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4 changed files with 26 additions and 124 deletions

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@ -1,23 +0,0 @@
%
% Copyright (c) 2024 Andrea Biscuola <a@abiscuola.com>
%
% Permission to use, copy, modify, and distribute this software for any
% purpose with or without fee is hereby granted, provided that the above
% copyright notice and this permission notice appear in all copies.
%
% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
%
-define(APPBUCK, dudeswave).
-define(USERSBUCK, dudes).
-define(COOKIESBUCK, cookies).
-define(RANDBYTES, 32).
-define(DEFVALIDITY, 365).
-define(DUDENAME, "dudename").
-define(DUDEAUTH, "dudeauth").

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@ -26,8 +26,7 @@ from the dudeswave database.
-export([authenticate/2, details/1, new/3,
update/4, delete/1, logout/2, auth_cookies/1, invalidate_cookies/1,
set_auth_cookies/4, read_login_data/1, read_new_user_data/1,
read_update_user_data/1]).
set_auth_cookies/4]).
-doc """
Verify a session with an existing cookie.
@ -263,8 +262,8 @@ Spec:
Cookie :: binary().
auth_cookies(Req) ->
#{?DUDEAUTH := Cookie, ?DUDENAME := User} = cowboy_req:match_cookies([?DUDEAUTH,
?DUDENAME], Req),
#{dudeauth := Cookie, dudename := User} = cowboy_req:match_cookies([dudeauth,
dudename], Req),
{User, Cookie}.
@ -287,9 +286,9 @@ completely invalidated.
Req0 :: cowboy_req:req().
invalidate_cookies(Req) ->
Req0 = cowboy_req:set_resp_cookie(<<"?DUDEAUTH">>, <<"">>, Req,
Req0 = cowboy_req:set_resp_cookie(<<"dudeauth">>, <<"">>, Req,
#{max_age => 0}),
Req1 = cowboy_req:set_resp_cookie(<<"?DUDENAME">>, <<"">>, Req0,
Req1 = cowboy_req:set_resp_cookie(<<"dudename">>, <<"">>, Req0,
#{max_age => 0}),
Req1.
@ -318,89 +317,9 @@ A new request object `Req0`is returned, with the user and auth cookies set.
Req0 :: cowboy_req:req().
set_auth_cookies(Req, User, Cookie, Validity) ->
Req0 = cowboy_req:set_resp_cookie(<<"?DUDEAUTH">>, Cookie, Req,
Req0 = cowboy_req:set_resp_cookie(<<"dudeauth">>, Cookie, Req,
#{max_age => Validity}),
Req1 = cowboy_req:set_resp_cookie(<<"?DUDENAME">>, User, Req0,
Req1 = cowboy_req:set_resp_cookie(<<"dudename">>, User, Req0,
#{max_age => Validity}),
Req1.
-doc """
Spec:
```
-spec read_login_data(Req) -> {User, Pass, Req0} when
Req :: cowboy_req:req(),
User :: binary(),
Pass :: binary(),
Req0 :: cowboy_req:req().
```
Read the login details from the `Req` body and return `User` and `Password`.
""".
-spec read_login_data(Req) -> {User, Pass, Req0} when
Req :: cowboy_req:req(),
User :: binary(),
Pass :: binary(),
Req0 :: cowboy_req:req().
read_login_data(Req) ->
{ok, Data, Req0} = cowboy_req:read_body(Req),
#{<<"user">> := User, <<"password">> := Pass} = json:decode(Data),
{User, Pass, Req0}.
-doc """
Read new registration informations from the request
Spec:
```
-spec read_new_user_data(Req) -> {User, Pass, Email Req0} when
Req :: cowboy_req:req(),
User :: binary(),
Pass :: binary(),
Email :: binary(),
Req0 :: cowboy_req:req().
```
""".
-spec read_new_user_data(Req) -> {User, Pass, Email, Req0} when
Req :: cowboy_req:req(),
User :: binary(),
Pass :: binary(),
Email :: binary(),
Req0 :: cowboy_req:req().
read_new_user_data(Req) ->
{ok, Data, Req0} = cowboy_req:read_body(Req),
#{<<"user">> := User, <<"password">> := Pass,
<<"email">> := Email} = json:decode(Data),
{User, Pass, Email, Req0}.
-doc """
Update user informations.
Spec:
```
-spec read_update_user_data(Req) -> {Email, Desc, Name, Req0} when
Req :: cowboy_req:req(),
Email :: binary(),
Desc :: binary(),
Name :: binary(),
Req0 :: cowboy_req:req().
```
""".
-spec read_update_user_data(Req) -> {Email, Desc, Name, Req0} when
Req :: cowboy_req:req(),
Email :: binary(),
Desc :: binary(),
Name :: binary(),
Req0 :: cowboy_req:req().
read_update_user_data(Req) ->
{ok, Data, Req0} = cowboy_req:read_body(Req),
#{<<"email">> := Email, <<"description">> := Desc,
<<"name">> := Name} = json:decode(Data),
{Email, Desc, Name, Req0}.

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@ -117,8 +117,7 @@ resource_exists(Req, State) ->
case dudeswave_auth:details(User) of
[] ->
{false, Req, State};
{error, Reason} ->
exit(Reason);
{error, Reason} -> exit(Reason);
_ ->
NewState = State#{
user_exists => true
@ -128,7 +127,8 @@ resource_exists(Req, State) ->
previously_existed(Req, State) -> {false, Req, State}.
is_conflict(Req, #{user_exists := true}) -> {false, Req, []};
is_conflict(Req, #{user_exists := true}) ->
{false, Req, []};
is_conflict(Req, State) -> {true, Req, State}.
@ -151,7 +151,8 @@ delete_completed(Req, State) -> {false, Req, State}.
%
login(Req, State) ->
{User, Pass, Req0} = dudeswave_auth:read_login_data(Req),
{ok, Data, Req0} = cowboy_req:read_body(Req),
#{<<"user">> := User, <<"password">> := Pass} = json:decode(Data),
case dudeswave_auth:authenticate(User, {password, Pass}) of
{true, Cookie, Validity} ->

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@ -76,7 +76,6 @@ PUT /api/v1/user
```
{
"username": "foo",
"email": "foo@example.com",
"password": "123456"
}
@ -149,8 +148,10 @@ forbidden(Req, State) ->
{User, Auth} = dudeswave_auth:auth_cookies(Req),
case dudeswave_auth:authenticate(User, {cookie, Auth}) of
{error, service_unavailable} -> {true, Req, State};
true -> {false, Req, State};
{error, service_unavailable} ->
{true, Req, State};
true ->
{false, Req, State};
false -> {true, Req, State}
end
end.
@ -179,10 +180,8 @@ resource_exists(Req, State) ->
{User, _} = dudeswave_auth:auth_cookies(Req),
case dudeswave_auth:details(User) of
[] ->
{false, Req, State};
{error, _} ->
{false, Req, State};
[] -> {false, Req, State};
{error, _} -> {false, Req, State};
Details ->
NewState = State#{
details => Details,
@ -216,7 +215,10 @@ delete_completed(Req, State) -> {true, Req, State}.
%
create_user(Req, State) ->
{User, Pass, Email, Req0} = dudeswave_auth:read_new_user_data(Req),
{User, _} = dudeswave_auth:auth_cookies(Req),
{ok, Data, Req0} = cowboy_req:read_body(Req),
#{<<"password">> := Pass, <<"email">> := Email} = json:decode(Data),
case dudeswave_auth:new(User, Pass, Email) of
ok -> {true, Req0, []};
@ -225,7 +227,10 @@ create_user(Req, State) ->
modify_user(Req, State) ->
{User, _} = dudeswave_auth:auth_cookies(Req),
{Email, Desc, Name, Req0} = dudeswave_auth:read_update_user_data(Req),
{ok, Data, Req0} = cowboy_req:read_body(Req),
#{<<"email">> := Email, <<"description">> := Desc,
<<"name">> := Name} = json:decode(Data),
case dudeswave_auth:update(User, Name, Email, Desc) of
ok -> {true, Req0, []};