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[v14] Fix hardware key support for sso web login #33548

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Merged
Joerger merged 1 commit into from
Oct 17, 2023
Merged

[v14] Fix hardware key support for sso web login #33548

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2 changes: 1 addition & 1 deletion e
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Submodule e updated from 02aee9 to 1cc62c
52 changes: 49 additions & 3 deletions lib/auth/auth_with_roles.go
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -3580,6 +3580,11 @@ func (a *ServerWithRoles) CreateOIDCAuthRequest(ctx context.Context, req types.O
}
}

// Only the Proxy service can create web sessions via OIDC connector.
if req.CreateWebSession && !a.hasBuiltinRole(types.RoleProxy) {
return nil, trace.AccessDenied("this request can be only executed by a proxy")
}

oidcReq, err := a.authServer.CreateOIDCAuthRequest(ctx, req)
if err != nil {
emitSSOLoginFailureEvent(a.CloseContext(), a.authServer.emitter, events.LoginMethodOIDC, err, req.SSOTestFlow)
Expand All @@ -3600,7 +3605,17 @@ func (a *ServerWithRoles) GetOIDCAuthRequest(ctx context.Context, id string) (*t

func (a *ServerWithRoles) ValidateOIDCAuthCallback(ctx context.Context, q url.Values) (*OIDCAuthResponse, error) {
// auth callback is it's own authz, no need to check extra permissions
return a.authServer.ValidateOIDCAuthCallback(ctx, q)
resp, err := a.authServer.ValidateOIDCAuthCallback(ctx, q)
if err != nil {
return nil, trace.Wrap(err)
}

// Only the Proxy service can create web sessions via OIDC connector.
if resp.Session != nil && !a.hasBuiltinRole(types.RoleProxy) {
return nil, trace.AccessDenied("this request can be only executed by a proxy")
}

return resp, nil
}

func (a *ServerWithRoles) DeleteOIDCConnector(ctx context.Context, connectorID string) error {
Expand Down Expand Up @@ -3665,6 +3680,11 @@ func (a *ServerWithRoles) CreateSAMLAuthRequest(ctx context.Context, req types.S
}
}

// Only the Proxy service can create web sessions via SAML connector.
if req.CreateWebSession && !a.hasBuiltinRole(types.RoleProxy) {
return nil, trace.AccessDenied("this request can be only executed by a proxy")
}

samlReq, err := a.authServer.CreateSAMLAuthRequest(ctx, req)
if err != nil {
emitSSOLoginFailureEvent(a.CloseContext(), a.authServer.emitter, events.LoginMethodSAML, err, req.SSOTestFlow)
Expand All @@ -3677,7 +3697,17 @@ func (a *ServerWithRoles) CreateSAMLAuthRequest(ctx context.Context, req types.S
// ValidateSAMLResponse validates SAML auth response.
func (a *ServerWithRoles) ValidateSAMLResponse(ctx context.Context, re string, connectorID string) (*SAMLAuthResponse, error) {
// auth callback is it's own authz, no need to check extra permissions
return a.authServer.ValidateSAMLResponse(ctx, re, connectorID)
resp, err := a.authServer.ValidateSAMLResponse(ctx, re, connectorID)
if err != nil {
return nil, trace.Wrap(err)
}

// Only the Proxy service can create web sessions via SAML connector.
if resp.Session != nil && !a.hasBuiltinRole(types.RoleProxy) {
return nil, trace.AccessDenied("this request can be only executed by a proxy")
}

return resp, nil
}

// GetSAMLAuthRequest returns SAML auth request if found.
Expand Down Expand Up @@ -3799,6 +3829,11 @@ func (a *ServerWithRoles) CreateGithubAuthRequest(ctx context.Context, req types
}
}

// Only the Proxy service can create web sessions via Github connector.
if req.CreateWebSession && !a.hasBuiltinRole(types.RoleProxy) {
return nil, trace.AccessDenied("this request can be only executed by a proxy")
}

githubReq, err := a.authServer.CreateGithubAuthRequest(ctx, req)
if err != nil {
emitSSOLoginFailureEvent(a.authServer.closeCtx, a.authServer.emitter, events.LoginMethodGithub, err, req.SSOTestFlow)
Expand All @@ -3818,7 +3853,18 @@ func (a *ServerWithRoles) GetGithubAuthRequest(ctx context.Context, stateToken s
}

func (a *ServerWithRoles) ValidateGithubAuthCallback(ctx context.Context, q url.Values) (*GithubAuthResponse, error) {
return a.authServer.ValidateGithubAuthCallback(ctx, q)
// auth callback is it's own authz, no need to check extra permissions
resp, err := a.authServer.ValidateGithubAuthCallback(ctx, q)
if err != nil {
return nil, trace.Wrap(err)
}

// Only the Proxy service can create web sessions via Github connector.
if resp.Session != nil && !a.hasBuiltinRole(types.RoleProxy) {
return nil, trace.AccessDenied("this request can be only executed by a proxy")
}

return resp, nil
}

// EmitAuditEvent emits a single audit event
Expand Down
13 changes: 7 additions & 6 deletions lib/auth/github.go
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Original file line number Diff line number Diff line change
Expand Up @@ -646,12 +646,13 @@ func (a *Server) validateGithubAuthCallback(ctx context.Context, diagCtx *SSODia
// If the request is coming from a browser, create a web session.
if req.CreateWebSession {
session, err := a.CreateWebSessionFromReq(ctx, types.NewWebSessionRequest{
User: userState.GetName(),
Roles: userState.GetRoles(),
Traits: userState.GetTraits(),
SessionTTL: params.SessionTTL,
LoginTime: a.clock.Now().UTC(),
LoginIP: req.ClientLoginIP,
User: userState.GetName(),
Roles: userState.GetRoles(),
Traits: userState.GetTraits(),
SessionTTL: params.SessionTTL,
LoginTime: a.clock.Now().UTC(),
LoginIP: req.ClientLoginIP,
AttestWebSession: true,
})
if err != nil {
return nil, trace.Wrap(err, "Failed to create web session.")
Expand Down