448 lines
13 KiB
PHP
448 lines
13 KiB
PHP
<?php
|
||
/**
|
||
* @file include/items.php
|
||
*/
|
||
|
||
use Friendica\BaseObject;
|
||
use Friendica\Content\Feature;
|
||
use Friendica\Core\Config;
|
||
use Friendica\Core\Hook;
|
||
use Friendica\Core\L10n;
|
||
use Friendica\Core\Logger;
|
||
use Friendica\Core\PConfig;
|
||
use Friendica\Core\Protocol;
|
||
use Friendica\Core\Renderer;
|
||
use Friendica\Core\System;
|
||
use Friendica\Database\DBA;
|
||
use Friendica\Model\Item;
|
||
use Friendica\Protocol\DFRN;
|
||
use Friendica\Protocol\Feed;
|
||
use Friendica\Protocol\OStatus;
|
||
use Friendica\Util\DateTimeFormat;
|
||
use Friendica\Util\Network;
|
||
use Friendica\Util\ParseUrl;
|
||
use Friendica\Util\Strings;
|
||
use Friendica\Util\Temporal;
|
||
|
||
require_once __DIR__ . '/../mod/share.php';
|
||
|
||
function add_page_info_data(array $data, $no_photos = false)
|
||
{
|
||
Hook::callAll('page_info_data', $data);
|
||
|
||
if (empty($data['type'])) {
|
||
return '';
|
||
}
|
||
|
||
// It maybe is a rich content, but if it does have everything that a link has,
|
||
// then treat it that way
|
||
if (($data["type"] == "rich") && is_string($data["title"]) &&
|
||
is_string($data["text"]) && !empty($data["images"])) {
|
||
$data["type"] = "link";
|
||
}
|
||
|
||
$data["title"] = defaults($data, "title", "");
|
||
|
||
if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
|
||
return "";
|
||
}
|
||
|
||
if ($no_photos && ($data["type"] == "photo")) {
|
||
return "";
|
||
}
|
||
|
||
// Escape some bad characters
|
||
$data["url"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
|
||
$data["title"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
|
||
|
||
$text = "[attachment type='".$data["type"]."'";
|
||
|
||
if (empty($data["text"])) {
|
||
$data["text"] = $data["title"];
|
||
}
|
||
|
||
if (empty($data["text"])) {
|
||
$data["text"] = $data["url"];
|
||
}
|
||
|
||
if (!empty($data["url"])) {
|
||
$text .= " url='".$data["url"]."'";
|
||
}
|
||
|
||
if (!empty($data["title"])) {
|
||
$text .= " title='".$data["title"]."'";
|
||
}
|
||
|
||
// Only embedd a picture link when it seems to be a valid picture ("width" is set)
|
||
if (!empty($data["images"]) && !empty($data["images"][0]["width"])) {
|
||
$preview = str_replace(["[", "]"], ["[", "]"], htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
|
||
// if the preview picture is larger than 500 pixels then show it in a larger mode
|
||
// But only, if the picture isn't higher than large (To prevent huge posts)
|
||
if (!Config::get('system', 'always_show_preview') && ($data["images"][0]["width"] >= 500)
|
||
&& ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
|
||
$text .= " image='".$preview."'";
|
||
} else {
|
||
$text .= " preview='".$preview."'";
|
||
}
|
||
}
|
||
|
||
$text .= "]".$data["text"]."[/attachment]";
|
||
|
||
$hashtags = "";
|
||
if (isset($data["keywords"]) && count($data["keywords"])) {
|
||
$hashtags = "\n";
|
||
foreach ($data["keywords"] as $keyword) {
|
||
/// @TODO make a positive list of allowed characters
|
||
$hashtag = str_replace([" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"],
|
||
["", "", "", "", "", "", "", "", "", "", "", ""], $keyword);
|
||
$hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . $hashtag . "]" . $hashtag . "[/url] ";
|
||
}
|
||
}
|
||
|
||
return "\n".$text.$hashtags;
|
||
}
|
||
|
||
function query_page_info($url, $photo = "", $keywords = false, $keyword_blacklist = "")
|
||
{
|
||
$data = ParseUrl::getSiteinfoCached($url, true);
|
||
|
||
if ($photo != "") {
|
||
$data["images"][0]["src"] = $photo;
|
||
}
|
||
|
||
Logger::log('fetch page info for ' . $url . ' ' . print_r($data, true), Logger::DEBUG);
|
||
|
||
if (!$keywords && isset($data["keywords"])) {
|
||
unset($data["keywords"]);
|
||
}
|
||
|
||
if (($keyword_blacklist != "") && isset($data["keywords"])) {
|
||
$list = explode(", ", $keyword_blacklist);
|
||
|
||
foreach ($list as $keyword) {
|
||
$keyword = trim($keyword);
|
||
|
||
$index = array_search($keyword, $data["keywords"]);
|
||
if ($index !== false) {
|
||
unset($data["keywords"][$index]);
|
||
}
|
||
}
|
||
}
|
||
|
||
return $data;
|
||
}
|
||
|
||
function add_page_keywords($url, $photo = "", $keywords = false, $keyword_blacklist = "")
|
||
{
|
||
$data = query_page_info($url, $photo, $keywords, $keyword_blacklist);
|
||
|
||
$tags = "";
|
||
if (isset($data["keywords"]) && count($data["keywords"])) {
|
||
foreach ($data["keywords"] as $keyword) {
|
||
$hashtag = str_replace([" ", "+", "/", ".", "#", "'"],
|
||
["", "", "", "", "", ""], $keyword);
|
||
|
||
if ($tags != "") {
|
||
$tags .= ", ";
|
||
}
|
||
|
||
$tags .= "#[url=" . System::baseUrl() . "/search?tag=" . $hashtag . "]" . $hashtag . "[/url]";
|
||
}
|
||
}
|
||
|
||
return $tags;
|
||
}
|
||
|
||
function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "")
|
||
{
|
||
$data = query_page_info($url, $photo, $keywords, $keyword_blacklist);
|
||
|
||
$text = '';
|
||
|
||
if (is_array($data)) {
|
||
$text = add_page_info_data($data, $no_photos);
|
||
}
|
||
|
||
return $text;
|
||
}
|
||
|
||
function add_page_info_to_body($body, $texturl = false, $no_photos = false)
|
||
{
|
||
Logger::log('add_page_info_to_body: fetch page info for body ' . $body, Logger::DEBUG);
|
||
|
||
$URLSearchString = "^\[\]";
|
||
|
||
// Fix for Mastodon where the mentions are in a different format
|
||
$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
|
||
'$2[url=$1]$3[/url]', $body);
|
||
|
||
// Adding these spaces is a quick hack due to my problems with regular expressions :)
|
||
preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
|
||
|
||
if (!$matches) {
|
||
preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
|
||
}
|
||
|
||
// Convert urls without bbcode elements
|
||
if (!$matches && $texturl) {
|
||
preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
|
||
|
||
// Yeah, a hack. I really hate regular expressions :)
|
||
if ($matches) {
|
||
$matches[1] = $matches[2];
|
||
}
|
||
}
|
||
|
||
if ($matches) {
|
||
$footer = add_page_info($matches[1], $no_photos);
|
||
}
|
||
|
||
// Remove the link from the body if the link is attached at the end of the post
|
||
if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
|
||
$removedlink = trim(str_replace($matches[1], "", $body));
|
||
if (($removedlink == "") || strstr($body, $removedlink)) {
|
||
$body = $removedlink;
|
||
}
|
||
|
||
$removedlink = preg_replace("/\[url\=" . preg_quote($matches[1], '/') . "\](.*?)\[\/url\]/ism", '', $body);
|
||
if (($removedlink == "") || strstr($body, $removedlink)) {
|
||
$body = $removedlink;
|
||
}
|
||
}
|
||
|
||
// Add the page information to the bottom
|
||
if (isset($footer) && (trim($footer) != "")) {
|
||
$body .= $footer;
|
||
}
|
||
|
||
return $body;
|
||
}
|
||
|
||
/**
|
||
*
|
||
* consume_feed - process atom feed and update anything/everything we might need to update
|
||
*
|
||
* $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
|
||
*
|
||
* $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
|
||
* It is this person's stuff that is going to be updated.
|
||
* $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
|
||
* from an external network and MAY create an appropriate contact record. Otherwise, we MUST
|
||
* have a contact record.
|
||
* $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
|
||
* might not) try and subscribe to it.
|
||
* $datedir sorts in reverse order
|
||
* $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
|
||
* imported prior to its children being seen in the stream unless we are certain
|
||
* of how the feed is arranged/ordered.
|
||
* With $pass = 1, we only pull parent items out of the stream.
|
||
* With $pass = 2, we only pull children (comments/likes).
|
||
*
|
||
* So running this twice, first with pass 1 and then with pass 2 will do the right
|
||
* thing regardless of feed ordering. This won't be adequate in a fully-threaded
|
||
* model where comments can have sub-threads. That would require some massive sorting
|
||
* to get all the feed items into a mostly linear ordering, and might still require
|
||
* recursion.
|
||
*
|
||
* @param $xml
|
||
* @param array $importer
|
||
* @param array $contact
|
||
* @param $hub
|
||
* @throws ImagickException
|
||
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
||
*/
|
||
function consume_feed($xml, array $importer, array $contact, &$hub)
|
||
{
|
||
if ($contact['network'] === Protocol::OSTATUS) {
|
||
Logger::log("Consume OStatus messages ", Logger::DEBUG);
|
||
OStatus::import($xml, $importer, $contact, $hub);
|
||
|
||
return;
|
||
}
|
||
|
||
if ($contact['network'] === Protocol::FEED) {
|
||
Logger::log("Consume feeds", Logger::DEBUG);
|
||
Feed::import($xml, $importer, $contact, $hub);
|
||
|
||
return;
|
||
}
|
||
|
||
if ($contact['network'] === Protocol::DFRN) {
|
||
Logger::log("Consume DFRN messages", Logger::DEBUG);
|
||
$dfrn_importer = DFRN::getImporter($contact["id"], $importer["uid"]);
|
||
if (!empty($dfrn_importer)) {
|
||
Logger::log("Now import the DFRN feed");
|
||
DFRN::import($xml, $dfrn_importer, true);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
function subscribe_to_hub($url, array $importer, array $contact, $hubmode = 'subscribe')
|
||
{
|
||
/*
|
||
* Diaspora has different message-ids in feeds than they do
|
||
* through the direct Diaspora protocol. If we try and use
|
||
* the feed, we'll get duplicates. So don't.
|
||
*/
|
||
if ($contact['network'] === Protocol::DIASPORA) {
|
||
return;
|
||
}
|
||
|
||
// Without an importer we don't have a user id - so we quit
|
||
if (empty($importer)) {
|
||
return;
|
||
}
|
||
|
||
$user = DBA::selectFirst('user', ['nickname'], ['uid' => $importer['uid']]);
|
||
|
||
// No user, no nickname, we quit
|
||
if (!DBA::isResult($user)) {
|
||
return;
|
||
}
|
||
|
||
$push_url = System::baseUrl() . '/pubsub/' . $user['nickname'] . '/' . $contact['id'];
|
||
|
||
// Use a single verify token, even if multiple hubs
|
||
$verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : Strings::getRandomHex());
|
||
|
||
$params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
|
||
|
||
Logger::log('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
|
||
|
||
if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
|
||
DBA::update('contact', ['hub-verify' => $verify_token], ['id' => $contact['id']]);
|
||
}
|
||
|
||
$postResult = Network::post($url, $params);
|
||
|
||
Logger::log('subscribe_to_hub: returns: ' . $postResult->getReturnCode(), Logger::DEBUG);
|
||
|
||
return;
|
||
|
||
}
|
||
|
||
function drop_items(array $items)
|
||
{
|
||
$uid = 0;
|
||
|
||
if (!local_user() && !remote_user()) {
|
||
return;
|
||
}
|
||
|
||
if (!empty($items)) {
|
||
foreach ($items as $item) {
|
||
$owner = Item::deleteForUser(['id' => $item], local_user());
|
||
|
||
if ($owner && !$uid) {
|
||
$uid = $owner;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function drop_item($id, $return = '')
|
||
{
|
||
$a = BaseObject::getApp();
|
||
|
||
// locate item to be deleted
|
||
|
||
$fields = ['id', 'uid', 'guid', 'contact-id', 'deleted', 'gravity', 'parent'];
|
||
$item = Item::selectFirstForUser(local_user(), $fields, ['id' => $id]);
|
||
|
||
if (!DBA::isResult($item)) {
|
||
notice(L10n::t('Item not found.') . EOL);
|
||
$a->internalRedirect('network');
|
||
}
|
||
|
||
if ($item['deleted']) {
|
||
return 0;
|
||
}
|
||
|
||
$contact_id = 0;
|
||
|
||
// check if logged in user is either the author or owner of this item
|
||
|
||
if (!empty($_SESSION['remote'])) {
|
||
foreach ($_SESSION['remote'] as $visitor) {
|
||
if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
|
||
$contact_id = $visitor['cid'];
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if ((local_user() == $item['uid']) || $contact_id) {
|
||
// Check if we should do HTML-based delete confirmation
|
||
if (!empty($_REQUEST['confirm'])) {
|
||
// <form> can't take arguments in its "action" parameter
|
||
// so add any arguments as hidden inputs
|
||
$query = explode_querystring($a->query_string);
|
||
$inputs = [];
|
||
|
||
foreach ($query['args'] as $arg) {
|
||
if (strpos($arg, 'confirm=') === false) {
|
||
$arg_parts = explode('=', $arg);
|
||
$inputs[] = ['name' => $arg_parts[0], 'value' => $arg_parts[1]];
|
||
}
|
||
}
|
||
|
||
return Renderer::replaceMacros(Renderer::getMarkupTemplate('confirm.tpl'), [
|
||
'$method' => 'get',
|
||
'$message' => L10n::t('Do you really want to delete this item?'),
|
||
'$extra_inputs' => $inputs,
|
||
'$confirm' => L10n::t('Yes'),
|
||
'$confirm_url' => $query['base'],
|
||
'$confirm_name' => 'confirmed',
|
||
'$cancel' => L10n::t('Cancel'),
|
||
]);
|
||
}
|
||
// Now check how the user responded to the confirmation query
|
||
if (!empty($_REQUEST['canceled'])) {
|
||
$a->internalRedirect('display/' . $item['guid']);
|
||
}
|
||
|
||
$is_comment = ($item['gravity'] == GRAVITY_COMMENT) ? true : false;
|
||
$parentitem = null;
|
||
if (!empty($item['parent'])){
|
||
$fields = ['guid'];
|
||
$parentitem = Item::selectFirstForUser(local_user(), $fields, ['id' => $item['parent']]);
|
||
}
|
||
|
||
// delete the item
|
||
Item::deleteForUser(['id' => $item['id']], local_user());
|
||
|
||
$return_url = hex2bin($return);
|
||
|
||
// removes update_* from return_url to ignore Ajax refresh
|
||
$return_url = str_replace("update_", "", $return_url);
|
||
|
||
// Check if delete a comment
|
||
if ($is_comment) {
|
||
// Return to parent guid
|
||
if (!empty($parentitem)) {
|
||
$a->internalRedirect('display/' . $parentitem['guid']);
|
||
//NOTREACHED
|
||
}
|
||
// In case something goes wrong
|
||
else {
|
||
$a->internalRedirect('network');
|
||
//NOTREACHED
|
||
}
|
||
}
|
||
else {
|
||
// if unknown location or deleting top level post called from display
|
||
if (empty($return_url) || strpos($return_url, 'display') !== false) {
|
||
$a->internalRedirect('network');
|
||
//NOTREACHED
|
||
} else {
|
||
$a->internalRedirect($return_url);
|
||
//NOTREACHED
|
||
}
|
||
}
|
||
} else {
|
||
notice(L10n::t('Permission denied.') . EOL);
|
||
$a->internalRedirect('display/' . $item['guid']);
|
||
//NOTREACHED
|
||
}
|
||
}
|