107 lines
2.6 KiB
Go
107 lines
2.6 KiB
Go
// Copyright 2018 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package json
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import (
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"encoding/json"
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"errors"
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"net/http"
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"github.com/miniflux/miniflux/logger"
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)
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// OK sends a JSON response with the status code 200.
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func OK(w http.ResponseWriter, v interface{}) {
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commonHeaders(w)
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w.WriteHeader(http.StatusOK)
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w.Write(toJSON(v))
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}
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// Created sends a JSON response with the status code 201.
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func Created(w http.ResponseWriter, v interface{}) {
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commonHeaders(w)
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w.WriteHeader(http.StatusCreated)
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w.Write(toJSON(v))
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}
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// NoContent sends a JSON response with the status code 204.
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func NoContent(w http.ResponseWriter) {
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commonHeaders(w)
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w.WriteHeader(http.StatusNoContent)
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}
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// NotFound sends a JSON response with the status code 404.
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func NotFound(w http.ResponseWriter, err error) {
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logger.Error("[Not Found] %v", err)
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commonHeaders(w)
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w.WriteHeader(http.StatusNotFound)
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w.Write(encodeError(err))
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}
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// ServerError sends a JSON response with the status code 500.
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func ServerError(w http.ResponseWriter, err error) {
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logger.Error("[Internal Server Error] %v", err)
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commonHeaders(w)
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w.WriteHeader(http.StatusInternalServerError)
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if err != nil {
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w.Write(encodeError(err))
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}
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}
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// Forbidden sends a JSON response with the status code 403.
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func Forbidden(w http.ResponseWriter) {
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logger.Info("[Forbidden]")
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commonHeaders(w)
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w.WriteHeader(http.StatusForbidden)
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w.Write(encodeError(errors.New("Access Forbidden")))
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}
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// Unauthorized sends a JSON response with the status code 401.
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func Unauthorized(w http.ResponseWriter) {
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commonHeaders(w)
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w.WriteHeader(http.StatusUnauthorized)
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w.Write(encodeError(errors.New("Access Unauthorized")))
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}
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// BadRequest sends a JSON response with the status code 400.
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func BadRequest(w http.ResponseWriter, err error) {
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logger.Error("[Bad Request] %v", err)
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commonHeaders(w)
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w.WriteHeader(http.StatusBadRequest)
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if err != nil {
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w.Write(encodeError(err))
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}
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}
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func commonHeaders(w http.ResponseWriter) {
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w.Header().Set("Accept", "application/json")
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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}
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func encodeError(err error) []byte {
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type errorMsg struct {
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ErrorMessage string `json:"error_message"`
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}
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tmp := errorMsg{ErrorMessage: err.Error()}
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data, err := json.Marshal(tmp)
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if err != nil {
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logger.Error("json encoding error: %v", err)
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}
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return data
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}
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func toJSON(v interface{}) []byte {
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b, err := json.Marshal(v)
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if err != nil {
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logger.Error("json encoding error: %v", err)
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return []byte("")
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}
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return b
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}
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