1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 //! In-memory store for nonsecure Secretkeeper. 18 19 use secretkeeper_comm::data_types::error::Error; 20 use secretkeeper_core::store::KeyValueStore; 21 use std::collections::HashMap; 22 23 /// An in-memory implementation of [`KeyValueStore`]. Please note that this is entirely for testing 24 /// purposes. Refer to the documentation of `PolicyGatedStorage` and Secretkeeper HAL for 25 /// persistence requirements. 26 #[derive(Default)] 27 pub struct InMemoryStore(HashMap<Vec<u8>, Vec<u8>>); 28 impl KeyValueStore for InMemoryStore { store(&mut self, key: &[u8], val: &[u8]) -> Result<(), Error>29 fn store(&mut self, key: &[u8], val: &[u8]) -> Result<(), Error> { 30 // This will overwrite the value if key is already present. 31 let _ = self.0.insert(key.to_vec(), val.to_vec()); 32 Ok(()) 33 } 34 get(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error>35 fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error> { 36 let optional_val = self.0.get(key); 37 Ok(optional_val.cloned()) 38 } 39 delete(&mut self, key: &[u8]) -> Result<(), Error>40 fn delete(&mut self, key: &[u8]) -> Result<(), Error> { 41 self.0.remove(key); 42 Ok(()) 43 } 44 delete_all(&mut self) -> Result<(), Error>45 fn delete_all(&mut self) -> Result<(), Error> { 46 self.0.clear(); 47 Ok(()) 48 } 49 } 50