lib/nitcorn/examples: rename the simple_file_server example

[nit.git] / lib / nitcorn / examples / src / simple_file_server.nit

diff --git a/lib/nitcorn/examples/src/simple_file_server.nit b/lib/nitcorn/examples/src/simple_file_server.nit
new file mode 100644 (file)
index 0000000..69c177e
--- /dev/null
+++ b/lib/nitcorn/examples/src/simple_file_server.nit
@@ -0,0 +1,52 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Basic file server on port 80, usually requires `root` to execute
+#
+# To be safe, it is recommended to run this program with its own username:
+# `sudo file_server -u nitcorn:www`
+module simple_file_server
+
+import nitcorn
+import privileges
+
+# Prepare options
+var opts = new OptionContext
+var opt_drop = new OptionUserAndGroup.for_dropping_privileges
+opt_drop.mandatory = true
+var opt_help = new OptionBool("Print this message", "--help", "-h")
+opts.add_option(opt_drop, opt_help)
+opts.parse(args)
+
+# Check options errors and help
+if not opts.errors.is_empty or opt_help.value then
+       print opts.errors.join("\n")
+       print "Usage: file_server [Options]"
+       opts.usage
+       exit 1
+end
+
+# Serve everything with a standard FilesHandler
+var vh = new VirtualHost("localhost:80")
+vh.routes.add new Route(null, new FileServer("www/hello_world/"))
+var factory = new HttpFactory.and_libevent
+factory.config.virtual_hosts.add vh
+
+# Drop to a low-privileged user
+var user_group = opt_drop.value
+if user_group != null then user_group.drop_privileges
+
+factory.run