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vault_handler.go
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vault_handler.go
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package handlers
import (
"errors"
"net/http"
kerr "github.com/krok-o/krok/errors"
"github.com/labstack/echo/v4"
"github.com/rs/zerolog"
"github.com/krok-o/krok/pkg/krok/providers"
"github.com/krok-o/krok/pkg/models"
)
// VaultHandlerDependencies defines the dependencies for the vault settings handler provider.
type VaultHandlerDependencies struct {
Logger zerolog.Logger
Vault providers.Vault
}
// VaultHandler is a handler taking care of vault related api calls.
type VaultHandler struct {
VaultHandlerDependencies
}
var _ providers.VaultHandler = &VaultHandler{}
// NewVaultHandler creates a new vault settings handler.
func NewVaultHandler(deps VaultHandlerDependencies) *VaultHandler {
return &VaultHandler{
VaultHandlerDependencies: deps,
}
}
// GetSecret will return all information including the secret.
// swagger:operation GET /vault/secret/{name} getSecret
// Get a specific secret.
// ---
// produces:
// - application/json
// parameters:
// - name: name
// in: path
// type: string
// required: true
// responses:
// '200':
// schema:
// "$ref": "#/definitions/VaultSetting"
// '400':
// description: 'invalid name'
// schema:
// "$ref": "#/responses/Message"
// '404':
// description: 'secret not found'
// schema:
// "$ref": "#/responses/Message"
// '500':
// description: 'failed to load secrets'
// schema:
// "$ref": "#/responses/Message"
func (v *VaultHandler) GetSecret() echo.HandlerFunc {
return func(c echo.Context) error {
name := c.Param("name")
if name == "" {
return c.JSON(http.StatusBadRequest, kerr.APIError("name parameter missing", http.StatusBadRequest, errors.New("parameter name missing")))
}
// open the vault
if err := v.Vault.LoadSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to open vault", http.StatusInternalServerError, err))
}
value, err := v.Vault.GetSecret(name)
if err != nil {
return c.JSON(http.StatusNotFound, kerr.APIError("secret not found", http.StatusNotFound, err))
}
return c.JSON(http.StatusOK, &models.VaultSetting{
Key: name,
Value: string(value),
})
}
}
// ListSecrets will return all settings, but not the values.
// swagger:operation POST /vault/secrets listSecrets
// List all settings without the values.
// ---
// produces:
// - application/json
// responses:
// '200':
// schema:
// type: array
// items:
// "$ref": "#/definitions/VaultSetting"
// '500':
// description: 'failed to load secrets'
// schema:
// "$ref": "#/responses/Message"
func (v *VaultHandler) ListSecrets() echo.HandlerFunc {
return func(c echo.Context) error {
// open the vault
if err := v.Vault.LoadSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to open vault", http.StatusInternalServerError, err))
}
value := v.Vault.ListSecrets()
return c.JSON(http.StatusOK, value)
}
}
// DeleteSecret deletes secrets.
// swagger:operation DELETE /vault/secret/{name} deleteSecret
// Deletes the given secret.
// ---
// parameters:
// - name: name
// in: path
// description: 'The key of the secret'
// required: true
// type: string
// responses:
// '200':
// description: 'OK in case the deletion was successful'
// '400':
// description: 'in case of missing name'
// schema:
// "$ref": "#/responses/Message"
// '404':
// description: 'in case the secret was not found'
// schema:
// "$ref": "#/responses/Message"
// '500':
// description: 'when the deletion operation failed'
// schema:
// "$ref": "#/responses/Message"
func (v *VaultHandler) DeleteSecret() echo.HandlerFunc {
return func(c echo.Context) error {
name := c.Param("name")
if name == "" {
return c.JSON(http.StatusBadRequest, kerr.APIError("name parameter missing", http.StatusBadRequest, errors.New("parameter name missing")))
}
// open the vault
if err := v.Vault.LoadSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to open vault", http.StatusInternalServerError, err))
}
// we get first in order to return something to the user.
if _, err := v.Vault.GetSecret(name); err != nil {
return c.JSON(http.StatusNotFound, kerr.APIError("secret not found", http.StatusNotFound, err))
}
v.Vault.DeleteSecret(name)
if err := v.Vault.SaveSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to save the vault after delete", http.StatusInternalServerError, err))
}
return c.NoContent(http.StatusOK)
}
}
// UpdateSecret will update a given secret.
// swagger:operation POST /vault/secret/update updateSecret
// Updates an existing secret.
// ---
// consumes:
// - application/json
// parameters:
// - name: secret
// in: body
// required: true
// schema:
// "$ref": "#/definitions/VaultSetting"
// responses:
// '200':
// description: 'OK setting successfully updated'
// '400':
// description: 'invalid json payload'
// schema:
// "$ref": "#/responses/Message"
// '404':
// description: 'setting not found'
// schema:
// "$ref": "#/responses/Message"
// '500':
// description: 'failed to update secret'
// schema:
// "$ref": "#/responses/Message"
func (v *VaultHandler) UpdateSecret() echo.HandlerFunc {
return func(c echo.Context) error {
var update *models.VaultSetting
if err := c.Bind(&update); err != nil {
return c.JSON(http.StatusBadRequest, kerr.APIError("failed to bind vault settings", http.StatusBadRequest, err))
}
// open the vault
if err := v.Vault.LoadSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to open vault", http.StatusInternalServerError, err))
}
// we get first in order to return something to the user.
if _, err := v.Vault.GetSecret(update.Key); err != nil {
return c.JSON(http.StatusNotFound, kerr.APIError("secret not found", http.StatusNotFound, err))
}
v.Vault.AddSecret(update.Key, []byte(update.Value))
if err := v.Vault.SaveSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to save the vault after update", http.StatusInternalServerError, err))
}
return c.NoContent(http.StatusOK)
}
}
// CreateSecret will create a new secret.
// swagger:operation POST /vault/secret createSecret
// Create a new secure secret.
// ---
// consumes:
// - application/json
// parameters:
// - name: secret
// in: body
// required: true
// schema:
// "$ref": "#/definitions/VaultSetting"
// responses:
// '200':
// description: 'OK setting successfully create'
// '400':
// description: 'invalid json payload'
// schema:
// "$ref": "#/responses/Message"
// '500':
// description: 'failed to create secret'
// schema:
// "$ref": "#/responses/Message"
func (v *VaultHandler) CreateSecret() echo.HandlerFunc {
return func(c echo.Context) error {
var vaultSetting *models.VaultSetting
if err := c.Bind(&vaultSetting); err != nil {
return c.JSON(http.StatusBadRequest, kerr.APIError("failed to bind vault settings", http.StatusBadRequest, err))
}
// open the vault
if err := v.Vault.LoadSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to open vault", http.StatusInternalServerError, err))
}
v.Vault.AddSecret(vaultSetting.Key, []byte(vaultSetting.Value))
if err := v.Vault.SaveSecrets(); err != nil {
return c.JSON(http.StatusInternalServerError, kerr.APIError("failed to save the vault after creation", http.StatusInternalServerError, err))
}
return c.NoContent(http.StatusCreated)
}
}