65 lines
2 KiB
Go
65 lines
2 KiB
Go
// Copyright 2017 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 middleware
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import (
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"context"
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"log"
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"net/http"
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"github.com/miniflux/miniflux/storage"
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)
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// BasicAuthMiddleware is the middleware for HTTP Basic authentication.
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type BasicAuthMiddleware struct {
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store *storage.Storage
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}
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// Handler executes the middleware.
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func (b *BasicAuthMiddleware) Handler(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
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errorResponse := `{"error_message": "Not Authorized"}`
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username, password, authOK := r.BasicAuth()
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if !authOK {
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log.Println("[Middleware:BasicAuth] No authentication headers sent")
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(errorResponse))
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return
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}
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if err := b.store.CheckPassword(username, password); err != nil {
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log.Println("[Middleware:BasicAuth] Invalid username or password:", username)
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(errorResponse))
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return
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}
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user, err := b.store.UserByUsername(username)
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if err != nil || user == nil {
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log.Println("[Middleware:BasicAuth] User not found:", username)
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(errorResponse))
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return
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}
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log.Println("[Middleware:BasicAuth] User authenticated:", username)
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b.store.SetLastLogin(user.ID)
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ctx := r.Context()
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ctx = context.WithValue(ctx, UserIDContextKey, user.ID)
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ctx = context.WithValue(ctx, UserTimezoneContextKey, user.Timezone)
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ctx = context.WithValue(ctx, IsAdminUserContextKey, user.IsAdmin)
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ctx = context.WithValue(ctx, IsAuthenticatedContextKey, true)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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// NewBasicAuthMiddleware returns a new BasicAuthMiddleware.
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func NewBasicAuthMiddleware(s *storage.Storage) *BasicAuthMiddleware {
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return &BasicAuthMiddleware{store: s}
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}
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