Examples with WikiEngine org.apache.wiki.WikiEngine used on opensource projects

Example 36 with WikiEngine

use of org.apache.wiki.WikiEngine in project jspwiki by apache.

the class PageRenamer method renamePage.

/**
 *  Renames a page.
 *
 *  @param context The current context.
 *  @param renameFrom The name from which to rename.
 *  @param renameTo The new name.
 *  @param changeReferrers If true, also changes all the referrers.
 *  @return The final new name (in case it had to be modified)
 *  @throws WikiException If the page cannot be renamed.
 */
public String renamePage(final WikiContext context, final String renameFrom, final String renameTo, final boolean changeReferrers) throws WikiException {
    // 
    if (renameFrom == null || renameFrom.length() == 0) {
        throw new WikiException("From name may not be null or empty");
    }
    if (renameTo == null || renameTo.length() == 0) {
        throw new WikiException("To name may not be null or empty");
    }
    // 
    // Clean up the "to" -name so that it does not contain anything illegal
    // 
    String renameToClean = MarkupParser.cleanLink(renameTo.trim());
    if (renameToClean.equals(renameFrom)) {
        throw new WikiException("You cannot rename the page to itself");
    }
    // 
    // Preconditions: "from" page must exist, and "to" page must not yet exist.
    // 
    WikiEngine engine = context.getEngine();
    WikiPage fromPage = engine.getPage(renameFrom);
    if (fromPage == null) {
        throw new WikiException("No such page " + renameFrom);
    }
    WikiPage toPage = engine.getPage(renameToClean);
    if (toPage != null) {
        throw new WikiException("Page already exists " + renameToClean);
    }
    // 
    // Options
    // 
    m_camelCase = TextUtil.getBooleanProperty(engine.getWikiProperties(), JSPWikiMarkupParser.PROP_CAMELCASELINKS, m_camelCase);
    Set<String> referrers = getReferencesToChange(fromPage, engine);
    // 
    // Do the actual rename by changing from the frompage to the topage, including
    // all of the attachments
    // 
    // Remove references to attachments under old name
    @SuppressWarnings("unchecked") Collection<Attachment> attachmentsOldName = engine.getAttachmentManager().listAttachments(fromPage);
    for (Attachment att : attachmentsOldName) {
        WikiPage fromAttPage = engine.getPage(att.getName());
        engine.getReferenceManager().pageRemoved(fromAttPage);
    }
    engine.getPageManager().getProvider().movePage(renameFrom, renameToClean);
    if (engine.getAttachmentManager().attachmentsEnabled()) {
        engine.getAttachmentManager().getCurrentProvider().moveAttachmentsForPage(renameFrom, renameToClean);
    }
    // 
    // Add a comment to the page notifying what changed.  This adds a new revision
    // to the repo with no actual change.
    // 
    toPage = engine.getPage(renameToClean);
    if (toPage == null)
        throw new InternalWikiException("Rename seems to have failed for some strange reason - please check logs!");
    toPage.setAttribute(WikiPage.CHANGENOTE, fromPage.getName() + " ==> " + toPage.getName());
    toPage.setAuthor(context.getCurrentUser().getName());
    engine.getPageManager().putPageText(toPage, engine.getPureText(toPage));
    // 
    // Update the references
    // 
    engine.getReferenceManager().pageRemoved(fromPage);
    engine.updateReferences(toPage);
    // 
    if (changeReferrers) {
        updateReferrers(context, fromPage, toPage, referrers);
    }
    // 
    // re-index the page including its attachments
    // 
    engine.getSearchManager().reindexPage(toPage);
    @SuppressWarnings("unchecked") Collection<Attachment> attachmentsNewName = engine.getAttachmentManager().listAttachments(toPage);
    for (Attachment att : attachmentsNewName) {
        WikiPage toAttPage = engine.getPage(att.getName());
        // add reference to attachment under new page name
        engine.updateReferences(toAttPage);
        engine.getSearchManager().reindexPage(att);
    }
    // Currently not used internally by JSPWiki itself, but you can use it for something else.
    WikiEventManager.fireEvent(this, new WikiPageRenameEvent(this, renameFrom, renameToClean));
    // 
    return renameToClean;
}

Example 37 with WikiEngine

use of org.apache.wiki.WikiEngine in project jspwiki by apache.

the class PageRenamer method updateReferrers.

/**
 *  This method finds all the pages which have anything to do with the fromPage and
 *  change any referrers it can figure out in that page.
 *
 *  @param context WikiContext in which we operate
 *  @param fromPage The old page
 *  @param toPage The new page
 */
private void updateReferrers(WikiContext context, WikiPage fromPage, WikiPage toPage, Set<String> referrers) {
    WikiEngine engine = context.getEngine();
    // No referrers
    if (referrers.isEmpty())
        return;
    for (String pageName : referrers) {
        // small kludge.
        if (pageName.equals(fromPage.getName())) {
            pageName = toPage.getName();
        }
        WikiPage p = engine.getPage(pageName);
        String sourceText = engine.getPureText(p);
        String newText = replaceReferrerString(context, sourceText, fromPage.getName(), toPage.getName());
        if (m_camelCase)
            newText = replaceCCReferrerString(context, newText, fromPage.getName(), toPage.getName());
        if (!sourceText.equals(newText)) {
            p.setAttribute(WikiPage.CHANGENOTE, fromPage.getName() + " ==> " + toPage.getName());
            p.setAuthor(context.getCurrentUser().getName());
            try {
                engine.getPageManager().putPageText(p, newText);
                engine.updateReferences(p);
            } catch (ProviderException e) {
                // 
                // We fail with an error, but we will try to continue to rename
                // other referrers as well.
                // 
                log.error("Unable to perform rename.", e);
            }
        }
    }
}

Example 38 with WikiEngine

use of org.apache.wiki.WikiEngine in project jspwiki by apache.

the class CookieAuthenticationLoginModule method login.

/**
 * @see javax.security.auth.spi.LoginModule#login()
 *
 * {@inheritDoc}
 */
public boolean login() throws LoginException {
    // Otherwise, let's go and look for the cookie!
    HttpRequestCallback hcb = new HttpRequestCallback();
    // UserDatabaseCallback ucb = new UserDatabaseCallback();
    WikiEngineCallback wcb = new WikiEngineCallback();
    Callback[] callbacks = new Callback[] { hcb, wcb };
    try {
        m_handler.handle(callbacks);
        HttpServletRequest request = hcb.getRequest();
        String uid = getLoginCookie(request);
        if (uid != null) {
            WikiEngine engine = wcb.getEngine();
            File cookieFile = getCookieFile(engine, uid);
            if (cookieFile != null && cookieFile.exists() && cookieFile.canRead()) {
                Reader in = null;
                try {
                    in = new BufferedReader(new InputStreamReader(new FileInputStream(cookieFile), "UTF-8"));
                    String username = FileUtil.readContents(in);
                    if (log.isDebugEnabled()) {
                        log.debug("Logged in cookie authenticated name=" + username);
                    }
                    // If login succeeds, commit these principals/roles
                    m_principals.add(new WikiPrincipal(username, WikiPrincipal.LOGIN_NAME));
                    // 
                    // Tag the file so that we know that it has been accessed recently.
                    // 
                    cookieFile.setLastModified(System.currentTimeMillis());
                    return true;
                } catch (IOException e) {
                    return false;
                } finally {
                    if (in != null)
                        in.close();
                }
            }
        }
    } catch (IOException e) {
        String message = "IO exception; disallowing login.";
        log.error(message, e);
        throw new LoginException(message);
    } catch (UnsupportedCallbackException e) {
        String message = "Unable to handle callback; disallowing login.";
        log.error(message, e);
        throw new LoginException(message);
    }
    return false;
}

Example 39 with WikiEngine

use of org.apache.wiki.WikiEngine in project jspwiki by apache.

the class SpamFilter method getChange.

/**
 *  Creates a simple text string describing the added content.
 *
 *  @param context
 *  @param newText
 *  @return Empty string, if there is no change.
 */
private static Change getChange(WikiContext context, String newText) {
    WikiPage page = context.getPage();
    StringBuffer change = new StringBuffer();
    WikiEngine engine = context.getEngine();
    // Get current page version
    Change ch = new Change();
    try {
        String oldText = engine.getPureText(page.getName(), WikiProvider.LATEST_VERSION);
        String[] first = Diff.stringToArray(oldText);
        String[] second = Diff.stringToArray(newText);
        Revision rev = Diff.diff(first, second, new MyersDiff());
        if (rev == null || rev.size() == 0) {
            return ch;
        }
        for (int i = 0; i < rev.size(); i++) {
            Delta d = rev.getDelta(i);
            if (d instanceof AddDelta) {
                d.getRevised().toString(change, "", "\r\n");
                ch.m_adds++;
            } else if (d instanceof ChangeDelta) {
                d.getRevised().toString(change, "", "\r\n");
                ch.m_adds++;
            } else if (d instanceof DeleteDelta) {
                ch.m_removals++;
            }
        }
    } catch (DifferentiationFailedException e) {
        log.error("Diff failed", e);
    }
    // 
    // Don't forget to include the change note, too
    // 
    String changeNote = (String) page.getAttribute(WikiPage.CHANGENOTE);
    if (changeNote != null) {
        change.append("\r\n");
        change.append(changeNote);
    }
    // 
    if (page.getAuthor() != null) {
        change.append("\r\n" + page.getAuthor());
    }
    ch.m_change = change.toString();
    return ch;
}

Example 40 with WikiEngine

use of org.apache.wiki.WikiEngine in project jspwiki by apache.

the class SpamFilter method insertInputFields.

/**
 * This helper method adds all the input fields to your editor that the SpamFilter requires
 * to check for spam.  This <i>must</i> be in your editor form if you intend to use the SpamFilter.
 *
 * @param pageContext The PageContext
 * @return A HTML string which contains input fields for the SpamFilter.
 */
public static final String insertInputFields(PageContext pageContext) {
    WikiContext ctx = WikiContext.findContext(pageContext);
    WikiEngine engine = ctx.getEngine();
    StringBuilder sb = new StringBuilder();
    if (engine.getContentEncoding().equals("UTF-8")) {
        sb.append("<input name='encodingcheck' type='hidden' value='\u3041' />\n");
    }
    return sb.toString();
}