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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @package Piwik_UsersManager
*/
/**
*
* @package Piwik_UsersManager
*/
class Piwik_UsersManager_API extends Piwik_Apiable
{
static private $instance = null;
static public function getInstance()
{
if (self::$instance == null)
{
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
static public $methodsNotToPublish = array();
/**
* Returns the list of all the users
*
* @return array the list of all the users
*/
static public function getUsers()
{
Piwik::checkUserIsSuperUser();
$db = Zend_Registry::get('db');
$users = $db->fetchAll("SELECT * FROM ".Piwik::prefixTable("user")." ORDER BY login ASC");
return $users;
}
/**
* Returns the list of all the users login
*
* @return array the list of all the users login
*/
static public function getUsersLogin()
{
Piwik::checkUserHasSomeAdminAccess();
$db = Zend_Registry::get('db');
$users = $db->fetchAll("SELECT login FROM ".Piwik::prefixTable("user")." ORDER BY login ASC");
$return = array();
foreach($users as $login)
{
$return[] = $login['login'];
}
return $return;
}
/**
* For each user, returns the list of website IDs where the user has the supplied $access level.
* If a user doesn't have the given $access to any website IDs,
* the user will not be in the returned array.
*
* @param string Access can have the following values : 'view' or 'admin'
*
* @return array The returned array has the format
* array(
* login1 => array ( idsite1,idsite2),
* login2 => array(idsite2),
* ...
* )
*
*/
static public function getUsersSitesFromAccess( $access )
{
Piwik::checkUserIsSuperUser();
self::checkAccessType($access);
$db = Zend_Registry::get('db');
$users = $db->fetchAll("SELECT login,idsite
FROM ".Piwik::prefixTable("access")
." WHERE access = ?", $access);
$return = array();
foreach($users as $user)
{
$return[$user['login']][] = $user['idsite'];
}
return $return;
}
/**
* For each user, returns his access level for the given $idSite.
* If a user doesn't have any access to the $idSite ('noaccess'),
* the user will not be in the returned array.
*
* @param string website ID
*
* @return array The returned array has the format
* array(
* login1 => 'view',
* login2 => 'admin',
* login3 => 'view',
* ...
* )
*/
static public function getUsersAccessFromSite( $idSite )
{
Piwik::checkUserHasAdminAccess( $idSite );
$db = Zend_Registry::get('db');
$users = $db->fetchAll("SELECT login,access
FROM ".Piwik::prefixTable("access")
." WHERE idsite = ?", $idSite);
$return = array();
foreach($users as $user)
{
$return[$user['login']] = $user['access'];
}
return $return;
}
/**
* For each website ID, returns the access level of the given $userLogin.
* If the user doesn't have any access to a website ('noaccess'),
* this website will not be in the returned array.
* If the user doesn't have any access, the returned array will be an empty array.
*
* @param string User that has to be valid
*
* @return array The returned array has the format
* array(
* idsite1 => 'view',
* idsite2 => 'admin',
* idsite3 => 'view',
* ...
* )
*/
static public function getSitesAccessFromUser( $userLogin )
{
Piwik::checkUserIsSuperUser();
self::checkUserExists($userLogin);
$db = Zend_Registry::get('db');
$users = $db->fetchAll("SELECT idsite,access
FROM ".Piwik::prefixTable("access")
." WHERE login = ?", $userLogin);
$return = array();
foreach($users as $user)
{
$return[$user['idsite']] = $user['access'];
}
return $return;
}
/**
* Returns the user information (login, password md5, alias, email, date_registered, etc.)
*
* @param string the user login
*
* @return array the user information
*/
static public function getUser( $userLogin )
{
Piwik::checkUserIsSuperUser();
self::checkUserExists($userLogin);
$db = Zend_Registry::get('db');
$user = $db->fetchRow("SELECT *
FROM ".Piwik::prefixTable("user")
." WHERE login = ?", $userLogin);
return $user;
}
/**
* Returns the user information (login, password md5, alias, email, date_registered, etc.)
*
* @param string the user email
*
* @return array the user information
*/
static public function getUserByEmail( $userEmail )
{
Piwik::checkUserIsSuperUser();
self::checkUserEmailExists($userEmail);
$db = Zend_Registry::get('db');
$user = $db->fetchRow("SELECT *
FROM ".Piwik::prefixTable("user")
." WHERE email = ?", $userEmail);
return $user;
}
static private function checkLogin($userLogin)
{
if(self::userExists($userLogin))
{
throw new Exception(sprintf(Piwik_TranslateException('UsersManager_ExceptionLoginExists'),$userLogin));
}
if(!self::isValidLoginString($userLogin))
{
throw new Exception(Piwik_TranslateException('UsersManager_ExceptionInvalidLogin'));
}
}
static private function checkPassword($password)
{
if(!self::isValidPasswordString($password))
{
throw new Exception(Piwik_TranslateException('UsersManager_ExceptionInvalidPassword'));
}
}
static private function checkEmail($email)
{
if(self::userEmailExists($email))
{
throw new Exception(sprintf(Piwik_TranslateException('UsersManager_ExceptionEmailExists'),$email));
}
if(!Piwik::isValidEmailString($email))
{
throw new Exception(Piwik_TranslateException('UsersManager_ExceptionInvalidEmail'));
}
}
static private function getCleanAlias($alias,$userLogin)
{
if(empty($alias))
{
$alias = $userLogin;
}
return $alias;
}
static private function getCleanPassword($password)
{
// if change here, should also edit the installation process
// to change how the root pwd is saved in the config file
return md5($password);
}
/**
* Add a user in the database.
* A user is defined by
* - a login that has to be unique and valid
* - a password that has to be valid
* - an alias
* - an email that has to be in a correct format
*
* @see userExists()
* @see isValidLoginString()
* @see isValidPasswordString()
* @see isValidEmailString()
*
* @exception in case of an invalid parameter
*/
static public function addUser( $userLogin, $password, $email, $alias = false )
{
Piwik::checkUserIsSuperUser();
self::checkLogin($userLogin);
self::checkPassword($password);
self::checkEmail($email);
$alias = self::getCleanAlias($alias,$userLogin);
$passwordTransformed = self::getCleanPassword($password);
$token_auth = self::getTokenAuth($userLogin, $passwordTransformed);
$db = Zend_Registry::get('db');
$db->insert( Piwik::prefixTable("user"), array(
'login' => $userLogin,
'password' => $passwordTransformed,
'alias' => $alias,
'email' => $email,
'token_auth' => $token_auth,
)
);
// we reload the access list which doesn't yet take in consideration this new user
Zend_Registry::get('access')->loadAccess();
}
/**
* Updates a user in the database.
* Only login and password are required (case when we update the password).
* When the password changes, the key token for this user will change, which could break
* its API calls.
*
* @see addUser() for all the parameters
*/
static public function updateUser( $userLogin, $password = false, $email = false, $alias = false )
{
Piwik::checkUserIsSuperUserOrTheUser($userLogin);
self::checkUserIsNotAnonymous( $userLogin );
$userInfo = self::getUser($userLogin);
if(empty($password))
{
$password = $userInfo['password'];
}
else
{
self::checkPassword($password);
$password = self::getCleanPassword($password);
}
if(empty($alias))
{
$alias = $userInfo['alias'];
}
if(empty($email))
{
$email = $userInfo['email'];
}
if($email != $userInfo['email'])
{
self::checkEmail($email);
}
$alias = self::getCleanAlias($alias,$userLogin);
$token_auth = self::getTokenAuth($userLogin,$password);
$db = Zend_Registry::get('db');
$db->update( Piwik::prefixTable("user"),
array(
'password' => $password,
'alias' => $alias,
'email' => $email,
'token_auth' => $token_auth,
),
"login = '$userLogin'"
);
}
/**
* Delete a user and all its access, given its login.
*
* @param string the user login.
*
* @exception if the user doesn't exist
*
* @return bool true on success
*/
static public function deleteUser( $userLogin )
{
Piwik::checkUserIsSuperUser();
self::checkUserIsNotAnonymous( $userLogin );
if(!self::userExists($userLogin))
{
throw new Exception(sprintf(Piwik_TranslateException("UsersManager_ExceptionDeleteDoesNotExist"),$userLogin));
}
self::deleteUserOnly( $userLogin );
self::deleteUserAccess( $userLogin );
}
/**
* Returns true if the given userLogin is known in the database
*
* @return bool true if the user is known
*/
static public function userExists( $userLogin )
{
Piwik::checkUserHasSomeAdminAccess();
$count = Zend_Registry::get('db')->fetchOne("SELECT count(*)
FROM ".Piwik::prefixTable("user"). "
WHERE login = ?", $userLogin);
return $count != 0;
}
/**
* Returns true if user with given email (userEmail) is known in the database
*
* @return bool true if the user is known
*/
static public function userEmailExists( $userEmail )
{
Piwik::checkUserHasSomeAdminAccess();
$count = Zend_Registry::get('db')->fetchOne("SELECT count(*)
FROM ".Piwik::prefixTable("user"). "
WHERE email = ?", $userEmail);
return $count != 0;
}
/**
* Set an access level to a given user for a list of websites ID.
*
* If access = 'noaccess' the current access (if any) will be deleted.
* If access = 'view' or 'admin' the current access level is deleted and updated with the new value.
*
* @param string Access to grant. Must have one of the following value : noaccess, view, admin
* @param string The user login
* @param int|array The array of idSites on which to apply the access level for the user.
* If the value is "all" then we apply the access level to all the websites ID for which the current authentificated user has an 'admin' access.
*
* @exception if the user doesn't exist
* @exception if the access parameter doesn't have a correct value
* @exception if any of the given website ID doesn't exist
*
* @return bool true on success
*/
static public function setUserAccess( $userLogin, $access, $idSites)
{
self::checkAccessType( $access );
self::checkUserExists( $userLogin);
if($userLogin == 'anonymous'
&& $access == 'admin')
{
throw new Exception(Piwik_TranslateException("UsersManager_ExceptionAdminAnonymous"));
}
// in case idSites is null we grant access to all the websites on which the current connected user
// has an 'admin' access
if($idSites === 'all')
{
$idSites = Piwik_SitesManager_API::getSitesIdWithAdminAccess();
}
// in case the idSites is an integer we build an array
elseif(!is_array($idSites))
{
$idSites = Piwik_Site::getIdSitesFromIdSitesString($idSites);
}
// it is possible to set user access on websites only for the websites admin
// basically an admin can give the view or the admin access to any user for the websites he manages
Piwik::checkUserHasAdminAccess( $idSites );
self::deleteUserAccess( $userLogin, $idSites);
// delete UserAccess
$db = Zend_Registry::get('db');
// if the access is noaccess then we don't save it as this is the default value
// when no access are specified
if($access != 'noaccess')
{
foreach($idSites as $idsite)
{
$db->insert( Piwik::prefixTable("access"),
array( "idsite" => $idsite,
"login" => $userLogin,
"access" => $access)
);
}
}
// we reload the access list which doesn't yet take in consideration this new user access
Zend_Registry::get('access')->loadAccess();
}
/**
* Throws an exception is the user login doesn't exist
*
* @param string user login
* @exception if the user doesn't exist
*/
static private function checkUserExists( $userLogin )
{
if(!self::userExists($userLogin))
{
throw new Exception(sprintf(Piwik_TranslateException("UsersManager_ExceptionUserDoesNotExist"),$userLogin));
}
}
/**
* Throws an exception is the user email cannot be found
*
* @param string user email
* @exception if the user doesn't exist
*/
static private function checkUserEmailExists( $userEmail )
{
if(!self::userEmailExists($userEmail))
{
throw new Exception(sprintf(Piwik_TranslateException("UsersManager_ExceptionUserDoesNotExist"),$userEmail));
}
}
static private function checkUserIsNotAnonymous( $userLogin )
{
if($userLogin == 'anonymous')
{
throw new Exception(Piwik_TranslateException("UsersManager_ExceptionEditAnonymous"));
}
}
static private function checkAccessType($access)
{
$accessList = Piwik_Access::getListAccess();
// do not allow to set the superUser access
unset($accessList[array_search("superuser", $accessList)]);
if(!in_array($access,$accessList))
{
throw new Exception(sprintf(Piwik_TranslateException("UsersManager_ExceptionAccessValues"),implode(", ", $accessList)));
}
}
/**
* Delete a user given its login.
* The user's access are not deleted.
*
* @param string the user login.
*
*/
static private function deleteUserOnly( $userLogin )
{
$db = Zend_Registry::get('db');
$db->query("DELETE FROM ".Piwik::prefixTable("user")." WHERE login = ?", $userLogin);
}
/**
* Delete the user access for the given websites.
* The array of idsite must be either null OR the values must have been checked before for their validity!
*
* @param string the user login
* @param array array of idsites on which to delete the access. If null then delete all the access for this user.
*
* @return bool true on success
*/
static private function deleteUserAccess( $userLogin, $idSites = null )
{
$db = Zend_Registry::get('db');
if(is_null($idSites))
{
$db->query( "DELETE FROM ".Piwik::prefixTable("access").
" WHERE login = ?",
array( $userLogin) );
}
else
{
foreach($idSites as $idsite)
{
$db->query( "DELETE FROM ".Piwik::prefixTable("access").
" WHERE idsite = ? AND login = ?",
array($idsite, $userLogin)
);
}
}
}
/**
* Generates a unique MD5 for the given login & password
*
* @param string Login
* @param string Password string, or the MD5ied string of the password
*/
static public function getTokenAuth($userLogin, $password)
{
if(strlen($password) != 32)
{
$password = md5($password);
}
return md5($userLogin . $password );
}
/**
* Returns true if the login has a valid format :
* - only A-Z a-z and the characters _ . and -
* - length between 3 and 26
*
* @param string login
* @return bool
*/
static private function isValidLoginString( $input )
{
$l = strlen($input);
return $l >= 3
&& $l <= 26
&& (preg_match('/^[A-Za-z0-9\_\.-]*$/', $input) > 0);
}
/**
* Returns true if the password is complex enough (at least 6 characters and max 26 characters)
*
* @param string email
* @return bool
*/
static private function isValidPasswordString( $input )
{
$l = strlen($input);
return $l >= 6 && $l <= 26;
}
}
|