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Revision 609

Added by thorn almost 17 years ago

Added preview-images for CAPTCHA. Improved security: CAPTCHAS can't be loaded from outside WB

View differences:

captcha.php
88 88 
if(!function_exists('call_captcha')) {
89 89 
	function call_captcha() {
90 90 
		global $MOD_CAPTCHA;
91 

  		




  
  91
  
    
		$t = time();


  		




  
  92
  
    
		$_SESSION['captcha_time'] = $t;


  		




  
  93
  
    
	


  		




  92
  94
  
    
		switch(CAPTCHA_TYPE) {


  		




  93
  95
  
    
			// two special cases


  		




  94
  96
  
    
			case 'calc_text': // calculation as text


  		




  ......




  99
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				break;


  		




  100
  102
  
    
			case 'calc_image': // calculation with image (old captcha)


  		




  101
  103
  
    
				?>


  		




  102
  
  
    
				<img src="<?php echo WB_URL.'/include/captcha/captchas/calc_image.php?t='.time(); ?>" align="middle" alt="Captcha" /> = 


  		




  
  104
  
    
				<img src="<?php echo WB_URL."/include/captcha/captchas/calc_image.php?t=$t"; ?>" align="middle" alt="Captcha" /> = 


  		




  103
  105
  
    
				<input type="text" name="captcha" maxlength="5" style="width:20px" />&nbsp;&nbsp;<?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></font>


  		




  104
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				<?php


  		




  105
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				break;


  		




  ......




  107
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			case 'ttf_image': // captcha with varying background and ttf-font


  		




  108
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			case 'old_image': // old captcha


  		




  109
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				?>


  		




  110
  
  
    
				<img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.'.php?t='.time(); ?>" align="middle" alt="Captcha" />


  		




  
  112
  
    
				<img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t"; ?>" align="middle" alt="Captcha" />


  		




  111
  113
  
    
				<input type="text" name="captcha" maxlength="5" style="width:50px" />&nbsp;&nbsp;<?php echo $MOD_CAPTCHA['VERIFICATION_INFO_TEXT']; ?></font>


  		




  112
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				<?php


  		




  113
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				break;


  		












Also available in:  Unified diff