portainer/api/apikey/service.go

128 lines
4.0 KiB
Go

package apikey
import (
"crypto/sha256"
"encoding/base64"
"fmt"
"time"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/dataservices"
"github.com/pkg/errors"
)
const portainerAPIKeyPrefix = "ptr_"
var ErrInvalidAPIKey = errors.New("Invalid API key")
type apiKeyService struct {
apiKeyRepository dataservices.APIKeyRepository
userRepository dataservices.UserService
cache *apiKeyCache
}
func NewAPIKeyService(apiKeyRepository dataservices.APIKeyRepository, userRepository dataservices.UserService) *apiKeyService {
return &apiKeyService{
apiKeyRepository: apiKeyRepository,
userRepository: userRepository,
cache: NewAPIKeyCache(defaultAPIKeyCacheSize),
}
}
// HashRaw computes a hash digest of provided raw API key.
func (a *apiKeyService) HashRaw(rawKey string) []byte {
hashDigest := sha256.Sum256([]byte(rawKey))
return hashDigest[:]
}
// GenerateApiKey generates a raw API key for a user (for one-time display).
// The generated API key is stored in the cache and database.
func (a *apiKeyService) GenerateApiKey(user portainer.User, description string) (string, *portainer.APIKey, error) {
randKey := generateRandomKey(32)
encodedRawAPIKey := base64.StdEncoding.EncodeToString(randKey)
prefixedAPIKey := portainerAPIKeyPrefix + encodedRawAPIKey
hashDigest := a.HashRaw(prefixedAPIKey)
apiKey := &portainer.APIKey{
UserID: user.ID,
Description: description,
Prefix: prefixedAPIKey[:7],
DateCreated: time.Now().Unix(),
Digest: hashDigest,
}
err := a.apiKeyRepository.CreateAPIKey(apiKey)
if err != nil {
return "", nil, errors.Wrap(err, "Unable to create API key")
}
// persist api-key to cache
a.cache.Set(apiKey.Digest, user, *apiKey)
return prefixedAPIKey, apiKey, nil
}
// GetAPIKey returns an API key by its ID.
func (a *apiKeyService) GetAPIKey(apiKeyID portainer.APIKeyID) (*portainer.APIKey, error) {
return a.apiKeyRepository.GetAPIKey(apiKeyID)
}
// GetAPIKeys returns all the API keys associated to a user.
func (a *apiKeyService) GetAPIKeys(userID portainer.UserID) ([]portainer.APIKey, error) {
return a.apiKeyRepository.GetAPIKeysByUserID(userID)
}
// GetDigestUserAndKey returns the user and api-key associated to a specified hash digest.
// A cache lookup is performed first; if the user/api-key is not found in the cache, respective database lookups are performed.
func (a *apiKeyService) GetDigestUserAndKey(digest []byte) (portainer.User, portainer.APIKey, error) {
// get api key from cache if possible
cachedUser, cachedKey, ok := a.cache.Get(digest)
if ok {
return cachedUser, cachedKey, nil
}
apiKey, err := a.apiKeyRepository.GetAPIKeyByDigest(digest)
if err != nil {
return portainer.User{}, portainer.APIKey{}, errors.Wrap(err, "Unable to retrieve API key")
}
user, err := a.userRepository.User(apiKey.UserID)
if err != nil {
return portainer.User{}, portainer.APIKey{}, errors.Wrap(err, "Unable to retrieve digest user")
}
// persist api-key to cache - for quicker future lookups
a.cache.Set(apiKey.Digest, *user, *apiKey)
return *user, *apiKey, nil
}
// UpdateAPIKey updates an API key and in cache and database.
func (a *apiKeyService) UpdateAPIKey(apiKey *portainer.APIKey) error {
user, _, err := a.GetDigestUserAndKey(apiKey.Digest)
if err != nil {
return errors.Wrap(err, "Unable to retrieve API key")
}
a.cache.Set(apiKey.Digest, user, *apiKey)
return a.apiKeyRepository.UpdateAPIKey(apiKey)
}
// DeleteAPIKey deletes an API key and removes the digest/api-key entry from the cache.
func (a *apiKeyService) DeleteAPIKey(apiKeyID portainer.APIKeyID) error {
// get api-key digest to remove from cache
apiKey, err := a.apiKeyRepository.GetAPIKey(apiKeyID)
if err != nil {
return errors.Wrap(err, fmt.Sprintf("Unable to retrieve API key: %d", apiKeyID))
}
// delete the user/api-key from cache
a.cache.Delete(apiKey.Digest)
return a.apiKeyRepository.DeleteAPIKey(apiKeyID)
}
func (a *apiKeyService) InvalidateUserKeyCache(userId portainer.UserID) bool {
return a.cache.InvalidateUserKeyCache(userId)
}