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email_verified.go
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email_verified.go
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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package middleware defines shared middleware for handlers.
package middleware
import (
"net/http"
"github.com/google/exposure-notifications-verification-server/internal/auth"
"github.com/google/exposure-notifications-verification-server/pkg/controller"
"github.com/google/exposure-notifications-verification-server/pkg/database"
"github.com/google/exposure-notifications-verification-server/pkg/render"
"github.com/gorilla/mux"
)
// RequireEmailVerified requires a user to have verified their login email.
//
// MUST first run RequireAuth to populate user and RequireRealm to populate the
// realm.
func RequireEmailVerified(authProvider auth.Provider, h *render.Renderer) mux.MiddlewareFunc {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
session := controller.SessionFromContext(ctx)
if session == nil {
controller.MissingSession(w, r, h)
return
}
membership := controller.MembershipFromContext(ctx)
if membership == nil {
controller.MissingMembership(w, r, h)
return
}
currentRealm := membership.Realm
// Only try to verify email if the realm requires it.
if currentRealm.EmailVerifiedMode == database.MFARequired ||
(currentRealm.EmailVerifiedMode == database.MFAOptionalPrompt && !controller.EmailVerificationPromptedFromSession(session)) {
verified, err := authProvider.EmailVerified(ctx, session)
if err != nil {
controller.InternalError(w, r, h, err)
return
}
if !verified {
http.Redirect(w, r, "/login/manage-account?mode=verifyEmail", http.StatusSeeOther)
return
}
}
next.ServeHTTP(w, r)
})
}
}