Refactor request handling (#787)
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@ -401,8 +401,7 @@ const MathJaxFiles = {
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/**
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* To block bad resources, e.g. fingerprint
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*
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* Necessary if the user has selected the option "Block requests for missing
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* resources Advanced" option is not enabled.
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* Required if the user has not enabled the "Block requests for missing resources" option.
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*
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* https://codeberg.org/nobody/LocalCDN/issues/703
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*/
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@ -420,6 +419,7 @@ const LogString = {
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'YANDEX': 'Workaround. Disable LocalCDN if website and CDN are the same',
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'REPLACED_RESOURCE': 'Replaced resource:',
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'MISSING_RESOURCE': 'Missing resource:',
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'EVIL_RESOURCE_BLOCKED': 'Evil resource blocked:',
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};
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// Supported charsets for TextDecoder()
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@ -31,10 +31,9 @@ var interceptor = {};
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*/
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interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
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let validCandidate, targetDetails, targetPath, targetDetailURL;
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let validCandidate, targetDetails, targetDomain;
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validCandidate = requestAnalyzer.isValidCandidate(requestDetails, tab);
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if (!validCandidate) {
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return {
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'cancel': false
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@ -42,20 +41,17 @@ interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
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}
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if (interceptor._isBadResource(requestDetails.url)) {
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console.log(`[ LocalCDN ] Evil resource blocked: ${requestDetails.url}`);
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console.log(`${LogString.PREFIX} ${LogString.EVIL_RESOURCE_BLOCKED} ${requestDetails.url}`);
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log.append(tab.url, requestDetails.url, '-', true);
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return {
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'cancel': true
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};
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}
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targetDetails = requestAnalyzer.getLocalTarget(requestDetails, tab.url);
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targetPath = targetDetails.path;
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targetDomain = helpers.extractDomainFromUrl(requestDetails.url, true);
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if (Regex.GOOGLE_FONTS.test(requestDetails.url)) {
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if (requestAnalyzer.isGoogleFont(targetDomain) && !requestAnalyzer.isGoogleMaterialIcons(requestDetails.url)) {
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let initiatorDomain, isListed;
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initiatorDomain = helpers.extractDomainFromUrl(tab.url, true);
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isListed = helpers.checkAllowlisted(initiatorDomain, interceptor.allowedDomainsGoogleFonts);
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// Check if the website is allowed to load Google Fonts
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@ -70,13 +66,13 @@ interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
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}
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}
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targetDetailURL = helpers.extractDomainFromUrl(requestDetails.url, true);
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targetDetails = requestAnalyzer.getLocalTarget(requestDetails, tab.url);
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console.log(targetDetails['result']);
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if (targetDetails === false && !IgnoredHost[targetDetailURL]) {
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++stateManager.tabs[tabIdentifier].missing;
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}
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if (!targetDetails) {
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if (targetDetails['result'] === false) {
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if (!IgnoredHost[targetDomain]) {
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++stateManager.tabs[tabIdentifier].missing;
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}
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return interceptor._handleMissingCandidate(requestDetails.url, tabIdentifier);
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}
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@ -85,7 +81,7 @@ interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
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};
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return {
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'redirectUrl': chrome.runtime.getURL(targetPath + fileGuard.secret)
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'redirectUrl': chrome.runtime.getURL(targetDetails.path + fileGuard.secret)
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};
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};
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@ -31,7 +31,7 @@ var requestAnalyzer = {};
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*/
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requestAnalyzer.isValidCandidate = function (requestDetails, tabDetails) {
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let initiatorDomain, isAllowlisted;
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let initiatorDomain, requestedDomain, isAllowlisted;
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initiatorDomain = helpers.extractDomainFromUrl(tabDetails.url, true);
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@ -39,6 +39,12 @@ requestAnalyzer.isValidCandidate = function (requestDetails, tabDetails) {
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initiatorDomain = Address.EXAMPLE;
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}
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// If requested Domain not in mappings.js it is not relevant
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requestedDomain = helpers.extractDomainFromUrl(requestDetails.url, true);
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if (mappings['cdn'][requestedDomain] === undefined) {
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return false;
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}
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isAllowlisted = helpers.checkAllowlisted(initiatorDomain, requestAnalyzer.allowlistedDomains);
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if (isAllowlisted) {
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return false;
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@ -46,11 +52,12 @@ requestAnalyzer.isValidCandidate = function (requestDetails, tabDetails) {
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// Font Awesome injections in Chromium deactivated (https://gitlab.com/nobody42/localcdn/-/issues/67)
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if (BrowserType.CHROMIUM) {
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if ((/(font-awesome|fontawesome)/).test(requestDetails.url)) {
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if (requestDetails.url.includes('font-awesome') || requestDetails.url.includes('fontawesome')) {
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console.warn(`${LogString.PREFIX} ${LogString.FONT_AWESOME}`);
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log.append(tabDetails.url, requestDetails.url, LogString.FONT_AWESOME, true);
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return false;
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} else if (requestDetails.url.startsWith('https://fonts.googleapis.com')) {
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}
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if (requestAnalyzer._isGoogleMaterialIcons(requestedDomain, requestDetails.url)) {
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// also valid for Google Material icons
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console.warn(`${LogString.PREFIX} ${LogString.GOOGLE_MATERIAL_ICONS}`);
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log.append(tabDetails.url, requestDetails.url, LogString.GOOGLE_MATERIAL_ICONS, true);
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@ -58,7 +65,7 @@ requestAnalyzer.isValidCandidate = function (requestDetails, tabDetails) {
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}
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}
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// Disable LocalCDN if website is 'yandex.com' and CDN is 'yastatic.net', because website and CDN are the same.
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// Ignore requests if website is 'yandex.com' and CDN is 'yastatic.net', because website and CDN are the same.
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if (tabDetails.url.includes('yandex.com') && requestDetails.url.includes('yastatic.net')) {
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log.append(tabDetails.url, requestDetails.url, LogString.YANDEX, true);
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return false;
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@ -68,6 +75,14 @@ requestAnalyzer.isValidCandidate = function (requestDetails, tabDetails) {
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return requestDetails.method === WebRequest.GET;
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};
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requestAnalyzer.isGoogleMaterialIcons = function (url) {
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return url.includes('Material+Icons') || url.includes('materialicons');
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};
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requestAnalyzer.isGoogleFont = function (domain) {
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return domain.includes('fonts.googleapis.com') || domain.includes('fonts.gstatic.com');
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};
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requestAnalyzer.getLocalTarget = function (requestDetails, initiator) {
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let destinationUrl, destinationHost, destinationPath, hostMappings, basePath,
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resourceMappings, destinationSearchString;
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@ -155,7 +170,9 @@ requestAnalyzer._findLocalTarget = function (resourceMappings, basePath, channel
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}
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if (resourcePattern === undefined) {
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return false;
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return {
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'result': false,
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};
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}
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for (let resourceMold of Object.keys(resourceMappings)) {
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@ -166,7 +183,9 @@ requestAnalyzer._findLocalTarget = function (resourceMappings, basePath, channel
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// Replace the requested version with the latest depending on major version
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versionDelivered = targets.setLastVersion(targetPath, versionNumber);
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if (versionDelivered === false) {
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return false;
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return {
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'result': false,
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};
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}
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versionDelivered = versionDelivered.toString();
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targetPath = targetPath.replace(versionNumber, versionDelivered);
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@ -206,7 +225,9 @@ requestAnalyzer._findLocalTarget = function (resourceMappings, basePath, channel
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console.warn(`${LogString.PREFIX} ${LogString.MISSING_RESOURCE} ${channelHost}${channelPath}`);
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log.append(initiator, channelHost + channelPath, '-', true);
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}
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return false;
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return {
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'result': false,
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};
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};
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requestAnalyzer._getPathOfBundle = function (initiator, channelHost, channelPath, targetPath, bundle) {
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@ -29,6 +29,10 @@
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<ul>
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<li>bootstrap.bundle.min.js -> stackpath.bootstrapcdn.com (<a href="https://codeberg.org/nobody/LocalCDN/issues/785">#785</a>)</li>
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</ul>
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<p>Improved</p>
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<ul>
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<li>Request handling (<a href="https://codeberg.org/nobody/LocalCDN/issues/787">#787</a>)</li>
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</ul>
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</div>
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<div id="generator-section">
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<div class="topic-label">
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