<?php
if (!defined('SVRJS_MOD_DIRECTORY')) die;

// THIS PHP SCRIPT INCLUDE IS JUST FOR HTML PAGES! IT'S NOT INTENDED FOR OTHER FORMATS
ob_start();

// Disable caching
header("Cache-Control: no-store, no-cache, max-age=0, must-revalidate");
header("Pragma: no-cache");
if (COMPRESSION_ENABLED) {
  header("Vary: Accept-Encoding, Cookie");
} else {
  header("Vary: Cookie");
}

// Remove "Expires" header
header_remove("Expires");

// Enable session strict mode
ini_set('session.use_strict_mode', '1');

// Set session cookie flags
ini_set('session.cookie_httponly', '1');
if (isset($_SERVER['HTTPS'])) ini_set('session.cookie_secure', '1');

// Register the custom session handler
$sessionHandler = new MySQLSessionHandler($connection);
session_set_save_handler(
  array($sessionHandler, 'open'),
  array($sessionHandler, 'close'),
  array($sessionHandler, 'read'),
  array($sessionHandler, 'write'),
  array($sessionHandler, 'destroy'),
  array($sessionHandler, 'gc'),
  array($sessionHandler, 'create_sid'),
  array($sessionHandler, 'validate_sid')
);

if (session_start()) {
  setupHeaders();

  $csrfToken = "";
  if (isset($_SESSION['csrf'])) {
    $csrfToken = $_SESSION['csrf'];
  } else {
    if (function_exists('random_bytes')) {
      $csrfToken = bin2hex(random_bytes(32));
    } else {
      $csrfToken = '';
      for ($i = 0; $i < 32; $i++) {
        $csrfToken = $csrfToken . bin2hex(rand(0, 255));
      }
    }
    $_SESSION['csrf'] = $csrfToken;
  }

  if (isset($_SESSION['user'])) {
    $statement = $connection->prepare("SELECT id, username FROM users WHERE id = ? AND is_suspended = 0 AND is_deleted = 0 AND is_verified = 1");
    if (!$statement) {
      unset($_SESSION['user']);
    } else {
      $statement->bind_param("i", $_SESSION['user']);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result || !$result->fetch_assoc()) {
        unset($_SESSION['user']);
      }
    }
  }

  $segments = explode('/', isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : "/");
  array_shift($segments);

  if (count($segments) == 0 || (count($segments) == 1 && $segments[0] == '')) {
    header("Cache-Control: public, max-age=60");
    header_remove("Pragma");
    include 'page_index.php';
  } elseif (count($segments) == 1 && $segments[0] == 'tos') {
    header("Cache-Control: public, max-age=300");
    header_remove("Pragma");
    include 'page_tos.php';
  } elseif (count($segments) == 1 && $segments[0] == 'search') {
    include 'page_search.php';
  } elseif (count($segments) == 1 && $segments[0] == 'login') {
    include 'page_login.php';
  } elseif (count($segments) == 1 && $segments[0] == 'register') {
    include 'page_register.php';
  } elseif (count($segments) == 1 && $segments[0] == 'logout') {
    include 'page_logout.php';
  } elseif (count($segments) == 1 && $segments[0] == 'forgot-password') {
    include 'page_forgotpassword.php';
  } elseif (count($segments) == 1 && $segments[0] == 'confirm-password') {
    include 'page_confirmpassword.php';
  } elseif (count($segments) == 1 && $segments[0] == 'confirm-registration') {
    include 'page_confirmregistration.php';
  } elseif (count($segments) == 1 && $segments[0] == 'pending-mods') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      include 'page_pendingmods.php';
    }
  } elseif (count($segments) == 1 && $segments[0] == 'submit') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      include 'page_submit.php';
    }
  } elseif (count($segments) == 1 && $segments[0] == 'confirm-email') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      include 'page_confirmemail.php';
    }
  } elseif (count($segments) == 1 && $segments[0] == 'delete-account') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      $statement = $connection->prepare("SELECT id, username, password, is_moderator, email FROM users WHERE id = ?");
      if (!$statement) {
        http_response_code(500);
        include 'page_500.php';
      } else {
        $statement->bind_param('i', $_SESSION['user']);
        $statement->execute();

        $result = $statement->get_result();
        if (!$result) {
          http_response_code(500);
          include 'page_500.php';
          $statement->close();
        } else {
          $userData = $result->fetch_assoc();
          $statement->close();

          if (!$userData) {
            http_response_code(404);
            include 'page_404.php';
          } else {
            include 'page_deleteaccount.php';
          }
        }
      }
    }
  } elseif (count($segments) == 1 && $segments[0] == 'edit-profile') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      $statement = $connection->prepare("SELECT id, username, bio FROM users WHERE id = ?");
      if (!$statement) {
        http_response_code(500);
        include 'page_500.php';
      } else {
        $statement->bind_param('i', $_SESSION['user']);
        $statement->execute();

        $result = $statement->get_result();
        if (!$result) {
          http_response_code(500);
          include 'page_500.php';
          $statement->close();
        } else {
          $userData = $result->fetch_assoc();
          $statement->close();

          if (!$userData) {
            http_response_code(404);
            include 'page_404.php';
          } else {
            include 'page_editprofile.php';
          }
        }
      }
    }
  } elseif (count($segments) == 1 && $segments[0] == 'change-user-data') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      $statement = $connection->prepare("SELECT id, username, password, email, bio FROM users WHERE id = ?");
      if (!$statement) {
        http_response_code(500);
        include 'page_500.php';
      } else {
        $statement->bind_param('i', $_SESSION['user']);
        $statement->execute();

        $result = $statement->get_result();
        if (!$result) {
          http_response_code(500);
          include 'page_500.php';
          $statement->close();
        } else {
          $userData = $result->fetch_assoc();
          $statement->close();

          if (!$userData) {
            http_response_code(404);
            include 'page_404.php';
          } else {
            include 'page_changeuserdata.php';
          }
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'category') {
    $statement = $connection->prepare("SELECT id, name, slug FROM categories WHERE slug = ?");
    if (!$statement) {
      http_response_code(500);
      include 'page_500.php';
    } else {
      $statement->bind_param('s', $segments[1]);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result) {
        http_response_code(500);
        include 'page_500.php';
        $statement->close();
      } else {
        $categoryData = $result->fetch_assoc();
        $statement->close();

        if (!$categoryData) {
          http_response_code(404);
          include 'page_404.php';
        } else {
          header("Cache-Control: public, max-age=60");
          header_remove("Pragma");
          include 'page_category.php';
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'user') {
    $statement = $connection->prepare("SELECT
      users.id AS id,
      users.username AS username,
      users.bio AS bio,
      users.is_suspended AS is_suspended,
      users.is_deleted AS is_deleted,
      COUNT(mods.id) AS mods,
      COUNT(reviews.id) AS reviews
    FROM users
    LEFT JOIN mods ON mods.user = users.id
      AND mods.is_removed = 0
    LEFT JOIN (
      SELECT reviews.id, reviews.user FROM reviews
      JOIN (
         SELECT mods.id AS id FROM mods
         JOIN users ON users.id = mods.user AND users.is_verified = 1 AND users.is_deleted = 0 AND users.is_suspended = 0
      ) AS mods ON mods.id = reviews.mod
    ) AS reviews ON reviews.user = users.id
    WHERE users.is_verified = 1
    GROUP BY users.id
    HAVING LOWER(users.username) = LOWER(?);");
    if (!$statement) {
      http_response_code(500);
      include 'page_500.php';
    } else {
      $statement->bind_param('s', $segments[1]);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result) {
        http_response_code(500);
        include 'page_500.php';
        $statement->close();
      } else {
        $userData = $result->fetch_assoc();
        $statement->close();

        if (!$userData) {
          http_response_code(404);
          include 'page_404.php';
        } elseif ($userData['is_deleted']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_userdeleted.php';
        } elseif ($userData['is_suspended']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_usersuspended.php';
        } else {
          if (!isset($_SESSION['user'])) {
            header("Cache-Control: public, max-age=30");
            header_remove("Pragma");
          }
          include 'page_user.php';
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'user-mods') {
    $statement = $connection->prepare("SELECT
      users.id AS id,
      users.username AS username,
      users.bio AS bio,
      users.is_suspended AS is_suspended,
      users.is_deleted AS is_deleted,
      COUNT(mods.id) AS mods
    FROM users
    LEFT JOIN mods ON mods.user = users.id
      AND mods.is_removed = 0
    WHERE users.is_verified = 1
    GROUP BY users.id
    HAVING LOWER(users.username) = LOWER(?);");
    if (!$statement) {
      http_response_code(500);
      include 'page_500.php';
    } else {
      $statement->bind_param('s', $segments[1]);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result) {
        http_response_code(500);
        include 'page_500.php';
        $statement->close();
      } else {
        $userData = $result->fetch_assoc();
        $statement->close();

        if (!$userData) {
          http_response_code(404);
          include 'page_404.php';
        } elseif ($userData['is_deleted']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_userdeleted.php';
        } elseif ($userData['is_suspended']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_usersuspended.php';
        } else {
          header("Cache-Control: public, max-age=60");
          header_remove("Pragma");
          include 'page_usermods.php';
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'user-reviews') {
    $statement = $connection->prepare("SELECT
      users.id AS id,
      users.username AS username,
      users.bio AS bio,
      users.is_suspended AS is_suspended,
      users.is_deleted AS is_deleted,
      COUNT(reviews.id) AS reviews
    FROM users
    LEFT JOIN (
      SELECT reviews.id, reviews.user FROM reviews
      JOIN (
         SELECT mods.id AS id FROM mods
         JOIN users ON users.id = mods.user AND users.is_verified = 1 AND users.is_deleted = 0 AND users.is_suspended = 0
      ) AS mods ON mods.id = reviews.mod
    ) AS reviews ON reviews.user = users.id
    WHERE users.is_verified = 1
    GROUP BY users.id
    HAVING LOWER(users.username) = LOWER(?);");
    if (!$statement) {
      http_response_code(500);
      include 'page_500.php';
    } else {
      $statement->bind_param('s', $segments[1]);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result) {
        http_response_code(500);
        include 'page_500.php';
        $statement->close();
      } else {
        $userData = $result->fetch_assoc();
        $statement->close();

        if (!$userData) {
          http_response_code(404);
          include 'page_404.php';
        } elseif ($userData['is_deleted']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_userdeleted.php';
        } elseif ($userData['is_suspended']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_usersuspended.php';
        } else {
          header("Cache-Control: public, max-age=60");
          header_remove("Pragma");
          include 'page_userreviews.php';
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'mod') {
    $statement = $connection->prepare("SELECT
      mods.id AS id,
      mods.name AS name,
      mods.slug AS slug,
      mods.description AS description,
      categories.name AS category,
      categories.slug AS category_slug,
      mods.link AS link,
      mods.docs_link AS docs_link,
      mods.image_ext AS image_ext,
      mods.is_paid AS is_paid,
      mods.is_removed AS is_removed,
      users.is_suspended AS is_user_suspended,
      users.is_verified AS is_user_verified,
      users.is_deleted AS is_user_deleted,
      users.username AS user,
      users.id AS user_id,
      AVG(reviews.rating) AS rating,
      COUNT(reviews.id) AS reviews
    FROM mods
    LEFT JOIN categories ON categories.id = mods.category
    JOIN users ON users.id = mods.user
    LEFT JOIN (
      SELECT
        reviews.rating AS rating,
        reviews.id AS id,
        reviews.mod AS `mod`
       FROM reviews
      JOIN users ON users.id = reviews.user AND users.is_verified = 1 AND users.is_deleted = 0 AND users.is_suspended = 0
    ) AS reviews ON reviews.mod = mods.id
    WHERE mods.slug = ?
    GROUP BY mods.id;");
    if (!$statement) {
      http_response_code(500);
      include 'page_500.php';
    } else {
      $statement->bind_param('s', $segments[1]);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result) {
        http_response_code(500);
        include 'page_500.php';
        $statement->close();
      } else {
        $modData = $result->fetch_assoc();
        $statement->close();

        if (!$modData || !$modData['is_user_verified']) {
          http_response_code(404);
          include 'page_404.php';
        } elseif ($modData['is_removed'] || $modData['is_user_suspended'] || $modData['is_user_deleted']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_modremoved.php';
        } else {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          include 'page_mod.php';
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'edit-mod') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      $statement = $connection->prepare("SELECT
      mods.id AS id,
      mods.name AS name,
      mods.slug AS slug,
      mods.description AS description,
      mods.category AS category_id,
      mods.link AS link,
      mods.docs_link AS docs_link,
      mods.image_ext AS image_ext,
      mods.is_paid AS is_paid,
      mods.is_removed AS is_removed,
      users.is_suspended AS is_user_suspended,
      users.is_verified AS is_user_verified,
      users.is_deleted AS is_user_deleted,
      users.id AS user_id,
      0 AS pending
    FROM mods
    JOIN users ON users.id = mods.user
    WHERE mods.slug = ?;");
      if (!$statement) {
        http_response_code(500);
        include 'page_500.php';
      } else {
        $statement->bind_param('s', $segments[1]);
        $statement->execute();

        $result = $statement->get_result();
        if (!$result) {
          http_response_code(500);
          include 'page_500.php';
          $statement->close();
        } else {
          $currentModData = $result->fetch_assoc();
          $statement->close();

          if ($currentModData && !$currentModData['is_user_verified']) {
            http_response_code(404);
            include 'page_404.php';
          } elseif ($currentModData && ($currentModData['is_removed'] || $currentModData['is_user_suspended'] || $currentModData['is_user_deleted'])) {
            header("Cache-Control: public, max-age=300");
            header_remove("Pragma");
            http_response_code(410);
            include 'page_modremoved.php';
          } elseif ($currentModData && ($currentModData['user_id'] != $_SESSION['user'])) {
            header("Cache-Control: public, max-age=300");
            header_remove("Pragma");
            http_response_code(403);
            include 'page_editmodnotallowed.php';
          } else {
            $statement = $connection->prepare("SELECT
      mods_pending.id AS id,
      mods_pending.name AS name,
      mods_pending.slug AS slug,
      mods_pending.description AS description,
      mods_pending.category AS category_id,
      mods_pending.link AS link,
      mods_pending.docs_link AS docs_link,
      mods_pending.image_ext AS image_ext,
      mods_pending.is_paid AS is_paid,
      mods_pending.is_rejected AS is_rejected,
      users.is_suspended AS is_user_suspended,
      users.is_verified AS is_user_verified,
      users.is_deleted AS is_user_deleted,
      users.id AS user_id,
      1 AS pending
    FROM mods_pending
    JOIN users ON users.id = mods_pending.user
    WHERE mods_pending.slug = ?;");
            if (!$statement) {
              http_response_code(500);
              include 'page_500.php';
            } else {
              $statement->bind_param('s', $segments[1]);
              $statement->execute();

              $result = $statement->get_result();
              if (!$result) {
                http_response_code(500);
                include 'page_500.php';
                $statement->close();
              } else {
                $pendingModData = $result->fetch_assoc();
                $statement->close();

                $modDataToEdit = $pendingModData && !($currentModData && $pendingModData['is_rejected']) ? $pendingModData : $currentModData;

                if (!$modDataToEdit) {
                  http_response_code(404);
                  include 'page_404.php';
                } elseif ($modDataToEdit['user_id'] != $_SESSION['user']) {
                  header("Cache-Control: public, max-age=300");
                  header_remove("Pragma");
                  http_response_code(403);
                  include 'page_editmodnotallowed.php';
                } else {
                  include 'page_editmod.php';
                }
              }
            }
          }
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'reviews') {
    $statement = $connection->prepare("SELECT
    mods.id AS id,
    mods.name AS name,
    mods.slug AS slug,
    mods.description AS description,
    categories.name AS category,
    categories.slug AS category_slug,
    mods.link AS link,
    mods.docs_link AS docs_link,
    mods.image_ext AS image_ext,
    mods.is_paid AS is_paid,
    mods.is_removed AS is_removed,
    users.is_suspended AS is_user_suspended,
    users.is_verified AS is_user_verified,
    users.is_deleted AS is_user_deleted,
    users.username AS user,
    users.id AS user_id,
    users.email AS user_email,
    AVG(reviews.rating) AS rating,
    COUNT(reviews.id) AS reviews
  FROM mods
  LEFT JOIN categories ON categories.id = mods.category
  JOIN users ON users.id = mods.user
  LEFT JOIN (
      SELECT
        reviews.rating AS rating,
        reviews.id AS id,
        reviews.mod AS `mod`
       FROM reviews
      JOIN users ON users.id = reviews.user AND users.is_verified = 1 AND users.is_deleted = 0 AND users.is_suspended = 0
    ) AS reviews ON reviews.mod = mods.id
  WHERE mods.slug = ?
  GROUP BY mods.id;");
    if (!$statement) {
      http_response_code(500);
      include 'page_500.php';
    } else {
      $statement->bind_param('s', $segments[1]);
      $statement->execute();

      $result = $statement->get_result();
      if (!$result) {
        http_response_code(500);
        include 'page_500.php';
        $statement->close();
      } else {
        $modData = $result->fetch_assoc();
        $statement->close();

        if (!$modData || !$modData['is_user_verified']) {
          http_response_code(404);
          include 'page_404.php';
        } elseif ($modData['is_removed'] || $modData['is_user_suspended'] || $modData['is_user_deleted']) {
          header("Cache-Control: public, max-age=300");
          header_remove("Pragma");
          http_response_code(410);
          include 'page_modremoved.php';
        } else {
          if (!isset($_SESSION['user'])) {
            header("Cache-Control: public, max-age=30");
            header_remove("Pragma");
          }
          include 'page_reviews.php';
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'discard-mod') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      $statement = $connection->prepare("SELECT
      mods_pending.id AS id,
      mods_pending.name AS name,
      mods_pending.slug AS slug,
      mods_pending.description AS description,
      mods_pending.category AS category_id,
      mods_pending.link AS link,
      mods_pending.docs_link AS docs_link,
      mods_pending.image_ext AS image_ext,
      mods_pending.is_paid AS is_paid,
      mods_pending.is_rejected AS is_rejected,
      users.is_suspended AS is_user_suspended,
      users.is_verified AS is_user_verified,
      users.is_deleted AS is_user_deleted,
      users.id AS user_id
    FROM mods_pending
    JOIN users ON users.id = mods_pending.user
    WHERE mods_pending.slug = ?;");
      if (!$statement) {
        http_response_code(500);
        include 'page_500.php';
      } else {
        $statement->bind_param('s', $segments[1]);
        $statement->execute();

        $result = $statement->get_result();
        if (!$result) {
          http_response_code(500);
          include 'page_500.php';
          $statement->close();
        } else {
          $modDataToDiscard = $result->fetch_assoc();
          $statement->close();

          if (!$modDataToDiscard || !$modDataToDiscard['is_user_verified']) {
            http_response_code(404);
            include 'page_404.php';
          } elseif (($modDataToDiscard['is_removed'] || $modDataToDiscard['is_user_suspended'] || $modDataToDiscard['is_user_deleted'])) {
            header("Cache-Control: public, max-age=300");
            header_remove("Pragma");
            http_response_code(410);
            include 'page_modremoved.php';
          } elseif ($modDataToDiscard['user_id'] != $_SESSION['user']) {
            header("Cache-Control: public, max-age=300");
            header_remove("Pragma");
            http_response_code(403);
            include 'page_discardmodnotallowed.php';
          } else {
            include 'page_discardmod.php';
          }
        }
      }
    }
  } elseif (count($segments) == 2 && $segments[0] == 'remove-mod') {
    if (!isset($_SESSION['user'])) {
      header("Cache-Control: public, max-age=30");
      header_remove("Pragma");
      header('Location: ' . (URL_REWRITTEN ? APP_ROOT : APP_ROOT . APP_FILENAME . '/') . 'login?redirect=' . urlencode($_SERVER['REQUEST_URI']));
      http_response_code(302);
    } else {
      $statement = $connection->prepare("SELECT
    mods.id AS id,
    mods.name AS name,
    mods.slug AS slug,
    mods.description AS description,
    mods.category AS category_id,
    mods.link AS link,
    mods.docs_link AS docs_link,
    mods.image_ext AS image_ext,
    mods_pending.image_ext AS pending_image_ext,
    mods.is_paid AS is_paid,
    mods.is_removed AS is_removed,
    users.is_suspended AS is_user_suspended,
    users.is_verified AS is_user_verified,
    users.is_deleted AS is_user_deleted,
    users.id AS user_id
  FROM mods
  LEFT JOIN mods_pending ON mods.slug = mods_pending.slug
  JOIN users ON users.id = mods.user
  WHERE mods.slug = ?;");
      if (!$statement) {
        http_response_code(500);
        include 'page_500.php';
      } else {
        $statement->bind_param('s', $segments[1]);
        $statement->execute();

        $result = $statement->get_result();
        if (!$result) {
          http_response_code(500);
          include 'page_500.php';
          $statement->close();
        } else {
          $modDataToRemove = $result->fetch_assoc();
          $statement->close();

          if (!$modDataToRemove || !$modDataToRemove['is_user_verified']) {
            http_response_code(404);
            include 'page_404.php';
          } elseif (($modDataToRemove['is_removed'] || $modDataToRemove['is_user_suspended'] || $modDataToRemove['is_user_deleted'])) {
            header("Cache-Control: public, max-age=300");
            header_remove("Pragma");
            http_response_code(410);
            include 'page_modremoved.php';
          } elseif ($modDataToRemove['user_id'] != $_SESSION['user']) {
            header("Cache-Control: public, max-age=300");
            header_remove("Pragma");
            http_response_code(403);
            include 'page_removemodnotallowed.php';
          } else {
            include 'page_removemod.php';
          }
        }
      }
    }
  } else {
    http_response_code(404);
    include 'page_404.php';
  }

  if (session_id()) session_write_close();
} else {
  setupHeaders();
  http_response_code(500);
  include 'page_500.php';
}

if (ob_get_status()) {
  $content = ob_get_clean();

  if ($content && COMPRESSION_ENABLED && isset($_SERVER['HTTP_ACCEPT_ENCODING'])) {
    $acceptEncoding = array_map(function ($encoding) {
      return trim($encoding);
    }, explode(',', $_SERVER['HTTP_ACCEPT_ENCODING']));

    if (in_array('gzip', $acceptEncoding)) {
      $content = gzencode($content, 9);
      header('Content-Encoding: gzip');
    } elseif (in_array('deflate', $acceptEncoding)) {
      $content = gzdeflate($content, 9);
      header('Content-Encoding: deflate');
    }
  }

  echo $content;
}