This is an automated email from the git hooks/post-receive script.

shelikhoo pushed a commit to branch main in repository pluggable-transports/snowflake-webext.

commit 604eee1fb9a0114e27bb40bd8a341e4198a62c94 Author: WofWca wofwca@protonmail.com AuthorDate: Fri Jun 17 21:09:34 2022 +0300

refactor: use a separate directory for webext dist files --- .eslintignore | 2 +- .gitignore | 7 +------ LICENSE | 1 + README.md | 4 ++-- make.js | 11 ++++++----- 5 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/.eslintignore b/.eslintignore index c249199..7875026 100644 --- a/.eslintignore +++ b/.eslintignore @@ -1,6 +1,6 @@ build/ +build-webext/ test/ -webext/snowflake.js snowflake-library.js

# FIXME: Whittle these away diff --git a/.gitignore b/.gitignore index cbd3202..95c2b84 100644 --- a/.gitignore +++ b/.gitignore @@ -5,14 +5,9 @@ .DS_Store test build +/build-webext node_modules snowflake-library.js spec/support -webext/snowflake.js -webext/popup.js -webext/embed.html -webext/embed.css -webext/assets/ -webext/_locales/ ignore/ npm-debug.log diff --git a/LICENSE b/LICENSE index 42f6296..096d6e3 100644 --- a/LICENSE +++ b/LICENSE @@ -4,6 +4,7 @@ ================================================================================ Copyright (c) 2016, Serene Han, Arlo Breault Copyright (c) 2019-2020, The Tor Project, Inc +Copyright (c) 2022, WofWca wofwca@protonmail.com

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: diff --git a/README.md b/README.md index 90ce21b..d6a508a 100644 --- a/README.md +++ b/README.md @@ -25,7 +25,7 @@ npm install npm run webext ```

-and then load the `webext/` directory as an unpacked extension. +and then load the `build-webext/` directory as an unpacked extension. * https://developer.mozilla.org/en-US/docs/Tools/about:debugging#Loading_a_tem... * https://developer.chrome.com/extensions/getstarted#manifest

@@ -122,7 +122,7 @@ npm run pack-webext x.y.z git push origin master git push origin --tags

-# Upload the generated webext.zip (and source.zip) to the webextension stores, +# Upload the generated build-webext.zip (and source.zip) to the webextension stores, # 1. https://addons.mozilla.org/en-US/developers/addon/torproject-snowflake/versi... # 2. https://chrome.google.com/webstore/devconsole/

diff --git a/make.js b/make.js index 46857db..d3a4af1 100755 --- a/make.js +++ b/make.js @@ -164,8 +164,9 @@ task('build', 'build the snowflake proxy', function() { });

task('webext', 'build the webextension', function() { - const outDir = 'webext'; - execSync(`git clean -f -x -d ${outDir}/`); + const outDir = 'build-webext'; + execSync(`rm -rf ${outDir} && mkdir ${outDir}`); + execSync(`cp -r webext/. ${outDir}/`); execSync(`cp -r ${STATIC}/{${SHARED_FILES.join(',')}} ${outDir}/`, { shell: '/bin/bash' }); copyTranslations(outDir); concatJS(outDir, 'webext', 'snowflake.js', ''); @@ -187,7 +188,7 @@ var updateVersion = function(file, version) { task('pack-webext', 'pack the webextension for deployment', function() { try { execSync(`rm -f source.zip`); - execSync(`rm -f webext/webext.zip`); + execSync(`rm -f build-webext.zip`); } catch (error) { //Usually this happens because the zip files were removed previously console.log('Error removing zip files'); @@ -210,11 +211,11 @@ task('pack-webext', 'pack the webextension for deployment', function() { } execSync(`git archive -o source.zip HEAD .`); execSync(`npm run webext`); - execSync(`cd webext && zip -Xr webext.zip ./*`); + execSync(`cd build-webext && zip -Xr ../build-webext.zip ./*`); });

task('clean', 'remove all built files', function() { - execSync('rm -rf build test spec/support'); + execSync('rm -rf build build-webext test spec/support'); });

task('library', 'build the library', function() {

This is an automated email from the git hooks/post-receive script.

shelikhoo pushed a commit to branch main in repository pluggable-transports/snowflake-webext.

commit d24e6bb6dbc74a2eb590dfab327cc61006d89c9d Author: WofWca wofwca@protonmail.com AuthorDate: Thu Aug 18 16:20:05 2022 +0300

fix: don't include 'background' permission in Gecko (Firefox) build --- README.md | 26 +++++++++++----- make.js | 45 ++++++++++++++++++++++++---- static/popup.js | 7 +++-- webext/{manifest.json => manifest_base.json} | 3 -- 4 files changed, 63 insertions(+), 18 deletions(-)

diff --git a/README.md b/README.md index d6a508a..0bd6461 100644 --- a/README.md +++ b/README.md @@ -20,10 +20,22 @@ which outputs to the `build/` directory.

### Building the webextension

-``` -npm install -npm run webext -``` +1. + ``` + npm install + ``` +2. + * For Gecko (e.g. Firefox): + + ```bash + npm run webext gecko + ``` + + * For Chromium (e.g. Chrome, Edge) + + ```bash + npm run webext chromium + ```

and then load the `build-webext/` directory as an unpacked extension. * https://developer.mozilla.org/en-US/docs/Tools/about:debugging#Loading_a_tem... @@ -122,9 +134,9 @@ npm run pack-webext x.y.z git push origin master git push origin --tags

-# Upload the generated build-webext.zip (and source.zip) to the webextension stores, -# 1. https://addons.mozilla.org/en-US/developers/addon/torproject-snowflake/versi... -# 2. https://chrome.google.com/webstore/devconsole/ +# Upload the generated build-webext-chromium.zip, build-webext-gecko.zip (and source.zip) to the webextension stores, respectively, +# 1. https://chrome.google.com/webstore/devconsole/ +# 2. https://addons.mozilla.org/en-US/developers/addon/torproject-snowflake/versi...

# This time, really clean, because we don't want any extraneous files uploaded git clean -f -d -x diff --git a/make.js b/make.js index d3a4af1..63e4cb6 100755 --- a/make.js +++ b/make.js @@ -163,14 +163,43 @@ task('build', 'build the snowflake proxy', function() { console.log('Snowflake prepared.'); });

-task('webext', 'build the webextension', function() { +const browserEngines = ['chromium', 'gecko']; +function buildWebext(browserEngine) { + const definitions = { + // Gecko currently doesn't support it: + // https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manif... + SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION: browserEngine === 'chromium', + }; const outDir = 'build-webext'; execSync(`rm -rf ${outDir} && mkdir ${outDir}`); execSync(`cp -r webext/. ${outDir}/`); execSync(`cp -r ${STATIC}/{${SHARED_FILES.join(',')}} ${outDir}/`, { shell: '/bin/bash' }); + for (const [key, value] of Object.entries(definitions)) { + execSync(`sed -i "s/${key}/${value}/g" ${outDir}/popup.js`); + } + { + const manfestBasePath = `${outDir}/manifest_base.json`; + const manifest = JSON.parse(readFileSync(manfestBasePath, 'utf-8')); + if (definitions.SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION) { + manifest.optional_permissions = ['background']; + } + writeFileSync( + `${outDir}/manifest.json`, + JSON.stringify(manifest, undefined, ' '), + 'utf-8' + ); + execSync(`rm ${manfestBasePath}`); + } copyTranslations(outDir); concatJS(outDir, 'webext', 'snowflake.js', ''); console.log('Webextension prepared.'); +} +task('webext', 'build the webextension', function() { + const browserEngine = process.argv[3]; + if (!(browserEngines.includes(browserEngine))) { + throw new Error(`You must provide browser engine string: ${browserEngines.join('|')}`); + } + buildWebext(browserEngine); });

task('node', 'build the node binary', function() { @@ -188,7 +217,9 @@ var updateVersion = function(file, version) { task('pack-webext', 'pack the webextension for deployment', function() { try { execSync(`rm -f source.zip`); - execSync(`rm -f build-webext.zip`); + for (const browserEngine of browserEngines) { + execSync(`rm -f build-webext-${browserEngine}.zip`); + } } catch (error) { //Usually this happens because the zip files were removed previously console.log('Error removing zip files'); @@ -197,7 +228,7 @@ task('pack-webext', 'pack the webextension for deployment', function() { var version = process.argv[3]; console.log(version); updateVersion('./package.json', version); - updateVersion('./webext/manifest.json', version); + updateVersion('./webext/manifest_base.json', version); execSync(`git commit -am "bump version to ${version}"`); try { execSync(`git tag webext-${version}`); @@ -205,13 +236,15 @@ task('pack-webext', 'pack the webextension for deployment', function() { console.log('Error creating git tag'); // Revert changes execSync(`git reset HEAD~`); - execSync(`git checkout ./webext/manifest.json`); + execSync(`git checkout ./webext/manifest_base.json`); execSync(`git submodule update`); return; } execSync(`git archive -o source.zip HEAD .`); - execSync(`npm run webext`); - execSync(`cd build-webext && zip -Xr ../build-webext.zip ./*`); + for (const browserEngine of browserEngines) { + execSync(`npm run webext ${browserEngine}`); + execSync(`cd build-webext && zip -Xr ../build-webext-${browserEngine}.zip ./*`); + } });

task('clean', 'remove all built files', function() { diff --git a/static/popup.js b/static/popup.js index 2625201..fc4c0e7 100644 --- a/static/popup.js +++ b/static/popup.js @@ -26,8 +26,11 @@ class Popup { this.statusdesc = document.getElementById('statusdesc'); this.img = document.getElementById('statusimg'); this.button = document.querySelector('.button'); - // if (SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION) - { + if ( + typeof SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION !== 'undefined' + // eslint-disable-next-line no-undef + && SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION + ) { /** @type {HTMLInputElement} */ const runInBackgroundInput = document.getElementById('run-in-background'); document.getElementById('run-in-background-wrapper').classList.remove('display-none'); diff --git a/webext/manifest.json b/webext/manifest_base.json similarity index 91% rename from webext/manifest.json rename to webext/manifest_base.json index 2c6b032..6de42ab 100644 --- a/webext/manifest.json +++ b/webext/manifest_base.json @@ -24,8 +24,5 @@ }, "permissions": [ "storage" - ], - "optional_permissions": [ - "background" ] } \ No newline at end of file

This is an automated email from the git hooks/post-receive script.

shelikhoo pushed a commit to branch main in repository pluggable-transports/snowflake-webext.

commit 18a95215421d1d912cf945d97239a90083a765ae Author: WofWca wofwca@protonmail.com AuthorDate: Tue Jun 21 22:46:45 2022 +0300

improvement: revoke 'background' permission when "Enabled" is off --- init-webext.js | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++------- make.js | 9 ++++--- static/popup.js | 42 ++++++++++++++++++--------------- webext/embed.js | 11 ++++++++- 4 files changed, 104 insertions(+), 31 deletions(-)

diff --git a/init-webext.js b/init-webext.js index cde7d5f..003fb7f 100644 --- a/init-webext.js +++ b/init-webext.js @@ -5,6 +5,40 @@ UI */

+ +/** + * Decide whether we need to request or revoke the 'background' permission, and + * set the `runInBackground` storage value appropriately. + * @param {boolean | undefined} enabledSetting + * @param {boolean | undefined} runInBackgroundSetting + */ +function maybeChangeBackgroundPermission(enabledSetting, runInBackgroundSetting) { + const needBackgroundPermission = + runInBackgroundSetting + // When the extension is disabled, we need the permission to be revoked because + // otherwise it'll keep the browser process running for no reason. + && enabledSetting; + // Yes, this is called even if the permission is already in the state we need + // it to be in (granted/removed). + new Promise(r => { + chrome.permissions[needBackgroundPermission ? "request" : "remove"]( + { permissions: ['background'] }, + r + ); + }) + .then(success => { + // Currently the resolve value is `true` even when the permission was alrady granted + // before it was requested (already removed before it was revoked). TODO Need to make + // sure it's the desired behavior and if it needs to change. + // https://developer.chrome.com/docs/extensions/reference/permissions/#method-r... + // https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/p... + // https://github.com/mdn/content/pull/17516 + if (success) { + chrome.storage.local.set({ runInBackground: runInBackgroundSetting }); + } + }); +} + class WebExtUI extends UI {

constructor() { @@ -94,15 +128,38 @@ class WebExtUI extends UI { if (m.retry) { // FIXME: Can set a retrying state here this.tryProbe(); - return; + } else if (m.enabled != undefined) { + (new Promise((resolve) => { + chrome.storage.local.set({ "snowflake-enabled": m.enabled }, resolve); + })) + .then(() => { + log("Stored toggle state"); + this.initToggle(); + }); + if ( + typeof SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION !== 'undefined' + // eslint-disable-next-line no-undef + && SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION + ) { + new Promise(r => chrome.storage.local.get({ runInBackground: false }, r)) + .then(storage => { + maybeChangeBackgroundPermission(m.enabled, storage.runInBackground); + }); + } + } else if (m.runInBackground != undefined) { + if ( + typeof SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION !== 'undefined' + // eslint-disable-next-line no-undef + && SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION + ) { + new Promise(r => chrome.storage.local.get({ "snowflake-enabled": false }, r)) + .then(storage => { + maybeChangeBackgroundPermission(storage["snowflake-enabled"], m.runInBackground); + }); + } + } else { + log("Unrecognized message"); } - (new Promise((resolve) => { - chrome.storage.local.set({ "snowflake-enabled": m.enabled }, resolve); - })) - .then(() => { - log("Stored toggle state"); - this.initToggle(); - }); }

onDisconnect() { diff --git a/make.js b/make.js index 63e4cb6..6116257 100755 --- a/make.js +++ b/make.js @@ -174,9 +174,6 @@ function buildWebext(browserEngine) { execSync(`rm -rf ${outDir} && mkdir ${outDir}`); execSync(`cp -r webext/. ${outDir}/`); execSync(`cp -r ${STATIC}/{${SHARED_FILES.join(',')}} ${outDir}/`, { shell: '/bin/bash' }); - for (const [key, value] of Object.entries(definitions)) { - execSync(`sed -i "s/${key}/${value}/g" ${outDir}/popup.js`); - } { const manfestBasePath = `${outDir}/manifest_base.json`; const manifest = JSON.parse(readFileSync(manfestBasePath, 'utf-8')); @@ -192,6 +189,12 @@ function buildWebext(browserEngine) { } copyTranslations(outDir); concatJS(outDir, 'webext', 'snowflake.js', ''); + for (const [key, value] of Object.entries(definitions)) { + const commandStart = `sed -i "s/${key}/${value}/g" ${outDir}`; + execSync(`${commandStart}/popup.js`); + execSync(`${commandStart}/embed.js`); + execSync(`${commandStart}/snowflake.js`); + } console.log('Webextension prepared.'); } task('webext', 'build the webextension', function() { diff --git a/static/popup.js b/static/popup.js index fc4c0e7..fa7b8ed 100644 --- a/static/popup.js +++ b/static/popup.js @@ -11,7 +11,10 @@ function setClass(elem, className, cond) { }

class Popup { - constructor(getMsgFunc, changeFunc, retryFunc) { + /** + * @param {() => void} [onRunInBackgroundChange] + */ + constructor(getMsgFunc, changeFunc, retryFunc, onRunInBackgroundChange) { this.getMsgFunc = getMsgFunc; this.enabled = document.getElementById('enabled'); this.enabled.addEventListener('change', changeFunc); @@ -34,26 +37,27 @@ class Popup { /** @type {HTMLInputElement} */ const runInBackgroundInput = document.getElementById('run-in-background'); document.getElementById('run-in-background-wrapper').classList.remove('display-none'); - { - // Two-way bind the input to the permission. - new Promise(r => chrome.permissions.contains({ permissions: ['background'] }, r)) - .then(contains => runInBackgroundInput.checked = contains); - chrome.permissions.onAdded.addListener(({ permissions }) => { - if (permissions.includes('background')) { - runInBackgroundInput.checked = true; - } + { // Two-way bind the input to the permission. + runInBackgroundInput.addEventListener('change', ({ target }) => { + onRunInBackgroundChange(target.checked); + // The permission request may be rejected, so only update the checkbox value inside + // the event listeners below. TODO Don't know if it's ok in terms of accessibility. + // Also maybe it's better looking in general to toggle the checkbox and toggle it back + // if the request is rejected. + target.checked = !target.checked; }); - chrome.permissions.onRemoved.addListener(({ permissions }) => { - if (permissions.includes('background')) { - runInBackgroundInput.checked = false; - } + + // The storage is the source of truth for `runInBackground`, not + // `chrome.permissions.contains({ permissions: ['background'] }`, because when the "Enabled" + // checkbox is off, we (may) revoke that permission. + new Promise(r => chrome.storage.local.get({ runInBackground: false }, r)) + .then(({ runInBackground }) => { + runInBackgroundInput.checked = runInBackground; }); - runInBackgroundInput.addEventListener('change', event => { - if (event.target.checked) { - new Promise(r => chrome.permissions.request({ permissions: ['background'] }, r)) - .then(granted => event.target.checked = granted); - } else { - chrome.permissions.remove({ permissions: ['background'] }); + chrome.storage.local.onChanged.addListener(changes => { + const runInBackgroundChange = changes.runInBackground; + if (runInBackgroundChange) { + runInBackgroundInput.checked = runInBackgroundChange.newValue; } }); } diff --git a/webext/embed.js b/webext/embed.js index b41d266..90dbe46 100644 --- a/webext/embed.js +++ b/webext/embed.js @@ -13,7 +13,16 @@ window.onload = () => { const popup = new Popup( (...args) => chrome.i18n.getMessage(...args), (event) => port.postMessage({ enabled: event.target.checked }), - () => port.postMessage({ retry: true }) + () => port.postMessage({ retry: true }), + ( + ( + typeof SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION !== 'undefined' + // eslint-disable-next-line no-undef + && SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION + ) + ? (newValue) => port.postMessage({ runInBackground: newValue }) + : undefined + ) );

port.onMessage.addListener((m) => {

This is an automated email from the git hooks/post-receive script.

shelikhoo pushed a commit to branch main in repository pluggable-transports/snowflake-webext.

commit 512ccde626a316335be0027550fbe0702da596e0 Author: WofWca wofwca@protonmail.com AuthorDate: Fri Jul 15 14:54:31 2022 +0300

refactor: get "enabled" button wrapper by id, not class name

As there are now two element with class "button" --- static/embed.html | 2 +- static/popup.js | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/static/embed.html b/static/embed.html index b0c4a95..be0e420 100644 --- a/static/embed.html +++ b/static/embed.html @@ -17,7 +17,7 @@ <p id="statusdesc"></p> <button type="button" id="retry">__MSG_popupRetry__</button> </div> - <div class="b button"> + <div id="enabled-wrapper" class="b button"> <label id="toggle" for="enabled">__MSG_popupEnabled__</label> <label class="switch"> <input id="enabled" type="checkbox" /> diff --git a/static/popup.js b/static/popup.js index fa7b8ed..05bf4f8 100644 --- a/static/popup.js +++ b/static/popup.js @@ -28,7 +28,7 @@ class Popup { this.statustext = document.getElementById('statustext'); this.statusdesc = document.getElementById('statusdesc'); this.img = document.getElementById('statusimg'); - this.button = document.querySelector('.button'); + this.enabledWrapper = document.getElementById('enabled-wrapper'); if ( typeof SUPPORTS_WEBEXT_OPTIONAL_BACKGROUND_PERMISSION !== 'undefined' // eslint-disable-next-line no-undef @@ -76,8 +76,8 @@ class Popup { this.statusdesc.innerText = desc; setClass(this.statusdesc, 'error', error); } - setButton(hide) { - this.button.style.display = hide ? 'none' : 'block'; + setEnabledWrapper(hide) { + this.enabledWrapper.style.display = hide ? 'none' : 'block'; } setRetry(display) { this.retry.style.display = display ? 'inline-block' : 'none'; @@ -109,7 +109,7 @@ class Popup { this.setStatusDesc((total > 0) ? this.getMsgFunc('popupDescOn', String(total)) : ''); this.setEnabled(true); this.setActive(this.active); - this.setButton(false); + this.setEnabledWrapper(false); this.setRetry(false); } turnOff(desc, error, retry) { @@ -118,7 +118,7 @@ class Popup { this.setStatusDesc(desc ? this.getMsgFunc(desc) : '', error); this.setEnabled(false); this.setActive(false); - this.setButton(error); + this.setEnabledWrapper(error); this.setRetry(retry); } missingFeature(desc) {