forked from magicsong/sonargo
/
client_util.go
182 lines (162 loc) · 4.41 KB
/
client_util.go
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package sonargo
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"sort"
"strings"
"github.com/magicsong/color-glog"
"github.com/google/go-querystring/query"
)
// SetBaseURL sets the base URL for API requests to a custom endpoint. urlStr
// should always be specified with a trailing slash.
func SetBaseURLUtil(urlStr string) (*url.URL, error) {
// Make sure the given URL end with a slash
if !strings.HasSuffix(urlStr, "/") {
urlStr += "/"
}
baseURL, err := url.Parse(urlStr)
if err != nil {
return nil, err
}
// Update the base URL of the client.
return baseURL, nil
}
// NewRequest creates an API request. A relative URL path can be provided in
// urlStr, in which case it is resolved relative to the base URL of the Client.
// Relative URL paths should always be specified without a preceding slash. If
// specified, the value pointed to by body is JSON encoded and included as the
// request body.
func NewRequest(method, path string, baseURL *url.URL, username, password string, opt interface{}) (*http.Request, error) {
// Set the encoded opaque data
u := *baseURL
unescaped, err := url.PathUnescape(path)
if err != nil {
return nil, err
}
u.RawPath = u.Path + path
u.Path = u.Path + unescaped
if opt != nil {
q, err := query.Values(opt)
if err != nil {
return nil, err
}
u.RawQuery = q.Encode()
}
req := &http.Request{
Method: method,
URL: &u,
Proto: "HTTP/1.1",
Header: make(http.Header),
Host: u.Host,
}
if method == "POST" || method == "PUT" {
//SonarQube use RawQuery even method is POST
bodyBytes, err := json.Marshal(opt)
if err != nil {
return nil, err
}
bodyReader := bytes.NewReader(bodyBytes)
u.RawQuery = ""
req.Body = ioutil.NopCloser(bodyReader)
req.ContentLength = int64(bodyReader.Len())
req.Header.Set("Content-Type", "application/json")
}
req.Header.Set("Accept", "application/json")
req.SetBasicAuth(username, password)
return req, nil
}
// Do sends an API request and returns the API response. The API response is
// JSON decoded and stored in the value pointed to by v, or returned as an
// error if an API error has occurred. If v implements the io.Writer
// interface, the raw response body will be written to v, without attempting to
// first decode it.
func Do(c *http.Client, req *http.Request, v interface{}) (*http.Response, error) {
isText := false
if _, ok := v.(*string); ok {
req.Header.Set("Accept", "text/plain")
isText = true
}
glog.V(1).Infof("[%s] %s\n", req.Method, req.URL.String())
resp, err := c.Do(req)
if err != nil {
return nil, err
}
err = CheckResponse(resp)
if err != nil {
return resp, err
}
if v != nil {
defer resp.Body.Close()
if w, ok := v.(io.Writer); ok {
_, err = io.Copy(w, resp.Body)
} else {
if isText {
byts, err := ioutil.ReadAll(resp.Body)
if err != nil {
return resp, err
}
w := v.(*string)
*w = string(byts)
} else {
decoder := json.NewDecoder(resp.Body)
decoder.DisallowUnknownFields()
err = decoder.Decode(v)
}
}
}
return resp, err
}
type ErrorResponse struct {
Body []byte
Response *http.Response
Message string
}
func (e *ErrorResponse) Error() string {
path, _ := url.QueryUnescape(e.Response.Request.URL.Path)
u := fmt.Sprintf("%s://%s%s", e.Response.Request.URL.Scheme, e.Response.Request.URL.Host, path)
return fmt.Sprintf("%s %s: %d %s", e.Response.Request.Method, u, e.Response.StatusCode, e.Message)
}
func CheckResponse(r *http.Response) error {
switch r.StatusCode {
case 200, 201, 202, 204, 304:
return nil
}
errorResponse := &ErrorResponse{Response: r}
data, err := ioutil.ReadAll(r.Body)
if err == nil && data != nil {
errorResponse.Body = data
var raw interface{}
if err := json.Unmarshal(data, &raw); err != nil {
errorResponse.Message = string(data)
} else {
errorResponse.Message = parseError(raw)
}
}
return errorResponse
}
func parseError(raw interface{}) string {
switch raw := raw.(type) {
case string:
return raw
case []interface{}:
var errs []string
for _, v := range raw {
errs = append(errs, parseError(v))
}
return fmt.Sprintf("[%s]", strings.Join(errs, ", "))
case map[string]interface{}:
var errs []string
for k, v := range raw {
errs = append(errs, fmt.Sprintf("{%s: %s}", k, parseError(v)))
}
sort.Strings(errs)
return strings.Join(errs, ", ")
default:
return fmt.Sprintf("failed to parse unexpected error type: %T", raw)
}
}