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44 package org.eclipse.jgit.http.server;
45
46 import static javax.servlet.http.HttpServletResponse.SC_FORBIDDEN;
47 import static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
48 import static javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED;
49 import static javax.servlet.http.HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE;
50 import static org.eclipse.jgit.http.server.GitSmartHttpTools.RECEIVE_PACK;
51 import static org.eclipse.jgit.http.server.GitSmartHttpTools.RECEIVE_PACK_REQUEST_TYPE;
52 import static org.eclipse.jgit.http.server.GitSmartHttpTools.RECEIVE_PACK_RESULT_TYPE;
53 import static org.eclipse.jgit.http.server.GitSmartHttpTools.sendError;
54 import static org.eclipse.jgit.http.server.ServletUtils.ATTRIBUTE_HANDLER;
55 import static org.eclipse.jgit.http.server.ServletUtils.consumeRequestBody;
56 import static org.eclipse.jgit.http.server.ServletUtils.getInputStream;
57 import static org.eclipse.jgit.http.server.ServletUtils.getRepository;
58 import static org.eclipse.jgit.util.HttpSupport.HDR_USER_AGENT;
59
60 import java.io.IOException;
61 import java.text.MessageFormat;
62 import java.util.List;
63
64 import javax.servlet.Filter;
65 import javax.servlet.FilterChain;
66 import javax.servlet.FilterConfig;
67 import javax.servlet.ServletException;
68 import javax.servlet.ServletRequest;
69 import javax.servlet.ServletResponse;
70 import javax.servlet.http.HttpServlet;
71 import javax.servlet.http.HttpServletRequest;
72 import javax.servlet.http.HttpServletResponse;
73
74 import org.eclipse.jgit.errors.CorruptObjectException;
75 import org.eclipse.jgit.errors.PackProtocolException;
76 import org.eclipse.jgit.errors.UnpackException;
77 import org.eclipse.jgit.lib.Repository;
78 import org.eclipse.jgit.transport.InternalHttpServerGlue;
79 import org.eclipse.jgit.transport.ReceivePack;
80 import org.eclipse.jgit.transport.RefAdvertiser.PacketLineOutRefAdvertiser;
81 import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
82 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
83 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
84
85
86 class ReceivePackServlet extends HttpServlet {
87 private static final long serialVersionUID = 1L;
88
89 static class InfoRefs extends SmartServiceInfoRefs {
90 private final ReceivePackFactory<HttpServletRequest> receivePackFactory;
91
92 InfoRefs(ReceivePackFactory<HttpServletRequest> receivePackFactory,
93 List<Filter> filters) {
94 super(RECEIVE_PACK, filters);
95 this.receivePackFactory = receivePackFactory;
96 }
97
98 @Override
99 protected void begin(HttpServletRequest req, Repository db)
100 throws IOException, ServiceNotEnabledException,
101 ServiceNotAuthorizedException {
102 ReceivePack rp = receivePackFactory.create(req, db);
103 InternalHttpServerGlue.setPeerUserAgent(
104 rp,
105 req.getHeader(HDR_USER_AGENT));
106 req.setAttribute(ATTRIBUTE_HANDLER, rp);
107 }
108
109 @Override
110 protected void advertise(HttpServletRequest req,
111 PacketLineOutRefAdvertiser pck) throws IOException,
112 ServiceNotEnabledException, ServiceNotAuthorizedException {
113 ReceivePack rp = (ReceivePack) req.getAttribute(ATTRIBUTE_HANDLER);
114 try {
115 rp.sendAdvertisedRefs(pck);
116 } finally {
117 rp.getRevWalk().close();
118 }
119 }
120 }
121
122 static class Factory implements Filter {
123 private final ReceivePackFactory<HttpServletRequest> receivePackFactory;
124
125 Factory(ReceivePackFactory<HttpServletRequest> receivePackFactory) {
126 this.receivePackFactory = receivePackFactory;
127 }
128
129 @Override
130 public void doFilter(ServletRequest request, ServletResponse response,
131 FilterChain chain) throws IOException, ServletException {
132 HttpServletRequest req = (HttpServletRequest) request;
133 HttpServletResponse rsp = (HttpServletResponse) response;
134 ReceivePack rp;
135 try {
136 rp = receivePackFactory.create(req, getRepository(req));
137 } catch (ServiceNotAuthorizedException e) {
138 rsp.sendError(SC_UNAUTHORIZED, e.getMessage());
139 return;
140 } catch (ServiceNotEnabledException e) {
141 sendError(req, rsp, SC_FORBIDDEN, e.getMessage());
142 return;
143 }
144
145 try {
146 req.setAttribute(ATTRIBUTE_HANDLER, rp);
147 chain.doFilter(req, rsp);
148 } finally {
149 req.removeAttribute(ATTRIBUTE_HANDLER);
150 }
151 }
152
153 @Override
154 public void init(FilterConfig filterConfig) throws ServletException {
155
156 }
157
158 @Override
159 public void destroy() {
160
161 }
162 }
163
164
165 @Override
166 public void doPost(final HttpServletRequest req,
167 final HttpServletResponse rsp) throws IOException {
168 if (!RECEIVE_PACK_REQUEST_TYPE.equals(req.getContentType())) {
169 rsp.sendError(SC_UNSUPPORTED_MEDIA_TYPE);
170 return;
171 }
172
173 SmartOutputStream out = new SmartOutputStream(req, rsp, false) {
174 @Override
175 public void flush() throws IOException {
176 doFlush();
177 }
178 };
179
180 ReceivePack rp = (ReceivePack) req.getAttribute(ATTRIBUTE_HANDLER);
181 try {
182 rp.setBiDirectionalPipe(false);
183 rsp.setContentType(RECEIVE_PACK_RESULT_TYPE);
184
185 rp.receive(getInputStream(req), out, null);
186 out.close();
187 } catch (CorruptObjectException e ) {
188
189 getServletContext().log(MessageFormat.format(
190 HttpServerText.get().receivedCorruptObject,
191 e.getMessage(),
192 ServletUtils.identify(rp.getRepository())));
193 consumeRequestBody(req);
194 out.close();
195
196 } catch (UnpackException | PackProtocolException e) {
197
198 log(rp.getRepository(), e.getCause());
199 consumeRequestBody(req);
200 out.close();
201
202 } catch (Throwable e) {
203 log(rp.getRepository(), e);
204 if (!rsp.isCommitted()) {
205 rsp.reset();
206 sendError(req, rsp, SC_INTERNAL_SERVER_ERROR);
207 }
208 return;
209 }
210 }
211
212 private void log(Repository git, Throwable e) {
213 getServletContext().log(MessageFormat.format(
214 HttpServerText.get().internalErrorDuringReceivePack,
215 ServletUtils.identify(git)), e);
216 }
217 }