ganfra
1 year ago
17 changed files with 107 additions and 39 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.messages.impl.timeline.util |
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import android.webkit.MimeTypeMap |
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import com.squareup.anvil.annotations.ContributesBinding |
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import io.element.android.libraries.di.AppScope |
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import javax.inject.Inject |
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interface FileExtensionExtractor { |
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fun extractFromName(name: String): String |
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} |
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@ContributesBinding(AppScope::class) |
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class FileExtensionExtractorWithValidation @Inject constructor() : FileExtensionExtractor { |
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override fun extractFromName(name: String): String { |
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val fileExtension = name.substringAfterLast('.', "") |
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// Makes sure the extension is known by the system, otherwise default to binary extension. |
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return if (MimeTypeMap.getSingleton().hasExtension(fileExtension)) { |
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fileExtension |
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} else { |
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"bin" |
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} |
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} |
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} |
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class FileExtensionExtractorWithoutValidation : FileExtensionExtractor { |
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override fun extractFromName(name: String): String { |
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return name.substringAfterLast('.', "") |
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} |
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} |
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