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modify to support CAS V3.0 #13

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modify to support CAS V3.0 #13

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65 changes: 60 additions & 5 deletions lib/cas.js
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ var CAS = module.exports = function CAS(options)

// Setting this to false will allow cause bad SSL certificates to still
// be accepted. Use only for testing.
this.secureSSL = true;
this.secureSSL = false;

// Optional single sign out server list
if (options.sso_servers) {
Expand Down Expand Up @@ -369,7 +369,16 @@ CAS.prototype.validate = function(ticket, callback, service, renew)
if (this.version < 2.0) {
// CAS 1.0
validate_path = 'validate';
} else {
} else if (this.version > 2.0){
pgtURL = this.pgt_url;
if (ticket.indexOf('PT-') == 0) {
validate_path = 'p3/proxyValidate';
} else {
validate_path = 'p3/serviceValidate';
//validate_path = 'p3/proxyValidate';
}
}
else {
// CAS 2.0
pgtURL = this.pgt_url;
if (ticket.indexOf('PT-') == 0) {
Expand Down Expand Up @@ -441,12 +450,58 @@ CAS.prototype.validate = function(ticket, callback, service, renew)
// Format was not correct, error
callback(new Error('Bad response format.'));
}

// CAS 3.0 (XML response, and extended attributes)
else if (this.version > 2.0){
// Use cheerio to parse the XML repsonse.
var $ = cheerio.load(response);
// Check for auth success
var elemSuccess = $('cas\\:authenticationSuccess').first();
if (elemSuccess && elemSuccess.length > 0) {
var elemUser = elemSuccess.find('cas\\:user').first();
if (!elemUser || elemUser.length < 1) {
// This should never happen
callback(new Error("No username?"), false);
return;
}

// Got username
var username = elemUser.text();



// Look for optional proxy granting ticket
var pgtIOU;
var elemPGT = elemSuccess.find('cas\\:proxyGrantingTicket').first();
if (elemPGT) {
pgtIOU = elemPGT.text();
}

// Look for optional proxies
var proxies = [];
var elemProxies = elemSuccess.find('cas\\:proxies');
for (var i=0; i<elemProxies.length; i++) {
var thisProxy = $(elemProxies[i]).text().trim();
proxies.push(thisProxy);
}

// Look for optional attributes
var attributes = parseAttributes(elemSuccess);


callback(undefined, true, username, {
'username': username,
'attributes': attributes,
'PGTIOU': pgtIOU,
'ticket': ticket,
'proxies': proxies
});
return;
}
}
// CAS 2.0 (XML response, and extended attributes)
else {
// Use cheerio to parse the XML repsonse.
var $ = cheerio.load(response);

var $ = cheerio.load(response);
// Check for auth success
var elemSuccess = $('cas\\:authenticationSuccess').first();
if (elemSuccess && elemSuccess.length > 0) {
Expand Down