153 lines
3.7 KiB
PHP
153 lines
3.7 KiB
PHP
<?php
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/**
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* @file mod/parse_url.php
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* @brief The parse_url module
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*
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* This module does parse an url for embeddable content (audio, video, image files or link)
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* information and does format this information to BBCode
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*
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* @see ParseUrl::getSiteinfo() for more information about scraping embeddable content
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*/
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use Friendica\App;
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use Friendica\Core\Addon;
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use Friendica\Util\ParseUrl;
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require_once("include/items.php");
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function parse_url_content(App $a) {
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$text = null;
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$str_tags = "";
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$br = "\n";
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if (x($_GET,"binurl")) {
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$url = trim(hex2bin($_GET["binurl"]));
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} else {
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$url = trim($_GET["url"]);
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}
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if ($_GET["title"]) {
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$title = strip_tags(trim($_GET["title"]));
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}
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if ($_GET["description"]) {
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$text = strip_tags(trim($_GET["description"]));
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}
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if ($_GET["tags"]) {
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$arr_tags = ParseUrl::convertTagsToArray($_GET["tags"]);
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if (count($arr_tags)) {
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$str_tags = $br . implode(" ", $arr_tags) . $br;
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}
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}
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// Add url scheme if it is missing
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$arrurl = parse_url($url);
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if (!x($arrurl, "scheme")) {
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if (x($arrurl, "host")) {
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$url = "http:".$url;
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} else {
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$url = "http://".$url;
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}
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}
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logger("prse_url: " . $url);
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// Check if the URL is an image, video or audio file. If so format
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// the URL with the corresponding BBCode media tag
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$redirects = 0;
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// Fetch the header of the URL
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$result = z_fetch_url($url, false, $redirects, ["novalidate" => true, "nobody" => true]);
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if($result["success"]) {
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// Convert the header fields into an array
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$hdrs = [];
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$h = explode("\n", $result["header"]);
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foreach ($h as $l) {
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list($k,$v) = array_map("trim", explode(":", trim($l), 2));
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$hdrs[$k] = $v;
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}
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if (array_key_exists("Content-Type", $hdrs)) {
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$type = $hdrs["Content-Type"];
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}
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if ($type) {
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if(stripos($type, "image/") !== false) {
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echo $br . "[img]" . $url . "[/img]" . $br;
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killme();
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}
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if (stripos($type, "video/") !== false) {
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echo $br . "[video]" . $url . "[/video]" . $br;
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killme();
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}
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if (stripos($type, "audio/") !== false) {
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echo $br . "[audio]" . $url . "[/audio]" . $br;
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killme();
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}
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}
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}
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$template = "[bookmark=%s]%s[/bookmark]%s";
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$arr = ["url" => $url, "text" => ""];
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Addon::callHooks("parse_link", $arr);
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if (strlen($arr["text"])) {
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echo $arr["text"];
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killme();
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}
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// If there is allready some content information submitted we don't
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// need to parse the url for content.
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if ($url && $title && $text) {
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$title = str_replace(["\r","\n"],["",""],$title);
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$text = "[quote]" . trim($text) . "[/quote]" . $br;
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$result = sprintf($template, $url, ($title) ? $title : $url, $text) . $str_tags;
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logger("parse_url (unparsed): returns: " . $result);
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echo $result;
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killme();
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}
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// Fetch the information directly from the webpage
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$siteinfo = ParseUrl::getSiteinfo($url);
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unset($siteinfo["keywords"]);
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// Format it as BBCode attachment
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$info = add_page_info_data($siteinfo);
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echo $info;
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killme();
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}
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/**
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* @brief Legacy function to call ParseUrl::getSiteinfoCached
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*
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* Note: We have moved the function to ParseUrl.php. This function is only for
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* legacy support and will be remove in the future
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*
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* @param type $url The url of the page which should be scraped
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* @param type $no_guessing If true the parse doens't search for
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* preview pictures
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* @param type $do_oembed The false option is used by the function fetch_oembed()
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* to avoid endless loops
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*
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* @return array which contains needed data for embedding
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*
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* @see ParseUrl::getSiteinfoCached()
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*
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* @todo Remove this function after all Addons has been changed to use
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* ParseUrl::getSiteinfoCached
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*/
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function parseurl_getsiteinfo_cached($url, $no_guessing = false, $do_oembed = true) {
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$siteinfo = ParseUrl::getSiteinfoCached($url, $no_guessing, $do_oembed);
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return $siteinfo;
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}
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