./ct_report/coverage/mongoose_gen_auth.COVER.html

1 %%% @doc Behaviour and API for authentication backends
2 -module(mongoose_gen_auth).
3
4 -export([start/2,
5 stop/2,
6 config_spec/1,
7 supports_sasl_module/3,
8 authorize/2,
9 check_password/5,
10 check_password/7,
11 set_password/5,
12 try_register/5,
13 get_registered_users/4,
14 get_registered_users_number/4,
15 get_password/4,
16 get_password_s/4,
17 does_user_exist/4,
18 supported_features/1,
19 remove_user/4,
20 remove_domain/3]).
21
22 -ignore_xref([behaviour_info/1]).
23
24 -import(mongoose_lib, [is_exported/3]).
25
26 -type t() :: module().
27 -export_type([t/0]).
28
29 %% Mandatory callbacks
30
31 -callback start(HostType :: mongooseim:host_type()) -> ok.
32
33 -callback stop(HostType :: mongooseim:host_type()) -> ok.
34
35 -callback config_spec() -> mongoose_config_spec:config_section().
36
37 -callback supports_sasl_module(HostType :: mongooseim:host_type(),
38 Module :: cyrsasl:sasl_module()) ->
39 boolean().
40
41 -callback does_user_exist(HostType :: mongooseim:host_type(),
42 User :: jid:luser(),
43 Server :: jid:lserver()) ->
44 boolean() | {error, atom()}.
45
46 %% credentials already contain host type
47 -callback authorize(mongoose_credentials:t()) -> {ok, mongoose_credentials:t()}
48 | {error, any()}.
49
50 %% Optional callbacks
51
52 -callback try_register(HostType :: mongooseim:host_type(),
53 User :: jid:luser(),
54 Server :: jid:lserver(),
55 Password :: binary()) ->
56 ok | {error, exists | not_allowed | term()}.
57
58 -callback get_registered_users(HostType :: mongooseim:host_type(),
59 Server :: jid:lserver(),
60 Opts :: list()) ->
61 [jid:simple_bare_jid()].
62
63 -callback get_registered_users_number(HostType :: mongooseim:host_type(),
64 Server :: jid:lserver(),
65 Opts :: list()) ->
66 non_neg_integer().
67
68 -callback get_password(HostType :: mongooseim:host_type(),
69 User :: jid:luser(),
70 Server :: jid:lserver()) ->
71 ejabberd_auth:passterm() | false.
72
73 -callback get_password_s(HostType :: mongooseim:host_type(),
74 User :: jid:luser(),
75 Server :: jid:lserver()) ->
76 binary().
77
78 -callback set_password(HostType :: mongooseim:host_type(),
79 User :: jid:luser(),
80 Server :: jid:lserver(),
81 Password :: binary()) ->
82 ok | {error, not_allowed | invalid_jid | user_not_found}.
83
84 -callback remove_user(HostType :: mongooseim:host_type(),
85 User :: jid:luser(),
86 Server :: jid:lserver()) ->
87 ok | {error, not_allowed}.
88
89 -callback remove_domain(HostType :: mongooseim:host_type(), Server :: jid:lserver()) ->
90 ok | {error, term()}.
91
92 -callback supported_features() -> [Feature::atom()].
93
94 %% Implementation of check_password callbacks is required
95 %% for the corresponding check_password interfaces of ejabberd_auth module.
96 %%
97 %% With the help of ejabberd_auth:authorize_with_check_password/2 function,
98 %% these callbacks can be reused to simplify implementation of the M:authorize/1 interface.
99 -callback check_password(HostType :: mongooseim:host_type(),
100 LUser :: jid:luser(),
101 LServer :: jid:lserver(),
102 Password :: binary()) -> boolean().
103
104 -callback check_password(HostType :: mongooseim:host_type(),
105 LUser :: jid:luser(),
106 LServer :: jid:lserver(),
107 Password :: binary(),
108 Digest :: binary(),
109 DigestGen :: fun()) -> boolean().
110
111 %% See the API function definitions below for default values
112 -optional_callbacks([config_spec/0,
113 try_register/4,
114 get_registered_users/3,
115 get_registered_users_number/3,
116 get_password/3,
117 get_password_s/3,
118 set_password/4,
119 remove_user/3,
120 remove_domain/2,
121 supported_features/0,
122 check_password/4,
123 check_password/6]).
124
125 -include("mongoose_config_spec.hrl").
126
127 %% API
128
129 -spec start(ejabberd_auth:authmodule(), mongooseim:host_type()) -> ok.
130 start(Mod, HostType) ->
131 544 Mod:start(HostType).
132
133 -spec stop(ejabberd_auth:authmodule(), mongooseim:host_type()) -> ok.
134 stop(Mod, HostType) ->
135 1 Mod:stop(HostType).
136
137 -spec config_spec(ejabberd_auth:authmodule()) -> mongoose_config_spec:config_section().
138 config_spec(Mod) ->
139 1818 case is_exported(Mod, config_spec, 0) of
140 1414 true -> Mod:config_spec();
141 404 false -> #section{}
142 end.
143
144 -spec supports_sasl_module(ejabberd_auth:authmodule(), mongooseim:host_type(),
145 cyrsasl:sasl_module()) -> boolean().
146 supports_sasl_module(Mod, HostType, SASLModule) ->
147 87483 Mod:supports_sasl_module(HostType, SASLModule).
148
149 -spec does_user_exist(ejabberd_auth:authmodule(), mongooseim:host_type(),
150 jid:luser(), jid:lserver()) ->
151 boolean() | {error, atom()}.
152 does_user_exist(Mod, HostType, LUser, LServer) ->
153 7507 Mod:does_user_exist(HostType, LUser, LServer).
154
155 -spec authorize(ejabberd_auth:authmodule(), mongoose_credentials:t()) ->
156 {ok, mongoose_credentials:t()} | {error, any()}.
157 authorize(Mod, Creds) ->
158 3668 Mod:authorize(Creds).
159
160 -spec try_register(ejabberd_auth:authmodule(), mongooseim:host_type(),
161 jid:luser(), jid:lserver(), binary()) ->
162 ok | {error, exists | not_allowed | term()}.
163 try_register(Mod, HostType, LUser, LServer, Password) ->
164 3008 case is_exported(Mod, try_register, 4) of
165 3007 true -> Mod:try_register(HostType, LUser, LServer, Password);
166 1 false -> {error, not_allowed}
167 end.
168
169 -spec get_registered_users(ejabberd_auth:authmodule(), mongooseim:host_type(),
170 jid:lserver(), list()) ->
171 [jid:simple_bare_jid()].
172 get_registered_users(Mod, HostType, LServer, Opts) ->
173 254 case is_exported(Mod, get_registered_users, 3) of
174 254 true -> Mod:get_registered_users(HostType, LServer, Opts);
175 
:-(
 false -> []
176 end.
177
178 -spec get_registered_users_number(ejabberd_auth:authmodule(), mongooseim:host_type(),
179 jid:lserver(), list()) ->
180 non_neg_integer().
181 get_registered_users_number(Mod, HostType, LServer, Opts) ->
182 3236 case is_exported(Mod, get_registered_users_number, 3) of
183 3231 true -> Mod:get_registered_users_number(HostType, LServer, Opts);
184 5 false -> 0
185 end.
186
187 -spec get_password(ejabberd_auth:authmodule(), mongooseim:host_type(),
188 jid:luser(), jid:lserver()) ->
189 ejabberd_auth:passterm() | false.
190 get_password(Mod, HostType, LUser, LServer) ->
191 119 case is_exported(Mod, get_password, 3) of
192 119 true -> Mod:get_password(HostType, LUser, LServer);
193 
:-(
 false -> false
194 end.
195
196 -spec get_password_s(ejabberd_auth:authmodule(), mongooseim:host_type(),
197 jid:luser(), jid:lserver()) ->
198 binary().
199 get_password_s(Mod, HostType, LUser, LServer) ->
200 16 case is_exported(Mod, get_password_s, 3) of
201 16 true -> Mod:get_password_s(HostType, LUser, LServer);
202 
:-(
 false -> <<>>
203 end.
204
205 -spec set_password(ejabberd_auth:authmodule(), mongooseim:host_type(),
206 jid:luser(), jid:lserver(), binary()) ->
207 ok | {error, not_allowed | invalid_jid}.
208 set_password(Mod, HostType, LUser, LServer, Password) ->
209 9 case is_exported(Mod, set_password, 4) of
210 9 true -> Mod:set_password(HostType, LUser, LServer, Password);
211 
:-(
 false -> {error, not_allowed}
212 end.
213
214 -spec remove_user(ejabberd_auth:authmodule(), mongooseim:host_type(),
215 jid:luser(), jid:lserver()) ->
216 ok | {error, not_allowed}.
217 remove_user(Mod, HostType, LUser, LServer) ->
218 3006 case is_exported(Mod, remove_user, 3) of
219 3006 true -> Mod:remove_user(HostType, LUser, LServer);
220 
:-(
 false -> {error, not_allowed}
221 end.
222
223 -spec remove_domain(ejabberd_auth:authmodule(), mongooseim:host_type(), jid:lserver()) ->
224 ok | {error, term()}.
225 remove_domain(Mod, HostType, Domain) ->
226 2 case is_exported(Mod, remove_domain, 2) of
227 2 true -> Mod:remove_domain(HostType, Domain);
228 
:-(
 false -> ok
229 end.
230
231 -spec supported_features(ejabberd_auth:authmodule()) -> [atom()].
232 supported_features(Mod) ->
233 240 case is_exported(Mod, supported_features, 0) of
234 240 true -> Mod:supported_features();
235 
:-(
 false -> []
236 end.
237
238 -spec check_password(ejabberd_auth:authmodule(), mongooseim:host_type(),
239 jid:luser(), jid:lserver(), binary()) -> boolean().
240 check_password(Mod, HostType, LUser, LServer, Password) ->
241 3627 case is_exported(Mod, check_password, 4) of
242 3627 true -> Mod:check_password(HostType, LUser, LServer, Password);
243 
:-(
 false -> false
244 end.
245
246 -spec check_password(ejabberd_auth:authmodule(), mongooseim:host_type(),
247 jid:luser(), jid:lserver(), binary(), binary(), fun()) -> boolean().
248 check_password(Mod, HostType, LUser, LServer, Password, Digest, DigestGen) ->
249 1 case is_exported(Mod, check_password, 6) of
250 1 true -> Mod:check_password(HostType, LUser, LServer, Password, Digest, DigestGen);
251 
:-(
 false -> false
252 end.
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