Autoformat (vim) anti-bot.php to use spaces instead of tabs and spaces

- enable anti-bot spam protection setting but comment out it's rejection
- will monitor the output log to check for false-positives and just see
  what it's rejecting...

inc/anti-bot.php

@@ -12,7 +12,12 @@ $logfile = "/tmp/lainchan_err.out";
 
 function print_err($s) {
   global $logfile;
-	file_put_contents($logfile, $s . "\n", FILE_APPEND);
+  $datetime = new Datetime();
+  file_put_contents(
+    $logfile,
+    $datetime->format(DateTime::ATOM) . " " . $s . "\n",
+    FILE_APPEND
+  );
 }
 
 function getStackTraceAsString() {
@@ -217,6 +222,13 @@ class AntiBot {
     // Use SHA1 for the hash
     return sha1($hash . $this->salt);
   }
+
+  public function printErrVars() { //DELETE ME
+    $inputs = $this->inputs;
+    ksort($inputs);
+
+    print_err("Antibot " . $this->hash() . " inputs: " . json_encode($inputs));
+  }
 }
 
 function _create_antibot($board, $thread) {
@@ -246,14 +258,43 @@ function _create_antibot($board, $thread) {
   $query->bindValue(':hash', $antibot->hash());
   $query->execute() or error(db_error($query));
 
+  $antibot->printErrVars();
+
   return $antibot;
 }
 
+function dumpVars($extra_salt) {
+  global $config;
+
+  print_err("Check Spam POST data: " . json_encode($_POST));
+
+    /*
+  foreach ($_POST as $name => $value) {
+        $is_valid_input = in_array($name, $config['spam']['valid_inputs']) ? "valid" : "invalid";
+        print_err(" $name: $value ($is_valid_input)");
+    }
+     */
+
+  if (!empty($extra_salt)) {
+    $extra_salt = implode(':', $extra_salt);
+  } else { 
+    $extra_salt = '';
+  }
+
+  print_err("extra_salt: $extra_salt");
+}
+
 function checkSpam(array $extra_salt = array()) {
   global $config, $pdo;
 
-	if (!isset($_POST['hash']))
+  #print_err("checkSpam start");
+  $extra_salt_orig = $extra_salt;
+
+  if (!isset($_POST['hash'])) {
+    print_err("checkSpam: _POST array doesn't have key 'hash', check failed.");
+    dumpVars($extra_salt_orig);
     return true;
+  }
 
   $hash = $_POST['hash'];
 
@@ -291,6 +332,8 @@ function checkSpam(array $extra_salt = array()) {
   $_hash = sha1($_hash . $extra_salt);
 
   if ($hash != $_hash) {
+    print_err("checkSpam: Hash values do not match! submitted hash value from POST data: $hash ; Computed hash value: $_hash");
+    dumpVars($extra_salt_orig);
     return true;
   }
 
@@ -299,6 +342,8 @@ function checkSpam(array $extra_salt = array()) {
   $query->execute() or error(db_error($query));
   if ((($passed = $query->fetchColumn(0)) === false) || ($passed > $config['spam']['hidden_inputs_max_pass'])) {
     // there was no database entry for this hash. most likely expired.
+    print_err("checkSpam: there was no database entry for this hash. most likely expired. $hash");
+    dumpVars($extra_salt_orig);
     return true;
   }
 

inc/instance-config.php

@@ -132,7 +132,7 @@ $config['post_date'] = '%F (%a) %T';
 
 $config['thread_subject_in_title'] = true;
 
-$config['spam']['enabled'] = false;
+$config['spam']['enabled'] = true;
 $config['spam_noticer']['enabled'] = true;
 $config['spam_noticer']['base_url'] = 'http://localhost:8300';
 $config['spam_noticer']['ui_url'] = 'https://spamnoticer.leftychan.net/static/index.html';

post.php

@@ -579,9 +579,11 @@ function handle_post(){
             );
             //$post['antispam_hash'] = checkSpam();
 
+            /*
             if ($post['antispam_hash'] === true) {
                 error($config['error']['spam']);
             }
+            */
         }
     
         if ($config['robot_enable'] && $config['robot_mute']) {