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vcert.go
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vcert.go
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package pki
import (
"context"
"encoding/json"
"fmt"
"github.com/Venafi/vcert/v4"
"github.com/Venafi/vcert/v4/pkg/endpoint"
"github.com/hashicorp/vault/sdk/logical"
"io/ioutil"
"log"
)
//Set it false to disable Venafi policy check. It can be done only on the code level of the plugin.
const venafiPolicyCheck = true
const venafiPolicyDenyAll = true
func (b *backend) ClientVenafi(ctx context.Context, s *logical.Storage, policyName string) (
endpoint.Connector, error) {
if policyName == "" {
return nil, fmt.Errorf("empty policy name")
}
config, err := b.getVenafiPolicyConfig(ctx, s, policyName)
if err != nil {
return nil, err
}
if config == nil {
return nil, fmt.Errorf("expected policy but got nil from Vault storage %v", config)
}
if config.VenafiSecret == "" {
return nil, fmt.Errorf("empty Venafi secret name")
}
secret, err := b.getVenafiSecret(ctx, s, config.VenafiSecret)
if err != nil {
return nil, err
}
if secret == nil {
return nil, fmt.Errorf("expected Venafi secret but got nil from Vault storage %v", secret)
}
if config.Zone != "" {
b.Logger().Debug("Using zone [%s] from Policy.", config.Zone)
} else {
b.Logger().Debug("Using zone [%s] from venafi secret. Policy zone not found.", secret.Zone)
}
return secret.getConnection(config.Zone)
}
func (b *backend) getConfig(ctx context.Context, s *logical.Storage, policyName string) (
*vcert.Config, error) {
if policyName == "" {
return nil, fmt.Errorf("empty policy name")
}
config, err := b.getVenafiPolicyConfig(ctx, s, policyName)
if err != nil {
return nil, err
}
if config == nil {
return nil, fmt.Errorf("expected Policy config but got nil from Vault storage %v", config)
}
if config.VenafiSecret == "" {
return nil, fmt.Errorf("empty Venafi secret name")
}
secret, err := b.getVenafiSecret(ctx, s, config.VenafiSecret)
if err != nil {
return nil, err
}
if secret == nil {
return nil, fmt.Errorf("expected Venafi secret but got nil from Vault storage %v", secret)
}
if config.Zone != "" {
b.Logger().Debug("Using zone [%s] from Policy.", config.Zone)
} else {
b.Logger().Debug("Using zone [%s] from venafi secret. Policy zone not found.", secret.Zone)
}
return secret.getConfig(config.Zone, true)
}
func pp(a interface{}) string {
b, err := json.MarshalIndent(a, "", " ")
if err != nil {
fmt.Println("error:", err)
}
return fmt.Sprint(string(b))
}
type venafiSecretEntry struct {
TPPUrl string `json:"tpp_url"`
URL string `json:"url"`
AccessToken string `json:"access_token"`
RefreshToken string `json:"refresh_token"`
Zone string `json:"zone"`
TPPPassword string `json:"tpp_password"`
TPPUser string `json:"tpp_user"`
TrustBundleFile string `json:"trust_bundle_file"`
Apikey string `json:"apikey"`
CloudURL string `json:"cloud_url"`
}
func (c venafiSecretEntry) getConnection(zone string) (endpoint.Connector, error) {
cfg, err := c.getConfig(zone, false)
if err == nil {
client, err := vcert.NewClient(cfg)
if err != nil {
return nil, fmt.Errorf("failed to get Venafi issuer client: %s", err)
} else {
return client, nil
}
} else {
return nil, err
}
}
func (c venafiSecretEntry) getConfig(zone string, includeRefreshToken bool) (*vcert.Config, error) {
if zone == "" {
zone = c.Zone
}
var cfg = &vcert.Config{
BaseUrl: c.URL,
Zone: zone,
LogVerbose: true,
Credentials: &endpoint.Authentication{},
}
if c.URL != "" && c.AccessToken != "" {
cfg.ConnectorType = endpoint.ConnectorTypeTPP
cfg.Credentials.AccessToken = c.AccessToken
if includeRefreshToken {
cfg.Credentials.RefreshToken = c.RefreshToken
}
} else if c.URL != "" && c.TPPUser != "" && c.TPPPassword != "" {
cfg.ConnectorType = endpoint.ConnectorTypeTPP
cfg.Credentials.User = c.TPPUser
cfg.Credentials.Password = c.TPPPassword
} else if c.Apikey != "" {
cfg.ConnectorType = endpoint.ConnectorTypeCloud
cfg.Credentials.APIKey = c.Apikey
} else {
return nil, fmt.Errorf("failed to build config for Venafi conection")
}
if cfg.ConnectorType == endpoint.ConnectorTypeTPP {
if c.TrustBundleFile != "" {
trustBundle, err := ioutil.ReadFile(c.TrustBundleFile)
if err != nil {
log.Printf("Can`t read trust bundle from file %s: %v\n", c.TrustBundleFile, err)
return nil, err
}
cfg.ConnectionTrust = string(trustBundle)
}
}
return cfg, nil
}
func (c venafiSecretEntry) getMaskString() string {
return "********"
}