/usr/share/xul-ext/ubiquity/modules/dbutils.js is in xul-ext-ubiquity 0.6.4~pre20140729-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Ubiquity.
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brandon Pung <brandonpung@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// = DbUtils =
var EXPORTED_SYMBOLS = ["DbUtils"];
const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
var DbUtils = {};
for each (let f in this) if (typeof f === "function") DbUtils[f.name] = f;
delete DbUtils.QueryInterface;
// === {{{ DbUtils.connectLite(tableName, schemaDict, initialRows, file) }}}
// Creates a simple DB file in the user's profile directory (if nonexistent)
// and returns a
// [[https://developer.mozilla.org/en/mozIStorageService|connection]] to it.
//
// {{{tableName}}}
// is the string which is used for both the file name and table name.
//
// {{{schemaDict}}} is the dictionary that represents the table schema.
//
// {{{initialRows}}} is an optional array of arrays that specifies
// initial values of the table.
//
// {{{file}}} is an optional {{{nsIFile}}} instance specifying the DB file.
function connectLite(tableName, schemaDict, initialRows, file) {
if (!file)
((file = (Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties)
.get("ProfD", Ci.nsIFile)))
.append(tableName + ".sqlite"));
var connection = openDatabase(file);
if (connection && !connection.tableExists(tableName)) {
let schema = (
"CREATE TABLE " + tableName + "(" +
[key + " " + schemaDict[key] for (key in schemaDict)].join(",") +
");");
for each (let row in initialRows) schema += (
"INSERT INTO " + tableName + " VALUES(" +
[typeof v === "string"
? "'" + v.replace(/\'/g, "''") + "'"
: v == null ? "NULL" : v
for each (v in row)].join(",") +
");");
try { connection.executeSimpleSQL(schema) }
catch (e) {
Cu.reportError(
tableName + " database table appears to be corrupt. Resetting it." +
"\n(" + connection.lastErrorString + ")");
// remove corrupt database table
file.exists() && file.remove(false);
connection = openDatabase(file);
connection.executeSimpleSQL(schema);
}
}
return connection;
}
function openDatabase(file) {
/* If the pointed-at file doesn't already exist, it means the database
* has never been initialized */
var connection = null;
var storSvc = (Cc["@mozilla.org/storage/service;1"]
.getService(Ci.mozIStorageService));
try {
connection = storSvc.openDatabase(file);
} catch (e) {
Cu.reportError(
"Opening database failed. It may not have been initialized.");
}
return connection;
}
function createTable(connection, tableName, schema) {
if (!connection.tableExists(tableName))
try {
connection.executeSimpleSQL(schema);
} catch (e) {
Cu.reportInfo(
tableName + " database table appears to be corrupt. Resetting it.");
let file = connection.databaseFile;
// remove corrupt database table
file.exists() && file.remove(false);
connection = openDatabase(file);
connection.executeSimpleSQL(schema);
}
return connection;
}
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