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Meteor.loginWithCas = function(callback) {
var credentialToken = Random.id();
if (!Meteor.settings.public &&
!Meteor.settings.public.cas &&
!Meteor.settings.public.cas.loginUrl) {
return;
}
var settings = Meteor.settings.public.cas;
var loginUrl = settings.loginUrl +
"?" + (settings.service || "service") + "=" +
Meteor.absoluteUrl('_cas/') +
credentialToken;
var fail = function (err) {
Meteor._debug("Error from OAuth popup: " + JSON.stringify(err));
};
// When running on an android device, we sometimes see the
// `pageLoaded` callback fire twice for the final page in the OAuth
// popup, even though the page only loads once. This is maybe an
// Android bug or maybe something intentional about how onPageFinished
// works that we don't understand and isn't well-documented.
var oauthFinished = false;
var pageLoaded = function (event) {
if (oauthFinished) {
return;
}
if (event.url.indexOf(Meteor.absoluteUrl('_cas')) === 0) {
oauthFinished = true;
// On iOS, this seems to prevent "Warning: Attempt to dismiss from
// view controller <MainViewController: ...> while a presentation
// or dismiss is in progress". My guess is that the last
// navigation of the OAuth popup is still in progress while we try
// to close the popup. See
// https://issues.apache.org/jira/browse/CB-2285.
//
// XXX Can we make this timeout smaller?
setTimeout(function () {
popup.close();
// check auth on server.
Accounts.callLoginMethod({
methodArguments: [{ cas: { credentialToken: credentialToken } }],
userCallback: callback
});
}, 100);
}
};
var onExit = function () {
popup.removeEventListener('loadstop', pageLoaded);
popup.removeEventListener('loaderror', fail);
popup.removeEventListener('exit', onExit);
};
var popup = window.open(loginUrl, '_blank', 'location=no,hidden=no');
popup.addEventListener('loadstop', pageLoaded);
popup.addEventListener('loaderror', fail);
popup.addEventListener('exit', onExit);
popup.show();
};
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