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img-code performance

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secretr
2011-06-30 11:10:34 +00:00
parent 40f1666ce7
commit ed73e54ec9
2 changed files with 85 additions and 78 deletions
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149
e107_handlers/secure_img_handler.php
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@@ -16,31 +16,38 @@
if (!defined('e107_INIT')) { exit; } if (!defined('e107_INIT')) { exit; }
class secure_image class secure_image
{ {
var $random_number; public $random_number;
var $HANDLERS_DIRECTORY; protected $HANDLERS_DIRECTORY;
var $IMAGES_DIRECTORY; protected $IMAGES_DIRECTORY;
var $THIS_DIR; protected $MYSQL_INFO;
protected $THIS_DIR;
protected $BASE_DIR;
function secure_image() function secure_image()
{ {
list($usec, $sec) = explode(" ", microtime()); list($usec, $sec) = explode(" ", microtime());
$this->random_number = str_replace(".", "", $sec.$usec); $this->random_number = str_replace(".", "", $sec.$usec);
$imgp = dirname(__FILE__); $imgp = dirname(__FILE__);
if (substr($imgp,-1,1) != '/') $imgp .= '/'; if (substr($imgp,-1,1) != DIRECTORY_SEPARATOR) $imgp .= DIRECTORY_SEPARATOR;
if(!require($imgp.'../e107_config.php')) $imgp = str_replace('/', DIRECTORY_SEPARATOR, $imgp);
@include($imgp.'..'.DIRECTORY_SEPARATOR.'e107_config.php');
if(!isset($mySQLserver))
{ {
if(defined('e_DEBUG')) if(defined('e_DEBUG'))
{ {
echo "FAILED TO LOAD e107_config.php in secure_img_handler.php"; echo "FAILED TO LOAD e107_config.php in secure_img_handler.php";
} }
} exit;
}
$this->THIS_DIR = $imgp; $this->THIS_DIR = $imgp;
$this->HANDLERS_DIRECTORY = $HANDLERS_DIRECTORY; $this->BASE_DIR = realpath($imgp.'..'.DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
$this->IMAGES_DIRECTORY = $IMAGES_DIRECTORY; $this->HANDLERS_DIRECTORY = str_replace('/', DIRECTORY_SEPARATOR, $HANDLERS_DIRECTORY);
$this->IMAGES_DIRECTORY = str_replace('/', DIRECTORY_SEPARATOR, $IMAGES_DIRECTORY);
$this->MYSQL_INFO = array('db' => $mySQLdefaultdb, 'server' => $mySQLserver, 'user' => $mySQLuser, 'password' => $mySQLpassword, 'prefix' => $mySQLprefix);
} }
function create_code() function create_code()
@@ -48,15 +55,6 @@ class secure_image
$pref = e107::getPref(); $pref = e107::getPref();
$sql = e107::getDb(); $sql = e107::getDb();
/*
require_once('e107_class.php');
$e107 = new e107(false, false);
$e107->set_paths();
$imgpy = str_replace($HANDLERS_DIRECTORY, "", $e107->file_path);
*/
$imgp = str_replace($this->HANDLERS_DIRECTORY, $this->IMAGES_DIRECTORY, $this->THIS_DIR);
mt_srand ((double)microtime() * 1000000); mt_srand ((double)microtime() * 1000000);
$maxran = 1000000; $maxran = 1000000;
@@ -66,20 +64,21 @@ class secure_image
$code = substr($rcode, 2, 6); $code = substr($rcode, 2, 6);
$recnum = $this->random_number; $recnum = $this->random_number;
$del_time = time()+1200; $del_time = time()+1200;
$sql->db_Insert("tmp", "'{$recnum}',{$del_time},'{$code},{$imgp}'"); $sql->db_Insert("tmp", "'{$recnum}',{$del_time},'{$code}'");
return $recnum; return $recnum;
} }
function verify_code($rec_num, $checkstr) function verify_code($rec_num, $checkstr)
{ {
$sql = e107::getDb(); $sql = e107::getDb();
$tp = e107::getParser(); $tp = e107::getParser();
if ($sql->db_Select("tmp", "tmp_info", "tmp_ip = '".$tp -> toDB($rec_num)."'")) { if ($sql->db_Select("tmp", "tmp_info", "tmp_ip = '".$tp -> toDB($rec_num)."'")) {
$row = $sql->db_Fetch(); $row = $sql->db_Fetch();
$sql->db_Delete("tmp", "tmp_ip = '".$tp -> toDB($rec_num)."'"); $sql->db_Delete("tmp", "tmp_ip = '".$tp -> toDB($rec_num)."'");
list($code, $path) = explode(",", $row['tmp_info']); //list($code, $path) = explode(",", $row['tmp_info']);
$code = intval($row['tmp_ip']);
return ($checkstr == $code); return ($checkstr == $code);
} }
return FALSE; return FALSE;
@@ -90,34 +89,34 @@ class secure_image
$code = $this->create_code(); $code = $this->create_code();
return "<img src='".e_HTTP.$this->HANDLERS_DIRECTORY."secure_img_render.php?{$code}' class='icon secure-image' alt='' />"; return "<img src='".e_HTTP.$this->HANDLERS_DIRECTORY."secure_img_render.php?{$code}' class='icon secure-image' alt='' />";
} }
/** /**
* Render the generated Image. * Render the generated Image. Called without class2 environment (standalone).
*/ */
function render() function render($qcode)
{ {
$sql = e107::getDb(); if(!is_numeric($qcode)){ exit; }
$recnum = preg_replace('#\D#',"",$qcode);
$imgtypes = array('jpg'=>"jpeg",'png'=>"png",'gif'=>"gif"); $imgtypes = array('jpg'=>"jpeg",'png'=>"png",'gif'=>"gif");
$recnum = preg_replace("#\D#","",e_QUERY);
if($recnum == false){ exit; }
$sql->db_Select_gen("SELECT tmp_info FROM #tmp WHERE tmp_ip = '{$recnum}' LIMIT 1");
if(!$row = $sql->db_Fetch(MYSQL_ASSOC)) @mysql_connect($this->MYSQL_INFO['server'], $this->MYSQL_INFO['user'], $this->MYSQL_INFO['password']) || die('db connection failed');
@mysql_select_db($this->MYSQL_INFO['db']);
$result = mysql_query("SELECT tmp_info FROM {$this->MYSQL_INFO['prefix']}tmp WHERE tmp_ip = '{$recnum}'");
if(!$result || !($row = mysql_fetch_array($result, MYSQL_ASSOC)))
{ {
echo "Render Failed"; echo "Render Failed";
echo "SELECT tmp_info FROM {$this->MYSQL_INFO['prefix']}tmp WHERE tmp_ip = '{$recnum}'";
exit; exit;
} }
list($code, $url) = explode(",",$row['tmp_info']); $code = intval($row['tmp_info']); // new value
$type = "none"; $type = "none";
foreach($imgtypes as $k=>$t) foreach($imgtypes as $k=>$t)
{ {
if(function_exists("imagecreatefrom".$t)) if(function_exists("imagecreatefrom".$t))
@@ -127,27 +126,36 @@ class secure_image
break; break;
} }
} }
$path = e_IMAGE;
// TODO - add support for adding it in the THEME folder.
if(is_readable(e_IMAGE."secure_image_custom.php"))
{
require_once(e_IMAGE."secure_image_custom.php");
$path = $this->BASE_DIR.$this->IMAGES_DIRECTORY;
$secureimg = array();
if(is_readable($path."secure_image_custom.php"))
{
require_once($path."secure_image_custom.php");
/* Example secure_image_custom.php file:
$secureimg['image'] = "code_bg_custom"; // filename excluding the .ext
$secureimg['size'] = "15";
$secureimg['angle'] = "0";
$secureimg['x'] = "6";
$secureimg['y'] = "22";
$secureimg['font'] = "imagecode.ttf";
$secureimg['color'] = "90,90,90"; // red,green,blue
*/
$bg_file = $secureimg['image']; $bg_file = $secureimg['image'];
if(!is_readable(e_IMAGE.$secureimg['font'])) if(!is_readable(e_IMAGE.$secureimg['font']))
{ {
echo "Font missing"; // for debug only. translation not necessary. echo "Font missing"; // for debug only. translation not necessary.
exit; exit;
} }
if(!is_readable(e_IMAGE.$secureimg['image'].$ext)) if(!is_readable(e_IMAGE.$secureimg['image'].$ext))
{ {
echo "Missing Background-Image: ".$secureimg['image'].$ext; // for debug only. translation not necessary. echo "Missing Background-Image: ".$secureimg['image'].$ext; // for debug only. translation not necessary.
exit; exit;
} }
// var_dump($secureimg); // var_dump($secureimg);
@@ -156,7 +164,7 @@ class secure_image
{ {
$bg_file = "generic/code_bg"; $bg_file = "generic/code_bg";
} }
switch($type) switch($type)
{ {
case "jpeg": case "jpeg":
@@ -169,9 +177,9 @@ class secure_image
$image = ImageCreateFromGIF($path.$bg_file.".gif"); $image = ImageCreateFromGIF($path.$bg_file.".gif");
break; break;
} }
if(isset($secureimg['color'])) if(isset($secureimg['color']))
{ {
$tmp = explode(",",$secureimg['color']); $tmp = explode(",",$secureimg['color']);
@@ -181,9 +189,9 @@ class secure_image
{ {
$text_color = ImageColorAllocate($image, 90, 90, 90); $text_color = ImageColorAllocate($image, 90, 90, 90);
} }
header("Content-type: image/{$type}"); header("Content-type: image/{$type}");
if(isset($secureimg['font']) && is_readable($path.$secureimg['font'])) if(isset($secureimg['font']) && is_readable($path.$secureimg['font']))
{ {
imagettftext($image, $secureimg['size'],$secureimg['angle'], $secureimg['x'], $secureimg['y'], $text_color,$path.$secureimg['font'], $code); imagettftext($image, $secureimg['size'],$secureimg['angle'], $secureimg['x'], $secureimg['y'], $text_color,$path.$secureimg['font'], $code);
@@ -192,8 +200,7 @@ class secure_image
{ {
imagestring ($image, 5, 12, 2, $code, $text_color); imagestring ($image, 5, 12, 2, $code, $text_color);
} }
ob_end_clean();
switch($type) switch($type)
{ {
case "jpeg": case "jpeg":
@@ -206,15 +213,15 @@ class secure_image
imagegif($image); imagegif($image);
break; break;
} }
} }
} }
?> ?>

14
e107_handlers/secure_img_render.php
View File

@@ -16,7 +16,7 @@
/* Example Custom secure_image_custom.php file: /* Example Custom secure_image_custom.php file:
<?php <?php
$secureimg['image'] = "code_bg_custom"; // filename excluding the .ext $secureimg['image'] = "code_bg_custom"; // filename excluding the .ext
$secureimg['size'] = "15"; $secureimg['size'] = "15";
$secureimg['angle'] = "0"; $secureimg['angle'] = "0";
@@ -24,16 +24,16 @@
$secureimg['y'] = "22"; $secureimg['y'] = "22";
$secureimg['font'] = "imagecode.ttf"; $secureimg['font'] = "imagecode.ttf";
$secureimg['color'] = "90,90,90"; // red,green,blue $secureimg['color'] = "90,90,90"; // red,green,blue
?> ?>
*/ */
require_once(realpath(dirname(__FILE__).'/../class2.php')); define('e107_INIT', true);
require_once(realpath(dirname(__FILE__)."/secure_img_handler.php"));
require_once(e_HANDLER."secure_img_handler.php"); $sim = new secure_image();
$sim->render($_SERVER['QUERY_STRING']);
$sim = new secure_image;
$sim->render();
exit; exit;
?> ?>