From: Richard Whitehouse <github@richardwhiuk.com>
Date: Sun, 13 Feb 2011 02:30:24 +0000 (+0000)
Subject: Moved index.php functionality to ical.php. index.php now contains primitive front... 
X-Git-Url: https://git.richardwhiuk.com/?a=commitdiff_plain;h=refs%2Fheads%2Fmaster;p=ical-relay.git

Moved index.php functionality to ical.php. index.php now contains primitive front end. Added caching to allow for future development
---

diff --git a/cache/.gitignore b/cache/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/ical.php b/ical.php
new file mode 100644
index 0000000..e79ac41
--- /dev/null
+++ b/ical.php
@@ -0,0 +1,116 @@
+<?php
+
+$url = null;
+
+require 'config.php';
+
+if(!isset($url)){
+
+	if(!isset($_GET['url'])){
+		header('Location: index.php');
+	}
+
+	$url = $_GET['url'];
+	$type = md5($url);
+}
+
+$file = file($url);
+
+$directives = array();
+
+// Write a cache file for debugging
+
+$fp = fopen('cache/' . $type . '-' . time() . '.ics', 'w');
+
+if(!isset($_GET['debug'])){
+	header('Content-type: text/calendar;charset=utf-8');
+	header('Content-Disposition: attachment; filename=relay.ics');
+	foreach($file as $line){
+		echo $line;
+		fwrite($fp, $line);
+	}	
+	fclose($fp);
+	exit;
+}
+
+header('Content-type: text/plain; charset=utf-8');
+
+$d = -1;
+
+foreach($file as $line){
+	$line = rtrim($line, "\r\n");
+	if($line[0] == "\t" || $line[0] == " "){
+		$directives[$d] .= substr($line,1);
+	} else {
+		$d ++;
+		$directives[$d] = $line;
+	}
+}
+
+// sanity check
+
+if(
+	($directives[0] != 'BEGIN:VCALENDAR') ||
+	($directives[$d] != 'END:VCALENDAR')
+){
+	exit('INVALID .ICAL FILE');
+}
+
+$ical = new ical_obj();
+
+$current = $ical;
+
+class ical_obj {
+	public $_type = NULL;
+	public $_parent = NULL;
+	private $_data = array();
+	function __isset($name){
+		return isset($this->_data[$name]);
+	}
+	function __get($name){
+		return $this->_data[$name];
+	}
+	function __set($name, $value){
+		return ($this->_data[$name][] = $value);
+	}
+	function __unset($name){
+		unset($this->_data[$name]);
+	}
+	function display($t = 0){
+		foreach($this->_data as $k => $l){
+			foreach($l as $v){
+				for($i = 0; $i < $t; $i ++){ echo "\t"; }
+				echo $k . ': ';
+				if(is_object($v)){
+					echo "\r\n";  $v->display($t + 1);
+				} else {
+					echo $v . "\r\n";
+				}
+			}
+		}
+	}
+}
+
+foreach($directives as $line){
+	$directive = explode(':', $line, 2);
+	if($directive[0] == 'BEGIN'){
+		$child = new ical_obj();
+		$child->_type = $type = $directive[1];
+		$child->_parent = $current;
+		$current->$type = $child;
+		$current = $child;
+	} elseif($directive[0] == 'END'){
+		if($current->_type != $directive[1]){
+			exit('INVALID .ICAL FILE');
+		}
+		$current = $current->_parent;
+	} else {
+		$type = $directive[0];
+		$current->$type = $directive[1];
+	}
+}
+
+$ical->display();
+
+fclose($fp);
+
diff --git a/index.php b/index.php
index 3f41850..9faa6f5 100644
--- a/index.php
+++ b/index.php
@@ -1,87 +1,12 @@
-<?php
-
-$url = $_GET['url'];
-
-$file = file($url);
-
-$directives = array();
-
-header('Content-type: text/plain; charset=utf-8');
-
-$d = -1;
-
-foreach($file as $line){
-	$line = rtrim($line, "\r\n");
-	if($line[0] == "\t" || $line[0] == " "){
-		$directives[$d] .= substr($line,1);
-	} else {
-		$d ++;
-		$directives[$d] = $line;
-	}
-}
-
-// sanity check
-
-if(
-	($directives[0] != 'BEGIN:VCALENDAR') ||
-	($directives[$d] != 'END:VCALENDAR')
-){
-	exit('INVALID .ICAL FILE');
-}
-
-$ical = new ical_obj();
-
-$current = $ical;
-
-class ical_obj {
-	public $_type = NULL;
-	public $_parent = NULL;
-	private $_data = array();
-	function __isset($name){
-		return isset($this->_data[$name]);
-	}
-	function __get($name){
-		return $this->_data[$name];
-	}
-	function __set($name, $value){
-		return ($this->_data[$name][] = $value);
-	}
-	function __unset($name){
-		unset($this->_data[$name]);
-	}
-	function display($t = 0){
-		foreach($this->_data as $k => $l){
-			foreach($l as $v){
-				for($i = 0; $i < $t; $i ++){ echo "\t"; }
-				echo $k . ': ';
-				if(is_object($v)){
-					echo "\r\n";  $v->display($t + 1);
-				} else {
-					echo $v . "\r\n";
-				}
-			}
-		}
-	}
-}
-
-foreach($directives as $line){
-	$directive = explode(':', $line, 2);
-	if($directive[0] == 'BEGIN'){
-		$child = new ical_obj();
-		$child->_type = $type = $directive[1];
-		$child->_parent = $current;
-		$current->$type = $child;
-		$current = $child;
-	} elseif($directive[0] == 'END'){
-		if($current->_type != $directive[1]){
-			exit('INVALID .ICAL FILE');
-		}
-		$current = $current->_parent;
-	} else {
-		$type = $directive[0];
-		$current->$type = $directive[1];
-	}
-}
-
-$ical->display();
-
+<!DOCTYPE html>
+<html>
+<head>
+	<title>iCal Relay</title>
+</head>
+<body>
+<form action="ical.php" method="get">
+	<p>URL: <input type="text" value="" name="url"></p>
+	<p><input type="submit" value="Relay!"></p>
+</form>
+</body>
+</html>