How to use SolrNet in a Solr that require authentication

[Lucas]

Hi, I'm trying to access the Solr via SolrNet but the WebServer where is the Solr is a Apache/TomCat and is configured to require authentication, so, when I try to access the Solr via SolrNet i receive the message:

"

HTTP Status 401 - Authentication required.

"

How can I do that on the better way?

Thanks.

[Mauricio Scheffer]

Hi Lucas, see https://code.google.com/p/solrnet/issues/detail?id=66

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Mauricio

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[Lucas]

Hi Mauricio,

I read it all but o could not implement the authentication... i see something like:

SolrNet.ISolrConnection connection = new SolrConnection("http://127.0.0.1:8080/solr"
            {
                HttpWebRequestFactory = new DemoHttpWebRequestFactory()
            };

But i could not implement it, i didn't understand, can you give me a example?

Thanks

[Mauricio Scheffer]

There's no such thing as DemoHttpWebRequestFactory. Please read the page to the end.

--

Mauricio

[Lucas]

Sorry, i read it all but i couldn't understand when can i do that...

I have in Global.asax:

         SolrNet.Startup.Init<Class>("address");

And when i do this in any page:

        var solr = ServiceLocator.Current.GetInstance<ISolrOperations<Class>>();

        SolrNet.SolrQueryResults<Class> result;

        result = solr.Query(new SolrQuery(query));

On the last line i receive the error... but i already read the page you send me but i couldn't understand how to do this work...

Can you help me?

[Daniel Pincas]

Hi Lucas,

We recently did something like this in a little app we're building. I believe you have to implement IHttpWebRequestFactory in your application. So something simple like:

public class YourSolrWebRequestFactory : IHttpWebRequestFactory

{

    public IHttpWebRequest Create(Uri url)

    {

        var webrequest = (HttpWebRequest)WebRequest.Create(url);

        var wrCache = new CredentialCache();

        wrCache.Add(url, "Basic", new NetworkCredential("yourusername", "yourpassword"));

        webrequest.Credentials = wrCache;

        return new HttpWebRequestAdapter(webrequest);

    }

}

Note that this example is using HTTP basic authentication. If you're connecting to your SOLR server via HTTPS this should be acceptable. In our situation we're using the Jetty servlet container that comes bundled with Solr.

Then in your global.asax:

var connection = new SolrConnection("https://your/solr/core");

connection.HttpWebRequestFactory = new YourSolrWebRequestFactory();

Startup.Init<YourSolrViewModel>(connection);

And that's it!

Cheers,

Dan

[Lucas]

Dan Picas, thank you very much! That worked! :)

[Mauricio Scheffer]

Hi guys, there's no need to write your own implementation of IHttpWebRequestFactory for basic auth anymore. As explained on the issue page, a BasicAuthHttpWebRequestFactory class is now included in SolrNet.

Cheers

--

Mauricio

[Landon Campbell]

Hey Dan,

How can you get this to work if you're using HAProxy in front of a SolrCloud? I'm still getting 401 using this method, but I'm guessing HAProxy isn't passing the credentials through?

Thanks,

Landon

[Pandurang Pailvan]

Hi Daniel Pincas,

Thanks a lot it helped me lot.

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[Long Trịnh]

Hi all,

Can Anyone help me to use basic authentication with SolrCloud? I cannot use SolrConnection for connect to zookeeper client. Thanks

var zookeeperConnectionString = "127.0.0.1:2181"; 

  var collectionName = "collection_name"; 

  Startup.Init<Product>(new SolrCloudStateProvider(zookeeperConnectionString), collectionName);

[Samuel Fung]

Dear Mauricio,

I use SolrNet.Microsoft.DependencyInjection. I've tried the following, but still have 401. Can you please give some hints how to inject BasicAuthHttpWebRequestFactory?

services.AddSolrNet<SolrDoc>("http://localhost:8983/solr/mycore");

services.AddSingleton<IHttpWebRequestFactory>(new BasicAuthHttpWebRequestFactory("solr", "SolrRocks"));

Regards,

Samuel

Mauricio Scheffer 在 2013年5月15日 星期三上午5:13:17 [UTC+8] 的信中寫道：

[Mauricio Scheffer]

Hi Samuel, use the setupAction parameter of the AddSolrNet method.

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Mauricio

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[Samuel Fung]

Thanks Mauricio. I've tried the following, still 401.

services.AddSolrNet<SolrDoc>("http://localhost:8983/solr/mycore", options =>

{

    var credentials = Convert.ToBase64String(Encoding.ASCII.GetBytes("solr:SolrRocks"));

    options.HttpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", credentials);

});

Mauricio Scheffer 在 2021年7月6日 星期二上午5:19:48 [UTC+8] 的信中寫道：

[Mauricio Scheffer]

Hi, this works for me, try using it as reference for your own code:

https://gist.github.com/mausch/a393e8922a642ffa826fc1243c4d7598

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Mauricio

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[Samuel Fung]

Hi,

Reading the src, I think basic auth with SolrCloud is not supported

https://github.com/SolrNet/SolrNet/blob/5ae7ee6dbe62e430e8c5156898b971f42af2dca3/CommonServiceLocator.SolrNet.Cloud/Startup.cs#L136

We can workaround by replacing ISolrOperationsProvider,

public class BasicAuthOperationsProvider : ISolrOperationsProvider

{

private string _user;

private string _password;

public BasicAuthOperationsProvider(string user, string password)

{

_user = user;

_password = password;

}

public ISolrBasicOperations<T> GetBasicOperations<T>(string url, bool isPostConnection = false)

{

var conn = new SolrConnection(url)

{

HttpWebRequestFactory = new BasicAuthHttpWebRequestFactory(_user, _password)

};

return SolrNet.SolrNet.GetBasicServer<T>(conn);

}

public ISolrOperations<T> GetOperations<T>(string url, bool isPostConnection = false)

{

var conn = new SolrConnection(url)

{

HttpWebRequestFactory = new BasicAuthHttpWebRequestFactory(_user, _password)

};

return SolrNet.SolrNet.GetServer<T>(conn);

}

}

SolrNet.Cloud.Startup.InitAsync<SolrDoc>(new SolrCloudStateProvider("localhost:9983"), "nextore").Wait();

SolrNet.Startup.Container.Remove<ISolrOperationsProvider>();

SolrNet.Startup.Container.Register<ISolrOperationsProvider>(c => new BasicAuthOperationsProvider("solr", "SolrRocks"));

var solr = ServiceLocator.Current.GetInstance<ISolrOperations<SolrDoc>>();

trinh...@gmail.com 在 2021年2月9日 星期二下午5:28:29 [UTC+8] 的信中寫道：

[Samuel Fung]

Thanks Mauricio, finally I figure out only async method can use basic auth.

https://github.com/SolrNet/SolrNet/issues/402#issuecomment-380716841

Mauricio Scheffer 在 2021年7月16日 星期五上午7:04:26 [UTC+8] 的信中寫道：