<?php /** * * 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'); function item_post(&$a) { // This will change. Figure out who the observer is and whether or not // they have permission to post here. Else ignore the post. if((! local_channel()) && (! remote_channel()) && (! x($_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'))) { $ret = item_check_service_class($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(! $preview) { fix_attached_photo_permissions($profile_uid,$owner_xchan['xchan_hash'],((strpos($body,'[/crypt]')) ? $_POST['media_str'] : $body),$str_contact_allow,$str_group_allow,$str_contact_deny,$str_group_deny); fix_attached_file_permissions($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($json); killme(); // NOTREACHED } function item_content(&$a) { 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; }