Joe Julian
82 lines
2.8 KiB
Java
82 lines
2.8 KiB
Java
package org.julianfamily.keepassgo;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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public final class AndroidShare {
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private static final String DEFAULT_TITLE = "KeePassGO Vault";
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private AndroidShare() {
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}
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public static void shareVault(Context context, String path, String title) throws IOException {
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File source = new File(path);
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if (!source.isFile()) {
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throw new IOException("vault file not found: " + path);
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}
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File shared = copyToSharedExport(context, source);
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Uri uri = SharedVaultProvider.uriForFile(shared.getName());
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Intent send = new Intent(Intent.ACTION_SEND);
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send.setType("application/x-keepass2");
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send.putExtra(Intent.EXTRA_STREAM, uri);
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send.putExtra(Intent.EXTRA_TITLE, sanitizeTitle(title, source.getName()));
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send.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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Intent chooser = Intent.createChooser(send, "Share vault");
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chooser.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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chooser.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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context.startActivity(chooser);
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}
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static File sharedDirectory(Context context) {
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return new File(new File(context.getFilesDir(), "keepassgo"), "shared");
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}
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private static File copyToSharedExport(Context context, File source) throws IOException {
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File dir = sharedDirectory(context);
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if (!dir.exists() && !dir.mkdirs()) {
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throw new IOException("failed to create " + dir.getAbsolutePath());
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}
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File target = new File(dir, sanitizeFilename(source.getName()));
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try (FileInputStream in = new FileInputStream(source);
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FileOutputStream out = new FileOutputStream(target, false)) {
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byte[] buffer = new byte[8192];
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int count;
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while ((count = in.read(buffer)) >= 0) {
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out.write(buffer, 0, count);
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}
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}
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return target;
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}
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private static String sanitizeFilename(String name) {
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String trimmed = name == null ? "" : name.trim();
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if (trimmed.isEmpty()) {
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return "shared-vault.kdbx";
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}
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if (trimmed.endsWith(".kdbx")) {
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return trimmed;
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}
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return trimmed + ".kdbx";
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}
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private static String sanitizeTitle(String title, String fallbackName) {
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String trimmed = title == null ? "" : title.trim();
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if (!trimmed.isEmpty()) {
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return trimmed;
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}
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String fallback = fallbackName == null ? "" : fallbackName.trim();
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if (!fallback.isEmpty()) {
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return fallback;
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}
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return DEFAULT_TITLE;
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}
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}
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