78 lines
2.3 KiB
Java
78 lines
2.3 KiB
Java
package org.thoughtcrime.securesms.mms;
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import android.content.Context;
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import android.net.Uri;
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import android.support.annotation.NonNull;
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import com.bumptech.glide.load.data.DataFetcher;
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import com.bumptech.glide.load.model.GenericLoaderFactory;
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import com.bumptech.glide.load.model.ModelLoader;
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import com.bumptech.glide.load.model.ModelLoaderFactory;
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import com.bumptech.glide.load.model.stream.StreamModelLoader;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
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import java.io.InputStream;
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/**
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* A {@link ModelLoader} for translating uri models into {@link InputStream} data. Capable of handling 'http',
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* 'https', 'android.resource', 'content', and 'file' schemes. Unsupported schemes will throw an exception in
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* {@link #getResourceFetcher(Uri, int, int)}.
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*/
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public class DecryptableStreamUriLoader implements StreamModelLoader<DecryptableUri> {
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private final Context context;
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/**
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* THe default factory for {@link com.bumptech.glide.load.model.stream.StreamUriLoader}s.
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*/
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public static class Factory implements ModelLoaderFactory<DecryptableUri, InputStream> {
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@Override
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public StreamModelLoader<DecryptableUri> build(Context context, GenericLoaderFactory factories) {
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return new DecryptableStreamUriLoader(context);
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}
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@Override
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public void teardown() {
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// Do nothing.
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}
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}
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public DecryptableStreamUriLoader(Context context) {
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this.context = context;
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}
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@Override
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public DataFetcher<InputStream> getResourceFetcher(DecryptableUri model, int width, int height) {
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return new DecryptableStreamLocalUriFetcher(context, model.masterSecret, model.uri);
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}
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public static class DecryptableUri {
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public @NonNull MasterSecret masterSecret;
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public @NonNull Uri uri;
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public DecryptableUri(@NonNull MasterSecret masterSecret, @NonNull Uri uri) {
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this.masterSecret = masterSecret;
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this.uri = uri;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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DecryptableUri that = (DecryptableUri)o;
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return uri.equals(that.uri);
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}
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@Override
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public int hashCode() {
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return uri.hashCode();
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}
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}
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}
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