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/* 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
/* exported launchBrowser */
/**
* Launch the given url (string) in the external browser. If an event is passed,
* then this is only done on left click and the event propagation is stopped.
*
* @param url The URL to open, as a string
* @param event (optional) The event that caused the URL to open
*/
function launchBrowser(url, event) {
// Bail out if there is no url set, or an event was passed without left-click
if (!url || (event && event.button != 0)) {
return;
}
// 0. Prevent people from trying to launch URLs such as javascript:foo();
// by only allowing URLs starting with http or https or mid.
// XXX: We likely will want to do this using nsIURLs in the future to
// prevent sneaky nasty escaping issues, but this is fine for now.
if (!/^https?:/i.test(url) && !/^mid:/i.test(url)) {
console.error(
"launchBrowser: Invalid URL provided: " + url + " Only http(s):// and mid:// URLs are valid."
);
return;
}
if (/^mid:/i.test(url)) {
MailUtils.openMessageForMessageId(url.slice(4));
return;
}
Cc["@mozilla.org/uriloader/external-protocol-service;1"]
.getService(Ci.nsIExternalProtocolService)
.loadURI(Services.io.newURI(url));
// Make sure that any default click handlers don't do anything, we have taken
// care of all processing
if (event) {
event.stopPropagation();
event.preventDefault();
}
}