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/channel.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']); $nocomment = intval($_REQUEST['nocomment']); // '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 iconfig 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() . "/" . $return_path); } killme(); } // can_comment_on_post() needs info from the following xchan_query // This may be from the discover tab which means we need to correct the effective uid xchan_query($r, true, $r[0]['uid'] == local_channel() ? 0 : local_channel()); $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 $i = q("select iid from iconfig where cat = 'system' and k = '%s' and v = '%s' limit 1", dbesc($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); $view_policy = \Zotlabs\Access\PermissionLimits::Get($channel['channel_id'], 'view_stream'); $comment_policy = \Zotlabs\Access\PermissionLimits::Get($channel['channel_id'], 'post_comments'); $public_policy = x($_REQUEST, 'public_policy') ? escape_tags($_REQUEST['public_policy']) : map_scope($view_policy, 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, abconfig.v from abook left join abconfig on abook_xchan = abconfig.xchan and abook_channel = abconfig.chan and cat= 'their_perms' and abconfig.k = 'tag_deliver' and abconfig.v = 1 and abook_xchan = '%s' and abook_channel = %d limit 1", dbesc(str_replace(array('<', '>'), array('', ''), $str_contact_allow)), intval($profile_uid)); if ($x) { $body .= "\n\n@group+" . $x[0]['abook_id'] . "\n"; } } /** * fix naked links by passing through a callback to see if this is a hubzilla 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", 'nakedoembed', $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, 'ttype' => $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' => $profile_uid, 'ttype' => TERM_CATEGORY, 'otype' => TERM_OBJ_POST, 'term' => trim($cat), 'url' => $owner_xchan['xchan_url'] . '?f=&cat=' . urlencode(trim($cat))); } } if ($orig_post) { // preserve original tags $t = q("select * from term where oid = %d and otype = %d and uid = %d and ttype in ( %d, %d, %d )", intval($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, 'ttype' => $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; $item_nocomment = $nocomment ? 1 : 0; // determine if this is a wall post if ($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['attach'] = $attachments; $datarray['thr_parent'] = $thr_parent; $datarray['postopts'] = $postopts; $datarray['item_unseen'] = intval($item_unseen); $datarray['item_wall'] = intval($item_wall); $datarray['item_origin'] = intval($item_origin); $datarray['item_type'] = $webpage; $datarray['item_private'] = intval($private); $datarray['item_thread_top'] = intval($item_thread_top); $datarray['item_unseen'] = intval($item_unseen); $datarray['item_starred'] = intval($item_starred); $datarray['item_uplink'] = intval($item_uplink); $datarray['item_consensus'] = intval($item_consensus); $datarray['item_notshown'] = intval($item_notshown); $datarray['item_nsfw'] = intval($item_nsfw); $datarray['item_relay'] = intval($item_relay); $datarray['item_mentionsme'] = intval($item_mentionsme); $datarray['item_nocomment'] = intval($item_nocomment); $datarray['item_obscured'] = intval($item_obscured); $datarray['item_verified'] = intval($item_verified); $datarray['item_retained'] = intval($item_retained); $datarray['item_rss'] = intval($item_rss); $datarray['item_deleted'] = intval($item_deleted); $datarray['item_hidden'] = intval($item_hidden); $datarray['item_unpublished'] = intval($item_unpublished); $datarray['item_delayed'] = intval($item_delayed); $datarray['item_pending_remove'] = intval($item_pending_remove); $datarray['item_blocked'] = intval($item_blocked); $datarray['layout_mid'] = $layout_mid; $datarray['public_policy'] = $public_policy; $datarray['comment_policy'] = map_scope($comment_policy); $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) { $datarray['edit'] = true; } // suppress duplicates, *unless* you're editing an existing post. This could get picked up // as a duplicate if you're editing it very soon after posting it initially and you edited // some attribute besides the content, such as title or categories. if (feature_enabled($profile_uid, 'suppress_duplicates') && !$orig_post) { $z = q("select created from item where uid = %d and created > %s - INTERVAL %s and body = '%s' limit 1", intval($profile_uid), db_utcnow(), db_quoteinterval('2 MINUTE'), dbesc($body)); if ($z) { $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'])); $datarray['item_verified'] = 1; } } } if ($webpage) { Zlib\IConfig::Set($datarray, 'system', webpage_to_namespace($webpage), $pagetitle ? $pagetitle : substr($datarray['mid'], 0, 16), true); } elseif ($namespace) { Zlib\IConfig::Set($datarray, 'system', $namespace, $remote_id ? $remote_id : substr($datarray['mid'], 0, 16), true); } if ($orig_post) { $datarray['id'] = $post_id; $x = item_store_update($datarray, $execflag); if (!$parent) { $r = q("select * from item where id = %d", intval($post_id)); if ($r) { xchan_query($r); $sync_item = fetch_post_tags($r); build_sync_packet($profile_uid, array('item' => array(encode_item($sync_item[0], true)))); } } if (!$nopush) { \Zotlabs\Daemon\Master::Summon(array('Notifier', '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']; $datarray = $post['item']; if ($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'])) { Zlib\Enotify::submit(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) { Zlib\Enotify::submit(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() . "/" . $return_path); // NOTREACHED } if ($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); build_sync_packet($profile_uid, array('item' => array(encode_item($sync_item[0], true)))); } } $datarray['id'] = $post_id; $datarray['llink'] = z_root() . '/display/' . $channel['channel_address'] . '/' . $post_id; call_hooks('post_local_end', $datarray); if (!$nopush) { \Zotlabs\Daemon\Master::Summon(array('Notifier', $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($json); killme(); // NOTREACHED }
function item_post(&$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('UTC', '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, $_REQUEST['webpage'] == ITEM_WEBPAGE ? true : false); if (!$ret['success']) { notice(t($ret['message']) . EOL); if (x($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } } if ($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($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } // can_comment_on_post() needs info from the following xchan_query xchan_query($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 = $a->get_observer(); } if ($parent) { logger('mod_item: item_post parent=' . $parent); $can_comment = false; if (array_key_exists('owner', $parent_item) && $parent_item['owner']['abook_flags'] & ABOOK_FLAG_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($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } } else { if (!perm_is_allowed($profile_uid, $observer['xchan_hash'], 'post_wall')) { notice(t('Permission denied.') . EOL); if (x($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $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 = $i[0]['iid']; } } if ($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 = $i[0]; } if (!$channel) { if ($uid && $uid == $profile_uid) { $channel = $a->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($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $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($a->get_baseurl() . "/" . $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_flags'] & (ITEM_WALL | ITEM_ORIGIN)) == (ITEM_WALL | ITEM_ORIGIN)) { $walltowall_comment = true; $walltowall = true; } if (!$parent) { $walltowall = true; } } } $public_policy = x($_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) { $str_group_allow = perms2str($_REQUEST['group_allow']); $str_contact_allow = perms2str($_REQUEST['contact_allow']); $str_group_deny = perms2str($_REQUEST['group_deny']); $str_contact_deny = perms2str($_REQUEST['contact_deny']); } else { $str_group_allow = $orig_post['allow_gid']; $str_contact_allow = $orig_post['allow_cid']; $str_group_deny = $orig_post['deny_gid']; $str_contact_deny = $orig_post['deny_cid']; $public_policy = $orig_post['public_policy']; $private = $orig_post['item_private']; } if (strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny) || strlen($public_policy) || $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 = $orig_post['item_flags']; // force us to recalculate if we need to obscure this post if ($item_flags & ITEM_OBSCURED) { $item_flags = $item_flags ^ ITEM_OBSCURED; } $item_restrict = $orig_post['item_restrict']; $postopts = $orig_post['postopts']; $created = $orig_post['created']; $mid = $orig_post['mid']; $parent_mid = $orig_post['parent_mid']; $plink = $orig_post['plink']; } else { // if coming from the API and no privacy settings are set, // use the user default permissions - as they won't have // been supplied via a form. if ($api_source && !array_key_exists('contact_allow', $_REQUEST) && !array_key_exists('group_allow', $_REQUEST) && !array_key_exists('contact_deny', $_REQUEST) && !array_key_exists('group_deny', $_REQUEST)) { $str_group_allow = $channel['channel_allow_gid']; $str_contact_allow = $channel['channel_allow_cid']; $str_group_deny = $channel['channel_deny_gid']; $str_contact_deny = $channel['channel_deny_cid']; } elseif ($walltowall) { // use the channel owner's default permissions $str_group_allow = $channel['channel_allow_gid']; $str_contact_allow = $channel['channel_allow_cid']; $str_group_deny = $channel['channel_deny_gid']; $str_contact_deny = $channel['channel_deny_cid']; } else { // use the posted permissions $str_group_allow = perms2str($_REQUEST['group_allow']); $str_contact_allow = perms2str($_REQUEST['contact_allow']); $str_group_deny = perms2str($_REQUEST['group_deny']); $str_contact_deny = perms2str($_REQUEST['contact_deny']); } $location = notags(trim($_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 = ''; $private = strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny) || strlen($public_policy) ? 1 : 0; // If this is a comment, set the permissions from the parent. if ($parent_item) { $private = 0; if ($parent_item['item_private'] || strlen($parent_item['allow_cid']) || strlen($parent_item['allow_gid']) || strlen($parent_item['deny_cid']) || strlen($parent_item['deny_gid']) || strlen($parent_item['public_policy'])) { $private = $parent_item['item_private'] ? $parent_item['item_private'] : 1; } $public_policy = $parent_item['public_policy']; $str_contact_allow = $parent_item['allow_cid']; $str_group_allow = $parent_item['allow_gid']; $str_contact_deny = $parent_item['deny_cid']; $str_group_deny = $parent_item['deny_gid']; $owner_hash = $parent_item['owner_xchan']; } if (!strlen($body)) { if ($preview) { killme(); } info(t('Empty post discarded.') . EOL); if (x($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $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 === 'application/x-php') { $z = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id where channel_id = %d limit 1", intval($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($a->get_baseurl() . "/" . $return_path); } killme(); } } } if ($mimetype === 'text/bbcode') { require_once 'include/text.php'; if ($uid && $uid == $profile_uid && feature_enabled($uid, 'markdown')) { require_once 'include/bb2diaspora.php'; $body = escape_tags($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)) { $attachments = array(); foreach ($match[2] as $mtch) { $hash = substr($mtch, 0, strpos($mtch, ',')); $rev = intval(substr($mtch, strpos($mtch, ','))); $r = attach_by_hash_nodata($hash, $rev); if ($r['success']) { $attachments[] = array('href' => $a->get_baseurl() . '/attach/' . $r['data']['hash'], 'length' => $r['data']['filesize'], 'type' => $r['data']['filetype'], 'title' => urlencode($r['data']['filename']), 'revision' => $r['data']['revision']); } $body = str_replace($match[1], '', $body); } } } // BBCODE end alert if (strlen($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))); } } $item_unseen = 1; // determine if this is a wall post if ($parent) { if ($parent_item['item_flags'] & ITEM_WALL) { $item_flags = $item_flags | ITEM_WALL; } } else { if (!$webpage) { $item_flags = $item_flags | ITEM_WALL; } } if ($origin) { $item_flags = $item_flags | ITEM_ORIGIN; } if ($moderated) { $item_restrict = $item_restrict | ITEM_MODERATED; } if ($webpage) { $item_restrict = $item_restrict | $webpage; } if (!strlen($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; } $datarray = array(); if (!$parent) { $item_flags = $item_flags | ITEM_THREAD_TOP; } if ($consensus) { $item_flags |= ITEM_CONSENSUS; } if (!$plink && $item_flags & 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['attach'] = $attachments; $datarray['thr_parent'] = $thr_parent; $datarray['postopts'] = $postopts; $datarray['item_restrict'] = $item_restrict; $datarray['item_flags'] = $item_flags; $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; $datarray['item_unseen'] = $item_unseen; // preview mode - prepare the body for display and send it via json if ($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; } call_hooks('post_local', $datarray); if (x($datarray, 'cancel')) { logger('mod_item: post cancelled by plugin.'); if ($return_path) { goaway($a->get_baseurl() . "/" . $return_path); } $json = array('cancel' => 1); if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) { $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload']; } echo json_encode($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_flags'] = $datarray['item_flags'] | ITEM_VERIFIED; } } logger('Encrypting local storage'); $key = get_config('system', 'pubkey'); $datarray['item_flags'] = $datarray['item_flags'] | ITEM_OBSCURED; if ($datarray['title']) { $datarray['title'] = json_encode(crypto_encapsulate($datarray['title'], $key)); } if ($datarray['body']) { $datarray['body'] = json_encode(crypto_encapsulate($datarray['body'], $key)); } } if ($orig_post) { $datarray['id'] = $post_id; item_store_update($datarray, $execflag); update_remote_id($channel, $post_id, $webpage, $pagetitle, $namespace, $remote_id, $mid); if (!$nopush) { proc_run('php', "include/notifier.php", 'edit_post', $post_id); } if (x($_REQUEST, 'return') && strlen($return_path)) { logger('return: ' . $return_path); goaway($a->get_baseurl() . "/" . $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'] && $parent_item['item_flags'] & ITEM_WALL) { notification(array('type' => NOTIFY_COMMENT, 'from_xchan' => $datarray['author_xchan'], 'to_xchan' => $datarray['owner_xchan'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/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']) { notification(array('type' => NOTIFY_WALL, 'from_xchan' => $datarray['author_xchan'], 'to_xchan' => $datarray['owner_xchan'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . $datarray['mid'], 'verb' => ACTIVITY_POST, 'otype' => 'item')); } if ($uid && $uid == $profile_uid && !$datarray['item_restrict']) { q("update channel set channel_lastpost = '%s' where channel_id = %d", dbesc(datetime_convert()), intval($uid)); } } // photo comments turn the corresponding item visible to the profile wall // This way we don't see every picture in your new photo album posted to your wall at once. // They will show up as people comment on them. if ($parent_item['item_restrict'] & ITEM_HIDDEN) { $r = q("UPDATE `item` SET `item_restrict` = %d WHERE `id` = %d", intval($parent_item['item_restrict'] - ITEM_HIDDEN), intval($parent_item['id'])); } } else { logger('mod_item: unable to retrieve post that was just stored.'); notice(t('System error. Post not saved.') . EOL); goaway($a->get_baseurl() . "/" . $return_path); // NOTREACHED } if ($parent) { // 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, $walltowall_comment ? 1 : 0); } update_remote_id($channel, $post_id, $webpage, $pagetitle, $namespace, $remote_id, $mid); $datarray['id'] = $post_id; $datarray['llink'] = $a->get_baseurl() . '/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($a->get_baseurl() . "/" . $return_path); } $json = array('success' => 1); if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) { $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload']; } logger('post_json: ' . print_r($json, true), LOGGER_DEBUG); echo json_encode($json); killme(); // NOTREACHED }
function import_items($channel, $items, $sync = false, $relocate = null) { if ($channel && $items) { $allow_code = false; $r = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id \n\t\t\twhere channel_id = %d limit 1", intval($channel['channel_id'])); if ($r) { if ($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $r[0]['channel_pageflags'] & PAGE_ALLOWCODE) { $allow_code = true; } } $deliver = false; // Don't deliver any messages or notifications when importing foreach ($items as $i) { $item_result = false; $item = get_item_elements($i, $allow_code); if (!$item) { continue; } if ($relocate && $item['mid'] === $item['parent_mid']) { item_url_replace($channel, $item, $relocate['url'], z_root(), $relocate['channel_address']); } $r = q("select id, edited from item where mid = '%s' and uid = %d limit 1", dbesc($item['mid']), intval($channel['channel_id'])); if ($r) { // flags may have changed and we are probably relocating the post, // so force an update even if we have the same timestamp if ($item['edited'] >= $r[0]['edited']) { $item['id'] = $r[0]['id']; $item['uid'] = $channel['channel_id']; $item_result = item_store_update($item, $allow_code, $deliver); } } else { $item['aid'] = $channel['channel_account_id']; $item['uid'] = $channel['channel_id']; $item_result = item_store($item, $allow_code, $deliver); } fix_attached_photo_permissions($channel['channel_id'], $item['author_xchan'], $item['body'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid']); fix_attached_file_permissions($channel, $item['author_xchan'], $item['body'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid']); if ($sync && $item['item_wall']) { // deliver singletons if we have any if ($item_result && $item_result['success']) { Zotlabs\Daemon\Master::Summon(['Notifier', 'single_activity', $item_result['item_id']]); } } } } }