Initial commit

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>

.gitignore

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+webserv

README.md

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+# Webserv
+
+Webserv is a stupid simple program to share files and directories over http from
+the command line. It is written in Go and can also be used to stream videos or
+big files, where Pyhton's SimpleHTTPServer can't.

webserv.go

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+/*
+ * Copyright (C) 2015 Antoine Tenart
+ *
+ * Antoine Tenart <antoine.tenart@ack.tf>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+package main
+
+import (
+	"errors"
+	"net/http"
+	"os"
+	"path"
+
+	docopt "github.com/docopt/docopt-go"
+)
+
+var (
+	version = "webserv 0.1"
+	usage = `Temporary http server to serve files
+
+Usage:
+  webserv [-d <directory> | -f <file>] [-p <port>]
+  webserv --help
+
+Options:
+  -d <directory>, --dir <directory>    Serve the given directory [default: ./]
+  -f <file>, --file <file>             Serve the given file
+  -p <port>, --port <port>             Port number to listen on [default: 8080]
+  --help                               Print this help
+`
+)
+
+type File string
+
+func (f File) Open(name string) (http.File, error) {
+	if name != ("/" + path.Clean(string(f))) {
+		return nil, errors.New("http: invalid request")
+	}
+
+	file, err := os.Open(string(f))
+	if err != nil {
+		return nil, err
+	}
+
+	return file, nil
+}
+
+func main() {
+	var fs http.FileSystem
+
+	args, _ := docopt.Parse(usage, os.Args[1:], true, version, true)
+
+	if f, ok := args["--file"].(string); ok {
+		fs = File(f)
+	} else {
+		fs = http.Dir(args["--dir"].(string))
+	}
+	http.Handle("/", http.FileServer(fs))
+	http.ListenAndServe(":" + args["--port"].(string), nil)
+}