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Revision 615

Added by thorn almost 18 years ago

Added new CAPTCHA (calc_ttf_image). Changed call_captcha() to output a table-layout. Some minor changes to captcha-code.

View differences:

captcha.php
23 23 

  		




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*/


  		




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/* CAPTCHA - How to use:


  		




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 * use 


  		




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 *	require_once(WB_PATH.'/include/captcha/captcha.php');


  		




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 * and put 


  		




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 *	<?php call_captcha(); ?>


  		




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 * into your form.


  		




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 *


  		




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 * captcha-code is in $_SESSION['captcha']


  		




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 * user input in $_POST['captcha']


  		




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 */


  		




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// Must include code to stop this file being accessed directly


  		




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if(!defined('WB_PATH')) { exit("Cannot access this file directly"); }


  		




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  ......




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	$useable_captchas = array(


  		




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		'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],


  		




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		'calc_image'=>$MOD_CAPTCHA_CONTROL['CALC_IMAGE'],


  		




  
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		'calc_ttf_image'=>$MOD_CAPTCHA_CONTROL['CALC_TTF_IMAGE'],


  		




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		'ttf_image'=>$MOD_CAPTCHA_CONTROL['TTF_IMAGE'],


  		




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		'old_image'=>$MOD_CAPTCHA_CONTROL['OLD_IMAGE']


  		




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	);


  		




  ......




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		switch(CAPTCHA_TYPE) {


  		




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			// two special cases


  		




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			case 'calc_text': // calculation as text


  		




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				?>


  		




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				<?php include(WB_PATH.'/include/captcha/captchas/calc_text.php'); ?> = 


  		




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


  		




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				<?php


  		




  
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				?><table class="captcha_table"><tr>


  		




  
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				<td><?php include(WB_PATH.'/include/captcha/captchas/calc_text.php'); ?>&nbsp;=&nbsp;</td>


  		




  
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				<td><input type="text" name="captcha" maxlength="5"  style="width:20px" /></td>


  		




  
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				<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></td>


  		




  
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				</tr></table><?php


  		




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				break;


  		




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


  		




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				?>


  		




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


  		




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


  		




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				<?php


  		




  
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				?><table class="captcha_table"><tr>


  		




  
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				<td><img src="<?php echo WB_URL."/include/captcha/captchas/calc_image.php?t=$t"; ?>" alt="Captcha" />&nbsp;=&nbsp;</td>


  		




  
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				<td><input type="text" name="captcha" maxlength="5" style="width:20px" /></td>


  		




  
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				<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></td>


  		




  
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				</tr></table><?php


  		




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				break;


  		




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			// normal images


  		




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


  		




  
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			case 'calc_ttf_image': // calculation with varying background and ttf-font


  		




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			case 'old_image': // old captcha


  		




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				?>


  		




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


  		




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


  		




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				<?php


  		




  
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				?><table class="captcha_table"><tr>


  		




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


  		




  
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				<td><input type="text" name="captcha" maxlength="5" style="width:50px" /></td>


  		




  
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				<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_TEXT']; ?></td>


  		




  
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				</tr></table><?php


  		




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				break;


  		




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		}


  		




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	}


  		




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}


  		




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?>


  		




  
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?>


  		












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