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path: root/src/views/pages/messages.php
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<?php
// the first ~20 lines are so that this can be called from the command line,
// with mail piped in.  This allows us to hook it into a local mail handler.

global $BASE, $m;

$cmdline = isset($argv[0]); // called from the command line
@$method = $_SERVER['REQUEST_METHOD']; // What HTTP method was used

if (!isset($BASE)) {
	$pages = dirname(__FILE__);
	$src   = dirname($pages);
	$BASE = dirname($src);
	set_include_path(get_include_path()
	                 .PATH_SEPARATOR. "$BASE/src/lib"
	                 .PATH_SEPARATOR. "$BASE/src/ext"
	                 );
}

if (!$cmdline) {
	require_once('MessageManager.class.php');
	$m = new MessageManager($BASE.'/conf.php');
}

$uid = $m->isLoggedIn();
$auth = ($uid!==false) && ($m->getStatus($uid)>0);
if (!$cmdline && !$auth) {
	$m->status('401 Unauthorized');
	$m->header('Unauthorized');
	$t = $m->template();
	$t->tag('h1',array(),"401: Unauthorized");
	$t->paragraph('You need to be logged in to view messages. :(');
	$m->footer();
	exit();
}

@$method = $_SERVER['REQUEST_METHOD'];
if ( ($method=='PUT') || ($method=='POST') || $cmdline ) {
	// We're going to be uploading a new message.
	
	// so uniqid isn't 'secure', it doesn't need to be, it's to prevent
	// random collisions.
	$tmpfile = "$BASE/tmp/".uniqid(getmypid().'.');
	$infile = ($cmdline?'php://stdin':'php://input');
	$out = fopen($tmpfile, "w");
	$in  = fopen($infile, "r");
	while ($data = fread($in, 1024))
		fwrite($out, $data);
	fclose($out);
	fclose($in);
	//apache_request_headers()
	require_once('MimeMailParser.class.php');
	$parser = new MimeMailParser();
	$parser->setPath($tmpfile);
	$id = preg_replace('/<(.*)>/', '$1',
	                   $parser->getHeader('message-id'));
	$id = str_replace('/', '', $id); // for security reasons
	$msg_file = "$BASE/msg/$id";
	rename($tmpfile, $msg_file);
	
	if (!$cmdline) {
		$m->status('201 Created');
		header("Location: ".$m->baseUrl().'messages/'.$id);
	}
	exit();
}

global $PAGE, $BASE;
$page_parts = explode('/',$PAGE);
@$msg = $page_parts[1];
if ($msg == '') {
	$m->header('Message Index');
	$t = $m->template();
	$t->tag('h1',array(),"Message Index");

	require_once('MimeMailParser.class.php');
	$parser = new MimeMailParser();
	$messages = array();
	$dh = opendir("$BASE/msg");
	while (($file = readdir($dh)) !== false) {
		$path = "$BASE/msg/$file";
		if (is_file($path)) {
			$parser->setPath($path);
			
			$date_string = $parser->getHeader('date');
			$date = strtotime($date_string);
			if (!isset($messages[$date])) $messages[$date] = array();
			$messages[$date][] =
				array('id'=>$file,
				      'subject'=>$parser->getHeader('subject'));
		}
	}
	closedir($dh);
	
	$t->openTag('table');
	foreach ($messages as $date => $message_array) {
		foreach ($message_array as $message) {
			$url = $m->baseUrl().'messages/'.$message['id'];
			$subject = htmlentities($message['subject']);
			$date_str = date('Y-m-d H:i:s',$date);
			$t->row(array(
			              $t->link($url, $subject,  true),
			              $t->link($url, $date_str, true)
			              ));
		}
	}
	$t->closeTag('table');
	
	$m->footer();
	exit();
}

@$msg_file = "$BASE/msg/$msg";
if (!is_file($msg_file)) {
	$m->status('404 Not Found');
	$m->header('Message not found | MessageManager');
	$t = $m->template();
	$t->tag('h1',array(),'404: Not Found');
	$t->paragraph('The message <q>'.htmlentities($msg).'</q> was not '.
	              'found in our database.');
	$m->footer();
	exit();
}

////////////////////////////////////////////////////////////////////////////////
// In the interest of code reusability, most of the following code is         //
// independent of message manager.  This section is stubs to bind into        //
// MessageManager.                                                            //
$msg_file = $msg_file;
$msg_id = $msg;
@$part = $page_parts[2];
@$subpart = $page_parts[3];
function url($id, $part='',$subpart='') {
	global $m;
	return $m->baseUrl().'messages/'.$id.'/'.($part?"$part/$subpart":'');
}
// With the exception of one line (tagged with XXX), the following code is    //
// not specific to MessageManager.                                            //
// At some point I may contemplate making this use the template engine, but   //
// I like the idea of it being self-standing.                                 //
////////////////////////////////////////////////////////////////////////////////

require_once('MimeMailParser.class.php');
$parser = new MimeMailParser();
$parser->setPath($msg_file);

function messageLink($id) {
	if (is_array($id)) { $id = $id[1]; }
	return '&lt;<a href="'.url($id).'">'.$id.'</a>&gt;';
}
function parseMessageIDs($string) {
	$base = $_SERVER['REQUEST_URL'];
	$safe = htmlentities($string);
	$html = preg_replace_callback(
	                     '/&lt;([^>]*)&gt;/',
	                     'messageLink',
	                     $safe);
	return $html;
}

function row($c1, $c2) {
	echo '<tr><td>'.$c1.'</td><td>'.$c2."</td></tr>\n";
}
switch ($part) {
case '': // Show a frame for all the other parts
	$m->header('View Message | MessageManager');
	$t = $m->template();
	echo "<table>\n";
	row('To:'         , htmlentities($parser->getHeader('to'         )));
	row('From:'       , htmlentities($parser->getHeader('from'       )));
	row('Subject:'    , htmlentities($parser->getHeader('subject'    )));
	row('In-Reply-to:', parseMessageIDs($parser->getHeader('in-reply-to')));
	row('References:' , parseMessageIDs($parser->getHeader('references' )));
	echo "</table>\n";
	echo "<div class='message-body'>\n";
	if ($parser->getMessageBodyPart('html')!==false) {
		echo "<h2>HTML</h2>\n";
		echo '<iframe src="'.url($msg_id,'body','html').'" ></iframe>'."\n";
	}
	if ($parser->getMessageBodyPart('text')!==false) {
		echo "<h2>Plain Text</h2>\n";
		echo '<iframe src="'.url($msg_id,'body','text').'" ></iframe>'."\n";
	}
	echo "</div>\n";
	echo "<h2>Attachments</h2>\n";
	echo "<table>\n";
	$attachments = $parser->getAttachments();
	foreach ($attachments as $id => $attachment) {
		echo "<tr>";
		echo '<td>'.htmlentities($attachment->getContentType())."</td>";
		echo '<td><a href="'.url($msg_id,'attachment',$id).'">';
		echo htmlentities($attachment->getFilename());
		echo "</a></td>";
		echo "</tr>\n";
	}
	echo "</table>\n";
	$m->footer();// XXX: this is specific to MessageManager
	break;
case 'body':
	$type = $subpart;
	switch ($type) {
	case 'text': header('Content-type: text/plain'); break;
	case 'html': header('Content-type: text/html' ); break;
	default:
	}
	echo $parser->getMessageBody($type);
	break;
case 'attachment':
	$attachment_id = $subpart;
	$attachments = $parser->getAttachments();
	$attachment = $attachments[$attachment_id];
		
	$type = $attachment->getContentType();
	$filename = $attachment->getFilename();
		
	header('Content-Type: '.$type);
	header('Content-Disposition: attachment; filename='.$filename );
	while($bytes = $attachment->read()) {
		echo $bytes;
	}
	break;
}