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vendor/github.com/Azure/azure-sdk-for-go/LICENSE deleted 100644 → 0
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Apache License
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http://www.apache.org/licenses/
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vendor/github.com/Azure/azure-sdk-for-go/storage/client.go deleted 100644 → 0
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// Package storage provides clients for Microsoft Azure Storage Services.
package storage
import (
"bytes"
"encoding/base64"
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"regexp"
"sort"
"strconv"
"strings"
)
const (
// DefaultBaseURL is the domain name used for storage requests when a
// default client is created.
DefaultBaseURL = "core.windows.net"
// DefaultAPIVersion is the Azure Storage API version string used when a
// basic client is created.
DefaultAPIVersion = "2015-02-21"
defaultUseHTTPS = true
// StorageEmulatorAccountName is the fixed storage account used by Azure Storage Emulator
StorageEmulatorAccountName = "devstoreaccount1"
// StorageEmulatorAccountKey is the the fixed storage account used by Azure Storage Emulator
StorageEmulatorAccountKey = "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
blobServiceName = "blob"
tableServiceName = "table"
queueServiceName = "queue"
fileServiceName = "file"
storageEmulatorBlob = "127.0.0.1:10000"
storageEmulatorTable = "127.0.0.1:10002"
storageEmulatorQueue = "127.0.0.1:10001"
)
// Client is the object that needs to be constructed to perform
// operations on the storage account.
type Client struct {
// HTTPClient is the http.Client used to initiate API
// requests. If it is nil, http.DefaultClient is used.
HTTPClient *http.Client
accountName string
accountKey []byte
useHTTPS bool
baseURL string
apiVersion string
}
type storageResponse struct {
statusCode int
headers http.Header
body io.ReadCloser
}
type odataResponse struct {
storageResponse
odata odataErrorMessage
}
// AzureStorageServiceError contains fields of the error response from
// Azure Storage Service REST API. See https://msdn.microsoft.com/en-us/library/azure/dd179382.aspx
// Some fields might be specific to certain calls.
type AzureStorageServiceError struct {
Code string `xml:"Code"`
Message string `xml:"Message"`
AuthenticationErrorDetail string `xml:"AuthenticationErrorDetail"`
QueryParameterName string `xml:"QueryParameterName"`
QueryParameterValue string `xml:"QueryParameterValue"`
Reason string `xml:"Reason"`
StatusCode int
RequestID string
}
type odataErrorMessageMessage struct {
Lang string `json:"lang"`
Value string `json:"value"`
}
type odataErrorMessageInternal struct {
Code string `json:"code"`
Message odataErrorMessageMessage `json:"message"`
}
type odataErrorMessage struct {
Err odataErrorMessageInternal `json:"odata.error"`
}
// UnexpectedStatusCodeError is returned when a storage service responds with neither an error
// nor with an HTTP status code indicating success.
type UnexpectedStatusCodeError struct {
allowed []int
got int
}
func (e UnexpectedStatusCodeError) Error() string {
s := func(i int) string { return fmt.Sprintf("%d %s", i, http.StatusText(i)) }
got := s(e.got)
expected := []string{}
for _, v := range e.allowed {
expected = append(expected, s(v))
}
return fmt.Sprintf("storage: status code from service response is %s; was expecting %s", got, strings.Join(expected, " or "))
}
// Got is the actual status code returned by Azure.
func (e UnexpectedStatusCodeError) Got() int {
return e.got
}
// NewBasicClient constructs a Client with given storage service name and
// key.
func NewBasicClient(accountName, accountKey string) (Client, error) {
if accountName == StorageEmulatorAccountName {
return NewEmulatorClient()
}
return NewClient(accountName, accountKey, DefaultBaseURL, DefaultAPIVersion, defaultUseHTTPS)
}
//NewEmulatorClient contructs a Client intended to only work with Azure
//Storage Emulator
func NewEmulatorClient() (Client, error) {
return NewClient(StorageEmulatorAccountName, StorageEmulatorAccountKey, DefaultBaseURL, DefaultAPIVersion, false)
}
// NewClient constructs a Client. This should be used if the caller wants
// to specify whether to use HTTPS, a specific REST API version or a custom
// storage endpoint than Azure Public Cloud.
func NewClient(accountName, accountKey, blobServiceBaseURL, apiVersion string, useHTTPS bool) (Client, error) {
var c Client
if accountName == "" {
return c, fmt.Errorf("azure: account name required")
} else if accountKey == "" {
return c, fmt.Errorf("azure: account key required")
} else if blobServiceBaseURL == "" {
return c, fmt.Errorf("azure: base storage service url required")
}
key, err := base64.StdEncoding.DecodeString(accountKey)
if err != nil {
return c, fmt.Errorf("azure: malformed storage account key: %v", err)
}
return Client{
accountName: accountName,
accountKey: key,
useHTTPS: useHTTPS,
baseURL: blobServiceBaseURL,
apiVersion: apiVersion,
}, nil
}
func (c Client) getBaseURL(service string) string {
scheme := "http"
if c.useHTTPS {
scheme = "https"
}
host := ""
if c.accountName == StorageEmulatorAccountName {
switch service {
case blobServiceName:
host = storageEmulatorBlob
case tableServiceName:
host = storageEmulatorTable
case queueServiceName:
host = storageEmulatorQueue
}
} else {
host = fmt.Sprintf("%s.%s.%s", c.accountName, service, c.baseURL)
}
u := &url.URL{
Scheme: scheme,
Host: host}
return u.String()
}
func (c Client) getEndpoint(service, path string, params url.Values) string {
u, err := url.Parse(c.getBaseURL(service))
if err != nil {
// really should not be happening
panic(err)
}
// API doesn't accept path segments not starting with '/'
if !strings.HasPrefix(path, "/") {
path = fmt.Sprintf("/%v", path)
}
if c.accountName == StorageEmulatorAccountName {
path = fmt.Sprintf("/%v%v", StorageEmulatorAccountName, path)
}
u.Path = path
u.RawQuery = params.Encode()
return u.String()
}
// GetBlobService returns a BlobStorageClient which can operate on the blob
// service of the storage account.
func (c Client) GetBlobService() BlobStorageClient {
return BlobStorageClient{c}
}
// GetQueueService returns a QueueServiceClient which can operate on the queue
// service of the storage account.
func (c Client) GetQueueService() QueueServiceClient {
return QueueServiceClient{c}
}
// GetTableService returns a TableServiceClient which can operate on the table
// service of the storage account.
func (c Client) GetTableService() TableServiceClient {
return TableServiceClient{c}
}
// GetFileService returns a FileServiceClient which can operate on the file
// service of the storage account.
func (c Client) GetFileService() FileServiceClient {
return FileServiceClient{c}
}
func (c Client) createAuthorizationHeader(canonicalizedString string) string {
signature := c.computeHmac256(canonicalizedString)
return fmt.Sprintf("%s %s:%s", "SharedKey", c.getCanonicalizedAccountName(), signature)
}
func (c Client) getAuthorizationHeader(verb, url string, headers map[string]string) (string, error) {
canonicalizedResource, err := c.buildCanonicalizedResource(url)
if err != nil {
return "", err
}
canonicalizedString := c.buildCanonicalizedString(verb, headers, canonicalizedResource)
return c.createAuthorizationHeader(canonicalizedString), nil
}
func (c Client) getStandardHeaders() map[string]string {
return map[string]string{
"x-ms-version": c.apiVersion,
"x-ms-date": currentTimeRfc1123Formatted(),
}
}
func (c Client) getCanonicalizedAccountName() string {
// since we may be trying to access a secondary storage account, we need to
// remove the -secondary part of the storage name
return strings.TrimSuffix(c.accountName, "-secondary")
}
func (c Client) buildCanonicalizedHeader(headers map[string]string) string {
cm := make(map[string]string)
for k, v := range headers {
headerName := strings.TrimSpace(strings.ToLower(k))
match, _ := regexp.MatchString("x-ms-", headerName)
if match {
cm[headerName] = v
}
}
if len(cm) == 0 {
return ""
}
keys := make([]string, 0, len(cm))
for key := range cm {
keys = append(keys, key)
}
sort.Strings(keys)
ch := ""
for i, key := range keys {
if i == len(keys)-1 {
ch += fmt.Sprintf("%s:%s", key, cm[key])
} else {
ch += fmt.Sprintf("%s:%s\n", key, cm[key])
}
}
return ch
}
func (c Client) buildCanonicalizedResourceTable(uri string) (string, error) {
errMsg := "buildCanonicalizedResourceTable error: %s"
u, err := url.Parse(uri)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
cr := "/" + c.getCanonicalizedAccountName()
if len(u.Path) > 0 {
cr += u.EscapedPath()
}
return cr, nil
}
func (c Client) buildCanonicalizedResource(uri string) (string, error) {
errMsg := "buildCanonicalizedResource error: %s"
u, err := url.Parse(uri)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
cr := "/" + c.getCanonicalizedAccountName()
if len(u.Path) > 0 {
// Any portion of the CanonicalizedResource string that is derived from
// the resource's URI should be encoded exactly as it is in the URI.
// -- https://msdn.microsoft.com/en-gb/library/azure/dd179428.aspx
cr += u.EscapedPath()
}
params, err := url.ParseQuery(u.RawQuery)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
if len(params) > 0 {
cr += "\n"
keys := make([]string, 0, len(params))
for key := range params {
keys = append(keys, key)
}
sort.Strings(keys)
for i, key := range keys {
if len(params[key]) > 1 {
sort.Strings(params[key])
}
if i == len(keys)-1 {
cr += fmt.Sprintf("%s:%s", key, strings.Join(params[key], ","))
} else {
cr += fmt.Sprintf("%s:%s\n", key, strings.Join(params[key], ","))
}
}
}
return cr, nil
}
func (c Client) buildCanonicalizedString(verb string, headers map[string]string, canonicalizedResource string) string {
contentLength := headers["Content-Length"]
if contentLength == "0" {
contentLength = ""
}
canonicalizedString := 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\n%s",
verb,
headers["Content-Encoding"],
headers["Content-Language"],
contentLength,
headers["Content-MD5"],
headers["Content-Type"],
headers["Date"],
headers["If-Modified-Since"],
headers["If-Match"],
headers["If-None-Match"],
headers["If-Unmodified-Since"],
headers["Range"],
c.buildCanonicalizedHeader(headers),
canonicalizedResource)
return canonicalizedString
}
func (c Client) exec(verb, url string, headers map[string]string, body io.Reader) (*storageResponse, error) {
authHeader, err := c.getAuthorizationHeader(verb, url, headers)
if err != nil {
return nil, err
}
headers["Authorization"] = authHeader
if err != nil {
return nil, err
}
req, err := http.NewRequest(verb, url, body)
if err != nil {
return nil, errors.New("azure/storage: error creating request: " + err.Error())
}
if clstr, ok := headers["Content-Length"]; ok {
// content length header is being signed, but completely ignored by golang.
// instead we have to use the ContentLength property on the request struct
// (see https://golang.org/src/net/http/request.go?s=18140:18370#L536 and
// https://golang.org/src/net/http/transfer.go?s=1739:2467#L49)
req.ContentLength, err = strconv.ParseInt(clstr, 10, 64)
if err != nil {
return nil, err
}
}
for k, v := range headers {
req.Header.Add(k, v)
}
httpClient := c.HTTPClient
if httpClient == nil {
httpClient = http.DefaultClient
}
resp, err := httpClient.Do(req)
if err != nil {
return nil, err
}
statusCode := resp.StatusCode
if statusCode >= 400 && statusCode <= 505 {
var respBody []byte
respBody, err = readResponseBody(resp)
if err != nil {
return nil, err
}
requestID := resp.Header.Get("x-ms-request-id")
if len(respBody) == 0 {
// 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, requestID)
if err != nil { // error unmarshaling the error response
err = errIn
}
err = storageErr
}
return &storageResponse{
statusCode: resp.StatusCode,
headers: resp.Header,
body: ioutil.NopCloser(bytes.NewReader(respBody)), /* restore the body */
}, err
}
return &storageResponse{
statusCode: resp.StatusCode,
headers: resp.Header,
body: resp.Body}, nil
}
func (c Client) execInternalJSON(verb, url string, headers map[string]string, body io.Reader) (*odataResponse, error) {
req, err := http.NewRequest(verb, url, body)
for k, v := range headers {
req.Header.Add(k, v)
}
httpClient := c.HTTPClient
if httpClient == nil {
httpClient = http.DefaultClient
}
resp, err := httpClient.Do(req)
if err != nil {
return nil, err
}
respToRet := &odataResponse{}
respToRet.body = resp.Body
respToRet.statusCode = resp.StatusCode
respToRet.headers = resp.Header
statusCode := resp.StatusCode
if statusCode >= 400 && statusCode <= 505 {
var respBody []byte
respBody, err = readResponseBody(resp)
if err != nil {
return nil, err
}
if len(respBody) == 0 {
// 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
err = json.Unmarshal(respBody, &respToRet.odata)
return respToRet, err
}
return respToRet, nil
}
func (c Client) createSharedKeyLite(url string, headers map[string]string) (string, error) {
can, err := c.buildCanonicalizedResourceTable(url)
if err != nil {
return "", err
}
strToSign := headers["x-ms-date"] + "\n" + can
hmac := c.computeHmac256(strToSign)
return fmt.Sprintf("SharedKeyLite %s:%s", c.accountName, hmac), nil
}
func (c Client) execTable(verb, url string, headers map[string]string, body io.Reader) (*odataResponse, error) {
var err error
headers["Authorization"], err = c.createSharedKeyLite(url, headers)
if err != nil {
return nil, err
}
return c.execInternalJSON(verb, url, headers, body)
}
func readResponseBody(resp *http.Response) ([]byte, error) {
defer resp.Body.Close()
out, err := ioutil.ReadAll(resp.Body)
if err == io.EOF {
err = nil
}
return out, err
}
func serviceErrFromXML(body []byte, statusCode int, requestID string) (AzureStorageServiceError, error) {
var storageErr AzureStorageServiceError
if err := xml.Unmarshal(body, &storageErr); err != nil {
return storageErr, err
}
storageErr.StatusCode = statusCode
storageErr.RequestID = requestID
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)
}
// checkRespCode returns UnexpectedStatusError if the given response code is not
// one of the allowed status codes; otherwise nil.
func checkRespCode(respCode int, allowed []int) error {
for _, v := range allowed {
if respCode == v {
return nil
}
}
return UnexpectedStatusCodeError{allowed, respCode}
}
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package storage
import (
"encoding/xml"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
)
const (
// casing is per Golang's http.Header canonicalizing the header names.
approximateMessagesCountHeader = "X-Ms-Approximate-Messages-Count"
userDefinedMetadataHeaderPrefix = "X-Ms-Meta-"
)
// QueueServiceClient contains operations for Microsoft Azure Queue Storage
// Service.
type QueueServiceClient struct {
client Client
}
func pathForQueue(queue string) string { return fmt.Sprintf("/%s", queue) }
func pathForQueueMessages(queue string) string { return fmt.Sprintf("/%s/messages", queue) }
func pathForMessage(queue, name string) string { return fmt.Sprintf("/%s/messages/%s", queue, name) }
type putMessageRequest struct {
XMLName xml.Name `xml:"QueueMessage"`
MessageText string `xml:"MessageText"`
}
// PutMessageParameters is the set of options can be specified for Put Messsage
// operation. A zero struct does not use any preferences for the request.
type PutMessageParameters struct {
VisibilityTimeout int
MessageTTL int
}
func (p PutMessageParameters) getParameters() url.Values {
out := url.Values{}
if p.VisibilityTimeout != 0 {
out.Set("visibilitytimeout", strconv.Itoa(p.VisibilityTimeout))
}
if p.MessageTTL != 0 {
out.Set("messagettl", strconv.Itoa(p.MessageTTL))
}
return out
}
// GetMessagesParameters is the set of options can be specified for Get
// Messsages operation. A zero struct does not use any preferences for the
// request.
type GetMessagesParameters struct {
NumOfMessages int
VisibilityTimeout int
}
func (p GetMessagesParameters) getParameters() url.Values {
out := url.Values{}
if p.NumOfMessages != 0 {
out.Set("numofmessages", strconv.Itoa(p.NumOfMessages))
}
if p.VisibilityTimeout != 0 {
out.Set("visibilitytimeout", strconv.Itoa(p.VisibilityTimeout))
}
return out
}
// PeekMessagesParameters is the set of options can be specified for Peek
// Messsage operation. A zero struct does not use any preferences for the
// request.
type PeekMessagesParameters struct {
NumOfMessages int
}
func (p PeekMessagesParameters) getParameters() url.Values {
out := url.Values{"peekonly": {"true"}} // Required for peek operation
if p.NumOfMessages != 0 {
out.Set("numofmessages", strconv.Itoa(p.NumOfMessages))
}
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 {
XMLName xml.Name `xml:"QueueMessagesList"`
QueueMessagesList []GetMessageResponse `xml:"QueueMessage"`
}
// GetMessageResponse represents a QueueMessage object returned from Get
// Messages operation response.
type GetMessageResponse struct {
MessageID string `xml:"MessageId"`
InsertionTime string `xml:"InsertionTime"`
ExpirationTime string `xml:"ExpirationTime"`
PopReceipt string `xml:"PopReceipt"`
TimeNextVisible string `xml:"TimeNextVisible"`
DequeueCount int `xml:"DequeueCount"`
MessageText string `xml:"MessageText"`
}
// PeekMessagesResponse represents a response returned from Get Messages
// operation.
type PeekMessagesResponse struct {
XMLName xml.Name `xml:"QueueMessagesList"`
QueueMessagesList []PeekMessageResponse `xml:"QueueMessage"`
}
// PeekMessageResponse represents a QueueMessage object returned from Peek
// Messages operation response.
type PeekMessageResponse struct {
MessageID string `xml:"MessageId"`
InsertionTime string `xml:"InsertionTime"`
ExpirationTime string `xml:"ExpirationTime"`
DequeueCount int `xml:"DequeueCount"`
MessageText string `xml:"MessageText"`
}
// QueueMetadataResponse represents user defined metadata and queue
// properties on a specific queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179384.aspx
type QueueMetadataResponse struct {
ApproximateMessageCount int
UserDefinedMetadata map[string]string
}
// SetMetadata operation sets user-defined metadata on the specified queue.
// Metadata is associated with the queue as name-value pairs.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179348.aspx
func (c QueueServiceClient) SetMetadata(name string, metadata map[string]string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{"comp": []string{"metadata"}})
headers := c.client.getStandardHeaders()
for k, v := range metadata {
headers[userDefinedMetadataHeaderPrefix+k] = v
}
resp, err := c.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// GetMetadata operation retrieves user-defined metadata and queue
// properties on the specified queue. Metadata is associated with
// the queue as name-values pairs.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179384.aspx
//
// Because the way Golang's http client (and http.Header in particular)
// canonicalize header names, the returned metadata names would always
// be all lower case.
func (c QueueServiceClient) GetMetadata(name string) (QueueMetadataResponse, error) {
qm := QueueMetadataResponse{}
qm.UserDefinedMetadata = make(map[string]string)
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{"comp": []string{"metadata"}})
headers := c.client.getStandardHeaders()
resp, err := c.client.exec("GET", uri, headers, nil)
if err != nil {
return qm, err
}
defer resp.body.Close()
for k, v := range resp.headers {
if len(v) != 1 {
return qm, fmt.Errorf("Unexpected number of values (%d) in response header '%s'", len(v), k)
}
value := v[0]
if k == approximateMessagesCountHeader {
qm.ApproximateMessageCount, err = strconv.Atoi(value)
if err != nil {
return qm, fmt.Errorf("Unexpected value in response header '%s': '%s' ", k, value)
}
} else if strings.HasPrefix(k, userDefinedMetadataHeaderPrefix) {
name := strings.TrimPrefix(k, userDefinedMetadataHeaderPrefix)
qm.UserDefinedMetadata[strings.ToLower(name)] = value
}
}
return qm, checkRespCode(resp.statusCode, []int{http.StatusOK})
}
// CreateQueue operation creates a queue under the given account.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179342.aspx
func (c QueueServiceClient) CreateQueue(name string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{})
headers := c.client.getStandardHeaders()
resp, err := c.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// DeleteQueue operation permanently deletes the specified queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179436.aspx
func (c QueueServiceClient) DeleteQueue(name string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{})
resp, err := c.client.exec("DELETE", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// QueueExists returns true if a queue with given name exists.
func (c QueueServiceClient) QueueExists(name string) (bool, error) {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{"comp": {"metadata"}})
resp, err := c.client.exec("GET", uri, c.client.getStandardHeaders(), nil)
if resp != nil && (resp.statusCode == http.StatusOK || resp.statusCode == http.StatusNotFound) {
return resp.statusCode == http.StatusOK, nil
}
return false, err
}
// PutMessage operation adds a new message to the back of the message queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179346.aspx
func (c QueueServiceClient) PutMessage(queue string, message string, params PutMessageParameters) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), params.getParameters())
req := putMessageRequest{MessageText: message}
body, nn, err := xmlMarshal(req)
if err != nil {
return err
}
headers := c.client.getStandardHeaders()
headers["Content-Length"] = strconv.Itoa(nn)
resp, err := c.client.exec("POST", uri, headers, body)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// ClearMessages operation deletes all messages from the specified queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179454.aspx
func (c QueueServiceClient) ClearMessages(queue string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), url.Values{})
resp, err := c.client.exec("DELETE", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// GetMessages operation retrieves one or more messages from the front of the
// queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179474.aspx
func (c QueueServiceClient) GetMessages(queue string, params GetMessagesParameters) (GetMessagesResponse, error) {
var r GetMessagesResponse
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), params.getParameters())
resp, err := c.client.exec("GET", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return r, err
}
defer resp.body.Close()
err = xmlUnmarshal(resp.body, &r)
return r, err
}
// PeekMessages retrieves one or more messages from the front of the queue, but
// does not alter the visibility of the message.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179472.aspx
func (c QueueServiceClient) PeekMessages(queue string, params PeekMessagesParameters) (PeekMessagesResponse, error) {
var r PeekMessagesResponse
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), params.getParameters())
resp, err := c.client.exec("GET", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return r, err
}
defer resp.body.Close()
err = xmlUnmarshal(resp.body, &r)
return r, err
}
// DeleteMessage operation deletes the specified message.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179347.aspx
func (c QueueServiceClient) DeleteMessage(queue, messageID, popReceipt string) error {
uri := c.client.getEndpoint(queueServiceName, pathForMessage(queue, messageID), url.Values{
"popreceipt": {popReceipt}})
resp, err := c.client.exec("DELETE", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return err
}
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})
}
vendor/github.com/Azure/azure-sdk-for-go/storage/table.go deleted 100644 → 0
+ 0
− 129
View file @ cac436bb
package storage
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/url"
)
// TableServiceClient contains operations for Microsoft Azure Table Storage
// Service.
type TableServiceClient struct {
client Client
}
// AzureTable is the typedef of the Azure Table name
type AzureTable string
const (
tablesURIPath = "/Tables"
)
type createTableRequest struct {
TableName string `json:"TableName"`
}
func pathForTable(table AzureTable) string { return fmt.Sprintf("%s", table) }
func (c *TableServiceClient) getStandardHeaders() map[string]string {
return map[string]string{
"x-ms-version": "2015-02-21",
"x-ms-date": currentTimeRfc1123Formatted(),
"Accept": "application/json;odata=nometadata",
"Accept-Charset": "UTF-8",
"Content-Type": "application/json",
}
}
// QueryTables returns the tables created in the
// *TableServiceClient storage account.
func (c *TableServiceClient) QueryTables() ([]AzureTable, error) {
uri := c.client.getEndpoint(tableServiceName, tablesURIPath, url.Values{})
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
resp, err := c.client.execTable("GET", uri, headers, nil)
if err != nil {
return nil, err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
return nil, err
}
buf := new(bytes.Buffer)
buf.ReadFrom(resp.body)
var respArray queryTablesResponse
if err := json.Unmarshal(buf.Bytes(), &respArray); err != nil {
return nil, err
}
s := make([]AzureTable, len(respArray.TableName))
for i, elem := range respArray.TableName {
s[i] = AzureTable(elem.TableName)
}
return s, nil
}
// CreateTable creates the table given the specific
// name. This function fails if the name is not compliant
// with the specification or the tables already exists.
func (c *TableServiceClient) CreateTable(table AzureTable) error {
uri := c.client.getEndpoint(tableServiceName, tablesURIPath, url.Values{})
headers := c.getStandardHeaders()
req := createTableRequest{TableName: string(table)}
buf := new(bytes.Buffer)
if err := json.NewEncoder(buf).Encode(req); err != nil {
return err
}
headers["Content-Length"] = fmt.Sprintf("%d", buf.Len())
resp, err := c.client.execTable("POST", uri, headers, buf)
if err != nil {
return err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusCreated}); err != nil {
return err
}
return nil
}
// DeleteTable deletes the table given the specific
// name. This function fails if the table is not present.
// Be advised: DeleteTable deletes all the entries
// that may be present.
func (c *TableServiceClient) DeleteTable(table AzureTable) error {
uri := c.client.getEndpoint(tableServiceName, tablesURIPath, url.Values{})
uri += fmt.Sprintf("('%s')", string(table))
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
resp, err := c.client.execTable("DELETE", 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
}
vendor/github.com/Azure/azure-sdk-for-go/storage/table_entities.go deleted 100644 → 0
+ 0
− 357
View file @ cac436bb
package storage
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"reflect"
)
// Annotating as secure for gas scanning
/* #nosec */
const (
partitionKeyNode = "PartitionKey"
rowKeyNode = "RowKey"
tag = "table"
tagIgnore = "-"
continuationTokenPartitionKeyHeader = "X-Ms-Continuation-Nextpartitionkey"
continuationTokenRowHeader = "X-Ms-Continuation-Nextrowkey"
maxTopParameter = 1000
)
type queryTablesResponse struct {
TableName []struct {
TableName string `json:"TableName"`
} `json:"value"`
}
const (
tableOperationTypeInsert = iota
tableOperationTypeUpdate = iota
tableOperationTypeMerge = iota
tableOperationTypeInsertOrReplace = iota
tableOperationTypeInsertOrMerge = iota
)
type tableOperation int
// TableEntity interface specifies
// the functions needed to support
// marshaling and unmarshaling into
// Azure Tables. The struct must only contain
// simple types because Azure Tables do not
// support hierarchy.
type TableEntity interface {
PartitionKey() string
RowKey() string
SetPartitionKey(string) error
SetRowKey(string) error
}
// ContinuationToken is an opaque (ie not useful to inspect)
// struct that Get... methods can return if there are more
// entries to be returned than the ones already
// returned. Just pass it to the same function to continue
// receiving the remaining entries.
type ContinuationToken struct {
NextPartitionKey string
NextRowKey string
}
type getTableEntriesResponse struct {
Elements []map[string]interface{} `json:"value"`
}
// QueryTableEntities queries the specified table and returns the unmarshaled
// entities of type retType.
// top parameter limits the returned entries up to top. Maximum top
// allowed by Azure API is 1000. In case there are more than top entries to be
// returned the function will return a non nil *ContinuationToken. You can call the
// same function again passing the received ContinuationToken as previousContToken
// parameter in order to get the following entries. The query parameter
// is the odata query. To retrieve all the entries pass the empty string.
// The function returns a pointer to a TableEntity slice, the *ContinuationToken
// if there are more entries to be returned and an error in case something went
// wrong.
//
// Example:
// entities, cToken, err = tSvc.QueryTableEntities("table", cToken, reflect.TypeOf(entity), 20, "")
func (c *TableServiceClient) QueryTableEntities(tableName AzureTable, previousContToken *ContinuationToken, retType reflect.Type, top int, query string) ([]TableEntity, *ContinuationToken, error) {
if top > maxTopParameter {
return nil, nil, fmt.Errorf("top accepts at maximum %d elements. Requested %d instead", maxTopParameter, top)
}
uri := c.client.getEndpoint(tableServiceName, pathForTable(tableName), url.Values{})
uri += fmt.Sprintf("?$top=%d", top)
if query != "" {
uri += fmt.Sprintf("&$filter=%s", url.QueryEscape(query))
}
if previousContToken != nil {
uri += fmt.Sprintf("&NextPartitionKey=%s&NextRowKey=%s", previousContToken.NextPartitionKey, previousContToken.NextRowKey)
}
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
resp, err := c.client.execTable("GET", uri, headers, nil)
if err != nil {
return nil, nil, err
}
contToken := extractContinuationTokenFromHeaders(resp.headers)
if err != nil {
return nil, contToken, err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
return nil, contToken, err
}
retEntries, err := deserializeEntity(retType, resp.body)
if err != nil {
return nil, contToken, err
}
return retEntries, contToken, nil
}
// InsertEntity inserts an entity in the specified table.
// The function fails if there is an entity with the same
// PartitionKey and RowKey in the table.
func (c *TableServiceClient) InsertEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, false, "POST"); err != nil {
return checkRespCode(sc, []int{http.StatusCreated})
}
return err
}
func (c *TableServiceClient) execTable(table AzureTable, entity TableEntity, specifyKeysInURL bool, method string) (int, error) {
uri := c.client.getEndpoint(tableServiceName, pathForTable(table), url.Values{})
if specifyKeysInURL {
uri += fmt.Sprintf("(PartitionKey='%s',RowKey='%s')", url.QueryEscape(entity.PartitionKey()), url.QueryEscape(entity.RowKey()))
}
headers := c.getStandardHeaders()
var buf bytes.Buffer
if err := injectPartitionAndRowKeys(entity, &buf); err != nil {
return 0, err
}
headers["Content-Length"] = fmt.Sprintf("%d", buf.Len())
var err error
var resp *odataResponse
resp, err = c.client.execTable(method, uri, headers, &buf)
if err != nil {
return 0, err
}
defer resp.body.Close()
return resp.statusCode, nil
}
// UpdateEntity updates the contents of an entity with the
// one passed as parameter. The function fails if there is no entity
// with the same PartitionKey and RowKey in the table.
func (c *TableServiceClient) UpdateEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "PUT"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
// MergeEntity merges the contents of an entity with the
// one passed as parameter.
// The function fails if there is no entity
// with the same PartitionKey and RowKey in the table.
func (c *TableServiceClient) MergeEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "MERGE"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
// DeleteEntityWithoutCheck deletes the entity matching by
// PartitionKey and RowKey. There is no check on IfMatch
// parameter so the entity is always deleted.
// The function fails if there is no entity
// with the same PartitionKey and RowKey in the table.
func (c *TableServiceClient) DeleteEntityWithoutCheck(table AzureTable, entity TableEntity) error {
return c.DeleteEntity(table, entity, "*")
}
// DeleteEntity deletes the entity matching by
// PartitionKey, RowKey and ifMatch field.
// The function fails if there is no entity
// with the same PartitionKey and RowKey in the table or
// the ifMatch is different.
func (c *TableServiceClient) DeleteEntity(table AzureTable, entity TableEntity, ifMatch string) error {
uri := c.client.getEndpoint(tableServiceName, pathForTable(table), url.Values{})
uri += fmt.Sprintf("(PartitionKey='%s',RowKey='%s')", url.QueryEscape(entity.PartitionKey()), url.QueryEscape(entity.RowKey()))
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
headers["If-Match"] = ifMatch
resp, err := c.client.execTable("DELETE", 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
}
// InsertOrReplaceEntity inserts an entity in the specified table
// or replaced the existing one.
func (c *TableServiceClient) InsertOrReplaceEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "PUT"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
// InsertOrMergeEntity inserts an entity in the specified table
// or merges the existing one.
func (c *TableServiceClient) InsertOrMergeEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "MERGE"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
func injectPartitionAndRowKeys(entity TableEntity, buf *bytes.Buffer) error {
if err := json.NewEncoder(buf).Encode(entity); err != nil {
return err
}
dec := make(map[string]interface{})
if err := json.NewDecoder(buf).Decode(&dec); err != nil {
return err
}
// Inject PartitionKey and RowKey
dec[partitionKeyNode] = entity.PartitionKey()
dec[rowKeyNode] = entity.RowKey()
// Remove tagged fields
// The tag is defined in the const section
// This is useful to avoid storing the PartitionKey and RowKey twice.
numFields := reflect.ValueOf(entity).Elem().NumField()
for i := 0; i < numFields; i++ {
f := reflect.ValueOf(entity).Elem().Type().Field(i)
if f.Tag.Get(tag) == tagIgnore {
// we must look for its JSON name in the dictionary
// as the user can rename it using a tag
jsonName := f.Name
if f.Tag.Get("json") != "" {
jsonName = f.Tag.Get("json")
}
delete(dec, jsonName)
}
}
buf.Reset()
if err := json.NewEncoder(buf).Encode(&dec); err != nil {
return err
}
return nil
}
func deserializeEntity(retType reflect.Type, reader io.Reader) ([]TableEntity, error) {
buf := new(bytes.Buffer)
var ret getTableEntriesResponse
if err := json.NewDecoder(reader).Decode(&ret); err != nil {
return nil, err
}
tEntries := make([]TableEntity, len(ret.Elements))
for i, entry := range ret.Elements {
buf.Reset()
if err := json.NewEncoder(buf).Encode(entry); err != nil {
return nil, err
}
dec := make(map[string]interface{})
if err := json.NewDecoder(buf).Decode(&dec); err != nil {
return nil, err
}
var pKey, rKey string
// strip pk and rk
for key, val := range dec {
switch key {
case partitionKeyNode:
pKey = val.(string)
case rowKeyNode:
rKey = val.(string)
}
}
delete(dec, partitionKeyNode)
delete(dec, rowKeyNode)
buf.Reset()
if err := json.NewEncoder(buf).Encode(dec); err != nil {
return nil, err
}
// Create a empty retType instance
tEntries[i] = reflect.New(retType.Elem()).Interface().(TableEntity)
// Popolate it with the values
if err := json.NewDecoder(buf).Decode(&tEntries[i]); err != nil {
return nil, err
}
// Reset PartitionKey and RowKey
tEntries[i].SetPartitionKey(pKey)
tEntries[i].SetRowKey(rKey)
}
return tEntries, nil
}
func extractContinuationTokenFromHeaders(h http.Header) *ContinuationToken {
ct := ContinuationToken{h.Get(continuationTokenPartitionKeyHeader), h.Get(continuationTokenRowHeader)}
if ct.NextPartitionKey != "" && ct.NextRowKey != "" {
return &ct
}
return nil
}
vendor/github.com/Azure/azure-sdk-for-go/storage/util.go deleted 100644 → 0
+ 0
− 85
View file @ cac436bb
package storage
import (
"bytes"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"reflect"
"time"
)
func (c Client) computeHmac256(message string) string {
h := hmac.New(sha256.New, c.accountKey)
h.Write([]byte(message))
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func currentTimeRfc1123Formatted() string {
return timeRfc1123Formatted(time.Now().UTC())
}
func timeRfc1123Formatted(t time.Time) string {
return t.Format(http.TimeFormat)
}
func mergeParams(v1, v2 url.Values) url.Values {
out := url.Values{}
for k, v := range v1 {
out[k] = v
}
for k, v := range v2 {
vals, ok := out[k]
if ok {
vals = append(vals, v...)
out[k] = vals
} else {
out[k] = v
}
}
return out
}
func prepareBlockListRequest(blocks []Block) string {
s := `<?xml version="1.0" encoding="utf-8"?><BlockList>`
for _, v := range blocks {
s += fmt.Sprintf("<%s>%s</%s>", v.Status, v.ID, v.Status)
}
s += `</BlockList>`
return s
}
func xmlUnmarshal(body io.Reader, v interface{}) error {
data, err := ioutil.ReadAll(body)
if err != nil {
return err
}
return xml.Unmarshal(data, v)
}
func xmlMarshal(v interface{}) (io.Reader, int, error) {
b, err := xml.Marshal(v)
if err != nil {
return nil, 0, err
}
return bytes.NewReader(b), len(b), nil
}
func headersFromStruct(v interface{}) map[string]string {
headers := make(map[string]string)
value := reflect.ValueOf(v)
for i := 0; i < value.NumField(); i++ {
key := value.Type().Field(i).Tag.Get("header")
val := value.Field(i).String()
if key != "" && val != "" {
headers[key] = val
}
}
return headers
}
vendor/github.com/aws/aws-sdk-go/NOTICE.txt 0 → 100644
+ 3
− 0
View file @ b9e20cbc
AWS SDK for Go
Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Copyright 2014-2015 Stripe, Inc.
vendor/github.com/aws/aws-sdk-go/aws/client/client.go
+ 7
− 0
View file @ b9e20cbc
@@ -24,6 +24,13 @@ type ConfigProvider interface {
ClientConfig(serviceName string, cfgs ...*aws.Config) Config
}
 
// ConfigNoResolveEndpointProvider same as ConfigProvider except it will not
// resolve the endpoint automatically. The service client's endpoint must be
// provided via the aws.Config.Endpoint field.
type ConfigNoResolveEndpointProvider interface {
ClientConfigNoResolveEndpoint(cfgs ...*aws.Config) Config
}
// A Client implements the base client request and response handling
// used by all service clients.
type Client struct {
vendor/github.com/aws/aws-sdk-go/aws/config.go
+ 14
− 7
View file @ b9e20cbc
@@ -22,9 +22,9 @@ type RequestRetryer interface{}
//
// // Create Session with MaxRetry configuration to be shared by multiple
// // service clients.
// sess, err := session.NewSession(&aws.Config{
// sess := session.Must(session.NewSession(&aws.Config{
// MaxRetries: aws.Int(3),
// })
// }))
//
// // Create S3 service client with a specific Region.
// svc := s3.New(sess, &aws.Config{
@@ -154,7 +154,8 @@ type Config struct {
// the EC2Metadata overriding the timeout for default credentials chain.
//
// Example:
// sess, err := session.NewSession(aws.NewConfig().WithEC2MetadataDiableTimeoutOverride(true))
// sess := session.Must(session.NewSession(aws.NewConfig()
// .WithEC2MetadataDiableTimeoutOverride(true)))
//
// svc := s3.New(sess)
//
@@ -174,7 +175,7 @@ type Config struct {
//
// Only supported with.
//
// sess, err := session.NewSession()
// sess := session.Must(session.NewSession())
//
// svc := s3.New(sess, &aws.Config{
// UseDualStack: aws.Bool(true),
@@ -186,13 +187,19 @@ type Config struct {
// request delays. This value should only be used for testing. To adjust
// the delay of a request see the aws/client.DefaultRetryer and
// aws/request.Retryer.
//
// SleepDelay will prevent any Context from being used for canceling retry
// delay of an API operation. It is recommended to not use SleepDelay at all
// and specify a Retryer instead.
SleepDelay func(time.Duration)
 
// DisableRestProtocolURICleaning will not clean the URL path when making rest protocol requests.
// Will default to false. This would only be used for empty directory names in s3 requests.
//
// Example:
// sess, err := session.NewSession(&aws.Config{DisableRestProtocolURICleaning: aws.Bool(true))
// sess := session.Must(session.NewSession(&aws.Config{
// DisableRestProtocolURICleaning: aws.Bool(true),
// }))
//
// svc := s3.New(sess)
// out, err := svc.GetObject(&s3.GetObjectInput {
@@ -207,9 +214,9 @@ type Config struct {
//
// // Create Session with MaxRetry configuration to be shared by multiple
// // service clients.
// sess, err := session.NewSession(aws.NewConfig().
// sess := session.Must(session.NewSession(aws.NewConfig().
// WithMaxRetries(3),
// )
// ))
//
// // Create S3 service client with a specific Region.
// svc := s3.New(sess, aws.NewConfig().
vendor/github.com/aws/aws-sdk-go/aws/context.go 0 → 100644
+ 71
− 0
View file @ b9e20cbc
package aws
import (
"time"
)
// Context is an copy of the Go v1.7 stdlib's context.Context interface.
// It is represented as a SDK interface to enable you to use the "WithContext"
// API methods with Go v1.6 and a Context type such as golang.org/x/net/context.
//
// See https://golang.org/pkg/context on how to use contexts.
type Context interface {
// Deadline returns the time when work done on behalf of this context
// should be canceled. Deadline returns ok==false when no deadline is
// set. Successive calls to Deadline return the same results.
Deadline() (deadline time.Time, ok bool)
// Done returns a channel that's closed when work done on behalf of this
// context should be canceled. Done may return nil if this context can
// never be canceled. Successive calls to Done return the same value.
Done() <-chan struct{}
// Err returns a non-nil error value after Done is closed. Err returns
// Canceled if the context was canceled or DeadlineExceeded if the
// context's deadline passed. No other values for Err are defined.
// After Done is closed, successive calls to Err return the same value.
Err() error
// Value returns the value associated with this context for key, or nil
// if no value is associated with key. Successive calls to Value with
// the same key returns the same result.
//
// Use context values only for request-scoped data that transits
// processes and API boundaries, not for passing optional parameters to
// functions.
Value(key interface{}) interface{}
}
// BackgroundContext returns a context that will never be canceled, has no
// values, and no deadline. This context is used by the SDK to provide
// backwards compatibility with non-context API operations and functionality.
//
// Go 1.6 and before:
// This context function is equivalent to context.Background in the Go stdlib.
//
// Go 1.7 and later:
// The context returned will be the value returned by context.Background()
//
// See https://golang.org/pkg/context for more information on Contexts.
func BackgroundContext() Context {
return backgroundCtx
}
// SleepWithContext will wait for the timer duration to expire, or the context
// is canceled. Which ever happens first. If the context is canceled the Context's
// error will be returned.
//
// Expects Context to always return a non-nil error if the Done channel is closed.
func SleepWithContext(ctx Context, dur time.Duration) error {
t := time.NewTimer(dur)
defer t.Stop()
select {
case <-t.C:
break
case <-ctx.Done():
return ctx.Err()
}
return nil
}
vendor/github.com/aws/aws-sdk-go/aws/context_1_6.go 0 → 100644
+ 41
− 0
View file @ b9e20cbc
// +build !go1.7
package aws
import "time"
// An emptyCtx is a copy of the the Go 1.7 context.emptyCtx type. This
// is copied to provide a 1.6 and 1.5 safe version of context that is compatible
// with Go 1.7's Context.
//
// An emptyCtx is never canceled, has no values, and has no deadline. It is not
// struct{}, since vars of this type must have distinct addresses.
type emptyCtx int
func (*emptyCtx) Deadline() (deadline time.Time, ok bool) {
return
}
func (*emptyCtx) Done() <-chan struct{} {
return nil
}
func (*emptyCtx) Err() error {
return nil
}
func (*emptyCtx) Value(key interface{}) interface{} {
return nil
}
func (e *emptyCtx) String() string {
switch e {
case backgroundCtx:
return "aws.BackgroundContext"
}
return "unknown empty Context"
}
var (
backgroundCtx = new(emptyCtx)
)
vendor/github.com/aws/aws-sdk-go/aws/context_1_7.go 0 → 100644
+ 9
− 0
View file @ b9e20cbc
// +build go1.7
package aws
import "context"
var (
backgroundCtx = context.Background()
)
vendor/github.com/aws/aws-sdk-go/aws/corehandlers/handlers.go
+ 20
− 1
View file @ b9e20cbc
@@ -134,6 +134,16 @@ var SendHandler = request.NamedHandler{Name: "core.SendHandler", Fn: func(r *req
// Catch all other request errors.
r.Error = awserr.New("RequestError", "send request failed", err)
r.Retryable = aws.Bool(true) // network errors are retryable
// Override the error with a context canceled error, if that was canceled.
ctx := r.Context()
select {
case <-ctx.Done():
r.Error = awserr.New(request.CanceledErrorCode,
"request context canceled", ctx.Err())
r.Retryable = aws.Bool(false)
default:
}
}
}}
 
@@ -156,7 +166,16 @@ var AfterRetryHandler = request.NamedHandler{Name: "core.AfterRetryHandler", Fn:
 
if r.WillRetry() {
r.RetryDelay = r.RetryRules(r)
r.Config.SleepDelay(r.RetryDelay)
if sleepFn := r.Config.SleepDelay; sleepFn != nil {
// Support SleepDelay for backwards compatibility and testing
sleepFn(r.RetryDelay)
} else if err := aws.SleepWithContext(r.Context(), r.RetryDelay); err != nil {
r.Error = awserr.New(request.CanceledErrorCode,
"request context canceled", err)
r.Retryable = aws.Bool(false)
return
}
 
// when the expired token exception occurs the credentials
// need to be expired locally so that the next request to
vendor/github.com/aws/aws-sdk-go/aws/credentials/credentials.go
+ 1
− 1
View file @ b9e20cbc
@@ -88,7 +88,7 @@ type Value struct {
// The Provider should not need to implement its own mutexes, because
// that will be managed by Credentials.
type Provider interface {
// Refresh returns nil if it successfully retrieved the value.
// Retrieve returns nil if it successfully retrieved the value.
// Error is returned if the value were not obtainable, or empty.
Retrieve() (Value, error)
 
vendor/github.com/aws/aws-sdk-go/aws/credentials/example.ini 0 → 100644
+ 12
− 0
View file @ b9e20cbc
[default]
aws_access_key_id = accessKey
aws_secret_access_key = secret
aws_session_token = token
[no_token]
aws_access_key_id = accessKey
aws_secret_access_key = secret
[with_colon]
aws_access_key_id: accessKey
aws_secret_access_key: secret
vendor/github.com/aws/aws-sdk-go/aws/credentials/stscreds/assume_role_provider.go
+ 148
− 11
View file @ b9e20cbc
// Package stscreds are credential Providers to retrieve STS AWS credentials.
//
// STS provides multiple ways to retrieve credentials which can be used when making
// future AWS service API operation calls.
/*
Package stscreds are credential Providers to retrieve STS AWS credentials.
STS provides multiple ways to retrieve credentials which can be used when making
future AWS service API operation calls.
The SDK will ensure that per instance of credentials.Credentials all requests
to refresh the credentials will be synchronized. But, the SDK is unable to
ensure synchronous usage of the AssumeRoleProvider if the value is shared
between multiple Credentials, Sessions or service clients.
Assume Role
To assume an IAM role using STS with the SDK you can create a new Credentials
with the SDKs's stscreds package.
// Initial credentials loaded from SDK's default credential chain. Such as
// the environment, shared credentials (~/.aws/credentials), or EC2 Instance
// Role. These credentials will be used to to make the STS Assume Role API.
sess := session.Must(session.NewSession())
// Create the credentials from AssumeRoleProvider to assume the role
// referenced by the "myRoleARN" ARN.
creds := stscreds.NewCredentials(sess, "myRoleArn")
// Create service client value configured for credentials
// from assumed role.
svc := s3.New(sess, &aws.Config{Credentials: creds})
Assume Role with static MFA Token
To assume an IAM role with a MFA token you can either specify a MFA token code
directly or provide a function to prompt the user each time the credentials
need to refresh the role's credentials. Specifying the TokenCode should be used
for short lived operations that will not need to be refreshed, and when you do
not want to have direct control over the user provides their MFA token.
With TokenCode the AssumeRoleProvider will be not be able to refresh the role's
credentials.
// Create the credentials from AssumeRoleProvider to assume the role
// referenced by the "myRoleARN" ARN using the MFA token code provided.
creds := stscreds.NewCredentials(sess, "myRoleArn", func(p *stscreds.AssumeRoleProvider) {
p.SerialNumber = aws.String("myTokenSerialNumber")
p.TokenCode = aws.String("00000000")
})
// Create service client value configured for credentials
// from assumed role.
svc := s3.New(sess, &aws.Config{Credentials: creds})
Assume Role with MFA Token Provider
To assume an IAM role with MFA for longer running tasks where the credentials
may need to be refreshed setting the TokenProvider field of AssumeRoleProvider
will allow the credential provider to prompt for new MFA token code when the
role's credentials need to be refreshed.
The StdinTokenProvider function is available to prompt on stdin to retrieve
the MFA token code from the user. You can also implement custom prompts by
satisfing the TokenProvider function signature.
Using StdinTokenProvider with multiple AssumeRoleProviders, or Credentials will
have undesirable results as the StdinTokenProvider will not be synchronized. A
single Credentials with an AssumeRoleProvider can be shared safely.
// Create the credentials from AssumeRoleProvider to assume the role
// referenced by the "myRoleARN" ARN. Prompting for MFA token from stdin.
creds := stscreds.NewCredentials(sess, "myRoleArn", func(p *stscreds.AssumeRoleProvider) {
p.SerialNumber = aws.String("myTokenSerialNumber")
p.TokenProvider = stscreds.StdinTokenProvider
})
// Create service client value configured for credentials
// from assumed role.
svc := s3.New(sess, &aws.Config{Credentials: creds})
*/
package stscreds
 
import (
@@ -9,11 +83,31 @@ import (
"time"
 
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/service/sts"
)
 
// StdinTokenProvider will prompt on stdout and read from stdin for a string value.
// An error is returned if reading from stdin fails.
//
// Use this function go read MFA tokens from stdin. The function makes no attempt
// to make atomic prompts from stdin across multiple gorouties.
//
// Using StdinTokenProvider with multiple AssumeRoleProviders, or Credentials will
// have undesirable results as the StdinTokenProvider will not be synchronized. A
// single Credentials with an AssumeRoleProvider can be shared safely
//
// Will wait forever until something is provided on the stdin.
func StdinTokenProvider() (string, error) {
var v string
fmt.Printf("Assume Role MFA token code: ")
_, err := fmt.Scanln(&v)
return v, err
}
// ProviderName provides a name of AssumeRole provider
const ProviderName = "AssumeRoleProvider"
 
@@ -27,8 +121,15 @@ type AssumeRoler interface {
var DefaultDuration = time.Duration(15) * time.Minute
 
// AssumeRoleProvider retrieves temporary credentials from the STS service, and
// keeps track of their expiration time. This provider must be used explicitly,
// as it is not included in the credentials chain.
// keeps track of their expiration time.
//
// This credential provider will be used by the SDKs default credential change
// when shared configuration is enabled, and the shared config or shared credentials
// file configure assume role. See Session docs for how to do this.
//
// AssumeRoleProvider does not provide any synchronization and it is not safe
// to share this value across multiple Credentials, Sessions, or service clients
// without also sharing the same Credentials instance.
type AssumeRoleProvider struct {
credentials.Expiry
 
@@ -65,8 +166,23 @@ type AssumeRoleProvider struct {
// assumed requires MFA (that is, if the policy includes a condition that tests
// for MFA). If the role being assumed requires MFA and if the TokenCode value
// is missing or expired, the AssumeRole call returns an "access denied" error.
//
// If SerialNumber is set and neither TokenCode nor TokenProvider are also
// set an error will be returned.
TokenCode *string
 
// Async method of providing MFA token code for assuming an IAM role with MFA.
// The value returned by the function will be used as the TokenCode in the Retrieve
// call. See StdinTokenProvider for a provider that prompts and reads from stdin.
//
// This token provider will be called when ever the assumed role's
// credentials need to be refreshed when SerialNumber is also set and
// TokenCode is not set.
//
// If both TokenCode and TokenProvider is set, TokenProvider will be used and
// TokenCode is ignored.
TokenProvider func() (string, error)
// ExpiryWindow will allow the credentials to trigger refreshing prior to
// the credentials actually expiring. This is beneficial so race conditions
// with expiring credentials do not cause request to fail unexpectedly
@@ -85,6 +201,10 @@ type AssumeRoleProvider struct {
//
// Takes a Config provider to create the STS client. The ConfigProvider is
// satisfied by the session.Session type.
//
// It is safe to share the returned Credentials with multiple Sessions and
// service clients. All access to the credentials and refreshing them
// will be synchronized.
func NewCredentials(c client.ConfigProvider, roleARN string, options ...func(*AssumeRoleProvider)) *credentials.Credentials {
p := &AssumeRoleProvider{
Client: sts.New(c),
@@ -103,7 +223,11 @@ func NewCredentials(c client.ConfigProvider, roleARN string, options ...func(*As
// AssumeRoleProvider. The credentials will expire every 15 minutes and the
// role will be named after a nanosecond timestamp of this operation.
//
// Takes an AssumeRoler which can be satisfiede by the STS client.
// Takes an AssumeRoler which can be satisfied by the STS client.
//
// It is safe to share the returned Credentials with multiple Sessions and
// service clients. All access to the credentials and refreshing them
// will be synchronized.
func NewCredentialsWithClient(svc AssumeRoler, roleARN string, options ...func(*AssumeRoleProvider)) *credentials.Credentials {
p := &AssumeRoleProvider{
Client: svc,
@@ -139,12 +263,25 @@ func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
if p.Policy != nil {
input.Policy = p.Policy
}
if p.SerialNumber != nil && p.TokenCode != nil {
input.SerialNumber = p.SerialNumber
input.TokenCode = p.TokenCode
if p.SerialNumber != nil {
if p.TokenCode != nil {
input.SerialNumber = p.SerialNumber
input.TokenCode = p.TokenCode
} else if p.TokenProvider != nil {
input.SerialNumber = p.SerialNumber
code, err := p.TokenProvider()
if err != nil {
return credentials.Value{ProviderName: ProviderName}, err
}
input.TokenCode = aws.String(code)
} else {
return credentials.Value{ProviderName: ProviderName},
awserr.New("AssumeRoleTokenNotAvailable",
"assume role with MFA enabled, but neither TokenCode nor TokenProvider are set", nil)
}
}
roleOutput, err := p.Client.AssumeRole(input)
 
roleOutput, err := p.Client.AssumeRole(input)
if err != nil {
return credentials.Value{ProviderName: ProviderName}, err
}
vendor/github.com/aws/aws-sdk-go/aws/defaults/defaults.go
+ 0
− 1
View file @ b9e20cbc
@@ -56,7 +56,6 @@ func Config() *aws.Config {
WithMaxRetries(aws.UseServiceDefaultRetries).
WithLogger(aws.NewDefaultLogger()).
WithLogLevel(aws.LogOff).
WithSleepDelay(time.Sleep).
WithEndpointResolver(endpoints.DefaultResolver())
}
 
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