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Gradle 6.9.1 API redistribution.
/*
* Copyright 2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.caching.http.internal;
import com.google.common.collect.ImmutableSet;
import org.apache.commons.lang.IncompleteArgumentException;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpMessage;
import org.apache.http.HttpStatus;
import org.apache.http.StatusLine;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.utils.HttpClientUtils;
import org.apache.http.entity.AbstractHttpEntity;
import org.gradle.api.UncheckedIOException;
import org.gradle.caching.BuildCacheEntryReader;
import org.gradle.caching.BuildCacheEntryWriter;
import org.gradle.caching.BuildCacheException;
import org.gradle.caching.BuildCacheKey;
import org.gradle.caching.BuildCacheService;
import org.gradle.caching.internal.tasks.TaskOutputPacker;
import org.gradle.internal.UncheckedException;
import org.gradle.internal.resource.transport.http.HttpClientHelper;
import org.gradle.util.GradleVersion;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.Set;
/**
* Build cache implementation that delegates to a service accessible via HTTP.
*/
public class HttpBuildCacheService implements BuildCacheService {
private static final Logger LOGGER = LoggerFactory.getLogger(HttpBuildCacheService.class);
static final String BUILD_CACHE_CONTENT_TYPE = "application/vnd.gradle.build-cache-artifact.v" + TaskOutputPacker.CACHE_ENTRY_FORMAT;
private static final Set FATAL_HTTP_ERROR_CODES = ImmutableSet.of(
HttpStatus.SC_USE_PROXY,
HttpStatus.SC_BAD_REQUEST,
HttpStatus.SC_UNAUTHORIZED, HttpStatus.SC_FORBIDDEN, HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED,
HttpStatus.SC_METHOD_NOT_ALLOWED,
HttpStatus.SC_NOT_ACCEPTABLE, HttpStatus.SC_LENGTH_REQUIRED, HttpStatus.SC_UNSUPPORTED_MEDIA_TYPE, HttpStatus.SC_EXPECTATION_FAILED,
426, // Upgrade required
HttpStatus.SC_HTTP_VERSION_NOT_SUPPORTED,
511 // network authentication required
);
private final URI root;
private final URI safeUri;
private final HttpClientHelper httpClientHelper;
public HttpBuildCacheService(HttpClientHelper httpClientHelper, URI url) {
if (!url.getPath().endsWith("/")) {
throw new IncompleteArgumentException("HTTP cache root URI must end with '/'");
}
this.root = url;
this.safeUri = safeUri(url);
this.httpClientHelper = httpClientHelper;
}
@Override
public boolean load(BuildCacheKey key, BuildCacheEntryReader reader) throws BuildCacheException {
final URI uri = root.resolve("./" + key.getHashCode());
HttpGet httpGet = new HttpGet(uri);
httpGet.addHeader(HttpHeaders.ACCEPT, BUILD_CACHE_CONTENT_TYPE + ", */*");
addDiagnosticHeaders(httpGet);
CloseableHttpResponse response = null;
try {
response = httpClientHelper.performHttpRequest(httpGet);
StatusLine statusLine = response.getStatusLine();
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Response for GET {}: {}", safeUri(uri), statusLine);
}
int statusCode = statusLine.getStatusCode();
if (isHttpSuccess(statusCode)) {
reader.readFrom(response.getEntity().getContent());
return true;
} else if (statusCode == HttpStatus.SC_NOT_FOUND) {
return false;
} else {
return throwHttpStatusCodeException(
statusCode,
String.format("Loading entry from '%s' response status %d: %s", safeUri(uri), statusCode, statusLine.getReasonPhrase()));
}
} catch (IOException e) {
// TODO: We should consider different types of exceptions as fatal/recoverable.
// Right now, everything is considered recoverable.
throw new BuildCacheException(String.format("Unable to load entry from '%s'", safeUri(uri)), e);
} finally {
HttpClientUtils.closeQuietly(response);
}
}
private void addDiagnosticHeaders(HttpMessage request) {
request.addHeader("X-Gradle-Version", GradleVersion.current().getVersion());
}
@Override
public void store(BuildCacheKey key, final BuildCacheEntryWriter output) throws BuildCacheException {
final URI uri = root.resolve(key.getHashCode());
HttpPut httpPut = new HttpPut(uri);
httpPut.addHeader(HttpHeaders.CONTENT_TYPE, BUILD_CACHE_CONTENT_TYPE);
addDiagnosticHeaders(httpPut);
httpPut.setEntity(new AbstractHttpEntity() {
@Override
public boolean isRepeatable() {
return true;
}
@Override
public long getContentLength() {
return -1;
}
@Override
public InputStream getContent() throws IOException, UnsupportedOperationException {
throw new UnsupportedOperationException();
}
@Override
public void writeTo(OutputStream outstream) throws IOException {
output.writeTo(outstream);
}
@Override
public boolean isStreaming() {
return false;
}
});
CloseableHttpResponse response = null;
try {
response = httpClientHelper.performHttpRequest(httpPut);
StatusLine statusLine = response.getStatusLine();
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Response for PUT {}: {}", safeUri(uri), statusLine);
}
int statusCode = statusLine.getStatusCode();
if (!isHttpSuccess(statusCode)) {
throwHttpStatusCodeException(
statusCode,
String.format("Storing entry at '%s' response status %d: %s", safeUri(uri), statusCode, statusLine.getReasonPhrase())
);
}
} catch (UnknownHostException e) {
throw new UncheckedException(e);
} catch (IOException e) {
// TODO: We should consider different types of exceptions as fatal/recoverable.
// Right now, everything is considered recoverable.
throw new BuildCacheException(String.format("Unable to store entry at '%s'", safeUri(uri)), e);
} finally {
HttpClientUtils.closeQuietly(response);
}
}
private boolean isHttpSuccess(int statusCode) {
return statusCode >= 200 && statusCode < 300;
}
private boolean throwHttpStatusCodeException(int statusCode, String message) {
if (FATAL_HTTP_ERROR_CODES.contains(statusCode)) {
throw new UncheckedIOException(message);
} else {
throw new BuildCacheException(message);
}
}
@Override
public String getDescription() {
return "HTTP build cache (" + safeUri + ")";
}
@Override
public void close() throws IOException {
httpClientHelper.close();
}
/**
* Create a safe URI from the given one by stripping out user info.
*
* @param uri Original URI
* @return a new URI with no user info
*/
private static URI safeUri(URI uri) {
try {
return new URI(uri.getScheme(), null, uri.getHost(), uri.getPort(), uri.getPath(), uri.getQuery(), uri.getFragment());
} catch (URISyntaxException e) {
throw UncheckedException.throwAsUncheckedException(e);
}
}
}
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