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98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
/*
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* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minio
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import (
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"net/http"
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"time"
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)
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// copyCondition explanation:
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// http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectCOPY.html
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//
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// Example:
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//
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// copyCondition {
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// key: "x-amz-copy-if-modified-since",
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// value: "Tue, 15 Nov 1994 12:45:26 GMT",
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// }
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//
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type copyCondition struct {
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key string
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value string
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}
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// CopyConditions - copy conditions.
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type CopyConditions struct {
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conditions []copyCondition
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}
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// NewCopyConditions - Instantiate new list of conditions.
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func NewCopyConditions() CopyConditions {
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return CopyConditions{
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conditions: make([]copyCondition, 0),
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}
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}
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// SetMatchETag - set match etag.
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func (c CopyConditions) SetMatchETag(etag string) error {
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if etag == "" {
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return ErrInvalidArgument("ETag cannot be empty.")
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}
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c.conditions = append(c.conditions, copyCondition{
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key: "x-amz-copy-source-if-match",
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value: etag,
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})
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return nil
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}
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// SetMatchETagExcept - set match etag except.
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func (c CopyConditions) SetMatchETagExcept(etag string) error {
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if etag == "" {
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return ErrInvalidArgument("ETag cannot be empty.")
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}
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c.conditions = append(c.conditions, copyCondition{
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key: "x-amz-copy-source-if-none-match",
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value: etag,
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})
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return nil
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}
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// SetUnmodified - set unmodified time since.
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func (c CopyConditions) SetUnmodified(modTime time.Time) error {
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if modTime.IsZero() {
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return ErrInvalidArgument("Modified since cannot be empty.")
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}
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c.conditions = append(c.conditions, copyCondition{
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key: "x-amz-copy-source-if-unmodified-since",
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value: modTime.Format(http.TimeFormat),
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})
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return nil
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}
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// SetModified - set modified time since.
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func (c CopyConditions) SetModified(modTime time.Time) error {
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if modTime.IsZero() {
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return ErrInvalidArgument("Modified since cannot be empty.")
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}
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c.conditions = append(c.conditions, copyCondition{
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key: "x-amz-copy-source-if-modified-since",
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value: modTime.Format(http.TimeFormat),
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})
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return nil
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}
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