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147 lines
3.6 KiB
147 lines
3.6 KiB
package tls
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import (
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"context"
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"crypto/x509"
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"encoding/json"
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"os"
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"strings"
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"time"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/protocol/tls/cert"
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"github.com/xtls/xray-core/common/task"
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"github.com/xtls/xray-core/main/commands/base"
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)
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// cmdCert is the tls cert command
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var cmdCert = &base.Command{
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UsageLine: "{{.Exec}} tls cert [--ca] [--domain=example.com] [--expire=240h]",
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Short: "Generate TLS certificates",
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Long: `
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Generate TLS certificates.
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Arguments:
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-domain=domain_name
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The domain name for the certificate.
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-name=common_name
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The common name for the certificate.
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-org=organization
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The organization name for the certificate.
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-ca
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Whether this certificate is a CA
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-json
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The output of certificate to JSON
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-file
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The certificate path to save.
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-expire
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Expire time of the certificate. Default value 3 months.
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`,
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}
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func init() {
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cmdCert.Run = executeCert // break init loop
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}
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var (
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certDomainNames stringList
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_ = func() bool {
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cmdCert.Flag.Var(&certDomainNames, "domain", "Domain name for the certificate")
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return true
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}()
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certCommonName = cmdCert.Flag.String("name", "Xray Inc", "The common name of this certificate")
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certOrganization = cmdCert.Flag.String("org", "Xray Inc", "Organization of the certificate")
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certIsCA = cmdCert.Flag.Bool("ca", false, "Whether this certificate is a CA")
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certJSONOutput = cmdCert.Flag.Bool("json", true, "Print certificate in JSON format")
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certFileOutput = cmdCert.Flag.String("file", "", "Save certificate in file.")
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certExpire = cmdCert.Flag.Duration("expire", time.Hour*24*90 /* 90 days */, "Time until the certificate expires. Default value 3 months.")
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)
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func executeCert(cmd *base.Command, args []string) {
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var opts []cert.Option
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if *certIsCA {
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opts = append(opts, cert.Authority(*certIsCA))
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opts = append(opts, cert.KeyUsage(x509.KeyUsageCertSign|x509.KeyUsageKeyEncipherment|x509.KeyUsageDigitalSignature))
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}
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opts = append(opts, cert.NotAfter(time.Now().Add(*certExpire)))
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opts = append(opts, cert.CommonName(*certCommonName))
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if len(certDomainNames) > 0 {
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opts = append(opts, cert.DNSNames(certDomainNames...))
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}
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opts = append(opts, cert.Organization(*certOrganization))
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cert, err := cert.Generate(nil, opts...)
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if err != nil {
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base.Fatalf("failed to generate TLS certificate: %s", err)
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}
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if *certJSONOutput {
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printJSON(cert)
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}
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if len(*certFileOutput) > 0 {
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if err := printFile(cert, *certFileOutput); err != nil {
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base.Fatalf("failed to save file: %s", err)
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}
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}
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}
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func printJSON(certificate *cert.Certificate) {
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certPEM, keyPEM := certificate.ToPEM()
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jCert := &jsonCert{
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Certificate: strings.Split(strings.TrimSpace(string(certPEM)), "\n"),
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Key: strings.Split(strings.TrimSpace(string(keyPEM)), "\n"),
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}
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content, err := json.MarshalIndent(jCert, "", " ")
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common.Must(err)
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os.Stdout.Write(content)
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os.Stdout.WriteString("\n")
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}
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func writeFile(content []byte, name string) error {
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f, err := os.Create(name)
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if err != nil {
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return err
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}
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defer f.Close()
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return common.Error2(f.Write(content))
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}
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func printFile(certificate *cert.Certificate, name string) error {
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certPEM, keyPEM := certificate.ToPEM()
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return task.Run(context.Background(), func() error {
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return writeFile(certPEM, name+"_cert.pem")
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}, func() error {
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return writeFile(keyPEM, name+"_key.pem")
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})
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}
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type stringList []string
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func (l *stringList) String() string {
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return "String list"
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}
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func (l *stringList) Set(v string) error {
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if v == "" {
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base.Fatalf("empty value")
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}
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*l = append(*l, v)
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return nil
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}
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type jsonCert struct {
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Certificate []string `json:"certificate"`
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Key []string `json:"key"`
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}
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