eeac6f8c7f
If no StreamPeerTLS implementation is available, HTTPClient and WebSocketPeer will now correctly refuse to connect using TLS returning ERR_UNAVAILABLE. Similarly, ENetConnection will refuse to setup DTLS when PacketPeerDTLS is not available.
797 lines
22 KiB
C++
797 lines
22 KiB
C++
/**************************************************************************/
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/* http_client_tcp.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef WEB_ENABLED
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#include "http_client_tcp.h"
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#include "core/io/stream_peer_tls.h"
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#include "core/version.h"
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HTTPClient *HTTPClientTCP::_create_func() {
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return memnew(HTTPClientTCP);
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}
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Error HTTPClientTCP::connect_to_host(const String &p_host, int p_port, Ref<TLSOptions> p_options) {
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close();
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conn_port = p_port;
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conn_host = p_host;
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tls_options = p_options;
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ip_candidates.clear();
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String host_lower = conn_host.to_lower();
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if (host_lower.begins_with("http://")) {
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conn_host = conn_host.substr(7, conn_host.length() - 7);
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tls_options.unref();
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} else if (host_lower.begins_with("https://")) {
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if (tls_options.is_null()) {
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tls_options = TLSOptions::client();
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}
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conn_host = conn_host.substr(8, conn_host.length() - 8);
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}
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ERR_FAIL_COND_V(tls_options.is_valid() && tls_options->is_server(), ERR_INVALID_PARAMETER);
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ERR_FAIL_COND_V_MSG(tls_options.is_valid() && !StreamPeerTLS::is_available(), ERR_UNAVAILABLE, "HTTPS is not available in this build.");
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ERR_FAIL_COND_V(conn_host.length() < HOST_MIN_LEN, ERR_INVALID_PARAMETER);
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if (conn_port < 0) {
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if (tls_options.is_valid()) {
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conn_port = PORT_HTTPS;
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} else {
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conn_port = PORT_HTTP;
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}
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}
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connection = tcp_connection;
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if (tls_options.is_valid() && https_proxy_port != -1) {
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proxy_client.instantiate(); // Needs proxy negotiation.
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server_host = https_proxy_host;
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server_port = https_proxy_port;
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} else if (tls_options.is_null() && http_proxy_port != -1) {
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server_host = http_proxy_host;
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server_port = http_proxy_port;
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} else {
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server_host = conn_host;
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server_port = conn_port;
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}
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if (server_host.is_valid_ip_address()) {
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// Host contains valid IP.
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Error err = tcp_connection->connect_to_host(IPAddress(server_host), server_port);
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if (err) {
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status = STATUS_CANT_CONNECT;
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return err;
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}
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status = STATUS_CONNECTING;
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} else {
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// Host contains hostname and needs to be resolved to IP.
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resolving = IP::get_singleton()->resolve_hostname_queue_item(server_host);
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if (resolving == IP::RESOLVER_INVALID_ID) {
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status = STATUS_CANT_RESOLVE;
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return ERR_CANT_RESOLVE;
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}
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status = STATUS_RESOLVING;
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}
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return OK;
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}
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void HTTPClientTCP::set_connection(const Ref<StreamPeer> &p_connection) {
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ERR_FAIL_COND_MSG(p_connection.is_null(), "Connection is not a reference to a valid StreamPeer object.");
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if (tls_options.is_valid()) {
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ERR_FAIL_NULL_MSG(Object::cast_to<StreamPeerTLS>(p_connection.ptr()),
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"Connection is not a reference to a valid StreamPeerTLS object.");
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}
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if (connection == p_connection) {
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return;
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}
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close();
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connection = p_connection;
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status = STATUS_CONNECTED;
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}
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Ref<StreamPeer> HTTPClientTCP::get_connection() const {
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return connection;
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}
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static bool _check_request_url(HTTPClientTCP::Method p_method, const String &p_url) {
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switch (p_method) {
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case HTTPClientTCP::METHOD_CONNECT: {
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// Authority in host:port format, as in RFC7231.
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int pos = p_url.find_char(':');
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return 0 < pos && pos < p_url.length() - 1;
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}
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case HTTPClientTCP::METHOD_OPTIONS: {
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if (p_url == "*") {
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return true;
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}
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[[fallthrough]];
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}
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default:
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// Absolute path or absolute URL.
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return p_url.begins_with("/") || p_url.begins_with("http://") || p_url.begins_with("https://");
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}
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}
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Error HTTPClientTCP::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const uint8_t *p_body, int p_body_size) {
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ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
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ERR_FAIL_COND_V(!_check_request_url(p_method, p_url), ERR_INVALID_PARAMETER);
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ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
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ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);
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Error err = verify_headers(p_headers);
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if (err) {
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return err;
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}
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String uri = p_url;
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if (tls_options.is_null() && http_proxy_port != -1) {
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uri = vformat("http://%s:%d%s", conn_host, conn_port, p_url);
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}
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String request = String(_methods[p_method]) + " " + uri + " HTTP/1.1\r\n";
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bool add_host = true;
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bool add_clen = p_body_size > 0;
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bool add_uagent = true;
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bool add_accept = true;
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for (int i = 0; i < p_headers.size(); i++) {
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request += p_headers[i] + "\r\n";
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if (add_host && p_headers[i].findn("Host:") == 0) {
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add_host = false;
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}
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if (add_clen && p_headers[i].findn("Content-Length:") == 0) {
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add_clen = false;
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}
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if (add_uagent && p_headers[i].findn("User-Agent:") == 0) {
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add_uagent = false;
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}
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if (add_accept && p_headers[i].findn("Accept:") == 0) {
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add_accept = false;
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}
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}
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if (add_host) {
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if ((tls_options.is_valid() && conn_port == PORT_HTTPS) || (tls_options.is_null() && conn_port == PORT_HTTP)) {
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// Don't append the standard ports.
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request += "Host: " + conn_host + "\r\n";
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} else {
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request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
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}
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}
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if (add_clen) {
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request += "Content-Length: " + itos(p_body_size) + "\r\n";
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// Should it add utf8 encoding?
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}
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if (add_uagent) {
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request += "User-Agent: GodotEngine/" + String(VERSION_FULL_BUILD) + " (" + OS::get_singleton()->get_name() + ")\r\n";
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}
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if (add_accept) {
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request += "Accept: */*\r\n";
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}
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request += "\r\n";
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CharString cs = request.utf8();
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request_buffer->clear();
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request_buffer->put_data((const uint8_t *)cs.get_data(), cs.length());
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if (p_body_size > 0) {
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request_buffer->put_data(p_body, p_body_size);
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}
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request_buffer->seek(0);
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status = STATUS_REQUESTING;
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head_request = p_method == METHOD_HEAD;
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return OK;
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}
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bool HTTPClientTCP::has_response() const {
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return response_headers.size() != 0;
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}
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bool HTTPClientTCP::is_response_chunked() const {
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return chunked;
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}
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int HTTPClientTCP::get_response_code() const {
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return response_num;
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}
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Error HTTPClientTCP::get_response_headers(List<String> *r_response) {
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if (!response_headers.size()) {
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return ERR_INVALID_PARAMETER;
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}
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for (int i = 0; i < response_headers.size(); i++) {
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r_response->push_back(response_headers[i]);
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}
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response_headers.clear();
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return OK;
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}
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void HTTPClientTCP::close() {
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if (tcp_connection->get_status() != StreamPeerTCP::STATUS_NONE) {
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tcp_connection->disconnect_from_host();
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}
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connection.unref();
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proxy_client.unref();
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status = STATUS_DISCONNECTED;
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head_request = false;
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if (resolving != IP::RESOLVER_INVALID_ID) {
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IP::get_singleton()->erase_resolve_item(resolving);
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resolving = IP::RESOLVER_INVALID_ID;
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}
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ip_candidates.clear();
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response_headers.clear();
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response_str.clear();
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request_buffer->clear();
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body_size = -1;
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body_left = 0;
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chunk_left = 0;
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chunk_trailer_part = false;
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read_until_eof = false;
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response_num = 0;
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handshaking = false;
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}
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Error HTTPClientTCP::poll() {
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if (tcp_connection.is_valid()) {
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tcp_connection->poll();
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}
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switch (status) {
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case STATUS_RESOLVING: {
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ERR_FAIL_COND_V(resolving == IP::RESOLVER_INVALID_ID, ERR_BUG);
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IP::ResolverStatus rstatus = IP::get_singleton()->get_resolve_item_status(resolving);
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switch (rstatus) {
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case IP::RESOLVER_STATUS_WAITING:
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return OK; // Still resolving.
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case IP::RESOLVER_STATUS_DONE: {
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ip_candidates = IP::get_singleton()->get_resolve_item_addresses(resolving);
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IP::get_singleton()->erase_resolve_item(resolving);
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resolving = IP::RESOLVER_INVALID_ID;
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Error err = ERR_BUG; // Should be at least one entry.
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while (ip_candidates.size() > 0) {
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err = tcp_connection->connect_to_host(ip_candidates.pop_front(), server_port);
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if (err == OK) {
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break;
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}
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}
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if (err) {
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status = STATUS_CANT_CONNECT;
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return err;
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}
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status = STATUS_CONNECTING;
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} break;
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case IP::RESOLVER_STATUS_NONE:
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case IP::RESOLVER_STATUS_ERROR: {
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IP::get_singleton()->erase_resolve_item(resolving);
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resolving = IP::RESOLVER_INVALID_ID;
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close();
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status = STATUS_CANT_RESOLVE;
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return ERR_CANT_RESOLVE;
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} break;
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}
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} break;
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case STATUS_CONNECTING: {
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StreamPeerTCP::Status s = tcp_connection->get_status();
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switch (s) {
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case StreamPeerTCP::STATUS_CONNECTING: {
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return OK;
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} break;
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case StreamPeerTCP::STATUS_CONNECTED: {
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if (tls_options.is_valid() && proxy_client.is_valid()) {
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Error err = proxy_client->poll();
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if (err == ERR_UNCONFIGURED) {
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proxy_client->set_connection(tcp_connection);
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const Vector<String> headers;
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err = proxy_client->request(METHOD_CONNECT, vformat("%s:%d", conn_host, conn_port), headers, nullptr, 0);
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if (err != OK) {
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status = STATUS_CANT_CONNECT;
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return err;
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}
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} else if (err != OK) {
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status = STATUS_CANT_CONNECT;
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return err;
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}
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switch (proxy_client->get_status()) {
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case STATUS_REQUESTING: {
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return OK;
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} break;
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case STATUS_BODY: {
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proxy_client->read_response_body_chunk();
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return OK;
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} break;
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case STATUS_CONNECTED: {
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if (proxy_client->get_response_code() != RESPONSE_OK) {
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status = STATUS_CANT_CONNECT;
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return ERR_CANT_CONNECT;
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}
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proxy_client.unref();
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return OK;
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}
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case STATUS_DISCONNECTED:
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case STATUS_RESOLVING:
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case STATUS_CONNECTING: {
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status = STATUS_CANT_CONNECT;
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ERR_FAIL_V(ERR_BUG);
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} break;
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default: {
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status = STATUS_CANT_CONNECT;
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return ERR_CANT_CONNECT;
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} break;
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}
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} else if (tls_options.is_valid()) {
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Ref<StreamPeerTLS> tls_conn;
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if (!handshaking) {
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// Connect the StreamPeerTLS and start handshaking.
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tls_conn = Ref<StreamPeerTLS>(StreamPeerTLS::create());
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Error err = tls_conn->connect_to_stream(tcp_connection, conn_host, tls_options);
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if (err != OK) {
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close();
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status = STATUS_TLS_HANDSHAKE_ERROR;
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return ERR_CANT_CONNECT;
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}
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connection = tls_conn;
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handshaking = true;
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} else {
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// We are already handshaking, which means we can use your already active TLS connection.
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tls_conn = static_cast<Ref<StreamPeerTLS>>(connection);
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if (tls_conn.is_null()) {
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close();
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status = STATUS_TLS_HANDSHAKE_ERROR;
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return ERR_CANT_CONNECT;
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}
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tls_conn->poll(); // Try to finish the handshake.
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}
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if (tls_conn->get_status() == StreamPeerTLS::STATUS_CONNECTED) {
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// Handshake has been successful.
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handshaking = false;
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ip_candidates.clear();
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status = STATUS_CONNECTED;
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return OK;
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} else if (tls_conn->get_status() != StreamPeerTLS::STATUS_HANDSHAKING) {
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// Handshake has failed.
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close();
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status = STATUS_TLS_HANDSHAKE_ERROR;
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return ERR_CANT_CONNECT;
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}
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// ... we will need to poll more for handshake to finish.
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} else {
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ip_candidates.clear();
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status = STATUS_CONNECTED;
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}
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return OK;
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} break;
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case StreamPeerTCP::STATUS_ERROR:
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case StreamPeerTCP::STATUS_NONE: {
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Error err = ERR_CANT_CONNECT;
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while (ip_candidates.size() > 0) {
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tcp_connection->disconnect_from_host();
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err = tcp_connection->connect_to_host(ip_candidates.pop_front(), server_port);
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if (err == OK) {
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return OK;
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}
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}
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close();
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status = STATUS_CANT_CONNECT;
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return err;
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} break;
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}
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} break;
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case STATUS_BODY:
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case STATUS_CONNECTED: {
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// Check if we are still connected.
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if (tls_options.is_valid()) {
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Ref<StreamPeerTLS> tmp = connection;
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tmp->poll();
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if (tmp->get_status() != StreamPeerTLS::STATUS_CONNECTED) {
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status = STATUS_CONNECTION_ERROR;
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return ERR_CONNECTION_ERROR;
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}
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} else if (tcp_connection->get_status() != StreamPeerTCP::STATUS_CONNECTED) {
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status = STATUS_CONNECTION_ERROR;
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return ERR_CONNECTION_ERROR;
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}
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// Connection established, requests can now be made.
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return OK;
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} break;
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case STATUS_REQUESTING: {
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if (request_buffer->get_available_bytes()) {
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int avail = request_buffer->get_available_bytes();
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int pos = request_buffer->get_position();
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const Vector<uint8_t> data = request_buffer->get_data_array();
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int wrote = 0;
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Error err;
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if (blocking) {
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err = connection->put_data(data.ptr() + pos, avail);
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wrote += avail;
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} else {
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err = connection->put_partial_data(data.ptr() + pos, avail, wrote);
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}
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if (err != OK) {
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close();
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status = STATUS_CONNECTION_ERROR;
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return ERR_CONNECTION_ERROR;
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}
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pos += wrote;
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request_buffer->seek(pos);
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if (avail - wrote > 0) {
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return OK;
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}
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request_buffer->clear();
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}
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while (true) {
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uint8_t byte;
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int rec = 0;
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Error err = _get_http_data(&byte, 1, rec);
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if (err != OK) {
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close();
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status = STATUS_CONNECTION_ERROR;
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return ERR_CONNECTION_ERROR;
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}
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if (rec == 0) {
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return OK; // Still requesting, keep trying!
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}
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response_str.push_back(byte);
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int rs = response_str.size();
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if (
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(rs >= 2 && response_str[rs - 2] == '\n' && response_str[rs - 1] == '\n') ||
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(rs >= 4 && response_str[rs - 4] == '\r' && response_str[rs - 3] == '\n' && response_str[rs - 2] == '\r' && response_str[rs - 1] == '\n')) {
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// End of response, parse.
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response_str.push_back(0);
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String response;
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response.parse_utf8((const char *)response_str.ptr());
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Vector<String> responses = response.split("\n");
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body_size = -1;
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chunked = false;
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body_left = 0;
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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_TLS_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;
|
|
}
|
|
|
|
int64_t 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 (is_digit(c)) {
|
|
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) {
|
|
ret.resize(_offset);
|
|
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;
|
|
}
|
|
|
|
void HTTPClientTCP::set_http_proxy(const String &p_host, int p_port) {
|
|
if (p_host.is_empty() || p_port == -1) {
|
|
http_proxy_host = "";
|
|
http_proxy_port = -1;
|
|
} else {
|
|
http_proxy_host = p_host;
|
|
http_proxy_port = p_port;
|
|
}
|
|
}
|
|
|
|
void HTTPClientTCP::set_https_proxy(const String &p_host, int p_port) {
|
|
if (p_host.is_empty() || p_port == -1) {
|
|
https_proxy_host = "";
|
|
https_proxy_port = -1;
|
|
} else {
|
|
https_proxy_host = p_host;
|
|
https_proxy_port = p_port;
|
|
}
|
|
}
|
|
|
|
HTTPClientTCP::HTTPClientTCP() {
|
|
tcp_connection.instantiate();
|
|
request_buffer.instantiate();
|
|
}
|
|
|
|
HTTPClient *(*HTTPClient::_create)() = HTTPClientTCP::_create_func;
|
|
|
|
#endif // WEB_ENABLED
|