1 files changed, 67 insertions, 0 deletions
diff --git a/lib/http_observer/allowed_referrers.js b/lib/http_observer/allowed_referrers.js
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+++ b/lib/http_observer/allowed_referrers.js
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+/**
+ * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
+ * *
+ * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see  <http://www.gnu.org/licenses/>.
+ *
+ */
+
+var prefChange = require("addon_management/prefchange");
+
+var allowed = {};
+
+/**
+ * Contains a list of pages that are allowed
+ * to execute JavaScript regardless of whether it is
+ * nonfree and nontrivial.
+ */
+var AllowedReferrers = function() {
+};
+
+AllowedReferrers.prototype.addPage = function(url) {
+    allowed[url] = 1;
+};
+
+AllowedReferrers.prototype.urlInAllowedReferrers = function (url) {
+	if (allowed[url] === 1) {
+	    return true;
+	}
+	// check if whitelisted.
+	return this.urlInWhitelist(url);
+};
+
+AllowedReferrers.prototype.urlInWhitelist = function(url) {
+	var whitelist = prefChange.getWhitelist();
+	var i = 0, le = whitelist.length;
+	for (; i < le; i++) {
+	    if (whitelist[i].test(url)) {
+		    return true;
+	    }
+	}
+};
+
+AllowedReferrers.prototype.clearSinglePageEntry = function(url) {
+	var index = allowed[url];
+
+	if (allowed[url] === 1) {
+	    delete allowed[url];
+	}
+};
+
+AllowedReferrers.prototype.clearAllEntries = function() {
+	allowed = {};
+};
+
+exports.allowedReferrers = new AllowedReferrers();