File indexing completed on 2024-05-12 17:26:17

 <?php
 
 /*
  *   TRT GFX 4.0.0
  * 
  *   support: happy.snizzo@gmail.com
  *   website: https://projects.kde.org/projects/playground/www/ocs-server
  *   credits: Claudio Desideri
  *   
  *   This software is released under the GPLv3 License.
  *   http://opensource.org/licenses/GPL-3.0
  */ 
 
 
 /*
  * Static class used as a helper for managing xml output in
  * order to be OCS compliant.
  */
 class OCSXML{
   
   /*
    * Function originally ported from reference implementation.
    * Useful to print server generated OCS server compliant xml.
    * 
    * Example:
    * 
      $xml['version']=EConfig::$data["ocsserver"]["version"];;
        $xml['website']=EConfig::$data["ocsserver"]["website"];
      $xml['host']=EConfig::$data["ocsserver"]["host"];;
      $xml['contact']=EConfig::$data["ocsserver"]["contact"];;
      $xml['ssl']=EConfig::$data["ocsserver"]["ssl"];;
      echo(OCSXML::generatexml($format,'ok',100,'',$xml,'config','',1));
    * 
    */
   static public function generatexml($format,$status,$statuscode,$message,$data=array(),$tag='',$tagattribute='',$dimension=-1,$itemscount='',$itemsperpage='') {
     if($format=='json') {
 
       $json=array();
       $json['status']=$status;
       $json['statuscode']=$statuscode;
       $json['message']=$message;
       $json['totalitems']=$itemscount;
       $json['itemsperpage']=$itemsperpage;
       $json['data']=$data;
       return(json_encode($json));
 
 
     }else{
       $txt='';
       $writer = xmlwriter_open_memory();
       xmlwriter_set_indent( $writer, 2 );
       xmlwriter_start_document($writer );
       xmlwriter_start_element($writer,'ocs');
       xmlwriter_start_element($writer,'meta');
       xmlwriter_write_element($writer,'status',$status);
       xmlwriter_write_element($writer,'statuscode',$statuscode);
       xmlwriter_write_element($writer,'message',$message);
       if($itemscount<>'') xmlwriter_write_element($writer,'totalitems',$itemscount);
       if(!empty($itemsperpage)) xmlwriter_write_element($writer,'itemsperpage',$itemsperpage);
       xmlwriter_end_element($writer);
       //echo($dimension);
       if($dimension=='0') {
         // 0 dimensions
         xmlwriter_write_element($writer,'data',$data);
 
       }elseif($dimension=='1') {
         xmlwriter_start_element($writer,'data');
         foreach($data as $key=>$entry) {
           xmlwriter_write_element($writer,$key,$entry);
         }
         xmlwriter_end_element($writer);
 
       }elseif($dimension=='2') {
         xmlwriter_start_element($writer,'data');
         if(!empty($data)){
           foreach($data as $entry) {
             xmlwriter_start_element($writer,$tag);
             if(!empty($tagattribute)) {
               xmlwriter_write_attribute($writer,'details',$tagattribute);
             }
             foreach($entry as $key=>$value) {
               if(is_array($value)){
                 foreach($value as $k=>$v) {
                   xmlwriter_write_element($writer,$k,$v);
                 }
               } else {
                 xmlwriter_write_element($writer,$key,$value);
               }
             }
             xmlwriter_end_element($writer);
           }
         }
         xmlwriter_end_element($writer);
 
       }elseif($dimension=='3') {
         xmlwriter_start_element($writer,'data');
         foreach($data as $entrykey=>$entry) {
           xmlwriter_start_element($writer,$tag);
           if(!empty($tagattribute)) {
             xmlwriter_write_attribute($writer,'details',$tagattribute);
           }
           foreach($entry as $key=>$value) {
             if(is_array($value)){
               xmlwriter_start_element($writer,$entrykey);
               foreach($value as $k=>$v) {
                 xmlwriter_write_element($writer,$k,$v);
               }
               xmlwriter_end_element($writer);
             } else {
               xmlwriter_write_element($writer,$key,$value);
             }
           }
           xmlwriter_end_element($writer);
         }
         xmlwriter_end_element($writer);
       }elseif($dimension=='dynamic') {
         xmlwriter_start_element($writer,'data');
         //$this->toxml($writer,$data,'comment');
         if(is_array($data)) OCSXML::toxml($writer,$data,$tag);
         xmlwriter_end_element($writer);
       }
 
       xmlwriter_end_element($writer);
 
       xmlwriter_end_document( $writer );
       $txt.=xmlwriter_output_memory( $writer );
       unset($writer);
       return($txt);
     }
   }
   
   /**
    * Take an array of any size, and make it into xml
    * @param xmlwriter   An xmlwriter instance
    * @param array     The array which is to be transformed
    * @param mixed     Either a string, or an array of elements defining element names for each level in the XML hierarchy
    *            In the case of multiple lists of differently titled items at the same level, adding an array inside the array will allow for this to be constructed.
    * @param int     Internal use (the index of the child item in question - corresponds to the index in the second level array above)
    */
   static public function toxml($writer,$data,$node,$childindex=0) {
     $nodename=$node;
     if(is_array($node)){
       $nodename=array_shift($node);
     }
 
     $childcount=-1;
     foreach($data as $key => $value) {
       $childcount++;
       if (is_numeric($key)) {
         if(is_array($nodename)) {
           $key = $nodename[$childindex];
         } else {
           $key = $nodename;
         }
       }
       if (is_array($value)){
         xmlwriter_start_element($writer,$key);
         OCSXML::toxml($writer,$value,$node,$childcount);
         xmlwriter_end_element($writer);
       }else{
         xmlwriter_write_element($writer,$key,$value);
       }
     }
     if(is_array($node)) {
       array_unshift($node,$nodename);
     }
   }
   /*
    * Generate a providers.xml file for clients.
    * If arguments are empty data will be auto-generated.
    */
   public static function generate_providers($serverid='',$name='',$location='',$termsofuse='',$register='', $ssl=false)
   {
     $version = EConfig::$data['ocsserver']['version'];
     
     $modules = array();
     
     //preconfigured for future modules
     if(class_exists("OCSUser")){ $modules[] = "person"; } //TODO: OCSUser should become OCSPerson
     if(class_exists("OCSFriend")){ $modules[] = "friend"; }
     if(class_exists("OCSMessage")){ $modules[] = "message"; }
     if(class_exists("OCSActivity")){ $modules[] = "activity"; }
     if(class_exists("OCSContent")){ $modules[] = "content"; }
     if(class_exists("OCSFan")){ $modules[] = "fan"; }
     if(class_exists("OCSKnowledgebase")){ $modules[] = "knowledgebase"; }
     if(class_exists("OCSEvent")){ $modules[] = "event"; }
     
     $xml = '';
     $xml .= "<providers>
       <provider>
         <id>$serverid</id>
         <location>$location</location>
         <name>$name</name>
         <icon/>
         <termsofuse>$termsofuse</termsofuse>
         <register>$register</register>
         <services>\n";
           foreach($modules as $module){
             $xml.= "\t\t\t\t<$module ocsversion=\"$version\"/>\n";
           }
         $xml .= "\t\t\t\t</services>
       </provider>
     </providers>";
     
     return $xml;
   }
 }
 ?>