<?
App::import('Sanitize');
class VaultShell extends Shell {
	/* vault.php - To be run in CLI via Cron. Fetches the mail from a certain mailbox, searches for a CMC Technologies Enquiry Numbeer
	 * then loads the data into the 'emails' table and the attachments in the 'email_attachments' table.
	 * Emails are discared or moved to a subfolder once processed
	 */
	

	var $uses = array('Enquiry', 'Email', 'EmailAttachments');
	
	
	function main() {
		/* Setup Connection to the IMAP server */
		$username = 'vault';
		$password = 'xjdYOsmJWc37'; /* The password for the account to be checked */
		$mbox = imap_open("{saturn:143/novalidate-cert}INBOX", $username, $password) or die("can't connect: " . imap_last_error());
		$MC = imap_check($mbox);
		$number_of_messages = $MC->Nmsgs;
		
		/* Loop through the messages and sort them into ones to be processed or discarded */
		for ($i=1; $i <= $number_of_messages; $i++) {
			$this_header = imap_headerinfo($mbox, $i);
			preg_match("/CMC\d+([NVQWSO]|ACT|NT)E\d+-\d+/", $this_header->subject, $output);
			if(isset($output[0])) {
				
				$fetched_enquirynumber = $output[0];
				$enquiry = $this->Enquiry->findByTitle($fetched_enquirynumber);
				
				if($enquiry['Enquiry']['id'] == NULL) {  //It passes the Regex - but we don't find an Enquiry for it in the MER.
					imap_mail_move($mbox, $i, 'INBOX/Discarded'); //Discard it.
				}
				
				else { //Process it and store the message and its attachments.
				echo $enquiry['Contact']['first_name'].' '.$enquiry['Contact']['last_name']."\n";
				
				$this->Email->create();
				$this->data['Email']['enquiry_id'] = $enquiry['Enquiry']['id'];
					
				$this->data['Email']['to_address'] = $this_header->to[0]->mailbox.'@'.$this_header->to[0]->host;
				
				$this->data['Email']['from_address'] = $this_header->from[0]->mailbox.'@'.$this_header->from[0]->host;
				$this->data['Email']['to_name'] = $this_header->toaddress;
				
				$this->data['Email']['from_name'] = $this_header->fromaddress;
				$this->data['Email']['date'] = $this_header->date;
				$this->data['Email']['subject'] = $this_header->subject;
				$body = imap_fetchbody($mbox, $i, '1');
				//$body = Sanitize::html($body, true);
				$this->data['Email']['body'] = $body;
				if($this->Email->save($this->data)) {
					echo "Email stored in the DB under enquiry ".$enquiry['Enquiry']['title']."\n";
				}
				else {
					echo 'Unable to save the Email\n';
				}
				
				}
			}
			else {
				/* Can't find a valid-looking CMC Enquiry Number. Move the message to the discarded folder 
				 * I may change this to simply delete the emails. This will do for now, but it's doubling up on the storage for useless files.
				 * */
				if(imap_mail_move($mbox, $i, 'INBOX/Discarded')) {
					echo "Message Number $i contains no valid Enquiry number. Has been discarded\n";
				}
				else {
					echo "Message Number $i contains no valid Enquiry number. But could not be discarded\n";
				}
			}
			
		}
		
		
		/* Finished working with the IMAP server. Make the changes and close the connection */
		imap_expunge($mbox);
		imap_close($mbox); 
	}


//Adapted from Code posted on the PHP manual by david at hundsness.com.

function getmsg($mbox,$mid) {
    // input $mbox = IMAP stream, $mid = message id
    // output all the following:
    global $htmlmsg,$plainmsg,$charset,$attachments;
    // the message may in $htmlmsg, $plainmsg, or both
    $htmlmsg = $plainmsg = $charset = '';
    $attachments = array();

    // HEADER
    $h = imap_header($mbox,$mid);
    // add code here to get date, from, to, cc, subject...

    // BODY
    $s = imap_fetchstructure($mbox,$mid);
    if (!$s->parts)  // not multipart
        getpart($mbox,$mid,$s,0);  // no part-number, so pass 0
    else {  // multipart: iterate through each part
        foreach ($s->parts as $partno0=>$p)
            getpart($mbox,$mid,$p,$partno0+1);
    }
}

function getpart($mbox,$mid,$p,$partno) {
    // $partno = '1', '2', '2.1', '2.1.3', etc if multipart, 0 if not multipart
    global $htmlmsg,$plainmsg,$charset,$attachments;

    // DECODE DATA
    $data = ($partno)?
        imap_fetchbody($mbox,$mid,$partno):  // multipart
        imap_body($mbox,$mid);  // not multipart
    // Any part may be encoded, even plain text messages, so check everything.
    if ($p->encoding==4)
        $data = quoted_printable_decode($data);
    elseif ($p->encoding==3)
        $data = base64_decode($data);
    // no need to decode 7-bit, 8-bit, or binary

    // PARAMETERS
    // get all parameters, like charset, filenames of attachments, etc.
    $params = array();
    if ($p->parameters)
        foreach ($p->parameters as $x)
            $params[ strtolower( $x->attribute ) ] = $x->value;
    if ($p->dparameters)
        foreach ($p->dparameters as $x)
            $params[ strtolower( $x->attribute ) ] = $x->value;

    // ATTACHMENT
    // Any part with a filename is an attachment,
    // so an attached text file (type 0) is not mistaken as the message.
    if ($params['filename'] || $params['name']) {
        // filename may be given as 'Filename' or 'Name' or both
        $filename = ($params['filename'])? $params['filename'] : $params['name'];
        // filename may be encoded, so see imap_mime_header_decode()
        $attachments[$filename] = $data;  // this is a problem if two files have same name
    }

    // TEXT
    elseif ($p->type==0 && $data) {
        // Messages may be split in different parts because of inline attachments,
        // so append parts together with blank row.
        if (strtolower($p->subtype)=='plain')
            $plainmsg .= trim($data) ."\n\n";
        else
            $htmlmsg .= $data ."<br><br>";
        $charset = $params['charset'];  // assume all parts are same charset
    }

    // EMBEDDED MESSAGE
    // Many bounce notifications embed the original message as type 2,
    // but AOL uses type 1 (multipart), which is not handled here.
    // There are no PHP functions to parse embedded messages,
    // so this just appends the raw source to the main message.
    elseif ($p->type==2 && $data) {
        $plainmsg .= trim($data) ."\n\n";
    }

    // SUBPART RECURSION
    if ($p->parts) {
        foreach ($p->parts as $partno0=>$p2)
            getpart($mbox,$mid,$p2,$partno.'.'.($partno0+1));  // 1.2, 1.2.1, etc.
    }
}


}	
	
	?>