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PSI Probe Core - Core logic, data models, and controllers
/*
* Licensed under the GPL License. You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE.
*/
package psiprobe.controllers.deploy;
import com.google.common.base.Strings;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.catalina.Context;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.tomcat.util.http.fileupload.FileItem;
import org.apache.tomcat.util.http.fileupload.FileItemFactory;
import org.apache.tomcat.util.http.fileupload.FileUploadBase;
import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory;
import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload;
import org.apache.tomcat.util.http.fileupload.servlet.ServletRequestContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.InternalResourceView;
import psiprobe.controllers.AbstractTomcatContainerController;
/**
* Lets an user to copy a single file to a deployed context.
*/
@Controller
public class CopySingleFileController extends AbstractTomcatContainerController {
/** The Constant logger. */
private static final Logger logger = LoggerFactory.getLogger(CopySingleFileController.class);
@RequestMapping(path = "/adm/deployfile.htm")
@Override
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
throws Exception {
return super.handleRequest(request, response);
}
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request,
HttpServletResponse response) throws Exception {
List apps;
try {
apps = getContainerWrapper().getTomcatContainer().findContexts();
} catch (NullPointerException ex) {
throw new IllegalStateException(
"No container found for your server: " + getServletContext().getServerInfo(), ex);
}
List> applications = new ArrayList<>();
for (Context appContext : apps) {
// check if this is not the ROOT webapp
if (!Strings.isNullOrEmpty(appContext.getName())) {
Map app = new HashMap<>();
app.put("value", appContext.getName());
app.put("label", appContext.getName());
applications.add(app);
}
}
request.setAttribute("apps", applications);
if (FileUploadBase.isMultipartContent(new ServletRequestContext(request))) {
File tmpFile = null;
String contextName = null;
String where = null;
boolean reload = false;
boolean discard = false;
// parse multipart request and extract the file
FileItemFactory factory =
new DiskFileItemFactory(1048000, new File(System.getProperty("java.io.tmpdir")));
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setSizeMax(-1);
upload.setHeaderEncoding(StandardCharsets.UTF_8.name());
try {
List fileItems = upload.parseRequest(new ServletRequestContext(request));
for (FileItem fi : fileItems) {
if (!fi.isFormField()) {
if (fi.getName() != null && fi.getName().length() > 0) {
tmpFile = new File(System.getProperty("java.io.tmpdir"),
FilenameUtils.getName(fi.getName()));
fi.write(tmpFile);
}
} else if ("context".equals(fi.getFieldName())) {
contextName = fi.getString();
} else if ("where".equals(fi.getFieldName())) {
where = fi.getString();
} else if ("reload".equals(fi.getFieldName()) && "yes".equals(fi.getString())) {
reload = true;
} else if ("discard".equals(fi.getFieldName()) && "yes".equals(fi.getString())) {
discard = true;
}
}
} catch (Exception e) {
logger.error("Could not process file upload", e);
request.setAttribute("errorMessage", getMessageSourceAccessor()
.getMessage("probe.src.deploy.file.uploadfailure", new Object[] {e.getMessage()}));
if (tmpFile != null && tmpFile.exists() && !tmpFile.delete()) {
logger.error("Unable to delete temp upload file");
}
tmpFile = null;
}
String errMsg = null;
if (tmpFile != null) {
try {
if (!Strings.isNullOrEmpty(tmpFile.getName())) {
contextName = getContainerWrapper().getTomcatContainer().formatContextName(contextName);
String visibleContextName = "".equals(contextName) ? "/" : contextName;
request.setAttribute("contextName", visibleContextName);
// Check if context is already deployed
if (getContainerWrapper().getTomcatContainer().findContext(contextName) != null) {
File destFile = new File(getContainerWrapper().getTomcatContainer().getAppBase(),
contextName + where);
// Checks if the destination path exists
if (destFile.exists()) {
if (!destFile.getAbsolutePath().contains("..")) {
// Copy the file overwriting it if it already exists
FileUtils.copyFileToDirectory(tmpFile, destFile);
request.setAttribute("successFile", Boolean.TRUE);
// Logging action
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
// get username logger
String name = auth.getName();
logger.info(getMessageSourceAccessor().getMessage("probe.src.log.copyfile"), name,
contextName);
Context context =
getContainerWrapper().getTomcatContainer().findContext(contextName);
// Checks if DISCARD "work" directory is selected
if (discard) {
getContainerWrapper().getTomcatContainer().discardWorkDir(context);
logger.info(getMessageSourceAccessor().getMessage("probe.src.log.discardwork"),
name, contextName);
}
// Checks if RELOAD option is selected
if (reload && context != null) {
context.reload();
request.setAttribute("reloadContext", Boolean.TRUE);
logger.info(getMessageSourceAccessor().getMessage("probe.src.log.reload"), name,
contextName);
}
} else {
errMsg =
getMessageSourceAccessor().getMessage("probe.src.deploy.file.pathNotValid");
}
} else {
errMsg = getMessageSourceAccessor().getMessage("probe.src.deploy.file.notPath");
}
} else {
errMsg = getMessageSourceAccessor().getMessage("probe.src.deploy.file.notExists",
new Object[] {visibleContextName});
}
} else {
errMsg = getMessageSourceAccessor().getMessage("probe.src.deploy.file.notFile.failure");
}
} catch (IOException e) {
errMsg = getMessageSourceAccessor().getMessage("probe.src.deploy.file.failure",
new Object[] {e.getMessage()});
logger.error("Tomcat throw an exception when trying to deploy", e);
} finally {
if (errMsg != null) {
request.setAttribute("errorMessage", errMsg);
}
if (!tmpFile.delete()) {
logger.error("Unable to delete temp upload file");
}
}
}
}
return new ModelAndView(new InternalResourceView(getViewName()));
}
@Value("/adm/deploy.htm")
@Override
public void setViewName(String viewName) {
super.setViewName(viewName);
}
}