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import v1.1.0_beta1 | 2009-08-21

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6543
2019-07-17 22:16:19 +02:00
parent 2c1152f0d3
commit 8dee6b1a10
2306 changed files with 251360 additions and 23428 deletions
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145
libs/Zend/Captcha/Image.php
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@ -17,22 +17,22 @@
* @subpackage Adapter
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Image.php 14290 2009-03-13 12:40:14Z alexander $
*/
/** Zend_Captcha_Word */
require_once 'Zend/Captcha/Word.php';
/**
* Image-based captcha element
*
* Image-based captcha element
*
* Generates image displaying random word
*
*
* @category Zend
* @package Zend_Captcha
* @subpackage Adapter
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: $
*/
class Zend_Captcha_Image extends Zend_Captcha_Word
{
@ -49,7 +49,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
* @var string
*/
protected $_imgUrl = "/images/captcha/";
/**
* Image's alt tag content
*
@ -105,7 +105,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
* @var int
*/
protected $_gcFreq = 10;
/**
* How long to keep generated images
*
@ -114,7 +114,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
protected $_expiration = 600;
/**
* Number of noise dots on image
* Number of noise dots on image
* Used twice - before and after transform
*
* @var int
@ -160,17 +160,17 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
*
* @return int
*/
public function getExpiration()
public function getExpiration()
{
return $this->_expiration;
}
/**
* Get garbage collection frequency
*
* @return int
*/
public function getGcFreq()
public function getGcFreq()
{
return $this->_gcFreq;
}
@ -179,37 +179,37 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
*
* @return string
*/
public function getFont()
public function getFont()
{
return $this->_font;
}
/**
* Get font size
*
* @return int
*/
public function getFontSize()
public function getFontSize()
{
return $this->_fsize;
}
/**
* Get captcha image height
*
* @return int
*/
public function getHeight()
public function getHeight()
{
return $this->_height;
}
/**
* Get captcha image directory
*
* @return string
*/
public function getImgDir()
public function getImgDir()
{
return $this->_imgDir;
}
@ -218,7 +218,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
*
* @return string
*/
public function getImgUrl()
public function getImgUrl()
{
return $this->_imgUrl;
}
@ -227,7 +227,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
*
* @return string
*/
public function getSuffix()
public function getSuffix()
{
return $this->_suffix;
}
@ -236,7 +236,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
*
* @return int
*/
public function getWidth()
public function getWidth()
{
return $this->_width;
}
@ -264,7 +264,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
$this->_lineNoiseLevel = $lineNoiseLevel;
return $this;
}
/**
* Set captcha expiration
*
@ -276,14 +276,14 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
$this->_expiration = $expiration;
return $this;
}
/**
* Set garbage collection frequency
*
* @param int $gcFreq
* @return Zend_Captcha_Image
*/
public function setGcFreq($gcFreq)
public function setGcFreq($gcFreq)
{
$this->_gcFreq = $gcFreq;
return $this;
@ -295,55 +295,55 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
* @param string $font
* @return Zend_Captcha_Image
*/
public function setFont($font)
public function setFont($font)
{
$this->_font = $font;
return $this;
}
/**
* Set captcha font size
*
* @param int $fsize
* @return Zend_Captcha_Image
*/
public function setFontSize($fsize)
public function setFontSize($fsize)
{
$this->_fsize = $fsize;
return $this;
}
/**
* Set captcha image height
*
* @param int $height
* @return Zend_Captcha_Image
*/
public function setHeight($height)
public function setHeight($height)
{
$this->_height = $height;
return $this;
}
/**
* Set captcha image storage directory
*
* @param string $imgDir
* @return Zend_Captcha_Image
*/
public function setImgDir($imgDir)
public function setImgDir($imgDir)
{
$this->_imgDir = rtrim($imgDir, "/\\") . '/';
return $this;
}
/**
* Set captcha image base URL
*
* @param string $imgUrl
* @return Zend_Captcha_Image
*/
public function setImgUrl($imgUrl)
public function setImgUrl($imgUrl)
{
$this->_imgUrl = rtrim($imgUrl, "/\\") . '/';
return $this;
@ -356,47 +356,47 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
$this->_imgAlt = $imgAlt;
return $this;
}
/**
* Set captch image filename suffix
*
* @param string $suffix
* @return Zend_Captcha_Image
*/
public function setSuffix($suffix)
public function setSuffix($suffix)
{
$this->_suffix = $suffix;
return $this;
}
/**
* Set captcha image width
*
* @param int $width
* @return Zend_Captcha_Image
*/
public function setWidth($width)
public function setWidth($width)
{
$this->_width = $width;
return $this;
}
/**
* Generate random frequency
*
*
* @return float
*/
protected function _randomFreq()
protected function _randomFreq()
{
return mt_rand(700000, 1000000) / 15000000;
}
/**
* Generate random phase
*
*
* @return float
*/
protected function _randomPhase()
protected function _randomPhase()
{
// random phase from 0 to pi
return mt_rand(0, 3141592) / 1000000;
@ -404,41 +404,47 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
/**
* Generate random character size
*
*
* @return int
*/
protected function _randomSize()
protected function _randomSize()
{
return mt_rand(300, 700) / 100;
}
/**
* Generate captcha
*
*
* @return string captcha ID
*/
public function generate()
{
$id = parent::generate();
$tries = 5;
// If there's already such file, try creating a new ID
while($tries-- && file_exists($this->getImgDir() . $id . $this->getSuffix())) {
$id = $this->_generateRandomId();
$this->_setId($id);
}
$this->_generateImage($id, $this->getWord());
if (mt_rand(0, $this->getGcFreq()) == 1) {
if (mt_rand(1, $this->getGcFreq()) == 1) {
$this->_gc();
}
return $id;
}
/**
* Generate image captcha
*
*
* Override this function if you want different image generator
* Wave transform from http://www.captcha.ru/captchas/multiwave/
*
* @param string $id Captcha ID
* @param string $word Captcha word
*/
protected function _generateImage($id, $word)
{
protected function _generateImage($id, $word)
{
if (!extension_loaded("gd")) {
require_once 'Zend/Captcha/Exception.php';
throw new Zend_Captcha_Exception("Image CAPTCHA requires GD extension");
@ -460,11 +466,11 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
require_once 'Zend/Captcha/Exception.php';
throw new Zend_Captcha_Exception("Image CAPTCHA requires font");
}
$w = $this->getWidth();
$h = $this->getHeight();
$fsize = $this->getFontSize();
$img_file = $this->getImgDir() . $id . $this->getSuffix();
if(empty($this->_startImage)) {
$img = imagecreatetruecolor($w, $h);
@ -472,7 +478,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
$img = imagecreatefrompng($this->_startImage);
if(!$img) {
require_once 'Zend/Captcha/Exception.php';
throw new Zend_Captcha_Exception("Can not load start image");
throw new Zend_Captcha_Exception("Can not load start image");
}
$w = imagesx($img);
$h = imagesy($img);
@ -484,7 +490,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
$x = ($w - ($textbox[2] - $textbox[0])) / 2;
$y = ($h - ($textbox[7] - $textbox[1])) / 2;
imagefttext($img, $fsize, 0, $x, $y, $text_color, $font, $word);
// generate noise
for ($i=0; $i<$this->_dotNoiseLevel; $i++) {
imagefilledellipse($img, mt_rand(0,$w), mt_rand(0,$h), 2, 2, $text_color);
@ -492,7 +498,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
for($i=0; $i<$this->_lineNoiseLevel; $i++) {
imageline($img, mt_rand(0,$w), mt_rand(0,$h), mt_rand(0,$w), mt_rand(0,$h), $text_color);
}
// transformed image
$img2 = imagecreatetruecolor($w, $h);
$bg_color = imagecolorallocate($img2, 255, 255, 255);
@ -510,13 +516,13 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
$szx = $this->_randomSize();
$szy = $this->_randomSize();
for ($x = 0; $x < $w; $x++) {
for ($y = 0; $y < $h; $y++) {
$sx = $x + (sin($x*$freq1 + $ph1) + sin($y*$freq3 + $ph3)) * $szx;
$sy = $y + (sin($x*$freq2 + $ph2) + sin($y*$freq4 + $ph4)) * $szy;
if ($sx < 0 || $sy < 0 || $sx >= $w - 1 || $sy >= $h - 1) {
if ($sx < 0 || $sy < 0 || $sx >= $w - 1 || $sy >= $h - 1) {
continue;
} else {
$color = (imagecolorat($img, $sx, $sy) >> 16) & 0xFF;
@ -545,7 +551,7 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
imagesetpixel($img2, $x, $y, imagecolorallocate($img2, $newcolor, $newcolor, $newcolor));
}
}
// generate noise
for ($i=0; $i<$this->_dotNoiseLevel; $i++) {
imagefilledellipse($img2, mt_rand(0,$w), mt_rand(0,$h), 2, 2, $text_color);
@ -553,12 +559,12 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
for ($i=0; $i<$this->_lineNoiseLevel; $i++) {
imageline($img2, mt_rand(0,$w), mt_rand(0,$h), mt_rand(0,$w), mt_rand(0,$h), $text_color);
}
imagepng($img2, $img_file);
imagedestroy($img);
imagedestroy($img2);
}
/**
* Remove old files from image directory
*
@ -566,7 +572,12 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
protected function _gc()
{
$expire = time() - $this->getExpiration();
foreach (new DirectoryIterator($this->getImgDir()) as $file) {
$imgdir = $this->getImgDir();
if(!$imgdir || strlen($imgdir) < 2) {
// safety guard
return;
}
foreach (new DirectoryIterator($imgdir) as $file) {
if (!$file->isDot() && !$file->isDir()) {
if ($file->getMTime() < $expire) {
unlink($file->getPathname());
@ -574,16 +585,16 @@ class Zend_Captcha_Image extends Zend_Captcha_Word
}
}
}
/**
* Display the captcha
*
* @param Zend_View $view
* @param Zend_View_Interface $view
* @param mixed $element
* @return string
*/
public function render(Zend_View_Interface $view, $element = null)
public function render(Zend_View_Interface $view = null, $element = null)
{
return '<img alt="'.$this->getImgAlt().'" src="' . $this->getImgUrl() . $this->getId() . $this->getSuffix() . '"/><br/>';
return '<img width="'.$this->getWidth().'" height="'.$this->getHeight().'" alt="'.$this->getImgAlt().'" src="' . $this->getImgUrl() . $this->getId() . $this->getSuffix() . '"/><br/>';
}
}