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Add an SSL example

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1 parent b448939 commit 52a181347c4f85b9c313e400c20fd21ecef7b9b2 @acammack acammack committed Feb 28, 2013
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@@ -40,6 +40,9 @@ Cowboy Examples
* [rest_stream_response](./rest_stream_response):
stream results from a data store
+ * [ssl_hello_world](./ssl_hello_world):
+ simplest SSL application
+
* [static_world](./static_world):
static file handler
@@ -0,0 +1,31 @@
+Cowboy Hello World
+==================
+
+To compile this example you need rebar in your PATH.
+
+Type the following command:
+```
+$ rebar get-deps compile
+```
+
+You can then start the Erlang node with the following command:
+```
+./start.sh
+```
+
+Then point your browser to the indicated URL. You will need to temporarily
+trust the root certificate authority in `priv/ssl/cowboy-ca.crt`.
+
+Example
+-------
+
+``` bash
+$ curl --cacert priv/ssl/cowboy-ca.crt -i https://localhost:8443
+HTTP/1.1 200 OK
+connection: keep-alive
+server: Cowboy
+date: Fri, 28 Sep 2012 04:10:25 GMT
+content-length: 12
+
+Hello world!
+```
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIICeDCCAeGgAwIBAgIJAOvpU0y2e5J4MA0GCSqGSIb3DQEBBQUAMFUxCzAJBgNV
+BAYTAlVTMQ4wDAYDVQQIDAVUZXhhczETMBEGA1UECgwKTmluZSBOaW5lczEPMA0G
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+pBfPPmSFMBb1i2AI
+-----END CERTIFICATE-----
@@ -0,0 +1,17 @@
+-----BEGIN CERTIFICATE-----
+MIICpTCCAg6gAwIBAgIJAOvpU0y2e5J5MA0GCSqGSIb3DQEBBQUAMFUxCzAJBgNV
+BAYTAlVTMQ4wDAYDVQQIDAVUZXhhczETMBEGA1UECgwKTmluZSBOaW5lczEPMA0G
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+UG8fAicx0Bf+
+-----END CERTIFICATE-----
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIICXQIBAAKBgQDNtbUaMQLMdRz9ZJOouIAaqMI1xxHmxpVL7KjPZI9GGmjJ/T+o
+GtfkFjS3OaCjOhOJF8TjAKJUP30Jz4Oun8Uzj2vgSll2hwii+muY6a/+DCSiP3nN
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+Rvm6H7kFDwPDuN23YnTOlTiho0zzCkclcIukhIVJ+dKz
+-----END RSA PRIVATE KEY-----
@@ -0,0 +1,4 @@
+{deps, [
+ {cowboy, ".*",
+ {git, "git://github.com/extend/cowboy.git", "master"}}
+]}.
@@ -0,0 +1,15 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+{application, ssl_hello_world, [
+ {description, "Cowboy Hello World example with SSL."},
+ {vsn, "1"},
+ {modules, []},
+ {registered, []},
+ {applications, [
+ kernel,
+ stdlib,
+ cowboy
+ ]},
+ {mod, {ssl_hello_world_app, []}},
+ {env, []}
+]}.
@@ -0,0 +1,14 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+-module(ssl_hello_world).
+
+%% API.
+-export([start/0]).
+
+%% API.
+
+start() ->
+ ok = application:start(crypto),
+ ok = application:start(ranch),
+ ok = application:start(cowboy),
+ ok = application:start(ssl_hello_world).
@@ -0,0 +1,28 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @private
+-module(ssl_hello_world_app).
+-behaviour(application).
+
+%% API.
+-export([start/2]).
+-export([stop/1]).
+
+%% API.
+
+start(_Type, _Args) ->
+ Dispatch = cowboy_router:compile([
+ {'_', [
+ {"/", toppage_handler, []}
+ ]}
+ ]),
+ {ok, _} = cowboy:start_https(https, 100, [
+ {port, 8443},
+ {cacertfile, "priv/ssl/cowboy-ca.crt"},
+ {certfile, "priv/ssl/server.crt"},
+ {keyfile, "priv/ssl/server.key"}
+ ], [{env, [{dispatch, Dispatch}]}]),
+ ssl_hello_world_sup:start_link().
+
+stop(_State) ->
+ ok.
@@ -0,0 +1,23 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @private
+-module(ssl_hello_world_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}}.
@@ -0,0 +1,18 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @doc Hello world handler.
+-module(toppage_handler).
+
+-export([init/3]).
+-export([handle/2]).
+-export([terminate/3]).
+
+init(_Transport, Req, []) ->
+ {ok, Req, undefined}.
+
+handle(Req, State) ->
+ {ok, Req2} = cowboy_req:reply(200, [], <<"Hello world!">>, Req),
+ {ok, Req2, State}.
+
+terminate(_Reason, _Req, _State) ->
+ ok.
@@ -0,0 +1,3 @@
+#!/bin/sh
+erl -pa ebin deps/*/ebin -s ssl_hello_world \
+ -eval "io:format(\"Point your browser at https://localhost:8443~n\")."

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