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|
package gcp
import (
"context"
"net/http"
"google.golang.org/api/cloudresourcemanager/v1"
"github.com/smallstep/certificates/errs"
)
type ProjectValidator struct {
ProjectIDs []string
}
func (p *ProjectValidator) ValidateProject(_ context.Context, projectID string) error {
if len(p.ProjectIDs) == 0 {
return nil
}
for _, pi := range p.ProjectIDs {
if pi == projectID {
return nil
}
}
return errs.Unauthorized("gcp.authorizeToken; invalid gcp token - invalid project id")
}
type OrganizationValidator struct {
*ProjectValidator
OrganizationID string
projectsService *cloudresourcemanager.ProjectsService
}
func NewOrganizationValidator(projectIDs []string, organizationID string) (*OrganizationValidator, error) {
var svc *cloudresourcemanager.ProjectsService
if organizationID != "" {
crm, err := cloudresourcemanager.NewService(context.Background())
if err != nil {
return nil, err
}
svc = crm.Projects
}
return &OrganizationValidator{
ProjectValidator: &ProjectValidator{projectIDs},
OrganizationID: organizationID,
projectsService: svc,
}, nil
}
func (p *OrganizationValidator) ValidateProject(ctx context.Context, projectID string) error {
if err := p.ProjectValidator.ValidateProject(ctx, projectID); err != nil {
return err
}
if p.OrganizationID == "" {
return nil
}
ancestry, err := p.projectsService.
GetAncestry(projectID, &cloudresourcemanager.GetAncestryRequest{}).
Context(ctx).
Do()
if err != nil {
return errs.Wrap(http.StatusInternalServerError, err, "gcp.authorizeToken")
}
if len(ancestry.Ancestor) < 1 {
return errs.InternalServer("gcp.authorizeToken; getAncestry response malformed")
}
progenitor := ancestry.Ancestor[len(ancestry.Ancestor)-1]
if progenitor.ResourceId.Type != "organization" || progenitor.ResourceId.Id != p.OrganizationID {
return errs.Unauthorized("gcp.authorizeToken; invalid gcp token - project does not belong to organization")
}
return nil
}
|
