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; }
private RssRoot GetCommentsRssCore(CommentCollection _com, string guid) { //Try to get out as soon as possible with as little CPU as possible if ( inASMX ) { DateTime lastModified = SiteUtilities.GetLatestModifedCommentDateTime(dataService, _com); if (SiteUtilities.GetStatusNotModified(lastModified)) return null; } if ( inASMX ) { string referrer = Context.Request.UrlReferrer!=null?Context.Request.UrlReferrer.AbsoluteUri:""; if (ReferralBlackList.IsBlockedReferrer(referrer) == false) { loggingService.AddReferral( new LogDataItem( Context.Request.RawUrl, referrer, Context.Request.UserAgent, Context.Request.UserHostName)); } } // TODO: Figure out why this code is copied and pasted from above rather than using a function (shame!) RssRoot documentRoot = new RssRoot(); RssChannel ch = new RssChannel(); if (guid != null && guid != String.Empty) { //Set the title for this RSS Comments feed ch.Title = siteConfig.Title + " - Comments on " + dataService.GetEntry(guid).Title; } else { ch.Title = siteConfig.Title + " - Comments"; } ch.Link = SiteUtilities.GetBaseUrl(siteConfig); ch.Copyright = siteConfig.Copyright; ch.ManagingEditor = siteConfig.Contact; ch.WebMaster = siteConfig.Contact; documentRoot.Channels.Add(ch); int i = 0; foreach (Comment c in _com) { ArrayList anyElements = new ArrayList(); if (i == siteConfig.RssEntryCount) { break; } i++; string tempTitle = ""; RssItem item = new RssItem(); if(c.TargetTitle != null && c.TargetTitle.Length > 0 ) { tempTitle = " on \"" + c.TargetTitle + "\""; } if(c.Author == null || c.Author == "") { item.Title = "Comment" + tempTitle; } else { item.Title = "Comment by " + c.Author + tempTitle; } //Per the RSS Comments Spec it makes more sense for guid and link to be the same. // http://blogs.law.harvard.edu/tech/rss#comments // 11/11/05 - SDH - Now, I'm thinking not so much... item.Guid = new Rss20.Guid(); item.Guid.Text = c.EntryId; item.Guid.IsPermaLink = false; item.Link = SiteUtilities.GetCommentViewUrl(siteConfig, c.TargetEntryId, c.EntryId); item.PubDate = c.CreatedUtc.ToString("R"); item.Description = c.Content.Replace(Environment.NewLine, "<br />"); if (c.AuthorHomepage == null || c.AuthorHomepage == "") { if (c.AuthorEmail == null || c.AuthorEmail == "") { if(!(c.Author == null || c.Author == "") ) { item.Description = c.Content.Replace(Environment.NewLine, "<br />") + "<br /><br />" + "Posted by: " + c.Author; } } else { string content = c.Content.Replace(Environment.NewLine, "<br />"); if (!siteConfig.SupressEmailAddressDisplay) { item.Description = content + "<br /><br />" + "Posted by: " + "<a href=\"mailto:" + SiteUtilities.SpamBlocker(c.AuthorEmail) + "\">" + c.Author + "</a>"; } else { item.Description = content + "<br /><br />" + "Posted by: " + c.Author; } } } else { if (c.AuthorHomepage.IndexOf("http://") < 0) { c.AuthorHomepage = "http://" + c.AuthorHomepage; } item.Description += "<br /><br />" + "Posted by: " + "<a href=\"" + c.AuthorHomepage + "\">" + c.Author + "</a>"; } if (c.Author != null && c.Author.Length > 0 ) { // the rss spec requires an email address in the author tag // and it can not be obfuscated // according to the feedvalidator string email; if ( !siteConfig.SupressEmailAddressDisplay ) { email = (c.AuthorEmail != null && c.AuthorEmail.Length > 0 ? c.AuthorEmail : "*****@*****.**"); } else { email = "*****@*****.**"; } item.Author = String.Format( "{0} ({1})", email, c.Author); } item.Comments = SiteUtilities.GetCommentViewUrl(siteConfig,c.TargetEntryId,c.EntryId); if (ch.LastBuildDate == null || ch.LastBuildDate.Length == 0) { ch.LastBuildDate = item.PubDate; } XmlDocument doc2 = new XmlDocument(); try { doc2.LoadXml(c.Content); anyElements.Add( (XmlElement)doc2.SelectSingleNode("//*[local-name() = 'body'][namespace-uri()='http://www.w3.org/1999/xhtml']") ); } catch { // absorb } item.anyElements = (XmlElement[])anyElements.ToArray(typeof(XmlElement)); ch.Items.Add(item); } return documentRoot; }