Examples with ProviderException org.apache.wiki.api.exceptions.ProviderException used on opensource projects

Example 41 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class AttachmentServlet method upload.

/**
 *  Uploads a specific mime multipart input set, intercepts exceptions.
 *
 *  @param req The servlet request
 *  @return The page to which we should go next.
 *  @throws RedirectException If there's an error and a redirection is needed
 *  @throws IOException If upload fails
 * @throws FileUploadException
 */
protected String upload(HttpServletRequest req) throws RedirectException, IOException {
    String msg = "";
    String attName = "(unknown)";
    // If something bad happened, Upload should be able to take care of most stuff
    String errorPage = m_engine.getURL(WikiContext.ERROR, "", null, false);
    String nextPage = errorPage;
    String progressId = req.getParameter("progressid");
    // Check that we have a file upload request
    if (!ServletFileUpload.isMultipartContent(req)) {
        throw new RedirectException("Not a file upload", errorPage);
    }
    try {
        FileItemFactory factory = new DiskFileItemFactory();
        // Create the context _before_ Multipart operations, otherwise
        // strict servlet containers may fail when setting encoding.
        WikiContext context = m_engine.createContext(req, WikiContext.ATTACH);
        UploadListener pl = new UploadListener();
        m_engine.getProgressManager().startProgress(pl, progressId);
        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setHeaderEncoding("UTF-8");
        if (!context.hasAdminPermissions()) {
            upload.setFileSizeMax(m_maxSize);
        }
        upload.setProgressListener(pl);
        List<FileItem> items = upload.parseRequest(req);
        String wikipage = null;
        String changeNote = null;
        // FileItem actualFile = null;
        List<FileItem> fileItems = new java.util.ArrayList<FileItem>();
        for (FileItem item : items) {
            if (item.isFormField()) {
                if (item.getFieldName().equals("page")) {
                    // 
                    // FIXME: Kludge alert.  We must end up with the parent page name,
                    // if this is an upload of a new revision
                    // 
                    wikipage = item.getString("UTF-8");
                    int x = wikipage.indexOf("/");
                    if (x != -1)
                        wikipage = wikipage.substring(0, x);
                } else if (item.getFieldName().equals("changenote")) {
                    changeNote = item.getString("UTF-8");
                    if (changeNote != null) {
                        changeNote = TextUtil.replaceEntities(changeNote);
                    }
                } else if (item.getFieldName().equals("nextpage")) {
                    nextPage = validateNextPage(item.getString("UTF-8"), errorPage);
                }
            } else {
                fileItems.add(item);
            }
        }
        if (fileItems.size() == 0) {
            throw new RedirectException("Broken file upload", errorPage);
        } else {
            for (FileItem actualFile : fileItems) {
                String filename = actualFile.getName();
                long fileSize = actualFile.getSize();
                InputStream in = actualFile.getInputStream();
                try {
                    executeUpload(context, in, filename, nextPage, wikipage, changeNote, fileSize);
                } finally {
                    IOUtils.closeQuietly(in);
                }
            }
        }
    } catch (ProviderException e) {
        msg = "Upload failed because the provider failed: " + e.getMessage();
        log.warn(msg + " (attachment: " + attName + ")", e);
        throw new IOException(msg);
    } catch (IOException e) {
        // Show the submit page again, but with a bit more
        // intimidating output.
        msg = "Upload failure: " + e.getMessage();
        log.warn(msg + " (attachment: " + attName + ")", e);
        throw e;
    } catch (FileUploadException e) {
        // Show the submit page again, but with a bit more
        // intimidating output.
        msg = "Upload failure: " + e.getMessage();
        log.warn(msg + " (attachment: " + attName + ")", e);
        throw new IOException(msg, e);
    } finally {
        m_engine.getProgressManager().stopProgress(progressId);
    // FIXME: In case of exceptions should absolutely
    // remove the uploaded file.
    }
    return nextPage;
}

Example 42 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class PageManager method actionPerformed.

/**
 * Listens for {@link org.apache.wiki.event.WikiSecurityEvent#PROFILE_NAME_CHANGED}
 * events. If a user profile's name changes, each page ACL is inspected. If an entry contains
 * a name that has changed, it is replaced with the new one. No events are emitted
 * as a consequence of this method, because the page contents are still the same; it is
 * only the representations of the names within the ACL that are changing.
 *
 * @param event The event
 */
public void actionPerformed(WikiEvent event) {
    if (!(event instanceof WikiSecurityEvent)) {
        return;
    }
    WikiSecurityEvent se = (WikiSecurityEvent) event;
    if (se.getType() == WikiSecurityEvent.PROFILE_NAME_CHANGED) {
        UserProfile[] profiles = (UserProfile[]) se.getTarget();
        Principal[] oldPrincipals = new Principal[] { new WikiPrincipal(profiles[0].getLoginName()), new WikiPrincipal(profiles[0].getFullname()), new WikiPrincipal(profiles[0].getWikiName()) };
        Principal newPrincipal = new WikiPrincipal(profiles[1].getFullname());
        // Examine each page ACL
        try {
            int pagesChanged = 0;
            Collection pages = getAllPages();
            for (Iterator it = pages.iterator(); it.hasNext(); ) {
                WikiPage page = (WikiPage) it.next();
                boolean aclChanged = changeAcl(page, oldPrincipals, newPrincipal);
                if (aclChanged) {
                    // If the Acl needed changing, change it now
                    try {
                        m_engine.getAclManager().setPermissions(page, page.getAcl());
                    } catch (WikiSecurityException e) {
                        log.error("Could not change page ACL for page " + page.getName() + ": " + e.getMessage(), e);
                    }
                    pagesChanged++;
                }
            }
            log.info("Profile name change for '" + newPrincipal.toString() + "' caused " + pagesChanged + " page ACLs to change also.");
        } catch (ProviderException e) {
            // Oooo! This is really bad...
            log.error("Could not change user name in Page ACLs because of Provider error:" + e.getMessage(), e);
        }
    }
}