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2022-10-06 22:04:13 +02:00
commit 4bc486fd92
487 changed files with 19040 additions and 0 deletions
@@ -0,0 +1,72 @@
+<?php 
+
+/*
+	The Cache class reads and writes complete pages from the cache. 
+	The name of a cache file is based on its URL
+*/
+
+class Cache {
+	private $fileName = '';
+	private $path = '';
+	private $enabled = true;
+	private $captured = false;
+	
+	public function __construct( $path, $pageName ) {
+		$this->path = $path;
+		$this->fileName = $this->path . strtr( $pageName, '?&', '--' ) . '.html';
+		
+		if( $_SERVER['REQUEST_METHOD'] != 'GET' ) {
+			$this->enabled = false;
+		}
+	}
+	
+	public function disable() {
+		$this->enabled = false;
+	}
+	
+	public function forceEnable() {
+		$this->enabled = true;
+	}
+	
+	public function lookup() {
+		if( $this->enabled && file_exists($this->fileName) ) {
+			$fp = fopen($this->fileName, 'rb');
+			fpassthru($fp);
+			fclose($fp);
+			exit();
+		}
+	}
+	
+	public function capture() {
+		if( $this->enabled ) {
+			ob_start();
+			$this->captured = true;
+		}
+	}
+	
+	public function clear( $pattern = '' ) {
+		require_once( 'lib/filesystem.php' );
+		if( empty($pattern) && !empty($this->path) ) {
+			Filesystem::rmdirr( $this->path, true );
+		} else {
+			$files = glob( $this->path . 'all/view/' . strtr( $pattern, '?&', '--' ) . '.html' );
+			foreach( $files as $f ) {
+				unlink( $f  );
+			}
+			$files = glob( $this->path . 'user/*/view/' . strtr( $pattern, '?&', '--' ) . '.html' );
+			foreach( $files as $f ) {
+				unlink( $f  );
+			}
+		}
+	}
+	
+	public function write() {
+		if( $this->captured ) {
+			require_once( 'lib/filesystem.php' );
+			Filesystem::mkdirr( dirname($this->fileName) );
+			file_put_contents( $this->fileName, ob_get_contents() );
+		}
+	}
+}
+
+?>