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lego/cli.go

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// Let's Encrypt client to go!
// CLI application for generating Let's Encrypt certificates using the ACME package.
package main
import (
"log"
"os"
"path"
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"strings"
"github.com/codegangsta/cli"
"github.com/xenolf/lego/acme"
)
// Logger is used to log errors; if nil, the default log.Logger is used.
var Logger *log.Logger
// logger is an helper function to retrieve the available logger
func logger() *log.Logger {
if Logger == nil {
Logger = log.New(os.Stderr, "", log.LstdFlags)
}
return Logger
}
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var gittag string
func main() {
app := cli.NewApp()
app.Name = "lego"
app.Usage = "Let's encrypt client to go!"
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version := "0.2.0"
if strings.HasPrefix(gittag, "v") {
version = gittag
}
app.Version = version
acme.UserAgent = "lego/" + app.Version
cwd, err := os.Getwd()
if err != nil {
logger().Fatal("Could not determine current working directory. Please pass --path.")
}
defaultPath := path.Join(cwd, ".lego")
app.Commands = []cli.Command{
{
Name: "run",
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Usage: "Register an account, then create and install a certificate",
Action: run,
},
{
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Name: "revoke",
Usage: "Revoke a certificate",
Action: revoke,
},
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{
Name: "renew",
Usage: "Renew a certificate",
Action: renew,
Flags: []cli.Flag{
cli.IntFlag{
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Name: "days",
Value: 0,
Usage: "The number of days left on a certificate to renew it.",
},
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cli.BoolFlag{
Name: "reuse-key",
Usage: "Used to indicate you want to reuse your current private key for the new certificate.",
},
},
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},
}
app.Flags = []cli.Flag{
cli.StringSliceFlag{
Name: "domains, d",
Usage: "Add domains to the process",
},
cli.StringFlag{
Name: "server, s",
Value: "https://acme-v01.api.letsencrypt.org/directory",
Usage: "CA hostname (and optionally :port). The server certificate must be trusted in order to avoid further modifications to the client.",
},
cli.StringFlag{
Name: "email, m",
Usage: "Email used for registration and recovery contact.",
},
cli.BoolFlag{
Name: "accept-tos, a",
Usage: "By setting this flag to true you indicate that you accept the current Let's Encrypt terms of service.",
},
cli.IntFlag{
Name: "rsa-key-size, B",
Value: 2048,
Usage: "Size of the RSA key.",
},
cli.StringFlag{
Name: "path",
Usage: "Directory to use for storing the data",
Value: defaultPath,
},
cli.StringSliceFlag{
Name: "exclude, x",
Usage: "Explicitly disallow solvers by name from being used. Solvers: \"http-01\", \"tls-sni-01\".",
},
cli.StringFlag{
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Name: "http",
Usage: "Set the port and interface to use for HTTP based challenges to listen on. Supported: interface:port or :port",
},
cli.StringFlag{
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Name: "tls",
Usage: "Set the port and interface to use for TLS based challenges to listen on. Supported: interface:port or :port",
},
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cli.StringFlag{
Name: "dns",
Usage: "Solve a DNS challenge using the specified provider. Disables all other challenges." +
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"\n\tCredentials for providers have to be passed through environment variables." +
"\n\tFor a more detailed explanation of the parameters, please see the online docs." +
"\n\tValid providers:" +
"\n\tcloudflare: CLOUDFLARE_EMAIL, CLOUDFLARE_API_KEY" +
"\n\tdigitalocean: DO_AUTH_TOKEN" +
"\n\tdnsimple: DNSIMPLE_EMAIL, DNSIMPLE_API_KEY" +
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"\n\troute53: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION" +
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"\n\trfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_NAMESERVER, RFC2136_ZONE" +
"\n\tmanual: none",
},
}
app.Run(os.Args)
}