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Bug 818584 - Discard consecutive duplicate bookmark backups by comparing hashes r=mano

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Original patch by Raymond Lee <raymond@appcoast.com> f=mak
This commit is contained in:
Marco Bonardo 2014-03-19 14:33:02 +01:00
parent 9fdc7217f5
commit f2dcaf44a0
10 changed files with 284 additions and 139 deletions
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49
toolkit/components/places/BookmarkJSONUtils.jsm
View File

@ -25,6 +25,24 @@ XPCOMUtils.defineLazyModuleGetter(this, "Deprecated",
XPCOMUtils.defineLazyGetter(this, "gTextDecoder", () => new TextDecoder());
XPCOMUtils.defineLazyGetter(this, "gTextEncoder", () => new TextEncoder());
/**
* Generates an hash for the given string.
*
* @note The generated hash is returned in base64 form. Mind the fact base64
* is case-sensitive if you are going to reuse this code.
*/
function generateHash(aString) {
let cryptoHash = Cc["@mozilla.org/security/hash;1"]
.createInstance(Ci.nsICryptoHash);
cryptoHash.init(Ci.nsICryptoHash.MD5);
let stringStream = Cc["@mozilla.org/io/string-input-stream;1"]
.createInstance(Ci.nsIStringInputStream);
stringStream.data = aString;
cryptoHash.updateFromStream(stringStream, -1);
// base64 allows the '/' char, but we can't use it for filenames.
return cryptoHash.finish(true).replace("/", "-");
}
this.BookmarkJSONUtils = Object.freeze({
/**
* Import bookmarks from a url.
@ -99,13 +117,19 @@ this.BookmarkJSONUtils = Object.freeze({
*
* @param aFilePath
* OS.File path string for the "bookmarks.json" file to be created.
*
* @param [optional] aOptions
* Object containing options for the export:
* - failIfHashIs: if the generated file would have the same hash
* defined here, will reject with ex.becauseSameHash
* @return {Promise}
* @resolves To the exported bookmarks count when the file has been created.
* @resolves once the file has been created, to an object with the
* following properties:
* - count: number of exported bookmarks
* - hash: file hash for contents comparison
* @rejects JavaScript exception.
* @deprecated passing an nsIFile is deprecated
*/
exportToFile: function BJU_exportToFile(aFilePath) {
exportToFile: function BJU_exportToFile(aFilePath, aOptions={}) {
if (aFilePath instanceof Ci.nsIFile) {
Deprecated.warning("Passing an nsIFile to BookmarksJSONUtils.exportToFile " +
"is deprecated. Please use an OS.File path string instead.",
@ -125,12 +149,29 @@ this.BookmarkJSONUtils = Object.freeze({
Components.utils.reportError("Unable to report telemetry.");
}
startTime = Date.now();
let hash = generateHash(jsonString);
// Report the time taken to generate the hash.
try {
Services.telemetry
.getHistogramById("PLACES_BACKUPS_HASHING_MS")
.add(Date.now() - startTime);
} catch (ex) {
Components.utils.reportError("Unable to report telemetry.");
}
if (hash === aOptions.failIfHashIs) {
let e = new Error("Hash conflict");
e.becauseSameHash = true;
throw e;
}
// Do not write to the tmp folder, otherwise if it has a different
// filesystem writeAtomic will fail. Eventual dangling .tmp files should
// be cleaned up by the caller.
yield OS.File.writeAtomic(aFilePath, jsonString,
{ tmpPath: OS.Path.join(aFilePath + ".tmp") });
return count;
return { count: count, hash: hash };
});
},

263
toolkit/components/places/PlacesBackups.jsm
View File

@ -28,12 +28,71 @@ XPCOMUtils.defineLazyGetter(this, "localFileCtor",
() => Components.Constructor("@mozilla.org/file/local;1",
"nsILocalFile", "initWithPath"));
XPCOMUtils.defineLazyGetter(this, "filenamesRegex",
() => new RegExp("^bookmarks-([0-9\-]+)(?:_([0-9]+)){0,1}(?:_([a-z0-9=\+\-]{24})){0,1}\.(json|html)", "i")
);
/**
* Appends meta-data information to a given filename.
*/
function appendMetaDataToFilename(aFilename, aMetaData) {
let matches = aFilename.match(filenamesRegex);
return "bookmarks-" + matches[1] +
"_" + aMetaData.count +
"_" + aMetaData.hash +
"." + matches[4];
}
/**
* Gets the hash from a backup filename.
*
* @return the extracted hash or null.
*/
function getHashFromFilename(aFilename) {
let matches = aFilename.match(filenamesRegex);
if (matches && matches[3])
return matches[3];
return null;
}
/**
* Given two filenames, checks if they contain the same date.
*/
function isFilenameWithSameDate(aSourceName, aTargetName) {
let sourceMatches = aSourceName.match(filenamesRegex);
let targetMatches = aTargetName.match(filenamesRegex);
return sourceMatches && targetMatches &&
sourceMatches[1] == targetMatches[1] &&
sourceMatches[4] == targetMatches[4];
}
/**
* Given a filename, searches for another backup with the same date.
*
* @return OS.File path string or null.
*/
function getBackupFileForSameDate(aFilename) {
return Task.spawn(function* () {
let backupFiles = yield PlacesBackups.getBackupFiles();
for (let backupFile of backupFiles) {
if (isFilenameWithSameDate(OS.Path.basename(backupFile), aFilename))
return backupFile;
}
return null;
});
}
this.PlacesBackups = {
get _filenamesRegex() {
delete this._filenamesRegex;
return this._filenamesRegex =
new RegExp("^(bookmarks)-([0-9-]+)(_[0-9]+)*\.(json|html)");
},
/**
* Matches the backup filename:
* 0: file name
* 1: date in form Y-m-d
* 2: bookmarks count
* 3: contents hash
* 4: file extension
*/
get filenamesRegex() filenamesRegex,
get folder() {
Deprecated.warning(
@ -99,8 +158,7 @@ this.PlacesBackups = {
let entry = files.getNext().QueryInterface(Ci.nsIFile);
// A valid backup is any file that matches either the localized or
// not-localized filename (bug 445704).
let matches = entry.leafName.match(this._filenamesRegex);
if (!entry.isHidden() && matches) {
if (!entry.isHidden() && filenamesRegex.test(entry.leafName)) {
// Remove bogus backups in future dates.
if (this.getDateForFile(entry) > new Date()) {
entry.remove(false);
@ -139,8 +197,7 @@ this.PlacesBackups = {
return;
}
let matches = aEntry.name.match(this._filenamesRegex);
if (matches) {
if (filenamesRegex.test(aEntry.name)) {
// Remove bogus backups in future dates.
let filePath = aEntry.path;
if (this.getDateForFile(filePath) > new Date()) {
@ -188,10 +245,10 @@ this.PlacesBackups = {
getDateForFile: function PB_getDateForFile(aBackupFile) {
let filename = (aBackupFile instanceof Ci.nsIFile) ? aBackupFile.leafName
: OS.Path.basename(aBackupFile);
let matches = filename.match(this._filenamesRegex);
let matches = filename.match(filenamesRegex);
if (!matches)
throw("Invalid backup file name: " + filename);
return new Date(matches[2].replace(/-/g, "/"));
return new Date(matches[1].replace(/-/g, "/"));
},
/**
@ -258,7 +315,8 @@ this.PlacesBackups = {
aFilePath = aFilePath.path;
}
return Task.spawn(function* () {
let nodeCount = yield BookmarkJSONUtils.exportToFile(aFilePath);
let { count: nodeCount, hash: hash } =
yield BookmarkJSONUtils.exportToFile(aFilePath);
let backupFolderPath = yield this.getBackupFolder();
if (OS.Path.dirname(aFilePath) == backupFolderPath) {
@ -274,22 +332,33 @@ this.PlacesBackups = {
// we also want to copy this new backup to it.
// This way we ensure the latest valid backup is the same saved by the
// user. See bug 424389.
let name = this.getFilenameForDate();
let newFilename = this._appendMetaDataToFilename(name,
{ nodeCount: nodeCount });
let newFilePath = OS.Path.join(backupFolderPath, newFilename);
let backupFile = yield this._getBackupFileForSameDate(name);
if (!backupFile) {
// Update internal cache if we are not replacing an existing
// backup file.
this._entries.unshift(new localFileCtor(newFilePath));
if (!this._backupFiles) {
yield this.getBackupFiles();
let mostRecentBackupFile = yield this.getMostRecentBackup("json");
if (!mostRecentBackupFile ||
hash != getHashFromFilename(OS.Path.basename(mostRecentBackupFile))) {
let name = this.getFilenameForDate();
let newFilename = appendMetaDataToFilename(name,
{ count: nodeCount,
hash: hash });
let newFilePath = OS.Path.join(backupFolderPath, newFilename);
let backupFile = yield getBackupFileForSameDate(name);
if (backupFile) {
// There is already a backup for today, replace it.
yield OS.File.remove(backupFile, { ignoreAbsent: true });
if (!this._backupFiles)
yield this.getBackupFiles();
else
this._backupFiles.shift();
this._backupFiles.unshift(newFilePath);
} else {
// There is no backup for today, add the new one.
this._entries.unshift(new localFileCtor(newFilePath));
if (!this._backupFiles)
yield this.getBackupFiles();
this._backupFiles.unshift(newFilePath);
}
this._backupFiles.unshift(newFilePath);
}
yield OS.File.copy(aFilePath, newFilePath);
yield OS.File.copy(aFilePath, newFilePath);
}
}
return nodeCount;
@ -303,7 +372,9 @@ this.PlacesBackups = {
* "places/excludeFromBackup".
*
* @param [optional] int aMaxBackups
* The maximum number of backups to keep.
* The maximum number of backups to keep. If set to 0
* all existing backups are removed and aForceBackup is
* ignored, so a new one won't be created.
* @param [optional] bool aForceBackup
* Forces creating a backup even if one was already
* created that day (overwrites).
@ -311,75 +382,80 @@ this.PlacesBackups = {
*/
create: function PB_create(aMaxBackups, aForceBackup) {
return Task.spawn(function* () {
// Construct the new leafname.
let newBackupFilename = this.getFilenameForDate();
let mostRecentBackupFile = yield this.getMostRecentBackup();
if (!aForceBackup) {
let limitBackups = function* () {
let backupFiles = yield this.getBackupFiles();
// If there are backups, limit them to aMaxBackups, if requested.
if (backupFiles.length > 0 && typeof aMaxBackups == "number" &&
aMaxBackups > -1 && backupFiles.length >= aMaxBackups) {
if (typeof aMaxBackups == "number" && aMaxBackups > -1 &&
backupFiles.length >= aMaxBackups) {
let numberOfBackupsToDelete = backupFiles.length - aMaxBackups;
// If we don't have today's backup, remove one more so that
// the total backups after this operation does not exceed the
// number specified in the pref.
if (!this._isFilenameWithSameDate(OS.Path.basename(mostRecentBackupFile),
newBackupFilename)) {
numberOfBackupsToDelete++;
}
while (numberOfBackupsToDelete--) {
this._entries.pop();
let oldestBackup = this._backupFiles.pop();
yield OS.File.remove(oldestBackup);
}
}
}.bind(this);
// Do nothing if we already have this backup or we don't want backups.
if (aMaxBackups === 0 ||
(mostRecentBackupFile &&
this._isFilenameWithSameDate(OS.Path.basename(mostRecentBackupFile),
newBackupFilename)))
return;
if (aMaxBackups === 0) {
// Backups are disabled, delete any existing one and bail out.
yield limitBackups(0);
return;
}
let backupFile = yield this._getBackupFileForSameDate(newBackupFilename);
// Ensure to initialize _backupFiles
if (!this._backupFiles)
yield this.getBackupFiles();
let newBackupFilename = this.getFilenameForDate();
// If we already have a backup for today we should do nothing, unless we
// were required to enforce a new backup.
let backupFile = yield getBackupFileForSameDate(newBackupFilename);
if (backupFile && !aForceBackup)
return;
if (backupFile) {
if (aForceBackup) {
yield OS.File.remove(backupFile, { ignoreAbsent: true });
} else {
return;
}
// In case there is a backup for today we should recreate it.
this._backupFiles.shift();
this._entries.shift();
yield OS.File.remove(backupFile, { ignoreAbsent: true });
}
// Now check the hash of the most recent backup, and try to create a new
// backup, if that fails due to hash conflict, just rename the old backup.
let mostRecentBackupFile = yield this.getMostRecentBackup();
let mostRecentHash = mostRecentBackupFile &&
getHashFromFilename(OS.Path.basename(mostRecentBackupFile));
// Save bookmarks to a backup file.
let backupFolder = yield this.getBackupFolder();
let newBackupFile = OS.Path.join(backupFolder, newBackupFilename);
let nodeCount = yield this.saveBookmarksToJSONFile(newBackupFile);
// Rename the filename with metadata.
let newFilenameWithMetaData = this._appendMetaDataToFilename(
newBackupFilename,
{ nodeCount: nodeCount });
let newFilenameWithMetaData;
try {
let { count: nodeCount, hash: hash } =
yield BookmarkJSONUtils.exportToFile(newBackupFile,
{ failIfHashIs: mostRecentHash });
newFilenameWithMetaData = appendMetaDataToFilename(newBackupFilename,
{ count: nodeCount,
hash: hash });
} catch (ex if ex.becauseSameHash) {
// The last backup already contained up-to-date information, just
// rename it as if it was today's backup.
this._backupFiles.shift();
this._entries.shift();
newBackupFile = mostRecentBackupFile;
newFilenameWithMetaData = appendMetaDataToFilename(
newBackupFilename,
{ count: this.getBookmarkCountForFile(mostRecentBackupFile),
hash: mostRecentHash });
}
// Append metadata to the backup filename.
let newBackupFileWithMetadata = OS.Path.join(backupFolder, newFilenameWithMetaData);
yield OS.File.move(newBackupFile, newBackupFileWithMetadata);
// Update internal cache.
let newFileWithMetaData = new localFileCtor(newBackupFileWithMetadata);
this._entries.pop();
this._entries.unshift(newFileWithMetaData);
this._backupFiles.pop();
this._entries.unshift(new localFileCtor(newBackupFileWithMetadata));
this._backupFiles.unshift(newBackupFileWithMetadata);
}.bind(this));
},
_appendMetaDataToFilename:
function PB__appendMetaDataToFilename(aFilename, aMetaData) {
let matches = aFilename.match(this._filenamesRegex);
let newFilename = matches[1] + "-" + matches[2] + "_" +
aMetaData.nodeCount + "." + matches[4];
return newFilename;
// Limit the number of backups.
yield limitBackups(aMaxBackups);
}.bind(this));
},
/**
@ -393,43 +469,12 @@ this.PlacesBackups = {
getBookmarkCountForFile: function PB_getBookmarkCountForFile(aFilePath) {
let count = null;
let filename = OS.Path.basename(aFilePath);
let matches = filename.match(this._filenamesRegex);
if (matches && matches[3])
count = matches[3].replace(/_/g, "");
let matches = filename.match(filenamesRegex);
if (matches && matches[2])
count = matches[2];
return count;
},
_isFilenameWithSameDate:
function PB__isFilenameWithSameDate(aSourceName, aTargetName) {
let sourceMatches = aSourceName.match(this._filenamesRegex);
let targetMatches = aTargetName.match(this._filenamesRegex);
return (sourceMatches && targetMatches &&
sourceMatches[1] == targetMatches[1] &&
sourceMatches[2] == targetMatches[2] &&
sourceMatches[4] == targetMatches[4]);
},
_getBackupFileForSameDate:
function PB__getBackupFileForSameDate(aFilename) {
return Task.spawn(function* () {
let backupFolderPath = yield this.getBackupFolder();
let iterator = new OS.File.DirectoryIterator(backupFolderPath);
let backupFile;
yield iterator.forEach(function(aEntry) {
if (this._isFilenameWithSameDate(aEntry.name, aFilename)) {
backupFile = aEntry.path;
return iterator.close();
}
}.bind(this));
yield iterator.close();
return backupFile;
}.bind(this));
},
/**
* Gets a bookmarks tree representation usable to create backups in different
* file formats. The root or the tree is PlacesUtils.placesRootId.

12
toolkit/components/places/tests/bookmarks/test_466303-json-remove-backups.js
View File

@ -27,7 +27,6 @@ add_task(function check_max_backups_is_respected() {
// Allow 2 backups, the older one should be removed.
yield PlacesBackups.create(2);
let backupFilename = PlacesBackups.getFilenameForDate();
let re = new RegExp("^" + backupFilename.replace(/\.json/, "") + "(_[0-9]+){0,1}\.json$");
let count = 0;
let lastBackupPath = null;
@ -35,7 +34,7 @@ add_task(function check_max_backups_is_respected() {
try {
yield iterator.forEach(aEntry => {
count++;
if (aEntry.name.match(re))
if (PlacesBackups.filenamesRegex.test(aEntry.name))
lastBackupPath = aEntry.path;
});
} finally {
@ -56,7 +55,6 @@ add_task(function check_max_backups_greater_than_backups() {
// Allow 3 backups, none should be removed.
yield PlacesBackups.create(3);
let backupFilename = PlacesBackups.getFilenameForDate();
let re = new RegExp("^" + backupFilename.replace(/\.json/, "") + "(_[0-9]+){0,1}\.json$");
let count = 0;
let lastBackupPath = null;
@ -64,7 +62,7 @@ add_task(function check_max_backups_greater_than_backups() {
try {
yield iterator.forEach(aEntry => {
count++;
if (aEntry.name.match(re))
if (PlacesBackups.filenamesRegex.test(aEntry.name))
lastBackupPath = aEntry.path;
});
} finally {
@ -83,7 +81,6 @@ add_task(function check_max_backups_null() {
// since one for today already exists.
yield PlacesBackups.create(null);
let backupFilename = PlacesBackups.getFilenameForDate();
let re = new RegExp("^" + backupFilename.replace(/\.json/, "") + "(_[0-9]+){0,1}\.json$");
let count = 0;
let lastBackupPath = null;
@ -91,7 +88,7 @@ add_task(function check_max_backups_null() {
try {
yield iterator.forEach(aEntry => {
count++;
if (aEntry.name.match(re))
if (PlacesBackups.filenamesRegex.test(aEntry.name))
lastBackupPath = aEntry.path;
});
} finally {
@ -110,7 +107,6 @@ add_task(function check_max_backups_undefined() {
// since one for today already exists.
yield PlacesBackups.create();
let backupFilename = PlacesBackups.getFilenameForDate();
let re = new RegExp("^" + backupFilename.replace(/\.json/, "") + "(_[0-9]+){0,1}\.json$");
let count = 0;
let lastBackupPath = null;
@ -118,7 +114,7 @@ add_task(function check_max_backups_undefined() {
try {
yield iterator.forEach(aEntry => {
count++;
if (aEntry.name.match(re))
if (PlacesBackups.filenamesRegex.test(aEntry.name))
lastBackupPath = aEntry.path;
});
} finally {

6
toolkit/components/places/tests/bookmarks/test_477583_json-backup-in-future.js
View File

@ -22,11 +22,10 @@ function run_test() {
dateObj.setYear(dateObj.getFullYear() + 1);
let name = PlacesBackups.getFilenameForDate(dateObj);
do_check_eq(name, "bookmarks-" + dateObj.toLocaleFormat("%Y-%m-%d") + ".json");
let rx = new RegExp("^" + name.replace(/\.json/, "") + "(_[0-9]+){0,1}\.json$");
let files = bookmarksBackupDir.directoryEntries;
while (files.hasMoreElements()) {
let entry = files.getNext().QueryInterface(Ci.nsIFile);
if (entry.leafName.match(rx))
if (PlacesBackups.filenamesRegex.test(entry.leafName))
entry.remove(false);
}
@ -43,8 +42,7 @@ function run_test() {
let mostRecentBackupFile = yield PlacesBackups.getMostRecentBackup();
do_check_neq(mostRecentBackupFile, null);
let todayFilename = PlacesBackups.getFilenameForDate();
rx = new RegExp("^" + todayFilename.replace(/\.json/, "") + "(_[0-9]+){0,1}\.json$");
do_check_true(OS.Path.basename(mostRecentBackupFile).match(rx).length > 0);
do_check_true(PlacesBackups.filenamesRegex.test(OS.Path.basename(mostRecentBackupFile)));
// Check that future backup has been removed.
do_check_false(futureBackupFile.exists());

59
toolkit/components/places/tests/bookmarks/test_818584-discard-duplicate-backups.js Normal file
View File

@ -0,0 +1,59 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Checks that automatically created bookmark backups are discarded if they are
* duplicate of an existing ones.
*/
function run_test() {
run_next_test();
}
add_task(function() {
// Create a backup for yesterday in the backups folder.
let backupFolder = yield PlacesBackups.getBackupFolder();
let dateObj = new Date();
dateObj.setDate(dateObj.getDate() - 1);
let oldBackupName = PlacesBackups.getFilenameForDate(dateObj);
let oldBackup = OS.Path.join(backupFolder, oldBackupName);
let {count: count, hash: hash} = yield BookmarkJSONUtils.exportToFile(oldBackup);
do_check_true(count > 0);
do_check_eq(hash.length, 24);
oldBackupName = oldBackupName.replace(/\.json/, "_" + count + "_" + hash + ".json");
yield OS.File.move(oldBackup, OS.Path.join(backupFolder, oldBackupName));
// Create a backup.
// This should just rename the existing backup, so in the end there should be
// only one backup with today's date.
yield PlacesBackups.create();
// Get the hash of the generated backup
let backupFiles = yield PlacesBackups.getBackupFiles();
do_check_eq(backupFiles.length, 1);
let matches = OS.Path.basename(backupFiles[0]).match(PlacesBackups.filenamesRegex);
do_check_eq(matches[1], new Date().toLocaleFormat("%Y-%m-%d"));
do_check_eq(matches[2], count);
do_check_eq(matches[3], hash);
// Add a bookmark and create another backup.
let bookmarkId = PlacesUtils.bookmarks.insertBookmark(PlacesUtils.bookmarks.bookmarksMenuFolder,
uri("http://foo.com"),
PlacesUtils.bookmarks.DEFAULT_INDEX,
"foo");
// We must enforce a backup since one for today already exists. The forced
// backup will replace the existing one.
yield PlacesBackups.create(undefined, true);
do_check_eq(backupFiles.length, 1);
recentBackup = yield PlacesBackups.getMostRecentBackup();
do_check_neq(recentBackup, OS.Path.join(backupFolder, oldBackupName));
matches = OS.Path.basename(recentBackup).match(PlacesBackups.filenamesRegex);
do_check_eq(matches[1], new Date().toLocaleFormat("%Y-%m-%d"));
do_check_eq(matches[2], count + 1);
do_check_neq(matches[3], hash);
// Clean up
PlacesUtils.bookmarks.removeItem(bookmarkId);
yield PlacesBackups.create(0);
});

12
toolkit/components/places/tests/bookmarks/test_818593-store-backup-metadata.js
View File

@ -31,9 +31,9 @@ add_task(function test_saveBookmarksToJSONFile_and_create()
// Ensure the backup would be copied to our backups folder when the original
// backup is saved somewhere else.
let recentBackup = yield PlacesBackups.getMostRecentBackup();
let todayFilename = PlacesBackups.getFilenameForDate();
do_check_eq(OS.Path.basename(recentBackup),
todayFilename.replace(/\.json/, "_" + nodeCount + ".json"));
let matches = OS.Path.basename(recentBackup).match(PlacesBackups.filenamesRegex);
do_check_eq(matches[2], nodeCount);
do_check_eq(matches[3].length, 24);
// Clear all backups in our backups folder.
yield PlacesBackups.create(0);
@ -45,9 +45,9 @@ add_task(function test_saveBookmarksToJSONFile_and_create()
mostRecentBackupFile = yield PlacesBackups.getMostRecentBackup();
do_check_neq(mostRecentBackupFile, null);
let rx = new RegExp("^" + todayFilename.replace(/\.json/, "") + "_([0-9]+)\.json$");
let matches = OS.Path.basename(recentBackup).match(rx);
do_check_true(matches.length > 0 && parseInt(matches[1]) == nodeCount);
matches = OS.Path.basename(recentBackup).match(PlacesBackups.filenamesRegex);
do_check_eq(matches[2], nodeCount);
do_check_eq(matches[3].length, 24);
// Cleanup
backupFile.remove(false);

1
toolkit/components/places/tests/bookmarks/xpcshell.ini
View File

@ -29,3 +29,4 @@ tail =
[test_711914.js]
[test_protectRoots.js]
[test_818593-store-backup-metadata.js]
[test_818584-discard-duplicate-backups.js]

3
toolkit/components/places/tests/head_common.js
View File

@ -522,10 +522,9 @@ function check_JSON_backup(aIsAutomaticBackup) {
bookmarksBackupDir.append("bookmarkbackups");
let files = bookmarksBackupDir.directoryEntries;
let backup_date = new Date().toLocaleFormat("%Y-%m-%d");
let rx = new RegExp("^bookmarks-" + backup_date + "_[0-9]+\.json$");
while (files.hasMoreElements()) {
let entry = files.getNext().QueryInterface(Ci.nsIFile);
if (entry.leafName.match(rx)) {
if (PlacesBackups.filenamesRegex.test(entry.leafName)) {
profileBookmarksJSONFile = entry;
break;
}

9
toolkit/components/places/tests/unit/test_utils_backups_create.js
View File

@ -8,8 +8,6 @@
* Check for correct functionality of bookmarks backups
*/
const PREFIX = "bookmarks-";
const SUFFIX = ".json";
const NUMBER_OF_BACKUPS = 10;
function run_test() {
@ -40,7 +38,7 @@ add_task(function () {
// creation time.
// Create fake backups for the newest dates.
for (let i = dates.length - 1; i >= 0; i--) {
let backupFilename = PREFIX + dates[i] + SUFFIX;
let backupFilename = PlacesBackups.getFilenameForDate(new Date(dates[i]));
let backupFile = bookmarksBackupDir.clone();
backupFile.append(backupFilename);
backupFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("0666", 8));
@ -61,10 +59,9 @@ add_task(function () {
let backupFile;
if (i > 0) {
let files = bookmarksBackupDir.directoryEntries;
let rx = new RegExp("^" + PREFIX + dates[i] + "(_[0-9]+){0,1}" + SUFFIX + "$");
while (files.hasMoreElements()) {
let entry = files.getNext().QueryInterface(Ci.nsIFile);
if (entry.leafName.match(rx)) {
if (PlacesBackups.filenamesRegex.test(entry.leafName)) {
backupFilename = entry.leafName;
backupFile = entry;
break;
@ -73,7 +70,7 @@ add_task(function () {
shouldExist = true;
}
else {
backupFilename = PREFIX + dates[i] + SUFFIX;
backupFilename = PlacesBackups.getFilenameForDate(new Date(dates[i]));
backupFile = bookmarksBackupDir.clone();
backupFile.append(backupFilename);
shouldExist = false;

9
toolkit/components/telemetry/Histograms.json
View File

@ -2845,6 +2845,15 @@
"extended_statistics_ok": true,
"description": "PLACES: Time to convert and write bookmarks.html"
},
"PLACES_BACKUPS_HASHING_MS": {
"expires_in_version": "never",
"kind": "exponential",
"low": 50,
"high": 2000,
"n_buckets": 10,
"extended_statistics_ok": true,
"description": "PLACES: Time to calculate the md5 hash for a backup"
},
"FENNEC_FAVICONS_COUNT": {
"expires_in_version": "never",
"kind": "exponential",