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main.go
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main.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 main
import (
"context"
"net/http"
"os"
"os/signal"
"time"
"github.com/gorilla/mux"
apis "github.com/srinandan/cloudkms-encryption/apis"
clientapp "github.com/srinandan/cloudkms-encryption/clientapp"
types "github.com/srinandan/cloudkms-encryption/types"
)
func main() {
var wait time.Duration
const address = "0.0.0.0:8080"
//initialize
clientapp.Initialize()
r := mux.NewRouter()
r.HandleFunc("/healthz", apis.HealthHandler).
Methods("GET")
r.HandleFunc("/encrypt", apis.EncryptionHandler).
Methods("POST")
r.HandleFunc("/decrypt", apis.DecryptionHandler).
Methods("POST")
r.HandleFunc("/asmencrypt", apis.AsmEncryptionHandler).
Methods("POST")
r.HandleFunc("/asmdecrypt", apis.AsmDecryptionHandler).
Methods("POST")
//registering this handler twice since the query param is optional
r.HandleFunc("/secrets/{secretName}/{version}", apis.RetrieveSecretHandler).
Methods("GET").
Queries("encrypted", "{encrypted}")
r.HandleFunc("/secrets/{secretName}/{version}", apis.RetrieveSecretHandler).
Methods("GET")
r.HandleFunc("/secrets", apis.CreateSecretHandler).
Methods("POST")
r.HandleFunc("/storesecrets", apis.StoreSecretHandler).
Methods("POST")
types.Info.Println("Starting server - ", address)
//the following code is from gorilla mux samples
srv := &http.Server{
Addr: address,
WriteTimeout: time.Second * 15,
ReadTimeout: time.Second * 15,
IdleTimeout: time.Second * 60,
Handler: r,
}
go func() {
if err := srv.ListenAndServe(); err != nil {
types.Error.Println(err)
}
}()
c := make(chan os.Signal, 1)
// We'll accept graceful shutdowns when quit via SIGINT (Ctrl+C)
// SIGKILL, SIGQUIT or SIGTERM (Ctrl+/) will not be caught.
signal.Notify(c, os.Interrupt)
// Block until we receive our signal.
<-c
// Create a deadline to wait for.
var cancel context.CancelFunc
types.Ctx, cancel = context.WithTimeout(context.Background(), wait)
defer cancel()
// Doesn't block if no connections, but will otherwise wait
// until the timeout deadline.
srv.Shutdown(types.Ctx)
//close connection
clientapp.Close()
types.Info.Println("Shutting down")
os.Exit(0)
}