total guestbook overhaul + new blog post + etc

- Added /about/pronouns/ in leiu of something like
  a pronouns.cc profile
- New blog post about my new and improved AI
  opinions
- Moved Stop Using Chromium to an actual blog post
  page
- Blog posts now have previous and next buttons
- New /blog/ background
- Moved status.cafe widget from /blog/ to landing
  page
- Total overhaul of guestbook:
  - Merged guestbook and blog comment section code
  - Beefed up bot protection
  - Added a word filter
  - Added a property to entries to facilitate
    holding comments for review and approving or
    denying them manually (The interface for this
    is somewhere else)
  - IP address from which a post originates is now
    tracked in order to IP ban malicious actors
- Various new buttons
- Updated /greenhouse/
- The site is now a member of the No AI Webring
- a couple minor CSS fixes

1 files changed, 34 insertions, 47 deletions

diff --git a/guestbook/submit.php b/guestbook/submit.php
index 09d0404..7fab0d5 100644
--- a/guestbook/submit.php
+++ b/guestbook/submit.php
@@ -1,69 +1,56 @@
 <?php
+  include($_SERVER['DOCUMENT_ROOT'] . '/common.php');
   if ($_SERVER["REQUEST_METHOD"] == "POST") {
-    
+
     $returnCode = "success";
-    if($_POST["botcheck"] != "isopod") {
+    if($_POST["botcheck"] != "isopod" or $_POST['msg']) {
       $returnCode = "botcheckfailed";
     } else if(!$_POST["name"]) {
       $returnCode = "noname";
     } else if(!$_POST["message"]) {
       $returnCode = "nomessage";
-    } else if($_POST["website"] and !preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $_POST["website"])) {
-      $returnCode = "invalidwebsite";
-    } else if($_POST["cool"] and !preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $_POST["cool"])) {
+    } else if(
+      $_POST["website"] and !preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $_POST["website"])
+      or $_POST["cool"] and !preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $_POST["cool"])
+    ) {
       $returnCode = "invalidlink";
     } else {
-
       date_default_timezone_set("America/Edmonton");
+      $modstatus = $defaultmodstatus;
+      $bannedwords = json_decode(file_get_contents($datadir."bannedwords.json"));
+      $bwspotted = false;
+      foreach($bannedwords as $word) {
+        if(preg_grep($word, $_POST)) {
+          $modstatus = 0;
+        }
+      }
+      if($modstatus < 1) {
+        $returnCode = "review";
+      }
+
       $currentPost = array(
+        "entry" => $_POST["entry"],
+        "sourceip" => $_SERVER['REMOTE_ADDR'],
         "date" => time(),
-        "name" => htmlentities($_POST["name"]),
-        "message" => htmlentities($_POST["message"]),
-        "found" => htmlentities($_POST["found"]),
+        "name" => $_POST["name"],
+        "message" => $_POST["message"],
+
+        "found" => $_POST["found"],
         "website" => $_POST["website"],
         "cool" => $_POST["cool"],
-        "reply" => ""
+        "reply" => "",
+        "modstatus" => $modstatus
       );
       
-      $filename = "posts.json";
-
-      $handle = @fopen($filename, 'r+');
-
-      // create the file if needed
-      if ($handle === null)
-      {
-          $handle = fopen($filename, 'w+');
-      }
-
-      if ($handle)
-      {
-          // seek to the end
-          fseek($handle, 0, SEEK_END);
-
-          // are we at the end of is the file empty
-          if (ftell($handle) > 0)
-          {
-              // move back a byte
-              fseek($handle, -2, SEEK_END);
-
-              // add the trailing comma
-              fwrite($handle, ",\n", 2);
-
-              // add the new json string
-              fwrite($handle, json_encode($currentPost) . "]\n");
-          }
-          else
-          {
-              // write the first event inside an array
-              fwrite($handle, json_encode(array($currentPost)));
-          }
-
-              // close the handle on the file
-              fclose($handle);
-      }
+      $filename = $datadir."posts.json";
+      $extantPosts = json_decode(file_get_contents($filename));
+      array_push($extantPosts, $currentPost);
+      file_put_contents($filename, json_encode($extantPosts, JSON_PRETTY_PRINT));
+      
     }
   }
-  header("Location: ./?return=$returnCode");
+  $referrer = preg_replace("/\?.*/", "", $_SERVER['HTTP_REFERER']);
+  header("Location: $referrer?return=$returnCode");
 ?>
 <!DOCTYPE html>
 <html lang="en">