public void ExtractQuryParametersTests()
{
Assert.IsNull(HttpParsingHelper.ExtractQuryParameters("a/bb/ccc/dddd"));
Assert.IsNull(HttpParsingHelper.ExtractQuryParameters("a/bb/ccc/dddd?"));
Assert.IsNull(HttpParsingHelper.ExtractQuryParameters("a/bb/ccc/dddd?#x=y"));
AssertQueryParametersAreValid(HttpParsingHelper.ExtractQuryParameters("a/bb/ccc/dddd?x"), "x", null);
AssertQueryParametersAreValid(HttpParsingHelper.ExtractQuryParameters("a/bb/ccc/dddd?x#y=z"), "x", null);
AssertQueryParametersAreValid(HttpParsingHelper.ExtractQuryParameters("/a/bb/ccc/dddd?x=&w=z"), "x", string.Empty, "w", "z");
AssertQueryParametersAreValid(HttpParsingHelper.ExtractQuryParameters("/a/bb/ccc/dddd?x=y&w=z"), "x", "y", "w", "z");
AssertQueryParametersAreValid(HttpParsingHelper.ExtractQuryParameters("/a/bb/ccc/dddd?x=y&w=z#0=1"), "x", "y", "w", "z");
AssertQueryParametersAreValid(HttpParsingHelper.ExtractQuryParameters("/a/bb/ccc/dddd/?x=y&w=z#0=1"), "x", "y", "w", "z");
}
/// <summary>
/// Tries parsing given dependency telemetry item.
/// </summary>
/// <param name="httpDependency">Dependency item to parse. It is expected to be of HTTP type.</param>
/// <returns><code>true</code> if successfully parsed dependency.</returns>
internal static bool TryParse(ref DependencyTelemetry httpDependency)
{
string name = httpDependency.Name;
string host = httpDependency.Target;
string url = httpDependency.Data;
if (name == null || host == null || url == null)
{
return(false);
}
if (!HttpParsingHelper.EndsWithAny(host, AzureBlobHostSuffixes))
{
return(false);
}
////
//// Blob Service REST API: https://msdn.microsoft.com/en-us/library/azure/dd135733.aspx
////
string account = host.Substring(0, host.IndexOf('.'));
string verb;
string nameWithoutVerb;
// try to parse out the verb
HttpParsingHelper.ExtractVerb(name, out verb, out nameWithoutVerb, AzureBlobSupportedVerbs);
List <string> pathTokens = HttpParsingHelper.TokenizeRequestPath(nameWithoutVerb);
string container = null;
string blob = null;
if (pathTokens.Count == 1)
{
container = pathTokens[0];
}
else if (pathTokens.Count > 1)
{
Dictionary <string, string> queryParameters = HttpParsingHelper.ExtractQuryParameters(url);
string resType;
if (queryParameters == null || !queryParameters.TryGetValue("restype", out resType) ||
!string.Equals(resType, "container", StringComparison.OrdinalIgnoreCase))
{
// if restype != container then the last path entry is blob name
blob = pathTokens[pathTokens.Count - 1];
httpDependency.Properties["Blob"] = blob;
pathTokens.RemoveAt(pathTokens.Count - 1);
}
container = string.Join("/", pathTokens);
}
if (container != null)
{
httpDependency.Properties["Container"] = container;
}
// This is very naive overwriting of Azure Blob dependency that is compatible with the today's implementation
//
// Possible improvements:
//
// 1. Use specific name for specific operations. Like "Lease Blob" for "?comp=lease" query parameter
// 2. Use account name as a target instead of "account.blob.core.windows.net"
httpDependency.Type = RemoteDependencyConstants.AzureBlob;
httpDependency.Name = string.IsNullOrEmpty(verb) ? account : verb + " " + account;
return(true);
}
