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authorCraig Andrews <candrews@integralblue.com>2010-03-02 23:24:50 -0500
committerCraig Andrews <candrews@integralblue.com>2010-03-02 23:25:34 -0500
commit358556057a87c0cb9291223a2026782e6548ff2e (patch)
tree57272e299ccf0fde25d2dfe348f60de4aa4f648b /plugins/CasAuthentication/extlib/CAS/client.php
parentddf3614c843bcd8d9ecfd0850ac9a8cefae6dbba (diff)
Bump to phpCAS 1.1.0RC6
Diffstat (limited to 'plugins/CasAuthentication/extlib/CAS/client.php')
-rw-r--r--plugins/CasAuthentication/extlib/CAS/client.php552
1 files changed, 465 insertions, 87 deletions
diff --git a/plugins/CasAuthentication/extlib/CAS/client.php b/plugins/CasAuthentication/extlib/CAS/client.php
index bbde55a28..ad5a23f83 100644
--- a/plugins/CasAuthentication/extlib/CAS/client.php
+++ b/plugins/CasAuthentication/extlib/CAS/client.php
@@ -351,6 +351,43 @@ class CASClient
{
return $this->_server['login_url'] = $url;
}
+
+
+ /**
+ * This method sets the serviceValidate URL of the CAS server.
+ * @param $url the serviceValidate URL
+ * @private
+ * @since 1.1.0 by Joachim Fritschi
+ */
+ function setServerServiceValidateURL($url)
+ {
+ return $this->_server['service_validate_url'] = $url;
+ }
+
+
+ /**
+ * This method sets the proxyValidate URL of the CAS server.
+ * @param $url the proxyValidate URL
+ * @private
+ * @since 1.1.0 by Joachim Fritschi
+ */
+ function setServerProxyValidateURL($url)
+ {
+ return $this->_server['proxy_validate_url'] = $url;
+ }
+
+
+ /**
+ * This method sets the samlValidate URL of the CAS server.
+ * @param $url the samlValidate URL
+ * @private
+ * @since 1.1.0 by Joachim Fritschi
+ */
+ function setServerSamlValidateURL($url)
+ {
+ return $this->_server['saml_validate_url'] = $url;
+ }
+
/**
* This method is used to retrieve the service validating URL of the CAS server.
@@ -373,7 +410,25 @@ class CASClient
// return $this->_server['service_validate_url'].'?service='.preg_replace('/&/','%26',$this->getURL());
return $this->_server['service_validate_url'].'?service='.urlencode($this->getURL());
}
-
+ /**
+ * This method is used to retrieve the SAML validating URL of the CAS server.
+ * @return a URL.
+ * @private
+ */
+ function getServerSamlValidateURL()
+ {
+ phpCAS::traceBegin();
+ // the URL is build only when needed
+ if ( empty($this->_server['saml_validate_url']) ) {
+ switch ($this->getServerVersion()) {
+ case SAML_VERSION_1_1:
+ $this->_server['saml_validate_url'] = $this->getServerBaseURL().'samlValidate';
+ break;
+ }
+ }
+ phpCAS::traceEnd($this->_server['saml_validate_url'].'?TARGET='.urlencode($this->getURL()));
+ return $this->_server['saml_validate_url'].'?TARGET='.urlencode($this->getURL());
+ }
/**
* This method is used to retrieve the proxy validating URL of the CAS server.
* @return a URL.
@@ -497,31 +552,51 @@ class CASClient
phpCAS::traceBegin();
- if (!$this->isLogoutRequest() && !empty($_GET['ticket']) && $start_session) {
- // copy old session vars and destroy the current session
- if (!isset($_SESSION)) {
- session_start();
- }
- $old_session = $_SESSION;
- session_destroy();
- // set up a new session, of name based on the ticket
- $session_id = preg_replace('/[^\w]/','',$_GET['ticket']);
- phpCAS::LOG("Session ID: " . $session_id);
- session_id($session_id);
- if (!isset($_SESSION)) {
- session_start();
- }
- // restore old session vars
- $_SESSION = $old_session;
- // Redirect to location without ticket.
- header('Location: '.$this->getURL());
- }
-
- //activate session mechanism if desired
- if (!$this->isLogoutRequest() && $start_session) {
- session_start();
+ // the redirect header() call and DOM parsing code from domxml-php4-php5.php won't work in PHP4 compatibility mode
+ if (version_compare(PHP_VERSION,'5','>=') && ini_get('zend.ze1_compatibility_mode')) {
+ phpCAS::error('phpCAS cannot support zend.ze1_compatibility_mode. Sorry.');
+ }
+ // skip Session Handling for logout requests and if don't want it'
+ if ($start_session && !$this->isLogoutRequest()) {
+ phpCAS::trace("Starting session handling");
+ // Check for Tickets from the CAS server
+ if (empty($_GET['ticket'])){
+ phpCAS::trace("No ticket found");
+ // only create a session if necessary
+ if (!isset($_SESSION)) {
+ phpCAS::trace("No session found, creating new session");
+ session_start();
+ }
+ }else{
+ phpCAS::trace("Ticket found");
+ // We have to copy any old data before renaming the session
+ if (isset($_SESSION)) {
+ phpCAS::trace("Old active session found, saving old data and destroying session");
+ $old_session = $_SESSION;
+ session_destroy();
+ }else{
+ session_start();
+ phpCAS::trace("Starting possible old session to copy variables");
+ $old_session = $_SESSION;
+ session_destroy();
+ }
+ // set up a new session, of name based on the ticket
+ $session_id = preg_replace('/[^\w]/','',$_GET['ticket']);
+ phpCAS::LOG("Session ID: " . $session_id);
+ session_id($session_id);
+ session_start();
+ // restore old session vars
+ if(isset($old_session)){
+ phpCAS::trace("Restoring old session vars");
+ $_SESSION = $old_session;
+ }
+ }
+ }else{
+ phpCAS::trace("Skipping session creation");
}
+
+ // are we in proxy mode ?
$this->_proxy = $proxy;
//check version
@@ -533,6 +608,8 @@ class CASClient
break;
case CAS_VERSION_2_0:
break;
+ case SAML_VERSION_1_1:
+ break;
default:
phpCAS::error('this version of CAS (`'
.$server_version
@@ -541,29 +618,29 @@ class CASClient
}
$this->_server['version'] = $server_version;
- //check hostname
+ // check hostname
if ( empty($server_hostname)
|| !preg_match('/[\.\d\-abcdefghijklmnopqrstuvwxyz]*/',$server_hostname) ) {
phpCAS::error('bad CAS server hostname (`'.$server_hostname.'\')');
}
$this->_server['hostname'] = $server_hostname;
- //check port
+ // check port
if ( $server_port == 0
|| !is_int($server_port) ) {
phpCAS::error('bad CAS server port (`'.$server_hostname.'\')');
}
$this->_server['port'] = $server_port;
- //check URI
+ // check URI
if ( !preg_match('/[\.\d\-_abcdefghijklmnopqrstuvwxyz\/]*/',$server_uri) ) {
phpCAS::error('bad CAS server URI (`'.$server_uri.'\')');
}
- //add leading and trailing `/' and remove doubles
+ // add leading and trailing `/' and remove doubles
$server_uri = preg_replace('/\/\//','/','/'.$server_uri.'/');
$this->_server['uri'] = $server_uri;
- //set to callback mode if PgtIou and PgtId CGI GET parameters are provided
+ // set to callback mode if PgtIou and PgtId CGI GET parameters are provided
if ( $this->isProxy() ) {
$this->setCallbackMode(!empty($_GET['pgtIou'])&&!empty($_GET['pgtId']));
}
@@ -590,8 +667,12 @@ class CASClient
}
break;
case CAS_VERSION_2_0: // check for a Service or Proxy Ticket
- if( preg_match('/^[SP]T-/',$ticket) ) {
- phpCAS::trace('ST or PT \''.$ticket.'\' found');
+ if (preg_match('/^ST-/', $ticket)) {
+ phpCAS::trace('ST \'' . $ticket . '\' found');
+ $this->setST($ticket);
+ unset ($_GET['ticket']);
+ } else if (preg_match('/^PT-/', $ticket)) {
+ phpCAS::trace('PT \'' . $ticket . '\' found');
$this->setPT($ticket);
unset($_GET['ticket']);
} else if ( !empty($ticket) ) {
@@ -599,6 +680,16 @@ class CASClient
phpCAS::error('ill-formed ticket found in the URL (ticket=`'.htmlentities($ticket).'\')');
}
break;
+ case SAML_VERSION_1_1: // SAML just does Service Tickets
+ if( preg_match('/^[SP]T-/',$ticket) ) {
+ phpCAS::trace('SA \''.$ticket.'\' found');
+ $this->setSA($ticket);
+ unset($_GET['ticket']);
+ } else if ( !empty($ticket) ) {
+ //ill-formed ticket, halt
+ phpCAS::error('ill-formed ticket found in the URL (ticket=`'.htmlentities($ticket).'\')');
+ }
+ break;
}
}
phpCAS::traceEnd();
@@ -652,6 +743,45 @@ class CASClient
}
return $this->_user;
}
+
+
+
+ /***********************************************************************************************************************
+ * Atrributes section
+ *
+ * @author Matthias Crauwels <matthias.crauwels@ugent.be>, Ghent University, Belgium
+ *
+ ***********************************************************************************************************************/
+ /**
+ * The Authenticated users attributes. Written by CASClient::setAttributes(), read by CASClient::getAttributes().
+ * @attention client applications should use phpCAS::getAttributes().
+ *
+ * @hideinitializer
+ * @private
+ */
+ var $_attributes = array();
+
+ function setAttributes($attributes)
+ { $this->_attributes = $attributes; }
+
+ function getAttributes() {
+ if ( empty($this->_user) ) { // if no user is set, there shouldn't be any attributes also...
+ phpCAS::error('this method should be used only after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()');
+ }
+ return $this->_attributes;
+ }
+
+ function hasAttributes()
+ { return !empty($this->_attributes); }
+
+ function hasAttribute($key)
+ { return (is_array($this->_attributes) && array_key_exists($key, $this->_attributes)); }
+
+ function getAttribute($key) {
+ if($this->hasAttribute($key)) {
+ return $this->_attributes[$key];
+ }
+ }
/**
* This method is called to renew the authentication of the user
@@ -778,55 +908,72 @@ class CASClient
* This method is called to check if the user is authenticated (previously or by
* tickets given in the URL).
*
- * @return TRUE when the user is authenticated.
+ * @return TRUE when the user is authenticated. Also may redirect to the same URL without the ticket.
*
* @public
*/
function isAuthenticated()
{
- phpCAS::traceBegin();
- $res = FALSE;
- $validate_url = '';
-
- if ( $this->wasPreviouslyAuthenticated() ) {
- // the user has already (previously during the session) been
- // authenticated, nothing to be done.
- phpCAS::trace('user was already authenticated, no need to look for tickets');
- $res = TRUE;
- }
- elseif ( $this->hasST() ) {
- // if a Service Ticket was given, validate it
- phpCAS::trace('ST `'.$this->getST().'\' is present');
- $this->validateST($validate_url,$text_response,$tree_response); // if it fails, it halts
- phpCAS::trace('ST `'.$this->getST().'\' was validated');
- if ( $this->isProxy() ) {
- $this->validatePGT($validate_url,$text_response,$tree_response); // idem
- phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');
- $_SESSION['phpCAS']['pgt'] = $this->getPGT();
+ phpCAS::traceBegin();
+ $res = FALSE;
+ $validate_url = '';
+
+ if ( $this->wasPreviouslyAuthenticated() ) {
+ // the user has already (previously during the session) been
+ // authenticated, nothing to be done.
+ phpCAS::trace('user was already authenticated, no need to look for tickets');
+ $res = TRUE;
}
- $_SESSION['phpCAS']['user'] = $this->getUser();
- $res = TRUE;
- }
- elseif ( $this->hasPT() ) {
- // if a Proxy Ticket was given, validate it
- phpCAS::trace('PT `'.$this->getPT().'\' is present');
- $this->validatePT($validate_url,$text_response,$tree_response); // note: if it fails, it halts
- phpCAS::trace('PT `'.$this->getPT().'\' was validated');
- if ( $this->isProxy() ) {
- $this->validatePGT($validate_url,$text_response,$tree_response); // idem
- phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');
- $_SESSION['phpCAS']['pgt'] = $this->getPGT();
+ else {
+ if ( $this->hasST() ) {
+ // if a Service Ticket was given, validate it
+ phpCAS::trace('ST `'.$this->getST().'\' is present');
+ $this->validateST($validate_url,$text_response,$tree_response); // if it fails, it halts
+ phpCAS::trace('ST `'.$this->getST().'\' was validated');
+ if ( $this->isProxy() ) {
+ $this->validatePGT($validate_url,$text_response,$tree_response); // idem
+ phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');
+ $_SESSION['phpCAS']['pgt'] = $this->getPGT();
+ }
+ $_SESSION['phpCAS']['user'] = $this->getUser();
+ $res = TRUE;
+ }
+ elseif ( $this->hasPT() ) {
+ // if a Proxy Ticket was given, validate it
+ phpCAS::trace('PT `'.$this->getPT().'\' is present');
+ $this->validatePT($validate_url,$text_response,$tree_response); // note: if it fails, it halts
+ phpCAS::trace('PT `'.$this->getPT().'\' was validated');
+ if ( $this->isProxy() ) {
+ $this->validatePGT($validate_url,$text_response,$tree_response); // idem
+ phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');
+ $_SESSION['phpCAS']['pgt'] = $this->getPGT();
+ }
+ $_SESSION['phpCAS']['user'] = $this->getUser();
+ $res = TRUE;
+ }
+ elseif ( $this->hasSA() ) {
+ // if we have a SAML ticket, validate it.
+ phpCAS::trace('SA `'.$this->getSA().'\' is present');
+ $this->validateSA($validate_url,$text_response,$tree_response); // if it fails, it halts
+ phpCAS::trace('SA `'.$this->getSA().'\' was validated');
+ $_SESSION['phpCAS']['user'] = $this->getUser();
+ $_SESSION['phpCAS']['attributes'] = $this->getAttributes();
+ $res = TRUE;
+ }
+ else {
+ // no ticket given, not authenticated
+ phpCAS::trace('no ticket found');
+ }
+ if ($res) {
+ // if called with a ticket parameter, we need to redirect to the app without the ticket so that CAS-ification is transparent to the browser (for later POSTS)
+ // most of the checks and errors should have been made now, so we're safe for redirect without masking error messages.
+ header('Location: '.$this->getURL());
+ phpCAS::log( "Prepare redirect to : ".$this->getURL() );
+ }
}
- $_SESSION['phpCAS']['user'] = $this->getUser();
- $res = TRUE;
- }
- else {
- // no ticket given, not authenticated
- phpCAS::trace('no ticket found');
- }
-
- phpCAS::traceEnd($res);
- return $res;
+
+ phpCAS::traceEnd($res);
+ return $res;
}
/**
@@ -889,6 +1036,9 @@ class CASClient
if ( $this->isSessionAuthenticated() ) {
// authentication already done
$this->setUser($_SESSION['phpCAS']['user']);
+ if(isset($_SESSION['phpCAS']['attributes'])){
+ $this->setAttributes($_SESSION['phpCAS']['attributes']);
+ }
phpCAS::trace('user = `'.$_SESSION['phpCAS']['user'].'\'');
$auth = TRUE;
} else {
@@ -917,6 +1067,7 @@ class CASClient
printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);
$this->printHTMLFooter();
+
phpCAS::traceExit();
exit();
}
@@ -962,11 +1113,15 @@ class CASClient
$cas_url = $cas_url . $paramSeparator . "service=" . urlencode($params['service']);
}
header('Location: '.$cas_url);
+ phpCAS::log( "Prepare redirect to : ".$cas_url );
+
session_unset();
session_destroy();
+
$this->printHTMLHeader($this->getString(CAS_STR_LOGOUT));
printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);
$this->printHTMLFooter();
+
phpCAS::traceExit();
exit();
}
@@ -1009,10 +1164,10 @@ class CASClient
}
$client_ip = $_SERVER['REMOTE_ADDR'];
$client = gethostbyaddr($client_ip);
- phpCAS::log("Client: ".$client);
+ phpCAS::log("Client: ".$client."/".$client_ip);
$allowed = false;
foreach ($allowed_clients as $allowed_client) {
- if ($client == $allowed_client) {
+ if (($client == $allowed_client) or ($client_ip == $allowed_client)) {
phpCAS::log("Allowed client '".$allowed_client."' matches, logout request is allowed");
$allowed = true;
break;
@@ -1284,6 +1439,151 @@ class CASClient
phpCAS::traceEnd(TRUE);
return TRUE;
}
+
+ // ########################################################################
+ // SAML VALIDATION
+ // ########################################################################
+ /**
+ * @addtogroup internalBasic
+ * @{
+ */
+
+ /**
+ * This method is used to validate a SAML TICKET; halt on failure, and sets $validate_url,
+ * $text_reponse and $tree_response on success. These parameters are used later
+ * by CASClient::validatePGT() for CAS proxies.
+ *
+ * @param $validate_url the URL of the request to the CAS server.
+ * @param $text_response the response of the CAS server, as is (XML text).
+ * @param $tree_response the response of the CAS server, as a DOM XML tree.
+ *
+ * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().
+ *
+ * @private
+ */
+ function validateSA($validate_url,&$text_response,&$tree_response)
+ {
+ phpCAS::traceBegin();
+
+ // build the URL to validate the ticket
+ $validate_url = $this->getServerSamlValidateURL();
+
+ // open and read the URL
+ if ( !$this->readURL($validate_url,''/*cookies*/,$headers,$text_response,$err_msg) ) {
+ phpCAS::trace('could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')');
+ $this->authError('SA not validated', $validate_url, TRUE/*$no_response*/);
+ }
+
+ phpCAS::trace('server version: '.$this->getServerVersion());
+
+ // analyze the result depending on the version
+ switch ($this->getServerVersion()) {
+ case SAML_VERSION_1_1:
+
+ // read the response of the CAS server into a DOM object
+ if ( !($dom = domxml_open_mem($text_response))) {
+ phpCAS::trace('domxml_open_mem() failed');
+ $this->authError('SA not validated',
+ $validate_url,
+ FALSE/*$no_response*/,
+ TRUE/*$bad_response*/,
+ $text_response);
+ }
+ // read the root node of the XML tree
+ if ( !($tree_response = $dom->document_element()) ) {
+ phpCAS::trace('document_element() failed');
+ $this->authError('SA not validated',
+ $validate_url,
+ FALSE/*$no_response*/,
+ TRUE/*$bad_response*/,
+ $text_response);
+ }
+ // insure that tag name is 'Envelope'
+ if ( $tree_response->node_name() != 'Envelope' ) {
+ phpCAS::trace('bad XML root node (should be `Envelope\' instead of `'.$tree_response->node_name().'\'');
+ $this->authError('SA not validated',
+ $validate_url,
+ FALSE/*$no_response*/,
+ TRUE/*$bad_response*/,
+ $text_response);
+ }
+ // check for the NameIdentifier tag in the SAML response
+ if ( sizeof($success_elements = $tree_response->get_elements_by_tagname("NameIdentifier")) != 0) {
+ phpCAS::trace('NameIdentifier found');
+ $user = trim($success_elements[0]->get_content());
+ phpCAS::trace('user = `'.$user.'`');
+ $this->setUser($user);
+ $this->setSessionAttributes($text_response);
+ } else {
+ phpCAS::trace('no <NameIdentifier> tag found in SAML payload');
+ $this->authError('SA not validated',
+ $validate_url,
+ FALSE/*$no_response*/,
+ TRUE/*$bad_response*/,
+ $text_response);
+ }
+ break;
+ }
+
+ // at this step, ST has been validated and $this->_user has been set,
+ phpCAS::traceEnd(TRUE);
+ return TRUE;
+ }
+
+ /**
+ * This method will parse the DOM and pull out the attributes from the SAML
+ * payload and put them into an array, then put the array into the session.
+ *
+ * @param $text_response the SAML payload.
+ * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().
+ *
+ * @private
+ */
+ function setSessionAttributes($text_response)
+ {
+ phpCAS::traceBegin();
+
+ $result = FALSE;
+
+ if (isset($_SESSION[SAML_ATTRIBUTES])) {
+ phpCAS::trace("session attrs already set."); //testbml - do we care?
+ }
+
+ $attr_array = array();
+
+ if (($dom = domxml_open_mem($text_response))) {
+ $xPath = $dom->xpath_new_context();
+ $xPath->xpath_register_ns('samlp', 'urn:oasis:names:tc:SAML:1.0:protocol');
+ $xPath->xpath_register_ns('saml', 'urn:oasis:names:tc:SAML:1.0:assertion');
+ $nodelist = $xPath->xpath_eval("//saml:Attribute");
+ $attrs = $nodelist->nodeset;
+ phpCAS::trace($text_response);
+ foreach($attrs as $attr){
+ $xres = $xPath->xpath_eval("saml:AttributeValue", $attr);
+ $name = $attr->get_attribute("AttributeName");
+ $value_array = array();
+ foreach($xres->nodeset as $node){
+ $value_array[] = $node->get_content();
+
+ }
+ phpCAS::trace("* " . $name . "=" . $value_array);
+ $attr_array[$name] = $value_array;
+ }
+ $_SESSION[SAML_ATTRIBUTES] = $attr_array;
+ // UGent addition...
+ foreach($attr_array as $attr_key => $attr_value) {
+ if(count($attr_value) > 1) {
+ $this->_attributes[$attr_key] = $attr_value;
+ }
+ else {
+ $this->_attributes[$attr_key] = $attr_value[0];
+ }
+ }
+ $result = TRUE;
+ }
+ phpCAS::traceEnd($result);
+ return $result;
+ }
/** @} */
@@ -1495,6 +1795,7 @@ class CASClient
$this->storePGT($pgt,$pgt_iou);
$this->printHTMLFooter();
phpCAS::traceExit();
+ exit();
}
/** @} */
@@ -1585,7 +1886,7 @@ class CASClient
}
// create the storage object
- $this->_pgt_storage = &new PGTStorageFile($this,$format,$path);
+ $this->_pgt_storage = new PGTStorageFile($this,$format,$path);
}
/**
@@ -1622,7 +1923,7 @@ class CASClient
trigger_error('PGT storage into database is an experimental feature, use at your own risk',E_USER_WARNING);
// create the storage object
- $this->_pgt_storage = & new PGTStorageDB($this,$user,$password,$database_type,$hostname,$port,$database,$table);
+ $this->_pgt_storage = new PGTStorageDB($this,$user,$password,$database_type,$hostname,$port,$database,$table);
}
// ########################################################################
@@ -1643,7 +1944,8 @@ class CASClient
*/
function validatePGT(&$validate_url,$text_response,$tree_response)
{
- phpCAS::traceBegin();
+ // here cannot use phpCAS::traceBegin(); alongside domxml-php4-to-php5.php
+ phpCAS::log('start validatePGT()');
if ( sizeof($arr = $tree_response->get_elements_by_tagname("proxyGrantingTicket")) == 0) {
phpCAS::trace('<proxyGrantingTicket> not found');
// authentication succeded, but no PGT Iou was transmitted
@@ -1666,7 +1968,8 @@ class CASClient
}
$this->setPGT($pgt);
}
- phpCAS::traceEnd(TRUE);
+ // here, cannot use phpCAS::traceEnd(TRUE); alongside domxml-php4-to-php5.php
+ phpCAS::log('end validatePGT()');
return TRUE;
}
@@ -1819,7 +2122,15 @@ class CASClient
if ($this->_cas_server_cert == '' && $this->_cas_server_ca_cert == '' && !$this->_no_cas_server_validation) {
phpCAS::error('one of the methods phpCAS::setCasServerCert(), phpCAS::setCasServerCACert() or phpCAS::setNoCasServerValidation() must be called.');
}
- if ($this->_cas_server_cert != '' ) {
+ if ($this->_cas_server_cert != '' && $this->_cas_server_ca_cert != '') {
+ // This branch added by IDMS. Seems phpCAS implementor got a bit confused about the curl options CURLOPT_SSLCERT and CURLOPT_CAINFO
+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+ curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
+ curl_setopt($ch, CURLOPT_SSLCERT, $this->_cas_server_cert);
+ curl_setopt($ch, CURLOPT_CAINFO, $this->_cas_server_ca_cert);
+ curl_setopt($ch, CURLOPT_VERBOSE, '1');
+ phpCAS::trace('CURL: Set all required opts for mutual authentication ------');
+ } else if ($this->_cas_server_cert != '' ) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSLCERT, $this->_cas_server_cert);
} else if ($this->_cas_server_ca_cert != '') {
@@ -1839,11 +2150,28 @@ class CASClient
if ( is_array($cookies) ) {
curl_setopt($ch,CURLOPT_COOKIE,implode(';',$cookies));
}
+ // add extra stuff if SAML
+ if ($this->hasSA()) {
+ $more_headers = array ("soapaction: http://www.oasis-open.org/committees/security",
+ "cache-control: no-cache",
+ "pragma: no-cache",
+ "accept: text/xml",
+ "connection: keep-alive",
+ "content-type: text/xml");
+
+ curl_setopt($ch, CURLOPT_HTTPHEADER, $more_headers);
+ curl_setopt($ch, CURLOPT_POST, 1);
+ $data = $this->buildSAMLPayload();
+ //phpCAS::trace('SAML Payload: '.print_r($data, TRUE));
+ curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
+ }
// perform the query
$buf = curl_exec ($ch);
+ //phpCAS::trace('CURL: Call completed. Response body is: \''.$buf.'\'');
if ( $buf === FALSE ) {
phpCAS::trace('curl_exec() failed');
$err_msg = 'CURL error #'.curl_errno($ch).': '.curl_error($ch);
+ //phpCAS::trace('curl error: '.$err_msg);
// close the CURL session
curl_close ($ch);
$res = FALSE;
@@ -1858,7 +2186,28 @@ class CASClient
phpCAS::traceEnd($res);
return $res;
}
-
+
+ /**
+ * This method is used to build the SAML POST body sent to /samlValidate URL.
+ *
+ * @return the SOAP-encased SAMLP artifact (the ticket).
+ *
+ * @private
+ */
+ function buildSAMLPayload()
+ {
+ phpCAS::traceBegin();
+
+ //get the ticket
+ $sa = $this->getSA();
+ //phpCAS::trace("SA: ".$sa);
+
+ $body=SAML_SOAP_ENV.SAML_SOAP_BODY.SAMLP_REQUEST.SAML_ASSERTION_ARTIFACT.$sa.SAML_ASSERTION_ARTIFACT_CLOSE.SAMLP_REQUEST_CLOSE.SAML_SOAP_BODY_CLOSE.SAML_SOAP_ENV_CLOSE;
+
+ phpCAS::traceEnd($body);
+ return ($body);
+ }
+
/**
* This method is the callback used by readURL method to request HTTP headers.
*/
@@ -1951,6 +2300,7 @@ class CASClient
*
* @param $url a string giving the URL of the service, including the mailing box
* for IMAP URLs, as accepted by imap_open().
+ * @param $service a string giving for CAS retrieve Proxy ticket
* @param $flags options given to imap_open().
* @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on
* success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,
@@ -1964,11 +2314,11 @@ class CASClient
*
* @public
*/
- function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt)
+ function serviceMail($url,$service,$flags,&$err_code,&$err_msg,&$pt)
{
phpCAS::traceBegin();
// at first retrieve a PT
- $pt = $this->retrievePT($target_service,$err_code,$output);
+ $pt = $this->retrievePT($service,$err_code,$output);
$stream = FALSE;
@@ -2049,7 +2399,30 @@ class CASClient
*/
function hasPT()
{ return !empty($this->_pt); }
-
+ /**
+ * This method returns the SAML Ticket provided in the URL of the request.
+ * @return The SAML ticket.
+ * @private
+ */
+ function getSA()
+ { return 'ST'.substr($this->_sa, 2); }
+
+ /**
+ * This method stores the SAML Ticket.
+ * @param $sa The SAML Ticket.
+ * @private
+ */
+ function setSA($sa)
+ { $this->_sa = $sa; }
+
+ /**
+ * This method tells if a SAML Ticket was stored.
+ * @return TRUE if a SAML Ticket has been stored.
+ * @private
+ */
+ function hasSA()
+ { return !empty($this->_sa); }
+
/** @} */
// ########################################################################
// PT VALIDATION
@@ -2213,8 +2586,13 @@ class CASClient
}
}
- $final_uri .= strtok($_SERVER['REQUEST_URI'],"?");
- $cgi_params = '?'.strtok("?");
+ $php_is_for_sissies = split("\?", $_SERVER['REQUEST_URI'], 2);
+ $final_uri .= $php_is_for_sissies[0];
+ if(sizeof($php_is_for_sissies) > 1){
+ $cgi_params = '?' . $php_is_for_sissies[1];
+ } else {
+ $cgi_params = '?';
+ }
// remove the ticket if present in the CGI parameters
$cgi_params = preg_replace('/&ticket=[^&]*/','',$cgi_params);
$cgi_params = preg_replace('/\?ticket=[^&;]*/','?',$cgi_params);
@@ -2294,4 +2672,4 @@ class CASClient
/** @} */
}
-?> \ No newline at end of file
+?>