arcad/emissary
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emissary
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feat(auth): accept clock skew for token validation
arcad/emissary/pipeline/head Something is wrong with the build of this commit Details

This commit is contained in:
wpetit 2023-04-01 19:30:45 +02:00
parent d02eb91b11
commit 7d551a8312
4 changed files with 23 additions and 12 deletions
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11
internal/auth/agent/authenticator.go
View File

@ -14,8 +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.
@ -72,6 +75,7 @@ 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)
@ -91,9 +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,
}
}

17
internal/auth/thirdparty/authenticator.go vendored
View File

@ -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,
}
}

3
internal/auth/thirdparty/jwt.go vendored
View File

@ -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)

4
internal/server/server.go
View File

@ -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) {