Merge pull request #9437 from nupplaphil/task/httprequest_head

Add HTTPRequest::head() function

mod/parse_url.php

@@ -85,7 +85,7 @@ function parse_url_content(App $a)
 	// Check if the URL is an image, video or audio file. If so format
 	// the URL with the corresponding BBCode media tag
 	// Fetch the header of the URL
-	$curlResponse = DI::httpRequest()->get($url, ['novalidate' => true, 'nobody' => true]);
+	$curlResponse = DI::httpRequest()->head($url);
 
 	if ($curlResponse->isSuccess()) {
 		// Convert the header fields into an array

src/Model/GServer.php

@@ -1639,7 +1639,7 @@ class GServer
 		if (!empty($accesstoken)) {
 			$api = 'https://instances.social/api/1.0/instances/list?count=0';
 			$header = ['Authorization: Bearer '.$accesstoken];
-			$curlResult = DI::httpRequest()->get($api, ['headers' => $header]);
+			$curlResult = DI::httpRequest()->get($api, ['header' => $header]);
 
 			if ($curlResult->isSuccess()) {
 				$servers = json_decode($curlResult->getBody(), true);

src/Module/Magic.php

@@ -88,19 +88,19 @@ class Magic extends BaseModule
 				$exp = explode('/profile/', $contact['url']);
 				$basepath = $exp[0];
 
-				$headers = [];
+				$header = [];
-				$headers['Accept'] = 'application/x-dfrn+json, application/x-zot+json';
+				$header['Accept'] = 'application/x-dfrn+json, application/x-zot+json';
-				$headers['X-Open-Web-Auth'] = Strings::getRandomHex();
+				$header['X-Open-Web-Auth'] = Strings::getRandomHex();
 
 				// Create a header that is signed with the local users private key.
-				$headers = HTTPSignature::createSig(
+				$header = HTTPSignature::createSig(
-					$headers,
+					$header,
 					$user['prvkey'],
 					'acct:' . $user['nickname'] . '@' . DI::baseUrl()->getHostname() . (DI::baseUrl()->getUrlPath() ? '/' . DI::baseUrl()->getUrlPath() : '')
 				);
 
 				// Try to get an authentication token from the other instance.
-				$curlResult = DI::httpRequest()->get($basepath . '/owa', ['headers' => $headers]);
+				$curlResult = DI::httpRequest()->get($basepath . '/owa', ['header' => $header]);
 
 				if ($curlResult->isSuccess()) {
 					$j = json_decode($curlResult->getBody(), true);

src/Network/HTTPRequest.php

@@ -52,6 +52,17 @@ class HTTPRequest implements IHTTPRequest
 		$this->baseUrl  = $baseUrl->get();
 	}
 
+	/** {@inheritDoc}
+	 *
+	 * @throws HTTPException\InternalServerErrorException
+	 */
+	public function head(string $url, array $opts = [])
+	{
+		$opts['nobody'] = true;
+
+		return $this->get($url, $opts);
+	}
+
 	/**
 	 * {@inheritDoc}
 	 *
@@ -130,6 +141,7 @@ class HTTPRequest implements IHTTPRequest
 		curl_setopt($ch, CURLOPT_ENCODING, '');
 
 		if (!empty($opts['headers'])) {
+			$this->logger->notice('Wrong option \'headers\' used.');
 			@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
 		}
 
@@ -172,8 +184,6 @@ class HTTPRequest implements IHTTPRequest
 			curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
 		}
 
-		$logger = $this->logger;
-
 		$s         = @curl_exec($ch);
 		$curl_info = @curl_getinfo($ch);
 

src/Network/IHTTPRequest.php

@@ -29,12 +29,10 @@ interface IHTTPRequest
 	/**
 	 * Fetches the content of an URL
 	 *
-	 * If binary flag is true, return binary results.
 	 * Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
 	 * to preserve cookies from one request to the next.
 	 *
 	 * @param string $url             URL to fetch
-	 *                                TRUE if asked to return binary results (file download)
 	 * @param int    $timeout         Timeout in seconds, default system config value or 60 seconds
 	 * @param string $accept_content  supply Accept: header with 'accept_content' as the value
 	 * @param string $cookiejar       Path to cookie jar file
@@ -50,7 +48,6 @@ interface IHTTPRequest
 	 * all the information collected during the fetch.
 	 *
 	 * @param string $url             URL to fetch
-	 *                                TRUE if asked to return binary results (file download)
 	 * @param int    $timeout         Timeout in seconds, default system config value or 60 seconds
 	 * @param string $accept_content  supply Accept: header with 'accept_content' as the value
 	 * @param string $cookiejar       Path to cookie jar file
@@ -60,16 +57,26 @@ interface IHTTPRequest
 	public function fetchFull(string $url, int $timeout = 0, string $accept_content = '', string $cookiejar = '');
 
 	/**
-	 * Send a GET to an URL.
+	 * Send a HEAD to an URL.
+	 *
+	 * @param string $url        URL to fetch
+	 * @param array  $opts       (optional parameters) assoziative array with:
+	 *                           'accept_content' => supply Accept: header with 'accept_content' as the value
+	 *                           'timeout' => int Timeout in seconds, default system config value or 60 seconds
+	 *                           'cookiejar' => path to cookie jar file
+	 *                           'header' => header array
+	 *
+	 * @return CurlResult
+	 */
+	public function head(string $url, array $opts = []);
+
+	/**
+	 * Send a GET to an URL.
 	 *
 	 * @param string $url        URL to fetch
-	 *                           TRUE if asked to return binary results (file download)
 	 * @param array  $opts       (optional parameters) assoziative array with:
 	 *                           'accept_content' => supply Accept: header with 'accept_content' as the value
 	 *                           'timeout' => int Timeout in seconds, default system config value or 60 seconds
-	 *                           'http_auth' => username:password
-	 *                           'novalidate' => do not validate SSL certs, default is to validate using our CA list
-	 *                           'nobody' => only return the header
 	 *                           'cookiejar' => path to cookie jar file
 	 *                           'header' => header array
 	 *

src/Util/HTTPSignature.php

@@ -403,8 +403,6 @@ class HTTPSignature
 	 * @param array   $opts    (optional parameters) assoziative array with:
 	 *                         'accept_content' => supply Accept: header with 'accept_content' as the value
 	 *                         'timeout' => int Timeout in seconds, default system config value or 60 seconds
-	 *                         'http_auth' => username:password
-	 *                         'novalidate' => do not validate SSL certs, default is to validate using our CA list
 	 *                         'nobody' => only return the header
 	 *                         'cookiejar' => path to cookie jar file
 	 *
@@ -413,7 +411,7 @@ class HTTPSignature
 	 */
 	public static function fetchRaw($request, $uid = 0, $binary = false, $opts = [])
 	{
-		$headers = [];
+		$header = [];
 
 		if (!empty($uid)) {
 			$owner = User::getOwnerDataById($uid);
@@ -433,23 +431,27 @@ class HTTPSignature
 			$path = parse_url($request, PHP_URL_PATH);
 			$date = DateTimeFormat::utcNow(DateTimeFormat::HTTP);
 
-			$headers = ['Date: ' . $date, 'Host: ' . $host];
+			$header = ['Date: ' . $date, 'Host: ' . $host];
 
 			$signed_data = "(request-target): get " . $path . "\ndate: ". $date . "\nhost: " . $host;
 
 			$signature = base64_encode(Crypto::rsaSign($signed_data, $owner['uprvkey'], 'sha256'));
 
-			$headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",algorithm="rsa-sha256",headers="(request-target) date host",signature="' . $signature . '"';
+			$header[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",algorithm="rsa-sha256",headers="(request-target) date host",signature="' . $signature . '"';
 		}
 
 		if (!empty($opts['accept_content'])) {
-			$headers[] = 'Accept: ' . $opts['accept_content'];
+			$header[] = 'Accept: ' . $opts['accept_content'];
 		}
 
 		$curl_opts = $opts;
-		$curl_opts['header'] = $headers;
+		$curl_opts['header'] = $header;
 
+		if ($opts['nobody']) {
+			$curlResult = DI::httpRequest()->head($request, $curl_opts);
+		} else {
 			$curlResult = DI::httpRequest()->get($request, $curl_opts);
+		}
 		$return_code = $curlResult->getReturnCode();
 
 		Logger::log('Fetched for user ' . $uid . ' from ' . $request . ' returned ' . $return_code, Logger::DEBUG);