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2020-06-08 12:41:39 +02:00 · 2020-06-08 12:41:39 +02:00 · 17c99c1e4c
commit 17c99c1e4c
parent 5bcfce5caa
1 changed files with 58 additions and 0 deletions
--- a/php/pasta.php
+++ b/php/pasta.php
@ -0,0 +1,58 @@
+<?php
+if(isset($_POST['link'])) {
+    $link = $_POST['link'];
+
+    //remove protocol, we're assuming its http
+    if(strstr($link, '://') != false){
+        $link = substr($link, strpos($link,'://') + strlen('://'));
+    }
+
+    //split the url into host (www.example.com) and requested page (index.php) on the first slash
+    $host = substr($link, 0, strpos($link, '/'));
+    $request = substr($link, strpos($link, '/'));
+
+    //open a socket connection to the site on port 80 (http protocol port)
+    $fp = @fsockopen($host, 80, $errno, $errstr);
+
+    if($fp == false){
+        $response = $errno . " " . $errstr;
+    }
+    else {
+        //create the request headers
+        $headers   = array();
+        $headers[] = 'HEAD ' . $request . ' HTTP/1.1';
+        $headers[] = 'Host: ' . $host;
+        $headers[] = 'Content-Length: 0';
+        $headers[] = 'Connection: close';
+        $headers[] = 'Content-Type: text/html';
+        $headers   = implode("\r\n", $headers) . "\r\n\r\n";
+
+        //send our request
+        if (!fwrite($fp, $headers)) {
+            fclose($fp);
+            $response = "Could not access webpage specified.";
+        }
+        else {
+            //read the response
+            $rsp = '';
+            while(!feof($fp)) { $rsp .= fgets($fp,8192); }
+            fclose($fp);
+            $hunks = explode("\r\n\r\n",trim($rsp));
+            $headers = explode("\n", $hunks[count($hunks) - 1]);
+            $response = trim($headers[0]);
+        }
+    }
+}
+?>
+<html>
+    <head>
+        <title>Test Link</title>
+    </head>
+    <body>
+        <?php if(isset($response)) {  echo $response;  } ?>
+        <form method="post">
+            <label for="link">Link</label>
+            <input id="link" type="text" name="link" />
+        </form>
+    </body>
+</html>