Http Basic Authentication for localhost(apache server)

[naveen yadav]

hi ranchers ,

i have tried to access a resource located on Apache-Coyote server on my localhost:8080. The server requires me to authenticate with credentials with Basic scheme.
WWW-Authenticate :Basic realm="Tomcat Manager Application".

i have gone throught the RFC for HTTP Basic authentication , whcih state that a

Authorization requst header field is to be set with appropriate credentials(user_name and password)

ok. i can do that by

 connection.setRequestProperty("Authorization :", "Basic nav:111");

Further it state that

To receive authorization, the client sends the userid and password, separated by a single colon (":") character, within a base64
encoded string in the credentials.

now it seems that "Basic nav:111" string is to be encoded in base64.

but how can i do that ?

[Jaikiran Pai]

naveen yadav wrote:

now it seems that "Basic nav:111" string is to be encoded in base64.

but how can i do that ?

There are many libraries out there which have an API to help you convert the string to a base64 string. A google search for base64 java library will show up some of them.

[naveen yadav]

Thanks Jaikiran Pai. i'm using the Apache's common-codec library for Base64 encoding.

But still getting the 401:unauthorized error

here is code running in Eclipse

static void setRequestHeaders(HttpURLConnection con){
                          con.addRequestProperty("Accept", "text/html");
			con.addRequestProperty("Accept-Charset", "iso-8859-5,UTF-8");
			con.addRequestProperty("Accept-Encoding", "x-compress");
			con.addRequestProperty("Accept-Language", "en-US");
			con.addRequestProperty("Host", "localhost");
			con.addRequestProperty("User-Agent", "navlabs");
			con.addRequestProperty("Except", "100-continue");
                        con.setAllowUserInteraction(true);     
			
                         //-------------------code for authentication 
			String authString = encodeAuthSting("nav:111");
			con.setRequestProperty("Authorization :", "Basic "+authString);

			
}

and

private static String encodeAuthSting(String originalStr) {
			
			byte[] encoded = Base64.encodeBase64(originalStr.getBytes());
			String encodedString = new String(encoded);
			System.out.println("Base64 Encoded String : " + encodedString);

			
			return encodedString;
}