+
+ $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
+ if(! $contact)
+ return;
+
+ if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
+ logger('diaspora_asphoto: Ignoring this author.');
+ return 202;
+ }
+
+ $message_id = $diaspora_handle . ':' . $guid;
+ $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($message_id),
+ dbesc($guid)
+ );
+ if(count($r)) {
+ logger('diaspora_asphoto: message exists: ' . $guid);
+ return;
+ }
+
+ // allocate a guid on our system - we aren't fixing any collisions.
+ // we're ignoring them
+
+ $g = q("select * from guid where guid = '%s' limit 1",
+ dbesc($guid)
+ );
+ if(! count($g)) {
+ q("insert into guid ( guid ) values ( '%s' )",
+ dbesc($guid)
+ );
+ }
+
+ $created = unxmlify($xml->created_at);
+ $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
+
+ if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
+ $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
+ $body = scale_diaspora_images($body,false);
+ }
+ elseif($xml->image_url) {
+ $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
+ $body = scale_diaspora_images($body);
+ }
+ else {
+ logger('diaspora_asphoto: no photo url found.');
+ return;
+ }
+
+ $datarray = array();
+
+
+ $datarray['uid'] = $importer['uid'];
+ $datarray['contact-id'] = $contact['id'];
+ $datarray['wall'] = 0;
+ $datarray['guid'] = $guid;
+ $datarray['uri'] = $datarray['parent-uri'] = $message_id;
+ $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
+ $datarray['private'] = $private;
+ $datarray['parent'] = 0;
+ $datarray['owner-name'] = $contact['name'];
+ $datarray['owner-link'] = $contact['url'];
+ $datarray['owner-avatar'] = $contact['thumb'];
+ $datarray['author-name'] = $contact['name'];
+ $datarray['author-link'] = $contact['url'];
+ $datarray['author-avatar'] = $contact['thumb'];
+ $datarray['body'] = $body;
+
+ $datarray['app'] = 'Diaspora/Cubbi.es';
+
+ $message_id = item_store($datarray);
+
+ if($message_id) {
+ q("update item set plink = '%s' where id = %d limit 1",
+ dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
+ intval($message_id)
+ );
+ }
+
+ return;
+
+}
+
+
+
+
+
+
+function diaspora_comment($importer,$xml,$msg) {
+
+ $a = get_app();
+ $guid = notags(unxmlify($xml->guid));
+ $parent_guid = notags(unxmlify($xml->parent_guid));
+ $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ $target_type = notags(unxmlify($xml->target_type));
+ $text = unxmlify($xml->text);
+ $author_signature = notags(unxmlify($xml->author_signature));
+
+ $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
+
+ $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
+ if(! $contact) {
+ logger('diaspora_comment: cannot find contact: ' . $msg['author']);
+ return;
+ }
+
+ if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
+ logger('diaspora_comment: Ignoring this author.');
+ return 202;
+ }
+
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($guid)
+ );
+ if(count($r)) {
+ logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
+ return;
+ }
+
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($parent_guid)
+ );
+ if(! count($r)) {
+ logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
+ return;
+ }
+ $parent_item = $r[0];
+
+ $author_signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
+
+ $author_signature = base64_decode($author_signature);
+
+ if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
+ $person = $contact;
+ $key = $msg['key'];
+ }
+ else {
+ $person = find_diaspora_person_by_handle($diaspora_handle);
+
+ if(is_array($person) && x($person,'pubkey'))
+ $key = $person['pubkey'];
+ else {
+ logger('diaspora_comment: unable to find author details');
+ return;
+ }
+ }
+
+ if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
+ logger('diaspora_comment: verification failed.');
+ return;
+ }
+
+ if($parent_author_signature) {
+ $owner_signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
+
+ $parent_author_signature = base64_decode($parent_author_signature);
+
+ $key = $msg['key'];
+
+ if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
+ logger('diaspora_comment: owner verification failed.');
+ return;
+ }
+ }
+
+ // Phew! Everything checks out. Now create an item.
+
+ $body = diaspora2bb($text);
+
+ $message_id = $diaspora_handle . ':' . $guid;
+
+ $datarray = array();
+
+ $str_tags = '';
+
+ $tags = get_tags($body);
+
+ if(count($tags)) {
+ foreach($tags as $tag) {
+ if(strpos($tag,'#') === 0) {
+ if(strpos($tag,'[url='))
+ continue;
+ $basetag = str_replace('_',' ',substr($tag,1));
+ $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
+ if(strlen($str_tags))
+ $str_tags .= ',';
+ $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
+ continue;
+ }
+ }
+ }
+
+ $datarray['uid'] = $importer['uid'];
+ $datarray['contact-id'] = $contact['id'];
+ $datarray['wall'] = $parent_item['wall'];
+ $datarray['gravity'] = GRAVITY_COMMENT;
+ $datarray['guid'] = $guid;
+ $datarray['uri'] = $message_id;
+ $datarray['parent-uri'] = $parent_item['uri'];
+
+ // No timestamps for comments? OK, we'll the use current time.
+ $datarray['created'] = $datarray['edited'] = datetime_convert();
+ $datarray['private'] = $parent_item['private'];
+
+ $datarray['owner-name'] = $parent_item['owner-name'];
+ $datarray['owner-link'] = $parent_item['owner-link'];
+ $datarray['owner-avatar'] = $parent_item['owner-avatar'];
+
+ $datarray['author-name'] = $person['name'];
+ $datarray['author-link'] = $person['url'];
+ $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
+ $datarray['body'] = $body;
+ $datarray['tag'] = $str_tags;
+
+ // We can't be certain what the original app is if the message is relayed.
+ if(($parent_item['origin']) && (! $parent_author_signature))
+ $datarray['app'] = 'Diaspora';
+
+ $message_id = item_store($datarray);
+
+ if($message_id) {
+ q("update item set plink = '%s' where id = %d limit 1",
+ dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
+ intval($message_id)
+ );
+ }
+
+ if(($parent_item['origin']) && (! $parent_author_signature)) {
+ q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($message_id),
+ dbesc($author_signed_data),
+ dbesc(base64_encode($author_signature)),
+ dbesc($diaspora_handle)
+ );
+
+ // if the message isn't already being relayed, notify others
+ // the existence of parent_author_signature means the parent_author or owner
+ // is already relaying.
+
+ proc_run('php','include/notifier.php','comment',$message_id);
+ }
+ return;
+}
+
+
+
+
+function diaspora_conversation($importer,$xml,$msg) {
+
+ $a = get_app();
+
+ $guid = notags(unxmlify($xml->guid));
+ $subject = notags(unxmlify($xml->subject));
+ $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ $participant_handles = notags(unxmlify($xml->participant_handles));
+ $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
+
+ $parent_uri = $diaspora_handle . ':' . $guid;
+
+ $messages = $xml->message;
+
+ if(! count($messages)) {
+ logger('diaspora_conversation: empty conversation');
+ return;
+ }
+
+ $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
+ if(! $contact) {
+ logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
+ return;
+ }
+
+ if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
+ logger('diaspora_conversation: Ignoring this author.');
+ return 202;
+ }
+
+ $conversation = null;
+
+ $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
+ intval($importer['uid']),
+ dbesc($guid)
+ );
+ if(count($c))
+ $conversation = $c[0];
+ else {
+ $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
+ intval($importer['uid']),
+ dbesc($guid),
+ dbesc($diaspora_handle),
+ dbesc(datetime_convert('UTC','UTC',$created_at)),
+ dbesc(datetime_convert()),
+ dbesc($subject),
+ dbesc($participant_handles)
+ );
+ if($r)
+ $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
+ intval($importer['uid']),
+ dbesc($guid)
+ );
+ if(count($c))
+ $conversation = $c[0];
+ }
+ if(! $conversation) {
+ logger('diaspora_conversation: unable to create conversation.');
+ return;
+ }
+
+ foreach($messages as $mesg) {
+
+ $reply = 0;
+
+ $msg_guid = notags(unxmlify($mesg->guid));
+ $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
+ $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
+ $msg_author_signature = notags(unxmlify($mesg->author_signature));
+ $msg_text = unxmlify($mesg->text);
+ $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
+ $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
+ $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
+ if($msg_conversation_guid != $guid) {
+ logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
+ continue;
+ }
+
+ $body = diaspora2bb($msg_text);
+ $message_id = $msg_diaspora_handle . ':' . $msg_guid;
+
+ $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
+
+ $author_signature = base64_decode($msg_author_signature);
+
+ if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
+ $person = $contact;
+ $key = $msg['key'];
+ }
+ else {
+ $person = find_diaspora_person_by_handle($msg_diaspora_handle);
+
+ if(is_array($person) && x($person,'pubkey'))
+ $key = $person['pubkey'];
+ else {
+ logger('diaspora_conversation: unable to find author details');
+ continue;
+ }
+ }
+
+ if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
+ logger('diaspora_conversation: verification failed.');
+ continue;
+ }
+
+ if($msg_parent_author_signature) {
+ $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
+
+ $parent_author_signature = base64_decode($msg_parent_author_signature);
+
+ $key = $msg['key'];
+
+ if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
+ logger('diaspora_conversation: owner verification failed.');
+ continue;
+ }
+ }
+
+ $r = q("select id from mail where `uri` = '%s' limit 1",
+ dbesc($message_id)
+ );
+ if(count($r)) {
+ logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
+ continue;
+ }
+
+ q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
+ intval($importer['uid']),
+ dbesc($msg_guid),
+ intval($conversation['id']),
+ dbesc($person['name']),
+ dbesc($person['photo']),
+ dbesc($person['url']),
+ intval($contact['id']),
+ dbesc($subject),
+ dbesc($body),
+ 0,
+ 0,
+ dbesc($message_id),
+ dbesc($parent_uri),
+ dbesc($msg_created_at)
+ );
+
+ q("update conv set updated = '%s' where id = %d limit 1",
+ dbesc(datetime_convert()),
+ intval($conversation['id'])
+ );
+
+ require_once('include/enotify.php');
+ notification(array(
+ 'type' => NOTIFY_MAIL,
+ 'notify_flags' => $importer['notify-flags'],
+ 'language' => $importer['language'],
+ 'to_name' => $importer['username'],
+ 'to_email' => $importer['email'],
+ 'item' => array('subject' => $subject, 'body' => $body),
+ 'source_name' => $person['name'],
+ 'source_link' => $person['url'],
+ 'source_photo' => $person['thumb'],
+ 'verb' => ACTIVITY_POST,
+ 'otype' => 'mail'
+ ));
+ }
+
+ return;
+}
+
+function diaspora_message($importer,$xml,$msg) {
+
+ $a = get_app();
+
+ $msg_guid = notags(unxmlify($xml->guid));
+ $msg_parent_guid = notags(unxmlify($xml->parent_guid));
+ $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
+ $msg_author_signature = notags(unxmlify($xml->author_signature));
+ $msg_text = unxmlify($xml->text);
+ $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
+ $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
+
+ $parent_uri = $diaspora_handle . ':' . $msg_parent_guid;
+
+ $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
+ if(! $contact) {
+ logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
+ return;
+ }
+
+ if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
+ logger('diaspora_message: Ignoring this author.');
+ return 202;
+ }
+
+ $conversation = null;
+
+ $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
+ intval($importer['uid']),
+ dbesc($msg_conversation_guid)
+ );
+ if(count($c))
+ $conversation = $c[0];
+ else {
+ logger('diaspora_message: conversation not available.');
+ return;
+ }
+
+ $reply = 0;
+
+ $body = diaspora2bb($msg_text);
+ $message_id = $msg_diaspora_handle . ':' . $msg_guid;
+
+ $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
+
+
+ $author_signature = base64_decode($msg_author_signature);
+
+ $person = find_diaspora_person_by_handle($msg_diaspora_handle);
+ if(is_array($person) && x($person,'pubkey'))
+ $key = $person['pubkey'];
+ else {
+ logger('diaspora_message: unable to find author details');
+ return;
+ }
+
+ if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
+ logger('diaspora_message: verification failed.');
+ return;
+ }
+
+ $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
+ dbesc($message_id),
+ intval($importer['uid'])
+ );
+ if(count($r)) {
+ logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
+ return;
+ }
+
+ q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
+ intval($importer['uid']),
+ dbesc($msg_guid),
+ intval($conversation['id']),
+ dbesc($person['name']),
+ dbesc($person['photo']),
+ dbesc($person['url']),
+ intval($contact['id']),
+ dbesc($conversation['subject']),
+ dbesc($body),
+ 0,
+ 1,
+ dbesc($message_id),
+ dbesc($parent_uri),
+ dbesc($msg_created_at)
+ );
+
+ q("update conv set updated = '%s' where id = %d limit 1",
+ dbesc(datetime_convert()),
+ intval($conversation['id'])
+ );
+
+ return;
+}
+
+
+function diaspora_photo($importer,$xml,$msg) {
+
+ $a = get_app();
+ $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
+
+ $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
+
+ $status_message_guid = notags(unxmlify($xml->status_message_guid));
+
+ $guid = notags(unxmlify($xml->guid));
+
+ $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+
+ $public = notags(unxmlify($xml->public));
+
+ $created_at = notags(unxmlify($xml_created_at));
+
+
+ $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
+ if(! $contact)
+ return;
+
+ if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
+ logger('diaspora_photo: Ignoring this author.');
+ return 202;
+ }
+
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($status_message_guid)
+ );
+ if(! count($r)) {
+ logger('diaspora_photo: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
+ return;
+ }
+ $parent_item = $r[0];
+
+ $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
+
+ $link_text = scale_diaspora_images($link_text);
+
+ if(strpos($parent_item['body'],$link_text) === false) {
+ $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
+ dbesc($link_text . $parent_item['body']),
+ intval($parent_item['id']),
+ intval($parent_item['uid'])
+ );
+ }
+
+ return;
+}
+
+
+
+
+function diaspora_like($importer,$xml,$msg) {
+
+ $a = get_app();
+ $guid = notags(unxmlify($xml->guid));
+ $parent_guid = notags(unxmlify($xml->parent_guid));
+ $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ $target_type = notags(unxmlify($xml->target_type));