public void ProcessRequest(HttpContext context)
{
SiteConfig siteConfig = SiteConfig.GetSiteConfig();
string entryId;
string title;
string excerpt;
string url;
string blog_name;
if (!siteConfig.EnableTrackbackService)
{
context.Response.StatusCode = 503;
context.Response.Status = "503 Service Unavailable";
context.Response.End();
return;
}
// Try blocking them once, on the off chance they sent us a referrer
string referrer = context.Request.UrlReferrer != null?context.Request.UrlReferrer.AbsoluteUri:"";
if (ReferralBlackList.IsBlockedReferrer(referrer))
{
if (siteConfig.EnableReferralUrlBlackList404s)
{
context.Response.StatusCode = 404;
context.Response.End();
return;
}
}
entryId = context.Request.QueryString["guid"];
if (context.Request.HttpMethod == "POST")
{
title = context.Request.Form["title"];
excerpt = context.Request.Form["excerpt"];
url = context.Request.Form["url"];
blog_name = context.Request.Form["blog_name"];
}
/* GET is no longer in the Trackback spec. Keeping
* this arround for testing. Just uncomment.
* else if ( context.Request.HttpMethod == "GET" )
* {
* title = context.Request.QueryString["title"];
* excerpt= context.Request.QueryString["excerpt"];
* url = context.Request.QueryString["url"];
* blog_name = context.Request.QueryString["blog_name"];
* }
*/
else
{
context.Response.Redirect(SiteUtilities.GetStartPageUrl(siteConfig));
return;
}
if (url != null && url.Length > 0)
{
try
{
// First line of defense, try blocking again with the URL they are tracking us back with
if (ReferralBlackList.IsBlockedReferrer(url))
{
if (siteConfig.EnableReferralUrlBlackList404s)
{
context.Response.StatusCode = 404;
context.Response.End();
return;
}
}
ILoggingDataService logService = LoggingDataServiceFactory.GetService(SiteConfig.GetLogPathFromCurrentContext());
IBlogDataService dataService = BlogDataServiceFactory.GetService(SiteConfig.GetContentPathFromCurrentContext(), logService);
Entry entry = dataService.GetEntry(entryId);
if (entry != null)
{
try
{
string requestBody = null;
// see if this is a spammer
HttpWebRequest webRequest = WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = "GET";
webRequest.UserAgent = SiteUtilities.GetUserAgent();
HttpWebResponse response = webRequest.GetResponse() as HttpWebResponse;
// now we want to get the page contents of the target body
using (StreamReader requestReader = new StreamReader(response.GetResponseStream()))
{
requestBody = requestReader.ReadToEnd();
}
response.Close();
// the source URL in the page could be URL encoded like the ClickThroughHandler does
string urlEncodedBaseUrl = HttpUtility.UrlEncode(SiteUtilities.GetBaseUrl());
// check to see if the source's page contains a link to us
if (Regex.Match(requestBody, SiteUtilities.GetBaseUrl()).Success == false &&
Regex.Match(requestBody, urlEncodedBaseUrl).Success == false)
{
logService.AddEvent(new EventDataItem(
EventCodes.TrackbackBlocked,
context.Request.UserHostAddress + " because it did not contain a link",
SiteUtilities.GetPermaLinkUrl(entryId),
url,
entry.Title
));
context.Response.StatusCode = 404;
context.Response.End();
return;
}
}
catch
{
// trackback url is not even alive
logService.AddEvent(new EventDataItem(
EventCodes.TrackbackBlocked,
context.Request.UserHostAddress + " because the server did not return a valid response",
SiteUtilities.GetPermaLinkUrl(entryId),
url,
entry.Title
));
context.Response.StatusCode = 404;
context.Response.End();
return;
}
// if we've gotten this far, the trackback is real and valid
Tracking t = new Tracking();
t.PermaLink = url;
t.Referer = context.Request.UrlReferrer != null?context.Request.UrlReferrer.ToString() : String.Empty;
t.RefererBlogName = blog_name;
t.RefererExcerpt = excerpt;
t.RefererTitle = title;
t.RefererIPAddress = context.Request.UserHostAddress;
t.TargetEntryId = entryId;
t.TargetTitle = entry.Title;
t.TrackingType = TrackingType.Trackback;
ISpamBlockingService spamBlockingService = siteConfig.SpamBlockingService;
if (spamBlockingService != null)
{
bool isSpam = false;
try
{
isSpam = spamBlockingService.IsSpam(t);
}
catch (Exception ex)
{
logService.AddEvent(new EventDataItem(EventCodes.Error, String.Format("The external spam blocking service failed for trackback from {0}. Original exception: {1}", t.PermaLink, ex), SiteUtilities.GetPermaLinkUrl(entryId)));
}
if (isSpam)
{
//TODO: maybe we can add a configuration option to moderate trackbacks.
// For now, we'll just avoid saving suspected spam
logService.AddEvent(new EventDataItem(
EventCodes.TrackbackBlocked,
context.Request.UserHostAddress + " because it was considered spam by the external blocking service.",
SiteUtilities.GetPermaLinkUrl(entryId),
url,
entry.Title
));
context.Response.StatusCode = 404;
context.Response.End();
return;
}
}
if (siteConfig.SendTrackbacksByEmail &&
siteConfig.SmtpServer != null && siteConfig.SmtpServer.Length > 0)
{
MailMessage emailMessage = new MailMessage();
if (siteConfig.NotificationEMailAddress != null &&
siteConfig.NotificationEMailAddress.Length > 0)
{
emailMessage.To.Add(siteConfig.NotificationEMailAddress);
}
else
{
emailMessage.To.Add(siteConfig.Contact);
}
emailMessage.Subject = String.Format("Weblog trackback by '{0}' on '{1}'", t.PermaLink, t.TargetTitle);
emailMessage.Body = String.Format("You were tracked back from\n{0}\r\non your weblog entry '{1}'\n({2}\r\n\r\nDelete Trackback: {3})",
t.PermaLink,
t.TargetTitle,
SiteUtilities.GetPermaLinkUrl(entryId),
SiteUtilities.GetTrackbackDeleteUrl(entryId, t.PermaLink, t.TrackingType));
emailMessage.IsBodyHtml = false;
emailMessage.BodyEncoding = System.Text.Encoding.UTF8;
emailMessage.From = new MailAddress(siteConfig.Contact);
SendMailInfo sendMailInfo = new SendMailInfo(emailMessage, siteConfig.SmtpServer,
siteConfig.EnableSmtpAuthentication, siteConfig.UseSSLForSMTP, siteConfig.SmtpUserName, siteConfig.SmtpPassword, siteConfig.SmtpPort);
dataService.AddTracking(t, sendMailInfo);
}
else
{
dataService.AddTracking(t);
}
logService.AddEvent(
new EventDataItem(
EventCodes.TrackbackReceived,
entry.Title,
SiteUtilities.GetPermaLinkUrl(entryId),
url));
// return the correct Trackback response
// http://www.movabletype.org/docs/mttrackback.html
context.Response.Write("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><response><error>0</error></response>");
return;
}
}
catch (System.Threading.ThreadAbortException ex)
{
// absorb
ErrorTrace.Trace(System.Diagnostics.TraceLevel.Error, ex);
return;
}
catch (Exception exc)
{
// absorb
ErrorTrace.Trace(System.Diagnostics.TraceLevel.Error, exc);
// return the correct Trackback response
// http://www.movabletype.org/docs/mttrackback.html
context.Response.Write("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><response><error>1</error><message>" + exc.ToString() + "</message></response>");
return;
}
}
if (entryId != null && entryId.Length > 0)
{
context.Response.Redirect(SiteUtilities.GetPermaLinkUrl(siteConfig, entryId));
}
else
{
context.Response.Redirect(SiteUtilities.GetStartPageUrl(siteConfig));
}
}
public string ping(
string sourceUri,
string targetUri)
{
if (!siteConfig.EnablePingbackService)
{
throw new ServiceDisabledException();
}
string returnValue = "0";
if (ReferralBlackList.IsBlockedReferrer(sourceUri))
{
if (siteConfig.EnableReferralUrlBlackList404s)
{
this.Context.Response.StatusCode = 404;
this.Context.Response.End();
throw new XmlRpcFaultException(404, "not found");
}
}
try
{
string entryId = null;
// OmarS: need to rewrite the URL so w can find the entryId
Uri uriTargetUri = new Uri(SiteUtilities.MapUrl(targetUri));
string query = uriTargetUri.Query;
if (query.Length > 0 && query[0] == '?')
{
query = query.Substring(1);
}
else
{
return(returnValue);
}
string[] queryItems = query.Split('&');
if (queryItems == null)
{
return(returnValue);
}
foreach (string queryItem in queryItems)
{
string[] keyvalue = queryItem.Split('=');
if (keyvalue.Length == 2)
{
string key = keyvalue[0];
string @value = keyvalue[1];
if (key == "guid")
{
entryId = @value;
break;
}
}
}
if (entryId != null)
{
Entry entry = dataService.GetEntry(entryId);
if (entry != null)
{
Tracking t = new Tracking();
t.PermaLink = sourceUri;
t.Referer = this.Context.Request.UrlReferrer != null?this.Context.Request.UrlReferrer.ToString() : String.Empty;
t.RefererBlogName = sourceUri;
t.RefererExcerpt = String.Empty;
t.RefererTitle = sourceUri;
t.TargetEntryId = entryId;
t.TargetTitle = entry.Title;
t.TrackingType = TrackingType.Pingback;
t.RefererIPAddress = this.Context.Request.UserHostAddress;
ISpamBlockingService spamBlockingService = siteConfig.SpamBlockingService;
if (spamBlockingService != null)
{
bool isSpam = false;
try
{
isSpam = spamBlockingService.IsSpam(t);
}
catch (Exception ex)
{
logDataService.AddEvent(new EventDataItem(EventCodes.Error, String.Format("The external spam blocking service failed for pingback from {0}. Original exception: {1}", sourceUri, ex), targetUri));
}
if (isSpam)
{
//TODO: May provide moderation in the future. For now we just ignore the pingback
logDataService.AddEvent(new EventDataItem(
EventCodes.PingbackBlocked,
"Pingback blocked from " + sourceUri + " because it was considered spam by the external blocking service.",
targetUri, sourceUri));
System.Web.HttpContext.Current.Response.StatusCode = 404;
System.Web.HttpContext.Current.Response.End();
throw new XmlRpcFaultException(404, "not found");
}
}
if (siteConfig.SendPingbacksByEmail &&
siteConfig.SmtpServer != null && siteConfig.SmtpServer.Length > 0)
{
MailMessage emailMessage = new MailMessage();
if (siteConfig.NotificationEMailAddress != null &&
siteConfig.NotificationEMailAddress.Length > 0)
{
emailMessage.To.Add(siteConfig.NotificationEMailAddress);
}
else
{
emailMessage.To.Add(siteConfig.Contact);
}
emailMessage.Subject = String.Format("Weblog pingback by '{0}' on '{1}'", sourceUri, t.TargetTitle);
emailMessage.Body = String.Format("You were pinged back by\n{0}\r\non your weblog entry '{1}'\n({2}\r\n\r\nDelete Trackback: {3})",
sourceUri,
t.TargetTitle,
SiteUtilities.GetPermaLinkUrl(entry),
SiteUtilities.GetTrackbackDeleteUrl(entryId, t.PermaLink, t.TrackingType));
emailMessage.IsBodyHtml = false;
emailMessage.BodyEncoding = System.Text.Encoding.UTF8;
emailMessage.From = new MailAddress(siteConfig.Contact);
SendMailInfo sendMailInfo = new SendMailInfo(emailMessage, siteConfig.SmtpServer,
siteConfig.EnableSmtpAuthentication, siteConfig.UseSSLForSMTP, siteConfig.SmtpUserName, siteConfig.SmtpPassword, siteConfig.SmtpPort);
dataService.AddTracking(t, sendMailInfo);
}
else
{
dataService.AddTracking(t);
}
logDataService.AddEvent(
new EventDataItem(EventCodes.PingbackReceived, entry.Title, targetUri, sourceUri));
returnValue = sourceUri;
}
}
}
catch (Exception e)
{
ErrorTrace.Trace(System.Diagnostics.TraceLevel.Error, e);
return("0");
}
return(returnValue);
}
public void ProcessRequest(HttpContext context)
{
SiteConfig siteConfig = SiteConfig.GetSiteConfig();
ILoggingDataService loggingService = LoggingDataServiceFactory.GetService(SiteConfig.GetLogPathFromCurrentContext());
IBlogDataService dataService = BlogDataServiceFactory.GetService(SiteConfig.GetContentPathFromCurrentContext(), loggingService);
string referrer = context.Request.UrlReferrer != null?context.Request.UrlReferrer.AbsoluteUri:"";
if (ReferralBlackList.IsBlockedReferrer(referrer))
{
if (siteConfig.EnableReferralUrlBlackList404s)
{
context.Response.StatusCode = 404;
context.Response.End();
return;
}
}
else
{
loggingService.AddReferral(
new LogDataItem(
context.Request.RawUrl,
referrer,
context.Request.UserAgent,
context.Request.UserHostName));
}
context.Response.ContentType = "application/x-cdf";
//Create the XmlWriter around the Response
XmlTextWriter xw = new XmlTextWriter(context.Response.Output);
xw.Formatting = Formatting.Indented;
EntryCollection entriesAll = dataService.GetEntriesForDay(
DateTime.Now.ToUniversalTime(), new Util.UTCTimeZone(),
null, siteConfig.RssDayCount, siteConfig.RssMainEntryCount, null);
EntryCollection entries = new EntryCollection();
foreach (Entry e in entriesAll)
{
if (e.IsPublic == true)
{
entries.Add(e);
}
}
entries.Sort(new EntrySorter());
//Write out the boilerplate CDF
xw.WriteStartDocument();
xw.WriteStartElement("CHANNEL");
xw.WriteAttributeString("HREF", SiteUtilities.GetBaseUrl(siteConfig));
foreach (Entry current in entries)
{
xw.WriteAttributeString("LASTMOD",
FormatLastMod(current.ModifiedLocalTime));
}
/*IEnumerator enumerator = entries.GetEnumerator();
* if(enumerator.MoveNext())
* {
* xw.WriteAttributeString("LASTMOD",
* FormatLastMod(((Entry)enumerator.Current).ModifiedLocalTime));
* }*/
xw.WriteAttributeString("LEVEL", "1");
xw.WriteAttributeString("PRECACHE", "YES");
xw.WriteElementString("TITLE", siteConfig.Title);
xw.WriteElementString("ABSTRACT", siteConfig.Subtitle);
foreach (Entry entry in entries)
{
xw.WriteStartElement("ITEM");
xw.WriteAttributeString("HREF", SiteUtilities.GetPermaLinkUrl(siteConfig, (ITitledEntry)entry));
xw.WriteAttributeString("LASTMOD", FormatLastMod(entry.ModifiedLocalTime));
xw.WriteAttributeString("LEVEL", "1");
xw.WriteAttributeString("PRECACHE", "YES");
xw.WriteElementString("TITLE", entry.Title);
if (entry.Description != null && entry.Description.Length > 0)
{
xw.WriteElementString("ABSTRACT", entry.Description);
}
xw.WriteEndElement();
}
xw.WriteEndElement(); //channel
xw.WriteEndDocument();
}
private IARoot GetInstantArticleCount(int maxDays, int maxEntries)
{
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(null, maxDays, maxEntries);
}
//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 = string.Format("InstantArticle:{0}:{1}", maxDays, maxEntries);
IARoot documentRoot = cache[CacheKey] as IARoot;
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(null, maxDays, maxEntries);
}
documentRoot = new IARoot();
documentRoot.Namespaces.Add("content", "http://purl.org/rss/1.0/modules/content/");
IAChannel ch = new IAChannel();
ch.Title = siteConfig.Title;
ch.Link = SiteUtilities.GetBaseUrl(siteConfig);
if (siteConfig.Description == null || siteConfig.Description.Trim().Length == 0)
{
ch.Description = siteConfig.Subtitle;
}
else
{
ch.Description = siteConfig.Description;
}
ch.PubDate = DateTime.UtcNow.ToString();
ch.LastBuildDate = DateTime.UtcNow.ToString();
if (siteConfig.RssLanguage != null && siteConfig.RssLanguage.Length > 0)
{
ch.Language = siteConfig.RssLanguage;
}
//generator
ch.Docs = string.Empty;
documentRoot.Channels.Add(ch);
foreach (Entry entry in entries)
{
if (entry.IsPublic == false || entry.Syndicated == false)
{
continue;
}
IAItem item = new IAItem();
List <XmlElement> anyElements = new List <XmlElement>();
XmlDocument xmlDoc = new XmlDocument();
item.Title = entry.Title;
item.PubDate = entry.CreatedUtc.ToString("R");
if (ch.LastBuildDate == null || ch.LastBuildDate.Length == 0)
{
ch.LastBuildDate = item.PubDate;
}
item.Link = SiteUtilities.GetPermaLinkUrl(siteConfig, (ITitledEntry)entry);
item.Guid = entry.EntryId;
if (!siteConfig.AlwaysIncludeContentInRSS &&
entry.Description != null &&
entry.Description.Trim().Length > 0)
{
item.Description = PreprocessItemContent(entry.EntryId, entry.Description);
}
else
{
item.Description = ContentFormatter.FormatContentAsHTML(PreprocessItemContent(entry.EntryId, entry.Content));
}
XmlElement contentEncoded = xmlDoc.CreateElement("content", "encoded", "http://purl.org/rss/1.0/modules/content/");
string encData = string.Format("<!doctype html>" +
"<html lang=\"en\" prefix=\"op: http://media.facebook.com/op#\">" +
"<head>" +
"<meta charset=\"utf-8\">" +
"<link rel=\"canonical\" href=\"{3}\">" +
"<meta property=\"op:markup_version\" content=\"v1.0\">" +
"</head>" +
"<body><article>" +
"<header>{0}</header>" +
"{1}" +
"<footer>{2}</footer>" +
"</article></body></html>",
entry.Title,
ContentFormatter.FormatContentAsHTML(PreprocessItemContent(entry.EntryId, entry.Content)),
string.Empty, item.Link);
XmlCDataSection cdata = xmlDoc.CreateCDataSection(encData);
contentEncoded.AppendChild(cdata);
anyElements.Add(contentEncoded);
item.anyElements = anyElements.ToArray();
ch.Items.Add(item);
}
cache.Insert(CacheKey, documentRoot, DateTime.Now.AddMinutes(5));
}
return(documentRoot);
}
private AtomRoot GetAtomCore(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)
{
if (SiteUtilities.GetStatusNotModified(SiteUtilities.GetLatestModifedEntryDateTime(dataService, entries)))
{
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 = "Atom:" + category + ":" + maxDayCount.ToString() + ":" + maxEntryCount.ToString();
AtomRoot atomFeed = cache[CacheKey] as AtomRoot;
if (atomFeed == null) //we'll have to build it...
{
atomFeed = new AtomRoot();
//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);
}
if (siteConfig.RssLanguage != null && siteConfig.RssLanguage.Length > 0)
{
atomFeed.Lang = siteConfig.RssLanguage;
}
else //original default behavior of dasBlog
{
atomFeed.Lang = "en-us";
}
if (category == null)
{
atomFeed.Title = siteConfig.Title;
}
else
{
atomFeed.Title = siteConfig.Title + " - " + category;
}
atomFeed.Tagline = siteConfig.Subtitle;
atomFeed.Links.Add(new AtomLink(SiteUtilities.GetBaseUrl(siteConfig)));
atomFeed.Links.Add(new AtomLink(SiteUtilities.GetAtomUrl(siteConfig), "self", null));
atomFeed.Author = new AtomParticipant();
// shouldn't we use the display name of an owner??
atomFeed.Author.Name = siteConfig.Copyright;
atomFeed.Generator = new AtomGenerator();
atomFeed.Generator.Version = GetType().Assembly.GetName().Version.ToString();
atomFeed.Icon = "favicon.ico";
atomFeed.Id = SiteUtilities.GetBaseUrl(siteConfig);
atomFeed.Logo = null;
if (siteConfig.ChannelImageUrl != null && siteConfig.ChannelImageUrl.Trim().Length > 0)
{
if (siteConfig.ChannelImageUrl.StartsWith("http"))
{
atomFeed.Logo = siteConfig.ChannelImageUrl;
}
else
{
atomFeed.Logo = SiteUtilities.RelativeToRoot(siteConfig, siteConfig.ChannelImageUrl);
}
}
DateTime feedModified = DateTime.MinValue;
foreach (Entry entry in entries)
{
if (entry.IsPublic == false || entry.Syndicated == false)
{
continue;
}
string entryLink = SiteUtilities.GetPermaLinkUrl(siteConfig, (ITitledEntry)entry);
string entryGuid = SiteUtilities.GetPermaLinkUrl(siteConfig, entry.EntryId);
AtomEntry atomEntry = new AtomEntry(entry.Title, new AtomLink(entryLink), entryGuid, entry.CreatedUtc, entry.ModifiedUtc);
//atomEntry.Created = entry.CreatedUtc; //not needed in 1.0
atomEntry.Summary = PreprocessItemContent(entry.EntryId, entry.Description);
// for multiuser blogs we want to be able to
// show the author per entry
User user = SiteSecurity.GetUser(entry.Author);
if (user != null)
{
// only the displayname
atomEntry.Author = new AtomParticipant()
{
Name = user.DisplayName
};
}
if (entry.Categories != null && entry.Categories.Length > 0)
{
if (atomEntry.Categories == null)
{
atomEntry.Categories = new AtomCategoryCollection();
}
string[] cats = entry.Categories.Split(';');
foreach (string c in cats)
{
AtomCategory cat = new AtomCategory();
//paulb: scheme should be a valid IRI, acsording to the spec
// (http://www.atomenabled.org/developers/syndication/atom-format-spec.php#element.category)
// so I changed this to the Category view for specified category. Now the feed validator likes us again ;-)
cat.Scheme = SiteUtilities.GetCategoryViewUrl(siteConfig, c); // "hierarchical";
// sub categories should be delimited using the path delimiter
string cleanCat = c.Replace('|', '/');
//Grab the first category, atom doesn't let us do otherwise!
cat.Term = HttpUtility.HtmlEncode(cleanCat);
cat.Label = HttpUtility.HtmlEncode(cleanCat);
atomEntry.Categories.Add(cat);
}
}
// only if we don't have a summary we emit the content
if (siteConfig.AlwaysIncludeContentInRSS || entry.Description == null || entry.Description.Length == 0)
{
atomEntry.Summary = null; // remove empty summary tag
try
{
AtomContent atomContent = new AtomContent();
atomContent.Type = "xhtml";
XmlDocument xmlDoc2 = new XmlDocument();
xmlDoc2.LoadXml(ContentFormatter.FormatContentAsXHTML(PreprocessItemContent(entry.EntryId, entry.Content), "div"));
atomContent.anyElements = new XmlElement[] { xmlDoc2.DocumentElement };
// set the langauge for the content item
atomContent.Lang = entry.Language;
atomEntry.Content = atomContent;
}
catch (Exception) //XHTML isn't happening today
{
//Try again as HTML
AtomContent atomContent = new AtomContent();
atomContent.Type = "html";
atomContent.TextContent = ContentFormatter.FormatContentAsHTML(PreprocessItemContent(entry.EntryId, entry.Content));
// set the langauge for the content item
atomContent.Lang = entry.Language;
atomEntry.Content = atomContent;
}
}
if (atomEntry.ModifiedUtc > feedModified)
{
feedModified = atomEntry.ModifiedUtc;
}
atomFeed.Entries.Add(atomEntry);
}
// set feed modified date to the most recent entry date
atomFeed.ModifiedUtc = feedModified;
cache.Insert(CacheKey, atomFeed, DateTime.Now.AddMinutes(5));
}
return(atomFeed);
}
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)
{
List <XmlElement> anyElements = new List <XmlElement>();
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 = anyElements.ToArray();
ch.Items.Add(item);
}
return(documentRoot);
}
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();
List <XmlElement> anyElements = new List <XmlElement>();
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, (ITitledEntry)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 = anyElements.ToArray();
ch.Items.Add(item);
}
cache.Insert(CacheKey, documentRoot, DateTime.Now.AddMinutes(5));
}
return(documentRoot);
}
