Remove symlinked scripts from WebExtension driver

main
Elbert Alias 8 years ago
parent cba85bcee8
commit 7b91a45134

File diff suppressed because it is too large Load Diff

@ -1,784 +0,0 @@
'use strict';
(function() {
function isChrome() {
return (typeof chrome !== 'undefined' &&
window.navigator.userAgent.match(/Chrom(?:e|ium)\/([0-9\.]+)/));
}
var browserProxy;
if ( isChrome() ) {
browserProxy = chrome;
} else {
browserProxy = browser;
}
var MIN_FF_MAJOR_VERSION = 51;
var requiredBrowserApis = [
browserProxy.webNavigation,
browserProxy.tabs,
browserProxy.webRequest,
browserProxy.runtime
];
var areListenersRegistered = false;
var secBefore = 2000;
var secAfter = 5000;
var secBetweenDupAssets = 10e3;
var minVidSize = 500e3;
var maxVidSize = 25e6;
var maxContentRange = 25e6;
var videoExtensions = [
'af', '3gp', 'asf', 'avchd', 'avi', 'cam', 'dsh', 'flv', 'm1v', 'm2v',
'fla', 'flr', 'sol', 'm4v', 'mkv', 'wrap', 'mng', 'mov', 'mpeg', 'mpg',
'mpe', 'mp4', 'mxf', 'nsv', 'ogg', 'rm', 'svi', 'smi', 'wmv', 'webm'
];
var extensionsReg = new RegExp('\\.' + videoExtensions.join('$|\\.') + '$');
var videoContentTypesPrefixes = ['binary/octet-stream', 'video/', 'flv-application/', 'media'];
var bannedContentTypes = ['video/mp2t','video/f4m','video/f4f'];
var bannedFiletypes = ['ts'];
var bannedFiletypesReg = new RegExp('\\.' + bannedFiletypes.join('$|\\.') + '$');
var whitelistReqTypes = ['object', 'xmlhttprequest', 'other'];
var topVideoAssetDomains = [
'2mdn.net',
'adap.tv',
'adnxs.com',
'adsrvr.org',
'btrll.com',
'celtra.com',
'flashtalking.com',
'flite.com',
'innovid.com',
'jivox.com',
'mixpo.com',
'nytimes.com',
'playwire.com',
'selectmedia.asia',
'serving-sys.com',
'solvemedia.com',
'spotible.com',
'teads.tv',
'tribalfusion.com',
'tubemogul.com',
'videologygroup.com',
'washingtonpost.com'
];
if ( !String.prototype.endsWith ) {
String.prototype.endsWith = function(searchString, position) {
var subjectString = this.toString();
if ( typeof position !== 'number' || !isFinite(position) ||
Math.floor(position) !== position || position > subjectString.length) {
position = subjectString.length;
}
position -= searchString.length;
var lastIndex = subjectString.indexOf(searchString, position);
return lastIndex !== -1 && lastIndex === position;
};
}
function getFrame(getFrameDetails, callback) {
if ( typeof chrome !== 'undefined' ) {
chrome.webNavigation.getFrame(getFrameDetails, callback);
} else if ( typeof browser !== 'undefined' ) {
var gettingFrame = browser.webNavigation.getFrame(getFrameDetails);
gettingFrame.then(callback);
}
}
function ifBrowserValid(callback, elseCallback) {
if ( isChrome() ) {
callback();
} else if ( typeof browser !== 'undefined' ) {
try {
var gettingInfo = browser.runtime.getBrowserInfo();
gettingInfo.then(function(browserInfo) {
var browserVersion = parseInt(browserInfo.version.split('.')[0]);
if ( browserInfo.name === 'Firefox' &&
browserVersion >= MIN_FF_MAJOR_VERSION) {
callback();
} else {
elseCallback();
}
});
} catch (err) {
elseCallback();
}
} else {
elseCallback();
}
}
function isTrackingEnabled() {
return parseInt(localStorage.tracking, 10);
}
function isPixelRequest(request) {
return (request.type === 'image' || request.responseStatus === 204) &&
request.size <= 1000;
}
function isVpaidOrVastRequest(request) {
var lowerCaseUrl = request.url.toLowerCase();
return lowerCaseUrl.indexOf('vpaid') !== -1 || lowerCaseUrl.indexOf('vast') !== -1;
}
function hasValidRequestType(request) {
return whitelistReqTypes.indexOf(request.type) >= 0;
}
function stripQueryParams(url) {
return url.split('?', 1)[0];
}
function parseHostnameFromUrl(url) {
var parser = document.createElement('a');
parser.href = url;
return parser.hostname;
}
function hasDomain(url, domain) {
return parseHostnameFromUrl(url).endsWith(domain);
}
function findHeader(headers, key) {
var header;
for ( var i = 0; i < headers.length; i += 1 ) {
header = headers[i];
if ( header.name.toLowerCase() === key ) {
return header;
}
}
return null;
}
function validVideoType(vtype) {
var goodType = videoContentTypesPrefixes.some(function(prefix) {
return vtype.indexOf(prefix) === 0;
});
return goodType;
}
function assetMsgKey(assetReq) {
var url = stripQueryParams(assetReq.url);
var key = assetReq.frameId + '-' + url;
return key;
}
var PageNetworkTrafficCollector = function(tabId) {
this.tabId = tabId;
this.displayAdFound = false;
this.requests = {};
this.msgsBeingSent = {};
this.assetsSeen = {};
this.allRedirects = {};
};
var globalPageContainer = {
collectors: {},
dyingCollectors: {},
cleanupCollector: function(tabId) {
if ( tabId in this.collectors ) {
delete globalPageContainer.collectors[tabId];
}
},
onNewNavigation: function(details) {
var tabId = details.tabId;
this.cleanupCollector(tabId);
if ( isTrackingEnabled() ) {
if ( !areListenersRegistered ) {
registerListeners();
}
this.collectors[tabId] = new PageNetworkTrafficCollector(tabId);
} else {
if ( areListenersRegistered ) {
unregisterListeners();
}
}
},
onNavigationCommitted: function(details) {
},
onNavigationCompleted: function(details) {
},
onTabClose: function(tabId, closeInfo) {
this.cleanupCollector(tabId);
delete this.collectors[tabId];
},
onDisplayAdFound: function(tabId) {
this.collectors[tabId].displayAdFound = true;
},
getRandId: function() {
return String(Math.floor(Math.random() * 1e9));
},
getCollector: function(tabId) {
if ( this.collectors.hasOwnProperty(tabId) ) {
return this.collectors[tabId];
}
return null;
},
forwardCall: function(details, collectorMemberFunction) {
var collector = this.getCollector(details.tabId);
if ( collector !== null ) {
collectorMemberFunction.apply(collector, [details]);
}
}
};
PageNetworkTrafficCollector.prototype.sendLogMessageToTabConsole = function() {
var logMessage = Array.from(arguments).join(' ');
var message = {message: logMessage, event: 'console-log-message'};
browserProxy.tabs.sendMessage(this.tabId, message);
};
PageNetworkTrafficCollector.prototype.sendToTab = function(assetReq, reqs, curPageUrl, isValidAd) {
var msg = {};
msg.assets = [];
msg.event_data = {};
if ( isValidAd ) {
msg.event = 'new-video-ad';
msg.requests = reqs;
msg.requests.sort(function(reqA, reqB) {return reqA.requestTimestamp - reqB.requestTimestamp;});
if ( assetReq ) {
msg.assets = [assetReq];
}
} else {
msg.requests = reqs.map(function(request) {
return parseHostnameFromUrl(request.url);
});
msg.assets = [{
url: parseHostnameFromUrl(assetReq.url),
contentType: assetReq.contentType,
size: assetReq.size
}];
msg.event = 'new-invalid-video-ad';
}
msg.origUrl = curPageUrl;
msg.displayAdFound = this.displayAdFound;
browserProxy.tabs.sendMessage(this.tabId, msg);
};
PageNetworkTrafficCollector.prototype.getRedirKey = function(url, frameId) {
return url + ':' + frameId;
};
PageNetworkTrafficCollector.prototype.seenBefore = function(request) {
var oldTime = this.assetsSeen[assetMsgKey(request)];
if ( oldTime && (request.requestTimestamp-oldTime < secBetweenDupAssets)){
return true;
}
return false;
};
PageNetworkTrafficCollector.prototype.recordSeenAsset = function(request) {
this.assetsSeen[assetMsgKey(request)] = request.requestTimestamp;
};
PageNetworkTrafficCollector.prototype.onBeforeRequest = function(details) {
var req = {
url: details.url,
type: details.type,
httpMethod: details.method,
frameId: details.frameId,
parentFrameId: details.parentFrameId,
requestTimestamp: details.timeStamp,
};
this.requests[details.requestId] = req;
};
PageNetworkTrafficCollector.prototype.onSendHeaders = function(details) {
var request, header;
request = this.requests[details.requestId];
header = request && findHeader(details.requestHeaders, 'x-requested-with');
if ( header && header.value.toLowerCase().indexOf('flash') > -1 ) {
request.from_flash = true;
}
};
PageNetworkTrafficCollector.prototype.onHeadersReceived = function(details) {
var getFrameDetails = {
tabId: details.tabId,
processId: null,
frameId: details.frameId
};
var pageNetworkTrafficController = this;
getFrame(getFrameDetails, function(frameDetails) {
if ( frameDetails && frameDetails.url ) {
pageNetworkTrafficController._onHeadersReceived(details, frameDetails);
}
});
};
PageNetworkTrafficCollector.prototype._onHeadersReceived = function(details, frameDetails) {
var contentSize, contentRange;
var request = this.requests[details.requestId];
if ( request ) {
var redirParent = this.allRedirects[this.getRedirKey(details.url, details.frameId)];
var header = request && findHeader(details.responseHeaders, 'content-type');
var contentType = header && header.value.toLowerCase();
if ( contentType){
request.contentType = contentType;
}
header = request && findHeader(details.responseHeaders, 'content-length');
contentSize = header && header.value;
if ( contentSize ) {
request.size = request.size || 0;
request.size += parseInt(contentSize);
}
header = request && findHeader(details.responseHeaders, 'content-range');
contentRange = header && header.value;
if ( contentRange ) {
request.contentRange = parseInt(contentRange.split('/')[1]);
}
var frameUrl = null;
if ( frameDetails && frameDetails.url ) {
frameUrl = frameDetails.url;
}
if ( !this.bannedRequest(request) &&
(this.isVideoReq(frameUrl, request) || (redirParent && redirParent.isVideo))) {
request.isVideo = true;
}
}
};
PageNetworkTrafficCollector.prototype.onBeforeRedirect = function(details) {
var request = this.requests[details.requestId];
if ( request ) {
if ( request.redirects ) {
request.redirects.push(details.redirectUrl);
} else {
request.redirects = [details.redirectUrl];
}
this.allRedirects[this.getRedirKey(details.redirectUrl, details.frameId)] = request;
}
};
PageNetworkTrafficCollector.prototype.isYoutubeMastheadRequest = function(url) {
var re = /video_masthead/;
return this.hasYoutubeDomain(url) && re.test(url);
};
PageNetworkTrafficCollector.prototype.isYoutubeVideoRequest = function(srcUrl, destUrl) {
if ( !this.hasYoutubeDomain(srcUrl) ) {
return false;
}
var re = /https?:\/\/r.*?\.googlevideo\.com\/videoplayback\?/;
return re.test(destUrl);
};
PageNetworkTrafficCollector.prototype.processResponse = function(requestDetails, frameDetails) {
var request;
if ( requestDetails ) {
request = this.requests[requestDetails.requestId];
if ( request ) {
request.responseStatus = requestDetails.statusCode;
request.responseTimestamp = requestDetails.timeStamp;
var frameUrl = null;
if ( frameDetails && frameDetails.url ) {
frameUrl = frameDetails.url;
}
var requestUrl = null;
if ( request.url ) {
requestUrl = request.url;
}
if ( this.isYoutubeAdReq(frameUrl, requestUrl) ) {
var videoId = this.parseYoutubeVideoIdFromUrl(requestUrl);
if ( videoId ) {
request.isYoutubeAd = true;
request.isVideo = true;
request.url = 'https://www.youtube.com/watch?v=' + this.parseYoutubeVideoIdFromUrl(requestUrl);
}
} else if ( !this.bannedRequest(request) &&
(this.isVideo || this.isVideoReq(frameUrl, request))) {
request.isVideo = true;
}
if ( request.isVideo ) {
var msgKey = assetMsgKey(request);
this.msgsBeingSent[msgKey] = request;
if ( !this.seenBefore(request) ) {
this.sendMsgWhenQuiet(msgKey);
}
this.recordSeenAsset(request);
}
}
}
};
PageNetworkTrafficCollector.prototype.onResponseStarted = function(responseDetails) {
if ( responseDetails.frameId < 0 ) {
responseDetails.frameId = 99999;
}
var getFrameDetails = {
tabId: responseDetails.tabId,
processId: null,
frameId: responseDetails.frameId
};
var pageNetworkTrafficController = this;
getFrame(getFrameDetails, function(frameDetails) {
if ( frameDetails && frameDetails.url ) {
pageNetworkTrafficController.processResponse(responseDetails, frameDetails);
}
});
};
PageNetworkTrafficCollector.prototype.hasBannedFiletype = function(request) {
var url = stripQueryParams(request.url);
if ( bannedFiletypesReg.exec(url) ) {
return true;
} else {
return false;
}
};
PageNetworkTrafficCollector.prototype.checkContentHeaders = function(request) {
if ( request.contentType && validVideoType(request.contentType) ) {
return true;
}
return false;
};
PageNetworkTrafficCollector.prototype.checkUrlExtension = function(request) {
var url = stripQueryParams(request.url);
if ( extensionsReg.exec(url) ) {
return true;
} else {
return false;
}
};
PageNetworkTrafficCollector.prototype.isVideoReq = function(srcUrl, request) {
if ( this.isYoutubeVideoRequest(srcUrl, request.url) ) {
return false;
}
return this.checkUrlExtension(request) || this.checkContentHeaders(request);
};
PageNetworkTrafficCollector.prototype.hasYoutubeDomain = function(url) {
var hostname = parseHostnameFromUrl(url) ;
if ( hostname === 'www.youtube.com' ) {
return true;
}
return false;
};
PageNetworkTrafficCollector.prototype.parseYoutubeVideoIdFromUrl = function(url) {
var re = /^https?:\/\/www\.youtube\.com\/get_video_info.*(?:\?|&)video_id=(.*?)(?:$|&)/;
var match = re.exec(url);
if ( match && match.length > 1 ) {
return match[1];
}
re = /^https?:\/\/www\.youtube\.com\/embed\/(.*?)(?:$|\?)/;
match = re.exec(url);
if ( match && match.length > 1 ) {
return match[1];
}
re = /^https?:\/\/www\.youtube\.com\/watch\?v=(.*$)/;
match = re.exec(url);
if ( match && match.length > 1 ) {
return match[1];
}
return null;
};
PageNetworkTrafficCollector.prototype.isYoutubeGetVideoInfoReq = function(url) {
var re = /^https?:\/\/www\.youtube\.com\/get_video_info\?/;
return re.test(url);
};
PageNetworkTrafficCollector.prototype.isYoutubeAdReq = function(srcUrl, destUrl) {
if ( !this.hasYoutubeDomain(srcUrl) ||
!this.isYoutubeGetVideoInfoReq(destUrl)) {
return false;
}
if ( this.parseYoutubeVideoIdFromUrl(srcUrl) ===
this.parseYoutubeVideoIdFromUrl(destUrl) &&
!this.isYoutubeMastheadRequest(destUrl)) {
return false;
}
return true;
};
PageNetworkTrafficCollector.prototype.bannedRequest = function(request) {
return this.bannedVideoType(request) || this.hasBannedFiletype(request) || this.bannedVideoSize(request);
};
PageNetworkTrafficCollector.prototype.bannedVideoType = function(request) {
var badType = false;
if ( request.contentType ) {
badType = bannedContentTypes.some(function(prefix) {
return request.contentType.indexOf(prefix) >= 0;
});
}
return badType;
};
PageNetworkTrafficCollector.prototype.bannedVideoSize = function(request) {
if ( request.size !== null ) {
if ( request.size < minVidSize || request.size > maxVidSize || request.contentRange > maxContentRange ) {
return true;
}
}
return false;
};
PageNetworkTrafficCollector.prototype.grabTagReqs = function(tabRequests, assetRequest) {
var minTimestamp, maxTimestamp;
minTimestamp = assetRequest.requestTimestamp - secBefore;
maxTimestamp = assetRequest.requestTimestamp + secAfter;
var filteredRequests = tabRequests.filter(function(request) {
return (request.requestTimestamp > minTimestamp &&
request.requestTimestamp < maxTimestamp &&
request.frameId === assetRequest.frameId &&
request.url !== assetRequest.url &&
(hasValidRequestType(request) ||
isPixelRequest(request)));
});
return filteredRequests;
};
PageNetworkTrafficCollector.prototype.isValidVideoAd = function(assetRequest, tagRequests) {
var hasVpaidOrVastRequest = tagRequests.some(function(tagRequest) {
return isVpaidOrVastRequest(tagRequest);
});
if ( assetRequest.isYoutubeAd ) {
return true;
}
if ( hasVpaidOrVastRequest ) {
return true;
}
var hasTopVideoAssetDomain = topVideoAssetDomains.some(function(assetDomain) {
return hasDomain(assetRequest.url, assetDomain);
});
return hasTopVideoAssetDomain;
};
PageNetworkTrafficCollector.prototype.sendMsgWhenQuiet = function(msgKey) {
var _this = this,
origPageUrl, msgAssetReq;
msgAssetReq = this.msgsBeingSent[msgKey];
browserProxy.tabs.get(this.tabId, function(tab) {origPageUrl = tab.url;});
setTimeout(function() {
var rawRequests = [];
if ( globalPageContainer.collectors[_this.tabId] === _this ) {
for ( var reqId in _this.requests ) {
rawRequests.push(_this.requests[reqId]);
}
var tagReqs = _this.grabTagReqs(rawRequests, msgAssetReq);
if ( _this.isValidVideoAd(msgAssetReq, tagReqs) ) {
_this.sendToTab(msgAssetReq, tagReqs, origPageUrl, true);
} else {
_this.sendToTab(msgAssetReq, tagReqs, origPageUrl, false);
}
} else {
}
delete _this.msgsBeingSent[msgKey];
}, secAfter+secBefore);
};
PageNetworkTrafficCollector.prototype.existingMessage = function(candidateRequest) {
var frameMsg = this.msgsBeingSent[candidateRequest.frameId];
if ( frameMsg ) {
return frameMsg;
} else {
return null;
}
};
function onBeforeRequestListener(details) {
globalPageContainer.forwardCall(details, PageNetworkTrafficCollector.prototype.onBeforeRequest);
}
function onSendHeadersListener(details) {
globalPageContainer.forwardCall(details, PageNetworkTrafficCollector.prototype.onSendHeaders);
}
function onHeadersReceivedListener(details) {
globalPageContainer.forwardCall(details, PageNetworkTrafficCollector.prototype.onHeadersReceived);
}
function onBeforeRedirectListener(details) {
globalPageContainer.forwardCall(details, PageNetworkTrafficCollector.prototype.onBeforeRedirect);
}
function onResponseStartedListener(details) {
globalPageContainer.forwardCall(details, PageNetworkTrafficCollector.prototype.onResponseStarted);
}
function onCommittedListener(details) {
if ( details.frameId === 0 ) {
globalPageContainer.onNavigationCommitted(details);
}
}
function onCompletedListener(details) {
if ( details.frameId === 0 ) {
globalPageContainer.onNavigationCompleted(details);
}
}
function onRemovedListener(tabId, closeInfo) {
globalPageContainer.onTabClose(tabId, closeInfo);
}
function onMessageListener(message, sender, sendResponse) {
if ( message.event === 'new-ad' && message.data.event === 'ad' ) {
var tabId = sender.tab.id;
if ( tabId ) {
globalPageContainer.onDisplayAdFound(tabId);
}
}
}
function registerListeners() {
browserProxy.webRequest.onBeforeRequest.addListener(
onBeforeRequestListener,
{urls: ['http://*/*', 'https://*/*']},
[]
);
browserProxy.webRequest.onSendHeaders.addListener(
onSendHeadersListener,
{urls: ['http://*/*', 'https://*/*']},
['requestHeaders']
);
browserProxy.webRequest.onHeadersReceived.addListener(
onHeadersReceivedListener,
{urls: ['http://*/*', 'https://*/*']},
['responseHeaders']
);
browserProxy.webRequest.onBeforeRedirect.addListener(
onBeforeRedirectListener,
{urls: ['http://*/*', 'https://*/*']},
[]
);
browserProxy.webRequest.onResponseStarted.addListener(
onResponseStartedListener,
{urls: ['http://*/*', 'https://*/*']},
['responseHeaders']
);
browserProxy.webNavigation.onCommitted.addListener(onCommittedListener);
browserProxy.webNavigation.onCompleted.addListener(onCompletedListener);
browserProxy.tabs.onRemoved.addListener(onRemovedListener);
browserProxy.runtime.onMessage.addListener(onMessageListener);
areListenersRegistered = true;
}
function unregisterListeners() {
browserProxy.webRequest.onBeforeRequest.removeListener(
onBeforeRequestListener
);
browserProxy.webRequest.onSendHeaders.removeListener(
onSendHeadersListener
);
browserProxy.webRequest.onHeadersReceived.removeListener(
onHeadersReceivedListener
);
browserProxy.webRequest.onBeforeRedirect.removeListener(
onBeforeRedirectListener
);
browserProxy.webRequest.onResponseStarted.removeListener(
onResponseStartedListener
);
browserProxy.webNavigation.onCommitted.removeListener(onCommittedListener);
browserProxy.webNavigation.onCompleted.removeListener(onCompletedListener);
browserProxy.tabs.onRemoved.removeListener(onRemovedListener);
browserProxy.runtime.onMessage.removeListener(onMessageListener);
areListenersRegistered = false;
}
function areRequiredBrowserApisAvailable() {
return requiredBrowserApis.every(function(api) {
return typeof api !== 'undefined';
});
}
if ( areRequiredBrowserApisAvailable() ) {
ifBrowserValid(
function() {
browserProxy.webNavigation.onBeforeNavigate.addListener(
function(details) {
if ( details.frameId === 0 ) {
globalPageContainer.onNewNavigation(details);
}
},
{
url: [{urlMatches: 'http://*/*'}, {urlMatches: 'https://*/*'}]
}
);
}, function() {
}
);
}
browserProxy.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if ( request === 'is_browser_valid' ) {
ifBrowserValid(
sendResponse({'browser_valid': true}),
sendResponse({'browser_valid': false})
);
}
});
browserProxy.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if ( request === 'is_tracking_enabled' ) {
sendResponse({'tracking_enabled': isTrackingEnabled()});
}
});
})();
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