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service.go
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service.go
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package service
import (
"context"
"crypto/rsa"
"fmt"
"net/http"
"github.com/plgd-dev/hub/v2/pkg/fsnotify"
"github.com/plgd-dev/hub/v2/pkg/log"
kitNetHttp "github.com/plgd-dev/hub/v2/pkg/net/http"
"github.com/plgd-dev/hub/v2/pkg/net/listener"
otelClient "github.com/plgd-dev/hub/v2/pkg/opentelemetry/collector/client"
)
const serviceName = "mock-oauth-server"
// Server handle HTTP request
type Service struct {
server *http.Server
requestHandler *RequestHandler
listener *listener.Server
}
// New parses configuration and creates new Server with provided store and bus
func New(ctx context.Context, config Config, fileWatcher *fsnotify.Watcher, logger log.Logger) (*Service, error) {
otelClient, err := otelClient.New(ctx, config.Clients.OpenTelemetryCollector.Config, serviceName, fileWatcher, logger)
if err != nil {
return nil, fmt.Errorf("cannot create open telemetry collector client: %w", err)
}
tracerProvider := otelClient.GetTracerProvider()
listener, err := listener.New(config.APIs.HTTP.Connection, fileWatcher, logger)
if err != nil {
otelClient.Close()
return nil, fmt.Errorf("cannot create http server: %w", err)
}
listener.AddCloseFunc(otelClient.Close)
closeListener := func() {
if err := listener.Close(); err != nil {
logger.Errorf("cannot close listener: %w", err)
}
}
idTokenPrivateKeyI, err := LoadPrivateKey(config.OAuthSigner.IDTokenKeyFile)
if err != nil {
closeListener()
return nil, fmt.Errorf("cannot load idTokenKeyFile(%v): %w", config.OAuthSigner.IDTokenKeyFile, err)
}
idTokenPrivateKey, ok := idTokenPrivateKeyI.(*rsa.PrivateKey)
if !ok {
closeListener()
return nil, fmt.Errorf("cannot invalid idTokenKeyFile(%T): %w", idTokenPrivateKey, err)
}
accessTokenPrivateKeyI, err := LoadPrivateKey(config.OAuthSigner.AccessTokenKeyFile)
if err != nil {
closeListener()
return nil, fmt.Errorf("cannot load private accessTokenKeyFile(%v): %w", config.OAuthSigner.AccessTokenKeyFile, err)
}
requestHandler, err := NewRequestHandler(ctx, &config, idTokenPrivateKey, accessTokenPrivateKeyI)
if err != nil {
closeListener()
return nil, fmt.Errorf("cannot create request handler: %w", err)
}
httpServer := http.Server{
Handler: kitNetHttp.OpenTelemetryNewHandler(NewHTTP(requestHandler), serviceName, tracerProvider),
ReadTimeout: config.APIs.HTTP.Server.ReadTimeout,
ReadHeaderTimeout: config.APIs.HTTP.Server.ReadHeaderTimeout,
WriteTimeout: config.APIs.HTTP.Server.WriteTimeout,
IdleTimeout: config.APIs.HTTP.Server.IdleTimeout,
}
server := Service{
server: &httpServer,
requestHandler: requestHandler,
listener: listener,
}
return &server, nil
}
// Serve starts the service's HTTP server and blocks
func (s *Service) Serve() error {
return s.server.Serve(s.listener)
}
// Shutdown ends serving
func (s *Service) Shutdown() error {
return s.server.Shutdown(context.Background())
}