1 files changed, 303 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/pkg/lifecycle/lifecycle.go b/vendor/github.com/minio/minio-go/v7/pkg/lifecycle/lifecycle.go
new file mode 100644
index 00000000..b6f9601b
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/pkg/lifecycle/lifecycle.go
@@ -0,0 +1,303 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2020 MinIO, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Package lifecycle contains all the lifecycle related data types and marshallers.
+package lifecycle
+
+import (
+	"encoding/xml"
+	"time"
+)
+
+// AbortIncompleteMultipartUpload structure, not supported yet on MinIO
+type AbortIncompleteMultipartUpload struct {
+	XMLName             xml.Name       `xml:"AbortIncompleteMultipartUpload,omitempty"  json:"-"`
+	DaysAfterInitiation ExpirationDays `xml:"DaysAfterInitiation,omitempty" json:"DaysAfterInitiation,omitempty"`
+}
+
+// IsDaysNull returns true if days field is null
+func (n AbortIncompleteMultipartUpload) IsDaysNull() bool {
+	return n.DaysAfterInitiation == ExpirationDays(0)
+}
+
+// MarshalXML if days after initiation is set to non-zero value
+func (n AbortIncompleteMultipartUpload) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if n.IsDaysNull() {
+		return nil
+	}
+	type abortIncompleteMultipartUploadWrapper AbortIncompleteMultipartUpload
+	return e.EncodeElement(abortIncompleteMultipartUploadWrapper(n), start)
+}
+
+// NoncurrentVersionExpiration - Specifies when noncurrent object versions expire.
+// Upon expiration, server permanently deletes the noncurrent object versions.
+// Set this lifecycle configuration action on a bucket that has versioning enabled
+// (or suspended) to request server delete noncurrent object versions at a
+// specific period in the object's lifetime.
+type NoncurrentVersionExpiration struct {
+	XMLName        xml.Name       `xml:"NoncurrentVersionExpiration" json:"-"`
+	NoncurrentDays ExpirationDays `xml:"NoncurrentDays,omitempty"`
+}
+
+// MarshalXML if non-current days not set to non zero value
+func (n NoncurrentVersionExpiration) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if n.IsDaysNull() {
+		return nil
+	}
+	type noncurrentVersionExpirationWrapper NoncurrentVersionExpiration
+	return e.EncodeElement(noncurrentVersionExpirationWrapper(n), start)
+}
+
+// IsDaysNull returns true if days field is null
+func (n NoncurrentVersionExpiration) IsDaysNull() bool {
+	return n.NoncurrentDays == ExpirationDays(0)
+}
+
+// NoncurrentVersionTransition structure, set this action to request server to
+// transition noncurrent object versions to different set storage classes
+// at a specific period in the object's lifetime.
+type NoncurrentVersionTransition struct {
+	XMLName        xml.Name       `xml:"NoncurrentVersionTransition,omitempty"  json:"-"`
+	StorageClass   string         `xml:"StorageClass,omitempty" json:"StorageClass,omitempty"`
+	NoncurrentDays ExpirationDays `xml:"NoncurrentDays,omitempty" json:"NoncurrentDays,omitempty"`
+}
+
+// IsDaysNull returns true if days field is null
+func (n NoncurrentVersionTransition) IsDaysNull() bool {
+	return n.NoncurrentDays == ExpirationDays(0)
+}
+
+// IsStorageClassEmpty returns true if storage class field is empty
+func (n NoncurrentVersionTransition) IsStorageClassEmpty() bool {
+	return n.StorageClass == ""
+}
+
+// MarshalXML is extended to leave out
+// <NoncurrentVersionTransition></NoncurrentVersionTransition> tags
+func (n NoncurrentVersionTransition) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if n.IsDaysNull() || n.IsStorageClassEmpty() {
+		return nil
+	}
+	type noncurrentVersionTransitionWrapper NoncurrentVersionTransition
+	return e.EncodeElement(noncurrentVersionTransitionWrapper(n), start)
+}
+
+// Tag structure key/value pair representing an object tag to apply lifecycle configuration
+type Tag struct {
+	XMLName xml.Name `xml:"Tag,omitempty" json:"-"`
+	Key     string   `xml:"Key,omitempty" json:"Key,omitempty"`
+	Value   string   `xml:"Value,omitempty" json:"Value,omitempty"`
+}
+
+// IsEmpty returns whether this tag is empty or not.
+func (tag Tag) IsEmpty() bool {
+	return tag.Key == ""
+}
+
+// Transition structure - transition details of lifecycle configuration
+type Transition struct {
+	XMLName      xml.Name       `xml:"Transition" json:"-"`
+	Date         ExpirationDate `xml:"Date,omitempty" json:"Date,omitempty"`
+	StorageClass string         `xml:"StorageClass,omitempty" json:"StorageClass,omitempty"`
+	Days         ExpirationDays `xml:"Days,omitempty" json:"Days,omitempty"`
+}
+
+// IsDaysNull returns true if days field is null
+func (t Transition) IsDaysNull() bool {
+	return t.Days == ExpirationDays(0)
+}
+
+// IsDateNull returns true if date field is null
+func (t Transition) IsDateNull() bool {
+	return t.Date.Time.IsZero()
+}
+
+// IsNull returns true if both date and days fields are null
+func (t Transition) IsNull() bool {
+	return t.IsDaysNull() && t.IsDateNull()
+}
+
+// MarshalXML is transition is non null
+func (t Transition) MarshalXML(en *xml.Encoder, startElement xml.StartElement) error {
+	if t.IsNull() {
+		return nil
+	}
+	type transitionWrapper Transition
+	return en.EncodeElement(transitionWrapper(t), startElement)
+}
+
+// And And Rule for LifecycleTag, to be used in LifecycleRuleFilter
+type And struct {
+	XMLName xml.Name `xml:"And" json:"-"`
+	Prefix  string   `xml:"Prefix" json:"Prefix,omitempty"`
+	Tags    []Tag    `xml:"Tag" json:"Tags,omitempty"`
+}
+
+// IsEmpty returns true if Tags field is null
+func (a And) IsEmpty() bool {
+	return len(a.Tags) == 0 && a.Prefix == ""
+}
+
+// Filter will be used in selecting rule(s) for lifecycle configuration
+type Filter struct {
+	XMLName xml.Name `xml:"Filter" json:"-"`
+	And     And      `xml:"And,omitempty" json:"And,omitempty"`
+	Prefix  string   `xml:"Prefix,omitempty" json:"Prefix,omitempty"`
+	Tag     Tag      `xml:"Tag,omitempty" json:"Tag,omitempty"`
+}
+
+// MarshalXML - produces the xml representation of the Filter struct
+// only one of Prefix, And and Tag should be present in the output.
+func (f Filter) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if err := e.EncodeToken(start); err != nil {
+		return err
+	}
+
+	switch {
+	case !f.And.IsEmpty():
+		if err := e.EncodeElement(f.And, xml.StartElement{Name: xml.Name{Local: "And"}}); err != nil {
+			return err
+		}
+	case !f.Tag.IsEmpty():
+		if err := e.EncodeElement(f.Tag, xml.StartElement{Name: xml.Name{Local: "Tag"}}); err != nil {
+			return err
+		}
+	default:
+		// Always print Prefix field when both And & Tag are empty
+		if err := e.EncodeElement(f.Prefix, xml.StartElement{Name: xml.Name{Local: "Prefix"}}); err != nil {
+			return err
+		}
+	}
+
+	return e.EncodeToken(xml.EndElement{Name: start.Name})
+}
+
+// ExpirationDays is a type alias to unmarshal Days in Expiration
+type ExpirationDays int
+
+// MarshalXML encodes number of days to expire if it is non-zero and
+// encodes empty string otherwise
+func (eDays ExpirationDays) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if eDays == 0 {
+		return nil
+	}
+	return e.EncodeElement(int(eDays), startElement)
+}
+
+// ExpirationDate is a embedded type containing time.Time to unmarshal
+// Date in Expiration
+type ExpirationDate struct {
+	time.Time
+}
+
+// MarshalXML encodes expiration date if it is non-zero and encodes
+// empty string otherwise
+func (eDate ExpirationDate) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if eDate.Time.IsZero() {
+		return nil
+	}
+	return e.EncodeElement(eDate.Format(time.RFC3339), startElement)
+}
+
+// ExpireDeleteMarker represents value of ExpiredObjectDeleteMarker field in Expiration XML element.
+type ExpireDeleteMarker bool
+
+// MarshalXML encodes delete marker boolean into an XML form.
+func (b ExpireDeleteMarker) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if !b {
+		return nil
+	}
+	type expireDeleteMarkerWrapper ExpireDeleteMarker
+	return e.EncodeElement(expireDeleteMarkerWrapper(b), startElement)
+}
+
+// IsEnabled returns true if the auto delete-marker expiration is enabled
+func (b ExpireDeleteMarker) IsEnabled() bool {
+	return bool(b)
+}
+
+// Expiration structure - expiration details of lifecycle configuration
+type Expiration struct {
+	XMLName      xml.Name           `xml:"Expiration,omitempty" json:"-"`
+	Date         ExpirationDate     `xml:"Date,omitempty" json:"Date,omitempty"`
+	Days         ExpirationDays     `xml:"Days,omitempty" json:"Days,omitempty"`
+	DeleteMarker ExpireDeleteMarker `xml:"ExpiredObjectDeleteMarker,omitempty"`
+}
+
+// IsDaysNull returns true if days field is null
+func (e Expiration) IsDaysNull() bool {
+	return e.Days == ExpirationDays(0)
+}
+
+// IsDateNull returns true if date field is null
+func (e Expiration) IsDateNull() bool {
+	return e.Date.Time.IsZero()
+}
+
+// IsDeleteMarkerExpirationEnabled returns true if the auto-expiration of delete marker is enabled
+func (e Expiration) IsDeleteMarkerExpirationEnabled() bool {
+	return e.DeleteMarker.IsEnabled()
+}
+
+// IsNull returns true if both date and days fields are null
+func (e Expiration) IsNull() bool {
+	return e.IsDaysNull() && e.IsDateNull() && !e.IsDeleteMarkerExpirationEnabled()
+}
+
+// MarshalXML is expiration is non null
+func (e Expiration) MarshalXML(en *xml.Encoder, startElement xml.StartElement) error {
+	if e.IsNull() {
+		return nil
+	}
+	type expirationWrapper Expiration
+	return en.EncodeElement(expirationWrapper(e), startElement)
+}
+
+// Rule represents a single rule in lifecycle configuration
+type Rule struct {
+	XMLName                        xml.Name                       `xml:"Rule,omitempty" json:"-"`
+	AbortIncompleteMultipartUpload AbortIncompleteMultipartUpload `xml:"AbortIncompleteMultipartUpload,omitempty" json:"AbortIncompleteMultipartUpload,omitempty"`
+	Expiration                     Expiration                     `xml:"Expiration,omitempty" json:"Expiration,omitempty"`
+	ID                             string                         `xml:"ID" json:"ID"`
+	RuleFilter                     Filter                         `xml:"Filter,omitempty" json:"Filter,omitempty"`
+	NoncurrentVersionExpiration    NoncurrentVersionExpiration    `xml:"NoncurrentVersionExpiration,omitempty"  json:"NoncurrentVersionExpiration,omitempty"`
+	NoncurrentVersionTransition    NoncurrentVersionTransition    `xml:"NoncurrentVersionTransition,omitempty" json:"NoncurrentVersionTransition,omitempty"`
+	Prefix                         string                         `xml:"Prefix,omitempty" json:"Prefix,omitempty"`
+	Status                         string                         `xml:"Status" json:"Status"`
+	Transition                     Transition                     `xml:"Transition,omitempty" json:"Transition,omitempty"`
+}
+
+// Configuration is a collection of Rule objects.
+type Configuration struct {
+	XMLName xml.Name `xml:"LifecycleConfiguration,omitempty" json:"-"`
+	Rules   []Rule   `xml:"Rule"`
+}
+
+// Empty check if lifecycle configuration is empty
+func (c *Configuration) Empty() bool {
+	if c == nil {
+		return true
+	}
+	return len(c.Rules) == 0
+}
+
+// NewConfiguration initializes a fresh lifecycle configuration
+// for manipulation, such as setting and removing lifecycle rules
+// and filters.
+func NewConfiguration() *Configuration {
+	return &Configuration{}
+}