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Implement HTTPClient in HTML5 platform

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Limitations:

 - Subject to same-origin policy
 - No persistent connection (but simulated for compatibility)
 - No blocking mode
 - No StreamPeer access
 - No chunked responses
 - Cannot disable host verification
This commit is contained in:
Leon Krause 2017-10-26 03:39:41 +02:00
parent faf21d895e
commit 2970061a73
7 changed files with 633 additions and 70 deletions
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135
core/io/http_client.cpp
View File

@ -30,6 +30,7 @@
#include "http_client.h"
#include "io/stream_peer_ssl.h"
#ifndef JAVASCRIPT_ENABLED
Error HTTPClient::connect_to_host(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) {
close();
@ -405,38 +406,6 @@ Error HTTPClient::poll() {
return OK;
}
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()) {
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;
}
int HTTPClient::get_response_body_length() const {
return body_size;
@ -612,6 +581,74 @@ Error HTTPClient::_get_http_data(uint8_t *p_buffer, int p_bytes, int &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;
}
HTTPClient::HTTPClient() {
tcp_connection = StreamPeerTCP::create_ref();
resolving = IP::RESOLVER_INVALID_ID;
status = STATUS_DISCONNECTED;
conn_port = 80;
body_size = 0;
chunked = false;
body_left = 0;
chunk_left = 0;
response_num = 0;
ssl = false;
blocking = 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) {
query += "&" + String(keys[i]).http_escape() + "=" + String(p_dict[keys[i]]).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()) {
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(false), DEFVAL(true));
@ -717,37 +754,3 @@ void HTTPClient::_bind_methods() {
BIND_ENUM_CONSTANT(RESPONSE_INSUFFICIENT_STORAGE);
BIND_ENUM_CONSTANT(RESPONSE_NOT_EXTENDED);
}
void HTTPClient::set_read_chunk_size(int p_size) {
ERR_FAIL_COND(p_size < 256 || p_size > (1 << 24));
read_chunk_size = p_size;
}
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) {
query += "&" + String(keys[i]).http_escape() + "=" + String(p_dict[keys[i]]).http_escape();
}
query.erase(0, 1);
return query;
}
HTTPClient::HTTPClient() {
tcp_connection = StreamPeerTCP::create_ref();
resolving = IP::RESOLVER_INVALID_ID;
status = STATUS_DISCONNECTED;
conn_port = 80;
body_size = 0;
chunked = false;
body_left = 0;
chunk_left = 0;
response_num = 0;
ssl = false;
blocking = false;
read_chunk_size = 4096;
}
HTTPClient::~HTTPClient() {
}

14
core/io/http_client.h
View File

@ -131,6 +131,7 @@ public:
};
private:
#ifndef JAVASCRIPT_ENABLED
Status status;
IP::ResolverID resolving;
int conn_port;
@ -152,14 +153,19 @@ private:
int response_num;
Vector<String> response_headers;
static void _bind_methods();
PoolStringArray _get_response_headers();
Dictionary _get_response_headers_as_dictionary();
int read_chunk_size;
Error _get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received);
#else
#include "platform/javascript/http_client.h.inc"
#endif
PoolStringArray _get_response_headers();
Dictionary _get_response_headers_as_dictionary();
static void _bind_methods();
public:
//Error connect_and_get(const String& p_url,bool p_verify_host=true); //connects to a full url and perform request
Error connect_to_host(const String &p_host, int p_port, bool p_ssl = false, bool p_verify_host = true);

7
platform/javascript/SCsub
View File

@ -7,6 +7,7 @@ javascript_files = [
"audio_driver_javascript.cpp",
"javascript_main.cpp",
"power_javascript.cpp",
"http_client_javascript.cpp",
"javascript_eval.cpp",
]
@ -42,6 +43,12 @@ else:
js = env.Program(['#bin/godot'] + implicit_targets, javascript_objects, PROGSUFFIX=env['PROGSUFFIX'] + '.js')[0];
zip_files.append(InstallAs(zip_dir.File('godot.js'), js))
js_libraries = []
js_libraries.append(env.File('http_request.js'))
for lib in js_libraries:
env.Append(LINKFLAGS=['--js-library', lib.path])
env.Depends(js, js_libraries)
postjs = env.File('engine.js')
env.Depends(js, [prejs, postjs])
env.Append(LINKFLAGS=['--pre-js', prejs.path])

48
platform/javascript/http_client.h.inc Normal file
View File

@ -0,0 +1,48 @@
/*************************************************************************/
/* http_client.h.inc */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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. */
/*************************************************************************/
// HTTPClient's additional private members in the javascript platform
Error prepare_request(Method p_method, const String &p_url, const Vector<String> &p_headers);
int xhr_id;
int read_limit;
int response_read_offset;
Status status;
String host;
int port;
bool use_tls;
String username;
String password;
int polled_response_code;
String polled_response_header;
PoolByteArray polled_response;

282
platform/javascript/http_client_javascript.cpp Normal file
View File

@ -0,0 +1,282 @@
/*************************************************************************/
/* http_client_javascript.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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_request.h"
#include "io/http_client.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");
}
host = p_host;
if (host.begins_with("http://")) {
host.replace_first("http://", "");
} else if (host.begins_with("https://")) {
host.replace_first("https://", "");
}
status = host.is_valid_ip_address() ? STATUS_CONNECTING : STATUS_RESOLVING;
port = p_port;
use_tls = p_ssl;
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_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);
static const char *_methods[HTTPClient::METHOD_MAX] = {
"GET",
"HEAD",
"POST",
"PUT",
"DELETE",
"OPTIONS",
"TRACE",
"CONNECT"
};
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.size())
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);
polled_response_code = 0;
polled_response_header = String();
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:
polled_response_code = godot_xhr_get_status(xhr_id);
int response_length = godot_xhr_get_response_length(xhr_id);
if (response_length == 0) {
godot_xhr_ready_state_t ready_state = godot_xhr_get_ready_state(xhr_id);
if (ready_state == XHR_READY_STATE_HEADERS_RECEIVED || ready_state == XHR_READY_STATE_LOADING) {
return OK;
} else {
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);
PoolByteArray::Write write = bytes.write();
godot_xhr_get_response_headers(xhr_id, reinterpret_cast<char *>(write.ptr()), len);
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(response_length);
write = polled_response.write();
godot_xhr_get_response(xhr_id, write.ptr(), response_length);
write = PoolByteArray::Write();
break;
}
return OK;
}
HTTPClient::HTTPClient() {
xhr_id = godot_xhr_new();
read_limit = 4096;
status = STATUS_DISCONNECTED;
port = -1;
use_tls = false;
polled_response_code = 0;
}
HTTPClient::~HTTPClient() {
godot_xhr_free(xhr_id);
}

72
platform/javascript/http_request.h Normal file
View File

@ -0,0 +1,72 @@
/*************************************************************************/
/* http_request.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 HTTP_REQUEST_H
#define HTTP_REQUEST_H
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
XHR_READY_STATE_UNSENT = 0,
XHR_READY_STATE_OPENED = 1,
XHR_READY_STATE_HEADERS_RECEIVED = 2,
XHR_READY_STATE_LOADING = 3,
XHR_READY_STATE_DONE = 4,
} godot_xhr_ready_state_t;
extern int godot_xhr_new();
extern void godot_xhr_reset(int p_xhr_id);
extern bool godot_xhr_free(int p_xhr_id);
extern int godot_xhr_open(int p_xhr_id, const char *p_method, const char *p_url, const char *p_user = NULL, const char *p_password = NULL);
extern void godot_xhr_set_request_header(int p_xhr_id, const char *p_header, const char *p_value);
extern void godot_xhr_send_null(int p_xhr_id);
extern void godot_xhr_send_string(int p_xhr_id, const char *p_data);
extern void godot_xhr_send_data(int p_xhr_id, const void *p_data, int p_len);
extern void godot_xhr_abort(int p_xhr_id);
/* this is an HTTPClient::ResponseCode, not ::Status */
extern int godot_xhr_get_status(int p_xhr_id);
extern godot_xhr_ready_state_t godot_xhr_get_ready_state(int p_xhr_id);
extern int godot_xhr_get_response_headers_length(int p_xhr_id);
extern void godot_xhr_get_response_headers(int p_xhr_id, char *r_dst, int p_len);
extern int godot_xhr_get_response_length(int p_xhr_id);
extern void godot_xhr_get_response(int p_xhr_id, void *r_dst, int p_len);
#ifdef __cplusplus
}
#endif
#endif /* HTTP_REQUEST_H */

145
platform/javascript/http_request.js Normal file
View File

@ -0,0 +1,145 @@
/*************************************************************************/
/* http_request.js */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/*************************************************************************/
var GodotHTTPRequest = {
$GodotHTTPRequest: {
requests: [],
getUnusedRequestId: function() {
var idMax = GodotHTTPRequest.requests.length;
for (var potentialId = 0; potentialId < idMax; ++potentialId) {
if (GodotHTTPRequest.requests[potentialId] instanceof XMLHttpRequest) {
continue;
}
return potentialId;
}
GodotHTTPRequest.requests.push(null)
return idMax;
},
setupRequest: function(xhr) {
xhr.responseType = 'arraybuffer';
},
},
godot_xhr_new: function() {
var newId = GodotHTTPRequest.getUnusedRequestId();
GodotHTTPRequest.requests[newId] = new XMLHttpRequest;
GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[newId]);
return newId;
},
godot_xhr_reset: function(xhrId) {
GodotHTTPRequest.requests[xhrId] = new XMLHttpRequest;
GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[xhrId]);
},
godot_xhr_free: function(xhrId) {
GodotHTTPRequest.requests[xhrId].abort();
GodotHTTPRequest.requests[xhrId] = null;
},
godot_xhr_open: function(xhrId, method, url, user, password) {
user = user > 0 ? UTF8ToString(user) : null;
password = password > 0 ? UTF8ToString(password) : null;
GodotHTTPRequest.requests[xhrId].open(UTF8ToString(method), UTF8ToString(url), true, user, password);
},
godot_xhr_set_request_header: function(xhrId, header, value) {
GodotHTTPRequest.requests[xhrId].setRequestHeader(UTF8ToString(header), UTF8ToString(value));
},
godot_xhr_send_null: function(xhrId) {
GodotHTTPRequest.requests[xhrId].send();
},
godot_xhr_send_string: function(xhrId, strPtr) {
if (!strPtr) {
Module.printErr("Failed to send string per XHR: null pointer");
return;
}
GodotHTTPRequest.requests[xhrId].send(UTF8ToString(strPtr));
},
godot_xhr_send_data: function(xhrId, ptr, len) {
if (!ptr) {
Module.printErr("Failed to send data per XHR: null pointer");
return;
}
if (len < 0) {
Module.printErr("Failed to send data per XHR: buffer length less than 0");
return;
}
GodotHTTPRequest.requests[xhrId].send(HEAPU8.subarray(ptr, ptr + len));
},
godot_xhr_abort: function(xhrId) {
GodotHTTPRequest.requests[xhrId].abort();
},
godot_xhr_get_status: function(xhrId) {
return GodotHTTPRequest.requests[xhrId].status;
},
godot_xhr_get_ready_state: function(xhrId) {
return GodotHTTPRequest.requests[xhrId].readyState;
},
godot_xhr_get_response_headers_length: function(xhrId) {
var headers = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders();
return headers === null ? 0 : lengthBytesUTF8(headers);
},
godot_xhr_get_response_headers: function(xhrId, dst, len) {
var str = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders();
if (str === null)
return;
var buf = new Uint8Array(len + 1);
stringToUTF8Array(str, buf, 0, buf.length);
buf = buf.subarray(0, -1);
HEAPU8.set(buf, dst);
},
godot_xhr_get_response_length: function(xhrId) {
var body = GodotHTTPRequest.requests[xhrId].response;
return body === null ? 0 : body.byteLength;
},
godot_xhr_get_response: function(xhrId, dst, len) {
var buf = GodotHTTPRequest.requests[xhrId].response;
if (buf === null)
return;
buf = new Uint8Array(buf).subarray(0, len);
HEAPU8.set(buf, dst);
},
};
autoAddDeps(GodotHTTPRequest, "$GodotHTTPRequest");
mergeInto(LibraryManager.library, GodotHTTPRequest);