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/*
* SonarQube
* Copyright (C) 2009-2022 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.scanner.cache;
import java.io.IOException;
import java.io.InputStream;
import java.util.Optional;
import java.util.zip.InflaterInputStream;
import org.sonar.api.scanner.fs.InputProject;
import org.sonar.api.utils.MessageException;
import org.sonar.core.util.Protobuf;
import org.sonar.scanner.bootstrap.DefaultScannerWsClient;
import org.sonar.scanner.protocol.internal.ScannerInternal;
import org.sonar.scanner.protocol.internal.ScannerInternal.AnalysisCacheMsg;
import org.sonar.scanner.scan.branch.BranchConfiguration;
import org.sonar.scanner.scan.branch.BranchType;
import org.sonarqube.ws.client.GetRequest;
import org.sonarqube.ws.client.HttpException;
import org.sonarqube.ws.client.WsResponse;
/**
* Loads plugin cache into the local storage
*/
public class AnalysisCacheLoader {
static final String CONTENT_ENCODING = "Content-Encoding";
static final String ACCEPT_ENCODING = "Accept-Encoding";
private static final String URL = "api/analysis_cache/get";
private final DefaultScannerWsClient wsClient;
private final InputProject project;
private final BranchConfiguration branchConfiguration;
public AnalysisCacheLoader(DefaultScannerWsClient wsClient, InputProject project, BranchConfiguration branchConfiguration) {
this.project = project;
this.branchConfiguration = branchConfiguration;
this.wsClient = wsClient;
}
public Optional<AnalysisCacheMsg> load() {
String url = URL + "?project=" + project.key();
if (branchConfiguration.referenceBranchName() != null) {
url = url + "&branch=" + branchConfiguration.referenceBranchName();
}
GetRequest request = new GetRequest(url).setHeader(ACCEPT_ENCODING, "gzip");
try (WsResponse response = wsClient.call(request); InputStream is = response.contentStream()) {
Optional<String> contentEncoding = response.header(CONTENT_ENCODING);
if (contentEncoding.isPresent() && contentEncoding.get().equals("gzip")) {
return Optional.of(decompress(is));
} else {
return Optional.of(Protobuf.read(is, AnalysisCacheMsg.parser()));
}
} catch (HttpException e) {
if (e.code() == 404) {
return Optional.empty();
}
throw MessageException.of("Failed to download analysis cache: " + DefaultScannerWsClient.createErrorMessage(e));
} catch (Exception e) {
throw new IllegalStateException("Failed to download analysis cache", e);
}
}
private static AnalysisCacheMsg decompress(InputStream is) {
try (InflaterInputStream iis = new InflaterInputStream(is)) {
return Protobuf.read(iis, ScannerInternal.AnalysisCacheMsg.parser());
} catch (IOException e) {
throw new IllegalStateException("Failed to decompress analysis cache", e);
}
}
}
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