<?php
require "/home/hpr/php/include.php";

date_default_timezone_set('UTC');

if ( $_SERVER['REQUEST_METHOD'] !== 'GET' ) {
  naughty("5c965856fd6e1af9256c04d400698fae not GET methog"); 
}

$num_get_args=0;

foreach($_GET as $k => $v) { 
  ++$num_get_args; 
}
if ( $num_get_args !== 2 ){
  # they are trying to GET on a POST request
  naughty("638709cc1d7f107c024eb2a663675e8c num_get_args $num_get_args");
}

if ( empty($_GET["key"]) or empty($_GET["action"]) ) {
  naughty("991ce46448d64b90bc8a837b58b7ad20 missing key");
}

if ( empty($_GET["key"]) or strlen($_GET["key"]) !== 45  ) {
  naughty("c9e5ea8d870dda8db08bc570cbed7f84 wrong key length");
}

if ( !empty($_GET["key"]) and 
    isset( $_GET['key'] ) and 
    strlen( $_GET['key'] ) ===  45 and 
    strlen( htmlspecialchars( stripslashes( strip_tags( $_GET['key'] ) ) ) ) ===  45 and 
    ctype_xdigit( $_GET['key'] ) 
  ) {
  $key = htmlspecialchars( stripslashes( strip_tags( $_GET['key'] ) ) );
}
else {
  naughty("868d9cc49b2f1e4a9319a8e8755d6189 wrong key type");
}

if ( !in_array($_GET["action"], array('approve','delete','block'), true ) ) {
  naughty("c0ca62c918f9bb0ab72da0cdf2f2e8df wrong action");
}
else {
    $action = $_GET["action"];
}

if ( ! file_exists( $comment_directory ) ) {
  # Looks like the comments directory has not been created
  naughty("0fdffa1dbe94e0730cef457be93ebf40 cant find comment directory");
}

$files = glob( "${comment_directory}/[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]T[0-9][0-9]:[0-9][0-9]:[0-9][0-9]Z_*_${key}.json" );
if (count($files) === 0) {
  naughty("3efef2971727905064855d7866cb0059 cant find comment file - has the comment already been processed ?");
}
else {
  $file = $files[0];
}

list($begin, $file_ip, $end) = explode('_', $file);

if ( ! filter_var($file_ip, FILTER_VALIDATE_IP) ) {
  naughty("70ebe39c92b393c288e41a4d3128b5da not a valid file format");
}

if ( $action === 'block' ) {
  file_put_contents($naughtyfile, date('Y-m-d\TH:i:s\Z') . "\t${file_ip}\tReported as comment spammer\t${key}\n", FILE_APPEND | LOCK_EX );
  unlink( "${file}" );
  $db["http_code"] = "201";
  $db["action"] = "block";
  http_response_code(201);
  header('Content-Type: application/json; charset=utf-8');
  echo json_encode($db);
  exit;
}

if ( $action === 'delete' ) {
  unlink( "${file}" );
  $db["http_code"] = "202";
  $db["action"] = "delete";
  http_response_code(202);
  header('Content-Type: application/json; charset=utf-8');
  echo json_encode($db);
  unlink( "${file}" );
  exit;
}

if ( $action === 'approve' ) {
  $comment = file_get_contents("$file");

  $json = json_decode($comment, true);
  
  require "/home/hpr/public_html_hub/cms/comment_checks.php";
  
  // OK I believe you
  
  if ( strcmp($justification, "No justification is asked for or required.") !== 0 ) {
    file_put_contents($justification_file, "$justification\n", FILE_APPEND | LOCK_EX );
  }
  
  $ep_retrieve = "SELECT id FROM comments WHERE comment_timestamp='$comment_timestamp' AND comment_author_name='$comment_author_name'";
  
  if ($result = mysqli_query($connection, $ep_retrieve)) {    
    if ( $result->fetch_assoc()) {
      naughty("9422f4e06ded59e4e7c2e426e62ffa5e comment already in database. comment_timestamp='$comment_timestamp_db' and comment_author_name='$comment_author_name'");
    }
  }
  
  $query_add = "INSERT INTO comments (eps_id,comment_timestamp,comment_author_name,comment_title,comment_text) VALUES ( '{$ep_num}', '{$comment_timestamp_db}', '{$comment_author_name}', '{$comment_title}', '{$comment_text}')";

  $result = mysqli_query($connection, $query_add );
  if(!$result) {
    problem("ERROR: DB problem - The comment was not added to the db.");
  }
  if (mysqli_errno( $connection )) {
    $error = "MySQL error ".mysqli_errno( $connection ).": ".mysqli_error()."\n";
    problem("ERROR: MySQL error- The comment was not added to the db.\n$error");
  }
 
  $query = "SELECT * FROM comments WHERE comment_timestamp='$comment_timestamp_db' AND comment_author_name='$comment_author_name'";
  $result = @mysqli_query($connection, $query);
  $db = mysqli_fetch_array($result, MYSQLI_ASSOC);

  if ( empty($db["id"]) ) {
    naughty("1caead2716fb4e793b11f978eddd7559 could not find the id of the entry. comment_timestamp='$comment_timestamp_db' and comment_author_name='$comment_author_name'");
  }
  $db["http_code"] = "200";
  $db["action"] = "approve";
  http_response_code(200);
  header('Content-Type: application/json; charset=utf-8');
  echo json_encode($db);
  unlink( "${file}" );
  exit;
}

//   exit;
http_response_code(500);
?>