func CgiHandler(config map[string]string) http.Handler {
h := new(cgi.Handler)
h.Path = mustGet(config, "path")
h.Root = mustGet(config, "mount")
h.Dir = tryGet(config, "dir", "")
h.Args = getSlice(config, "args")
h.Env = getSlice(config, "env")
h.InheritEnv = getSlice(config, "inherit")
h.PathLocationHandler = http.DefaultServeMux
return h
}
func bundleCgiHandler(writer http.ResponseWriter, req *http.Request, path string, pathSegs []string) bool {
segments := strings.Split(req.URL.Path, "/")
cgiProgram := segments[3]
// This is to try to prevent someone from trying to execute arbitrary commands (e.g. ../../../bash)
if strings.Index(cgiProgram, ".") != -1 {
return false
}
// Check the bin directories of the gopaths to find a command that matches
// the command specified here.
cmd := ""
for _, srcDir := range srcDirs {
c := filepath.Join(srcDir, "../bin/"+cgiProgram)
_, err := os.Stat(c)
if err == nil {
cmd = c
break
}
}
if cmd != "" {
logger.Printf("GODEV CGI CALL: %v\n", cmd)
handler := cgi.Handler{}
handler.Path = cmd
handler.Args = []string{"-godev"}
handler.Logger = logger
handler.InheritEnv = []string{"PATH", "GOPATH"} // TODO Add GOCERTFILE, GOKEYFILE, ...
handler.ServeHTTP(writer, req)
return true
} else {
logger.Printf("GODEV CGI MISS: %v\n", cgiProgram)
}
return false
}