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authorIvan Lisenkov <[email protected]>2013-01-30 00:30:05 +0400
committerIvan Lisenkov <[email protected]>2013-01-30 00:30:05 +0400
commit54c6d3fa3aada272839a431a45318d33dbc6b9e5 (patch)
treed702271731de3dff8e5af1863dc210280a5f961c /examples/basic_auth/src
parentfd5a977a39ec99d0aa57a2864f91cca7af5c67d6 (diff)
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Implement authorization header parsing
Basic HTTP authorization according to RFC 2617 is implemented. Added an example of its usage with REST handler.
Diffstat (limited to 'examples/basic_auth/src')
-rw-r--r--examples/basic_auth/src/basic_auth.app.src15
-rw-r--r--examples/basic_auth/src/basic_auth.erl14
-rw-r--r--examples/basic_auth/src/basic_auth_app.erl25
-rw-r--r--examples/basic_auth/src/basic_auth_sup.erl23
-rw-r--r--examples/basic_auth/src/toppage_handler.erl32
5 files changed, 109 insertions, 0 deletions
diff --git a/examples/basic_auth/src/basic_auth.app.src b/examples/basic_auth/src/basic_auth.app.src
new file mode 100644
index 0000000..cbf4ea1
--- /dev/null
+++ b/examples/basic_auth/src/basic_auth.app.src
@@ -0,0 +1,15 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+{application, basic_auth, [
+ {description, "Cowboy Basic HTTP Authorization example."},
+ {vsn, "1"},
+ {modules, []},
+ {registered, []},
+ {applications, [
+ kernel,
+ stdlib,
+ cowboy
+ ]},
+ {mod, {basic_auth_app, []}},
+ {env, []}
+]}.
diff --git a/examples/basic_auth/src/basic_auth.erl b/examples/basic_auth/src/basic_auth.erl
new file mode 100644
index 0000000..9294c77
--- /dev/null
+++ b/examples/basic_auth/src/basic_auth.erl
@@ -0,0 +1,14 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+-module(basic_auth).
+
+%% API.
+-export([start/0]).
+
+%% API.
+
+start() ->
+ ok = application:start(crypto),
+ ok = application:start(ranch),
+ ok = application:start(cowboy),
+ ok = application:start(basic_auth).
diff --git a/examples/basic_auth/src/basic_auth_app.erl b/examples/basic_auth/src/basic_auth_app.erl
new file mode 100644
index 0000000..c60a574
--- /dev/null
+++ b/examples/basic_auth/src/basic_auth_app.erl
@@ -0,0 +1,25 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @private
+-module(basic_auth_app).
+-behaviour(application).
+
+%% API.
+-export([start/2]).
+-export([stop/1]).
+
+%% API.
+
+start(_Type, _Args) ->
+ Dispatch = [
+ {'_', [
+ {[], toppage_handler, []}
+ ]}
+ ],
+ {ok, _} = cowboy:start_http(http, 100, [{port, 8080}], [
+ {env, [{dispatch, Dispatch}]}
+ ]),
+ basic_auth_sup:start_link().
+
+stop(_State) ->
+ ok.
diff --git a/examples/basic_auth/src/basic_auth_sup.erl b/examples/basic_auth/src/basic_auth_sup.erl
new file mode 100644
index 0000000..6219b5f
--- /dev/null
+++ b/examples/basic_auth/src/basic_auth_sup.erl
@@ -0,0 +1,23 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @private
+-module(basic_auth_sup).
+-behaviour(supervisor).
+
+%% API.
+-export([start_link/0]).
+
+%% supervisor.
+-export([init/1]).
+
+%% API.
+
+-spec start_link() -> {ok, pid()}.
+start_link() ->
+ supervisor:start_link({local, ?MODULE}, ?MODULE, []).
+
+%% supervisor.
+
+init([]) ->
+ Procs = [],
+ {ok, {{one_for_one, 10, 10}, Procs}}.
diff --git a/examples/basic_auth/src/toppage_handler.erl b/examples/basic_auth/src/toppage_handler.erl
new file mode 100644
index 0000000..94383d4
--- /dev/null
+++ b/examples/basic_auth/src/toppage_handler.erl
@@ -0,0 +1,32 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @doc Basic authorization Hello world handler.
+-module(toppage_handler).
+
+-export([init/3]).
+-export([content_types_provided/2]).
+-export([is_authorized/2]).
+-export([hello_to_text/2]).
+
+init(_Transport, _Req, []) ->
+ {upgrade, protocol, cowboy_rest}.
+
+
+is_authorized(Req, S) ->
+ {ok, Auth, Req1} = cowboy_req:parse_header(<<"authorization">>, Req),
+ case Auth of
+ {<<"basic">>, {User = <<"Alladin">>, <<"open sesame">>}} ->
+ {true, Req1, User};
+ _ ->
+ {{false, <<"Restricted">>}, Req1, S}
+ end.
+
+content_types_provided(Req, State) ->
+ {[
+ {<<"text/plain">>, hello_to_text}
+ ], Req, State}.
+
+
+hello_to_text(Req, User) ->
+ {<< <<"Hello, ">>/binary, User/binary, <<"!\n">>/binary >>, Req, User}.
+