*/
namespace Friendica\Util;
-use Friendica\Content\OEmbed;
-use Friendica\Core\Addon;
-use Friendica\Object\Image;
-use Friendica\Util\Network;
-use Friendica\Util\XML;
-
-use dba;
-use DOMXPath;
use DOMDocument;
-
-require_once 'include/dba.php';
+use DOMXPath;
+use Friendica\Content\OEmbed;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Database\DBA;
/**
* @brief Class with methods for extracting certain content from an url
* @brief Search for chached embeddable data of an url otherwise fetch it
*
* @param string $url The url of the page which should be scraped
- * @param bool $no_guessing If true the parse doens't search for
- * preview pictures
- * @param bool $do_oembed The false option is used by the function fetch_oembed()
- * to avoid endless loops
+ * @param bool $no_guessing If true the parse doens't search for
+ * preview pictures
+ * @param bool $do_oembed The false option is used by the function fetch_oembed()
+ * to avoid endless loops
*
* @return array which contains needed data for embedding
* string 'url' => The url of the parsed page
* array'images' = Array of preview pictures
* string 'keywords' => The tags which belong to the content
*
- * @see ParseUrl::getSiteinfo() for more information about scraping
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @see ParseUrl::getSiteinfo() for more information about scraping
* embeddable content
*/
public static function getSiteinfoCached($url, $no_guessing = false, $do_oembed = true)
return false;
}
- $parsed_url = dba::selectFirst('parsed_url', ['content'],
- ['url' => normalise_link($url), 'guessing' => !$no_guessing, 'oembed' => $do_oembed]
+ $parsed_url = DBA::selectFirst('parsed_url', ['content'],
+ ['url' => Strings::normaliseLink($url), 'guessing' => !$no_guessing, 'oembed' => $do_oembed]
);
if (!empty($parsed_url['content'])) {
$data = unserialize($parsed_url['content']);
$data = self::getSiteinfo($url, $no_guessing, $do_oembed);
- dba::insert(
+ DBA::insert(
'parsed_url',
[
- 'url' => normalise_link($url), 'guessing' => !$no_guessing,
+ 'url' => Strings::normaliseLink($url), 'guessing' => !$no_guessing,
'oembed' => $do_oembed, 'content' => serialize($data),
'created' => DateTimeFormat::utcNow()
],
return $data;
}
+
/**
* @brief Parse a page for embeddable content information
*
* \<meta name="description" content="An awesome description"\>
*
* @param string $url The url of the page which should be scraped
- * @param bool $no_guessing If true the parse doens't search for
- * preview pictures
- * @param bool $do_oembed The false option is used by the function fetch_oembed()
- * to avoid endless loops
- * @param int $count Internal counter to avoid endless loops
+ * @param bool $no_guessing If true the parse doens't search for
+ * preview pictures
+ * @param bool $do_oembed The false option is used by the function fetch_oembed()
+ * to avoid endless loops
+ * @param int $count Internal counter to avoid endless loops
*
* @return array which contains needed data for embedding
* string 'url' => The url of the parsed page
* array'images' = Array of preview pictures
* string 'keywords' => The tags which belong to the content
*
- * @todo https://developers.google.com/+/plugins/snippet/
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @todo https://developers.google.com/+/plugins/snippet/
* @verbatim
* <meta itemprop="name" content="Awesome title">
* <meta itemprop="description" content="An awesome description">
*/
public static function getSiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1)
{
- $a = get_app();
-
$siteinfo = [];
// Check if the URL does contain a scheme
$scheme = parse_url($url, PHP_URL_SCHEME);
- if ($scheme == "") {
- $url = "http://".trim($url, "/");
+ if ($scheme == '') {
+ $url = 'http://' . trim($url, '/');
}
if ($count > 10) {
- logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG);
- return($siteinfo);
+ Logger::log('Endless loop detected for ' . $url, Logger::DEBUG);
+ return $siteinfo;
}
$url = trim($url, "'");
$url = Network::stripTrackingQueryParams($url);
- $siteinfo["url"] = $url;
- $siteinfo["type"] = "link";
+ $siteinfo['url'] = $url;
+ $siteinfo['type'] = 'link';
- $data = Network::curl($url);
- if (!$data['success']) {
- return($siteinfo);
+ $curlResult = Network::curl($url);
+ if (!$curlResult->isSuccess()) {
+ return $siteinfo;
}
// If the file is too large then exit
- if ($data["info"]["download_content_length"] > 1000000) {
- return($siteinfo);
+ if (($curlResult->getInfo()['download_content_length'] ?? 0) > 1000000) {
+ return $siteinfo;
}
// If it isn't a HTML file then exit
- if (($data["info"]["content_type"] != "") && !strstr(strtolower($data["info"]["content_type"]), "html")) {
- return($siteinfo);
+ if (($curlResult->getContentType() != '') && !strstr(strtolower($curlResult->getContentType()), 'html')) {
+ return $siteinfo;
}
- $header = $data["header"];
- $body = $data["body"];
+ $header = $curlResult->getHeader();
+ $body = $curlResult->getBody();
if ($do_oembed) {
$oembed_data = OEmbed::fetchURL($url);
- if (!in_array($oembed_data->type, ["error", "rich", ""])) {
- $siteinfo["type"] = $oembed_data->type;
- }
-
- if (($oembed_data->type == "link") && ($siteinfo["type"] != "photo")) {
- if (isset($oembed_data->title)) {
- $siteinfo["title"] = trim($oembed_data->title);
+ if (!empty($oembed_data->type)) {
+ if (!in_array($oembed_data->type, ['error', 'rich', ''])) {
+ $siteinfo['type'] = $oembed_data->type;
}
- if (isset($oembed_data->description)) {
- $siteinfo["text"] = trim($oembed_data->description);
- }
- if (isset($oembed_data->thumbnail_url)) {
- $siteinfo["image"] = $oembed_data->thumbnail_url;
+
+ // See https://github.com/friendica/friendica/pull/5763#discussion_r217913178
+ if ($siteinfo['type'] != 'photo') {
+ if (isset($oembed_data->title)) {
+ $siteinfo['title'] = trim($oembed_data->title);
+ }
+ if (isset($oembed_data->description)) {
+ $siteinfo['text'] = trim($oembed_data->description);
+ }
+ if (isset($oembed_data->thumbnail_url)) {
+ $siteinfo['image'] = $oembed_data->thumbnail_url;
+ }
}
}
}
// Fetch the first mentioned charset. Can be in body or header
- $charset = "";
- if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) {
+ $charset = '';
+ if (preg_match('/charset=(.*?)[\'"\s\n]/', $header, $matches)) {
$charset = trim(trim(trim(array_pop($matches)), ';,'));
}
- if ($charset == "") {
- $charset = "utf-8";
- }
+ if ($charset && strtoupper($charset) != 'UTF-8') {
+ // See https://github.com/friendica/friendica/issues/5470#issuecomment-418351211
+ $charset = str_ireplace('latin-1', 'latin1', $charset);
- if (($charset != "") && (strtoupper($charset) != "UTF-8")) {
- logger("parseurl_getsiteinfo: detected charset ".$charset, LOGGER_DEBUG);
- //$body = mb_convert_encoding($body, "UTF-8", $charset);
- $body = iconv($charset, "UTF-8//TRANSLIT", $body);
+ Logger::log('detected charset ' . $charset, Logger::DEBUG);
+ $body = iconv($charset, 'UTF-8//TRANSLIT', $body);
}
- $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
+ $body = mb_convert_encoding($body, 'HTML-ENTITIES', 'UTF-8');
$doc = new DOMDocument();
@$doc->loadHTML($body);
- XML::deleteNode($doc, "style");
- XML::deleteNode($doc, "script");
- XML::deleteNode($doc, "option");
- XML::deleteNode($doc, "h1");
- XML::deleteNode($doc, "h2");
- XML::deleteNode($doc, "h3");
- XML::deleteNode($doc, "h4");
- XML::deleteNode($doc, "h5");
- XML::deleteNode($doc, "h6");
- XML::deleteNode($doc, "ol");
- XML::deleteNode($doc, "ul");
+ XML::deleteNode($doc, 'style');
+ XML::deleteNode($doc, 'script');
+ XML::deleteNode($doc, 'option');
+ XML::deleteNode($doc, 'h1');
+ XML::deleteNode($doc, 'h2');
+ XML::deleteNode($doc, 'h3');
+ XML::deleteNode($doc, 'h4');
+ XML::deleteNode($doc, 'h5');
+ XML::deleteNode($doc, 'h6');
+ XML::deleteNode($doc, 'ol');
+ XML::deleteNode($doc, 'ul');
$xpath = new DOMXPath($doc);
- $list = $xpath->query("//meta[@content]");
+ $list = $xpath->query('//meta[@content]');
foreach ($list as $node) {
- $attr = [];
+ $meta_tag = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attr[$attribute->name] = $attribute->value;
+ $meta_tag[$attribute->name] = $attribute->value;
}
}
- if (@$attr["http-equiv"] == "refresh") {
- $path = $attr["content"];
- $pathinfo = explode(";", $path);
- $content = "";
+ if (@$meta_tag['http-equiv'] == 'refresh') {
+ $path = $meta_tag['content'];
+ $pathinfo = explode(';', $path);
+ $content = '';
foreach ($pathinfo as $value) {
- if (substr(strtolower($value), 0, 4) == "url=") {
+ if (substr(strtolower($value), 0, 4) == 'url=') {
$content = substr($value, 4);
}
}
- if ($content != "") {
+ if ($content != '') {
$siteinfo = self::getSiteinfo($content, $no_guessing, $do_oembed, ++$count);
- return($siteinfo);
+ return $siteinfo;
}
}
}
- $list = $xpath->query("//title");
+ $list = $xpath->query('//title');
if ($list->length > 0) {
- $siteinfo["title"] = trim($list->item(0)->nodeValue);
+ $siteinfo['title'] = trim($list->item(0)->nodeValue);
}
- //$list = $xpath->query("head/meta[@name]");
- $list = $xpath->query("//meta[@name]");
+ $list = $xpath->query('//meta[@name]');
foreach ($list as $node) {
- $attr = [];
+ $meta_tag = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attr[$attribute->name] = $attribute->value;
+ $meta_tag[$attribute->name] = $attribute->value;
}
}
- $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
-
- if ($attr["content"] != "") {
- switch (strtolower($attr["name"])) {
- case "fulltitle":
- $siteinfo["title"] = trim($attr["content"]);
- break;
- case "description":
- $siteinfo["text"] = trim($attr["content"]);
- break;
- case "thumbnail":
- $siteinfo["image"] = $attr["content"];
- break;
- case "twitter:image":
- $siteinfo["image"] = $attr["content"];
- break;
- case "twitter:image:src":
- $siteinfo["image"] = $attr["content"];
- break;
- case "twitter:card":
- if (($siteinfo["type"] == "") || ($attr["content"] == "photo")) {
- $siteinfo["type"] = $attr["content"];
- }
- break;
- case "twitter:description":
- $siteinfo["text"] = trim($attr["content"]);
- break;
- case "twitter:title":
- $siteinfo["title"] = trim($attr["content"]);
- break;
- case "dc.title":
- $siteinfo["title"] = trim($attr["content"]);
- break;
- case "dc.description":
- $siteinfo["text"] = trim($attr["content"]);
- break;
- case "keywords":
- $keywords = explode(",", $attr["content"]);
- break;
- case "news_keywords":
- $keywords = explode(",", $attr["content"]);
- break;
- }
+ if (empty($meta_tag['content'])) {
+ continue;
}
- if ($siteinfo["type"] == "summary") {
- $siteinfo["type"] = "link";
+
+ $meta_tag['content'] = trim(html_entity_decode($meta_tag['content'], ENT_QUOTES, 'UTF-8'));
+
+ switch (strtolower($meta_tag['name'])) {
+ case 'fulltitle':
+ $siteinfo['title'] = trim($meta_tag['content']);
+ break;
+ case 'description':
+ $siteinfo['text'] = trim($meta_tag['content']);
+ break;
+ case 'thumbnail':
+ $siteinfo['image'] = $meta_tag['content'];
+ break;
+ case 'twitter:image':
+ $siteinfo['image'] = $meta_tag['content'];
+ break;
+ case 'twitter:image:src':
+ $siteinfo['image'] = $meta_tag['content'];
+ break;
+ case 'twitter:card':
+ // Detect photo pages
+ if ($meta_tag['content'] == 'summary_large_image') {
+ $siteinfo['type'] = 'photo';
+ }
+ break;
+ case 'twitter:description':
+ $siteinfo['text'] = trim($meta_tag['content']);
+ break;
+ case 'twitter:title':
+ $siteinfo['title'] = trim($meta_tag['content']);
+ break;
+ case 'dc.title':
+ $siteinfo['title'] = trim($meta_tag['content']);
+ break;
+ case 'dc.description':
+ $siteinfo['text'] = trim($meta_tag['content']);
+ break;
+ case 'keywords':
+ $keywords = explode(',', $meta_tag['content']);
+ break;
+ case 'news_keywords':
+ $keywords = explode(',', $meta_tag['content']);
+ break;
}
}
if (isset($keywords)) {
- $siteinfo["keywords"] = [];
+ $siteinfo['keywords'] = [];
foreach ($keywords as $keyword) {
- if (!in_array(trim($keyword), $siteinfo["keywords"])) {
- $siteinfo["keywords"][] = trim($keyword);
+ if (!in_array(trim($keyword), $siteinfo['keywords'])) {
+ $siteinfo['keywords'][] = trim($keyword);
}
}
}
- //$list = $xpath->query("head/meta[@property]");
- $list = $xpath->query("//meta[@property]");
+ $list = $xpath->query('//meta[@property]');
foreach ($list as $node) {
- $attr = [];
+ $meta_tag = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attr[$attribute->name] = $attribute->value;
+ $meta_tag[$attribute->name] = $attribute->value;
}
}
- $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
+ if (!empty($meta_tag['content'])) {
+ $meta_tag['content'] = trim(html_entity_decode($meta_tag['content'], ENT_QUOTES, 'UTF-8'));
- if ($attr["content"] != "") {
- switch (strtolower($attr["property"])) {
- case "og:image":
- $siteinfo["image"] = $attr["content"];
+ switch (strtolower($meta_tag['property'])) {
+ case 'og:image':
+ $siteinfo['image'] = $meta_tag['content'];
break;
- case "og:title":
- $siteinfo["title"] = trim($attr["content"]);
+ case 'og:title':
+ $siteinfo['title'] = trim($meta_tag['content']);
break;
- case "og:description":
- $siteinfo["text"] = trim($attr["content"]);
+ case 'og:description':
+ $siteinfo['text'] = trim($meta_tag['content']);
break;
}
}
}
- if ((@$siteinfo["image"] == "") && !$no_guessing) {
- $list = $xpath->query("//img[@src]");
+ // Prevent to have a photo type without an image
+ if ((empty($siteinfo['image']) || !empty($siteinfo['text'])) && ($siteinfo['type'] == 'photo')) {
+ $siteinfo['type'] = 'link';
+ }
+
+ if (empty($siteinfo['image']) && !$no_guessing) {
+ $list = $xpath->query('//img[@src]');
foreach ($list as $node) {
- $attr = [];
+ $img_tag = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attr[$attribute->name] = $attribute->value;
+ $img_tag[$attribute->name] = $attribute->value;
}
}
- $src = self::completeUrl($attr["src"], $url);
- $photodata = Image::getInfoFromURL($src);
+ $src = self::completeUrl($img_tag['src'], $url);
+ $photodata = Images::getInfoFromURLCached($src);
if (($photodata) && ($photodata[0] > 150) && ($photodata[1] > 150)) {
if ($photodata[0] > 300) {
$photodata[0] = round($photodata[0] * (300 / $photodata[1]));
$photodata[1] = 300;
}
- $siteinfo["images"][] = ["src" => $src,
- "width" => $photodata[0],
- "height" => $photodata[1]];
+ $siteinfo['images'][] = [
+ 'src' => $src,
+ 'width' => $photodata[0],
+ 'height' => $photodata[1]
+ ];
}
}
- } elseif ($siteinfo["image"] != "") {
- $src = self::completeUrl($siteinfo["image"], $url);
+ } elseif (!empty($siteinfo['image'])) {
+ $src = self::completeUrl($siteinfo['image'], $url);
- unset($siteinfo["image"]);
+ unset($siteinfo['image']);
- $photodata = Image::getInfoFromURL($src);
+ $photodata = Images::getInfoFromURLCached($src);
if (($photodata) && ($photodata[0] > 10) && ($photodata[1] > 10)) {
- $siteinfo["images"][] = ["src" => $src,
- "width" => $photodata[0],
- "height" => $photodata[1]];
+ $siteinfo['images'][] = ['src' => $src,
+ 'width' => $photodata[0],
+ 'height' => $photodata[1]];
}
}
- if ((@$siteinfo["text"] == "") && (@$siteinfo["title"] != "") && !$no_guessing) {
- $text = "";
+ if ((@$siteinfo['text'] == '') && (@$siteinfo['title'] != '') && !$no_guessing) {
+ $text = '';
- $list = $xpath->query("//div[@class='article']");
+ $list = $xpath->query('//div[@class="article"]');
foreach ($list as $node) {
if (strlen($node->nodeValue) > 40) {
- $text .= " ".trim($node->nodeValue);
+ $text .= ' ' . trim($node->nodeValue);
}
}
- if ($text == "") {
- $list = $xpath->query("//div[@class='content']");
+ if ($text == '') {
+ $list = $xpath->query('//div[@class="content"]');
foreach ($list as $node) {
if (strlen($node->nodeValue) > 40) {
- $text .= " ".trim($node->nodeValue);
+ $text .= ' ' . trim($node->nodeValue);
}
}
}
// If none text was found then take the paragraph content
- if ($text == "") {
- $list = $xpath->query("//p");
+ if ($text == '') {
+ $list = $xpath->query('//p');
foreach ($list as $node) {
if (strlen($node->nodeValue) > 40) {
- $text .= " ".trim($node->nodeValue);
+ $text .= ' ' . trim($node->nodeValue);
}
}
}
- if ($text != "") {
- $text = trim(str_replace(["\n", "\r"], [" ", " "], $text));
+ if ($text != '') {
+ $text = trim(str_replace(["\n", "\r"], [' ', ' '], $text));
- while (strpos($text, " ")) {
- $text = trim(str_replace(" ", " ", $text));
+ while (strpos($text, ' ')) {
+ $text = trim(str_replace(' ', ' ', $text));
}
- $siteinfo["text"] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, "UTF-8").'...');
+ $siteinfo['text'] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, 'UTF-8') . '...');
}
}
- logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
+ Logger::log('Siteinfo for ' . $url . ' ' . print_r($siteinfo, true), Logger::DEBUG);
- Addon::callHooks("getsiteinfo", $siteinfo);
+ Hook::callAll('getsiteinfo', $siteinfo);
- return($siteinfo);
+ return $siteinfo;
}
/**
$complete = $schemearr["scheme"]."://".$schemearr["host"];
- if (@$schemearr["port"] != "") {
+ if (!empty($schemearr["port"])) {
$complete .= ":".$schemearr["port"];
}
- if (strpos($urlarr["path"], "/") !== 0) {
- $complete .= "/";
- }
+ if (!empty($urlarr["path"])) {
+ if (strpos($urlarr["path"], "/") !== 0) {
+ $complete .= "/";
+ }
- $complete .= $urlarr["path"];
+ $complete .= $urlarr["path"];
+ }
- if (@$urlarr["query"] != "") {
+ if (!empty($urlarr["query"])) {
$complete .= "?".$urlarr["query"];
}
- if (@$urlarr["fragment"] != "") {
+ if (!empty($urlarr["fragment"])) {
$complete .= "#".$urlarr["fragment"];
}
projects / friendica.git / blobdiff