forked from TrueCloudLab/restic
126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
package storage
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// Copyright 2017 Microsoft Corporation
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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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import (
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"fmt"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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)
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// BlobStorageClient contains operations for Microsoft Azure Blob Storage
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// Service.
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type BlobStorageClient struct {
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client Client
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auth authentication
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}
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// GetServiceProperties gets the properties of your storage account's blob service.
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// See: https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/get-blob-service-properties
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func (b *BlobStorageClient) GetServiceProperties() (*ServiceProperties, error) {
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return b.client.getServiceProperties(blobServiceName, b.auth)
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}
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// SetServiceProperties sets the properties of your storage account's blob service.
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// See: https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/set-blob-service-properties
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func (b *BlobStorageClient) SetServiceProperties(props ServiceProperties) error {
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return b.client.setServiceProperties(props, blobServiceName, b.auth)
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}
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// ListContainersParameters defines the set of customizable parameters to make a
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// List Containers call.
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//
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// See https://msdn.microsoft.com/en-us/library/azure/dd179352.aspx
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type ListContainersParameters struct {
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Prefix string
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Marker string
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Include string
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MaxResults uint
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Timeout uint
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}
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// GetContainerReference returns a Container object for the specified container name.
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func (b *BlobStorageClient) GetContainerReference(name string) *Container {
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return &Container{
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bsc: b,
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Name: name,
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}
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}
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// GetContainerReferenceFromSASURI returns a Container object for the specified
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// container SASURI
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func GetContainerReferenceFromSASURI(sasuri url.URL) (*Container, error) {
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path := strings.Split(sasuri.Path, "/")
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if len(path) <= 1 {
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return nil, fmt.Errorf("could not find a container in URI: %s", sasuri.String())
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}
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cli := newSASClient().GetBlobService()
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return &Container{
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bsc: &cli,
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Name: path[1],
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sasuri: sasuri,
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}, nil
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}
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// ListContainers returns the list of containers in a storage account along with
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// pagination token and other response details.
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//
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// See https://msdn.microsoft.com/en-us/library/azure/dd179352.aspx
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func (b BlobStorageClient) ListContainers(params ListContainersParameters) (*ContainerListResponse, error) {
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q := mergeParams(params.getParameters(), url.Values{"comp": {"list"}})
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uri := b.client.getEndpoint(blobServiceName, "", q)
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headers := b.client.getStandardHeaders()
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var out ContainerListResponse
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resp, err := b.client.exec(http.MethodGet, uri, headers, nil, b.auth)
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if err != nil {
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return nil, err
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}
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defer resp.body.Close()
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err = xmlUnmarshal(resp.body, &out)
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if err != nil {
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return nil, err
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}
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// assign our client to the newly created Container objects
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for i := range out.Containers {
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out.Containers[i].bsc = &b
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}
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return &out, err
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}
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func (p ListContainersParameters) getParameters() url.Values {
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out := url.Values{}
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if p.Prefix != "" {
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out.Set("prefix", p.Prefix)
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}
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if p.Marker != "" {
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out.Set("marker", p.Marker)
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}
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if p.Include != "" {
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out.Set("include", p.Include)
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}
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if p.MaxResults != 0 {
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out.Set("maxresults", strconv.FormatUint(uint64(p.MaxResults), 10))
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}
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if p.Timeout != 0 {
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out.Set("timeout", strconv.FormatUint(uint64(p.Timeout), 10))
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}
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return out
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}
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