diff options
Diffstat (limited to 'mod/item.php')
| -rw-r--r-- | mod/item.php | 1262 |
1 files changed, 0 insertions, 1262 deletions
diff --git a/mod/item.php b/mod/item.php deleted file mode 100644 index 6e7c77a4d..000000000 --- a/mod/item.php +++ /dev/null @@ -1,1262 +0,0 @@ -<?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; -} - |