harbor/src/core/utils/response_handlers.go
MinerYang ebac530b46
add goheader linter settings (#18503)
fix files for goheader linter

fix copyright 2018/2019

Signed-off-by: yminer <yminer@vmware.com>
2023-04-25 11:18:42 +08:00

90 lines
2.5 KiB
Go

// Copyright Project Harbor Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package utils
import (
"fmt"
"io"
"net/http"
"github.com/goharbor/harbor/src/common/api"
"github.com/goharbor/harbor/src/lib/log"
)
// ResponseHandler provides utility to handle http response.
type ResponseHandler interface {
Handle(*http.Response) error
}
// StatusRespHandler handles the response to check if the status is expected, if not returns an error.
type StatusRespHandler struct {
status int
}
// Handle ...
func (s StatusRespHandler) Handle(resp *http.Response) error {
defer resp.Body.Close()
if resp.StatusCode != s.status {
b, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
return fmt.Errorf("unexpected status code: %d, text: %s", resp.StatusCode, string(b))
}
return nil
}
// NewStatusRespHandler ...
func NewStatusRespHandler(sc int) ResponseHandler {
return StatusRespHandler{
status: sc,
}
}
// JobLogRespHandler handles the response from jobservice to show the log of a job
type JobLogRespHandler struct {
theAPI *api.BaseAPI
}
// Handle will consume the response of job service and put the content of the job log in the response of the API.
func (h JobLogRespHandler) Handle(resp *http.Response) error {
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
h.theAPI.Ctx.ResponseWriter.Header().Set("Content-Length", resp.Header.Get("Content-Length"))
h.theAPI.Ctx.ResponseWriter.Header().Set("Content-Type", "text/plain")
if _, err := io.Copy(h.theAPI.Ctx.ResponseWriter, resp.Body); err != nil {
log.Errorf("failed to write log to response; %v", err)
return err
}
return nil
}
b, err := io.ReadAll(resp.Body)
if err != nil {
log.Errorf("failed to read response body: %v", err)
return err
}
h.theAPI.RenderError(resp.StatusCode, fmt.Sprintf("message from jobservice: %s", string(b)))
return nil
}
// NewJobLogRespHandler ...
func NewJobLogRespHandler(apiHandler *api.BaseAPI) ResponseHandler {
return &JobLogRespHandler{
theAPI: apiHandler,
}
}