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authorMatthew Wild <mwild1@gmail.com>2010-05-05 01:05:58 +0100
committerMatthew Wild <mwild1@gmail.com>2010-05-05 01:05:58 +0100
commit95eb788b3ee760d5677f48dbfcc8fd02b54d1a85 (patch)
tree149dff9d4d35c816de9995ba4881c10872efbc0a /core
parent1331d1dbbe855459ece589021a548559d4b27720 (diff)
downloadprosody-95eb788b3ee760d5677f48dbfcc8fd02b54d1a85.tar.gz
prosody-95eb788b3ee760d5677f48dbfcc8fd02b54d1a85.zip
usermanager: Support for pluggable authentication providers
Diffstat (limited to 'core')
-rw-r--r--core/usermanager.lua131
1 files changed, 83 insertions, 48 deletions
diff --git a/core/usermanager.lua b/core/usermanager.lua
index 8d7270c2..6e4d117e 100644
--- a/core/usermanager.lua
+++ b/core/usermanager.lua
@@ -16,82 +16,117 @@ local jid_bare = require "util.jid".bare;
local config = require "core.configmanager";
local hosts = hosts;
+local prosody = _G.prosody;
+
module "usermanager"
-local function is_cyrus(host) return config.get(host, "core", "sasl_backend") == "cyrus"; end
+local new_default_provider;
-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 {};
+prosody.events.add_handler("host-activated", function (host)
+ local host_session = hosts[host];
+ host_session.events.add_handler("item-added/auth-provider", function (provider)
+ if config.get(host, "core", "authentication") == provider.name then
+ host_session.users = provider;
+ end
+ end);
+ host_session.events.add_handler("item-removed/auth-provider", function (provider)
+ if host_session.users == provider then
+ host_session.users = new_default_provider(host);
+ end
+ end);
+ host_session.users = new_default_provider(host); -- Start with the default usermanager provider
+end);
+
+local function is_cyrus(host) return config.get(host, "core", "sasl_backend") == "cyrus"; end
- if method == nil then method = "PLAIN"; end
- if method == "PLAIN" and credentials.password then -- PLAIN, do directly
+function new_default_provider(host)
+ local provider = {};
+
+ function provider.test_password(username, password)
+ 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;
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.";
+
+ function provider.get_password(username)
+ if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
+ return (datamanager.load(username, host, "accounts") or {}).password;
end
+
+ function provider.set_password(username, 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 provider.user_exists(username)
+ if is_cyrus(host) then return true; end
+ return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
+ end
+
+ function provider.create_user(username, password)
+ 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 provider.get_supported_methods()
+ return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config
+ end
+
+ function provider.is_admin(jid)
+ 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 provider;
+end
+
+function validate_credentials(host, username, password, method)
+ return hosts[host].users.test_password(username, password);
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
+ return hosts[host].users.get_password(username);
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.";
+ return hosts[host].users.set_password(username, password);
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
+ return hosts[host].users.user_exists(username);
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});
+ return hosts[host].users.create_user(username, password);
end
function get_supported_methods(host)
- return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config
+ return hosts[host].users.get_supported_methods();
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;
+ return hosts[host].users.is_admin(jid);
end
return _M;