|
|
@@ -0,0 +1,666 @@
|
|
|
+/*************************************************************************/
|
|
|
+/* http_client_tcp.cpp */
|
|
|
+/*************************************************************************/
|
|
|
+/* This file is part of: */
|
|
|
+/* GODOT ENGINE */
|
|
|
+/* https://godotengine.org */
|
|
|
+/*************************************************************************/
|
|
|
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
|
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
|
+/* */
|
|
|
+/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
|
+/* a copy of this software and associated documentation files (the */
|
|
|
+/* "Software"), to deal in the Software without restriction, including */
|
|
|
+/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
|
+/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
|
+/* permit persons to whom the Software is furnished to do so, subject to */
|
|
|
+/* the following conditions: */
|
|
|
+/* */
|
|
|
+/* The above copyright notice and this permission notice shall be */
|
|
|
+/* included in all copies or substantial portions of the Software. */
|
|
|
+/* */
|
|
|
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
|
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
|
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
|
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
|
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
|
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
|
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
|
+/*************************************************************************/
|
|
|
+
|
|
|
+#ifndef JAVASCRIPT_ENABLED
|
|
|
+
|
|
|
+#include "http_client_tcp.h"
|
|
|
+
|
|
|
+#include "core/io/stream_peer_ssl.h"
|
|
|
+#include "core/version.h"
|
|
|
+
|
|
|
+HTTPClient *HTTPClientTCP::_create_func() {
|
|
|
+ return memnew(HTTPClientTCP);
|
|
|
+}
|
|
|
+
|
|
|
+Error HTTPClientTCP::connect_to_host(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) {
|
|
|
+ close();
|
|
|
+
|
|
|
+ conn_port = p_port;
|
|
|
+ conn_host = p_host;
|
|
|
+
|
|
|
+ ssl = p_ssl;
|
|
|
+ ssl_verify_host = p_verify_host;
|
|
|
+
|
|
|
+ String host_lower = conn_host.to_lower();
|
|
|
+ if (host_lower.begins_with("http://")) {
|
|
|
+ conn_host = conn_host.substr(7, conn_host.length() - 7);
|
|
|
+ } else if (host_lower.begins_with("https://")) {
|
|
|
+ ssl = true;
|
|
|
+ conn_host = conn_host.substr(8, conn_host.length() - 8);
|
|
|
+ }
|
|
|
+
|
|
|
+ ERR_FAIL_COND_V(conn_host.length() < HOST_MIN_LEN, ERR_INVALID_PARAMETER);
|
|
|
+
|
|
|
+ if (conn_port < 0) {
|
|
|
+ if (ssl) {
|
|
|
+ conn_port = PORT_HTTPS;
|
|
|
+ } else {
|
|
|
+ conn_port = PORT_HTTP;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ connection = tcp_connection;
|
|
|
+
|
|
|
+ if (conn_host.is_valid_ip_address()) {
|
|
|
+ // Host contains valid IP
|
|
|
+ Error err = tcp_connection->connect_to_host(IPAddress(conn_host), p_port);
|
|
|
+ if (err) {
|
|
|
+ status = STATUS_CANT_CONNECT;
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+
|
|
|
+ status = STATUS_CONNECTING;
|
|
|
+ } else {
|
|
|
+ // Host contains hostname and needs to be resolved to IP
|
|
|
+ resolving = IP::get_singleton()->resolve_hostname_queue_item(conn_host);
|
|
|
+ status = STATUS_RESOLVING;
|
|
|
+ }
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+void HTTPClientTCP::set_connection(const Ref<StreamPeer> &p_connection) {
|
|
|
+ ERR_FAIL_COND_MSG(p_connection.is_null(), "Connection is not a reference to a valid StreamPeer object.");
|
|
|
+
|
|
|
+ if (ssl) {
|
|
|
+ ERR_FAIL_NULL_MSG(Object::cast_to<StreamPeerSSL>(p_connection.ptr()),
|
|
|
+ "Connection is not a reference to a valid StreamPeerSSL object.");
|
|
|
+ }
|
|
|
+
|
|
|
+ if (connection == p_connection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ close();
|
|
|
+ connection = p_connection;
|
|
|
+ status = STATUS_CONNECTED;
|
|
|
+}
|
|
|
+
|
|
|
+Ref<StreamPeer> HTTPClientTCP::get_connection() const {
|
|
|
+ return connection;
|
|
|
+}
|
|
|
+
|
|
|
+static bool _check_request_url(HTTPClientTCP::Method p_method, const String &p_url) {
|
|
|
+ switch (p_method) {
|
|
|
+ case HTTPClientTCP::METHOD_CONNECT: {
|
|
|
+ // Authority in host:port format, as in RFC7231
|
|
|
+ int pos = p_url.find_char(':');
|
|
|
+ return 0 < pos && pos < p_url.length() - 1;
|
|
|
+ }
|
|
|
+ case HTTPClientTCP::METHOD_OPTIONS: {
|
|
|
+ if (p_url == "*") {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ [[fallthrough]];
|
|
|
+ }
|
|
|
+ default:
|
|
|
+ // Absolute path or absolute URL
|
|
|
+ return p_url.begins_with("/") || p_url.begins_with("http://") || p_url.begins_with("https://");
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+Error HTTPClientTCP::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const uint8_t *p_body, int p_body_size) {
|
|
|
+ ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
|
|
|
+ ERR_FAIL_COND_V(!_check_request_url(p_method, p_url), ERR_INVALID_PARAMETER);
|
|
|
+ ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
|
|
|
+ ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);
|
|
|
+
|
|
|
+ String request = String(_methods[p_method]) + " " + p_url + " HTTP/1.1\r\n";
|
|
|
+ bool add_host = true;
|
|
|
+ bool add_clen = p_body_size > 0;
|
|
|
+ bool add_uagent = true;
|
|
|
+ bool add_accept = true;
|
|
|
+ for (int i = 0; i < p_headers.size(); i++) {
|
|
|
+ request += p_headers[i] + "\r\n";
|
|
|
+ if (add_host && p_headers[i].findn("Host:") == 0) {
|
|
|
+ add_host = false;
|
|
|
+ }
|
|
|
+ if (add_clen && p_headers[i].findn("Content-Length:") == 0) {
|
|
|
+ add_clen = false;
|
|
|
+ }
|
|
|
+ if (add_uagent && p_headers[i].findn("User-Agent:") == 0) {
|
|
|
+ add_uagent = false;
|
|
|
+ }
|
|
|
+ if (add_accept && p_headers[i].findn("Accept:") == 0) {
|
|
|
+ add_accept = false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (add_host) {
|
|
|
+ if ((ssl && conn_port == PORT_HTTPS) || (!ssl && conn_port == PORT_HTTP)) {
|
|
|
+ // Don't append the standard ports
|
|
|
+ request += "Host: " + conn_host + "\r\n";
|
|
|
+ } else {
|
|
|
+ request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (add_clen) {
|
|
|
+ request += "Content-Length: " + itos(p_body_size) + "\r\n";
|
|
|
+ // Should it add utf8 encoding?
|
|
|
+ }
|
|
|
+ if (add_uagent) {
|
|
|
+ request += "User-Agent: GodotEngine/" + String(VERSION_FULL_BUILD) + " (" + OS::get_singleton()->get_name() + ")\r\n";
|
|
|
+ }
|
|
|
+ if (add_accept) {
|
|
|
+ request += "Accept: */*\r\n";
|
|
|
+ }
|
|
|
+ request += "\r\n";
|
|
|
+ CharString cs = request.utf8();
|
|
|
+
|
|
|
+ Vector<uint8_t> data;
|
|
|
+ data.resize(cs.length() + p_body_size);
|
|
|
+ memcpy(data.ptrw(), cs.get_data(), cs.length());
|
|
|
+ if (p_body_size > 0) {
|
|
|
+ memcpy(data.ptrw() + cs.length(), p_body, p_body_size);
|
|
|
+ }
|
|
|
+
|
|
|
+ // TODO Implement non-blocking requests.
|
|
|
+ Error err = connection->put_data(data.ptr(), data.size());
|
|
|
+
|
|
|
+ if (err) {
|
|
|
+ close();
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+
|
|
|
+ status = STATUS_REQUESTING;
|
|
|
+ head_request = p_method == METHOD_HEAD;
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+bool HTTPClientTCP::has_response() const {
|
|
|
+ return response_headers.size() != 0;
|
|
|
+}
|
|
|
+
|
|
|
+bool HTTPClientTCP::is_response_chunked() const {
|
|
|
+ return chunked;
|
|
|
+}
|
|
|
+
|
|
|
+int HTTPClientTCP::get_response_code() const {
|
|
|
+ return response_num;
|
|
|
+}
|
|
|
+
|
|
|
+Error HTTPClientTCP::get_response_headers(List<String> *r_response) {
|
|
|
+ if (!response_headers.size()) {
|
|
|
+ return ERR_INVALID_PARAMETER;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (int i = 0; i < response_headers.size(); i++) {
|
|
|
+ r_response->push_back(response_headers[i]);
|
|
|
+ }
|
|
|
+
|
|
|
+ response_headers.clear();
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+void HTTPClientTCP::close() {
|
|
|
+ if (tcp_connection->get_status() != StreamPeerTCP::STATUS_NONE) {
|
|
|
+ tcp_connection->disconnect_from_host();
|
|
|
+ }
|
|
|
+
|
|
|
+ connection.unref();
|
|
|
+ status = STATUS_DISCONNECTED;
|
|
|
+ head_request = false;
|
|
|
+ if (resolving != IP::RESOLVER_INVALID_ID) {
|
|
|
+ IP::get_singleton()->erase_resolve_item(resolving);
|
|
|
+ resolving = IP::RESOLVER_INVALID_ID;
|
|
|
+ }
|
|
|
+
|
|
|
+ response_headers.clear();
|
|
|
+ response_str.clear();
|
|
|
+ body_size = -1;
|
|
|
+ body_left = 0;
|
|
|
+ chunk_left = 0;
|
|
|
+ chunk_trailer_part = false;
|
|
|
+ read_until_eof = false;
|
|
|
+ response_num = 0;
|
|
|
+ handshaking = false;
|
|
|
+}
|
|
|
+
|
|
|
+Error HTTPClientTCP::poll() {
|
|
|
+ switch (status) {
|
|
|
+ case STATUS_RESOLVING: {
|
|
|
+ ERR_FAIL_COND_V(resolving == IP::RESOLVER_INVALID_ID, ERR_BUG);
|
|
|
+
|
|
|
+ IP::ResolverStatus rstatus = IP::get_singleton()->get_resolve_item_status(resolving);
|
|
|
+ switch (rstatus) {
|
|
|
+ case IP::RESOLVER_STATUS_WAITING:
|
|
|
+ return OK; // Still resolving
|
|
|
+
|
|
|
+ case IP::RESOLVER_STATUS_DONE: {
|
|
|
+ IPAddress host = IP::get_singleton()->get_resolve_item_address(resolving);
|
|
|
+ Error err = tcp_connection->connect_to_host(host, conn_port);
|
|
|
+ IP::get_singleton()->erase_resolve_item(resolving);
|
|
|
+ resolving = IP::RESOLVER_INVALID_ID;
|
|
|
+ if (err) {
|
|
|
+ status = STATUS_CANT_CONNECT;
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+
|
|
|
+ status = STATUS_CONNECTING;
|
|
|
+ } break;
|
|
|
+ case IP::RESOLVER_STATUS_NONE:
|
|
|
+ case IP::RESOLVER_STATUS_ERROR: {
|
|
|
+ IP::get_singleton()->erase_resolve_item(resolving);
|
|
|
+ resolving = IP::RESOLVER_INVALID_ID;
|
|
|
+ close();
|
|
|
+ status = STATUS_CANT_RESOLVE;
|
|
|
+ return ERR_CANT_RESOLVE;
|
|
|
+ } break;
|
|
|
+ }
|
|
|
+ } break;
|
|
|
+ case STATUS_CONNECTING: {
|
|
|
+ StreamPeerTCP::Status s = tcp_connection->get_status();
|
|
|
+ switch (s) {
|
|
|
+ case StreamPeerTCP::STATUS_CONNECTING: {
|
|
|
+ return OK;
|
|
|
+ } break;
|
|
|
+ case StreamPeerTCP::STATUS_CONNECTED: {
|
|
|
+ if (ssl) {
|
|
|
+ Ref<StreamPeerSSL> ssl;
|
|
|
+ if (!handshaking) {
|
|
|
+ // Connect the StreamPeerSSL and start handshaking
|
|
|
+ ssl = Ref<StreamPeerSSL>(StreamPeerSSL::create());
|
|
|
+ ssl->set_blocking_handshake_enabled(false);
|
|
|
+ Error err = ssl->connect_to_stream(tcp_connection, ssl_verify_host, conn_host);
|
|
|
+ if (err != OK) {
|
|
|
+ close();
|
|
|
+ status = STATUS_SSL_HANDSHAKE_ERROR;
|
|
|
+ return ERR_CANT_CONNECT;
|
|
|
+ }
|
|
|
+ connection = ssl;
|
|
|
+ handshaking = true;
|
|
|
+ } else {
|
|
|
+ // We are already handshaking, which means we can use your already active SSL connection
|
|
|
+ ssl = static_cast<Ref<StreamPeerSSL>>(connection);
|
|
|
+ if (ssl.is_null()) {
|
|
|
+ close();
|
|
|
+ status = STATUS_SSL_HANDSHAKE_ERROR;
|
|
|
+ return ERR_CANT_CONNECT;
|
|
|
+ }
|
|
|
+
|
|
|
+ ssl->poll(); // Try to finish the handshake
|
|
|
+ }
|
|
|
+
|
|
|
+ if (ssl->get_status() == StreamPeerSSL::STATUS_CONNECTED) {
|
|
|
+ // Handshake has been successful
|
|
|
+ handshaking = false;
|
|
|
+ status = STATUS_CONNECTED;
|
|
|
+ return OK;
|
|
|
+ } else if (ssl->get_status() != StreamPeerSSL::STATUS_HANDSHAKING) {
|
|
|
+ // Handshake has failed
|
|
|
+ close();
|
|
|
+ status = STATUS_SSL_HANDSHAKE_ERROR;
|
|
|
+ return ERR_CANT_CONNECT;
|
|
|
+ }
|
|
|
+ // ... we will need to poll more for handshake to finish
|
|
|
+ } else {
|
|
|
+ status = STATUS_CONNECTED;
|
|
|
+ }
|
|
|
+ return OK;
|
|
|
+ } break;
|
|
|
+ case StreamPeerTCP::STATUS_ERROR:
|
|
|
+ case StreamPeerTCP::STATUS_NONE: {
|
|
|
+ close();
|
|
|
+ status = STATUS_CANT_CONNECT;
|
|
|
+ return ERR_CANT_CONNECT;
|
|
|
+ } break;
|
|
|
+ }
|
|
|
+ } break;
|
|
|
+ case STATUS_BODY:
|
|
|
+ case STATUS_CONNECTED: {
|
|
|
+ // Check if we are still connected
|
|
|
+ if (ssl) {
|
|
|
+ Ref<StreamPeerSSL> tmp = connection;
|
|
|
+ tmp->poll();
|
|
|
+ if (tmp->get_status() != StreamPeerSSL::STATUS_CONNECTED) {
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ return ERR_CONNECTION_ERROR;
|
|
|
+ }
|
|
|
+ } else if (tcp_connection->get_status() != StreamPeerTCP::STATUS_CONNECTED) {
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ return ERR_CONNECTION_ERROR;
|
|
|
+ }
|
|
|
+ // Connection established, requests can now be made
|
|
|
+ return OK;
|
|
|
+ } break;
|
|
|
+ case STATUS_REQUESTING: {
|
|
|
+ while (true) {
|
|
|
+ uint8_t byte;
|
|
|
+ int rec = 0;
|
|
|
+ Error err = _get_http_data(&byte, 1, rec);
|
|
|
+ if (err != OK) {
|
|
|
+ close();
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ return ERR_CONNECTION_ERROR;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rec == 0) {
|
|
|
+ return OK; // Still requesting, keep trying!
|
|
|
+ }
|
|
|
+
|
|
|
+ response_str.push_back(byte);
|
|
|
+ int rs = response_str.size();
|
|
|
+ if (
|
|
|
+ (rs >= 2 && response_str[rs - 2] == '\n' && response_str[rs - 1] == '\n') ||
|
|
|
+ (rs >= 4 && response_str[rs - 4] == '\r' && response_str[rs - 3] == '\n' && response_str[rs - 2] == '\r' && response_str[rs - 1] == '\n')) {
|
|
|
+ // End of response, parse.
|
|
|
+ response_str.push_back(0);
|
|
|
+ String response;
|
|
|
+ response.parse_utf8((const char *)response_str.ptr());
|
|
|
+ Vector<String> responses = response.split("\n");
|
|
|
+ body_size = -1;
|
|
|
+ chunked = false;
|
|
|
+ body_left = 0;
|
|
|
+ chunk_left = 0;
|
|
|
+ chunk_trailer_part = false;
|
|
|
+ read_until_eof = false;
|
|
|
+ response_str.clear();
|
|
|
+ response_headers.clear();
|
|
|
+ response_num = RESPONSE_OK;
|
|
|
+
|
|
|
+ // Per the HTTP 1.1 spec, keep-alive is the default.
|
|
|
+ // Not following that specification breaks standard implementations.
|
|
|
+ // Broken web servers should be fixed.
|
|
|
+ bool keep_alive = true;
|
|
|
+
|
|
|
+ for (int i = 0; i < responses.size(); i++) {
|
|
|
+ String header = responses[i].strip_edges();
|
|
|
+ String s = header.to_lower();
|
|
|
+ if (s.length() == 0) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (s.begins_with("content-length:")) {
|
|
|
+ body_size = s.substr(s.find(":") + 1, s.length()).strip_edges().to_int();
|
|
|
+ body_left = body_size;
|
|
|
+
|
|
|
+ } else if (s.begins_with("transfer-encoding:")) {
|
|
|
+ String encoding = header.substr(header.find(":") + 1, header.length()).strip_edges();
|
|
|
+ if (encoding == "chunked") {
|
|
|
+ chunked = true;
|
|
|
+ }
|
|
|
+ } else if (s.begins_with("connection: close")) {
|
|
|
+ keep_alive = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (i == 0 && responses[i].begins_with("HTTP")) {
|
|
|
+ String num = responses[i].get_slicec(' ', 1);
|
|
|
+ response_num = num.to_int();
|
|
|
+ } else {
|
|
|
+ response_headers.push_back(header);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // This is a HEAD request, we won't receive anything.
|
|
|
+ if (head_request) {
|
|
|
+ body_size = 0;
|
|
|
+ body_left = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (body_size != -1 || chunked) {
|
|
|
+ status = STATUS_BODY;
|
|
|
+ } else if (!keep_alive) {
|
|
|
+ read_until_eof = true;
|
|
|
+ status = STATUS_BODY;
|
|
|
+ } else {
|
|
|
+ status = STATUS_CONNECTED;
|
|
|
+ }
|
|
|
+ return OK;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } break;
|
|
|
+ case STATUS_DISCONNECTED: {
|
|
|
+ return ERR_UNCONFIGURED;
|
|
|
+ } break;
|
|
|
+ case STATUS_CONNECTION_ERROR:
|
|
|
+ case STATUS_SSL_HANDSHAKE_ERROR: {
|
|
|
+ return ERR_CONNECTION_ERROR;
|
|
|
+ } break;
|
|
|
+ case STATUS_CANT_CONNECT: {
|
|
|
+ return ERR_CANT_CONNECT;
|
|
|
+ } break;
|
|
|
+ case STATUS_CANT_RESOLVE: {
|
|
|
+ return ERR_CANT_RESOLVE;
|
|
|
+ } break;
|
|
|
+ }
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+int HTTPClientTCP::get_response_body_length() const {
|
|
|
+ return body_size;
|
|
|
+}
|
|
|
+
|
|
|
+PackedByteArray HTTPClientTCP::read_response_body_chunk() {
|
|
|
+ ERR_FAIL_COND_V(status != STATUS_BODY, PackedByteArray());
|
|
|
+
|
|
|
+ PackedByteArray ret;
|
|
|
+ Error err = OK;
|
|
|
+
|
|
|
+ if (chunked) {
|
|
|
+ while (true) {
|
|
|
+ if (chunk_trailer_part) {
|
|
|
+ // We need to consume the trailer part too or keep-alive will break
|
|
|
+ uint8_t b;
|
|
|
+ int rec = 0;
|
|
|
+ err = _get_http_data(&b, 1, rec);
|
|
|
+
|
|
|
+ if (rec == 0) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ chunk.push_back(b);
|
|
|
+ int cs = chunk.size();
|
|
|
+ if ((cs >= 2 && chunk[cs - 2] == '\r' && chunk[cs - 1] == '\n')) {
|
|
|
+ if (cs == 2) {
|
|
|
+ // Finally over
|
|
|
+ chunk_trailer_part = false;
|
|
|
+ status = STATUS_CONNECTED;
|
|
|
+ chunk.clear();
|
|
|
+ break;
|
|
|
+ } else {
|
|
|
+ // We do not process nor return the trailer data
|
|
|
+ chunk.clear();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else if (chunk_left == 0) {
|
|
|
+ // Reading length
|
|
|
+ uint8_t b;
|
|
|
+ int rec = 0;
|
|
|
+ err = _get_http_data(&b, 1, rec);
|
|
|
+
|
|
|
+ if (rec == 0) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ chunk.push_back(b);
|
|
|
+
|
|
|
+ if (chunk.size() > 32) {
|
|
|
+ ERR_PRINT("HTTP Invalid chunk hex len");
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (chunk.size() > 2 && chunk[chunk.size() - 2] == '\r' && chunk[chunk.size() - 1] == '\n') {
|
|
|
+ int len = 0;
|
|
|
+ for (int i = 0; i < chunk.size() - 2; i++) {
|
|
|
+ char c = chunk[i];
|
|
|
+ int v = 0;
|
|
|
+ if (c >= '0' && c <= '9') {
|
|
|
+ v = c - '0';
|
|
|
+ } else if (c >= 'a' && c <= 'f') {
|
|
|
+ v = c - 'a' + 10;
|
|
|
+ } else if (c >= 'A' && c <= 'F') {
|
|
|
+ v = c - 'A' + 10;
|
|
|
+ } else {
|
|
|
+ ERR_PRINT("HTTP Chunk len not in hex!!");
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ len <<= 4;
|
|
|
+ len |= v;
|
|
|
+ if (len > (1 << 24)) {
|
|
|
+ ERR_PRINT("HTTP Chunk too big!! >16mb");
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (len == 0) {
|
|
|
+ // End reached!
|
|
|
+ chunk_trailer_part = true;
|
|
|
+ chunk.clear();
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ chunk_left = len + 2;
|
|
|
+ chunk.resize(chunk_left);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ int rec = 0;
|
|
|
+ err = _get_http_data(&chunk.write[chunk.size() - chunk_left], chunk_left, rec);
|
|
|
+ if (rec == 0) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ chunk_left -= rec;
|
|
|
+
|
|
|
+ if (chunk_left == 0) {
|
|
|
+ if (chunk[chunk.size() - 2] != '\r' || chunk[chunk.size() - 1] != '\n') {
|
|
|
+ ERR_PRINT("HTTP Invalid chunk terminator (not \\r\\n)");
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret.resize(chunk.size() - 2);
|
|
|
+ uint8_t *w = ret.ptrw();
|
|
|
+ memcpy(w, chunk.ptr(), chunk.size() - 2);
|
|
|
+ chunk.clear();
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ int to_read = !read_until_eof ? MIN(body_left, read_chunk_size) : read_chunk_size;
|
|
|
+ ret.resize(to_read);
|
|
|
+ int _offset = 0;
|
|
|
+ while (to_read > 0) {
|
|
|
+ int rec = 0;
|
|
|
+ {
|
|
|
+ uint8_t *w = ret.ptrw();
|
|
|
+ err = _get_http_data(w + _offset, to_read, rec);
|
|
|
+ }
|
|
|
+ if (rec <= 0) { // Ended up reading less
|
|
|
+ ret.resize(_offset);
|
|
|
+ break;
|
|
|
+ } else {
|
|
|
+ _offset += rec;
|
|
|
+ to_read -= rec;
|
|
|
+ if (!read_until_eof) {
|
|
|
+ body_left -= rec;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (err != OK) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (err != OK) {
|
|
|
+ close();
|
|
|
+
|
|
|
+ if (err == ERR_FILE_EOF) {
|
|
|
+ status = STATUS_DISCONNECTED; // Server disconnected
|
|
|
+ } else {
|
|
|
+ status = STATUS_CONNECTION_ERROR;
|
|
|
+ }
|
|
|
+ } else if (body_left == 0 && !chunked && !read_until_eof) {
|
|
|
+ status = STATUS_CONNECTED;
|
|
|
+ }
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+HTTPClientTCP::Status HTTPClientTCP::get_status() const {
|
|
|
+ return status;
|
|
|
+}
|
|
|
+
|
|
|
+void HTTPClientTCP::set_blocking_mode(bool p_enable) {
|
|
|
+ blocking = p_enable;
|
|
|
+}
|
|
|
+
|
|
|
+bool HTTPClientTCP::is_blocking_mode_enabled() const {
|
|
|
+ return blocking;
|
|
|
+}
|
|
|
+
|
|
|
+Error HTTPClientTCP::_get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received) {
|
|
|
+ if (blocking) {
|
|
|
+ // We can't use StreamPeer.get_data, since when reaching EOF we will get an
|
|
|
+ // error without knowing how many bytes we received.
|
|
|
+ Error err = ERR_FILE_EOF;
|
|
|
+ int read = 0;
|
|
|
+ int left = p_bytes;
|
|
|
+ r_received = 0;
|
|
|
+ while (left > 0) {
|
|
|
+ err = connection->get_partial_data(p_buffer + r_received, left, read);
|
|
|
+ if (err == OK) {
|
|
|
+ r_received += read;
|
|
|
+ } else if (err == ERR_FILE_EOF) {
|
|
|
+ r_received += read;
|
|
|
+ return err;
|
|
|
+ } else {
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+ left -= read;
|
|
|
+ }
|
|
|
+ return err;
|
|
|
+ } else {
|
|
|
+ return connection->get_partial_data(p_buffer, p_bytes, r_received);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void HTTPClientTCP::set_read_chunk_size(int p_size) {
|
|
|
+ ERR_FAIL_COND(p_size < 256 || p_size > (1 << 24));
|
|
|
+ read_chunk_size = p_size;
|
|
|
+}
|
|
|
+
|
|
|
+int HTTPClientTCP::get_read_chunk_size() const {
|
|
|
+ return read_chunk_size;
|
|
|
+}
|
|
|
+
|
|
|
+HTTPClientTCP::HTTPClientTCP() {
|
|
|
+ tcp_connection.instantiate();
|
|
|
+}
|
|
|
+
|
|
|
+HTTPClient *(*HTTPClient::_create)() = HTTPClientTCP::_create_func;
|
|
|
+
|
|
|
+#endif // #ifndef JAVASCRIPT_ENABLED
|
Fabio Alessandrelli