examples: add two nitcorn examples
authorAlexis Laferrière <alexis.laf@xymus.net>
Thu, 24 Jul 2014 19:04:45 +0000 (15:04 -0400)
committerAlexis Laferrière <alexis.laf@xymus.net>
Wed, 30 Jul 2014 13:15:51 +0000 (09:15 -0400)
Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

examples/nitcorn/Makefile [new file with mode: 0644]
examples/nitcorn/src/file_server_on_port_80.nit [new file with mode: 0644]
examples/nitcorn/src/nitcorn_hello_world.nit [new file with mode: 0644]
examples/nitcorn/www/hello_world/dir/a.txt [new file with mode: 0644]
examples/nitcorn/www/hello_world/dir/b.txt [new file with mode: 0644]
examples/nitcorn/www/hello_world/favicon.ico [new file with mode: 0644]
tests/sav/file_server_on_port_80.res [new file with mode: 0644]

diff --git a/examples/nitcorn/Makefile b/examples/nitcorn/Makefile
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+all:
+       mkdir -p bin/
+       ../../bin/nitg --dir bin src/nitcorn_hello_world.nit src/file_server_on_port_80.nit
diff --git a/examples/nitcorn/src/file_server_on_port_80.nit b/examples/nitcorn/src/file_server_on_port_80.nit
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+# 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 file_server_on_port_80
+
+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
+       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
diff --git a/examples/nitcorn/src/nitcorn_hello_world.nit b/examples/nitcorn/src/nitcorn_hello_world.nit
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+# 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.
+
+# Hello World Web server example
+#
+# The main page, `index.html`, is served dynamicly with `MyAction`.
+# The rest of the Web site fetches files from the local directory
+# `www/hello_world/`.
+module nitcorn_hello_world
+
+import nitcorn
+
+class MyAction
+       super Action
+
+       redef fun answer(http_request, turi)
+       do
+               var response = new HttpResponse(200)
+               var title = "Hello World from Nitcorn!"
+               response.body = """
+<!DOCTYPE html>
+<head>
+       <meta charset="utf-8">
+       <meta http-equiv="X-UA-Compatible" content="IE=edge">
+       <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
+       <title>{{{title}}}</title>
+</head>
+<body>
+       <div class="container">
+               <h1>{{{title}}}</h1>
+               <p>See also a <a href="/dir/">directory</a>.</p>
+       </div>
+</body>
+</html>"""
+               return response
+       end
+end
+
+var vh = new VirtualHost("localhost:8080")
+
+# Serve index.html with our custom handler
+vh.routes.add new Route("/index.html", new MyAction)
+
+# Serve everything else with a standard `FileServer` with a root at "www/hello_world/"
+vh.routes.add new Route(null, new FileServer("www/hello_world/"))
+
+# Avoid executing when running tests
+if "NIT_TESTING".environ == "true" then exit 0
+
+var factory = new HttpFactory.and_libevent
+factory.config.virtual_hosts.add vh
+factory.run
diff --git a/examples/nitcorn/www/hello_world/dir/a.txt b/examples/nitcorn/www/hello_world/dir/a.txt
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+aaaAAAAAaaaa
diff --git a/examples/nitcorn/www/hello_world/dir/b.txt b/examples/nitcorn/www/hello_world/dir/b.txt
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+BBBBBBbbbbbbbbbbbbbbb
diff --git a/examples/nitcorn/www/hello_world/favicon.ico b/examples/nitcorn/www/hello_world/favicon.ico
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index 0000000..0f66f25
Binary files /dev/null and b/examples/nitcorn/www/hello_world/favicon.ico differ
diff --git a/tests/sav/file_server_on_port_80.res b/tests/sav/file_server_on_port_80.res
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+Mandatory option -u, --usergroup not found.
+Usage: file_server [Options]
+  -u, --usergroup   Drop privileges to user:group or simply user
+  --help, -h        Print this message