function file_upload($file, $type = 'image', $name = '', $is_wechat = false)
{
$harmtype = array('asp', 'php', 'jsp', 'js', 'css', 'php3', 'php4', 'php5', 'ashx', 'aspx', 'exe', 'cgi');
if (empty($file)) {
return error(-1, '没有上传内容');
}
if (!in_array($type, array('image', 'thumb', 'voice', 'video', 'audio'))) {
return error(-2, '未知的上传类型');
}
global $_W;
$ext = pathinfo($file['name'], PATHINFO_EXTENSION);
$ext = strtolower($ext);
if (!$is_wechat) {
$setting = $_W['setting']['upload'][$type];
if (!in_array(strtolower($ext), $setting['extentions']) || in_array(strtolower($ext), $harmtype)) {
return error(-3, '不允许上传此类文件');
}
if (!empty($setting['limit']) && $setting['limit'] * 1024 < filesize($file['tmp_name'])) {
return error(-4, "上传的文件超过大小限制，请上传小于 {$setting['limit']}k 的文件");
}
}
$result = array();
if (empty($name) || $name == 'auto') {
$uniacid = intval($_W['uniacid']);
$path = "{$type}s/{$uniacid}/" . date('Y/m/');
mkdirs(ATTACHMENT_ROOT . '/' . $path);
$filename = file_random_name(ATTACHMENT_ROOT . '/' . $path, $ext);
$result['path'] = $path . $filename;
} else {
mkdirs(dirname(ATTACHMENT_ROOT . '/' . $name));
if (!strexists($name, $ext)) {
$name .= '.' . $ext;
}
$result['path'] = $name;
}
if (!file_move($file['tmp_name'], ATTACHMENT_ROOT . '/' . $result['path'])) {
return error(-1, '保存上传文件失败');
}
$result['success'] = true;
return $result;
}
function file_fetch($url, $limit = 0, $path = '')
{
global $_W;
$url = trim($url);
if (empty($url)) {
return error(-1, '文件地址不存在');
}
if (!$limit) {
$limit = $_W['setting']['upload']['image']['limit'] * 1024;
}
if (empty($path)) {
$path = "images/{$_W['uniacid']}/" . date('Y/m/');
if (!file_exists(ATTACHMENT_ROOT . $path)) {
mkdirs(ATTACHMENT_ROOT . $path);
}
}
load()->func('communication');
$resp = ihttp_get($url);
if (is_error($resp)) {
return error(-1, '提取文件失败, 错误信息: ' . $resp['message']);
}
if (intval($resp['code']) != 200) {
return error(-1, '提取文件失败: 未找到该资源文件.');
}
$ext = '';
switch ($resp['headers']['Content-Type']) {
case 'application/x-jpg':
case 'image/jpeg':
$ext = 'jpg';
break;
case 'image/png':
$ext = 'png';
break;
case 'image/gif':
$ext = 'gif';
break;
default:
return error(-1, '提取资源失败, 资源文件类型错误.');
break;
}
if (intval($resp['headers']['Content-Length']) > $limit) {
return error(-1, '上传的媒体文件过大(' . sizecount($resp['headers']['Content-Length']) . ' > ' . sizecount($limit));
}
$filename = file_random_name(ATTACHMENT_ROOT . $path, $ext);
$pathname = $path . $filename;
$fullname = ATTACHMENT_ROOT . $pathname;
if (file_put_contents($fullname, $resp['content']) == false) {
return error(-1, '提取失败.');
}
return $pathname;
}
if ($_GPC['mediatype'] == 'image') {
$_W['uploadsetting']['image']['limit'] = 1024;
} elseif ($_GPC['mediatype'] == 'thumb') {
$_W['uploadsetting']['image']['limit'] = 64;
} else {
$result['message'] = '媒体类型不正确。';
frameCallback($_GPC['callback'], json_encode($result));
exit;
}
}
if (empty($dest_dir)) {
$file = file_upload($_FILES['file']);
} else {
$extention = pathinfo($_FILES['file']['name'], PATHINFO_EXTENSION);
$dir = $_W['uploadsetting']['image']['folder'] . '/' . $dest_dir . '/';
$fname = file_random_name($dir, $extension);
$file = file_upload($_FILES['file'], 'image', $dir . $fname);
}
if (is_error($file)) {
$result['message'] = $file['message'];
frameCallback($_GPC['callback'], json_encode($result));
exit;
}
$path = ATTACHMENT_ROOT . '/';
$srcfile = ATTACHMENT_ROOT . '/' . $file['path'];
if (!empty($_GPC['mediatype'])) {
load()->model('account');
$token = WeAccount::token(WeAccount::TYPE_WEIXIN);
if (is_error($token)) {
$result['message'] = $token['message'];
frameCallback($_GPC['callback'], json_encode($result));
$result['message'] = '上传失败, 请选择要上传的文件！';
die(json_encode($result));
}
if ($_FILES['file']['error'] != 0) {
$result['message'] = '上传失败, 请重试.';
die(json_encode($result));
}
$ext = pathinfo($_FILES['file']['name'], PATHINFO_EXTENSION);
$ext = strtolower($ext);
$size = intval($_FILES['file']['size']);
$originname = $_FILES['file']['name'];
if (!in_array($ext, $limit[$mode][$type]['ext']) || $size > $limit[$mode][$type]['size']) {
$result['message'] = $limit[$mode][$type]['errmsg'];
die(json_encode($result));
}
$filename = file_random_name(ATTACHMENT_ROOT . '/' . $setting['folder'], $ext);
$file = file_upload($_FILES['file'], $type, $setting['folder'] . $filename, true);
if (is_error($file)) {
$result['message'] = $file['message'];
die(json_encode($result));
}
$pathname = $file['path'];
$fullname = ATTACHMENT_ROOT . '/' . $pathname;
load()->model('account');
$acc = WeAccount::create($acid);
$token = $acc->fetch_token();
if (is_error($token)) {
$result['message'] = $token['message'];
die(json_encode($result));
}
if ($mode == 'perm' || $mode == 'temp') {
