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package vault
import (
"context"
"encoding/json"
"fmt"
"golang.org/x/oauth2/clientcredentials"
"net/http"
"time"
"github.com/hashicorp/vault-client-go"
"github.com/hashicorp/vault-client-go/schema"
log "github.com/sirupsen/logrus"
)
// GetJWTToken fetches the raw token using client credentials and returns the access token as a string.
func GetJWTToken(clientID string, clientSecret string, tokenURL string) string {
ctx := context.Background()
clientCredsConfig := clientcredentials.Config{
ClientID: clientID,
ClientSecret: clientSecret,
TokenURL: tokenURL,
}
// Fetch the token using the client credentials
token, err := clientCredsConfig.TokenSource(ctx).Token()
if err != nil {
fmt.Printf("Error getting token: %v\n", err)
return ""
}
// Return the raw access token
return token.AccessToken
}
func VaultWithJWT(ctx context.Context, roles string, jwt string) *vault.Client {
// prepare a client with the given base address
client, err := vault.New(
vault.WithAddress("http://localhost:8200"),
vault.WithRequestTimeout(30*time.Second),
)
if err != nil {
log.Panic(err)
}
request := schema.JwtLoginRequest{
Jwt: jwt,
Role: roles,
}
resp, err := client.Auth.JwtLogin(ctx, request)
if err != nil {
log.Panic(resp, err)
}
err = client.SetToken(resp.Auth.ClientToken)
if err != nil {
log.Panic(err)
}
return client
}
func VaultWithUserPass(ctx context.Context, username, password string) *vault.Client {
// prepare a client with the given base address
client, err := vault.New(
vault.WithAddress("http://localhost:8200"),
vault.WithRequestTimeout(30*time.Second),
)
if err != nil {
log.Panic(err)
}
client.SetRequestCallbacks(func(req *http.Request) {
log.Println("REQUEST:", *req.URL)
})
request := schema.UserpassLoginRequest{
Password: password,
}
// authenticate with a root token (insecure)
resp, err := client.Auth.UserpassLogin(ctx, username, request)
if err != nil {
log.WithError(err).Panic("Problem logging in with username and password")
}
err = client.SetToken(resp.Auth.ClientToken)
if err != nil {
log.Panic(err)
}
return client
}
func VaultWithToken(token string) *vault.Client {
// prepare a client with the given base address
client, err := vault.New(
vault.WithAddress("http://localhost:8200"),
vault.WithRequestTimeout(30*time.Second),
)
if err != nil {
log.Panic(err)
}
//client.SetRequestCallbacks(func(req *http.Request) {
// log.Println("REQUEST:", *req.URL)
//})
// authenticate with a root token (insecure)
if err := client.SetToken(token); err != nil {
log.Panic(err)
}
return client
}
// WritingAPIKeyToVault writes the API key to a Vault using the given secret data.
//
// The function converts the secret data into a map and writes it to the Vault.
// If any error occurs during this process, it returns the error.
//
// Parameters:
// - ctx: The context for the operation.
// - client: The Vault client used to perform the write operation.
// - secretData: The secret data to be written to the Vault.
//
// Returns an error if the operation fails.
func WritingAPIKeyToVault[T SecretDataTypes](ctx context.Context, client *vault.Client, secretData SecretData[T]) error {
secret, err := SecretToMap(secretData)
if err != nil {
return err
}
request := schema.KvV2WriteRequest{
Data: secret,
}
_, err = client.Secrets.KvV2Write(ctx, secretData.UserSourceID, request, vault.WithMountPath(secretData.Secret.GetMountPath()))
if err != nil {
daaata, _ := json.Marshal(client)
log.Trace(string(daaata))
log.WithField("mount_path", secretData.Secret.GetMountPath()).Panic(err)
}
return nil
}
// ReadingApiKeyFromVault reads the API key from a Vault and populates the given secret data.
//
// The function reads the data from the Vault, converts it back into the appropriate secret type,
// and assigns it to the provided secret data structure.
// If any error occurs during this process, it returns the error.
//
// Parameters:
// - ctx: The context for the operation.
// - client: The Vault client used to perform the read operation.
// - secretData: A pointer to the secret data structure to be populated with the read data.
//
// Returns an error if the operation fails.
func ReadingApiKeyFromVault[T SecretDataTypes](ctx context.Context, client *vault.Client, secretData *SecretData[T]) error {
data, err := client.Secrets.KvV2Read(ctx, secretData.UserSourceID, vault.WithMountPath(secretData.Secret.GetMountPath()))
if err != nil {
log.Panic(err)
}
secret, err := MapToSecret[T](data.Data.Data)
if err != nil {
return err
}
secretData.Secret = secret
return nil
}