Merge 0.7->trunk

[prosody.git] / core / usermanager.lua

diff --git a/core/usermanager.lua b/core/usermanager.lua
index c98a1918b6c2e04a40fa490851b78d45ef9aba77..8d7270c2e59ee797341b87f0839931de88bbf162 100644 (file)
--- a/core/usermanager.lua
+++ b/core/usermanager.lua
@@ -1,11 +1,97 @@
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
 
-require "util.datamanager"
-local datamanager = datamanager;
+local datamanager = require "util.datamanager";
+local log = require "util.logger".init("usermanager");
+local type = type;
+local error = error;
+local ipairs = ipairs;
+local hashes = require "util.hashes";
+local jid_bare = require "util.jid".bare;
+local config = require "core.configmanager";
+local hosts = hosts;
 
 module "usermanager"
 
-function validate_credentials(host, username, password)
+local function is_cyrus(host) return config.get(host, "core", "sasl_backend") == "cyrus"; end
+
+function validate_credentials(host, username, password, method)
+       log("debug", "User '%s' is being validated", username);
+       if is_cyrus(host) then return nil, "Legacy auth not supported with Cyrus SASL."; end
        local credentials = datamanager.load(username, host, "accounts") or {};
-       if password == credentials.password then return true; end
-       return false;
+
+       if method == nil then method = "PLAIN"; end
+       if method == "PLAIN" and credentials.password then -- PLAIN, do directly
+               if password == credentials.password then
+                       return true;
+               else
+                       return nil, "Auth failed. Invalid username or password.";
+               end
+  end
+       -- must do md5
+       -- make credentials md5
+       local pwd = credentials.password;
+       if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd, true); end
+       -- make password md5
+       if method == "PLAIN" then
+               password = hashes.md5(password or "", true);
+       elseif method ~= "DIGEST-MD5" then
+               return nil, "Unsupported auth method";
+       end
+       -- compare
+       if password == pwd then
+               return true;
+       else
+               return nil, "Auth failed. Invalid username or password.";
+       end
+end
+
+function get_password(username, host)
+       if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
+       return (datamanager.load(username, host, "accounts") or {}).password
+end
+function set_password(username, host, password)
+       if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
+       local account = datamanager.load(username, host, "accounts");
+       if account then
+               account.password = password;
+               return datamanager.store(username, host, "accounts", account);
+       end
+       return nil, "Account not available.";
+end
+
+function user_exists(username, host)
+       if is_cyrus(host) then return true; end
+       return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
 end
+
+function create_user(username, password, host)
+       if is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end
+       return datamanager.store(username, host, "accounts", {password = password});
+end
+
+function get_supported_methods(host)
+       return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config
+end
+
+function is_admin(jid, host)
+       host = host or "*";
+       local admins = config.get(host, "core", "admins");
+       if host ~= "*" and admins == config.get("*", "core", "admins") then
+               return nil;
+       end
+       if type(admins) == "table" then
+               jid = jid_bare(jid);
+               for _,admin in ipairs(admins) do
+                       if admin == jid then return true; end
+               end
+       elseif admins then log("warn", "Option 'admins' for host '%s' is not a table", host); end
+       return nil;
+end
+
+return _M;