Initial commit.

author: Horus3 2014-11-16 21:20:41 +0100
committer: Horus3 2014-11-16 21:20:41 +0100
commit: 4168f7aff52f6e7cf7320e42252227dac5169c4a (patch)
tree: f73e5e93e8bc8d9b5ad8ef415b59ede323663f76 /linkshorter
download: tools.iamfabulous.de-4168f7aff52f6e7cf7320e42252227dac5169c4a.tar.gz
10 files changed, 337 insertions, 0 deletions
diff --git a/linkshorter/.gitignore b/linkshorter/.gitignore
new file mode 100644
index 0000000..f7f0c78
--- /dev/null
+++ b/linkshorter/.gitignore
@@ -0,0 +1,4 @@
+*.swp
+*~
+*.tmp
+*notmin*
diff --git a/linkshorter/db.php b/linkshorter/db.php
new file mode 100644
index 0000000..4dcf58a
--- /dev/null
+++ b/linkshorter/db.php
@@ -0,0 +1,16 @@
+<?php
+
+$db = new Redis();
+$db->connect('/var/run/redis/redis.sock');
+
+try { 
+	$db->ping();
+} catch (Exception $e){
+	do_output("<p>No connection to the database established.</p>", "500 Server Failure", false, "<h1>Redis went away</h1>");
+}
+
+try { 
+	$db->select(1);
+} catch (Exception $e){
+	do_output("<p>No connection to the database established.</p>", "500 Server Failure", false, "<h1>Redis went away</h1>");
+}
diff --git a/linkshorter/error.php b/linkshorter/error.php
new file mode 100644
index 0000000..92ba713
--- /dev/null
+++ b/linkshorter/error.php
@@ -0,0 +1,13 @@
+<?php
+
+require 'functions.php';
+ob_start("sanitize_output");
+
+switch($_GET["e"]){
+	case("404"):
+		do_output("<p><strong>The requested url ( ".htmlentities($_SERVER['REQUEST_URI'])." ) wasn't found on this server.</strong></p>", "404 Not Found", false, "<h1>400 - Not Found</h1>");
+		break;
+
+	default:
+		do_output("<p>There was a failure and your request can't be proceeded.</p>", "500 Error", false, "<h1>Error!</h1>");
+}
diff --git a/linkshorter/functions.php b/linkshorter/functions.php
new file mode 100644
index 0000000..f6f021a
--- /dev/null
+++ b/linkshorter/functions.php
@@ -0,0 +1,58 @@
+<?php
+
+function do_output($reason, $httpcode, $ajax = true,  $heading = NULL){
+	header ($_SERVER['SERVER_PROTOCOL'] . " " . $httpcode);
+	if( $ajax ){
+		echo $reason;
+		ob_end_flush();
+		exit;
+	}
+?>
+<!doctype html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<title>Link Shorter</title>
+	<!--style>html{position:relative;min-height:100%}body{margin-bottom:60px}.footer{position:absolute;bottom:0;width:100%}#copyright-text{text-decoration:underline;color:#333}</style-->
+	<style>
+	<?php echo file_get_contents("../tools/style.css"); ?>
+	</style>
+	<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
+	<link rel='shortcut icon' href='../tools/favicon.ico' type='image/x-icon'>
+	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+</head>
+	<?php require("../tools/navbar.php"); ?>
+<div class="container text-center pagination-centered">
+	<div class="row">
+		<?php echo $heading; ?>
+	<hr>
+	</div>
+	<div class="text-center">
+		<?php echo $reason; ?>
+	</div>
+</div>
+	<?php require("../tools/footer.php"); ?>
+</body>
+<?php
+	ob_end_flush();
+	exit;
+}
+
+function sanitize_output($buffer) {
+
+    $search = array(
+        '/\>[^\S ]+/s',  // strip whitespaces after tags, except space
+        '/[^\S ]+\</s',  // strip whitespaces before tags, except space
+        '/(\s)+/s'       // shorten multiple whitespace sequences
+    );
+
+    $replace = array(
+        '>',
+        '<',
+        '\\1'
+    );
+
+    $buffer = preg_replace($search, $replace, $buffer);
+
+    return $buffer;
+}
diff --git a/linkshorter/goto.php b/linkshorter/goto.php
new file mode 100644
index 0000000..d77e1e2
--- /dev/null
+++ b/linkshorter/goto.php
@@ -0,0 +1,13 @@
+<?php
+require 'functions.php';
+ob_start("sanitize_output");
+require 'db.php';
+
+$url = $db->get($_GET["goto"]);
+if( ! $url || $url == "" ){
+	do_output("<p>This url wasn't found on this server.</p>", "404 Not Found", false, "<h1>404 - Not found</h1>");
+}
+
+header($_SERVER['SERVER_PROTOCOL'] . " 301 Moved Permanently");
+header("Location: ".$url);
+exit;
diff --git a/linkshorter/header.php b/linkshorter/header.php
new file mode 100644
index 0000000..c207321
--- /dev/null
+++ b/linkshorter/header.php
@@ -0,0 +1,18 @@
+	<nav class="navbar navbar-default navbar-custom" role="navigation">
+		<div class="container">
+			<div class="navbar-header">
+				<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbarCollapse">
+					<span class="sr-only">Toggle navigation</span>
+					<span class="icon-bar"></span>
+				</button>
+				<a class="navbar-brand" href="/">Home</a>
+			</div>
+			<div class="collapse navbar-collapse" id="navbarCollapse">
+				<ul class="nav navbar-nav">
+					<li>	
+						<a href="/rules" >Help</a>
+					</li>
+				</ul>
+			</div>
+		</div>
+	</nav>
diff --git a/linkshorter/index.html b/linkshorter/index.html
new file mode 100644
index 0000000..62ff295
--- /dev/null
+++ b/linkshorter/index.html
@@ -0,0 +1,50 @@
+<!doctype html>
+<html>
+<head>
+<meta charset=utf-8>
+<title>Link Shorter</title>
+<link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'>
+<link rel=stylesheet href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
+<style>html{position:relative;min-height:100%}body{margin-bottom:60px}.footer{position:absolute;bottom:0;width:100%}#copyright-text{text-decoration:underline;color:#333}</style>
+<meta name=viewport content="width=device-width, initial-scale=1.0">
+</head>
+<nav class="navbar navbar-default navbar-custom" role=navigation>
+<div class=container>
+<div class=navbar-header>
+<button type=button class=navbar-toggle data-toggle=collapse data-target="#navbarCollapse">
+<span class=sr-only>Toggle navigation</span>
+<span class=icon-bar></span>
+</button>
+<a class=navbar-brand href="">Home</a>
+</div>
+</div>
+</nav>
+<div class=container>
+<div class=text-center>
+<div class="row center-block vertical-center">
+<form class="form-horizontal " method=POST action=insert>
+<fieldset>
+<legend class=text-centered><h1>Amazing Linkshorter</h1></legend>
+<div class=form-group>
+<label class="col-md-4 control-label" for=url>Link:</label>
+<div class=col-md-5>
+<input id=url name=url placeholder="http://www.moehm.org/" class="form-control input-md" required>
+</div>
+</div>
+<div class=form-group>
+<label class="col-md-4 control-label" for=singlebutton></label>
+<div class=col-md-4>
+<button id=singlebutton name=singlebutton class="btn btn-info" type=submit>Short!</button>
+</div>
+</div>
+</fieldset>
+</form>
+</div>
+</div>
+</div>
+<div class="footer text-right">
+<div class=container>
+<p> Copyright 2014 <a id=copyright-text href="//www.moehm.org/" target=_blank>Maximilian M&ouml;hring</a></p>
+</div>
+</div>
+</body>
diff --git a/linkshorter/index.php b/linkshorter/index.php
new file mode 100644
index 0000000..75ac9aa
--- /dev/null
+++ b/linkshorter/index.php
@@ -0,0 +1,108 @@
+<?php
+require 'functions.php';
+require 'db.php';
+
+ob_start("sanitize_output");
+
+if ( $_SERVER['REQUEST_METHOD'] != 'POST'){
+
+	$key = "lscache_" . md5( strtolower($_SERVER["HTTP_HOST"].$_SERVER["REQUEST_URI"].$_SERVER["QUERY_STRING"]));
+	if ( $db->exists($key) ) {
+		header("X-Cache: Hit");
+		echo $db->get($key);	
+		ob_end_flush();
+		exit;
+	}
+
+?>
+<!doctype html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<title>Link Shorter</title>
+	<!--style>html{position:relative;min-height:100%}body{margin-bottom:60px}.footer{position:absolute;bottom:0;width:100%}#copyright-text{text-decoration:underline;color:#333}</style-->
+	<style>
+	<?php echo file_get_contents("../tools/style.css"); ?>
+	</style>
+	<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
+	<link rel='shortcut icon' href='../tools/favicon.ico' type='image/x-icon'>
+	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+</head>
+	<?php require("../tools/navbar.php"); ?>
+	<div class="container"> 
+		<div class="text-center">
+			<div class="row center-block vertical-center">
+				<form class="form-horizontal " method="POST">
+					<fieldset>
+
+					<legend class="text-centered"><h1>Amazing Linkshorter</h1></legend>
+
+					<div class="form-group">
+					  <label class="col-md-4 control-label" for="url">Link:</label>  
+					  <div class="col-md-5">
+					  <input id="url" name="url" placeholder="http://www.moehm.org/" class="form-control input-md" required="" type="text">
+    
+					  </div>
+					</div>
+
+					<div class="form-group">
+					  <label class="col-md-4 control-label" for="short">(optional)</label>  
+					  <div class="col-md-4">
+					  <input id="short" name="short" placeholder="Your own query string here." class="form-control input-md" type="text">
+    
+					  </div>
+					</div>
+
+					<div class="form-group">
+					  <label class="col-md-4 control-label" for="singlebutton"></label>
+					  <div class="col-md-4">
+					    <button id="singlebutton" name="singlebutton" class="btn btn-info" type="submit">Short!</button>
+					  </div>
+					</div>
+
+					</fieldset>
+				</form>
+			</div>
+		</div>
+	</div>
+	<?php require("../tools/footer.php"); ?>
+</body>
+<?php
+	$html = ob_get_contents();
+	$db->set($key, $html, 3600);
+	ob_end_flush();
+
+} else {
+
+	if ( empty($_POST["url"]) || $_POST["url"] == "" ){
+		do_output("<p>We need a link to be shortened.</p>", "400 Client Failed", false, "<h1>Missing URL</h1>");
+	} 
+
+	if ( ! preg_match("/^[a-z]+:\/\/[a-z0-9_]+/i", $_POST["url"]) ){
+		do_output("<p>Only schemas like http:// or ftp:// are supported.</p>", "400 Client Failed", false, "<h1>This does not look like an url</h1>");
+	}
+
+
+	$hash = md5($_POST["url"]);
+	if( ! empty($_POST["short"]) && $_POST["short"] != "" ) {
+		$short = $_POST["short"];
+		if ( $db->exists($short) == 1 && $_POST["url"] != $db->get($short) )
+			do_output("<p>Someone else has already a registered entry under '".htmlentities($short)."'.</p>", "422 Unprocessable Entity", false, "<h1>Query string already exists.</h1>");
+	} else {
+		if( ! $short = $db->get($hash) ){
+				$arr = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9");
+
+			do {
+				$short="";
+				for ($i=0;$i<5;$i++){
+	        			$r = mt_rand(0, count($arr)-1);
+			        	$short.=$arr[$r];
+				}
+			} while ( $db->exists($short) );
+			$db->set($hash, $short);
+		}
+	}
+	$db->set($short, $_POST["url"]);
+
+	do_output("<p>Your short link for <a href=\"".htmlentities($_POST["url"])."\">".htmlentities($_POST["url"])."</a> is <br> http://".$_SERVER["HTTP_HOST"]."/".$short."</p>", "200 OK", false, "<h1>Success</h1>");
+}
diff --git a/linkshorter/insert.php b/linkshorter/insert.php
new file mode 100644
index 0000000..94d01a3
--- /dev/null
+++ b/linkshorter/insert.php
@@ -0,0 +1,36 @@
+<?php
+
+if ( $_SERVER['REQUEST_METHOD'] != 'POST'){
+	header($_SERVER['SERVER_PROTOCOL'] . " 301 Moved Permanently");
+	header("Location: http://". $_SERVER["HTTP_HOST"] . "/");
+	exit;
+}
+
+require 'functions.php';
+
+if ( empty($_POST["url"]) || $_POST["url"] == "" ){
+	failure("<p>We need a link to be shortened.</p>", false, "400 Client Failed", "<h1>Missing URL</h1>");
+} 
+
+if ( ! preg_match("/^[a-z]+:\/\/[a-z0-9_]+/i", $_POST["url"]) ){
+	failure("<p>Only schemas like http:// or ftp:// are supported.</p>", false, "400 Client Failed", "<h1>This does not look like an url</h1>");
+}
+
+require 'db.php';
+
+$hash = md5($_POST["url"]);
+if( ! $short = $db->get($hash)){
+
+	$arr = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9");
+
+	$short="";
+	for ($i=0;$i<5;$i++){
+        	$r = mt_rand(0, count($arr)-1);
+	        $short.=$arr[$r];
+	}
+
+	$db->set($short, $_POST["url"]);
+	$db->set($hash, $short);;
+}
+
+failure("<p>Your short link for <a href=\"".htmlentities($_POST["url"])."\">".htmlentities($_POST["url"])."</a> is <br> <a href=\"http://".$_SERVER["HTTP_HOST"] . "/-" . $short ."\">http://".$_SERVER["HTTP_HOST"]."/-".$short."</a></p>", false, "200 OK", "<h1>Success</h1>");
diff --git a/linkshorter/style.css b/linkshorter/style.css
new file mode 100644
index 0000000..c762039
--- /dev/null
+++ b/linkshorter/style.css
@@ -0,0 +1,21 @@
+html {
+	position: relative;
+	min-height: 100%;
+}
+
+body {
+	margin-bottom: 60px;
+}
+
+/* footer */
+
+.footer {
+    position: absolute;
+    bottom: 0;
+    width: 100%;
+}
+
+#copyright-text {
+    text-decoration: underline;
+    color: #333;
+}
author	Horus3	2014-11-16 21:20:41 +0100
committer	Horus3	2014-11-16 21:20:41 +0100
commit	4168f7aff52f6e7cf7320e42252227dac5169c4a (patch)
tree	f73e5e93e8bc8d9b5ad8ef415b59ede323663f76 /linkshorter
download	tools.iamfabulous.de-4168f7aff52f6e7cf7320e42252227dac5169c4a.tar.gz