commit 931f0659c42fe317fd8ccae0d9210f8814dcf8ea Author: Arthur Edelstein arthuredelstein@gmail.com Date: Mon Jul 16 17:58:33 2018 -0700

Bug 26520: Fix sec slider/NoScript for TOR_SKIP_LAUNCH=1

We need to wait for NoScript to have launched before we send the first settings message from the security slider. So wait for NoScript to send us a message first. --- src/modules/noscript-control.js | 75 ++++++++++++++++++++++++----------------- 1 file changed, 44 insertions(+), 31 deletions(-)

diff --git a/src/modules/noscript-control.js b/src/modules/noscript-control.js index 196d14c2..14f78c49 100644 --- a/src/modules/noscript-control.js +++ b/src/modules/noscript-control.js @@ -9,6 +9,9 @@ const { LegacyExtensionContext } = Cu.import("resource://gre/modules/LegacyExtensionsUtils.jsm", {}); const { bindPrefAndInit } = Cu.import("resource://torbutton/modules/utils.js", {}); +let logger = Components.classes["@torproject.org/torbutton-logger;1"] + .getService(Components.interfaces.nsISupports).wrappedJSObject; +let log = (level, msg) => logger.log(level, msg);

// ## NoScript settings

@@ -80,34 +83,6 @@ let noscriptSettings = safetyLevel => ( // The extension ID for NoScript (WebExtension) const noscriptID = "{73a6fe31-595d-460b-a920-fcc0f8843232}";

-// A mock extension object that can communicate with another extension -// via the WebExtensions sendMessage/onMessage mechanism. -let extensionContext = new LegacyExtensionContext({ id : noscriptID }); - -// The component that handles WebExtensions' sendMessage. -let messageManager = extensionContext.messenger.messageManagers[0]; - -// __setNoScriptSettings(settings)__. -// NoScript listens for internal settings with onMessage. We can send -// a new settings JSON object according to NoScript's -// protocol and these are accepted! See the use of -// `browser.runtime.onMessage.addListener(...)` in NoScript's bg/main.js. -let sendNoScriptSettings = settings => - extensionContext.messenger.sendMessage(messageManager, settings, noscriptID); - -// __setNoScriptSafetyLevel(safetyLevel)__. -// Set NoScript settings according to a particular safety level -// (security slider level): 0 = Standard, 1 = Safer, 2 = Safest -let setNoScriptSafetyLevel = safetyLevel => - sendNoScriptSettings(noscriptSettings(safetyLevel)); - -// ## Slider binding - -// __securitySliderToSafetyLevel(sliderState)__. -// Converts the "extensions.torbutton.security_slider" pref value -// to a "safety level" value: 0 = Standard, 1 = Safer, 2 = Safest -let securitySliderToSafetyLevel = sliderState => [undefined, 2, 1, 1, 0][sliderState]; - // Ensure binding only occurs once. let initialized = false;

@@ -119,9 +94,47 @@ var initialize = () => { return; } initialized = true; - bindPrefAndInit( - "extensions.torbutton.security_slider", - sliderState => setNoScriptSafetyLevel(securitySliderToSafetyLevel(sliderState))); + + try { + // A mock extension object that can communicate with another extension + // via the WebExtensions sendMessage/onMessage mechanism. + let extensionContext = new LegacyExtensionContext({ id : noscriptID }); + + // The component that handles WebExtensions' sendMessage. + let messageManager = extensionContext.messenger.messageManagers[0]; + + // __setNoScriptSettings(settings)__. + // NoScript listens for internal settings with onMessage. We can send + // a new settings JSON object according to NoScript's + // protocol and these are accepted! See the use of + // `browser.runtime.onMessage.addListener(...)` in NoScript's bg/main.js. + let sendNoScriptSettings = settings => + extensionContext.messenger.sendMessage(messageManager, settings, noscriptID); + + // __setNoScriptSafetyLevel(safetyLevel)__. + // Set NoScript settings according to a particular safety level + // (security slider level): 0 = Standard, 1 = Safer, 2 = Safest + let setNoScriptSafetyLevel = safetyLevel => + sendNoScriptSettings(noscriptSettings(safetyLevel)); + + // __securitySliderToSafetyLevel(sliderState)__. + // Converts the "extensions.torbutton.security_slider" pref value + // to a "safety level" value: 0 = Standard, 1 = Safer, 2 = Safest + let securitySliderToSafetyLevel = sliderState => + [undefined, 2, 1, 1, 0][sliderState]; + + // Wait for the first message from NoScript to arrive, and then + // bind the security_slider pref to the NoScript settings. + let messageListener = (a,b,c) => { + extensionContext.api.browser.runtime.onMessage.removeListener(messageListener); + bindPrefAndInit( + "extensions.torbutton.security_slider", + sliderState => setNoScriptSafetyLevel(securitySliderToSafetyLevel(sliderState))); + }; + extensionContext.api.browser.runtime.onMessage.addListener(messageListener); + } catch (e) { + log(5, e.message); + } };

// Export initialize() function for external use.