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this fixes #101
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gorhill
parent
6cd967e6d7
commit
86870dadb7
181
js/traffic.js
181
js/traffic.js
@ -29,26 +29,92 @@
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/******************************************************************************/
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// Intercept root frame requests. This is where we identify and block popups.
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// Intercept and filter web requests according to white and black lists.
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var onBeforeRootDocument = function(tabId, details) {
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var µb = µBlock;
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var onBeforeRequest = function(details) {
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//console.debug('onBeforeRequest()> "%s": %o', details.url, details);
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// Ignore non-http schemes: I don't think this could ever happened
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// because of filters at addListener() time... Will see.
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var requestURL = details.url;
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if ( requestURL.slice(0, 4) !== 'http' ) {
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console.error('onBeforeRootDocument(): Unexpected scheme!');
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µb.unbindTabFromPageStats(tabId);
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// Do not block behind the scene requests.
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var tabId = details.tabId;
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if ( tabId < 0 ) {
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return;
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}
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var µb = µBlock;
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var requestURL = details.url;
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var requestType = details.type;
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// Special handling for root document.
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if ( requestType === 'main_frame' && details.parentFrameId === -1 ) {
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µb.bindTabToPageStats(tabId, requestURL);
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return;
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}
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var µburi = µb.URI.set(requestURL);
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var requestHostname = µburi.hostname;
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var requestPath = µburi.path;
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// rhill 2013-12-15:
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// Try to transpose generic `other` category into something more
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// meaningful.
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if ( requestType === 'other' ) {
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requestType = µb.transposeType(requestType, requestPath);
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}
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// Lookup the page store associated with this tab id.
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var pageStore = µb.bindTabToPageStats(tabId, requestURL);
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var pageStore = µb.pageStoreFromTabId(tabId);
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if ( !pageStore ) {
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return;
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}
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var reason = false;
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if ( µb.getNetFilteringSwitch(pageStore.pageHostname) ) {
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reason = µb.abpFilters.matchString(pageStore, requestURL, requestType, requestHostname);
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}
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// Record what happened.
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pageStore.recordRequest(requestType, requestURL, reason);
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// Not blocked?
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if ( reason === false || reason.slice(0, 2) === '@@' ) {
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return;
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}
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// Blocked
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//console.debug('µBlock> onBeforeRequest()> BLOCK "%s" because "%s"', details.url, reason);
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// https://github.com/gorhill/uBlock/issues/18
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// Do not use redirection, we need to block outright to be sure the request
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// will not be made. There can be no such guarantee with redirection.
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return { 'cancel': true };
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};
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/******************************************************************************/
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// Intercept root frame requests. This is where we identify and block popups.
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var onBeforeSendHeaders = function(details) {
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// Do not block behind the scene requests.
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var tabId = details.tabId;
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if ( tabId < 0 ) {
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return;
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}
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// Only root document.
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if ( details.parentFrameId !== -1 ) {
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return;
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}
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var µb = µBlock;
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var requestURL = details.url;
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// Lookup the page store associated with this tab id.
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var pageStore = µb.pageStoreFromTabId(tabId);
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if ( !pageStore ) {
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console.error('µBlock> onBeforeSendHeaders(): no page store for "%s"', requestURL);
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return;
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}
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// Heuristic to determine whether we are dealing with a popup:
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// - the page store is new (it's not a reused one)
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// - the referrer is not nil
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@ -98,73 +164,6 @@ var onBeforeRootDocument = function(tabId, details) {
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/******************************************************************************/
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// Intercept and filter web requests according to white and black lists.
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var onBeforeSendHeaders = function(details) {
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//console.debug('onBeforeRequestHandler()> "%s": %o', details.url, details);
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// Do not block behind the scene requests.
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var tabId = details.tabId;
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if ( tabId < 0 ) {
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return;
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}
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// Special handling for root document.
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var requestType = details.type;
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if ( requestType === 'main_frame' && details.parentFrameId === -1 ) {
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return onBeforeRootDocument(tabId, details);
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}
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// Ignore non-http schemes: I don't think this could ever happened
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// because of filters at addListener() time... Will see.
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var requestURL = details.url;
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if ( requestURL.slice(0, 4) !== 'http' ) {
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console.error('onBeforeSendHeaders(): Unexpected scheme!');
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return;
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}
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var µb = µBlock;
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var µburi = µb.URI.set(requestURL);
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var requestHostname = µburi.hostname;
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var requestPath = µburi.path;
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// rhill 2013-12-15:
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// Try to transpose generic `other` category into something more
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// meaningful.
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if ( requestType === 'other' ) {
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requestType = µb.transposeType(requestType, requestPath);
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}
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// Lookup the page store associated with this tab id.
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var pageStore = µb.pageStoreFromTabId(tabId);
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if ( !pageStore ) {
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return;
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}
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var reason = false;
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if ( µb.getNetFilteringSwitch(pageStore.pageHostname) ) {
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reason = µb.abpFilters.matchString(pageStore, requestURL, requestType, requestHostname);
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}
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// Record what happened.
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pageStore.recordRequest(requestType, requestURL, reason);
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// Not blocked?
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if ( reason === false || reason.slice(0, 2) === '@@' ) {
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return;
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}
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// Blocked
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//console.debug('µBlock> onBeforeSendHeaders()> BLOCK "%s" because "%s"', details.url, reason);
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// https://github.com/gorhill/uBlock/issues/18
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// Do not use redirection, we need to block outright to be sure the request
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// will not be made. There can be no such guarantee with redirection.
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return { 'cancel': true };
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};
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/******************************************************************************/
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var referrerFromHeaders = function(headers) {
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var i = headers.length;
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while ( i-- ) {
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@ -177,14 +176,14 @@ var referrerFromHeaders = function(headers) {
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/******************************************************************************/
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chrome.webRequest.onBeforeSendHeaders.addListener(
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chrome.webRequest.onBeforeRequest.addListener(
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//function(details) {
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// quickProfiler.start('onBeforeSendHeaders');
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// var r = onBeforeSendHeaders(details);
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// quickProfiler.start('onBeforeRequest');
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// var r = onBeforeRequest(details);
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// quickProfiler.stop();
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// return r;
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//},
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onBeforeSendHeaders,
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onBeforeRequest,
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{
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"urls": [
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"http://*/*",
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@ -201,6 +200,26 @@ chrome.webRequest.onBeforeSendHeaders.addListener(
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"other"
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]
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},
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[ "blocking" ]
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);
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chrome.webRequest.onBeforeSendHeaders.addListener(
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//function(details) {
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// quickProfiler.start('onBeforeSendHeaders');
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// var r = onBeforeSendHeaders(details);
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// quickProfiler.stop();
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// return r;
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//},
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onBeforeSendHeaders,
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{
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"urls": [
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"http://*/*",
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"https://*/*",
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],
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"types": [
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"main_frame"
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]
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},
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[ "blocking", "requestHeaders" ]
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);
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