3
0
corteza/federation/service/exposed_module.go

319 lines
8.6 KiB
Go

package service
import (
"context"
"strconv"
cs "github.com/cortezaproject/corteza-server/compose/service"
ct "github.com/cortezaproject/corteza-server/compose/types"
"github.com/cortezaproject/corteza-server/federation/types"
"github.com/cortezaproject/corteza-server/pkg/actionlog"
"github.com/cortezaproject/corteza-server/pkg/auth"
"github.com/cortezaproject/corteza-server/pkg/rbac"
"github.com/cortezaproject/corteza-server/store"
ss "github.com/cortezaproject/corteza-server/system/service"
st "github.com/cortezaproject/corteza-server/system/types"
)
type (
exposedModule struct {
node node
ac exposedModuleAccessController
module cs.ModuleService
namespace cs.NamespaceService
role ss.RoleService
store store.Storer
actionlog actionlog.Recorder
}
exposedModuleAccessController interface {
CanCreateModule(ctx context.Context, r *types.Node) bool
CanManageModule(ctx context.Context, r *types.ExposedModule) bool
}
ExposedModuleService interface {
Create(ctx context.Context, new *types.ExposedModule) (*types.ExposedModule, error)
Update(ctx context.Context, updated *types.ExposedModule) (*types.ExposedModule, error)
Find(ctx context.Context, filter types.ExposedModuleFilter) (types.ExposedModuleSet, types.ExposedModuleFilter, error)
FindByID(ctx context.Context, nodeID uint64, moduleID uint64) (*types.ExposedModule, error)
DeleteByID(ctx context.Context, nodeID, moduleID uint64) (*types.ExposedModule, error)
}
moduleUpdateHandler func(ctx context.Context, ns *types.Node, c *types.ExposedModule) (bool, bool, error)
)
func ExposedModule() ExposedModuleService {
return &exposedModule{
ac: DefaultAccessControl,
node: *DefaultNode,
module: cs.DefaultModule,
role: ss.DefaultRole,
namespace: cs.DefaultNamespace,
store: DefaultStore,
actionlog: DefaultActionlog,
}
}
// FindByAny tries to find module in a particular namespace by id, handle or name
func (svc exposedModule) FindByAny(ctx context.Context, nodeID uint64, identifier interface{}) (m *types.ExposedModule, err error) {
if ID, ok := identifier.(uint64); ok {
m, err = svc.FindByID(ctx, nodeID, ID)
} else if strIdentifier, ok := identifier.(string); ok {
if ID, _ := strconv.ParseUint(strIdentifier, 10, 64); ID > 0 {
m, err = svc.FindByID(ctx, nodeID, ID)
}
} else {
// force invalid ID error
// we do that to wrap error with lookup action context
_, err = svc.FindByID(ctx, nodeID, 0)
}
if err != nil {
return nil, err
}
return m, nil
}
func (svc exposedModule) FindByID(ctx context.Context, nodeID uint64, moduleID uint64) (module *types.ExposedModule, err error) {
err = func() error {
if module, err = store.LookupFederationExposedModuleByID(ctx, svc.store, moduleID); err != nil {
return err
}
if !svc.ac.CanManageModule(ctx, module) {
return ExposedModuleErrNotAllowedToManage()
}
return nil
}()
return module, err
}
func (svc exposedModule) Update(ctx context.Context, updated *types.ExposedModule) (*types.ExposedModule, error) {
var (
aProps = &exposedModuleActionProps{update: updated}
)
err := store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
var (
m *ct.Module
node *types.Node
old *types.ExposedModule
)
if node, err = svc.node.FindByID(ctx, updated.NodeID); err != nil {
return ExposedModuleErrNodeNotFound()
}
if !svc.ac.CanManageModule(ctx, updated) {
return ExposedModuleErrNotAllowedToManage()
}
if _, err := svc.namespace.FindByID(ctx, updated.ComposeNamespaceID); err != nil {
return ExposedModuleErrComposeNamespaceNotFound()
}
if m, err = svc.module.FindByID(ctx, updated.ComposeNamespaceID, updated.ComposeModuleID); err != nil {
return ExposedModuleErrComposeModuleNotFound()
}
if old, err = svc.FindByID(ctx, updated.NodeID, updated.ID); err != nil {
return ExposedModuleErrNotFound()
}
updated.UpdatedAt = now()
updated.CreatedAt = old.CreatedAt
updated.UpdatedBy = auth.GetIdentityFromContext(ctx).Identity()
// set labels
AddFederationLabel(m, "federation", node.BaseURL)
if _, err := svc.module.Update(ctx, m); err != nil {
return err
}
aProps.setModule(updated)
if err = store.UpdateFederationExposedModule(ctx, s, updated); err != nil {
return err
}
return nil
})
return updated, svc.recordAction(ctx, aProps, ExposedModuleActionUpdate, err)
}
func (svc exposedModule) updater(ctx context.Context, nodeID, moduleID uint64, action func(...*exposedModuleActionProps) *exposedModuleAction, fn moduleUpdateHandler) (*types.ExposedModule, error) {
var (
moduleChanged, fieldsChanged bool
n *types.Node
m *types.ExposedModule
aProps = &exposedModuleActionProps{module: &types.ExposedModule{ID: moduleID, NodeID: nodeID}}
err error
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
if m, err = svc.store.LookupFederationExposedModuleByID(ctx, moduleID); err != nil {
return err
}
// TODO - handle node id also
if moduleChanged, fieldsChanged, err = fn(ctx, n, m); err != nil {
return err
}
_ = moduleChanged
_ = fieldsChanged
return err
})
return m, svc.recordAction(ctx, aProps, action, err)
}
func (svc exposedModule) DeleteByID(ctx context.Context, nodeID, moduleID uint64) (m *types.ExposedModule, err error) {
var (
aProps = &exposedModuleActionProps{}
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
var (
m *types.ExposedModule
)
if _, err = svc.node.FindByID(ctx, nodeID); err != nil {
return ExposedModuleErrNodeNotFound()
}
if m, err = svc.FindByID(ctx, nodeID, moduleID); err != nil {
return err
}
if !svc.ac.CanManageModule(ctx, m) {
return ExposedModuleErrNotAllowedToManage()
}
m.DeletedAt = now()
m.DeletedBy = auth.GetIdentityFromContext(ctx).Identity()
if err = store.UpdateFederationExposedModule(ctx, s, m); err != nil {
return err
}
aProps.delete = m
return nil
})
return m, svc.recordAction(ctx, aProps, ExposedModuleActionDelete, err)
}
func (svc exposedModule) Find(ctx context.Context, filter types.ExposedModuleFilter) (set types.ExposedModuleSet, f types.ExposedModuleFilter, err error) {
filter.Check = func(res *types.ExposedModule) (bool, error) {
if !svc.ac.CanManageModule(ctx, res) {
return false, ExposedModuleErrNotAllowedToManage()
}
return true, nil
}
err = func() error {
if set, f, err = store.SearchFederationExposedModules(ctx, svc.store, filter); err != nil {
return err
}
return nil
}()
return set, f, err
}
func (svc exposedModule) Create(ctx context.Context, new *types.ExposedModule) (*types.ExposedModule, error) {
var (
aProps = &exposedModuleActionProps{create: new}
)
err := store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
var (
m *ct.Module
node *types.Node
fedRole *st.Role
)
if node, err = svc.node.FindByID(ctx, new.NodeID); err != nil {
return ExposedModuleErrNodeNotFound()
}
if !svc.ac.CanCreateModule(ctx, node) {
return ExposedModuleErrNotAllowedToCreate()
}
if _, err := svc.namespace.FindByID(ctx, new.ComposeNamespaceID); err != nil {
return ExposedModuleErrComposeNamespaceNotFound()
}
if m, err = svc.module.FindByID(ctx, new.ComposeNamespaceID, new.ComposeModuleID); err != nil {
return ExposedModuleErrComposeModuleNotFound()
}
if err = svc.uniqueCheck(ctx, new); err != nil {
return err
}
ctxIdentity := auth.GetIdentityFromContext(ctx)
new.ID = nextID()
new.CreatedAt = *now()
new.CreatedBy = ctxIdentity.Identity()
// find the federation role
if fedRole, err = svc.role.FindByHandle(ctx, "federation"); err != nil {
return nil
}
if fedRole != nil {
// get first id from role and add it as an allow rule
err = cs.DefaultAccessControl.Grant(ctx, rbac.AllowRule(fedRole.ID, m.RBACResource(), "record.read"))
}
// set labels
AddFederationLabel(m, "federation", node.BaseURL)
if _, err := svc.module.Update(ctx, m); err != nil {
return err
}
aProps.setModule(new)
if err = store.CreateFederationExposedModule(ctx, s, new); err != nil {
return err
}
return nil
})
return new, svc.recordAction(ctx, aProps, ExposedModuleActionCreate, err)
}
func (svc exposedModule) uniqueCheck(ctx context.Context, m *types.ExposedModule) (err error) {
f := types.ExposedModuleFilter{
NodeID: m.NodeID,
ComposeModuleID: m.ComposeModuleID,
ComposeNamespaceID: m.ComposeNamespaceID,
}
set, _, err := store.SearchFederationExposedModules(ctx, svc.store, f)
if len(set) > 0 && err == nil {
return ExposedModuleErrNotUnique()
} else if err != nil {
return err
}
return nil
}