63 lines
2.0 KiB
PHP
63 lines
2.0 KiB
PHP
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<?php
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class KT_atom_HTTPauth{
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public static function getCredentials(){
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// Workaround for mod_auth when running php cgi
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if(!isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['HTTP_AUTHORIZATION'])){
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list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) = explode(':' , base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
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}
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$credentials=array('user'=>'','pass'=>'','method'=>'');
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if(isset($_SERVER['PHP_AUTH_USER'])){
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$credentials['user']=$_SERVER['PHP_AUTH_USER'];
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$credentials['pass']=isset($_SERVER['PHP_AUTH_PW'])?$_SERVER['PHP_AUTH_PW']:'';
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$credentials['method']=isset($_SERVER['AUTH_TYPE'])?$_SERVER['AUTH_TYPE']:'';
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}else{
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if(isset($_SERVER['kt_auth']) || isset($_SERVER['REDIRECT_kt_auth'])){
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$ktauth=isset($_SERVER['kt_auth'])?$_SERVER['kt_auth']:$_SERVER['REDIRECT_kt_auth'];
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list($authMethod,$authCred)=split(' ',$ktauth);
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$authMethod=strtolower(trim($authMethod));
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$authCred=base64_decode(trim($authCred));
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list($authUser,$authPass)=split(':',$authCred);
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$credentials['method']=$authMethod;
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$credentials['user']=$authUser;
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$credentials['pass']=$authPass;
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}
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}
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return $credentials;
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}
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public static function requireBasicAuth($realm='default',$message=''){
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$realm=$realm?$realm:'default';
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header('WWW-Authenticate: Basic Realm="'.$realm.'"');
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header('HTTP/1.0 401 Unauthorized');
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echo $message;
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exit;
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}
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public static function isLoggedIn(){
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$kt=new KTAPI();
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$session=$kt->get_active_session(session_id());
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return !PEAR::isError($session);
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}
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public static function logout(){
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$kt=new KTAPI();
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$session=$kt->get_active_session(session_id());
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if(!PEAR::isError($session)){
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$session->logout();
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}
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}
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public static function login($realm,$msg){
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$kt=new KTAPI();
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$session=$kt->get_active_session(session_id());
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if(PEAR::isError($session)){
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$cred=self::getCredentials();
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$kt->login($cred['user'],$cred['pass']);
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if(self::isLoggedIn())return;
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}
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self::requireBasicAuth($realm,$msg);
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}
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}
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?>
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