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mirror of https://github.com/distribution/distribution synced 2024-11-06 19:35:52 +01:00

azure: revendor + remove hacky solution in is404

Removing the temporary workaround in is404() method by re-vendoring
the azure-sdk-for-go.

Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
This commit is contained in:
Ahmet Alp Balkan 2016-12-12 21:12:39 -08:00 committed by Derek McGowan
parent 129ad8ea0c
commit 0a1ce58e2c
No known key found for this signature in database
GPG Key ID: F58C5D0A4405ACDB
7 changed files with 1007 additions and 122 deletions

@ -397,14 +397,6 @@ func (d *driver) listBlobs(container, virtPath string) ([]string, error) {
}
func is404(err error) bool {
// handle the case when the request was a HEAD and service error could not
// be parsed, such as "storage: service returned without a response body
// (404 The specified blob does not exist.)"
if strings.Contains(fmt.Sprintf("%v", err), "404 The specified blob does not exist") {
return true
}
// common case
statusCodeErr, ok := err.(azure.AzureStorageServiceError)
return ok && statusCodeErr.StatusCode == http.StatusNotFound
}

@ -6,6 +6,7 @@ import (
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"strconv"
@ -301,6 +302,65 @@ const (
ContainerAccessTypeContainer ContainerAccessType = "container"
)
// ContainerAccessOptions are used when setting ACLs of containers (after creation)
type ContainerAccessOptions struct {
ContainerAccess ContainerAccessType
Timeout int
LeaseID string
}
// AccessPolicyDetails are used for SETTING policies
type AccessPolicyDetails struct {
ID string
StartTime time.Time
ExpiryTime time.Time
CanRead bool
CanWrite bool
CanDelete bool
}
// ContainerPermissions is used when setting permissions and Access Policies for containers.
type ContainerPermissions struct {
AccessOptions ContainerAccessOptions
AccessPolicy AccessPolicyDetails
}
// AccessPolicyDetailsXML has specifics about an access policy
// annotated with XML details.
type AccessPolicyDetailsXML struct {
StartTime time.Time `xml:"Start"`
ExpiryTime time.Time `xml:"Expiry"`
Permission string `xml:"Permission"`
}
// SignedIdentifier is a wrapper for a specific policy
type SignedIdentifier struct {
ID string `xml:"Id"`
AccessPolicy AccessPolicyDetailsXML `xml:"AccessPolicy"`
}
// SignedIdentifiers part of the response from GetPermissions call.
type SignedIdentifiers struct {
SignedIdentifiers []SignedIdentifier `xml:"SignedIdentifier"`
}
// AccessPolicy is the response type from the GetPermissions call.
type AccessPolicy struct {
SignedIdentifiersList SignedIdentifiers `xml:"SignedIdentifiers"`
}
// ContainerAccessResponse is returned for the GetContainerPermissions function.
// This contains both the permission and access policy for the container.
type ContainerAccessResponse struct {
ContainerAccess ContainerAccessType
AccessPolicy SignedIdentifiers
}
// ContainerAccessHeader references header used when setting/getting container ACL
const (
ContainerAccessHeader string = "x-ms-blob-public-access"
)
// Maximum sizes (per REST API) for various concepts
const (
MaxBlobBlockSize = 4 * 1024 * 1024
@ -416,7 +476,7 @@ func (b BlobStorageClient) createContainer(name string, access ContainerAccessTy
headers := b.client.getStandardHeaders()
if access != "" {
headers["x-ms-blob-public-access"] = string(access)
headers[ContainerAccessHeader] = string(access)
}
return b.client.exec(verb, uri, headers, nil)
}
@ -438,6 +498,101 @@ func (b BlobStorageClient) ContainerExists(name string) (bool, error) {
return false, err
}
// SetContainerPermissions sets up container permissions as per https://msdn.microsoft.com/en-us/library/azure/dd179391.aspx
func (b BlobStorageClient) SetContainerPermissions(container string, containerPermissions ContainerPermissions) (err error) {
params := url.Values{
"restype": {"container"},
"comp": {"acl"},
}
if containerPermissions.AccessOptions.Timeout > 0 {
params.Add("timeout", strconv.Itoa(containerPermissions.AccessOptions.Timeout))
}
uri := b.client.getEndpoint(blobServiceName, pathForContainer(container), params)
headers := b.client.getStandardHeaders()
if containerPermissions.AccessOptions.ContainerAccess != "" {
headers[ContainerAccessHeader] = string(containerPermissions.AccessOptions.ContainerAccess)
}
if containerPermissions.AccessOptions.LeaseID != "" {
headers[leaseID] = containerPermissions.AccessOptions.LeaseID
}
// generate the XML for the SharedAccessSignature if required.
accessPolicyXML, err := generateAccessPolicy(containerPermissions.AccessPolicy)
if err != nil {
return err
}
var resp *storageResponse
if accessPolicyXML != "" {
headers["Content-Length"] = strconv.Itoa(len(accessPolicyXML))
resp, err = b.client.exec("PUT", uri, headers, strings.NewReader(accessPolicyXML))
} else {
resp, err = b.client.exec("PUT", uri, headers, nil)
}
if err != nil {
return err
}
if resp != nil {
defer func() {
err = resp.body.Close()
}()
if resp.statusCode != http.StatusOK {
return errors.New("Unable to set permissions")
}
}
return nil
}
// GetContainerPermissions gets the container permissions as per https://msdn.microsoft.com/en-us/library/azure/dd179469.aspx
// If timeout is 0 then it will not be passed to Azure
// leaseID will only be passed to Azure if populated
// Returns permissionResponse which is combined permissions and AccessPolicy
func (b BlobStorageClient) GetContainerPermissions(container string, timeout int, leaseID string) (permissionResponse *ContainerAccessResponse, err error) {
params := url.Values{"restype": {"container"},
"comp": {"acl"}}
if timeout > 0 {
params.Add("timeout", strconv.Itoa(timeout))
}
uri := b.client.getEndpoint(blobServiceName, pathForContainer(container), params)
headers := b.client.getStandardHeaders()
if leaseID != "" {
headers[leaseID] = leaseID
}
resp, err := b.client.exec("GET", uri, headers, nil)
if err != nil {
return nil, err
}
// containerAccess. Blob, Container, empty
containerAccess := resp.headers.Get(http.CanonicalHeaderKey(ContainerAccessHeader))
defer func() {
err = resp.body.Close()
}()
var out AccessPolicy
err = xmlUnmarshal(resp.body, &out.SignedIdentifiersList)
if err != nil {
return nil, err
}
permissionResponse = &ContainerAccessResponse{}
permissionResponse.AccessPolicy = out.SignedIdentifiersList
permissionResponse.ContainerAccess = ContainerAccessType(containerAccess)
return permissionResponse, nil
}
// DeleteContainer deletes the container with given name on the storage
// account. If the container does not exist returns error.
//
@ -595,13 +750,55 @@ func (b BlobStorageClient) leaseCommonPut(container string, name string, headers
return resp.headers, nil
}
// SnapshotBlob creates a snapshot for a blob as per https://msdn.microsoft.com/en-us/library/azure/ee691971.aspx
func (b BlobStorageClient) SnapshotBlob(container string, name string, timeout int, extraHeaders map[string]string) (snapshotTimestamp *time.Time, err error) {
headers := b.client.getStandardHeaders()
params := url.Values{"comp": {"snapshot"}}
if timeout > 0 {
params.Add("timeout", strconv.Itoa(timeout))
}
for k, v := range extraHeaders {
headers[k] = v
}
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), params)
resp, err := b.client.exec("PUT", uri, headers, nil)
if err != nil {
return nil, err
}
if err := checkRespCode(resp.statusCode, []int{http.StatusCreated}); err != nil {
return nil, err
}
snapshotResponse := resp.headers.Get(http.CanonicalHeaderKey("x-ms-snapshot"))
if snapshotResponse != "" {
snapshotTimestamp, err := time.Parse(time.RFC3339, snapshotResponse)
if err != nil {
return nil, err
}
return &snapshotTimestamp, nil
}
return nil, errors.New("Snapshot not created")
}
// AcquireLease creates a lease for a blob as per https://msdn.microsoft.com/en-us/library/azure/ee691972.aspx
// returns leaseID acquired
func (b BlobStorageClient) AcquireLease(container string, name string, leaseTimeInSeconds int, proposedLeaseID string) (returnedLeaseID string, err error) {
headers := b.client.getStandardHeaders()
headers[leaseAction] = acquireLease
headers[leaseProposedID] = proposedLeaseID
headers[leaseDuration] = strconv.Itoa(leaseTimeInSeconds)
if leaseTimeInSeconds > 0 {
headers[leaseDuration] = strconv.Itoa(leaseTimeInSeconds)
}
if proposedLeaseID != "" {
headers[leaseProposedID] = proposedLeaseID
}
respHeaders, err := b.leaseCommonPut(container, name, headers, http.StatusCreated)
if err != nil {
@ -614,8 +811,6 @@ func (b BlobStorageClient) AcquireLease(container string, name string, leaseTime
return returnedLeaseID, nil
}
// what should we return in case of HTTP 201 but no lease ID?
// or it just cant happen? (brave words)
return "", errors.New("LeaseID not returned")
}
@ -1106,15 +1301,20 @@ func (b BlobStorageClient) AppendBlock(container, name string, chunk []byte, ext
//
// See https://msdn.microsoft.com/en-us/library/azure/dd894037.aspx
func (b BlobStorageClient) CopyBlob(container, name, sourceBlob string) error {
copyID, err := b.startBlobCopy(container, name, sourceBlob)
copyID, err := b.StartBlobCopy(container, name, sourceBlob)
if err != nil {
return err
}
return b.waitForBlobCopy(container, name, copyID)
return b.WaitForBlobCopy(container, name, copyID)
}
func (b BlobStorageClient) startBlobCopy(container, name, sourceBlob string) (string, error) {
// StartBlobCopy starts a blob copy operation.
// sourceBlob parameter must be a canonical URL to the blob (can be
// obtained using GetBlobURL method.)
//
// See https://msdn.microsoft.com/en-us/library/azure/dd894037.aspx
func (b BlobStorageClient) StartBlobCopy(container, name, sourceBlob string) (string, error) {
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
@ -1137,7 +1337,39 @@ func (b BlobStorageClient) startBlobCopy(container, name, sourceBlob string) (st
return copyID, nil
}
func (b BlobStorageClient) waitForBlobCopy(container, name, copyID string) error {
// AbortBlobCopy aborts a BlobCopy which has already been triggered by the StartBlobCopy function.
// copyID is generated from StartBlobCopy function.
// currentLeaseID is required IF the destination blob has an active lease on it.
// As defined in https://msdn.microsoft.com/en-us/library/azure/jj159098.aspx
func (b BlobStorageClient) AbortBlobCopy(container, name, copyID, currentLeaseID string, timeout int) error {
params := url.Values{"comp": {"copy"}, "copyid": {copyID}}
if timeout > 0 {
params.Add("timeout", strconv.Itoa(timeout))
}
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), params)
headers := b.client.getStandardHeaders()
headers["x-ms-copy-action"] = "abort"
if currentLeaseID != "" {
headers[leaseID] = currentLeaseID
}
resp, err := b.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusNoContent}); err != nil {
return err
}
return nil
}
// WaitForBlobCopy loops until a BlobCopy operation is completed (or fails with error)
func (b BlobStorageClient) WaitForBlobCopy(container, name, copyID string) error {
for {
props, err := b.GetBlobProperties(container, name)
if err != nil {
@ -1212,17 +1444,18 @@ func pathForBlob(container, name string) string {
return fmt.Sprintf("/%s/%s", container, name)
}
// GetBlobSASURI creates an URL to the specified blob which contains the Shared
// Access Signature with specified permissions and expiration time.
// GetBlobSASURIWithSignedIPAndProtocol creates an URL to the specified blob which contains the Shared
// Access Signature with specified permissions and expiration time. Also includes signedIPRange and allowed procotols.
// If old API version is used but no signedIP is passed (ie empty string) then this should still work.
// We only populate the signedIP when it non-empty.
//
// See https://msdn.microsoft.com/en-us/library/azure/ee395415.aspx
func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Time, permissions string) (string, error) {
func (b BlobStorageClient) GetBlobSASURIWithSignedIPAndProtocol(container, name string, expiry time.Time, permissions string, signedIPRange string, HTTPSOnly bool) (string, error) {
var (
signedPermissions = permissions
blobURL = b.GetBlobURL(container, name)
)
canonicalizedResource, err := b.client.buildCanonicalizedResource(blobURL)
if err != nil {
return "", err
}
@ -1234,7 +1467,6 @@ func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Tim
// We need to replace + with %2b first to avoid being treated as a space (which is correct for query strings, but not the path component).
canonicalizedResource = strings.Replace(canonicalizedResource, "+", "%2b", -1)
canonicalizedResource, err = url.QueryUnescape(canonicalizedResource)
if err != nil {
return "", err
@ -1243,7 +1475,11 @@ func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Tim
signedExpiry := expiry.UTC().Format(time.RFC3339)
signedResource := "b"
stringToSign, err := blobSASStringToSign(b.client.apiVersion, canonicalizedResource, signedExpiry, signedPermissions)
protocols := "https,http"
if HTTPSOnly {
protocols = "https"
}
stringToSign, err := blobSASStringToSign(b.client.apiVersion, canonicalizedResource, signedExpiry, signedPermissions, signedIPRange, protocols)
if err != nil {
return "", err
}
@ -1257,6 +1493,13 @@ func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Tim
"sig": {sig},
}
if b.client.apiVersion >= "2015-04-05" {
sasParams.Add("spr", protocols)
if signedIPRange != "" {
sasParams.Add("sip", signedIPRange)
}
}
sasURL, err := url.Parse(blobURL)
if err != nil {
return "", err
@ -1265,16 +1508,89 @@ func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Tim
return sasURL.String(), nil
}
func blobSASStringToSign(signedVersion, canonicalizedResource, signedExpiry, signedPermissions string) (string, error) {
// GetBlobSASURI creates an URL to the specified blob which contains the Shared
// Access Signature with specified permissions and expiration time.
//
// See https://msdn.microsoft.com/en-us/library/azure/ee395415.aspx
func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Time, permissions string) (string, error) {
url, err := b.GetBlobSASURIWithSignedIPAndProtocol(container, name, expiry, permissions, "", false)
return url, err
}
func blobSASStringToSign(signedVersion, canonicalizedResource, signedExpiry, signedPermissions string, signedIP string, protocols string) (string, error) {
var signedStart, signedIdentifier, rscc, rscd, rsce, rscl, rsct string
if signedVersion >= "2015-02-21" {
canonicalizedResource = "/blob" + canonicalizedResource
}
// https://msdn.microsoft.com/en-us/library/azure/dn140255.aspx#Anchor_12
if signedVersion >= "2015-04-05" {
return fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s", signedPermissions, signedStart, signedExpiry, canonicalizedResource, signedIdentifier, signedIP, protocols, signedVersion, rscc, rscd, rsce, rscl, rsct), nil
}
// reference: http://msdn.microsoft.com/en-us/library/azure/dn140255.aspx
if signedVersion >= "2013-08-15" {
return fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s", signedPermissions, signedStart, signedExpiry, canonicalizedResource, signedIdentifier, signedVersion, rscc, rscd, rsce, rscl, rsct), nil
}
return "", errors.New("storage: not implemented SAS for versions earlier than 2013-08-15")
}
func generatePermissions(accessPolicy AccessPolicyDetails) (permissions string) {
// generate the permissions string (rwd).
// still want the end user API to have bool flags.
permissions = ""
if accessPolicy.CanRead {
permissions += "r"
}
if accessPolicy.CanWrite {
permissions += "w"
}
if accessPolicy.CanDelete {
permissions += "d"
}
return permissions
}
// convertAccessPolicyToXMLStructs converts between AccessPolicyDetails which is a struct better for API usage to the
// AccessPolicy struct which will get converted to XML.
func convertAccessPolicyToXMLStructs(accessPolicy AccessPolicyDetails) SignedIdentifiers {
return SignedIdentifiers{
SignedIdentifiers: []SignedIdentifier{
{
ID: accessPolicy.ID,
AccessPolicy: AccessPolicyDetailsXML{
StartTime: accessPolicy.StartTime.UTC().Round(time.Second),
ExpiryTime: accessPolicy.ExpiryTime.UTC().Round(time.Second),
Permission: generatePermissions(accessPolicy),
},
},
},
}
}
// generateAccessPolicy generates the XML access policy used as the payload for SetContainerPermissions.
func generateAccessPolicy(accessPolicy AccessPolicyDetails) (accessPolicyXML string, err error) {
if accessPolicy.ID != "" {
signedIdentifiers := convertAccessPolicyToXMLStructs(accessPolicy)
body, _, err := xmlMarshal(signedIdentifiers)
if err != nil {
return "", err
}
xmlByteArray, err := ioutil.ReadAll(body)
if err != nil {
return "", err
}
accessPolicyXML = string(xmlByteArray)
return accessPolicyXML, nil
}
return "", nil
}

@ -128,6 +128,7 @@ func NewBasicClient(accountName, accountKey string) (Client, error) {
return NewEmulatorClient()
}
return NewClient(accountName, accountKey, DefaultBaseURL, DefaultAPIVersion, defaultUseHTTPS)
}
//NewEmulatorClient contructs a Client intended to only work with Azure
@ -305,7 +306,7 @@ func (c Client) buildCanonicalizedResourceTable(uri string) (string, error) {
cr := "/" + c.getCanonicalizedAccountName()
if len(u.Path) > 0 {
cr += u.Path
cr += u.EscapedPath()
}
return cr, nil
@ -427,12 +428,13 @@ func (c Client) exec(verb, url string, headers map[string]string, body io.Reader
return nil, err
}
requestID := resp.Header.Get("x-ms-request-id")
if len(respBody) == 0 {
// no error in response body
err = fmt.Errorf("storage: service returned without a response body (%s)", resp.Status)
// no error in response body, might happen in HEAD requests
err = serviceErrFromStatusCode(resp.StatusCode, resp.Status, requestID)
} else {
// response contains storage service error object, unmarshal
storageErr, errIn := serviceErrFromXML(respBody, resp.StatusCode, resp.Header.Get("x-ms-request-id"))
storageErr, errIn := serviceErrFromXML(respBody, resp.StatusCode, requestID)
if err != nil { // error unmarshaling the error response
err = errIn
}
@ -481,8 +483,8 @@ func (c Client) execInternalJSON(verb, url string, headers map[string]string, bo
}
if len(respBody) == 0 {
// no error in response body
err = fmt.Errorf("storage: service returned without a response body (%d)", resp.StatusCode)
// no error in response body, might happen in HEAD requests
err = serviceErrFromStatusCode(resp.StatusCode, resp.Status, resp.Header.Get("x-ms-request-id"))
return respToRet, err
}
// try unmarshal as odata.error json
@ -534,6 +536,15 @@ func serviceErrFromXML(body []byte, statusCode int, requestID string) (AzureStor
return storageErr, nil
}
func serviceErrFromStatusCode(code int, status string, requestID string) AzureStorageServiceError {
return AzureStorageServiceError{
StatusCode: code,
Code: status,
RequestID: requestID,
Message: "no response body was available for error status code",
}
}
func (e AzureStorageServiceError) Error() string {
return fmt.Sprintf("storage: service returned error: StatusCode=%d, ErrorCode=%s, ErrorMessage=%s, RequestId=%s, QueryParameterName=%s, QueryParameterValue=%s",
e.StatusCode, e.Code, e.Message, e.RequestID, e.QueryParameterName, e.QueryParameterValue)

@ -2,9 +2,12 @@ package storage
import (
"encoding/xml"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"strings"
)
@ -19,6 +22,17 @@ type Share struct {
Properties ShareProperties `xml:"Properties"`
}
// A Directory is an entry in DirsAndFilesListResponse.
type Directory struct {
Name string `xml:"Name"`
}
// A File is an entry in DirsAndFilesListResponse.
type File struct {
Name string `xml:"Name"`
Properties FileProperties `xml:"Properties"`
}
// ShareProperties contains various properties of a share returned from
// various endpoints like ListShares.
type ShareProperties struct {
@ -27,6 +41,40 @@ type ShareProperties struct {
Quota string `xml:"Quota"`
}
// DirectoryProperties contains various properties of a directory returned
// from various endpoints like GetDirectoryProperties.
type DirectoryProperties struct {
LastModified string `xml:"Last-Modified"`
Etag string `xml:"Etag"`
}
// FileProperties contains various properties of a file returned from
// various endpoints like ListDirsAndFiles.
type FileProperties struct {
CacheControl string `header:"x-ms-cache-control"`
ContentLength uint64 `xml:"Content-Length"`
ContentType string `header:"x-ms-content-type"`
CopyCompletionTime string
CopyID string
CopySource string
CopyProgress string
CopyStatusDesc string
CopyStatus string
Disposition string `header:"x-ms-content-disposition"`
Encoding string `header:"x-ms-content-encoding"`
Etag string
Language string `header:"x-ms-content-language"`
LastModified string
MD5 string `header:"x-ms-content-md5"`
}
// FileStream contains file data returned from a call to GetFile.
type FileStream struct {
Body io.ReadCloser
Properties *FileProperties
Metadata map[string]string
}
// ShareListResponse contains the response fields from
// ListShares call.
//
@ -53,12 +101,80 @@ type ListSharesParameters struct {
Timeout uint
}
// DirsAndFilesListResponse contains the response fields from
// a List Files and Directories call.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166980.aspx
type DirsAndFilesListResponse struct {
XMLName xml.Name `xml:"EnumerationResults"`
Xmlns string `xml:"xmlns,attr"`
Marker string `xml:"Marker"`
MaxResults int64 `xml:"MaxResults"`
Directories []Directory `xml:"Entries>Directory"`
Files []File `xml:"Entries>File"`
NextMarker string `xml:"NextMarker"`
}
// FileRanges contains a list of file range information for a file.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166984.aspx
type FileRanges struct {
ContentLength uint64
LastModified string
ETag string
FileRanges []FileRange `xml:"Range"`
}
// FileRange contains range information for a file.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166984.aspx
type FileRange struct {
Start uint64 `xml:"Start"`
End uint64 `xml:"End"`
}
// ListDirsAndFilesParameters defines the set of customizable parameters to
// make a List Files and Directories call.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166980.aspx
type ListDirsAndFilesParameters struct {
Marker string
MaxResults uint
Timeout uint
}
// ShareHeaders contains various properties of a file and is an entry
// in SetShareProperties
type ShareHeaders struct {
Quota string `header:"x-ms-share-quota"`
}
type compType string
const (
compNone compType = ""
compList compType = "list"
compMetadata compType = "metadata"
compProperties compType = "properties"
compRangeList compType = "rangelist"
)
func (ct compType) String() string {
return string(ct)
}
type resourceType string
const (
resourceDirectory resourceType = "directory"
resourceFile resourceType = ""
resourceShare resourceType = "share"
)
func (rt resourceType) String() string {
return string(rt)
}
func (p ListSharesParameters) getParameters() url.Values {
out := url.Values{}
@ -81,9 +197,97 @@ func (p ListSharesParameters) getParameters() url.Values {
return out
}
// pathForFileShare returns the URL path segment for a File Share resource
func pathForFileShare(name string) string {
return fmt.Sprintf("/%s", name)
func (p ListDirsAndFilesParameters) getParameters() url.Values {
out := url.Values{}
if p.Marker != "" {
out.Set("marker", p.Marker)
}
if p.MaxResults != 0 {
out.Set("maxresults", fmt.Sprintf("%v", p.MaxResults))
}
if p.Timeout != 0 {
out.Set("timeout", fmt.Sprintf("%v", p.Timeout))
}
return out
}
func (fr FileRange) String() string {
return fmt.Sprintf("bytes=%d-%d", fr.Start, fr.End)
}
// ToPathSegment returns the URL path segment for the specified values
func ToPathSegment(parts ...string) string {
join := strings.Join(parts, "/")
if join[0] != '/' {
join = fmt.Sprintf("/%s", join)
}
return join
}
// returns url.Values for the specified types
func getURLInitValues(comp compType, res resourceType) url.Values {
values := url.Values{}
if comp != compNone {
values.Set("comp", comp.String())
}
if res != resourceFile {
values.Set("restype", res.String())
}
return values
}
// ListDirsAndFiles returns a list of files or directories under the specified share or
// directory. It also contains a pagination token and other response details.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166980.aspx
func (f FileServiceClient) ListDirsAndFiles(path string, params ListDirsAndFilesParameters) (DirsAndFilesListResponse, error) {
q := mergeParams(params.getParameters(), getURLInitValues(compList, resourceDirectory))
var out DirsAndFilesListResponse
resp, err := f.listContent(path, q, nil)
if err != nil {
return out, err
}
defer resp.body.Close()
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// ListFileRanges returns the list of valid ranges for a file.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166984.aspx
func (f FileServiceClient) ListFileRanges(path string, listRange *FileRange) (FileRanges, error) {
params := url.Values{"comp": {"rangelist"}}
// add optional range to list
var headers map[string]string
if listRange != nil {
headers = make(map[string]string)
headers["Range"] = listRange.String()
}
var out FileRanges
resp, err := f.listContent(path, params, headers)
if err != nil {
return out, err
}
defer resp.body.Close()
var cl uint64
cl, err = strconv.ParseUint(resp.headers.Get("x-ms-content-length"), 10, 64)
if err != nil {
return out, err
}
out.ContentLength = cl
out.ETag = resp.headers.Get("ETag")
out.LastModified = resp.headers.Get("Last-Modified")
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// ListShares returns the list of shares in a storage account along with
@ -92,40 +296,176 @@ func pathForFileShare(name string) string {
// See https://msdn.microsoft.com/en-us/library/azure/dd179352.aspx
func (f FileServiceClient) ListShares(params ListSharesParameters) (ShareListResponse, error) {
q := mergeParams(params.getParameters(), url.Values{"comp": {"list"}})
uri := f.client.getEndpoint(fileServiceName, "", q)
headers := f.client.getStandardHeaders()
var out ShareListResponse
resp, err := f.client.exec("GET", uri, headers, nil)
resp, err := f.listContent("", q, nil)
if err != nil {
return out, err
}
defer resp.body.Close()
defer resp.body.Close()
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// CreateShare operation creates a new share under the specified account. If the
// share with the same name already exists, the operation fails.
// retrieves directory or share content
func (f FileServiceClient) listContent(path string, params url.Values, extraHeaders map[string]string) (*storageResponse, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
uri := f.client.getEndpoint(fileServiceName, path, params)
headers := mergeHeaders(f.client.getStandardHeaders(), extraHeaders)
resp, err := f.client.exec(http.MethodGet, uri, headers, nil)
if err != nil {
return nil, err
}
if err = checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
resp.body.Close()
return nil, err
}
return resp, nil
}
// CreateDirectory operation creates a new directory with optional metadata in the
// specified share. If a directory with the same name already exists, the operation fails.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn167008.aspx
func (f FileServiceClient) CreateShare(name string) error {
resp, err := f.createShare(name)
// See https://msdn.microsoft.com/en-us/library/azure/dn166993.aspx
func (f FileServiceClient) CreateDirectory(path string, metadata map[string]string) error {
return f.createResource(path, resourceDirectory, mergeMDIntoExtraHeaders(metadata, nil))
}
// CreateFile operation creates a new file with optional metadata or replaces an existing one.
// Note that this only initializes the file, call PutRange to add content.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn194271.aspx
func (f FileServiceClient) CreateFile(path string, maxSize uint64, metadata map[string]string) error {
extraHeaders := map[string]string{
"x-ms-content-length": strconv.FormatUint(maxSize, 10),
"x-ms-type": "file",
}
return f.createResource(path, resourceFile, mergeMDIntoExtraHeaders(metadata, extraHeaders))
}
// ClearRange releases the specified range of space in storage.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn194276.aspx
func (f FileServiceClient) ClearRange(path string, fileRange FileRange) error {
return f.modifyRange(path, nil, fileRange)
}
// PutRange writes a range of bytes to a file. Note that the length of bytes must
// match (rangeEnd - rangeStart) + 1 with a maximum size of 4MB.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn194276.aspx
func (f FileServiceClient) PutRange(path string, bytes io.Reader, fileRange FileRange) error {
return f.modifyRange(path, bytes, fileRange)
}
// modifies a range of bytes in the specified file
func (f FileServiceClient) modifyRange(path string, bytes io.Reader, fileRange FileRange) error {
if err := f.checkForStorageEmulator(); err != nil {
return err
}
if fileRange.End < fileRange.Start {
return errors.New("the value for rangeEnd must be greater than or equal to rangeStart")
}
if bytes != nil && fileRange.End-fileRange.Start > 4194304 {
return errors.New("range cannot exceed 4MB in size")
}
uri := f.client.getEndpoint(fileServiceName, path, url.Values{"comp": {"range"}})
// default to clear
write := "clear"
cl := uint64(0)
// if bytes is not nil then this is an update operation
if bytes != nil {
write = "update"
cl = (fileRange.End - fileRange.Start) + 1
}
extraHeaders := map[string]string{
"Content-Length": strconv.FormatUint(cl, 10),
"Range": fileRange.String(),
"x-ms-write": write,
}
headers := mergeHeaders(f.client.getStandardHeaders(), extraHeaders)
resp, err := f.client.exec(http.MethodPut, uri, headers, bytes)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// GetFile operation reads or downloads a file from the system, including its
// metadata and properties.
//
// See https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/get-file
func (f FileServiceClient) GetFile(path string, fileRange *FileRange) (*FileStream, error) {
var extraHeaders map[string]string
if fileRange != nil {
extraHeaders = map[string]string{
"Range": fileRange.String(),
}
}
resp, err := f.getResourceNoClose(path, compNone, resourceFile, http.MethodGet, extraHeaders)
if err != nil {
return nil, err
}
if err = checkRespCode(resp.statusCode, []int{http.StatusOK, http.StatusPartialContent}); err != nil {
resp.body.Close()
return nil, err
}
props, err := getFileProps(resp.headers)
md := getFileMDFromHeaders(resp.headers)
return &FileStream{Body: resp.body, Properties: props, Metadata: md}, nil
}
// CreateShare operation creates a new share with optional metadata under the specified account.
// If the share with the same name already exists, the operation fails.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn167008.aspx
func (f FileServiceClient) CreateShare(name string, metadata map[string]string) error {
return f.createResource(ToPathSegment(name), resourceShare, mergeMDIntoExtraHeaders(metadata, nil))
}
// DirectoryExists returns true if the specified directory exists on the specified share.
func (f FileServiceClient) DirectoryExists(path string) (bool, error) {
return f.resourceExists(path, resourceDirectory)
}
// FileExists returns true if the specified file exists.
func (f FileServiceClient) FileExists(path string) (bool, error) {
return f.resourceExists(path, resourceFile)
}
// ShareExists returns true if a share with given name exists
// on the storage account, otherwise returns false.
func (f FileServiceClient) ShareExists(name string) (bool, error) {
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{"restype": {"share"}})
return f.resourceExists(ToPathSegment(name), resourceShare)
}
// returns true if the specified directory or share exists
func (f FileServiceClient) resourceExists(path string, res resourceType) (bool, error) {
if err := f.checkForStorageEmulator(); err != nil {
return false, err
}
uri := f.client.getEndpoint(fileServiceName, path, getURLInitValues(compNone, res))
headers := f.client.getStandardHeaders()
resp, err := f.client.exec("HEAD", uri, headers, nil)
resp, err := f.client.exec(http.MethodHead, uri, headers, nil)
if resp != nil {
defer resp.body.Close()
if resp.statusCode == http.StatusOK || resp.statusCode == http.StatusNotFound {
@ -135,21 +475,27 @@ func (f FileServiceClient) ShareExists(name string) (bool, error) {
return false, err
}
// GetShareURL gets the canonical URL to the share with the specified name in the
// specified container. This method does not create a publicly accessible URL if
// the file is private and this method does not check if the file
// exists.
func (f FileServiceClient) GetShareURL(name string) string {
return f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{})
// GetDirectoryURL gets the canonical URL to the directory with the specified name
// in the specified share. This method does not create a publicly accessible URL if
// the file is private and this method does not check if the directory exists.
func (f FileServiceClient) GetDirectoryURL(path string) string {
return f.client.getEndpoint(fileServiceName, path, url.Values{})
}
// CreateShareIfNotExists creates a new share under the specified account if
// it does not exist. Returns true if container is newly created or false if
// container already exists.
// GetShareURL gets the canonical URL to the share with the specified name in the
// specified container. This method does not create a publicly accessible URL if
// the file is private and this method does not check if the share exists.
func (f FileServiceClient) GetShareURL(name string) string {
return f.client.getEndpoint(fileServiceName, ToPathSegment(name), url.Values{})
}
// CreateDirectoryIfNotExists creates a new directory on the specified share
// if it does not exist. Returns true if directory is newly created or false
// if the directory already exists.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn167008.aspx
func (f FileServiceClient) CreateShareIfNotExists(name string) (bool, error) {
resp, err := f.createShare(name)
// See https://msdn.microsoft.com/en-us/library/azure/dn166993.aspx
func (f FileServiceClient) CreateDirectoryIfNotExists(path string) (bool, error) {
resp, err := f.createResourceNoClose(path, resourceDirectory, nil)
if resp != nil {
defer resp.body.Close()
if resp.statusCode == http.StatusCreated || resp.statusCode == http.StatusConflict {
@ -159,37 +505,149 @@ func (f FileServiceClient) CreateShareIfNotExists(name string) (bool, error) {
return false, err
}
// CreateShare creates a Azure File Share and returns its response
func (f FileServiceClient) createShare(name string) (*storageResponse, error) {
// CreateShareIfNotExists creates a new share under the specified account if
// it does not exist. Returns true if container is newly created or false if
// container already exists.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn167008.aspx
func (f FileServiceClient) CreateShareIfNotExists(name string) (bool, error) {
resp, err := f.createResourceNoClose(ToPathSegment(name), resourceShare, nil)
if resp != nil {
defer resp.body.Close()
if resp.statusCode == http.StatusCreated || resp.statusCode == http.StatusConflict {
return resp.statusCode == http.StatusCreated, nil
}
}
return false, err
}
// creates a resource depending on the specified resource type
func (f FileServiceClient) createResource(path string, res resourceType, extraHeaders map[string]string) error {
resp, err := f.createResourceNoClose(path, res, extraHeaders)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// creates a resource depending on the specified resource type, doesn't close the response body
func (f FileServiceClient) createResourceNoClose(path string, res resourceType, extraHeaders map[string]string) (*storageResponse, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{"restype": {"share"}})
headers := f.client.getStandardHeaders()
return f.client.exec("PUT", uri, headers, nil)
values := getURLInitValues(compNone, res)
uri := f.client.getEndpoint(fileServiceName, path, values)
headers := mergeHeaders(f.client.getStandardHeaders(), extraHeaders)
return f.client.exec(http.MethodPut, uri, headers, nil)
}
// GetDirectoryProperties provides various information about the specified directory.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn194272.aspx
func (f FileServiceClient) GetDirectoryProperties(path string) (*DirectoryProperties, error) {
headers, err := f.getResourceHeaders(path, compNone, resourceDirectory, http.MethodHead)
if err != nil {
return nil, err
}
return &DirectoryProperties{
LastModified: headers.Get("Last-Modified"),
Etag: headers.Get("Etag"),
}, nil
}
// GetFileProperties provides various information about the specified file.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166971.aspx
func (f FileServiceClient) GetFileProperties(path string) (*FileProperties, error) {
headers, err := f.getResourceHeaders(path, compNone, resourceFile, http.MethodHead)
if err != nil {
return nil, err
}
return getFileProps(headers)
}
// returns file properties from the specified HTTP header
func getFileProps(header http.Header) (*FileProperties, error) {
size, err := strconv.ParseUint(header.Get("Content-Length"), 10, 64)
if err != nil {
return nil, err
}
return &FileProperties{
CacheControl: header.Get("Cache-Control"),
ContentLength: size,
ContentType: header.Get("Content-Type"),
CopyCompletionTime: header.Get("x-ms-copy-completion-time"),
CopyID: header.Get("x-ms-copy-id"),
CopyProgress: header.Get("x-ms-copy-progress"),
CopySource: header.Get("x-ms-copy-source"),
CopyStatus: header.Get("x-ms-copy-status"),
CopyStatusDesc: header.Get("x-ms-copy-status-description"),
Disposition: header.Get("Content-Disposition"),
Encoding: header.Get("Content-Encoding"),
Etag: header.Get("ETag"),
Language: header.Get("Content-Language"),
LastModified: header.Get("Last-Modified"),
MD5: header.Get("Content-MD5"),
}, nil
}
// GetShareProperties provides various information about the specified
// file. See https://msdn.microsoft.com/en-us/library/azure/dn689099.aspx
func (f FileServiceClient) GetShareProperties(name string) (*ShareProperties, error) {
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{"restype": {"share"}})
headers, err := f.getResourceHeaders(ToPathSegment(name), compNone, resourceShare, http.MethodHead)
if err != nil {
return nil, err
}
return &ShareProperties{
LastModified: headers.Get("Last-Modified"),
Etag: headers.Get("Etag"),
Quota: headers.Get("x-ms-share-quota"),
}, nil
}
headers := f.client.getStandardHeaders()
resp, err := f.client.exec("HEAD", uri, headers, nil)
// returns HTTP header data for the specified directory or share
func (f FileServiceClient) getResourceHeaders(path string, comp compType, res resourceType, verb string) (http.Header, error) {
resp, err := f.getResourceNoClose(path, comp, res, verb, nil)
if err != nil {
return nil, err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
if err = checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
return nil, err
}
return &ShareProperties{
LastModified: resp.headers.Get("Last-Modified"),
Etag: resp.headers.Get("Etag"),
Quota: resp.headers.Get("x-ms-share-quota"),
}, nil
return resp.headers, nil
}
// gets the specified resource, doesn't close the response body
func (f FileServiceClient) getResourceNoClose(path string, comp compType, res resourceType, verb string, extraHeaders map[string]string) (*storageResponse, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
params := getURLInitValues(comp, res)
uri := f.client.getEndpoint(fileServiceName, path, params)
headers := mergeHeaders(f.client.getStandardHeaders(), extraHeaders)
return f.client.exec(verb, uri, headers, nil)
}
// SetFileProperties operation sets system properties on the specified file.
//
// Some keys may be converted to Camel-Case before sending. All keys
// are returned in lower case by SetFileProperties. HTTP header names
// are case-insensitive so case munging should not matter to other
// applications either.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166975.aspx
func (f FileServiceClient) SetFileProperties(path string, props FileProperties) error {
return f.setResourceHeaders(path, compProperties, resourceFile, headersFromStruct(props))
}
// SetShareProperties replaces the ShareHeaders for the specified file.
@ -201,26 +659,21 @@ func (f FileServiceClient) GetShareProperties(name string) (*ShareProperties, er
//
// See https://msdn.microsoft.com/en-us/library/azure/mt427368.aspx
func (f FileServiceClient) SetShareProperties(name string, shareHeaders ShareHeaders) error {
params := url.Values{}
params.Set("restype", "share")
params.Set("comp", "properties")
return f.setResourceHeaders(ToPathSegment(name), compProperties, resourceShare, headersFromStruct(shareHeaders))
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), params)
headers := f.client.getStandardHeaders()
// DeleteDirectory operation removes the specified empty directory.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn166969.aspx
func (f FileServiceClient) DeleteDirectory(path string) error {
return f.deleteResource(path, resourceDirectory)
}
extraHeaders := headersFromStruct(shareHeaders)
for k, v := range extraHeaders {
headers[k] = v
}
resp, err := f.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusOK})
// DeleteFile operation immediately removes the file from the storage account.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689085.aspx
func (f FileServiceClient) DeleteFile(path string) error {
return f.deleteResource(path, resourceFile)
}
// DeleteShare operation marks the specified share for deletion. The share
@ -229,12 +682,7 @@ func (f FileServiceClient) SetShareProperties(name string, shareHeaders ShareHea
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689090.aspx
func (f FileServiceClient) DeleteShare(name string) error {
resp, err := f.deleteShare(name)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusAccepted})
return f.deleteResource(ToPathSegment(name), resourceShare)
}
// DeleteShareIfExists operation marks the specified share for deletion if it
@ -244,7 +692,7 @@ func (f FileServiceClient) DeleteShare(name string) error {
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689090.aspx
func (f FileServiceClient) DeleteShareIfExists(name string) (bool, error) {
resp, err := f.deleteShare(name)
resp, err := f.deleteResourceNoClose(ToPathSegment(name), resourceShare)
if resp != nil {
defer resp.body.Close()
if resp.statusCode == http.StatusAccepted || resp.statusCode == http.StatusNotFound {
@ -254,14 +702,49 @@ func (f FileServiceClient) DeleteShareIfExists(name string) (bool, error) {
return false, err
}
// deleteShare makes the call to Delete Share operation endpoint and returns
// the response
func (f FileServiceClient) deleteShare(name string) (*storageResponse, error) {
// deletes the resource and returns the response
func (f FileServiceClient) deleteResource(path string, res resourceType) error {
resp, err := f.deleteResourceNoClose(path, res)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusAccepted})
}
// deletes the resource and returns the response, doesn't close the response body
func (f FileServiceClient) deleteResourceNoClose(path string, res resourceType) (*storageResponse, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{"restype": {"share"}})
return f.client.exec("DELETE", uri, f.client.getStandardHeaders(), nil)
values := getURLInitValues(compNone, res)
uri := f.client.getEndpoint(fileServiceName, path, values)
return f.client.exec(http.MethodDelete, uri, f.client.getStandardHeaders(), nil)
}
// SetDirectoryMetadata replaces the metadata for the specified directory.
//
// Some keys may be converted to Camel-Case before sending. All keys
// are returned in lower case by GetDirectoryMetadata. HTTP header names
// are case-insensitive so case munging should not matter to other
// applications either.
//
// See https://msdn.microsoft.com/en-us/library/azure/mt427370.aspx
func (f FileServiceClient) SetDirectoryMetadata(path string, metadata map[string]string) error {
return f.setResourceHeaders(path, compMetadata, resourceDirectory, mergeMDIntoExtraHeaders(metadata, nil))
}
// SetFileMetadata replaces the metadata for the specified file.
//
// Some keys may be converted to Camel-Case before sending. All keys
// are returned in lower case by GetFileMetadata. HTTP header names
// are case-insensitive so case munging should not matter to other
// applications either.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689097.aspx
func (f FileServiceClient) SetFileMetadata(path string, metadata map[string]string) error {
return f.setResourceHeaders(path, compMetadata, resourceFile, mergeMDIntoExtraHeaders(metadata, nil))
}
// SetShareMetadata replaces the metadata for the specified Share.
@ -272,22 +755,43 @@ func (f FileServiceClient) deleteShare(name string) (*storageResponse, error) {
// applications either.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179414.aspx
func (f FileServiceClient) SetShareMetadata(name string, metadata map[string]string, extraHeaders map[string]string) error {
params := url.Values{}
params.Set("restype", "share")
params.Set("comp", "metadata")
func (f FileServiceClient) SetShareMetadata(name string, metadata map[string]string) error {
return f.setResourceHeaders(ToPathSegment(name), compMetadata, resourceShare, mergeMDIntoExtraHeaders(metadata, nil))
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), params)
headers := f.client.getStandardHeaders()
for k, v := range metadata {
headers[userDefinedMetadataHeaderPrefix+k] = v
// merges metadata into extraHeaders and returns extraHeaders
func mergeMDIntoExtraHeaders(metadata, extraHeaders map[string]string) map[string]string {
if metadata == nil && extraHeaders == nil {
return nil
}
if extraHeaders == nil {
extraHeaders = make(map[string]string)
}
for k, v := range metadata {
extraHeaders[userDefinedMetadataHeaderPrefix+k] = v
}
return extraHeaders
}
// merges extraHeaders into headers and returns headers
func mergeHeaders(headers, extraHeaders map[string]string) map[string]string {
for k, v := range extraHeaders {
headers[k] = v
}
return headers
}
resp, err := f.client.exec("PUT", uri, headers, nil)
// sets extra header data for the specified resource
func (f FileServiceClient) setResourceHeaders(path string, comp compType, res resourceType, extraHeaders map[string]string) error {
if err := f.checkForStorageEmulator(); err != nil {
return err
}
params := getURLInitValues(comp, res)
uri := f.client.getEndpoint(fileServiceName, path, params)
headers := mergeHeaders(f.client.getStandardHeaders(), extraHeaders)
resp, err := f.client.exec(http.MethodPut, uri, headers, nil)
if err != nil {
return err
}
@ -296,6 +800,26 @@ func (f FileServiceClient) SetShareMetadata(name string, metadata map[string]str
return checkRespCode(resp.statusCode, []int{http.StatusOK})
}
// GetDirectoryMetadata returns all user-defined metadata for the specified directory.
//
// All metadata keys will be returned in lower case. (HTTP header
// names are case-insensitive.)
//
// See https://msdn.microsoft.com/en-us/library/azure/mt427371.aspx
func (f FileServiceClient) GetDirectoryMetadata(path string) (map[string]string, error) {
return f.getMetadata(path, resourceDirectory)
}
// GetFileMetadata returns all user-defined metadata for the specified file.
//
// All metadata keys will be returned in lower case. (HTTP header
// names are case-insensitive.)
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689098.aspx
func (f FileServiceClient) GetFileMetadata(path string) (map[string]string, error) {
return f.getMetadata(path, resourceFile)
}
// GetShareMetadata returns all user-defined metadata for the specified share.
//
// All metadata keys will be returned in lower case. (HTTP header
@ -303,25 +827,27 @@ func (f FileServiceClient) SetShareMetadata(name string, metadata map[string]str
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179414.aspx
func (f FileServiceClient) GetShareMetadata(name string) (map[string]string, error) {
params := url.Values{}
params.Set("restype", "share")
params.Set("comp", "metadata")
return f.getMetadata(ToPathSegment(name), resourceShare)
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), params)
headers := f.client.getStandardHeaders()
// gets metadata for the specified resource
func (f FileServiceClient) getMetadata(path string, res resourceType) (map[string]string, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
resp, err := f.client.exec("GET", uri, headers, nil)
headers, err := f.getResourceHeaders(path, compMetadata, res, http.MethodGet)
if err != nil {
return nil, err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
return nil, err
}
return getFileMDFromHeaders(headers), nil
}
// returns a map of custom metadata values from the specified HTTP header
func getFileMDFromHeaders(header http.Header) map[string]string {
metadata := make(map[string]string)
for k, v := range resp.headers {
for k, v := range header {
// Can't trust CanonicalHeaderKey() to munge case
// reliably. "_" is allowed in identifiers:
// https://msdn.microsoft.com/en-us/library/azure/dd179414.aspx
@ -339,7 +865,7 @@ func (f FileServiceClient) GetShareMetadata(name string) (map[string]string, err
k = k[len(userDefinedMetadataHeaderPrefix):]
metadata[k] = v[len(v)-1]
}
return metadata, nil
return metadata
}
//checkForStorageEmulator determines if the client is setup for use with

@ -82,6 +82,24 @@ func (p PeekMessagesParameters) getParameters() url.Values {
return out
}
// UpdateMessageParameters is the set of options can be specified for Update Messsage
// operation. A zero struct does not use any preferences for the request.
type UpdateMessageParameters struct {
PopReceipt string
VisibilityTimeout int
}
func (p UpdateMessageParameters) getParameters() url.Values {
out := url.Values{}
if p.PopReceipt != "" {
out.Set("popreceipt", p.PopReceipt)
}
if p.VisibilityTimeout != 0 {
out.Set("visibilitytimeout", strconv.Itoa(p.VisibilityTimeout))
}
return out
}
// GetMessagesResponse represents a response returned from Get Messages
// operation.
type GetMessagesResponse struct {
@ -304,3 +322,23 @@ func (c QueueServiceClient) DeleteMessage(queue, messageID, popReceipt string) e
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// UpdateMessage operation deletes the specified message.
//
// See https://msdn.microsoft.com/en-us/library/azure/hh452234.aspx
func (c QueueServiceClient) UpdateMessage(queue string, messageID string, message string, params UpdateMessageParameters) error {
uri := c.client.getEndpoint(queueServiceName, pathForMessage(queue, messageID), params.getParameters())
req := putMessageRequest{MessageText: message}
body, nn, err := xmlMarshal(req)
if err != nil {
return err
}
headers := c.client.getStandardHeaders()
headers["Content-Length"] = fmt.Sprintf("%d", nn)
resp, err := c.client.exec("PUT", uri, headers, body)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}

@ -10,6 +10,8 @@ import (
"reflect"
)
// Annotating as secure for gas scanning
/* #nosec */
const (
partitionKeyNode = "PartitionKey"
rowKeyNode = "RowKey"

@ -77,7 +77,7 @@ func headersFromStruct(v interface{}) map[string]string {
for i := 0; i < value.NumField(); i++ {
key := value.Type().Field(i).Tag.Get("header")
val := value.Field(i).String()
if val != "" {
if key != "" && val != "" {
headers[key] = val
}
}