Downloading a file using http basic authentication

[sivak...@gmail.com]

Hi,

I need to download a file (a pdf file which we have generated in RMP) from RMP using HTTP basic authentication. Can we do it?

Thank you!

Regards,
Siva

[thoshino]

Hi,

Yes, you can.

Just request a GET request to the file URL and you should be able to download.

Best regards,

Taka

[sivak...@gmail.com]

Hi Taka,

Thanks for your Reply. Since we have configured SAML for our authentication, we are not able to use simple http authentication to fetch the private files. I am looking at the options to use SAML from my application which reads the RMP files. I will let you know if I need any more help.

Thank you!

Regards,
Siva

[thoshino]

Hi Siva,

You should still be able to use Basic auth to get files, regardless of account setting (Saml or Google).

Best regards,

Taka

[Sivakumar Venkatachalam]

Hi Taka,

I am getting HTTP Status 401 Unauthorized. Here is the Java code I have (using Apache HttpClient library):

String urlString = "https://live.runmyprocess.com/live/2215365968/upload/628fe150-399e-11e4-88ca-22000b411df2/LIVE_2016_1410431188603_nomination_nominatorview.pdf?method=GET";
String fileName = "C:/rmp_file.pdf";

CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials(new AuthScope("https://live.runmyprocess.com/", 443), new UsernamePasswordCredentials("sivak...@gmail.com", "xxxxxxxx"));
CloseableHttpClient httpclient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();
try {
            HttpGet httpget = new HttpGet(urlString);
            System.out.println("Executing request " + httpget.getRequestLine());
            CloseableHttpResponse response = httpclient.execute(httpget);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                byte[] ba = EntityUtils.toByteArray(response.getEntity());
                FileOutputStream fos = new FileOutputStream(fileName);
                int baLength = ba.length;
                fos.write(ba, 0, baLength);
                fos.flush();
                fos.close();
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }

Regards,
Siva

--
A ship is safe in harbor, but that's not what ships are built for - William Shedd

[thoshino]

Hi,

I cannot debug the Java code, but I can make it work with a REST tool as attached screenshot.

To be sure, I logged out of RMP for sure, then executed this HTTP request and I can get the data, pdf is readable.

Can you try the URL without the "?method" parameter?

Best regards,

Taka

[Pray Desai]

Hi Siva,

As mentioned by Taka in previous thread, there is no issue with your SSO as RunMyProcess APIs are accessible with an admin's RunMyProcess email:password encoded in Base64. It seems you haven't encoded your credentials. You can see highlighted Auth Headers in Taka's screenshot earlier.

Anyways, here is a working sample Java code to download a file from RunMyProcess. Although, logic to generate file is different from yours, feel free to refer it or re-use it.

import java.io.ByteArrayOutputStream;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.URL;

import javax.net.ssl.HttpsURLConnection;

import org.apache.commons.codec.binary.Base64;

public class GetFile {

private static String FILE_URL="https://live.runmyprocess.com/live/123/upload/123/filename.ext";

private static String USERNAME="";

private static String PASSWORD="";

public static void main(String[] args) {

GetFile g = new GetFile();

g.download();

}

public void download() { 

try { 

URL url = new URL(FILE_URL); 

HttpsURLConnection connection = (HttpsURLConnection)url.openConnection(); 

connection.setRequestMethod("GET"); 

String plainCreds = USERNAME+":"+PASSWORD;

byte[] plainCredsBytes = plainCreds.getBytes();

byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes);

String encoding = new String(base64CredsBytes);

connection.setRequestProperty("Authorization", (new StringBuilder()).append("Basic ").append(encoding).toString()); 

 InputStream is = connection.getInputStream();

 InputStreamReader in = new InputStreamReader(is);

 ByteArrayOutputStream out = new ByteArrayOutputStream();

 byte[] buf = new byte[1024];

 int ByteRead,ByteWritten=0;

 

  while ((ByteRead = is.read(buf)) != -1) {

            out.write(buf, 0, ByteRead);

            ByteWritten += ByteRead;

        }

 

 out.close();

 in.close();

 byte[] response = out.toByteArray();

 

 String file_tokens[] = FILE_URL.split("/");

 String file_name = file_tokens[file_tokens.length-1];

 FileOutputStream fos = new FileOutputStream(file_name);

 fos.write(response);

 fos.close();

   

 System.out.println("Finished");

}

 catch(Exception e) 

{ 

e.printStackTrace(); 

} 

}

}

----------------

Regards,

Pray Desai,

Fujitsu RunMyProcess.

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[sivak...@gmail.com]

Hi Taka and Payal

Thank you so much for your help!! It works fine now.

Regards,
Siva