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($json); killme(); // NOTREACHED }
function item_post(&$a) { if (!local_user() && !remote_user()) { return; } require_once 'include/security.php'; $uid = local_user(); if (x($_POST, 'dropitems')) { require_once 'include/items.php'; $arr_drop = explode(',', $_POST['dropitems']); drop_items($arr_drop); $json = array('success' => 1); echo json_encode($json); killme(); } call_hooks('post_local_start', $_POST); $api_source = x($_POST, 'api_source') && $_POST['api_source'] ? true : false; $return_path = x($_POST, 'return') ? $_POST['return'] : ''; /** * Is this a reply to something? */ $parent = x($_POST, 'parent') ? intval($_POST['parent']) : 0; $parent_uri = x($_POST, 'parent_uri') ? trim($_POST['parent_uri']) : ''; $parent_item = null; $parent_contact = null; $thr_parent = ''; $parid = 0; $r = false; $preview = x($_POST, 'preview') ? intval($_POST['preview']) : 0; if ($parent || $parent_uri) { if (!x($_POST, 'type')) { $_POST['type'] = 'net-comment'; } if ($parent) { $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1", intval($parent)); } elseif ($parent_uri && local_user()) { // This is coming from an API source, and we are logged in $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($parent_uri), intval(local_user())); } // if this isn't the real parent of the conversation, find it if ($r !== false && count($r)) { $parid = $r[0]['parent']; if ($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($_POST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } $parent_item = $r[0]; $parent = $r[0]['id']; // multi-level threading - preserve the info but re-parent to our single level threading if ($parid && $parid != $parent) { $thr_parent = $parent_uri; } if ($parent_item['contact-id'] && $uid) { $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($parent_item['contact-id']), intval($uid)); if (count($r)) { $parent_contact = $r[0]; } } } if ($parent) { logger('mod_post: parent=' . $parent); } $profile_uid = x($_POST, 'profile_uid') ? intval($_POST['profile_uid']) : 0; $post_id = x($_POST['post_id']) ? intval($_POST['post_id']) : 0; $app = x($_POST['source']) ? strip_tags($_POST['source']) : ''; if (!can_write_wall($a, $profile_uid)) { notice(t('Permission denied.') . EOL); if (x($_POST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } // is this an edited post? $orig_post = null; if ($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]; } $user = null; $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($profile_uid)); if (count($r)) { $user = $r[0]; } if ($orig_post) { $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']; $title = $orig_post['title']; $location = $orig_post['location']; $coord = $orig_post['coord']; $verb = $orig_post['verb']; $emailcc = $orig_post['emailcc']; $app = $orig_post['app']; $body = escape_tags(trim($_POST['body'])); $private = $orig_post['private']; $pubmail_enable = $orig_post['pubmail']; } else { $str_group_allow = perms2str($_POST['group_allow']); $str_contact_allow = perms2str($_POST['contact_allow']); $str_group_deny = perms2str($_POST['group_deny']); $str_contact_deny = perms2str($_POST['contact_deny']); $title = notags(trim($_POST['title'])); $location = notags(trim($_POST['location'])); $coord = notags(trim($_POST['coord'])); $verb = notags(trim($_POST['verb'])); $emailcc = notags(trim($_POST['emailcc'])); $body = escape_tags(trim($_POST['body'])); $private = strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny) ? 1 : 0; if ($parent_item && ($parent_item['private'] || strlen($parent_item['allow_cid']) || strlen($parent_item['allow_gid']) || strlen($parent_item['deny_cid']) || strlen($parent_item['deny_gid']))) { $private = 1; } $pubmail_enable = x($_POST, 'pubmail_enable') && intval($_POST['pubmail_enable']) && !$private ? 1 : 0; // if using the API, we won't see pubmail_enable - figure out if it should be set if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) { $mail_disabled = function_exists('imap_open') && !get_config('system', 'imap_disabled') ? 0 : 1; if (!$mail_disabled) { $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1", intval(local_user())); if (count($r) && intval($r[0]['pubmail'])) { $pubmail_enabled = true; } } } if (!strlen($body)) { info(t('Empty post discarded.') . EOL); if (x($_POST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } } if ($api_source && !array_key_exists('allow_cid', $_REQUEST) && !array_key_exists('allow_gid', $_REQUEST) && !array_key_exists('deny_cid', $_REQUEST) && !array_key_exists('deny_gid', $_REQUEST)) { $str_group_allow = $user['allow_gid']; $str_contact_allow = $user['allow_cid']; $str_group_deny = $user['deny_gid']; $str_contact_deny = $user['deny_cid']; } // get contact info for poster $author = null; $self = false; if ($_SESSION['uid'] && $_SESSION['uid'] == $profile_uid) { $self = true; $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($_SESSION['uid'])); } else { if (x($_SESSION, 'visitor_id') && intval($_SESSION['visitor_id'])) { $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", intval($_SESSION['visitor_id'])); } } if (count($r)) { $author = $r[0]; $contact_id = $author['id']; } // get contact info for owner if ($profile_uid == $_SESSION['uid']) { $contact_record = $author; } else { $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($profile_uid)); if (count($r)) { $contact_record = $r[0]; } } $post_type = notags(trim($_POST['type'])); if ($post_type === 'net-comment') { if ($parent_item !== null) { if ($parent_item['wall'] == 1) { $post_type = 'wall-comment'; } else { $post_type = 'remote-comment'; } } } /** * * 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 messages that are in the * post and set them to the same permissions as the post itself. * */ $match = null; if (!$preview && preg_match_all("/\\[img\\](.*?)\\[\\/img\\]/", $body, $match)) { $images = $match[1]; if (count($images)) { foreach ($images as $image) { if (!stristr($image, $a->get_baseurl() . '/photo/')) { continue; } $image_uri = substr($image, strrpos($image, '/') + 1); $image_uri = substr($image_uri, 0, strpos($image_uri, '-')); if (!strlen($image_uri)) { continue; } $srch = '<' . intval($profile_uid) . '>'; $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''\n\t\t\t\t\tAND `resource-id` = '%s' AND `uid` = %d LIMIT 1", dbesc($srch), dbesc($image_uri), intval($profile_uid)); if (!count($r)) { continue; } $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'\n\t\t\t\t\tWHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ", dbesc($str_contact_allow), dbesc($str_group_allow), dbesc($str_contact_deny), dbesc($str_group_deny), dbesc($image_uri), intval($profile_uid), dbesc(t('Wall Photos'))); } } } /** * Next link in any attachment references we find in the post. */ $match = false; if (!$preview && preg_match_all("/\\[attachment\\](.*?)\\[\\/attachment\\]/", $body, $match)) { $attaches = $match[1]; if (count($attaches)) { foreach ($attaches as $attach) { $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1", intval($profile_uid), intval($attach)); if (count($r)) { $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'\n\t\t\t\t\t\tWHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc($str_contact_allow), dbesc($str_group_allow), dbesc($str_contact_deny), dbesc($str_group_deny), intval($profile_uid), intval($attach)); } } } } // embedded bookmark in post? set bookmark flag $bookmark = 0; if (preg_match_all("/\\[bookmark\\=([^\\]]*)\\](.*?)\\[\\/bookmark\\]/ism", $body, $match, PREG_SET_ORDER)) { $bookmark = 1; } $body = bb_translate_video($body); /** * Fold multi-line [code] sequences */ $body = preg_replace('/\\[\\/code\\]\\s*\\[code\\]/ism', "\n", $body); /** * Look for any tags and linkify them */ $str_tags = ''; $inform = ''; $tags = get_tags($body); /** * add a statusnet style reply tag if the original post was from there * and we are replying, and there isn't one already */ if ($parent_contact && $parent_contact['network'] === NETWORK_OSTATUS && $parent_contact['nick'] && !in_array('@' . $parent_contact['nick'], $tags)) { $body = '@' . $parent_contact['nick'] . ' ' . $body; $tags[] = '@' . $parent_contact['nick']; } if (count($tags)) { foreach ($tags as $tag) { if (isset($profile)) { unset($profile); } if (strpos($tag, '#') === 0) { if (strpos($tag, '[url=')) { continue; } $basetag = str_replace('_', ' ', substr($tag, 1)); $body = str_replace($tag, '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]', $body); $newtag = '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]'; if (!stristr($str_tags, $newtag)) { if (strlen($str_tags)) { $str_tags .= ','; } $str_tags .= $newtag; } continue; } if (strpos($tag, '@') === 0) { if (strpos($tag, '[url=')) { continue; } $stat = false; $name = substr($tag, 1); if (strpos($name, '@') || strpos($name, 'http://')) { $newname = $name; $links = @lrdd($name); if (count($links)) { foreach ($links as $link) { if ($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page') { $profile = $link['@attributes']['href']; } if ($link['@attributes']['rel'] === 'salmon') { if (strlen($inform)) { $inform .= ','; } $inform .= 'url:' . str_replace(',', '%2c', $link['@attributes']['href']); } } } } else { $newname = $name; $alias = ''; $tagcid = 0; if (strrpos($newname, '+')) { $tagcid = intval(substr($newname, strrpos($newname, '+') + 1)); if (strpos($name, ' ')) { $name = substr($name, 0, strpos($name, ' ')); } } if ($tagcid) { $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($tagcid), intval($profile_uid)); } elseif (strstr($name, '_') || strstr($name, ' ')) { $newname = str_replace('_', ' ', $name); $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1", dbesc($newname), intval($profile_uid)); } else { $r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1", dbesc($name), dbesc($name), intval($profile_uid)); } if (count($r)) { $profile = $r[0]['url']; if ($r[0]['network'] === 'stat') { $newname = $r[0]['nick']; $stat = true; if ($r[0]['alias']) { $alias = $r[0]['alias']; } } else { $newname = $r[0]['name']; } if (strlen($inform)) { $inform .= ','; } $inform .= 'cid:' . $r[0]['id']; } } if ($profile) { $body = str_replace('@' . $name, '@' . '[url=' . $profile . ']' . $newname . '[/url]', $body); $profile = str_replace(',', '%2c', $profile); $newtag = '@[url=' . $profile . ']' . $newname . '[/url]'; if (!stristr($str_tags, $newtag)) { if (strlen($str_tags)) { $str_tags .= ','; } $str_tags .= $newtag; } // Status.Net seems to require the numeric ID URL in a mention if the person isn't // subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both. if (strlen($alias)) { $newtag = '@[url=' . $alias . ']' . $newname . '[/url]'; if (!stristr($str_tags, $newtag)) { if (strlen($str_tags)) { $str_tags .= ','; } $str_tags .= $newtag; } } } } } } $attachments = ''; $match = false; if (preg_match_all('/(\\[attachment\\]([0-9]+)\\[\\/attachment\\])/', $body, $match)) { foreach ($match[2] as $mtch) { $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1", intval($profile_uid), intval($mtch)); if (count($r)) { if (strlen($attachments)) { $attachments .= ','; } $attachments .= '[attach]href="' . $a->get_baseurl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . ($r[0]['filename'] ? $r[0]['filename'] : '') . '"[/attach]'; } $body = str_replace($match[1], '', $body); } } $wall = 0; if ($post_type === 'wall' || $post_type === 'wall-comment') { $wall = 1; } if (!strlen($verb)) { $verb = ACTIVITY_POST; } $gravity = $parent ? 6 : 0; // even if the post arrived via API we are considering that it // originated on this site by default for determining relayability. $origin = x($_REQUEST, 'origin') ? intval($_REQUEST['origin']) : 1; $notify_type = $parent ? 'comment-new' : 'wall-new'; $uri = item_new_uri($a->get_hostname(), $profile_uid); $datarray = array(); $datarray['uid'] = $profile_uid; $datarray['type'] = $post_type; $datarray['wall'] = $wall; $datarray['gravity'] = $gravity; $datarray['contact-id'] = $contact_id; $datarray['owner-name'] = $contact_record['name']; $datarray['owner-link'] = $contact_record['url']; $datarray['owner-avatar'] = $contact_record['thumb']; $datarray['author-name'] = $author['name']; $datarray['author-link'] = $author['url']; $datarray['author-avatar'] = $author['thumb']; $datarray['created'] = datetime_convert(); $datarray['edited'] = datetime_convert(); $datarray['commented'] = datetime_convert(); $datarray['received'] = datetime_convert(); $datarray['changed'] = datetime_convert(); $datarray['uri'] = $uri; $datarray['title'] = $title; $datarray['body'] = $body; $datarray['app'] = $app; $datarray['location'] = $location; $datarray['coord'] = $coord; $datarray['tag'] = $str_tags; $datarray['inform'] = $inform; $datarray['verb'] = $verb; $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['private'] = $private; $datarray['pubmail'] = $pubmail_enable; $datarray['attach'] = $attachments; $datarray['bookmark'] = intval($bookmark); $datarray['thr-parent'] = $thr_parent; $datarray['postopts'] = ''; $datarray['origin'] = $origin; /** * These fields are for the convenience of plugins... * 'self' if true indicates the owner is posting on their own wall * If parent is 0 it is a top-level post. */ $datarray['parent'] = $parent; $datarray['self'] = $self; // $datarray['prvnets'] = $user['prvnets']; if ($orig_post) { $datarray['edit'] = true; } else { $datarray['guid'] = get_guid(); } // preview mode - prepare the body for display and send it via json if ($preview) { require_once 'include/conversation.php'; $o = conversation(&$a, array(array_merge($contact_record, $datarray)), 'search', false, true); echo json_encode(array('preview' => $o)); killme(); } call_hooks('post_local', $datarray); if ($orig_post) { $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1", dbesc($body), dbesc(datetime_convert()), intval($post_id), intval($profile_uid)); proc_run('php', "include/notifier.php", 'edit_post', "{$post_id}"); if (x($_POST, 'return') && strlen($return_path)) { logger('return: ' . $return_path); goaway($a->get_baseurl() . "/" . $return_path); } killme(); } else { $post_id = 0; } $r = q("INSERT INTO `item` (`guid`, `uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`, \n\t\t`author-name`, `author-link`, `author-avatar`, `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, \n\t\t`tag`, `inform`, `verb`, `postopts`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin` )\n\t\tVALUES( '%s', %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d )", dbesc($datarray['guid']), intval($datarray['uid']), dbesc($datarray['type']), intval($datarray['wall']), intval($datarray['gravity']), intval($datarray['contact-id']), dbesc($datarray['owner-name']), dbesc($datarray['owner-link']), dbesc($datarray['owner-avatar']), dbesc($datarray['author-name']), dbesc($datarray['author-link']), dbesc($datarray['author-avatar']), dbesc($datarray['created']), dbesc($datarray['edited']), dbesc($datarray['commented']), dbesc($datarray['received']), dbesc($datarray['changed']), dbesc($datarray['uri']), dbesc($datarray['thr-parent']), dbesc($datarray['title']), dbesc($datarray['body']), dbesc($datarray['app']), dbesc($datarray['location']), dbesc($datarray['coord']), dbesc($datarray['tag']), dbesc($datarray['inform']), dbesc($datarray['verb']), dbesc($datarray['postopts']), dbesc($datarray['allow_cid']), dbesc($datarray['allow_gid']), dbesc($datarray['deny_cid']), dbesc($datarray['deny_gid']), intval($datarray['private']), intval($datarray['pubmail']), dbesc($datarray['attach']), intval($datarray['bookmark']), intval($datarray['origin'])); $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($datarray['uri'])); if (count($r)) { $post_id = $r[0]['id']; logger('mod_item: saved item ' . $post_id); if ($parent) { // This item is the last leaf and gets the comment box, clear any ancestors $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ", dbesc(datetime_convert()), intval($parent)); // Inherit ACL's from the parent item. $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d\n\t\t\t\tWHERE `id` = %d LIMIT 1", dbesc($parent_item['allow_cid']), dbesc($parent_item['allow_gid']), dbesc($parent_item['deny_cid']), dbesc($parent_item['deny_gid']), intval($parent_item['private']), intval($post_id)); if ($contact_record != $author) { notification(array('type' => NOTIFY_COMMENT, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id, 'source_name' => $datarray['author-name'], 'source_link' => $datarray['author-link'], 'source_photo' => $datarray['author-avatar'], 'verb' => ACTIVITY_POST, 'otype' => 'item')); } // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key if ($self) { require_once 'include/bb2diaspora.php'; $signed_body = html_entity_decode(bb2diaspora($datarray['body'])); $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(), '://') + 3); if ($datarray['verb'] === ACTIVITY_LIKE) { $signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr; } else { $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr; } $authorsig = base64_encode(rsa_sign($signed_text, $a->user['prvkey'], 'sha256')); q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", intval($post_id), dbesc($signed_text), dbesc(base64_encode($authorsig)), dbesc($myaddr)); } } else { $parent = $post_id; if ($contact_record != $author) { notification(array('type' => NOTIFY_WALL, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id, 'source_name' => $datarray['author-name'], 'source_link' => $datarray['author-link'], 'source_photo' => $datarray['author-avatar'], 'verb' => ACTIVITY_POST, 'otype' => 'item')); } } // fallback so that parent always gets set to non-zero. if (!$parent) { $parent = $post_id; } $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1\n\t\t\tWHERE `id` = %d LIMIT 1", intval($parent), dbesc($parent == $post_id ? $uri : $parent_item['uri']), dbesc($a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id), dbesc(datetime_convert()), intval($post_id)); // 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['visible']) { $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1", intval($parent_item['id'])); } } else { logger('mod_item: unable to retrieve post that was just stored.'); notify(t('System error. Post not saved.')); goaway($a->get_baseurl() . "/" . $return_path); // NOTREACHED } // update the commented timestamp on the parent q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), dbesc(datetime_convert()), intval($parent)); $datarray['id'] = $post_id; $datarray['plink'] = $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id; call_hooks('post_local_end', $datarray); if (strlen($emailcc) && $profile_uid == local_user()) { $erecips = explode(',', $emailcc); if (count($erecips)) { foreach ($erecips as $recip) { $addr = trim($recip); if (!strlen($addr)) { continue; } $disclaimer = '<hr />' . sprintf(t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username']) . '<br />'; $disclaimer .= sprintf(t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL; $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL; $subject = '[Friendica]' . ' ' . sprintf(t('%s posted an update.'), $a->user['username']); $headers = 'From: ' . $a->user['username'] . ' <' . $a->user['email'] . '>' . "\n"; $headers .= 'MIME-Version: 1.0' . "\n"; $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n"; $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n"; $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />'; $html = prepare_body($datarray); $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>'; @mail($addr, $subject, $message, $headers); } } } // This is a real juggling act on shared hosting services which kill your processes // e.g. dreamhost. We used to start delivery to our native delivery agents in the background // and then run our plugin delivery from the foreground. We're now doing plugin delivery first, // because as soon as you start loading up a bunch of remote delivey processes, *this* page is // likely to get killed off. If you end up looking at an /item URL and a blank page, // it's very likely the delivery got killed before all your friends could be notified. // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting, // or cut back on plugins which do remote deliveries. 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 ($api_source) { return; } if ($return_path) { goaway($a->get_baseurl() . "/" . $return_path); } $json = array('success' => 1); if (x($_POST, 'jsreload') && strlen($_POST['jsreload'])) { $json['reload'] = $a->get_baseurl() . '/' . $_POST['jsreload']; } logger('post_json: ' . print_r($json, true), LOGGER_DEBUG); echo json_encode($json); killme(); // NOTREACHED }
function item_post(&$a) { if (!local_user() && !remote_user() && !x($_REQUEST, 'commenter')) { return; } require_once 'include/security.php'; $uid = local_user(); if (x($_REQUEST, 'dropitems')) { $arr_drop = explode(',', $_REQUEST['dropitems']); drop_items($arr_drop); $json = array('success' => 1); echo json_encode($json); killme(); } call_hooks('post_local_start', $_REQUEST); // logger('postinput ' . file_get_contents('php://input')); logger('postvars ' . print_r($_REQUEST, true), LOGGER_DATA); $api_source = x($_REQUEST, 'api_source') && $_REQUEST['api_source'] ? true : false; $message_id = x($_REQUEST, 'message_id') && $api_source ? strip_tags($_REQUEST['message_id']) : ''; $return_path = x($_REQUEST, 'return') ? $_REQUEST['return'] : ''; $preview = x($_REQUEST, 'preview') ? intval($_REQUEST['preview']) : 0; // Check for doubly-submitted posts, and reject duplicates // Note that we have to ignore previews, otherwise nothing will post // after it's been previewed if (!$preview && x($_REQUEST['post_id_random'])) { if (x($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) { logger("item post: duplicate post", LOGGER_DEBUG); item_post_return($a->get_baseurl(), $api_source, $return_path); } else { $_SESSION['post-random'] = $_REQUEST['post_id_random']; } } /** * Is this a reply to something? */ $parent = x($_REQUEST, 'parent') ? intval($_REQUEST['parent']) : 0; $parent_uri = x($_REQUEST, 'parent_uri') ? trim($_REQUEST['parent_uri']) : ''; $parent_item = null; $parent_contact = null; $thr_parent = ''; $parid = 0; $r = false; $objecttype = null; if ($parent || $parent_uri) { $objecttype = ACTIVITY_OBJ_COMMENT; if (!x($_REQUEST, 'type')) { $_REQUEST['type'] = 'net-comment'; } if ($parent) { $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1", intval($parent)); } elseif ($parent_uri && local_user()) { // This is coming from an API source, and we are logged in $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($parent_uri), intval(local_user())); } // if this isn't the real parent of the conversation, find it if ($r !== false && count($r)) { $parid = $r[0]['parent']; $parent_uri = $r[0]['uri']; if ($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(); } $parent_item = $r[0]; $parent = $r[0]['id']; // multi-level threading - preserve the info but re-parent to our single level threading //if(($parid) && ($parid != $parent)) $thr_parent = $parent_uri; if ($parent_item['contact-id'] && $uid) { $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($parent_item['contact-id']), intval($uid)); if (count($r)) { $parent_contact = $r[0]; // If the contact id doesn't fit with the contact, then set the contact to null $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent)); if (count($thrparent) and $thrparent[0]["network"] === NETWORK_OSTATUS and normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"])) { $parent_contact = null; require_once "include/Scrape.php"; $probed_contact = probe_url($thrparent[0]["author-link"]); if ($probed_contact["network"] != NETWORK_FEED) { $parent_contact = $probed_contact; $parent_contact["nurl"] = normalise_link($probed_contact["url"]); $parent_contact["thumb"] = $probed_contact["photo"]; $parent_contact["micro"] = $probed_contact["photo"]; } logger('parent contact: ' . print_r($parent_contact, true), LOGGER_DEBUG); } else { logger('no contact found: ' . print_r($thrparent, true), LOGGER_DEBUG); } } } } if ($parent) { logger('mod_item: item_post parent=' . $parent); } $profile_uid = x($_REQUEST, 'profile_uid') ? intval($_REQUEST['profile_uid']) : 0; $post_id = x($_REQUEST, 'post_id') ? intval($_REQUEST['post_id']) : 0; $app = x($_REQUEST, 'source') ? strip_tags($_REQUEST['source']) : ''; $extid = x($_REQUEST, 'extid') ? strip_tags($_REQUEST['extid']) : ''; $allow_moderated = false; // here is where we are going to check for permission to post a moderated comment. // First check that the parent exists and it is a wall item. if (x($_REQUEST, 'commenter') && (!$parent || !$parent_item['wall'])) { notice(t('Permission denied.') . EOL); if (x($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } // Now check that it is a page_type of PAGE_BLOG, and that valid personal details // have been provided, and run any anti-spam plugins // TODO if (!can_write_wall($a, $profile_uid) && !$allow_moderated) { notice(t('Permission denied.') . EOL); if (x($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } // is this an edited post? $orig_post = null; if ($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]; } $user = null; $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($profile_uid)); if (count($r)) { $user = $r[0]; } if ($orig_post) { $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']; $location = $orig_post['location']; $coord = $orig_post['coord']; $verb = $orig_post['verb']; $objecttype = $orig_post['object-type']; $emailcc = $orig_post['emailcc']; $app = $orig_post['app']; $categories = $orig_post['file']; $title = notags(trim($_REQUEST['title'])); $body = escape_tags(trim($_REQUEST['body'])); $private = $orig_post['private']; $pubmail_enable = $orig_post['pubmail']; $network = $orig_post['network']; $guid = $orig_post['guid']; $extid = $orig_post['extid']; } else { // if coming from the API and no privacy settings are set, // use the user default permissions - as they won't have // been supplied via a form. if ($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 = $user['allow_gid']; $str_contact_allow = $user['allow_cid']; $str_group_deny = $user['deny_gid']; $str_contact_deny = $user['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']); } $title = notags(trim($_REQUEST['title'])); $location = notags(trim($_REQUEST['location'])); $coord = notags(trim($_REQUEST['coord'])); $verb = notags(trim($_REQUEST['verb'])); $emailcc = notags(trim($_REQUEST['emailcc'])); $body = escape_tags(trim($_REQUEST['body'])); $network = notags(trim($_REQUEST['network'])); $guid = get_guid(32); $naked_body = preg_replace('/\\[(.+?)\\]/', '', $body); if (version_compare(PHP_VERSION, '5.3.0', '>=')) { $l = new Text_LanguageDetect(); //$lng = $l->detectConfidence($naked_body); //$postopts = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : ''); $lng = $l->detect($naked_body, 3); if (sizeof($lng) > 0) { $postopts = ""; foreach ($lng as $language => $score) { if ($postopts == "") { $postopts = "lang="; } else { $postopts .= ":"; } $postopts .= $language . ";" . $score; } } logger('mod_item: detect language' . print_r($lng, true) . $naked_body, LOGGER_DATA); } else { $postopts = ''; } $private = strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny) ? 1 : 0; if ($user['hidewall']) { $private = 2; } // If this is a comment, set the permissions from the parent. if ($parent_item) { $private = 0; // for non native networks use the network of the original post as network of the item if ($parent_item['network'] != NETWORK_DIASPORA and $parent_item['network'] != NETWORK_OSTATUS and $network == "") { $network = $parent_item['network']; } if ($parent_item['private'] || strlen($parent_item['allow_cid']) || strlen($parent_item['allow_gid']) || strlen($parent_item['deny_cid']) || strlen($parent_item['deny_gid'])) { $private = $parent_item['private'] ? $parent_item['private'] : 1; } $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']; } $pubmail_enable = x($_REQUEST, 'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && !$private ? 1 : 0; // if using the API, we won't see pubmail_enable - figure out if it should be set if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) { $mail_disabled = function_exists('imap_open') && !get_config('system', 'imap_disabled') ? 0 : 1; if (!$mail_disabled) { $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1", intval(local_user())); if (count($r) && intval($r[0]['pubmail'])) { $pubmail_enabled = true; } } } if (!strlen($body)) { if ($preview) { killme(); } info(t('Empty post discarded.') . EOL); if (x($_REQUEST, 'return')) { goaway($a->get_baseurl() . "/" . $return_path); } killme(); } } if (strlen($categories)) { // get the "fileas" tags for this post $filedas = file_tag_file_to_list($categories, 'file'); } // save old and new categories, so we can determine what needs to be deleted from pconfig $categories_old = $categories; $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category'); $categories_new = $categories; if (strlen($filedas)) { // append the fileas stuff to the new categories list $categories .= file_tag_list_to_file($filedas, 'file'); } // 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. /* $plaintext = (local_user() ? intval(get_pconfig(local_user(),'system','plaintext')) || !feature_enabled($profile_uid,'richtext') : 0); if((! $parent) && (! $api_source) && (! $plaintext)) { $body = fix_mce_lf($body); }*/ $plaintext = local_user() ? !feature_enabled($profile_uid, 'richtext') : 0; if (!$parent && !$api_source && !$plaintext) { $body = fix_mce_lf($body); } // get contact info for poster $author = null; $self = false; $contact_id = 0; if (local_user() && local_user() == $profile_uid) { $self = true; $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($_SESSION['uid'])); } elseif (remote_user()) { if (is_array($_SESSION['remote'])) { foreach ($_SESSION['remote'] as $v) { if ($v['uid'] == $profile_uid) { $contact_id = $v['cid']; break; } } } if ($contact_id) { $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", intval($contact_id)); } } if (count($r)) { $author = $r[0]; $contact_id = $author['id']; } // get contact info for owner if ($profile_uid == local_user()) { $contact_record = $author; } else { $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($profile_uid)); if (count($r)) { $contact_record = $r[0]; } } $post_type = notags(trim($_REQUEST['type'])); if ($post_type === 'net-comment') { if ($parent_item !== null) { if ($parent_item['wall'] == 1) { $post_type = 'wall-comment'; } else { $post_type = 'remote-comment'; } } } /** * * 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 messages that are in the * post and set them to the same permissions as the post itself. * */ $match = null; if (!$preview && preg_match_all("/\\[img([\\=0-9x]*?)\\](.*?)\\[\\/img\\]/", $body, $match)) { $images = $match[2]; if (count($images)) { $objecttype = ACTIVITY_OBJ_IMAGE; foreach ($images as $image) { if (!stristr($image, $a->get_baseurl() . '/photo/')) { continue; } $image_uri = substr($image, strrpos($image, '/') + 1); $image_uri = substr($image_uri, 0, strpos($image_uri, '-')); if (!strlen($image_uri)) { continue; } $srch = '<' . intval($contact_id) . '>'; $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''\n\t\t\t\t\tAND `resource-id` = '%s' AND `uid` = %d LIMIT 1", dbesc($srch), dbesc($image_uri), intval($profile_uid)); if (!count($r)) { continue; } $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'\n\t\t\t\t\tWHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ", dbesc($str_contact_allow), dbesc($str_group_allow), dbesc($str_contact_deny), dbesc($str_group_deny), dbesc($image_uri), intval($profile_uid), dbesc(t('Wall Photos'))); } } } /** * Next link in any attachment references we find in the post. */ $match = false; if (!$preview && preg_match_all("/\\[attachment\\](.*?)\\[\\/attachment\\]/", $body, $match)) { $attaches = $match[1]; if (count($attaches)) { foreach ($attaches as $attach) { $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1", intval($profile_uid), intval($attach)); if (count($r)) { $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'\n\t\t\t\t\t\tWHERE `uid` = %d AND `id` = %d", dbesc($str_contact_allow), dbesc($str_group_allow), dbesc($str_contact_deny), dbesc($str_group_deny), intval($profile_uid), intval($attach)); } } } } // embedded bookmark in post? set bookmark flag $bookmark = 0; if (preg_match_all("/\\[bookmark\\=([^\\]]*)\\](.*?)\\[\\/bookmark\\]/ism", $body, $match, PREG_SET_ORDER)) { $objecttype = ACTIVITY_OBJ_BOOKMARK; $bookmark = 1; } $body = bb_translate_video($body); /** * Fold multi-line [code] sequences */ $body = preg_replace('/\\[\\/code\\]\\s*\\[code\\]/ism', "\n", $body); $body = scale_external_images($body, false); // Setting the object type if not defined before if (!$objecttype) { $objecttype = ACTIVITY_OBJ_NOTE; // Default value require_once "include/plaintext.php"; $objectdata = get_attached_data($body); if ($post["type"] == "link") { $objecttype = ACTIVITY_OBJ_BOOKMARK; } elseif ($post["type"] == "video") { $objecttype = ACTIVITY_OBJ_VIDEO; } elseif ($post["type"] == "photo") { $objecttype = ACTIVITY_OBJ_IMAGE; } } /** * Look for any tags and linkify them */ $str_tags = ''; $inform = ''; $tags = get_tags($body); /** * add a statusnet style reply tag if the original post was from there * and we are replying, and there isn't one already */ if ($parent_contact && $parent_contact['network'] === NETWORK_OSTATUS && $parent_contact['nick'] && !in_array('@' . $parent_contact['nick'], $tags)) { $body = '@' . $parent_contact['nick'] . ' ' . $body; $tags[] = '@' . $parent_contact['nick']; } $tagged = array(); $private_forum = false; if (count($tags)) { foreach ($tags as $tag) { if (strpos($tag, '#') === 0) { continue; } // If we already tagged 'Robert Johnson', don't try and tag 'Robert'. // Robert Johnson should be first in the $tags array $fullnametagged = false; for ($x = 0; $x < count($tagged); $x++) { if (stristr($tagged[$x], $tag . ' ')) { $fullnametagged = true; break; } } if ($fullnametagged) { continue; } $success = handle_tag($a, $body, $inform, $str_tags, local_user() ? local_user() : $profile_uid, $tag, $network); if ($success['replaced']) { $tagged[] = $tag; } if (is_array($success['contact']) && intval($success['contact']['prv'])) { $private_forum = true; $private_id = $success['contact']['id']; } } } if ($private_forum && !$parent && !$private) { // we tagged a private forum in a top level post and the message was public. // Restrict it. $private = 1; $str_contact_allow = '<' . $private_id . '>'; } $attachments = ''; $match = false; if (preg_match_all('/(\\[attachment\\]([0-9]+)\\[\\/attachment\\])/', $body, $match)) { foreach ($match[2] as $mtch) { $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1", intval($profile_uid), intval($mtch)); if (count($r)) { if (strlen($attachments)) { $attachments .= ','; } $attachments .= '[attach]href="' . $a->get_baseurl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . ($r[0]['filename'] ? $r[0]['filename'] : '') . '"[/attach]'; } $body = str_replace($match[1], '', $body); } } $wall = 0; if ($post_type === 'wall' || $post_type === 'wall-comment') { $wall = 1; } if (!strlen($verb)) { $verb = ACTIVITY_POST; } if ($network == "") { $network = NETWORK_DFRN; } $gravity = $parent ? 6 : 0; // even if the post arrived via API we are considering that it // originated on this site by default for determining relayability. $origin = x($_REQUEST, 'origin') ? intval($_REQUEST['origin']) : 1; $notify_type = $parent ? 'comment-new' : 'wall-new'; $uri = $message_id ? $message_id : item_new_uri($a->get_hostname(), $profile_uid); // Fallback so that we alway have a thr-parent if (!$thr_parent) { $thr_parent = $uri; } $datarray = array(); $datarray['uid'] = $profile_uid; $datarray['type'] = $post_type; $datarray['wall'] = $wall; $datarray['gravity'] = $gravity; $datarray['network'] = $network; $datarray['contact-id'] = $contact_id; $datarray['owner-name'] = $contact_record['name']; $datarray['owner-link'] = $contact_record['url']; $datarray['owner-avatar'] = $contact_record['thumb']; $datarray['author-name'] = $author['name']; $datarray['author-link'] = $author['url']; $datarray['author-avatar'] = $author['thumb']; $datarray['created'] = datetime_convert(); $datarray['edited'] = datetime_convert(); $datarray['commented'] = datetime_convert(); $datarray['received'] = datetime_convert(); $datarray['changed'] = datetime_convert(); $datarray['extid'] = $extid; $datarray['guid'] = $guid; $datarray['uri'] = $uri; $datarray['title'] = $title; $datarray['body'] = $body; $datarray['app'] = $app; $datarray['location'] = $location; $datarray['coord'] = $coord; $datarray['tag'] = $str_tags; $datarray['file'] = $categories; $datarray['inform'] = $inform; $datarray['verb'] = $verb; $datarray['object-type'] = $objecttype; $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['private'] = $private; $datarray['pubmail'] = $pubmail_enable; $datarray['attach'] = $attachments; $datarray['bookmark'] = intval($bookmark); $datarray['thr-parent'] = $thr_parent; $datarray['postopts'] = $postopts; $datarray['origin'] = $origin; $datarray['moderated'] = $allow_moderated; /** * These fields are for the convenience of plugins... * 'self' if true indicates the owner is posting on their own wall * If parent is 0 it is a top-level post. */ $datarray['parent'] = $parent; $datarray['self'] = $self; // $datarray['prvnets'] = $user['prvnets']; if ($orig_post) { $datarray['edit'] = true; } // Search for hashtags item_body_set_hashtags($datarray); // preview mode - prepare the body for display and send it via json if ($preview) { require_once 'include/conversation.php'; $o = conversation($a, array(array_merge($contact_record, $datarray)), 'search', false, true); logger('preview: ' . $o); echo json_encode(array('preview' => $o)); killme(); } 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(); } // Fill the cache field put_item_in_cache($datarray); if ($orig_post) { $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s', `edited` = '%s', `changed` = '%s' WHERE `id` = %d AND `uid` = %d", dbesc($datarray['title']), dbesc($datarray['body']), dbesc($datarray['tag']), dbesc($datarray['attach']), dbesc($datarray['file']), dbesc($datarray['rendered-html']), dbesc($datarray['rendered-hash']), dbesc(datetime_convert()), dbesc(datetime_convert()), intval($post_id), intval($profile_uid)); create_tags_from_item($post_id); create_files_from_item($post_id); update_thread($post_id); // update filetags in pconfig file_tag_update_pconfig($uid, $categories_old, $categories_new, 'category'); proc_run('php', "include/notifier.php", 'edit_post', "{$post_id}"); if (x($_REQUEST, 'return') && strlen($return_path)) { logger('return: ' . $return_path); goaway($a->get_baseurl() . "/" . $return_path); } killme(); } else { $post_id = 0; } $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,\n\t\t`created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,\n\t\t`allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)\n\t\tVALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')", dbesc($datarray['guid']), dbesc($datarray['extid']), intval($datarray['uid']), dbesc($datarray['type']), intval($datarray['wall']), intval($datarray['gravity']), dbesc($datarray['network']), intval($datarray['contact-id']), dbesc($datarray['owner-name']), dbesc($datarray['owner-link']), dbesc($datarray['owner-avatar']), dbesc($datarray['author-name']), dbesc($datarray['author-link']), dbesc($datarray['author-avatar']), dbesc($datarray['created']), dbesc($datarray['edited']), dbesc($datarray['commented']), dbesc($datarray['received']), dbesc($datarray['changed']), dbesc($datarray['uri']), dbesc($datarray['thr-parent']), dbesc($datarray['title']), dbesc($datarray['body']), dbesc($datarray['app']), dbesc($datarray['location']), dbesc($datarray['coord']), dbesc($datarray['tag']), dbesc($datarray['inform']), dbesc($datarray['verb']), dbesc($datarray['object-type']), dbesc($datarray['postopts']), dbesc($datarray['allow_cid']), dbesc($datarray['allow_gid']), dbesc($datarray['deny_cid']), dbesc($datarray['deny_gid']), intval($datarray['private']), intval($datarray['pubmail']), dbesc($datarray['attach']), intval($datarray['bookmark']), intval($datarray['origin']), intval($datarray['moderated']), dbesc($datarray['file']), dbesc($datarray['rendered-html']), dbesc($datarray['rendered-hash'])); $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($datarray['uri'])); if (!count($r)) { logger('mod_item: unable to retrieve post that was just stored.'); notice(t('System error. Post not saved.') . EOL); goaway($a->get_baseurl() . "/" . $return_path); // NOTREACHED } $post_id = $r[0]['id']; logger('mod_item: saved item ' . $post_id); $datarray["id"] = $post_id; $datarray["plink"] = $a->get_baseurl() . '/display/' . urlencode($datarray["guid"]); // update filetags in pconfig file_tag_update_pconfig($uid, $categories_old, $categories_new, 'category'); if ($parent) { // This item is the last leaf and gets the comment box, clear any ancestors $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ", dbesc(datetime_convert()), intval($parent)); update_thread($parent, true); // Inherit ACLs from the parent item. $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d\n\t\t\tWHERE `id` = %d", dbesc($parent_item['allow_cid']), dbesc($parent_item['allow_gid']), dbesc($parent_item['deny_cid']), dbesc($parent_item['deny_gid']), intval($parent_item['private']), intval($post_id)); if ($contact_record != $author) { notification(array('type' => NOTIFY_COMMENT, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'uid' => $user['uid'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . urlencode($datarray['guid']), 'source_name' => $datarray['author-name'], 'source_link' => $datarray['author-link'], 'source_photo' => $datarray['author-avatar'], 'verb' => ACTIVITY_POST, 'otype' => 'item', 'parent' => $parent, 'parent_uri' => $parent_item['uri'])); } // Store the comment signature information in case we need to relay to Diaspora store_diaspora_comment_sig($datarray, $author, $self ? $a->user['prvkey'] : false, $parent_item, $post_id); } else { $parent = $post_id; if ($contact_record != $author) { notification(array('type' => NOTIFY_WALL, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'uid' => $user['uid'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . urlencode($datarray['guid']), 'source_name' => $datarray['author-name'], 'source_link' => $datarray['author-link'], 'source_photo' => $datarray['author-avatar'], 'verb' => ACTIVITY_POST, 'otype' => 'item')); } } // fallback so that parent always gets set to non-zero. if (!$parent) { $parent = $post_id; } $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1\n\t\tWHERE `id` = %d", intval($parent), dbesc($parent == $post_id ? $uri : $parent_item['uri']), dbesc($a->get_baseurl() . '/display/' . urlencode($datarray['guid'])), dbesc(datetime_convert()), intval($post_id)); // 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['visible']) { $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d", intval($parent_item['id'])); update_thread($parent_item['id']); } // update the commented timestamp on the parent q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d", dbesc(datetime_convert()), dbesc(datetime_convert()), intval($parent)); if ($post_id != $parent) { update_thread($parent); } call_hooks('post_local_end', $datarray); if (strlen($emailcc) && $profile_uid == local_user()) { $erecips = explode(',', $emailcc); if (count($erecips)) { foreach ($erecips as $recip) { $addr = trim($recip); if (!strlen($addr)) { continue; } $disclaimer = '<hr />' . sprintf(t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username']) . '<br />'; $disclaimer .= sprintf(t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL; $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL; if (!$datarray['title'] == '') { $subject = email_header_encode($datarray['title'], 'UTF-8'); } else { $subject = email_header_encode('[Friendica]' . ' ' . sprintf(t('%s posted an update.'), $a->user['username']), 'UTF-8'); } $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />'; $html = prepare_body($datarray); $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>'; include_once 'include/html2plain.php'; $params = array('fromName' => $a->user['username'], 'fromEmail' => $a->user['email'], 'toEmail' => $addr, 'replyTo' => $a->user['email'], 'messageSubject' => $subject, 'htmlVersion' => $message, 'textVersion' => html2plain($html . $disclaimer)); Emailer::send($params); } } } create_tags_from_item($post_id); create_files_from_item($post_id); if ($post_id == $parent) { add_thread($post_id); } // This is a real juggling act on shared hosting services which kill your processes // e.g. dreamhost. We used to start delivery to our native delivery agents in the background // and then run our plugin delivery from the foreground. We're now doing plugin delivery first, // because as soon as you start loading up a bunch of remote delivey processes, *this* page is // likely to get killed off. If you end up looking at an /item URL and a blank page, // it's very likely the delivery got killed before all your friends could be notified. // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting, // or cut back on plugins which do remote deliveries. proc_run('php', "include/notifier.php", $notify_type, "{$post_id}"); logger('post_complete'); item_post_return($a->get_baseurl(), $api_source, $return_path); // NOTREACHED }
function post() { // This will change. Figure out who the observer is and whether or not // they have permission to post here. Else ignore the post. if (!local_channel() && !remote_channel() && !x($_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 }