feat(auth): accept clock skew for token validation

.gitignore

@@ -4,7 +4,7 @@ dist/
 /tools
 /tmp
 /state.json
-/emissary.sqlite
+/emissary.sqlite*
 /.gitea-release
 /agent-key.json
 /apps

Jenkinsfile

@@ -0,0 +1,70 @@
+@Library('cadoles') _
+
+pipeline {
+    agent {
+        dockerfile {
+            label 'docker'
+            filename 'Dockerfile'
+            dir 'misc/jenkins'
+        }
+    }
+
+    stages {
+        stage('Run unit tests') {
+            steps {
+                script {
+                    withCredentials([
+                        usernamePassword([
+                        credentialsId: 'forge-jenkins',
+                        usernameVariable: 'GIT_USERNAME',
+                        passwordVariable: 'GIT_PASSWORD'
+                        ])
+                    ]) {
+                        sh '''
+                        git config --global credential.https://forge.cadoles.com.username "$GIT_USERNAME"
+                        git config --global credential.https://forge.cadoles.com.helper '!f() { test "$1" = get && echo "password=$GIT_PASSWORD"; }; f'
+
+                        export GOPRIVATE=forge.cadoles.com/arcad/edge
+                        make test
+                        '''
+                    }
+                }
+            }
+        }
+
+        stage('Release') {
+            when {
+                anyOf {
+                    branch 'master'
+                    branch 'develop'
+                }
+            }
+            steps {
+                script {
+                    withCredentials([
+                        usernamePassword([
+                        credentialsId: 'forge-jenkins',
+                        usernameVariable: 'GITEA_RELEASE_USERNAME',
+                        passwordVariable: 'GITEA_RELEASE_PASSWORD'
+                        ])
+                    ]) {
+                        sh 'make gitea-release'
+                    }
+                    def currentVersion = sh(returnStdout: true, script: 'make full-version').trim()
+                    build(
+                        job: "../emissary-firmware/${env.GIT_BRANCH}",
+                        parameters: [
+                            [$class: 'StringParameterValue', name: 'emissaryRelease', value: currentVersion]
+                        ]
+                    )
+                }
+            }
+        }
+    }
+
+    post {
+        always {
+            cleanWs()
+        }
+    }
+}

Makefile

@@ -135,7 +135,7 @@ gitea-release: tools/gitea-release/bin/gitea-release.sh goreleaser
 		GITEA_RELEASE_COMMITISH_TARGET="$(GIT_VERSION)" \
 		GITEA_RELEASE_IS_DRAFT="false" \
 		GITEA_RELEASE_BODY="" \
-		GITEA_RELEASE_ATTACHMENTS="$(shell find .gitea-release/* -type f)" \
+		GITEA_RELEASE_ATTACHMENTS="$$(find .gitea-release/* -type f)" \
 		tools/gitea-release/bin/gitea-release.sh
 
 tools/gitea-release/bin/gitea-release.sh:
@@ -150,4 +150,7 @@ AGENT_ID ?= 1
 
 load-sample-specs:
 	cat misc/spec-samples/app.emissary.cadoles.com.json | ./bin/server api agent spec update -a $(AGENT_ID) --no-patch --spec-data - --spec-name app.emissary.cadoles.com
-	cat misc/spec-samples/proxy.emissary.cadoles.com.json | ./bin/server api agent spec update -a $(AGENT_ID) --no-patch --spec-data - --spec-name proxy.emissary.cadoles.com
+	cat misc/spec-samples/proxy.emissary.cadoles.com.json | ./bin/server api agent spec update -a $(AGENT_ID) --no-patch --spec-data - --spec-name proxy.emissary.cadoles.com
+
+full-version:
+	@echo $(FULL_VERSION)

cmd/agent/main.go

@@ -7,6 +7,7 @@ import (
 	"forge.cadoles.com/Cadoles/emissary/internal/command/agent"
 	"forge.cadoles.com/Cadoles/emissary/internal/command/api"
 
+	_ "forge.cadoles.com/Cadoles/emissary/internal/imports/format"
 	_ "forge.cadoles.com/Cadoles/emissary/internal/imports/spec"
 )
 

go.mod

@@ -4,6 +4,7 @@ go 1.19
 
 require (
 	forge.cadoles.com/arcad/edge v0.0.0-20230328183829-d8ce2901d2ab
+	github.com/Masterminds/sprig/v3 v3.2.3
 	github.com/alecthomas/participle/v2 v2.0.0-beta.5
 	github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883
 	github.com/btcsuite/btcd/btcutil v1.1.3
@@ -31,7 +32,6 @@ require (
 require (
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.2.0 // indirect
-	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
 	github.com/barnybug/go-cast v0.0.0-20201201064555-a87ccbc26692 // indirect
 	github.com/dop251/goja_nodejs v0.0.0-20230320130059-dcf93ba651dd // indirect
 	github.com/gabriel-vasile/mimetype v1.4.1 // indirect

go.sum

@@ -54,10 +54,6 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-forge.cadoles.com/arcad/edge v0.0.0-20230322170544-cf8a3f8ac077 h1:vsYcNHZevZrs0VeOTasvJoqvPynb8OvH+MMpIUvNT6Q=
-forge.cadoles.com/arcad/edge v0.0.0-20230322170544-cf8a3f8ac077/go.mod h1:ONd6vyQ0IM0vHi1i+bmZBRc1Fd0BoXMuDdY/+0sZefw=
-forge.cadoles.com/arcad/edge v0.0.0-20230328081549-e09de0b0a4f4 h1:ZBBOOKqCEt6F9/Ikkwc2xwYDr7JpLybvxtoRJwXt7Gw=
-forge.cadoles.com/arcad/edge v0.0.0-20230328081549-e09de0b0a4f4/go.mod h1:ONd6vyQ0IM0vHi1i+bmZBRc1Fd0BoXMuDdY/+0sZefw=
 forge.cadoles.com/arcad/edge v0.0.0-20230328183829-d8ce2901d2ab h1:xOtzLAYOUcKd/VBx/PzL2riC0zNuQ/cxxf5r3AmEvJE=
 forge.cadoles.com/arcad/edge v0.0.0-20230328183829-d8ce2901d2ab/go.mod h1:ONd6vyQ0IM0vHi1i+bmZBRc1Fd0BoXMuDdY/+0sZefw=
 gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=

internal/agent/controller/app/app_handler.go

@@ -28,6 +28,8 @@ import (
 	"github.com/pkg/errors"
 )
 
+const defaultSQLiteParams = "?_pragma=foreign_keys(1)&_pragma=journal_mode(WAL)&_txlock=immediate"
+
 func (c *Controller) getHandlerOptions(ctx context.Context, appKey string, specs *spec.Spec) ([]edgeHTTP.HandlerOptionFunc, error) {
 	dataDir, err := c.ensureAppDataDir(ctx, appKey)
 	if err != nil {
@@ -35,7 +37,7 @@ func (c *Controller) getHandlerOptions(ctx context.Context, appKey string, specs
 	}
 
 	dbFile := filepath.Join(dataDir, appKey+".sqlite")
-	db, err := sqlite.Open(dbFile)
+	db, err := sqlite.Open(dbFile + defaultSQLiteParams)
 	if err != nil {
 		return nil, errors.Wrapf(err, "could not open database file '%s'", dbFile)
 	}
@@ -51,10 +53,8 @@ func (c *Controller) getHandlerOptions(ctx context.Context, appKey string, specs
 		bundles = append(bundles, path)
 	}
 
-	getAppURL := createGetAppURL(specs)
-
 	bus := memory.NewBus()
-	modules := getAppModules(bus, db, specs, keySet, getAppURL, bundles)
+	modules := c.getAppModules(bus, db, specs, keySet)
 
 	options := []edgeHTTP.HandlerOptionFunc{
 		edgeHTTP.WithBus(bus),
@@ -148,7 +148,7 @@ func createGetAppURL(specs *spec.Spec) GetURLFunc {
 	}
 }
 
-func getAppModules(bus bus.Bus, db *sql.DB, spec *appSpec.Spec, keySet jwk.Set, getAppURL GetURLFunc, bundles []string) []app.ServerModuleFactory {
+func (c *Controller) getAppModules(bus bus.Bus, db *sql.DB, spec *appSpec.Spec, keySet jwk.Set) []app.ServerModuleFactory {
 	ds := sqlite.NewDocumentStoreWithDB(db)
 	bs := sqlite.NewBlobStoreWithDB(db)
 
@@ -185,6 +185,6 @@ func getAppModules(bus bus.Bus, db *sql.DB, spec *appSpec.Spec, keySet jwk.Set,
 				}
 			},
 		),
-		appModule.ModuleFactory(NewAppRepository(getAppURL, bundles...)),
+		appModule.ModuleFactory(c.appRepository),
 	}
 }

internal/agent/controller/app/app_repository.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"context"
+	"sync"
 
 	"forge.cadoles.com/arcad/edge/pkg/app"
 	"forge.cadoles.com/arcad/edge/pkg/bundle"
@@ -15,10 +16,14 @@ type GetURLFunc func(context.Context, *app.Manifest) (string, error)
 type AppRepository struct {
 	getURL  GetURLFunc
 	bundles []string
+	mutex   sync.RWMutex
 }
 
 // Get implements app.Repository
 func (r *AppRepository) Get(ctx context.Context, id app.ID) (*app.Manifest, error) {
+	r.mutex.RLock()
+	defer r.mutex.RUnlock()
+
 	manifest, err := r.findManifest(ctx, id)
 	if err != nil {
 		return nil, errors.WithStack(err)
@@ -29,6 +34,9 @@ func (r *AppRepository) Get(ctx context.Context, id app.ID) (*app.Manifest, erro
 
 // GetURL implements app.Repository
 func (r *AppRepository) GetURL(ctx context.Context, id app.ID) (string, error) {
+	r.mutex.RLock()
+	defer r.mutex.RUnlock()
+
 	manifest, err := r.findManifest(ctx, id)
 	if err != nil {
 		return "", errors.WithStack(err)
@@ -44,6 +52,9 @@ func (r *AppRepository) GetURL(ctx context.Context, id app.ID) (string, error) {
 
 // List implements app.Repository
 func (r *AppRepository) List(ctx context.Context) ([]*app.Manifest, error) {
+	r.mutex.RLock()
+	defer r.mutex.RUnlock()
+
 	manifests := make([]*app.Manifest, 0)
 
 	for _, path := range r.bundles {
@@ -69,6 +80,14 @@ func (r *AppRepository) List(ctx context.Context) ([]*app.Manifest, error) {
 	return manifests, nil
 }
 
+func (r *AppRepository) Update(getURL GetURLFunc, bundles []string) {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	r.getURL = getURL
+	r.bundles = bundles
+}
+
 func (r *AppRepository) findManifest(ctx context.Context, id app.ID) (*app.Manifest, error) {
 	for _, path := range r.bundles {
 		bundleCtx := logger.With(ctx, logger.F("path", path))
@@ -97,8 +116,13 @@ func (r *AppRepository) findManifest(ctx context.Context, id app.ID) (*app.Manif
 	return nil, errors.WithStack(appModule.ErrNotFound)
 }
 
-func NewAppRepository(getURL GetURLFunc, bundles ...string) *AppRepository {
-	return &AppRepository{getURL, bundles}
+func NewAppRepository() *AppRepository {
+	return &AppRepository{
+		getURL: func(ctx context.Context, m *app.Manifest) (string, error) {
+			return "", errors.New("unavailable")
+		},
+		bundles: []string{},
+	}
 }
 
 var _ appModule.Repository = &AppRepository{}

internal/agent/controller/app/controller.go

@@ -16,15 +16,16 @@ import (
 )
 
 type serverEntry struct {
-	SpecHash uint64
-	Server   *Server
+	AppDefHash uint64
+	Server     *Server
 }
 
 type Controller struct {
-	client      *http.Client
-	downloadDir string
-	dataDir     string
-	servers     map[string]*serverEntry
+	client        *http.Client
+	downloadDir   string
+	dataDir       string
+	servers       map[string]*serverEntry
+	appRepository *AppRepository
 }
 
 // Name implements node.Controller.
@@ -95,7 +96,9 @@ func (c *Controller) updateApps(ctx context.Context, specs *spec.Spec) {
 		}
 	}
 
-	// (Re)start apps
+	c.updateAppRepository(ctx, specs)
+
+	// (Re)start apps if necessary
 	for appKey := range specs.Apps {
 		appCtx := logger.With(ctx, logger.F("appKey", appKey))
 
@@ -106,10 +109,35 @@ func (c *Controller) updateApps(ctx context.Context, specs *spec.Spec) {
 	}
 }
 
+func (c *Controller) updateAppRepository(ctx context.Context, specs *spec.Spec) {
+	bundles := make([]string, 0, len(specs.Apps))
+	for appKey, app := range specs.Apps {
+		path := c.getAppBundlePath(appKey, app.Format)
+		bundles = append(bundles, path)
+	}
+
+	getURL := createGetAppURL(specs)
+
+	c.appRepository.Update(getURL, bundles)
+}
+
 func (c *Controller) updateApp(ctx context.Context, specs *spec.Spec, appKey string) (err error) {
 	appEntry := specs.Apps[appKey]
 
-	newAppSpecHash, err := hashstructure.Hash(appEntry, hashstructure.FormatV2, nil)
+	var auth *spec.Auth
+	if specs.Config != nil {
+		auth = specs.Config.Auth
+	}
+
+	appDef := struct {
+		App  spec.AppEntry
+		Auth *spec.Auth
+	}{
+		App:  appEntry,
+		Auth: auth,
+	}
+
+	newAppDefHash, err := hashstructure.Hash(appDef, hashstructure.FormatV2, nil)
 	if err != nil {
 		return errors.WithStack(err)
 	}
@@ -148,20 +176,20 @@ func (c *Controller) updateApp(ctx context.Context, specs *spec.Spec, appKey str
 		}
 
 		server = &serverEntry{
-			Server:   NewServer(bundle, auth, options...),
-			SpecHash: 0,
+			Server:     NewServer(bundle, auth, options...),
+			AppDefHash: 0,
 		}
 
 		c.servers[appKey] = server
 	}
 
-	specChanged := newAppSpecHash != server.SpecHash
+	defChanged := newAppDefHash != server.AppDefHash
 
-	if server.Server.Running() && !specChanged {
+	if server.Server.Running() && !defChanged {
 		return nil
 	}
 
-	if specChanged && server.SpecHash != 0 {
+	if defChanged && server.AppDefHash != 0 {
 		logger.Info(
 			ctx, "restarting app",
 			logger.F("address", appEntry.Address),
@@ -179,7 +207,7 @@ func (c *Controller) updateApp(ctx context.Context, specs *spec.Spec, appKey str
 		return errors.Wrap(err, "could not start app")
 	}
 
-	server.SpecHash = newAppSpecHash
+	server.AppDefHash = newAppDefHash
 
 	return nil
 }
@@ -294,10 +322,11 @@ func NewController(funcs ...OptionFunc) *Controller {
 	}
 
 	return &Controller{
-		client:      opts.Client,
-		downloadDir: opts.DownloadDir,
-		dataDir:     opts.DataDir,
-		servers:     make(map[string]*serverEntry),
+		client:        opts.Client,
+		downloadDir:   opts.DownloadDir,
+		dataDir:       opts.DataDir,
+		servers:       make(map[string]*serverEntry),
+		appRepository: NewAppRepository(),
 	}
 }
 

internal/agent/controller/app/server.go

@@ -3,11 +3,13 @@ package app
 import (
 	"context"
 	"net/http"
+	"strings"
 	"sync"
 	"time"
 
 	"forge.cadoles.com/Cadoles/emissary/internal/agent/controller/app/spec"
 	appSpec "forge.cadoles.com/Cadoles/emissary/internal/agent/controller/app/spec"
+	"forge.cadoles.com/Cadoles/emissary/internal/proxy/wildcard"
 	edgeHTTP "forge.cadoles.com/arcad/edge/pkg/http"
 	authHTTP "forge.cadoles.com/arcad/edge/pkg/module/auth/http"
 	"gitlab.com/wpetit/goweb/logger"
@@ -33,12 +35,15 @@ type Server struct {
 }
 
 func (s *Server) Start(ctx context.Context, addr string) (err error) {
-	if s.server != nil {
+	if s.Running() {
 		if err := s.Stop(); err != nil {
 			return errors.WithStack(err)
 		}
 	}
 
+	s.serverMutex.Lock()
+	defer s.serverMutex.Unlock()
+
 	router := chi.NewRouter()
 
 	router.Use(middleware.Logger)
@@ -83,9 +88,7 @@ func (s *Server) Start(ctx context.Context, addr string) (err error) {
 		}
 	}()
 
-	s.serverMutex.Lock()
 	s.server = server
-	s.serverMutex.Unlock()
 
 	return nil
 }
@@ -98,20 +101,25 @@ func (s *Server) Running() bool {
 }
 
 func (s *Server) Stop() error {
+	if !s.Running() {
+		return nil
+	}
+
+	s.serverMutex.Lock()
+	defer s.serverMutex.Unlock()
+
 	if s.server == nil {
 		return nil
 	}
 
-	defer func() {
-		s.serverMutex.Lock()
-		s.server = nil
-		s.serverMutex.Unlock()
-	}()
-
 	if err := s.server.Close(); err != nil {
-		panic(errors.WithStack(err))
+		s.server = nil
+
+		return errors.WithStack(err)
 	}
 
+	s.server = nil
+
 	return nil
 }
 
@@ -140,6 +148,10 @@ func (s *Server) configureAuth(router chi.Router, auth *spec.Auth) error {
 			}
 		}
 
+		if s.auth.Local.CookieDomain != "" {
+			router.Use(invalidCookieDomainRedirect(s.auth.Local.CookieDomain))
+		}
+
 		router.Handle("/auth/*", authHTTP.NewLocalHandler(
 			jwa.HS256, key,
 			authHTTP.WithRoutePrefix("/auth"),
@@ -158,3 +170,33 @@ func NewServer(bundle bundle.Bundle, auth *appSpec.Auth, handlerOptions ...edgeH
 		handlerOptions: handlerOptions,
 	}
 }
+
+func invalidCookieDomainRedirect(cookieDomain string) func(http.Handler) http.Handler {
+	domain := strings.TrimPrefix(cookieDomain, ".")
+	hostPattern := "*" + domain
+
+	return func(h http.Handler) http.Handler {
+		fn := func(w http.ResponseWriter, r *http.Request) {
+			hostParts := strings.SplitN(r.Host, ":", 2)
+
+			if !wildcard.Match(hostParts[0], hostPattern) {
+				url := r.URL
+
+				newHost := domain
+				if len(hostParts) > 1 {
+					newHost += ":" + hostParts[1]
+				}
+
+				url.Host = newHost
+
+				http.Redirect(w, r, url.String(), http.StatusTemporaryRedirect)
+
+				return
+			}
+
+			h.ServeHTTP(w, r)
+		}
+
+		return http.HandlerFunc(fn)
+	}
+}

internal/auth/agent/authenticator.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"net/http"
 	"strings"
+	"time"
 
 	"forge.cadoles.com/Cadoles/emissary/internal/auth"
 	"forge.cadoles.com/Cadoles/emissary/internal/datastore"
@@ -13,8 +14,11 @@ import (
 	"gitlab.com/wpetit/goweb/logger"
 )
 
+const DefaultAcceptableSkew = 5 * time.Minute
+
 type Authenticator struct {
-	repo datastore.AgentRepository
+	repo           datastore.AgentRepository
+	acceptableSkew time.Duration
 }
 
 // Authenticate implements auth.Authenticator.
@@ -71,11 +75,19 @@ func (a *Authenticator) Authenticate(ctx context.Context, r *http.Request) (auth
 		[]byte(rawToken),
 		jwt.WithKeySet(agent.KeySet.Set, jws.WithRequireKid(false)),
 		jwt.WithValidate(true),
+		jwt.WithAcceptableSkew(a.acceptableSkew),
 	)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
 
+	contactedAt := time.Now()
+
+	agent, err = a.repo.Update(ctx, agent.ID, datastore.WithAgentUpdateContactedAt(contactedAt))
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	user := &User{
 		agent: agent,
 	}
@@ -83,9 +95,10 @@ func (a *Authenticator) Authenticate(ctx context.Context, r *http.Request) (auth
 	return user, nil
 }
 
-func NewAuthenticator(repo datastore.AgentRepository) *Authenticator {
+func NewAuthenticator(repo datastore.AgentRepository, acceptableSkew time.Duration) *Authenticator {
 	return &Authenticator{
-		repo: repo,
+		repo:           repo,
+		acceptableSkew: acceptableSkew,
 	}
 }
 

internal/auth/agent/jwt.go

@@ -18,7 +18,7 @@ func GenerateToken(key jwk.Key, thumbprint string) (string, error) {
 		return "", errors.WithStack(err)
 	}
 
-	now := time.Now()
+	now := time.Now().UTC()
 
 	if err := token.Set(jwt.NotBeforeKey, now); err != nil {
 		return "", errors.WithStack(err)

internal/auth/thirdparty/authenticator.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"net/http"
 	"strings"
+	"time"
 
 	"forge.cadoles.com/Cadoles/emissary/internal/auth"
 	"forge.cadoles.com/Cadoles/emissary/internal/jwk"
@@ -11,9 +12,12 @@ import (
 	"gitlab.com/wpetit/goweb/logger"
 )
 
+const DefaultAcceptableSkew = 5 * time.Minute
+
 type Authenticator struct {
-	keys   jwk.Set
-	issuer string
+	keys           jwk.Set
+	issuer         string
+	acceptableSkew time.Duration
 }
 
 // Authenticate implements auth.Authenticator.
@@ -30,7 +34,7 @@ func (a *Authenticator) Authenticate(ctx context.Context, r *http.Request) (auth
 		return nil, errors.WithStack(auth.ErrUnauthenticated)
 	}
 
-	token, err := parseToken(ctx, a.keys, a.issuer, rawToken)
+	token, err := parseToken(ctx, a.keys, a.issuer, rawToken, a.acceptableSkew)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -57,10 +61,11 @@ func (a *Authenticator) Authenticate(ctx context.Context, r *http.Request) (auth
 	return user, nil
 }
 
-func NewAuthenticator(keys jwk.Set, issuer string) *Authenticator {
+func NewAuthenticator(keys jwk.Set, issuer string, acceptableSkew time.Duration) *Authenticator {
 	return &Authenticator{
-		keys:   keys,
-		issuer: issuer,
+		keys:           keys,
+		issuer:         issuer,
+		acceptableSkew: acceptableSkew,
 	}
 }
 

internal/auth/thirdparty/jwt.go

@@ -13,12 +13,13 @@ import (
 
 const keyRole = "role"
 
-func parseToken(ctx context.Context, keys jwk.Set, issuer string, rawToken string) (jwt.Token, error) {
+func parseToken(ctx context.Context, keys jwk.Set, issuer string, rawToken string, acceptableSkew time.Duration) (jwt.Token, error) {
 	token, err := jwt.Parse(
 		[]byte(rawToken),
 		jwt.WithKeySet(keys, jws.WithRequireKid(false)),
 		jwt.WithIssuer(issuer),
 		jwt.WithValidate(true),
+		jwt.WithAcceptableSkew(acceptableSkew),
 	)
 	if err != nil {
 		return nil, errors.WithStack(err)
@@ -42,7 +43,7 @@ func GenerateToken(ctx context.Context, key jwk.Key, issuer, subject string, rol
 		return "", errors.WithStack(err)
 	}
 
-	now := time.Now()
+	now := time.Now().UTC()
 
 	if err := token.Set(jwt.NotBeforeKey, now); err != nil {
 		return "", errors.WithStack(err)

internal/client/update_agent.go

@@ -10,6 +10,7 @@ import (
 
 type UpdateAgentOptions struct {
 	Status  *int
+	Label   *string
 	Options []OptionFunc
 }
 
@@ -21,6 +22,12 @@ func WithAgentStatus(status int) UpdateAgentOptionFunc {
 	}
 }
 
+func WithAgentLabel(label string) UpdateAgentOptionFunc {
+	return func(opts *UpdateAgentOptions) {
+		opts.Label = &label
+	}
+}
+
 func WithUpdateAgentsOptions(funcs ...OptionFunc) UpdateAgentOptionFunc {
 	return func(opts *UpdateAgentOptions) {
 		opts.Options = funcs
@@ -39,6 +46,10 @@ func (c *Client) UpdateAgent(ctx context.Context, agentID datastore.AgentID, fun
 		payload["status"] = *opts.Status
 	}
 
+	if opts.Label != nil {
+		payload["label"] = *opts.Label
+	}
+
 	response := withResponse[struct {
 		Agent *datastore.Agent `json:"agent"`
 	}]()

internal/command/agent/run.go

@@ -49,10 +49,6 @@ func RunCommand() *cli.Command {
 				controllers = append(controllers, spec.NewController())
 			}
 
-			if ctrlConf.Proxy.Enabled {
-				controllers = append(controllers, proxy.NewController())
-			}
-
 			if ctrlConf.UCI.Enabled {
 				controllers = append(controllers, openwrt.NewUCIController(
 					string(ctrlConf.UCI.BinPath),
@@ -66,6 +62,10 @@ func RunCommand() *cli.Command {
 				))
 			}
 
+			if ctrlConf.Proxy.Enabled {
+				controllers = append(controllers, proxy.NewController())
+			}
+
 			if ctrlConf.SysUpgrade.Enabled {
 				sysUpgradeArgs := make([]string, 0)
 				if len(ctrlConf.SysUpgrade.SysUpgradeCommand) > 1 {

internal/command/api/agent/update.go

@@ -22,6 +22,11 @@ func UpdateCommand() *cli.Command {
 				Usage: "Set `STATUS` to selected agent",
 				Value: -1,
 			},
+			&cli.StringFlag{
+				Name:  "label",
+				Usage: "Set `LABEL` to selected agent",
+				Value: "",
+			},
 		),
 		Action: func(ctx *cli.Context) error {
 			baseFlags := clientFlag.GetBaseFlags(ctx)
@@ -43,6 +48,11 @@ func UpdateCommand() *cli.Command {
 				options = append(options, client.WithAgentStatus(status))
 			}
 
+			label := ctx.String("label")
+			if label != "" {
+				options = append(options, client.WithAgentLabel(label))
+			}
+
 			client := client.New(baseFlags.ServerURL, client.WithToken(token))
 
 			agent, err := client.UpdateAgent(ctx.Context, agentID, options...)

internal/command/api/agent/util.go

@@ -7,9 +7,10 @@ func agentHints(outputMode format.OutputMode) format.Hints {
 		OutputMode: outputMode,
 		Props: []format.Prop{
 			format.NewProp("ID", "ID"),
+			format.NewProp("Label", "Label"),
 			format.NewProp("Thumbprint", "Thumbprint"),
 			format.NewProp("Status", "Status"),
-			format.NewProp("CreatedAt", "CreatedAt"),
+			format.NewProp("ContactedAt", "ContactedAt"),
 			format.NewProp("UpdatedAt", "UpdatedAt"),
 		},
 	}

internal/config/database.go

@@ -15,6 +15,6 @@ type DatabaseConfig struct {
 func NewDefaultDatabaseConfig() DatabaseConfig {
 	return DatabaseConfig{
 		Driver: "sqlite",
-		DSN:    "sqlite://emissary.sqlite",
+		DSN:    "sqlite://emissary.sqlite?_pragma=foreign_keys(1)&_pragma=journal_mode(WAL)&_txlock=immediate",
 	}
 }

internal/datastore/agent.go

@@ -20,13 +20,15 @@ const (
 )
 
 type Agent struct {
-	ID         AgentID             `json:"id"`
-	Thumbprint string              `json:"thumbprint"`
-	KeySet     *SerializableKeySet `json:"keyset,omitempty"`
-	Metadata   map[string]any      `json:"metadata,omitempty"`
-	Status     AgentStatus         `json:"status"`
-	CreatedAt  time.Time           `json:"createdAt"`
-	UpdatedAt  time.Time           `json:"updatedAt"`
+	ID          AgentID             `json:"id"`
+	Label       string              `json:"label"`
+	Thumbprint  string              `json:"thumbprint"`
+	KeySet      *SerializableKeySet `json:"keyset,omitempty"`
+	Metadata    map[string]any      `json:"metadata,omitempty"`
+	Status      AgentStatus         `json:"status"`
+	CreatedAt   time.Time           `json:"createdAt"`
+	UpdatedAt   time.Time           `json:"updatedAt"`
+	ContactedAt *time.Time          `json:"contactedAt,omitempty"`
 }
 
 type SerializableKeySet struct {

internal/datastore/agent_repository.go

@@ -2,6 +2,7 @@ package datastore
 
 import (
 	"context"
+	"time"
 
 	"github.com/lestrrat-go/jwx/v2/jwk"
 )
@@ -68,10 +69,12 @@ func WithAgentQueryThumbprints(thumbprints ...string) AgentQueryOptionFunc {
 type AgentUpdateOptionFunc func(*AgentUpdateOptions)
 
 type AgentUpdateOptions struct {
-	Status     *AgentStatus
-	Metadata   *map[string]any
-	KeySet     *jwk.Set
-	Thumbprint *string
+	Label       *string
+	Status      *AgentStatus
+	ContactedAt *time.Time
+	Metadata    *map[string]any
+	KeySet      *jwk.Set
+	Thumbprint  *string
 }
 
 func WithAgentUpdateStatus(status AgentStatus) AgentUpdateOptionFunc {
@@ -97,3 +100,15 @@ func WithAgentUpdateThumbprint(thumbprint string) AgentUpdateOptionFunc {
 		opts.Thumbprint = &thumbprint
 	}
 }
+
+func WithAgentUpdateLabel(label string) AgentUpdateOptionFunc {
+	return func(opts *AgentUpdateOptions) {
+		opts.Label = &label
+	}
+}
+
+func WithAgentUpdateContactedAt(contactedAt time.Time) AgentUpdateOptionFunc {
+	return func(opts *AgentUpdateOptions) {
+		opts.ContactedAt = &contactedAt
+	}
+}

internal/datastore/sqlite/agent_repository.go

@@ -45,7 +45,11 @@ func (r *AgentRepository) GetSpecs(ctx context.Context, agentID datastore.AgentI
 		return nil, errors.WithStack(err)
 	}
 
-	defer rows.Close()
+	defer func() {
+		if err := rows.Close(); err != nil {
+			logger.Error(ctx, "could not close rows", logger.E(errors.WithStack(err)))
+		}
+	}()
 
 	for rows.Next() {
 		spec := &datastore.Spec{}
@@ -61,6 +65,10 @@ func (r *AgentRepository) GetSpecs(ctx context.Context, agentID datastore.AgentI
 		specs = append(specs, spec)
 	}
 
+	if err := rows.Err(); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	return specs, nil
 }
 
@@ -119,7 +127,7 @@ func (r *AgentRepository) Query(ctx context.Context, opts ...datastore.AgentQuer
 	count := 0
 
 	err := r.withTx(ctx, func(tx *sql.Tx) error {
-		query := `SELECT id, thumbprint, status, created_at, updated_at FROM agents`
+		query := `SELECT id, label, thumbprint, status, contacted_at, created_at, updated_at FROM agents`
 
 		limit := 10
 		if options.Limit != nil {
@@ -176,22 +184,34 @@ func (r *AgentRepository) Query(ctx context.Context, opts ...datastore.AgentQuer
 			return errors.WithStack(err)
 		}
 
-		defer rows.Close()
+		defer func() {
+			if err := rows.Close(); err != nil {
+				logger.Error(ctx, "could not close rows", logger.E(errors.WithStack(err)))
+			}
+		}()
 
 		for rows.Next() {
 			agent := &datastore.Agent{}
 
 			metadata := JSONMap{}
+			contactedAt := sql.NullTime{}
 
-			if err := rows.Scan(&agent.ID, &agent.Thumbprint, &agent.Status, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
+			if err := rows.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &agent.Status, &contactedAt, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
 				return errors.WithStack(err)
 			}
 
 			agent.Metadata = metadata
+			if contactedAt.Valid {
+				agent.ContactedAt = &contactedAt.Time
+			}
 
 			agents = append(agents, agent)
 		}
 
+		if err := rows.Err(); err != nil {
+			return errors.WithStack(err)
+		}
+
 		row := tx.QueryRowContext(ctx, `SELECT count(id) FROM agents `+filters, args...)
 		if err := row.Scan(&count); err != nil {
 			return errors.WithStack(err)
@@ -299,7 +319,7 @@ func (r *AgentRepository) Get(ctx context.Context, id datastore.AgentID) (*datas
 
 	err := r.withTx(ctx, func(tx *sql.Tx) error {
 		query := `
-		SELECT "id", "thumbprint", "keyset", "metadata", "status", "created_at", "updated_at"
+		SELECT "id", "label", "thumbprint", "keyset", "metadata", "status", "contacted_at", "created_at", "updated_at"
 		FROM agents
 		WHERE id = $1
 		`
@@ -307,9 +327,10 @@ func (r *AgentRepository) Get(ctx context.Context, id datastore.AgentID) (*datas
 		row := r.db.QueryRowContext(ctx, query, id)
 
 		metadata := JSONMap{}
+		contactedAt := sql.NullTime{}
 		var rawKeySet []byte
 
-		if err := row.Scan(&agent.ID, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
+		if err := row.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &contactedAt, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
 			if errors.Is(err, sql.ErrNoRows) {
 				return datastore.ErrNotFound
 			}
@@ -318,6 +339,9 @@ func (r *AgentRepository) Get(ctx context.Context, id datastore.AgentID) (*datas
 		}
 
 		agent.Metadata = metadata
+		if contactedAt.Valid {
+			agent.ContactedAt = &contactedAt.Time
+		}
 
 		keySet := jwk.NewSet()
 		if err := json.Unmarshal(rawKeySet, &keySet); err != nil {
@@ -346,15 +370,11 @@ func (r *AgentRepository) Update(ctx context.Context, id datastore.AgentID, opts
 
 	err := r.withTx(ctx, func(tx *sql.Tx) error {
 		query := `
-			UPDATE agents SET updated_at = $2
+			UPDATE agents SET id = $1
 		`
 
-		now := time.Now().UTC()
-
-		args := []any{
-			id, now,
-		}
-		index := 3
+		args := []any{id}
+		index := 2
 
 		if options.Status != nil {
 			query += fmt.Sprintf(`, status = $%d`, index)
@@ -379,23 +399,51 @@ func (r *AgentRepository) Update(ctx context.Context, id datastore.AgentID, opts
 			index++
 		}
 
+		if options.Label != nil {
+			query += fmt.Sprintf(`, label = $%d`, index)
+			args = append(args, *options.Label)
+			index++
+		}
+
+		if options.ContactedAt != nil {
+			query += fmt.Sprintf(`, contacted_at = $%d`, index)
+			utc := options.ContactedAt.UTC()
+			args = append(args, utc)
+			index++
+		}
+
 		if options.Metadata != nil {
 			query += fmt.Sprintf(`, metadata = $%d`, index)
 			args = append(args, JSONMap(*options.Metadata))
 			index++
 		}
 
+		updated := options.Metadata != nil ||
+			options.Status != nil ||
+			options.Label != nil ||
+			options.KeySet != nil ||
+			options.Thumbprint != nil
+		if updated {
+			now := time.Now().UTC()
+			query += fmt.Sprintf(`, updated_at = $%d`, index)
+			args = append(args, now)
+			index++
+		}
+
 		query += `
 			WHERE id = $1 
-			RETURNING "id", "thumbprint", "keyset", "metadata", "status", "created_at", "updated_at"
+			RETURNING "id", "label", "thumbprint", "keyset", "metadata", "status", "contacted_at", "created_at", "updated_at"
 		`
 
+		logger.Debug(ctx, "executing query", logger.F("query", query), logger.F("args", args))
+
 		row := tx.QueryRowContext(ctx, query, args...)
 
 		metadata := JSONMap{}
+		contactedAt := sql.NullTime{}
 		var rawKeySet []byte
 
-		if err := row.Scan(&agent.ID, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
+		if err := row.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &contactedAt, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
 			if errors.Is(err, sql.ErrNoRows) {
 				return datastore.ErrNotFound
 			}
@@ -404,6 +452,9 @@ func (r *AgentRepository) Update(ctx context.Context, id datastore.AgentID, opts
 		}
 
 		agent.Metadata = metadata
+		if contactedAt.Valid {
+			agent.ContactedAt = &contactedAt.Time
+		}
 
 		keySet := jwk.NewSet()
 		if err := json.Unmarshal(rawKeySet, &keySet); err != nil {

internal/server/agent_api.go

@@ -145,6 +145,7 @@ func (s *Server) registerAgent(w http.ResponseWriter, r *http.Request) {
 
 type updateAgentRequest struct {
 	Status *datastore.AgentStatus `json:"status" validate:"omitempty,oneof=0 1 2 3"`
+	Label  *string                `json:"label" validate:"omitempty"`
 }
 
 func (s *Server) updateAgent(w http.ResponseWriter, r *http.Request) {
@@ -166,6 +167,10 @@ func (s *Server) updateAgent(w http.ResponseWriter, r *http.Request) {
 		options = append(options, datastore.WithAgentUpdateStatus(*updateAgentReq.Status))
 	}
 
+	if updateAgentReq.Label != nil {
+		options = append(options, datastore.WithAgentUpdateLabel(*updateAgentReq.Label))
+	}
+
 	agent, err := s.agentRepo.Update(
 		ctx,
 		datastore.AgentID(agentID),

internal/server/server.go

@@ -105,8 +105,8 @@ func (s *Server) run(parentCtx context.Context, addrs chan net.Addr, errs chan e
 
 		r.Group(func(r chi.Router) {
 			r.Use(auth.Middleware(
-				thirdparty.NewAuthenticator(keys, string(s.conf.Issuer)),
-				agent.NewAuthenticator(s.agentRepo),
+				thirdparty.NewAuthenticator(keys, string(s.conf.Issuer), thirdparty.DefaultAcceptableSkew),
+				agent.NewAuthenticator(s.agentRepo, agent.DefaultAcceptableSkew),
 			))
 
 			r.Route("/agents", func(r chi.Router) {

migrations/sqlite/0000001_agent_label.down.sql

@@ -0,0 +1 @@
+ALTER TABLE agents DROP COLUMN label;

migrations/sqlite/0000001_agent_label.up.sql

@@ -0,0 +1 @@
+ALTER TABLE agents ADD COLUMN label TEXT DEFAULT "";

migrations/sqlite/0000002_agent_contactedat.down.sql

@@ -0,0 +1 @@
+ALTER TABLE agents DROP COLUMN contacted_at;

migrations/sqlite/0000002_agent_contactedat.up.sql

@@ -0,0 +1 @@
+ALTER TABLE agents ADD COLUMN contacted_at datetime;

misc/jenkins/Dockerfile

@@ -0,0 +1,24 @@
+FROM reg.cadoles.com/proxy_cache/library/ubuntu:22.04
+
+ARG HTTP_PROXY=
+ARG HTTPS_PROXY=
+ARG http_proxy=
+ARG https_proxy=
+ARG GO_VERSION=1.19.2
+
+# Install dev environment dependencies
+RUN export DEBIAN_FRONTEND=noninteractive &&\
+    apt-get update -y &&\
+    apt-get install -y --no-install-recommends curl ca-certificates build-essential wget unzip tar git jq
+
+# Install Go
+RUN mkdir -p /tmp \
+    && wget -O /tmp/go${GO_VERSION}.linux-amd64.tar.gz https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz \
+    && rm -rf /usr/local/go \
+    && mkdir -p /usr/local \
+    && tar -C /usr/local -xzf /tmp/go${GO_VERSION}.linux-amd64.tar.gz
+
+ENV PATH="${PATH}:/usr/local/go/bin"
+
+# Add LetsEncrypt certificates
+RUN curl -k https://forge.cadoles.com/Cadoles/Jenkins/raw/branch/master/resources/com/cadoles/common/add-letsencrypt-ca.sh | bash

misc/packaging/common/config-server.yml

@@ -9,7 +9,7 @@ server:
     port: 3000
   database:
     driver: sqlite
-    dsn: sqlite:///var/lib/emissary/data.sqlite
+    dsn: sqlite:///var/lib/emissary/data.sqlite?_pragma=foreign_keys(1)&_pragma=journal_mode(WAL)&_txlock=immediate
   cors:
     allowedOrigins: []
     allowCredentials: true

misc/spec-samples/app.emissary.cadoles.com.json

@@ -17,6 +17,12 @@
             "sha256sum": "e97b7b79159bb5d6a13b05644c091272b02a1a3cbb1b613dd5eda37e1eb84623",
             "address": "127.0.0.1:8084",
             "format": "zip"
+        },
+        "diffusion": {
+            "url": "https://emissary.cadol.es/files/apps/arcad.diffusion_v2023.3.29-5b3fab4.zip",
+            "sha256sum": "1282e75719beedbc7c7e67879389d0f3e11c86d3d2c37cf13da624a66faaeb58",
+            "address": "127.0.0.1:8085",
+            "format": "zip"
         }
     },
     "config": {

misc/spec-samples/proxy.emissary.cadoles.com.json

@@ -15,6 +15,10 @@
                     "hostPattern": "test.arcad.local:*",
                     "target": "http://localhost:8084"
                 },
+                {
+                    "hostPattern": "diffusion.arcad.local:*",
+                    "target": "http://localhost:8085"
+                },
                 {
                     "hostPattern": "*",
                     "target": "http://localhost:8082"