<?php
// (c) Copyright 2002-2010 by authors of the Tiki Wiki/CMS/Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: tiki-mailin-code.php 28986 2010-09-06 21:45:34Z pkdille $

require_once ('tiki-setup.php');
$access->check_script($_SERVER["SCRIPT_NAME"], basename(__FILE__));
include_once ('lib/mailin/mailinlib.php');
require_once ("lib/webmail/net_pop3.php");
include_once ("lib/webmail/class.rc4crypt.php");
include_once ("lib/mail/mimelib.php");
include_once ("lib/webmail/tikimaillib.php");
include_once ('lib/wiki/wikilib.php');
function mailin_check_attachments(&$output, &$out, $page, $user) {
	global $wikilib;
	$cnt = 0;
	if (!isset($output["parts"])) return;
	
	for ($it = 0, $count_outputparts = count($output['parts']); $it < $count_outputparts; $it++) {
		if (isset($output["parts"][$it]["d_parameters"]["filename"])) {
			$attachmentPart = $output["parts"][$it];
			$fileName = $attachmentPart["d_parameters"]["filename"];
			if (isset($attachmentPart["ctype_primary"])) $fileType = $attachmentPart["ctype_primary"] . "/" . $attachmentPart["ctype_secondary"];
			else $fileType = "";
			$fileData = $attachmentPart["body"];
			$fileSize = strlen($fileData);
			$wikilib->wiki_attach_file($page, $fileName, $fileType, $fileSize, $fileData, "attached by mail", $user, "");
			$cnt++;
		}
	}
	$out.= $cnt;
	$out.= " attachment(s) added<br />";
}
function mailin_get_body($output) {
	if (isset($output['text'][0])) $body = $output["text"][0];
	elseif (isset($output['parts'][0]) && isset($output['parts'][0]["text"][0])) $body = $output['parts'][0]["text"][0];
	elseif (isset($output['parts'][0]) && isset($output['parts'][0]['parts'][0]) && isset($output['parts'][0]['parts'][0]["text"][0])) $body = $output['parts'][0]['parts'][0]["text"][0];
	else $body = '';
	return $body;
}
/**
 * The tiki-mailin.php script is used to get / set wiki pages or articles
 * using a POP email account.
 */
global $debugger;
if (defined($debugger)) $debugger->msg("tiki-mailin-code.php");
// Get a list of ACTIVE emails accounts configured for mailin procedures
$accs = $mailinlib->list_active_mailin_accounts(0, -1, 'account_desc', '');

if (empty($accs['data'])) {
	$content = '';
	return;
}
$content = '<br /><br />';
// foreach account
foreach($accs['data'] as $acc) {
	$content.= "<b>Processing account</b><br />";
	$content.= "Account :" . $acc['account'] . "<br />";
	$content.= "Type    :" . $acc['type'] . "<br />";
	$content.= "--------------------------<br />";

	$pop3 = new Net_Pop3();
	$content.= "Connecting...";
	if ($pop3->connect($acc["pop"], $acc["port"])) {
		$content.= "OK.<br />";
		$content.= "Logging in...";
		if ($status = ($pop3->login($acc["username"], $acc["pass"], "USER")) !== FALSE) {
			$content.= "OK (" . $status . ").<br />";
			if (defined($debugger)) $debugger->msg("Logged in, status " . $status);
		} else {
			$content.= "FAILED.<br />";
			if (defined($debugger)) {
				$debugger->msg("Login failed, status " . $status);
				$debugger->msg("dump of pop3:");
				$debugger->var_dump('$pop3');
			}
		}
		$mailsum = $pop3->numMsg();
		if ($mailsum === FALSE) {
			$content.= "No messages.<br />";
			if (defined($debugger)) {
				$debugger->msg("No messages.");
				$debugger->msg("dump of pop3:");
				$debugger->var_dump('$pop3');
			}
		} else {
			$content.= "Messages:" . $mailsum . "<br />";
			for ($i = 1; $i <= $mailsum; $i++) {
				$aux = $pop3->getParsedHeaders($i);
				if ($aux === FALSE) {
					$content.= "Headers not parsed.<br />";
				} else { // else $aux not FALSE
					if (!isset($aux["From"])) $aux['From'] = $aux['Return-path'];
					preg_match('/<?([-!#$%&\'*+\.\/0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\.\/0-9=?A-Z^_`a-z{|}~]+)>?/', $aux["From"], $mail);
					$email_from = $mail[1];
					$aux["msgid"] = $i;
					$aux["realmsgid"] = preg_replace('/[<>]/', '', $aux["Message-ID"]);
					$message = $pop3->getMsg($i);
					$output = mime::decode($message);

					$content.= "Reading a request.<br />From: " . $aux["From"] . "<br />Subject: " . $output['header']['subject'] . "<br />";
					$content.= "sender email: " . $email_from . "<br />";
					$aux["sender"]["user"] = $userlib->get_user_by_email($email_from);
					$content.= "sender user: " . $aux["sender"]["user"] . "<br />";
					$cantUseMailIn = $acc["anonymous"] == 'n' && empty($aux["sender"]["user"]);
					if ($cantUseMailIn) {
						$content.= "Anonymous user acces denied, sending auto-reply to email address:&nbsp;" . $aux["From"] . "<br />";
						$mail = new TikiMail();
						$mail->setFrom($acc["account"]);
						$c = $prefs['default_mail_charset'];
						$mail->setHeadCharset($c);
						$mail->setTextCharset($c);
						$l = $prefs['language'];
						$mail->setSubject(tra('Tiki mail-in auto-reply', $l));
						$mail->setSMTPParams($acc["smtp"], $acc["smtpPort"], '', $acc["useAuth"], $acc["username"], $acc["pass"]);
						$mail->setText(tra("Sorry, you can't use this feature.", $l));
						$res = $mail->send(array($email_from), 'mail');
						$content.= "Response sent<br />";
					} else {
						if (empty($aux["sender"]["user"])) $aux["sender"]["user"] = $email_from;
						if (empty($aux["sender"]["name"])) $aux["sender"]["name"] = $email_from;
						if ($acc['type'] == 'article-put') {
							// This is used to CREATE articles
							$title = trim($output['header']['subject']);
							$msgbody = mailin_get_body($output);
							if ($msgbody && isset($acc['discard_after'])) {
								$msgbody = preg_replace("/" . $acc['discard_after'] . ".*$/s", "", $msgbody);
							}
							$heading = $msgbody;
							$topicId = $acc['article_topicId'];
							$userm = $aux['sender']['user'];
							$authorName = $userm;
							$body = '';
							$publishDate = $tikilib->now;
							$cur_time = explode(',', $tikilib->date_format('%Y,%m,%d,%H,%M,%S', $publishDate));
							$expireDate = $tikilib->make_time($cur_time[3], $cur_time[4], $cur_time[5], $cur_time[1], $cur_time[2], $cur_time[0] + 1);
							$subId = 0;
							$type = $acc['article_type'];
							$useImage = 'n';
							$image_x = '';
							$image_y = '';
							$imgname = '';
							$imgsize = '';
							$imgtype = '';
							$imgdata = '';
							$topline = '';
							$subtitle = '';
							$linkto = '';
							$image_caption = '';
							$lang = '';
							$rating = 7;
							$isfloat = 'n';
							global $artlib;
							if (!is_object($artlib)) {
								include_once ('lib/articles/artlib.php');
							}
							$subid = $artlib->replace_submission($title, $authorName, $topicId, $useImage, $imgname, $imgsize, $imgtype, $imgdata, $heading, $body, $publishDate, $expireDate, $userm, $subId, $image_x, $image_y, $type, $topline, $subtitle, $linkto, $image_caption, $lang, $rating, $isfloat);
							global $tiki_p_autoapprove_submission;
							if ($tiki_p_autoapprove_submission == 'y') {
								$artlib->approve_submission($subid);
								$content.= "Article: $title has been submitted<br />";
							} else {
								$content.= "Article: $title has been created<br />";
							}
						} else { //else if ($acc['type'] == 'article-put')
							if ($acc['type'] == 'wiki') {
								$p_page = trim($aux['Subject']);
								$parts = explode(':', $p_page);
								if (!isset($parts[1])) {
									$parts[1] = $parts[0];
									$parts[0] = 'GET';
								}
								$method = $parts[0];
								$page = $parts[1];
							} else {
								$page = trim($aux['Subject']);
							}
							if ($acc['type'] == 'wiki-get' || ($acc['type'] == 'wiki' && $method == "GET")) {
								// A wiki-get account sends a copy of the page to the sender
								// and also sends the source of the page
								$mail = new TikiMail();
								$mail->setFrom($acc["account"]);
								$c = $prefs['default_mail_charset'];
								$mail->setHeadCharset($c);
								$mail->setHtmlCharset($c);
								$mail->setTextCharset($c);
								$mail->setSMTPParams($acc["smtp"], $acc["smtpPort"], '', $acc["useAuth"], $acc["username"], $acc["pass"]);
								if ($tikilib->page_exists($page)) {
									$mail->setSubject($page);
									$info = $tikilib->get_page_info($page);
									$data = $tikilib->parse_data($info["data"]);
									$mail->addAttachment($info['data'], 'source.txt', 'plain/txt');
									$mail->setHTML($data, strip_tags($data));
								} else {
									$l = $prefs['language'];
									$mail_data = $smarty->fetchLang($l, "mail/mailin_reply_subject.tpl");
									$mail->setSubject($mail_data . $page);
								}
								$res = $mail->send(array($email_from), 'mail');
								$content.= "Response sent<br />";
							} //end if ($acc['type'] == 'wiki-get' || ($acc['type'] == 'wiki' && $method == "GET"))
							elseif ($acc['type'] == 'wiki-put' || ($acc['type'] == 'wiki' && $method == "PUT")) {
								// This is used to UPDATE wiki pages
								$body = mailin_get_body($output);
								if (isset($acc['discard_after']) && $body) {
									$body = preg_replace("/" . $acc['discard_after'] . ".*$/s", "", $body);
								}
								if (!empty($body)) {
									if (!$tikilib->page_exists($page)) {
										$content.= "Page: $page has been created<br />";
										$tikilib->create_page($page, 0, $body, $tikilib->now, "Created from " . $acc["account"], $aux["sender"]["user"], '0.0.0.0', '');
									} else {
										$tikilib->update_page($page, $body, "Created from " . $acc["account"], $aux["sender"]["user"], '0.0.0.0', '');
										$content.= "Page: $page has been updated";
									}
								}
								mailin_check_attachments($output, $content, $page, $aux["sender"]["user"]);
							} elseif ($acc['type'] == 'wiki-put' || ($acc['type'] == 'wiki' && $method == "PUT")) {
							} elseif ($acc['type'] == 'wiki-append' || $acc['type'] == 'wiki-prepend' || ($acc['type'] == 'wiki' && $method == "APPEND") || ($acc['type'] == 'wiki' && $method == "PREPEND")) {
								// This is used to UPDATE wiki pages
								$body = mailin_get_body($output);
								if ($body && isset($acc['discard_after'])) {
									$body = preg_replace("/" . $acc['discard_after'] . ".*$/s", "", $body);
								}
								if (isset($body)) {
									if (!$tikilib->page_exists($page)) {
										$content.= "Page: $page has been created<br />";
										$tikilib->create_page($page, 0, $body, $tikilib->now, "Created from " . $acc["account"], $aux["sender"]["user"], '0.0.0.0', '');
									} else {
										$info = $tikilib->get_page_info($page);
										if ($acc['type'] == 'wiki-append' || $acc['type'] == 'wiki' && $method == "APPEND") $body = $info['data'] . $body;
										else $body = $body . $info['data'];
										$tikilib->update_page($page, $body, "Updated from " . $acc["account"], $aux["sender"]["user"], '0.0.0.0', '');
										$content.= "Page: $page has been updated";
									}
								}
								mailin_check_attachments($output, $content, $page, $aux["sender"]["user"]);
							}
							else {
								$mail = new TikiMail();
								$mail->setFrom($acc["account"]);
								$c = $prefs['default_mail_charset'];
								$mail->setHeadCharset($c);
								$mail->setTextCharset($c);
								$l = $prefs['language'];
								$mail_data = $smarty->fetchLang($l, "mail/mailin_help_subject.tpl");
								$mail->setSubject($mail_data);
								$mail->setSMTPParams($acc["smtp"], $acc["smtpPort"], '', $acc["useAuth"], $acc["username"], $acc["pass"]);
								$smarty->assign('subject', $output['header']['subject']);
								$mail_data = $smarty->fetchLang($l, "mail/mailin_help.tpl");
								$mail->setText($mail_data);
								$res = $mail->send(array($email_from), 'mail');
							}
						}
						
					}
					// Remove the email from the pop3 server
					$pop3->deleteMsg($i);
				}
				
			}
			
		}
		
	} else {
		$content.= "FAILED.<br />";
	}
	$pop3->disconnect();
	
}
