/**
* @title 获取七牛上传token
*
* @param string $ext 文件后缀 '' 例如jpg、png
* @method get
*/
public function uploadToken($ext = '')
{
$bucket = 'yszjdx';
$expires = 3600;
$ext = strtolower($ext);
preg_match('/^[a-z]+$/', $ext) or ajax_error('文件后缀不正确！');
$file_name = 'mobile_' . date('YmdH') . '_' . uniqid() . '.' . $ext;
$scope .= ':' . $file_name;
$policyFields = array('callbackUrl', 'callbackBody', 'callbackHost', 'callbackBodyType', 'callbackFetchKey', 'returnUrl', 'returnBody', 'endUser', 'saveKey', 'insertOnly', 'detectMime', 'mimeLimit', 'fsizeLimit', 'persistentOps', 'persistentNotifyUrl', 'persistentPipeline');
$policy = [];
$originPolicy = [];
foreach ($originPolicy as $key => $value) {
if (in_array($key, $policyFields)) {
$policy[$key] = $value;
}
}
$policy['scope'] = $bucket . ':' . $file_name;
$policy['deadline'] = time() + $expires;
$data = json_encode($policy);
function base64_urlSafeEncode($data)
{
$find = array('+', '/');
$replace = array('-', '_');
return str_replace($find, $replace, base64_encode($data));
}
$data = base64_urlSafeEncode($data);
$qiniu = C('UPLOAD_TYPE_CONFIG');
$hmac = hash_hmac('sha1', $data, $qiniu['secrectKey'], true);
$signData = $qiniu['accessKey'] . ':' . base64_urlSafeEncode($hmac);
$token = $signData . ':' . $data;
ajax_success(['file_name' => $file_name, 'token' => $token]);
}
/**
* 计算七牛API中的数据格式
*
* @param $bucket 待操作的空间名
* @param $key 待操作的文件名
*
* @return 符合七牛API规格的数据格式
* @link http://developer.qiniu.com/docs/v6/api/reference/data-formats.html
*/
function entry($bucket, $key)
{
$en = $bucket;
if (!empty($key)) {
$en = $bucket . ':' . $key;
}
return base64_urlSafeEncode($en);
}
public function createToken()
{
self::$app_key = config('config')->get('file_cloud')['key'];
$request = ['deadline' => time() + 24 * 3600];
$putPolicy = json_encode($request);
$encodedPutPolicy = base64_urlSafeEncode($putPolicy);
$sign = hash_hmac('sha1', $encodedPutPolicy, self::$app_key['secret'], true);
$encodedSign = base64_urlSafeEncode($sign);
$uploadToken = self::$app_key['access_key'] . ':' . $encodedSign . ':' . $encodedPutPolicy;
return $uploadToken;
}
public function uploadToken()
{
$expires = 600;
$ext = pathinfo(I('filename'), PATHINFO_EXTENSION);
if (!in_array(strtolower($ext), ['png', 'jpg', 'jpeg', 'gif'])) {
system_warn('检测到错误的上传图片格式：' . I('filename') . '，提交参数：' . print_r($_REQUEST, true));
ajax_error(strpos(I('filename'), '.') > 0 ? '仅限上传png/jpg/gif图片' : '服务器无法读取图片格式！');
}
$file_name = (I('type') ?: 'loan') . '_auth_' . date('YmdH') . '_' . uniqid() . '.' . $ext;
$policy['scope'] = 'yszjdx:' . $file_name;
$policy['deadline'] = time() + $expires;
$policy['fsizeLimit'] = 5 * 1024 * 1024;
$policy = json_encode($policy);
function base64_urlSafeEncode($data)
{
$find = array('+', '/');
$replace = array('-', '_');
return str_replace($find, $replace, base64_encode($data));
}
$policy = base64_urlSafeEncode($policy);
$qiniu = C('UPLOAD_TYPE_CONFIG');
$sign = hash_hmac('sha1', $policy, $qiniu['secrectKey'], true);
$token = $qiniu['accessKey'] . ':' . base64_urlSafeEncode($sign) . ':' . $policy;
ajax_success(['file_name' => $file_name, 'token' => $token]);
}
