Moving to glide

vendor/github.com/mattermost/rsc/cmd/crypt/crypt.go

@@ -0,0 +1,79 @@
+// Copyright 2012 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Crypt is a simple password-based encryption program,
+// demonstrating how to use github.com/mattermost/rsc/crypt.
+//
+// Encrypt input to output using password:
+//	crypt password <input >output
+//
+// Decrypt input to output using password:
+//	crypt -d password <input >output
+//
+// Yes, the password is a command-line argument. This is a demo of the
+// github.com/mattermost/rsc/crypt package. It's not intended for real use.
+//
+package main
+
+import (
+	"encoding/base64"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strings"
+
+	"github.com/mattermost/rsc/crypt"
+)
+
+func main() {
+	args := os.Args[1:]
+	encrypt := true
+	if len(args) >= 1 && args[0] == "-d" {
+		encrypt = false
+		args = args[1:]
+	}
+	if len(args) != 1 || strings.HasPrefix(args[0], "-") {
+		fmt.Fprintf(os.Stderr, "usage: crypt [-d] password < input > output\n")
+		os.Exit(2)
+	}
+	password := args[0]
+
+	data, err := ioutil.ReadAll(os.Stdin)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "reading stdin: %v\n", err)
+		os.Exit(1)
+	}
+	if encrypt {
+		pkt, err := crypt.Encrypt(password, data)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			os.Exit(1)
+		}
+		str := base64.StdEncoding.EncodeToString(pkt)
+		for len(str) > 60 {
+			fmt.Printf("%s\n", str[:60])
+			str = str[60:]
+		}
+		fmt.Printf("%s\n", str)
+	} else {
+		pkt, err := base64.StdEncoding.DecodeString(strings.Map(noSpace, string(data)))
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "decoding input: %v\n", err)
+			os.Exit(1)
+		}
+		dec, err := crypt.Decrypt(password, pkt)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			os.Exit(1)
+		}
+		os.Stdout.Write(dec)
+	}
+}
+
+func noSpace(r rune) rune {
+	if r == ' ' || r == '\t' || r == '\n' {
+		return -1
+	}
+	return r
+}