├── .gitattributes ├── .gitignore ├── LICENSE ├── Makefile ├── README.md ├── boilerplate.go ├── contributing.md ├── download.go ├── fonts ├── noto │ ├── LICENSE │ ├── NotoSans-Bold.ttf │ └── NotoSans-Regular.ttf └── xkcd │ ├── LICENSE │ └── xkcd.ttf ├── go.mod ├── go.sum ├── install.sh ├── main.go ├── pic.png ├── screen.go ├── screen_rmpp.go ├── services ├── cah.service ├── dilbert.service ├── loremflickr.service ├── nyt-hq.service ├── nyt.service ├── picsum.service ├── uk_tg.service ├── unsplash.service ├── wp.service └── xkcd.service ├── sources.go └── wifi.go /.gitattributes: -------------------------------------------------------------------------------- 1 | *.ttf !text !filter !merge !diff 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | renews.service 2 | renews.arm 3 | renews.x86 4 | release.zip 5 | *png 6 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 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. 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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 | remarkable_news - suspend screen tool for reMarkable tablet 635 | Copyright (C) 2019 Evan Widloski 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 . 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 | remarkable_news Copyright (C) 2019 Evan Widloski 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 | . 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 | . 675 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | .ONESHELL: 2 | .SHELLFLAGS = -ec 3 | .SILENT: 4 | 5 | host=10.11.99.1 6 | cooldown=3600 7 | 8 | version := $(shell go list | cut -d / -f 4) 9 | 10 | renews.arm: 11 | go get ./... 12 | env GOOS=linux GOARCH=arm GOARM=7 go build -o renews.arm 13 | 14 | renews.arm64: 15 | go get ./... 16 | env GOOS=linux GOARCH=arm64 go build -tags "rmpp" -o renews.arm64 17 | 18 | renews.x86: 19 | go get ./... 20 | go build -o renews.x86 21 | 22 | # get latest prebuilt releases 23 | .PHONY: download_prebuilt 24 | download_prebuilt: 25 | curl -LO http://github.com/evidlo/remarkable_news/releases/latest/download/release.zip 26 | unzip release.zip 27 | 28 | # build release 29 | .PHONY: release 30 | release: renews.arm renews.x86 renews.arm64 31 | zip release.zip renews.arm renews.x86 renews.arm64 32 | gh release create --latest --verify-tag $(version) release.zip 33 | 34 | # tag and push tag 35 | .PHONY: tag 36 | tag: 37 | git tag $(version) 38 | git push --tags 39 | 40 | clean: 41 | rm -f renews.x86 renews.arm renews.arm64 release.zip 42 | 43 | # define install 44 | # # make sure ssh agent is running 45 | # eval $(shell ssh-agent -s) 46 | # # stop running service, ignore failure to stop 47 | # ssh -o AddKeysToAgent=yes root@$(host) systemctl stop renews || true 48 | # scp renews.arm root@$(host): 49 | # # substitute COOLDOWN/KEYWORDS arguments 50 | # sed -e "s|COOLDOWN|$(cooldown)|" \ 51 | # -e "s|KEYWORDS|$(KEYWORDS)|" \ 52 | # $(1) > renews.service 53 | # # back up suspend screen. don't overwrite existing file 54 | # # busybox cp doesn't have -n option, do a hacky alternative 55 | # ssh root@$(host) "cd /usr/share/remarkable/; ls suspended_back.png 2> /dev/null || cp suspended.png suspended_back.png" 56 | # # copy service to remarkable and enable 57 | # scp renews.service root@$(host):/etc/systemd/system/renews.service 58 | # ssh root@$(host) systemctl daemon-reload 59 | # ssh root@$(host) systemctl enable renews 60 | # ssh root@$(host) systemctl restart renews 61 | # endef 62 | 63 | # ----- Sources ----- 64 | 65 | # .PHONY: install_nyt 66 | # install_nyt: renews.arm 67 | # $(call install,services/nyt.service) 68 | 69 | # .PHONY: install_nyt_hq 70 | # install_nyt_hq: renews.arm 71 | # $(call install,services/nyt-hq.service) 72 | 73 | # .PHONY: install_xkcd 74 | # install_xkcd: renews.arm 75 | # $(call install,services/xkcd.service) 76 | 77 | # .PHONY: install_wp 78 | # install_wp: renews.arm 79 | # $(call install,services/wp.service) 80 | 81 | # .PHONY: install_picsum 82 | # install_picsum: renews.arm 83 | # $(call install,services/picsum.service) 84 | 85 | # .PHONY: install_loremflickr 86 | # install_loremflickr: renews.arm 87 | # $(call install,services/loremflickr.service) 88 | 89 | # .PHONY: install_cah 90 | # install_cah: renews.arm 91 | # $(call install,services/cah.service) 92 | 93 | # .PHONY: install_dilbert 94 | # install_dilbert: renews.arm 95 | # $(call install,services/dilbert.service) 96 | 97 | # .PHONY: install_uk_tg 98 | # install_uk_tg: renews.arm 99 | # $(call install,services/uk_tg.service) 100 | 101 | # .PHONY: install_wikipotd 102 | # install_wikipotd: renews.arm 103 | # $(call install,services/wikipotd.service) 104 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # remarkable_news 2 | 3 | reMarkable service to automatically download daily newspaper/comic as your suspend screen. No cloud needed. 4 | 5 | ![demo](pic.png) 6 | 7 | 8 | ## Install (Linux/OSX) 9 | 10 | Connect the reMarkable via USB and make sure it has internet access. 11 | Login to the reMarkable with [SSH](https://remarkable.guide/guide/access/ssh.html) and execute 12 | 13 | wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin nyt 14 | 15 | This will install and start the update service on the reMarkable. Every time you connect to WiFi, it will try to grab the latest front page from The New York Times. See below for more image sources. 16 | 17 | By default, downloads are rate limited to once per hour (3600 s). This can be overriden by modifying `/etc/systemd/system/renews.service` 18 | 19 | ## Install (Windows) 20 | 21 | Install [WSL](https://docs.microsoft.com/en-us/learn/modules/get-started-with-windows-subsystem-for-linux/2-enable-and-install), then follow the Linux/OSX instructions. This has not been tested. 22 | 23 | ## Supported News/Comics Sources 24 | 25 | - XKCD 26 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin xkcd` 27 | - Washington Post (only updates weekdays) 28 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin wp` 29 | - New York Times (slightly low resolution) 30 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin nyt` 31 | - New York Times (high quality provided by [acrogenesis/nyt-today](https://github.com/acrogenesis/nyt-today)) 32 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin nyt-hq` 33 | - Picsum (random images) 34 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin picsum` 35 | - LoremFlickr (random images) 36 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | KEYWORDS=nature,cats sh /dev/stdin loremflicker` 37 | - replace 'nature,cats' with your own keywords 38 | - Unsplash (random images) 39 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | KEYWORDS=nature sh /dev/stdin unsplash` 40 | - replace 'nature' with your own keywords. Only one keyword supported 41 | - Calvin and Hobbes 42 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin cah` 43 | - The Guardian 44 | - `wget -O - http://evidlo.github.io/remarkable_news/install.sh | sh /dev/stdin uk_tg` 45 | 46 | 47 | 48 | ## Debugging 49 | 50 | On the reMarkable 51 | 52 | journalctl --unit renews -f 53 | 54 | Then disconnect and reconnect WiFi to trigger a download. `remarkable_news` will only download at a maximum of once per hour to avoid burdening the server. 55 | 56 | ## Contributing 57 | 58 | See [contributing.md](contributing.md) 59 | -------------------------------------------------------------------------------- /boilerplate.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "fmt" 5 | ) 6 | 7 | var LOG_LEVEL = "error" 8 | 9 | func check(err error, msg string) { 10 | if err != nil { 11 | fmt.Println(msg) 12 | panic(err); 13 | } 14 | } 15 | 16 | func debug(msg ...string) { 17 | if LOG_LEVEL == "debug" { 18 | fmt.Println(msg) 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /contributing.md: -------------------------------------------------------------------------------- 1 | ## Contributing 2 | 3 | #### Additional Sources 4 | 5 | I'm looking for help adding more comics/news sources. Currently remarkable_news supports `.jpg`, `.png`, `.tiff`, and `.bmp` sources. New source configurations can be added in the `services/`. See [this file](/services/picsum.service) for a simple example with a fixed link to a `.jpg`. 6 | 7 | The easiest news/comics sources to add are those that have a static link to the latest image. However, this is often not the case, so remarkable_news can handle these situations in two ways: 8 | 9 | - date dependent URLs - See [this file](/services/dilbert.service) for an example ([format string docs](https://github.com/lestrrat-go/strftime)). 10 | - tag parsing from html (via [xpath expressions](https://www.webperformance.com/load-testing-tools/blog/articles/real-browser-manual/building-a-testcase/how-locate-element-the-page/xpath-locator-examples/)) - See [this file](/services/xkcd.service) for an example. 11 | 12 | #### Testing on host machine 13 | 14 | [Download](https://github.com/evidlo/remarkable_news/releases/latest/download/release.zip) and run `renews.x86` with the `-test` option. This disables download cooldown and waiting for WiFi connect. 15 | 16 | Here is an example command which I used for testing while creating the Calvin and Hobbes source: 17 | 18 | ./renews.x86 -output test.png -verbose -url https://www.gocomics.com/random/calvinandhobbes -xpath '//picture[@class="item-comic-image"]/img/@src' -mode fill -scale 0.9 -test 19 | 20 | This outputs to `test.png`. 21 | 22 | #### Usage 23 | 24 | [evan@blackbox remarkable_news] ./renews.x86 -h 25 | Usage of ./renews.x86: 26 | -cooldown int 27 | minimum seconds to wait before attempting download again (default 3600) 28 | -mode string 29 | image scaling mode (fill, center) (default "fill") 30 | -output string 31 | output image path 32 | -scale float 33 | scale image prior to centering (default 1) 34 | -source string 35 | use builtin source and scaling options 36 | -strftime 37 | enable strftime formatting in URL 38 | -test 39 | disable wait-online and cooldown 40 | -url string 41 | input URL 42 | -verbose 43 | enable debug output 44 | -xpath string 45 | xpath to tag in url 46 | 47 | #### New features 48 | 49 | Also, there are some additional features I would like to get added 50 | 51 | - more options for scaling, margins 52 | - parse image titles from html (also via xpaths) 53 | - parse image description from html (via xpaths), would be great for Wikipedia picture of the day to have a caption 54 | -------------------------------------------------------------------------------- /download.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "time" 5 | "net/http" 6 | "github.com/antchfx/htmlquery" 7 | "github.com/antchfx/jsonquery" 8 | // "fmt" 9 | "net/url" 10 | "errors" 11 | "strconv" 12 | "github.com/lestrrat-go/strftime" 13 | ) 14 | 15 | var Err404 = errors.New("Err404") 16 | 17 | func to_absurl(base, rel string) (string, error) { 18 | base_url, err := url.Parse(base) 19 | if err != nil { 20 | debug("Error parsing URL:", base) 21 | return "", err 22 | } 23 | rel_url, err := url.Parse(rel) 24 | if err != nil { 25 | debug("Error parsing URL:", rel) 26 | return "", err 27 | } 28 | 29 | absurl := base_url.ResolveReference(rel_url) 30 | 31 | return absurl.String(), nil 32 | } 33 | 34 | func get_url(url string) (*http.Response, error){ 35 | // if http failure, wait for next reconnect 36 | response, err := http.Get(url) 37 | if err != nil { 38 | debug("Failed to fetch url") 39 | return response, err 40 | } 41 | // defer response.Body.Close() 42 | 43 | // if http error code, wait for next reconnect 44 | if response.StatusCode != 200 { 45 | // body, _ := ioutil.ReadAll(response.Body) 46 | // fmt.Println(body) 47 | debug("Error. Response code was:", strconv.Itoa(response.StatusCode)) 48 | return response, Err404 49 | } 50 | 51 | return response, nil 52 | } 53 | 54 | 55 | func xpath_html(url, xpath string) (string, error) { 56 | doc, err := htmlquery.LoadURL(url) 57 | if err != nil { 58 | debug("Failed to parse HTML") 59 | return "", err 60 | } 61 | 62 | list, err := htmlquery.QueryAll(doc, "//meta/text()") 63 | check(err, "Invalid XPath") 64 | 65 | if len(list) == 0 { 66 | debug("No XPath matches found") 67 | return "", err 68 | } 69 | 70 | return htmlquery.InnerText(list[0]), nil 71 | } 72 | 73 | 74 | func get_xpath(url, xpath, data_format string) (string, error) { 75 | // load the given URL and query the document with the given XPath expression 76 | // returns string result 77 | 78 | if data_format == "json" { 79 | doc, err := jsonquery.LoadURL(url) 80 | if err != nil { 81 | debug("Failed to parse JSON") 82 | return "", err 83 | } 84 | 85 | list, err := jsonquery.QueryAll(doc, xpath) 86 | check(err, "Invalid XPath") 87 | 88 | if len(list) == 0 { 89 | debug("No XPath matches found") 90 | // FIXME, err is nil 91 | return "", err 92 | } 93 | 94 | return list[0].InnerText(), nil 95 | } else if data_format == "html" { 96 | doc, err := htmlquery.LoadURL(url) 97 | if err != nil { 98 | debug("Failed to parse HTML") 99 | return "", err 100 | } 101 | 102 | list, err := htmlquery.QueryAll(doc, xpath) 103 | check(err, "Invalid XPath") 104 | 105 | if len(list) == 0 { 106 | debug("No XPath matches found") 107 | // FIXME, err is nil 108 | return "", err 109 | } 110 | 111 | return htmlquery.InnerText(list[0]), nil 112 | } 113 | 114 | panic(`Invalid data_format`) 115 | } 116 | 117 | func format_url(url string) string { 118 | // format url containing strftime-style datecodes 119 | 120 | // add custom format code %e for non-zero-padded day 121 | format_e := strftime.AppendFunc(func(b []byte, t time.Time) []byte { 122 | day := int(t.Day()) 123 | return append(b, strconv.Itoa(day)...) 124 | }) 125 | 126 | var err error 127 | f, err := strftime.New( 128 | url, 129 | strftime.WithSpecification('e', format_e), 130 | ) 131 | check(err, "") 132 | url = f.FormatString(time.Now()) 133 | debug("strftime formatted URL:", url) 134 | 135 | return url 136 | } 137 | -------------------------------------------------------------------------------- /fonts/noto/LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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For the avoidance of doubt, 332 | this trademark restriction does not form part of the License. 333 | 334 | Creative Commons may be contacted at http://creativecommons.org/. 335 | -------------------------------------------------------------------------------- /fonts/xkcd/xkcd.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Evidlo/remarkable_news/092bfcacaba0e01a007ffb47149085fc72a708fa/fonts/xkcd/xkcd.ttf -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/evidlo/remarkable_news/v1.0.0 2 | 3 | go 1.22 4 | 5 | require ( 6 | github.com/antchfx/htmlquery v1.3.0 7 | github.com/antchfx/jsonquery v1.3.2 8 | github.com/disintegration/imaging v1.6.2 9 | github.com/godbus/dbus v4.1.0+incompatible 10 | github.com/lestrrat-go/strftime v1.0.6 11 | github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 12 | ) 13 | 14 | require github.com/stretchr/testify v1.6.1 // indirect 15 | 16 | require ( 17 | github.com/antchfx/xpath v1.2.3 // indirect 18 | github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 19 | github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect 20 | github.com/pkg/errors v0.9.1 // indirect 21 | golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 22 | golang.org/x/net v0.5.0 // indirect 23 | golang.org/x/text v0.6.0 // indirect 24 | ) 25 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | github.com/antchfx/htmlquery v1.3.0 h1:5I5yNFOVI+egyia5F2s/5Do2nFWxJz41Tr3DyfKD25E= 2 | github.com/antchfx/htmlquery v1.3.0/go.mod h1:zKPDVTMhfOmcwxheXUsx4rKJy8KEY/PU6eXr/2SebQ8= 3 | github.com/antchfx/jsonquery v1.3.2 h1:/BgHv1le9CCkqDe7t1x5BRlCg6DQmXTsztnMQFG5Hoc= 4 | github.com/antchfx/jsonquery v1.3.2/go.mod h1:VsW9O/sNgHoUVvhoMEjR+opjIOjKOViNFTpAlxcI4Ws= 5 | github.com/antchfx/xpath v1.2.3 h1:CCZWOzv5bAqjVv0offZ2LVgVYFbeldKQVuLNbViZdes= 6 | github.com/antchfx/xpath v1.2.3/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs= 7 | github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= 8 | github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= 9 | github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c= 10 | github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4= 11 | github.com/godbus/dbus v4.1.0+incompatible h1:WqqLRTsQic3apZUK9qC5sGNfXthmPXzUZ7nQPrNITa4= 12 | github.com/godbus/dbus v4.1.0+incompatible/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw= 13 | github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g= 14 | github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k= 15 | github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= 16 | github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= 17 | github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc h1:RKf14vYWi2ttpEmkA4aQ3j4u9dStX2t4M8UM6qqNsG8= 18 | github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc/go.mod h1:kopuH9ugFRkIXf3YoqHKyrJ9YfUFsckUU9S7B+XP+is= 19 | github.com/lestrrat-go/strftime v1.0.6 h1:CFGsDEt1pOpFNU+TJB0nhz9jl+K0hZSLE205AhTIGQQ= 20 | github.com/lestrrat-go/strftime v1.0.6/go.mod h1:f7jQKgV5nnJpYgdEasS+/y7EsTb8ykN2z68n3TtcTaw= 21 | github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ= 22 | github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8= 23 | github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= 24 | github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= 25 | github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= 26 | github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= 27 | github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= 28 | github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= 29 | github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= 30 | github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= 31 | github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= 32 | golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 33 | golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= 34 | golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 h1:hVwzHzIUGRjiF7EcUjqNxk3NCfkPxbDKRdnNE1Rpg0U= 35 | golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= 36 | golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= 37 | golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= 38 | golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= 39 | golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= 40 | golang.org/x/net v0.5.0 h1:GyT4nK/YDHSqa1c4753ouYCDajOYKTja9Xb/OHtgvSw= 41 | golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws= 42 | golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 43 | golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 44 | golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= 45 | golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= 46 | golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 47 | golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 48 | golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 49 | golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 50 | golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= 51 | golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= 52 | golang.org/x/term v0.4.0/go.mod h1:9P2UbLfCdcvo3p/nzKvsmas4TnlujnuoV9hGgYzW1lQ= 53 | golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= 54 | golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= 55 | golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= 56 | golang.org/x/text v0.6.0 h1:3XmdazWV+ubf7QgHSTWeykHOci5oeekaGJBLkrkaw4k= 57 | golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= 58 | golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= 59 | golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= 60 | golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= 61 | golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= 62 | gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= 63 | gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= 64 | gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= 65 | -------------------------------------------------------------------------------- /install.sh: -------------------------------------------------------------------------------- 1 | # systemd service location 2 | SERVICE=/etc/systemd/system/renews.service 3 | 4 | # stop service if running 5 | systemctl stop renews.service || true 6 | # install the renews binary from github releases 7 | mkdir -p /home/root/bin 8 | cd /home/root/bin 9 | wget -O release.zip http://github.com/evidlo/remarkable_news/releases/latest/download/release.zip 10 | unzip -o release.zip 11 | 12 | # install systemd service 13 | # mv renews.service ${SERVICE} 14 | wget -O ${SERVICE} "https://evidlo.github.io/remarkable_news/services/${1}.service" 15 | 16 | # substitute COOLDOWN and KEYWORDS arguments 17 | if [[ -z $COOLDOWN ]] 18 | then 19 | COOLDOWN=3600 20 | fi 21 | sed -i "s|COOLDOWN|${COOLDOWN}|" ${SERVICE} 22 | sed -i "s|KEYWORDS|${KEYWORDS}|" ${SERVICE} 23 | 24 | # reload systemd and remove extra files 25 | systemctl daemon-reload 26 | systemctl enable --now renews.service 27 | rm renews.x86 release.zip 28 | -------------------------------------------------------------------------------- /main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | _ "embed" 5 | "flag" 6 | "fmt" 7 | "image" 8 | "image/draw" 9 | "time" 10 | 11 | "github.com/disintegration/imaging" 12 | "golang.org/x/image/font" 13 | ) 14 | 15 | //go:embed fonts/noto/NotoSans-Bold.ttf 16 | var notosans_bold_ttf []byte 17 | 18 | //go:embed fonts/noto/NotoSans-Regular.ttf 19 | var notosans_regular_ttf []byte 20 | 21 | //go:embed fonts/xkcd/xkcd.ttf 22 | var xkcd_ttf []byte 23 | 24 | func main() { 25 | // ----- flag parsing ----- 26 | 27 | url := flag.String("url", "", "input URL") 28 | output := flag.String("output", "", "output image path") 29 | source := flag.String("source", "", "use builtin source and scaling options") 30 | format := flag.Bool("strftime", false, "enable strftime formatting in URL") 31 | verbose := flag.Bool("verbose", false, "enable debug output") 32 | xpath := flag.String("xpath", "", "xpath to tag in url") 33 | xpath_title := flag.String("xpath-title", "", "xpath to title in url") 34 | title_str := flag.String("title", "", "title to use instead of xpath-title") 35 | title_font := flag.String("title-font", "", "path to TTF title font or built-in name 'NotoSans-Bold' (default), 'NotoSans-Regular' or 'xkcd'") 36 | title_font_size := flag.Float64("title-font-size", 50, "title font size") 37 | xpath_subtitle := flag.String("xpath-subtitle", "", "xpath to subtitle in url") 38 | subtitle_str := flag.String("subtitle", "", "subtitle to use instead of xpath-subtitle") 39 | subtitle_font := flag.String("subtitle-font", "", "path to TTF subtitle font or built-in name 'NotoSans-Bold', 'NotoSans-Regular' (default) or 'xkcd'") 40 | subtitle_font_size := flag.Float64("subtitle-font-size", 30, "subtitle font size") 41 | test := flag.Bool("test", false, "disable wait-online and cooldown") 42 | mode := flag.String("mode", "fill", "image scaling mode (fill, center)") 43 | scale := flag.Float64("scale", 1, "scale image prior to centering") 44 | // top := flag.Int("top", 0, "crop from top") 45 | // left := flag.Int("left", 0, "crop from left") 46 | // right := flag.Int("right", 0, "crop from right") 47 | // bottom := flag.Int("bottom", 0, "crop from bottom") 48 | cooldown := flag.Int("cooldown", 3600, "minimum seconds to wait before attempting download again") 49 | flag.Parse() 50 | 51 | if *verbose { 52 | LOG_LEVEL = "debug" 53 | } 54 | 55 | var title_face font.Face 56 | if *xpath_title != "" || *title_str != "" { 57 | switch *title_font { 58 | case "NotoSans-Bold", "": 59 | title_face = loadFont(notosans_bold_ttf, *title_font_size) 60 | case "NotoSans-Regular": 61 | title_face = loadFont(notosans_regular_ttf, *title_font_size) 62 | case "xkcd": 63 | title_face = loadFont(xkcd_ttf, *title_font_size) 64 | default: 65 | title_face = loadFontByPath(*title_font, *title_font_size) 66 | } 67 | } 68 | var subtitle_face font.Face 69 | if *xpath_subtitle != "" || *subtitle_str != "" { 70 | switch *subtitle_font { 71 | case "NotoSans-Bold": 72 | subtitle_face = loadFont(notosans_bold_ttf, *subtitle_font_size) 73 | case "NotoSans-Regular", "": 74 | subtitle_face = loadFont(notosans_regular_ttf, *subtitle_font_size) 75 | case "xkcd": 76 | subtitle_face = loadFont(xkcd_ttf, *subtitle_font_size) 77 | default: 78 | subtitle_face = loadFontByPath(*subtitle_font, *subtitle_font_size) 79 | } 80 | } 81 | 82 | handle_image := func(img image.Image, title, subtitle string) { 83 | img = adjust(img, *mode, *scale) 84 | if title == "" { 85 | title = *title_str 86 | } 87 | if title != "" { 88 | addCenteredLabel(img.(draw.Image), 100, title_face, title) 89 | } 90 | if subtitle == "" { 91 | subtitle = *subtitle_str 92 | } 93 | if subtitle != "" { 94 | addCenteredLabel(img.(draw.Image), 150, subtitle_face, subtitle) 95 | } 96 | imaging.Save(img, *output, imaging.JPEGQuality(100)) 97 | debug("Image saved to ", *output) 98 | } 99 | 100 | var img image.Image 101 | var title string 102 | var subtitle string 103 | var err error 104 | 105 | // download/rescale image, then quit 106 | if *test { 107 | // use a built-in image source 108 | if *source != "" { 109 | img, err = sources[*source]() 110 | } else { 111 | img, title, subtitle, err = custom(*url, *format, *xpath, *xpath_title, *xpath_subtitle) 112 | } 113 | 114 | if err != nil { 115 | panic(err) 116 | } 117 | handle_image(img, title, subtitle) 118 | } else { 119 | // initialize with zero date 120 | time_last_success := time.Time{}; 121 | 122 | online := make(chan int) 123 | go wait_online(online) 124 | 125 | // loop forever and wait for network online events 126 | for { 127 | // wait for network online message from wpa supplicant 128 | debug("Waiting for network online...") 129 | <- online 130 | debug("Network online") 131 | 132 | // FIXME - need to wait a few seconds for DNS? 133 | time.Sleep(5 * time.Second) 134 | 135 | // make sure we don't hammer server every time wifi is turned on 136 | if time.Now().Sub(time_last_success).Seconds() > float64(*cooldown) { 137 | 138 | if *source != "" { 139 | img, err = sources[*source]() 140 | } else { 141 | img, title, subtitle, err = custom(*url, *format, *xpath, *xpath_title, *xpath_subtitle) 142 | } 143 | 144 | if err == nil { 145 | time_last_success = time.Now() 146 | } else { 147 | fmt.Println(err) 148 | continue 149 | } 150 | } else { 151 | debug("Hit cooldown limit") 152 | continue 153 | } 154 | 155 | handle_image(img, title, subtitle) 156 | } 157 | } 158 | } 159 | -------------------------------------------------------------------------------- /pic.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Evidlo/remarkable_news/092bfcacaba0e01a007ffb47149085fc72a708fa/pic.png -------------------------------------------------------------------------------- /screen.go: -------------------------------------------------------------------------------- 1 | //go:build !rmpp 2 | // +build !rmpp 3 | 4 | package main 5 | 6 | func GetScreenSize() (int, int) { 7 | return 1404, 1872 8 | } 9 | -------------------------------------------------------------------------------- /screen_rmpp.go: -------------------------------------------------------------------------------- 1 | //go:build rmpp 2 | // +build rmpp 3 | 4 | package main 5 | 6 | func GetScreenSize() (int, int) { 7 | return 1620, 2160 8 | } 9 | -------------------------------------------------------------------------------- /services/cah.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Calvin and Hobbes 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://www.gocomics.com/random/calvinandhobbes \ 10 | -xpath '//picture[@class="item-comic-image"]/img/@src' \ 11 | -mode fill \ 12 | -scale 0.9 13 | Restart=always 14 | 15 | [Install] 16 | WantedBy=multi-user.target 17 | -------------------------------------------------------------------------------- /services/dilbert.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Dilbert 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://dilbert.com/strip/%%Y-%%m-%%d \ 10 | -xpath '//img[@class="img-responsive img-comic"]/@src' \ 11 | -strftime \ 12 | -mode fill \ 13 | -scale 0.9 14 | Restart=always 15 | 16 | [Install] 17 | WantedBy=multi-user.target 18 | -------------------------------------------------------------------------------- /services/loremflickr.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=LoremFlickr 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown 600 \ 9 | -url https://loremflickr.com/g/800/1200/KEYWORDS \ 10 | -mode center 11 | Restart=always 12 | 13 | [Install] 14 | WantedBy=multi-user.target 15 | -------------------------------------------------------------------------------- /services/nyt-hq.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=New York Times 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://nyt-today.acrogenesis.com/nyt \ 10 | -mode center 11 | Restart=always 12 | 13 | [Install] 14 | WantedBy=multi-user.target 15 | -------------------------------------------------------------------------------- /services/nyt.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=The New York Times 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://www.frontpages.com/the-new-york-times \ 10 | -xpath '//img[@id="giornale-img"]/@src' \ 11 | -mode fill 12 | Restart=always 13 | 14 | [Install] 15 | WantedBy=multi-user.target 16 | -------------------------------------------------------------------------------- /services/picsum.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Picsum 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown 600 \ 9 | -url https://picsum.photos/800/1200.jpg?grayscale \ 10 | -mode center 11 | Restart=always 12 | 13 | [Install] 14 | WantedBy=multi-user.target 15 | -------------------------------------------------------------------------------- /services/uk_tg.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=The Guardian (UK) 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://www.frontpages.com/the-guardian \ 10 | -xpath '//img[@id="giornale-img"]/@src' \ 11 | -mode fill 12 | Restart=always 13 | 14 | [Install] 15 | WantedBy=multi-user.target 16 | -------------------------------------------------------------------------------- /services/unsplash.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Unsplash Random Image 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://source.unsplash.com/random/1872x1404?query=KEYWORDS&orientation=LANDSCAPE \ 10 | -mode fill \ 11 | Restart=always 12 | 13 | [Install] 14 | WantedBy=multi-user.target 15 | -------------------------------------------------------------------------------- /services/wp.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Washington Post 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://i.prcdn.co/img?file=1047%%Y%%m%%d00000000001001&page=1&scale=246 \ 10 | -strftime \ 11 | -mode fill 12 | Restart=always 13 | 14 | [Install] 15 | WantedBy=multi-user.target 16 | -------------------------------------------------------------------------------- /services/xkcd.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=XKCD 3 | 4 | [Service] 5 | ExecStart=/home/root/bin/renews.arm \ 6 | -output /usr/share/remarkable/suspended.png \ 7 | -verbose \ 8 | -cooldown COOLDOWN \ 9 | -url https://xkcd.com \ 10 | -xpath '//div[@id="comic"]/img/@src' \ 11 | -xpath-title '//div[@id="comic"]/img/@alt' \ 12 | -xpath-subtitle '//div[@id="comic"]/img/@title' \ 13 | -title-font 'xkcd' \ 14 | -subtitle-font 'xkcd' \ 15 | -mode center \ 16 | -scale 1.75 17 | Restart=always 18 | 19 | [Install] 20 | WantedBy=multi-user.target 21 | -------------------------------------------------------------------------------- /sources.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "fmt" 5 | "image" 6 | "image/color" 7 | "image/draw" 8 | "net/http" 9 | "os" 10 | "strings" 11 | 12 | "github.com/disintegration/imaging" 13 | "github.com/golang/freetype/truetype" 14 | "golang.org/x/image/font" 15 | "golang.org/x/image/math/fixed" 16 | 17 | // FIXME - resizing already built into imaging, but this is much faster 18 | "github.com/nfnt/resize" 19 | ) 20 | 21 | var sources = map[string] func() (image.Image, error) { 22 | "natgeo": natgeo, 23 | } 24 | 25 | func natgeo() (image.Image, error){ 26 | url := "https://www.nationalgeographic.com/photography/photo-of-the-day/_jcr_content/.gallery.json" 27 | 28 | imgurl, err := get_xpath(url, "/items/*[1]/image/uri", "json") 29 | check(err, "") 30 | 31 | caption, err := get_xpath(url, "/items/*[1]/image/caption", "json") 32 | caption = strings.TrimSuffix(strings.TrimPrefix(caption, "

"), "

\n") 33 | fmt.Println(caption) 34 | check(err, "") 35 | 36 | // if http failure, wait for next reconnect 37 | response, err := get_url(imgurl) 38 | if err != nil { 39 | debug("Failed to fetch image") 40 | return nil, err 41 | } 42 | 43 | img, err := imaging.Decode(response.Body) 44 | if err != nil { 45 | debug("Failed to decode image") 46 | return nil, err 47 | } 48 | 49 | return img, nil 50 | } 51 | 52 | // function for grabbing custom sources 53 | func custom(url string, format bool, xpath, xpath_title, xpath_subtitle string) (image.Image, string, string, error) { 54 | 55 | debug("Beginning download") 56 | 57 | // ----- URL strftime formatting ----- 58 | 59 | if format { 60 | url = format_url(url) 61 | } 62 | 63 | // ----- image XPath handling ----- 64 | 65 | var title string 66 | var subtitle string 67 | var response *http.Response 68 | var err error 69 | 70 | // if xpath is provided, assume url is HTML 71 | if xpath != "" { 72 | if xpath_title != "" { 73 | debug("Got -xpath-title. Trying to extract title from provided url") 74 | title, err = get_xpath(url, xpath_title, "html") 75 | check(err, "") 76 | } 77 | if xpath_subtitle != "" { 78 | debug("Got -xpath-subtitle. Trying to extract subtitle from provided url") 79 | subtitle, err = get_xpath(url, xpath_subtitle, "html") 80 | check(err, "") 81 | } 82 | 83 | debug("Got -xpath. Trying to extract img url from provided url") 84 | 85 | result, err := get_xpath(url, xpath, "html") 86 | check(err, "") 87 | 88 | // imgurl := e.Attr[0].Val 89 | imgurl, err := to_absurl(url, result) 90 | 91 | debug("Image url", imgurl) 92 | 93 | // if http failure, wait for next reconnect 94 | response, err = get_url(imgurl) 95 | if err != nil { 96 | debug("Failed to fetch image") 97 | return nil, "", "", err 98 | } 99 | 100 | } else { 101 | response, err = get_url(url) 102 | check(err, "") 103 | } 104 | 105 | // ----- image loading ----- 106 | 107 | img, err := imaging.Decode(response.Body) 108 | if err != nil { 109 | debug("Failed to decode image") 110 | return nil, "", "", err 111 | } 112 | 113 | return img, title, subtitle, nil 114 | 115 | } 116 | 117 | // scale, inset image to reMarkable display size 118 | func adjust(img image.Image, mode string, scale float64) image.Image { 119 | 120 | debug("Adjusting image") 121 | 122 | re_width, re_height := GetScreenSize() 123 | 124 | if mode == "fill" { 125 | // scale image to remarkable width 126 | // imaging resize is slow for some reason, use other library 127 | // img = imaging.Resize(img, re_width, 0, imaging.Linear) 128 | img = resize.Resize(uint(re_width), 0, img, resize.Bicubic) 129 | // cut off parts of image that overflow 130 | img = imaging.Crop(img, image.Rect(0, 0, re_width, re_height)) 131 | 132 | } else if mode == "center" { 133 | } else { 134 | debug("Invalid mode") 135 | } 136 | if scale != 1 { 137 | img_width := float64(img.Bounds().Max.X) 138 | img = resize.Resize(uint(scale * img_width), 0, img, resize.Bicubic) 139 | } 140 | 141 | // put image in center of screen 142 | background := imaging.New( 143 | re_width, 144 | re_height, 145 | color.RGBA{255, 255, 255, 255}, 146 | ) 147 | img = imaging.PasteCenter(background, img) 148 | 149 | return img 150 | } 151 | 152 | func loadFontByPath(path string, size float64) font.Face { 153 | fontdata, err := os.ReadFile(path) 154 | check(err, "Failed to open font file") 155 | loadFont(fontdata, size) 156 | font, err := truetype.Parse(fontdata) 157 | check(err, "Failed to parse font") 158 | 159 | return truetype.NewFace(font, &truetype.Options{ 160 | Size: size, 161 | }) 162 | } 163 | 164 | func loadFont(fontdata []byte, size float64) font.Face { 165 | font, err := truetype.Parse(fontdata) 166 | check(err, "Failed to parse font") 167 | 168 | return truetype.NewFace(font, &truetype.Options{ 169 | Size: size, 170 | }) 171 | } 172 | 173 | func addCenteredLabel(img draw.Image, y int, face font.Face, label string) { 174 | x := img.Bounds().Max.X / 2 175 | b, _ := font.BoundString(face, label) 176 | label_width := (b.Max.X - b.Min.X).Ceil() 177 | 178 | // Hack: Wrap labels that are too long once 179 | if label_width > img.Bounds().Max.X { 180 | debug("Label too long, splitting into two lines") 181 | left := strings.TrimSpace(label[:len(label)/2]) 182 | right := strings.TrimSpace(label[len(label)/2:]) 183 | right_parts := strings.SplitN(right, " ", 2) 184 | first_line := left + right_parts[0] 185 | 186 | b, _ = font.BoundString(face, first_line) 187 | label_width = (b.Max.X - b.Min.X).Ceil() 188 | label_height := (b.Max.Y - b.Min.Y).Ceil() 189 | addLabel(img, x-label_width/2, y, face, first_line) 190 | 191 | if len(right_parts) == 2 { 192 | second_line := right_parts[1] 193 | b, _ = font.BoundString(face, second_line) 194 | label_width = (b.Max.X - b.Min.X).Ceil() 195 | addLabel(img, x-label_width/2, y+label_height+10, face, second_line) 196 | } 197 | } else { 198 | addLabel(img, x-label_width/2, y, face, label) 199 | } 200 | 201 | } 202 | 203 | func addLabel(img draw.Image, x, y int, face font.Face, label string) { 204 | debug("Adding label", label) 205 | 206 | d := &font.Drawer{ 207 | Dst: img, 208 | Src: image.NewUniform(color.RGBA{0, 0, 0, 255}), 209 | Face: face, 210 | Dot: fixed.Point26_6{X: fixed.I(x), Y: fixed.I(y)}, 211 | } 212 | d.DrawString(label) 213 | } 214 | -------------------------------------------------------------------------------- /wifi.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "fmt" 5 | "os" 6 | "strings" 7 | // "io/ioutil" 8 | 9 | "github.com/godbus/dbus" 10 | ) 11 | 12 | 13 | func wait_online(x chan int) { 14 | // wait for wpa_supplicant to emit message that we have just connected to a network 15 | 16 | conn, err := dbus.SystemBus() 17 | if err != nil { 18 | fmt.Fprintln(os.Stderr, "Failed to connect to session bus:", err) 19 | os.Exit(1) 20 | } 21 | defer conn.Close() 22 | 23 | // dbus filter for getting WiFi state change from wpa_supplicant 24 | // see `dbus-monitor --system` 25 | var rules = []string{ 26 | "interface='org.freedesktop.DBus.Properties',arg0='org.freedesktop.network1.Link',member='PropertiesChanged'", 27 | } 28 | 29 | // begin monitoring dbus events 30 | var flag uint = 0 31 | call := conn.BusObject().Call("org.freedesktop.DBus.Monitoring.BecomeMonitor", 0, rules, flag) 32 | if call.Err != nil { 33 | fmt.Fprintln(os.Stderr, "Failed to become monitor:", call.Err) 34 | os.Exit(1) 35 | } 36 | 37 | c := make(chan *dbus.Message, 10) 38 | conn.Eavesdrop(c) 39 | for v := range c { 40 | 41 | // FIXME - this is a terrible hack. I don't know Go 42 | 43 | // this is v.Body: 44 | 45 | // string "org.freedesktop.network1.Link" 46 | // array [ 47 | // dict entry( 48 | // string "OperationalState" 49 | // variant string "routable" 50 | // ) 51 | // ] 52 | // array [ 53 | // ] 54 | 55 | // we want to determine if "routable" is present or not 56 | 57 | str := fmt.Sprintf("%v", v.Body) 58 | debug("dbus message:", str) 59 | if strings.Contains(str, "routable") { 60 | x <- 0 61 | } 62 | } 63 | } 64 | 65 | --------------------------------------------------------------------------------