forked from TrueCloudLab/certificates
80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
package provisioner
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import (
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"encoding/json"
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"github.com/pkg/errors"
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"github.com/smallstep/certificates/x509util"
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)
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// CertificateOptions is an interface that returns a list of options passed when
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// creating a new certificate.
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type CertificateOptions interface {
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Options(Options) []x509util.Option
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}
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type certificateOptionsFunc func(Options) []x509util.Option
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func (fn certificateOptionsFunc) Options(so Options) []x509util.Option {
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return fn(so)
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}
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type ProvisionerOptions struct {
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Template string `json:"template"`
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TemplateFile string `json:"templateFile"`
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TemplateData json.RawMessage `json:"templateData"`
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}
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// TemplateOptions generates a CertificateOptions with the template and data
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// defined in the ProvisionerOptions, the provisioner generated data, and the
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// user data provided in the request. If no template has been provided,
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// x509util.DefaultLeafTemplate will be used.
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func TemplateOptions(o *ProvisionerOptions, data x509util.TemplateData) (CertificateOptions, error) {
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return CustomTemplateOptions(o, data, x509util.DefaultLeafTemplate)
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}
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// CustomTemplateOptions generates a CertificateOptions with the template, data
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// defined in the ProvisionerOptions, the provisioner generated data and the
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// user data provided in the request. If no template has been provided in the
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// ProvisionerOptions, the given template will be used.
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func CustomTemplateOptions(o *ProvisionerOptions, data x509util.TemplateData, defaultTemplate string) (CertificateOptions, error) {
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if o != nil {
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if data == nil {
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data = x509util.NewTemplateData()
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}
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// Add template data if any.
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if len(o.TemplateData) > 0 {
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if err := json.Unmarshal(o.TemplateData, &data); err != nil {
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return nil, errors.Wrap(err, "error unmarshaling template data")
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}
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}
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}
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return certificateOptionsFunc(func(so Options) []x509util.Option {
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// We're not provided user data without custom templates.
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if o == nil || (o.Template == "" && o.TemplateFile == "") {
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return []x509util.Option{
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x509util.WithTemplate(defaultTemplate, data),
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}
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}
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// Add user provided data.
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if len(so.TemplateData) > 0 {
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userObject := make(map[string]interface{})
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if err := json.Unmarshal(so.TemplateData, &userObject); err != nil {
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data[x509util.UserKey] = map[string]interface{}{}
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} else {
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data[x509util.UserKey] = userObject
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}
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}
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if o.Template == "" && o.TemplateFile != "" {
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return []x509util.Option{
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x509util.WithTemplateFile(o.TemplateFile, data),
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}
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}
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return []x509util.Option{
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x509util.WithTemplateFile(o.Template, data),
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}
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}), nil
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}
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