<?php
  /* $Id$ */
  /*
  	mailer_app.php
  	Copyright (C) 2008 Mark J Crane
  	All rights reserved.
  
  	Redistribution and use in source and binary forms, with or without
  	modification, are permitted provided that the following conditions are met:
  
  	1. Redistributions of source code must retain the above copyright notice,
  	   this list of conditions and the following disclaimer.
  
  	2. Redistributions in binary form must reproduce the above copyright
  	   notice, this list of conditions and the following disclaimer in the
  	   documentation and/or other materials provided with the distribution.
  
  	THIS SOFTWARE IS PROVIDED ``AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES,
  	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  	POSSIBILITY OF SUCH DAMAGE.
  */
  
  $tmp_smtphost   = "smtp.gmail.com:465";
  $tmp_smtpsecure = "ssl";  //options "", "tls", "ssl"
  $tmp_smtpauth = "true";     // SMTP authentication: true or false
  $tmp_smtpusername = "test@gmail.com";
  $tmp_smtppassword = "password";
  $tmp_smtpfrom = "test@gmail.com";
  $tmp_smtpfromname = "voicemail";
  
  
  ini_set('max_execution_time',900); //15 minutes
  ini_set('memory_limit', '96M');
  $fd = fopen("php://stdin", "r");
  
  $email = file_get_contents ("php://stdin");    
  fclose($fd);   
  $fp = fopen("/tmp/voicemailtoemail.txt", "w");  

  ob_end_clean();
  ob_start();
  
  
  //get main header and body
      $tmparray = split("\n\n", $email);
      $mainheader = $tmparray[0];
      $maincontent = substr($email, strlen($mainheader), strlen($email));
          
  //get the boundary   
      $tmparray = split("\n", $mainheader);
      $contenttmp = $tmparray[1]; //Content-Type: multipart/mixed; boundary="XXXX_boundary_XXXX"
      $tmparray = split('; ', $contenttmp); //boundary="XXXX_boundary_XXXX"
      $contenttmp = $tmparray[1];
      $tmparray = split('=', $contenttmp); //"XXXX_boundary_XXXX"
      $boundary = $tmparray[1];
      $boundary = trim($boundary,'"');
      //echo "boundary: $boundary\n";
      
  //put the main headers into an array
      $mainheaderarray = split("\n", $mainheader);
      //print_r($mainheaderarray);
      foreach ($mainheaderarray as $val) {            
          $tmparray = split(': ', $val);
          //print_r($tmparray);
          $var[$tmparray[0]] = trim($tmparray[1]);
      }
  
      $var['To'] = str_replace("<", "", $var['To']);
      $var['To'] = str_replace(">", "", $var['To']);
      
      echo "To: ".$var['To']."\n";
      echo "From: ".$var['From']."\n";
      echo "Subject: ".$var['Subject']."\n";
      echo "Path: ".$var['Path']."\n";

//Transcribing Voicemail
$path = $var['Path'];
shell_exec('cp ' .$path. ' /var/www/html/api/PHPMailer/recording/');
$temp_filename = explode('/',$path);
$count = count($temp_filename) - 1;
$temp_filename = $temp_filename[$count];
$filename = "http://127.0.0.1/api/PHPMailer/recording/".$temp_filename;
$stturl = "https://speech.googleapis.com/v1beta1/speech:syncrecognize?key=uday_key";
$upload = file_get_contents($filename);
$upload = base64_encode($upload);
$data = array("config"=>array("encoding"=>"LINEAR16","sampleRate"=>8000,"languageCode"=>"en-US"),"audio"=>array("content"=>$upload));

$jsonData = json_encode($data);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $stturl);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonData);

$result = curl_exec($ch);
$json_response = json_decode($result,true);

//echo $json_response['results'][0]['alternatives'][0]['transcript'];
//End Vociemail

      //print_r($var);
      echo "\n\n";
              
  
  // split mime type multi-part into each part
      $maincontent = str_replace($boundary."--", $boundary, $maincontent);
      $tmparray = split("--".$boundary, $maincontent);
  
  // loop through each mime part
      $i=0;
      foreach ($tmparray as $mimepart) {
                
        $mimearray = split("\n\n", $mimepart);
        $subheader = $mimearray[0];
        $headermimearray = split("\n", trim($subheader));
  
        $x=0;
        foreach ($headermimearray as $val) {
            if(stristr($val, ':') === FALSE) {
                $tmparray = split('=', $val); //':' not found
                if (trim($tmparray[0]) == "boundary") {
                    $subboundary = $tmparray[1];
                    $subboundary = trim($subboundary,'"');
                    //echo "subboundary: ".$subboundary."\n";
                }
            }
            else {            
                $tmparray = split(':', $val); //':' found
            }
            
            //print_r($tmparray);
            $var[trim($tmparray[0])] = trim($tmparray[1]);
        }
        //print_r($var);
        
              
        $contenttypearray = split(' ', $headermimearray[0]);
        
        if ($contenttypearray[0] == "Content-Type:") {
            $contenttype = trim($contenttypearray[1]);
            
            switch ($contenttype) {
            case "multipart/alternative;":
            
                //echo "type: ".$contenttype."\n";
                $content = trim(substr($mimepart, strlen($subheader), strlen($mimepart)));
                
                $content = str_replace($subboundary."--", $subboundary, $content);
                $tmpsubarray = split("--".$subboundary, $content);
                foreach ($tmpsubarray as $mimesubsubpart) {
        
                  $mimesubsubarray = split("\n\n", $mimesubsubpart);
                  $subsubheader = $mimesubsubarray[0];
                  
                  $headersubsubmimeearray = split("\n", trim($subsubheader));
                  $subsubcontenttypearray = split(' ', $headersubsubmimeearray[0]);
                  //echo "subsubcontenttypearray[0] ".$subsubcontenttypearray[0]."\n";
  
                  if ($subsubcontenttypearray[0] == "Content-Type:") {
                      $subsubcontenttype = trim($subsubcontenttypearray[1]);                    
                      switch ($subsubcontenttype) {
                      case "text/plain;":
                        $textplain = trim(substr($mimesubsubpart, strlen($subsubheader), strlen($mimesubsubpart)))."\nMessage Inside Recording: ".$json_response['results'][0]['alternatives'][0]['transcript'];
                        //echo "text/plain: $textplain\n";
                        break;
                      case "text/html;":
                        $texthtml = trim(substr($mimesubsubpart, strlen($subsubheader), strlen($mimesubsubpart)))."\nMessage Inside Recording: ".$json_response['results'][0]['alternatives'][0]['transcript'];
			//echo "text/html: $texthtml\n";
                        break;
                      }
                  } //end if
                  
  
                } //end foreach
                
                break;
            case "audio/wav;":
                //echo "type: ".$contenttype."\n";          
                $strwav = trim(substr($mimepart, strlen($subheader), strlen($mimepart)));
                //echo "\n*** begin wav ***\n".$strwav."\n*** end wav ***\n";
                break;
                
            }//end switch 
        } //end if
        
        $i++;  
      
      } //end foreach
  
  
  //send the email
        
       include "class.phpmailer.php";
       include "class.smtp.php"; // optional, gets called from within class.phpmailer.php if not already loaded
      
       $mail = new PHPMailer();
       
       $mail->IsSMTP(); // set mailer to use SMTP
       if ($tmp_smtpauth == "true") {
       	$mail->SMTPAuth = $tmp_smtpauth; //turn on/off SMTP authentication
       }
       $mail->Host   = $tmp_smtphost;
       if (strlen($tmp_smtpsecure)>0) {
           $mail->SMTPSecure = $tmp_smtpsecure;
       }
       if ($tmp_smtpusername) {
            $mail->Username = $tmp_smtpusername;
            $mail->Password = $tmp_smtppassword;
       }
       $mail->SMTPDebug  = 2;
  
       $mail->From       = $tmp_smtpfrom;
       $mail->FromName   = $tmp_smtpfromname;
       $mail->Subject    = $var['Subject'];
       $mail->AltBody    = $textplain;   // optional, comment out and test
       $mail->MsgHTML($texthtml);
       
       $tmp_to = $var['To'];
       $tmp_to = str_replace(";", ",", $tmp_to);
       $tmp_to_array = split(",", $tmp_to);
       foreach($tmp_to_array as $tmp_to_row) {
               if (strlen($tmp_to_row) > 0) {
                       $mail->AddAddress($tmp_to_row);
               }
       }
$attachedfile = "/var/www/html/api/PHPMailer/recording/".$temp_filename;       
$mail->AddAttachment($attachedfile, $temp_filename);
/*
       if (strlen($strwav) > 0) {
               $filename='voicemail.wav'; $encoding = "base64"; $type = "audio/wav";
               $mail->AddStringAttachment(base64_decode($strwav),$filename,$encoding,$type);
       }
       unset($strwav);
*/       
       if(!$mail->Send()) {
          echo "Mailer Error: " . $mail->ErrorInfo;
       }
       else {
          echo "Message sent!";
       }
       
  $content = ob_get_contents(); //get the output from the buffer
  ob_end_clean(); //clean the buffer
  
  fwrite($fp, $content);
  fclose($fp);
  shell_exec('rm -rf /var/www/html/api/PHPMailer/recording/'.$temp_filename); 
  ?>