private string BuildUrl(mojoPortal.SearchIndex.IndexItem indexItem)
{
if (indexItem.UseQueryStringParams)
{
return SiteRoot + "/" + indexItem.ViewPage
+ "?pageid="
+ indexItem.PageId.ToString(CultureInfo.InvariantCulture)
+ "&mid="
+ indexItem.ModuleId.ToString(CultureInfo.InvariantCulture)
+ "&ItemID="
+ indexItem.ItemId.ToString(CultureInfo.InvariantCulture)
+ indexItem.QueryStringAddendum;
}
else
{
return SiteRoot + "/" + indexItem.ViewPage;
}
}
private void RenderSearchResults(HttpContext context, mojoPortal.SearchIndex.IndexItemCollection searchResults)
{
context.Response.ContentType = "application/xml";
Encoding encoding = new UTF8Encoding();
context.Response.ContentEncoding = encoding;
string sanitizedQuery = SecurityHelper.RemoveMarkup(query);
using (XmlTextWriter xmlTextWriter = new XmlTextWriter(context.Response.OutputStream, encoding))
{
xmlTextWriter.Formatting = Formatting.Indented;
xmlTextWriter.WriteStartDocument();
xmlTextWriter.WriteStartElement("feed");
xmlTextWriter.WriteAttributeString("xmlns", "http://www.w3.org/2005/Atom");
xmlTextWriter.WriteAttributeString("xmlns:opensearch", "http://a9.com/-/spec/opensearch/1.1/");
xmlTextWriter.WriteStartElement("title");
xmlTextWriter.WriteValue(string.Format(CultureInfo.InvariantCulture, Resource.SearchTitleFormat, siteSettings.SiteName, sanitizedQuery));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.ashx?q=" + context.Server.UrlEncode(sanitizedQuery));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("updated");
xmlTextWriter.WriteValue(DateTime.UtcNow.ToString("u", CultureInfo.InvariantCulture).Replace(" ", "T"));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("author");
xmlTextWriter.WriteStartElement("name");
xmlTextWriter.WriteValue(siteSettings.CompanyName);
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("id");
xmlTextWriter.WriteValue("urn:uuid:" + siteSettings.SiteGuid.ToString());
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("opensearch:totalResults");
xmlTextWriter.WriteValue(totalHits.ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("opensearch:startIndex");
xmlTextWriter.WriteValue(start.ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("opensearch:itemsPerPage");
xmlTextWriter.WriteValue(pageSize.ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("opensearch:Query");
xmlTextWriter.WriteAttributeString("role", "request");
xmlTextWriter.WriteAttributeString("searchTerms", sanitizedQuery);
xmlTextWriter.WriteAttributeString("startPage", "1");
xmlTextWriter.WriteEndElement();
//this is a link to the xhtml search page
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "alternate");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.aspx?q="
+ context.Server.UrlEncode(sanitizedQuery)
+ "&p=" + pageNumber.ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteAttributeString("type", "text/html");
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "self");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.ashx?q="
+ context.Server.UrlEncode(sanitizedQuery)
+ "&p=" + pageNumber.ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteAttributeString("type", "application/atom+xml");
xmlTextWriter.WriteEndElement();
if (totalPages > 1)
{
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "first");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.ashx?q="
+ context.Server.UrlEncode(sanitizedQuery)
+ "&p=1");
xmlTextWriter.WriteAttributeString("type", "application/atom+xml");
xmlTextWriter.WriteEndElement();
if (pageNumber > 1)
{
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "previous");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.ashx?q="
+ context.Server.UrlEncode(sanitizedQuery)
+ "&p=" + (pageNumber -1).ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteAttributeString("type", "application/atom+xml");
xmlTextWriter.WriteEndElement();
}
if (pageNumber < totalPages)
{
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "next");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.ashx?q="
+ context.Server.UrlEncode(sanitizedQuery)
+ "&p=" + (pageNumber + 1).ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteAttributeString("type", "application/atom+xml");
xmlTextWriter.WriteEndElement();
}
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "last");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchResults.ashx?q="
+ context.Server.UrlEncode(sanitizedQuery)
+ "&p=" + totalPages.ToString(CultureInfo.InvariantCulture));
xmlTextWriter.WriteAttributeString("type", "application/atom+xml");
xmlTextWriter.WriteEndElement();
}
////this is a link to the description
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteAttributeString("rel", "search");
xmlTextWriter.WriteAttributeString("type", "application/opensearchdescription+xml");
xmlTextWriter.WriteAttributeString("href", SiteRoot + "/SearchEngineInfo.ashx");
xmlTextWriter.WriteEndElement();
foreach (mojoPortal.SearchIndex.IndexItem item in searchResults)
{
xmlTextWriter.WriteStartElement("entry");
xmlTextWriter.WriteStartElement("link");
xmlTextWriter.WriteValue(BuildUrl(item));
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteStartElement("id");
xmlTextWriter.WriteValue(BuildUrl(item));
xmlTextWriter.WriteEndElement();
//xmlTextWriter.WriteRaw("<updated>2003-12-13T18:30:02Z</updated>");
xmlTextWriter.WriteStartElement("content");
xmlTextWriter.WriteAttributeString("type", "text");
xmlTextWriter.WriteCData(item.Intro);
xmlTextWriter.WriteEndElement();
xmlTextWriter.WriteEndElement();
}
xmlTextWriter.WriteEndElement();
}
}
public static void RefreshFeed(
mojoPortal.Business.RssFeed feedInfo,
int moduleId,
Guid moduleGuid,
int maxDaysOld,
int maxEntriesPerFeed,
bool enableSelectivePublishing)
{
if (feedInfo == null) { return; }
try
{
if (FeedManagerConfiguration.UseReadWriteLockForCacheMenagement)
{
cacheLock.AcquireWriterLock(cacheLockTimeoutInMilliseconds);
}
DateTime cutoffDate = DateTime.Now.AddDays(-maxDaysOld);
mojoPortal.Business.RssFeed.DeleteExpiredEntriesByModule(moduleGuid, cutoffDate);
mojoPortal.Business.RssFeed.DeleteUnPublishedEntriesByFeed(feedInfo.ItemId);
int entriesAdded = 0;
string siteRoot = SiteUtils.GetNavigationSiteRoot();
string secureSiteRoot = SiteUtils.GetSecureNavigationSiteRoot();
bool publish = true;
if (enableSelectivePublishing)
{
if (!feedInfo.PublishByDefault)
{
publish = false;
}
}
string feedUrl = feedInfo.RssUrl;
if (feedUrl.StartsWith("~/"))
{
feedUrl = WebUtils.ResolveServerUrl(feedUrl).Replace("https:", "http:");
}
try
{
GenericSyndicationFeed gsFeed = GenericSyndicationFeed.Create(new Uri(FormatFeedUrl(feedUrl, siteRoot, secureSiteRoot)));
#region RSSFeed_management
if (gsFeed.Format == SyndicationContentFormat.Rss)
{
Argotic.Syndication.RssFeed rssFeed = gsFeed.Resource as Argotic.Syndication.RssFeed;
if (rssFeed != null)
{
foreach (Argotic.Syndication.RssItem rssItem in rssFeed.Channel.Items)
{
if ((rssItem.PublicationDate >= cutoffDate) || (maxDaysOld == 0))
{
if ((entriesAdded < maxEntriesPerFeed) || (maxEntriesPerFeed == 0))
{
string entryBlob = rssItem.Title + rssItem.Link.ToString();
int entryHash = GetEntryHash(entryBlob);
if (UpdateEntry(
moduleGuid,
EnsureDate(rssItem.PublicationDate),
rssItem.Title,
rssItem.Author,
feedInfo.RssUrl,
rssItem.Description,
rssItem.Link.ToString(),
entryHash,
feedInfo.ItemGuid,
feedInfo.ItemId,
publish) > 0)
{
entriesAdded += 1;
}
}
}
}
}
}
#endregion
#region ATOMFeed_management
if (gsFeed.Format == SyndicationContentFormat.Atom)
{
Argotic.Syndication.AtomFeed atomFeed = gsFeed.Resource as Argotic.Syndication.AtomFeed;
foreach (AtomEntry atItem in atomFeed.Entries)
{
if ((atItem.PublishedOn >= cutoffDate) || (maxDaysOld == 0))
{
if ((entriesAdded < maxEntriesPerFeed) || (maxEntriesPerFeed == 0))
{
string entryLink = string.Empty;
StringBuilder entryAuthor = new StringBuilder();
string comma = string.Empty;
foreach (AtomPersonConstruct atPerson in atItem.Authors)
{
entryAuthor.Append(comma + atPerson.Name);
comma = ",";
}
if (entryAuthor.Length == 0)
{
foreach (AtomPersonConstruct atPerson in atomFeed.Authors)
{
entryAuthor.Append(comma + atPerson.Name);
comma = ",";
}
}
foreach (AtomLink atLink in atItem.Links)
{
if (atLink.Relation == "alternate")
{
entryLink = atLink.Uri.ToString();
}
}
if ((entryLink.Length == 0) && (atItem.Links.Count > 0))
{
entryLink = atItem.Links[0].Uri.ToString();
}
string content = string.Empty;
if (atItem.Content == null)
{
if (atItem.Summary != null)
{
content = atItem.Summary.Content;
}
}
else
{
content = atItem.Content.Content;
}
if (content.Length == 0) { continue; }
string entryBlob = atItem.Title.ToString() + entryLink;
int entryHash = GetEntryHash(entryBlob);
if (UpdateEntry(
moduleGuid,
EnsureDate(atItem.PublishedOn),
atItem.Title.ToString(),
entryAuthor.ToString(),
feedInfo.RssUrl,
content,
entryLink,
entryHash,
feedInfo.ItemGuid,
feedInfo.ItemId,
publish) > 0)
{
entriesAdded += 1;
}
}
}
}
}
#endregion
}
catch (WebException ex)
{
if (log.IsErrorEnabled)
{
string logMsg = String.Format("There was a problem trying to read the feed for url {0}. Ignoring.", feedInfo.RssUrl);
log.Error(logMsg, ex);
}
}
catch (UriFormatException ex)
{
if (log.IsErrorEnabled)
{
string logMsg = String.Format("There was a problem trying to read the feed for url {0}. Ignoring.", feedInfo.RssUrl);
log.Error(logMsg, ex);
}
}
catch (System.Net.Sockets.SocketException ex)
{
if (log.IsErrorEnabled)
{
string logMsg = String.Format("There was a problem trying to read the feed for url {0}. Ignoring.", feedInfo.RssUrl);
log.Error(logMsg, ex);
}
}
catch (System.Xml.XmlException ex)
{
if (log.IsErrorEnabled)
{
string logMsg = String.Format("There was a problem trying to read the feed for url {0}. Ignoring.", feedInfo.RssUrl);
log.Error(logMsg, ex);
}
}
catch (System.Security.SecurityException ex)
{
log.Error("Could not load feed due to security exception. Must be running in restricted trust level. Creating server side web requests is not allowed in current configuration.", ex);
}
catch (System.Data.Common.DbException ex)
{
log.Error("Error updating feed database cache", ex);
}
}
finally
{
if (FeedManagerConfiguration.UseReadWriteLockForCacheMenagement)
{
try
{
cacheLock.ReleaseWriterLock();
}
catch (ApplicationException ex)
{
log.Error("swallowed error", ex);
}
}
}
}
