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fix: persist.Store — sanitize callID, log save errors, document List filter semantics

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This commit is contained in:
vikingowl
2026-04-05 21:44:03 +02:00
parent ace3716204
commit fbb28de0b8
1 changed files with 10 additions and 3 deletions
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13
internal/tool/persist/store.go
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@@ -2,6 +2,7 @@ package persist
import (
"fmt"
"log/slog"
"os"
"path/filepath"
"strings"
@@ -45,13 +46,16 @@ func (s *Store) Save(toolName, callID, content string) (string, bool) {
return "", false
}
if err := os.MkdirAll(s.dir, 0o755); err != nil {
slog.Warn("persist: failed to create session directory", "dir", s.dir, "error", err)
return "", false
}
// Sanitize tool name for filesystem (replace dots and slashes)
// Sanitize tool name and call ID for filesystem (replace dots, slashes, path traversal)
safeName := strings.NewReplacer(".", "_", "/", "_").Replace(toolName)
filename := safeName + "-" + callID + ".txt"
safeCallID := strings.NewReplacer("/", "_", "..", "_").Replace(callID)
filename := safeName + "-" + safeCallID + ".txt"
path := filepath.Join(s.dir, filename)
if err := os.WriteFile(path, []byte(content), 0o644); err != nil {
slog.Warn("persist: failed to write tool result", "path", path, "error", err)
return "", false
}
return path, true
@@ -67,8 +71,11 @@ func InlineReplacement(path, content string) string {
path, previewSize, preview)
}
// List returns all persisted results, optionally filtered by tool name prefix.
// List returns all persisted results, optionally filtered by sanitized tool name prefix.
// Tool names are stored with dots and slashes replaced by underscores — e.g.,
// "fs.grep" is stored as "fs_grep". Pass the sanitized form as the filter.
// An empty filter returns all results.
// Returns nil (not error) if the session directory does not yet exist.
func (s *Store) List(toolNameFilter string) ([]ResultFile, error) {
entries, err := os.ReadDir(s.dir)
if os.IsNotExist(err) {