Yes, we don't put these things in here, we put them in here.
[prosody.git] / core / usermanager.lua
index e38acc87d0527d2cb72db891cec0c6df1989bcde..808faf71797b5f71eb97b534a52d54138fa0d9e0 100644 (file)
@@ -2,22 +2,57 @@
 require "util.datamanager"
 local datamanager = datamanager;
 local log = require "util.logger".init("usermanager");
+local error = error;
+local hashes = require "util.hashes";
 
 module "usermanager"
 
-function validate_credentials(host, username, password)
+function validate_credentials(host, username, password, method)
        log("debug", "User '%s' is being validated", username);
        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
+       if not hashes.md5 then
+               return nil, "Server misconfiguration, the md5 library is not available.";
+       end
+       -- make credentials md5
+       local pwd = credentials.password;
+       if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd); end
+       -- make password md5
+       if method == "PLAIN" then
+               password = hashes.md5(password or "");
+       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 user_exists(username, host)
-       return datamanager.load(username, host, "accounts") ~= nil;
+       return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
 end
 
 function create_user(username, password, host)
        return datamanager.store(username, host, "accounts", {password = password});
 end
 
-return _M;
\ No newline at end of file
+function get_supported_methods(host)
+       local methods = {["PLAIN"] = true}; -- TODO this should be taken from the config
+       if hashes.md5 then
+               methods["DIGEST-MD5"] = true;
+       end
+       return methods;
+end
+
+return _M;