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hedera-web-mindshore/rest/core/captcha.php

48 lines
1009 B
PHP

<?php
require_once ('PEAR.php');
require_once ('Text/CAPTCHA.php');
class Captcha extends Vn\Web\RestRequest
{
function run ($db)
{
$options =
[
'width' => 130
,'height' => 45
,'output' => 'png'
,'imageOptions' =>
[
'font_size' => 20
,'font_path' => __DIR__
,'font_file' => 'IndieFlower.ttf'
,'text_color' => '#559955'
,'lines_color' => '#559955'
,'background_color' => '#DDDDDD'
,'antialias' => true
]
];
$captcha = Text_CAPTCHA::factory ('Image');
$retval = $captcha->init ($options);
if (PEAR::isError ($retval))
throw new Exception ('Error initializing CAPTCHA: %s!',
$retval->getMessage());
$png = $captcha->getCAPTCHA ();
if (PEAR::isError ($png))
throw new Exception ('Error generating CAPTCHA: %s!',
$png->getMessage ());
// Get secret passphrase
$_SESSION['captcha'] = $captcha->getPhrase ();
header ('Content-Type: image/png');
echo $png;
}
}