├── injectURLProtocol.cy
├── LICENSE
└── README.md


/injectURLProtocol.cy:
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 1 | @import org.cycript.NSLog;
 2 | 
 3 | function loadURLProtocol() {
 4 |   @implementation InterceptURLProtocol : NSURLProtocol {}
 5 | 
 6 |   + (BOOL)canInitWithRequest:(NSURLRequest *)request {
 7 |     NSLog("Req: " + request.HTTPMethod + " " + request.URL +
 8 |           " Headers: " + request.allHTTPHeaderFields);
 9 | 
10 |     return NO;
11 |   }
12 | 
13 |   @end
14 | }
15 | 
16 | function injectURLProtocol() {
17 |   try {
18 |     [InterceptURLProtocol class];
19 |   } catch (e) {
20 |     loadURLProtocol();
21 |   }
22 | 
23 |   [NSURLProtocol registerClass:[InterceptURLProtocol class]];
24 |   NSLog("Injected custom NSURLProtocol");
25 | }
26 | 
27 | injectURLProtocol();
28 | 


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/LICENSE:
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 1 | Copyright (c) 2016 Keith Smiley (http://keith.so)
 2 | 
 3 | Permission is hereby granted, free of charge, to any person obtaining a copy of
 4 | this software and associated documentation files (the 'Software'), to deal in
 5 | the Software without restriction, including without limitation the rights to
 6 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 7 | the Software, and to permit persons to whom the Software is furnished to do so,
 8 | subject to the following conditions:
 9 | 
10 | The above copyright notice and this permission notice shall be included in all
11 | copies or substantial portions of the Software.
12 | 
13 | THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
15 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
16 | COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
17 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
18 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19 | 


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/README.md:
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 1 | # injectURLProtocol
 2 | 
 3 | This is a simple [cycript][cycript] script for injecting a custom
 4 | [`NSURLProtocol`][protocol] that logs every HTTP request.
 5 | 
 6 | ## Installation
 7 | 
 8 | Install [cycript][cycript]. If you'd like to use [homebrew][brew]
 9 | instead you can use [my tap][tap] with:
10 | 
11 | ```sh
12 | $ brew install keith/formulae/cycript
13 | ```
14 | 
15 | Then copy `injectURLProtocol.cy` to somewhere you can reference it.
16 | 
17 | ## Usage
18 | 
19 | Run the script in the process in question:
20 | 
21 | ```sh
22 | $ cycript -p APPLICATION injectURLProtocol.cy
23 | ```
24 | 
25 | Then open Console.app to see messages formatted like this:
26 | 
27 | ```
28 | 1/1/70 00:00:00.000 Slack[83206]: Req: POST https://slack.com/api/api.test?error= Headers: {
29 |     "Content-Type" = "application/x-www-form-urlencoded";
30 |     Origin = "file://";
31 |     "User-Agent" = "...";
32 | }
33 | ```
34 | 
35 | **NOTE**: To make it easier to just see these requests, you can filter
36 | by searching for `Req:`
37 | 
38 | ## Alternatives
39 | 
40 | Depending on what else you're doing with cycript, you might actually be
41 | better off using [`CFNETWORK_DIAGNOSTICS`][cfnetwork] which can provide
42 | similar functionality without any addition configuration. You can simple
43 | using this environment variable when launching the binary in question
44 | like this:
45 | 
46 | ```sh
47 | $ CFNETWORK_DIAGNOSTICS=3 path/to/binary
48 | ```
49 | 
50 | ### Warning
51 | 
52 | This script could print sensitive information into your console. Be
53 | careful out there!
54 | 
55 | [brew]: http://brew.sh/
56 | [cfnetwork]: https://developer.apple.com/library/mac/qa/qa1887/_index.html
57 | [cycript]: http://www.cycript.org/
58 | [protocol]: https://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Classes/NSURLProtocol_Class/index.html
59 | [tap]: https://github.com/keith/homebrew-formulae
60 | 


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