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-rw-r--r--platform/javascript/export/export_server.h250
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diff --git a/platform/javascript/export/export_server.h b/platform/javascript/export/export_server.h
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--- a/platform/javascript/export/export_server.h
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-/*************************************************************************/
-/* export_server.h */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-#ifndef JAVASCRIPT_EXPORT_SERVER_H
-#define JAVASCRIPT_EXPORT_SERVER_H
-
-#include "core/io/image_loader.h"
-#include "core/io/stream_peer_ssl.h"
-#include "core/io/tcp_server.h"
-#include "core/io/zip_io.h"
-#include "editor/editor_paths.h"
-
-class EditorHTTPServer : public RefCounted {
-private:
- Ref<TCPServer> server;
- HashMap<String, String> mimes;
- Ref<StreamPeerTCP> tcp;
- Ref<StreamPeerSSL> ssl;
- Ref<StreamPeer> peer;
- Ref<CryptoKey> key;
- Ref<X509Certificate> cert;
- bool use_ssl = false;
- uint64_t time = 0;
- uint8_t req_buf[4096];
- int req_pos = 0;
-
- void _clear_client() {
- peer = Ref<StreamPeer>();
- ssl = Ref<StreamPeerSSL>();
- tcp = Ref<StreamPeerTCP>();
- memset(req_buf, 0, sizeof(req_buf));
- time = 0;
- req_pos = 0;
- }
-
- void _set_internal_certs(Ref<Crypto> p_crypto) {
- const String cache_path = EditorPaths::get_singleton()->get_cache_dir();
- const String key_path = cache_path.plus_file("html5_server.key");
- const String crt_path = cache_path.plus_file("html5_server.crt");
- bool regen = !FileAccess::exists(key_path) || !FileAccess::exists(crt_path);
- if (!regen) {
- key = Ref<CryptoKey>(CryptoKey::create());
- cert = Ref<X509Certificate>(X509Certificate::create());
- if (key->load(key_path) != OK || cert->load(crt_path) != OK) {
- regen = true;
- }
- }
- if (regen) {
- key = p_crypto->generate_rsa(2048);
- key->save(key_path);
- cert = p_crypto->generate_self_signed_certificate(key, "CN=godot-debug.local,O=A Game Dev,C=XXA", "20140101000000", "20340101000000");
- cert->save(crt_path);
- }
- }
-
-public:
- EditorHTTPServer() {
- mimes["html"] = "text/html";
- mimes["js"] = "application/javascript";
- mimes["json"] = "application/json";
- mimes["pck"] = "application/octet-stream";
- mimes["png"] = "image/png";
- mimes["svg"] = "image/svg";
- mimes["wasm"] = "application/wasm";
- server.instantiate();
- stop();
- }
-
- void stop() {
- server->stop();
- _clear_client();
- }
-
- Error listen(int p_port, IPAddress p_address, bool p_use_ssl, String p_ssl_key, String p_ssl_cert) {
- use_ssl = p_use_ssl;
- if (use_ssl) {
- Ref<Crypto> crypto = Crypto::create();
- if (crypto.is_null()) {
- return ERR_UNAVAILABLE;
- }
- if (!p_ssl_key.is_empty() && !p_ssl_cert.is_empty()) {
- key = Ref<CryptoKey>(CryptoKey::create());
- Error err = key->load(p_ssl_key);
- ERR_FAIL_COND_V(err != OK, err);
- cert = Ref<X509Certificate>(X509Certificate::create());
- err = cert->load(p_ssl_cert);
- ERR_FAIL_COND_V(err != OK, err);
- } else {
- _set_internal_certs(crypto);
- }
- }
- return server->listen(p_port, p_address);
- }
-
- bool is_listening() const {
- return server->is_listening();
- }
-
- void _send_response() {
- Vector<String> psa = String((char *)req_buf).split("\r\n");
- int len = psa.size();
- ERR_FAIL_COND_MSG(len < 4, "Not enough response headers, got: " + itos(len) + ", expected >= 4.");
-
- Vector<String> req = psa[0].split(" ", false);
- ERR_FAIL_COND_MSG(req.size() < 2, "Invalid protocol or status code.");
-
- // Wrong protocol
- ERR_FAIL_COND_MSG(req[0] != "GET" || req[2] != "HTTP/1.1", "Invalid method or HTTP version.");
-
- const int query_index = req[1].find_char('?');
- const String path = (query_index == -1) ? req[1] : req[1].substr(0, query_index);
-
- const String req_file = path.get_file();
- const String req_ext = path.get_extension();
- const String cache_path = EditorPaths::get_singleton()->get_cache_dir().plus_file("web");
- const String filepath = cache_path.plus_file(req_file);
-
- if (!mimes.has(req_ext) || !FileAccess::exists(filepath)) {
- String s = "HTTP/1.1 404 Not Found\r\n";
- s += "Connection: Close\r\n";
- s += "\r\n";
- CharString cs = s.utf8();
- peer->put_data((const uint8_t *)cs.get_data(), cs.size() - 1);
- return;
- }
- const String ctype = mimes[req_ext];
-
- Ref<FileAccess> f = FileAccess::open(filepath, FileAccess::READ);
- ERR_FAIL_COND(f.is_null());
- String s = "HTTP/1.1 200 OK\r\n";
- s += "Connection: Close\r\n";
- s += "Content-Type: " + ctype + "\r\n";
- s += "Access-Control-Allow-Origin: *\r\n";
- s += "Cross-Origin-Opener-Policy: same-origin\r\n";
- s += "Cross-Origin-Embedder-Policy: require-corp\r\n";
- s += "Cache-Control: no-store, max-age=0\r\n";
- s += "\r\n";
- CharString cs = s.utf8();
- Error err = peer->put_data((const uint8_t *)cs.get_data(), cs.size() - 1);
- if (err != OK) {
- ERR_FAIL();
- }
-
- while (true) {
- uint8_t bytes[4096];
- uint64_t read = f->get_buffer(bytes, 4096);
- if (read == 0) {
- break;
- }
- err = peer->put_data(bytes, read);
- if (err != OK) {
- ERR_FAIL();
- }
- }
- }
-
- void poll() {
- if (!server->is_listening()) {
- return;
- }
- if (tcp.is_null()) {
- if (!server->is_connection_available()) {
- return;
- }
- tcp = server->take_connection();
- peer = tcp;
- time = OS::get_singleton()->get_ticks_usec();
- }
- if (OS::get_singleton()->get_ticks_usec() - time > 1000000) {
- _clear_client();
- return;
- }
- if (tcp->get_status() != StreamPeerTCP::STATUS_CONNECTED) {
- return;
- }
-
- if (use_ssl) {
- if (ssl.is_null()) {
- ssl = Ref<StreamPeerSSL>(StreamPeerSSL::create());
- peer = ssl;
- ssl->set_blocking_handshake_enabled(false);
- if (ssl->accept_stream(tcp, key, cert) != OK) {
- _clear_client();
- return;
- }
- }
- ssl->poll();
- if (ssl->get_status() == StreamPeerSSL::STATUS_HANDSHAKING) {
- // Still handshaking, keep waiting.
- return;
- }
- if (ssl->get_status() != StreamPeerSSL::STATUS_CONNECTED) {
- _clear_client();
- return;
- }
- }
-
- while (true) {
- char *r = (char *)req_buf;
- int l = req_pos - 1;
- if (l > 3 && r[l] == '\n' && r[l - 1] == '\r' && r[l - 2] == '\n' && r[l - 3] == '\r') {
- _send_response();
- _clear_client();
- return;
- }
-
- int read = 0;
- ERR_FAIL_COND(req_pos >= 4096);
- Error err = peer->get_partial_data(&req_buf[req_pos], 1, read);
- if (err != OK) {
- // Got an error
- _clear_client();
- return;
- } else if (read != 1) {
- // Busy, wait next poll
- return;
- }
- req_pos += read;
- }
- }
-};
-
-#endif // JAVASCRIPT_EXPORT_SERVER_H
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