57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package vault
|
|
|
|
// Struct to identify user input errors.
|
|
// This is helpful in responding the appropriate status codes to clients
|
|
// from the HTTP endpoints.
|
|
type StatusBadRequest struct {
|
|
Err string
|
|
}
|
|
|
|
// Implementing error interface
|
|
func (s *StatusBadRequest) Error() string {
|
|
return s.Err
|
|
}
|
|
|
|
// Capabilities is used to fetch the capabilities of the given token on the given path
|
|
func (c *Core) Capabilities(token, path string) ([]string, error) {
|
|
if path == "" {
|
|
return nil, &StatusBadRequest{Err: "missing path"}
|
|
}
|
|
|
|
if token == "" {
|
|
return nil, &StatusBadRequest{Err: "missing token"}
|
|
}
|
|
|
|
te, err := c.tokenStore.Lookup(token)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if te == nil {
|
|
return nil, &StatusBadRequest{Err: "invalid token"}
|
|
}
|
|
|
|
if te.Policies == nil {
|
|
return []string{DenyCapability}, nil
|
|
}
|
|
|
|
var policies []*Policy
|
|
for _, tePolicy := range te.Policies {
|
|
policy, err := c.policyStore.GetPolicy(tePolicy)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
policies = append(policies, policy)
|
|
}
|
|
|
|
if len(policies) == 0 {
|
|
return []string{DenyCapability}, nil
|
|
}
|
|
|
|
acl, err := NewACL(policies)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return acl.Capabilities(path), nil
|
|
}
|