dehub/accessctl/access_control.go
mediocregopher 7c891bd5f2 Initial commit, can create master commit and verify previous master commits
message: Initial commit, can create master commit and verify previous master commits
change_hash: ADgeVBdfi1hA0TTDrBIkYHaQQYoxZaInZz1p/BAH35Ng
credentials:
- type: pgp_signature
  pub_key_id: 95C46FA6A41148AC
  body: 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
  account: mediocregopher
2020-02-15 15:13:50 -07:00

54 lines
1.5 KiB
Go

package accessctl
import (
"fmt"
"github.com/bmatcuk/doublestar"
)
// AccessControl represents an access control object being defined in the
// Config.
type AccessControl struct {
Pattern string `yaml:"pattern"`
Condition Condition `yaml:"condition"`
}
// ErrNoApplicableAccessControls is returned from ApplicableAccessControls when
// a changed path has no applicable AccessControls which match it.
type ErrNoApplicableAccessControls struct {
Path string
}
func (err ErrNoApplicableAccessControls) Error() string {
return fmt.Sprintf("no AccessControls which apply to changed file %q", err.Path)
}
// ApplicableAccessControls returns a subset of the given AccessControls which
// are applicable to the given file paths (ie those whose Conditions must be met
// in order for the changes to go through.
func ApplicableAccessControls(accessControls []AccessControl, filesChanged []string) ([]AccessControl, error) {
applicableSet := map[AccessControl]struct{}{}
for _, path := range filesChanged {
var any bool
for _, ac := range accessControls {
if ok, err := doublestar.PathMatch(ac.Pattern, path); err != nil {
return nil, fmt.Errorf("error matching path %q to patterrn %q: %w",
path, ac.Pattern, err)
} else if ok {
applicableSet[ac] = struct{}{}
any = true
break
}
}
if !any {
return nil, ErrNoApplicableAccessControls{Path: path}
}
}
applicable := make([]AccessControl, 0, len(applicableSet))
for ac := range applicableSet {
applicable = append(applicable, ac)
}
return applicable, nil
}