56 lines
1.6 KiB
Java
56 lines
1.6 KiB
Java
// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package pgp.vks.client.v1.impl;
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import pgp.vks.client.Get;
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import pgp.vks.client.exception.CertNotFoundException;
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import javax.net.ssl.HttpsURLConnection;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.ConnectException;
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import java.net.URL;
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public class GetImpl implements Get {
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private final URLMapper api;
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public GetImpl(URLMapper api) {
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this.api = api;
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}
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@Override
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public InputStream byFingerprint(String fingerprint) throws IOException {
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URL url = api.getByFingerprint(fingerprint);
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return fetchFromUrl(url);
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}
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@Override
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public InputStream byKeyId(long keyId) throws IOException {
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URL url = api.getByKeyid(keyId);
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return fetchFromUrl(url);
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}
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@Override
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public InputStream byEmail(String email) throws IOException {
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URL url = api.getByEmail(email);
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return fetchFromUrl(url);
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}
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private InputStream fetchFromUrl(URL url) throws IOException {
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HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
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connection.setRequestMethod("GET");
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int status = connection.getResponseCode();
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if (status == 200) {
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return connection.getInputStream();
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} else if (status == 404) {
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throw new CertNotFoundException("Certificate not found. Status Code: 404");
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} else {
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throw new ConnectException("Cannot retrieve certificate. Status Code: " + status);
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}
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}
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}
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