gecko-dev/toolkit/components/passwordmgr/LoginImport.jsm

178 строки
6.4 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */
/* 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/. */
/**
* Provides an object that has a method to import login-related data from the
* previous SQLite storage format.
*/
"use strict";
this.EXPORTED_SYMBOLS = [
"LoginImport",
];
////////////////////////////////////////////////////////////////////////////////
//// Globals
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Task.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "OS",
"resource://gre/modules/osfile.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Sqlite",
"resource://gre/modules/Sqlite.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
"resource://gre/modules/NetUtil.jsm");
////////////////////////////////////////////////////////////////////////////////
//// LoginImport
/**
* Provides an object that has a method to import login-related data from the
* previous SQLite storage format.
*
* @param aStore
* LoginStore object where imported data will be added.
* @param aPath
* String containing the file path of the SQLite login database.
*/
this.LoginImport = function (aStore, aPath)
{
this.store = aStore;
this.path = aPath;
}
this.LoginImport.prototype = {
/**
* LoginStore object where imported data will be added.
*/
store: null,
/**
* String containing the file path of the SQLite login database.
*/
path: null,
/**
* Imports login-related data from the previous SQLite storage format.
*/
import: Task.async(function* () {
// We currently migrate data directly from the database to the JSON store at
// first run, then we set a preference to prevent repeating the import.
// Thus, merging with existing data is not a use case we support. This
// restriction might be removed to support re-importing passwords set by an
// old version by flipping the import preference and restarting.
if (this.store.data.logins.length > 0 ||
this.store.data.disabledHosts.length > 0) {
throw new Error("Unable to import saved passwords because some data " +
"has already been imported or saved.");
}
// When a timestamp is not specified, we will use the same reference time.
let referenceTimeMs = Date.now();
let connection = yield Sqlite.openConnection({ path: this.path });
try {
let schemaVersion = yield connection.getSchemaVersion();
// We support importing database schema versions from 3 onwards.
// Version 3 was implemented in bug 316084 (Firefox 3.6, March 2009).
// Version 4 was implemented in bug 465636 (Firefox 4, March 2010).
// Version 5 was implemented in bug 718817 (Firefox 13, February 2012).
if (schemaVersion < 3) {
throw new Error("Unable to import saved passwords because " +
"the existing profile is too old.");
}
let rows = yield connection.execute("SELECT * FROM moz_logins");
for (let row of rows) {
try {
let hostname = row.getResultByName("hostname");
let httpRealm = row.getResultByName("httpRealm");
let formSubmitURL = row.getResultByName("formSubmitURL");
let usernameField = row.getResultByName("usernameField");
let passwordField = row.getResultByName("passwordField");
let encryptedUsername = row.getResultByName("encryptedUsername");
let encryptedPassword = row.getResultByName("encryptedPassword");
// The "guid" field was introduced in schema version 2, and the
// "enctype" field was introduced in schema version 3. We don't
// support upgrading from older versions of the database.
let guid = row.getResultByName("guid");
let encType = row.getResultByName("encType");
// The time and count fields were introduced in schema version 4.
let timeCreated = null;
let timeLastUsed = null;
let timePasswordChanged = null;
let timesUsed = null;
try {
timeCreated = row.getResultByName("timeCreated");
timeLastUsed = row.getResultByName("timeLastUsed");
timePasswordChanged = row.getResultByName("timePasswordChanged");
timesUsed = row.getResultByName("timesUsed");
} catch (ex) { }
// These columns may be null either because they were not present in
// the database or because the record was created on a new schema
// version by an old application version.
if (!timeCreated) {
timeCreated = referenceTimeMs;
}
if (!timeLastUsed) {
timeLastUsed = referenceTimeMs;
}
if (!timePasswordChanged) {
timePasswordChanged = referenceTimeMs;
}
if (!timesUsed) {
timesUsed = 1;
}
this.store.data.logins.push({
id: this.store.data.nextId++,
hostname: hostname,
httpRealm: httpRealm,
formSubmitURL: formSubmitURL,
usernameField: usernameField,
passwordField: passwordField,
encryptedUsername: encryptedUsername,
encryptedPassword: encryptedPassword,
guid: guid,
encType: encType,
timeCreated: timeCreated,
timeLastUsed: timeLastUsed,
timePasswordChanged: timePasswordChanged,
timesUsed: timesUsed,
});
} catch (ex) {
Cu.reportError("Error importing login: " + ex);
}
}
rows = yield connection.execute("SELECT * FROM moz_disabledHosts");
for (let row of rows) {
try {
let id = row.getResultByName("id");
let hostname = row.getResultByName("hostname");
this.store.data.disabledHosts.push(hostname);
} catch (ex) {
Cu.reportError("Error importing disabled host: " + ex);
}
}
} finally {
yield connection.close();
}
}),
};