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/*
* Copyright 2020 Mooltiverse
*
* 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 com.mooltiverse.oss.nyx.services.gitlab;
import static com.mooltiverse.oss.nyx.log.Markers.SERVICE;
import static com.mooltiverse.oss.nyx.services.gitlab.GitLab.logger;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Paths;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.net.http.HttpClient;
import java.net.http.HttpClient.Redirect;
import java.net.http.HttpClient.Version;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.mooltiverse.oss.nyx.entities.Attachment;
import com.mooltiverse.oss.nyx.io.TransportException;
import com.mooltiverse.oss.nyx.services.SecurityException;
/**
* The REST API v4 implementation as per GitLab API.
*/
class RESTv4 extends API {
/**
* The suggested content type to set in the 'content-type' header, as per GitHub API.
*/
private static final String CONTENT_TYPE = "application/json";
/**
* The security token to use to authenticate to the remote service.
* If {@code null} or invalid all authentication protected operations will fail with a
* {@link SecurityException}
*/
private final String authenticationToken;
/**
* The instance of a standard client builder with all reusable attributes set. Each client can
* be created from a copy of this builder.
*/
protected HttpClient.Builder clientBuilderTemplate = null;
/**
* The default API base URL, as per GitLab API.
* This value can be overridden by passing an entry with the {@link #BASE_URI_OPTION_NAME} key
* in the options map used to get an instance of this service.
* Value: {@value}
*/
public static final String BASE_URI_DEFAULT_VALUE = "https://gitlab.com/api/v4";
/**
* Builds this object using the given uri to use as the remote endpoint.
*
* @param uri the remote API endpoint. It can't be {@code null}
* @param authenticationToken the token (Personal Access Token, OAuth) to use for authentication. It may be {@code null}.
* If {@code null} the service will not be able to authenticate and perform any of the authentication protected operations.
*/
RESTv4(URI uri, String authenticationToken) {
super(uri);
this.authenticationToken = authenticationToken;
}
/**
* {@inheritDoc}
*/
@Override
Map createRepository(String name, String description, boolean restricted, boolean initialize)
throws TransportException, SecurityException {
// See: https://docs.gitlab.com/ee/api/projects.html#create-project
Objects.requireNonNull(name, "The name of the repository to create cannot be null");
URI uri = newRequestURI("/projects");
Map requestParameters = new HashMap();
requestParameters.put("name", name);
requestParameters.put("description", description);
requestParameters.put("visibility", restricted ? "private" : "public");
requestParameters.put("initialize_with_readme", initialize);
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).POST(BodyPublishers.ofString(new ObjectMapper().writeValueAsString(requestParameters))).build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if (response.statusCode() != 201) {
if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
return unmarshalJSONBody(response.body());
}
/**
* {@inheritDoc}
*/
@Override
void deleteRepository(String name)
throws TransportException, SecurityException {
// See: https://docs.gitlab.com/ee/api/projects.html#delete-project
Objects.requireNonNull(name, "The name of the repository to delete cannot be null");
URI uri = newRequestURI("/projects/"+URLEncoder.encode(name, StandardCharsets.UTF_8));
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).DELETE().build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if (response.statusCode() != 202 && response.statusCode() != 204) {
if (response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
}
/**
* {@inheritDoc}
*/
@Override
synchronized HttpClient.Builder getClientBuilder() {
if (clientBuilderTemplate == null) {
clientBuilderTemplate = HttpClient.newBuilder().version(Version.HTTP_1_1).followRedirects(Redirect.NORMAL);
}
return clientBuilderTemplate;
}
/**
* {@inheritDoc}
*/
@Override
Map getReleaseByTag(String owner, String repository, String tag)
throws SecurityException, TransportException {
// See: https://docs.gitlab.com/ee/api/releases/#get-a-release-by-a-tag-name
Objects.requireNonNull(owner, "The release repository owner cannot be null");
Objects.requireNonNull(repository, "The release repository name cannot be null");
Objects.requireNonNull(tag, "The release tag cannot be null");
URI uri = newRequestURI("/projects/"+URLEncoder.encode(owner+"/"+repository, StandardCharsets.UTF_8)+"/releases/"+URLEncoder.encode(tag, StandardCharsets.UTF_8));
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).GET().build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if (response.statusCode() != 200) {
if (response.statusCode() == 404)
return null; // the object just doesn't exist
else if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
return unmarshalJSONBody(response.body());
}
/**
* {@inheritDoc}
*/
@Override
synchronized HttpRequest.Builder getRequestBuilder(boolean authenticate)
throws SecurityException {
// See https://docs.gitlab.com/ee/api/
HttpRequest.Builder builder = HttpRequest.newBuilder()
.version(Version.HTTP_1_1)
.uri(uri)
.setHeader("content-type", CONTENT_TYPE);
if (authenticate) {
if (Objects.isNull(authenticationToken))
throw new SecurityException("No authentication token provided");
builder.setHeader("Authorization", "Bearer "+authenticationToken); // Set the authentication token
}
return builder.copy();
}
/**
* {@inheritDoc}
*/
@Override
Map getUserAttributes(String userID)
throws TransportException, SecurityException {
// See: https://docs.gitlab.com/ee/api/users.html
URI uri = userID == null ? newRequestURI("/user") : newRequestURI("/users/"+URLEncoder.encode(userID, StandardCharsets.UTF_8));
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).GET().build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if (response.statusCode() != 200) {
if (response.statusCode() == 404)
return null; // no such user
else if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
return unmarshalJSONBody(response.body());
}
/**
* {@inheritDoc}
*/
@Override
Set listReleaseAssets(String owner, String repository, String tag)
throws SecurityException, TransportException {
// See: https://docs.gitlab.com/ee/api/releases/links.html#get-links
Objects.requireNonNull(owner, "The release repository owner cannot be null");
Objects.requireNonNull(repository, "The release repository name cannot be null");
Objects.requireNonNull(tag, "The release ID cannot be null");
URI uri = newRequestURI("/projects/"+URLEncoder.encode(owner+"/"+repository, StandardCharsets.UTF_8)+"/releases/"+URLEncoder.encode(tag, StandardCharsets.UTF_8)+"/assets/links");
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).GET().build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
if (response.statusCode() != 200) {
if (response.statusCode() == 404)
return null; // the object just doesn't exist
else if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
List> releaseAssets = unmarshalJSONBodyAsCollection(response.body());
if (Objects.isNull(releaseAssets))
return null;
Set result = new HashSet();
for (Map releaseAssetMap: releaseAssets) {
result.add(new Attachment(releaseAssetMap.get("name").toString(), "" /* the description is not available by this API */, "" /* the content type is not available by this API */, releaseAssetMap.get("url").toString()));
}
return result;
}
/**
* Returns a new URI by appending the given path to the service URI
*
* @param path the path to append to the service URI
*
* @return the new URI
*/
private URI newRequestURI(String path) {
Objects.requireNonNull(path, "Can't build a URI with a null path");
if (path.isBlank())
return uri;
String baseURI = uri.toString();
// Avoid having a double //
if (baseURI.endsWith("/") && path.startsWith("/"))
path = path.substring(1);
return URI.create(baseURI.concat(path));
}
/**
* {@inheritDoc}
*/
@Override
Map publishRelease(String owner, String repository, String title, String tag, String description)
throws SecurityException, TransportException {
// See: https://docs.gitlab.com/ee/api/releases/#create-a-release
Objects.requireNonNull(owner, "The release repository owner cannot be null");
Objects.requireNonNull(repository, "The release repository name cannot be null");
Objects.requireNonNull(tag, "The release tag cannot be null");
URI uri = newRequestURI("/projects/"+URLEncoder.encode(owner+"/"+repository, StandardCharsets.UTF_8)+"/releases");
Map requestParameters = new HashMap();
if (!Objects.isNull(title))
requestParameters.put("name", title);
requestParameters.put("tag_name", tag);
if (!Objects.isNull(description))
requestParameters.put("description", description);
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).POST(BodyPublishers.ofString(new ObjectMapper().writeValueAsString(requestParameters))).build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if (response.statusCode() != 201) {
if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
return unmarshalJSONBody(response.body());
}
/**
* {@inheritDoc}
*/
@Override
Set publishReleaseAssets(String owner, String repository, String version, Set assets)
throws SecurityException, TransportException {
if (Objects.isNull(assets) || assets.isEmpty())
return assets;
// The process here consists of 2 steps:
// 1 - if the asset path is a local file, upload it to the package registry and get the returned URL from the API.
// If it's a URL skip this step and go to step 2
// 2 - attach the link to the asset to the release
// See: https://docs.gitlab.com/ee/user/packages/generic_packages/index.html
Objects.requireNonNull(owner, "The assets repository owner cannot be null");
Objects.requireNonNull(repository, "The assets repository name cannot be null");
Objects.requireNonNull(version, "The assets version cannot be null");
// step 1: upload local files to the package repository
Set result = new HashSet();
for (Attachment asset: assets) {
File assetFile = new File(asset.getPath());
if (assetFile.exists()) {
logger.debug(SERVICE, "Uploading asset '{}' (description: '{}', type: '{}', path: '{}') to URL '{}'", asset.getFileName(), asset.getDescription(), asset.getType(), asset.getPath(), uri.toString());
// See: https://docs.gitlab.com/ee/user/packages/generic_packages/index.html
// we always upload to the 'generic' package registry here
URI uri = newRequestURI("/projects/"+URLEncoder.encode(owner+"/"+repository, StandardCharsets.UTF_8)+"/packages/generic/"+URLEncoder.encode(asset.getDescription(), StandardCharsets.UTF_8)+"/"+URLEncoder.encode(version, StandardCharsets.UTF_8)+"/"+URLEncoder.encode(asset.getFileName(), StandardCharsets.UTF_8)+"?select=package_file");
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).PUT(BodyPublishers.ofFile(Paths.get(assetFile.getPath()))).build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if ((response.statusCode() != 200) && (response.statusCode() != 201)) {
if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
String assetURL = unmarshalJSONBodyElement(response.body(), "file").get("url").toString();
logger.debug(SERVICE, "Asset '{}' (type: '{}', path: '{}') has been uploaded and is available to URL '{}'", asset.getFileName(), asset.getType(), asset.getPath(), assetURL);
result.add(new Attachment(asset.getFileName(), asset.getDescription(), asset.getType(), assetURL));
}
else
{
logger.debug(SERVICE, "The path '{}' for the asset '{}' cannot be resolved to a local file", asset.getPath(), asset.getFileName());
try {
// just check if it's a valid URL and if it is add it to the result assets
new URI(asset.getPath()).toURL();
result.add(asset);
}
catch (MalformedURLException | URISyntaxException | IllegalArgumentException use) {
logger.warn(SERVICE, "The path '{}' for the asset '{}' cannot be resolved to a local file and is not a valid URL and will be skipped", asset.getPath(), asset.getFileName());
}
}
}
// step 2: upload asset links to the release
for (Attachment asset: result) {
logger.debug(SERVICE, "Updating release '{}' with asset '{}' (description: '{}', type: '{}', path: '{}') to URL '{}'", version, asset.getFileName(), asset.getDescription(), asset.getType(), asset.getPath(), uri.toString());
// See: https://docs.gitlab.com/ee/user/packages/generic_packages/index.html
// we always upload to the 'generic' package registry here
URI uri = newRequestURI("/projects/"+URLEncoder.encode(owner+"/"+repository, StandardCharsets.UTF_8)+"/releases/"+URLEncoder.encode(version, StandardCharsets.UTF_8)+"/assets/links");
Map requestParameters = new HashMap();
//requestParameters.put("name", asset.getName());
requestParameters.put("name", asset.getDescription());
requestParameters.put("url", asset.getPath());
HttpResponse response = null;
try {
response = sendRequest(getRequestBuilder(true).uri(uri).POST(BodyPublishers.ofString(new ObjectMapper().writeValueAsString(requestParameters))).build());
}
catch (IOException | InterruptedException e) {
throw new TransportException(e);
}
// See: https://docs.gitlab.com/ee/api/#status-codes
if (response.statusCode() != 201) {
if (response.statusCode() == 401 || response.statusCode() == 403)
throw new SecurityException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
else throw new TransportException(String.format("Request returned a status code '%d': %s", response.statusCode(), response.body()));
}
logger.debug(SERVICE, "Asset '{}' (type: '{}', path: '{}') has been uploaded to release '{}'", asset.getFileName(), asset.getType(), asset.getPath(), version);
}
logger.debug(SERVICE, "Uploaded '{}' assets", result.size());
return result;
}
}
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