1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/modules/PermissionsUtils.jsm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,79 @@
1.4 +// This Source Code Form is subject to the terms of the Mozilla Public
1.5 +// License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 +// file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.7 +
1.8 +this.EXPORTED_SYMBOLS = ["PermissionsUtils"];
1.9 +
1.10 +const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
1.11 +
1.12 +Cu.import("resource://gre/modules/Services.jsm");
1.13 +
1.14 +
1.15 +let gImportedPrefBranches = new Set();
1.16 +
1.17 +function importPrefBranch(aPrefBranch, aPermission, aAction) {
1.18 + let list = Services.prefs.getChildList(aPrefBranch, {});
1.19 +
1.20 + for (let pref of list) {
1.21 + let hosts = "";
1.22 + try {
1.23 + hosts = Services.prefs.getCharPref(pref);
1.24 + } catch (e) {}
1.25 +
1.26 + if (!hosts)
1.27 + continue;
1.28 +
1.29 + hosts = hosts.split(",");
1.30 +
1.31 + for (let host of hosts) {
1.32 + try {
1.33 + let uri = Services.io.newURI("http://" + host, null, null);
1.34 + Services.perms.add(uri, aPermission, aAction);
1.35 + } catch (e) {}
1.36 + }
1.37 +
1.38 + Services.prefs.setCharPref(pref, "");
1.39 + }
1.40 +}
1.41 +
1.42 +
1.43 +this.PermissionsUtils = {
1.44 + /**
1.45 + * Import permissions from perferences to the Permissions Manager. After being
1.46 + * imported, all processed permissions will be set to an empty string.
1.47 + * Perferences are only processed once during the application's
1.48 + * lifetime - it's safe to call this multiple times without worrying about
1.49 + * doing unnecessary work, as the preferences branch will only be processed
1.50 + * the first time.
1.51 + *
1.52 + * @param aPrefBranch Preferences branch to import from. The preferences
1.53 + * under this branch can specify whitelist (ALLOW_ACTION)
1.54 + * or blacklist (DENY_ACTION) additions using perference
1.55 + * names of the form:
1.56 + * * <BRANCH>.whitelist.add.<ID>
1.57 + * * <BRANCH>.blacklist.add.<ID>
1.58 + * Where <ID> can be any valid preference name.
1.59 + * The value is expected to be a comma separated list of
1.60 + * host named. eg:
1.61 + * * something.example.com
1.62 + * * foo.exmaple.com,bar.example.com
1.63 + *
1.64 + * @param aPermission Permission name to be passsed to the Permissions
1.65 + * Manager.
1.66 + */
1.67 + importFromPrefs: function(aPrefBranch, aPermission) {
1.68 + if (!aPrefBranch.endsWith("."))
1.69 + aPrefBranch += ".";
1.70 +
1.71 + // Ensure we only import this pref branch once.
1.72 + if (gImportedPrefBranches.has(aPrefBranch))
1.73 + return;
1.74 +
1.75 + importPrefBranch(aPrefBranch + "whitelist.add", aPermission,
1.76 + Services.perms.ALLOW_ACTION);
1.77 + importPrefBranch(aPrefBranch + "blacklist.add", aPermission,
1.78 + Services.perms.DENY_ACTION);
1.79 +
1.80 + gImportedPrefBranches.add(aPrefBranch);
1.81 + }
1.82 +};
