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Best way for login authentication

 
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I'm making a chat program and I want the user to have to login. I figure the username/password would be sent to the server where it will check a file to see if that username/password is in the file. If so let them login. I differentiated a login with username/password from a message being sent by the first couple letters of the string being something like 'login1234' or something. The obvious downside is if a user sends a message that begins with 'login1234'

How do you guys take care of this?
 
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The way some chat clients handle something like this is to have commands, prefixed by a "/" or ":" or whatever.
 
James Hambrick
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thanks
 
James Hambrick
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Okay I am still working on this login thing for the chatsoftware. I have the client sending the login reguest, the server authenticating it, but I cannot seem to figure out how to get the server to send an "accpeted" response. Here my fill code.

Client


Server


















 
David Newton
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Is that thing you're printing to System.out supposed to go to the client instead?
 
James Hambrick
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David Newton wrote:Is that thing you're printing to System.out supposed to go to the client instead?





No, "loginaccepted" is supposed to be sent to the client.
 
James Hambrick
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got that part working. Now I'm going to have it search through a file to the username/password. Then send to everyone(all the clients) the new user that connected so it can be added to the JList.
 
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