DNS and localStorage for server

composer.json

@@ -24,7 +24,7 @@
 	},
 	"require": {
 		"php": "~8.3",
-		"ext-openswoole": "~20230831",
+		"ext-sodium": "~8.3",
 		"mirzaev/minimal": "^2.2.0",
 		"twig/twig": "^3.4"
 	},

mirzaev/notchat/system/controllers/index.php

@@ -54,7 +54,7 @@ final class index extends core
 			// Generating the reponse
 			echo json_encode(
 				[
-					'html' => $this->view->render('sections/servers.html', ['current' => server::read($parameters['server'], errors: $this->errors), 'servers' => server::all(100, errors: $this->errors) ?? []]),
+					'html' => $this->view->render('sections/servers.html', ['current' => isset($parameters['server']) ? server::read($parameters['server'], errors: $this->errors) : null, 'servers' => server::all(100, errors: $this->errors) ?? []]),
 					'errors' => null
 				]
 			);

mirzaev/notchat/system/controllers/server.php

@@ -34,7 +34,7 @@ final class server extends core
 			// POST
 
 			// Create a file with server data
-			model::write($parameters['hash'], file_get_contents('php://input'), $this->errors);
+			model::write($parameters['domain'], file_get_contents('php://input'), $this->errors);
 
 			// Initializing a response headers
 			header('Content-Type: application/json');
@@ -59,4 +59,49 @@ final class server extends core
 			flush();
 		}
 	}
+
+	/**
+	 * Read the server
+	 *
+	 * API for server reading
+	 *
+	 * @param array $parameters Parameters of the request (POST + GET)
+	 *
+	 * @return void Generated JSON to the output buffer
+	 */
+	public function read(array $parameters = []): void
+	{
+		if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+			// POST
+
+			// Read a file with server data
+			$server = json_decode(model::read(model::domain($parameters['server']), $this->errors), true, 8);
+
+			// Remove protected parameters
+			unset($server['key']);
+
+			// Initializing a response headers
+			header('Content-Type: application/json');
+			header('Content-Encoding: none');
+			header('X-Accel-Buffering: no');
+
+			// Initializing of the output buffer
+			ob_start();
+
+			// Generating the reponse
+			echo json_encode(
+				[
+					'server' => $server,
+					'errors' => static::text($this->errors)
+				]
+			);
+
+			// Initializing a response headers
+			header('Content-Length: ' . ob_get_length());
+
+			// Sending and deinitializing of the output buffer
+			ob_end_flush();
+			flush();
+		}
+	}
 }

mirzaev/notchat/system/models/dns.php

@@ -0,0 +1,231 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\notchat\models;
+
+// Framework for PHP
+use mirzaev\minimal\model;
+
+// Built-in libraries
+use exception,
+	DirectoryIterator as parser;
+
+/**
+ * Core of DNS registry
+ *
+ * @package mirzaev\notchat\models
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+class dns extends core
+{
+	/**
+	 * Path to DNS of storaged servers
+	 */
+	final public const DNS = core::STORAGE . DIRECTORY_SEPARATOR . 'servers' . DIRECTORY_SEPARATOR . 'dns.txt';
+
+	/**
+	 * Read
+	 *
+	 * Find and read server data from DNS registry by one of the values
+	 *
+	 * @param string|null $domain Domain of the server
+	 * @param string|null $ip IP-address of the server
+	 * @param string|int|null $port Port of the server
+	 * @param int $line Line number on which the search will be stopped
+	 * @param array &$errors Buffer of errors
+	 *
+	 * @return array|null Found DNS record of the server
+	 */
+	public static function read(?string $domain = null, ?string $ip = null, ?string $port = null, int $line = 0, &$errors = []): ?array
+	{
+		try {
+			// Open file with DNS records
+			$dns = fopen(static::DNS, 'r');
+
+			while (($row = fgets($dns)) !== false) {
+				// Iterate over rows
+
+				// Initializing values of the server data
+				$record = [$_domain, $_ip, $_port] = explode(' ', $row);
+
+				// Incrementing the line read counter
+				++$line;
+
+				if ($domain === $_domain || $ip === $_ip || $port === $_port) {
+					// Server found
+
+					// Close file with DNS
+					fclose($dns);
+
+					// Exit (success)
+					return $record;
+				}
+			}
+
+			// Close file with DNS
+			fclose($dns);
+		} catch (exception $e) {
+			// Write to buffer of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+
+	/**
+	 * Write
+	 *
+	 * Write server data to the end of DNS registry
+	 *
+	 * @param string $domain Domain of the server
+	 * @param string $ip IP-address of the server
+	 * @param string|int $port Port of the server
+	 * @param array &$errors Buffer of errors
+	 *
+	 * @return void
+	 */
+	public static function write(string $domain, string $ip, string|int $port, &$errors = []): void
+	{
+		try {
+			// Initializing part the file buffer (rows before target)
+			$before = [];
+
+			// Initializing part the file buffer (rows before target)
+			$after = [];
+
+			if (file_exists(static::DNS) && filesize(static::DNS) > 0) {
+				// File exists and not empty
+
+				// Initializing the status that the DNS record has been found
+				$found = false;
+
+				// Open file with DNS records
+				$dns = fopen(static::DNS, 'r');
+
+				while (($row = fgets($dns)) !== false) {
+					// Iterate over rows
+
+					// Initializing values of the server data
+					[$_domain] = explode(' ', $row);
+
+					// Writing the row to the file buffer (except the target record)
+					if ($domain === $_domain) $found = true;
+					else ${$found ? 'after' : 'before'}[] = $row;
+				}
+
+				// Close file with DNS records
+				fclose($dns);
+			}
+
+			// Open file with DNS records
+			$dns = fopen(static::DNS, 'c');
+
+			if (flock($dns, LOCK_EX)) {
+				// File locked
+
+				// Clear file
+				ftruncate($dns, 0); 
+
+				// Write a new record to the DNS registry
+				fwrite($dns, trim(implode("", $before)) . "\n$domain $ip $port\n" . trim(implode("", $after)));
+
+				// Apply changes
+				fflush($dns);
+
+				// Unlock file
+				flock($dns, LOCK_UN);
+			}
+		} catch (exception $e) {
+			// Write to buffer of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+	}
+
+	/**
+	 * Domain
+	 *
+	 * Convert domain or IP-address to domain
+	 *
+	 * @param string $server Domain or IP-address of the server
+	 * @param array &$errors Buffer of errors
+	 *
+	 * @return string|null Domain of the server
+	 */
+	public static function domain(string $server, &$errors = []): ?string
+	{
+		try {
+			if (preg_match('/^(https:\/\/)?\d+\..*\d\/?$/', $server) === 1) {
+				// IP-address
+
+				// Exit (success)
+				return static::read(ip: $server, errors: $errors)['domain'];
+			} else {
+				// Domain (implied)
+
+				// Exit (success)
+				return $server;
+			}
+		} catch (exception $e) {
+			// Write to buffer of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+
+	/**
+	 * IP-address
+	 *
+	 * Convert domain or IP-address to IP-address
+	 *
+	 * @param string $server Domain or IP-address of the server
+	 * @param array &$errors Buffer of errors
+	 *
+	 * @return string|null IP-address of the server
+	 */
+	public static function ip(string $server, &$errors = []): ?string
+	{
+		try {
+			if (preg_match('/^(https:\/\/)?\d+\..*\d\/?$/', $server) === 1) {
+				// IP-address
+
+				// Exit (success)
+				return $server;
+			} else {
+				// Domain (implied)
+
+				// Exit (success)
+				return static::read(domain: $server, errors: $errors)['ip'];
+			}
+		} catch (exception $e) {
+			// Write to buffer of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+}

mirzaev/notchat/system/models/server.php

@@ -14,7 +14,7 @@ use exception,
 /**
  * Core of models
  *
- * @package mirzaev\notchat\controllers
+ * @package mirzaev\notchat\models
  * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
  */
 class server extends core
@@ -29,20 +29,72 @@ class server extends core
 	 *
 	 * Create the file with server settings
 	 *
-	 * @param string $hash Name of the file (unique hash)
+	 * @param string $domain Domain of the server (unique)
 	 * @param string $json Data of the server with JSON format
-	 * @param array $errors Buffer of errors
+	 * @param array &$errors Buffer of errors
 	 *
 	 * @return void
 	 */
-	public static function write(string $hash, string $json = '', array &$errors = []): void
+	public static function write(string $domain, string $json = '', array &$errors = []): void
 	{
 		try {
-			if (strlen($hash) > 512) throw new exception('Hash cannot be longer than 512 characters');
+			if (strlen($domain) > 32) throw new exception('Domain cannot be longer than 32 characters');
 
-			$file = fopen(static::SERVERS . DIRECTORY_SEPARATOR . "$hash.json", "w");
+			// Initializing of path to file
-			fwrite($file, $json);
+			$path = static::SERVERS . DIRECTORY_SEPARATOR . "$domain.json";
+
+			// Initializing of host parameter
+			$host = $_SERVER['HTTP_X_FORWARDED_FOR'] ?? $_SERVER['REMOTE_ADDR'];
+
+			if (empty($host)) throw new exception('ты что дохуя фокусник блять');
+
+			// Initializing of data of server
+			$new = ['domain' => $domain, 'ip' => $host] + json_decode($json, true, 8);
+
+			if (strlen($new['key']) > 512) throw new exception('Public key cannot be longer than 512 characters');
+
+			if (file_exists($path)) {
+				// File found
+
+				// Open file with server data
+				$file = fopen($path, "r");
+
+				// Read server data
+				$old = json_decode(fread($file, filesize($path)), true, 8);
+
+				// Close file with server data
 				fclose($file);
+
+				if ($new['key'] === $old['key'] || time() - filectime($path) > 259200) {
+					// The keys match or the file has not been updated for more than 3 days
+
+					// Open file with server data
+					$file = fopen($path, "w");
+
+					// Write server data
+					fwrite($file, json_encode($new));
+
+					// Close file with server data
+					fclose($file);
+
+					// Write DNS record
+					dns::write(domain: $new['domain'], ip: $new['ip'], port: $new['port'], errors: $errors);
+				} else throw new exception('Public keys do not match');
+			} else {
+				// File is not found
+
+				// Open file with server data
+				$file = fopen($path, "w");
+
+				// Write server data
+				fwrite($file, json_encode($new));
+
+				// Close file with server data
+				fclose($file);
+
+				// Write DNS record
+				dns::write(domain: $new['domain'], ip: $new['ip'], port: $new['port'], errors: $errors);
+			}
 		} catch (exception $e) {
 			// Write to buffer of errors
 			$errors[] = [
@@ -54,6 +106,47 @@ class server extends core
 		}
 	}
 
+	/**
+	 * Read
+	 *
+	 * Read JSON from file of server
+	 *
+	 * @param string $domain Domain of the server
+	 * @param array &$errors Buffer of errors
+	 *
+	 * @return string|null JSON with data of the server
+	 */
+	public static function read(string $domain, &$errors = []): ?string
+	{
+		try {
+			// Initializing of path to file
+			$path = static::SERVERS . DIRECTORY_SEPARATOR . "$domain.json";
+
+			// Open file with server data
+			$file = fopen($path, "r");
+
+			// Read server data
+			$server = fread($file, filesize($path));
+
+			// Close file with server data
+			fclose($file);
+
+			// Exit (success)
+			return $server;
+		} catch (exception $e) {
+			// Write to buffer of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+
 	/**
 	 * Read all
 	 *
@@ -62,9 +155,9 @@ class server extends core
 	 * @param int $amount Number of servers per page
 	 * @param int $page Page of list of servers
 	 * @param int $time Number of seconds since the file was last edited (86400 seconds is 1 day)
-	 * @param array $errors Buffer of errors
+	 * @param array &$errors Buffer of errors
 	 *
-	 * @return ?array Array with JSON entries, if found
+	 * @return array|null Array with JSON entries, if found
 	 */
 	public static function all(int $amount = 100, int $page = 1, int $time = 86400, array &$errors = []): ?array
 	{
@@ -85,11 +178,20 @@ class server extends core
 				// Skipping unnecessary files
 				if (--$skip > $amount) continue;
 
+				// Skipping system shortcuts
 				if ($file->isDot()) continue;
 
-				if (time() - $file->getCTime() > $time && $file->isReadable()) {
+				if (time() - $file->getCTime() < $time && $file->isReadable()) {
+					// The file is actual (3 days by default) and writable
+
+					// Open file with server data
 					$server = $file->openFile('r');
+
+					// Write server data to the output buffer
 					$buffer[] = json_decode($server->fread($file->getSize()));
+
+					// Close file with server data
+					unset($file);
 				}
 
 				if (--$amount < 1) break;

mirzaev/notchat/system/public/index.php

@@ -34,8 +34,9 @@ $router = new router;
 
 // Запись маршрутов
 $router->write('/', 'index', 'index');
+$router->write('/server/read/$server', 'server', 'read', 'POST');
 $router->write('/servers', 'index', 'servers', 'POST');
-$router->write('/servers/connect/$hash', 'server', 'write', 'POST');
+$router->write('/servers/connect/$domain', 'server', 'write', 'POST');
 
 // Инициализация ядра
 $core = new core(namespace: __NAMESPACE__, router: $router, controller: new controller(false), model: new model(false));

mirzaev/notchat/system/public/js/chats.js

@@ -6,34 +6,78 @@ if (typeof window.chats !== "function") {
   // Initialize of the class in global namespace
   window.chats = class chats {
     /**
-     * Request
+     * Server
+     */
+    static server = {
+      /**
+       * Select server
        *
-     * @param {string} address
+       * @param {string} server Domain or IP-address of the server (from cache by default)
-     * @param {string} body
-     * @param {string} method POST, GET...
-     * @param {object} headers
-     * @param {string} type Format of response (json, text...)
        *
-     * @return {Promise}
+       * @return {void} Into the document will be generated and injected an HTML-element
+       */
+      select(server = localStorage.server_ip ?? localStorage.server_domain) {
+        if (typeof server === "string" && server.length > 0) {
+          if (core.servers instanceof HTMLElement) {
+            core.request(`/server/read/${server}`).then((json) => {
+              if (
+                json.errors !== null && typeof json.errors === "object" &&
+                json.errors.length > 0
+              ) {} else {
+                document.querySelector('figcaption[data-server="ip"]').innerText = `${json.ip}:${json.port}`;
+                document.querySelector('figcaption[data-server="description"]').innerText = `${json.description}`;
+              }
+            });
+          }
+        }
+      },
+    };
+
+    /**
+     * Generators
      */
     static generate = {
-      servers() {
+      /**
-        core.request("/servers").then((json) => {
+       * HTML-element with a server selection form
+       *
+       * @param {string} server Domain or IP-address of the server (from cache by default)
+       *
+       * @return {void} Into the document will be generated and injected an HTML-element
+       */
+      servers(server = localStorage.server_ip ?? localStorage.server_domain) {
+        core.request(
+          "/servers",
+          typeof server === "string" && server.length > 0
+            ? `server=${server}}`
+            : "",
+        ).then((json) => {
           if (core.servers instanceof HTMLElement) core.servers.remove();
-          if (json.errors !== null && typeof json.errors === 'object' && json.errors.length > 0) {}
+          if (
-          else {
+            json.errors !== null && typeof json.errors === "object" &&
+            json.errors.length > 0
+          ) {} else {
             const element = document.createElement("div");
             core.header.after(element);
             element.outerHTML = json.html;
 
-            core.servers = document.body.querySelector("section[data-section='servers']");
+            core.servers = document.body.querySelector(
+              "section[data-section='servers']",
+            );
           }
         });
       },
+
+      /**
+       * @param {string}
+       *
+       * @return {void} Into the document will be generated and injected an HTML-element
+       */
       chat() {
         core.request("/chat").then((json) => {
-          if (json.errors !== null && typeof json.errors === 'object' && json.errors.length > 0) {}
+          if (
-          else {
+            json.errors !== null && typeof json.errors === "object" &&
+            json.errors.length > 0
+          ) {} else {
             const element = document.createElement("div");
             const position = core.main.children.length;
             element.style.setProperty("--position", position);

mirzaev/notchat/system/public/server.php

@@ -1,43 +0,0 @@
-<?php
-
-namespace mirzaev\notchat;
-
-use OpenSwoole\Server,
-	OpenSwoole\WebSocket\Server as websocket,
-	OpenSwoole\Http\Request,
-	OpenSwoole\WebSocket\Frame,
-	OpenSwoole\Constant;
-
-$server = new websocket("0.0.0.0", 2024, Server::POOL_MODE, Constant::SOCK_TCP | Constant::SSL);
-
-$server->set([
-	'ssl_cert_file' => '/etc/letsencrypt/live/mirzaev.sexy/fullchain.pem',
-	'ssl_key_file' => '/etc/letsencrypt/live/mirzaev.sexy/privkey.pem'
-]);
-
-$server->on("Start", function (Server $server) {
-	echo "OpenSwoole WebSocket Server is started at http://127.0.0.1:2024\n";
-});
-
-$server->on('Open', function (Server $server, Request $request) {
-	echo "connection open: {$request->fd}\n";
-
-	$server->tick(1000, function () use ($server, $request) {
-		$server->push($request->fd, json_encode(["hello", time()]));
-	});
-});
-
-$server->on('Message', function (Server $server, Frame $frame) {
-	echo "received message: {$frame->data}\n";
-	$server->push($frame->fd, json_encode(["hello", time()]));
-});
-
-$server->on('Close', function (Server $server, int $fd) {
-	echo "connection close: {$fd}\n";
-});
-
-$server->on('Disconnect', function (Server $server, int $fd) {
-	echo "connection disconnect: {$fd}\n";
-});
-
-$server->start();

mirzaev/notchat/system/public/themes/default/css/animations.css

@@ -17,5 +17,14 @@
 	animation-name: uprise;
 	animation-fill-mode: forwards;
 	animation-timing-function: ease-in;
-
+}
+
+
+@keyframes marquee {
+  0% { left: 0; }
+  100% { left: -100%; }
+}
+
+.animation.marquee {
+  animation: marquee var(--speed, 3s) linear infinite;
 }

mirzaev/notchat/system/public/themes/default/css/fonts/hack.css

@@ -29,35 +29,3 @@
   font-style: italic;
   font-display: swap;
 }
-
-@font-face {
-  font-family: 'Hack';
-  src: url('/themes/default/fonts/hack/hack-regular-subset.woff2?sha=3114f1256') format('woff2'), url('/themes/default/fonts/hack/hack-regular-subset.woff?sha=3114f1256') format('woff');
-  font-weight: 400;
-  font-style: normal;
-  font-display: swap;
-}
-
-@font-face {
-  font-family: 'Hack';
-  src: url('/themes/default/fonts/hack/hack-bold-subset.woff2?sha=3114f1256') format('woff2'), url('/themes/default/fonts/hack/hack-bold-subset.woff?sha=3114f1256') format('woff');
-  font-weight: 700;
-  font-style: normal;
-  font-display: swap;
-}
-
-@font-face {
-  font-family: 'Hack';
-  src: url('/themes/default/fonts/hack/hack-italic-subset.woff2?sha=3114f1256') format('woff2'), url('/themes/default/fonts/hack/hack-italic-subset.woff?sha=3114f1256') format('woff');
-  font-weight: 400;
-  font-style: italic;
-  font-display: swap;
-}
-
-@font-face {
-  font-family: 'Hack';
-  src: url('/themes/default/fonts/hack/hack-bolditalic-subset.woff2?sha=3114f1256') format('woff2'), url('/themes/default/fonts/hack/hack-bolditalic-subset.woff?sha=3114f1256') format('woff');
-  font-weight: 700;
-  font-style: italic;
-  font-display: swap;
-}

mirzaev/notchat/system/public/themes/default/css/main.css

@@ -36,7 +36,7 @@ body {
 	height: 100vh;
 	display: grid;
 	grid-template-columns: [header] 220px [settings] 320px [main] auto [footer] 180px;
-	grid-template-rows: [aside] var(--row-aside, 200px) [settings] var(--row-settings, 100px) [main] auto;
+	grid-template-rows: [aside] var(--row-aside, 200px) [settings] var(--row-settings, 100px) [main] calc(100vh - var(--row-aside) - var(--gap) - var(--row-settings) - var(--gap)) auto;
 	gap: var(--gap, 16px);
 	padding: 0;
 	overflow-x: scroll;

mirzaev/notchat/system/storage/servers/7ed5995b3d6b16779909ca68e2c4c8ddb05601cb26ef6c6c5c22bfa42a0763a8.json

@@ -1 +0,0 @@
-{"name":"MIRZAEV","location":"Russia","description":"","accounts":[],"settings":{"chats":{"max":50,"private":false,"languages":[]}}}

mirzaev/notchat/system/views/themes/default/sections/servers.html

@@ -2,21 +2,22 @@
 	<search>
 		<label>
 			<i class="icon data"></i>
-			<input class="" name="server" type="text" placeholder="Сервер" list="servers" {% if current and current.address %}
+			<input class="" name="server" type="text" placeholder="Сервер" list="servers" {% if current and current.domain %}
-				value="{{ current.address }}" {% endif %} onkeypress="" autofocus="true">
+				value="{{ current.domain }}" {% endif %}onkeypress="localStorage.server_domain = this.value"
+				onselect="localStorage.server_domain = this.value" onchange="chats.server.select(this.value)" autofocus="true">
 			<datalist id="servers">
 				{% for server in servers %}
-				<option value="server.">[{{ server.location }}] {{ server.name }}{% if server.description %} {{
+				<option value="{{ server.domain }}">{{ server.domain }}{% if server.description %} {{
 					server.description
 					}}{% endif %}</option>
 				{% endfor %}
 			</datalist>
 		</label>
-		<output id="server">
+		<output>
-			{% if current %}
+			<figure>
-			<p>{{ current.name }} <span>{{ current.location}}</span></p>
+				<figcaption data-server="ip">{% if current %}{{ current.ip }}:{{ current.port }}{% endif %}</figcaption>
-			<p>{{ current.description }}</p>
+				<span data-server="description" class="animation marquee">{{ current.description }}</span>
-			{% endif %}
+			</figure>
 		</output>
 	</search>
 </section>