diff options
-rw-r--r-- | bg/ResponseProcessor.js | 10 | ||||
-rw-r--r-- | content/externalLicenseChecker.js | 8 | ||||
-rw-r--r-- | main_background.js | 49 |
3 files changed, 36 insertions, 31 deletions
diff --git a/bg/ResponseProcessor.js b/bg/ResponseProcessor.js index 7c264a4..e3d6c45 100644 --- a/bg/ResponseProcessor.js +++ b/bg/ResponseProcessor.js @@ -33,8 +33,8 @@ class ResponseProcessor { static install(handler, types = ["main_frame", "sub_frame", "script"]) { if (listeners.has(handler)) return false; - let listener = - request => new ResponseTextFilter(request).process(handler); + let listener = + async request => await new ResponseTextFilter(request).process(handler); listeners.set(handler, listener); webRequestEvent.addListener( listener, @@ -70,12 +70,12 @@ class ResponseTextFilter { (type === "script" || /\bhtml\b/i.test(md.contentType)); } - process(handler) { + async process(handler) { if (!this.canProcess) return ResponseProcessor.ACCEPT; let {metaData, request} = this; let response = {request, metaData}; // we keep it around allowing callbacks to store state if (typeof handler.pre === "function") { - let res = handler.pre(response); + let res = await handler.pre(response); if (res) return res; if (handler.post) handler = handler.post; if (typeof handler !== "function") ResponseProcessor.ACCEPT; @@ -101,7 +101,7 @@ class ResponseTextFilter { } catch(e) { console.error(e); } - if (metaData.forcedUTF8 || + if (metaData.forcedUTF8 && request.type !== "script" || editedText !== null && response.text !== editedText) { // if we changed the charset, the text or both, let's re-encode filter.write(new TextEncoder().encode(editedText)); diff --git a/content/externalLicenseChecker.js b/content/externalLicenseChecker.js index 89f871f..f150cea 100644 --- a/content/externalLicenseChecker.js +++ b/content/externalLicenseChecker.js @@ -79,9 +79,13 @@ } browser.runtime.onMessage.addListener(async m => { - if (m.action in handlers) { + if (m.action in handlers) try { debug("Received message", m); - return await handlers[m.action](m); + let result = await handlers[m.action](m); + console.debug("Returning", result); + return result; + } catch (e) { + console.error(e); } }); } diff --git a/main_background.js b/main_background.js index 0737926..a521d22 100644 --- a/main_background.js +++ b/main_background.js @@ -853,9 +853,9 @@ var ResponseHandler = { /** * Enforce white/black lists for url/site early (hashes will be handled later) */ - pre(response) { + async pre(response) { let {request} = response; - let {url, type, tabId} = request; + let {url, type, tabId, frameId} = request; url = ListStore.urlItem(url); let site = ListStore.siteItem(url); @@ -878,15 +878,31 @@ var ResponseHandler = { }); } else { let whitelistedSite = whitelist.contains(site); - if ((response.whitelisted = (whitelistedSite || whitelist.contains(url))) - && type === "script") { - // accept the script and stop processing - addReportEntry(tabId, url, {url: topUrl, - "whitelisted": [url, whitelistedSite ? `User whitelisted ${site}` : "Whitelisted by user"]}); - return ResponseProcessor.ACCEPT; + let whitelisted = response.whitelisted = whitelistedSite || whitelist.contains(url); + if (type === "script") { + if (whitelisted) { + // accept the script and stop processing + addReportEntry(tabId, url, {url: topUrl, + "whitelisted": [url, whitelistedSite ? `User whitelisted ${site}` : "Whitelisted by user"]}); + return ResponseProcessor.ACCEPT; + } else { + let scriptInfo = await ExternalLicenses.check({url, tabId, frameId}); + if (scriptInfo) { + let verdict, ret; + let msg = scriptInfo.toString(); + if (scriptInfo.allFree) { + verdict = "accepted"; + ret = ResponseProcessor.ACCEPT; + } else { + verdict = "blocked"; + ret = ResponseProcessor.REJECT; + } + addReportEntry(tabId, url, {url, [verdict]: [url, msg]}); + return ret; + } + } } } - // it's a page (it's too early to report) or an unknown script: // let's keep processing return ResponseProcessor.CONTINUE; @@ -909,21 +925,6 @@ async function handle_script(response, whitelisted){ let {text, request} = response; let {url, tabId, frameId} = request; url = ListStore.urlItem(url); - if (!whitelisted) { - let scriptInfo = await ExternalLicenses.check({url, tabId, frameId}); - if (scriptInfo) { - let verdict; - let msg = scriptInfo.toString(); - if (scriptInfo.allFree) { - verdict = "accepted"; - } else { - verdict = "blocked"; - text = `/* ${msg} */`; - } - addReportEntry(tabId, url, {url, [verdict]: [url, msg]}); - return text; - } - } let edited = await get_script(text, url, tabId, whitelisted, -2); return Array.isArray(edited) ? edited[0] : edited; } |