Deprecate page_info functions to new PageInfo class
- Add tests for parts not using remote requests - Add scheme requirement for page info URLs - Add policy to keep label from stripped Page Info links
This commit is contained in:
Hypolite Petovan
parent
eba964ec12
commit
f3323aff5e
4 changed files with 457 additions and 185 deletions
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@ -19,209 +19,49 @@
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*
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*/
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\Renderer;
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use Friendica\Core\Session;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Item;
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use Friendica\Protocol\DFRN;
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use Friendica\Protocol\Feed;
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use Friendica\Protocol\OStatus;
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use Friendica\Util\Network;
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use Friendica\Util\ParseUrl;
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use Friendica\Util\Strings;
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require_once __DIR__ . '/../mod/share.php';
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/**
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* @deprecated since 2020.06
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* @see \Friendica\Content\PageInfo::getFooterFromData
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*/
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function add_page_info_data(array $data, $no_photos = false)
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{
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Hook::callAll('page_info_data', $data);
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if (empty($data['type'])) {
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return '';
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}
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// It maybe is a rich content, but if it does have everything that a link has,
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// then treat it that way
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if (($data["type"] == "rich") && is_string($data["title"]) &&
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is_string($data["text"]) && !empty($data["images"])) {
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$data["type"] = "link";
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}
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$data["title"] = $data["title"] ?? '';
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if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
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return "";
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}
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if ($no_photos && ($data["type"] == "photo")) {
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return "";
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}
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// Escape some bad characters
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$data["url"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
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$data["title"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
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$text = "[attachment type='".$data["type"]."'";
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if (empty($data["text"])) {
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$data["text"] = $data["title"];
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}
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if (empty($data["text"])) {
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$data["text"] = $data["url"];
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}
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if (!empty($data["url"])) {
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$text .= " url='".$data["url"]."'";
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}
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if (!empty($data["title"])) {
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$text .= " title='".$data["title"]."'";
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}
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// Only embedd a picture link when it seems to be a valid picture ("width" is set)
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if (!empty($data["images"]) && !empty($data["images"][0]["width"])) {
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$preview = str_replace(["[", "]"], ["[", "]"], htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
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// if the preview picture is larger than 500 pixels then show it in a larger mode
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// But only, if the picture isn't higher than large (To prevent huge posts)
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if (!DI::config()->get('system', 'always_show_preview') && ($data["images"][0]["width"] >= 500)
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&& ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
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$text .= " image='".$preview."'";
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} else {
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$text .= " preview='".$preview."'";
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}
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}
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$text .= "]".$data["text"]."[/attachment]";
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$hashtags = "";
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if (isset($data["keywords"]) && count($data["keywords"])) {
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$hashtags = "\n";
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foreach ($data["keywords"] as $keyword) {
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/// @TODO make a positive list of allowed characters
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$hashtag = str_replace([' ', '+', '/', '.', '#', '@', "'", '"', '’', '`', '(', ')', '„', '“'], '', $keyword);
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$hashtags .= "#[url=" . DI::baseUrl() . "/search?tag=" . $hashtag . "]" . $hashtag . "[/url] ";
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}
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}
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return "\n".$text.$hashtags;
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return "\n" . \Friendica\Content\PageInfo::getFooterFromData($data, $no_photos);
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}
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/**
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* @deprecated since 2020.06
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* @see \Friendica\Content\PageInfo::queryUrl
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*/
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function query_page_info($url, $photo = "", $keywords = false, $keyword_denylist = "")
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{
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$data = ParseUrl::getSiteinfoCached($url, true);
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if ($photo != "") {
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$data["images"][0]["src"] = $photo;
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}
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Logger::log('fetch page info for ' . $url . ' ' . print_r($data, true), Logger::DEBUG);
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if (!$keywords && isset($data["keywords"])) {
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unset($data["keywords"]);
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}
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if (($keyword_denylist != "") && isset($data["keywords"])) {
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$list = explode(", ", $keyword_denylist);
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foreach ($list as $keyword) {
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$keyword = trim($keyword);
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$index = array_search($keyword, $data["keywords"]);
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if ($index !== false) {
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unset($data["keywords"][$index]);
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}
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}
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}
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return $data;
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return \Friendica\Content\PageInfo::queryUrl($url, $photo, $keywords, $keyword_denylist);
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}
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/**
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* @deprecated since 2020.06
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* @see \Friendica\Content\PageInfo::getTagsFromUrl()
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*/
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function get_page_keywords($url, $photo = "", $keywords = false, $keyword_denylist = "")
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{
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$data = query_page_info($url, $photo, $keywords, $keyword_denylist);
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if (empty($data["keywords"]) || !is_array($data["keywords"])) {
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return [];
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}
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$taglist = [];
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foreach ($data['keywords'] as $keyword) {
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$hashtag = str_replace([" ", "+", "/", ".", "#", "'"],
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["", "", "", "", "", ""], $keyword);
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$taglist[] = $hashtag;
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}
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return $taglist;
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return $keywords ? \Friendica\Content\PageInfo::getTagsFromUrl($url, $photo, $keyword_denylist) : [];
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}
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/**
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* @deprecated since 2020.06
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* @see \Friendica\Content\PageInfo::getFooterFromUrl
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*/
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function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_denylist = "")
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{
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$data = query_page_info($url, $photo, $keywords, $keyword_denylist);
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$text = '';
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if (is_array($data)) {
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$text = add_page_info_data($data, $no_photos);
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}
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return $text;
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return "\n" . \Friendica\Content\PageInfo::getFooterFromUrl($url, $no_photos, $photo, $keywords, $keyword_denylist);
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}
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/**
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* @deprecated since 2020.06
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* @see \Friendica\Content\PageInfo::appendToBody
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*/
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function add_page_info_to_body($body, $texturl = false, $no_photos = false)
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{
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Logger::log('add_page_info_to_body: fetch page info for body ' . $body, Logger::DEBUG);
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$URLSearchString = "^\[\]";
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// Fix for Mastodon where the mentions are in a different format
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$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
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'$2[url=$1]$3[/url]', $body);
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// Adding these spaces is a quick hack due to my problems with regular expressions :)
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preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
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if (!$matches) {
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preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
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}
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// Convert urls without bbcode elements
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if (!$matches && $texturl) {
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preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
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// Yeah, a hack. I really hate regular expressions :)
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if ($matches) {
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$matches[1] = $matches[2];
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}
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}
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if ($matches) {
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$footer = add_page_info($matches[1], $no_photos);
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}
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// Remove the link from the body if the link is attached at the end of the post
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if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
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$removedlink = trim(str_replace($matches[1], "", $body));
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if (($removedlink == "") || strstr($body, $removedlink)) {
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$body = $removedlink;
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}
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$removedlink = preg_replace("/\[url\=" . preg_quote($matches[1], '/') . "\](.*?)\[\/url\]/ism", '', $body);
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if (($removedlink == "") || strstr($body, $removedlink)) {
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$body = $removedlink;
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}
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}
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// Add the page information to the bottom
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if (isset($footer) && (trim($footer) != "")) {
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$body .= $footer;
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}
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return $body;
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return \Friendica\Content\PageInfo::appendToBody($body, $texturl, $no_photos);
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}
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/**
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269
src/Content/PageInfo.php
Normal file
269
src/Content/PageInfo.php
Normal file
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@ -0,0 +1,269 @@
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<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Content;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\DI;
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use Friendica\Network\HTTPException;
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use Friendica\Util\ParseUrl;
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use Friendica\Util\Strings;
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/**
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* Extracts trailing URLs from post bodies to transform them in enriched attachment tags through Site Info query
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*/
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class PageInfo
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{
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/**
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* @param string $body
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* @param bool $searchNakedUrls
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* @param bool $no_photos
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* @return string
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function appendToBody(string $body, bool $searchNakedUrls = false, bool $no_photos = false)
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{
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Logger::info('add_page_info_to_body: fetch page info for body', ['body' => $body]);
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$url = self::getRelevantUrlFromBody($body, $searchNakedUrls);
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if (!$url) {
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return $body;
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}
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$footer = self::getFooterFromUrl($url, $no_photos);
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if (!$footer) {
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return $body;
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}
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$body = self::stripTrailingUrlFromBody($body, $url);
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$body .= "\n" . $footer;
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return $body;
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}
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/**
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* @param string $url
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* @param bool $no_photos
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* @param string $photo
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* @param bool $keywords
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* @param string $keyword_denylist
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* @return string
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function getFooterFromUrl(string $url, bool $no_photos = false, string $photo = '', bool $keywords = false, string $keyword_denylist = '')
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{
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$data = self::queryUrl($url, $photo, $keywords, $keyword_denylist);
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return self::getFooterFromData($data, $no_photos);
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}
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/**
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* @param array $data
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* @param bool $no_photos
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* @return string
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function getFooterFromData(array $data, bool $no_photos = false)
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{
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Hook::callAll('page_info_data', $data);
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if (empty($data['type'])) {
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return '';
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}
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// It maybe is a rich content, but if it does have everything that a link has,
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// then treat it that way
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if (($data['type'] == 'rich') && is_string($data['title']) &&
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is_string($data['text']) && !empty($data['images'])) {
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$data['type'] = 'link';
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}
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$data['title'] = $data['title'] ?? '';
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if ((($data['type'] != 'link') && ($data['type'] != 'video') && ($data['type'] != 'photo')) || ($data['title'] == $data['url'])) {
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return '';
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}
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if ($no_photos && ($data['type'] == 'photo')) {
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return '';
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}
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// Escape some bad characters
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$data['url'] = str_replace(['[', ']'], ['[', ']'], htmlentities($data['url'], ENT_QUOTES, 'UTF-8', false));
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$data['title'] = str_replace(['[', ']'], ['[', ']'], htmlentities($data['title'], ENT_QUOTES, 'UTF-8', false));
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$text = "[attachment type='" . $data['type'] . "'";
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if (empty($data['text'])) {
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$data['text'] = $data['title'];
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}
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if (empty($data['text'])) {
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$data['text'] = $data['url'];
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}
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if (!empty($data['url'])) {
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$text .= " url='" . $data['url'] . "'";
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}
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if (!empty($data['title'])) {
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$text .= " title='" . $data['title'] . "'";
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}
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// Only embedd a picture link when it seems to be a valid picture ("width" is set)
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if (!empty($data['images']) && !empty($data['images'][0]['width'])) {
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$preview = str_replace(['[', ']'], ['[', ']'], htmlentities($data['images'][0]['src'], ENT_QUOTES, 'UTF-8', false));
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// if the preview picture is larger than 500 pixels then show it in a larger mode
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// But only, if the picture isn't higher than large (To prevent huge posts)
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if (!DI::config()->get('system', 'always_show_preview') && ($data['images'][0]['width'] >= 500)
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&& ($data['images'][0]['width'] >= $data['images'][0]['height'])) {
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$text .= " image='" . $preview . "'";
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} else {
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$text .= " preview='" . $preview . "'";
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}
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}
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$text .= ']' . $data['text'] . '[/attachment]';
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$hashtags = '';
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if (!empty($data['keywords'])) {
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$hashtags = "\n";
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foreach ($data['keywords'] as $keyword) {
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/// @TODO make a positive list of allowed characters
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$hashtag = str_replace([' ', '+', '/', '.', '#', '@', "'", '"', '’', '`', '(', ')', '„', '“'], '', $keyword);
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$hashtags .= '#[url=' . DI::baseUrl() . '/search?tag=' . $hashtag . ']' . $hashtag . '[/url] ';
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}
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}
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return $text . $hashtags;
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}
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/**
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* @param string $url
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* @param string $photo
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* @param bool $keywords
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* @param string $keyword_denylist
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* @return array|bool
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function queryUrl(string $url, string $photo = '', bool $keywords = false, string $keyword_denylist = '')
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{
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$data = ParseUrl::getSiteinfoCached($url, true);
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if ($photo != '') {
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$data['images'][0]['src'] = $photo;
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}
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if (!$keywords) {
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unset($data['keywords']);
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} elseif ($keyword_denylist) {
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$list = explode(', ', $keyword_denylist);
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foreach ($list as $keyword) {
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$keyword = trim($keyword);
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$index = array_search($keyword, $data['keywords']);
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if ($index !== false) {
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unset($data['keywords'][$index]);
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}
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}
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}
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Logger::info('fetch page info for URL', ['url' => $url, 'data' => $data]);
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return $data;
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}
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/**
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* @param string $url
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* @param string $photo
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* @param string $keyword_denylist
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* @return array
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function getTagsFromUrl(string $url, string $photo = '', string $keyword_denylist = '')
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{
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$data = self::queryUrl($url, $photo, true, $keyword_denylist);
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$taglist = [];
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foreach ($data['keywords'] as $keyword) {
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$hashtag = str_replace([' ', '+', '/', '.', '#', "'"],
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['', '', '', '', '', ''], $keyword);
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$taglist[] = $hashtag;
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}
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return $taglist;
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}
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/**
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* Picks a non-hashtag, non-mention, schemeful URL at the end of the provided body string to be converted into Page Info.
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*
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* @param string $body
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* @param bool $searchNakedUrls Whether we should pick a naked URL (outside of BBCode tags) as a last resort
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* @return string|null
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*/
|
||||
protected static function getRelevantUrlFromBody(string $body, bool $searchNakedUrls = false)
|
||||
{
|
||||
$URLSearchString = 'https?://[^\[\]]*';
|
||||
|
||||
// Fix for Mastodon where the mentions are in a different format
|
||||
$body = preg_replace("~\[url=($URLSearchString)]([#!@])(.*?)\[/url]~is", '$2[url=$1]$3[/url]', $body);
|
||||
|
||||
preg_match("~(?<![!#@])\[url]($URLSearchString)\[/url]$~is", $body, $matches);
|
||||
|
||||
if (!$matches) {
|
||||
preg_match("~(?<![!#@])\[url=($URLSearchString)].*\[/url]$~is", $body, $matches);
|
||||
}
|
||||
|
||||
if (!$matches && $searchNakedUrls) {
|
||||
preg_match('~(?<=\W|^)(?<![=\]])(https?://.+)$~is', $body, $matches);
|
||||
if ($matches && !Strings::endsWith($body, $matches[1])) {
|
||||
unset($matches);
|
||||
}
|
||||
}
|
||||
|
||||
return $matches[1] ?? null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove the provided URL from the body if it is at the end of it.
|
||||
* Keep the link label if it isn't the full URL.
|
||||
*
|
||||
* @param string $body
|
||||
* @param string $url
|
||||
* @return string|string[]|null
|
||||
*/
|
||||
protected static function stripTrailingUrlFromBody(string $body, string $url)
|
||||
{
|
||||
$quotedUrl = preg_quote($url, '#');
|
||||
$body = preg_replace("#(?:
|
||||
\[url]$quotedUrl\[/url]|
|
||||
\[url=$quotedUrl]$quotedUrl\[/url]|
|
||||
\[url=$quotedUrl]([^[]*?)\[/url]|
|
||||
$quotedUrl
|
||||
)$#isx", '$1', $body);
|
||||
|
||||
return $body;
|
||||
}
|
||||
}
|
||||
38
tests/src/Content/PageInfoMock.php
Normal file
38
tests/src/Content/PageInfoMock.php
Normal file
|
|
@ -0,0 +1,38 @@
|
|||
<?php
|
||||
/**
|
||||
* @copyright Copyright (C) 2020, Friendica
|
||||
*
|
||||
* @license GNU AGPL version 3 or any later version
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
namespace Friendica\Test\src\Content;
|
||||
|
||||
/**
|
||||
* Class PageInfoMock
|
||||
*
|
||||
* Exposes protected methods for test in the inherited class
|
||||
*
|
||||
* @method static string|null getRelevantUrlFromBody(string $body, $searchNakedUrls = false)
|
||||
* @method static string stripTrailingUrlFromBody(string $body, string $url)
|
||||
*/
|
||||
class PageInfoMock extends \Friendica\Content\PageInfo
|
||||
{
|
||||
public static function __callStatic($name, $arguments)
|
||||
{
|
||||
return self::$name(...$arguments);
|
||||
}
|
||||
}
|
||||
125
tests/src/Content/PageInfoTest.php
Normal file
125
tests/src/Content/PageInfoTest.php
Normal file
|
|
@ -0,0 +1,125 @@
|
|||
<?php
|
||||
/**
|
||||
* @copyright Copyright (C) 2020, Friendica
|
||||
*
|
||||
* @license GNU AGPL version 3 or any later version
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
namespace Friendica\Test\src\Content;
|
||||
|
||||
use Friendica\Test\MockedTest;
|
||||
|
||||
class PageInfoTest extends MockedTest
|
||||
{
|
||||
public function dataGetRelevantUrlFromBody()
|
||||
{
|
||||
return [
|
||||
'end-of-content' => [
|
||||
'expected' => 'http://example.com/end-of-content',
|
||||
'body' => 'Content[url]http://example.com/end-of-content[/url]',
|
||||
],
|
||||
'tag-no-attr' => [
|
||||
'expected' => 'http://example.com/tag-no-attr',
|
||||
'body' => '[url]http://example.com/tag-no-attr[/url]',
|
||||
],
|
||||
'tag-attr' => [
|
||||
'expected' => 'http://example.com/tag-attr',
|
||||
'body' => '[url=http://example.com/tag-attr]Example.com[/url]',
|
||||
],
|
||||
'mention' => [
|
||||
'expected' => null,
|
||||
'body' => '@[url=http://example.com/mention]Mention[/url]',
|
||||
],
|
||||
'mention-exclusive' => [
|
||||
'expected' => null,
|
||||
'body' => '@[url=http://example.com/mention-exclusive]Mention Exclusive[/url]',
|
||||
],
|
||||
'hashtag' => [
|
||||
'expected' => null,
|
||||
'body' => '#[url=http://example.com/hashtag]hashtag[/url]',
|
||||
],
|
||||
'naked-url-unexpected' => [
|
||||
'expected' => null,
|
||||
'body' => 'http://example.com/naked-url-unexpected',
|
||||
],
|
||||
'naked-url-expected' => [
|
||||
'expected' => 'http://example.com/naked-url-expected',
|
||||
'body' => 'http://example.com/naked-url-expected',
|
||||
'searchNakedUrls' => true,
|
||||
],
|
||||
'naked-url-end-of-content-unexpected' => [
|
||||
'expected' => null,
|
||||
'body' => 'Contenthttp://example.com/naked-url-end-of-content-unexpected',
|
||||
'searchNakedUrls' => true,
|
||||
],
|
||||
'naked-url-end-of-content-expected' => [
|
||||
'expected' => 'http://example.com/naked-url-end-of-content-expected',
|
||||
'body' => 'Content http://example.com/naked-url-end-of-content-expected',
|
||||
'searchNakedUrls' => true,
|
||||
],
|
||||
'bug-8781-schemeless-link' => [
|
||||
'expected' => null,
|
||||
'body' => '[url]/posts/2576978090fd0138ee4c005056264835[/url]',
|
||||
],
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @dataProvider dataGetRelevantUrlFromBody
|
||||
*
|
||||
* @param string|null $expected
|
||||
* @param string $body
|
||||
* @param bool $searchNakedUrls
|
||||
*/
|
||||
public function testGetRelevantUrlFromBody($expected, string $body, bool $searchNakedUrls = false)
|
||||
{
|
||||
$this->assertSame($expected, PageInfoMock::getRelevantUrlFromBody($body, $searchNakedUrls));
|
||||
}
|
||||
|
||||
public function dataStripTrailingUrlFromBody()
|
||||
{
|
||||
return [
|
||||
'naked-url-append' => [
|
||||
'expected' => 'content',
|
||||
'body' => 'contenthttps://example.com',
|
||||
'url' => 'https://example.com',
|
||||
],
|
||||
'naked-url-not-at-the-end' => [
|
||||
'expected' => 'https://example.comcontent',
|
||||
'body' => 'https://example.comcontent',
|
||||
'url' => 'https://example.com',
|
||||
],
|
||||
'bug-8781-labeled-link' => [
|
||||
'expected' => 'link label',
|
||||
'body' => '[url=https://example.com]link label[/url]',
|
||||
'url' => 'https://example.com',
|
||||
],
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @dataProvider dataStripTrailingUrlFromBody
|
||||
*
|
||||
* @param string $expected
|
||||
* @param string $body
|
||||
* @param string $url
|
||||
*/
|
||||
public function testStripTrailingUrlFromBody(string $expected, string $body, string $url)
|
||||
{
|
||||
$this->assertSame($expected, PageInfoMock::stripTrailingUrlFromBody($body, $url));
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue