Authentication for Stream Analytics REST Api

Hi there,
I am trying to use the stream analytics rest api from a java client. For other services (storage services for example), I am able to successfully use mutual certificate authorization. I create a management certificate using keytool and upload it through
the settings tab in azure portal. I then create an SSLContext from this certificate. This all works and I am able to get access to the storage services api.
The same flow does not seem to work for stream analytics api. When attempting to make an api call, I get 401 error code with the following response authorization header.
GET https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.StreamAnalytics/streamingjobs?api-version=2014-10-01-preview
WWW-Authenticate=[Bearer authorization_uri="https://login.windows.net/{...}", error="invalid_token", error_description="The access token is missing or invalid."]
The result is the same whether or not I configure the certificate on the client side. So, it seems like the mutual certificate authorization is not supported in stream analytics as it is in the other management APIs. Can you confirm if this feature is not
supported? If it is not supported, can you please provide some information on how we should be authenticating for stream analytics REST api?
Thanks

I did some more investigating. The Azure Stream Analytics REST Api documentation uses
https://management.azure.com/
as the base uri for managing stream analytics service. The .NET azure sdk source code on github, however, uses
https://management.core.windows.net/
for the same. So, I have tried accessing some different variations of resources.
https://management.core.windows.net/{my subscription id}/services/storageservices
Response: 200 OK
Here, I am using mutual certificate authorization to successfully reach storage services at management.core.windows.net. This verifies that the certificate authorization flow works for other services in the same subscription.
https://management.azure.com/subscriptions/{my subscription id}/resourcegroups/StreamAnalytics-Default-Central-US/providers/Microsoft.StreamAnalytics/streamingjobs?api-version=2014-10-01-preview
Response: 401 Unauthorized
Message: {"error":{"code":"AuthenticationFailed","message":"Authentication failed. The 'Authorization' header is not present or provided in an invalid format."}}
Now I attempt to use the same mutual certificate authorization on the management.azure.com base uri for stream analytics management. The request fails and the error message notes that an expected Authorization header is missing. This leads me to
believe that mutual certificate authorization is not supported on management.azure.com.
The Authorization header makes sense for OAuth2 flow, so I am thinking that management.azure.com
might only support OAuth2. I need server to server management, so OAuth2 flow will not work because it requires interactive browser redirect to work with management api. Active
Directory only gives delegate permissions to management services, not application permissions. I believe this rules out using OAuth2 / Active Directory for headless
authorization - please correct me if I am wrong.
https://management.core.windows.net/subscriptions/{my subscription id}/resourcegroups/StreamAnalytics-Default-Central-US/providers/Microsoft.StreamAnalytics/streamingjobs?api-version=2014-10-01-preview
Response: 403 Forbidden
Message: <Error xmlns="http://schemas.microsoft.com/windowsazure" xmlns:i="http://www.w3.org/2001/XMLSchema-instance"><Code>ForbiddenError</Code><Message>The server failed to authenticate
the request. Verify that the certificate is valid and is associated with this subscription.</Message></Error>
Here I try to use the mangagement.core.windows.net base uri that is used in .net sdk. I get a 403 forbidden response. The error message indicates that the server attempted to complete the mutual certificate authorization. The server complains, though,
that the certificate is invalid. This is the same certificate used successfully to manage storage services, so I know the certificate is valid and the client flow works.
It would be great if someone could expand on the discrepancy between the base uri in the documentation vs .net sdk and provide some guidance on server to server authorization to stream analytics management api.
Thanks,
Dave

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Reken Liu
TechNet Community Support
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[email protected].

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Hi Victor,
For called the REST API, I suggest you can use
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Regards,
Will
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Rest api to list all azure subscriptions under a particular azure account

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Will
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ASA CX Restful API

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/// A helper function to invoke a Service Management REST API operation.
/// Throws an ApplicationException on unexpected status code results.
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/// <param name="method">The method of the web request, GET, PUT, POST, or DELETE.</param>
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/// <param name="responseBody">The XML body returned by the request, if any.</param>
/// <returns>The requestId returned by the operation.</returns>
public static
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Uri uri,
string method,
HttpStatusCode expectedCode,
XDocument requestBody,
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string version,
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response = (HttpWebResponse)request.GetResponse();
<Error xmlns="http://schemas.microsoft.com/windowsazure" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<Code>BadRequest</Code>
<Message>The specified configuration settings for Settings are invalid. Verify that the service configuration file is a valid XML file, and that role instance counts are specified as positive integers.</Message>
</Error>
Any help is appreciated.
Thanks,
Shubhendu

Please find the request XML I have found it in debug mode
<CreateDeployment xmlns="http://schemas.microsoft.com/windowsazure">
<Name>742d0a5e-2a5d-4bd0-b4ac-dc9fa0d69610</Name>
<PackageUrl>http://shubhendustorage.blob.core.windows.net/shubhendustorage/WindowsAzure1.cspkg</PackageUrl>
<Label>QXp1cmVFY295c3RlbURlcGxveW1lbnQ=</Label>
<Configuration>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</Configuration>
<StartDeployment>true</StartDeployment>
<TreatWarningsAsError>false</TreatWarningsAsError>
</CreateDeployment>
Shubhendu G

Streaming basics - reading large file from RESTful API

Hey all -
My command of PowerShell is pretty rudimentary, though I have written a number of scripts. In a recent example, I was trying to redirect the output of my firm's RESTful API - a small .txt file - into a file, using | out-file <path and
file>. THat worked
just fine. However, when I tried to do this with a docx or pdf file, the result was that I ended up with a small file that was
unopenable.
I gather what I need to do is stream the content to a file, but I can't quite see how that is done in Powershell. The files might be
many MB in size and take upwards of 30 seconds to transfer.
Any basic guidance on how to approach this would be appreciated. Thanks -
Paul
Paul

Oh so close!
I'm getting hung up on how to create and pass the session object itself.
My first command,
Invoke-RestMethod -Uri
<apiKey>9588060291......</apiKey><email>...</email><password>...</password><endOtherSessions>T</endOtherSessions></createSession">https://test.lofco.com/v1/ILCGLServices/session?method=CREATE"&"client=DEV-TEST"&"xml=<createSession><apiKey>9588060291......</apiKey><email>...</email><password>...</password><endOtherSessions>T</endOtherSessions></createSession>
-SessionVariable s -Outfile 'c:\LofCo\Demos\API Code Samples\XML\Output\createsession_response.xml'
returns successfully; I can see in the output file the session ID. I was hoping this was captured in the variable s via the -SessionVariable approach, but when I run the second command:
Invoke-RestMethod -Uri
<acceptSplash>T</acceptSplash></workspaceEntryRequest">https://test.lofco.com/services/workspaces/entry?client=DEV-TEST"&"workspaceId=226691"&"method=CREATE"&"xml=<workspaceEntryRequest><acceptSplash>T</acceptSplash></workspaceEntryRequest>
-WebSession $s -Method Post -Outfile 'C:\LofCo\Demos\API Code Samples\XML\Output\enterexchange_response.xml'
I get a 403 error indicating the session has expired or is otherwise invalid. I'm clearly confused as to how to capture this session and pass it along...
Any pointers on that piece? And thanks for your previous assistance.
Paul
Paul

Flex: How to send Microphone Stream Audio data to a Rest API

Hi,
I needed to capture audio via a microphone and then sent ths instantanesouly to a REST API for processing. I do not want to use a media server.
So is it possible to send instataenous audio stream data to my custom servers.
Thanks,
Karan

well i tried this once for one of my scripts and the final conclusion is its not possible to combine two streams into 1.....how would you time/encode the two voices......there is no know solution to this in flash. If you continue on despite me and find a solution please post it so we can explain to rest of world.

Enabling Authentication on REST API

How is authentication (basic, certificate) enabled on an APIMGMT REST API?
In the portal there is client sample code for various languages including C# that includes code to add authentication headers. However, this code is commented out.
Basic Authorization Sample
client.DefaultRequestHeaders.Authorization
=
new AuthenticationHeaderValue("basic", Convert.ToBase64String(Encoding.UTF8.GetBytes("{username}:{password}")));
How is basic authentication enabled so that this code can be uncommented?
Frank

hi Frank,
Base on my experience, you need enable the basic authentication in this page:
Then you can uncomment this code and input the username and pwasword. Please try it.
Any concerns, please let me know.
Regards,
Will
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