Example #1
0
		/// <summary>
		/// Removes the first occurrence of a specific RssCategory from this RssCategoryCollection.
		/// </summary>
		/// <param name="value">
		/// The RssCategory value to remove from this RssCategoryCollection.
		/// </param>
		public virtual void Remove(RssCategory value)
		{
			this.List.Remove(value);
		}
Example #2
0
		/// <summary>
		/// Return the zero-based index of the first occurrence of a specific value
		/// in this RssCategoryCollection
		/// </summary>
		/// <param name="value">
		/// The RssCategory value to locate in the RssCategoryCollection.
		/// </param>
		/// <returns>
		/// The zero-based index of the first occurrence of the _ELEMENT value if found;
		/// -1 otherwise.
		/// </returns>
		public virtual int IndexOf(RssCategory value)
		{
			return this.List.IndexOf(value);
		}
Example #3
0
		/// <summary>
		/// Inserts an element into the RssCategoryCollection at the specified index
		/// </summary>
		/// <param name="index">
		/// The index at which the RssCategory is to be inserted.
		/// </param>
		/// <param name="value">
		/// The RssCategory to insert.
		/// </param>
		public virtual void Insert(int index, RssCategory value)
		{
			this.List.Insert(index, value);
		}
Example #4
0
		/// <summary>
		/// Determines whether a specfic RssCategory value is in this RssCategoryCollection.
		/// </summary>
		/// <param name="value">
		/// The RssCategory value to locate in this RssCategoryCollection.
		/// </param>
		/// <returns>
		/// true if value is found in this RssCategoryCollection;
		/// false otherwise.
		/// </returns>
		public virtual bool Contains(RssCategory value)
		{
			return this.List.Contains(value);
		}
Example #5
0
		/// <summary>
		/// Adds an instance of type RssCategory to the end of this RssCategoryCollection.
		/// </summary>
		/// <param name="value">
		/// The RssCategory to be added to the end of this RssCategoryCollection.
		/// </param>
		public virtual void Add(RssCategory value)
		{
			this.List.Add(value);
		}
Example #6
0
		/// <summary>
		/// Adds the elements of an array to the end of this RssCategoryCollection.
		/// </summary>
		/// <param name="entries">
		/// The array whose elements are to be added to the end of this RssCategoryCollection.
		/// </param>
		public virtual void AddRange(RssCategory[] entries)
		{
			foreach (RssCategory entry in entries)
			{
				this.List.Add(entry);
			}
		}
Example #7
0
		/// <summary>
		/// Initializes a new instance of the RssCategoryCollection class, containing elements
		/// copied from an array.
		/// </summary>
		/// <param name="entries">
		/// The array whose elements are to be added to the new RssCategoryCollection.
		/// </param>
		public RssCategoryCollection(RssCategory[] entries)
		{
			this.AddRange(entries);
		}
        private RssRoot GetRssCore(string category, int maxDayCount, int maxEntryCount)
        {
            if (RedirectToFeedBurnerIfNeeded(category) == true)
            {
                return null;
            }
            EntryCollection entries = null;
            //We only build the entries if blogcore doesn't exist and we'll need them later...
            if (dataService.GetLastEntryUpdate() == DateTime.MinValue)
            {
                entries = BuildEntries(category, maxDayCount, maxEntryCount);
            }

            //Try to get out as soon as possible with as little CPU as possible
            if ( inASMX )
            {
                DateTime lastModified = SiteUtilities.GetLatestModifedEntryDateTime(dataService, entries);
                if (SiteUtilities.GetStatusNotModified(lastModified))
                    return null;
            }

            if ( inASMX )
            {
                string referrer = Context.Request.UrlReferrer!=null?Context.Request.UrlReferrer.AbsoluteUri:"";
                if (ReferralBlackList.IsBlockedReferrer(referrer))
                {
                    if (siteConfig.EnableReferralUrlBlackList404s)
                    {
                        return null;
                    }
                }
                else
                {
                    loggingService.AddReferral(
                        new LogDataItem(
                        Context.Request.RawUrl,
                        referrer,
                        Context.Request.UserAgent,
                        Context.Request.UserHostName));
                }
            }

            //not-modified didn't work, do we have this in cache?
            string CacheKey = "Rss:" + category + ":" + maxDayCount.ToString() + ":" + maxEntryCount.ToString();
            RssRoot documentRoot = cache[CacheKey] as RssRoot;
            if (documentRoot == null) //we'll have to build it...
            {
                //However, if we made it this far, the not-modified check didn't work, and we may not have entries...
                if(entries == null)
                {
                    entries = BuildEntries(category, maxDayCount, maxEntryCount);
                }

                documentRoot = new RssRoot();
                documentRoot.Namespaces.Add("dc","http://purl.org/dc/elements/1.1/");
                documentRoot.Namespaces.Add("trackback","http://madskills.com/public/xml/rss/module/trackback/");
                documentRoot.Namespaces.Add("pingback","http://madskills.com/public/xml/rss/module/pingback/");
                if (siteConfig.EnableComments)
                {
                    documentRoot.Namespaces.Add("wfw","http://wellformedweb.org/CommentAPI/");
                    documentRoot.Namespaces.Add("slash","http://purl.org/rss/1.0/modules/slash/");
                }
                if (siteConfig.EnableGeoRss)
                {
                    documentRoot.Namespaces.Add("georss", "http://www.georss.org/georss");
                }

                RssChannel ch = new RssChannel();

                if(category == null)
                {
                    ch.Title = siteConfig.Title;
                }
                else
                {
                    ch.Title = siteConfig.Title + " - " + category;
                }

                if ( siteConfig.Description == null || siteConfig.Description.Trim().Length == 0 )
                {
                    ch.Description = siteConfig.Subtitle;
                }
                else
                {
                    ch.Description=siteConfig.Description;
                }

                ch.Link = SiteUtilities.GetBaseUrl(siteConfig);
                ch.Copyright = siteConfig.Copyright;
                if (siteConfig.RssLanguage != null && siteConfig.RssLanguage.Length >0)
                {
                    ch.Language = siteConfig.RssLanguage;
                }
                ch.ManagingEditor = siteConfig.Contact;
                ch.WebMaster = siteConfig.Contact;
                ch.Image = null;
                if (siteConfig.ChannelImageUrl != null && siteConfig.ChannelImageUrl.Trim().Length > 0)
                {
                    ChannelImage channelImage = new ChannelImage();
                    channelImage.Title = ch.Title;
                    channelImage.Link = ch.Link;
                    if (siteConfig.ChannelImageUrl.StartsWith("http"))
                    {
                        channelImage.Url = siteConfig.ChannelImageUrl;
                    }
                    else
                    {
                        channelImage.Url = SiteUtilities.RelativeToRoot(siteConfig,siteConfig.ChannelImageUrl);
                    }
                    ch.Image = channelImage;
                }

                documentRoot.Channels.Add(ch);

                foreach (Entry entry in entries)
                {
                    if (entry.IsPublic == false || entry.Syndicated == false)
                    {
                        continue;
                    }
                    XmlDocument doc2 = new XmlDocument();
                    ArrayList anyElements = new ArrayList();
                    RssItem item = new RssItem();
                    item.Title = entry.Title;
                    item.Guid = new Rss20.Guid();
                    item.Guid.IsPermaLink = false;
                    item.Guid.Text = SiteUtilities.GetPermaLinkUrl(siteConfig, entry.EntryId);
                    item.Link = SiteUtilities.GetPermaLinkUrl(siteConfig, entry);
                    User user = SiteSecurity.GetUser(entry.Author);
                    //Scott Hanselman: According to the RSS 2.0 spec and FeedValidator.org,
                    // we can have EITHER an Author tag OR the preferred dc:creator tag, but NOT BOTH.
                    //					if (user != null && user.EmailAddress != null && user.EmailAddress.Length > 0)
                    //					{
                    //						if (user.DisplayName != null && user.DisplayName.Length > 0)
                    //						{
                    //							item.Author = String.Format("{0} ({1})", user.EmailAddress, user.DisplayName);
                    //						}
                    //						else
                    //						{
                    //							item.Author = user.EmailAddress;
                    //						}
                    //					}
                    XmlElement trackbackPing = doc2.CreateElement("trackback","ping","http://madskills.com/public/xml/rss/module/trackback/");
                    trackbackPing.InnerText= SiteUtilities.GetTrackbackUrl(siteConfig,entry.EntryId);
                    anyElements.Add(trackbackPing);

                    XmlElement pingbackServer = doc2.CreateElement("pingback","server","http://madskills.com/public/xml/rss/module/pingback/");
                    pingbackServer.InnerText= new Uri(new Uri(SiteUtilities.GetBaseUrl(siteConfig)), "pingback.aspx").ToString();
                    anyElements.Add(pingbackServer);

                    XmlElement pingbackTarget = doc2.CreateElement("pingback","target","http://madskills.com/public/xml/rss/module/pingback/");
                    pingbackTarget.InnerText=SiteUtilities.GetPermaLinkUrl(siteConfig, entry.EntryId);
                    anyElements.Add(pingbackTarget);

                    XmlElement dcCreator = doc2.CreateElement("dc","creator","http://purl.org/dc/elements/1.1/");
                    if (user != null)
                    {
                        // HACK AG No author e-mail address in feed items.
                        //						if (user.DisplayName != null && user.DisplayName.Length > 0)
                        //						{
                        //							if(user.EmailAddress != null && user.EmailAddress.Length > 0)
                        //							{
                        //								dcCreator.InnerText = String.Format("{0} ({1})", user.EmailAddress, user.DisplayName);
                        //							}
                        //							else
                        //							{
                        dcCreator.InnerText = user.DisplayName;
                        //							}
                        //						}
                        //						else
                        //						{
                        //							dcCreator.InnerText = user.EmailAddress;
                        //						}
                    }
                    anyElements.Add(dcCreator);

                    // Add GeoRSS if it exists.
                    if (siteConfig.EnableGeoRss)
                    {
                        Nullable<double> latitude = new Nullable<double>();
                        Nullable<double> longitude = new Nullable<double>();

                        if (entry.Latitude.HasValue)
                        {
                            latitude = entry.Latitude;
                        }
                        else
                        {
                            if (siteConfig.EnableDefaultLatLongForNonGeoCodedPosts)
                            {
                                latitude = siteConfig.DefaultLatitude;
                            }
                        }

                        if (entry.Longitude.HasValue)
                        {
                            longitude = entry.Longitude;
                        }
                        else
                        {
                            if (siteConfig.EnableDefaultLatLongForNonGeoCodedPosts)
                            {
                                longitude = siteConfig.DefaultLongitude;
                            }
                        }

                        if (latitude.HasValue && longitude.HasValue)
                        {
                            XmlElement geoLoc = doc2.CreateElement("georss", "point", "http://www.georss.org/georss");
                            geoLoc.InnerText = String.Format(CultureInfo.InvariantCulture, "{0:R} {1:R}", latitude, longitude);
                            anyElements.Add(geoLoc);
                        }
                    }

                    if (siteConfig.EnableComments)
                    {
                        if (entry.AllowComments)
                        {
                            XmlElement commentApi = doc2.CreateElement("wfw","comment","http://wellformedweb.org/CommentAPI/");
                            commentApi.InnerText=SiteUtilities.GetCommentViewUrl(siteConfig,entry.EntryId);
                            anyElements.Add(commentApi);
                        }

                        XmlElement commentRss = doc2.CreateElement("wfw","commentRss","http://wellformedweb.org/CommentAPI/");
                        commentRss.InnerText=SiteUtilities.GetEntryCommentsRssUrl(siteConfig,entry.EntryId);
                        anyElements.Add(commentRss);

                        //for RSS conformance per FeedValidator.org
                        int commentsCount = dataService.GetPublicCommentsFor(entry.EntryId).Count;
                        if (commentsCount > 0)
                        {
                            XmlElement slashComments = doc2.CreateElement("slash","comments","http://purl.org/rss/1.0/modules/slash/");
                            slashComments.InnerText=commentsCount.ToString();
                            anyElements.Add(slashComments);
                        }
                        item.Comments = SiteUtilities.GetCommentViewUrl(siteConfig,entry.EntryId);
                    }
                    item.Language = entry.Language;

                    if (entry.Categories != null && entry.Categories.Length > 0)
                    {
                        if(item.Categories == null) item.Categories = new RssCategoryCollection();

                        string[] cats = entry.Categories.Split(';');
                        foreach(string c in cats)
                        {
                            RssCategory cat = new RssCategory();
                            string cleanCat = c.Replace('|', '/');
                            cat.Text = cleanCat;
                            item.Categories.Add(cat);
                        }
                    }
                    if (entry.Attachments.Count > 0)
                    {
                        // RSS currently supports only a single enclsoure so we return the first one
                        item.Enclosure =  new Enclosure();
                        item.Enclosure.Url = SiteUtilities.GetEnclosureLinkUrl(entry.EntryId, entry.Attachments[0]);
                        item.Enclosure.Type = entry.Attachments[0].Type;
                        item.Enclosure.Length = entry.Attachments[0].Length.ToString();
                    }
                    item.PubDate = entry.CreatedUtc.ToString("R");
                    if (ch.LastBuildDate == null || ch.LastBuildDate.Length == 0)
                    {
                        ch.LastBuildDate = item.PubDate;
                    }

                    if (!siteConfig.AlwaysIncludeContentInRSS &&
                        entry.Description != null &&
                        entry.Description.Trim().Length > 0)
                    {
                        item.Description = PreprocessItemContent(entry.EntryId, entry.Description);

                    }
                    else
                    {
                       if (siteConfig.HtmlTidyContent == false)
                       {
                          item.Description = "<div>" + PreprocessItemContent(entry.EntryId, entry.Content) + "</div>";
                       }
                       else
                       {
                     item.Description = ContentFormatter.FormatContentAsHTML(PreprocessItemContent(entry.EntryId, entry.Content));

                     try
                     {
                        string xhtml = ContentFormatter.FormatContentAsXHTML(PreprocessItemContent(entry.EntryId, entry.Content));
                        doc2.LoadXml(xhtml);
                        anyElements.Add((XmlElement)doc2.SelectSingleNode("//*[local-name() = 'body'][namespace-uri()='http://www.w3.org/1999/xhtml']"));
                     }
                     catch //(Exception ex)
                     {
                        //Debug.Write(ex.ToString());
                        // absorb
                     }
                       }
                    }

                    item.anyElements = (XmlElement[])anyElements.ToArray(typeof(XmlElement));
                    ch.Items.Add(item);
                }
                cache.Insert(CacheKey,documentRoot,DateTime.Now.AddMinutes(5));
            }
            return documentRoot;
        }