diff options
Diffstat (limited to 'internal/duration/parse.go')
| -rw-r--r-- | internal/duration/parse.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/internal/duration/parse.go b/internal/duration/parse.go index f2febe8..f144ac1 100644 --- a/internal/duration/parse.go +++ b/internal/duration/parse.go @@ -11,6 +11,11 @@ import ( var bareIntegerPattern = regexp.MustCompile(`^[+-]?\d+$`) +const ( + maxInt64 = int64(^uint64(0) >> 1) + minInt64 = -maxInt64 - 1 +) + // Parse converts duration text into time.Duration. // Go-style durations (e.g. "1h30m") are supported, and bare integers are seconds. func Parse(value string) (time.Duration, error) { @@ -24,6 +29,9 @@ func Parse(value string) (time.Duration, error) { if err != nil { return 0, fmt.Errorf("parse seconds %q: %w", value, err) } + if seconds > maxInt64/int64(time.Second) || seconds < minInt64/int64(time.Second) { + return 0, fmt.Errorf("duration seconds %q overflows time.Duration", value) + } return time.Duration(seconds) * time.Second, nil } |