package main
import (
"crypto/md5"
"fmt"
"log"
"os"
"os/exec"
"strings"
)
const GitProjectRoot = "/home/neale/projects"
// printf "USER:PASS" | base64 | while read a; do printf "%s" "$a" | md5sum; done
var allowed = []string{
"2c64993e88c06e297d4f01cf3b5aebdf", // neale
}
func execv(name string, arg ...string) {
c := exec.Command(name, arg...)
c.Stdin = os.Stdin
c.Stdout = os.Stdout
c.Stderr = os.Stderr
if err := c.Run(); err != nil {
log.Print(err)
}
}
func Authenticated() bool {
auth := os.Getenv("HTTP_AUTHORIZATION")
if auth == "" {
return false
}
parts := strings.Split(auth, " ")
switch {
case len(parts) != 2:
return false
case parts[0] != "Basic":
return false
}
hash := md5.Sum([]byte(parts[1]))
hashhex := fmt.Sprintf("%x", hash)
for _, a := range allowed {
if a == hashhex {
os.Setenv("AUTH_TYPE", parts[0])
os.Setenv("REMOTE_USER", "XXX-neale")
return true
}
}
return false
}
func notice() {
fmt.Println("Content-type: text/html")
fmt.Println()
fmt.Println("")
fmt.Println("")
fmt.Println("Neale's Projects have Moved")
fmt.Println("")
fmt.Println("")
fmt.Println("Neale's Projects have Moved
")
fmt.Println("I've moved most of my stuff to")
fmt.Println("Github.")
fmt.Println("")
fmt.Println("X11 things may now be in the")
fmt.Println("9wm team.")
fmt.Println("
")
fmt.Println("Network security things may now be in the")
fmt.Println("dirtbags team.")
fmt.Println("")
}
func main() {
log.SetFlags(0)
//log.SetOutput(os.Stdout)
//log.SetPrefix("Status: 500 CGI Go Boom\nContent-type: text/plain\n\nERROR: ")
os.Setenv("GIT_PROJECT_ROOT", GitProjectRoot)
uri := os.Getenv("REQUEST_URI")
switch {
case strings.HasSuffix(uri, "git-receive-pack"):
if Authenticated() {
execv("git", "http-backend")
} else {
fmt.Println("Status: 401 Not Authorized")
fmt.Println("Content-type: text/plain")
fmt.Println("WWW-Authenticate: Basic realm=\"git\"")
fmt.Println()
fmt.Println("Nope", os.Getenv("HTTP_AUTHORIZATION"))
}
case strings.HasSuffix(uri, "git-upload-pack"):
execv("git", "http-backend")
default:
notice()
}
}