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82 lines
2.5 KiB
Lua
82 lines
2.5 KiB
Lua
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local datamanager = require "util.datamanager";
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local usermanager = require "core.usermanager";
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local new_sasl = require "util.sasl".new;
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local nodeprep = require "util.encodings".stringprep.nodeprep;
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local log = module._log;
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local host = module.host;
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-- define auth provider
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local provider = { name = "internal_plain" };
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log("debug", "initializing internal_plain authentication provider for host '%s'", host);
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function provider.test_password(username, password)
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log("debug", "test password '%s' for user %s at host %s", password, username, host);
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local credentials = datamanager.load(username, host, "accounts") or {};
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if password == credentials.password then
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return true;
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else
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return nil, "Auth failed. Invalid username or password.";
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end
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end
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function provider.get_password(username)
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log("debug", "get_password for username '%s' at host '%s'", username, host);
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return (datamanager.load(username, host, "accounts") or {}).password;
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end
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function provider.set_password(username, password)
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local account = datamanager.load(username, host, "accounts");
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if account then
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account.password = password;
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return datamanager.store(username, host, "accounts", account);
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end
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return nil, "Account not available.";
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end
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function provider.user_exists(username)
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local account = datamanager.load(username, host, "accounts");
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if not account then
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log("debug", "account not found for username '%s' at host '%s'", username, host);
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return nil, "Auth failed. Invalid username";
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end
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return true;
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end
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function provider.create_user(username, password)
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return datamanager.store(username, host, "accounts", {password = password});
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end
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function provider.delete_user(username)
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return datamanager.store(username, host, "accounts", nil);
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end
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function provider.get_sasl_handler()
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local getpass_authentication_profile = {
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plain = function(sasl, username, realm)
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local prepped_username = nodeprep(username);
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if not prepped_username then
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log("debug", "NODEprep failed on username: %s", username);
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return "", nil;
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end
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local password = usermanager.get_password(prepped_username, realm);
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if not password then
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return "", nil;
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end
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return password, true;
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end
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};
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return new_sasl(host, getpass_authentication_profile);
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end
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module:add_item("auth-provider", provider);
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