server: Move all the top level files into cmd folder. (#2490)

This change brings a change which was done for the 'mc'
package to allow for clean repo and have a cleaner
github drop in experience.

cmd/bucket-notification-datatypes.go

@@ -0,0 +1,178 @@
+/*
+ * Minio Cloud Storage, (C) 2016 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 cmd
+
+import (
+	"encoding/xml"
+	"errors"
+)
+
+// Represents the criteria for the filter rule.
+type filterRule struct {
+	Name  string `xml:"Name"`
+	Value string `xml:"Value"`
+}
+
+// Collection of filter rules per service config.
+type keyFilter struct {
+	FilterRules []filterRule `xml:"FilterRule,omitempty"`
+}
+
+// Queue SQS configuration.
+type queueConfig struct {
+	Events []string `xml:"Event"`
+	Filter struct {
+		Key keyFilter `xml:"S3Key,omitempty"`
+	}
+	ID       string `xml:"Id"`
+	QueueARN string `xml:"Queue"`
+}
+
+// Topic SNS configuration, this is a compliance field not used by minio yet.
+type topicConfig struct {
+	Events []string `xml:"Event"`
+	Filter struct {
+		Key keyFilter `xml:"S3Key"`
+	}
+	ID       string `xml:"Id"`
+	TopicARN string `xml:"Topic"`
+}
+
+// Lambda function configuration, this is a compliance field not used by minio yet.
+type lambdaConfig struct {
+	Events []string `xml:"Event"`
+	Filter struct {
+		Key keyFilter `xml:"S3Key,omitempty"`
+	}
+	ID        string `xml:"Id"`
+	LambdaARN string `xml:"CloudFunction"`
+}
+
+// Notification configuration structure represents the XML format of
+// notification configuration of buckets.
+type notificationConfig struct {
+	XMLName       xml.Name       `xml:"NotificationConfiguration"`
+	QueueConfigs  []queueConfig  `xml:"QueueConfiguration"`
+	TopicConfigs  []topicConfig  `xml:"TopicConfiguration"`
+	LambdaConfigs []lambdaConfig `xml:"CloudFunctionConfiguration"`
+}
+
+// Internal error used to signal notifications not set.
+var errNoSuchNotifications = errors.New("The specified bucket does not have bucket notifications")
+
+// EventName is AWS S3 event type:
+// http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html
+type EventName int
+
+const (
+	// ObjectCreatedPut is s3:ObjectCreated:Put
+	ObjectCreatedPut EventName = iota
+	// ObjectCreatedPost is s3:ObjectCreated:Post
+	ObjectCreatedPost
+	// ObjectCreatedCopy is s3:ObjectCreated:Copy
+	ObjectCreatedCopy
+	// ObjectCreatedCompleteMultipartUpload is s3:ObjectCreated:CompleteMultipartUpload
+	ObjectCreatedCompleteMultipartUpload
+	// ObjectRemovedDelete is s3:ObjectRemoved:Delete
+	ObjectRemovedDelete
+)
+
+// Stringer interface for event name.
+func (eventName EventName) String() string {
+	switch eventName {
+	case ObjectCreatedPut:
+		return "s3:ObjectCreated:Put"
+	case ObjectCreatedPost:
+		return "s3:ObjectCreated:Post"
+	case ObjectCreatedCopy:
+		return "s3:ObjectCreated:Copy"
+	case ObjectCreatedCompleteMultipartUpload:
+		return "s3:ObjectCreated:CompleteMultipartUpload"
+	case ObjectRemovedDelete:
+		return "s3:ObjectRemoved:Delete"
+	default:
+		return "s3:Unknown"
+	}
+}
+
+// Indentity represents the user id, this is a compliance field.
+type identity struct {
+	PrincipalID string `json:"principalId"`
+}
+
+func defaultIdentity() identity {
+	return identity{"minio"}
+}
+
+// Notification event bucket metadata.
+type bucketMeta struct {
+	Name          string   `json:"name"`
+	OwnerIdentity identity `json:"ownerIdentity"`
+	ARN           string   `json:"arn"`
+}
+
+// Notification event object metadata.
+type objectMeta struct {
+	Key       string `json:"key"`
+	Size      int64  `json:"size,omitempty"`
+	ETag      string `json:"eTag,omitempty"`
+	VersionID string `json:"versionId,omitempty"`
+	Sequencer string `json:"sequencer"`
+}
+
+// Notification event server specific metadata.
+type eventMeta struct {
+	SchemaVersion   string     `json:"s3SchemaVersion"`
+	ConfigurationID string     `json:"configurationId"`
+	Bucket          bucketMeta `json:"bucket"`
+	Object          objectMeta `json:"object"`
+}
+
+// NotificationEvent represents an Amazon an S3 bucket notification event.
+type NotificationEvent struct {
+	EventVersion      string            `json:"eventVersion"`
+	EventSource       string            `json:"eventSource"`
+	AwsRegion         string            `json:"awsRegion"`
+	EventTime         string            `json:"eventTime"`
+	EventName         string            `json:"eventName"`
+	UserIdentity      identity          `json:"userIdentity"`
+	RequestParameters map[string]string `json:"requestParameters"`
+	ResponseElements  map[string]string `json:"responseElements"`
+	S3                eventMeta         `json:"s3"`
+}
+
+// Represents the minio topic type and account id's.
+type arnTopic struct {
+	Type      string
+	AccountID string
+}
+
+// Stringer for constructing AWS ARN compatible string.
+func (m arnTopic) String() string {
+	return minioTopic + serverConfig.GetRegion() + ":" + m.AccountID + ":" + m.Type
+}
+
+// Represents the minio sqs type and account id's.
+type arnSQS struct {
+	Type      string
+	AccountID string
+}
+
+// Stringer for constructing AWS ARN compatible string.
+func (m arnSQS) String() string {
+	return minioSqs + serverConfig.GetRegion() + ":" + m.AccountID + ":" + m.Type
+}