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godot/core/io/http_client.cpp
Rémi Verschelde a7f49ac9a1 Update copyright statements to 2020 
Happy new year to the wonderful Godot community!

We're starting a new decade with a well-established, non-profit, free
and open source game engine, and tons of further improvements in the
pipeline from hundreds of contributors.

Godot will keep getting better, and we're looking forward to all the
games that the community will keep developing and releasing with it.
2020-01-01 11:16:22 +01:00

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/*************************************************************************/
/* http_client.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "http_client.h"
#include "core/io/stream_peer_ssl.h"
#include "core/version.h"
const char *HTTPClient::_methods[METHOD_MAX] = {
"GET",
"HEAD",
"POST",
"PUT",
"DELETE",
"OPTIONS",
"TRACE",
"CONNECT",
"PATCH"
};
#ifndef JAVASCRIPT_ENABLED
Error HTTPClient::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(IP_Address(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 HTTPClient::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.");
close();
connection = p_connection;
status = STATUS_CONNECTED;
}
Ref<StreamPeer> HTTPClient::get_connection() const {
return connection;
}
Error HTTPClient::request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const PoolVector<uint8_t> &p_body) {
ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(!p_url.begins_with("/"), 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";
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";
}
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_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_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();
PoolVector<uint8_t> data;
data.resize(cs.length());
{
PoolVector<uint8_t>::Write data_write = data.write();
for (int i = 0; i < cs.length(); i++) {
data_write[i] = cs[i];
}
}
data.append_array(p_body);
PoolVector<uint8_t>::Read r = data.read();
Error err = connection->put_data(&r[0], data.size());
if (err) {
close();
status = STATUS_CONNECTION_ERROR;
return err;
}
status = STATUS_REQUESTING;
head_request = p_method == METHOD_HEAD;
return OK;
}
Error HTTPClient::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body) {
ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(!p_url.begins_with("/"), 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";
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";
}
bool add_uagent = true;
bool add_accept = true;
bool add_clen = p_body.length() > 0;
for (int i = 0; i < p_headers.size(); i++) {
request += p_headers[i] + "\r\n";
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_clen) {
request += "Content-Length: " + itos(p_body.utf8().length()) + "\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";
request += p_body;
CharString cs = request.utf8();
Error err = connection->put_data((const uint8_t *)cs.ptr(), cs.length());
if (err) {
close();
status = STATUS_CONNECTION_ERROR;
return err;
}
status = STATUS_REQUESTING;
head_request = p_method == METHOD_HEAD;
return OK;
}
bool HTTPClient::has_response() const {
return response_headers.size() != 0;
}
bool HTTPClient::is_response_chunked() const {
return chunked;
}
int HTTPClient::get_response_code() const {
return response_num;
}
Error HTTPClient::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 HTTPClient::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 = 0;
read_until_eof = false;
response_num = 0;
handshaking = false;
}
Error HTTPClient::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: {
IP_Address 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 wont 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 HTTPClient::get_response_body_length() const {
return body_size;
}
PoolByteArray HTTPClient::read_response_body_chunk() {
ERR_FAIL_COND_V(status != STATUS_BODY, PoolByteArray());
PoolByteArray 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);
PoolByteArray::Write w = ret.write();
copymem(w.ptr(), 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;
{
PoolByteArray::Write w = ret.write();
err = _get_http_data(w.ptr() + _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;
}
HTTPClient::Status HTTPClient::get_status() const {
return status;
}
void HTTPClient::set_blocking_mode(bool p_enable) {
blocking = p_enable;
}
bool HTTPClient::is_blocking_mode_enabled() const {
return blocking;
}
Error HTTPClient::_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 HTTPClient::set_read_chunk_size(int p_size) {
ERR_FAIL_COND(p_size < 256 || p_size > (1 << 24));
read_chunk_size = p_size;
}
int HTTPClient::get_read_chunk_size() const {
return read_chunk_size;
}
HTTPClient::HTTPClient() {
tcp_connection.instance();
resolving = IP::RESOLVER_INVALID_ID;
status = STATUS_DISCONNECTED;
head_request = false;
conn_port = -1;
body_size = -1;
chunked = false;
body_left = 0;
read_until_eof = false;
chunk_left = 0;
chunk_trailer_part = false;
response_num = 0;
ssl = false;
blocking = false;
handshaking = false;
read_chunk_size = 4096;
}
HTTPClient::~HTTPClient() {
}
#endif // #ifndef JAVASCRIPT_ENABLED
String HTTPClient::query_string_from_dict(const Dictionary &p_dict) {
String query = "";
Array keys = p_dict.keys();
for (int i = 0; i < keys.size(); ++i) {
String encoded_key = String(keys[i]).http_escape();
Variant value = p_dict[keys[i]];
switch (value.get_type()) {
case Variant::ARRAY: {
// Repeat the key with every values
Array values = value;
for (int j = 0; j < values.size(); ++j) {
query += "&" + encoded_key + "=" + String(values[j]).http_escape();
}
break;
}
case Variant::NIL: {
// Add the key with no value
query += "&" + encoded_key;
break;
}
default: {
// Add the key-value pair
query += "&" + encoded_key + "=" + String(value).http_escape();
}
}
}
query.erase(0, 1);
return query;
}
Dictionary HTTPClient::_get_response_headers_as_dictionary() {
List<String> rh;
get_response_headers(&rh);
Dictionary ret;
for (const List<String>::Element *E = rh.front(); E; E = E->next()) {
const String &s = E->get();
int sp = s.find(":");
if (sp == -1)
continue;
String key = s.substr(0, sp).strip_edges();
String value = s.substr(sp + 1, s.length()).strip_edges();
ret[key] = value;
}
return ret;
}
PoolStringArray HTTPClient::_get_response_headers() {
List<String> rh;
get_response_headers(&rh);
PoolStringArray ret;
ret.resize(rh.size());
int idx = 0;
for (const List<String>::Element *E = rh.front(); E; E = E->next()) {
ret.set(idx++, E->get());
}
return ret;
}
void HTTPClient::_bind_methods() {
ClassDB::bind_method(D_METHOD("connect_to_host", "host", "port", "use_ssl", "verify_host"), &HTTPClient::connect_to_host, DEFVAL(-1), DEFVAL(false), DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_connection", "connection"), &HTTPClient::set_connection);
ClassDB::bind_method(D_METHOD("get_connection"), &HTTPClient::get_connection);
ClassDB::bind_method(D_METHOD("request_raw", "method", "url", "headers", "body"), &HTTPClient::request_raw);
ClassDB::bind_method(D_METHOD("request", "method", "url", "headers", "body"), &HTTPClient::request, DEFVAL(String()));
ClassDB::bind_method(D_METHOD("close"), &HTTPClient::close);
ClassDB::bind_method(D_METHOD("has_response"), &HTTPClient::has_response);
ClassDB::bind_method(D_METHOD("is_response_chunked"), &HTTPClient::is_response_chunked);
ClassDB::bind_method(D_METHOD("get_response_code"), &HTTPClient::get_response_code);
ClassDB::bind_method(D_METHOD("get_response_headers"), &HTTPClient::_get_response_headers);
ClassDB::bind_method(D_METHOD("get_response_headers_as_dictionary"), &HTTPClient::_get_response_headers_as_dictionary);
ClassDB::bind_method(D_METHOD("get_response_body_length"), &HTTPClient::get_response_body_length);
ClassDB::bind_method(D_METHOD("read_response_body_chunk"), &HTTPClient::read_response_body_chunk);
ClassDB::bind_method(D_METHOD("set_read_chunk_size", "bytes"), &HTTPClient::set_read_chunk_size);
ClassDB::bind_method(D_METHOD("get_read_chunk_size"), &HTTPClient::get_read_chunk_size);
ClassDB::bind_method(D_METHOD("set_blocking_mode", "enabled"), &HTTPClient::set_blocking_mode);
ClassDB::bind_method(D_METHOD("is_blocking_mode_enabled"), &HTTPClient::is_blocking_mode_enabled);
ClassDB::bind_method(D_METHOD("get_status"), &HTTPClient::get_status);
ClassDB::bind_method(D_METHOD("poll"), &HTTPClient::poll);
ClassDB::bind_method(D_METHOD("query_string_from_dict", "fields"), &HTTPClient::query_string_from_dict);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "blocking_mode_enabled"), "set_blocking_mode", "is_blocking_mode_enabled");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "connection", PROPERTY_HINT_RESOURCE_TYPE, "StreamPeer", 0), "set_connection", "get_connection");
ADD_PROPERTY(PropertyInfo(Variant::INT, "read_chunk_size", PROPERTY_HINT_RANGE, "256,16777216"), "set_read_chunk_size", "get_read_chunk_size");
BIND_ENUM_CONSTANT(METHOD_GET);
BIND_ENUM_CONSTANT(METHOD_HEAD);
BIND_ENUM_CONSTANT(METHOD_POST);
BIND_ENUM_CONSTANT(METHOD_PUT);
BIND_ENUM_CONSTANT(METHOD_DELETE);
BIND_ENUM_CONSTANT(METHOD_OPTIONS);
BIND_ENUM_CONSTANT(METHOD_TRACE);
BIND_ENUM_CONSTANT(METHOD_CONNECT);
BIND_ENUM_CONSTANT(METHOD_PATCH);
BIND_ENUM_CONSTANT(METHOD_MAX);
BIND_ENUM_CONSTANT(STATUS_DISCONNECTED);
BIND_ENUM_CONSTANT(STATUS_RESOLVING); // Resolving hostname (if hostname was passed in)
BIND_ENUM_CONSTANT(STATUS_CANT_RESOLVE);
BIND_ENUM_CONSTANT(STATUS_CONNECTING); // Connecting to IP
BIND_ENUM_CONSTANT(STATUS_CANT_CONNECT);
BIND_ENUM_CONSTANT(STATUS_CONNECTED); // Connected, now accepting requests
BIND_ENUM_CONSTANT(STATUS_REQUESTING); // Request in progress
BIND_ENUM_CONSTANT(STATUS_BODY); // Request resulted in body which must be read
BIND_ENUM_CONSTANT(STATUS_CONNECTION_ERROR);
BIND_ENUM_CONSTANT(STATUS_SSL_HANDSHAKE_ERROR);
BIND_ENUM_CONSTANT(RESPONSE_CONTINUE);
BIND_ENUM_CONSTANT(RESPONSE_SWITCHING_PROTOCOLS);
BIND_ENUM_CONSTANT(RESPONSE_PROCESSING);
// 2xx successful
BIND_ENUM_CONSTANT(RESPONSE_OK);
BIND_ENUM_CONSTANT(RESPONSE_CREATED);
BIND_ENUM_CONSTANT(RESPONSE_ACCEPTED);
BIND_ENUM_CONSTANT(RESPONSE_NON_AUTHORITATIVE_INFORMATION);
BIND_ENUM_CONSTANT(RESPONSE_NO_CONTENT);
BIND_ENUM_CONSTANT(RESPONSE_RESET_CONTENT);
BIND_ENUM_CONSTANT(RESPONSE_PARTIAL_CONTENT);
BIND_ENUM_CONSTANT(RESPONSE_MULTI_STATUS);
BIND_ENUM_CONSTANT(RESPONSE_ALREADY_REPORTED);
BIND_ENUM_CONSTANT(RESPONSE_IM_USED);
// 3xx redirection
BIND_ENUM_CONSTANT(RESPONSE_MULTIPLE_CHOICES);
BIND_ENUM_CONSTANT(RESPONSE_MOVED_PERMANENTLY);
BIND_ENUM_CONSTANT(RESPONSE_FOUND);
BIND_ENUM_CONSTANT(RESPONSE_SEE_OTHER);
BIND_ENUM_CONSTANT(RESPONSE_NOT_MODIFIED);
BIND_ENUM_CONSTANT(RESPONSE_USE_PROXY);
BIND_ENUM_CONSTANT(RESPONSE_SWITCH_PROXY);
BIND_ENUM_CONSTANT(RESPONSE_TEMPORARY_REDIRECT);
BIND_ENUM_CONSTANT(RESPONSE_PERMANENT_REDIRECT);
// 4xx client error
BIND_ENUM_CONSTANT(RESPONSE_BAD_REQUEST);
BIND_ENUM_CONSTANT(RESPONSE_UNAUTHORIZED);
BIND_ENUM_CONSTANT(RESPONSE_PAYMENT_REQUIRED);
BIND_ENUM_CONSTANT(RESPONSE_FORBIDDEN);
BIND_ENUM_CONSTANT(RESPONSE_NOT_FOUND);
BIND_ENUM_CONSTANT(RESPONSE_METHOD_NOT_ALLOWED);
BIND_ENUM_CONSTANT(RESPONSE_NOT_ACCEPTABLE);
BIND_ENUM_CONSTANT(RESPONSE_PROXY_AUTHENTICATION_REQUIRED);
BIND_ENUM_CONSTANT(RESPONSE_REQUEST_TIMEOUT);
BIND_ENUM_CONSTANT(RESPONSE_CONFLICT);
BIND_ENUM_CONSTANT(RESPONSE_GONE);
BIND_ENUM_CONSTANT(RESPONSE_LENGTH_REQUIRED);
BIND_ENUM_CONSTANT(RESPONSE_PRECONDITION_FAILED);
BIND_ENUM_CONSTANT(RESPONSE_REQUEST_ENTITY_TOO_LARGE);
BIND_ENUM_CONSTANT(RESPONSE_REQUEST_URI_TOO_LONG);
BIND_ENUM_CONSTANT(RESPONSE_UNSUPPORTED_MEDIA_TYPE);
BIND_ENUM_CONSTANT(RESPONSE_REQUESTED_RANGE_NOT_SATISFIABLE);
BIND_ENUM_CONSTANT(RESPONSE_EXPECTATION_FAILED);
BIND_ENUM_CONSTANT(RESPONSE_IM_A_TEAPOT);
BIND_ENUM_CONSTANT(RESPONSE_MISDIRECTED_REQUEST);
BIND_ENUM_CONSTANT(RESPONSE_UNPROCESSABLE_ENTITY);
BIND_ENUM_CONSTANT(RESPONSE_LOCKED);
BIND_ENUM_CONSTANT(RESPONSE_FAILED_DEPENDENCY);
BIND_ENUM_CONSTANT(RESPONSE_UPGRADE_REQUIRED);
BIND_ENUM_CONSTANT(RESPONSE_PRECONDITION_REQUIRED);
BIND_ENUM_CONSTANT(RESPONSE_TOO_MANY_REQUESTS);
BIND_ENUM_CONSTANT(RESPONSE_REQUEST_HEADER_FIELDS_TOO_LARGE);
BIND_ENUM_CONSTANT(RESPONSE_UNAVAILABLE_FOR_LEGAL_REASONS);
// 5xx server error
BIND_ENUM_CONSTANT(RESPONSE_INTERNAL_SERVER_ERROR);
BIND_ENUM_CONSTANT(RESPONSE_NOT_IMPLEMENTED);
BIND_ENUM_CONSTANT(RESPONSE_BAD_GATEWAY);
BIND_ENUM_CONSTANT(RESPONSE_SERVICE_UNAVAILABLE);
BIND_ENUM_CONSTANT(RESPONSE_GATEWAY_TIMEOUT);
BIND_ENUM_CONSTANT(RESPONSE_HTTP_VERSION_NOT_SUPPORTED);
BIND_ENUM_CONSTANT(RESPONSE_VARIANT_ALSO_NEGOTIATES);
BIND_ENUM_CONSTANT(RESPONSE_INSUFFICIENT_STORAGE);
BIND_ENUM_CONSTANT(RESPONSE_LOOP_DETECTED);
BIND_ENUM_CONSTANT(RESPONSE_NOT_EXTENDED);
BIND_ENUM_CONSTANT(RESPONSE_NETWORK_AUTH_REQUIRED);
}
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