Browse Source
parse_url: recognize image/video/audio files + move functions into own class
pull/2973/head
parse_url: recognize image/video/audio files + move functions into own class
pull/2973/head
rabuzarus
5 years ago
5 changed files with 622 additions and 483 deletions
-
482include/ParseUrl.php
-
9include/items.php
-
75include/oembed.php
-
22include/plaintext.php
-
517mod/parse_url.php
@ -0,0 +1,482 @@ |
|||
<?php |
|||
|
|||
/** |
|||
* @file include/ParseUrl.php |
|||
* @brief Get informations about a given URL |
|||
*/ |
|||
|
|||
namespace Friendica; |
|||
|
|||
use \Friendica\Core\Config; |
|||
|
|||
require_once("include/network.php"); |
|||
require_once("include/Photo.php"); |
|||
require_once("include/oembed.php"); |
|||
|
|||
/** |
|||
* @brief Class with methods for extracting certain content from an url |
|||
*/ |
|||
class ParseUrl { |
|||
|
|||
public static function getSiteinfoCached($url, $no_guessing = false, $do_oembed = true) { |
|||
|
|||
if ($url == "") { |
|||
return false; |
|||
} |
|||
|
|||
$r = q("SELECT * FROM `parsed_url` WHERE `url` = '%s' AND `guessing` = %d AND `oembed` = %d", |
|||
dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed)); |
|||
|
|||
if ($r) { |
|||
$data = $r[0]["content"]; |
|||
} |
|||
|
|||
if (!is_null($data)) { |
|||
$data = unserialize($data); |
|||
return $data; |
|||
} |
|||
|
|||
$data = self::getSiteinfo($url, $no_guessing, $do_oembed); |
|||
|
|||
q("INSERT INTO `parsed_url` (`url`, `guessing`, `oembed`, `content`, `created`) VALUES ('%s', %d, %d, '%s', '%s')
|
|||
ON DUPLICATE KEY UPDATE `content` = '%s', `created` = '%s'",
|
|||
dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed), |
|||
dbesc(serialize($data)), dbesc(datetime_convert()), |
|||
dbesc(serialize($data)), dbesc(datetime_convert())); |
|||
|
|||
return $data; |
|||
} |
|||
|
|||
public static function getSiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) { |
|||
|
|||
$a = get_app(); |
|||
|
|||
$siteinfo = array(); |
|||
|
|||
// Check if the URL does contain a scheme
|
|||
$scheme = parse_url($url, PHP_URL_SCHEME); |
|||
|
|||
if ($scheme == "") { |
|||
$url = "http://".trim($url, "/"); |
|||
} |
|||
|
|||
if ($count > 10) { |
|||
logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG); |
|||
return($siteinfo); |
|||
} |
|||
|
|||
$url = trim($url, "'"); |
|||
$url = trim($url, '"'); |
|||
|
|||
$url = original_url($url); |
|||
|
|||
$siteinfo["url"] = $url; |
|||
$siteinfo["type"] = "link"; |
|||
|
|||
$check_cert = Config::get("system", "verifyssl"); |
|||
|
|||
$stamp1 = microtime(true); |
|||
|
|||
$ch = curl_init(); |
|||
curl_setopt($ch, CURLOPT_URL, $url); |
|||
curl_setopt($ch, CURLOPT_HEADER, 1); |
|||
curl_setopt($ch, CURLOPT_NOBODY, 1); |
|||
curl_setopt($ch, CURLOPT_TIMEOUT, 3); |
|||
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
|||
curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent()); |
|||
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false)); |
|||
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false)); |
|||
|
|||
$header = curl_exec($ch); |
|||
$curl_info = @curl_getinfo($ch); |
|||
$http_code = $curl_info["http_code"]; |
|||
curl_close($ch); |
|||
|
|||
$a->save_timestamp($stamp1, "network"); |
|||
|
|||
if ((($curl_info["http_code"] == "301") || ($curl_info["http_code"] == "302") || ($curl_info["http_code"] == "303") || ($curl_info["http_code"] == "307")) |
|||
&& (($curl_info["redirect_url"] != "") || ($curl_info["location"] != ""))) { |
|||
if ($curl_info["redirect_url"] != "") { |
|||
$siteinfo = self::getSiteinfo($curl_info["redirect_url"], $no_guessing, $do_oembed, ++$count); |
|||
} else { |
|||
$siteinfo = self::getSiteinfo($curl_info["location"], $no_guessing, $do_oembed, ++$count); |
|||
} |
|||
return($siteinfo); |
|||
} |
|||
|
|||
// If the file is too large then exit
|
|||
if ($curl_info["download_content_length"] > 1000000) { |
|||
return($siteinfo); |
|||
} |
|||
|
|||
// If it isn't a HTML file then exit
|
|||
if (($curl_info["content_type"] != "") && !strstr(strtolower($curl_info["content_type"]), "html")) { |
|||
return($siteinfo); |
|||
} |
|||
|
|||
if ($do_oembed) { |
|||
|
|||
$oembed_data = oembed_fetch_url($url); |
|||
|
|||
if (!in_array($oembed_data->type, array("error", "rich"))) { |
|||
$siteinfo["type"] = $oembed_data->type; |
|||
} |
|||
|
|||
if (($oembed_data->type == "link") && ($siteinfo["type"] != "photo")) { |
|||
if (isset($oembed_data->title)) { |
|||
$siteinfo["title"] = $oembed_data->title; |
|||
} |
|||
if (isset($oembed_data->description)) { |
|||
$siteinfo["text"] = trim($oembed_data->description); |
|||
} |
|||
if (isset($oembed_data->thumbnail_url)) { |
|||
$siteinfo["image"] = $oembed_data->thumbnail_url; |
|||
} |
|||
} |
|||
} |
|||
|
|||
$stamp1 = microtime(true); |
|||
|
|||
// Now fetch the body as well
|
|||
$ch = curl_init(); |
|||
curl_setopt($ch, CURLOPT_URL, $url); |
|||
curl_setopt($ch, CURLOPT_HEADER, 1); |
|||
curl_setopt($ch, CURLOPT_NOBODY, 0); |
|||
curl_setopt($ch, CURLOPT_TIMEOUT, 10); |
|||
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
|||
curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent()); |
|||
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false)); |
|||
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false)); |
|||
|
|||
$header = curl_exec($ch); |
|||
$curl_info = @curl_getinfo($ch); |
|||
$http_code = $curl_info["http_code"]; |
|||
curl_close($ch); |
|||
|
|||
$a->save_timestamp($stamp1, "network"); |
|||
|
|||
// Fetch the first mentioned charset. Can be in body or header
|
|||
$charset = ""; |
|||
if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) { |
|||
$charset = trim(trim(trim(array_pop($matches)), ';,')); |
|||
} |
|||
|
|||
if ($charset == "") { |
|||
$charset = "utf-8"; |
|||
} |
|||
|
|||
$pos = strpos($header, "\r\n\r\n"); |
|||
|
|||
if ($pos) { |
|||
$body = trim(substr($header, $pos)); |
|||
} else { |
|||
$body = $header; |
|||
} |
|||
|
|||
if (($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); |
|||
} |
|||
|
|||
$body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); |
|||
|
|||
$doc = new \DOMDocument(); |
|||
@$doc->loadHTML($body); |
|||
|
|||
self::deleteNode($doc, "style"); |
|||
self::deleteNode($doc, "script"); |
|||
self::deleteNode($doc, "option"); |
|||
self::deleteNode($doc, "h1"); |
|||
self::deleteNode($doc, "h2"); |
|||
self::deleteNode($doc, "h3"); |
|||
self::deleteNode($doc, "h4"); |
|||
self::deleteNode($doc, "h5"); |
|||
self::deleteNode($doc, "h6"); |
|||
self::deleteNode($doc, "ol"); |
|||
self::deleteNode($doc, "ul"); |
|||
|
|||
$xpath = new \DomXPath($doc); |
|||
|
|||
$list = $xpath->query("//meta[@content]"); |
|||
foreach ($list as $node) { |
|||
$attr = array(); |
|||
if ($node->attributes->length) { |
|||
foreach ($node->attributes as $attribute) { |
|||
$attr[$attribute->name] = $attribute->value; |
|||
} |
|||
} |
|||
|
|||
if (@$attr["http-equiv"] == "refresh") { |
|||
$path = $attr["content"]; |
|||
$pathinfo = explode(";", $path); |
|||
$content = ""; |
|||
foreach ($pathinfo as $value) { |
|||
if (substr(strtolower($value), 0, 4) == "url=") { |
|||
$content = substr($value, 4); |
|||
} |
|||
} |
|||
if ($content != "") { |
|||
$siteinfo = self::getSiteinfo($content, $no_guessing, $do_oembed, ++$count); |
|||
return($siteinfo); |
|||
} |
|||
} |
|||
} |
|||
|
|||
$list = $xpath->query("//title"); |
|||
if ($list->length > 0) { |
|||
$siteinfo["title"] = $list->item(0)->nodeValue; |
|||
} |
|||
|
|||
//$list = $xpath->query("head/meta[@name]");
|
|||
$list = $xpath->query("//meta[@name]"); |
|||
foreach ($list as $node) { |
|||
$attr = array(); |
|||
if ($node->attributes->length) { |
|||
foreach ($node->attributes as $attribute) { |
|||
$attr[$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"] = $attr["content"]; |
|||
break; |
|||
case "description": |
|||
$siteinfo["text"] = $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"] = $attr["content"]; |
|||
break; |
|||
case "twitter:title": |
|||
$siteinfo["title"] = $attr["content"]; |
|||
break; |
|||
case "dc.title": |
|||
$siteinfo["title"] = $attr["content"]; |
|||
break; |
|||
case "dc.description": |
|||
$siteinfo["text"] = $attr["content"]; |
|||
break; |
|||
case "keywords": |
|||
$keywords = explode(",", $attr["content"]); |
|||
break; |
|||
case "news_keywords": |
|||
$keywords = explode(",", $attr["content"]); |
|||
break; |
|||
} |
|||
} |
|||
if ($siteinfo["type"] == "summary") { |
|||
$siteinfo["type"] = "link"; |
|||
} |
|||
} |
|||
|
|||
if (isset($keywords)) { |
|||
$siteinfo["keywords"] = array(); |
|||
foreach ($keywords as $keyword) { |
|||
if (!in_array(trim($keyword), $siteinfo["keywords"])) { |
|||
$siteinfo["keywords"][] = trim($keyword); |
|||
} |
|||
} |
|||
} |
|||
|
|||
//$list = $xpath->query("head/meta[@property]");
|
|||
$list = $xpath->query("//meta[@property]"); |
|||
foreach ($list as $node) { |
|||
$attr = array(); |
|||
if ($node->attributes->length) { |
|||
foreach ($node->attributes as $attribute) { |
|||
$attr[$attribute->name] = $attribute->value; |
|||
} |
|||
} |
|||
|
|||
$attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); |
|||
|
|||
if ($attr["content"] != "") { |
|||
switch (strtolower($attr["property"])) { |
|||
case "og:image": |
|||
$siteinfo["image"] = $attr["content"]; |
|||
break; |
|||
case "og:title": |
|||
$siteinfo["title"] = $attr["content"]; |
|||
break; |
|||
case "og:description": |
|||
$siteinfo["text"] = $attr["content"]; |
|||
break; |
|||
} |
|||
} |
|||
} |
|||
|
|||
if ((@$siteinfo["image"] == "") && !$no_guessing) { |
|||
$list = $xpath->query("//img[@src]"); |
|||
foreach ($list as $node) { |
|||
$attr = array(); |
|||
if ($node->attributes->length) { |
|||
foreach ($node->attributes as $attribute) { |
|||
$attr[$attribute->name] = $attribute->value; |
|||
} |
|||
} |
|||
|
|||
$src = self::completeUrl($attr["src"], $url); |
|||
$photodata = get_photo_info($src); |
|||
|
|||
if (($photodata) && ($photodata[0] > 150) && ($photodata[1] > 150)) { |
|||
if ($photodata[0] > 300) { |
|||
$photodata[1] = round($photodata[1] * (300 / $photodata[0])); |
|||
$photodata[0] = 300; |
|||
} |
|||
if ($photodata[1] > 300) { |
|||
$photodata[0] = round($photodata[0] * (300 / $photodata[1])); |
|||
$photodata[1] = 300; |
|||
} |
|||
$siteinfo["images"][] = array("src" => $src, |
|||
"width" => $photodata[0], |
|||
"height" => $photodata[1]); |
|||
} |
|||
|
|||
} |
|||
} elseif ($siteinfo["image"] != "") { |
|||
$src = self::completeUrl($siteinfo["image"], $url); |
|||
|
|||
unset($siteinfo["image"]); |
|||
|
|||
$photodata = get_photo_info($src); |
|||
|
|||
if (($photodata) && ($photodata[0] > 10) && ($photodata[1] > 10)) { |
|||
$siteinfo["images"][] = array("src" => $src, |
|||
"width" => $photodata[0], |
|||
"height" => $photodata[1]); |
|||
} |
|||
} |
|||
|
|||
if ((@$siteinfo["text"] == "") && (@$siteinfo["title"] != "") && !$no_guessing) { |
|||
$text = ""; |
|||
|
|||
$list = $xpath->query("//div[@class='article']"); |
|||
foreach ($list as $node) { |
|||
if (strlen($node->nodeValue) > 40) { |
|||
$text .= " ".trim($node->nodeValue); |
|||
} |
|||
} |
|||
|
|||
if ($text == "") { |
|||
$list = $xpath->query("//div[@class='content']"); |
|||
foreach ($list as $node) { |
|||
if (strlen($node->nodeValue) > 40) { |
|||
$text .= " ".trim($node->nodeValue); |
|||
} |
|||
} |
|||
} |
|||
|
|||
// If none text was found then take the paragraph content
|
|||
if ($text == "") { |
|||
$list = $xpath->query("//p"); |
|||
foreach ($list as $node) { |
|||
if (strlen($node->nodeValue) > 40) { |
|||
$text .= " ".trim($node->nodeValue); |
|||
} |
|||
} |
|||
} |
|||
|
|||
if ($text != "") { |
|||
$text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text)); |
|||
|
|||
while (strpos($text, " ")) { |
|||
$text = trim(str_replace(" ", " ", $text)); |
|||
} |
|||
|
|||
$siteinfo["text"] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, "UTF-8").'...'); |
|||
} |
|||
} |
|||
|
|||
logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG); |
|||
|
|||
call_hooks("getsiteinfo", $siteinfo); |
|||
|
|||
return($siteinfo); |
|||
} |
|||
|
|||
/** |
|||
* @brief Convert tags from CSV to an array |
|||
* |
|||
* @param string $string Tags |
|||
* @return array with formatted Hashtags |
|||
*/ |
|||
public static function convertTagsToArray($string) { |
|||
$arr_tags = str_getcsv($string); |
|||
if (count($arr_tags)) { |
|||
// add the # sign to every tag
|
|||
array_walk($arr_tags, array("self", "arrAddHashes")); |
|||
|
|||
return $arr_tags; |
|||
} |
|||
} |
|||
|
|||
/** |
|||
* @brief Add a hasht sign to a string |
|||
* |
|||
* This method is used as callback function
|
|||
* |
|||
* @param string $tag The pure tag name |
|||
* @param int $k Counter for internal use |
|||
*/ |
|||
private static function arrAddHashes(&$tag, $k) { |
|||
$tag = "#" . $tag; |
|||
} |
|||
|
|||
private static function deleteNode(&$doc, $node) { |
|||
$xpath = new \DomXPath($doc); |
|||
$list = $xpath->query("//".$node); |
|||
foreach ($list as $child) { |
|||
$child->parentNode->removeChild($child); |
|||
} |
|||
} |
|||
|
|||
private static function completeUrl($url, $scheme) { |
|||
$urlarr = parse_url($url); |
|||
|
|||
if (isset($urlarr["scheme"])) { |
|||
return($url); |
|||
} |
|||
|
|||
$schemearr = parse_url($scheme); |
|||
|
|||
$complete = $schemearr["scheme"]."://".$schemearr["host"]; |
|||
|
|||
if (@$schemearr["port"] != "") { |
|||
$complete .= ":".$schemearr["port"]; |
|||
} |
|||
|
|||
if (strpos($urlarr["path"],"/") !== 0) { |
|||
$complete .= "/"; |
|||
} |
|||
|
|||
$complete .= $urlarr["path"]; |
|||
|
|||
if (@$urlarr["query"] != "") { |
|||
$complete .= "?".$urlarr["query"]; |
|||
} |
|||
|
|||
if (@$urlarr["fragment"] != "") { |
|||
$complete .= "#".$urlarr["fragment"]; |
|||
} |
|||
|
|||
return($complete); |
|||
} |
|||
} |
|||
Write
Preview
Loading…
Cancel
Save
Reference in new issue