forked from raystack/frontier
/
policy.go
160 lines (135 loc) · 4.47 KB
/
policy.go
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package v1beta1
import (
"context"
"errors"
grpczap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap/ctxzap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/goto/shield/core/namespace"
"github.com/goto/shield/core/policy"
shieldv1beta1 "github.com/goto/shield/proto/v1beta1"
)
type PolicyService interface {
Get(ctx context.Context, id string) (policy.Policy, error)
List(ctx context.Context) ([]policy.Policy, error)
Create(ctx context.Context, pol policy.Policy) ([]policy.Policy, error)
Update(ctx context.Context, pol policy.Policy) ([]policy.Policy, error)
}
var grpcPolicyNotFoundErr = status.Errorf(codes.NotFound, "policy doesn't exist")
func (h Handler) ListPolicies(ctx context.Context, request *shieldv1beta1.ListPoliciesRequest) (*shieldv1beta1.ListPoliciesResponse, error) {
logger := grpczap.Extract(ctx)
var policies []*shieldv1beta1.Policy
policyList, err := h.policyService.List(ctx)
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
for _, p := range policyList {
policyPB, err := transformPolicyToPB(p)
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
policies = append(policies, &policyPB)
}
return &shieldv1beta1.ListPoliciesResponse{Policies: policies}, nil
}
func (h Handler) CreatePolicy(ctx context.Context, request *shieldv1beta1.CreatePolicyRequest) (*shieldv1beta1.CreatePolicyResponse, error) {
logger := grpczap.Extract(ctx)
var policies []*shieldv1beta1.Policy
newPolicies, err := h.policyService.Create(ctx, policy.Policy{
RoleID: request.GetBody().GetRoleId(),
NamespaceID: request.GetBody().GetNamespaceId(),
ActionID: request.GetBody().GetActionId(),
})
if err != nil {
logger.Error(err.Error())
switch {
case errors.Is(err, policy.ErrInvalidDetail):
return nil, grpcBadBodyError
default:
return nil, grpcInternalServerError
}
}
for _, p := range newPolicies {
policyPB, err := transformPolicyToPB(p)
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
policies = append(policies, &policyPB)
}
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
return &shieldv1beta1.CreatePolicyResponse{Policies: policies}, nil
}
func (h Handler) GetPolicy(ctx context.Context, request *shieldv1beta1.GetPolicyRequest) (*shieldv1beta1.GetPolicyResponse, error) {
logger := grpczap.Extract(ctx)
fetchedPolicy, err := h.policyService.Get(ctx, request.GetId())
if err != nil {
logger.Error(err.Error())
switch {
case errors.Is(err, policy.ErrNotExist),
errors.Is(err, policy.ErrInvalidUUID),
errors.Is(err, policy.ErrInvalidID):
return nil, grpcPolicyNotFoundErr
default:
return nil, grpcInternalServerError
}
}
policyPB, err := transformPolicyToPB(fetchedPolicy)
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
return &shieldv1beta1.GetPolicyResponse{Policy: &policyPB}, nil
}
func (h Handler) UpdatePolicy(ctx context.Context, request *shieldv1beta1.UpdatePolicyRequest) (*shieldv1beta1.UpdatePolicyResponse, error) {
logger := grpczap.Extract(ctx)
var policies []*shieldv1beta1.Policy
updatedPolices, err := h.policyService.Update(ctx, policy.Policy{
ID: request.GetId(),
RoleID: request.GetBody().GetRoleId(),
NamespaceID: request.GetBody().GetNamespaceId(),
ActionID: request.GetBody().GetActionId(),
})
if err != nil {
logger.Error(err.Error())
switch {
case errors.Is(err, policy.ErrNotExist),
errors.Is(err, policy.ErrInvalidID),
errors.Is(err, policy.ErrInvalidUUID):
return nil, grpcPolicyNotFoundErr
case errors.Is(err, policy.ErrInvalidDetail),
errors.Is(err, namespace.ErrNotExist):
return nil, grpcBadBodyError
case errors.Is(err, policy.ErrConflict):
return nil, grpcConflictError
default:
return nil, grpcInternalServerError
}
}
for _, p := range updatedPolices {
policyPB, err := transformPolicyToPB(p)
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
policies = append(policies, &policyPB)
}
if err != nil {
logger.Error(err.Error())
return nil, grpcInternalServerError
}
return &shieldv1beta1.UpdatePolicyResponse{Policies: policies}, nil
}
func transformPolicyToPB(policy policy.Policy) (shieldv1beta1.Policy, error) {
return shieldv1beta1.Policy{
Id: policy.ID,
RoleId: policy.RoleID,
ActionId: policy.ActionID,
NamespaceId: policy.NamespaceID,
}, nil
}