diff options
Diffstat (limited to 'plugins/Ldap')
| -rw-r--r-- | plugins/Ldap/LdapPlugin.php | 125 | ||||
| -rw-r--r-- | plugins/Ldap/README | 55 | ||||
| -rw-r--r-- | plugins/Ldap/ldap.php | 108 |
3 files changed, 143 insertions, 145 deletions
diff --git a/plugins/Ldap/LdapPlugin.php b/plugins/Ldap/LdapPlugin.php index 3795ffd7f..88ca92b37 100644 --- a/plugins/Ldap/LdapPlugin.php +++ b/plugins/Ldap/LdapPlugin.php @@ -31,38 +31,53 @@ if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } -require_once INSTALLDIR.'/plugins/Ldap/ldap.php'; +require_once INSTALLDIR.'/plugins/Auth/AuthPlugin.php'; +require_once 'Net/LDAP2.php'; -class LdapPlugin extends Plugin +class LdapPlugin extends AuthPlugin { - private $config = array(); + public $host=null; + public $port=null; + public $version=null; + public $starttls=null; + public $binddn=null; + public $bindpw=null; + public $basedn=null; + public $options=null; + public $filter=null; + public $scope=null; + public $attributes=array(); function __construct() { parent::__construct(); } + + //---interface implementation---// - function onCheckPassword($nickname, $password, &$authenticated) + function checkPassword($nickname, $password) { - if(ldap_check_password($nickname, $password)){ - $authenticated = true; - //stop handling of other events, because we have an answer + $ldap = $this->ldap_get_connection(); + if(!$ldap){ return false; } - if(common_config('ldap','authoritative')){ - //a false return stops handler processing + $entry = $this->ldap_get_user($nickname); + if(!$entry){ return false; + }else{ + $config = $this->ldap_get_config(); + $config['binddn']=$entry->dn(); + $config['bindpw']=$password; + if($this->ldap_get_connection($config)){ + return true; + }else{ + return false; + } } } - function onAutoRegister($nickname) + function autoRegister($nickname) { - $user = User::staticGet('nickname', $nickname); - if (! is_null($user) && $user !== false) { - common_log(LOG_WARNING, "An attempt was made to autoregister an existing user with nickname: $nickname"); - return; - } - $attributes=array(); $config_attributes = array('nickname','email','fullname','homepage','location'); foreach($config_attributes as $config_attribute){ @@ -71,7 +86,7 @@ class LdapPlugin extends Plugin array_push($attributes,$value); } } - $entry = ldap_get_user($nickname,$attributes); + $entry = $this->ldap_get_user($nickname,$attributes); if($entry){ $registration_data = array(); foreach($config_attributes as $config_attribute){ @@ -89,21 +104,22 @@ class LdapPlugin extends Plugin //set the database saved password to a random string. $registration_data['password']=common_good_rand(16); $user = User::register($registration_data); - //prevent other handlers from running, as we have registered the user - return false; + return true; + }else{ + //user isn't in ldap, so we cannot register him + return null; } } - function onChangePassword($nickname,$oldpassword,$newpassword,&$errormsg) + function changePassword($nickname,$oldpassword,$newpassword) { //TODO implement this - $errormsg = _('Sorry, changing LDAP passwords is not supported at this time'); + throw new Exception(_('Sorry, changing LDAP passwords is not supported at this time')); - //return false, indicating that the event has been handled return false; } - function onCanUserChangeField($nickname, $field) + function canUserChangeField($nickname, $field) { switch($field) { @@ -113,4 +129,67 @@ class LdapPlugin extends Plugin return false; } } + + //---utility functions---// + function ldap_get_config(){ + $config = array(); + $keys = array('host','port','version','starttls','binddn','bindpw','basedn','options','filter','scope'); + foreach($keys as $key){ + $value = $this->$key; + if($value!==null){ + $config[$key]=$value; + } + } + return $config; + } + + function ldap_get_connection($config = null){ + if($config == null){ + $config = $this->ldap_get_config(); + } + + //cannot use Net_LDAP2::connect() as StatusNet uses + //PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError'); + //PEAR handling can be overridden on instance objects, so we do that. + $ldap = new Net_LDAP2($config); + $ldap->setErrorHandling(PEAR_ERROR_RETURN); + $err=$ldap->bind(); + if (Net_LDAP2::isError($err)) { + common_log(LOG_WARNING, 'Could not connect to LDAP server: '.$err->getMessage()); + return false; + } + return $ldap; + } + + /** + * get an LDAP entry for a user with a given username + * + * @param string $username + * $param array $attributes LDAP attributes to retrieve + * @return string DN + */ + function ldap_get_user($username,$attributes=array()){ + $ldap = $this->ldap_get_connection(); + $filter = Net_LDAP2_Filter::create(common_config('ldap','nickname_attribute'), 'equals', $username); + $options = array( + 'scope' => 'sub', + 'attributes' => $attributes + ); + $search = $ldap->search(null,$filter,$options); + + if (PEAR::isError($search)) { + common_log(LOG_WARNING, 'Error while getting DN for user: '.$search->getMessage()); + return false; + } + + if($search->count()==0){ + return false; + }else if($search->count()==1){ + $entry = $search->shiftEntry(); + return $entry; + }else{ + common_log(LOG_WARNING, 'Found ' . $search->count() . ' ldap user with the username: ' . $username); + return false; + } + } } diff --git a/plugins/Ldap/README b/plugins/Ldap/README index 617738e0b..063286cef 100644 --- a/plugins/Ldap/README +++ b/plugins/Ldap/README @@ -2,22 +2,49 @@ The LDAP plugin allows for StatusNet to handle authentication, authorization, an Installation ============ -Add configuration entries to config.php. These entries are: +add "addPlugin('ldap', array('setting'=>'value', 'setting2'=>'value2', ...);" to the bottom of your config.php -The following are documented at http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php -$config['ldap']['binddn'] -$config['ldap']['bindpw'] -$config['ldap']['basedn'] -$config['ldap']['host'] +Settings +======== +authn_authoritative (false): Set to true if LDAP's responses are authoritative (meaning if LDAP fails, do check the any other plugins or the internal password database). +autoregistration (false): Set to true if users should be automatically created when they attempt to login. +email_changeable (true): Are users allowed to change their email address? (true or false) +password_changeable (true): Are users allowed to change their passwords? (true or false) -$config['ldap']['nickname_attribute'] Set this to the name of the ldap attribute that holds the username. For example, on Microsoft's Active Directory, this should be set to 'sAMAccountName' -$config['ldap']['nickname_email'] Set this to the name of the ldap attribute that holds the user's email address. For example, on Microsoft's Active Directory, this should be set to 'mail' -$config['ldap']['nickname_fullname'] Set this to the name of the ldap attribute that holds the user's full name. For example, on Microsoft's Active Directory, this should be set to 'displayName' -$config['ldap']['nickname_homepage'] Set this to the name of the ldap attribute that holds the the url of the user's home page. -$config['ldap']['nickname_location'] Set this to the name of the ldap attribute that holds the user's location. +host*: LDAP server name to connect to. You can provide several hosts in an array in which case the hosts are tried from left to right.. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +port: Port on the server. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +version: LDAP version. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +starttls: TLS is started after connecting. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +binddn: The distinguished name to bind as (username). See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +bindpw: Password for the binddn. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +basedn*: LDAP base name (root directory). See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +options: See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +filter: Default search filter. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php +scope: Default search scope. See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php -$config['ldap']['authoritative'] Set to true if LDAP's responses are authoritative (meaning if LDAP fails, do check the any other plugins or the internal password database) -$config['ldap']['autoregister'] Set to true if users should be automatically created when they attempt to login +attributes: an array with the key being the StatusNet user attribute name, and the value the LDAP attribute name + nickname* + email + fullname + homepage + location + +* required +default values are in (parenthesis) -Finally, add "addPlugin('ldap');" to the bottom of your config.php +Example +======= +Here's an example of an LDAP plugin configuration that connects to Microsoft Active Directory. +addPlugin('ldap', array( + 'authn_authoritative'=>true, + 'autoregistration'=>true, + 'binddn'=>'username', + 'bindpw'=>'password', + 'basedn'=>'OU=Users,OU=StatusNet,OU=US,DC=americas,DC=global,DC=loc', + 'host'=>array('server1', 'server2'), + 'attributes'=>array( + 'nickname'=>'sAMAccountName', + 'email'=>'mail', + 'fullname'=>'displayName') +)); diff --git a/plugins/Ldap/ldap.php b/plugins/Ldap/ldap.php deleted file mode 100644 index d92a058fb..000000000 --- a/plugins/Ldap/ldap.php +++ /dev/null @@ -1,108 +0,0 @@ -<?php -/* - * StatusNet - the distributed open-source microblogging tool - * Copyright (C) 2008, 2009, StatusNet, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } - -require_once 'Net/LDAP2.php'; - -function ldap_get_config(){ - static $config = null; - if($config == null){ - $config = array(); - $keys = array('host','port','version','starttls','binddn','bindpw','basedn','options','scope'); - foreach($keys as $key){ - $value = common_config('ldap', $key); - if($value!==false){ - $config[$key]=$value; - } - } - } - return $config; -} - -function ldap_get_connection($config = null){ - if($config == null){ - $config = ldap_get_config(); - } - - //cannot use Net_LDAP2::connect() as StatusNet uses - //PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError'); - //PEAR handling can be overridden on instance objects, so we do that. - $ldap = new Net_LDAP2($config); - $ldap->setErrorHandling(PEAR_ERROR_RETURN); - $err=$ldap->bind(); - if (Net_LDAP2::isError($err)) { - common_log(LOG_WARNING, 'Could not connect to LDAP server: '.$err->getMessage()); - return false; - } - return $ldap; -} - -function ldap_check_password($username, $password){ - $ldap = ldap_get_connection(); - if(!$ldap){ - return false; - } - $entry = ldap_get_user($username); - if(!$entry){ - return false; - }else{ - $config = ldap_get_config(); - $config['binddn']=$entry->dn(); - $config['bindpw']=$password; - if(ldap_get_connection($config)){ - return true; - }else{ - return false; - } - } -} - -/** - * get an LDAP entry for a user with a given username - * - * @param string $username - * $param array $attributes LDAP attributes to retrieve - * @return string DN - */ -function ldap_get_user($username,$attributes=array()){ - $ldap = ldap_get_connection(); - $filter = Net_LDAP2_Filter::create(common_config('ldap','nickname_attribute'), 'equals', $username); - $options = array( - 'scope' => 'sub', - 'attributes' => $attributes - ); - $search = $ldap->search(null,$filter,$options); - - if (PEAR::isError($search)) { - common_log(LOG_WARNING, 'Error while getting DN for user: '.$search->getMessage()); - return false; - } - - if($search->count()==0){ - return false; - }else if($search->count()==1){ - $entry = $search->shiftEntry(); - return $entry; - }else{ - common_log(LOG_WARNING, 'Found ' . $search->count() . ' ldap user with the username: ' . $username); - return false; - } -} - |