mirror of https://github.com/minio/minio.git
60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
// Copyright (c) 2015-2022 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package amztime
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import (
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"strings"
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"time"
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)
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// RFC3339 a subset of the ISO8601 timestamp format. e.g 2014-04-29T18:30:38Z
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const (
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iso8601TimeFormat = "2006-01-02T15:04:05.000Z" // Reply date format with millisecond precision.
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iso8601TimeFormatLong = "2006-01-02T15:04:05.000000Z" // Reply date format with nanosecond precision.
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)
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// ISO8601Format converts time 't' into ISO8601 time format expected in AWS S3 spec.
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//
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// This function is needed to avoid a Go's float64 precision bug, where Go avoids
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// padding the extra '0' before the timezone.
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func ISO8601Format(t time.Time) string {
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value := t.Format(iso8601TimeFormat)
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if len(value) < len(iso8601TimeFormat) {
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value = t.Format(iso8601TimeFormat[:len(iso8601TimeFormat)-1])
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// Pad necessary zeroes to full-fill the iso8601TimeFormat
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return value + strings.Repeat("0", (len(iso8601TimeFormat)-1)-len(value)) + "Z"
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}
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return value
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}
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// ISO8601Parse parses ISO8601 date string
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func ISO8601Parse(iso8601 string) (t time.Time, err error) {
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for _, layout := range []string{
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iso8601TimeFormat,
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iso8601TimeFormatLong,
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time.RFC3339,
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} {
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t, err = time.Parse(layout, iso8601)
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if err == nil {
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return t, nil
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}
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}
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return t, err
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}
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