LDAP: Fix LDAP users authenticated via auth proxy not being able to use LDAP active sync (#83715)

* fix LDAP users authenticated via auth proxy not being able to use ldap sync

* simplify id resolution at the cost of no fallthrough

* remove unused services

* remove unused cache key
This commit is contained in:
Jo 2024-03-01 10:14:32 +01:00 committed by GitHub
parent 4dc8094514
commit 2182cc47ac
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4 changed files with 17 additions and 25 deletions

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@ -123,7 +123,7 @@ func ProvideService(
}
if s.cfg.AuthProxyEnabled && len(proxyClients) > 0 {
proxy, err := clients.ProvideProxy(cfg, cache, userService, proxyClients...)
proxy, err := clients.ProvideProxy(cfg, cache, proxyClients...)
if err != nil {
s.log.Error("Failed to configure auth proxy", "err", err)
} else {

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@ -15,7 +15,6 @@ import (
authidentity "github.com/grafana/grafana/pkg/services/auth/identity"
"github.com/grafana/grafana/pkg/services/authn"
"github.com/grafana/grafana/pkg/services/login"
"github.com/grafana/grafana/pkg/services/user"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/util"
"github.com/grafana/grafana/pkg/util/errutil"
@ -43,12 +42,12 @@ var (
_ authn.ContextAwareClient = new(Proxy)
)
func ProvideProxy(cfg *setting.Cfg, cache proxyCache, userSrv user.Service, clients ...authn.ProxyClient) (*Proxy, error) {
func ProvideProxy(cfg *setting.Cfg, cache proxyCache, clients ...authn.ProxyClient) (*Proxy, error) {
list, err := parseAcceptList(cfg.AuthProxyWhitelist)
if err != nil {
return nil, err
}
return &Proxy{log.New(authn.ClientProxy), cfg, cache, userSrv, clients, list}, nil
return &Proxy{log.New(authn.ClientProxy), cfg, cache, clients, list}, nil
}
type proxyCache interface {
@ -61,7 +60,6 @@ type Proxy struct {
log log.Logger
cfg *setting.Cfg
cache proxyCache
userSrv user.Service
clients []authn.ProxyClient
acceptedIPs []*net.IPNet
}
@ -91,21 +89,17 @@ func (c *Proxy) Authenticate(ctx context.Context, r *authn.Request) (*authn.Iden
if err != nil {
c.log.FromContext(ctx).Warn("Failed to parse user id from cache", "error", err, "userId", string(entry))
} else {
usr, err := c.userSrv.GetSignedInUserWithCacheCtx(ctx, &user.GetSignedInUserQuery{
UserID: uid,
OrgID: r.OrgID,
})
if err != nil {
c.log.FromContext(ctx).Warn("Could not resolved cached user", "error", err, "userId", string(entry))
}
// if we for some reason cannot find the user we proceed with the normal flow, authenticate with ProxyClient
// and perform syncs
if usr != nil {
c.log.FromContext(ctx).Debug("User was loaded from cache, skip syncs", "userId", usr.UserID)
return authn.IdentityFromSignedInUser(authn.NamespacedID(authn.NamespaceUser, usr.UserID), usr, authn.ClientParams{SyncPermissions: true}, login.AuthProxyAuthModule), nil
}
return &authn.Identity{
ID: authn.NamespacedID(authn.NamespaceUser, uid),
OrgID: r.OrgID,
// FIXME: This does not match the actual auth module used, but should not have any impact
// Maybe caching the auth module used with the user ID would be a good idea
AuthenticatedBy: login.AuthProxyAuthModule,
ClientParams: authn.ClientParams{
FetchSyncedUser: true,
SyncPermissions: true,
},
}, nil
}
}
}
@ -116,7 +110,6 @@ func (c *Proxy) Authenticate(ctx context.Context, r *authn.Request) (*authn.Iden
identity, clientErr = proxyClient.AuthenticateProxy(ctx, r, username, additional)
if identity != nil {
identity.ClientParams.CacheAuthProxyKey = cacheKey
identity.AuthenticatedBy = login.AuthProxyAuthModule
return identity, nil
}
}

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@ -13,7 +13,6 @@ import (
"github.com/grafana/grafana/pkg/services/authn"
"github.com/grafana/grafana/pkg/services/authn/authntest"
"github.com/grafana/grafana/pkg/services/user/usertest"
"github.com/grafana/grafana/pkg/setting"
)
@ -113,7 +112,7 @@ func TestProxy_Authenticate(t *testing.T) {
calledAdditional = additional
return nil, nil
}}
c, err := ProvideProxy(cfg, &fakeCache{expectedErr: errors.New("")}, usertest.NewUserServiceFake(), proxyClient)
c, err := ProvideProxy(cfg, &fakeCache{expectedErr: errors.New("")}, proxyClient)
require.NoError(t, err)
_, err = c.Authenticate(context.Background(), tt.req)
@ -210,7 +209,7 @@ func TestProxy_Hook(t *testing.T) {
withRole := func(role string) func(t *testing.T) {
cacheKey := fmt.Sprintf("users:johndoe-%s", role)
return func(t *testing.T) {
c, err := ProvideProxy(cfg, cache, usertest.NewUserServiceFake(), authntest.MockProxyClient{})
c, err := ProvideProxy(cfg, cache, authntest.MockProxyClient{})
require.NoError(t, err)
userIdentity := &authn.Identity{
ID: userID,

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@ -120,7 +120,7 @@ func (h *ContextHandler) Middleware(next http.Handler) http.Handler {
reqContext.UserToken = identity.SessionToken
reqContext.IsSignedIn = !reqContext.SignedInUser.IsAnonymous
reqContext.AllowAnonymous = reqContext.SignedInUser.IsAnonymous
reqContext.IsRenderCall = identity.AuthenticatedBy == login.RenderModule
reqContext.IsRenderCall = identity.GetAuthenticatedBy() == login.RenderModule
}
reqContext.Logger = reqContext.Logger.New("userId", reqContext.UserID, "orgId", reqContext.OrgID, "uname", reqContext.Login)