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  • >> Go to dataminer.services

Unable to use ConnectApp WebAPI – unable to authenticate using Active Directory user

Solved924 views4th October 2023ConnectApp WebService
0
Bing Herng Chong [SLC] [DevOps Advocate]1.06K 19th September 2023 0 Comments

Hi, at a user site we are experiencing difficulties with using the ConnectApp Web Services method.
DMA version being used for testing is v10.0.0 CU5.

In System Centre > Users/Groups:

  • The user is part of a group.
  • The group was added via Active Directory.
  • The group has been given all permissions (Administrator role)

In addition, the web.config file on DataMiner has been updated to uncomment the HttpGet and HttpPost protocols.

However we are observing the following results (each of them HTTP error 500):
NOTE: it is possible to log in using the ‘user1’ user via the Cube GUI.

Attempt #1:

# curl -X POST http://172.3.6.1/api/v1/soap.asmx --header "Content-Type: text/xml; charset=utf-8" --data @ConnectApp_1.xml

Contents of the ConnectApp_1.xml file:

<soapenv:Envelope xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/ xmlns:v1=http://www.skyline.be/api/v1>
<soapenv:Header/>
<soapenv:Body>
<v1:ConnectApp>
<!--Optional:-->
<v1:host>myHost</v1:host>
<!--Optional:-->
<v1:login>DOMAIN1\user1</v1:login>
<!--Optional:-->
<v1:password>password1</v1:password>
<!--Optional:-->
<v1:clientAppName>AppName</v1:clientAppName>
<!--Optional:-->
<v1:clientAppVersion>1.1.1</v1:clientAppVersion>
<!--Optional:-->
<v1:clientComputerName>hostname123</v1:clientComputerName>
</v1:ConnectApp>
</soapenv:Body>
</soapenv:Envelope>

Response from DMA:

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap=http://schemas.xmlsoap.org/soap/envelope/ xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance xmlns:xsd=http://www.w3.org/2001/XMLSchema>
<soap:Body>
<soap:Fault>
<faultcode>soap:Server</faultcode>
<faultstring>Unable to authenticate as user1</faultstring>
<detail/>
</soap:Fault>
</soap:Body>
</soap:Envelope>

Information events show: Authentication Failure. Connectoin did not authenticate. Computer hostname123 Application: AppName

Attempt #2

# curl -X POST http://172.3.6.1/api/v1/soap.asmx --header "Content-Type: text/xml; charset=utf-8" --data @ConnectApp_2.xml

Contents of ConnectApp_2 file:

<soapenv:Envelope xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/ xmlns:v1=http://www.skyline.be/api/v1>
<soapenv:Header/>
<soapenv:Body>
<v1:ConnectApp>
<!--Optional:-->
<v1:host>myHost</v1:host>
<!--Optional:-->
<v1:login>user1</v1:login>
<!--Optional:-->
<v1:password>password1</v1:password>
<!--Optional:-->
<v1:clientAppName>AppName</v1:clientAppName>
<!--Optional:-->
<v1:clientAppVersion>1.1.1</v1:clientAppVersion>
<!--Optional:-->
<v1:clientComputerName>hostname123</v1:clientComputerName>
</v1:ConnectApp>
</soapenv:Body>
</soapenv:Envelope>

Response from DMA:

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap=http://schemas.xmlsoap.org/soap/envelope/ xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance xmlns:xsd=http://www.w3.org/2001/XMLSchema>
<soap:Body>
<soap:Fault>
<faultcode>soap:Server</faultcode>
<faultstring>Cannot connect to the DMA; exception trapped: Failed getting the user info (user not found).</faultstring>
<detail/>
</soap:Fault>
</soap:Body>
</soap:Envelope>

In information events, no indication of errors or authentication failure.

Question 1: How should we be specifying the username in the POST body? With the domain or without the domain?
Question 2: Why is it that we are able to log in using the ‘user1’ user via the Cube GUI but through the WebAPI authentication fails?
Question 3: There are no lines in ActiveDirectory.txt providing details why the authentication is failing. Which log files captures WebAPI request attempts and responses?
Question 4: Using the same command above for Attempt #2 works for DMA v9.6 CU23 in the user's other environment.

Bing Herng Chong [SLC] [DevOps Advocate] Selected answer as best 4th October 2023

1 Answer

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1
Wim Bruynooghe [SLC] [DevOps Advocate]6.59K Posted 19th September 2023 2 Comments

A few things you could try:

  • On the server hosting the DMA, restart the IIS webserver (iisreset)
  • Can you login on the Monitoring app? (http://dma/m/)
  • The WebAPI connects to SLNet, so more logging can be found in the log file of SLNet
André Kaiser [DevOps Advocate] Posted new comment 17th February 2024
Bing Herng Chong [SLC] [DevOps Advocate] commented 20th September 2023

Hi Wim, thanks for the suggestions.

– Triggering iisreset did not make a difference.
– Attempts to log into http://dma/m results in the same error seen when using curl.
– I’ll increase the logging to (6) and see what I can find.

André Kaiser [DevOps Advocate] commented 17th February 2024

Hi Bing,
did you find anything in the SLNet logs?
I am facing a sporadic authentication failure issue with a user, that is normally able to authenticate. In case you found something it would be great what I would have to look for.

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