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// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package json // import "miniflux.app/v2/internal/http/response/json"
import (
"encoding/json"
"errors"
"log/slog"
"net/http"
"miniflux.app/v2/internal/http/request"
"miniflux.app/v2/internal/http/response"
)
const contentTypeHeader = `application/json`
// OK creates a new JSON response with a 200 status code.
func OK(w http.ResponseWriter, r *http.Request, body interface{}) {
builder := response.New(w, r)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSON(body))
builder.Write()
}
// Created sends a created response to the client.
func Created(w http.ResponseWriter, r *http.Request, body interface{}) {
builder := response.New(w, r)
builder.WithStatus(http.StatusCreated)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSON(body))
builder.Write()
}
// NoContent sends a no content response to the client.
func NoContent(w http.ResponseWriter, r *http.Request) {
builder := response.New(w, r)
builder.WithStatus(http.StatusNoContent)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.Write()
}
func Accepted(w http.ResponseWriter, r *http.Request) {
builder := response.New(w, r)
builder.WithStatus(http.StatusAccepted)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.Write()
}
// ServerError sends an internal error to the client.
func ServerError(w http.ResponseWriter, r *http.Request, err error) {
slog.Error(http.StatusText(http.StatusInternalServerError),
slog.Any("error", err),
slog.String("client_ip", request.ClientIP(r)),
slog.Group("request",
slog.String("method", r.Method),
slog.String("uri", r.RequestURI),
slog.String("user_agent", r.UserAgent()),
),
slog.Group("response",
slog.Int("status_code", http.StatusInternalServerError),
),
)
builder := response.New(w, r)
builder.WithStatus(http.StatusInternalServerError)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSONError(err))
builder.Write()
}
// BadRequest sends a bad request error to the client.
func BadRequest(w http.ResponseWriter, r *http.Request, err error) {
slog.Warn(http.StatusText(http.StatusBadRequest),
slog.Any("error", err),
slog.String("client_ip", request.ClientIP(r)),
slog.Group("request",
slog.String("method", r.Method),
slog.String("uri", r.RequestURI),
slog.String("user_agent", r.UserAgent()),
),
slog.Group("response",
slog.Int("status_code", http.StatusBadRequest),
),
)
builder := response.New(w, r)
builder.WithStatus(http.StatusBadRequest)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSONError(err))
builder.Write()
}
// Unauthorized sends a not authorized error to the client.
func Unauthorized(w http.ResponseWriter, r *http.Request) {
slog.Warn(http.StatusText(http.StatusUnauthorized),
slog.String("client_ip", request.ClientIP(r)),
slog.Group("request",
slog.String("method", r.Method),
slog.String("uri", r.RequestURI),
slog.String("user_agent", r.UserAgent()),
),
slog.Group("response",
slog.Int("status_code", http.StatusUnauthorized),
),
)
builder := response.New(w, r)
builder.WithStatus(http.StatusUnauthorized)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSONError(errors.New("access unauthorized")))
builder.Write()
}
// Forbidden sends a forbidden error to the client.
func Forbidden(w http.ResponseWriter, r *http.Request) {
slog.Warn(http.StatusText(http.StatusForbidden),
slog.String("client_ip", request.ClientIP(r)),
slog.Group("request",
slog.String("method", r.Method),
slog.String("uri", r.RequestURI),
slog.String("user_agent", r.UserAgent()),
),
slog.Group("response",
slog.Int("status_code", http.StatusForbidden),
),
)
builder := response.New(w, r)
builder.WithStatus(http.StatusForbidden)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSONError(errors.New("access forbidden")))
builder.Write()
}
// NotFound sends a page not found error to the client.
func NotFound(w http.ResponseWriter, r *http.Request) {
slog.Warn(http.StatusText(http.StatusNotFound),
slog.String("client_ip", request.ClientIP(r)),
slog.Group("request",
slog.String("method", r.Method),
slog.String("uri", r.RequestURI),
slog.String("user_agent", r.UserAgent()),
),
slog.Group("response",
slog.Int("status_code", http.StatusNotFound),
),
)
builder := response.New(w, r)
builder.WithStatus(http.StatusNotFound)
builder.WithHeader("Content-Type", contentTypeHeader)
builder.WithBody(toJSONError(errors.New("resource not found")))
builder.Write()
}
func toJSONError(err error) []byte {
type errorMsg struct {
ErrorMessage string `json:"error_message"`
}
return toJSON(errorMsg{ErrorMessage: err.Error()})
}
func toJSON(v interface{}) []byte {
b, err := json.Marshal(v)
if err != nil {
slog.Error("Unable to marshal JSON response", slog.Any("error", err))
return []byte("")
}
return b
}
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