Upload files to 'classes'

classes/textarea_preview.class.php

  * This super class is used to manage the ammount of textareas there are and to
  * generate the required JavaScript that enables the previews to work.
  */
-class TEXTAREA_PREVIEW_SUPER {
-  /**
-   * @static
-   * @var int $Textareas Total number of textareas created
-   */
-  protected static $Textareas = 0;
-
-  /**
-   * @static
-   * @var array $_ID Array of textarea IDs
-   */
-  protected static $_ID = [];
-
-  /**
-   * @static
-   * @var bool For use in JavaScript method
-   */
-  private static $Exectuted = false;
-
-  /**
-   * This method should only run once with $all as true and should be placed
-   * in the header or footer.
-   *
-   * If $all is true, it includes TextareaPreview and jQuery
-   *
-   * jQuery is required for this to work, include it in the headers.
-   *
-   * @static
-   * @param bool $all Output all required scripts, otherwise just do iterator()
-   * @example <pre><?php TEXT_PREVIEW::JavaScript(); ?></pre>
-   * @return void
-   */
-  public static function JavaScript ($all = true) {
-    if (self::$Textareas === 0) {
-      return;
-    }
-    if (self::$Exectuted === false && $all) {
-      View::parse('generic/textarea/script.phtml');
+class TEXTAREA_PREVIEW_SUPER
+{
+    /**
+     * @static
+     * @var int $Textareas Total number of textareas created
+     */
+    protected static $Textareas = 0;
+
+    /**
+     * @static
+     * @var array $_ID Array of textarea IDs
+     */
+    protected static $_ID = [];
+
+    /**
+     * @static
+     * @var bool For use in JavaScript method
+     */
+    private static $Exectuted = false;
+
+    /**
+     * This method should only run once with $all as true and should be placed
+     * in the header or footer.
+     *
+     * If $all is true, it includes TextareaPreview and jQuery
+     *
+     * jQuery is required for this to work, include it in the headers.
+     *
+     * @static
+     * @param bool $all Output all required scripts, otherwise just do iterator()
+     * @example <pre><?php TEXT_PREVIEW::JavaScript(); ?></pre>
+     * @return void
+     */
+    public static function JavaScript($all = true)
+    {
+        if (self::$Textareas === 0) {
+            return;
+        }
+        if (self::$Exectuted === false && $all) {
+            View::parse('generic/textarea/script.phtml');
+        }
+
+        self::$Exectuted = true;
+        self::iterator();
     }
 
-    self::$Exectuted = true;
-    self::iterator();
-  }
-
-  /**
-   * This iterator generates JavaScript to initialize each JavaScript
-   * TextareaPreview object.
-   *
-   * It will generate a numeric or custom ID related to the textarea.
-   * @static
-   * @return void
-   */
-  private static function iterator() {
-    $script = [];
-    for ($i = 0; $i < self::$Textareas; $i++) {
-      if (isset(self::$_ID[$i]) && is_string(self::$_ID[$i])) {
-        $a = sprintf('%d, "%s"', $i, self::$_ID[$i]);
-      } else {
-        $a = $i;
-      }
-      $script[] = sprintf('[%s]', $a);
-    }
-    if (!empty($script)) {
-      View::parse('generic/textarea/script_factory.phtml', array('script' => join(', ', $script)));
+    /**
+     * This iterator generates JavaScript to initialize each JavaScript
+     * TextareaPreview object.
+     *
+     * It will generate a numeric or custom ID related to the textarea.
+     * @static
+     * @return void
+     */
+    private static function iterator()
+    {
+        $script = [];
+        for ($i = 0; $i < self::$Textareas; $i++) {
+            if (isset(self::$_ID[$i]) && is_string(self::$_ID[$i])) {
+                $a = sprintf('%d, "%s"', $i, self::$_ID[$i]);
+            } else {
+                $a = $i;
+            }
+            $script[] = sprintf('[%s]', $a);
+        }
+        if (!empty($script)) {
+            View::parse('generic/textarea/script_factory.phtml', array('script' => join(', ', $script)));
+        }
     }
-  }
 }
 
 /**
  * </div>
  * </pre>
  */
-class TEXTAREA_PREVIEW extends TEXTAREA_PREVIEW_SUPER {
-  /**
-   * @var int Unique ID
-   */
-  private $id;
-
-  /**
-   * Flag for preview output
-   * @var bool $preview
-   */
-  private $preview = false;
-
-  /**
-   * String table
-   * @var string Buffer
-   */
-  private $buffer = null;
-
-  /**
-   * This method creates a textarea
-   *
-   * @param string $Name     name attribute
-   * @param string $ID       id attribute
-   * @param string $Value    default text attribute
-   * @param string $Cols     cols attribute
-   * @param string $Rows     rows attribute
-   * @param bool   $Preview  add the preview divs near the textarea
-   * @param bool   $Buttons  add the edit/preview buttons near the textarea
-   * @param bool   $Buffer   doesn't output the textarea, use getBuffer()
-   * @param array  $ExtraAttributes  array of attribute="value"
-   *
-   * If false for $Preview, $Buttons, or $Buffer, use the appropriate
-   * methods to add the those elements manually. Alternatively, use getID
-   * to create your own.
-   *
-   * It's important to have the right IDs as they make the JS function properly.
-   */
-  public function __construct($Name, $ID = '', $Value = '', $Cols = 50, $Rows = 10,
-    $Preview = true, $Buttons = true, $Buffer = false,
-    array $ExtraAttributes = []
-  ) {
-    $this->id = parent::$Textareas;
-    parent::$Textareas += 1;
-    array_push(parent::$_ID, $ID);
-
-    if (empty($ID)) {
-      $ID = 'quickpost_' . $this->id;
+class TEXTAREA_PREVIEW extends TEXTAREA_PREVIEW_SUPER
+{
+    /**
+     * @var int Unique ID
+     */
+    private $id;
+
+    /**
+     * Flag for preview output
+     * @var bool $preview
+     */
+    private $preview = false;
+
+    /**
+     * String table
+     * @var string Buffer
+     */
+    private $buffer = null;
+
+    /**
+     * This method creates a textarea
+     *
+     * @param string $Name     name attribute
+     * @param string $ID       id attribute
+     * @param string $Value    default text attribute
+     * @param string $Cols     cols attribute
+     * @param string $Rows     rows attribute
+     * @param bool   $Preview  add the preview divs near the textarea
+     * @param bool   $Buttons  add the edit/preview buttons near the textarea
+     * @param bool   $Buffer   doesn't output the textarea, use getBuffer()
+     * @param array  $ExtraAttributes  array of attribute="value"
+     *
+     * If false for $Preview, $Buttons, or $Buffer, use the appropriate
+     * methods to add the those elements manually. Alternatively, use getID
+     * to create your own.
+     *
+     * It's important to have the right IDs as they make the JS function properly.
+     */
+    public function __construct(
+        $Name,
+        $ID = '',
+        $Value = '',
+        $Cols = 50,
+        $Rows = 10,
+        $Preview = true,
+        $Buttons = true,
+        $Buffer = false,
+        array $ExtraAttributes = []
+    ) {
+        $this->id = parent::$Textareas;
+        parent::$Textareas += 1;
+        array_push(parent::$_ID, $ID);
+
+        if (empty($ID)) {
+            $ID = 'quickpost_' . $this->id;
+        }
+
+        if (!empty($ExtraAttributes)) {
+            $Attributes = ' ' . implode(' ', $ExtraAttributes);
+        } else {
+            $Attributes = '';
+        }
+
+        if ($Preview === true) {
+            $this->preview();
+        }
+
+        $this->buffer = View::parse('generic/textarea/textarea.phtml', array(
+        'ID' => $ID,
+        'NID' => $this->id,
+        'Name' => &$Name,
+        'Value' => &$Value,
+        'Cols' => &$Cols,
+        'Rows' => &$Rows,
+        'Attributes' => &$Attributes
+        ), $Buffer);
+
+        if ($Buttons === true) {
+            $this->buttons();
+        }
     }
 
-    if (!empty($ExtraAttributes)) {
-      $Attributes = ' ' . implode(' ', $ExtraAttributes);
-    } else {
-      $Attributes = '';
+    /**
+     * Outputs the divs required for previewing the AJAX content
+     * Will only output once
+     */
+    public function preview()
+    {
+        if (!$this->preview) {
+            View::parse('generic/textarea/preview.phtml', array('ID' => $this->id));
+        }
+        $this->preview = true;
     }
 
-    if ($Preview === true) {
-      $this->preview();
+    /**
+     * Outputs the preview and edit buttons
+     * Can be called many times to place buttons in different areas
+     */
+    public function buttons()
+    {
+        View::parse('generic/textarea/buttons.phtml', array('ID' => $this->id));
     }
 
-    $this->buffer = View::parse('generic/textarea/textarea.phtml', array(
-      'ID' => $ID,
-      'NID' => $this->id,
-      'Name' => &$Name,
-      'Value' => &$Value,
-      'Cols' => &$Cols,
-      'Rows' => &$Rows,
-      'Attributes' => &$Attributes
-    ), $Buffer);
-
-    if ($Buttons === true) {
-      $this->buttons();
+    /**
+     * Returns the textarea's numeric ID.
+     */
+    public function getID()
+    {
+        return $this->id;
     }
-  }
-
-  /**
-   * Outputs the divs required for previewing the AJAX content
-   * Will only output once
-   */
-  public function preview() {
-    if (!$this->preview) {
-      View::parse('generic/textarea/preview.phtml', array('ID' => $this->id));
+
+    /**
+     * Returns textarea string when buffer is enabled in the constructor
+     * @return string
+     */
+    public function getBuffer()
+    {
+        return $this->buffer;
     }
-    $this->preview = true;
-  }
-
-  /**
-   * Outputs the preview and edit buttons
-   * Can be called many times to place buttons in different areas
-   */
-  public function buttons() {
-    View::parse('generic/textarea/buttons.phtml', array('ID' => $this->id));
-  }
-
-  /**
-   * Returns the textarea's numeric ID.
-   */
-  public function getID() {
-    return $this->id;
-  }
-
-  /**
-   * Returns textarea string when buffer is enabled in the constructor
-   * @return string
-   */
-  public function getBuffer() {
-    return $this->buffer;
-  }
 }

classes/time.class.php

-<?
+<?php
 if (!extension_loaded('date')) {
-  error('Date extension not loaded.');
+    error('Date extension not loaded.');
 }
 
-function time_ago($TimeStamp) {
-  if (!$TimeStamp) { return false; }
-  if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
-    $TimeStamp = strtotime($TimeStamp);
-  }
-  return time() - $TimeStamp;
+function time_ago($TimeStamp)
+{
+    if (!$TimeStamp) {
+        return false;
+    }
+    if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
+        $TimeStamp = strtotime($TimeStamp);
+    }
+    return time() - $TimeStamp;
 }
 
 /*
  * Returns a <span> by default but can optionally return the raw time
  * difference in text (e.g. "16 hours and 28 minutes", "1 day, 18 hours").
  */
-function time_diff($TimeStamp, $Levels = 2, $Span = true, $Lowercase = false) {
-  if (!$TimeStamp) { return 'Never'; }
-  if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
-    $TimeStamp = strtotime($TimeStamp);
-  }
-  $Time = time() - $TimeStamp;
-
-  // If the time is negative, then it expires in the future.
-  if ($Time < 0) {
-    $Time = -$Time;
-    $HideAgo = true;
-  }
-
-  $Years = floor($Time / 31556926); // seconds in one year
-  $Remain = $Time - $Years * 31556926;
-
-  $Months = floor($Remain / 2629744); // seconds in one month
-  $Remain = $Remain - $Months * 2629744;
-
-  $Weeks = floor($Remain / 604800); // seconds in one week
-  $Remain = $Remain - $Weeks * 604800;
-
-  $Days = floor($Remain / 86400); // seconds in one day
-  $Remain = $Remain - $Days * 86400;
-
-  $Hours=floor($Remain / 3600); // seconds in one hour
-  $Remain = $Remain - $Hours * 3600;
-
-  $Minutes = floor($Remain / 60); // seconds in one minute
-  $Remain = $Remain - $Minutes * 60;
-
-  $Seconds = $Remain;
-
-  $Return = '';
-
-  if ($Years > 0 && $Levels > 0) {
-    $Return .= "$Years year".(($Years > 1) ? 's' : '' );
-    $Levels--;
-  }
-
-  if ($Months > 0 && $Levels > 0) {
-    $Return .= ($Return != '') ? ', ' : '';
-    $Return .= "$Months month".(($Months > 1) ? 's' : '');
-    $Levels--;
-  }
-
-  if ($Weeks > 0 && $Levels > 0) {
-    $Return .= ($Return != '') ? ', ' : '';
-    $Return .= "$Weeks week".(($Weeks > 1) ? 's' : '');
-    $Levels--;
-  }
-
-  if ($Days > 0 && $Levels > 0) {
-    $Return .= ($Return != '') ? ', ' : '';
-    $Return .= "$Days day".(($Days > 1) ? 's' : '');
-    $Levels--;
-  }
-
-  if ($Hours > 0 && $Levels > 0) {
-    $Return .= ($Return != '') ? ', ' : '';
-    $Return .= "$Hours hour".(($Hours > 1) ? 's' : '');
-    $Levels--;
-  }
-
-  if ($Minutes > 0 && $Levels > 0) {
-    $Return .= ($Return != '') ? ' and ' : '';
-    $Return .= "$Minutes min".(($Minutes > 1) ? 's' : '');
-  }
-
-  if ($Return == '') {
-    $Return = 'Just now';
-  } elseif (!isset($HideAgo)) {
-    $Return .= ' ago';
-  }
-
-  if ($Lowercase) {
-    $Return = strtolower($Return);
-  }
-
-  if ($Span) {
-    return '<span class="time tooltip" title="'.date('M d Y, H:i', $TimeStamp).'">'.$Return.'</span>';
-  } else {
-    return $Return;
-  }
+function time_diff($TimeStamp, $Levels = 2, $Span = true, $Lowercase = false)
+{
+    if (!$TimeStamp) {
+        return 'Never';
+    }
+    if (!is_number($TimeStamp)) { // Assume that $TimeStamp is SQL timestamp
+        $TimeStamp = strtotime($TimeStamp);
+    }
+    $Time = time() - $TimeStamp;
+
+    // If the time is negative, then it expires in the future.
+    if ($Time < 0) {
+        $Time = -$Time;
+        $HideAgo = true;
+    }
+
+    $Years = floor($Time / 31556926); // seconds in one year
+    $Remain = $Time - $Years * 31556926;
+
+    $Months = floor($Remain / 2629744); // seconds in one month
+    $Remain = $Remain - $Months * 2629744;
+
+    $Weeks = floor($Remain / 604800); // seconds in one week
+    $Remain = $Remain - $Weeks * 604800;
+
+    $Days = floor($Remain / 86400); // seconds in one day
+    $Remain = $Remain - $Days * 86400;
+
+    $Hours=floor($Remain / 3600); // seconds in one hour
+    $Remain = $Remain - $Hours * 3600;
+
+    $Minutes = floor($Remain / 60); // seconds in one minute
+    $Remain = $Remain - $Minutes * 60;
+
+    $Seconds = $Remain;
+
+    $Return = '';
+
+    if ($Years > 0 && $Levels > 0) {
+        $Return .= "$Years year".(($Years > 1) ? 's' : '');
+        $Levels--;
+    }
+
+    if ($Months > 0 && $Levels > 0) {
+        $Return .= ($Return != '') ? ', ' : '';
+        $Return .= "$Months month".(($Months > 1) ? 's' : '');
+        $Levels--;
+    }
+
+    if ($Weeks > 0 && $Levels > 0) {
+        $Return .= ($Return != '') ? ', ' : '';
+        $Return .= "$Weeks week".(($Weeks > 1) ? 's' : '');
+        $Levels--;
+    }
+
+    if ($Days > 0 && $Levels > 0) {
+        $Return .= ($Return != '') ? ', ' : '';
+        $Return .= "$Days day".(($Days > 1) ? 's' : '');
+        $Levels--;
+    }
+
+    if ($Hours > 0 && $Levels > 0) {
+        $Return .= ($Return != '') ? ', ' : '';
+        $Return .= "$Hours hour".(($Hours > 1) ? 's' : '');
+        $Levels--;
+    }
+
+    if ($Minutes > 0 && $Levels > 0) {
+        $Return .= ($Return != '') ? ' and ' : '';
+        $Return .= "$Minutes min".(($Minutes > 1) ? 's' : '');
+    }
+
+    if ($Return == '') {
+        $Return = 'Just now';
+    } elseif (!isset($HideAgo)) {
+        $Return .= ' ago';
+    }
+
+    if ($Lowercase) {
+        $Return = strtolower($Return);
+    }
+
+    if ($Span) {
+        return '<span class="time tooltip" title="'.date('M d Y, H:i', $TimeStamp).'">'.$Return.'</span>';
+    } else {
+        return $Return;
+    }
 }
 
 /* SQL utility functions */
 
-function time_plus($Offset) {
-  return date('Y-m-d H:i:s', time() + $Offset);
+function time_plus($Offset)
+{
+    return date('Y-m-d H:i:s', time() + $Offset);
 }
 
-function time_minus($Offset, $Fuzzy = false) {
-  if ($Fuzzy) {
-    return date('Y-m-d 00:00:00', time() - $Offset);
-  } else {
-    return date('Y-m-d H:i:s', time() - $Offset);
-  }
+function time_minus($Offset, $Fuzzy = false)
+{
+    if ($Fuzzy) {
+        return date('Y-m-d 00:00:00', time() - $Offset);
+    } else {
+        return date('Y-m-d H:i:s', time() - $Offset);
+    }
 }
 
 // This is never used anywhere with $timestamp set
 // TODO: Why don't we just use NOW() in the sql queries?
-function sqltime($timestamp = NULL) {
-  return date('Y-m-d H:i:s', ($timestamp ?? time()));
+function sqltime($timestamp = null)
+{
+    return date('Y-m-d H:i:s', ($timestamp ?? time()));
 }
 
-function validDate($DateString) {
-  $DateTime = explode(' ', $DateString);
-  if (count($DateTime) != 2) {
-    return false;
-  }
-  list($Date, $Time) = $DateTime;
-  $SplitTime = explode(':', $Time);
-  if (count($SplitTime) != 3) {
-    return false;
-  }
-  list($H, $M, $S) = $SplitTime;
-  if ($H != 0 && !(is_number($H) && $H < 24 && $H >= 0)) { return false; }
-  if ($M != 0 && !(is_number($M) && $M < 60 && $M >= 0)) { return false; }
-  if ($S != 0 && !(is_number($S) && $S < 60 && $S >= 0)) { return false; }
-  $SplitDate = explode('-', $Date);
-  if (count($SplitDate) != 3) {
-    return false;
-  }
-  list($Y, $M, $D) = $SplitDate;
-  return checkDate($M, $D, $Y);
+function validDate($DateString)
+{
+    $DateTime = explode(' ', $DateString);
+    if (count($DateTime) != 2) {
+        return false;
+    }
+    list($Date, $Time) = $DateTime;
+    $SplitTime = explode(':', $Time);
+    if (count($SplitTime) != 3) {
+        return false;
+    }
+    list($H, $M, $S) = $SplitTime;
+    if ($H != 0 && !(is_number($H) && $H < 24 && $H >= 0)) {
+        return false;
+    }
+    if ($M != 0 && !(is_number($M) && $M < 60 && $M >= 0)) {
+        return false;
+    }
+    if ($S != 0 && !(is_number($S) && $S < 60 && $S >= 0)) {
+        return false;
+    }
+    $SplitDate = explode('-', $Date);
+    if (count($SplitDate) != 3) {
+        return false;
+    }
+    list($Y, $M, $D) = $SplitDate;
+    return checkDate($M, $D, $Y);
 }
 
-function is_valid_date($Date) {
-  return is_valid_datetime($Date, 'Y-m-d');
+function is_valid_date($Date)
+{
+    return is_valid_datetime($Date, 'Y-m-d');
 }
 
-function is_valid_time($Time) {
-  return is_valid_datetime($Time, 'H:i');
+function is_valid_time($Time)
+{
+    return is_valid_datetime($Time, 'H:i');
 }
 
-function is_valid_datetime($DateTime, $Format = 'Y-m-d H:i') {
-  $FormattedDateTime = DateTime::createFromFormat($Format, $DateTime);
-  return $FormattedDateTime && $FormattedDateTime->format($Format) == $DateTime;
+function is_valid_datetime($DateTime, $Format = 'Y-m-d H:i')
+{
+    $FormattedDateTime = DateTime::createFromFormat($Format, $DateTime);
+    return $FormattedDateTime && $FormattedDateTime->format($Format) == $DateTime;
 }
-
-?>

classes/tools.class.php

-<?
-class Tools {
-  /**
-   * Returns true if given IP is banned.
-   *
-   * @param string $IP
-   */
-  public static function site_ban_ip($IP) {
-    global $Debug;
-    $A = substr($IP, 0, strcspn($IP, '.:'));
-    $IPNum = Tools::ip_to_unsigned($IP);
-    $IPBans = G::$Cache->get_value('ip_bans_'.$A);
-    if (!is_array($IPBans)) {
-      $SQL = sprintf("
+<?php
+class Tools
+{
+    /**
+     * Returns true if given IP is banned.
+     *
+     * @param string $IP
+     */
+    public static function site_ban_ip($IP)
+    {
+        global $Debug;
+        $A = substr($IP, 0, strcspn($IP, '.:'));
+        $IPNum = Tools::ip_to_unsigned($IP);
+        $IPBans = G::$Cache->get_value('ip_bans_'.$A);
+        if (!is_array($IPBans)) {
+            $SQL = sprintf("
         SELECT ID, FromIP, ToIP
         FROM ip_bans
         WHERE FromIP BETWEEN %d << 24 AND (%d << 24) - 1", $A, $A + 1);
-      $QueryID = G::$DB->get_query_id();
-      G::$DB->query($SQL);
-      $IPBans = G::$DB->to_array(0, MYSQLI_NUM);
-      G::$DB->set_query_id($QueryID);
-      G::$Cache->cache_value('ip_bans_'.$A, $IPBans, 0);
-    }
-    $Debug->log_var($IPBans, 'IP bans for class '.$A);
-    foreach ($IPBans as $Index => $IPBan) {
-      list ($ID, $FromIP, $ToIP) = $IPBan;
-      if ($IPNum >= $FromIP && $IPNum <= $ToIP) {
-        return true;
-      }
-    }
-
-    return false;
-  }
+            $QueryID = G::$DB->get_query_id();
+            G::$DB->query($SQL);
+            $IPBans = G::$DB->to_array(0, MYSQLI_NUM);
+            G::$DB->set_query_id($QueryID);
+            G::$Cache->cache_value('ip_bans_'.$A, $IPBans, 0);
+        }
+        $Debug->log_var($IPBans, 'IP bans for class '.$A);
+        foreach ($IPBans as $Index => $IPBan) {
+            list($ID, $FromIP, $ToIP) = $IPBan;
+            if ($IPNum >= $FromIP && $IPNum <= $ToIP) {
+                return true;
+            }
+        }
 
-  /**
-   * Returns the unsigned form of an IP address.
-   *
-   * @param string $IP The IP address x.x.x.x
-   * @return string the long it represents.
-   */
-  public static function ip_to_unsigned($IP) {
-    $IPnum = sprintf('%u', ip2long($IP));
-    if (!$IPnum) {
-      // Try to encode as IPv6 (stolen from stackoverflow)
-      // Note that this is *wrong* and because of PHP's wankery stops being accurate after the most significant 16 digits or so
-      // But since this is only used for geolocation and IPv6 blocks are allocated in huge numbers, it's still fine
-      $IPnum = '';
-      foreach (unpack('C*', inet_pton($IP)) as $byte) {
-        $IPnum .= str_pad(decbin($byte), 8, "0", STR_PAD_LEFT);
-      }
-      $IPnum = base_convert(ltrim($IPnum, '0'), 2, 10);
+        return false;
     }
-    return $IPnum;
-  }
 
-  /**
-   * Geolocate an IP address using the database
-   *
-   * @param $IP the ip to fetch the country for
-   * @return the country of origin
-   */
-  public static function geoip($IP) {
-    static $IPs = [];
-    if (isset($IPs[$IP])) {
-      return $IPs[$IP];
-    }
-    if (is_number($IP)) {
-      $Long = $IP;
-    } else {
-      $Long = Tools::ip_to_unsigned($IP);
-    }
-    if (!$Long || $Long == 2130706433) { // No need to check cc for 127.0.0.1
-      return false;
+    /**
+     * Returns the unsigned form of an IP address.
+     *
+     * @param string $IP The IP address x.x.x.x
+     * @return string the long it represents.
+     */
+    public static function ip_to_unsigned($IP)
+    {
+        $IPnum = sprintf('%u', ip2long($IP));
+        if (!$IPnum) {
+            // Try to encode as IPv6 (stolen from stackoverflow)
+            // Note that this is *wrong* and because of PHP's wankery stops being accurate after the most significant 16 digits or so
+            // But since this is only used for geolocation and IPv6 blocks are allocated in huge numbers, it's still fine
+            $IPnum = '';
+            foreach (unpack('C*', inet_pton($IP)) as $byte) {
+                $IPnum .= str_pad(decbin($byte), 8, "0", STR_PAD_LEFT);
+            }
+            $IPnum = base_convert(ltrim($IPnum, '0'), 2, 10);
+        }
+        return $IPnum;
     }
-    $QueryID = G::$DB->get_query_id();
-    G::$DB->query("
+
+    /**
+     * Geolocate an IP address using the database
+     *
+     * @param $IP the ip to fetch the country for
+     * @return the country of origin
+     */
+    public static function geoip($IP)
+    {
+        static $IPs = [];
+        if (isset($IPs[$IP])) {
+            return $IPs[$IP];
+        }
+        if (is_number($IP)) {
+            $Long = $IP;
+        } else {
+            $Long = Tools::ip_to_unsigned($IP);
+        }
+        if (!$Long || $Long == 2130706433) { // No need to check cc for 127.0.0.1
+            return false;
+        }
+        $QueryID = G::$DB->get_query_id();
+        G::$DB->query("
       SELECT EndIP, Code
       FROM geoip_country
       WHERE $Long >= StartIP
       ORDER BY StartIP DESC
       LIMIT 1");
-    if ((!list($EndIP, $Country) = G::$DB->next_record()) || $EndIP < $Long) {
-      $Country = '?';
+        if ((!list($EndIP, $Country) = G::$DB->next_record()) || $EndIP < $Long) {
+            $Country = '?';
+        }
+        G::$DB->set_query_id($QueryID);
+        $IPs[$IP] = $Country;
+        return $Country;
     }
-    G::$DB->set_query_id($QueryID);
-    $IPs[$IP] = $Country;
-    return $Country;
-  }
 
-  /**
-   * Gets the hostname for an IP address
-   *
-   * @param $IP the IP to get the hostname for
-   * @return hostname fetched
-   */
-  public static function get_host_by_ip($IP) {
-    $testar = explode('.', $IP);
-    if (count($testar) != 4) {
-      return $IP;
-    }
-    for ($i = 0; $i < 4; ++$i) {
-      if (!is_numeric($testar[$i])) {
-        return $IP;
-      }
-    }
+    /**
+     * Gets the hostname for an IP address
+     *
+     * @param $IP the IP to get the hostname for
+     * @return hostname fetched
+     */
+    public static function get_host_by_ip($IP)
+    {
+        $testar = explode('.', $IP);
+        if (count($testar) != 4) {
+            return $IP;
+        }
+        for ($i = 0; $i < 4; ++$i) {
+            if (!is_numeric($testar[$i])) {
+                return $IP;
+            }
+        }
 
-    $host = `host -W 1 $IP`;
-    return ($host ? end(explode(' ', $host)) : $IP);
-  }
+        $host = `host -W 1 $IP`;
+        return ($host ? end(explode(' ', $host)) : $IP);
+    }
 
-  /**
-   * Gets an hostname using AJAX
-   *
-   * @param $IP the IP to fetch
-   * @return a span with JavaScript code
-   */
-  public static function get_host_by_ajax($IP) {
-    static $ID = 0;
-    ++$ID;
-    return '<span id="host_'.$ID.'">Resolving host...<script type="text/javascript">ajax.get(\'tools.php?action=get_host&ip='.$IP.'\',function(host) {$(\'#host_'.$ID.'\').raw().innerHTML=host;});</script></span>';
-  }
+    /**
+     * Gets an hostname using AJAX
+     *
+     * @param $IP the IP to fetch
+     * @return a span with JavaScript code
+     */
+    public static function get_host_by_ajax($IP)
+    {
+        static $ID = 0;
+        ++$ID;
+        return '<span id="host_'.$ID.'">Resolving host...<script type="text/javascript">ajax.get(\'tools.php?action=get_host&ip='.$IP.'\',function(host) {$(\'#host_'.$ID.'\').raw().innerHTML=host;});</script></span>';
+    }
 
 
-  /**
-   * Looks up the full host of an IP address, by system call.
-   * Used as the server-side counterpart to get_host_by_ajax.
-   *
-   * @param string $IP The IP address to look up.
-   * @return string the host.
-   */
-  public static function lookup_ip($IP) {
-    //TODO: use the G::$Cache
-    $Output = explode(' ',shell_exec('host -W 1 '.escapeshellarg($IP)));
-    if (count($Output) == 1 && empty($Output[0]))  { return ''; }
-    if (count($Output) != 5)                       { return false; }
-    if ($Output[2].' '.$Output[3] == 'not found:') { return false; }
-    return trim($Output[4]);
-  }
+    /**
+     * Looks up the full host of an IP address, by system call.
+     * Used as the server-side counterpart to get_host_by_ajax.
+     *
+     * @param string $IP The IP address to look up.
+     * @return string the host.
+     */
+    public static function lookup_ip($IP)
+    {
+        //TODO: use the G::$Cache
+        $Output = explode(' ', shell_exec('host -W 1 '.escapeshellarg($IP)));
+        if (count($Output) == 1 && empty($Output[0])) {
+            return '';
+        }
+        if (count($Output) != 5) {
+            return false;
+        }
+        if ($Output[2].' '.$Output[3] == 'not found:') {
+            return false;
+        }
+        return trim($Output[4]);
+    }
 
-  /**
-   * Format an IP address with links to IP history.
-   *
-   * @param string IP
-   * @return string The HTML
-   */
-  public static function display_ip($IP) {
-    $Line = display_str($IP).' ('.Tools::get_country_code_by_ajax($IP).') ';
-    $Line .= '<a href="user.php?action=search&amp;ip_history=on&amp;ip='.display_str($IP).'&amp;matchtype=strict" title="Search" class="brackets tooltip">S</a>';
+    /**
+     * Format an IP address with links to IP history.
+     *
+     * @param string IP
+     * @return string The HTML
+     */
+    public static function display_ip($IP)
+    {
+        $Line = display_str($IP).' ('.Tools::get_country_code_by_ajax($IP).') ';
+        $Line .= '<a href="user.php?action=search&amp;ip_history=on&amp;ip='.display_str($IP).'&amp;matchtype=strict" title="Search" class="brackets tooltip">S</a>';
 
-    return $Line;
-  }
+        return $Line;
+    }
 
-  public static function get_country_code_by_ajax($IP) {
-    static $ID = 0;
-    ++$ID;
-    return '<span id="cc_'.$ID.'">Resolving CC...<script type="text/javascript">ajax.get(\'tools.php?action=get_cc&ip='.$IP.'\', function(cc) {$(\'#cc_'.$ID.'\').raw().innerHTML = cc;});</script></span>';
-  }
+    public static function get_country_code_by_ajax($IP)
+    {
+        static $ID = 0;
+        ++$ID;
+        return '<span id="cc_'.$ID.'">Resolving CC...<script type="text/javascript">ajax.get(\'tools.php?action=get_cc&ip='.$IP.'\', function(cc) {$(\'#cc_'.$ID.'\').raw().innerHTML = cc;});</script></span>';
+    }
 
 
-  /**
-   * Disable an array of users.
-   *
-   * @param array $UserIDs (You can also send it one ID as an int, because fuck types)
-   * @param BanReason 0 - Unknown, 1 - Manual, 2 - Ratio, 3 - Inactive, 4 - Unused.
-   */
-  public static function disable_users($UserIDs, $AdminComment, $BanReason = 1) {
-    $QueryID = G::$DB->get_query_id();
-    if (!is_array($UserIDs)) {
-      $UserIDs = array($UserIDs);
-    }
-    G::$DB->query("
+    /**
+     * Disable an array of users.
+     *
+     * @param array $UserIDs (You can also send it one ID as an int, because fuck types)
+     * @param BanReason 0 - Unknown, 1 - Manual, 2 - Ratio, 3 - Inactive, 4 - Unused.
+     */
+    public static function disable_users($UserIDs, $AdminComment, $BanReason = 1)
+    {
+        $QueryID = G::$DB->get_query_id();
+        if (!is_array($UserIDs)) {
+            $UserIDs = array($UserIDs);
+        }
+        G::$DB->query("
       UPDATE users_info AS i
         JOIN users_main AS m ON m.ID = i.UserID
       SET m.Enabled = '2',
         i.BanReason = '$BanReason',
         i.RatioWatchDownload = ".($BanReason == 2 ? 'm.Downloaded' : "'0'")."
       WHERE m.ID IN(".implode(',', $UserIDs).') ');
-    G::$Cache->decrement('stats_user_count', G::$DB->affected_rows());
-    foreach ($UserIDs as $UserID) {
-      G::$Cache->delete_value("enabled_$UserID");
-      G::$Cache->delete_value("user_info_$UserID");
-      G::$Cache->delete_value("user_info_heavy_$UserID");
-      G::$Cache->delete_value("user_stats_$UserID");
+        G::$Cache->decrement('stats_user_count', G::$DB->affected_rows());
+        foreach ($UserIDs as $UserID) {
+            G::$Cache->delete_value("enabled_$UserID");
+            G::$Cache->delete_value("user_info_$UserID");
+            G::$Cache->delete_value("user_info_heavy_$UserID");
+            G::$Cache->delete_value("user_stats_$UserID");
 
-      G::$DB->query("
+            G::$DB->query("
         SELECT SessionID
         FROM users_sessions
         WHERE UserID = '$UserID'
           AND Active = 1");
-      while (list($SessionID) = G::$DB->next_record()) {
-        G::$Cache->delete_value("session_$UserID"."_$SessionID");
-      }
-      G::$Cache->delete_value("users_sessions_$UserID");
+            while (list($SessionID) = G::$DB->next_record()) {
+                G::$Cache->delete_value("session_$UserID"."_$SessionID");
+            }
+            G::$Cache->delete_value("users_sessions_$UserID");
 
-      G::$DB->query("
+            G::$DB->query("
         DELETE FROM users_sessions
         WHERE UserID = '$UserID'");
+        }
 
-    }
-
-    // Remove the users from the tracker.
-    G::$DB->query('
+        // Remove the users from the tracker.
+        G::$DB->query('
       SELECT torrent_pass
       FROM users_main
       WHERE ID in ('.implode(', ', $UserIDs).')');
-    $PassKeys = G::$DB->collect('torrent_pass');
-    $Concat = '';
-    foreach ($PassKeys as $PassKey) {
-      if (strlen($Concat) > 3950) { // Ocelot's read buffer is 4 KiB and anything exceeding it is truncated
+        $PassKeys = G::$DB->collect('torrent_pass');
+        $Concat = '';
+        foreach ($PassKeys as $PassKey) {
+            if (strlen($Concat) > 3950) { // Ocelot's read buffer is 4 KiB and anything exceeding it is truncated
+                Tracker::update_tracker('remove_users', array('passkeys' => $Concat));
+                $Concat = $PassKey;
+            } else {
+                $Concat .= $PassKey;
+            }
+        }
         Tracker::update_tracker('remove_users', array('passkeys' => $Concat));
-        $Concat = $PassKey;
-      } else {
-        $Concat .= $PassKey;
-      }
+        G::$DB->set_query_id($QueryID);
     }
-    Tracker::update_tracker('remove_users', array('passkeys' => $Concat));
-    G::$DB->set_query_id($QueryID);
-  }
 
-  /**
-   * Warn a user.
-   *
-   * @param int $UserID
-   * @param int $Duration length of warning in seconds
-   * @param string $reason
-   */
-  public static function warn_user($UserID, $Duration, $Reason) {
-    global $Time;
+    /**
+     * Warn a user.
+     *
+     * @param int $UserID
+     * @param int $Duration length of warning in seconds
+     * @param string $reason
+     */
+    public static function warn_user($UserID, $Duration, $Reason)
+    {
+        global $Time;
 
-    $QueryID = G::$DB->get_query_id();
-    G::$DB->query("
+        $QueryID = G::$DB->get_query_id();
+        G::$DB->query("
       SELECT Warned
       FROM users_info
       WHERE UserID = $UserID
         AND Warned IS NOT NULL");
-    if (G::$DB->has_results()) {
-      //User was already warned, appending new warning to old.
-      list($OldDate) = G::$DB->next_record();
-      $NewExpDate = date('Y-m-d H:i:s', strtotime($OldDate) + $Duration);
+        if (G::$DB->has_results()) {
+            //User was already warned, appending new warning to old.
+            list($OldDate) = G::$DB->next_record();
+            $NewExpDate = date('Y-m-d H:i:s', strtotime($OldDate) + $Duration);
 
-      Misc::send_pm($UserID, 0,
-        'You have received multiple warnings.',
-        "When you received your latest warning (set to expire on ".date('Y-m-d', (time() + $Duration)).'), you already had a different warning (set to expire on '.date('Y-m-d', strtotime($OldDate)).").\n\n Due to this collision, your warning status will now expire at $NewExpDate.");
+            Misc::send_pm(
+                $UserID,
+                0,
+                'You have received multiple warnings.',
+                "When you received your latest warning (set to expire on ".date('Y-m-d', (time() + $Duration)).'), you already had a different warning (set to expire on '.date('Y-m-d', strtotime($OldDate)).").\n\n Due to this collision, your warning status will now expire at $NewExpDate."
+            );
 
-      $AdminComment = date('Y-m-d')." - Warning (Clash) extended to expire at $NewExpDate by " . G::$LoggedUser['Username'] . "\nReason: $Reason\n\n";
+            $AdminComment = date('Y-m-d')." - Warning (Clash) extended to expire at $NewExpDate by " . G::$LoggedUser['Username'] . "\nReason: $Reason\n\n";
 
-      G::$DB->query('
+            G::$DB->query('
         UPDATE users_info
         SET
           Warned = \''.db_string($NewExpDate).'\',
           WarnedTimes = WarnedTimes + 1,
           AdminComment = CONCAT(\''.db_string($AdminComment).'\', AdminComment)
         WHERE UserID = \''.db_string($UserID).'\'');
-    } else {
-      //Not changing, user was not already warned
-      $WarnTime = time_plus($Duration);
+        } else {
+            //Not changing, user was not already warned
+            $WarnTime = time_plus($Duration);
 
-      G::$Cache->begin_transaction("user_info_$UserID");
-      G::$Cache->update_row(false, array('Warned' => $WarnTime));
-      G::$Cache->commit_transaction(0);
+            G::$Cache->begin_transaction("user_info_$UserID");
+            G::$Cache->update_row(false, array('Warned' => $WarnTime));
+            G::$Cache->commit_transaction(0);
 
-      $AdminComment = date('Y-m-d')." - Warned until $WarnTime by " . G::$LoggedUser['Username'] . "\nReason: $Reason\n\n";
+            $AdminComment = date('Y-m-d')." - Warned until $WarnTime by " . G::$LoggedUser['Username'] . "\nReason: $Reason\n\n";
 
-      G::$DB->query('
+            G::$DB->query('
         UPDATE users_info
         SET
           Warned = \''.db_string($WarnTime).'\',
           WarnedTimes = WarnedTimes + 1,
           AdminComment = CONCAT(\''.db_string($AdminComment).'\', AdminComment)
         WHERE UserID = \''.db_string($UserID).'\'');
+        }
+        G::$DB->set_query_id($QueryID);
     }
-    G::$DB->set_query_id($QueryID);
-  }
 
-  /**
-   * Update the notes of a user
-   * @param unknown $UserID ID of user
-   * @param unknown $AdminComment Comment to update with
-   */
-  public static function update_user_notes($UserID, $AdminComment) {
-    $QueryID = G::$DB->get_query_id();
-    G::$DB->query('
+    /**
+     * Update the notes of a user
+     * @param unknown $UserID ID of user
+     * @param unknown $AdminComment Comment to update with
+     */
+    public static function update_user_notes($UserID, $AdminComment)
+    {
+        $QueryID = G::$DB->get_query_id();
+        G::$DB->query('
       UPDATE users_info
       SET AdminComment = CONCAT(\''.db_string($AdminComment).'\', AdminComment)
       WHERE UserID = \''.db_string($UserID).'\'');
-    G::$DB->set_query_id($QueryID);
-  }
-
-  /**
-  * Check if an IP address is part of a given CIDR range.
-  * @param string $CheckIP the IP address to be looked up
-  * @param string $Subnet the CIDR subnet to be checked against
-  */
-  public static function check_cidr_range($CheckIP, $Subnet) {
-    $IP = ip2long($CheckIP);
-    $CIDR = preg_split('/', $Subnet);
-    $SubnetIP = ip2long($CIDR[0]);
-    $SubnetMaskBits = 32 - $CIDR[1];
+        G::$DB->set_query_id($QueryID);
+    }
 
-    return (($IP>>$SubnetMaskBits) == ($SubnetIP>>$SubnetMaskBits));
-  }
+    /**
+    * Check if an IP address is part of a given CIDR range.
+    * @param string $CheckIP the IP address to be looked up
+    * @param string $Subnet the CIDR subnet to be checked against
+    */
+    public static function check_cidr_range($CheckIP, $Subnet)
+    {
+        $IP = ip2long($CheckIP);
+        $CIDR = preg_split('/', $Subnet);
+        $SubnetIP = ip2long($CIDR[0]);
+        $SubnetMaskBits = 32 - $CIDR[1];
 
+        return (($IP>>$SubnetMaskBits) == ($SubnetIP>>$SubnetMaskBits));
+    }
 }
-?>

classes/top10view.class.php

-<?
+<?php
 
-class Top10View {
-
-  public static function render_linkbox($Selected) {
-?>
+class Top10View
+{
+    public static function render_linkbox($Selected)
+    {
+        ?>
     <div class="linkbox">
       <a href="top10.php?type=torrents" class="brackets"><?=self::get_selected_link("Torrents", $Selected == "torrents")?></a>
       <a href="top10.php?type=users" class="brackets"><?=self::get_selected_link("Users", $Selected == "users")?></a>
       <a href="top10.php?type=tags" class="brackets"><?=self::get_selected_link("Tags", $Selected == "tags")?></a>
-<?  if (FEATURE_DONATE) { ?>
+        <?php  if (FEATURE_DONATE) { ?>
       <a href="top10.php?type=donors" class="brackets"><?=self::get_selected_link("Donors", $Selected == "donors")?></a>
-<?  } ?>
+        <?php  } ?>
     </div>
-<?
-  }
+        <?php
+    }
 
-  private static function get_selected_link($String, $Selected) {
-    if ($Selected) {
-      return "<strong>$String</strong>";
-    } else {
-      return $String;
+    private static function get_selected_link($String, $Selected)
+    {
+        if ($Selected) {
+            return "<strong>$String</strong>";
+        } else {
+            return $String;
+        }
     }
-  }
 
-  public static function render_artist_tile($Artist, $Category) {
-    if (self::is_valid_artist($Artist)) {
-      switch ($Category) {
-        case 'weekly':
-        case 'hyped':
-          self::render_tile("artist.php?artistname=", $Artist['name'], $Artist['image'][3]['#text']);
-          break;
-        default:
-          break;
-      }
+    public static function render_artist_tile($Artist, $Category)
+    {
+        if (self::is_valid_artist($Artist)) {
+            switch ($Category) {
+                case 'weekly':
+                case 'hyped':
+                    self::render_tile("artist.php?artistname=", $Artist['name'], $Artist['image'][3]['#text']);
+                    break;
+                default:
+                    break;
+            }
+        }
     }
-  }
 
-  private static function render_tile($Url, $Name, $Image) {
-    if (!empty($Image)) {
-      $Name = display_str($Name);
-?>
+    private static function render_tile($Url, $Name, $Image)
+    {
+        if (!empty($Image)) {
+            $Name = display_str($Name); ?>
       <li>
         <a href="<?=$Url?><?=$Name?>">
           <img class="tooltip large_tile" alt="<?=$Name?>" title="<?=$Name?>" src="<?=ImageTools::process($Image)?>" />
         </a>
       </li>
-<?
+            <?php
+        }
     }
-  }
-
 
-  public static function render_artist_list($Artist, $Category) {
-    if (self::is_valid_artist($Artist)) {
-      switch ($Category) {
 
-        case 'weekly':
-        case 'hyped':
-          self::render_list("artist.php?artistname=", $Artist['name'], $Artist['image'][3]['#text']);
-          break;
-        default:
-          break;
-      }
+    public static function render_artist_list($Artist, $Category)
+    {
+        if (self::is_valid_artist($Artist)) {
+            switch ($Category) {
+                case 'weekly':
+                case 'hyped':
+                    self::render_list("artist.php?artistname=", $Artist['name'], $Artist['image'][3]['#text']);
+                    break;
+                default:
+                    break;
+            }
+        }
     }
-  }
 
-  private static function render_list($Url, $Name, $Image) {
-    if (!empty($Image)) {
-      $Image = ImageTools::process($Image);
-      $Title = "title=\"&lt;img class=&quot;large_tile&quot; src=&quot;$Image&quot; alt=&quot;&quot; /&gt;\"";
-      $Name = display_str($Name);
-?>
+    private static function render_list($Url, $Name, $Image)
+    {
+        if (!empty($Image)) {
+            $Image = ImageTools::process($Image);
+            $Title = "title=\"&lt;img class=&quot;large_tile&quot; src=&quot;$Image&quot; alt=&quot;&quot; /&gt;\"";
+            $Name = display_str($Name); ?>
       <li>
         <a class="tooltip_image" data-title-plain="<?=$Name?>" <?=$Title?> href="<?=$Url?><?=$Name?>"><?=$Name?></a>
       </li>
-<?
+            <?php
+        }
     }
-  }
-
-  private static function is_valid_artist($Artist) {
-    return $Artist['name'] != '[unknown]';
-  }
 
+    private static function is_valid_artist($Artist)
+    {
+        return $Artist['name'] != '[unknown]';
+    }
 }