에디터, 캡챠를 bbs 밑으로 이동후 코드 수정

2013-01-14 13:15:49 +09:00
parent 7b04f8a6d2
commit c0ecb1cdec
306 changed files with 138 additions and 115 deletions
--- a/bbs/gcaptcha/wav.php
+++ b/bbs/gcaptcha/wav.php
@ -0,0 +1,74 @@
+<?php
+include_once("./_common.php");
+
+// prepare an array of wavfiles
+$wavs_dir = $g4['path'].'/plugin/captcha/wavs/';
+$number = (string)$_SESSION['ss_captcha_key'];
+$wavs = array();
+for($i=0;$i<strlen($number);$i++){
+    $file = $wavs_dir.$number[$i].'.wav';
+    $wavs[] = $file;
+}
+
+header('Content-type: audio/x-wav');
+header('Content-Disposition: attachment;filename=captcha.wav');
+
+echo joinwavs($wavs);
+
+
+/**
+ * Join multiple wav files
+ *
+ * All wave files need to have the same format and need to be uncompressed.
+ * The headers of the last file will be used (with recalculated datasize
+ * of course)
+ *
+ * @link http://ccrma.stanford.edu/CCRMA/Courses/422/projects/WaveFormat/
+ * @link http://www.thescripts.com/forum/thread3770.html
+ */
+function joinwavs($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;
+}
+?>