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Copy pathparse.go
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82 lines (74 loc) · 2.53 KB
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// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// Package amztime implements AWS specific time parsing and deviations
package amztime
import (
"errors"
"net/http"
"time"
)
// Supported amz date formats.
var amzDateFormats = []string{
// Do not change this order, x-amz-date format is usually in
// iso8601Format rest are meant for relaxed handling of other
// odd SDKs that might be out there.
"20060102T150405Z",
time.RFC1123,
time.RFC1123Z,
// Add new AMZ date formats here.
}
// ErrMalformedDate always returned for dates that cannot be parsed.
var ErrMalformedDate = errors.New("malformed date")
// Parse parses date string via supported amz date formats.
func Parse(amzDateStr string) (time.Time, error) {
for _, dateFormat := range amzDateFormats {
amzDate, err := time.Parse(dateFormat, amzDateStr)
if err == nil {
return amzDate, nil
}
}
return time.Time{}, ErrMalformedDate
}
var httpTimeFormats = []string{
// Do not chagne this order, http time format dates
// are usually in http.TimeFormat however there are
// situations where for example aws-sdk-java doesn't
// send the correct format.
http.TimeFormat,
"Mon, 2 Jan 2006 15:04:05 GMT",
}
// ParseHeader parses http.TimeFormat with an acceptable
// extension for http.TimeFormat - return time might be zero
// if the timeStr is invalid.
func ParseHeader(timeStr string) (time.Time, error) {
for _, dateFormat := range httpTimeFormats {
t, err := time.Parse(dateFormat, timeStr)
if err == nil {
return t, nil
}
}
return time.Time{}, ErrMalformedDate
}
// ParseReplicationTS parse http.TimeFormat first
// will try time.RFC3339Nano when parse http.TimeFormat failed
func ParseReplicationTS(str string) (time.Time, error) {
tm, err := time.Parse(http.TimeFormat, str)
if tm.IsZero() || err != nil {
tm, err = time.Parse(time.RFC3339Nano, str)
}
return tm, err
}