various minor changes + blog post

a bunch of minor alterations, of particular import
is the new blog post and the IP banning function
I added to the guestbook

1 files changed, 26 insertions, 2 deletions

diff --git a/guestbook/submit.php b/guestbook/submit.php
index 7fab0d5..0e53fb3 100644
--- a/guestbook/submit.php
+++ b/guestbook/submit.php
@@ -1,10 +1,31 @@
 <?php
+
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
   include($_SERVER['DOCUMENT_ROOT'] . '/common.php');
   if ($_SERVER["REQUEST_METHOD"] == "POST") {
 
+    $bansfp = '/var/www/data/ipbans.json';
+    $ipbans = json_decode(file_get_contents($bansfp), $assoc = true);
+    $sourceip = $_SERVER['REMOTE_ADDR'];
+
     $returnCode = "success";
-    if($_POST["botcheck"] != "isopod" or $_POST['msg']) {
+    if(isset($ipbans[$sourceip]) and $ipbans[$sourceip]["bannedmanually"]) {
+      $returnCode = "banned";
+      header("Location: https://www.youtube.com/watch?v=dQw4w9WgXcQ");
+      die();
+    } else if($_POST["botcheck"] != "isopod" or $_POST['msg']) {
       $returnCode = "botcheckfailed";
+
+      $bf = 1;
+      if(isset($ipbans[$sourceip])) {
+        $bf = $ipbans[$sourceip]["botfails"] + 1;
+      }
+      $ipbans[$sourceip] = array( "botfails" => $bf,  "bannedmanually" => false );
+      file_put_contents($bansfp, json_encode($ipbans, JSON_PRETTY_PRINT));
+
     } else if(!$_POST["name"]) {
       $returnCode = "noname";
     } else if(!$_POST["message"]) {
@@ -24,13 +45,16 @@
           $modstatus = 0;
         }
       }
+      if(isset($ipbans[$sourceip]) and $ipbans[$sourceip]["botfails"] >= 5) {
+        $modstatus = 0;
+      }
       if($modstatus < 1) {
         $returnCode = "review";
       }
 
       $currentPost = array(
         "entry" => $_POST["entry"],
-        "sourceip" => $_SERVER['REMOTE_ADDR'],
+        "sourceip" => $sourceip,
         "date" => time(),
         "name" => $_POST["name"],
         "message" => $_POST["message"],