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- <?php
- if (!defined('SMF'))
- die('No direct access...');
- function createWaveFile($word)
- {
- global $settings, $user_info, $context;
-
- if (($ip = cache_get_data('wave_file/' . $user_info['ip'], 20)) > 2 || ($ip2 = cache_get_data('wave_file/' . $user_info['ip2'], 20)) > 2)
- die(header('HTTP/1.1 400 Bad Request'));
- cache_put_data('wave_file/' . $user_info['ip'], $ip ? $ip + 1 : 1, 20);
- cache_put_data('wave_file/' . $user_info['ip2'], $ip2 ? $ip2 + 1 : 1, 20);
-
- mt_srand(end(unpack('n', md5($word . session_id()))));
-
- if (file_exists($settings['default_theme_dir'] . '/fonts/sound/a.' . $user_info['language'] . '.wav'))
- $sound_language = $user_info['language'];
-
- elseif (file_exists($settings['default_theme_dir'] . '/fonts/sound/a.english.wav'))
- $sound_language = 'english';
-
- else
- return false;
-
- $word = strtolower($word);
-
- $sound_word = '';
- for ($i = 0; $i < strlen($word); $i++)
- {
- $sound_letter = implode('', file($settings['default_theme_dir'] . '/fonts/sound/' . $word{$i} . '.' . $sound_language . '.wav'));
- if (strpos($sound_letter, 'data') === false)
- return false;
- $sound_letter = substr($sound_letter, strpos($sound_letter, 'data') + 8);
- switch ($word{$i} === 's' ? 0 : mt_rand(0, 2))
- {
- case 0:
- for ($j = 0, $n = strlen($sound_letter); $j < $n; $j++)
- for ($k = 0, $m = round(mt_rand(15, 25) / 10); $k < $m; $k++)
- $sound_word .= $word{$i} === 's' ? $sound_letter{$j} : chr(mt_rand(max(ord($sound_letter{$j}) - 1, 0x00), min(ord($sound_letter{$j}) + 1, 0xFF)));
- break;
- case 1:
- for ($j = 0, $n = strlen($sound_letter) - 1; $j < $n; $j += 2)
- $sound_word .= (mt_rand(0, 3) == 0 ? '' : $sound_letter{$j}) . (mt_rand(0, 3) === 0 ? $sound_letter{$j + 1} : $sound_letter{$j}) . (mt_rand(0, 3) === 0 ? $sound_letter{$j} : $sound_letter{$j + 1}) . $sound_letter{$j + 1} . (mt_rand(0, 3) == 0 ? $sound_letter{$j + 1} : '');
- $sound_word .= str_repeat($sound_letter{$n}, 2);
- break;
- case 2:
- $shift = 0;
- for ($j = 0, $n = strlen($sound_letter); $j < $n; $j++)
- {
- if (mt_rand(0, 10) === 0)
- $shift += mt_rand(-3, 3);
- for ($k = 0, $m = round(mt_rand(15, 25) / 10); $k < $m; $k++)
- $sound_word .= chr(min(max(ord($sound_letter{$j}) + $shift, 0x00), 0xFF));
- }
- break;
- }
- $sound_word .= str_repeat(chr(0x80), mt_rand(10000, 10500));
- }
- $data_size = strlen($sound_word);
- $file_size = $data_size + 0x24;
- $sample_rate = 16000;
-
- ob_end_clean();
- header('Content-Encoding: none');
-
- header('Content-type: audio/x-wav');
- header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 525600 * 60) . ' GMT');
- header('Content-Length: ' . ($file_size + 0x08));
- echo pack('nnVnnnnnnnnVVnnnnV', 0x5249, 0x4646, $file_size, 0x5741, 0x5645, 0x666D, 0x7420, 0x1000, 0x0000, 0x0100, 0x0100, $sample_rate, $sample_rate, 0x0100, 0x0800, 0x6461, 0x7461, $data_size), $sound_word;
-
- die();
- }
- ?>
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