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-rw-r--r--Zotlabs/Module/Item.php1265
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diff --git a/Zotlabs/Module/Item.php b/Zotlabs/Module/Item.php
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+<?php
+namespace Zotlabs\Module;
+
+/**
+ *
+ * This is the POST destination for most all locally posted
+ * text stuff. This function handles status, wall-to-wall status,
+ * local comments, and remote coments that are posted on this site
+ * (as opposed to being delivered in a feed).
+ * Also processed here are posts and comments coming through the
+ * statusnet/twitter API.
+ * All of these become an "item" which is our basic unit of
+ * information.
+ * Posts that originate externally or do not fall into the above
+ * posting categories go through item_store() instead of this function.
+ *
+ */
+
+require_once('include/crypto.php');
+require_once('include/enotify.php');
+require_once('include/items.php');
+require_once('include/attach.php');
+
+
+class Item extends \Zotlabs\Web\Controller {
+
+ function post() {
+
+ // This will change. Figure out who the observer is and whether or not
+ // they have permission to post here. Else ignore the post.
+
+ if((! local_channel()) && (! remote_channel()) && (! x($_REQUEST,'commenter')))
+ return;
+
+ require_once('include/security.php');
+
+ $uid = local_channel();
+ $channel = null;
+ $observer = null;
+
+
+ /**
+ * Is this a reply to something?
+ */
+
+ $parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
+ $parent_mid = ((x($_REQUEST,'parent_mid')) ? trim($_REQUEST['parent_mid']) : '');
+
+ $remote_xchan = ((x($_REQUEST,'remote_xchan')) ? trim($_REQUEST['remote_xchan']) : false);
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc($remote_xchan)
+ );
+ if($r)
+ $remote_observer = $r[0];
+ else
+ $remote_xchan = $remote_observer = false;
+
+ $profile_uid = ((x($_REQUEST,'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
+ require_once('include/identity.php');
+ $sys = get_sys_channel();
+ if($sys && $profile_uid && ($sys['channel_id'] == $profile_uid) && is_site_admin()) {
+ $uid = intval($sys['channel_id']);
+ $channel = $sys;
+ $observer = $sys;
+ }
+
+ if(x($_REQUEST,'dropitems')) {
+ require_once('include/items.php');
+ $arr_drop = explode(',',$_REQUEST['dropitems']);
+ drop_items($arr_drop);
+ $json = array('success' => 1);
+ echo json_encode($json);
+ killme();
+ }
+
+ call_hooks('post_local_start', $_REQUEST);
+
+ // logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
+
+ $api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
+
+ $consensus = intval($_REQUEST['consensus']);
+
+ // 'origin' (if non-zero) indicates that this network is where the message originated,
+ // for the purpose of relaying comments to other conversation members.
+ // If using the API from a device (leaf node) you must set origin to 1 (default) or leave unset.
+ // If the API is used from another network with its own distribution
+ // and deliveries, you may wish to set origin to 0 or false and allow the other
+ // network to relay comments.
+
+ // If you are unsure, it is prudent (and important) to leave it unset.
+
+ $origin = (($api_source && array_key_exists('origin',$_REQUEST)) ? intval($_REQUEST['origin']) : 1);
+
+ // To represent message-ids on other networks - this will create an item_id record
+
+ $namespace = (($api_source && array_key_exists('namespace',$_REQUEST)) ? strip_tags($_REQUEST['namespace']) : '');
+ $remote_id = (($api_source && array_key_exists('remote_id',$_REQUEST)) ? strip_tags($_REQUEST['remote_id']) : '');
+
+ $owner_hash = null;
+
+ $message_id = ((x($_REQUEST,'message_id') && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
+ $created = ((x($_REQUEST,'created')) ? datetime_convert(date_default_timezone_get(),'UTC',$_REQUEST['created']) : datetime_convert());
+ $post_id = ((x($_REQUEST,'post_id')) ? intval($_REQUEST['post_id']) : 0);
+ $app = ((x($_REQUEST,'source')) ? strip_tags($_REQUEST['source']) : '');
+ $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
+ $preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
+ $categories = ((x($_REQUEST,'category')) ? escape_tags($_REQUEST['category']) : '');
+ $webpage = ((x($_REQUEST,'webpage')) ? intval($_REQUEST['webpage']) : 0);
+ $pagetitle = ((x($_REQUEST,'pagetitle')) ? escape_tags(urlencode($_REQUEST['pagetitle'])) : '');
+ $layout_mid = ((x($_REQUEST,'layout_mid')) ? escape_tags($_REQUEST['layout_mid']): '');
+ $plink = ((x($_REQUEST,'permalink')) ? escape_tags($_REQUEST['permalink']) : '');
+ $obj_type = ((x($_REQUEST,'obj_type')) ? escape_tags($_REQUEST['obj_type']) : ACTIVITY_OBJ_NOTE);
+
+ // allow API to bulk load a bunch of imported items with sending out a bunch of posts.
+ $nopush = ((x($_REQUEST,'nopush')) ? intval($_REQUEST['nopush']) : 0);
+
+ /*
+ * Check service class limits
+ */
+ if ($uid && !(x($_REQUEST,'parent')) && !(x($_REQUEST,'post_id'))) {
+ $ret = $this->item_check_service_class($uid,(($_REQUEST['webpage'] == ITEM_TYPE_WEBPAGE) ? true : false));
+ if (!$ret['success']) {
+ notice( t($ret['message']) . EOL) ;
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+ }
+
+ if($pagetitle) {
+ require_once('library/urlify/URLify.php');
+ $pagetitle = strtolower(\URLify::transliterate($pagetitle));
+ }
+
+
+ $item_flags = $item_restrict = 0;
+
+ $route = '';
+ $parent_item = null;
+ $parent_contact = null;
+ $thr_parent = '';
+ $parid = 0;
+ $r = false;
+
+ if($parent || $parent_mid) {
+
+ if(! x($_REQUEST,'type'))
+ $_REQUEST['type'] = 'net-comment';
+
+ if($obj_type == ACTIVITY_OBJ_POST)
+ $obj_type = ACTIVITY_OBJ_COMMENT;
+
+ if($parent) {
+ $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
+ intval($parent)
+ );
+ }
+ elseif($parent_mid && $uid) {
+ // This is coming from an API source, and we are logged in
+ $r = q("SELECT * FROM `item` WHERE `mid` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($parent_mid),
+ intval($uid)
+ );
+ }
+ // if this isn't the real parent of the conversation, find it
+ if($r !== false && count($r)) {
+ $parid = $r[0]['parent'];
+ $parent_mid = $r[0]['mid'];
+ if($r[0]['id'] != $r[0]['parent']) {
+ $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
+ intval($parid)
+ );
+ }
+ }
+
+ if(($r === false) || (! count($r))) {
+ notice( t('Unable to locate original post.') . EOL);
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+
+ // can_comment_on_post() needs info from the following xchan_query
+ xchan_query($r);
+
+ $parent_item = $r[0];
+ $parent = $r[0]['id'];
+
+ // multi-level threading - preserve the info but re-parent to our single level threading
+
+ $thr_parent = $parent_mid;
+
+ $route = $parent_item['route'];
+
+ }
+
+ if(! $observer)
+ $observer = \App::get_observer();
+
+ if($parent) {
+ logger('mod_item: item_post parent=' . $parent);
+ $can_comment = false;
+ if((array_key_exists('owner',$parent_item)) && intval($parent_item['owner']['abook_self']))
+ $can_comment = perm_is_allowed($profile_uid,$observer['xchan_hash'],'post_comments');
+ else
+ $can_comment = can_comment_on_post($observer['xchan_hash'],$parent_item);
+
+ if(! $can_comment) {
+ notice( t('Permission denied.') . EOL) ;
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+ }
+ else {
+ if(! perm_is_allowed($profile_uid,$observer['xchan_hash'],($webpage) ? 'write_pages' : 'post_wall')) {
+ notice( t('Permission denied.') . EOL) ;
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+ }
+
+
+ // is this an edited post?
+
+ $orig_post = null;
+
+ if($namespace && $remote_id) {
+ // It wasn't an internally generated post - see if we've got an item matching this remote service id
+ $i = q("select iid from item_id where service = '%s' and sid = '%s' limit 1",
+ dbesc($namespace),
+ dbesc($remote_id)
+ );
+ if($i)
+ $post_id = $i[0]['iid'];
+ }
+
+ $iconfig = null;
+
+ if($post_id) {
+ $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
+ intval($profile_uid),
+ intval($post_id)
+ );
+ if(! count($i))
+ killme();
+ $orig_post = $i[0];
+ $iconfig = q("select * from iconfig where iid = %d",
+ intval($post_id)
+ );
+ }
+
+
+ if(! $channel) {
+ if($uid && $uid == $profile_uid) {
+ $channel = \App::get_channel();
+ }
+ else {
+ // posting as yourself but not necessarily to a channel you control
+ $r = q("select * from channel left join account on channel_account_id = account_id where channel_id = %d LIMIT 1",
+ intval($profile_uid)
+ );
+ if($r)
+ $channel = $r[0];
+ }
+ }
+
+
+ if(! $channel) {
+ logger("mod_item: no channel.");
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+
+ $owner_xchan = null;
+
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc($channel['channel_hash'])
+ );
+ if($r && count($r)) {
+ $owner_xchan = $r[0];
+ }
+ else {
+ logger("mod_item: no owner.");
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+
+ $walltowall = false;
+ $walltowall_comment = false;
+
+ if($remote_xchan)
+ $observer = $remote_observer;
+
+ if($observer) {
+ logger('mod_item: post accepted from ' . $observer['xchan_name'] . ' for ' . $owner_xchan['xchan_name'], LOGGER_DEBUG);
+
+ // wall-to-wall detection.
+ // For top-level posts, if the author and owner are different it's a wall-to-wall
+ // For comments, We need to additionally look at the parent and see if it's a wall post that originated locally.
+
+ if($observer['xchan_name'] != $owner_xchan['xchan_name']) {
+ if(($parent_item) && ($parent_item['item_wall'] && $parent_item['item_origin'])) {
+ $walltowall_comment = true;
+ $walltowall = true;
+ }
+ if(! $parent) {
+ $walltowall = true;
+ }
+ }
+ }
+
+ $acl = new \Zotlabs\Access\AccessList($channel);
+
+
+ $public_policy = ((x($_REQUEST,'public_policy')) ? escape_tags($_REQUEST['public_policy']) : map_scope($channel['channel_r_stream'],true));
+ if($webpage)
+ $public_policy = '';
+ if($public_policy)
+ $private = 1;
+
+ if($orig_post) {
+ $private = 0;
+ // webpages are allowed to change ACLs after the fact. Normal conversation items aren't.
+ if($webpage) {
+ $acl->set_from_array($_REQUEST);
+ }
+ else {
+ $acl->set($orig_post);
+ $public_policy = $orig_post['public_policy'];
+ $private = $orig_post['item_private'];
+ }
+
+ if($private || $public_policy || $acl->is_private())
+ $private = 1;
+
+
+ $location = $orig_post['location'];
+ $coord = $orig_post['coord'];
+ $verb = $orig_post['verb'];
+ $app = $orig_post['app'];
+ $title = escape_tags(trim($_REQUEST['title']));
+ $body = trim($_REQUEST['body']);
+ $item_flags = $orig_post['item_flags'];
+
+ $item_origin = $orig_post['item_origin'];
+ $item_unseen = $orig_post['item_unseen'];
+ $item_starred = $orig_post['item_starred'];
+ $item_uplink = $orig_post['item_uplink'];
+ $item_consensus = $orig_post['item_consensus'];
+ $item_wall = $orig_post['item_wall'];
+ $item_thread_top = $orig_post['item_thread_top'];
+ $item_notshown = $orig_post['item_notshown'];
+ $item_nsfw = $orig_post['item_nsfw'];
+ $item_relay = $orig_post['item_relay'];
+ $item_mentionsme = $orig_post['item_mentionsme'];
+ $item_nocomment = $orig_post['item_nocomment'];
+ $item_obscured = $orig_post['item_obscured'];
+ $item_verified = $orig_post['item_verified'];
+ $item_retained = $orig_post['item_retained'];
+ $item_rss = $orig_post['item_rss'];
+ $item_deleted = $orig_post['item_deleted'];
+ $item_type = $orig_post['item_type'];
+ $item_hidden = $orig_post['item_hidden'];
+ $item_unpublished = $orig_post['item_unpublished'];
+ $item_delayed = $orig_post['item_delayed'];
+ $item_pending_remove = $orig_post['item_pending_remove'];
+ $item_blocked = $orig_post['item_blocked'];
+
+
+
+ $postopts = $orig_post['postopts'];
+ $created = $orig_post['created'];
+ $mid = $orig_post['mid'];
+ $parent_mid = $orig_post['parent_mid'];
+ $plink = $orig_post['plink'];
+
+ }
+ else {
+ if(! $walltowall) {
+ if((array_key_exists('contact_allow',$_REQUEST))
+ || (array_key_exists('group_allow',$_REQUEST))
+ || (array_key_exists('contact_deny',$_REQUEST))
+ || (array_key_exists('group_deny',$_REQUEST))) {
+ $acl->set_from_array($_REQUEST);
+ }
+ elseif(! $api_source) {
+
+ // if no ACL has been defined and we aren't using the API, the form
+ // didn't send us any parameters. This means there's no ACL or it has
+ // been reset to the default audience.
+ // If $api_source is set and there are no ACL parameters, we default
+ // to the channel permissions which were set in the ACL contructor.
+
+ $acl->set(array('allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => ''));
+ }
+ }
+
+
+ $location = notags(trim($_REQUEST['location']));
+ $coord = notags(trim($_REQUEST['coord']));
+ $verb = notags(trim($_REQUEST['verb']));
+ $title = escape_tags(trim($_REQUEST['title']));
+ $body = trim($_REQUEST['body']);
+ $body .= trim($_REQUEST['attachment']);
+ $postopts = '';
+
+ $private = intval($acl->is_private() || ($public_policy));
+
+ // If this is a comment, set the permissions from the parent.
+
+ if($parent_item) {
+ $private = 0;
+ $acl->set($parent_item);
+ $private = intval($acl->is_private() || $parent_item['item_private']);
+ $public_policy = $parent_item['public_policy'];
+ $owner_hash = $parent_item['owner_xchan'];
+ }
+
+ if(! strlen($body)) {
+ if($preview)
+ killme();
+ info( t('Empty post discarded.') . EOL );
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+ }
+
+
+ $expires = NULL_DATE;
+
+ if(feature_enabled($profile_uid,'content_expire')) {
+ if(x($_REQUEST,'expire')) {
+ $expires = datetime_convert(date_default_timezone_get(),'UTC', $_REQUEST['expire']);
+ if($expires <= datetime_convert())
+ $expires = NULL_DATE;
+ }
+ }
+
+ $mimetype = notags(trim($_REQUEST['mimetype']));
+ if(! $mimetype)
+ $mimetype = 'text/bbcode';
+
+ if($preview) {
+ $body = z_input_filter($profile_uid,$body,$mimetype);
+ }
+
+
+ // Verify ability to use html or php!!!
+
+ $execflag = false;
+
+ if($mimetype !== 'text/bbcode') {
+ $z = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id where channel_id = %d limit 1",
+ intval($profile_uid)
+ );
+ if($z && (($z[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE) || ($z[0]['channel_pageflags'] & PAGE_ALLOWCODE))) {
+ if($uid && (get_account_id() == $z[0]['account_id'])) {
+ $execflag = true;
+ }
+ else {
+ notice( t('Executable content type not permitted to this channel.') . EOL);
+ if(x($_REQUEST,'return'))
+ goaway(z_root() . "/" . $return_path );
+ killme();
+ }
+ }
+ }
+
+ $gacl = $acl->get();
+ $str_contact_allow = $gacl['allow_cid'];
+ $str_group_allow = $gacl['allow_gid'];
+ $str_contact_deny = $gacl['deny_cid'];
+ $str_group_deny = $gacl['deny_gid'];
+
+ if($mimetype === 'text/bbcode') {
+
+ require_once('include/text.php');
+
+ // Markdown doesn't work correctly. Do not re-enable unless you're willing to fix it and support it.
+
+ // Sample that will probably give you grief - you must preserve the linebreaks
+ // and provide the correct markdown interpretation and you cannot allow unfiltered HTML
+
+ // Markdown
+ // ========
+ //
+ // **bold** abcde
+ // fghijkl
+ // *italic*
+ // <img src="javascript:alert('hacked');" />
+
+ // if($uid && $uid == $profile_uid && feature_enabled($uid,'markdown')) {
+ // require_once('include/bb2diaspora.php');
+ // $body = escape_tags(trim($body));
+ // $body = str_replace("\n",'<br />', $body);
+ // $body = preg_replace_callback('/\[share(.*?)\]/ism','\share_shield',$body);
+ // $body = diaspora2bb($body,true);
+ // $body = preg_replace_callback('/\[share(.*?)\]/ism','\share_unshield',$body);
+ // }
+
+ // BBCODE alert: the following functions assume bbcode input
+ // and will require alternatives for alternative content-types (text/html, text/markdown, text/plain, etc.)
+ // we may need virtual or template classes to implement the possible alternatives
+
+ // Work around doubled linefeeds in Tinymce 3.5b2
+ // First figure out if it's a status post that would've been
+ // created using tinymce. Otherwise leave it alone.
+
+ $plaintext = true;
+
+ // $plaintext = ((feature_enabled($profile_uid,'richtext')) ? false : true);
+ // if((! $parent) && (! $api_source) && (! $plaintext)) {
+ // $body = fix_mce_lf($body);
+ // }
+
+
+
+ // If we're sending a private top-level message with a single @-taggable channel as a recipient, @-tag it, if our pconfig is set.
+
+
+ if((! $parent) && (get_pconfig($profile_uid,'system','tagifonlyrecip')) && (substr_count($str_contact_allow,'<') == 1) && ($str_group_allow == '') && ($str_contact_deny == '') && ($str_group_deny == '')) {
+ $x = q("select abook_id, abook_their_perms from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
+ dbesc(str_replace(array('<','>'),array('',''),$str_contact_allow)),
+ intval($profile_uid)
+ );
+ if($x && ($x[0]['abook_their_perms'] & PERMS_W_TAGWALL))
+ $body .= "\n\n@group+" . $x[0]['abook_id'] . "\n";
+ }
+
+ /**
+ * fix naked links by passing through a callback to see if this is a red site
+ * (already known to us) which will get a zrl, otherwise link with url, add bookmark tag to both.
+ * First protect any url inside certain bbcode tags so we don't double link it.
+ */
+
+
+ $body = preg_replace_callback('/\[code(.*?)\[\/(code)\]/ism','\red_escape_codeblock',$body);
+ $body = preg_replace_callback('/\[url(.*?)\[\/(url)\]/ism','\red_escape_codeblock',$body);
+ $body = preg_replace_callback('/\[zrl(.*?)\[\/(zrl)\]/ism','\red_escape_codeblock',$body);
+
+ $body = preg_replace_callback("/([^\]\='".'"'."\/]|^|\#\^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\@\_\~\#\%\$\!\+\,]+)/ism", '\red_zrl_callback', $body);
+
+ $body = preg_replace_callback('/\[\$b64zrl(.*?)\[\/(zrl)\]/ism','\red_unescape_codeblock',$body);
+ $body = preg_replace_callback('/\[\$b64url(.*?)\[\/(url)\]/ism','\red_unescape_codeblock',$body);
+ $body = preg_replace_callback('/\[\$b64code(.*?)\[\/(code)\]/ism','\red_unescape_codeblock',$body);
+
+
+ // fix any img tags that should be zmg
+
+ $body = preg_replace_callback('/\[img(.*?)\](.*?)\[\/img\]/ism','\red_zrlify_img_callback',$body);
+
+
+ $body = bb_translate_video($body);
+
+ /**
+ * Fold multi-line [code] sequences
+ */
+
+ $body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body);
+
+ $body = scale_external_images($body,false);
+
+
+ // Look for tags and linkify them
+ $results = linkify_tags($a, $body, ($uid) ? $uid : $profile_uid);
+
+ if($results) {
+
+ // Set permissions based on tag replacements
+ set_linkified_perms($results, $str_contact_allow, $str_group_allow, $profile_uid, $parent_item, $private);
+
+ $post_tags = array();
+ foreach($results as $result) {
+ $success = $result['success'];
+ if($success['replaced']) {
+ $post_tags[] = array(
+ 'uid' => $profile_uid,
+ 'type' => $success['termtype'],
+ 'otype' => TERM_OBJ_POST,
+ 'term' => $success['term'],
+ 'url' => $success['url']
+ );
+ }
+ }
+ }
+
+
+ /**
+ *
+ * When a photo was uploaded into the message using the (profile wall) ajax
+ * uploader, The permissions are initially set to disallow anybody but the
+ * owner from seeing it. This is because the permissions may not yet have been
+ * set for the post. If it's private, the photo permissions should be set
+ * appropriately. But we didn't know the final permissions on the post until
+ * now. So now we'll look for links of uploaded photos and attachments that are in the
+ * post and set them to the same permissions as the post itself.
+ *
+ * If the post was end-to-end encrypted we can't find images and attachments in the body,
+ * use our media_str input instead which only contains these elements - but only do this
+ * when encrypted content exists because the photo/attachment may have been removed from
+ * the post and we should keep it private. If it's encrypted we have no way of knowing
+ * so we'll set the permissions regardless and realise that the media may not be
+ * referenced in the post.
+ *
+ * What is preventing us from being able to upload photos into comments is dealing with
+ * the photo and attachment permissions, since we don't always know who was in the
+ * distribution for the top level post.
+ *
+ * We might be able to provide this functionality with a lot of fiddling:
+ * - if the top level post is public (make the photo public)
+ * - if the top level post was written by us or a wall post that belongs to us (match the top level post)
+ * - if the top level post has privacy mentions, add those to the permissions.
+ * - otherwise disallow the photo *or* make the photo public. This is the part that gets messy.
+ */
+
+ if(! $preview) {
+ $this->fix_attached_photo_permissions($profile_uid,$owner_xchan['xchan_hash'],((strpos($body,'[/crypt]')) ? $_POST['media_str'] : $body),$str_contact_allow,$str_group_allow,$str_contact_deny,$str_group_deny);
+
+ $this->fix_attached_file_permissions($channel,$observer['xchan_hash'],((strpos($body,'[/crypt]')) ? $_POST['media_str'] : $body),$str_contact_allow,$str_group_allow,$str_contact_deny,$str_group_deny);
+
+ }
+
+
+ $attachments = '';
+ $match = false;
+
+ if(preg_match_all('/(\[attachment\](.*?)\[\/attachment\])/',$body,$match)) {
+ $attachments = array();
+ $i = 0;
+ foreach($match[2] as $mtch) {
+ $attach_link = '';
+ $hash = substr($mtch,0,strpos($mtch,','));
+ $rev = intval(substr($mtch,strpos($mtch,',')));
+ $r = attach_by_hash_nodata($hash,$rev);
+ if($r['success']) {
+ $attachments[] = array(
+ 'href' => z_root() . '/attach/' . $r['data']['hash'],
+ 'length' => $r['data']['filesize'],
+ 'type' => $r['data']['filetype'],
+ 'title' => urlencode($r['data']['filename']),
+ 'revision' => $r['data']['revision']
+ );
+ }
+ $ext = substr($r['data']['filename'],strrpos($r['data']['filename'],'.'));
+ if(strpos($r['data']['filetype'],'audio/') !== false)
+ $attach_link = '[audio]' . z_root() . '/attach/' . $r['data']['hash'] . '/' . $r['data']['revision'] . (($ext) ? $ext : '') . '[/audio]';
+ elseif(strpos($r['data']['filetype'],'video/') !== false)
+ $attach_link = '[video]' . z_root() . '/attach/' . $r['data']['hash'] . '/' . $r['data']['revision'] . (($ext) ? $ext : '') . '[/video]';
+ $body = str_replace($match[1][$i],$attach_link,$body);
+ $i++;
+ }
+ }
+
+ }
+
+ // BBCODE end alert
+
+ if(strlen($categories)) {
+ $cats = explode(',',$categories);
+ foreach($cats as $cat) {
+ $post_tags[] = array(
+ 'uid' => $profile_uid,
+ 'type' => TERM_CATEGORY,
+ 'otype' => TERM_OBJ_POST,
+ 'term' => trim($cat),
+ 'url' => $owner_xchan['xchan_url'] . '?f=&cat=' . urlencode(trim($cat))
+ );
+ }
+ }
+
+ if($orig_post) {
+ // preserve original tags
+ $t = q("select * from term where oid = %d and otype = %d and uid = %d and type in ( %d, %d, %d )",
+ intval($orig_post['id']),
+ intval(TERM_OBJ_POST),
+ intval($profile_uid),
+ intval(TERM_UNKNOWN),
+ intval(TERM_FILE),
+ intval(TERM_COMMUNITYTAG)
+ );
+ if($t) {
+ foreach($t as $t1) {
+ $post_tags[] = array(
+ 'uid' => $profile_uid,
+ 'type' => $t1['type'],
+ 'otype' => TERM_OBJ_POST,
+ 'term' => $t1['term'],
+ 'url' => $t1['url'],
+ );
+ }
+ }
+ }
+
+
+ $item_unseen = ((local_channel() != $profile_uid) ? 1 : 0);
+ $item_wall = (($post_type === 'wall' || $post_type === 'wall-comment') ? 1 : 0);
+ $item_origin = (($origin) ? 1 : 0);
+ $item_consensus = (($consensus) ? 1 : 0);
+
+
+ // determine if this is a wall post
+
+ if($parent) {
+ $item_wall = $parent_item['item_wall'];
+ }
+ else {
+ if(! $webpage) {
+ $item_wall = 1;
+ }
+ }
+
+
+ if($moderated)
+ $item_blocked = ITEM_MODERATED;
+
+
+ if(! strlen($verb))
+ $verb = ACTIVITY_POST ;
+
+ $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
+
+ if(! $mid) {
+ $mid = (($message_id) ? $message_id : item_message_id());
+ }
+ if(! $parent_mid) {
+ $parent_mid = $mid;
+ }
+
+ if($parent_item)
+ $parent_mid = $parent_item['mid'];
+
+ // Fallback so that we alway have a thr_parent
+
+ if(!$thr_parent)
+ $thr_parent = $mid;
+
+ $datarray = array();
+
+ $item_thread_top = ((! $parent) ? 1 : 0);
+
+ if ((! $plink) && ($item_thread_top)) {
+ $plink = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $mid;
+ }
+
+
+
+
+
+ $datarray['aid'] = $channel['channel_account_id'];
+ $datarray['uid'] = $profile_uid;
+
+ $datarray['owner_xchan'] = (($owner_hash) ? $owner_hash : $owner_xchan['xchan_hash']);
+ $datarray['author_xchan'] = $observer['xchan_hash'];
+ $datarray['created'] = $created;
+ $datarray['edited'] = (($orig_post) ? datetime_convert() : $created);
+ $datarray['expires'] = $expires;
+ $datarray['commented'] = (($orig_post) ? datetime_convert() : $created);
+ $datarray['received'] = (($orig_post) ? datetime_convert() : $created);
+ $datarray['changed'] = (($orig_post) ? datetime_convert() : $created);
+ $datarray['mid'] = $mid;
+ $datarray['parent_mid'] = $parent_mid;
+ $datarray['mimetype'] = $mimetype;
+ $datarray['title'] = $title;
+ $datarray['body'] = $body;
+ $datarray['app'] = $app;
+ $datarray['location'] = $location;
+ $datarray['coord'] = $coord;
+ $datarray['verb'] = $verb;
+ $datarray['obj_type'] = $obj_type;
+ $datarray['allow_cid'] = $str_contact_allow;
+ $datarray['allow_gid'] = $str_group_allow;
+ $datarray['deny_cid'] = $str_contact_deny;
+ $datarray['deny_gid'] = $str_group_deny;
+ $datarray['item_private'] = $private;
+ $datarray['item_wall'] = $item_wall;
+ $datarray['attach'] = $attachments;
+ $datarray['thr_parent'] = $thr_parent;
+ $datarray['postopts'] = $postopts;
+ $datarray['item_unseen'] = $item_unseen;
+ $datarray['item_wall'] = $item_wall;
+ $datarray['item_origin'] = $item_origin;
+ $datarray['item_type'] = $webpage;
+ $datarray['item_thread_top'] = $item_thread_top;
+ $datarray['item_unseen'] = $item_unseen;
+ $datarray['item_starred'] = $item_starred;
+ $datarray['item_uplink'] = $item_uplink;
+ $datarray['item_consensus'] = $item_consensus;
+ $datarray['item_notshown'] = $item_notshown;
+ $datarray['item_nsfw'] = $item_nsfw;
+ $datarray['item_relay'] = $item_relay;
+ $datarray['item_mentionsme'] = $item_mentionsme;
+ $datarray['item_nocomment'] = $item_nocomment;
+ $datarray['item_obscured'] = $item_obscured;
+ $datarray['item_verified'] = $item_verified;
+ $datarray['item_retained'] = $item_retained;
+ $datarray['item_rss'] = $item_rss;
+ $datarray['item_deleted'] = $item_deleted;
+ $datarray['item_hidden'] = $item_hidden;
+ $datarray['item_unpublished'] = $item_unpublished;
+ $datarray['item_delayed'] = $item_delayed;
+ $datarray['item_pending_remove'] = $item_pending_remove;
+ $datarray['item_blocked'] = $item_blocked;
+
+ $datarray['layout_mid'] = $layout_mid;
+ $datarray['public_policy'] = $public_policy;
+ $datarray['comment_policy'] = map_scope($channel['channel_w_comment']);
+ $datarray['term'] = $post_tags;
+ $datarray['plink'] = $plink;
+ $datarray['route'] = $route;
+
+ if($iconfig)
+ $datarray['iconfig'] = $iconfig;
+
+ // preview mode - prepare the body for display and send it via json
+
+ if($preview) {
+ require_once('include/conversation.php');
+
+ $datarray['owner'] = $owner_xchan;
+ $datarray['author'] = $observer;
+ $datarray['attach'] = json_encode($datarray['attach']);
+ $o = conversation($a,array($datarray),'search',false,'preview');
+ // logger('preview: ' . $o, LOGGER_DEBUG);
+ echo json_encode(array('preview' => $o));
+ killme();
+ }
+ if($orig_post)
+ $datarray['edit'] = true;
+
+ if(feature_enabled($profile_uid,'suppress_duplicates') && (! $orig_post)) {
+
+ $z = q("select created from item where uid = %d and body = '%s'",
+ intval($profile_uid),
+ dbesc($body)
+ );
+
+ if($z) {
+ foreach($z as $zz) {
+ if($zz['created'] > datetime_convert('UTC','UTC', 'now - 2 minutes')) {
+ $datarray['cancel'] = 1;
+ notice( t('Duplicate post suppressed.') . EOL);
+ logger('Duplicate post. Faking plugin cancel.');
+ }
+ }
+ }
+ }
+
+ call_hooks('post_local',$datarray);
+
+ if(x($datarray,'cancel')) {
+ logger('mod_item: post cancelled by plugin or duplicate suppressed.');
+ if($return_path)
+ goaway(z_root() . "/" . $return_path);
+
+ $json = array('cancel' => 1);
+ $json['reload'] = z_root() . '/' . $_REQUEST['jsreload'];
+ echo json_encode($json);
+ killme();
+ }
+
+
+ if(mb_strlen($datarray['title']) > 255)
+ $datarray['title'] = mb_substr($datarray['title'],0,255);
+
+ if(array_key_exists('item_private',$datarray) && $datarray['item_private']) {
+
+ $datarray['body'] = trim(z_input_filter($datarray['uid'],$datarray['body'],$datarray['mimetype']));
+
+ if($uid) {
+ if($channel['channel_hash'] === $datarray['author_xchan']) {
+ $datarray['sig'] = base64url_encode(rsa_sign($datarray['body'],$channel['channel_prvkey']));
+ $datarray['item_verified'] = 1;
+ }
+ }
+ }
+
+ if($orig_post) {
+ $datarray['id'] = $post_id;
+
+ item_store_update($datarray,$execflag);
+
+ update_remote_id($channel,$post_id,$webpage,$pagetitle,$namespace,$remote_id,$mid);
+
+ if(! $parent) {
+ $r = q("select * from item where id = %d",
+ intval($post_id)
+ );
+ if($r) {
+ xchan_query($r);
+ $sync_item = fetch_post_tags($r);
+ $rid = q("select * from item_id where iid = %d",
+ intval($post_id)
+ );
+ build_sync_packet($uid,array('item' => array(encode_item($sync_item[0],true)),'item_id' => $rid));
+ }
+ }
+ if(! $nopush)
+ proc_run('php', "include/notifier.php", 'edit_post', $post_id);
+
+ if((x($_REQUEST,'return')) && strlen($return_path)) {
+ logger('return: ' . $return_path);
+ goaway(z_root() . "/" . $return_path );
+ }
+ killme();
+ }
+ else
+ $post_id = 0;
+
+ $post = item_store($datarray,$execflag);
+
+ $post_id = $post['item_id'];
+
+ if($post_id) {
+ logger('mod_item: saved item ' . $post_id);
+
+ if($parent) {
+
+ // only send comment notification if this is a wall-to-wall comment,
+ // otherwise it will happen during delivery
+
+ if(($datarray['owner_xchan'] != $datarray['author_xchan']) && (intval($parent_item['item_wall']))) {
+ notification(array(
+ 'type' => NOTIFY_COMMENT,
+ 'from_xchan' => $datarray['author_xchan'],
+ 'to_xchan' => $datarray['owner_xchan'],
+ 'item' => $datarray,
+ 'link' => z_root() . '/display/' . $datarray['mid'],
+ 'verb' => ACTIVITY_POST,
+ 'otype' => 'item',
+ 'parent' => $parent,
+ 'parent_mid' => $parent_item['mid']
+ ));
+
+ }
+ }
+ else {
+ $parent = $post_id;
+
+ if(($datarray['owner_xchan'] != $datarray['author_xchan']) && ($datarray['item_type'] == ITEM_TYPE_POST)) {
+ notification(array(
+ 'type' => NOTIFY_WALL,
+ 'from_xchan' => $datarray['author_xchan'],
+ 'to_xchan' => $datarray['owner_xchan'],
+ 'item' => $datarray,
+ 'link' => z_root() . '/display/' . $datarray['mid'],
+ 'verb' => ACTIVITY_POST,
+ 'otype' => 'item'
+ ));
+ }
+
+ if($uid && $uid == $profile_uid && (is_item_normal($datarray))) {
+ q("update channel set channel_lastpost = '%s' where channel_id = %d",
+ dbesc(datetime_convert()),
+ intval($uid)
+ );
+ }
+ }
+
+ // photo comments turn the corresponding item visible to the profile wall
+ // This way we don't see every picture in your new photo album posted to your wall at once.
+ // They will show up as people comment on them.
+
+ if(intval($parent_item['item_hidden'])) {
+ $r = q("UPDATE item SET item_hidden = 0 WHERE id = %d",
+ intval($parent_item['id'])
+ );
+ }
+ }
+ else {
+ logger('mod_item: unable to retrieve post that was just stored.');
+ notice( t('System error. Post not saved.') . EOL);
+ goaway(z_root() . "/" . $return_path );
+ // NOTREACHED
+ }
+
+
+ update_remote_id($channel,$post_id,$webpage,$pagetitle,$namespace,$remote_id,$mid);
+
+ if(($parent) && ($parent != $post_id)) {
+ // Store the comment signature information in case we need to relay to Diaspora
+ $ditem = $datarray;
+ $ditem['author'] = $observer;
+ store_diaspora_comment_sig($ditem,$channel,$parent_item, $post_id, (($walltowall_comment) ? 1 : 0));
+ }
+ else {
+ $r = q("select * from item where id = %d",
+ intval($post_id)
+ );
+ if($r) {
+ xchan_query($r);
+ $sync_item = fetch_post_tags($r);
+ $rid = q("select * from item_id where iid = %d",
+ intval($post_id)
+ );
+ build_sync_packet($uid,array('item' => array(encode_item($sync_item[0],true)),'item_id' => $rid));
+ }
+ }
+
+ $datarray['id'] = $post_id;
+ $datarray['llink'] = z_root() . '/display/' . $channel['channel_address'] . '/' . $post_id;
+
+ call_hooks('post_local_end', $datarray);
+
+ if(! $nopush)
+ proc_run('php', 'include/notifier.php', $notify_type, $post_id);
+
+ logger('post_complete');
+
+
+
+
+
+
+ // figure out how to return, depending on from whence we came
+
+ if($api_source)
+ return $post;
+
+ if($return_path) {
+ goaway(z_root() . "/" . $return_path);
+ }
+
+ $json = array('success' => 1);
+ if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
+ $json['reload'] = z_root() . '/' . $_REQUEST['jsreload'];
+
+ logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
+
+ echo json_encode($json);
+ killme();
+ // NOTREACHED
+ }
+
+
+ function get() {
+
+ if((! local_channel()) && (! remote_channel()))
+ return;
+
+ require_once('include/security.php');
+
+ if((argc() == 3) && (argv(1) === 'drop') && intval(argv(2))) {
+
+ require_once('include/items.php');
+ $i = q("select id, uid, author_xchan, owner_xchan, source_xchan, item_type from item where id = %d limit 1",
+ intval(argv(2))
+ );
+
+ if($i) {
+ $can_delete = false;
+ $local_delete = false;
+ if(local_channel() && local_channel() == $i[0]['uid'])
+ $local_delete = true;
+
+ $sys = get_sys_channel();
+ if(is_site_admin() && $sys['channel_id'] == $i[0]['uid'])
+ $can_delete = true;
+
+ $ob_hash = get_observer_hash();
+ if($ob_hash && ($ob_hash === $i[0]['author_xchan'] || $ob_hash === $i[0]['owner_xchan'] || $ob_hash === $i[0]['source_xchan']))
+ $can_delete = true;
+
+ if(! ($can_delete || $local_delete)) {
+ notice( t('Permission denied.') . EOL);
+ return;
+ }
+
+ // if this is a different page type or it's just a local delete
+ // but not by the item author or owner, do a simple deletion
+
+ if(intval($i[0]['item_type']) || ($local_delete && (! $can_delete))) {
+ drop_item($i[0]['id']);
+ }
+ else {
+ // complex deletion that needs to propagate and be performed in phases
+ drop_item($i[0]['id'],true,DROPITEM_PHASE1);
+ tag_deliver($i[0]['uid'],$i[0]['id']);
+ }
+ }
+ }
+ }
+
+
+ function fix_attached_photo_permissions($uid,$xchan_hash,$body,
+ $str_contact_allow,$str_group_allow,$str_contact_deny,$str_group_deny) {
+
+ if(get_pconfig($uid,'system','force_public_uploads')) {
+ $str_contact_allow = $str_group_allow = $str_contact_deny = $str_group_deny = '';
+ }
+
+ $match = null;
+ // match img and zmg image links
+ if(preg_match_all("/\[[zi]mg(.*?)\](.*?)\[\/[zi]mg\]/",$body,$match)) {
+ $images = $match[2];
+ if($images) {
+ foreach($images as $image) {
+ if(! stristr($image,z_root() . '/photo/'))
+ continue;
+ $image_uri = substr($image,strrpos($image,'/') + 1);
+ if(strpos($image_uri,'-') !== false)
+ $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
+ if(strpos($image_uri,'.') !== false)
+ $image_uri = substr($image_uri,0, strpos($image_uri,'.'));
+ if(! strlen($image_uri))
+ continue;
+ $srch = '<' . $xchan_hash . '>';
+
+ $r = q("select folder from attach where hash = '%s' and uid = %d limit 1",
+ dbesc($image_uri),
+ intval($uid)
+ );
+ if($r && $r[0]['folder']) {
+ $f = q("select * from attach where hash = '%s' and is_dir = 1 and uid = %d limit 1",
+ dbesc($r[0]['folder']),
+ intval($uid)
+ );
+ if(($f) && (($f[0]['allow_cid']) || ($f[0]['allow_gid']) || ($f[0]['deny_cid']) || ($f[0]['deny_gid']))) {
+ $str_contact_allow = $f[0]['allow_cid'];
+ $str_group_allow = $f[0]['allow_gid'];
+ $str_contact_deny = $f[0]['deny_cid'];
+ $str_group_deny = $f[0]['deny_gid'];
+ }
+ }
+
+ $r = q("SELECT id FROM photo
+ WHERE allow_cid = '%s' AND allow_gid = '' AND deny_cid = '' AND deny_gid = ''
+ AND resource_id = '%s' AND uid = %d LIMIT 1",
+ dbesc($srch),
+ dbesc($image_uri),
+ intval($uid)
+ );
+
+ if($r) {
+ $r = q("UPDATE photo SET allow_cid = '%s', allow_gid = '%s', deny_cid = '%s', deny_gid = '%s'
+ WHERE resource_id = '%s' AND uid = %d ",
+ dbesc($str_contact_allow),
+ dbesc($str_group_allow),
+ dbesc($str_contact_deny),
+ dbesc($str_group_deny),
+ dbesc($image_uri),
+ intval($uid)
+ );
+
+ // also update the linked item (which is probably invisible)
+
+ $r = q("select id from item
+ WHERE allow_cid = '%s' AND allow_gid = '' AND deny_cid = '' AND deny_gid = ''
+ AND resource_id = '%s' and resource_type = 'photo' AND uid = %d LIMIT 1",
+ dbesc($srch),
+ dbesc($image_uri),
+ intval($uid)
+ );
+ if($r) {
+ $private = (($str_contact_allow || $str_group_allow || $str_contact_deny || $str_group_deny) ? true : false);
+
+ $r = q("UPDATE item SET allow_cid = '%s', allow_gid = '%s', deny_cid = '%s', deny_gid = '%s', item_private = %d
+ WHERE id = %d AND uid = %d",
+ dbesc($str_contact_allow),
+ dbesc($str_group_allow),
+ dbesc($str_contact_deny),
+ dbesc($str_group_deny),
+ intval($private),
+ intval($r[0]['id']),
+ intval($uid)
+ );
+ }
+ $r = q("select id from attach where hash = '%s' and uid = %d limit 1",
+ dbesc($image_uri),
+ intval($uid)
+ );
+ if($r) {
+ q("update attach SET allow_cid = '%s', allow_gid = '%s', deny_cid = '%s', deny_gid = '%s'
+ WHERE id = %d AND uid = %d",
+ dbesc($str_contact_allow),
+ dbesc($str_group_allow),
+ dbesc($str_contact_deny),
+ dbesc($str_group_deny),
+ intval($r[0]['id']),
+ intval($uid)
+ );
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+ function fix_attached_file_permissions($channel,$observer_hash,$body,
+ $str_contact_allow,$str_group_allow,$str_contact_deny,$str_group_deny) {
+
+ if(get_pconfig($channel['channel_id'],'system','force_public_uploads')) {
+ $str_contact_allow = $str_group_allow = $str_contact_deny = $str_group_deny = '';
+ }
+
+ $match = false;
+
+ if(preg_match_all("/\[attachment\](.*?)\[\/attachment\]/",$body,$match)) {
+ $attaches = $match[1];
+ if($attaches) {
+ foreach($attaches as $attach) {
+ $hash = substr($attach,0,strpos($attach,','));
+ $rev = intval(substr($attach,strpos($attach,',')));
+ attach_store($channel,$observer_hash,$options = 'update', array(
+ 'hash' => $hash,
+ 'revision' => $rev,
+ 'allow_cid' => $str_contact_allow,
+ 'allow_gid' => $str_group_allow,
+ 'deny_cid' => $str_contact_deny,
+ 'deny_gid' => $str_group_deny
+ ));
+ }
+ }
+ }
+ }
+
+ function item_check_service_class($channel_id,$iswebpage) {
+ $ret = array('success' => false, 'message' => '');
+
+ if ($iswebpage) {
+ $r = q("select count(i.id) as total from item i
+ right join channel c on (i.author_xchan=c.channel_hash and i.uid=c.channel_id )
+ and i.parent=i.id and i.item_type = %d and i.item_deleted = 0 and i.uid= %d ",
+ intval(ITEM_TYPE_WEBPAGE),
+ intval($channel_id)
+ );
+ }
+ else {
+ $r = q("select count(id) as total from item where parent = id and item_wall = 1 and uid = %d " . item_normal(),
+ intval($channel_id)
+ );
+ }
+
+ if(! $r) {
+ $ret['message'] = t('Unable to obtain post information from database.');
+ return $ret;
+ }
+
+ if (!$iswebpage) {
+ $max = service_class_fetch($channel_id,'total_items');
+ if(! service_class_allows($channel_id,'total_items',$r[0]['total'])) {
+ $result['message'] .= upgrade_message() . sprintf( t('You have reached your limit of %1$.0f top level posts.'),$max);
+ return $result;
+ }
+ }
+ else {
+ $max = service_class_fetch($channel_id,'total_pages');
+ if(! service_class_allows($channel_id,'total_pages',$r[0]['total'])) {
+ $result['message'] .= upgrade_message() . sprintf( t('You have reached your limit of %1$.0f webpages.'),$max);
+ return $result;
+ }
+ }
+
+ $ret['success'] = true;
+ return $ret;
+ }
+
+
+}