public function download($path, $filename)
{
global $_G;
$attachexists = FALSE;
if (strpos($path, 'attach::') === 0) {
$attachment = C::t('attachment')->fetch(intval(str_replace('attach::', '', $path)));
$attachment['name'] = $filename ? $filename : $attachment['filename'];
$path = getDzzPath($attachment);
$attachurl = IO::getStream($path);
} elseif (strpos($path, 'dzz::') === 0) {
$attachment = array('attachment' => preg_replace("/^dzz::/i", '', $path), 'name' => $filename ? $filename : substr(strrpos($path, '/')));
$attachurl = $_G['setting']['attachdir'] . $attachment['attachment'];
} elseif (is_numeric($path)) {
$icoid = intval($path);
$icoarr = C::t('icos')->fetch_by_icoid($path);
if (!$icoarr['icoid']) {
topshowmessage(lang('message', 'attachment_nonexistence'));
} elseif ($icoarr['type'] == 'folder') {
self::zipdownload($path);
exit;
}
if (!$icoarr['aid']) {
topshowmessage(lang('message', 'attachment_nonexistence'));
}
$attachment = $icoarr;
$attachurl = IO::getStream($path);
}
//$filename = $_G['setting']['attachdir'].$attachment['attachment'];
$filesize = !$attachment['remote'] ? filesize($attachurl) : $attachment['filesize'];
if ($attachment['ext'] && strpos(strtolower($attachment['name']), $attachment['ext']) === false) {
$attachment['name'] .= '.' . $attachment['ext'];
}
$attachment['name'] = '"' . (strtolower(CHARSET) == 'utf-8' && (strexists($_SERVER['HTTP_USER_AGENT'], 'MSIE') || strexists($_SERVER['HTTP_USER_AGENT'], 'rv:11')) ? urlencode($attachment['name']) : $attachment['name']) . '"';
if (!($fp = @fopen($attachurl, 'rb'))) {
topshowmessage('文件不存在');
}
$db = DB::object();
$db->close();
$chunk = 10 * 1024 * 1024;
dheader('Date: ' . gmdate('D, d M Y H:i:s', $attach['dateline']) . ' GMT');
dheader('Last-Modified: ' . gmdate('D, d M Y H:i:s', $attach['dateline']) . ' GMT');
dheader('Content-Encoding: none');
dheader('Content-Disposition: attachment; filename=' . $attachment['name']);
dheader('Content-Type: application/octet-stream');
dheader('Content-Length: ' . $filesize);
@ob_end_clean();
if (getglobal('gzipcompress')) {
@ob_start('ob_gzhandler');
}
while (!feof($fp)) {
echo fread($fp, $chunk);
@ob_flush();
// flush output
@flush();
}
fclose($fp);
//@readfile($attachurl);
// @ob_flush();@flush();
exit;
}
//版本比较模式，显示当前版本与前一版本的差异
$current = $versions[$version];
if (isset($versions[$version])) {
$dzzpath = getDzzPath($versions[$version]);
$str_new = str_replace(array("\r\n", "\r", "\n"), "", IO::getFileContent($dzzpath));
} else {
$dzzpath = getDzzPath($document);
$str_new = str_replace(array("\r\n", "\r", "\n"), "", IO::getFileContent($dzzpath));
}
if ($versions[$version - 1]) {
$dzzpath_old = getDzzPath($versions[$version - 1]);
$str_old = str_replace(array("\r\n", "\r", "\n"), "", IO::getFileContent($dzzpath_old));
} else {
$str_old = $str_new;
}
include_once dzz_libfile('class/html_diff', 'document');
$diff = new html_diff();
$str = $diff->compare($str_old, $str_new);
} else {
$current = $document;
$dzzpath = getDzzPath($document);
$str = str_replace(array("\r\n", "\r", "\n"), "", IO::getFileContent($dzzpath));
$navtitle = $document['subject'];
}
} else {
showmessage('文档不存在或已经删除', dreferer());
}
$dicoid = dzzencode($icoid);
$editperm = perm_check::checkperm('edit', $icoarr);
include template('document_view');
}
exit(json_encode($data));
} else {
C::t('document')->delete_by_did($newdid, true);
exit(json_encode(array('error' => '文档导入失败')));
}
} else {
C::t('corpus_class')->delete_by_fid($fid, true);
exit(json_encode(array('error' => '文档导入失败')));
}
} elseif ($aid > 0) {
//文本类文档;
if (!($attach = C::t('attachment')->fetch($aid))) {
C::t('corpus_class')->delete_by_fid($fid, true);
exit(json_encode(array('error' => '文档导入失败')));
}
$path = getDzzPath($attach);
$message = IO::getFileContent($path);
require_once DZZ_ROOT . './dzz/class/class_encode.php';
$p = new Encode_Core();
$code = $p->get_encoding($message);
if ($code) {
$message = diconv($message, $code, CHARSET);
}
$message = htmlspecialchars($message);
$message = nl2br(str_replace(array("\t", ' ', ' '), array(' ', ' ', ' '), $message));
if (!($attach = getTxtAttachByMd5($message, $setarr['fname'] . '.dzzdoc'))) {
C::t('corpus_class')->delete_by_fid($fid, true);
exit(json_encode(array('error' => '文档导入失败')));
}
$setarr1 = array('uid' => $_G['uid'], 'username' => $_G['username'], 'aid' => $attach['aid'], 'fid' => $fid);
if (!($newdid = C::t('document')->insert($setarr1, array(), 'corpus', $cid))) {
