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/*
* Copyright 2011 gitblit.com.
*
* 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.gitblit.wicket.pages;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import org.apache.wicket.IRequestTarget;
import org.apache.wicket.PageParameters;
import org.apache.wicket.RequestCycle;
import org.apache.wicket.protocol.http.WebRequest;
import org.apache.wicket.protocol.http.WebResponse;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.GitBlit;
import com.gitblit.Keys;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserModel;
import com.gitblit.utils.JGitUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.WicketUtils;
public class RawPage extends SessionPage {
private final Logger logger = LoggerFactory.getLogger(getClass().getSimpleName());
String contentType;
public RawPage(final PageParameters params) {
super(params);
if (!params.containsKey("r")) {
error(getString("gb.repositoryNotSpecified"));
redirectToInterceptPage(new RepositoriesPage());
}
getRequestCycle().setRequestTarget(new IRequestTarget() {
@Override
public void detach(RequestCycle requestCycle) {
}
@Override
public void respond(RequestCycle requestCycle) {
WebResponse response = (WebResponse) requestCycle.getResponse();
final String repositoryName = WicketUtils.getRepositoryName(params);
final String objectId = WicketUtils.getObject(params);
final String blobPath = WicketUtils.getPath(params);
String[] encodings = GitBlit.getEncodings();
GitBlitWebSession session = GitBlitWebSession.get();
UserModel user = session.getUser();
RepositoryModel model = GitBlit.self().getRepositoryModel(user, repositoryName);
if (model == null) {
// user does not have permission
error(getString("gb.canNotLoadRepository") + " " + repositoryName);
redirectToInterceptPage(new RepositoriesPage());
return;
}
Repository r = GitBlit.self().getRepository(repositoryName);
if (r == null) {
error(getString("gb.canNotLoadRepository") + " " + repositoryName);
redirectToInterceptPage(new RepositoriesPage());
return;
}
if (StringUtils.isEmpty(blobPath)) {
// objectid referenced raw view
byte [] binary = JGitUtils.getByteContent(r, objectId);
contentType = "application/octet-stream";
response.setContentType(contentType);
response.setContentLength(binary.length);
try {
response.getOutputStream().write(binary);
} catch (Exception e) {
logger.error("Failed to write binary response", e);
}
} else {
// standard raw blob view
RevCommit commit = JGitUtils.getCommit(r, objectId);
String filename = blobPath;
if (blobPath.indexOf('/') > -1) {
filename = blobPath.substring(blobPath.lastIndexOf('/') + 1);
}
String extension = null;
if (blobPath.lastIndexOf('.') > -1) {
extension = blobPath.substring(blobPath.lastIndexOf('.') + 1);
}
// Map the extensions to types
Map<String, Integer> map = new HashMap<String, Integer>();
for (String ext : GitBlit.getStrings(Keys.web.imageExtensions)) {
map.put(ext.toLowerCase(), 2);
}
for (String ext : GitBlit.getStrings(Keys.web.binaryExtensions)) {
map.put(ext.toLowerCase(), 3);
}
if (extension != null) {
int type = 0;
if (map.containsKey(extension)) {
type = map.get(extension);
}
switch (type) {
case 2:
// image blobs
byte[] image = JGitUtils.getByteContent(r, commit.getTree(), blobPath, true);
contentType = "image/" + extension.toLowerCase();
response.setContentType(contentType);
response.setContentLength(image.length);
try {
response.getOutputStream().write(image);
} catch (IOException e) {
logger.error("Failed to write image response", e);
}
break;
case 3:
// binary blobs (download)
byte[] binary = JGitUtils.getByteContent(r, commit.getTree(), blobPath, true);
contentType = "application/octet-stream";
response.setContentLength(binary.length);
response.setContentType(contentType);
try {
WebRequest request = (WebRequest) requestCycle.getRequest();
String userAgent = request.getHttpServletRequest().getHeader("User-Agent");
if (userAgent != null && userAgent.indexOf("MSIE 5.5") > -1) {
response.setHeader("Content-Disposition", "filename=\""
+ URLEncoder.encode(filename, "UTF-8") + "\"");
} else if (userAgent != null && userAgent.indexOf("MSIE") > -1) {
response.setHeader("Content-Disposition", "attachment; filename=\""
+ URLEncoder.encode(filename, "UTF-8") + "\"");
} else {
response.setHeader("Content-Disposition", "attachment; filename=\""
+ new String(filename.getBytes("UTF-8"), "latin1") + "\"");
}
}
catch (UnsupportedEncodingException e) {
response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
}
try {
response.getOutputStream().write(binary);
} catch (IOException e) {
logger.error("Failed to write binary response", e);
}
break;
default:
// plain text
String content = JGitUtils.getStringContent(r, commit.getTree(),
blobPath, encodings);
contentType = "text/plain; charset=UTF-8";
response.setContentType(contentType);
try {
response.getOutputStream().write(content.getBytes("UTF-8"));
} catch (Exception e) {
logger.error("Failed to write text response", e);
}
}
} else {
// plain text
String content = JGitUtils.getStringContent(r, commit.getTree(), blobPath,
encodings);
contentType = "text/plain; charset=UTF-8";
response.setContentType(contentType);
try {
response.getOutputStream().write(content.getBytes("UTF-8"));
} catch (Exception e) {
logger.error("Failed to write text response", e);
}
}
}
r.close();
}
});
}
@Override
protected void setHeaders(WebResponse response) {
super.setHeaders(response);
if (!StringUtils.isEmpty(contentType)) {
response.setContentType(contentType);
}
}
}
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