From 27cbb830a7bd72f13181acc5999a6bed4f74f5ae Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Fri, 15 Apr 2011 23:40:43 -0700
Subject: [PATCH] more work on email contacts

---
 boot.php                        |   2 +-
 database.sql                    |   4 ++
 include/{imap.php => email.php} |  29 ++++----
 include/poller.php              | 113 +++++++++++++++++++++-----------
 update.php                      |   9 +++
 5 files changed, 105 insertions(+), 52 deletions(-)
 rename include/{imap.php => email.php} (83%)

diff --git a/boot.php b/boot.php
index 0c2c3163b5..eeaf513984 100644
--- a/boot.php
+++ b/boot.php
@@ -4,7 +4,7 @@ set_time_limit(0);
 
 define ( 'FRIENDIKA_VERSION',      '2.1.950' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.21'    );
-define ( 'DB_UPDATE_VERSION',      1051      );
+define ( 'DB_UPDATE_VERSION',      1052      );
 
 define ( 'EOL',                    "<br />\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
diff --git a/database.sql b/database.sql
index b88e5e5ff9..e134d74381 100644
--- a/database.sql
+++ b/database.sql
@@ -64,6 +64,7 @@ CREATE TABLE IF NOT EXISTS `contact` (
   `issued-id` char(255) NOT NULL,
   `dfrn-id` char(255) NOT NULL,
   `url` char(255) NOT NULL,
+  `addr` char(255) NOT NULL,
   `alias` char(255) NOT NULL,
   `pubkey` text NOT NULL,
   `prvkey` text NOT NULL,
@@ -508,6 +509,9 @@ CREATE TABLE IF NOT EXISTS `mailacct` (
 `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
 `uid` INT NOT NULL,
 `server` CHAR( 255 ) NOT NULL ,
+`port` INT NOT NULL,
+`ssltype` CHAR( 16 ) NOT NULL,
+`mailbox` CHAR( 255 ) NOT NULL,
 `user` CHAR( 255 ) NOT NULL ,
 `pass` CHAR( 255 ) NOT NULL ,
 `reply_to` CHAR( 255 ) NOT NULL ,
diff --git a/include/imap.php b/include/email.php
similarity index 83%
rename from include/imap.php
rename to include/email.php
index 018727639a..c7a006da0b 100644
--- a/include/imap.php
+++ b/include/email.php
@@ -1,28 +1,31 @@
 <?php
 
-
-function f9_imap_connect($mailbox,$username,$password) {
-
+function email_connect($mailbox,$username,$password) {
 	if(! (local_user() && function_exists('imap_open')))
 		return false;
 
 	$mbox = imap_open($mailbox,$username,$password);
 
 	return $mbox;
-	
 }
 
+function email_poll($mbox,$email_addr) {
 
-function f9_imap_poll_from($mbox,$str) {
-
-	if(! ($mbox && $str))
+	if(! ($mbox && $email_addr))
 		return false;
 
-	$search = imap_search($mbox,'FROM "' . $str . '"', SE_UID);
-
+	$search = imap_search($mbox,'FROM "' . $email_addr . '"', SE_UID);
 	return $search;
 }
-	
+
+
+function construct_mailbox_name($mailacct) {
+	$ret = '{' . $mailacct['server'] . (($mailacct['port']) ? ':' . $mailacct['port'] : '');
+	$ret .= (($mailacct['ssltype']) ?  '/' . $mailacct['ssltype'] . '/novalidate-cert' : '');
+	$ret .= '}' . $mailacct['mailbox'];
+	return $ret;
+}
+
 
 function getmsg($mbox,$mid) {
     // input $mbox = IMAP stream, $mid = message id
@@ -84,9 +87,9 @@ function getpart($mbox,$mid,$p,$partno) {
         // Messages may be split in different parts because of inline attachments,
         // so append parts together with blank row.
         if (strtolower($p->subtype)=='plain')
-            $plainmsg. = trim($data) ."\n\n";
+            $plainmsg .= trim($data) ."\n\n";
         else
-            $htmlmsg. = $data ."<br><br>";
+            $htmlmsg .= $data ."<br><br>";
         $charset = $params['charset'];  // assume all parts are same charset
     }
 
@@ -96,7 +99,7 @@ function getpart($mbox,$mid,$p,$partno) {
     // 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. = $data."\n\n";
+        $plainmsg .= $data."\n\n";
     }
 
     // SUBPART RECURSION
diff --git a/include/poller.php b/include/poller.php
index b878ef2954..37109f17d4 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -1,4 +1,5 @@
 <?php
+
 require_once("boot.php");
 
 function poller_run($argv, $argc){
@@ -15,11 +16,14 @@ function poller_run($argv, $argc){
     	unset($db_host, $db_user, $db_pass, $db_data);
   	};
 
+	$mbox = null;
+
 	require_once('session.php');
 	require_once('datetime.php');
 	require_once('simplepie/simplepie.inc');
 	require_once('include/items.php');
 	require_once('include/Contact.php');
+	require_once('include/email.php');
 
 	$a->set_baseurl(get_config('system','url'));
 
@@ -85,6 +89,9 @@ function poller_run($argv, $argc){
 			continue;
 
 		foreach($res as $contact) {
+
+			$xml = false;
+
 			if($manual_id)
 				$contact['last-update'] = '0000-00-00 00:00:00';
 
@@ -158,7 +165,7 @@ function poller_run($argv, $argc){
 				: datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
 			);
 
-			if($contact['network'] === 'dfrn') {
+			if($contact['network'] === NETWORK_DFRN) {
 
 				$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 
@@ -175,12 +182,12 @@ function poller_run($argv, $argc){
 					. '&type=data&last_update=' . $last_update 
 					. '&perm=' . $perm ;
 	
-				$xml = fetch_url($url);
+				$handshake_xml = fetch_url($url);
 
-				logger('poller: handshake with url ' . $url . ' returns xml: ' . $xml, LOGGER_DATA);
+				logger('poller: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 
 
-				if(! $xml) {
+				if(! $handshake_xml) {
 					logger("poller: $url appears to be dead - marking for death ");
 					// dead connection - might be a transient event, or this might
 					// mean the software was uninstalled or the domain expired. 
@@ -197,7 +204,7 @@ function poller_run($argv, $argc){
 					continue;
 				}
 
-				if(! strstr($xml,'<?xml')) {
+				if(! strstr($handshake_xml,'<?xml')) {
 					logger('poller: response from ' . $url . ' did not contain XML.');
 					$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
 						dbesc(datetime_convert()),
@@ -207,7 +214,7 @@ function poller_run($argv, $argc){
 				}
 
 
-				$res = parse_xml_string($xml);
+				$res = parse_xml_string($handshake_xml);
 	
 				if(intval($res->status) == 1) {
 					logger("poller: $url replied status 1 - marking for death ");
@@ -265,51 +272,81 @@ function poller_run($argv, $argc){
 
 				$xml = post_url($contact['poll'],$postvars);
 			}
-			else {
+			elseif(($contact['network'] === NETWORK_OSTATUS) 
+				|| ($contact['network'] === NETWORK_DIASPORA)
+				|| ($contact['network'] === NETWORK_FEED) ) {
 
-				// $contact['network'] !== 'dfrn'
+				// Upgrading DB fields from an older Friendika version
+				// Will only do this once per notify-enabled OStatus contact
 
 				if(($contact['notify']) && (! $contact['writable'])) {
 					q("UPDATE `contact` SET `writable` = 1 WHERE `id` = %d LIMIT 1",
 						intval($contact['id'])
 					);
 				}
+
 				$xml = fetch_url($contact['poll']);
 			}
-
-			logger('poller: received xml : ' . $xml, LOGGER_DATA);
-
-			if(! strstr($xml,'<?xml')) {
-				logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
-				$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
-					dbesc(datetime_convert()),
-					intval($contact['id'])
-				);
-				continue;
-			}
-
-
-			consume_feed($xml,$importer,$contact,$hub,1, true);
-
-			// do it twice. Ensures that children of parents which may be later in the stream aren't tossed
-
-			consume_feed($xml,$importer,$contact,$hub,1);
-
-
-			if((strlen($hub)) && ($hub_update) 
-				&& (($contact['rel'] == REL_BUD) || (($contact['network'] === 'stat') && (! $contact['readonly'])))) {
-				logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
-				$hubs = explode(',', $hub);
-				if(count($hubs)) {
-					foreach($hubs as $h) {
-						$h = trim($h);
-						if(! strlen($h))
-							continue;
-						subscribe_to_hub($h,$importer,$contact);
+			elseif($contact['network'] === NETWORK_MAIL) {
+				if(! $mbox) {
+					$x = q("SELECT `prvkey` FROM `user` WHERE `uid` = $d LIMIT 1",
+						intval($importer_uid)
+					);
+					$r = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
+						intval($importer_uid)
+					);
+					if(count($x) && count($r)) {
+					    $mailbox = construct_mailbox_name($r[0]);
+						$password = '';
+						openssl_private_decrypt($r[0]['pass'],$password,$x[0]['prvkey']);
+						$mbox = email_connect($mailbox,$r[0]['user'],$password);
+						unset($password);
+					}
+				}
+				if($mbox) {
+					$msgs = email_poll($mbox,$contact['addr']);
+					if(count($msgs)) {
+							// TODO: loop through, fetch, check duplicates, and import
 					}
 				}
 			}
+			elseif($contact['network'] === NETWORK_FACEBOOK) {
+				// TODO: work in progress			
+			}
 
+			if($xml) {
+				logger('poller: received xml : ' . $xml, LOGGER_DATA);
+
+				if(! strstr($xml,'<?xml')) {
+					logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
+					$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+						dbesc(datetime_convert()),
+						intval($contact['id'])
+					);
+					continue;
+				}
+
+
+				consume_feed($xml,$importer,$contact,$hub,1, true);
+
+				// do it twice. Ensures that children of parents which may be later in the stream aren't tossed
+	
+				consume_feed($xml,$importer,$contact,$hub,1);
+
+
+				if((strlen($hub)) && ($hub_update) && (($contact['rel'] == REL_BUD) || (($contact['network'] === NETWORK_OSTATUS) && (! $contact['readonly'])))) {
+					logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
+					$hubs = explode(',', $hub);
+					if(count($hubs)) {
+						foreach($hubs as $h) {
+							$h = trim($h);
+							if(! strlen($h))
+								continue;
+							subscribe_to_hub($h,$importer,$contact);
+						}
+					}
+				}
+			}
 
 			$updated = datetime_convert();
 
diff --git a/update.php b/update.php
index 763b8f267a..35f4364e40 100644
--- a/update.php
+++ b/update.php
@@ -460,3 +460,12 @@ function update_1050() {
 	) ENGINE = MYISAM ");
 
 }
+
+function update_1051() {
+	q("ALTER TABLE `mailacct` ADD `port` INT NOT NULL AFTER `server` ,
+		ADD `ssltype` CHAR( 16 ) NOT NULL AFTER `port` ,
+		ADD `mailbox` CHAR( 255 ) NOT NULL AFTER `ssltype` ");
+
+	q("ALTER TABLE `contact` ADD `addr` CHAR( 255 ) NOT NULL AFTER `url` ");
+}
+