Some more "accept" parameters are added

mod/ostatus_subscribe.php

@@ -24,6 +24,8 @@ use Friendica\Core\Protocol;
 use Friendica\DI;
 use Friendica\Model\APContact;
 use Friendica\Model\Contact;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Protocol\ActivityPub;
 
 function ostatus_subscribe_content(App $a)
@@ -57,7 +59,7 @@ function ostatus_subscribe_content(App $a)
 			$api = $contact['baseurl'] . '/api/';
 
 			// Fetching friends
-			$curlResult = DI::httpClient()->get($api . 'statuses/friends.json?screen_name=' . $contact['nick']);
+			$curlResult = DI::httpClient()->get($api . 'statuses/friends.json?screen_name=' . $contact['nick'], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
 
 			if (!$curlResult->isSuccess()) {
 				DI::pConfig()->delete($uid, 'ostatus', 'legacy_contact');

mod/redir.php

@@ -27,6 +27,8 @@ use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Contact;
 use Friendica\Model\Profile;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Util\Strings;
 
 function redir_init(App $a) {
@@ -142,7 +144,7 @@ function redir_magic($a, $cid, $url)
 	}
 
 	// Test for magic auth on the target system
-	$serverret = DI::httpClient()->get($basepath . '/magic');
+	$serverret = DI::httpClient()->get($basepath . '/magic', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 	if ($serverret->isSuccess()) {
 		$separator = strpos($target_url, '?') ? '&' : '?';
 		$target_url .= $separator . 'zrl=' . urlencode($visitor) . '&addr=' . urlencode($contact_url);

src/Content/OEmbed.php

@@ -32,6 +32,7 @@ use Friendica\Core\Renderer;
 use Friendica\Database\Database;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
 use Friendica\Util\ParseUrl;
@@ -97,7 +98,7 @@ class OEmbed
 
 			if (!in_array($ext, $noexts)) {
 				// try oembed autodiscovery
-				$html_text = DI::httpClient()->fetch($embedurl, 15, 'text/*');
+				$html_text = DI::httpClient()->fetch($embedurl, 15, HttpClient::ACCEPT_HTML);
 				if (!empty($html_text)) {
 					$dom = new DOMDocument();
 					if (@$dom->loadHTML($html_text)) {

src/Content/Text/BBCode.php

@@ -39,6 +39,7 @@ use Friendica\Model\Event;
 use Friendica\Model\Photo;
 use Friendica\Model\Post;
 use Friendica\Model\Tag;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Object\Image;
 use Friendica\Protocol\Activity;
@@ -501,11 +502,13 @@ class BBCode
 					continue;
 				}
 
-				$curlResult = DI::httpClient()->get($mtch[1]);
+				$curlResult = DI::httpClient()->get($mtch[1], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_IMAGE]);
 				if (!$curlResult->isSuccess()) {
 					continue;
 				}
 
+				Logger::debug('Got picture', ['Content-Type' => $curlResult->getHeader('Content-Type'), 'url' => $mtch[1]]);
+
 				$i = $curlResult->getBody();
 				$type = $curlResult->getContentType();
 				$type = Images::getMimeTypeByData($i, $mtch[1], $type);
@@ -1214,7 +1217,7 @@ class BBCode
 				$text = "[url=" . $match[2] . ']' . $match[2] . "[/url]";
 
 				// if its not a picture then look if its a page that contains a picture link
-				$body = DI::httpClient()->fetch($match[1]);
+				$body = DI::httpClient()->fetch($match[1], 0, HttpClient::ACCEPT_HTML);
 				if (empty($body)) {
 					DI::cache()->set($cache_key, $text);
 					return $text;
@@ -1290,7 +1293,7 @@ class BBCode
 			}
 
 			// if its not a picture then look if its a page that contains a picture link
-			$body = DI::httpClient()->fetch($match[1]);
+			$body = DI::httpClient()->fetch($match[1], 0, HttpClient::ACCEPT_HTML);
 			if (empty($body)) {
 				DI::cache()->set($cache_key, $text);
 				return $text;

src/Core/Search.php

@@ -23,6 +23,7 @@ namespace Friendica\Core;
 
 use Friendica\DI;
 use Friendica\Model\Contact;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPException;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Object\Search\ContactResult;
@@ -122,7 +123,7 @@ class Search
 			$searchUrl .= '&page=' . $page;
 		}
 
-		$resultJson = DI::httpClient()->fetch($searchUrl, 0, 'application/json');
+		$resultJson = DI::httpClient()->fetch($searchUrl, 0, HttpClient::ACCEPT_JSON);
 
 		$results = json_decode($resultJson, true);
 
@@ -228,7 +229,7 @@ class Search
 			$return = Contact::searchByName($search, $mode);
 		} else {
 			$p = $page > 1 ? 'p=' . $page : '';
-			$curlResult = DI::httpClient()->get(self::getGlobalDirectory() . '/search/people?' . $p . '&q=' . urlencode($search), [HttpClientOptions::ACCEPT_CONTENT => ['application/json']]);
+			$curlResult = DI::httpClient()->get(self::getGlobalDirectory() . '/search/people?' . $p . '&q=' . urlencode($search), [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
 			if ($curlResult->isSuccess()) {
 				$searchResult = json_decode($curlResult->getBody(), true);
 				if (!empty($searchResult['profiles'])) {

src/Core/Storage/Type/ExternalResource.php

@@ -22,8 +22,10 @@
 namespace Friendica\Core\Storage\Type;
 
 use Exception;
+use Friendica\Core\Logger;
 use Friendica\Core\Storage\Exception\ReferenceStorageException;
 use Friendica\Core\Storage\Capability\ICanReadFromStorage;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Util\HTTPSignature;
 
 /**
@@ -52,11 +54,12 @@ class ExternalResource implements ICanReadFromStorage
 		}
 
 		try {
-			$fetchResult = HTTPSignature::fetchRaw($data->url, $data->uid, ['accept_content' => []]);
+			$fetchResult = HTTPSignature::fetchRaw($data->url, $data->uid, ['accept_content' => [HttpClient::ACCEPT_IMAGE]]);
 		} catch (Exception $exception) {
 			throw new ReferenceStorageException(sprintf('External resource failed to get %s', $reference), $exception->getCode(), $exception);
 		}
 		if ($fetchResult->isSuccess()) {
+			Logger::debug('Got picture', ['Content-Type' => $fetchResult->getHeader('Content-Type'), 'uid' => $data->uid, 'url' => $data->url]);
 			return $fetchResult->getBody();
 		} else {
 			throw new ReferenceStorageException(sprintf('External resource failed to get %s', $reference), $fetchResult->getReturnCode(), new Exception($fetchResult->getBody()));

src/Model/GServer.php

@@ -1946,7 +1946,7 @@ class GServer
 		$protocols = ['activitypub', 'diaspora', 'dfrn', 'ostatus'];
 		foreach ($protocols as $protocol) {
 			$query = '{nodes(protocol:"' . $protocol . '"){host}}';
-			$curlResult = DI::httpClient()->fetch('https://the-federation.info/graphql?query=' . urlencode($query));
+			$curlResult = DI::httpClient()->fetch('https://the-federation.info/graphql?query=' . urlencode($query), 0, HttpClient::ACCEPT_JSON);
 			if (!empty($curlResult)) {
 				$data = json_decode($curlResult, true);
 				if (!empty($data['data']['nodes'])) {

src/Model/Photo.php

@@ -32,6 +32,8 @@ use Friendica\Core\Storage\Exception\InvalidClassStorageException;
 use Friendica\Core\Storage\Exception\ReferenceStorageException;
 use Friendica\Core\Storage\Exception\StorageException;
 use Friendica\Core\Storage\Type\SystemResource;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Object\Image;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Images;
@@ -497,7 +499,8 @@ class Photo
 
 		$filename = basename($image_url);
 		if (!empty($image_url)) {
-			$ret = DI::httpClient()->get($image_url);
+			$ret = DI::httpClient()->get($image_url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_IMAGE]);
+			Logger::debug('Got picture', ['Content-Type' => $ret->getHeader('Content-Type'), 'url' => $image_url]);
 			$img_str = $ret->getBody();
 			$type = $ret->getContentType();
 		} else {
@@ -912,7 +915,8 @@ class Photo
 	{
 		$filename = basename($image_url);
 		if (!empty($image_url)) {
-			$ret = DI::httpClient()->get($image_url);
+			$ret = DI::httpClient()->get($image_url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_IMAGE]);
+			Logger::debug('Got picture', ['Content-Type' => $ret->getHeader('Content-Type'), 'url' => $image_url]);
 			$img_str = $ret->getBody();
 			$type = $ret->getContentType();
 		} else {

src/Model/Post/Media.php

@@ -30,6 +30,7 @@ use Friendica\DI;
 use Friendica\Model\Item;
 use Friendica\Model\Photo;
 use Friendica\Model\Post;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Util\Images;
 use Friendica\Util\Network;
@@ -168,11 +169,11 @@ class Media
 		// Fetch the mimetype or size if missing.
 		if (empty($media['mimetype']) || empty($media['size'])) {
 			$timeout = DI::config()->get('system', 'xrd_timeout');
-			$curlResult = DI::httpClient()->head($media['url'], [HttpClientOptions::TIMEOUT => $timeout]);
+			$curlResult = DI::httpClient()->head($media['url'], [HttpClientOptions::TIMEOUT => $timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 
 			// Workaround for systems that can't handle a HEAD request
 			if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() == 405)) {
-				$curlResult = DI::httpClient()->get($media['url'], [HttpClientOptions::TIMEOUT => $timeout]);
+				$curlResult = DI::httpClient()->get($media['url'], [HttpClientOptions::TIMEOUT => $timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 			}
 
 			if ($curlResult->isSuccess()) {

src/Model/Profile.php

@@ -35,6 +35,8 @@ use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Network\HTTPException;
 use Friendica\Protocol\Activity;
 use Friendica\Protocol\Diaspora;
@@ -749,7 +751,7 @@ class Profile
 			$magic_path = $basepath . '/magic' . '?owa=1&dest=' . $dest . '&' . $addr_request;
 
 			// We have to check if the remote server does understand /magic without invoking something
-			$serverret = DI::httpClient()->get($basepath . '/magic');
+			$serverret = DI::httpClient()->get($basepath . '/magic', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 			if ($serverret->isSuccess()) {
 				Logger::info('Doing magic auth for visitor ' . $my_url . ' to ' . $magic_path);
 				System::externalRedirect($magic_path);

src/Model/User.php

@@ -34,6 +34,8 @@ use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Security\TwoFactor\Model\AppSpecificPassword;
 use Friendica\Network\HTTPException;
 use Friendica\Object\Image;
@@ -1150,8 +1152,9 @@ class User
 			$photo_failure = false;
 
 			$filename = basename($photo);
-			$curlResult = DI::httpClient()->get($photo);
+			$curlResult = DI::httpClient()->get($photo, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_IMAGE]);
 			if ($curlResult->isSuccess()) {
+				Logger::debug('Got picture', ['Content-Type' => $curlResult->getHeader('Content-Type'), 'url' => $photo]);
 				$img_str = $curlResult->getBody();
 				$type = $curlResult->getContentType();
 			} else {

src/Module/Admin/Summary.php

@@ -32,6 +32,8 @@ use Friendica\DI;
 use Friendica\Core\Config\Factory\Config;
 use Friendica\Model\Register;
 use Friendica\Module\BaseAdmin;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Network\HTTPException\ServiceUnavailableException;
 use Friendica\Util\DateTimeFormat;
 
@@ -248,7 +250,7 @@ class Summary extends BaseAdmin
 	private static function checkSelfHostMeta()
 	{
 		// Fetch the host-meta to check if this really is a vital server
-		return DI::httpClient()->get(DI::baseUrl()->get() . '/.well-known/host-meta')->isSuccess();
+		return DI::httpClient()->get(DI::baseUrl()->get() . '/.well-known/host-meta', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_XRD_XML])->isSuccess();
 	}
 
 }

src/Module/Debug/Feed.php

@@ -28,6 +28,7 @@ use Friendica\Core\Renderer;
 use Friendica\Model;
 use Friendica\Module\Response;
 use Friendica\Network\HTTPClient\Capability\ICanSendHttpRequests;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Protocol;
 use Friendica\Util\Profiler;
 use Psr\Log\LoggerInterface;
@@ -60,7 +61,7 @@ class Feed extends BaseModule
 
 			$contact = Model\Contact::getByURLForUser($url, local_user(), null);
 
-			$xml = $this->httpClient->fetch($contact['poll']);
+			$xml = $this->httpClient->fetch($contact['poll'], 0, HttpClient::ACCEPT_FEED_XML);
 
 			$import_result = Protocol\Feed::import($xml);
 

src/Module/Magic.php

@@ -29,6 +29,7 @@ use Friendica\Database\Database;
 use Friendica\Model\Contact;
 use Friendica\Model\User;
 use Friendica\Network\HTTPClient\Capability\ICanSendHttpRequests;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Util\HTTPSignature;
 use Friendica\Util\Profiler;

src/Module/Photo.php

@@ -32,6 +32,7 @@ use Friendica\Model\Profile;
 use Friendica\Core\Storage\Type\ExternalResource;
 use Friendica\Core\Storage\Type\SystemResource;
 use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPException;
 use Friendica\Network\HTTPException\NotModifiedException;
 use Friendica\Object\Image;
@@ -308,7 +309,7 @@ class Photo extends BaseModule
 				}
 				$mimetext = '';
 				if (!empty($url)) {
-					$mime = ParseUrl::getContentType($url);
+					$mime = ParseUrl::getContentType($url, HttpClient::ACCEPT_IMAGE);
 					if (!empty($mime)) {
 						$mimetext = $mime[0] . '/' . $mime[1];
 					} else {
@@ -317,6 +318,8 @@ class Photo extends BaseModule
 					if (!empty($mimetext) && ($mime[0] != 'image') && ($mimetext != 'application/octet-stream')) {
 						Logger::info('Unexpected Content-Type', ['mime' => $mimetext, 'url' => $url]);
 						$mimetext = '';
+					} if (!empty($mimetext)) {
+						Logger::debug('Expected Content-Type', ['mime' => $mimetext, 'url' => $url]);
 					}
 				}
 				if (empty($mimetext)) {

src/Module/Proxy.php

@@ -25,6 +25,7 @@ use Friendica\BaseModule;
 use Friendica\Core\Logger;
 use Friendica\Core\System;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPException\NotModifiedException;
 use Friendica\Object\Image;
 use Friendica\Util\HTTPSignature;
@@ -81,7 +82,7 @@ class Proxy extends BaseModule
 		$request['url'] = str_replace(' ', '+', $request['url']);
 
 		// Fetch the content with the local user
-		$fetchResult = HTTPSignature::fetchRaw($request['url'], local_user(), ['accept_content' => [], 'timeout' => 10]);
+		$fetchResult = HTTPSignature::fetchRaw($request['url'], local_user(), ['accept_content' => [HttpClient::ACCEPT_IMAGE], 'timeout' => 10]);
 		$img_str = $fetchResult->getBody();
 
 		if (!$fetchResult->isSuccess() || empty($img_str)) {
@@ -90,6 +91,8 @@ class Proxy extends BaseModule
 			// stop.
 		}
 
+		Logger::debug('Got picture', ['Content-Type' => $fetchResult->getHeader('Content-Type'), 'uid' => local_user(), 'image' => $request['url']]);
+
 		$mime = Images::getMimeTypeByData($img_str);
 
 		$image = new Image($img_str, $mime);

src/Network/HTTPClient/Client/HttpClient.php

@@ -52,7 +52,9 @@ class HttpClient implements ICanSendHttpRequests
 	const ACCEPT_JRD_JSON = 'application/jrd+json,application/json;q=0.9';
 	const ACCEPT_JSON     = 'application/json,*/*;q=0.9';
 	const ACCEPT_JSON_AS  = 'application/activity+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
+	const ACCEPT_MAGIC    = 'application/magic-envelope+xml';
 	const ACCEPT_RSS_XML  = 'application/rss+xml,text/xml;q=0.9,*/*;q=0.8';
+	const ACCEPT_TEXT     = 'text/plain,text/*;q=0.9,*/*;q=0.8';
 	const ACCEPT_VIDEO    = 'video/mp4,video/*;q=0.9,*/*;q=0.8';
 	const ACCEPT_XRD_XML  = 'application/xrd+xml,text/xml;q=0.9,*/*;q=0.8';
 

src/Network/Probe.php

@@ -170,7 +170,7 @@ class Probe
 		Logger::info('Probing', ['host' => $host, 'ssl_url' => $ssl_url, 'url' => $url, 'callstack' => System::callstack(20)]);
 		$xrd = null;
 
-		$curlResult = DI::httpClient()->get($ssl_url, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => ['application/xrd+xml']]);
+		$curlResult = DI::httpClient()->get($ssl_url, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_XRD_XML]);
 		$ssl_connection_error = ($curlResult->getErrorNumber() == CURLE_COULDNT_CONNECT) || ($curlResult->getReturnCode() == 0);
 		if ($curlResult->isSuccess()) {
 			$xml = $curlResult->getBody();
@@ -187,7 +187,7 @@ class Probe
 		}
 
 		if (!is_object($xrd) && !empty($url)) {
-			$curlResult = DI::httpClient()->get($url, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => ['application/xrd+xml']]);
+			$curlResult = DI::httpClient()->get($url, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_XRD_XML]);
 			$connection_error = ($curlResult->getErrorNumber() == CURLE_COULDNT_CONNECT) || ($curlResult->getReturnCode() == 0);
 			if ($curlResult->isTimeout()) {
 				Logger::info('Probing timeout', ['url' => $url]);
@@ -429,7 +429,7 @@ class Probe
 	 */
 	private static function getHideStatus($url)
 	{
-		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::CONTENT_LENGTH => 1000000]);
+		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::CONTENT_LENGTH => 1000000, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
 		if (!$curlResult->isSuccess()) {
 			return false;
 		}
@@ -834,7 +834,8 @@ class Probe
 
 	public static function pollZot($url, $data)
 	{
-		$curlResult = DI::httpClient()->get($url);
+		// @todo Check if this endpoint might be queried via a POST
+		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 		if ($curlResult->isTimeout()) {
 			return $data;
 		}
@@ -1000,7 +1001,7 @@ class Probe
 	 */
 	private static function pollNoscrape($noscrape_url, $data)
 	{
-		$curlResult = DI::httpClient()->get($noscrape_url);
+		$curlResult = DI::httpClient()->get($noscrape_url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
 		if ($curlResult->isTimeout()) {
 			self::$istimeout = true;
 			return $data;
@@ -1266,7 +1267,7 @@ class Probe
 	 */
 	private static function pollHcard($hcard_url, $data, $dfrn = false)
 	{
-		$curlResult = DI::httpClient()->get($hcard_url);
+		$curlResult = DI::httpClient()->get($hcard_url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
 		if ($curlResult->isTimeout()) {
 			self::$istimeout = true;
 			return [];
@@ -1527,7 +1528,7 @@ class Probe
 							$pubkey = substr($pubkey, 5);
 						}
 					} elseif (Strings::normaliseLink($pubkey) == 'http://') {
-						$curlResult = DI::httpClient()->get($pubkey);
+						$curlResult = DI::httpClient()->get($pubkey, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 						if ($curlResult->isTimeout()) {
 							self::$istimeout = true;
 							return $short ? false : [];
@@ -1561,7 +1562,7 @@ class Probe
 		}
 
 		// Fetch all additional data from the feed
-		$curlResult = DI::httpClient()->get($data["poll"]);
+		$curlResult = DI::httpClient()->get($data["poll"], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_FEED_XML]);
 		if ($curlResult->isTimeout()) {
 			self::$istimeout = true;
 			return [];
@@ -1613,7 +1614,7 @@ class Probe
 	 */
 	private static function pumpioProfileData($profile_link)
 	{
-		$curlResult = DI::httpClient()->get($profile_link);
+		$curlResult = DI::httpClient()->get($profile_link, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
 		if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
 			return [];
 		}
@@ -1826,7 +1827,7 @@ class Probe
 	 */
 	private static function feed($url, $probe = true)
 	{
-		$curlResult = DI::httpClient()->get($url);
+		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_FEED_XML]);
 		if ($curlResult->isTimeout()) {
 			self::$istimeout = true;
 			return [];
@@ -2048,7 +2049,7 @@ class Probe
 			return '';
 		}
 
-		$curlResult = DI::httpClient()->get($gserver['noscrape'] . '/' . $data['nick']);
+		$curlResult = DI::httpClient()->get($gserver['noscrape'] . '/' . $data['nick'], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
 
 		if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
 			$noscrape = json_decode($curlResult->getBody(), true);
@@ -2123,7 +2124,7 @@ class Probe
 	private static function updateFromFeed(array $data)
 	{
 		// Search for the newest entry in the feed
-		$curlResult = DI::httpClient()->get($data['poll']);
+		$curlResult = DI::httpClient()->get($data['poll'], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 		if (!$curlResult->isSuccess() || !$curlResult->getBody()) {
 			return '';
 		}

src/Protocol/Diaspora.php

@@ -41,6 +41,7 @@ use Friendica\Model\Mail;
 use Friendica\Model\Post;
 use Friendica\Model\Tag;
 use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\Probe;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
@@ -1059,7 +1060,7 @@ class Diaspora
 
 		Logger::info("Fetch post from ".$source_url);
 
-		$envelope = DI::httpClient()->fetch($source_url);
+		$envelope = DI::httpClient()->fetch($source_url, 0, HttpClient::ACCEPT_MAGIC);
 		if ($envelope) {
 			Logger::info("Envelope was fetched.");
 			$x = self::verifyMagicEnvelope($envelope);

src/Protocol/OStatus.php

@@ -38,6 +38,7 @@ use Friendica\Model\ItemURI;
 use Friendica\Model\Post;
 use Friendica\Model\Tag;
 use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Network\Probe;
 use Friendica\Util\DateTimeFormat;
@@ -731,7 +732,7 @@ class OStatus
 
 		self::$conv_list[$conversation] = true;
 
-		$curlResult = DI::httpClient()->get($conversation, [HttpClientOptions::ACCEPT_CONTENT => ['application/atom+xml', 'text/html']]);
+		$curlResult = DI::httpClient()->get($conversation, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 		if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
 			return;
@@ -761,7 +762,7 @@ class OStatus
 					}
 				}
 				if ($file != '') {
-					$conversation_atom = DI::httpClient()->get($attribute['href']);
+					$conversation_atom = DI::httpClient()->get($attribute['href'], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 					if ($conversation_atom->isSuccess()) {
 						$xml = $conversation_atom->getBody();
@@ -875,7 +876,7 @@ class OStatus
 			return;
 		}
 
-		$curlResult = DI::httpClient()->get($self);
+		$curlResult = DI::httpClient()->get($self, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 		if (!$curlResult->isSuccess()) {
 			return;
@@ -925,7 +926,7 @@ class OStatus
 		}
 
 		$stored = false;
-		$curlResult = DI::httpClient()->get($related, [HttpClientOptions::ACCEPT_CONTENT => ['application/atom+xml', 'text/html']]);
+		$curlResult = DI::httpClient()->get($related, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 		if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
 			return;
@@ -957,7 +958,7 @@ class OStatus
 					}
 				}
 				if ($atom_file != '') {
-					$curlResult = DI::httpClient()->get($atom_file);
+					$curlResult = DI::httpClient()->get($atom_file, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 					if ($curlResult->isSuccess()) {
 						Logger::info('Fetched XML for URI ' . $related_uri);
@@ -969,7 +970,7 @@ class OStatus
 
 		// Workaround for older GNU Social servers
 		if (($xml == '') && strstr($related, '/notice/')) {
-			$curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related) . '.atom');
+			$curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related) . '.atom', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 			if ($curlResult->isSuccess()) {
 				Logger::info('GNU Social workaround to fetch XML for URI ' . $related_uri);
@@ -980,7 +981,7 @@ class OStatus
 		// Even more worse workaround for GNU Social ;-)
 		if ($xml == '') {
 			$related_guess = self::convertHref($related_uri);
-			$curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related_guess) . '.atom');
+			$curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related_guess) . '.atom', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_ATOM_XML]);
 
 			if ($curlResult->isSuccess()) {
 				Logger::info('GNU Social workaround 2 to fetch XML for URI ' . $related_uri);

src/Protocol/Salmon.php

@@ -23,6 +23,7 @@ namespace Friendica\Protocol;
 
 use Friendica\Core\Logger;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\Probe;
 use Friendica\Util\Crypto;
 use Friendica\Util\Strings;
@@ -72,7 +73,7 @@ class Salmon
 						$ret[$x] = substr($ret[$x], 5);
 					}
 				} elseif (Strings::normaliseLink($ret[$x]) == 'http://') {
-					$ret[$x] = DI::httpClient()->fetch($ret[$x]);
+					$ret[$x] = DI::httpClient()->fetch($ret[$x], 0, HttpClient::ACCEPT_DEFAULT);
 				}
 			}
 		}

src/Security/ExAuth.php

@@ -57,6 +57,8 @@ use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
 use Friendica\Database\Database;
 use Friendica\DI;
 use Friendica\Model\User;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Network\HTTPException;
 use Friendica\Util\PidFile;
 
@@ -239,7 +241,7 @@ class ExAuth
 
 		$url = ($ssl ? 'https' : 'http') . '://' . $host . '/noscrape/' . $user;
 
-		$curlResult = DI::httpClient()->get($url);
+		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
 
 		if (!$curlResult->isSuccess()) {
 			return false;

src/Util/Images.php

@@ -24,6 +24,7 @@ namespace Friendica\Util;
 use Friendica\Core\Logger;
 use Friendica\DI;
 use Friendica\Model\Photo;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 /**
  * Image utilities
@@ -219,7 +220,7 @@ class Images
 		}
 
 		if (empty($img_str)) {
-			$img_str = DI::httpClient()->fetch($url, 4);
+			$img_str = DI::httpClient()->fetch($url, 4, HttpClient::ACCEPT_IMAGE);
 		}
 
 		if (!$img_str) {

src/Util/ParseUrl.php

@@ -29,6 +29,7 @@ use Friendica\Core\Logger;
 use Friendica\Database\Database;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPException;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 
@@ -55,15 +56,16 @@ class ParseUrl
 	/**
 	 * Fetch the content type of the given url
 	 * @param string $url    URL of the page
+	 * @param string $accept content-type to accept
 	 * @return array content type
 	 */
-	public static function getContentType(string $url)
+	public static function getContentType(string $url, string $accept = HttpClient::ACCEPT_DEFAULT)
 	{
-		$curlResult = DI::httpClient()->head($url);
+		$curlResult = DI::httpClient()->head($url, [HttpClientOptions::ACCEPT_CONTENT => $accept]);
 
 		// Workaround for systems that can't handle a HEAD request
 		if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() == 405)) {
-			$curlResult = DI::httpClient()->get($url, [HttpClientOptions::CONTENT_LENGTH => 1000000]);
+			$curlResult = DI::httpClient()->get($url, [HttpClientOptions::CONTENT_LENGTH => 1000000, HttpClientOptions::ACCEPT_CONTENT => $accept]);
 		}
 
 		if (!$curlResult->isSuccess()) {
@@ -220,7 +222,7 @@ class ParseUrl
 			return $siteinfo;
 		}
 
-		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::CONTENT_LENGTH => 1000000]);
+		$curlResult = DI::httpClient()->get($url, [HttpClientOptions::CONTENT_LENGTH => 1000000, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
 		if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
 			Logger::info('Empty body or error when fetching', ['url' => $url, 'success' => $curlResult->isSuccess(), 'code' => $curlResult->getReturnCode()]);
 			return $siteinfo;

src/Worker/CheckVersion.php

@@ -24,6 +24,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Logger;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 /**
  * Check the git repository VERSION file and save the version to the DB
@@ -54,7 +55,7 @@ class CheckVersion
 		Logger::info("Checking VERSION from: ".$checked_url);
 
 		// fetch the VERSION file
-		$gitversion = DBA::escape(trim(DI::httpClient()->fetch($checked_url)));
+		$gitversion = DBA::escape(trim(DI::httpClient()->fetch($checked_url, 0, HttpClient::ACCEPT_TEXT)));
 		Logger::notice("Upstream VERSION is: ".$gitversion);
 
 		DI::config()->set('system', 'git_friendica_version', $gitversion);

src/Worker/Directory.php

@@ -26,6 +26,7 @@ use Friendica\Core\Logger;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 /**
  * Sends updated profile data to the directory
@@ -53,7 +54,7 @@ class Directory
 
 		Logger::info('Updating directory: ' . $arr['url']);
 		if (strlen($arr['url'])) {
-			DI::httpClient()->fetch($dir . '?url=' . bin2hex($arr['url']));
+			DI::httpClient()->fetch($dir . '?url=' . bin2hex($arr['url']), 0, HttpClient::ACCEPT_DEFAULT);
 		}
 
 		return;

src/Worker/NodeInfo.php

@@ -24,6 +24,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Logger;
 use Friendica\DI;
 use Friendica\Model\Nodeinfo as ModelNodeInfo;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 class NodeInfo
 {
@@ -34,7 +35,7 @@ class NodeInfo
 		// Now trying to register
 		$url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
 		Logger::debug('Check registering url', ['url' => $url]);
-		$ret = DI::httpClient()->fetch($url);
+		$ret = DI::httpClient()->fetch($url, 0, HttpClient::ACCEPT_HTML);
 		Logger::debug('Check registering answer', ['answer' => $ret]);
 		Logger::info('end');
 	}

src/Worker/OnePoll.php

@@ -155,7 +155,7 @@ class OnePoll
 		}
 
 		$cookiejar = tempnam(System::getTempPath(), 'cookiejar-onepoll-');
-		$curlResult = DI::httpClient()->get($contact['poll'], [HttpClientOptions::COOKIEJAR => $cookiejar], [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_FEED_XML]);
+		$curlResult = DI::httpClient()->get($contact['poll'], [HttpClientOptions::COOKIEJAR => $cookiejar, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_FEED_XML]);
 		unlink($cookiejar);
 
 		if ($curlResult->isTimeout()) {

src/Worker/PullDirectory.php

@@ -24,6 +24,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Logger;
 use Friendica\DI;
 use Friendica\Model\Contact;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 class PullDirectory
 {
@@ -47,7 +48,7 @@ class PullDirectory
 
 		Logger::info('Synchronization started.', ['now' => $now, 'directory' => $directory]);
 
-		$result = DI::httpClient()->fetch($directory . '/sync/pull/since/' . $now);
+		$result = DI::httpClient()->fetch($directory . '/sync/pull/since/' . $now, 0, HttpClient::ACCEPT_JSON);
 		if (empty($result)) {
 			Logger::info('Directory server return empty result.', ['directory' => $directory]);
 			return;

src/Worker/SearchDirectory.php

@@ -26,6 +26,7 @@ use Friendica\Core\Logger;
 use Friendica\Core\Search;
 use Friendica\DI;
 use Friendica\Model\Contact;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 class SearchDirectory
 {
@@ -46,7 +47,7 @@ class SearchDirectory
 			}
 		}
 
-		$x = DI::httpClient()->fetch(Search::getGlobalDirectory() . '/lsearch?p=1&n=500&search=' . urlencode($search));
+		$x = DI::httpClient()->fetch(Search::getGlobalDirectory() . '/lsearch?p=1&n=500&search=' . urlencode($search), 0, HttpClient::ACCEPT_JSON);
 		$j = json_decode($x);
 
 		if (!empty($j->results)) {

src/Worker/UpdateServerDirectory.php

@@ -26,6 +26,7 @@ use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Contact;
 use Friendica\Model\GServer;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 
 class UpdateServerDirectory
 {
@@ -45,7 +46,7 @@ class UpdateServerDirectory
 
 	private static function discoverPoCo(array $gserver)
 	{
-		$result = DI::httpClient()->fetch($gserver['poco'] . '?fields=urls');
+		$result = DI::httpClient()->fetch($gserver['poco'] . '?fields=urls', 0, HttpClient::ACCEPT_JSON);
 		if (empty($result)) {
 			Logger::info('Empty result', ['url' => $gserver['url']]);
 			return;
@@ -78,7 +79,7 @@ class UpdateServerDirectory
 
 	private static function discoverMastodonDirectory(array $gserver)
 	{		
-		$result = DI::httpClient()->fetch($gserver['url'] . '/api/v1/directory?order=new&local=true&limit=200&offset=0');
+		$result = DI::httpClient()->fetch($gserver['url'] . '/api/v1/directory?order=new&local=true&limit=200&offset=0', 0, HttpClient::ACCEPT_JSON);
 		if (empty($result)) {
 			Logger::info('Empty result', ['url' => $gserver['url']]);
 			return;

src/Worker/UpdateServerPeers.php

@@ -25,6 +25,8 @@ use Friendica\Core\Logger;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\GServer;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Util\Strings;
 
 class UpdateServerPeers
@@ -35,7 +37,7 @@ class UpdateServerPeers
 	 */
 	public static function execute(string $url)
 	{
-		$ret = DI::httpClient()->get($url . '/api/v1/instance/peers');
+		$ret = DI::httpClient()->get($url . '/api/v1/instance/peers', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
 		if (!$ret->isSuccess() || empty($ret->getBody())) {
 			Logger::info('Server is not reachable or does not offer the "peers" endpoint', ['url' => $url]);
 			return;