mirror of
https://github.com/saymrwulf/swisspost-evoting-go-poc.git
synced 2026-05-14 20:58:03 +00:00
saymrwulf
e8b6f30871
Proof-of-concept reimplementation of the Swiss Post e-voting cryptographic protocol in Go. Single binary, 52 source files, 2 dependencies. Covers ElGamal encryption, Bayer-Groth verifiable shuffles, zero-knowledge proofs, return codes, and a full election ceremony demo.
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package main
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import (
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"embed"
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"fmt"
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"io/fs"
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"net"
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"net/http"
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"os"
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"github.com/spf13/cobra"
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)
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//go:embed web
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var webContent embed.FS
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var servePort int
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var serveCmd = &cobra.Command{
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Use: "serve",
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Short: "Serve the presentation web app on the local network",
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Run: runServe,
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}
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func init() {
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serveCmd.Flags().IntVar(&servePort, "port", 8080, "Port to serve on")
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rootCmd.AddCommand(serveCmd)
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}
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func runServe(cmd *cobra.Command, args []string) {
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webFS, err := fs.Sub(webContent, "web")
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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os.Exit(1)
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}
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http.Handle("/", http.FileServer(http.FS(webFS)))
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fmt.Println()
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fmt.Println(" Swiss Post E-Voting Presentations")
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fmt.Println(" ==================================")
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fmt.Println()
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fmt.Println(" Available at:")
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fmt.Printf(" http://localhost:%d\n", servePort)
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addrs, _ := net.InterfaceAddrs()
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for _, addr := range addrs {
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if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && ipnet.IP.To4() != nil {
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fmt.Printf(" http://%s:%d\n", ipnet.IP.String(), servePort)
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}
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}
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fmt.Println()
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fmt.Println(" Open this URL on your iPad Pro to view the presentations.")
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fmt.Println(" Press Ctrl+C to stop the server.")
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fmt.Println()
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listenAddr := fmt.Sprintf("0.0.0.0:%d", servePort)
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if err := http.ListenAndServe(listenAddr, nil); err != nil {
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fmt.Fprintf(os.Stderr, "Server error: %v\n", err)
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os.Exit(1)
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}
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}
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