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body_reader.go
68 lines (62 loc) · 1.39 KB
/
body_reader.go
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package main
// License: Apache v2
// Source: https://gist.github.com/RobinUS2/ec875b5945f86943f152
import (
"bytes"
"compress/gzip"
// "errors"
"bufio"
"hash/crc32"
"io/ioutil"
"net/http"
"strings"
)
func readBodyBytes(r *http.Request) ([]byte, error) {
// Multi-part?
if len(r.Header["Content-Type"]) > 0 && strings.Contains(r.Header["Content-Type"][0], "multipart/form-data") {
// Multi-part reader
pmfe := r.ParseMultipartForm(1024 * 1024 * 1024)
if pmfe != nil {
return nil, pmfe
}
// Read parts
for _, v := range r.MultipartForm.File {
for _, v2 := range v {
f, fe := v2.Open()
if fe != nil {
return nil, fe
}
br := bufio.NewReader(f)
bb, err := ioutil.ReadAll(br)
if err != nil {
return nil, err
}
h := crc32.Checksum(bb, crcTable)
log.Infof("Received bytes %d hash %d", len(bb), h)
return bb, nil
}
}
}
// Read body
bodyBytes, readErr := ioutil.ReadAll(r.Body)
if readErr != nil {
return nil, readErr
}
defer r.Body.Close()
// GZIP decode
if len(r.Header["Content-Encoding"]) > 0 && r.Header["Content-Encoding"][0] == "gzip" {
r, gzErr := gzip.NewReader(ioutil.NopCloser(bytes.NewBuffer(bodyBytes)))
if gzErr != nil {
return nil, gzErr
}
defer r.Close()
bb, err2 := ioutil.ReadAll(r)
if err2 != nil {
return nil, err2
}
return bb, nil
} else {
// Not compressed
return bodyBytes, nil
}
}