Benoit Marty
11 months ago
4 changed files with 87 additions and 1 deletions
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/* |
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* Copyright (c) 2023 New Vector Ltd |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package io.element.android.features.securebackup.impl.tools |
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import javax.inject.Inject |
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private const val RECOVERY_KEY_LENGTH = 48 |
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private const val BASE_58_ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz" |
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class RecoveryKeyTools @Inject constructor() { |
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fun isRecoveryKeyFormatValid(recoveryKey: String): Boolean { |
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val recoveryKeyWithoutSpace = recoveryKey.replace("\\s+".toRegex(), "") |
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return recoveryKeyWithoutSpace.length == RECOVERY_KEY_LENGTH && recoveryKeyWithoutSpace.all { BASE_58_ALPHABET.contains(it) } |
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} |
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} |
@ -0,0 +1,46 @@ |
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/* |
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* Copyright (c) 2023 New Vector Ltd |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package io.element.android.features.securebackup.impl.tools |
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import com.google.common.truth.Truth.assertThat |
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import org.junit.Test |
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class RecoveryKeyToolsTest { |
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@Test |
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fun `isRecoveryKeyFormatValid return false for invalid key`() { |
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val sut = RecoveryKeyTools() |
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assertThat(sut.isRecoveryKeyFormatValid("")).isFalse() |
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// Wrong size |
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assertThat(sut.isRecoveryKeyFormatValid("abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabc")).isFalse() |
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assertThat(sut.isRecoveryKeyFormatValid("abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcda")).isFalse() |
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// Wrong alphabet 0 |
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assertThat(sut.isRecoveryKeyFormatValid("0bcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd")).isFalse() |
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// Wrong alphabet O |
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assertThat(sut.isRecoveryKeyFormatValid("Obcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd")).isFalse() |
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// Wrong alphabet l |
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assertThat(sut.isRecoveryKeyFormatValid("lbcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd")).isFalse() |
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} |
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@Test |
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fun `isRecoveryKeyFormatValid return true for valid key`() { |
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val sut = RecoveryKeyTools() |
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assertThat(sut.isRecoveryKeyFormatValid("abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd")).isTrue() |
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// Spaces does not count |
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assertThat(sut.isRecoveryKeyFormatValid("abcd abcd abcd abcd abcd abcd abcd abcd abcd abcd abcd abcd")).isTrue() |
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} |
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} |
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