gecko-dev/addon-sdk/source/lib/sdk/indexed-db.js

80 lines
2.2 KiB
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/. */
"use strict";
module.metadata = {
"stability": "experimental"
};
const { Cc, Ci } = require("chrome");
const { id } = require("./self");
// placeholder, copied from bootstrap.js
var sanitizeId = function(id){
let uuidRe =
/^\{([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})\}$/;
let domain = id.
toLowerCase().
replace(/@/g, "-at-").
replace(/\./g, "-dot-").
replace(uuidRe, "$1");
return domain
};
const PSEUDOURI = "indexeddb://" + sanitizeId(id) // https://bugzilla.mozilla.org/show_bug.cgi?id=779197
// Use XPCOM because `require("./url").URL` doesn't expose the raw uri object.
var principaluri = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService).
newURI(PSEUDOURI, null, null);
var ssm = Cc["@mozilla.org/scriptsecuritymanager;1"]
.getService(Ci.nsIScriptSecurityManager);
var principal = ssm.createCodebasePrincipal(principaluri, {});
function toArray(args) {
return Array.prototype.slice.call(args);
}
function openInternal(args, forPrincipal, deleting) {
if (forPrincipal) {
args = toArray(args);
} else {
args = [principal].concat(toArray(args));
}
if (args.length == 2) {
args.push({ storage: "persistent" });
} else if (!deleting && args.length >= 3 && typeof args[2] === "number") {
args[2] = { version: args[2], storage: "persistent" };
}
if (deleting) {
return indexedDB.deleteForPrincipal.apply(indexedDB, args);
}
return indexedDB.openForPrincipal.apply(indexedDB, args);
}
exports.indexedDB = Object.freeze({
open: function () {
return openInternal(arguments, false, false);
},
deleteDatabase: function () {
return openInternal(arguments, false, true);
},
openForPrincipal: function () {
return openInternal(arguments, true, false);
},
deleteForPrincipal: function () {
return openInternal(arguments, true, true);
},
cmp: indexedDB.cmp.bind(indexedDB)
});
exports.IDBKeyRange = IDBKeyRange;
exports.DOMException = Ci.nsIDOMDOMException;