postutils.jsp

来自「Jive是基于JSP/JAVA技术构架的一个大型BBS论坛系统,这是Jive论坛」· JSP 代码 · 共 129 行

<%
/**
 *	$RCSfile: postUtils.jsp,v $
 *	$Revision: 1.2 $
 *	$Date: 2002/07/30 14:53:58 $
 */
%>

<%@ page import="com.jivesoftware.forum.*,
                 com.jivesoftware.forum.util.*"
%>

<%! // Utility methods for posting messages.
    
    /**
     * Determines if the current user has permission to post in the given forum.
     * 
     * @param isReply a boolean which indicates if this user is posting a reply
     * or is creating a new topic.
     * @param user the User object posting this message or null if it is a guest.
     * @param forumFactory the ForumFactory object (used for perm checking).
     * @param forum the Forum we're posting in (used for perm checking).
     */
    private boolean userHasPostPermission(boolean isReply, User user,
            ForumFactory forumFactory, Forum forum)
            throws UnauthorizedException
    {   
        // Check if the user is an admin first:
        if (forum.hasPermission(ForumPermissions.SYSTEM_ADMIN)
                || forum.hasPermission(ForumPermissions.FORUM_ADMIN)
                || forum.getForumCategory().hasPermission(ForumPermissions.CATEGORY_ADMIN))
        {   
            return true;
        }
        boolean hasPermission = false;
        if (isReply) {
            if (forum.hasPermission(ForumPermissions.CREATE_MESSAGE)
                    || forumFactory.hasPermission(ForumPermissions.CREATE_MESSAGE))
            {   
                hasPermission = true;
            }
            else {
                if (user != null) {
                    // throw an UnauthorizedException because this user does
                    // not have permission to post a message.
                    throw new UnauthorizedException("No permission to post replies in this forum");
                }
            }
        }
        // check to see if this use can create new topics
        else {
            if (forum.hasPermission(ForumPermissions.CREATE_THREAD)
                    || forumFactory.hasPermission(ForumPermissions.CREATE_THREAD))
            {   
                hasPermission = true;
            }
            else {
                if (user != null) {
                    // throw an UnauthorizedException because this user does
                    // not have permission to post a new topic.
                    throw new UnauthorizedException("No permission to post topics in this forum");
                }
            }
        }
        return hasPermission;
    }
    
    /**
     *
     */
    private ForumMessage postMessage(HttpServletRequest request, boolean isReply,
            ForumFactory forumFactory, Forum forum, ForumThread thread,
            long messageID, User user, String guestName, String guestEmail,
            String subject, String body)
            throws ForumMessageNotFoundException, UnauthorizedException
    {   
        // The new message to return.
        ForumMessage newMessage = null;
        // The parent message we're replying to (if this is a reply).
	    ForumMessage parentMessage = null;
	    if (isReply) {
            if (messageID == -1L) {
                parentMessage = thread.getRootMessage();
                messageID = parentMessage.getID();
            } else {
                parentMessage = thread.getMessage(messageID);
            }
    	}
        // Create the new message object
        if (user == null) {
            newMessage = forumFactory.createMessage();
        } else {
            newMessage = forumFactory.createMessage(user);
        }
        newMessage.setSubject(subject);
        newMessage.setBody(body);
        // set message properties if this is a guest posting
        if (user == null) {
            if (guestName != null) { newMessage.setProperty("name", guestName); }
            if (guestEmail != null) { newMessage.setProperty("email", guestEmail); }
        }
        
        // Track the IP if requested
        String trackIPs = JiveGlobals.getJiveProperty("skin.default.trackIP");
        if (trackIPs == null || "true".equals(trackIPs)) {
            String IPAddr = request.getRemoteAddr();
            if (IPAddr != null) {
                newMessage.setProperty("IP",IPAddr);
            }
        }
        
        // if this is a reply, add it to the thread
        if (isReply) {
            thread.addMessage(parentMessage,newMessage);
        }
        else {
            // it is a new posting
            thread = forumFactory.createThread(newMessage);
            forum.addThread(thread);
            // Note: We have to reset the message to be the root message of the
            // thread. This call is made in order to get a message object with
            // the correct permissions.
            newMessage = thread.getRootMessage();
        }
        
        return newMessage;
    }
%>