraphHistory(y){
 80 |         graphHistory.push(y);
 81 |         if (graphHistory.length > WIDTH)
 82 |             graphHistory.shift();
 83 |     }
 84 | 
 85 |     function getLine(x1, y1, x2, y2) {
 86 |         let coords = new Array();
 87 |         let dx = Math.abs(x2 - x1);
 88 |         let dy = Math.abs(y2 - y1);
 89 |         let sx = (x1 < x2) ? 1 : -1;
 90 |         let sy = (y1 < y2) ? 1 : -1;
 91 |         let err = dx - dy;
 92 |         coords.push([x1, y1]);
 93 |         while (!((x1 == x2) && (y1 == y2))) {
 94 |             let e2 = err << 1;
 95 |             if (e2 > -dy) {
 96 |                 err -= dy;
 97 |                 x1 += sx;
 98 |             }
 99 |             if (e2 < dx) {
100 |                 err += dx;
101 |                 y1 += sy;
102 |             }
103 |             coords.push([x1, y1]);
104 |         }
105 |         return coords;
106 |     }
107 | 
108 |     function drawCoordsArr(arr){
109 |         for (let a of arr){
110 |             ctx2.fillRect(a[0], a[1], 1, 1);
111 |         }
112 |     }
113 | 
114 |     function draw(){
115 |         // Add data
116 |         let data = dataFunction(graphCounter);
117 |         pushGraphHistory(data);
118 | 
119 |         // Clear graph
120 |         ctx2.fillStyle = '#000000';
121 |         ctx2.fillRect(0, 0, WIDTH, HEIGHT);
122 |         graphCounter++;
123 | 
124 |         // Draw graph paper
125 |         ctx2.fillStyle = GRAPHCOLOR;
126 |         for (let i = 0; i < HEIGHT; i++){
127 |             (i + 1) % BOX_SIZEY === 0 && i != HEIGHT - 1 && ctx2.fillRect(0, i, WIDTH, 1);
128 |         }
129 |         for (let i = 0; i < WIDTH; i++){
130 |             (i + graphCounter * DIFF) % BOX_SIZE === 0 && ctx2.fillRect(i, 0, 1, HEIGHT);
131 |         }
132 | 
133 |         // Draw graph lines
134 |         let rVal1 = null;
135 |         let rVal2 = null;
136 |         let maxPps = 0;
137 |         let maxWs = 10
138 |         for (const graphEntry of graphHistory) {
139 |             if (graphEntry[0] > maxPps)
140 |                 maxPps = graphEntry[0];
141 |             if (graphEntry[1] > maxWs)
142 |                 maxWs = graphEntry[1];
143 |         }
144 |         graphHistory.reverse();
145 |         for (let a in graphHistory) {
146 |             ctx2.fillStyle = 'teal';
147 |             let x2 = WIDTH - ((a) * DIFF);
148 |             if (x2 <= 2)
149 |                 continue;
150 |             let val = graphHistory[a][1];
151 |             let valA = HEIGHT - Math.floor(val / (maxWs + ~~(maxWs/10)) * HEIGHT);
152 |             if (isNaN(valA) || (valA >= HEIGHT) || (valA < 0))
153 |                 valA = HEIGHT - 1;
154 |             rVal2 && drawCoordsArr(getLine(rVal2[0], rVal2[1], x2, valA));
155 |             rVal2 = [x2, valA];
156 | 
157 |             ctx2.fillStyle = 'red';
158 |             let x1 = WIDTH - ((a) * DIFF);
159 |             if (x1 <= 2)
160 |                 continue;
161 |             val = graphHistory[a][0];
162 |             valA = HEIGHT - Math.floor(val / (maxPps + ~~(maxPps/10)) * HEIGHT);
163 |             if (isNaN(valA) || (valA >= HEIGHT) || (valA < 0))
164 |                 valA = HEIGHT - 1;
165 |             rVal1 && drawCoordsArr(getLine(rVal1[0], rVal1[1], x1, valA));
166 |             rVal1 = [x1, valA];
167 |         }
168 |         graphHistory.reverse();
169 |     }
170 | 
171 |     return draw;
172 | }
173 | 
174 | function subscribeToCanvas() {
175 |     const canvasEl = document.getElementById('canvas');
176 |     const canvasCtx = canvasEl.getContext('2d', { willReadFrequently: true });
177 |     const canvasPpsEl = document.getElementById('canvas-pps');
178 |     let dr = false;
179 | 
180 |     console.log('Websocket: Connecting...');
181 |     canvasPpsEl.innerText = 'Connecting...';
182 |     resizeCanvas();
183 |     canvasXY();
184 |     getID();
185 | 
186 |     const ws = new WebSocket((document.location.protocol === 'https:' ? 'wss://' : 'ws://') + document.location.host + '/ws');
187 |     ws.binaryType = 'blob';
188 |     ws.onopen = (event) => {
189 |         console.log('Websocket: Connected');
190 |         canvasPpsEl.innerText = 'Connected';
191 | 
192 |         ws.send(JSON.stringify({ request: 'nudity_updates', enabled: true }));
193 |         ws.send(JSON.stringify({ request: 'get_nudity_update_once' }));
194 |         ws.send(JSON.stringify({ request: 'delta_canvas_stream', enabled: true }));
195 |         ws.send(JSON.stringify({ request: 'get_full_canvas_once' }));
196 |         ws.send(JSON.stringify({ request: 'pps_updates', enabled: true }));
197 |         ws.send(JSON.stringify({ request: 'ws_count_updates', enabled: true }));
198 |         ws.send(JSON.stringify({ request: 'get_ws_count_update_once' }));
199 | 
200 |         dr = tmGraph(document.querySelector('#c6'), 800, 79, 25, 25, '#008040', 'red', 2, (gc)=>{
201 |                 return [pps, ws_count];
202 |         }, [], true);
203 | 
204 |     };
205 | 
206 |     const visibilityChangeHandler = (event) => {
207 |         if (document.visibilityState === 'visible') {
208 |             ws.send(JSON.stringify({ request: 'delta_canvas_stream', enabled: true }));
209 |             ws.send(JSON.stringify({ request: 'get_full_canvas_once' }));
210 |             console.log('Document became visible again. Enabled receiving delta frames again and requested a full canvas.');
211 |         } else {
212 |             ws.send(JSON.stringify({ request: 'delta_canvas_stream', enabled: false }));
213 |             console.log('Document invisible. Disabled receiving delta frame updates.');
214 |         }
215 |     };
216 |     document.addEventListener('visibilitychange', visibilityChangeHandler);
217 | 
218 |     let didError = false;
219 |     ws.onerror = (event) => {
220 |         console.log('Websocket: Error!');
221 |         didError = true;
222 |         ws.close();
223 |     };
224 | 
225 |     ws.onclose = (event) => {
226 |         document.removeEventListener('visibilitychange', visibilityChangeHandler);
227 |         console.log('Websocket: Closed. Reconnecting in 3s...');
228 |         canvasPpsEl.innerText = (didError ? 'Error!' : 'Lost connection!') + ' Attempting to reconnect in 3s...';
229 |         setTimeout(subscribeToCanvas, 3000);
230 |     }
231 | 
232 |     let ppsEntries = [];
233 |     let ws_count = 1;
234 |     let ws_max = ws_count;
235 |     let width = document.querySelector('#c6').width;
236 | 
237 |     ws.onmessage = async (event) => {
238 |         if (event.data instanceof Blob) {
239 |             let imageBitmap = await createImageBitmap(event.data);
240 |             canvasCtx.drawImage(imageBitmap, 0, 0);
241 |         } else if(typeof(event.data) === 'string') {
242 |             let wsMessage = JSON.parse(event.data);
243 |             //console.log(wsMessage)
244 |             if (wsMessage.message === 'pps_update') {
245 |                 ppsEntries.push(wsMessage.pps);
246 |                 pps = wsMessage.pps;
247 |                 while (ppsEntries.length > width)
248 |                     ppsEntries.splice(0, 1);
249 |                 let maxPps = 0;
250 |                 for (const ppsEntry of ppsEntries)
251 |                     if (ppsEntry > maxPps)
252 |                         maxPps = ppsEntry;
253 |                 canvasPpsEl.innerHTML = 'Current / Max: </br>' +
254 |                         '<div style="color:red;">PPS: ' + formatNumber(pps, digits(maxPps)) +
255 |                         ' / ' + formatNumber(maxPps, 0) + '</div>' +
256 |                         '<div style="color:teal;">Viewers: ' + ws_count + ' / ' + ws_max + '</div>';
257 |                 if (dr) dr();
258 |             } else if (wsMessage.message === 'ws_count_update') {
259 |                 ws_count = wsMessage.ws_connections;
260 |                 if (ws_count > ws_max)
261 |                     ws_max = ws_count;
262 |                 //console.log('WSC: ' + ws_count + ' / ' + ws_max);
263 |             } else if (wsMessage.message === 'nudity_update') {
264 |                 if (wsMessage.is_nude) {
265 |                     console.log("WARN: The server reports the image is/became nude!");
266 |                     censorCanvas("The server detected nudity!");
267 |                 } else {
268 |                     console.log("The server reports the image not nude (anymore).");
269 |                     uncensorCanvas();
270 |                 }
271 |             }
272 |         } else {
273 |             console.error('Received invalid type ws data: ' + typeof (event.data));
274 |         }
275 |     }
276 | }
277 | 
278 | function digits(number) {
279 |     return Math.floor(Math.log10(number) + 1);
280 | }
281 | 
282 | function formatNumber(number, padToMinDigits) {
283 |     let numberStrRev = (number + '').split('').reverse().join('');
284 |     while (numberStrRev.length < padToMinDigits) numberStrRev += '0';
285 |     let newNumberStrRev = '';
286 |     for (const i in numberStrRev) {
287 |         if (i > 0 && i % 3 == 0) newNumberStrRev += ',';
288 |         newNumberStrRev += numberStrRev[i];
289 |     }
290 |     return newNumberStrRev.split('').reverse().join('');
291 | }
292 | 


--------------------------------------------------------------------------------
/static/timr/styles.css:
--------------------------------------------------------------------------------
  1 | :root {
  2 |     --primary-color: #00f6ff;
  3 |     --text-primary-color: #a7fcff;
  4 |     --text-second-color: #a7fcff;
  5 |     --text-ipv6-prefix-color: #a7fcff;
  6 |     --text-ipv6-size-color: #fffba7;
  7 |     --text-ipv6-x-color: #ffa7ef;
  8 |     --text-ipv6-y-color: #b8a7ff;
  9 |     --text-ipv6-red-color: #ffa7af;
 10 |     --text-ipv6-green-color: #b3ffa7;
 11 |     --text-ipv6-blue-color: #a7b2ff;
 12 |     --text-muted-color: #007c81dd;
 13 |     --bg-color: #004b4e;
 14 | }
 15 | 
 16 | * {
 17 |   font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
 18 |     "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
 19 |   image-rendering: pixelated;
 20 |   box-sizing: border-box;
 21 | }
 22 | 
 23 | body {
 24 |   margin: 0;
 25 |   color: white;
 26 | }
 27 | 
 28 | #main {
 29 |   margin: auto;
 30 |   padding: 10px;
 31 |   text-align: center;
 32 | }
 33 | 
 34 | #container {
 35 |   width: 100%;
 36 |   min-height: 100%;
 37 |   position: absolute;
 38 |   background: linear-gradient(#111, #222);
 39 | }
 40 | 
 41 | #warn {
 42 |   position: absolute;
 43 |   width: 100%;
 44 |   height: 100%;
 45 |   background: rgba(0, 0, 0, 0.75);
 46 |   backdrop-filter: blur(20px);
 47 |   display: flex;
 48 |   align-items: center;
 49 |   justify-content: center;
 50 | }
 51 | 
 52 | #warn-inner {
 53 |   background: linear-gradient(#300, #400);
 54 |   max-width: 500px;
 55 |   padding: 10px 20px;
 56 |   text-align: center;
 57 | }
 58 | 
 59 | h1,
 60 | h2,
 61 | h4 {
 62 |   font-weight: normal;
 63 | }
 64 | 
 65 | p,
 66 | h1,
 67 | h2,
 68 | h4 {
 69 |   margin: 5px;
 70 | }
 71 | 
 72 | a,
 73 | a:visited {
 74 |   color: #ccf;
 75 | }
 76 | 
 77 | #ipv6-prefix:hover, #ipv6-size:hover, #ipv6-coords:hover, #ipv6-colors:hover, #ipv6-more:hover {
 78 |     border-bottom: dotted 2px var(--text-muted-color);
 79 | }
 80 | 
 81 | #ipv6-prefix {
 82 |     color: var(--text-ipv6-prefix-color);
 83 | }
 84 | 
 85 | #ipv6-size {
 86 |     color: var(--text-ipv6-size-color);
 87 | }
 88 | #ipv6-coords-x {
 89 |     color: var(--text-ipv6-x-color);
 90 | }
 91 | 
 92 | #ipv6-coords-y {
 93 |     color: var(--text-ipv6-y-color);
 94 | }
 95 | 
 96 | #ipv6-colors-red {
 97 |     color: var(--text-ipv6-red-color);
 98 | }
 99 | 
100 | #ipv6-colors-green {
101 |     color: var(--text-ipv6-green-color);
102 | }
103 | 
104 | #ipv6-colors-blue {
105 |     color: var(--text-ipv6-blue-color);
106 | }
107 | 
108 | #ipv6 > #ipv6-prefix:hover ~ #ipv6-more {
109 |     color: var(--text-muted-color) !important;
110 |     text-decoration: underline;
111 | }
112 | 
113 | #canvas {
114 |   border: 2px solid black;
115 |   box-shadow: 3px 3px #000;
116 |   width: 768px;
117 |   height: 768px;
118 | }
119 | 
120 | #phackerstyle {
121 |   margin-top: 20px;
122 |   margin-left: auto;
123 |   margin-right: auto;
124 |   position: relative;
125 |   overflow: hidden;
126 |   height: 80px;
127 |   width: 800px;
128 | }
129 | 
130 | #canvas-pps {
131 |   position: absolute;
132 |   width: 800px;
133 |   height: 90px;
134 |   text-align: left;
135 |   padding: 6px;
136 |   background: linear-gradient(90deg, #000 0%, #000 15%, #0000 90%, #0000 100%);
137 |   top: 0px;
138 |   left: 0px;
139 |   border: none;
140 |   font-size: 14px;
141 |   color: white;
142 | }
143 | 
144 | #other-frontends {
145 |     margin-top: 5px;
146 |     font-size: 9pt;
147 |     color: var(--text-primary-color);
148 | }
149 | 
150 | #other-frontends-list {
151 |     padding: 0;
152 |     display: inline;
153 | }
154 | #other-frontends-list li {
155 |     display: inline;
156 |     content: ", "
157 | }
158 | #other-frontends-list li:last-child:after {
159 |     content: ""
160 | }
161 | #other-frontends-list li:after {
162 |     content: ", "
163 | }
164 | 
165 | @media (prefers-color-scheme: light) {
166 |   body {
167 |     color: black;
168 |   }
169 | 
170 |   #container {
171 |     background: linear-gradient(#c7e0da, rgb(131, 177, 169));
172 |   }
173 | 
174 |   #warn-inner {
175 |     background: linear-gradient(#faa, #fbb);
176 |   }
177 | 
178 |   a,
179 |   a:visited {
180 |     color: #22a;
181 |   }
182 | 
183 |   .c-yellow {
184 |     color: #f80;
185 |   }
186 | 
187 |   .c-cyan {
188 |     color: #088;
189 |   }
190 | 
191 |   .c-red {
192 |     color: #f00;
193 |   }
194 | 
195 |   .c-green {
196 |     color: #090;
197 |   }
198 | 
199 |   .c-blue {
200 |     color: #00f;
201 |   }
202 | }
203 | 


--------------------------------------------------------------------------------
/static/timr/warning.js:
--------------------------------------------------------------------------------
 1 | function changeSeenDisclaimer() {
 2 |     localStorage.setItem("accepted_explicit", true);
 3 |     document.getElementById('warn').style.display = "none";
 4 |     document.getElementById('main').style.display = "block";
 5 | }
 6 | 
 7 | window.addEventListener('DOMContentLoaded', () => {
 8 |     console.log("Start")
 9 |     if (localStorage["accepted_explicit"]) {
10 |         document.getElementById('warn').style.display = "none";
11 |         document.getElementById('main').style.display = "block";
12 |     }
13 | });
14 | 


--------------------------------------------------------------------------------
/static/ziad/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="en">
 3 | 
 4 | <head>
 5 |     <meta charset="UTF-8">
 6 |     <link rel='stylesheet' href='styles.css' />
 7 |     <link rel='stylesheet' href='../censor.css' />
 8 |     <title>Place IPv6</title>
 9 |     <script src="../prefix.js"></script>
10 |     <script src="../frontends.js"></script>
11 |     <script src="../censor.js"></script>
12 | </head>
13 | 
14 | <body>
15 |     <div id="container">
16 |         <div id="main">
17 |             <h1>Place: IPv6v2 (EnderKill98's Rust rewrite of Alula's Rust rewrite)</h1>
18 |             <p>Place down pixels on the canvas by pinging the below IP:</p>
19 | 	    <h2><span id="ipv6-prefix">PPPP:PPPP:PPPP:PPPP</span>:<span
20 |                     class="c-yellow">S</span><span class="c-cyan">XXX</span>:<span
21 |                     class="c-cyan">YYY</span>:<span class="c-red">RR</span>:<span class="c-green">GG</span><span
22 |                     class="c-blue">BB</span></h2>
23 |             <p>where XXX and YYY are coordinates, in hex numbers, from 0 to 512, S is either 1 or 2 (for 1x1 or 2x2
24 |                 pixels respectively), whereas RRGGBB make up a hex color.
25 |             </p>
26 |             <div id="cont">
27 |                 <canvas id="cvs" width="512" height="512"></canvas>
28 |             </div>
29 |             <span id="other-frontends">Other frontends: <ul id="other-frontends-list"></ul></span>
30 |             <p><a href="https://discord.gg/2Um4vsS5Dc" target="_blank">Join our Discord</a> ~ originally very dumb thing by <a
31 |                     href="//ziad87.net">ziad87</a> ~ Now Hosted by <a href="https://github.com/EnderKill98" target="_blank">EnderKill98</a> Open Source Here: <a href="https://github.com/serverscanning/place-ipv6-server/" target="_blank">On github</a></p>
32 | 
33 |             <div id="phackerstyle">
34 |                 <canvas id="c6"></canvas>
35 |                 <div id="pps"></div>
36 |             </div>
37 |         </div>
38 |     </div>
39 |     <div id="warn">
40 |         <div id="warn-inner" style="border: 2px solid black;">
41 |             <h1>Explicit Content Warning</h1>
42 |             <p>The contents of this canvas are entirely unmoderated.</p>
43 |             <p>It may contain something offensive or pornographic.</p>
44 |             <input type="button" class="click" value="I understand ☛" onclick="changeSeenDisclaimer()">
45 |         </div>
46 |     </div>
47 |     <script src="script.js"></script>
48 | </body>
49 | 
50 | </html>
51 | 


--------------------------------------------------------------------------------
/static/ziad/script.js:
--------------------------------------------------------------------------------
  1 | function changeSeenDisclaimer() {
  2 |   localStorage.setItem("accepted_explicit", true);
  3 |   document.getElementById('warn').style.display = "none";
  4 |   document.getElementById('main').style.display = "block";
  5 | }
  6 | 
  7 | document.addEventListener("DOMContentLoaded", subscribeToCanvas);
  8 | 
  9 | window.addEventListener('DOMContentLoaded', () => {
 10 |     console.log("Start")
 11 |     if (localStorage["accepted_explicit"]) {
 12 |         document.getElementById('warn').style.display = "none";
 13 |         document.getElementById('main').style.display = "block";
 14 |     }
 15 | });
 16 | 
 17 | maxPps = 0;
 18 | graphCounter = 0;
 19 | 
 20 | function tmGraph(cvs2, w, h, bs, bsy, gf, fg, df, dataFunction, gData = [], zeroGdata = false){
 21 |     let WIDTH = cvs2.width = w;
 22 |     let HEIGHT = cvs2.height = h;
 23 |     const DIFF = df;
 24 |     let BOX_SIZE = bs;
 25 |     let BOX_SIZEY = bsy;
 26 |     const GRAPHCOLOR = gf;
 27 |     const LINECOLOR = fg;
 28 | 
 29 |     cvs2.style.imageRendering = "pixelated";
 30 |     let ctx2 = cvs2.getContext('2d');
 31 | 
 32 |     let graphHistory = [...gData];
 33 |     if (graphHistory.length < (WIDTH/DIFF)+10 && zeroGdata){
 34 |         let amt = Math.round((WIDTH/DIFF)+10);
 35 |         graphHistory = [...(new Array(amt)).fill(1), ...gData]
 36 |     }
 37 | 
 38 |     function pushGraphHistory(y){
 39 |         graphHistory.push(y);
 40 |         if (graphHistory.length > (WIDTH/DIFF)+10) graphHistory.shift();
 41 |     }
 42 | 
 43 |     function getLine(x1, y1, x2, y2) {
 44 |         let coords = new Array();
 45 |         let dx = Math.abs(x2 - x1);
 46 |         let dy = Math.abs(y2 - y1);
 47 |         let sx = (x1 < x2) ? 1 : -1;
 48 |         let sy = (y1 < y2) ? 1 : -1;
 49 |         let err = dx - dy;
 50 |         coords.push([x1, y1]);
 51 |         while (!((x1 == x2) && (y1 == y2))) {
 52 |             let e2 = err << 1;
 53 |             if (e2 > -dy) {
 54 |                 err -= dy;
 55 |                 x1 += sx;
 56 |             }
 57 |             if (e2 < dx) {
 58 |                 err += dx;
 59 |                 y1 += sy;
 60 |             }
 61 |             coords.push([x1, y1]);
 62 |         }
 63 |         return coords;
 64 |     }
 65 | 
 66 |     function drawCoordsArr(arr){
 67 |         for (let a of arr){
 68 |             ctx2.fillRect(a[0], a[1], 1, 1);
 69 |         }
 70 |     }
 71 | 
 72 |     function draw(){
 73 |         // Add data
 74 |         let data = dataFunction(graphCounter);
 75 |         pushGraphHistory(data);
 76 | 
 77 |         // Clear graph
 78 |         ctx2.fillStyle = "#000000";
 79 |         ctx2.fillRect(0, 0, WIDTH, HEIGHT);
 80 |         graphCounter++;
 81 | 
 82 |         // Draw graph paper
 83 |         ctx2.fillStyle = GRAPHCOLOR;
 84 |         for (let i = 0; i < HEIGHT; i++){
 85 |             (i + 1) % BOX_SIZEY === 0 && i != HEIGHT - 1 && ctx2.fillRect(0, i, WIDTH, 1);
 86 |         }
 87 |         for (let i = 0; i < WIDTH; i++){
 88 |             (i + graphCounter * DIFF) % BOX_SIZE === 0 && ctx2.fillRect(i, 0, 1, HEIGHT);
 89 |         }
 90 | 
 91 |         // Draw graph lines
 92 |         ctx2.fillStyle = LINECOLOR;
 93 |         let rVal = null;
 94 |         graphHistory.reverse();
 95 |         for (let a in graphHistory){
 96 |             let x = WIDTH - ((a) * DIFF);
 97 |             if (x <= 2)
 98 |                 continue;
 99 |             let val = graphHistory[a];
100 |             let valA = HEIGHT - Math.floor(val / (maxPps + ~~(maxPps/10)) * HEIGHT);
101 |             if (isNaN(valA) || (valA >= HEIGHT) || (valA < 0))
102 |                 valA = HEIGHT - 1;
103 |             rVal && drawCoordsArr(getLine(rVal[0], rVal[1], x, valA));
104 |             rVal = [x, valA];
105 |         }
106 |         graphHistory.reverse();
107 |     }
108 | 
109 |     return draw;
110 | }
111 | 
112 | function subscribeToCanvas() {
113 |     const canvasEl = document.getElementById("cvs");
114 |     const canvasCtx = canvasEl.getContext("2d");
115 |     const canvasPpsEl = document.getElementById("pps");
116 |     let dr = false;
117 | 
118 |     console.log("Websocket: Connecting...");
119 |     canvasPpsEl.innerText = "Connecting...";
120 |     const ws = new WebSocket((document.location.protocol === "https:" ? "wss://" : "ws://") + document.location.host + "/ws");
121 |     ws.binaryType = "blob";
122 |     ws.onopen = (event) => {
123 |         console.log("Websocket: Connected");
124 |         canvasPpsEl.innerText = "Connected";
125 | 
126 |         ws.send(JSON.stringify({ request: 'nudity_updates', enabled: true }));
127 |         ws.send(JSON.stringify({ request: 'get_nudity_update_once' }));
128 |         ws.send(JSON.stringify({ request: "delta_canvas_stream", enabled: true }));
129 |         ws.send(JSON.stringify({ request: "get_full_canvas_once" }));
130 |         ws.send(JSON.stringify({ request: "pps_updates", enabled: true }));
131 | 
132 |         dr = tmGraph(document.querySelector('#c6'), 800, 79, 25, 25, "#008040", "lime", 2, (gc)=>{
133 |                 return maxPps;
134 |         }, [], true);
135 | 
136 |     };
137 | 
138 |     const visibilityChangeHandler = (event) => {
139 |         if (document.visibilityState === "visible") {
140 |             ws.send(JSON.stringify({ request: "delta_canvas_stream", enabled: true }));
141 |             ws.send(JSON.stringify({ request: "get_full_canvas_once" }));
142 |             console.log("Document became visible again. Enabled receiving delta frames again and requested a full canvas.");
143 |         } else {
144 |             ws.send(JSON.stringify({ request: "delta_canvas_stream", enabled: false }));
145 |             console.log("Document invisible. Disabled receiving delta frame updates.");
146 |         }
147 |     };
148 |     document.addEventListener("visibilitychange", visibilityChangeHandler);
149 | 
150 |     let didError = false;
151 |     ws.onerror = (event) => {
152 |         console.log("Websocket: Error!");
153 |         didError = true;
154 |         ws.close();
155 |     };
156 | 
157 |     ws.onclose = (event) => {
158 |         document.removeEventListener("visibilitychange", visibilityChangeHandler);
159 |         console.log("Websocket: Closed. Reconnecting in 3s...");
160 |         canvasPpsEl.innerText = (didError ? "Error!" : "Lost connection!") + " Attempting to reconnect in 3s...";
161 |         setTimeout(subscribeToCanvas, 3000);
162 |     }
163 | 
164 |     let ppsEntries = [];
165 | 
166 |     ws.onmessage = async (event) => {
167 |         if (event.data instanceof Blob) {
168 |             let imageBitmap = await createImageBitmap(event.data);
169 |             canvasCtx.drawImage(imageBitmap, 0, 0);
170 |         } else if(typeof(event.data) === "string") {
171 |             let wsMessage = JSON.parse(event.data);
172 |             if (wsMessage.message === "pps_update") {
173 |                 ppsEntries.push(wsMessage.pps);
174 |                 while (ppsEntries.length > 10)
175 |                     ppsEntries.splice(0, 1);
176 |                 maxPps = 0;
177 |                 for (const pps of ppsEntries)
178 |                     if (pps > maxPps)
179 |                         maxPps = pps;
180 |                 canvasPpsEl.innerHTML = "PPS </br>" + formatNumber(wsMessage.pps, digits(maxPps));
181 |                 if (dr) dr();
182 |             } else if (wsMessage.message === 'nudity_update') {
183 |                 if (wsMessage.is_nude) {
184 |                     console.log("WARN: The server reports the image is/became nude!");
185 |                     censorCanvas("The server detected nudity!", { canvasEl });
186 |                 } else {
187 |                     console.log("The server reports the image not nude (anymore).");
188 |                     uncensorCanvas();
189 |                 }
190 |             }
191 |         } else {
192 |             console.error("Received invalid type ws data: " + typeof (event.data));
193 |         }
194 |     }
195 | }
196 | 
197 | function digits(number) {
198 |     return Math.floor(Math.log10(number) + 1);
199 | }
200 | 
201 | function formatNumber(number, padToMinDigits) {
202 |     let numberStrRev = (number + "").split("").reverse().join("");
203 |     while (numberStrRev.length < padToMinDigits) numberStrRev += "0";
204 |     let newNumberStrRev = "";
205 |     for (const i in numberStrRev) {
206 |         if (i > 0 && i % 3 == 0) newNumberStrRev += ",";
207 |         newNumberStrRev += numberStrRev[i];
208 |     }
209 |     return newNumberStrRev.split("").reverse().join("");
210 | }
211 | 


--------------------------------------------------------------------------------
/static/ziad/styles.css:
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  1 | * {
  2 |   font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
  3 |     "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  4 |   image-rendering: pixelated;
  5 |   box-sizing: border-box;
  6 | }
  7 | 
  8 | body {
  9 |   margin: 0;
 10 |   color: white;
 11 | }
 12 | 
 13 | #main {
 14 |   margin: auto;
 15 |   padding: 10px;
 16 |   text-align: center;
 17 |   max-width: 900px;
 18 | }
 19 | 
 20 | #container {
 21 |   width: 100%;
 22 |   min-height: 100%;
 23 |   position: absolute;
 24 |   background: linear-gradient(#111, #222);
 25 | }
 26 | 
 27 | #warn {
 28 |   position: absolute;
 29 |   width: 100%;
 30 |   height: 100%;
 31 |   background: rgba(0, 0, 0, 0.75);
 32 |   backdrop-filter: blur(20px);
 33 |   display: flex;
 34 |   align-items: center;
 35 |   justify-content: center;
 36 | }
 37 | 
 38 | #warn-inner {
 39 |   background: linear-gradient(#300, #400);
 40 |   max-width: 500px;
 41 |   padding: 10px 20px;
 42 |   text-align: center;
 43 | }
 44 | 
 45 | .c-yellow {
 46 |   color: #ffa;
 47 | }
 48 | 
 49 | .c-cyan {
 50 |   color: #0ff;
 51 | }
 52 | 
 53 | .c-red {
 54 |   color: #faa;
 55 | }
 56 | 
 57 | .c-green {
 58 |   color: #afa;
 59 | }
 60 | 
 61 | .c-blue {
 62 |   color: #aaf;
 63 | }
 64 | 
 65 | h1,
 66 | h2,
 67 | h4 {
 68 |   font-weight: normal;
 69 | }
 70 | 
 71 | p,
 72 | h1,
 73 | h2,
 74 | h4 {
 75 |   margin: 5px;
 76 | }
 77 | 
 78 | a,
 79 | a:visited {
 80 |   color: #ccf;
 81 | }
 82 | 
 83 | #cvs {
 84 |   border: 2px solid black;
 85 |   box-shadow: 3px 3px #000;
 86 | }
 87 | 
 88 | #phackerstyle {
 89 |   margin-top: 20px;
 90 |   position: relative;
 91 |   overflow: hidden;
 92 |   height: 80px;
 93 | }
 94 | 
 95 | #phackerstyle div {
 96 |   color: white;
 97 |   width: 400px;
 98 |   height: 80px;
 99 |   background: linear-gradient(90deg, #000 0%, #000 15%, #0000 30%, #0000 100%);
100 |   top: 0px;
101 |   left: 0px;
102 |   display: flex;
103 |   position: absolute;
104 | }
105 | 
106 | #phackerstyle div span {
107 |   display: block;
108 |   padding: 10px;
109 |   position: absolute;
110 |   top: 0px;
111 |   left: 0px;
112 |   font-size: 14px;
113 |   text-align: left;
114 | }
115 | 
116 | #phackerstyle canvas {
117 |   position: absolute;
118 |   top: 0px;
119 |   right: 0px;
120 |   border: none;
121 | }
122 | 
123 | #other-frontends {
124 |     margin-top: 5px;
125 |     font-size: 9pt;
126 |     color: var(--text-primary-color);
127 | }
128 | 
129 | #other-frontends-list {
130 |     padding: 0;
131 |     display: inline;
132 | }
133 | #other-frontends-list li {
134 |     display: inline;
135 |     content: ", "
136 | }
137 | #other-frontends-list li:last-child:after {
138 |     content: ""
139 | }
140 | #other-frontends-list li:after {
141 |     content: ", "
142 | }
143 | 
144 | #pps {
145 |   text-align: left;
146 |   padding: 10px;
147 | }
148 | @media (prefers-color-scheme: light) {
149 |   body {
150 |     color: black;
151 |   }
152 | 
153 |   #container {
154 |     background: linear-gradient(#c7e0da, rgb(131, 177, 169));
155 |   }
156 | 
157 |   #warn-inner {
158 |     background: linear-gradient(#faa, #fbb);
159 |   }
160 | 
161 |   a,
162 |   a:visited {
163 |     color: #22a;
164 |   }
165 | 
166 |   .c-yellow {
167 |     color: #f80;
168 |   }
169 | 
170 |   .c-cyan {
171 |     color: #088;
172 |   }
173 | 
174 |   .c-red {
175 |     color: #f00;
176 |   }
177 | 
178 |   .c-green {
179 |     color: #090;
180 |   }
181 | 
182 |   .c-blue {
183 |     color: #00f;
184 |   }
185 | }
186 | 


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