vvelsen
198 linhas
4.1 KiB
PHP
198 linhas
4.1 KiB
PHP
<?php
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$index =0;
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$content ="";
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$pure =array ();
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$ipaddr =$_SERVER['REMOTE_ADDR'];
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$messages=array ();
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$data ="";
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$logFile = fopen("tutorlog.txt", "a") or die("Unable to open log file!");
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$logDebug = null;
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// Uncomment the line below to see what the script is doing
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// $logDebug=fopen("tutordebug.txt", "a") or die("Unable to open log file!");
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/**------------------------------------------------------------------------------------
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*/
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function debug ($aMessage)
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{
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global $logDebug;
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if ($logDebug)
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{
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fwrite($logDebug,$aMessage);
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fwrite($logDebug,"\n");
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}
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}
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/**------------------------------------------------------------------------------------
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*/
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function clean_xml ($raw)
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{
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$fixed="";
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$test=strstr ($raw,'<log_action');
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if ($test!=FALSE)
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{
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$fixed="<?xml_version \"1.0\" encoding=\"UTF-8\"?> ".$test;
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}
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else
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{
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$fixed=$raw;
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}
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$location=strrpos ($fixed,"<?xml");
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$cut=substr ($fixed,0,$location);
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$cut.="</log_action>";
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return ($cut);
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}
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/**------------------------------------------------------------------------------------
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*/
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function clean_stream ($incoming)
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{
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debug ("clean_stream ()");
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global $pure;
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$temper=array ();
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// take out the payload ...
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foreach ($incoming as $examiner)
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{
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$newlined=str_replace ("\n","",$examiner);
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$test=strstr ($newlined,"</log_action>");
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if ($test!=false)
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{
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$tutorinfo=strstr ($newlined,"<tutor_related_message_sequence");
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$payloadindex=strpos ($newlined,"<tutor_related_message_sequence");
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$tutorpayload=substr ($newlined,0,$payloadindex);
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$tutorpayload.="</log_action>";
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array_push ($temper,clean_xml ($tutorpayload));
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$tutormessage=str_replace ("</log_action>","",$tutorinfo);
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array_push ($temper,'<?xml_version "1.0" encoding="UTF-8"?>'.$tutormessage);
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}
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else
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{
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array_push ($temper,$newlined);
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array_push ($temper,"<content></content>");
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}
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}
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return ($temper);
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}
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/**------------------------------------------------------------------------------------
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*/
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function clean_data ($examiner)
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{
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debug ("clean_data ()");
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global $pure;
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$temper=array ();
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// seperate the envelope from the payload ...
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$newlined=str_replace ("\n","",$examiner);
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$test=strstr ($newlined,"</log_action>");
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if ($test!=false)
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{
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debug ("We have a log action, processing ...");
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array_push ($temper,$newlined);
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$noOutterXML=strpos($newlined,"?>");
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$leftHalf=substr ($newlined,$noOutterXML+2);
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debug ("Left half: ".$leftHalf);
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$innerXMLLoc=strpos($leftHalf,">");
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$innerXML=substr ($leftHalf,$innerXMLLoc+1);
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debug ("Inner XML: ".$innerXML);
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$tutorpayload=str_replace ("</log_action>","",$innerXML);
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debug ("Tutor payload: ".$tutorpayload);
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array_push ($temper,$tutorpayload);
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}
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else
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{
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debug ("We don't have a log action, simple subbing ...");
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array_push ($temper,$newlined);
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array_push ($temper,"<content></content>");
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}
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return ($temper);
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}
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/**------------------------------------------------------------------------------------
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* Fix the session id such that it represents a string useable as a file name, in case
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* you want to open a different log file per session.
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*/
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function fix_session ($incoming)
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{
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$result=str_replace ('-','_',$incoming);
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return ($result);
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}
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//-------------------------------------------------------------------------------------
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debug ("Run start");
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// pre clean ...
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$data=$_POST;
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if (empty ($_POST)==true)
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{
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debug ('Processing POST data ..');
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$data=$HTTP_RAW_POST_DATA;
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}
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debug ("Processing RAW Post data ...");
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if (empty ($data)==true)
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{
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debug ('ERROR: Unable to extract data from POST message!');
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return;
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}
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// take out the payload and fix any malformed xml ...
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array_push ($pure,clean_data ($data));
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// Process the pure xml payload ...
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foreach ($pure as $value)
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{
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$decoded=urldecode ($value [1]);
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debug ("Decoded: ".$decoded);
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$xml=new SimpleXMLElement ($value [0]);
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$session_id=fix_session ($xml ['session_id']);
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fwrite($logFile,"[[ENVELOPE]][s:".$session_id."] -- ".$value [0]."\n");
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fwrite($logFile,"[[CONTENT ]][s:".$session_id."] -- ".$decoded."\n");
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}
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echo 'MESSAGE RECEIVED';
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debug ("Run end");
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?>
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