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backend/internal/misc/credentials.go

@@ -0,0 +1,61 @@
+package misc
+
+import (
+	"encoding/json"
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// Separator used to visually group related log lines.
+var credentialSeparator = strings.Repeat("-", 67)
+
+// LogSavingCredentials emits a consistent log message when persisting auth material.
+func LogSavingCredentials(path string) {
+	if path == "" {
+		return
+	}
+	// Use filepath.Clean so logs remain stable even if callers pass redundant separators.
+	fmt.Printf("Saving credentials to %s\n", filepath.Clean(path))
+}
+
+// LogCredentialSeparator adds a visual separator to group auth/key processing logs.
+func LogCredentialSeparator() {
+	log.Debug(credentialSeparator)
+}
+
+// MergeMetadata serializes the source struct into a map and merges the provided metadata into it.
+func MergeMetadata(source any, metadata map[string]any) (map[string]any, error) {
+	var data map[string]any
+
+	// Fast path: if source is already a map, just copy it to avoid mutation of original
+	if srcMap, ok := source.(map[string]any); ok {
+		data = make(map[string]any, len(srcMap)+len(metadata))
+		for k, v := range srcMap {
+			data[k] = v
+		}
+	} else if source != nil {
+		// Slow path: marshal to JSON and back to map to respect JSON tags
+		temp, errMarshal := json.Marshal(source)
+		if errMarshal != nil {
+			return nil, fmt.Errorf("failed to marshal source: %w", errMarshal)
+		}
+		if errUnmarshal := json.Unmarshal(temp, &data); errUnmarshal != nil {
+			return nil, fmt.Errorf("failed to unmarshal to map: %w", errUnmarshal)
+		}
+	}
+
+	// Merge extra metadata
+	if metadata != nil {
+		if data == nil {
+			data = make(map[string]any)
+		}
+		for k, v := range metadata {
+			data[k] = v
+		}
+	}
+
+	return data, nil
+}