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-rw-r--r--src/mame/drivers/mwarr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/mwarr.c b/src/mame/drivers/mwarr.c
index 7639f0f0e1b..62196467d1f 100644
--- a/src/mame/drivers/mwarr.c
+++ b/src/mame/drivers/mwarr.c
@@ -1,5 +1,5 @@
// license:???
-// copyright-holders:???
+// copyright-holders:Pierpaolo Prazzoli
/*
Mighty Warrior
3' href='#n93'>93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/***************************************************************************

http.cpp

HTTP server handling

***************************************************************************/
#include "emu.h"

#ifdef __sun
#define ASIO_DISABLE_DEV_POLL
#define ASIO_HAS_EPOLL
#endif

#include "server_ws_impl.hpp"
#include "server_http_impl.hpp"
#include <fstream>

#include <inttypes.h>
#include <stdint.h>


const static struct mapping
{
	const char* extension;
	const char* mime_type;
} mappings[] =
{
	{ "aac",     "audio/aac" },
	{ "aat",     "application/font-sfnt" },
	{ "aif",     "audio/x-aif" },
	{ "arj",     "application/x-arj-compressed" },
	{ "asf",     "video/x-ms-asf" },
	{ "avi",     "video/x-msvideo" },
	{ "bmp",     "image/bmp" },
	{ "cff",     "application/font-sfnt" },
	{ "css",     "text/css" },
	{ "csv",     "text/csv" },
	{ "doc",     "application/msword" },
	{ "eps",     "application/postscript" },
	{ "exe",     "application/octet-stream" },
	{ "gif",     "image/gif" },
	{ "gz",      "application/x-gunzip" },
	{ "htm",     "text/html" },
	{ "html",    "text/html" },
	{ "ico",     "image/x-icon" },
	{ "ief",     "image/ief" },
	{ "jpeg",    "image/jpeg" },
	{ "jpg",     "image/jpeg" },
	{ "jpm",     "image/jpm" },
	{ "jpx",     "image/jpx" },
	{ "js",      "application/javascript" },
	{ "json",    "application/json" },
	{ "lay",     "text/xml" },
	{ "m3u",     "audio/x-mpegurl" },
	{ "m4v",     "video/x-m4v" },
	{ "mid",     "audio/x-midi" },
	{ "mov",     "video/quicktime" },
	{ "mp3",     "audio/mpeg" },
	{ "mp4",     "video/mp4" },
	{ "mpeg",    "video/mpeg" },
	{ "mpg",     "video/mpeg" },
	{ "oga",     "audio/ogg" },
	{ "ogg",     "audio/ogg" },
	{ "ogv",     "video/ogg" },
	{ "otf",     "application/font-sfnt" },
	{ "pct",     "image/x-pct" },
	{ "pdf",     "application/pdf" },
	{ "pfr",     "application/font-tdpfr" },
	{ "pict",    "image/pict" },
	{ "png",     "image/png" },
	{ "ppt",     "application/x-mspowerpoint" },
	{ "ps",      "application/postscript" },
	{ "qt",      "video/quicktime" },
	{ "ra",      "audio/x-pn-realaudio" },
	{ "ram",     "audio/x-pn-realaudio" },
	{ "rar",     "application/x-arj-compressed" },
	{ "rgb",     "image/x-rgb" },
	{ "rtf",     "application/rtf" },
	{ "sgm",     "text/sgml" },
	{ "shtm",    "text/html" },
	{ "shtml",   "text/html" },
	{ "sil",     "application/font-sfnt" },
	{ "svg",     "image/svg+xml" },
	{ "swf",     "application/x-shockwave-flash" },
	{ "tar",     "application/x-tar" },
	{ "tgz",     "application/x-tar-gz" },
	{ "tif",     "image/tiff" },
	{ "tiff",    "image/tiff" },
	{ "torrent", "application/x-bittorrent" },
	{ "ttf",     "application/font-sfnt" },
	{ "txt",     "text/plain" },
	{ "wav",     "audio/x-wav" },
	{ "webm",    "video/webm" },
	{ "woff",    "application/font-woff" },
	{ "wrl",     "model/vrml" },
	{ "xhtml",   "application/xhtml+xml" },
	{ "xls",     "application/x-msexcel" },
	{ "xml",     "text/xml" },
	{ "xsl",     "application/xml" },
	{ "xslt",    "application/xml" },
	{ "zip",     "application/x-zip-compressed" }
};

static std::string extension_to_type(const std::string& extension)
{
	for (mapping m : mappings)
	{
		if (m.extension == extension)
		{
			return m.mime_type;
		}
	}

	return "text/plain";
}

/** An HTTP Request. */
struct http_request_impl : public http_manager::http_request
{
public:
	std::shared_ptr<webpp::Request> m_request;
	std::size_t m_query;
	std::size_t m_fragment;
	std::size_t m_path_end;
	std::size_t m_query_end;

	http_request_impl(std::shared_ptr<webpp::Request> request) : m_request(request) {
		std::size_t len = m_request->path.length();

		m_fragment = m_request->path.find('#');
		m_query_end = m_fragment == std::string::npos ? len : m_fragment;

		m_query = m_request->path.find('?');
		m_path_end = m_query == std::string::npos ? m_query_end : m_query;
	}

	virtual ~http_request_impl() = default;

	/** Retrieves the requested resource. */
	virtual const std::string get_resource() {
		// The entire resource: path, query and fragment.
		return m_request->path;
	}

	/** Returns the path part of the requested resource. */
	virtual const std::string get_path() {
		return m_request->path.substr(0, m_path_end);
	}

	/** Returns the query part of the requested resource. */
	virtual const std::string get_query() {
		return m_query == std::string::npos ? "" : m_request->path.substr(m_query, m_query_end);
	}

	/** Returns the fragment part of the requested resource. */
	virtual const std::string get_fragment() {
		return m_fragment == std::string::npos ? "" : m_request->path.substr(m_fragment);
	}

	/** Retrieves a header from the HTTP request. */
	virtual const std::string get_header(const std::string &header_name) {
		auto i = m_request->header.find(header_name);
		if (i != m_request->header.end()) {
			return (*i).second;
		} else {
			return "";
		}
	}

	/** Retrieves a header from the HTTP request. */
	virtual const std::list<std::string> get_headers(const std::string &header_name) {
		std::list<std::string> result;
		auto range = m_request->header.equal_range(header_name);
		for (auto i = range.first; i != range.second; i++) {
			result.push_back((*i).second);
		}
		return result;
	}

	/** Returns the body that was submitted with the HTTP request. */
	virtual const std::string get_body() {
		// TODO(cbrunschen): What to return here - http_server::Request has a 'content' feld that is never filled in!
		return "";
	}
};

/** An HTTP response. */
struct http_response_impl : public http_manager::http_response {
	std::shared_ptr<webpp::Response> m_response;
	int m_status;
	std::string m_content_type;
	std::stringstream m_headers;
	std::stringstream m_body;

	http_response_impl(std::shared_ptr<webpp::Response> response) : m_response(response) { }

	virtual ~http_response_impl() = default;

	/** Sets the HTTP status to be returned to the client. */
	virtual void set_status(int status) {
		m_status = status;
	}

	/** Sets the HTTP content type to be returned to the client. */
	virtual void set_content_type(const std::string &content_type) {
		m_content_type = content_type;
	}

	/** Sets the body to be sent to the client. */
	virtual void set_body(const std::string &body) {
		m_body.str("");
		append_body(body);
	}

	/** Appends something to the body to be sent to the client. */
	virtual void append_body(const std::string &body) {
		m_body << body;
	}

	/** Sends the response to the client. */
	void send() {
		m_response->type(m_content_type);
		m_response->status(m_status);
		m_response->send(m_body.str());
	}
};

struct websocket_endpoint_impl : public http_manager::websocket_endpoint {
	/** The underlying edpoint. */
	webpp::ws_server::Endpoint *m_endpoint;

	websocket_endpoint_impl(webpp::ws_server::Endpoint *endpoint,
		http_manager::websocket_open_handler on_open,
		http_manager::websocket_message_handler on_message,
		http_manager::websocket_close_handler on_close,
		http_manager::websocket_error_handler on_error)
	: m_endpoint(endpoint) {
		this->on_open = on_open;
		this->on_message = on_message;
		this->on_close = on_close;
		this->on_error = on_error;
	}
};

struct websocket_connection_impl : public http_manager::websocket_connection {
	/** The server */
	webpp::ws_server *m_wsserver;
	/* The underlying Commection. */
	std::weak_ptr<webpp::Connection> m_connection;
	websocket_connection_impl(webpp::ws_server *server, std::shared_ptr<webpp::Connection> connection)
		: m_wsserver(server), m_connection(connection) { }

	/** Sends a message to the client that is connected on the other end of this Websocket connection. */
	virtual void send_message(const std::string &payload, int opcode) {
		if (auto connection = m_connection.lock()) {
			std::shared_ptr<webpp::ws_server::SendStream> message_stream = std::make_shared<webpp::ws_server::SendStream>();
			(*message_stream) << payload;
			m_wsserver->send(connection, message_stream, nullptr, opcode | 0x80);
		}
	}

	/** Closes this open Websocket connection. */
	virtual void close() {
		if (auto connection = m_connection.lock()) {
			m_wsserver->send_close(connection, 1000 /* normal close */);
		}
	}
};

http_manager::http_manager(bool active, short port, const char *root)
  : m_active(active), m_io_context(std::make_shared<asio::io_context>()), m_root(root)
{
	if (!active) return;

	m_server = std::make_unique<webpp::http_server>();
	m_server->m_config.port = port;
	m_server->set_io_context(m_io_context);
	m_wsserver = std::make_unique<webpp::ws_server>();

	auto& endpoint = m_wsserver->m_endpoint["/"];

	m_server->on_get([root](auto response, auto request) {
		std::string doc_root = root;

		auto request_impl = std::make_shared<http_request_impl>(request);

		std::string path = request_impl->get_path();
		// If path ends in slash (i.e. is a directory) then add "index.html".
		if (path[path.size() - 1] == '/')
		{
			path += "index.html";
		}

		// Determine the file extension.
		std::size_t last_slash_pos = path.find_last_of("/");
		std::size_t last_dot_pos = path.find_last_of(".");
		std::string extension;
		if (last_dot_pos != std::string::npos && last_dot_pos > last_slash_pos)
		{
			extension = path.substr(last_dot_pos + 1);
		}

		// Open the file to send back.
		std::string full_path = doc_root + path;
		std::ifstream is(full_path.c_str(), std::ios::in | std::ios::binary);
		if (!is)
		{
			response->status(400).send("Error");
		}
		else
		{
			// Fill out the reply to be sent to the client.
			std::string content;
			char buf[512];
			while (is.read(buf, sizeof(buf)).gcount() > 0)
				content.append(buf, size_t(is.gcount()));

			response->type(extension_to_type(extension));
			response->status(200).send(content);
		}
	});

	endpoint.on_open = [&](auto connection) {
		auto send_stream = std::make_shared<webpp::ws_server::SendStream>();
		*send_stream << "update_machine";
		m_wsserver->send(connection, send_stream);
	};

	m_server->on_upgrade = [this](auto socket, auto request) {
		auto connection = std::make_shared<webpp::ws_server::Connection>(socket);
		connection->method = std::move(request->method);
		connection->path = std::move(request->path);
		connection->http_version = std::move(request->http_version);
		connection->header = std::move(request->header);
		connection->remote_endpoint_address = std::move(request->remote_endpoint_address);
		connection->remote_endpoint_port = request->remote_endpoint_port;
		m_wsserver->upgrade(connection);
	};

	m_server->start();

	m_server_thread = std::thread([this]() {
		m_io_context->run();
	});
}

http_manager::~http_manager()
{
	if (!m_server) return;

	m_server->stop();
	m_io_context->stop();
	if (m_server_thread.joinable())
		m_server_thread.join();
}

static void on_get(http_manager::http_handler handler, std::shared_ptr<webpp::Response> response, std::shared_ptr<webpp::Request> request) {
	auto request_impl = std::make_shared<http_request_impl>(request);
	auto response_impl = std::make_shared<http_response_impl>(response);

	handler(request_impl, response_impl);

	response_impl->send();
}

void http_manager::on_open(http_manager::websocket_endpoint_ptr endpoint, std::shared_ptr<webpp::Connection> connection) {
	std::lock_guard<std::mutex> lock(m_connections_mutex);
	webpp::ws_server *ws_server = m_wsserver.get();

	http_manager::websocket_connection_ptr connection_impl = std::make_shared<websocket_connection_impl>(ws_server, connection);
	m_connections[connection.get()] = connection_impl;

	if (endpoint->on_open) {
		endpoint->on_open(connection_impl);
	}
}

void http_manager::on_message(http_manager::websocket_endpoint_ptr endpoint, std::shared_ptr<webpp::Connection> connection, const std::string &payload, int opcode) {
	if (endpoint->on_message) {
		std::lock_guard<std::mutex> lock(m_connections_mutex);
		auto i = m_connections.find(connection.get());
		if (i != m_connections.end()) {
			http_manager::websocket_connection_ptr websocket_connection_impl = (*i).second;
			endpoint->on_message(websocket_connection_impl, payload, opcode);
		}
	}
}

void http_manager::on_close(http_manager::websocket_endpoint_ptr endpoint, std::shared_ptr<webpp::Connection> connection,
			  int status, const std::string& reason) {
	std::lock_guard<std::mutex> lock(m_connections_mutex);
	auto i = m_connections.find(connection.get());
	if (i != m_connections.end()) {
		if (endpoint->on_close) {
			http_manager::websocket_connection_ptr websocket_connection_impl = (*i).second;
			endpoint->on_close(websocket_connection_impl, status, reason);
		}

		m_connections.erase(connection.get());
	}
}

void http_manager::on_error(http_manager::websocket_endpoint_ptr endpoint, std::shared_ptr<webpp::Connection> connection,
			  const std::error_code& error_code) {
	std::lock_guard<std::mutex> lock(m_connections_mutex);
	auto i = m_connections.find(connection.get());
	if (i != m_connections.end()) {
		if (endpoint->on_error) {
			http_manager::websocket_connection_ptr websocket_connection_impl = (*i).second;
			endpoint->on_error(websocket_connection_impl, error_code);
		}

		m_connections.erase(connection.get());
	}
}

bool http_manager::read_file(std::ostream &os, const std::string &path) {
	std::ostringstream full_path;
	full_path << m_root << path;
	util::core_file::ptr f;
	osd_file::error e = util::core_file::open(full_path.str(), OPEN_FLAG_READ, f);
	if (e == osd_file::error::NONE)
	{
		int c;
		while ((c = f->getc()) >= 0)
		{
			os.put(c);
		}
	}
	return e == osd_file::error::NONE;
}

void http_manager::serve_document(http_request_ptr request, http_response_ptr response, const std::string &filename) {
	if (!m_active) return;

	std::ostringstream os;
	if (read_file(os, filename))
	{
		response->set_status(200);
		response->set_body(os.str());
	}
	else
	{
		response->set_status(500);
	}
}

void http_manager::serve_template(http_request_ptr request, http_response_ptr response,
								  const std::string &filename, substitution substitute, char init, char term)
{
	if (!m_active) return;

	// printf("webserver: serving template '%s' at path '%s'\n", filename.c_str(), request->get_path().c_str());
	std::stringstream ss;
	if (read_file(ss, filename))
	{
		std::ostringstream os;
		while (ss.good())
		{
			std::string s;
			getline(ss, s, init);
			os << s;
			if (ss.good())
			{
				// printf("webserver: found initiator '%c'\n", init);
				getline(ss, s, term);
				if (ss.good())
				{
					if (substitute(s))
					{
						os << s;
					}
					else
					{
						os << init << s << term;
					}
				}
				else
				{
					// printf("webserver: reached end before terminator\n");
					os << init;
					os << s;
				}
			}
			else
			{
				// printf("webserver: reached end before initiator\n");
			}
		}

		response->set_status(200);
		response->set_body(os.str());
	}
	else
	{
		response->set_status(500);
	}
}

void http_manager::add_http_handler(const std::string &path, http_manager::http_handler handler)
{
	if (!m_active) return;

	using namespace std::placeholders;
	m_server->on_get(path, std::bind(on_get, handler, _1, _2));

	std::lock_guard<std::mutex> lock(m_handlers_mutex);
	m_handlers.emplace(path, handler);
}

void http_manager::remove_http_handler(const std::string &path) {
	if (!m_active) return;

	m_server->remove_handler(path);

	std::lock_guard<std::mutex> lock(m_handlers_mutex);
	m_handlers.erase(path);
}

void http_manager::clear() {
	if (!m_active) return;

	m_server->clear();

	std::lock_guard<std::mutex> lock(m_handlers_mutex);
	m_handlers.clear();
}

http_manager::websocket_endpoint_ptr http_manager::add_endpoint(const std::string &path,
		http_manager::websocket_open_handler on_open,
		http_manager::websocket_message_handler on_message,
		http_manager::websocket_close_handler on_close,
		http_manager::websocket_error_handler on_error)  {
	if (!m_active) return std::shared_ptr<websocket_endpoint_impl>(nullptr);

	auto i = m_endpoints.find(path);
	if (i == m_endpoints.end()) {
		using namespace std::placeholders;

		auto &endpoint = m_wsserver->m_endpoint[path];
		webpp::ws_server::Endpoint *endpoint_ptr(&endpoint);
		auto endpoint_impl = std::make_shared<websocket_endpoint_impl>(endpoint_ptr, on_open, on_message, on_close, on_error);

		endpoint.on_open = [&, this, endpoint_impl](std::shared_ptr<webpp::Connection> connection) {
			this->on_open(endpoint_impl, connection);
		};

		endpoint.on_message = [&, this, endpoint_impl](std::shared_ptr<webpp::Connection> connection, std::shared_ptr<webpp::ws_server::Message> message) {
			std::string payload = message->string();
			int opcode = message->fin_rsv_opcode & 0x0f;
			this->on_message(endpoint_impl, connection, payload, opcode);
		};

		endpoint.on_close = [&, this, endpoint_impl](std::shared_ptr<webpp::Connection> connection, int status, const std::string& reason) {
			this->on_close(endpoint_impl, connection, status, reason);
		};

		endpoint.on_error = [&, this, endpoint_impl](std::shared_ptr<webpp::Connection> connection, const std::error_code& error_code) {
			this->on_error(endpoint_impl, connection, error_code);
		};

		m_endpoints[path] = endpoint_impl;
		return endpoint_impl;
	} else {
		return (*i).second;
	}
}

void http_manager::remove_endpoint(const std::string &path) {
	if (!m_active) return;

	m_endpoints.erase(path);
}