From 38fe3338881373fad192fd03e49032d1eab200f9 Mon Sep 17 00:00:00 2001
From: PierreZ <pierre.zemb.isen@gmail.com>
Date: Thu, 16 Jul 2015 21:54:40 +0200
Subject: [PATCH] adding first batch of code

---
 Makefile |  4 +++
 main.go  | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 Makefile
 create mode 100644 main.go

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..16f92af
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+default: static
+
+static:
+	docker run --rm -v $(pwd):/src centurylink/golang-builder
\ No newline at end of file
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..cfb347f
--- /dev/null
+++ b/main.go
@@ -0,0 +1,98 @@
+package main // import "github.com/PierreZ/goStatic"
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"math/big"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/labstack/echo"
+	mw "github.com/labstack/echo/middleware"
+)
+
+func main() {
+	// Def & parsing of flags
+	portPtr := flag.Int("p", 8080, "The proxy listening port")
+	pathPtr := flag.String("path for static file", "/var/www", "The path for the static files")
+	crtPtr := flag.String("crt", "/etc/ssl/server", "The path and the name whithout extension for your CRT/key for TLS. Example: /etc/ssl/server for /etc/ssl/server.{crt,key}")
+	HTTPPtr := flag.Bool("forceHTTP", false, "Forcing HTTP and not HTTPS")
+
+	flag.Parse()
+
+	// Echo instance
+	e := echo.New()
+
+	// Middleware
+	e.Use(mw.Logger())
+	e.Use(mw.Recover())
+
+	// Routes
+	e.Static("/", *pathPtr)
+
+	log.Println("Starting goStatic")
+
+	port := ":" + strconv.FormatInt(int64(*portPtr), 10)
+
+	// Start server with unsecure HTTP
+	// or with awesome TLS
+	if *HTTPPtr {
+		e.Run(port)
+
+	} else {
+
+		if *crtPtr != "/etc/ssl/server" {
+			generateCert(*crtPtr)
+		}
+
+		e.RunTLS(port, *pathPtr+".pem", *pathPtr+".crt")
+	}
+
+}
+
+// Mostly based on https://www.socketloop.com/tutorials/golang-create-x509-certificate-private-and-public-keys
+func generateCert(path string) {
+
+	template := &x509.Certificate{
+		IsCA: true,
+		BasicConstraintsValid: true,
+		SubjectKeyId:          []byte{1, 2, 3},
+		SerialNumber:          big.NewInt(1234),
+		Subject: pkix.Name{
+			Country:      []string{"Earth"},
+			Organization: []string{"Hooli"},
+		},
+		NotBefore: time.Now(),
+		NotAfter:  time.Now().AddDate(5, 5, 5),
+		// see http://golang.org/pkg/crypto/x509/#KeyUsage
+		ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
+		KeyUsage:    x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
+	}
+
+	// generate private key
+	privatekey, err := rsa.GenerateKey(rand.Reader, 4096)
+
+	if err != nil {
+		log.Println(err)
+	}
+
+	// save cert
+	ioutil.WriteFile(path+".crt", cert, 0777)
+	fmt.Println("certificate saved to", path+".crt")
+
+	// this will create plain text PEM file.
+	pemfile, _ := os.Create(path + ".pem")
+	var pemkey = &pem.Block{
+		Type:  "RSA PRIVATE KEY",
+		Bytes: x509.MarshalPKCS1PrivateKey(privatekey)}
+	pem.Encode(pemfile, pemkey)
+	pemfile.Close()
+}