109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package request
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"slices"
|
|
|
|
"github.com/cenkalti/backoff/v4"
|
|
)
|
|
|
|
var (
|
|
FormContent = "application/x-www-form-urlencoded"
|
|
JSONContent = "application/json"
|
|
PlainContent = "text/plain"
|
|
XMLContent = "application/xml"
|
|
|
|
// URLEncoding specifies application/x-www-form-urlencoded
|
|
URLEncoding = map[string]string{"Content-Type": FormContent}
|
|
|
|
// JSONEncoding specifies application/json
|
|
JSONEncoding = map[string]string{
|
|
"Content-Type": JSONContent,
|
|
"Accept": JSONContent,
|
|
}
|
|
|
|
// AcceptJSON accepting application/json
|
|
AcceptJSON = map[string]string{
|
|
"Accept": JSONContent,
|
|
}
|
|
|
|
// XMLEncoding specifies application/xml
|
|
XMLEncoding = map[string]string{
|
|
"Content-Type": XMLContent,
|
|
"Accept": XMLContent,
|
|
}
|
|
|
|
// AcceptXML accepting application/xml
|
|
AcceptXML = map[string]string{
|
|
"Accept": XMLContent,
|
|
}
|
|
)
|
|
|
|
// StatusError indicates unsuccessful http response
|
|
type StatusError struct {
|
|
resp *http.Response
|
|
}
|
|
|
|
func NewStatusError(resp *http.Response) *StatusError {
|
|
return &StatusError{resp: resp}
|
|
}
|
|
|
|
func (e *StatusError) Error() string {
|
|
req := e.resp.Request
|
|
return fmt.Sprintf("unexpected status: %d (%s) %s %s", e.resp.StatusCode, http.StatusText(e.resp.StatusCode), req.Method, req.URL)
|
|
}
|
|
|
|
// Response returns the response with the unexpected error
|
|
func (e *StatusError) Response() *http.Response {
|
|
return e.resp
|
|
}
|
|
|
|
// StatusCode returns the response's status code
|
|
func (e *StatusError) StatusCode() int {
|
|
return e.resp.StatusCode
|
|
}
|
|
|
|
// HasStatus returns true if the response's status code matches any of the given codes
|
|
func (e *StatusError) HasStatus(codes ...int) bool {
|
|
return slices.Contains(codes, e.resp.StatusCode)
|
|
}
|
|
|
|
// ResponseError turns an HTTP status code into an error
|
|
func ResponseError(resp *http.Response) error {
|
|
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
|
|
return &StatusError{resp: resp}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ReadBody reads HTTP response and returns error on response codes other than HTTP 2xx. It closes the request body after reading.
|
|
func ReadBody(resp *http.Response) ([]byte, error) {
|
|
defer resp.Body.Close()
|
|
|
|
b, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
|
|
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
|
|
return b, backoff.Permanent(&StatusError{resp: resp})
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
// New builds and executes HTTP request and returns the response
|
|
func New(method, uri string, data io.Reader, headers ...map[string]string) (*http.Request, error) {
|
|
req, err := http.NewRequest(method, uri, data)
|
|
if err == nil {
|
|
for _, headers := range headers {
|
|
for k, v := range headers {
|
|
req.Header.Add(k, v)
|
|
}
|
|
}
|
|
}
|
|
|
|
return req, err
|
|
}
|