727 lines
22 KiB
PHP
727 lines
22 KiB
PHP
<?php
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/**
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* Classes and functions for communication of Data Stores
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*
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* @author The phpLDAPadmin development team
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* @package phpLDAPadmin
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*/
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/**
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* This abstract class provides the basic variables and methods.
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*
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* @package phpLDAPadmin
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* @subpackage DataStore
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*/
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abstract class DS {
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# ID of this db.
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protected $index;
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# Configuration paramters.
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protected $default;
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protected $custom;
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protected $type;
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abstract function __construct($index);
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/**
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* This will make the connection to the datasource
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*/
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abstract protected function connect($method,$debug=false);
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/**
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* Login to the datastore
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* method: default = anon, connect to ds using bind_id not auth_id.
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* method: 'user', connect with auth_id
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* method: '<freetext>', any custom extra connection to ds.
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*/
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abstract public function login($user=null,$pass=null,$method=null);
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/**
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* Query the datasource
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*/
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abstract public function query($query,$method,$index=null,$debug=false);
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/**
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* Return error details from previous operation
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*/
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abstract protected function getErrorMessage();
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abstract protected function getErrorNum();
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/**
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* Functions that set and verify object configuration details
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*/
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public function setDefaults($defaults) {
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foreach ($defaults as $key => $details)
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foreach ($details as $setting => $value)
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$this->default->{$key}[$setting] = $value;
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}
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public function isDefaultKey($key) {
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return isset($this->default->$key);
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}
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public function isDefaultSetting($key,$setting) {
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return array_key_exists($setting,$this->default->{$key});
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}
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/**
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* Return a configuration value
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*/
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public function getValue($key,$setting,$fatal=true) {
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if (defined('DEBUG_ENABLED') && DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,1,__FILE__,__LINE__,__METHOD__,$fargs);
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if (isset($this->custom->{$key}[$setting]))
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return $this->custom->{$key}[$setting];
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elseif (isset($this->default->{$key}[$setting]) && array_key_exists('default',$this->default->{$key}[$setting]))
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return $this->default->{$key}[$setting]['default'];
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elseif ($fatal)
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debug_dump_backtrace("Error trying to get a non-existant value ($key,$setting)",1);
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else
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return null;
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}
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/**
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* Set a configuration value
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*/
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public function setValue($key,$setting,$value) {
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if (isset($this->custom->{$key}[$setting]))
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system_message(array(
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'title'=>('Configuration setting already defined.'),
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'body'=>sprintf('A call has been made to reset a configuration value (%s,%s,%s)',
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$key,$setting,$value),
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'type'=>'info'));
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$this->custom->{$key}[$setting] = $value;
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}
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/**
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* Return the untested config items
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*/
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public function untested() {
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$result = array();
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foreach ($this->default as $option => $details)
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foreach ($details as $param => $values)
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if (isset($values['untested']) && $values['untested'])
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array_push($result,sprintf('%s.%s',$option,$param));
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return $result;
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}
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/**
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* Get the name of this datastore
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*/
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public function getName() {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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return $this->getValue('server','name');
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}
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/**
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* Functions that enable login and logout of the application
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*/
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/**
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* Return the authentication type for this object
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*/
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public function getAuthType() {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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switch ($this->getValue('login','auth_type')) {
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case 'cookie':
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case 'config':
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case 'http':
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case 'proxy':
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case 'session':
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case 'sasl':
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return $this->getValue('login','auth_type');
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default:
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die(sprintf('Error: <b>%s</b> hasnt been configured for auth_type <b>%s</b>',__METHOD__,
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$this->getValue('login','auth_type')));
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}
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}
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/**
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* Get the login name of the user logged into this datastore's connection method
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* If this returns null, we are not logged in.
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* If this returns '', we are logged in with anonymous
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*/
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public function getLogin($method=null) {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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$method = $this->getMethod($method);
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# For anonymous binds
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if ($method == 'anon')
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if (isset($_SESSION['USER'][$this->index][$method]['name']))
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return '';
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else
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return null;
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switch ($this->getAuthType()) {
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case 'cookie':
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if (! isset($_COOKIE[$method.'-USER']))
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# If our bind_id is set, we'll pass that back for logins.
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return (! is_null($this->getValue('login','bind_id')) && $method == 'login') ? $this->getValue('login','bind_id') : null;
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else
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return blowfish_decrypt($_COOKIE[$method.'-USER']);
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case 'config':
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if (! isset($_SESSION['USER'][$this->index][$method]['name']))
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return $this->getValue('login','bind_id');
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else
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return blowfish_decrypt($_SESSION['USER'][$this->index][$method]['name']);
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case 'proxy':
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if (! isset($_SESSION['USER'][$this->index][$method]['proxy']))
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return $this->getValue('login','bind_id');
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else
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return blowfish_decrypt($_SESSION['USER'][$this->index][$method]['proxy']);
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case 'http':
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case 'session':
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case 'sasl':
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if (! isset($_SESSION['USER'][$this->index][$method]['name']))
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# If our bind_id is set, we'll pass that back for logins.
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return (! is_null($this->getValue('login','bind_id')) && $method == 'login') ? $this->getValue('login','bind_id') : null;
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else
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return blowfish_decrypt($_SESSION['USER'][$this->index][$method]['name']);
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default:
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die(sprintf('Error: %s hasnt been configured for auth_type %s',__METHOD__,$this->getAuthType()));
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}
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}
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/**
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* Set the login details of the user logged into this datastore's connection method
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*/
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protected function setLogin($user,$pass,$method=null) {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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$method = $this->getMethod($method);
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switch ($this->getAuthType()) {
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case 'cookie':
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set_cookie($method.'-USER',blowfish_encrypt($user),NULL,'/');
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set_cookie($method.'-PASS',blowfish_encrypt($pass),NULL,'/');
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return true;
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case 'config':
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return true;
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case 'proxy':
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if (isset($_SESSION['USER'][$this->index][$method]['proxy']))
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unset($_SESSION['USER'][$this->index][$method]['proxy']);
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case 'http':
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case 'session':
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case 'sasl':
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$_SESSION['USER'][$this->index][$method]['name'] = blowfish_encrypt($user);
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$_SESSION['USER'][$this->index][$method]['pass'] = blowfish_encrypt($pass);
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return true;
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default:
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die(sprintf('Error: %s hasnt been configured for auth_type %s',__METHOD__,$this->getAuthType()));
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}
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}
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/**
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* Get the login password of the user logged into this datastore's connection method
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*/
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protected function getPassword($method=null) {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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$method = $this->getMethod($method);
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# For anonymous binds
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if ($method == 'anon')
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if (isset($_SESSION['USER'][$this->index][$method]['name']))
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return '';
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else
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return null;
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switch ($this->getAuthType()) {
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case 'cookie':
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if (! isset($_COOKIE[$method.'-PASS']))
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# If our bind_id is set, we'll pass that back for logins.
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return (! is_null($this->getValue('login','bind_pass')) && $method == 'login') ? $this->getValue('login','bind_pass') : null;
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else
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return blowfish_decrypt($_COOKIE[$method.'-PASS']);
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case 'config':
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case 'proxy':
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if (! isset($_SESSION['USER'][$this->index][$method]['pass']))
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return $this->getValue('login','bind_pass');
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else
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return blowfish_decrypt($_SESSION['USER'][$this->index][$method]['pass']);
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case 'http':
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case 'session':
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case 'sasl':
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if (! isset($_SESSION['USER'][$this->index][$method]['pass']))
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# If our bind_pass is set, we'll pass that back for logins.
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return (! is_null($this->getValue('login','bind_pass')) && $method == 'login') ? $this->getValue('login','bind_pass') : null;
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else
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return blowfish_decrypt($_SESSION['USER'][$this->index][$method]['pass']);
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default:
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die(sprintf('Error: %s hasnt been configured for auth_type %s',__METHOD__,$this->getAuthType()));
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}
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}
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/**
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* Return if this datastore's connection method has been logged into
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*/
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public function isLoggedIn($method=null) {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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static $CACHE = array();
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$method = $this->getMethod($method);
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if (isset($CACHE[$this->index][$method]) && ! is_null($CACHE[$this->index][$method]))
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return $CACHE[$this->index][$method];
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$CACHE[$this->index][$method] = null;
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# For some authentication types, we need to do the login here
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switch ($this->getAuthType()) {
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case 'config':
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if (! $CACHE[$this->index][$method] = $this->login($this->getLogin($method),$this->getPassword($method),$method))
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system_message(array(
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'title'=>('Unable to login.'),
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'body'=>('Your configuration file has authentication set to CONFIG based authentication, however, the userid/password failed to login'),
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'type'=>'error'));
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break;
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case 'http':
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# If our auth vars are not set, throw up a login box.
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if (! isset($_SERVER['PHP_AUTH_USER'])) {
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# If this server is not in focus, skip the basic auth prompt.
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if (get_request('server_id','REQUEST') != $this->getIndex()) {
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$CACHE[$this->index][$method] = false;
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break;
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}
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header(sprintf('WWW-Authenticate: Basic realm="%s %s"',app_name(),_('login')));
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if ($_SERVER['SERVER_PROTOCOL'] == 'HTTP/1.0')
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header('HTTP/1.0 401 Unauthorized'); // http 1.0 method
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else
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header('Status: 401 Unauthorized'); // http 1.1 method
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# If we still dont have login details...
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if (! isset($_SERVER['PHP_AUTH_USER'])) {
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system_message(array(
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'title'=>('Unable to login.'),
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'body'=>('Your configuration file has authentication set to HTTP based authentication, however, there was none presented'),
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'type'=>'error'));
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$CACHE[$this->index][$method] = false;
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}
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# Check our auth vars are valid.
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} else {
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if (! $this->login($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW'],$method)) {
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system_message(array(
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'title'=>('Unable to login.'),
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'body'=>('Your HTTP based authentication is not accepted by the LDAP server'),
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'type'=>'error'));
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$CACHE[$this->index][$method] = false;
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} else
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$CACHE[$this->index][$method] = true;
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}
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break;
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case 'proxy':
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$CACHE[$this->index][$method] = $this->login($this->getValue('login','bind_id'),$this->getValue('login','bind_pass'),$method);
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break;
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case 'sasl':
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# Propogate any given Kerberos credential cache location
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if (isset($_ENV['REDIRECT_KRB5CCNAME']))
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putenv(sprintf('KRB5CCNAME=%s',$_ENV['REDIRECT_KRB5CCNAME']));
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elseif (isset($_SERVER['KRB5CCNAME']))
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putenv(sprintf('KRB5CCNAME=%s',$_SERVER['KRB5CCNAME']));
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# Map the SASL auth ID to a DN
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$regex = $this->getValue('login', 'sasl_dn_regex');
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$replacement = $this->getValue('login', 'sasl_dn_replacement');
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if ($regex && $replacement) {
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$userDN = preg_replace($regex, $replacement, $_SERVER['REMOTE_USER']);
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$CACHE[$this->index][$method] = $this->login($userDN, '', $method);
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}
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# Otherwise, use the user name as is
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else {
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$CACHE[$this->index][$method] = $this->login($_SERVER['REMOTE_USER'], '', $method);
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}
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break;
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default:
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$CACHE[$this->index][$method] = is_null($this->getLogin($method)) ? false : true;
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}
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return $CACHE[$this->index][$method];
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}
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/**
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* Logout of this datastore's connection method
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*/
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public function logout($method=null) {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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$method = $this->getMethod($method);
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unset ($_SESSION['cache'][$this->index]);
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switch ($this->getAuthType()) {
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case 'cookie':
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set_cookie($method.'-USER','',time()-3600,'/');
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set_cookie($method.'-PASS','',time()-3600,'/');
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case 'config':
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return true;
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case 'http':
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case 'proxy':
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case 'session':
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case 'sasl':
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if (isset($_SESSION['USER'][$this->index][$method]))
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unset($_SESSION['USER'][$this->index][$method]);
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return true;
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default:
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die(sprintf('Error: %s hasnt been configured for auth_type %s',__METHOD__,$this->getAuthType()));
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}
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}
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/**
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* Functions that return the condition of the datasource
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*/
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public function isVisible() {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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return $this->getValue('server','visible');
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}
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public function isReadOnly() {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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if (! trim($this->getLogin(null)) && $_SESSION[APPCONFIG]->getValue('appearance','anonymous_bind_implies_read_only'))
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return true;
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else
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return $this->getValue('server','read_only');
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}
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public function getIndex() {
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if (defined('DEBUG_ENABLED') && DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,1,__FILE__,__LINE__,__METHOD__,$fargs,$this->index);
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return $this->index;
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}
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/**
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* Work out which connection method to use.
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* If a method is passed, then it will be passed back. If no method is passed, then we'll
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* check to see if the user is logged in. If they are, then 'user' is used, otherwise
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* 'anon' is used.
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*
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* @param int Server ID
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* @return string Connection Method
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*/
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protected function getMethod($method=null) {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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static $CACHE = array();
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# Immediately return if method is set.
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if (! is_null($method))
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return $method;
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# If we have been here already, then return our result
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if (isset($CACHE[$this->index]) && ! is_null($CACHE))
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return $CACHE[$this->index];
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$CACHE[$this->index] = 'anon';
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if ($this->isLoggedIn('user'))
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$CACHE[$this->index] = 'user';
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return $CACHE[$this->index];
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}
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/**
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* This method should be overridden in application specific ds files
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*/
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public function isSessionValid() {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,1,__FILE__,__LINE__,__METHOD__,$fargs,true);
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return true;
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}
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/**
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* Return the time left in seconds until this connection times out. If there is not timeout,
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* this function will return null.
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*/
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public function inactivityTime() {
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if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
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if ($this->isLoggedIn() && ! in_array($this->getAuthType(),array('config','http')))
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return time()+($this->getValue('login','timeout')*60);
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else
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return null;
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}
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}
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/**
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* The list of database sources
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*
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* @package phpLDAPadmin
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* @subpackage DataStore
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*/
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class Datastore {
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# Out DS index id
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private $index;
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# List of all the objects
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private $objects = array();
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# Default settings
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private $default;
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public function __construct() {
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$this->default = new StdClass;
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|
|
$this->default->server['id'] = array(
|
|
'desc'=>'Server ID',
|
|
'default'=>null);
|
|
|
|
$this->default->server['name'] = array(
|
|
'desc'=>'Server name',
|
|
'default'=>null);
|
|
|
|
# Connectivity Info
|
|
$this->default->server['host'] = array(
|
|
'desc'=>'Host Name',
|
|
'default'=>'127.0.0.1');
|
|
|
|
$this->default->server['port'] = array(
|
|
'desc'=>'Port Number',
|
|
'default'=>null);
|
|
|
|
# Read or write only access
|
|
$this->default->server['read_only'] = array(
|
|
'desc'=>'Server is in READ ONLY mode',
|
|
'default'=>false);
|
|
|
|
$this->default->server['visible'] = array(
|
|
'desc'=>'Whether this server is visible',
|
|
'default'=>true);
|
|
|
|
# Authentication Information
|
|
$this->default->login['auth_type'] = array(
|
|
'desc'=>'Authentication Type',
|
|
'default'=>'session');
|
|
|
|
/*
|
|
/* ID to login to this application, this assumes that there is
|
|
* application authentication on top of authentication required to
|
|
* access the data source **
|
|
$this->default->login['auth_id'] = array(
|
|
'desc'=>'User Login ID to login to this DS',
|
|
'untested'=>true,
|
|
'default'=>null);
|
|
|
|
$this->default->login['auth_pass'] = array(
|
|
'desc'=>'User Login Password to login to this DS',
|
|
'untested'=>true,
|
|
'default'=>null);
|
|
*/
|
|
|
|
$this->default->login['auth_text'] = array(
|
|
'desc'=>'Text to show at the login prompt',
|
|
'default'=>null);
|
|
|
|
$this->default->login['bind_id'] = array(
|
|
'desc'=>'User Login ID to bind to this DS',
|
|
'default'=>null);
|
|
|
|
$this->default->login['bind_pass'] = array(
|
|
'desc'=>'User Login Password to bind to this DS',
|
|
'default'=>null);
|
|
|
|
$this->default->login['timeout'] = array(
|
|
'desc'=>'Session timout in seconds',
|
|
'default'=>session_cache_expire()-1);
|
|
|
|
$this->default->login['sasl_dn_regex'] = array(
|
|
'desc'=>'SASL authorization id to user dn PCRE regular expression',
|
|
'untested'=>true,
|
|
'default'=>null);
|
|
|
|
$this->default->login['sasl_dn_replacement'] = array(
|
|
'desc'=>'SASL authorization id to user dn PCRE regular expression replacement string',
|
|
'untested'=>true,
|
|
'default'=>null);
|
|
|
|
# Prefix for custom pages
|
|
$this->default->custom['pages_prefix'] = array(
|
|
'desc'=>'Prefix name for custom pages',
|
|
'default'=>'custom_');
|
|
}
|
|
|
|
/**
|
|
* Create a new database object
|
|
*/
|
|
public function newServer($type) {
|
|
if (class_exists($type)) {
|
|
$this->index = count($this->objects)+1;
|
|
$this->objects[$this->index] = new $type($this->index);
|
|
$this->objects[$this->index]->setDefaults($this->default);
|
|
return $this->index;
|
|
|
|
} else {
|
|
printf('ERROR: Class [%s] doesnt exist',$type);
|
|
die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set values for a database object.
|
|
*/
|
|
public function setValue($key,$setting,$value) {
|
|
if (! $this->objects[$this->index]->isDefaultKey($key))
|
|
error("ERROR: Setting a key [$key] that isnt predefined.",'error',true);
|
|
|
|
if (! $this->objects[$this->index]->isDefaultSetting($key,$setting))
|
|
error("ERROR: Setting a index [$key,$setting] that isnt predefined.",'error',true);
|
|
|
|
# Test if its should be an array or not.
|
|
if (is_array($this->objects[$this->index]->getValue($key,$setting)) && ! is_array($value))
|
|
error("Error in configuration file, {$key}['$setting'] SHOULD be an array of values.",'error',true);
|
|
|
|
if (! is_array($this->objects[$this->index]->getValue($key,$setting)) && is_array($value))
|
|
error("Error in configuration file, {$key}['$setting'] should NOT be an array of values.",'error',true);
|
|
|
|
# Store the value in the object.
|
|
$this->objects[$this->index]->setValue($key,$setting,$value);
|
|
}
|
|
|
|
/**
|
|
* Get a list of all the configured servers.
|
|
*
|
|
* @param boolean Only show visible servers.
|
|
* @return array list of all configured servers.
|
|
*/
|
|
public function getServerList($isVisible=true) {
|
|
if (defined('DEBUG_ENABLED') && DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
|
|
debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
|
|
|
|
static $CACHE;
|
|
|
|
if (isset($CACHE[$isVisible]))
|
|
return $CACHE[$isVisible];
|
|
|
|
$CACHE[$isVisible] = array();
|
|
|
|
# Debugging incase objects is not set.
|
|
if (! $this->objects) {
|
|
print "<PRE>";
|
|
debug_print_backtrace();
|
|
die();
|
|
}
|
|
|
|
foreach ($this->objects as $id => $server)
|
|
if (! $isVisible || ($isVisible && $server->getValue('server','visible')))
|
|
$CACHE[$isVisible][$id] = $server;
|
|
|
|
masort($CACHE[$isVisible],'name');
|
|
|
|
return $CACHE[$isVisible];
|
|
}
|
|
|
|
/**
|
|
* Return an object Instance of a configured database.
|
|
*
|
|
* @param int Index
|
|
* @return object Datastore instance object.
|
|
*/
|
|
public function Instance($index=null) {
|
|
if (defined('DEBUG_ENABLED') && DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
|
|
debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
|
|
|
|
# If no index defined, then pick the lowest one.
|
|
if (is_null($index) || ! trim($index) || ! is_numeric($index))
|
|
$index = min($this->GetServerList())->getIndex();
|
|
|
|
if (! isset($this->objects[$index]))
|
|
debug_dump_backtrace(sprintf('Error: Datastore instance [%s] doesnt exist?',htmlspecialchars($index)),1);
|
|
|
|
if (defined('DEBUG_ENABLED') && DEBUG_ENABLED)
|
|
debug_log('Returning instance of database (%s)',3,0,__FILE__,__LINE__,__METHOD__,$index);
|
|
|
|
return $this->objects[$index];
|
|
}
|
|
|
|
/**
|
|
* Return an object Instance of a configured database.
|
|
*
|
|
* @param string Name of the instance to retrieve
|
|
* @return object Datastore instance object.
|
|
*/
|
|
public function InstanceName($name=null) {
|
|
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
|
|
debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
|
|
|
|
foreach ($this->getServerList(false) as $index)
|
|
if ($this->objects[$index]->getName() == $name)
|
|
return $this->objects[$index];
|
|
|
|
# If we get here, then no object with the name exists.
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Return an object Instance of a configured database.
|
|
*
|
|
* @param string ID of the instance to retrieve
|
|
* @return object Datastore instance object.
|
|
*/
|
|
public function InstanceId($id=null) {
|
|
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
|
|
debug_log('Entered (%%)',17,0,__FILE__,__LINE__,__METHOD__,$fargs);
|
|
|
|
foreach ($this->getServerList(false) as $index)
|
|
if ($this->objects[$index->getIndex()]->getValue('server','id') == $id)
|
|
return $this->objects[$index->getIndex()];
|
|
|
|
# If we get here, then no object with the name exists.
|
|
return null;
|
|
}
|
|
}
|
|
?>
|