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vault.go
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vault.go
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package core
import (
"context"
"fmt"
vault "github.com/hashicorp/vault/api"
"net/http"
"time"
)
type Vault struct {
Address string `mapstructure:"address"`
Interval int `mapstructure:"interval"`
}
// vault access
const (
Username = "liuzhao"
Password = "123456"
)
var httpClient = &http.Client{
Timeout: 10 * time.Second,
}
var vaultClient *vault.Client
func InitVault() {
// 获取登录vault的token
token, err := userpassLogin()
if err != nil {
LogFailure(VaultDenied, "vault用户登录token获取失败", err)
panic(err)
}
// 创建vault连接客户端
client, err := vault.NewClient(&vault.Config{Address: cfg.Lib.Vault.Address, HttpClient: httpClient})
if err != nil {
LogFailure(Unknown, "创建vault连接失败", err)
panic(err)
}
// 配置请求
client.SetToken(token)
vaultClient = client
}
// userpassLogin 使用用户名密码登录vault,获取token
func userpassLogin() (string, error) {
// 创建vault连接客户端
client, err := vault.NewClient(&vault.Config{Address: cfg.Lib.Vault.Address, HttpClient: httpClient})
if err != nil {
return "", err
}
// 配置密码
options := map[string]interface{}{
"password": Password,
}
path := fmt.Sprintf("auth/userpass/login/%s", Username)
// PUT 登录vault,获取token
secret, err := client.Logical().Write(path, options)
if err != nil {
return "", err
}
token := secret.Auth.ClientToken
return token, nil
}
func getSecret(ctx context.Context, secretEngineName string, namespace string, key string) (string, error) {
vaultClient.SetNamespace(namespace)
// 读取secret
secret, err := vaultClient.KVv2(secretEngineName).Get(ctx, vaultClient.Namespace())
if err != nil {
return EmptyString, err
}
value, ok := secret.Data[key].(string)
if !ok {
return EmptyString, fmt.Errorf("获取的%s不是字符串", key)
}
return value, nil
}
func putSecret(ctx context.Context, secretEngineName string, namespace string, secretData map[string]interface{}) error {
vaultClient.SetNamespace(namespace)
_, err := vaultClient.KVv2(secretEngineName).Put(ctx, vaultClient.Namespace(), secretData)
if err != nil {
return err
}
return nil
}
// GetSecret 使用client token访问vault,获取secret,存入配置对象
func (cfg *Config) GetSecret() {
ctx := context.Background()
// 读取jwt_secret
jwtSecret, err := getSecret(ctx, KV, JWT, SECRET)
if err != nil {
LogFailure(VaultDenied, "Vault: jwt_secret获取失败", err)
panic(err)
}
cfg.App.JWTSecret = jwtSecret
// 读取salt
salt, err := getSecret(ctx, KV, PWD, SALT)
if err != nil {
LogFailure(VaultDenied, "Vault: salt获取失败", err)
panic(err)
}
cfg.App.Salt = salt
// 读取rsa string
puk, err := getSecret(ctx, KV, RSA, PUK)
if err != nil {
LogFailure(VaultDenied, "Vault: puk获取失败", err)
panic(err)
}
prk, err := getSecret(ctx, KV, RSA, PRK)
if err != nil {
LogFailure(VaultDenied, "Vault: prk获取失败", err)
panic(err)
}
cfg.App.PublicKeyStr = puk
cfg.App.PrivateKeyStr = prk
// 读取downstream app id 和 secret
for i, downstream := range cfg.Downstreams {
cfg.Downstreams[i].Id, err = getSecret(ctx, KV, fmt.Sprintf("%s/%s", APP, downstream.Name), ID)
if err != nil {
LogFailure(VaultDenied, "Vault: downstream信息获取失败", err)
panic(err)
}
cfg.Downstreams[i].Secret, err = getSecret(ctx, KV, fmt.Sprintf("%s/%s", APP, downstream.Name), SECRET)
if err != nil {
LogFailure(VaultDenied, "Vault: downstream信息获取失败", err)
panic(err)
}
}
}
// PutRSA 新增和修改rsa
func (cfg *Config) PutRSA() {
ctx := context.Background()
// 写入rsa
secretData := map[string]interface{}{
PUK: cfg.App.PublicKeyStr,
PRK: cfg.App.PrivateKeyStr,
}
err := putSecret(ctx, KV, RSA, secretData)
if err != nil {
LogFailure(VaultDenied, fmt.Sprintf("Vault: %s写入失败", RSA), err)
panic(err)
}
// 打印日志
LogSuccess(fmt.Sprintf("Vault: %s写入成功", RSA))
}
// PutSalt 新增和修改salt
func (cfg *Config) PutSalt() {
ctx := context.Background()
// 写入salt
secretData := map[string]interface{}{
SALT: cfg.App.Salt,
}
err := putSecret(ctx, KV, PWD, secretData)
if err != nil {
LogFailure(VaultDenied, fmt.Sprintf("Vault: %s写入失败", SALT), err)
panic(err)
}
// 打印日志
LogSuccess(fmt.Sprintf("Vault: %s写入成功", SALT))
}
// PutAppSecret 新增修改AppId和AppSecret
func (cfg *Config) PutAppSecret() {
ctx := context.Background()
// 写入服务信息
secretData := map[string]interface{}{
ID: cfg.App.Id,
SECRET: cfg.App.Secret,
}
namespace := fmt.Sprintf("%s/%s", APP, cfg.App.Name)
err := putSecret(ctx, KV, namespace, secretData)
if err != nil {
LogFailure(VaultDenied, fmt.Sprintf("Vault: %s写入失败", namespace), err)
panic(err)
}
// 打印日志
LogSuccess(fmt.Sprintf("Vault: %s写入成功", namespace))
}