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server.go
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server.go
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// Copyright Project Harbor Authors
//
// 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 api
import (
"crypto/tls"
"fmt"
"net/http"
"time"
"context"
"github.com/goharbor/harbor/src/jobservice/config"
"github.com/goharbor/harbor/src/jobservice/logger"
)
// Server serves the http requests.
type Server struct {
// The real backend http server to serve the requests
httpServer *http.Server
// Define the routes of http service
router Router
// Keep the configurations of server
config ServerConfig
// The context
context context.Context
}
// ServerConfig contains the configurations of Server.
type ServerConfig struct {
// Protocol server listening on: https/http
Protocol string
// Server listening port
Port uint
// Cert file path if using https
Cert string
// Key file path if using https
Key string
}
// NewServer is constructor of Server.
func NewServer(ctx context.Context, router Router, cfg ServerConfig) *Server {
apiServer := &Server{
router: router,
config: cfg,
context: ctx,
}
srv := &http.Server{
Addr: fmt.Sprintf(":%d", cfg.Port),
Handler: http.HandlerFunc(router.ServeHTTP),
WriteTimeout: 15 * time.Second,
ReadTimeout: 15 * time.Second,
IdleTimeout: 60 * time.Second,
}
// Initialize TLS/SSL config if protocol is https
if cfg.Protocol == config.JobServiceProtocolHTTPS {
tlsCfg := &tls.Config{
MinVersion: tls.VersionTLS12,
CurvePreferences: []tls.CurveID{tls.CurveP521, tls.CurveP384, tls.CurveP256},
PreferServerCipherSuites: true,
CipherSuites: []uint16{
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_RSA_WITH_AES_256_CBC_SHA,
},
}
srv.TLSConfig = tlsCfg
srv.TLSNextProto = make(map[string]func(*http.Server, *tls.Conn, http.Handler), 0)
}
apiServer.httpServer = srv
return apiServer
}
// Start the server to serve requests.
// Blocking call
func (s *Server) Start() error {
defer func() {
logger.Info("API server is stopped")
}()
if s.config.Protocol == config.JobServiceProtocolHTTPS {
return s.httpServer.ListenAndServeTLS(s.config.Cert, s.config.Key)
}
return s.httpServer.ListenAndServe()
}
// Stop server gracefully.
func (s *Server) Stop() error {
shutDownCtx, cancel := context.WithTimeout(s.context, 15*time.Second)
defer cancel()
return s.httpServer.Shutdown(shutDownCtx)
}