github.com/aacfactory/fns@v1.2.86-0.20240310083819-80d667fc0a17/transports/middlewares/compress/decoder.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   * 	http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   */
    17  
    18  package compress
    19  
    20  import (
    21  	"github.com/aacfactory/fns/commons/bytex"
    22  	"github.com/aacfactory/fns/transports"
    23  	"github.com/valyala/fasthttp"
    24  )
    25  
    26  func DecodeResponse(header transports.Header, body []byte) (p []byte, err error) {
    27  	contentEncoding := bytex.ToString(header.Get(transports.ContentEncodingHeaderName))
    28  	switch contentEncoding {
    29  	case DefaultName, GzipName:
    30  		p, err = fasthttp.AppendGunzipBytes(p, body)
    31  		break
    32  	case DeflateName:
    33  		p, err = fasthttp.AppendInflateBytes(p, body)
    34  		break
    35  	case BrotliName:
    36  		p, err = fasthttp.AppendUnbrotliBytes(p, body)
    37  		break
    38  	default:
    39  		p = body
    40  		break
    41  	}
    42  	return
    43  }