Example #1
0
func (s *MigrationImportSuite) AssertUserEqual(c *gc.C, newUser, oldUser *state.ModelUser) {
	c.Assert(newUser.UserName(), gc.Equals, oldUser.UserName())
	c.Assert(newUser.DisplayName(), gc.Equals, oldUser.DisplayName())
	c.Assert(newUser.CreatedBy(), gc.Equals, oldUser.CreatedBy())
	c.Assert(newUser.DateCreated(), gc.Equals, oldUser.DateCreated())
	c.Assert(newUser.ReadOnly(), gc.Equals, oldUser.ReadOnly())

	connTime, err := oldUser.LastConnection()
	if state.IsNeverConnectedError(err) {
		_, err := newUser.LastConnection()
		// The new user should also return an error for last connection.
		c.Assert(err, jc.Satisfies, state.IsNeverConnectedError)
	} else {
		c.Assert(err, jc.ErrorIsNil)
		newTime, err := newUser.LastConnection()
		c.Assert(err, jc.ErrorIsNil)
		c.Assert(newTime, gc.Equals, connTime)
	}
}
Example #2
0
func (a *admin) doLogin(req params.LoginRequest, loginVersion int) (params.LoginResultV1, error) {
	var fail params.LoginResultV1

	a.mu.Lock()
	defer a.mu.Unlock()
	if a.loggedIn {
		// This can only happen if Login is called concurrently.
		return fail, errAlreadyLoggedIn
	}

	// authedApi is the API method finder we'll use after getting logged in.
	var authedApi rpc.MethodFinder = newApiRoot(a.root.state, a.root.resources, a.root)

	// Use the login validation function, if one was specified.
	if a.srv.validator != nil {
		err := a.srv.validator(req)
		switch err {
		case params.UpgradeInProgressError:
			authedApi = newUpgradingRoot(authedApi)
		case AboutToRestoreError:
			authedApi = newAboutToRestoreRoot(authedApi)
		case RestoreInProgressError:
			authedApi = newRestoreInProgressRoot(authedApi)
		case nil:
			// in this case no need to wrap authed api so we do nothing
		default:
			return fail, errors.Trace(err)
		}
	}

	var agentPingerNeeded = true
	isUser := true
	kind := names.UserTagKind
	if req.AuthTag != "" {
		var err error
		kind, err = names.TagKind(req.AuthTag)
		if err != nil || kind != names.UserTagKind {
			isUser = false
			// Users are not rate limited, all other entities are.
			if !a.srv.limiter.Acquire() {
				logger.Debugf("rate limiting for agent %s", req.AuthTag)
				return fail, common.ErrTryAgain
			}
			defer a.srv.limiter.Release()
		}
	}

	serverOnlyLogin := a.root.modelUUID == ""

	entity, lastConnection, err := doCheckCreds(a.root.state, req, !serverOnlyLogin, a.srv.authCtxt)
	if err != nil {
		if err, ok := errors.Cause(err).(*common.DischargeRequiredError); ok {
			loginResult := params.LoginResultV1{
				DischargeRequired:       err.Macaroon,
				DischargeRequiredReason: err.Error(),
			}
			logger.Infof("login failed with discharge-required error: %v", err)
			return loginResult, nil
		}
		if a.maintenanceInProgress() {
			// An upgrade, restore or similar operation is in
			// progress. It is possible for logins to fail until this
			// is complete due to incomplete or updating data. Mask
			// transitory and potentially confusing errors from failed
			// logins with a more helpful one.
			return fail, MaintenanceNoLoginError
		}
		// Here we have a special case.  The machine agents that manage
		// models in the controller model need to be able to
		// open API connections to other models.  In those cases, we
		// need to look in the controller database to check the creds
		// against the machine if and only if the entity tag is a machine tag,
		// and the machine exists in the controller model, and the
		// machine has the manage state job.  If all those parts are valid, we
		// can then check the credentials against the controller model
		// machine.
		if kind != names.MachineTagKind {
			return fail, errors.Trace(err)
		}
		entity, err = a.checkCredsOfControllerMachine(req)
		if err != nil {
			return fail, errors.Trace(err)
		}
		// If we are here, then the entity will refer to a controller
		// machine in the controller model, and we don't need a pinger
		// for it as we already have one running in the machine agent api
		// worker for the controller model.
		agentPingerNeeded = false
	}
	a.root.entity = entity

	if a.reqNotifier != nil {
		a.reqNotifier.login(entity.Tag().String())
	}

	// We have authenticated the user; enable the appropriate API
	// to serve to them.
	a.loggedIn = true

	if agentPingerNeeded {
		if err := startPingerIfAgent(a.root, entity); err != nil {
			return fail, errors.Trace(err)
		}
	}

	var maybeUserInfo *params.AuthUserInfo
	var envUser *state.ModelUser
	// Send back user info if user
	if isUser && !serverOnlyLogin {
		maybeUserInfo = &params.AuthUserInfo{
			Identity:       entity.Tag().String(),
			LastConnection: lastConnection,
		}
		envUser, err = a.root.state.ModelUser(entity.Tag().(names.UserTag))
		if err != nil {
			return fail, errors.Annotatef(err, "missing ModelUser for logged in user %s", entity.Tag())
		}
		if envUser.ReadOnly() {
			logger.Debugf("model user %s is READ ONLY", entity.Tag())
		}
	}

	// Fetch the API server addresses from state.
	hostPorts, err := a.root.state.APIHostPorts()
	if err != nil {
		return fail, errors.Trace(err)
	}
	logger.Debugf("hostPorts: %v", hostPorts)

	environ, err := a.root.state.Model()
	if err != nil {
		return fail, errors.Trace(err)
	}

	loginResult := params.LoginResultV1{
		Servers:       params.FromNetworkHostsPorts(hostPorts),
		ModelTag:      environ.Tag().String(),
		ControllerTag: environ.ControllerTag().String(),
		Facades:       DescribeFacades(),
		UserInfo:      maybeUserInfo,
		ServerVersion: jujuversion.Current.String(),
	}

	// For sufficiently modern login versions, stop serving the
	// controller model at the root of the API.
	if serverOnlyLogin {
		authedApi = newRestrictedRoot(authedApi)
		// Remove the ModelTag from the response as there is no
		// model here.
		loginResult.ModelTag = ""
		// Strip out the facades that are not supported from the result.
		var facades []params.FacadeVersions
		for _, facade := range loginResult.Facades {
			if restrictedRootNames.Contains(facade.Name) {
				facades = append(facades, facade)
			}
		}
		loginResult.Facades = facades
	}

	if envUser != nil {
		authedApi = newClientAuthRoot(authedApi, envUser)
	}

	a.root.rpcConn.ServeFinder(authedApi, serverError)

	return loginResult, nil
}