mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
11df5f817c
These rules are copied from toolkit/.eslintrc (with non-passing rules excluded and previously commented out and passing rules included).
403 lines
14 KiB
JavaScript
403 lines
14 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// How to run this file:
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// 1. [obtain firefox source code]
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// 2. [build/obtain firefox binaries]
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// 3. run `[path to]/run-mozilla.sh [path to]/xpcshell \
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// [path to]/getHSTSPreloadlist.js \
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// [absolute path to]/nsSTSPreloadlist.inc'
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// <https://developer.mozilla.org/en/XPConnect/xpcshell/HOWTO>
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// <https://bugzilla.mozilla.org/show_bug.cgi?id=546628>
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var Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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var Cr = Components.results;
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// Register resource://app/ URI
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var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
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var resHandler = ios.getProtocolHandler("resource")
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.QueryInterface(Ci.nsIResProtocolHandler);
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var mozDir = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIProperties)
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.get("CurProcD", Ci.nsILocalFile);
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var mozDirURI = ios.newFileURI(mozDir);
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resHandler.setSubstitution("app", mozDirURI);
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/FileUtils.jsm");
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Cu.import("resource:///modules/XPCOMUtils.jsm");
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const SOURCE = "https://chromium.googlesource.com/chromium/src/net/+/master/http/transport_security_state_static.json?format=TEXT";
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const OUTPUT = "nsSTSPreloadList.inc";
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const ERROR_OUTPUT = "nsSTSPreloadList.errors";
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const MINIMUM_REQUIRED_MAX_AGE = 60 * 60 * 24 * 7 * 18;
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const MAX_CONCURRENT_REQUESTS = 5;
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const MAX_RETRIES = 3;
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const REQUEST_TIMEOUT = 30 * 1000;
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const ERROR_NONE = "no error";
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const ERROR_CONNECTING_TO_HOST = "could not connect to host";
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const ERROR_NO_HSTS_HEADER = "did not receive HSTS header";
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const ERROR_MAX_AGE_TOO_LOW = "max-age too low: ";
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const HEADER = "/* This Source Code Form is subject to the terms of the Mozilla Public\n" +
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" * License, v. 2.0. If a copy of the MPL was not distributed with this\n" +
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" * file, You can obtain one at http://mozilla.org/MPL/2.0/. */\n" +
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"\n" +
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"/*****************************************************************************/\n" +
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"/* This is an automatically generated file. If you're not */\n" +
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"/* nsSiteSecurityService.cpp, you shouldn't be #including it. */\n" +
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"/*****************************************************************************/\n" +
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"\n" +
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"#include <stdint.h>\n";
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const PREFIX = "\n" +
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"class nsSTSPreload\n" +
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"{\n" +
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" public:\n" +
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" const char *mHost;\n" +
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" const bool mIncludeSubdomains;\n" +
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"};\n" +
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"\n" +
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"static const nsSTSPreload kSTSPreloadList[] = {\n";
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const POSTFIX = "};\n";
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function download() {
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var req = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
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.createInstance(Ci.nsIXMLHttpRequest);
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req.open("GET", SOURCE, false); // doing the request synchronously
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try {
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req.send();
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}
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catch (e) {
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throw "ERROR: problem downloading '" + SOURCE + "': " + e;
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}
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if (req.status != 200) {
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throw "ERROR: problem downloading '" + SOURCE + "': status " + req.status;
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}
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var resultDecoded;
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try {
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resultDecoded = atob(req.responseText);
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}
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catch (e) {
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throw "ERROR: could not decode data as base64 from '" + SOURCE + "': " + e;
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}
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// we have to filter out '//' comments, while not mangling the json
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var result = resultDecoded.replace(/^(\s*)?\/\/[^\n]*\n/mg, "");
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var data = null;
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try {
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data = JSON.parse(result);
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}
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catch (e) {
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throw "ERROR: could not parse data from '" + SOURCE + "': " + e;
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}
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return data;
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}
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function getHosts(rawdata) {
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var hosts = [];
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if (!rawdata || !rawdata.entries) {
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throw "ERROR: source data not formatted correctly: 'entries' not found";
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}
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for (entry of rawdata.entries) {
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if (entry.mode && entry.mode == "force-https") {
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if (entry.name) {
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entry.retries = MAX_RETRIES;
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entry.originalIncludeSubdomains = entry.include_subdomains;
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hosts.push(entry);
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} else {
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throw "ERROR: entry not formatted correctly: no name found";
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}
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}
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}
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return hosts;
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}
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var gSSService = Cc["@mozilla.org/ssservice;1"]
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.getService(Ci.nsISiteSecurityService);
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function processStsHeader(host, header, status, securityInfo) {
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var maxAge = { value: 0 };
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var includeSubdomains = { value: false };
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var error = ERROR_NONE;
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if (header != null && securityInfo != null) {
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try {
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var uri = Services.io.newURI("https://" + host.name, null, null);
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var sslStatus = securityInfo.QueryInterface(Ci.nsISSLStatusProvider)
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.SSLStatus;
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gSSService.processHeader(Ci.nsISiteSecurityService.HEADER_HSTS,
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uri, header, sslStatus, 0, maxAge,
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includeSubdomains);
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}
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catch (e) {
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dump("ERROR: could not process header '" + header + "' from " +
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host.name + ": " + e + "\n");
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error = e;
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}
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}
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else {
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if (status == 0) {
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error = ERROR_CONNECTING_TO_HOST;
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} else {
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error = ERROR_NO_HSTS_HEADER;
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}
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}
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let forceInclude = (host.forceInclude || host.pins == "google");
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if (error == ERROR_NONE && maxAge.value < MINIMUM_REQUIRED_MAX_AGE) {
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error = ERROR_MAX_AGE_TOO_LOW;
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}
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return { name: host.name,
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maxAge: maxAge.value,
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includeSubdomains: includeSubdomains.value,
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error: error,
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retries: host.retries - 1,
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forceInclude: forceInclude,
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originalIncludeSubdomains: host.originalIncludeSubdomains };
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}
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// RedirectAndAuthStopper prevents redirects and HTTP authentication
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function RedirectAndAuthStopper() {}
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RedirectAndAuthStopper.prototype = {
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// nsIChannelEventSink
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asyncOnChannelRedirect: function(oldChannel, newChannel, flags, callback) {
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throw Cr.NS_ERROR_ENTITY_CHANGED;
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},
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// nsIAuthPrompt2
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promptAuth: function(channel, level, authInfo) {
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return false;
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},
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asyncPromptAuth: function(channel, callback, context, level, authInfo) {
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throw Cr.NS_ERROR_NOT_IMPLEMENTED;
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},
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getInterface: function(iid) {
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return this.QueryInterface(iid);
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},
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIChannelEventSink,
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Ci.nsIAuthPrompt2])
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};
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function getHSTSStatus(host, resultList) {
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var req = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
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.createInstance(Ci.nsIXMLHttpRequest);
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var inResultList = false;
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var uri = "https://" + host.name + "/";
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req.open("GET", uri, true);
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req.timeout = REQUEST_TIMEOUT;
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req.channel.notificationCallbacks = new RedirectAndAuthStopper();
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req.onreadystatechange = function(event) {
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if (!inResultList && req.readyState == 4) {
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inResultList = true;
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var header = req.getResponseHeader("strict-transport-security");
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resultList.push(processStsHeader(host, header, req.status,
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req.channel.securityInfo));
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}
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};
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try {
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req.send();
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}
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catch (e) {
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dump("ERROR: exception making request to " + host.name + ": " + e + "\n");
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}
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}
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function compareHSTSStatus(a, b) {
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return (a.name > b.name ? 1 : (a.name < b.name ? -1 : 0));
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}
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function writeTo(string, fos) {
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fos.write(string, string.length);
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}
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// Determines and returns a string representing a declaration of when this
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// preload list should no longer be used.
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// This is the current time plus MINIMUM_REQUIRED_MAX_AGE.
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function getExpirationTimeString() {
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var now = new Date();
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var nowMillis = now.getTime();
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// MINIMUM_REQUIRED_MAX_AGE is in seconds, so convert to milliseconds
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var expirationMillis = nowMillis + (MINIMUM_REQUIRED_MAX_AGE * 1000);
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var expirationMicros = expirationMillis * 1000;
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return "const PRTime gPreloadListExpirationTime = INT64_C(" + expirationMicros + ");\n";
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}
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function errorToString(status) {
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return (status.error == ERROR_MAX_AGE_TOO_LOW
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? status.error + status.maxAge
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: status.error);
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}
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function writeEntry(status, outputStream) {
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let incSubdomainsBool = (status.forceInclude && status.error != ERROR_NONE
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? status.originalIncludeSubdomains
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: status.includeSubdomains);
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let includeSubdomains = (incSubdomainsBool ? "true" : "false");
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writeTo(" { \"" + status.name + "\", " + includeSubdomains + " },\n",
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outputStream);
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}
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function output(sortedStatuses, currentList) {
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try {
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var file = FileUtils.getFile("CurWorkD", [OUTPUT]);
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var errorFile = FileUtils.getFile("CurWorkD", [ERROR_OUTPUT]);
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var fos = FileUtils.openSafeFileOutputStream(file);
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var eos = FileUtils.openSafeFileOutputStream(errorFile);
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writeTo(HEADER, fos);
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writeTo(getExpirationTimeString(), fos);
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writeTo(PREFIX, fos);
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for (var status of sortedStatuses) {
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// If we've encountered an error for this entry (other than the site not
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// sending an HSTS header), be safe and don't remove it from the list
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// (given that it was already on the list).
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if (status.error != ERROR_NONE &&
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status.error != ERROR_NO_HSTS_HEADER &&
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status.error != ERROR_MAX_AGE_TOO_LOW &&
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status.name in currentList) {
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dump("INFO: error connecting to or processing " + status.name + " - using previous status on list\n");
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writeTo(status.name + ": " + errorToString(status) + "\n", eos);
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status.maxAge = MINIMUM_REQUIRED_MAX_AGE;
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status.includeSubdomains = currentList[status.name];
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}
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if (status.maxAge >= MINIMUM_REQUIRED_MAX_AGE || status.forceInclude) {
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writeEntry(status, fos);
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dump("INFO: " + status.name + " ON the preload list\n");
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if (status.forceInclude && status.error != ERROR_NONE) {
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writeTo(status.name + ": " + errorToString(status) + " (error "
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+ "ignored - included regardless)\n", eos);
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}
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}
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else {
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dump("INFO: " + status.name + " NOT ON the preload list\n");
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writeTo(status.name + ": " + errorToString(status) + "\n", eos);
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}
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}
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writeTo(POSTFIX, fos);
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FileUtils.closeSafeFileOutputStream(fos);
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FileUtils.closeSafeFileOutputStream(eos);
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}
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catch (e) {
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dump("ERROR: problem writing output to '" + OUTPUT + "': " + e + "\n");
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}
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}
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function shouldRetry(response) {
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return (response.error != ERROR_NO_HSTS_HEADER &&
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response.error != ERROR_MAX_AGE_TOO_LOW &&
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response.error != ERROR_NONE && response.retries > 0);
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}
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function getHSTSStatuses(inHosts, outStatuses) {
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var expectedOutputLength = inHosts.length;
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var tmpOutput = [];
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for (var i = 0; i < MAX_CONCURRENT_REQUESTS && inHosts.length > 0; i++) {
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var host = inHosts.shift();
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dump("spinning off request to '" + host.name + "' (remaining retries: " +
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host.retries + ")\n");
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getHSTSStatus(host, tmpOutput);
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}
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while (outStatuses.length != expectedOutputLength) {
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waitForAResponse(tmpOutput);
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var response = tmpOutput.shift();
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dump("request to '" + response.name + "' finished\n");
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if (shouldRetry(response))
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inHosts.push(response);
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else
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outStatuses.push(response);
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if (inHosts.length > 0) {
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var host = inHosts.shift();
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dump("spinning off request to '" + host.name + "' (remaining retries: " +
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host.retries + ")\n");
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getHSTSStatus(host, tmpOutput);
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}
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}
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}
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// Since all events are processed on the main thread, and since event
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// handlers are not preemptible, there shouldn't be any concurrency issues.
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function waitForAResponse(outputList) {
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// From <https://developer.mozilla.org/en/XPConnect/xpcshell/HOWTO>
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var threadManager = Cc["@mozilla.org/thread-manager;1"]
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.getService(Ci.nsIThreadManager);
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var mainThread = threadManager.currentThread;
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while (outputList.length == 0) {
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mainThread.processNextEvent(true);
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}
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}
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function readCurrentList(filename) {
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var currentHosts = {};
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var file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
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file.initWithPath(filename);
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var fis = Cc["@mozilla.org/network/file-input-stream;1"]
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.createInstance(Ci.nsILineInputStream);
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fis.init(file, -1, -1, Ci.nsIFileInputStream.CLOSE_ON_EOF);
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var line = {};
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var entryRegex = / { "([^"]*)", (true|false) },/;
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while (fis.readLine(line)) {
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var match = entryRegex.exec(line.value);
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if (match) {
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currentHosts[match[1]] = (match[2] == "true");
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}
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}
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return currentHosts;
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}
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function combineLists(newHosts, currentHosts) {
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for (let currentHost in currentHosts) {
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let found = false;
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for (let newHost of newHosts) {
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if (newHost.name == currentHost) {
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found = true;
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break;
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}
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}
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if (!found) {
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newHosts.push({ name: currentHost, retries: MAX_RETRIES });
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}
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}
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}
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// ****************************************************************************
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// This is where the action happens:
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if (arguments.length < 1) {
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throw "Usage: getHSTSPreloadList.js <absolute path to current nsSTSPreloadList.inc>";
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}
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// get the current preload list
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var currentHosts = readCurrentList(arguments[0]);
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// disable the current preload list so it won't interfere with requests we make
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Services.prefs.setBoolPref("network.stricttransportsecurity.preloadlist", false);
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// download and parse the raw json file from the Chromium source
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var rawdata = download();
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// get just the hosts with mode: "force-https"
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var hosts = getHosts(rawdata);
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// add hosts in the current list to the new list (avoiding duplicates)
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combineLists(hosts, currentHosts);
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// get the HSTS status of each host
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var hstsStatuses = [];
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getHSTSStatuses(hosts, hstsStatuses);
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// sort the hosts alphabetically
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hstsStatuses.sort(compareHSTSStatus);
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// write the results to a file (this is where we filter out hosts that we
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// either couldn't connect to, didn't receive an HSTS header from, couldn't
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// parse the header, or had a header with too short a max-age)
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output(hstsStatuses, currentHosts);
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// ****************************************************************************
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