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Add templates support to Azure provisioner.

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This commit is contained in:
Mariano Cano 2020-07-13 15:20:52 -07:00
parent a44f0ca866
commit 32646c49bf
1 changed files with 25 additions and 9 deletions
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34
authority/provisioner/azure.go
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@ -14,6 +14,7 @@ import (
"github.com/pkg/errors"
"github.com/smallstep/certificates/errs"
"github.com/smallstep/certificates/x509util"
"github.com/smallstep/cli/jose"
)
@ -82,14 +83,15 @@ type azurePayload struct {
// and https://docs.microsoft.com/en-us/azure/virtual-machines/windows/instance-metadata-service
type Azure struct {
*base
Type string `json:"type"`
Name string `json:"name"`
TenantID string `json:"tenantID"`
ResourceGroups []string `json:"resourceGroups"`
Audience string `json:"audience,omitempty"`
DisableCustomSANs bool `json:"disableCustomSANs"`
DisableTrustOnFirstUse bool `json:"disableTrustOnFirstUse"`
Claims *Claims `json:"claims,omitempty"`
Type string `json:"type"`
Name string `json:"name"`
TenantID string `json:"tenantID"`
ResourceGroups []string `json:"resourceGroups"`
Audience string `json:"audience,omitempty"`
DisableCustomSANs bool `json:"disableCustomSANs"`
DisableTrustOnFirstUse bool `json:"disableTrustOnFirstUse"`
Claims *Claims `json:"claims,omitempty"`
Options *ProvisionerOptions `json:"options,omitempty"`
claimer *Claimer
config *azureConfig
oidcConfig openIDConfiguration
@ -257,7 +259,7 @@ func (p *Azure) authorizeToken(token string) (*azurePayload, string, string, err
// AuthorizeSign validates the given token and returns the sign options that
// will be used on certificate creation.
func (p *Azure) AuthorizeSign(ctx context.Context, token string) ([]SignOption, error) {
_, name, group, err := p.authorizeToken(token)
payload, name, group, err := p.authorizeToken(token)
if err != nil {
return nil, errs.Wrap(http.StatusInternalServerError, err, "azure.AuthorizeSign")
}
@ -276,6 +278,11 @@ func (p *Azure) AuthorizeSign(ctx context.Context, token string) ([]SignOption,
}
}
// Template options
data := x509util.NewTemplateData()
data.SetToken(payload)
data.SetCommonName(name)
// Enforce known common name and default DNS if configured.
// By default we'll accept the CN and SANs in the CSR.
// There's no way to trust them other than TOFU.
@ -287,9 +294,18 @@ func (p *Azure) AuthorizeSign(ctx context.Context, token string) ([]SignOption,
so = append(so, ipAddressesValidator(nil))
so = append(so, emailAddressesValidator(nil))
so = append(so, urisValidator(nil))
// Enforce SANs in the template.
data.SetSANs([]string{name})
}
templateOptions, err := CustomTemplateOptions(p.Options, data, x509util.DefaultIIDLeafTemplate)
if err != nil {
return nil, errs.Wrap(http.StatusInternalServerError, err, "aws.AuthorizeSign")
}
return append(so,
templateOptions,
// modifiers / withOptions
newProvisionerExtensionOption(TypeAzure, p.Name, p.TenantID),
profileDefaultDuration(p.claimer.DefaultTLSCertDuration()),