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Copy pathdefault.aspx.cs
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308 lines (282 loc) · 11.6 KB
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using System;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Xml;
using System.Collections.Generic;
using BlogEngine.Core;
using System.Web.UI;
//TODO Remove All URL redirects to Business layer? To speed up page loading instead of having the most visited page handling so many tasks
public partial class _default : BlogEngine.Core.Web.Controls.BlogBasePage
{
bool SearchEngine = false;
protected void Page_Load(object sender, EventArgs e)
{
//Check to see if Client is a SearchEngine or Bot trying to craw the website
CheckBrowserCaps();
if (Page.IsCallback)
return;
// If Client is a SearchEngine or Bot Start the Processing of SearchEngine
if (SearchEngine == true)
{
ProcessSearchEngine();
}
if (Request.RawUrl.ToLowerInvariant().Contains("/category/"))
{
DisplayCategories();
}
else if (Request.RawUrl.ToLowerInvariant().Contains("/author/"))
{
DisplayAuthors();
}
else if (Request.RawUrl.ToLowerInvariant().Contains("?tag="))
{
DisplayTags();
}
else if (Request.QueryString["year"] != null || Request.QueryString["date"] != null || Request.QueryString["calendar"] != null)
{
if (Request.RawUrl.Contains("year="))
Redirect();
else
DisplayDateRange();
}
else if (Request.QueryString["apml"] != null)
{
DisplayApmlFiltering();
}
else
{
if (!BlogSettings.Instance.UseBlogNameInPageTitles)
Page.Title = BlogSettings.Instance.Name + " | ";
if (!string.IsNullOrEmpty(BlogSettings.Instance.Description))
Page.Title += Server.HtmlEncode(BlogSettings.Instance.Description);
AddMetaDescription(BlogSettings.Instance.Description);
}
AddMetaKeywords();
base.AddMetaTag("author", Server.HtmlEncode(BlogSettings.Instance.AuthorName));
}
void CheckBrowserCaps()
{
System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).Crawler)
{
SearchEngine = true;
}
}
/// <summary>
/// Blocks SearchEngine and Bots from indexing Human Only webpages
/// pager,keywords,tags,categories,search and archive page
/// </summary>
private void ProcessSearchEngine ()
{
string CrawlerUrl = Request.RawUrl.ToLowerInvariant();
if (CrawlerUrl.Contains("/category/") ||
CrawlerUrl.Contains("?tag") ||
CrawlerUrl.Contains("?page=") ||
// Post with Date has format http://MainWebsite.com/post/2014/02/13/post-2
CrawlerUrl.Contains(Utils.RelativeWebRoot + "/2013/", StringComparison.OrdinalIgnoreCase) || //Stops Calendar from being indexed
CrawlerUrl.Contains(Utils.RelativeWebRoot + "/2014/", StringComparison.OrdinalIgnoreCase) ||
CrawlerUrl.StartsWith(Utils.RelativeWebRoot + "search.aspx", StringComparison.OrdinalIgnoreCase) ||
CrawlerUrl.StartsWith(Utils.RelativeWebRoot + "archive.aspx", StringComparison.OrdinalIgnoreCase))
{
base.AddMetaTag("ROBOT", "NOINDEX, NOFOLLOW");
//Sends SearchEngine or Bot to the default page
Response.RedirectPermanent(Utils.RelativeWebRoot);
}
}
private void DisplayApmlFiltering()
{
Uri url = null;
if (Uri.TryCreate(Request.QueryString["apml"], UriKind.Absolute, out url))
{
Page.Title = Resources.labels.apmlFilteredList;
try
{
Dictionary<Uri, XmlDocument> docs = Utils.FindSemanticDocuments(url, "apml");
if (docs.Count > 0)
{
foreach (Uri key in docs.Keys)
{
PostList1.ContentBy = ServingContentBy.Apml;
PostList1.Posts = Search.ApmlMatches(docs[key], 30).FindAll(delegate(IPublishable p) { return p is Post; });
PostList1.Posts.Sort(delegate(IPublishable ip1, IPublishable ip2) { return ip2.DateCreated.CompareTo(ip1.DateCreated); });
Page.Title += Resources.labels.per + Server.HtmlEncode(key.Host);
break;
}
}
else
{
divError.InnerHtml = "<h1 style=\"text-align:center\">"+Resources.labels.apmlNotFoundDesc+"</h1><br /><br />";
Page.Title = Resources.labels.apmlNotFound;
}
}
catch (NotSupportedException)
{
divError.InnerHtml = "<h1 style=\"text-align:center\">"+Resources.labels.apmlNoInfoWebsite+"</h1><br /><br />";
Page.Title = Resources.labels.apmlNotFound;
}
catch (System.Net.WebException)
{
divError.InnerHtml = "<h1 style=\"text-align:center\">"+Resources.labels.apmlNoConnWebsite+"</h1><br /><br />";
Page.Title = Resources.labels.apmlAddrInvalid;
}
catch (XmlException)
{
divError.InnerHtml = "<h1 style=\"text-align:center\">"+Resources.labels.apmlInvalidXml+"</h1><br /><br />";
Page.Title = Resources.labels.apmlDocErr;
}
}
else if (PostList1.Posts == null || PostList1.Posts.Count == 0)
{
divError.InnerHtml = "<h1 style=\"text-align:center\">"+Resources.labels.apmlInvalidUrl+"</h1><br /><br />";
Page.Title = Resources.labels.apmlNotFound;
}
}
//TODO Does the old URL redirect still needed with BE 2.9 and above?
/// <summary>
/// Permanently redirects to the correct URL format if the page is requested with
/// the old URL: /default.aspx?year=2007&month=12
/// <remarks>
/// The redirection is important so that we don't end up having 2 URLs
/// to the same resource. It's for SEO purposes.
/// </remarks>
/// </summary>
private void Redirect()
{
string year = Request.QueryString["year"];
string month = Request.QueryString["month"];
string date = Request.QueryString["date"];
string page = string.IsNullOrEmpty(Request.QueryString["page"]) ? string.Empty : "?page=" + Request.QueryString["page"];
string rewrite = null;
if (!string.IsNullOrEmpty(date))
{
DateTime dateParsed = DateTime.Parse(date);
rewrite = Utils.RelativeWebRoot + dateParsed.Year + "/" + dateParsed.Month + "/" + dateParsed.Day + "/default.aspx";
}
else if (!string.IsNullOrEmpty(year) && !string.IsNullOrEmpty(month))
{
rewrite = Utils.RelativeWebRoot + year + "/" + month + "/default.aspx";
}
else if (!string.IsNullOrEmpty(year))
{
rewrite = Utils.RelativeWebRoot + year + "/default.aspx";
}
if (rewrite != null)
{
//TODO Replace this Block of code with Response.RedirectPermanent? Since Asp.net 4.0 has new method saves on code.
Response.Clear();
Response.StatusCode = 301;
Response.AppendHeader("location", rewrite + page);
Response.End();
}
}
private static readonly Regex YEAR_MONTH = new Regex("/([0-9][0-9][0-9][0-9])/([0-1][0-9])", RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex YEAR_MONTH_DAY = new Regex("/([0-9][0-9][0-9][0-9])/([0-1][0-9])/([0-3][0-9])", RegexOptions.IgnoreCase | RegexOptions.Compiled);
/// <summary>
/// Adds the post's tags as meta keywords.
/// </summary>
private void AddMetaKeywords()
{
if (Category.Categories.Count > 0)
{
string[] categories = new string[Category.Categories.Count];
for (int i = 0; i < Category.Categories.Count; i++)
{
categories[i] = Category.Categories[i].Title;
}
string metakeywords = Server.HtmlEncode(string.Join(",", categories));
System.Web.UI.HtmlControls.HtmlMeta tag = null;
foreach (Control c in Page.Header.Controls)
{
if (c is System.Web.UI.HtmlControls.HtmlMeta && (c as System.Web.UI.HtmlControls.HtmlMeta).Name.ToLower() == "keywords")
{
tag = c as System.Web.UI.HtmlControls.HtmlMeta;
tag.Content += ", " + metakeywords;
break;
}
}
if (tag == null)
{
base.AddMetaTag("keywords", metakeywords);
}
}
}
private void DisplayCategories()
{
if (!String.IsNullOrEmpty(Request.QueryString["id"]))
{
Guid categoryId = new Guid(Request.QueryString["id"]);
PostList1.ContentBy = ServingContentBy.Category;
Category category = Category.GetCategory(categoryId, Blog.CurrentInstance.IsSiteAggregation);
PostList1.Posts = Post.GetPostsByCategory(category).ConvertAll(new Converter<Post, IPublishable>(delegate(Post p) { return p as IPublishable; }));
Page.Title = category.Title;
AddMetaDescription(string.IsNullOrWhiteSpace(category.Description) ? category.Title : category.Description);
}
}
private void DisplayAuthors()
{
if (!string.IsNullOrEmpty(Request.QueryString["name"]))
{
string author = Server.UrlDecode(Request.QueryString["name"]);
PostList1.ContentBy = ServingContentBy.Author;
PostList1.Posts = Post.GetPostsByAuthor(author).ConvertAll(new Converter<Post, IPublishable>(delegate(Post p) { return p as IPublishable; }));
Title = Resources.labels.AllPostsBy +" " + Server.HtmlEncode(author);
AddMetaDescription(Title);
}
}
private void DisplayTags()
{
if (!string.IsNullOrEmpty(Request.QueryString["tag"]))
{
var tag = Request.QueryString["tag"];
tag = tag.StartsWith("/") ? tag.Substring(1) : tag;
PostList1.ContentBy = ServingContentBy.Tag;
PostList1.Posts = Post.GetPostsByTag(tag).ConvertAll(new Converter<Post, IPublishable>(delegate(Post p) { return p as IPublishable; }));
Title = string.Format("{0} '{1}'", Resources.labels.AllPostsTagged, tag);
AddMetaDescription(Title);
}
}
private void DisplayDateRange()
{
string year = Request.QueryString["year"];
string month = Request.QueryString["month"];
string specificDate = Request.QueryString["date"];
if (!string.IsNullOrEmpty(year) && !string.IsNullOrEmpty(month))
{
DateTime dateFrom = DateTime.Parse(year + "-" + month + "-01", CultureInfo.InvariantCulture);
DateTime dateTo = dateFrom.AddMonths(1).AddMilliseconds(-1);
PostList1.ContentBy = ServingContentBy.DateRange;
PostList1.Posts = Post.GetPostsByDate(dateFrom, dateTo).ConvertAll(new Converter<Post, IPublishable>(delegate(Post p) { return p as IPublishable; }));
Title = dateFrom.ToString("MMMM yyyy");
}
else if (!string.IsNullOrEmpty(year))
{
DateTime dateFrom = DateTime.Parse(year + "-01-01", CultureInfo.InvariantCulture);
DateTime dateTo = dateFrom.AddYears(1).AddMilliseconds(-1);
PostList1.ContentBy = ServingContentBy.DateRange;
PostList1.Posts = Post.GetPostsByDate(dateFrom, dateTo).ConvertAll(new Converter<Post, IPublishable>(delegate(Post p) { return p as IPublishable; })); ;
Title = dateFrom.ToString("yyyy");
}
else if (!string.IsNullOrEmpty(specificDate) && specificDate.Length == 10)
{
DateTime date = DateTime.Parse(specificDate, CultureInfo.InvariantCulture);
PostList1.ContentBy = ServingContentBy.DateRange;
PostList1.Posts = Post.GetPostsByDate(date, date).ConvertAll(new Converter<Post, IPublishable>(delegate(Post p) { return p as IPublishable; })); ;
Title = date.ToString("MMMM d. yyyy");
}
else if (!string.IsNullOrEmpty(Request.QueryString["calendar"]))
{
calendar.Visible = true;
PostList1.Visible = false;
Title = Server.HtmlEncode(Resources.labels.calendar);
}
AddMetaDescription(Title + " - " + BlogSettings.Instance.Description);
}
private void AddMetaDescription(string desc)
{
if (string.IsNullOrEmpty(desc))
desc = BlogSettings.Instance.Name + " - " + BlogSettings.Instance.Description;
else
desc = BlogSettings.Instance.Name + " - " + BlogSettings.Instance.Description + " - " + desc;
base.AddMetaTag("description", Server.HtmlEncode(desc));
}
}