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Add POC protocol servlet with delegate to git

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This commit is contained in:
René Pfeuffer
2018-09-06 10:58:09 +02:00
parent c4b34752b4
commit be5c430bd2
10 changed files with 163 additions and 167 deletions
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86
scm-webapp/src/main/java/sonia/scm/web/protocol/HttpProtocolServlet.java Normal file
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package sonia.scm.web.protocol;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import sonia.scm.PushStateDispatcher;
import sonia.scm.filter.WebElement;
import sonia.scm.repository.DefaultRepositoryProvider;
import sonia.scm.repository.NamespaceAndName;
import sonia.scm.repository.RepositoryNotFoundException;
import sonia.scm.repository.RepositoryProvider;
import sonia.scm.repository.api.RepositoryService;
import sonia.scm.repository.api.RepositoryServiceFactory;
import sonia.scm.repository.spi.HttpScmProtocol;
import sonia.scm.util.HttpUtil;
import sonia.scm.web.UserAgent;
import sonia.scm.web.UserAgentParser;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Singleton
@WebElement(value = HttpProtocolServlet.PATTERN)
@Slf4j
public class HttpProtocolServlet extends HttpServlet {
public static final String PATTERN = "/repo/*";
private final RepositoryProvider repositoryProvider;
private final RepositoryServiceFactory serviceFactory;
private final Provider<HttpServletRequest> requestProvider;
private final PushStateDispatcher dispatcher;
private final UserAgentParser userAgentParser;
@Inject
public HttpProtocolServlet(RepositoryProvider repositoryProvider, RepositoryServiceFactory serviceFactory, Provider<HttpServletRequest> requestProvider, PushStateDispatcher dispatcher, UserAgentParser userAgentParser) {
this.repositoryProvider = repositoryProvider;
this.serviceFactory = serviceFactory;
this.requestProvider = requestProvider;
this.dispatcher = dispatcher;
this.userAgentParser = userAgentParser;
}
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
Subject subject = SecurityUtils.getSubject();
UserAgent userAgent = userAgentParser.parse(req);
if (userAgent.isBrowser()) {
log.trace("dispatch browser request for user agent {}", userAgent);
dispatcher.dispatch(req, resp, req.getRequestURI());
} else {
String pathInfo = req.getPathInfo();
NamespaceAndName namespaceAndName = fromUri(pathInfo);
try (RepositoryService repositoryService = serviceFactory.create(namespaceAndName)) {
requestProvider.get().setAttribute(DefaultRepositoryProvider.ATTRIBUTE_NAME, repositoryService.getRepository());
HttpScmProtocol protocol = repositoryService.getProtocol(HttpScmProtocol.class);
protocol.serve(req, resp);
} catch (RepositoryNotFoundException e) {
resp.setStatus(404);
}
}
}
private NamespaceAndName fromUri(String uri) {
if (uri.startsWith(HttpUtil.SEPARATOR_PATH)) {
uri = uri.substring(1);
}
String namespace = uri.substring(0, uri.indexOf(HttpUtil.SEPARATOR_PATH));
String name = uri.substring(uri.indexOf(HttpUtil.SEPARATOR_PATH) + 1, uri.indexOf(HttpUtil.SEPARATOR_PATH, uri.indexOf(HttpUtil.SEPARATOR_PATH) + 1));
return new NamespaceAndName(namespace, name);
}
}