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Added new (clean) yii boilerplate

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Mike Schwörer
2014-05-13 12:40:42 +02:00
parent 1d6d975a16
commit 99d29b432b
1983 changed files with 653465 additions and 17 deletions
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188
framework/web/widgets/captcha/CCaptcha.php Normal file
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<?php
/**
* CCaptcha class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright 2008-2013 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CCaptcha renders a CAPTCHA image element.
*
* CCaptcha is used together with {@link CCaptchaAction} to provide {@link http://en.wikipedia.org/wiki/Captcha CAPTCHA}
* - a way of preventing site spam.
*
* The image element rendered by CCaptcha will display a CAPTCHA image generated
* by an action of class {@link CCaptchaAction} belonging to the current controller.
* By default, the action ID should be 'captcha', which can be changed by setting {@link captchaAction}.
*
* CCaptcha may also render a button next to the CAPTCHA image. Clicking on the button
* will change the CAPTCHA image to be a new one in an AJAX way.
*
* If {@link clickableImage} is set true, clicking on the CAPTCHA image
* will refresh the CAPTCHA.
*
* A {@link CCaptchaValidator} may be used to validate that the user enters
* a verification code matching the code displayed in the CAPTCHA image.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package system.web.widgets.captcha
* @since 1.0
*/
class CCaptcha extends CWidget
{
/**
* @var string the ID of the action that should provide CAPTCHA image. Defaults to 'captcha',
* meaning the 'captcha' action of the current controller. This property may also
* be in the format of 'ControllerID/ActionID'. Underneath, this property is used
* by {@link CController::createUrl} to create the URL that would serve the CAPTCHA image.
* The action has to be of {@link CCaptchaAction}.
*/
public $captchaAction='captcha';
/**
* @var boolean whether to display a button next to the CAPTCHA image. Clicking on the button
* will cause the CAPTCHA image to be changed to a new one. Defaults to true.
*/
public $showRefreshButton=true;
/**
* @var boolean whether to allow clicking on the CAPTCHA image to refresh the CAPTCHA letters.
* Defaults to false. Hint: you may want to set {@link showRefreshButton} to false if you set
* this property to be true because they serve for the same purpose.
* To enhance accessibility, you may set {@link imageOptions} to provide hints to end-users that
* the image is clickable.
*/
public $clickableImage=false;
/**
* @var string the label for the refresh button. Defaults to 'Get a new code'.
*/
public $buttonLabel;
/**
* @var string the type of the refresh button. This should be either 'link' or 'button'.
* The former refers to hyperlink button while the latter a normal push button.
* Defaults to 'link'.
*/
public $buttonType='link';
/**
* @var array HTML attributes to be applied to the rendered image element.
*/
public $imageOptions=array();
/**
* @var array HTML attributes to be applied to the rendered refresh button element.
*/
public $buttonOptions=array();
/**
* Renders the widget.
*/
public function run()
{
if(self::checkRequirements('imagick') || self::checkRequirements('gd'))
{
$this->renderImage();
$this->registerClientScript();
}
else
throw new CException(Yii::t('yii','GD with FreeType or ImageMagick PHP extensions are required.'));
}
/**
* Renders the CAPTCHA image.
*/
protected function renderImage()
{
if(!isset($this->imageOptions['id']))
$this->imageOptions['id']=$this->getId();
$url=$this->getController()->createUrl($this->captchaAction,array('v'=>uniqid()));
$alt=isset($this->imageOptions['alt'])?$this->imageOptions['alt']:'';
echo CHtml::image($url,$alt,$this->imageOptions);
}
/**
* Registers the needed client scripts.
*/
public function registerClientScript()
{
$cs=Yii::app()->clientScript;
$id=$this->imageOptions['id'];
$url=$this->getController()->createUrl($this->captchaAction,array(CCaptchaAction::REFRESH_GET_VAR=>true));
$js="";
if($this->showRefreshButton)
{
// reserve a place in the registered script so that any enclosing button js code appears after the captcha js
$cs->registerScript('Yii.CCaptcha#'.$id,'// dummy');
$label=$this->buttonLabel===null?Yii::t('yii','Get a new code'):$this->buttonLabel;
$options=$this->buttonOptions;
if(isset($options['id']))
$buttonID=$options['id'];
else
$buttonID=$options['id']=$id.'_button';
if($this->buttonType==='button')
$html=CHtml::button($label, $options);
else
$html=CHtml::link($label, $url, $options);
$js="jQuery('#$id').after(".CJSON::encode($html).");";
$selector="#$buttonID";
}
if($this->clickableImage)
$selector=isset($selector) ? "$selector, #$id" : "#$id";
if(!isset($selector))
return;
$js.="
jQuery(document).on('click', '$selector', function(){
jQuery.ajax({
url: ".CJSON::encode($url).",
dataType: 'json',
cache: false,
success: function(data) {
jQuery('#$id').attr('src', data['url']);
jQuery('body').data('{$this->captchaAction}.hash', [data['hash1'], data['hash2']]);
}
});
return false;
});
";
$cs->registerScript('Yii.CCaptcha#'.$id,$js);
}
/**
* Checks if specified graphic extension support is loaded.
* @param string $extension name to be checked. Possible values are 'gd', 'imagick' and null.
* Default value is null meaning that both extensions will be checked. This parameter
* is available since 1.1.13.
* @return boolean true if ImageMagick extension with PNG support or GD with FreeType support is loaded,
* otherwise false
* @since 1.1.5
*/
public static function checkRequirements($extension=null)
{
if(extension_loaded('imagick'))
{
$imagick=new Imagick();
$imagickFormats=$imagick->queryFormats('PNG');
}
if(extension_loaded('gd'))
{
$gdInfo=gd_info();
}
if($extension===null)
{
if(isset($imagickFormats) && in_array('PNG',$imagickFormats))
return true;
if(isset($gdInfo) && $gdInfo['FreeType Support'])
return true;
}
elseif($extension=='imagick' && isset($imagickFormats) && in_array('PNG',$imagickFormats))
return true;
elseif($extension=='gd' && isset($gdInfo) && $gdInfo['FreeType Support'])
return true;
return false;
}
}

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framework/web/widgets/captcha/CCaptchaAction.php Normal file
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<?php
/**
* CCaptchaAction class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright 2008-2013 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CCaptchaAction renders a CAPTCHA image.
*
* CCaptchaAction is used together with {@link CCaptcha} and {@link CCaptchaValidator}
* to provide the {@link http://en.wikipedia.org/wiki/Captcha CAPTCHA} feature.
*
* You must configure properties of CCaptchaAction to customize the appearance of
* the generated image.
*
* Note, CCaptchaAction requires PHP GD2 extension.
*
* Using CAPTCHA involves the following steps:
* <ol>
* <li>Override {@link CController::actions()} and register an action of class CCaptchaAction with ID 'captcha'.</li>
* <li>In the form model, declare an attribute to store user-entered verification code, and declare the attribute
* to be validated by the 'captcha' validator.</li>
* <li>In the controller view, insert a {@link CCaptcha} widget in the form.</li>
* </ol>
*
* @property string $verifyCode The verification code.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package system.web.widgets.captcha
* @since 1.0
*/
class CCaptchaAction extends CAction
{
/**
* The name of the GET parameter indicating whether the CAPTCHA image should be regenerated.
*/
const REFRESH_GET_VAR='refresh';
/**
* Prefix to the session variable name used by the action.
*/
const SESSION_VAR_PREFIX='Yii.CCaptchaAction.';
/**
* @var integer how many times should the same CAPTCHA be displayed. Defaults to 3.
* A value less than or equal to 0 means the test is unlimited (available since version 1.1.2).
*/
public $testLimit = 3;
/**
* @var integer the width of the generated CAPTCHA image. Defaults to 120.
*/
public $width = 120;
/**
* @var integer the height of the generated CAPTCHA image. Defaults to 50.
*/
public $height = 50;
/**
* @var integer padding around the text. Defaults to 2.
*/
public $padding = 2;
/**
* @var integer the background color. For example, 0x55FF00.
* Defaults to 0xFFFFFF, meaning white color.
*/
public $backColor = 0xFFFFFF;
/**
* @var integer the font color. For example, 0x55FF00. Defaults to 0x2040A0 (blue color).
*/
public $foreColor = 0x2040A0;
/**
* @var boolean whether to use transparent background. Defaults to false.
*/
public $transparent = false;
/**
* @var integer the minimum length for randomly generated word. Defaults to 6.
*/
public $minLength = 6;
/**
* @var integer the maximum length for randomly generated word. Defaults to 7.
*/
public $maxLength = 7;
/**
* @var integer the offset between characters. Defaults to -2. You can adjust this property
* in order to decrease or increase the readability of the captcha.
* @since 1.1.7
**/
public $offset = -2;
/**
* @var string the TrueType font file. Defaults to SpicyRice.ttf which is provided with the Yii release.
* Note that non-free Duality.ttf has been changed to open/free SpicyRice.ttf since 1.1.14.
*/
public $fontFile;
/**
* @var string the fixed verification code. When this is property is set,
* {@link getVerifyCode} will always return this value.
* This is mainly used in automated tests where we want to be able to reproduce
* the same verification code each time we run the tests.
* Defaults to null, meaning the verification code will be randomly generated.
* @since 1.1.4
*/
public $fixedVerifyCode;
/**
* @var string the graphic extension that will be used to draw CAPTCHA image. Possible values
* are 'gd', 'imagick' and null. Null value means that fallback mode will be used: ImageMagick
* is preferred over GD. Default value is null.
* @since 1.1.13
*/
public $backend;
/**
* Runs the action.
*/
public function run()
{
if(isset($_GET[self::REFRESH_GET_VAR])) // AJAX request for regenerating code
{
$code=$this->getVerifyCode(true);
echo CJSON::encode(array(
'hash1'=>$this->generateValidationHash($code),
'hash2'=>$this->generateValidationHash(strtolower($code)),
// we add a random 'v' parameter so that FireFox can refresh the image
// when src attribute of image tag is changed
'url'=>$this->getController()->createUrl($this->getId(),array('v' => uniqid())),
));
}
else
$this->renderImage($this->getVerifyCode());
Yii::app()->end();
}
/**
* Generates a hash code that can be used for client side validation.
* @param string $code the CAPTCHA code
* @return string a hash code generated from the CAPTCHA code
* @since 1.1.7
*/
public function generateValidationHash($code)
{
for($h=0,$i=strlen($code)-1;$i>=0;--$i)
$h+=ord($code[$i]);
return $h;
}
/**
* Gets the verification code.
* @param boolean $regenerate whether the verification code should be regenerated.
* @return string the verification code.
*/
public function getVerifyCode($regenerate=false)
{
if($this->fixedVerifyCode !== null)
return $this->fixedVerifyCode;
$session = Yii::app()->session;
$session->open();
$name = $this->getSessionKey();
if($session[$name] === null || $regenerate)
{
$session[$name] = $this->generateVerifyCode();
$session[$name . 'count'] = 1;
}
return $session[$name];
}
/**
* Validates the input to see if it matches the generated code.
* @param string $input user input
* @param boolean $caseSensitive whether the comparison should be case-sensitive
* @return boolean whether the input is valid
*/
public function validate($input,$caseSensitive)
{
$code = $this->getVerifyCode();
$valid = $caseSensitive ? ($input === $code) : strcasecmp($input,$code)===0;
$session = Yii::app()->session;
$session->open();
$name = $this->getSessionKey() . 'count';
$session[$name] = $session[$name] + 1;
if($session[$name] > $this->testLimit && $this->testLimit > 0)
$this->getVerifyCode(true);
return $valid;
}
/**
* Generates a new verification code.
* @return string the generated verification code
*/
protected function generateVerifyCode()
{
if($this->minLength > $this->maxLength)
$this->maxLength = $this->minLength;
if($this->minLength < 3)
$this->minLength = 3;
if($this->maxLength > 20)
$this->maxLength = 20;
$length = mt_rand($this->minLength,$this->maxLength);
$letters = 'bcdfghjklmnpqrstvwxyz';
$vowels = 'aeiou';
$code = '';
for($i = 0; $i < $length; ++$i)
{
if($i % 2 && mt_rand(0,10) > 2 || !($i % 2) && mt_rand(0,10) > 9)
$code.=$vowels[mt_rand(0,4)];
else
$code.=$letters[mt_rand(0,20)];
}
return $code;
}
/**
* Returns the session variable name used to store verification code.
* @return string the session variable name
*/
protected function getSessionKey()
{
return self::SESSION_VAR_PREFIX . Yii::app()->getId() . '.' . $this->getController()->getUniqueId() . '.' . $this->getId();
}
/**
* Renders the CAPTCHA image based on the code using library specified in the {@link $backend} property.
* @param string $code the verification code
*/
protected function renderImage($code)
{
if($this->backend===null && CCaptcha::checkRequirements('imagick') || $this->backend==='imagick')
$this->renderImageImagick($code);
else if($this->backend===null && CCaptcha::checkRequirements('gd') || $this->backend==='gd')
$this->renderImageGD($code);
}
/**
* Renders the CAPTCHA image based on the code using GD library.
* @param string $code the verification code
* @since 1.1.13
*/
protected function renderImageGD($code)
{
$image = imagecreatetruecolor($this->width,$this->height);
$backColor = imagecolorallocate($image,
(int)($this->backColor % 0x1000000 / 0x10000),
(int)($this->backColor % 0x10000 / 0x100),
$this->backColor % 0x100);
imagefilledrectangle($image,0,0,$this->width,$this->height,$backColor);
imagecolordeallocate($image,$backColor);
if($this->transparent)
imagecolortransparent($image,$backColor);
$foreColor = imagecolorallocate($image,
(int)($this->foreColor % 0x1000000 / 0x10000),
(int)($this->foreColor % 0x10000 / 0x100),
$this->foreColor % 0x100);
if($this->fontFile === null)
$this->fontFile = dirname(__FILE__) . '/SpicyRice.ttf';
$length = strlen($code);
$box = imagettfbbox(30,0,$this->fontFile,$code);
$w = $box[4] - $box[0] + $this->offset * ($length - 1);
$h = $box[1] - $box[5];
$scale = min(($this->width - $this->padding * 2) / $w,($this->height - $this->padding * 2) / $h);
$x = 10;
$y = round($this->height * 27 / 40);
for($i = 0; $i < $length; ++$i)
{
$fontSize = (int)(rand(26,32) * $scale * 0.8);
$angle = rand(-10,10);
$letter = $code[$i];
$box = imagettftext($image,$fontSize,$angle,$x,$y,$foreColor,$this->fontFile,$letter);
$x = $box[2] + $this->offset;
}
imagecolordeallocate($image,$foreColor);
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Content-Transfer-Encoding: binary');
header("Content-Type: image/png");
imagepng($image);
imagedestroy($image);
}
/**
* Renders the CAPTCHA image based on the code using ImageMagick library.
* @param string $code the verification code
* @since 1.1.13
*/
protected function renderImageImagick($code)
{
$backColor=$this->transparent ? new ImagickPixel('transparent') : new ImagickPixel(sprintf('#%06x',$this->backColor));
$foreColor=new ImagickPixel(sprintf('#%06x',$this->foreColor));
$image=new Imagick();
$image->newImage($this->width,$this->height,$backColor);
if($this->fontFile===null)
$this->fontFile=dirname(__FILE__).'/SpicyRice.ttf';
$draw=new ImagickDraw();
$draw->setFont($this->fontFile);
$draw->setFontSize(30);
$fontMetrics=$image->queryFontMetrics($draw,$code);
$length=strlen($code);
$w=(int)($fontMetrics['textWidth'])-8+$this->offset*($length-1);
$h=(int)($fontMetrics['textHeight'])-8;
$scale=min(($this->width-$this->padding*2)/$w,($this->height-$this->padding*2)/$h);
$x=10;
$y=round($this->height*27/40);
for($i=0; $i<$length; ++$i)
{
$draw=new ImagickDraw();
$draw->setFont($this->fontFile);
$draw->setFontSize((int)(rand(26,32)*$scale*0.8));
$draw->setFillColor($foreColor);
$image->annotateImage($draw,$x,$y,rand(-10,10),$code[$i]);
$fontMetrics=$image->queryFontMetrics($draw,$code[$i]);
$x+=(int)($fontMetrics['textWidth'])+$this->offset;
}
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Content-Transfer-Encoding: binary');
header("Content-Type: image/png");
$image->setImageFormat('png');
echo $image;
}
}

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framework/web/widgets/captcha/SpicyRice.md Normal file
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## Spicy Rice font
* **Author:** Brian J. Bonislawsky, Astigmatic (AOETI, Astigmatic One Eye Typographic Institute)
* **License:** SIL Open Font License (OFL), version 1.1, [notes and FAQ](http://scripts.sil.org/OFL)
## Links
* [Astigmatic](http://www.astigmatic.com/)
* [Google WebFonts](http://www.google.com/webfonts/specimen/Spicy+Rice)
* [fontsquirrel.com](http://www.fontsquirrel.com/fonts/spicy-rice)
* [fontspace.com](http://www.fontspace.com/astigmatic-one-eye-typographic-institute/spicy-rice)

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framework/web/widgets/captcha/SpicyRice.ttf Normal file
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