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			614 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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|  * Minio Cloud Storage, (C) 2015, 2016, 2017, 2018 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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| 
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| package cmd
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| 
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| import (
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| 	"encoding/xml"
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| 	"net/http"
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| 	"net/url"
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| 	"path"
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| 	"time"
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| 
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| 	"github.com/minio/minio/pkg/handlers"
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| )
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| 
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| const (
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| 	timeFormatAMZLong = "2006-01-02T15:04:05.000Z" // Reply date format with nanosecond precision.
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| 	maxObjectList     = 1000                       // Limit number of objects in a listObjectsResponse.
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| 	maxUploadsList    = 1000                       // Limit number of uploads in a listUploadsResponse.
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| 	maxPartsList      = 1000                       // Limit number of parts in a listPartsResponse.
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| )
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| 
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| // LocationResponse - format for location response.
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| type LocationResponse struct {
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| 	XMLName  xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LocationConstraint" json:"-"`
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| 	Location string   `xml:",chardata"`
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| }
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| 
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| // ListObjectsResponse - format for list objects response.
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| type ListObjectsResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult" json:"-"`
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| 
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| 	Name   string
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| 	Prefix string
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| 	Marker string
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| 
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| 	// When response is truncated (the IsTruncated element value in the response
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| 	// is true), you can use the key name in this field as marker in the subsequent
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| 	// request to get next set of objects. Server lists objects in alphabetical
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| 	// order Note: This element is returned only if you have delimiter request parameter
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| 	// specified. If response does not include the NextMaker and it is truncated,
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| 	// you can use the value of the last Key in the response as the marker in the
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| 	// subsequent request to get the next set of object keys.
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| 	NextMarker string `xml:"NextMarker,omitempty"`
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| 
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| 	MaxKeys   int
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| 	Delimiter string
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| 	// A flag that indicates whether or not ListObjects returned all of the results
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| 	// that satisfied the search criteria.
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| 	IsTruncated bool
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| 
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| 	Contents       []Object
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| 	CommonPrefixes []CommonPrefix
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| 
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| 	// Encoding type used to encode object keys in the response.
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| 	EncodingType string `xml:"EncodingType,omitempty"`
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| }
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| 
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| // ListObjectsV2Response - format for list objects response.
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| type ListObjectsV2Response struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult" json:"-"`
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| 
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| 	Name       string
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| 	Prefix     string
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| 	StartAfter string `xml:"StartAfter,omitempty"`
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| 	// When response is truncated (the IsTruncated element value in the response
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| 	// is true), you can use the key name in this field as marker in the subsequent
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| 	// request to get next set of objects. Server lists objects in alphabetical
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| 	// order Note: This element is returned only if you have delimiter request parameter
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| 	// specified. If response does not include the NextMaker and it is truncated,
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| 	// you can use the value of the last Key in the response as the marker in the
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| 	// subsequent request to get the next set of object keys.
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| 	ContinuationToken     string `xml:"ContinuationToken,omitempty"`
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| 	NextContinuationToken string `xml:"NextContinuationToken,omitempty"`
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| 
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| 	KeyCount  int
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| 	MaxKeys   int
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| 	Delimiter string
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| 	// A flag that indicates whether or not ListObjects returned all of the results
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| 	// that satisfied the search criteria.
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| 	IsTruncated bool
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| 
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| 	Contents       []Object
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| 	CommonPrefixes []CommonPrefix
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| 
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| 	// Encoding type used to encode object keys in the response.
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| 	EncodingType string `xml:"EncodingType,omitempty"`
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| }
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| 
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| // Part container for part metadata.
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| type Part struct {
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| 	PartNumber   int
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| 	LastModified string
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| 	ETag         string
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| 	Size         int64
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| }
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| 
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| // ListPartsResponse - format for list parts response.
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| type ListPartsResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListPartsResult" json:"-"`
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| 
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| 	Bucket   string
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| 	Key      string
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| 	UploadID string `xml:"UploadId"`
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| 
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| 	Initiator Initiator
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| 	Owner     Owner
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| 
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| 	// The class of storage used to store the object.
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| 	StorageClass string
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| 
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| 	PartNumberMarker     int
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| 	NextPartNumberMarker int
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| 	MaxParts             int
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| 	IsTruncated          bool
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| 
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| 	// List of parts.
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| 	Parts []Part `xml:"Part"`
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| }
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| 
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| // ListMultipartUploadsResponse - format for list multipart uploads response.
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| type ListMultipartUploadsResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListMultipartUploadsResult" json:"-"`
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| 
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| 	Bucket             string
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| 	KeyMarker          string
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| 	UploadIDMarker     string `xml:"UploadIdMarker"`
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| 	NextKeyMarker      string
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| 	NextUploadIDMarker string `xml:"NextUploadIdMarker"`
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| 	Delimiter          string
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| 	Prefix             string
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| 	EncodingType       string `xml:"EncodingType,omitempty"`
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| 	MaxUploads         int
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| 	IsTruncated        bool
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| 
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| 	// List of pending uploads.
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| 	Uploads []Upload `xml:"Upload"`
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| 
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| 	// Delimed common prefixes.
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| 	CommonPrefixes []CommonPrefix
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| }
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| 
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| // ListBucketsResponse - format for list buckets response
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| type ListBucketsResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResult" json:"-"`
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| 
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| 	Owner Owner
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| 
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| 	// Container for one or more buckets.
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| 	Buckets struct {
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| 		Buckets []Bucket `xml:"Bucket"`
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| 	} // Buckets are nested
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| }
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| 
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| // Upload container for in progress multipart upload
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| type Upload struct {
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| 	Key          string
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| 	UploadID     string `xml:"UploadId"`
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| 	Initiator    Initiator
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| 	Owner        Owner
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| 	StorageClass string
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| 	Initiated    string
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| }
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| 
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| // CommonPrefix container for prefix response in ListObjectsResponse
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| type CommonPrefix struct {
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| 	Prefix string
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| }
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| 
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| // Bucket container for bucket metadata
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| type Bucket struct {
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| 	Name         string
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| 	CreationDate string // time string of format "2006-01-02T15:04:05.000Z"
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| }
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| 
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| // Object container for object metadata
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| type Object struct {
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| 	Key          string
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| 	LastModified string // time string of format "2006-01-02T15:04:05.000Z"
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| 	ETag         string
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| 	Size         int64
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| 
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| 	// Owner of the object.
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| 	Owner Owner
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| 
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| 	// The class of storage used to store the object.
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| 	StorageClass string
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| }
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| 
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| // CopyObjectResponse container returns ETag and LastModified of the successfully copied object
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| type CopyObjectResponse struct {
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| 	XMLName      xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopyObjectResult" json:"-"`
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| 	LastModified string   // time string of format "2006-01-02T15:04:05.000Z"
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| 	ETag         string   // md5sum of the copied object.
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| }
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| 
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| // CopyObjectPartResponse container returns ETag and LastModified of the successfully copied object
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| type CopyObjectPartResponse struct {
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| 	XMLName      xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopyPartResult" json:"-"`
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| 	LastModified string   // time string of format "2006-01-02T15:04:05.000Z"
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| 	ETag         string   // md5sum of the copied object part.
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| }
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| 
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| // Initiator inherit from Owner struct, fields are same
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| type Initiator Owner
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| 
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| // Owner - bucket owner/principal
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| type Owner struct {
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| 	ID          string
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| 	DisplayName string
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| }
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| 
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| // InitiateMultipartUploadResponse container for InitiateMultiPartUpload response, provides uploadID to start MultiPart upload
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| type InitiateMultipartUploadResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InitiateMultipartUploadResult" json:"-"`
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| 
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| 	Bucket   string
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| 	Key      string
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| 	UploadID string `xml:"UploadId"`
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| }
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| 
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| // CompleteMultipartUploadResponse container for completed multipart upload response
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| type CompleteMultipartUploadResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CompleteMultipartUploadResult" json:"-"`
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| 
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| 	Location string
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| 	Bucket   string
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| 	Key      string
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| 	ETag     string
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| }
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| 
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| // DeleteError structure.
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| type DeleteError struct {
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| 	Code    string
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| 	Message string
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| 	Key     string
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| }
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| 
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| // DeleteObjectsResponse container for multiple object deletes.
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| type DeleteObjectsResponse struct {
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| 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DeleteResult" json:"-"`
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| 
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| 	// Collection of all deleted objects
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| 	DeletedObjects []ObjectIdentifier `xml:"Deleted,omitempty"`
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| 
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| 	// Collection of errors deleting certain objects.
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| 	Errors []DeleteError `xml:"Error,omitempty"`
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| }
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| 
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| // PostResponse container for POST object request when success_action_status is set to 201
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| type PostResponse struct {
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| 	Bucket   string
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| 	Key      string
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| 	ETag     string
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| 	Location string
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| }
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| 
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| // returns "https" if the tls boolean is true, "http" otherwise.
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| func getURLScheme(tls bool) string {
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| 	if tls {
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| 		return httpsScheme
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| 	}
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| 	return httpScheme
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| }
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| 
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| // getObjectLocation gets the fully qualified URL of an object.
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| func getObjectLocation(r *http.Request, domain, bucket, object string) string {
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| 	// unit tests do not have host set.
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| 	if r.Host == "" {
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| 		return path.Clean(r.URL.Path)
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| 	}
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| 	proto := handlers.GetSourceScheme(r)
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| 	if proto == "" {
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| 		proto = getURLScheme(globalIsSSL)
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| 	}
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| 	u := &url.URL{
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| 		Host:   r.Host,
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| 		Path:   path.Join(slashSeparator, bucket, object),
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| 		Scheme: proto,
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| 	}
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| 	// If domain is set then we need to use bucket DNS style.
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| 	if domain != "" {
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| 		u.Host = bucket + "." + domain
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| 		u.Path = path.Join(slashSeparator, object)
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| 	}
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| 	return u.String()
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| }
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| 
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| // generates ListBucketsResponse from array of BucketInfo which can be
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| // serialized to match XML and JSON API spec output.
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| func generateListBucketsResponse(buckets []BucketInfo) ListBucketsResponse {
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| 	var listbuckets []Bucket
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| 	var data = ListBucketsResponse{}
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| 	var owner = Owner{}
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| 
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| 	owner.ID = globalMinioDefaultOwnerID
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| 	for _, bucket := range buckets {
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| 		var listbucket = Bucket{}
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| 		listbucket.Name = bucket.Name
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| 		listbucket.CreationDate = bucket.Created.UTC().Format(timeFormatAMZLong)
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| 		listbuckets = append(listbuckets, listbucket)
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| 	}
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| 
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| 	data.Owner = owner
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| 	data.Buckets.Buckets = listbuckets
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| 
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| 	return data
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| }
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| 
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| // generates an ListObjectsV1 response for the said bucket with other enumerated options.
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| func generateListObjectsV1Response(bucket, prefix, marker, delimiter string, maxKeys int, resp ListObjectsInfo) ListObjectsResponse {
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| 	var contents []Object
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| 	var prefixes []CommonPrefix
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| 	var owner = Owner{}
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| 	var data = ListObjectsResponse{}
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| 
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| 	owner.ID = globalMinioDefaultOwnerID
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| 	for _, object := range resp.Objects {
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| 		var content = Object{}
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| 		if object.Name == "" {
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| 			continue
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| 		}
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| 		content.Key = object.Name
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| 		content.LastModified = object.ModTime.UTC().Format(timeFormatAMZLong)
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| 		if object.ETag != "" {
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| 			content.ETag = "\"" + object.ETag + "\""
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| 		}
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| 		content.Size = object.Size
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| 		content.StorageClass = object.StorageClass
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| 		content.Owner = owner
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| 		contents = append(contents, content)
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| 	}
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| 	// TODO - support EncodingType in xml decoding
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| 	data.Name = bucket
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| 	data.Contents = contents
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| 
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| 	data.Prefix = prefix
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| 	data.Marker = marker
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| 	data.Delimiter = delimiter
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| 	data.MaxKeys = maxKeys
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| 
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| 	data.NextMarker = resp.NextMarker
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| 	data.IsTruncated = resp.IsTruncated
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| 	for _, prefix := range resp.Prefixes {
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| 		var prefixItem = CommonPrefix{}
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| 		prefixItem.Prefix = prefix
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| 		prefixes = append(prefixes, prefixItem)
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| 	}
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| 	data.CommonPrefixes = prefixes
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| 	return data
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| }
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| 
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| // generates an ListObjectsV2 response for the said bucket with other enumerated options.
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| func generateListObjectsV2Response(bucket, prefix, token, nextToken, startAfter, delimiter string, fetchOwner, isTruncated bool, maxKeys int, objects []ObjectInfo, prefixes []string) ListObjectsV2Response {
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| 	var contents []Object
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| 	var commonPrefixes []CommonPrefix
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| 	var owner = Owner{}
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| 	var data = ListObjectsV2Response{}
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| 
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| 	if fetchOwner {
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| 		owner.ID = globalMinioDefaultOwnerID
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| 	}
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| 
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| 	for _, object := range objects {
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| 		var content = Object{}
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| 		if object.Name == "" {
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| 			continue
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| 		}
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| 		content.Key = object.Name
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| 		content.LastModified = object.ModTime.UTC().Format(timeFormatAMZLong)
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| 		if object.ETag != "" {
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| 			content.ETag = "\"" + object.ETag + "\""
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| 		}
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| 		content.Size = object.Size
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| 		content.StorageClass = object.StorageClass
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| 		content.Owner = owner
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| 		contents = append(contents, content)
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| 	}
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| 	// TODO - support EncodingType in xml decoding
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| 	data.Name = bucket
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| 	data.Contents = contents
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| 
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| 	data.StartAfter = startAfter
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| 	data.Delimiter = delimiter
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| 	data.Prefix = prefix
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| 	data.MaxKeys = maxKeys
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| 	data.ContinuationToken = token
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| 	data.NextContinuationToken = nextToken
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| 	data.IsTruncated = isTruncated
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| 	for _, prefix := range prefixes {
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| 		var prefixItem = CommonPrefix{}
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| 		prefixItem.Prefix = prefix
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| 		commonPrefixes = append(commonPrefixes, prefixItem)
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| 	}
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| 	data.CommonPrefixes = commonPrefixes
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| 	data.KeyCount = len(data.Contents) + len(data.CommonPrefixes)
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| 	return data
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| }
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| 
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| // generates CopyObjectResponse from etag and lastModified time.
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| func generateCopyObjectResponse(etag string, lastModified time.Time) CopyObjectResponse {
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| 	return CopyObjectResponse{
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| 		ETag:         "\"" + etag + "\"",
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| 		LastModified: lastModified.UTC().Format(timeFormatAMZLong),
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| 	}
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| }
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| 
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| // generates CopyObjectPartResponse from etag and lastModified time.
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| func generateCopyObjectPartResponse(etag string, lastModified time.Time) CopyObjectPartResponse {
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| 	return CopyObjectPartResponse{
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| 		ETag:         "\"" + etag + "\"",
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| 		LastModified: lastModified.UTC().Format(timeFormatAMZLong),
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| 	}
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| }
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| 
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| // generates InitiateMultipartUploadResponse for given bucket, key and uploadID.
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| func generateInitiateMultipartUploadResponse(bucket, key, uploadID string) InitiateMultipartUploadResponse {
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| 	return InitiateMultipartUploadResponse{
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| 		Bucket:   bucket,
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| 		Key:      key,
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| 		UploadID: uploadID,
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| 	}
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| }
 | |
| 
 | |
| // generates CompleteMultipartUploadResponse for given bucket, key, location and ETag.
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| func generateCompleteMultpartUploadResponse(bucket, key, location, etag string) CompleteMultipartUploadResponse {
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| 	return CompleteMultipartUploadResponse{
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| 		Location: location,
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| 		Bucket:   bucket,
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| 		Key:      key,
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| 		ETag:     etag,
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| 	}
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| }
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| 
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| // generates ListPartsResponse from ListPartsInfo.
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| func generateListPartsResponse(partsInfo ListPartsInfo) ListPartsResponse {
 | |
| 	// TODO - support EncodingType in xml decoding
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| 	listPartsResponse := ListPartsResponse{}
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| 	listPartsResponse.Bucket = partsInfo.Bucket
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| 	listPartsResponse.Key = partsInfo.Object
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| 	listPartsResponse.UploadID = partsInfo.UploadID
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| 	listPartsResponse.StorageClass = globalMinioDefaultStorageClass
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| 	listPartsResponse.Initiator.ID = globalMinioDefaultOwnerID
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| 	listPartsResponse.Owner.ID = globalMinioDefaultOwnerID
 | |
| 
 | |
| 	listPartsResponse.MaxParts = partsInfo.MaxParts
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| 	listPartsResponse.PartNumberMarker = partsInfo.PartNumberMarker
 | |
| 	listPartsResponse.IsTruncated = partsInfo.IsTruncated
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| 	listPartsResponse.NextPartNumberMarker = partsInfo.NextPartNumberMarker
 | |
| 
 | |
| 	listPartsResponse.Parts = make([]Part, len(partsInfo.Parts))
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| 	for index, part := range partsInfo.Parts {
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| 		newPart := Part{}
 | |
| 		newPart.PartNumber = part.PartNumber
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| 		newPart.ETag = "\"" + part.ETag + "\""
 | |
| 		newPart.Size = part.Size
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| 		newPart.LastModified = part.LastModified.UTC().Format(timeFormatAMZLong)
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| 		listPartsResponse.Parts[index] = newPart
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| 	}
 | |
| 	return listPartsResponse
 | |
| }
 | |
| 
 | |
| // generates ListMultipartUploadsResponse for given bucket and ListMultipartsInfo.
 | |
| func generateListMultipartUploadsResponse(bucket string, multipartsInfo ListMultipartsInfo) ListMultipartUploadsResponse {
 | |
| 	listMultipartUploadsResponse := ListMultipartUploadsResponse{}
 | |
| 	listMultipartUploadsResponse.Bucket = bucket
 | |
| 	listMultipartUploadsResponse.Delimiter = multipartsInfo.Delimiter
 | |
| 	listMultipartUploadsResponse.IsTruncated = multipartsInfo.IsTruncated
 | |
| 	listMultipartUploadsResponse.EncodingType = multipartsInfo.EncodingType
 | |
| 	listMultipartUploadsResponse.Prefix = multipartsInfo.Prefix
 | |
| 	listMultipartUploadsResponse.KeyMarker = multipartsInfo.KeyMarker
 | |
| 	listMultipartUploadsResponse.NextKeyMarker = multipartsInfo.NextKeyMarker
 | |
| 	listMultipartUploadsResponse.MaxUploads = multipartsInfo.MaxUploads
 | |
| 	listMultipartUploadsResponse.NextUploadIDMarker = multipartsInfo.NextUploadIDMarker
 | |
| 	listMultipartUploadsResponse.UploadIDMarker = multipartsInfo.UploadIDMarker
 | |
| 	listMultipartUploadsResponse.CommonPrefixes = make([]CommonPrefix, len(multipartsInfo.CommonPrefixes))
 | |
| 	for index, commonPrefix := range multipartsInfo.CommonPrefixes {
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| 		listMultipartUploadsResponse.CommonPrefixes[index] = CommonPrefix{
 | |
| 			Prefix: commonPrefix,
 | |
| 		}
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| 	}
 | |
| 	listMultipartUploadsResponse.Uploads = make([]Upload, len(multipartsInfo.Uploads))
 | |
| 	for index, upload := range multipartsInfo.Uploads {
 | |
| 		newUpload := Upload{}
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| 		newUpload.UploadID = upload.UploadID
 | |
| 		newUpload.Key = upload.Object
 | |
| 		newUpload.Initiated = upload.Initiated.UTC().Format(timeFormatAMZLong)
 | |
| 		listMultipartUploadsResponse.Uploads[index] = newUpload
 | |
| 	}
 | |
| 	return listMultipartUploadsResponse
 | |
| }
 | |
| 
 | |
| // generate multi objects delete response.
 | |
| func generateMultiDeleteResponse(quiet bool, deletedObjects []ObjectIdentifier, errs []DeleteError) DeleteObjectsResponse {
 | |
| 	deleteResp := DeleteObjectsResponse{}
 | |
| 	if !quiet {
 | |
| 		deleteResp.DeletedObjects = deletedObjects
 | |
| 	}
 | |
| 	deleteResp.Errors = errs
 | |
| 	return deleteResp
 | |
| }
 | |
| 
 | |
| func writeResponse(w http.ResponseWriter, statusCode int, response []byte, mType mimeType) {
 | |
| 	setCommonHeaders(w)
 | |
| 	if mType != mimeNone {
 | |
| 		w.Header().Set("Content-Type", string(mType))
 | |
| 	}
 | |
| 	w.WriteHeader(statusCode)
 | |
| 	if response != nil {
 | |
| 		w.Write(response)
 | |
| 		w.(http.Flusher).Flush()
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // mimeType represents various MIME type used API responses.
 | |
| type mimeType string
 | |
| 
 | |
| const (
 | |
| 	// Means no response type.
 | |
| 	mimeNone mimeType = ""
 | |
| 	// Means response type is JSON.
 | |
| 	mimeJSON mimeType = "application/json"
 | |
| 	// Means response type is XML.
 | |
| 	mimeXML mimeType = "application/xml"
 | |
| )
 | |
| 
 | |
| // writeSuccessResponseJSON writes success headers and response if any,
 | |
| // with content-type set to `application/json`.
 | |
| func writeSuccessResponseJSON(w http.ResponseWriter, response []byte) {
 | |
| 	writeResponse(w, http.StatusOK, response, mimeJSON)
 | |
| }
 | |
| 
 | |
| // writeSuccessResponseXML writes success headers and response if any,
 | |
| // with content-type set to `application/xml`.
 | |
| func writeSuccessResponseXML(w http.ResponseWriter, response []byte) {
 | |
| 	writeResponse(w, http.StatusOK, response, mimeXML)
 | |
| }
 | |
| 
 | |
| // writeSuccessNoContent writes success headers with http status 204
 | |
| func writeSuccessNoContent(w http.ResponseWriter) {
 | |
| 	writeResponse(w, http.StatusNoContent, nil, mimeNone)
 | |
| }
 | |
| 
 | |
| // writeRedirectSeeOther writes Location header with http status 303
 | |
| func writeRedirectSeeOther(w http.ResponseWriter, location string) {
 | |
| 	w.Header().Set("Location", location)
 | |
| 	writeResponse(w, http.StatusSeeOther, nil, mimeNone)
 | |
| }
 | |
| 
 | |
| func writeSuccessResponseHeadersOnly(w http.ResponseWriter) {
 | |
| 	writeResponse(w, http.StatusOK, nil, mimeNone)
 | |
| }
 | |
| 
 | |
| // writeErrorRespone writes error headers
 | |
| func writeErrorResponse(w http.ResponseWriter, errorCode APIErrorCode, reqURL *url.URL) {
 | |
| 	switch errorCode {
 | |
| 	case ErrSlowDown, ErrServerNotInitialized, ErrReadQuorum, ErrWriteQuorum:
 | |
| 		// Set retry-after header to indicate user-agents to retry request after 120secs.
 | |
| 		// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After
 | |
| 		w.Header().Set("Retry-After", "120")
 | |
| 	}
 | |
| 	apiError := getAPIError(errorCode)
 | |
| 	// Generate error response.
 | |
| 	errorResponse := getAPIErrorResponse(apiError, reqURL.Path)
 | |
| 	encodedErrorResponse := encodeResponse(errorResponse)
 | |
| 	writeResponse(w, apiError.HTTPStatusCode, encodedErrorResponse, mimeXML)
 | |
| }
 | |
| 
 | |
| func writeErrorResponseHeadersOnly(w http.ResponseWriter, errorCode APIErrorCode) {
 | |
| 	apiError := getAPIError(errorCode)
 | |
| 	writeResponse(w, apiError.HTTPStatusCode, nil, mimeNone)
 | |
| }
 | |
| 
 | |
| // writeErrorResponseJSON - writes error response in JSON format;
 | |
| // useful for admin APIs.
 | |
| func writeErrorResponseJSON(w http.ResponseWriter, errorCode APIErrorCode, reqURL *url.URL) {
 | |
| 	apiError := getAPIError(errorCode)
 | |
| 	// Generate error response.
 | |
| 	errorResponse := getAPIErrorResponse(apiError, reqURL.Path)
 | |
| 	encodedErrorResponse := encodeResponseJSON(errorResponse)
 | |
| 	writeResponse(w, apiError.HTTPStatusCode, encodedErrorResponse, mimeJSON)
 | |
| }
 | |
| 
 | |
| // writeCustomErrorResponseJSON - similar to writeErrorResponseJSON,
 | |
| // but accepts the error message directly (this allows messages to be
 | |
| // dynamically generated.)
 | |
| func writeCustomErrorResponseJSON(w http.ResponseWriter, errorCode APIErrorCode,
 | |
| 	errBody string, reqURL *url.URL) {
 | |
| 
 | |
| 	apiError := getAPIError(errorCode)
 | |
| 	errorResponse := APIErrorResponse{
 | |
| 		Code:      apiError.Code,
 | |
| 		Message:   errBody,
 | |
| 		Resource:  reqURL.Path,
 | |
| 		RequestID: "3L137",
 | |
| 		HostID:    "3L137",
 | |
| 	}
 | |
| 	encodedErrorResponse := encodeResponseJSON(errorResponse)
 | |
| 	writeResponse(w, apiError.HTTPStatusCode, encodedErrorResponse, mimeJSON)
 | |
| }
 |