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adding vault id functionality and vault access revocation functionality
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| package vaults | ||
|
|
||
| import "savesecrets.org/slv/core/crypto" | ||
|
|
||
| func (vlt *Vault) Share(publicKey *crypto.PublicKey) (bool, error) { | ||
| if vlt.IsLocked() { | ||
| return false, errVaultLocked | ||
| } | ||
| if publicKey.Type() == VaultKey { | ||
| return false, errVaultCannotBeSharedWithVault | ||
| } | ||
| for _, wrappedKeyStr := range vlt.Config.WrappedKeys { | ||
| wrappedKey := &crypto.WrappedKey{} | ||
| if err := wrappedKey.FromString(wrappedKeyStr); err != nil { | ||
| return false, err | ||
| } | ||
| if wrappedKey.IsEncryptedBy(publicKey) { | ||
| return false, nil | ||
| } | ||
| } | ||
| wrappedKey, err := publicKey.EncryptKey(*vlt.secretKey) | ||
| if err == nil { | ||
| vlt.Config.WrappedKeys = append(vlt.Config.WrappedKeys, wrappedKey.String()) | ||
| err = vlt.commit() | ||
| } | ||
| return err == nil, err | ||
| } | ||
|
|
||
| func (vlt *Vault) Revoke(publicKey *crypto.PublicKey, rotateVaultKeyPair bool) error { | ||
| if rotateVaultKeyPair { | ||
| if vlt.IsLocked() { | ||
| return errVaultLocked | ||
| } | ||
| accessors, err := vlt.ListAccessors() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| var newAccessors []crypto.PublicKey | ||
| for _, accessor := range accessors { | ||
| if accessor.String() != publicKey.String() { | ||
| newAccessors = append(newAccessors, accessor) | ||
| } | ||
| } | ||
| if len(newAccessors) == len(accessors) { | ||
| return nil | ||
| } | ||
| secretsMap, err := vlt.GetAllSecrets() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| vaultSecretKey, err := crypto.NewSecretKey(VaultKey) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| vaultPublicKey, err := vaultSecretKey.PublicKey() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| vlt.publicKey = vaultPublicKey | ||
| vlt.Config.PublicKey = vaultPublicKey.String() | ||
| vlt.secretKey = vaultSecretKey | ||
| vlt.Config.WrappedKeys = []string{} | ||
| for _, accessor := range newAccessors { | ||
| wrappedKey, err := accessor.EncryptKey(*vlt.secretKey) | ||
| if err == nil { | ||
| vlt.Config.WrappedKeys = append(vlt.Config.WrappedKeys, wrappedKey.String()) | ||
| } else { | ||
| return err | ||
| } | ||
| } | ||
| for secretName, secretValue := range secretsMap { | ||
| if err = vlt.putSecretWithoutCommit(secretName, secretValue); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return vlt.commit() | ||
| } else { | ||
| for i, wrappedKeyStr := range vlt.Config.WrappedKeys { | ||
| wrappedKey := &crypto.WrappedKey{} | ||
| if err := wrappedKey.FromString(wrappedKeyStr); err != nil { | ||
| return err | ||
| } | ||
| if !wrappedKey.IsEncryptedBy(publicKey) { | ||
| vlt.Config.WrappedKeys = append(vlt.Config.WrappedKeys[:i], vlt.Config.WrappedKeys[i+1:]...) | ||
| return vlt.commit() | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (vlt *Vault) ListAccessors() ([]crypto.PublicKey, error) { | ||
| var accessors []crypto.PublicKey | ||
| for _, wrappedKeyStr := range vlt.Config.WrappedKeys { | ||
| wrappedKey := &crypto.WrappedKey{} | ||
| err := wrappedKey.FromString(wrappedKeyStr) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| accessors = append(accessors, wrappedKey.EncryptedBy()) | ||
| } | ||
| return accessors, nil | ||
| } | ||
|
|
||
| func (vlt *Vault) Unlock(secretKey crypto.SecretKey) error { | ||
| publicKey, err := secretKey.PublicKey() | ||
| if err != nil || (!vlt.IsLocked() && *vlt.unlockedBy == publicKey.String()) { | ||
| return err | ||
| } | ||
| for _, wrappedKeyStr := range vlt.Config.WrappedKeys { | ||
| wrappedKey := &crypto.WrappedKey{} | ||
| if err = wrappedKey.FromString(wrappedKeyStr); err != nil { | ||
| return err | ||
| } | ||
| decryptedKey, err := secretKey.DecryptKey(*wrappedKey) | ||
| if err == nil { | ||
| vlt.secretKey = decryptedKey | ||
| vlt.unlockedBy = new(string) | ||
| *vlt.unlockedBy = publicKey.String() | ||
| return nil | ||
| } | ||
| } | ||
| return errVaultNotAccessible | ||
| } |
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