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Diffstat (limited to 'app/Core/Ldap/Client.php')
-rw-r--r--app/Core/Ldap/Client.php51
1 files changed, 41 insertions, 10 deletions
diff --git a/app/Core/Ldap/Client.php b/app/Core/Ldap/Client.php
index 867d67fe..7df744aa 100644
--- a/app/Core/Ldap/Client.php
+++ b/app/Core/Ldap/Client.php
@@ -69,12 +69,14 @@ class Client
* Establish server connection
*
* @access public
- * @throws ClientException
- * @param string $server LDAP server hostname or IP
- * @param integer $port LDAP port
- * @param boolean $tls Start TLS
- * @param boolean $verify Skip SSL certificate verification
+ *
+ * @param string $server LDAP server hostname or IP
+ * @param int $port LDAP port
+ * @param bool $tls Start TLS
+ * @param bool $verify Skip SSL certificate verification
* @return Client
+ * @throws ClientException
+ * @throws ConnectionException
*/
public function open($server, $port = LDAP_PORT, $tls = LDAP_START_TLS, $verify = LDAP_SSL_VERIFY)
{
@@ -86,10 +88,10 @@ class Client
putenv('LDAPTLS_REQCERT=never');
}
- $this->ldap = ldap_connect($server, $port);
+ $this->ldap = @ldap_connect($server, $port);
if ($this->ldap === false) {
- throw new ClientException('LDAP: Unable to connect to the LDAP server');
+ throw new ConnectionException('Malformed LDAP server hostname or LDAP server port');
}
ldap_set_option($this->ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
@@ -98,7 +100,7 @@ class Client
ldap_set_option($this->ldap, LDAP_OPT_TIMELIMIT, 1);
if ($tls && ! @ldap_start_tls($this->ldap)) {
- throw new ClientException('LDAP: Unable to start TLS');
+ throw new ConnectionException('Unable to start LDAP TLS (' . $this->getLdapError() . ')');
}
return $this;
@@ -114,7 +116,8 @@ class Client
public function useAnonymousAuthentication()
{
if (! @ldap_bind($this->ldap)) {
- throw new ClientException('Unable to perform anonymous binding');
+ $this->checkForServerConnectionError();
+ throw new ClientException('Unable to perform anonymous binding => '.$this->getLdapError());
}
return true;
@@ -132,7 +135,8 @@ class Client
public function authenticate($bind_rdn, $bind_password)
{
if (! @ldap_bind($this->ldap, $bind_rdn, $bind_password)) {
- throw new ClientException('LDAP authentication failure for "'.$bind_rdn.'"');
+ $this->checkForServerConnectionError();
+ throw new ClientException('LDAP authentication failure for "'.$bind_rdn.'" => '.$this->getLdapError());
}
return true;
@@ -209,4 +213,31 @@ class Client
{
return $this->logger !== null;
}
+
+ /**
+ * Raise ConnectionException if the application is not able to connect to LDAP server
+ *
+ * @access protected
+ * @throws ConnectionException
+ */
+ protected function checkForServerConnectionError()
+ {
+ if (ldap_errno($this->ldap) === -1) {
+ throw new ConnectionException('Unable to connect to LDAP server (' . $this->getLdapError() . ')');
+ }
+ }
+
+ /**
+ * Get extended LDAP error message
+ *
+ * @return string
+ */
+ protected function getLdapError()
+ {
+ ldap_get_option($this->ldap, LDAP_OPT_ERROR_STRING, $extendedErrorMessage);
+ $errorMessage = ldap_error($this->ldap);
+ $errorCode = ldap_errno($this->ldap);
+
+ return 'Code="'.$errorCode.'"; Error="'.$errorMessage.'"; ExtendedError="'.$extendedErrorMessage.'"';
+ }
}