| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package secretstore |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "fmt" |
| 8 | "strings" |
| 9 | ) |
| 10 | |
| 11 | // runtimeResolver resolves ${store:<kind>:<name>:<operand>} references against a captured snapshot. |
| 12 | type runtimeResolver struct{} |
| 13 | |
| 14 | func newRuntimeResolver() *runtimeResolver { return &runtimeResolver{} } |
| 15 | |
| 16 | func (r *runtimeResolver) resolveContext(ctx context.Context, snapshot *Snapshot, ref, original string) (string, error) { |
| 17 | if ctx == nil { |
| 18 | ctx = context.Background() |
| 19 | } |
| 20 | select { |
| 21 | case <-ctx.Done(): |
| 22 | return "", ctx.Err() |
| 23 | default: |
| 24 | } |
| 25 | |
| 26 | kindPart, rest, ok := strings.Cut(ref, ":") |
| 27 | if !ok { |
| 28 | return "", fmt.Errorf("resolving secret '%s': store reference must be in format 'kind:name:operand'", original) |
| 29 | } |
| 30 | namePart, operand, ok := strings.Cut(rest, ":") |
| 31 | if !ok { |
| 32 | return "", fmt.Errorf("resolving secret '%s': store reference must be in format 'kind:name:operand'", original) |
| 33 | } |
| 34 | |
| 35 | kind := StoreKind(strings.TrimSpace(kindPart)) |
| 36 | name := strings.TrimSpace(namePart) |
| 37 | operand = strings.TrimSpace(operand) |
| 38 | if !kind.IsValid() || name == "" || operand == "" { |
| 39 | return "", fmt.Errorf("resolving secret '%s': store reference must be in format 'kind:name:operand'", original) |
| 40 | } |
| 41 | storeKey := StoreKey(kind, name) |
| 42 | |
| 43 | if snapshot == nil { |
| 44 | return "", fmt.Errorf("resolving secret '%s': secretstore '%s' is not configured", original, storeKey) |
| 45 | } |
| 46 | store, ok := snapshot.lookupStore(storeKey) |
| 47 | if !ok { |
| 48 | return "", fmt.Errorf("resolving secret '%s': secretstore '%s' is not configured", original, storeKey) |
| 49 | } |
| 50 | if store.published == nil { |
| 51 | return "", fmt.Errorf("resolving secret '%s': secretstore '%s' has no published resolver state", original, storeKey) |
| 52 | } |
| 53 | |
| 54 | return store.published.Resolve(ctx, ResolveRequest{ |
| 55 | StoreKey: storeKey, |
| 56 | StoreKind: kind, |
| 57 | StoreName: name, |
| 58 | Operand: operand, |
| 59 | Original: original, |
| 60 | }) |
| 61 | } |