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모바일에서 음성캡챠를 지원하기 위하여 mp3 형식으로 바꾸고 모바일의 경우 audio 태그를 적용함

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gnuboard
2013-03-13 14:49:13 +09:00
parent b5ea1f2f51
commit 006b3b7399
26 changed files with 34 additions and 107 deletions
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77
bbs/gcaptcha/gcaptcha.lib.php
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@ -125,7 +125,7 @@ class gcaptcha
imagejpeg($im, G4_DATA_PATH.'/cache/'.$this->captcha_filename.'.jpg');
imagedestroy($im);
$this->make_wav($this->captcha_filename.'.wav');
$this->make_mp3($this->captcha_filename);
}
function get_captcha_filename()
@ -133,21 +133,24 @@ class gcaptcha
return 'gcaptcha-'.abs_ip2long().'_'.session_id();
}
function make_wav($captcha_filename)
function make_mp3($captcha_filename)
{
global $g4;
$number = (string)$_SESSION['ss_captcha_key'];
$wavs = array();
$mp3s = array();
for($i=0;$i<strlen($number);$i++){
$file = G4_GCAPTCHA_PATH.'/wavs/'.$number[$i].'.wav';
$wavs[] = $file;
$file = G4_GCAPTCHA_PATH.'/mp3/'.$number[$i].'.mp3';
$mp3s[] = $file;
}
$wav_filepath = G4_DATA_PATH.'/cache/'.$captcha_filename;
$fp = fopen($wav_filepath, 'w+');
fwrite($fp, join_wavs($wavs));
fclose($fp);
$mp3_filepath = G4_DATA_PATH.'/cache/'.$captcha_filename.'.mp3';
$contents = '';
foreach ($mp3s as $mp3) {
$contents .= file_get_contents($mp3);
}
file_put_contents($mp3_filepath, $contents);
}
}
@ -174,14 +177,18 @@ function captcha_html($class='captcha')
$rand = rand();
$jpg_file_url = G4_DATA_URL.'/cache/'.$obj->captcha_filename.'.jpg';
$wav_file_url = G4_DATA_URL.'/cache/'.$obj->captcha_filename.'.wav';
$mp3_file_url = G4_DATA_URL.'/cache/'.$obj->captcha_filename.'.mp3';
$html .= "\n".'<script>var g4_gcaptcha_url = "'.G4_GCAPTCHA_URL.'";</script>';
$html .= "\n".'<script src="'.G4_GCAPTCHA_URL.'/gcaptcha.js"></script>';
$html .= '<fieldset id="captcha" class="'.$class.'">';
$html .= '<legend class="sound_only">자동등록방지</legend>';
$html .= '<img src="'.$jpg_file_url.'?_='.$rand.'" alt="자동등록방지 숫자">';
$html .= '<a href="'.$wav_file_url.'?_='.$rand.'" id="captcha_wav" target="_blank"><img src="'.G4_GCAPTCHA_URL.'/img/sound.gif" alt="숫자를 음성으로 듣기"></a>';
if (G4_IS_MOBILE) {
$html .= '<audio src="'.$mp3_file_url.'?_='.$rand.'" controls></audio>';
} else {
$html .= '<a href="'.$mp3_file_url.'?_='.$rand.'" id="captcha_mp3" target="_blank"><img src="'.G4_GCAPTCHA_URL.'/img/sound.gif" alt="숫자를 음성으로 듣기"></a>';
}
$html .= '<input type="text" id="captcha_key" name="captcha_key" class="captcha_box frm_input" size="6" maxlength="6" required title="자동등록방지 숫자 입력">';
$html .= '<p class="sound_only">자동등록방지 숫자를 순서대로 입력하세요.</p>';
$html .= '</fieldset>';
@ -207,50 +214,4 @@ function chk_captcha_js()
{
return "if (!chk_captcha()) return false;";
}
function join_wavs($wavs)
{
$fields = join('/',array( 'H8ChunkID', 'VChunkSize', 'H8Format',
'H8Subchunk1ID', 'VSubchunk1Size',
'vAudioFormat', 'vNumChannels', 'VSampleRate',
'VByteRate', 'vBlockAlign', 'vBitsPerSample' ));
$data = '';
$info = array();
foreach($wavs as $wav){
$fp = fopen($wav,'rb');
$header = fread($fp,36);
$info = unpack($fields,$header);
// read optional extra stuff
if($info['Subchunk1Size'] > 16){
$header .= fread($fp,($info['Subchunk1Size']-16));
}
// read SubChunk2ID
$header .= fread($fp,4);
// read Subchunk2Size
$size = unpack('vsize',fread($fp, 4));
$size = $size['size'];
// read data
$data .= fread($fp,$size);
}
return ''
.pack('a4', 'RIFF')
.pack('V', strlen($data) + 36)
.pack('a4', 'WAVE')
.pack('a4', 'fmt ')
.pack('V', $info['Subchunk1Size']) // 16
.pack('v', $info['AudioFormat']) // 1
.pack('v', $info['NumChannels']) // 1
.pack('V', $info['SampleRate']) // 8000
.pack('V', $info['ByteRate']) // 8000
.pack('v', $info['BlockAlign']) // 1
.pack('v', $info['BitsPerSample']) // 8
.pack('a4', 'data')
.pack('V', strlen($data))
.$data;
}
?>
?>