public override void LoadDataFromXmlNode(XmlNode node)
{
base.LoadDataFromXmlNode(node);
try { this.rssFeedUrl = node.SelectSingleNode("Url").InnerText; }
catch { }
try { this.rssChannelPriority = (RssChannelPriority)FormUtil.GetNumber(node.SelectSingleNode("Pri").InnerText, 0, (int)RssChannelPriority.Max); }
catch { }
try { this.renderChannelImage = FormUtil.GetBoolean(node.SelectSingleNode("RCI").InnerText); }
catch { }
try { this.renderChannelTitle = FormUtil.GetBoolean(node.SelectSingleNode("RCT").InnerText); }
catch { }
try { this.renderItemTitles = FormUtil.GetBoolean(node.SelectSingleNode("RIT").InnerText); }
catch { }
try { this.renderItemDescriptions = FormUtil.GetBoolean(node.SelectSingleNode("RID").InnerText); }
catch { }
try { this.renderAd = FormUtil.GetBoolean(node.SelectSingleNode("RAD").InnerText); }
catch { }
// Data cached from the feed fetch
try { this.channelTitle = node.SelectSingleNode("Title").InnerText; }
catch { }
try { this.channelImageUrl = node.SelectSingleNode("ImageUrl").InnerText; }
catch { }
}
private void AddRssFeed(List <FeedItem> items, string rssFeedUrl, RssChannelPriority priority, DateTime dateContext)
{
try
{
// Load the xml document
XmlDocumentEx xmlDocument = new XmlDocumentEx();
xmlDocument.Load(rssFeedUrl);
xmlDocument.LoadNamespaces();
// Determine if an atom or rss feed
bool atom = false;
XmlNode xmlNode = xmlDocument.SelectSingleNode("rss");
if (xmlNode == null)
{
xmlNode = xmlDocument.SelectSingleNode("dfltns:feed", xmlDocument.NamespaceManager);
if (xmlNode == null)
{
return;
}
atom = true;
}
if (atom)
{
this.title = xmlDocument.SelectSingleNode("dfltns:feed/dfltns:title", xmlDocument.NamespaceManager).InnerText;
try
{
this.logoUrl = xmlDocument.SelectSingleNode("dfltns:feed/dfltnslogo", xmlDocument.NamespaceManager).InnerText;
}
catch { }
AddRssItems(xmlDocument, items, dateContext, atom, priority);
}
else
{
this.title = xmlDocument.SelectSingleNode("rss/channel/title").InnerText;
try
{
this.logoUrl = xmlDocument.SelectSingleNode("rss/channel/image/url").InnerText;
}
catch { }
AddRssItems(xmlDocument, items, dateContext, atom, priority);
}
}
catch (Exception)
{
}
}
public override void LoadDataFromQueryString(HttpRequest request)
{
base.LoadDataFromQueryString(request);
try { this.rssFeedUrl = request.QueryString["Url"]; }
catch { }
try { this.rssChannelPriority = (RssChannelPriority)FormUtil.GetNumber(request.QueryString["Pri"], 0, (int)RssChannelPriority.Max); }
catch { }
try { this.renderChannelImage = FormUtil.GetBoolean(request.QueryString["RCI"]); }
catch { }
try { this.renderChannelTitle = FormUtil.GetBoolean(request.QueryString["RCT"]); }
catch { }
try { this.renderItemTitles = FormUtil.GetBoolean(request.QueryString["RIT"]); }
catch { }
try { this.renderItemDescriptions = FormUtil.GetBoolean(request.QueryString["RID"]); }
catch { }
try { this.renderAd = FormUtil.GetBoolean(request.QueryString["RAD"]); }
catch { }
}
public static Feed LoadRssFeed(string rssUrl, RssChannelPriority priority)
{
return(Load(FeedType.Rss, rssUrl + "|" + ((int)priority).ToString()));
}
private static void AddRssItems(XmlDocumentEx xmlDocument, List <FeedItem> items, DateTime dateContext, bool atom, RssChannelPriority priority)
{
XmlNodeList xmlNodes;
if (atom)
{
xmlNodes = xmlDocument.SelectNodes("dfltns:feed/dfltns:entry", xmlDocument.NamespaceManager);
}
else
{
xmlNodes = xmlDocument.SelectNodes("rss/channel/item");
}
foreach (XmlNode node in xmlNodes)
{
ProcessItem(node, items, dateContext, atom, priority);
}
}
private static void ProcessItem(XmlNode node, List <FeedItem> items, DateTime dateContext, bool atom, RssChannelPriority priority)
{
XmlDocumentEx xmlDocument = (XmlDocumentEx)node.OwnerDocument;
// Get the item title
string itemTitle = null;
if (atom)
{
itemTitle = node.SelectSingleNode("dfltns:title", xmlDocument.NamespaceManager).InnerText;
}
else
{
itemTitle = node.SelectSingleNode("title").InnerText;
}
// Get the item description
string itemDescription = null;
if (atom)
{
try
{
itemDescription = node.SelectSingleNode("dfltns:content[@type=\"html\"]", xmlDocument.NamespaceManager).InnerText;
}
catch { }
if (itemDescription == null)
{
try
{
itemDescription = node.SelectSingleNode("dfltns:subtitle", xmlDocument.NamespaceManager).InnerText;
}
catch { }
}
}
else
{
if (xmlDocument.NamespaceManager.HasNamespace("content"))
{
try
{
itemDescription = node.SelectSingleNode(".//content:encoded", xmlDocument.NamespaceManager).InnerText;
}
catch { }
}
if (itemDescription == null)
{
try
{
itemDescription = node.SelectSingleNode(".//description").InnerText;
}
catch { }
}
}
// Get the item published date (if there is one)
DateTime pubDate = dateContext;
try
{
string pubDateString;
if (atom)
{
pubDateString = node.SelectSingleNode("dfltns:published", xmlDocument.NamespaceManager).InnerText;
}
else
{
pubDateString = node.SelectSingleNode("pubDate").InnerText;
}
if (!String.IsNullOrEmpty(pubDateString))
{
pubDate = Convert.ToDateTime(pubDateString);
}
}
catch { }
// Get the image width, height of the item
XmlNodeList contentNodes = null;
XmlNode content = null;
string imageUrl = null;
int width = -1, height = -1;
if (atom)
{
content = node.SelectSingleNode(".//dfltns:link[@rel=\"enclosure\"][@type=\"image/jpeg\"]", xmlDocument.NamespaceManager);
if (content != null)
{
imageUrl = content.Attributes["href"].Value;
}
}
else
{
// See if there is a media tag
if (xmlDocument.NamespaceManager.HasNamespace("media"))
{
contentNodes = node.SelectNodes(".//media:content[@type=\"image/jpeg\"]", xmlDocument.NamespaceManager);
}
// Try the enclosure variant
if (contentNodes == null)
{
contentNodes = node.SelectNodes(".//enclosure[@type=\"image/jpeg\"]", xmlDocument.NamespaceManager);
}
if (contentNodes != null)
{
int maxFileSize = -1;
foreach (XmlNode contentNode in contentNodes)
{
int fileSize = 0;
try
{
fileSize = Convert.ToInt32(contentNode.Attributes["fileSize"].Value);
}
catch { }
if (fileSize > maxFileSize)
{
content = contentNode;
}
}
imageUrl = content.Attributes["url"].Value;
if (!String.IsNullOrEmpty(imageUrl))
{
try
{
string widthString = content.Attributes["width"].Value;
if (!String.IsNullOrEmpty(widthString))
{
width = Convert.ToInt32(widthString);
}
}
catch { }
try
{
string heightString = content.Attributes["height"].Value;
if (!String.IsNullOrEmpty(heightString))
{
height = Convert.ToInt32(heightString);
}
}
catch { }
}
}
}
// Only save the data we need based on the priority
if (priority == RssChannelPriority.Image && imageUrl != null)
{
itemTitle = null;
itemDescription = null;
}
else if (priority == RssChannelPriority.Text && itemDescription != null)
{
imageUrl = null;
width = -1;
height = -1;
}
FeedItem feedItem = new FeedItem();
feedItem.title = itemTitle;
feedItem.description = itemDescription;
feedItem.pubDate = pubDate;
feedItem.imageUrl = imageUrl;
feedItem.imageWidth = width;
feedItem.imageHeight = height;
items.Add(feedItem);
}
public List <FeedItem> GetFeedItems(DateTime dateContext, bool bypassCaches)
{
if (this.items == null ||
bypassCaches ||
this.itemsInvalidDate > dateContext)
{
List <FeedItem> items = new List <FeedItem>();
if (this.feedType == FeedType.Rss)
{
string[] fields = this.data.Split('|');
string rssFeedUrl = fields[0];
RssChannelPriority priority = (RssChannelPriority)Convert.ToInt32(fields[1]);
AddRssFeed(items, rssFeedUrl, priority, dateContext);
}
else if (this.feedType == FeedType.Facebook)
{
string sessionKey = this.data;
AddFacebookFeed(items, sessionKey, dateContext);
}
else if (this.feedType == FeedType.WebPage)
{
string url = this.data;
AddWebPageItems(items, url, dateContext);
}
else if (this.feedType == FeedType.SmugMug)
{
string[] fields = this.data.Split('|');
string userName = fields[0];
SmugMugFeedType smugMugFeedType = (SmugMugFeedType)Convert.ToInt32(fields[1]);
string rssFeedUrl;
if (smugMugFeedType == SmugMugFeedType.Popular)
{
rssFeedUrl = "http://api.smugmug.com/hack/feed.mg?Type=nicknamePopular&Data=" + userName + "&format=rss";
}
else // default is most recent
{
rssFeedUrl = "http://api.smugmug.com/hack/feed.mg?Type=nicknameRecent&Data=" + userName + "&format=rss";
}
AddRssFeed(items, rssFeedUrl, RssChannelPriority.Image, dateContext);
}
else if (this.feedType == FeedType.Flickr)
{
string userName = this.data;
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load("http://api.flickr.com/services/rest/?method=flickr.people.findByUsername&username="******"&api_key=9c870e813907c4a318a0941e70d2fa7a");
string rssFeedUrl = "http://api.flickr.com/services/feeds/photos_public.gne?id=" + xmlDoc.SelectSingleNode("rsp/user/@nsid").Value + "&lang=en-us&format=rss_200";
AddRssFeed(items, rssFeedUrl, RssChannelPriority.Image, dateContext);
}
else if (this.feedType == FeedType.Space)
{
string[] fields = this.data.Split('|');
string spaceName = fields[0];
string albumId = fields[1];
if (!String.IsNullOrEmpty(albumId))
{
AddAlbumId(items, spaceName, albumId, dateContext);
}
else
{
Dictionary <string, string> albums = SpaceChannel.GetAlbums(spaceName);
foreach (string key in albums.Keys)
{
string albumId2 = albums[key];
AddAlbumId(items, spaceName, albumId2, dateContext);
}
}
}
this.isDirty = true;
this.itemsDate = dateContext;
this.itemsInvalidDate = dateContext.AddMinutes(defaultFetchItemsTTL);
this.items = items;
}
return(this.items);
}
