47 lines
970 B
Go
47 lines
970 B
Go
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// Copyright 2011 Dmitry Chestnykh. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// capgen is an utility to test captcha generation.
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//
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//nolint:forbidigo
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package main
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import (
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"flag"
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"fmt"
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"os"
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"code.forgejo.org/go-chi/captcha"
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)
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var (
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flagLen = flag.Int("len", captcha.DefaultLen, "length of captcha")
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flagImgW = flag.Int("width", captcha.StdWidth, "image captcha width")
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flagImgH = flag.Int("height", captcha.StdHeight, "image captcha height")
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)
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func usage() {
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fmt.Fprintf(os.Stderr, "usage: capgen [flags] filename\n")
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flag.PrintDefaults()
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}
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func main() {
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flag.Parse()
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fname := flag.Arg(0)
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if fname == "" {
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usage()
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os.Exit(1)
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}
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f, err := os.Create(fname)
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if err != nil {
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panic(err)
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}
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defer f.Close()
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d := captcha.RandomDigits(*flagLen)
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if _, err := captcha.NewImage("", d, *flagImgW, *flagImgH).WriteTo(f); err != nil {
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panic(err)
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}
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fmt.Println(d)
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}
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