From 9a3f73a672d657f71470d2d1b7a42321b42f5e34 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@prodromou.name>
Date: Thu, 17 Jul 2008 09:25:33 -0400
Subject: mailer daemon start

darcs-hash:20080717132533-84dde-4ada5d4a103d92b9767726e723b26246205b9cbd.gz
---
 maildaemon.php | 155 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100755 maildaemon.php

(limited to 'maildaemon.php')

diff --git a/maildaemon.php b/maildaemon.php
new file mode 100755
index 000000000..cd6287557
--- /dev/null
+++ b/maildaemon.php
@@ -0,0 +1,155 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+# Abort if called from a web server
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+	print "This script must be run from the command line\n";
+	exit();
+}
+
+define('INSTALLDIR', dirname(__FILE__));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+require_once(INSTALLDIR . '/lib/mail.php');
+require_once('Mail/mimeDecode.php');
+
+class MailerDaemon {
+	
+	function __construct() {
+	}
+	
+	function save_message($fname='php://stdin') {
+		list($from, $to, $msg) = $this->parse_message($fname);
+		if (!$from || !$to || !$msg) {
+			$this->error(NULL, _t('Could not parse message.'));
+		}
+		$user = User::staticGet('email', common_canonical_email($from));
+		if (!$user) {
+			$this->error($from, _('Not a registered user.'));
+			return false;
+		}
+		if ($user->incomingemail != common_canonical_email($to)) {
+			$this->error($from, _('Sorry, that is not your incoming email address.'));
+		}
+		$response = $this->handle_command($user, $msg);
+		if ($response) {
+			$this->respond($from, $to, $response);
+		}
+		$this->add_notice($user, $msg);
+	}
+
+	function error($from, $msg) {
+		file_put_contents("php://stderr", $msg);
+		exit(1);
+	}
+
+	function respond($from, $to, $response) {
+
+		$headers['From'] = $to;
+		$headers['To'] = $from;
+		$headers['Subject'] = "Command complete";
+
+		return mail_send(array($from), $headers, $response);
+	}
+	
+	function log($level, $msg) {
+		common_log($level, 'MailDaemon: '.$msg);
+	}
+	
+	function add_notice($user, $msg) {
+		$notice = new Notice();
+		$notice->profile_id = $user->id;
+		$notice->content = trim(substr($msg, 0, 140));
+		$notice->rendered = common_render_content($notice->content, $notice);
+		$notice->created = DB_DataObject_Cast::dateTime();
+		$notice->query('BEGIN');
+		$id = $notice->insert();
+		if (!$id) {
+			$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
+			$this->log(LOG_ERROR,
+					   'Could not insert ' . common_log_objstring($notice) .
+					   ' for user ' . common_log_objstring($user) .
+					   ': ' . $last_error->message);
+			return;
+		}
+		$orig = clone($notice);
+		$notice->uri = common_notice_uri($notice);
+		$result = $notice->update($orig);
+		if (!$result) {
+			$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
+			$this->log(LOG_ERROR,
+					   'Could not add URI to ' . common_log_objstring($notice) .
+					   ' for user ' . common_log_objstring($user) .
+					   ': ' . $last_error->message);
+			return;
+		}
+		$notice->query('COMMIT');
+        common_save_replies($notice);	
+		common_real_broadcast($notice);
+		$this->log(LOG_INFO,
+				   'Added notice ' . $notice->id . ' from user ' . $user->nickname);
+	}
+	
+	function parse_message($fname) {
+		$contents = file_get_contents($fname);
+		$parsed = Mail_mimeDecode::decode(array('input' => $contents,
+												'include_bodies' => true,
+												'decode_headers' => true,
+												'decode_bodies' => true));
+		if (!$parsed) {
+			return NULL;
+		}
+		$from = $parsed->headers['from'];
+		$to = $parsed->headers['to'];
+		
+		switch ($parsed->ctype_primary) {
+		 case 'multitype':
+			# try and find a text/plain in the mix
+			foreach ($parsed->parts as $part) {
+				if ($part->ctype_primary == 'text' &&
+					$part->ctype_secondary == 'plain') {
+					$msg = $part->body;
+					break;
+				}
+			}
+			break;
+		 case 'text':
+			switch ($parsed->ctype_secondary) {
+			 case 'plain':
+				$msg = $parsed->body;
+				break;
+			 default:
+				$this->unsupported_type();
+			}
+		 default:
+			$this->unsupported_type();
+		}
+		
+		return array($from, $to, $msg);
+	}
+	
+	function unsupported_type() {
+		$this->error("Unsupported message type");
+	}
+}
+
+$md = new MailerDaemon();
+$md->handle_message('php://stdin');
\ No newline at end of file
-- 
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