| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | |
| 8 | "reasonix/internal/permission" |
| 9 | "reasonix/internal/sandbox" |
| 10 | ) |
| 11 | |
| 12 | // PersistWorkspaceWriteAccess records extra writable directories and an |
| 13 | // optional allow rule for workspace root under the user's Reasonix home, in |
| 14 | // one locked update. permRule may be empty when permission is already allowed. |
| 15 | func PersistWorkspaceWriteAccess(reasonixHome, root string, dirs []string, permRule string) error { |
| 16 | home, _ := os.UserHomeDir() |
| 17 | return NewProjectGrantStore(reasonixHome).Update(root, func(g ProjectGrant) (ProjectGrant, error) { |
| 18 | for _, dir := range dirs { |
| 19 | formatted := sandbox.FormatConfigWritePath(dir, home) |
| 20 | if formatted != "" && !writeRootCovered(g.AllowWrite, formatted, home) { |
| 21 | g.AllowWrite = append(g.AllowWrite, formatted) |
| 22 | } |
| 23 | } |
| 24 | if rule := strings.TrimSpace(permRule); rule != "" && coveredPermissionRule(g.Allow, rule) == "" { |
| 25 | g.Allow = append(pruneCoveredPermissionRules(g.Allow, rule), rule) |
| 26 | } |
| 27 | return g, nil |
| 28 | }) |
| 29 | } |
| 30 | |
| 31 | func writeRootCovered(existing []string, candidate, home string) bool { |
| 32 | candAbs := expandPersistedWritePath(candidate, home) |
| 33 | for _, item := range existing { |
| 34 | existAbs := expandPersistedWritePath(item, home) |
| 35 | if existAbs == "" || candAbs == "" { |
| 36 | if item == candidate { |
| 37 | return true |
| 38 | } |
| 39 | continue |
| 40 | } |
| 41 | if sandbox.PathWithin(existAbs, candAbs) { |
| 42 | return true |
| 43 | } |
| 44 | } |
| 45 | return false |
| 46 | } |
| 47 | |
| 48 | func expandPersistedWritePath(raw, home string) string { |
| 49 | raw = strings.TrimSpace(raw) |
| 50 | if raw == "" { |
| 51 | return "" |
| 52 | } |
| 53 | abs, _, err := sandbox.NormalizeWriteDir(raw, "", home) |
| 54 | if err != nil { |
| 55 | if filepath.IsAbs(raw) { |
| 56 | return filepath.Clean(raw) |
| 57 | } |
| 58 | return raw |
| 59 | } |
| 60 | return abs |
| 61 | } |
| 62 | |
| 63 | func coveredPermissionRule(existing []string, candidate string) string { |
| 64 | for _, item := range existing { |
| 65 | if permission.RuleCoversString(item, candidate) { |
| 66 | return item |
| 67 | } |
| 68 | } |
| 69 | return "" |
| 70 | } |
| 71 | |
| 72 | func pruneCoveredPermissionRules(existing []string, candidate string) []string { |
| 73 | out := make([]string, 0, len(existing)) |
| 74 | for _, item := range existing { |
| 75 | if permission.RuleCoversString(candidate, item) && item != candidate { |
| 76 | continue |
| 77 | } |
| 78 | out = append(out, item) |
| 79 | } |
| 80 | return out |
| 81 | } |
| 82 |