Add Redis cache configuration and temp logging functionality

inc/_LOGGER_.php

@@ -0,0 +1,69 @@
+<?php
+
+class logger {
+    private static $log_file = "log.txt";
+    private static $log_file_path = "/var/www/logs/";
+
+    public static function log($message, $includeDate = true) {
+        // check if directory exists
+        if (!file_exists(self::$log_file_path)) {
+            mkdir(self::$log_file_path, 0777, true);
+        }
+
+        // check if file exists
+        if (!file_exists(self::$log_file_path . "/" . self::$log_file)) {
+            file_put_contents(self::$log_file_path . "/" . self::$log_file, "");
+        }
+
+        if ($includeDate) {
+            $date = date('Y-m-d H:i:s');
+            $ip = $_SERVER['REMOTE_ADDR'];
+            $log = "$date - $ip \n$message\n-------------------\n";
+        } else {
+            $log = "$message\n-------------------\n";
+        }
+
+        file_put_contents(self::$log_file_path . "/" . self::$log_file, $log, FILE_APPEND);
+    }
+
+    public static function arrayToLog($array, $includeDate = true) {
+        $log = print_r($array, true);
+        self::log($log, $includeDate);
+    }
+
+    public static function stackTraceLog( $callStack, $includeDate = true ) {
+        $log = "Stack trace:\n";
+        try {
+            // $log .= "Got: " . $callStack[0]['file'] . " : " . $callStack[0]['line'] . "\n";
+            
+            foreach ($callStack as $key => $value) {
+                $function = isset($value['function']) ? $value['function'] : "unknown";
+                $file = isset($value['file']) ? $value['file'] : "unknown";
+                $line = isset($value['line']) ? $value['line'] : "unknown";
+
+                $message = isset($value['args']) ? print_r($value['args'], true) : "unknown";
+
+                // if ($key == 0) {
+                //     $log .= "   " . $function . " at: " . $file . " : " . $line . "\n";
+                //     $log .= "   " . $message[1] . "\n";
+                //     continue;
+                // }
+                $log .= "   " . $function . " at: " . $file . " : " . $line . "\n";
+            }
+        } catch (Exception $e) {
+            echo '<pre>';
+            echo "Original stack trace: \n";
+            echo $e->getMessage();
+            print_r($callStack->getTrace());
+            echo '</pre>';
+            echo '<pre>';
+            echo 'Current stack trace: \n';
+            echo $e->getMessage();
+            print_r($e->getTrace());
+            echo '</pre>';
+
+            die("Unable to parse stack trace");
+        }
+        self::log($log, $includeDate);
+    }
+}

inc/cache.php

@@ -12,6 +12,7 @@ defined('TINYBOARD') or exit;
 class Cache {
 	private static function buildCache(): CacheDriver {
 		global $config;
+		$isDocker = is_file("/.dockerenv") || is_file("/run/.containerenv");
 
 		switch ($config['cache']['enabled']) {
 			case 'memcached':
@@ -20,12 +21,31 @@ class Cache {
 					$config['cache']['memcached']
 				);
 			case 'redis':
+				$host = $config['cache']['redis'][0] ?? 'localhost';
+				$port = $config['cache']['redis'][1] ?? 6379;
+				$password = $config['cache']['redis'][2] ?? '';
+				$database = $config['cache']['redis'][3] ?? 1;
+
+				if ($isDocker) {
+					$host = getenv('VICHAN_REDIS_HOST') ?: $host;
+					$port = getenv('VICHAN_REDIS_PORT') ?: $port;
+					$password = getenv('VICHAN_REDIS_PASSWORD') ?: $password;
+					$database = getenv('VICHAN_REDIS_DATABASE') ?: $database;
+				}
+				// $log->log("Cache info:\n"
+				// 	. 'Cache driver: redis' . "\n"
+				// 	. '├ Redis host: ' . $host . "\n"
+				// 	. '├ Redis port: ' . $port . "\n"
+				// 	. '├ Redis password: ' . str_repeat('*', strlen($password)) . "\n"
+				// 	. '└ Redis database: ' . $database . "\n"
+				// );
+
 				return new RedisCacheDriver(
 					$config['cache']['prefix'],
-					$config['cache']['redis'][0],
+					$host,
-					$config['cache']['redis'][1],
+					$port,
-					$config['cache']['redis'][2],
+					$password,
-					$config['cache']['redis'][3]
+					$database
 				);
 			case 'apcu':
 				return new ApcuCacheDriver;

inc/config.php

@@ -143,27 +143,10 @@
 	// Configure cache
 	if ($redis_enabled) {
 		$config['cache']['enabled'] = 'redis';
-		$config['cache']['redis'] = [
-			'host' => getenv('VICHAN_REDIS_HOST') ?: 'localhost',
-			'port' => (int)(getenv('VICHAN_REDIS_PORT') ?: 6379),
-			'password' => getenv('VICHAN_REDIS_PASSWORD') ?: '',
-			'database' => 1,
-		];
 	} else {
 		$config['cache']['enabled'] = 'php';
 	}
 
-	// Configure sessions to use Redis if enabled
-	if ($redis_enabled) {
-		$config['session']['enabled'] = 'redis';
-		$config['session']['redis'] = [
-			'host' => getenv('VICHAN_REDIS_HOST') ?: 'localhost',
-			'port' => (int)(getenv('VICHAN_REDIS_PORT') ?: 6379),
-			'password' => getenv('VICHAN_REDIS_PASSWORD') ?: '',
-			'database' => 1,
-		];
-	}
-
 	// Cache timeout for cached objects
 	$config['cache']['timeout'] = 60 * 60 * 48; // 48 hours
 
@@ -1869,6 +1852,15 @@
 	// Enable public logs? 0: NO, 1: YES, 2: YES, but drop names
 	$config['public_logs'] = 0;
 
+/*
+ * ====================
+ *  Docker settings
+ * ===================
+ */
+
+ $isDocker = is_file("/.dockerenv") || is_file("/run/.containerenv");
+ $config['docker'] = $isDocker;
+	
 /*
  * ====================
  *  Events (PHP 5.3.0+)