Fixing HTTPClient::post() and introduce HTTPRequestOptions

src/Network/HTTPRequestOptions.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Friendica\Network;
+
+use GuzzleHttp\RequestOptions;
+
+/**
+ * This class contains a list of possible HTTPClient request options.
+ */
+class HTTPRequestOptions
+{
+	/**
+	 * accept_content: (array) supply Accept: header with 'accept_content' as the value
+	 */
+	const ACCEPT_CONTENT = 'accept_content';
+	/**
+	 * timeout: (int) out in seconds, default system config value or 60 seconds
+	 */
+	const TIMEOUT = RequestOptions::TIMEOUT;
+	/**
+	 * cookiejar: (string) path to cookie jar file
+	 */
+	const COOKIEJAR = 'cookiejar';
+	/**
+	 * headers: (array) header array
+	 */
+	const HEADERS = RequestOptions::HEADERS;
+	/**
+	 * header: (array) header array (legacy version)
+	 */
+	const LEGACY_HEADER = 'header';
+	/**
+	 * content_length: (int) maximum File content length
+	 */
+	const CONTENT_LENGTH = 'content_length';
+	/**
+	 * body: (mixed) Setting the body for sending data
+	 */
+	const BODY = RequestOptions::BODY;
+}