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// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package api // import "miniflux.app/api"
import (
"context"
"net/http"
"miniflux.app/http/request"
"miniflux.app/http/response/json"
"miniflux.app/logger"
"miniflux.app/storage"
)
type middleware struct {
store *storage.Storage
}
func newMiddleware(s *storage.Storage) *middleware {
return &middleware{s}
}
func (m *middleware) handleCORS(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "X-Auth-Token")
if r.Method == http.MethodOptions {
w.WriteHeader(http.StatusOK)
return
}
next.ServeHTTP(w, r)
})
}
func (m *middleware) apiKeyAuth(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
clientIP := request.ClientIP(r)
token := r.Header.Get("X-Auth-Token")
if token == "" {
logger.Debug("[API][TokenAuth] [ClientIP=%s] No API Key provided, go to the next middleware", clientIP)
next.ServeHTTP(w, r)
return
}
user, err := m.store.UserByAPIKey(token)
if err != nil {
logger.Error("[API][TokenAuth] %v", err)
json.ServerError(w, r, err)
return
}
if user == nil {
logger.Error("[API][TokenAuth] [ClientIP=%s] No user found with the given API key", clientIP)
json.Unauthorized(w, r)
return
}
logger.Info("[API][TokenAuth] [ClientIP=%s] User authenticated: %s", clientIP, user.Username)
m.store.SetLastLogin(user.ID)
m.store.SetAPIKeyUsedTimestamp(user.ID, token)
ctx := r.Context()
ctx = context.WithValue(ctx, request.UserIDContextKey, user.ID)
ctx = context.WithValue(ctx, request.UserTimezoneContextKey, user.Timezone)
ctx = context.WithValue(ctx, request.IsAdminUserContextKey, user.IsAdmin)
ctx = context.WithValue(ctx, request.IsAuthenticatedContextKey, true)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
func (m *middleware) basicAuth(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if request.IsAuthenticated(r) {
next.ServeHTTP(w, r)
return
}
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
clientIP := request.ClientIP(r)
username, password, authOK := r.BasicAuth()
if !authOK {
logger.Debug("[API][BasicAuth] [ClientIP=%s] No authentication headers sent", clientIP)
json.Unauthorized(w, r)
return
}
if err := m.store.CheckPassword(username, password); err != nil {
logger.Error("[API][BasicAuth] [ClientIP=%s] Invalid username or password: %s", clientIP, username)
json.Unauthorized(w, r)
return
}
user, err := m.store.UserByUsername(username)
if err != nil {
logger.Error("[API][BasicAuth] %v", err)
json.ServerError(w, r, err)
return
}
if user == nil {
logger.Error("[API][BasicAuth] [ClientIP=%s] User not found: %s", clientIP, username)
json.Unauthorized(w, r)
return
}
logger.Info("[API][BasicAuth] [ClientIP=%s] User authenticated: %s", clientIP, username)
m.store.SetLastLogin(user.ID)
ctx := r.Context()
ctx = context.WithValue(ctx, request.UserIDContextKey, user.ID)
ctx = context.WithValue(ctx, request.UserTimezoneContextKey, user.Timezone)
ctx = context.WithValue(ctx, request.IsAdminUserContextKey, user.IsAdmin)
ctx = context.WithValue(ctx, request.IsAuthenticatedContextKey, true)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
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