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package blobs
import (
"context"
"net/http"
"strings"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/Azure/go-autorest/autorest/validation"
"github.com/tombuildsstuff/giovanni/storage/internal/endpoints"
)
type PutBlockFromURLInput struct {
BlockID string
CopySource string
ContentMD5 *string
LeaseID *string
Range *string
}
type PutBlockFromURLResult struct {
autorest.Response
ContentMD5 string
}
// PutBlockFromURL creates a new block to be committed as part of a blob where the contents are read from a URL
func (client Client) PutBlockFromURL(ctx context.Context, accountName, containerName, blobName string, input PutBlockFromURLInput) (result PutBlockFromURLResult, err error) {
if accountName == "" {
return result, validation.NewError("blobs.Client", "PutBlockFromURL", "`accountName` cannot be an empty string.")
}
if containerName == "" {
return result, validation.NewError("blobs.Client", "PutBlockFromURL", "`containerName` cannot be an empty string.")
}
if strings.ToLower(containerName) != containerName {
return result, validation.NewError("blobs.Client", "PutBlockFromURL", "`containerName` must be a lower-cased string.")
}
if blobName == "" {
return result, validation.NewError("blobs.Client", "PutBlockFromURL", "`blobName` cannot be an empty string.")
}
if input.BlockID == "" {
return result, validation.NewError("blobs.Client", "PutBlockFromURL", "`input.BlockID` cannot be an empty string.")
}
if input.CopySource == "" {
return result, validation.NewError("blobs.Client", "PutBlockFromURL", "`input.CopySource` cannot be an empty string.")
}
req, err := client.PutBlockFromURLPreparer(ctx, accountName, containerName, blobName, input)
if err != nil {
err = autorest.NewErrorWithError(err, "blobs.Client", "PutBlockFromURL", nil, "Failure preparing request")
return
}
resp, err := client.PutBlockFromURLSender(req)
if err != nil {
result.Response = autorest.Response{Response: resp}
err = autorest.NewErrorWithError(err, "blobs.Client", "PutBlockFromURL", resp, "Failure sending request")
return
}
result, err = client.PutBlockFromURLResponder(resp)
if err != nil {
err = autorest.NewErrorWithError(err, "blobs.Client", "PutBlockFromURL", resp, "Failure responding to request")
return
}
return
}
// PutBlockFromURLPreparer prepares the PutBlockFromURL request.
func (client Client) PutBlockFromURLPreparer(ctx context.Context, accountName, containerName, blobName string, input PutBlockFromURLInput) (*http.Request, error) {
pathParameters := map[string]interface{}{
"containerName": autorest.Encode("path", containerName),
"blobName": autorest.Encode("path", blobName),
}
queryParameters := map[string]interface{}{
"comp": autorest.Encode("query", "block"),
"blockid": autorest.Encode("query", input.BlockID),
}
headers := map[string]interface{}{
"x-ms-version": APIVersion,
"x-ms-copy-source": input.CopySource,
}
if input.ContentMD5 != nil {
headers["x-ms-source-content-md5"] = *input.ContentMD5
}
if input.LeaseID != nil {
headers["x-ms-lease-id"] = *input.LeaseID
}
if input.Range != nil {
headers["x-ms-source-range"] = *input.Range
}
preparer := autorest.CreatePreparer(
autorest.AsPut(),
autorest.WithBaseURL(endpoints.GetBlobEndpoint(client.BaseURI, accountName)),
autorest.WithPathParameters("/{containerName}/{blobName}", pathParameters),
autorest.WithQueryParameters(queryParameters),
autorest.WithHeaders(headers))
return preparer.Prepare((&http.Request{}).WithContext(ctx))
}
// PutBlockFromURLSender sends the PutBlockFromURL request. The method will close the
// http.Response Body if it receives an error.
func (client Client) PutBlockFromURLSender(req *http.Request) (*http.Response, error) {
return autorest.SendWithSender(client, req,
azure.DoRetryWithRegistration(client.Client))
}
// PutBlockFromURLResponder handles the response to the PutBlockFromURL request. The method always
// closes the http.Response Body.
func (client Client) PutBlockFromURLResponder(resp *http.Response) (result PutBlockFromURLResult, err error) {
if resp != nil && resp.Header != nil {
result.ContentMD5 = resp.Header.Get("Content-MD5")
}
err = autorest.Respond(
resp,
client.ByInspecting(),
azure.WithErrorUnlessStatusCode(http.StatusCreated),
autorest.ByClosing())
result.Response = autorest.Response{Response: resp}
return
}
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