/// <summary>
/// Creates the web request.
/// </summary>
/// <param name="uri">The request Uri.</param>
/// <param name="timeout">The timeout.</param>
/// <param name="builder">The builder.</param>
/// <returns>A web request for performing the operation.</returns>
internal static StorageRequestMessage CreateRequestMessage(HttpMethod method, Uri uri, int? timeout, UriQueryBuilder builder, HttpContent content, OperationContext operationContext, ICanonicalizer canonicalizer, StorageCredentials credentials)
{
if (builder == null)
{
builder = new UriQueryBuilder();
}
if (timeout.HasValue && timeout.Value > 0)
{
builder.Add("timeout", timeout.ToString());
}
#if WINDOWS_RT && !NETCORE
// Windows Phone does not allow the caller to disable caching, so a random GUID
// is added to every URI to make it look like a different request.
builder.Add("randomguid", Guid.NewGuid().ToString("N"));
#endif
Uri uriRequest = builder.AddToUri(uri);
StorageRequestMessage msg = new StorageRequestMessage(method, uriRequest, canonicalizer, credentials, credentials.AccountName);
msg.Content = content;
return msg;
}
/// <summary>
/// Creates the web request.
/// </summary>
/// <param name="method">The HTTP method.</param>
/// <param name="uri">The request URI.</param>
/// <param name="timeout">The timeout.</param>
/// <param name="builder">An object of type <see cref="UriQueryBuilder"/>, containing additional parameters to add to the URI query string.</param>
/// <param name="operationContext">An <see cref="OperationContext" /> object for tracking the current operation.</param>
/// <returns>
/// A web request for performing the operation.
/// </returns>
internal static HttpWebRequest CreateWebRequest(string method, Uri uri, int? timeout, UriQueryBuilder builder, OperationContext operationContext)
{
if (builder == null)
{
builder = new UriQueryBuilder();
}
if (timeout != 0)
{
builder.Add("timeout", timeout.ToString());
}
Uri uriRequest = builder.AddToUri(uri);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uriRequest);
request.Method = method;
request.Headers.Add(Constants.HeaderConstants.StorageVersionHeader, Constants.HeaderConstants.TargetStorageVersion);
request.UserAgent = Constants.HeaderConstants.UserAgent;
request.KeepAlive = true;
// Disable the Expect 100-Continue
request.ServicePoint.Expect100Continue = false;
return request;
}
internal static HttpWebRequest BuildRequestForTableQuery(Uri uri, UriQueryBuilder builder, int? timeout, bool useVersionHeader, OperationContext ctx, TablePayloadFormat payloadFormat)
{
HttpWebRequest msg = BuildRequestCore(uri, builder, "GET", timeout, useVersionHeader, ctx);
SetAcceptHeaderForHttpWebRequest(msg, payloadFormat);
Logger.LogInformational(ctx, SR.PayloadFormat, payloadFormat);
return msg;
}
internal static HttpWebRequest BuildRequestCore(Uri uri, UriQueryBuilder builder, string method, int? timeout, bool useVersionHeader, OperationContext ctx)
{
HttpWebRequest msg = HttpWebRequestFactory.CreateWebRequest(method, uri, timeout, builder, useVersionHeader, ctx);
msg.Headers.Add("Accept-Charset", "UTF-8");
msg.Headers.Add("MaxDataServiceVersion", "3.0;NetFx");
return msg;
}
/// <summary>
/// Constructs a web request to commit a block to an append blob.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the blob.</param>
/// <param name="timeout">An integer specifying the server timeout interval.</param>
/// <param name="accessCondition">An <see cref="AccessCondition"/> object that represents the condition that must be met in order for the request to proceed.</param>
/// <param name="content"> The HTTP entity body and content headers.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpRequestMessage AppendBlock(Uri uri, int? timeout, AccessCondition accessCondition, HttpContent content, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.QueryConstants.Component, "appendblock");
HttpRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Put, uri, timeout, builder, content, operationContext);
request.ApplyAccessCondition(accessCondition);
request.ApplyAppendCondition(accessCondition);
return request;
}
/// <summary>
/// Constructs a web request to return the ACL for a cloud resource.
/// </summary>
/// <param name="uri">The absolute URI to the resource.</param>
/// <param name="timeout">The server timeout interval.</param>
/// <param name="builder">An optional query builder to use.</param>
/// <returns><returns>A web request to use to perform the operation.</returns></returns>
internal static HttpRequestMessage GetAcl(Uri uri, int? timeout, UriQueryBuilder builder, HttpContent content, OperationContext operationContext)
{
if (builder == null)
{
builder = new UriQueryBuilder();
}
builder.Add(Constants.QueryConstants.Component, "acl");
HttpRequestMessage request = CreateRequestMessage(HttpMethod.Get, uri, timeout, builder, content, operationContext);
return request;
}
internal static HttpWebRequest CreateWebRequest(string method, Uri uri, int? timeout, UriQueryBuilder builder, bool useVersionHeader, OperationContext operationContext)
{
if (builder == null)
{
builder = new UriQueryBuilder();
}
if (timeout.HasValue && timeout.Value > 0)
{
builder.Add("timeout", timeout.Value.ToString(CultureInfo.InvariantCulture));
}
#if WINDOWS_PHONE
// Windows Phone does not allow the caller to disable caching, so a random GUID
// is added to every URI to make it look a different request.
builder.Add("randomguid", Guid.NewGuid().ToString("N"));
#endif
Uri uriRequest = builder.AddToUri(uri);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uriRequest);
request.Method = method;
// Set the Content-Length of requests to 0 by default. If we do not upload
// a body, signing requires it to be 0. On Windows Phone, all requests except
// GET need this. On desktop, however, only PUT requests need it.
#if !WINDOWS_PHONE
if (method.Equals(WebRequestMethods.Http.Put, StringComparison.OrdinalIgnoreCase))
#else
if (!method.Equals(WebRequestMethods.Http.Get, StringComparison.OrdinalIgnoreCase))
#endif
{
request.ContentLength = 0;
}
request.UserAgent = Constants.HeaderConstants.UserAgent;
if (useVersionHeader)
{
request.Headers[Constants.HeaderConstants.StorageVersionHeader] = Constants.HeaderConstants.TargetStorageVersion;
}
#if !WINDOWS_PHONE
request.KeepAlive = true;
// Disable the Expect 100-Continue
request.ServicePoint.Expect100Continue = false;
#endif
return request;
}
internal static HttpRequestMessage BuildRequestCore(Uri uri, HttpMethod method, int? timeout, OperationContext ctx)
{
Uri uriRequest = uri;
if (timeout != null && timeout != 0)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add("timeout", timeout.ToString());
uriRequest = builder.AddToUri(uri);
}
HttpRequestMessage msg = new HttpRequestMessage(method, uriRequest);
msg.Headers.Add("Accept", "application/atom+xml,application/xml");
msg.Headers.Add("Accept-Charset", "UTF-8");
msg.Headers.Add("MaxDataServiceVersion", "2.0;NetFx");
return msg;
}
/// <summary>
/// Constructs a web request to return the ACL for a cloud resource.
/// </summary>
/// <param name="uri">The absolute URI to the resource.</param>
/// <param name="timeout">The server timeout interval.</param>
/// <param name="builder">An optional query builder to use.</param>
/// <returns><returns>A web request to use to perform the operation.</returns></returns>
internal static StorageRequestMessage GetAcl(Uri uri, int? timeout, UriQueryBuilder builder, HttpContent content, OperationContext operationContext, ICanonicalizer canonicalizer, StorageCredentials credentials)
{
if (builder == null)
{
builder = new UriQueryBuilder();
}
builder.Add(Constants.QueryConstants.Component, "acl");
StorageRequestMessage request = CreateRequestMessage(HttpMethod.Get, uri, timeout, builder, content, operationContext, canonicalizer, credentials);
#if WINDOWS_PHONE
// Windows phone adds */* as the Accept type when we don't set one explicitly.
request.Headers.Add(Constants.HeaderConstants.PayloadAcceptHeader, Constants.XMLAcceptHeaderValue);
#endif
return request;
}
internal static Tuple<HttpWebRequest, Stream> BuildRequestForTableOperation(Uri uri, UriQueryBuilder builder, IBufferManager bufferManager, int? timeout, TableOperation operation, OperationContext ctx)
{
HttpWebRequest msg = BuildRequestCore(uri, builder, operation.HttpMethod, timeout, ctx);
if (operation.OperationType == TableOperationType.InsertOrMerge || operation.OperationType == TableOperationType.Merge)
{
// post tunnelling
msg.Headers.Add("X-HTTP-Method", "MERGE");
}
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
if (operation.Entity.ETag != null)
{
msg.Headers.Add("If-Match", operation.Entity.ETag);
}
}
if (operation.OperationType == TableOperationType.Insert ||
operation.OperationType == TableOperationType.Merge ||
operation.OperationType == TableOperationType.InsertOrMerge ||
operation.OperationType == TableOperationType.InsertOrReplace ||
operation.OperationType == TableOperationType.Replace)
{
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = ODataVersion.V2 // set the Odata version to use when writing the entry
};
HttpWebRequestAdapterMessage adapterMsg = new HttpWebRequestAdapterMessage(msg, bufferManager);
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings);
ODataWriter writer = odataWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, writer);
return new Tuple<HttpWebRequest, Stream>(adapterMsg.GetPopulatedMessage(), adapterMsg.GetStream());
}
return new Tuple<HttpWebRequest, Stream>(msg, null);
}
/// <summary>
/// Creates the web request.
/// </summary>
/// <param name="uri">The request Uri.</param>
/// <param name="timeout">The timeout.</param>
/// <param name="builder">The builder.</param>
/// <returns>A web request for performing the operation.</returns>
internal static HttpRequestMessage CreateRequestMessage(HttpMethod method, Uri uri, int? timeout, UriQueryBuilder builder, HttpContent content, OperationContext operationContext)
{
if (builder == null)
{
builder = new UriQueryBuilder();
}
if (timeout.HasValue && timeout.Value > 0)
{
builder.Add("timeout", timeout.ToString());
}
Uri uriRequest = builder.AddToUri(uri);
HttpRequestMessage msg = new HttpRequestMessage(method, uriRequest);
msg.Content = content;
return msg;
}
internal void ApplyToUriQueryBuilder(UriQueryBuilder builder)
{
if (!string.IsNullOrEmpty(this.NextPartitionKey))
{
builder.Add(TableConstants.TableServiceNextPartitionKey, this.NextPartitionKey);
}
if (!string.IsNullOrEmpty(this.NextRowKey))
{
builder.Add(TableConstants.TableServiceNextRowKey, this.NextRowKey);
}
if (!string.IsNullOrEmpty(this.NextTableName))
{
builder.Add(TableConstants.TableServiceNextTableName, this.NextTableName);
}
}
internal static Tuple<HttpWebRequest, Stream> BuildRequestForTableBatchOperation(Uri uri, UriQueryBuilder builder, int? timeout, Uri baseUri, string tableName, TableBatchOperation batch, OperationContext ctx)
{
HttpWebRequest msg = BuildRequestCore(NavigationHelper.AppendPathToUri(uri, "$batch"), builder, "POST", timeout, ctx);
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = ODataVersion.V2 // set the Odata version to use when writing the entry
};
HttpWebRequestAdapterMessage adapterMsg = new HttpWebRequestAdapterMessage(msg);
// Start Batch
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings);
ODataBatchWriter batchWriter = odataWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
bool isQuery = batch.Count == 1 && batch[0].OperationType == TableOperationType.Retrieve;
// Query operations should not be inside changeset in payload
if (!isQuery)
{
// Start Operation
batchWriter.WriteStartChangeset();
batchWriter.Flush();
}
foreach (TableOperation operation in batch)
{
string httpMethod = operation.OperationType == TableOperationType.Merge || operation.OperationType == TableOperationType.InsertOrMerge ? "MERGE" : operation.HttpMethod;
ODataBatchOperationRequestMessage mimePartMsg = batchWriter.CreateOperationRequestMessage(httpMethod, operation.GenerateRequestURI(baseUri, tableName));
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
mimePartMsg.SetHeader("If-Match", operation.Entity.ETag);
}
if (operation.OperationType != TableOperationType.Delete && operation.OperationType != TableOperationType.Retrieve)
{
using (ODataMessageWriter batchEntryWriter = new ODataMessageWriter(mimePartMsg, writerSettings))
{
// Write entity
ODataWriter entryWriter = batchEntryWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, entryWriter);
}
}
}
if (!isQuery)
{
// End Operation
batchWriter.WriteEndChangeset();
}
// End Batch
batchWriter.WriteEndBatch();
batchWriter.Flush();
return new Tuple<HttpWebRequest, Stream>(adapterMsg.GetPopulatedMessage(), adapterMsg.GetStream());
}
internal static HttpWebRequest BuildRequestForTableQuery(Uri uri, UriQueryBuilder builder, int? timeout, OperationContext ctx)
{
HttpWebRequest msg = BuildRequestCore(uri, builder, "GET", timeout, ctx);
return msg;
}
/// <summary>
/// Creates a web request to get Queue service stats.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the Queue service endpoint.</param>
/// <param name="builder">A <see cref="UriQueryBuilder"/> object specifying additional parameters to add to the URI query string.</param>
/// <param name="timeout">The server timeout interval, in seconds.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpWebRequest GetServiceStats(Uri uri, UriQueryBuilder builder, int? timeout, OperationContext operationContext)
{
return QueueHttpWebRequestFactory.GetServiceStats(uri, builder, timeout, true /* useVersionHeader */, operationContext);
}
/// <summary>
/// Creates a web request to set the properties of the Queue service.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the Queue service endpoint.</param>
/// <param name="builder">A <see cref="UriQueryBuilder"/> object specifying additional parameters to add to the URI query string.</param>
/// <param name="timeout">The server timeout interval, in seconds.</param>
/// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
internal static HttpWebRequest SetServiceProperties(Uri uri, UriQueryBuilder builder, int? timeout, bool useVersionHeader, OperationContext operationContext)
{
return HttpWebRequestFactory.SetServiceProperties(uri, builder, timeout, useVersionHeader, operationContext);
}
/// <summary>
/// Constructs a web request to peek messages from a queue.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the queue.</param>
/// <param name="timeout">An integer specifying the server timeout interval.</param>
/// <param name="numberOfMessages">An integer specifying the number of messages to peek.</param>
/// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpWebRequest PeekMessages(Uri uri, int? timeout, int numberOfMessages, bool useVersionHeader, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.HeaderConstants.PeekOnly, Constants.HeaderConstants.TrueHeader);
builder.Add(Constants.QueryConstants.NumOfMessages, numberOfMessages.ToString(CultureInfo.InvariantCulture));
HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Get, uri, timeout, builder, useVersionHeader, operationContext);
return request;
}
/// <summary>
/// Constructs a web request to get messages from a queue.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the queue.</param>
/// <param name="timeout">An integer specifying the server timeout interval.</param>
/// <param name="numberOfMessages">An integer specifying the number of messages to get.</param>
/// <param name="visibilityTimeout">A <see cref="TimeSpan"/> value specifying the visibility timeout.</param>
/// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpWebRequest GetMessages(Uri uri, int? timeout, int numberOfMessages, TimeSpan? visibilityTimeout, bool useVersionHeader, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.QueryConstants.NumOfMessages, numberOfMessages.ToString(CultureInfo.InvariantCulture));
if (visibilityTimeout != null)
{
builder.Add(Constants.QueryConstants.VisibilityTimeout, visibilityTimeout.Value.RoundUpToSeconds().ToString(CultureInfo.InvariantCulture));
}
HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Get, uri, timeout, builder, useVersionHeader, operationContext);
return request;
}
/// <summary>
/// Initializes a new instance of the <see cref="UriQueryBuilder"/> class that contains elements copied from the specified <see cref="UriQueryBuilder"/>.
/// </summary>
/// <param name="builder">The <see cref="UriQueryBuilder"/> whose elements are copied to the new <see cref="UriQueryBuilder"/>.</param>
public UriQueryBuilder(UriQueryBuilder builder)
{
this.parameters = builder != null ?
new Dictionary <string, string>(builder.parameters) :
new Dictionary <string, string>();
}
/// <summary>
/// Constructs a web request to return a listing of all containers in this storage account.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the Blob service endpoint.</param>
/// <param name="timeout">An integer specifying the server timeout interval.</param>
/// <param name="listingContext">A <see cref="ListingContext"/> object.</param>
/// <param name="detailsIncluded">A <see cref="ContainerListingDetails"/> enumeration value that indicates whether to return container metadata with the listing.</param>
/// <param name="useVersionHeader">A boolean value indicating whether to set the <i>x-ms-version</i> HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A web request for the specified operation.</returns>
public static HttpWebRequest List(Uri uri, int? timeout, ListingContext listingContext, ContainerListingDetails detailsIncluded, bool useVersionHeader, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.QueryConstants.Component, "list");
if (listingContext != null)
{
if (listingContext.Prefix != null)
{
builder.Add("prefix", listingContext.Prefix);
}
if (listingContext.Marker != null)
{
builder.Add("marker", listingContext.Marker);
}
if (listingContext.MaxResults.HasValue)
{
builder.Add("maxresults", listingContext.MaxResults.ToString());
}
}
if ((detailsIncluded & ContainerListingDetails.Metadata) != 0)
{
builder.Add("include", "metadata");
}
HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Get, uri, timeout, builder, useVersionHeader, operationContext);
return request;
}
internal static Tuple<HttpWebRequest, Stream> BuildRequestForTableBatchOperation(Uri uri, UriQueryBuilder builder, IBufferManager bufferManager, int? timeout, string tableName, TableBatchOperation batch, bool useVersionHeader, OperationContext ctx, TableRequestOptions options, string accountName)
{
HttpWebRequest msg = BuildRequestCore(NavigationHelper.AppendPathToSingleUri(uri, "$batch"), builder, "POST", timeout, useVersionHeader, ctx);
TablePayloadFormat payloadFormat = options.PayloadFormat.Value;
Logger.LogInformational(ctx, SR.PayloadFormat, payloadFormat);
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = TableConstants.ODataProtocolVersion // set the Odata version to use when writing the entry
};
HttpWebRequestAdapterMessage adapterMsg = new HttpWebRequestAdapterMessage(msg, bufferManager);
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings);
ODataBatchWriter batchWriter = odataWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
bool isQuery = batch.Count == 1 && batch[0].OperationType == TableOperationType.Retrieve;
// Query operations should not be inside changeset in payload
if (!isQuery)
{
// Start Operation
batchWriter.WriteStartChangeset();
batchWriter.Flush();
}
foreach (TableOperation operation in batch)
{
string httpMethod = operation.HttpMethod;
if (operation.OperationType == TableOperationType.Merge || operation.OperationType == TableOperationType.InsertOrMerge)
{
options.AssertNoEncryptionPolicyOrStrictMode();
httpMethod = "MERGE";
}
ODataBatchOperationRequestMessage mimePartMsg = batchWriter.CreateOperationRequestMessage(httpMethod, operation.GenerateRequestURI(uri, tableName));
SetAcceptAndContentTypeForODataBatchMessage(mimePartMsg, payloadFormat);
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
mimePartMsg.SetHeader("If-Match", operation.Entity.ETag);
}
// Prefer header
if (operation.OperationType == TableOperationType.Insert)
{
mimePartMsg.SetHeader("Prefer", operation.EchoContent ? "return-content" : "return-no-content");
}
if (operation.OperationType != TableOperationType.Delete && operation.OperationType != TableOperationType.Retrieve)
{
using (ODataMessageWriter batchEntryWriter = new ODataMessageWriter(mimePartMsg, writerSettings, new TableStorageModel(accountName)))
{
// Write entity
ODataWriter entryWriter = batchEntryWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, entryWriter, options);
}
}
}
if (!isQuery)
{
// End Operation
batchWriter.WriteEndChangeset();
}
// End Batch
batchWriter.WriteEndBatch();
batchWriter.Flush();
return new Tuple<HttpWebRequest, Stream>(adapterMsg.GetPopulatedMessage(), adapterMsg.GetStream());
}
internal UriQueryBuilder GenerateQueryBuilder()
{
UriQueryBuilder builder = new UriQueryBuilder();
// filter
if (!string.IsNullOrEmpty(this.FilterString))
{
builder.Add(TableConstants.Filter, this.FilterString);
}
// take
if (this.takeCount.HasValue)
{
builder.Add(TableConstants.Top, Convert.ToString(Math.Min(this.takeCount.Value, TableConstants.TableServiceMaxResults)));
}
// select
if (this.SelectColumns != null && this.SelectColumns.Count > 0)
{
StringBuilder colBuilder = new StringBuilder();
bool foundRk = false;
bool foundPk = false;
bool foundTs = false;
for (int m = 0; m < this.SelectColumns.Count; m++)
{
if (this.SelectColumns[m] == TableConstants.PartitionKey)
{
foundPk = true;
}
else if (this.SelectColumns[m] == TableConstants.RowKey)
{
foundRk = true;
}
else if (this.SelectColumns[m] == TableConstants.Timestamp)
{
foundTs = true;
}
colBuilder.Append(this.SelectColumns[m]);
if (m < this.SelectColumns.Count - 1)
{
colBuilder.Append(",");
}
}
if (!foundPk)
{
colBuilder.Append(",");
colBuilder.Append(TableConstants.PartitionKey);
}
if (!foundRk)
{
colBuilder.Append(",");
colBuilder.Append(TableConstants.RowKey);
}
if (!foundTs)
{
colBuilder.Append(",");
colBuilder.Append(TableConstants.Timestamp);
}
builder.Add(TableConstants.Select, colBuilder.ToString());
}
return builder;
}
/// <summary>
/// Creates the specified Uri.
/// </summary>
/// <param name="uri">The Uri to create.</param>
/// <param name="timeout">The timeout.</param>
/// <param name="builder">The builder.</param>
/// <returns>A web request for performing the operation.</returns>
internal static StorageRequestMessage Create(Uri uri, int? timeout, UriQueryBuilder builder, HttpContent content, OperationContext operationContext, ICanonicalizer canonicalizer, StorageCredentials credentials)
{
StorageRequestMessage request = CreateRequestMessage(HttpMethod.Put, uri, timeout, builder, content, operationContext, canonicalizer, credentials);
return request;
}
/// <summary>
/// Generates a query builder for building service requests.
/// </summary>
/// <returns>A <see cref="UriQueryBuilder"/> for building service requests.</returns>
internal static UriQueryBuilder GetServiceUriQueryBuilder()
{
UriQueryBuilder uriBuilder = new UriQueryBuilder();
uriBuilder.Add(Constants.QueryConstants.ResourceType, "service");
return uriBuilder;
}
/// <summary>
/// Constructs a web request to return a listing of all containers in this storage account.
/// </summary>
/// <param name="uri">The absolute URI for the account.</param>
/// <param name="timeout">The server timeout interval.</param>
/// <param name="listingContext">A set of parameters for the listing operation.</param>
/// <param name="detailsIncluded">Additional details to return with the listing.</param>
/// <returns>A web request for the specified operation.</returns>
public static HttpRequestMessage List(Uri uri, int? timeout, ListingContext listingContext, ContainerListingDetails detailsIncluded, HttpContent content, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.QueryConstants.Component, "list");
if (listingContext != null)
{
if (listingContext.Prefix != null)
{
builder.Add("prefix", listingContext.Prefix);
}
if (listingContext.Marker != null)
{
builder.Add("marker", listingContext.Marker);
}
if (listingContext.MaxResults != null)
{
builder.Add("maxresults", listingContext.MaxResults.ToString());
}
}
if ((detailsIncluded & ContainerListingDetails.Metadata) != 0)
{
builder.Add("include", "metadata");
}
HttpRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Get, uri, timeout, builder, content, operationContext);
return request;
}
/// <summary>
/// Initializes a new instance of the <see cref="UriQueryBuilder"/> class that contains elements copied from the specified <see cref="UriQueryBuilder"/>.
/// </summary>
/// <param name="builder">The <see cref="UriQueryBuilder"/> whose elements are copied to the new <see cref="UriQueryBuilder"/>.</param>
public UriQueryBuilder(UriQueryBuilder builder)
{
this.parameters = builder != null ?
new Dictionary<string, string>(builder.parameters) :
new Dictionary<string, string>();
}
/// <summary>
/// Constructs a web request to add a message for a queue.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the queue.</param>
/// <param name="timeout">An integer specifying the server timeout interval.</param>
/// <param name="timeToLiveInSeconds">The message time-to-live, in seconds.</param>
/// <param name="visibilityTimeoutInSeconds">The length of time during which the message will be invisible, in seconds.</param>
/// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpWebRequest AddMessage(Uri uri, int? timeout, int? timeToLiveInSeconds, int? visibilityTimeoutInSeconds, bool useVersionHeader, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
if (timeToLiveInSeconds != null)
{
builder.Add(Constants.QueryConstants.MessageTimeToLive, timeToLiveInSeconds.Value.ToString(CultureInfo.InvariantCulture));
}
if (visibilityTimeoutInSeconds != null)
{
builder.Add(Constants.QueryConstants.VisibilityTimeout, visibilityTimeoutInSeconds.Value.ToString(CultureInfo.InvariantCulture));
}
HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Post, uri, timeout, builder, useVersionHeader, operationContext);
return request;
}
/// <summary>
/// Constructs a web request to update a message.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the message to update.</param>
/// <param name="timeout">The server timeout interval, in seconds.</param>
/// <param name="popReceipt">A string specifying the pop receipt of the message.</param>
/// <param name="visibilityTimeoutInSeconds">The length of time during which the message will be invisible, in seconds.</param>
/// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpWebRequest UpdateMessage(Uri uri, int? timeout, string popReceipt, int visibilityTimeoutInSeconds, bool useVersionHeader, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.QueryConstants.PopReceipt, popReceipt);
builder.Add(Constants.QueryConstants.VisibilityTimeout, visibilityTimeoutInSeconds.ToString(CultureInfo.InvariantCulture));
HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Put, uri, timeout, builder, useVersionHeader, operationContext);
return request;
}
internal static Tuple<HttpWebRequest, Stream> BuildRequestForTableOperation(Uri uri, UriQueryBuilder builder, IBufferManager bufferManager, int? timeout, TableOperation operation, bool useVersionHeader, OperationContext ctx, TableRequestOptions options, string accountName)
{
HttpWebRequest msg = BuildRequestCore(uri, builder, operation.HttpMethod, timeout, useVersionHeader, ctx);
TablePayloadFormat payloadFormat = options.PayloadFormat.Value;
// Set Accept and Content-Type based on the payload format.
SetAcceptHeaderForHttpWebRequest(msg, payloadFormat);
Logger.LogInformational(ctx, SR.PayloadFormat, payloadFormat);
if (operation.HttpMethod != "HEAD" && operation.HttpMethod != "GET")
{
SetContentTypeForHttpWebRequest(msg, payloadFormat);
}
if (operation.OperationType == TableOperationType.InsertOrMerge || operation.OperationType == TableOperationType.Merge)
{
options.AssertNoEncryptionPolicyOrStrictMode();
// post tunnelling
msg.Headers.Add("X-HTTP-Method", "MERGE");
}
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
if (operation.Entity.ETag != null)
{
msg.Headers.Add("If-Match", operation.Entity.ETag);
}
}
// prefer header
if (operation.OperationType == TableOperationType.Insert)
{
msg.Headers.Add("Prefer", operation.EchoContent ? "return-content" : "return-no-content");
}
if (operation.OperationType == TableOperationType.Insert ||
operation.OperationType == TableOperationType.Merge ||
operation.OperationType == TableOperationType.InsertOrMerge ||
operation.OperationType == TableOperationType.InsertOrReplace ||
operation.OperationType == TableOperationType.Replace)
{
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = TableConstants.ODataProtocolVersion // set the Odata version to use when writing the entry
};
HttpWebRequestAdapterMessage adapterMsg = new HttpWebRequestAdapterMessage(msg, bufferManager);
if (operation.HttpMethod != "HEAD" && operation.HttpMethod != "GET")
{
SetContentTypeForAdapterMessage(adapterMsg, payloadFormat);
}
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings, new TableStorageModel(accountName));
ODataWriter writer = odataWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, writer, options);
return new Tuple<HttpWebRequest, Stream>(adapterMsg.GetPopulatedMessage(), adapterMsg.GetStream());
}
return new Tuple<HttpWebRequest, Stream>(msg, null);
}
/// <summary>
/// Constructs a web request to update a message.
/// </summary>
/// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the message to update.</param>
/// <param name="timeout">The server timeout interval, in seconds.</param>
/// <param name="popReceipt">A string specifying the pop receipt of the message.</param>
/// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
/// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
/// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
public static HttpWebRequest DeleteMessage(Uri uri, int? timeout, string popReceipt, bool useVersionHeader, OperationContext operationContext)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add(Constants.QueryConstants.PopReceipt, popReceipt);
HttpWebRequest request = HttpWebRequestFactory.Delete(uri, builder, timeout, useVersionHeader, operationContext);
return request;
}
/// <summary>
/// Gets the container Uri query builder.
/// </summary>
/// <returns>A <see cref="UriQueryBuilder"/> for the container.</returns>
internal static UriQueryBuilder GetContainerUriQueryBuilder()
{
UriQueryBuilder uriBuilder = new UriQueryBuilder();
uriBuilder.Add(Constants.QueryConstants.ResourceType, "container");
return uriBuilder;
}
public UriQueryBuilder(UriQueryBuilder builder)
{
throw new System.NotImplementedException();
}
