hpr_hub/cms/comment_checks.php

<?php
  if ( empty($json["comment_author_name"]) or strlen($json["comment_author_name"]) > 40 ) {
    naughty("15f377e657196bb8192ec11755b0ca75 empty comment_author_name");
  }
  $comment_author_name = $json["comment_author_name"];

  if ( empty($json["comment_title"])  or strlen($json["comment_title"]) > 100) {
    naughty("ce604e6bf3c1e0aa0ec7ab78ae07e6cb empty comment_title");
  }
  $comment_title = $json["comment_title"];

  if ( empty($json["comment_text"])  or strlen($json["comment_text"]) > 2000 ) {
    naughty("d4101542e2d0264c0cdb8ac4bdf6bf09 empty comment_text");
  }
  $comment_text = $json["comment_text"];

  if ( $json["justification"] !== "Current Comment" ) {
    if ( empty($json["justification"]) or strlen($json["justification"]) > 200 or strlen($json["justification"]) < 20 ) {
      naughty("f87785f8eda5d75de8cb08c386c66c56 empty justification");
    }
  }
  $justification = $json["justification"];

  if ( empty($json["key"]) ) {
    naughty("f87785f8eda5d75de8cb08c386c66c56 empty key");
  }
  
  if ( $key !== $json["key"] ) {
    naughty("9d7f5e1a7a075a925ed1231decc16965 provided key \"$key\" is not matching json key \"". $json["key"] . "\"");
  }

  //  check ip //
  //
  if ( empty($json["ip"]) ) {
    naughty("025622ea15552a7b8a3ae71405cf1fbf empty ip");
  }

  $ip = $json["ip"];

  if ( ! filter_var($ip, FILTER_VALIDATE_IP)) {
    naughty("571f2d51046da9c923e01ae8bbfc037e not an IP");
  }

  // check ep_num //
  // 
  if ( empty($json["eps_id"]) ) {
    naughty("6740e9b34590fe5b8f1829aeb5da099d empty eps_id");
  }
  $ep_num = $json["eps_id"];
  
  if ( intval($ep_num) === 0 ) {
    naughty("fdae5c63eb5608820b13c9d096166c84 ep_num not int");
  }
  else {
    $ep_num = intval($ep_num);
  }
  
  if ( ( $ep_num <= 0 ) OR ( $ep_num >= 9999) ) {
    naughty("eb90a1a69fd531d5c649e3f5367bd570 ep_num outside range");
  }
    
  $ep_retrieve = "SELECT id FROM eps WHERE id=$ep_num;";
  
  if ($result = mysqli_query($connection, $ep_retrieve)) {    
    if ( ! $result->fetch_assoc()) {
      naughty("b9ac28c5c661d7ed1c4c009de0279e07 ep_num not a real show");
    }
  }

  // date //
  //
  
  if ( empty($json["comment_timestamp"]) ) {
    naughty("bdc8352b3cc66626c3cb9e24b197eea6 empty comment_timestamp");
  }
  $comment_timestamp = $json["comment_timestamp"];

  // 2023-12-23T12:21:29Z
  if ( !preg_match("/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z$/", $comment_timestamp) ) {
    naughty("ad7f805c2f42be77122ec52f114fe318 comment_timestamp not matching regex");
  }

  if ( strtotime($comment_timestamp) === false ) {
    naughty("fa8cfb5266783bfb4dc06120bfdf5675 comment_timestamp not a date");
  }
  
  $comment_timestamp_epoch = strtotime($comment_timestamp);
  $a_week_ago = strtotime(date("Y-m-d H:i:s", time()) . " -1 week" );
  
// if ( $comment_timestamp_epoch <= $a_week_ago ) {
//   naughty("f3fae30aec607f499108db240ec28456 comment_timestamp older than a week");
// }
  
  $date = new DateTime( $comment_timestamp );
  $comment_timestamp_db = $date->format('Y-m-d H:i:s');
  
  // anti spam
  
  if (file_exists($naughty_stings_file)) {
    $comment = strtolower( "$comment_author_name, $comment_text, $comment_title, $justification" );
    $naughty_words = file("$naughty_stings_file", FILE_SKIP_EMPTY_LINES|FILE_IGNORE_NEW_LINES);
    foreach ( $naughty_words as $naughty_word) {
      if ( strpos( $comment, strtolower( $naughty_word ) ) !== false ) {
        naughty("b5fd199bfeb4c1bbd4923b4af5415ce3 fails banned wordcheck \"$naughty_word\"");
      }
    }
  }
  
  if ( $comment_author_name === preg_replace('/[^a-zA-Z0-9_ ]/', '', $comment_author_name) ) {
    $comment_author_name_ascii = "ASCII";
  }
  else {
    $comment_author_name_ascii = "EXTENDED";
  }

  if ( $comment_title === preg_replace('/[^a-zA-Z0-9_ ]/', '', $comment_title) ) {
    $comment_title_ascii = "ASCII";
  }
  else {
    $comment_title_ascii = "EXTENDED";
  }

  if ( $comment_text === preg_replace('/[^a-zA-Z0-9_ ]/', '', $comment_text) ) {
    $comment_text_ascii = "ASCII";
  }
  else {
    $comment_text_ascii = "EXTENDED";
  }

  if ( $justification === preg_replace('/[^a-zA-Z0-9_ ]/', '', $justification) ) {
    $justification_ascii = "ASCII";
  }
  else {
    $justification_ascii = "EXTENDED";
  }

  $comment_author_name_json = json_encode( $comment_author_name );
  
  $comment_title_json = json_encode( $comment_title );
  
  $comment_text_json = json_encode( $comment_text );
  
  $justification_json = json_encode( $justification );
  
  $comment_timestamp_json = json_encode( $comment_timestamp );
  
  $comment_key_json = json_encode( $key );
  
?>