open-consul/agent/connect/ca/provider_vault_auth_jwt.go

54 lines
1.3 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package ca
import (
"fmt"
"os"
"strings"
"github.com/hashicorp/consul/agent/structs"
)
func NewJwtAuthClient(authMethod *structs.VaultAuthMethod) (*VaultAuthClient, error) {
params := authMethod.Params
role, ok := params["role"].(string)
if !ok || strings.TrimSpace(role) == "" {
return nil, fmt.Errorf("missing 'role' value")
}
authClient := NewVaultAPIAuthClient(authMethod, "")
if legacyCheck(params, "jwt") {
return authClient, nil
}
// The path is required for the auto-auth config, but this auth provider
// seems to be used for jwt based auth by directly passing the jwt token.
// So we only require the token file path if the token string isn't
// present.
tokenPath, ok := params["path"].(string)
if !ok || strings.TrimSpace(tokenPath) == "" {
return nil, fmt.Errorf("missing 'path' value")
}
authClient.LoginDataGen = JwtLoginDataGen
return authClient, nil
}
func JwtLoginDataGen(authMethod *structs.VaultAuthMethod) (map[string]any, error) {
params := authMethod.Params
role := params["role"].(string)
tokenPath := params["path"].(string)
rawToken, err := os.ReadFile(tokenPath)
if err != nil {
return nil, err
}
return map[string]any{
"role": role,
"jwt": strings.TrimSpace(string(rawToken)),
}, nil
}