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Issue 29760565: Issue 6599 - Detect data corruption of storage.local (Closed)
Patch Set: Fixed blocked_total optimization logic Created April 27, 2018, 4:55 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-present eyeo GmbH 3 * Copyright (C) 2006-present eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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27 const {FilterNotifier} = require("../adblockpluscore/lib/filterNotifier"); 27 const {FilterNotifier} = require("../adblockpluscore/lib/filterNotifier");
28 const info = require("../buildtools/info"); 28 const info = require("../buildtools/info");
29 const {Prefs} = require("./prefs"); 29 const {Prefs} = require("./prefs");
30 const {Synchronizer} = require("../adblockpluscore/lib/synchronizer"); 30 const {Synchronizer} = require("../adblockpluscore/lib/synchronizer");
31 const {Utils} = require("./utils"); 31 const {Utils} = require("./utils");
32 const {initNotifications} = require("./notificationHelper"); 32 const {initNotifications} = require("./notificationHelper");
33 const {updatesVersion} = require("../adblockplusui/lib/prefs"); 33 const {updatesVersion} = require("../adblockplusui/lib/prefs");
34 34
35 let firstRun; 35 let firstRun;
36 let subscriptionsCallback = null; 36 let subscriptionsCallback = null;
37 let reinitialized = false;
38 let dataCorrupted = false;
37 39
38 /** 40 /**
39 * If there aren't any filters, the default subscriptions are added. 41 * If there aren't any filters, the default subscriptions are added.
40 * However, if patterns.ini already did exist and/or any preference 42 * However, if patterns.ini already did exist and/or any preference
41 * is set to a non-default value, this indicates that this isn't the 43 * is set to a non-default value, this indicates that this isn't the
42 * first run, but something went wrong. 44 * first run, but something went wrong.
43 * 45 *
44 * This function detects the first run, and makes sure that the user 46 * This function detects the first run, and makes sure that the user
45 * gets notified (on the first run page) if the data appears incomplete 47 * gets notified (on the first run page) if the data appears incomplete
46 * and therefore will be reinitialized. 48 * and therefore will be reinitialized.
47 */ 49 */
48 function detectFirstRun() 50 function detectFirstRun()
49 { 51 {
50 firstRun = FilterStorage.subscriptions.length == 0; 52 firstRun = FilterStorage.subscriptions.length == 0;
51 53
52 if (firstRun && (!FilterStorage.firstRun || Prefs.currentVersion)) 54 if (firstRun && (!FilterStorage.firstRun || Prefs.currentVersion))
53 exports.reinitialized = true; 55 reinitialized = true;
54 56
55 Prefs.currentVersion = info.addonVersion; 57 Prefs.currentVersion = info.addonVersion;
56 } 58 }
57 59
58 /** 60 /**
59 * Determines whether to add the default ad blocking subscription. 61 * Determines whether to add the default ad blocking subscription.
60 * Returns true, if there are no filter subscriptions besides those 62 * Returns true, if there are no filter subscriptions besides those
61 * other subscriptions added automatically, and no custom filters. 63 * other subscriptions added automatically, and no custom filters.
62 * 64 *
63 * On first run, this logic should always result in true since there 65 * On first run, this logic should always result in true since there
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218 } 220 }
219 } 221 }
220 222
221 return subscriptions; 223 return subscriptions;
222 }); 224 });
223 } 225 }
224 226
225 return subscriptions; 227 return subscriptions;
226 } 228 }
227 229
228 function finishInitialization(subscriptions) 230 function addSubscriptionsAndNotifyUser(subscriptions)
229 { 231 {
230 if (subscriptionsCallback) 232 if (subscriptionsCallback)
231 subscriptions = subscriptionsCallback(subscriptions); 233 subscriptions = subscriptionsCallback(subscriptions);
232 234
233 for (let subscription of subscriptions) 235 for (let subscription of subscriptions)
234 { 236 {
235 FilterStorage.addSubscription(subscription); 237 FilterStorage.addSubscription(subscription);
236 if (subscription instanceof DownloadableSubscription && 238 if (subscription instanceof DownloadableSubscription &&
237 !subscription.lastDownload) 239 !subscription.lastDownload)
238 Synchronizer.execute(subscription); 240 Synchronizer.execute(subscription);
239 } 241 }
240 242
241 if (!Prefs.suppress_first_run_page) 243 // Show first run page or the updates page. The latter is only shown
244 // on Chromium (since the current updates page announces features that
245 // aren't new to Firefox users), and only if this version of the
246 // updates page hasn't been shown yet.
247 if (firstRun || info.platform == "chromium" &&
248 updatesVersion > Prefs.last_updates_page_displayed)
242 { 249 {
243 let page = null; 250 return Prefs.set("last_updates_page_displayed", updatesVersion).catch(() =>
244 if (firstRun)
245 { 251 {
246 page = "firstRun.html"; 252 dataCorrupted = true;
247 } 253 }).then(() =>
248 // For now we're limiting the updates page to users of
249 // Chromium-based browsers to gage its impact
250 else if (info.platform == "chromium" &&
251 updatesVersion > Prefs.last_updates_page_displayed)
252 { 254 {
253 page = "updates.html"; 255 if (!Prefs.suppress_first_run_page)
254 } 256 {
255 257 // Always show the first run page if a data corruption was detected
256 if (page) 258 // (either through failure of reading from or writing to storage.local).
257 { 259 // The first run page notifies the user about the data corruption.
258 browser.tabs.create({url: browser.extension.getURL(page)}); 260 let url;
259 261 if (firstRun || dataCorrupted)
260 // For new users and users that have already seen this updates page we 262 url = "firstRun.html";
261 // want to avoid showing it again for subsequent updates. 263 else
262 Prefs.last_updates_page_displayed = updatesVersion; 264 url = "updates.html";
263 } 265 browser.tabs.create({url});
266 }
267 });
264 } 268 }
265
266 initNotifications();
267 } 269 }
268 270
269 Promise.all([FilterNotifier.once("load"), 271 Promise.all([
270 Prefs.untilLoaded]).then(detectFirstRun) 272 FilterNotifier.once("load"),
271 .then(getSubscriptions) 273 Prefs.untilLoaded.catch(() => { dataCorrupted = true; })
272 .then(finishInitialization); 274 ]).then(detectFirstRun)
275 .then(getSubscriptions)
276 .then(addSubscriptionsAndNotifyUser)
277 // We have to require the "uninstall" module on demand,
278 // as the "uninstall" module in turn requires this module.
279 .then(() => { require("./uninstall").setUninstallURL(); })
280 .then(initNotifications);
273 281
274 /** 282 /**
275 * Indicates whether the default filter subscriptions have been added 283 * Gets a value indicating whether the default filter subscriptions have been
276 * again because there weren't any subscriptions even though this wasn't 284 * added again because there weren't any subscriptions even though this wasn't
277 * the first run. 285 * the first run.
278 * 286 *
279 * @type {boolean} 287 * @return {boolean}
280 */ 288 */
281 exports.reinitialized = false; 289 exports.isReinitialized = () => reinitialized;
290
291 /**
292 * Gets a value indicating whether a data corruption was detected.
293 *
294 * @return {boolean}
295 */
296 exports.isDataCorrupted = () => dataCorrupted;
282 297
283 /** 298 /**
284 * Sets a callback that is called with an array of subscriptions to be added 299 * Sets a callback that is called with an array of subscriptions to be added
285 * during initialization. The callback must return an array of subscriptions 300 * during initialization. The callback must return an array of subscriptions
286 * that will effectively be added. 301 * that will effectively be added.
287 * 302 *
288 * @param {function} callback 303 * @param {function} callback
289 */ 304 */
290 exports.setSubscriptionsCallback = callback => 305 exports.setSubscriptionsCallback = callback =>
291 { 306 {
292 subscriptionsCallback = callback; 307 subscriptionsCallback = callback;
293 }; 308 };
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