filter.go

package main

import (
	"fmt"
	"github.com/EverythingMe/inbloom/go/inbloom"
	"net/http"
)

var vocabulary = []string{"foo", "bar", "baz", "hey", "yo", "go"}

func handleWords(w http.ResponseWriter, r *http.Request) {

	r.ParseForm()

	// create a filter from the data passed to us as GET/POST argument
	f, err := inbloom.UnmarshalBase64(r.FormValue("filter"))
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	// send the client back each word in the vocabulary that is not in the filter
	for _, word := range vocabulary {
		if !f.Contains(word) {
			fmt.Fprintln(w, word)
		}
	}
}

func main() {
	http.HandleFunc("/words", handleWords)
	http.ListenAndServe(":8888", nil)
}