113 lines
3.4 KiB
Go
113 lines
3.4 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package render
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"strconv"
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"github.com/drone/drone/handler/api/errors"
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)
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// indent the json-encoded API responses
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var indent bool
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func init() {
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indent, _ = strconv.ParseBool(
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os.Getenv("HTTP_JSON_INDENT"),
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)
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}
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var (
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// ErrInvalidToken is returned when the api request token is invalid.
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ErrInvalidToken = errors.New("Invalid or missing token")
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// ErrUnauthorized is returned when the user is not authorized.
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ErrUnauthorized = errors.New("Unauthorized")
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// ErrForbidden is returned when user access is forbidden.
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ErrForbidden = errors.New("Forbidden")
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// ErrNotFound is returned when a resource is not found.
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ErrNotFound = errors.New("Not Found")
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)
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// ErrorCode writes the json-encoded error message to the response.
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func ErrorCode(w http.ResponseWriter, err error, status int) {
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JSON(w, &errors.Error{Message: err.Error()}, status)
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}
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// InternalError writes the json-encoded error message to the response
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// with a 500 internal server error.
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func InternalError(w http.ResponseWriter, err error) {
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ErrorCode(w, err, 500)
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}
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// InternalErrorf writes the json-encoded error message to the response
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// with a 500 internal server error.
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func InternalErrorf(w http.ResponseWriter, format string, a ...interface{}) {
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ErrorCode(w, fmt.Errorf(format, a...), 500)
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}
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// NotFound writes the json-encoded error message to the response
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// with a 404 not found status code.
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func NotFound(w http.ResponseWriter, err error) {
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ErrorCode(w, err, 404)
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}
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// NotFoundf writes the json-encoded error message to the response
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// with a 404 not found status code.
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func NotFoundf(w http.ResponseWriter, format string, a ...interface{}) {
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ErrorCode(w, fmt.Errorf(format, a...), 404)
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}
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// Unauthorized writes the json-encoded error message to the response
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// with a 401 unauthorized status code.
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func Unauthorized(w http.ResponseWriter, err error) {
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ErrorCode(w, err, 401)
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}
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// Forbidden writes the json-encoded error message to the response
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// with a 403 forbidden status code.
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func Forbidden(w http.ResponseWriter, err error) {
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ErrorCode(w, err, 403)
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}
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// BadRequest writes the json-encoded error message to the response
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// with a 400 bad request status code.
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func BadRequest(w http.ResponseWriter, err error) {
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ErrorCode(w, err, 400)
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}
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// BadRequestf writes the json-encoded error message to the response
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// with a 400 bad request status code.
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func BadRequestf(w http.ResponseWriter, format string, a ...interface{}) {
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ErrorCode(w, fmt.Errorf(format, a...), 400)
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}
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// JSON writes the json-encoded error message to the response
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// with a 400 bad request status code.
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func JSON(w http.ResponseWriter, v interface{}, status int) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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enc := json.NewEncoder(w)
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if indent {
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enc.SetIndent("", " ")
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}
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enc.Encode(v)
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}
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