310 lines
9.3 KiB
C++
310 lines
9.3 KiB
C++
/*************************************************************************/
|
|
/* http_client_javascript.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2018 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. */
|
|
/*************************************************************************/
|
|
|
|
#include "core/io/http_client.h"
|
|
#include "http_request.h"
|
|
|
|
Error HTTPClient::connect_to_host(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) {
|
|
|
|
close();
|
|
if (p_ssl && !p_verify_host) {
|
|
WARN_PRINT("Disabling HTTPClient's host verification is not supported for the HTML5 platform, host will be verified");
|
|
}
|
|
|
|
port = p_port;
|
|
use_tls = p_ssl;
|
|
|
|
host = p_host;
|
|
|
|
String host_lower = host.to_lower();
|
|
if (host_lower.begins_with("http://")) {
|
|
host = host.substr(7, host.length() - 7);
|
|
} else if (host_lower.begins_with("https://")) {
|
|
use_tls = true;
|
|
host = host.substr(8, host.length() - 8);
|
|
}
|
|
|
|
ERR_FAIL_COND_V(host.length() < HOST_MIN_LEN, ERR_INVALID_PARAMETER);
|
|
|
|
if (port < 0) {
|
|
if (use_tls) {
|
|
port = PORT_HTTPS;
|
|
} else {
|
|
port = PORT_HTTP;
|
|
}
|
|
}
|
|
|
|
status = host.is_valid_ip_address() ? STATUS_CONNECTING : STATUS_RESOLVING;
|
|
|
|
return OK;
|
|
}
|
|
|
|
void HTTPClient::set_connection(const Ref<StreamPeer> &p_connection) {
|
|
|
|
ERR_EXPLAIN("Accessing an HTTPClient's StreamPeer is not supported for the HTML5 platform");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
Ref<StreamPeer> HTTPClient::get_connection() const {
|
|
|
|
ERR_EXPLAIN("Accessing an HTTPClient's StreamPeer is not supported for the HTML5 platform");
|
|
ERR_FAIL_V(REF());
|
|
}
|
|
|
|
Error HTTPClient::prepare_request(Method p_method, const String &p_url, const Vector<String> &p_headers) {
|
|
|
|
ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
|
|
ERR_EXPLAIN("HTTP methods TRACE and CONNECT are not supported for the HTML5 platform");
|
|
ERR_FAIL_COND_V(p_method == METHOD_TRACE || p_method == METHOD_CONNECT, ERR_UNAVAILABLE);
|
|
ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
|
|
ERR_FAIL_COND_V(host.empty(), ERR_UNCONFIGURED);
|
|
ERR_FAIL_COND_V(port < 0, ERR_UNCONFIGURED);
|
|
ERR_FAIL_COND_V(!p_url.begins_with("/"), ERR_INVALID_PARAMETER);
|
|
|
|
String url = (use_tls ? "https://" : "http://") + host + ":" + itos(port) + p_url;
|
|
godot_xhr_reset(xhr_id);
|
|
godot_xhr_open(xhr_id, _methods[p_method], url.utf8().get_data(),
|
|
username.empty() ? NULL : username.utf8().get_data(),
|
|
password.empty() ? NULL : password.utf8().get_data());
|
|
|
|
for (int i = 0; i < p_headers.size(); i++) {
|
|
int header_separator = p_headers[i].find(": ");
|
|
ERR_FAIL_COND_V(header_separator < 0, ERR_INVALID_PARAMETER);
|
|
godot_xhr_set_request_header(xhr_id,
|
|
p_headers[i].left(header_separator).utf8().get_data(),
|
|
p_headers[i].right(header_separator + 2).utf8().get_data());
|
|
}
|
|
response_read_offset = 0;
|
|
status = STATUS_REQUESTING;
|
|
return OK;
|
|
}
|
|
|
|
Error HTTPClient::request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const PoolVector<uint8_t> &p_body) {
|
|
|
|
Error err = prepare_request(p_method, p_url, p_headers);
|
|
if (err != OK)
|
|
return err;
|
|
PoolByteArray::Read read = p_body.read();
|
|
godot_xhr_send_data(xhr_id, read.ptr(), p_body.size());
|
|
return OK;
|
|
}
|
|
|
|
Error HTTPClient::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body) {
|
|
|
|
Error err = prepare_request(p_method, p_url, p_headers);
|
|
if (err != OK)
|
|
return err;
|
|
godot_xhr_send_string(xhr_id, p_body.utf8().get_data());
|
|
return OK;
|
|
}
|
|
|
|
void HTTPClient::close() {
|
|
|
|
host = "";
|
|
port = -1;
|
|
use_tls = false;
|
|
status = STATUS_DISCONNECTED;
|
|
polled_response.resize(0);
|
|
polled_response_code = 0;
|
|
polled_response_header = String();
|
|
godot_xhr_reset(xhr_id);
|
|
}
|
|
|
|
HTTPClient::Status HTTPClient::get_status() const {
|
|
|
|
return status;
|
|
}
|
|
|
|
bool HTTPClient::has_response() const {
|
|
|
|
return !polled_response_header.empty();
|
|
}
|
|
|
|
bool HTTPClient::is_response_chunked() const {
|
|
|
|
// TODO evaluate using moz-chunked-arraybuffer, fetch & ReadableStream
|
|
return false;
|
|
}
|
|
|
|
int HTTPClient::get_response_code() const {
|
|
|
|
return polled_response_code;
|
|
}
|
|
|
|
Error HTTPClient::get_response_headers(List<String> *r_response) {
|
|
|
|
if (polled_response_header.empty())
|
|
return ERR_INVALID_PARAMETER;
|
|
|
|
Vector<String> header_lines = polled_response_header.split("\r\n", false);
|
|
for (int i = 0; i < header_lines.size(); ++i) {
|
|
r_response->push_back(header_lines[i]);
|
|
}
|
|
polled_response_header = String();
|
|
return OK;
|
|
}
|
|
|
|
int HTTPClient::get_response_body_length() const {
|
|
|
|
return polled_response.size();
|
|
}
|
|
|
|
PoolByteArray HTTPClient::read_response_body_chunk() {
|
|
|
|
ERR_FAIL_COND_V(status != STATUS_BODY, PoolByteArray());
|
|
|
|
int to_read = MIN(read_limit, polled_response.size() - response_read_offset);
|
|
PoolByteArray chunk;
|
|
chunk.resize(to_read);
|
|
PoolByteArray::Write write = chunk.write();
|
|
PoolByteArray::Read read = polled_response.read();
|
|
memcpy(write.ptr(), read.ptr() + response_read_offset, to_read);
|
|
write = PoolByteArray::Write();
|
|
read = PoolByteArray::Read();
|
|
response_read_offset += to_read;
|
|
|
|
if (response_read_offset == polled_response.size()) {
|
|
status = STATUS_CONNECTED;
|
|
polled_response.resize(0);
|
|
godot_xhr_reset(xhr_id);
|
|
}
|
|
|
|
return chunk;
|
|
}
|
|
|
|
void HTTPClient::set_blocking_mode(bool p_enable) {
|
|
|
|
ERR_EXPLAIN("HTTPClient blocking mode is not supported for the HTML5 platform");
|
|
ERR_FAIL_COND(p_enable);
|
|
}
|
|
|
|
bool HTTPClient::is_blocking_mode_enabled() const {
|
|
|
|
return false;
|
|
}
|
|
|
|
void HTTPClient::set_read_chunk_size(int p_size) {
|
|
|
|
read_limit = p_size;
|
|
}
|
|
|
|
Error HTTPClient::poll() {
|
|
|
|
switch (status) {
|
|
|
|
case STATUS_DISCONNECTED:
|
|
return ERR_UNCONFIGURED;
|
|
|
|
case STATUS_RESOLVING:
|
|
status = STATUS_CONNECTING;
|
|
return OK;
|
|
|
|
case STATUS_CONNECTING:
|
|
status = STATUS_CONNECTED;
|
|
return OK;
|
|
|
|
case STATUS_CONNECTED:
|
|
case STATUS_BODY:
|
|
return OK;
|
|
|
|
case STATUS_CONNECTION_ERROR:
|
|
return ERR_CONNECTION_ERROR;
|
|
|
|
case STATUS_REQUESTING: {
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
if (!has_polled) {
|
|
has_polled = true;
|
|
} else {
|
|
// forcing synchronous requests is not possible on the web
|
|
if (last_polling_frame == Engine::get_singleton()->get_idle_frames()) {
|
|
WARN_PRINT("HTTPClient polled multiple times in one frame, "
|
|
"but request cannot progress more than once per "
|
|
"frame on the HTML5 platform.");
|
|
}
|
|
}
|
|
last_polling_frame = Engine::get_singleton()->get_idle_frames();
|
|
#endif
|
|
|
|
polled_response_code = godot_xhr_get_status(xhr_id);
|
|
if (godot_xhr_get_ready_state(xhr_id) != XHR_READY_STATE_DONE) {
|
|
return OK;
|
|
} else if (!polled_response_code) {
|
|
status = STATUS_CONNECTION_ERROR;
|
|
return ERR_CONNECTION_ERROR;
|
|
}
|
|
|
|
status = STATUS_BODY;
|
|
|
|
PoolByteArray bytes;
|
|
int len = godot_xhr_get_response_headers_length(xhr_id);
|
|
bytes.resize(len + 1);
|
|
|
|
PoolByteArray::Write write = bytes.write();
|
|
godot_xhr_get_response_headers(xhr_id, reinterpret_cast<char *>(write.ptr()), len);
|
|
write[len] = 0;
|
|
write = PoolByteArray::Write();
|
|
|
|
PoolByteArray::Read read = bytes.read();
|
|
polled_response_header = String::utf8(reinterpret_cast<const char *>(read.ptr()));
|
|
read = PoolByteArray::Read();
|
|
|
|
polled_response.resize(godot_xhr_get_response_length(xhr_id));
|
|
write = polled_response.write();
|
|
godot_xhr_get_response(xhr_id, write.ptr(), polled_response.size());
|
|
write = PoolByteArray::Write();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ERR_FAIL_V(ERR_BUG);
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
HTTPClient::HTTPClient() {
|
|
|
|
xhr_id = godot_xhr_new();
|
|
read_limit = 4096;
|
|
status = STATUS_DISCONNECTED;
|
|
port = -1;
|
|
use_tls = false;
|
|
polled_response_code = 0;
|
|
#ifdef DEBUG_ENABLED
|
|
has_polled = false;
|
|
last_polling_frame = 0;
|
|
#endif
|
|
}
|
|
|
|
HTTPClient::~HTTPClient() {
|
|
|
|
godot_xhr_free(xhr_id);
|
|
}
|