private String export(String format, XWikiContext context) throws XWikiException, IOException {
// We currently use the PDF export infrastructure but we have to redesign the export code.
XWikiURLFactory urlFactory = new OfficeExporterURLFactory();
PdfExport exporter = new OfficeExporter();
// Check if the office exporter supports the specified format.
ExportType exportType = ((OfficeExporter) exporter).getExportType(format);
// Note 1: exportType will be null if no office server is started or it doesn't support the
// passed format
// Note 2: we don't use the office server for PDF exports since it doesn't work OOB. Instead we
// use FOP.
if ("pdf".equalsIgnoreCase(format)) {
// The export format is PDF or the office converter can't be used (either it doesn't support
// the specified
// format or the office server is not started).
urlFactory = new PdfURLFactory();
exporter = new PdfExportImpl();
exportType = ExportType.PDF;
} else if (exportType == null) {
context.put("message", "core.export.formatUnknown");
return "exception";
}
urlFactory.init(context);
context.setURLFactory(urlFactory);
handleRevision(context);
XWikiDocument doc = context.getDoc();
context.getResponse().setContentType(exportType.getMimeType());
context
.getResponse()
.addHeader(
"Content-disposition",
String.format(
"inline; filename=%s_%s.%s",
Util.encodeURI(
doc.getDocumentReference().getLastSpaceReference().getName(), context),
Util.encodeURI(doc.getDocumentReference().getName(), context),
exportType.getExtension()));
exporter.export(doc, context.getResponse().getOutputStream(), exportType, context);
return null;
}
/**
* Set the response HTTP headers common to both partial (Range) and full responses.
*
* @param attachment the attachment to get content from
* @param request the current client request
* @param response the response to write to.
* @param context the current request context
*/
private static void setCommonHeaders(
final XWikiAttachment attachment,
final XWikiRequest request,
final XWikiResponse response,
final XWikiContext context) {
// Choose the right content type
String mimetype = attachment.getMimeType(context);
response.setContentType(mimetype);
try {
response.setCharacterEncoding("");
} catch (IllegalCharsetNameException ex) {
response.setCharacterEncoding(XWiki.DEFAULT_ENCODING);
}
String ofilename = Util.encodeURI(attachment.getFilename(), context).replaceAll("\\+", "%20");
// The inline attribute of Content-Disposition tells the browser that they should display
// the downloaded file in the page (see http://www.ietf.org/rfc/rfc1806.txt for more
// details). We do this so that JPG, GIF, PNG, etc are displayed without prompting a Save
// dialog box. However, all mime types that cannot be displayed by the browser do prompt a
// Save dialog box (exe, zip, xar, etc).
String dispType = "inline";
// Determine whether the user who attached the file has Programming Rights or not.
boolean hasPR = false;
String author = attachment.getAuthor();
try {
hasPR =
context
.getWiki()
.getRightService()
.hasAccessLevel("programming", author, "XWiki.XWikiPreferences", context);
} catch (Exception e) {
hasPR = false;
}
// If the mimetype is not authorized to be displayed inline, let's force its content disposition
// to download.
if ((!hasPR && !isAuthorized(mimetype)) || "1".equals(request.getParameter("force-download"))) {
dispType = ATTACHMENT;
}
// Use RFC 2231 for encoding filenames, since the normal HTTP headers only allows ASCII
// characters.
// See http://tools.ietf.org/html/rfc2231 for more details.
response.addHeader("Content-disposition", dispType + "; filename*=utf-8''" + ofilename);
response.setDateHeader("Last-Modified", attachment.getDate().getTime());
// Advertise that downloads can be resumed
response.setHeader("Accept-Ranges", "bytes");
}
/**
* Apply export and create the ZIP package.
*
* @param context the XWiki context used to render pages.
* @throws IOException error when creating the package.
* @throws XWikiException error when render the pages.
*/
public void export(XWikiContext context) throws IOException, XWikiException {
context.getResponse().setContentType("application/zip");
context
.getResponse()
.addHeader(
"Content-disposition",
"attachment; filename=" + Util.encodeURI(this.name, context) + ".zip");
context.setFinished(true);
ZipOutputStream zos = new ZipOutputStream(context.getResponse().getOutputStream());
File dir = context.getWiki().getTempDirectory(context);
File tempdir = new File(dir, RandomStringUtils.randomAlphanumeric(8));
tempdir.mkdirs();
File attachmentDir = new File(tempdir, "attachment");
attachmentDir.mkdirs();
// Create custom URL factory
ExportURLFactory urlf = new ExportURLFactory();
// Render pages to export
renderDocuments(zos, tempdir, urlf, context);
// Add required skins to ZIP file
for (String skinName : urlf.getNeededSkins()) {
addSkinToZip(skinName, zos, urlf.getExportedSkinFiles(), context);
}
// add "resources" folder
File file = new File(context.getWiki().getEngineContext().getRealPath("/resources/"));
addDirToZip(file, zos, "resources" + ZIPPATH_SEPARATOR, urlf.getExportedSkinFiles());
// Add attachments and generated skin files files to ZIP file
addDirToZip(tempdir, zos, "", null);
zos.setComment(this.description);
// Finish ZIP file
zos.finish();
zos.flush();
// Delete temporary directory
deleteDirectory(tempdir);
}
private String exportXAR(XWikiContext context)
throws XWikiException, IOException, FilterException {
XWikiRequest request = context.getRequest();
boolean history = Boolean.valueOf(request.get("history"));
boolean backup = Boolean.valueOf(request.get("backup"));
String author = request.get("author");
String description = request.get("description");
String licence = request.get("licence");
String version = request.get("version");
String name = request.get("name");
String[] pages = request.getParameterValues("pages");
boolean all = ArrayUtils.isEmpty(pages);
if (!context.getWiki().getRightService().hasWikiAdminRights(context)) {
context.put("message", "needadminrights");
return "exception";
}
if (name == null) {
return "export";
}
if (StringUtils.isBlank(name)) {
if (all) {
name = "backup";
} else {
name = "export";
}
}
if (context.getWiki().ParamAsLong("xwiki.action.export.xar.usefilter", 1) == 1) {
// Create input wiki stream
DocumentInstanceInputProperties inputProperties = new DocumentInstanceInputProperties();
// We don't want to log the details
inputProperties.setVerbose(false);
inputProperties.setWithJRCSRevisions(history);
inputProperties.setWithRevisions(false);
EntityReferenceSet entities = new EntityReferenceSet();
if (all) {
entities.includes(new WikiReference(context.getWikiId()));
} else {
// Find all page references and add them for processing
Collection<String> pageList = getPagesToExport(pages, context);
DocumentReferenceResolver<String> resolver =
Utils.getComponent(DocumentReferenceResolver.TYPE_STRING, "current");
for (String pageName : pageList) {
entities.includes(resolver.resolve(pageName));
}
}
inputProperties.setEntities(entities);
InputFilterStreamFactory inputFilterStreamFactory =
Utils.getComponent(
InputFilterStreamFactory.class, FilterStreamType.XWIKI_INSTANCE.serialize());
InputFilterStream inputFilterStream =
inputFilterStreamFactory.createInputFilterStream(inputProperties);
// Create output wiki stream
XAROutputProperties xarProperties = new XAROutputProperties();
// We don't want to log the details
xarProperties.setVerbose(false);
XWikiResponse response = context.getResponse();
xarProperties.setTarget(new DefaultOutputStreamOutputTarget(response.getOutputStream()));
xarProperties.setPackageName(name);
if (description != null) {
xarProperties.setPackageDescription(description);
}
if (licence != null) {
xarProperties.setPackageLicense(licence);
}
if (author != null) {
xarProperties.setPackageAuthor(author);
}
if (version != null) {
xarProperties.setPackageVersion(version);
}
xarProperties.setPackageBackupPack(backup);
xarProperties.setPreserveVersion(backup || history);
BeanOutputFilterStreamFactory<XAROutputProperties> xarFilterStreamFactory =
Utils.getComponent(
(Type) OutputFilterStreamFactory.class, FilterStreamType.XWIKI_XAR_11.serialize());
OutputFilterStream outputFilterStream =
xarFilterStreamFactory.createOutputFilterStream(xarProperties);
// Export
response.setContentType("application/zip");
response.addHeader(
"Content-disposition", "attachment; filename=" + Util.encodeURI(name, context) + ".xar");
inputFilterStream.read(outputFilterStream.getFilter());
inputFilterStream.close();
outputFilterStream.close();
// Flush
response.getOutputStream().flush();
// Indicate that we are done with the response so no need to add anything
context.setFinished(true);
} else {
PackageAPI export = ((PackageAPI) context.getWiki().getPluginApi("package", context));
if (export == null) {
// No Packaging plugin configured
return "exception";
}
export.setWithVersions(history);
if (author != null) {
export.setAuthorName(author);
}
if (description != null) {
export.setDescription(description);
}
if (licence != null) {
export.setLicence(licence);
}
if (version != null) {
export.setVersion(version);
}
export.setBackupPack(backup);
export.setName(name);
if (all) {
export.backupWiki();
} else {
if (pages != null) {
for (int i = 0; i < pages.length; i++) {
String pageName = pages[i];
String defaultAction = request.get("action_" + pageName);
int iAction;
try {
iAction = Integer.parseInt(defaultAction);
} catch (Exception e) {
iAction = 0;
}
export.add(pageName, iAction);
}
}
export.export();
}
}
return null;
}