friendica_2021-01/mod/item.php

1100 lines
34 KiB
PHP

<?php
/**
*
* This is the POST destination for most all locally posted
* text stuff. This function handles status, wall-to-wall status,
* local comments, and remote coments that are posted on this site
* (as opposed to being delivered in a feed).
* Also processed here are posts and comments coming through the
* statusnet/twitter API.
* All of these become an "item" which is our basic unit of
* information.
* Posts that originate externally or do not fall into the above
* posting categories go through item_store() instead of this function.
*
*/
require_once('include/crypto.php');
require_once('include/enotify.php');
require_once('include/email.php');
require_once('Text/LanguageDetect.php');
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')) {
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', $_REQUEST);
// logger('postinput ' . file_get_contents('php://input'));
logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
$api_source = ((x($_REQUEST,'api_source') && $_REQUEST['api_source']) ? true : false);
$return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
$preview = ((x($_REQUEST,'preview')) ? intval($_REQUEST['preview']) : 0);
/**
* 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;
$r = false;
if($parent || $parent_uri) {
if(! x($_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 = $r[0];
}
}
if($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']) : '');
$allow_moderated = false;
// here is where we are going to check for permission to post a moderated comment.
// First check that the parent exists and it is a wall item.
if((x($_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'];
$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 = $orig_post['pubmail'];
}
else {
// if coming from the API and no privacy settings are set,
// use the user default permissions - as they won't have
// been supplied via a form.
if(($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']));
$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'] . ';' . $lng['confidence'] : '');
logger('mod_item: detect language' . print_r($lng,true) . $naked_body, LOGGER_DATA);
}
else
$postopts = '';
$private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
// If this is a comment, set the permissions from the parent.
if($parent_item) {
$private = 0;
if(($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')) : 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("/\[img\](.*?)\[\/img\]/",$body,$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;
$srch = '<' . intval($contact_id) . '>';
$r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
dbesc($srch),
dbesc($image_uri),
intval($profile_uid)
);
if(! count($r))
continue;
$r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
dbesc($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)) {
$r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
WHERE `uid` = %d AND `id` = %d LIMIT 1",
dbesc($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);
$body = scale_external_images($body,false);
/**
* 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 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 , $tag);
if($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 ;
$gravity = (($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(),$profile_uid);
// Fallback so that we alway have a thr-parent
if(!$thr_parent)
$thr_parent = $uri;
$datarray = array();
$datarray['uid'] = $profile_uid;
$datarray['type'] = $post_type;
$datarray['wall'] = $wall;
$datarray['gravity'] = $gravity;
$datarray['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['file'] = $categories;
$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'] = $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;
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);
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();
}
if($orig_post) {
$r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `attach` = '%s', `file` = '%s', `edited` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
dbesc($datarray['title']),
dbesc($datarray['body']),
dbesc($datarray['tag']),
dbesc($datarray['attach']),
dbesc($datarray['file']),
dbesc(datetime_convert()),
intval($post_id),
intval($profile_uid)
);
// 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;
$r = q("INSERT INTO `item` (`guid`, `uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
`author-name`, `author-link`, `author-avatar`, `created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`,
`tag`, `inform`, `verb`, `postopts`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file` )
VALUES( '%s', %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s' )",
dbesc($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']),
intval($datarray['moderated']),
dbesc($datarray['file'])
);
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
dbesc($datarray['uri']));
if(count($r)) {
$post_id = $r[0]['id'];
logger('mod_item: saved item ' . $post_id);
// update filetags in pconfig
file_tag_update_pconfig($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)
);
// Inherit ACL's from the parent item.
$r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
WHERE `id` = %d LIMIT 1",
dbesc($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'],
'uid' => $user['uid'],
'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',
'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/' . $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;
$r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
WHERE `id` = %d LIMIT 1",
intval($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.');
notice( t('System error. Post not saved.') . EOL);
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;
$subject = email_header_encode('[Friendica]' . ' ' . sprintf( t('%s posted an update.'),$a->user['username']),'UTF-8');
$headers = 'From: ' . email_header_encode($a->user['username'],'UTF-8') . ' <' . $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);
}
$json = array('success' => 1);
if(x($_REQUEST,'jsreload') && strlen($_REQUEST['jsreload']))
$json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
echo json_encode($json);
killme();
// NOTREACHED
}
function item_content(&$a) {
if((! local_user()) && (! remote_user()))
return;
require_once('include/security.php');
if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
require_once('include/items.php');
drop_item($a->argv[2]);
}
}
/**
* This function removes the tag $tag from the text $body and replaces it with
* the appropiate link.
*
* @param unknown_type $body the text to replace the tag in
* @param unknown_type $inform a comma-seperated string containing everybody to inform
* @param unknown_type $str_tags string to add the tag to
* @param unknown_type $profile_uid
* @param unknown_type $tag the tag to replace
*
* @return boolean true if replaced, false if not replaced
*/
function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag) {
$replaced = false;
$r = null;
//is it a hash tag?
if(strpos($tag,'#') === 0) {
//if the tag is replaced...
if(strpos($tag,'[url='))
//...do nothing
return $replaced;
//base tag has the tags name only
$basetag = str_replace('_',' ',substr($tag,1));
//create text for link
$newtag = '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
//replace tag by the link
$body = str_replace($tag, $newtag, $body);
$replaced = true;
//is the link already in str_tags?
if(! stristr($str_tags,$newtag)) {
//append or set str_tags
if(strlen($str_tags))
$str_tags .= ',';
$str_tags .= $newtag;
}
return $replaced;
}
//is it a person tag?
if(strpos($tag,'@') === 0) {
//is it already replaced?
if(strpos($tag,'[url='))
return $replaced;
$stat = false;
//get the person's name
$name = substr($tag,1);
//is it a link or a full dfrn address?
if((strpos($name,'@')) || (strpos($name,'http://'))) {
$newname = $name;
//get the profile links
$links = @lrdd($name);
if(count($links)) {
//for all links, collect how is to inform and how's profile is to link
foreach($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 { //if it is a name rather than an address
$newname = $name;
$alias = '';
$tagcid = 0;
//is it some generated name?
if(strrpos($newname,'+')) {
//get the id
$tagcid = intval(substr($newname,strrpos($newname,'+') + 1));
//remove the next word from tag's name
if(strpos($name,' ')) {
$name = substr($name,0,strpos($name,' '));
}
}
if($tagcid) { //if there was an id
//select contact with that id from the logged in user's contact list
$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($tagcid),
intval($profile_uid)
);
} elseif(strstr($name,'_') || strstr($name,' ')) { //no id
//get the real name
$newname = str_replace('_',' ',$name);
//select someone from this user's contacts by name
$r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
dbesc($newname),
intval($profile_uid)
);
} else {
//select someone by attag or nick and the name passed in
$r = q("SELECT * FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
dbesc($name),
dbesc($name),
intval($profile_uid)
);
}
//$r is set, if someone could be selected
if(count($r)) {
$profile = $r[0]['url'];
//set newname to nick, find alias
if($r[0]['network'] === 'stat') {
$newname = $r[0]['nick'];
$stat = true;
if($r[0]['alias'])
$alias = $r[0]['alias'];
}
else
$newname = $r[0]['name'];
//add person's id to $inform
if(strlen($inform))
$inform .= ',';
$inform .= 'cid:' . $r[0]['id'];
}
}
//if there is an url for this persons profile
if(isset($profile)) {
$replaced = true;
//create profile link
$profile = str_replace(',','%2c',$profile);
$newtag = '@[url=' . $profile . ']' . $newname . '[/url]';
$body = str_replace('@' . $name, $newtag, $body);
//append tag to str_tags
if(! stristr($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;
}
}
}
}
return array('replaced' => $replaced, 'contact' => $r[0]);
}
function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item, $post_id) {
// We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled) {
logger('mod_item: diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
return;
}
logger('mod_item: storing diaspora comment signature');
require_once('include/bb2diaspora.php');
$signed_body = html_entity_decode(bb2diaspora($datarray['body']));
// Only works for NETWORK_DFRN
$contact_baseurl_start = strpos($author['url'],'://') + 3;
$contact_baseurl_length = strpos($author['url'],'/profile') - $contact_baseurl_start;
$contact_baseurl = substr($author['url'], $contact_baseurl_start, $contact_baseurl_length);
$diaspora_handle = $author['nick'] . '@' . $contact_baseurl;
$signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
if( $uprvkey !== false )
$authorsig = base64_encode(rsa_sign($signed_text,$uprvkey,'sha256'));
else
$authorsig = '';
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($post_id),
dbesc($signed_text),
dbesc(base64_encode($authorsig)),
dbesc($diaspora_handle)
);
return;
}