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ItemLink.aspx.cs
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ItemLink.aspx.cs
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//Engage: Publish - https://www.engagesoftware.com
//Copyright (c) 2004-2010
//by Engage Software ( https://www.engagesoftware.com )
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
//TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
//THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
//CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//DEALINGS IN THE SOFTWARE.
using DotNetNuke.Entities.Controllers;
namespace Engage.Dnn.Publish
{
//Need to determine whether or not ItemLink.aspx should/can handle versions of an item. This
//would help from the admin controls where we're previewing an old version of an article and that version
//didn't have a display page set and we can't display it. ItemPreview.ascx can handle previewing it
//if this page handled it correctly and passed the versionId along to the control. hk
using System;
using System.Collections.Generic;
using System.Globalization;
using DotNetNuke.Entities.Host;
using DotNetNuke.Entities.Modules;
using DotNetNuke.Entities.Tabs;
using DotNetNuke.Framework;
using Util;
public partial class ItemLink : PageBase
{
private int _itemId;
private string _itemType;
int _tabid = -1;
int _modid = -1;
int _pageid = 1;
string _language = "";
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
InitializeLocalVariables();
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
Load += Page_Load;
}
#endregion
[Obsolete("This method should somehow call ModuleBase.ItemId but because ModuleSettings for the module are needed not sure how to.", false)]
private void InitializeLocalVariables()
{
string i = Request.QueryString["itemId"];
string pi = Request.QueryString["pageid"];
string lang = Request.QueryString["language"];
string a = Request.QueryString["articleId"];
string olda = Request.QueryString["aid"];
string c = Request.QueryString["categoryId"];
string o = Request.QueryString["tabid"];
string m = Request.QueryString["modid"];
if (m != null)
{
if (Utility.HasValue(m))
{
_modid = Convert.ToInt32(m, CultureInfo.InvariantCulture);
}
}
if (pi != null)
{
if (Utility.HasValue(pi))
{
_pageid = Convert.ToInt32(pi, CultureInfo.InvariantCulture);
}
}
if (o != null)
{
if (Utility.HasValue(o))
{
_tabid = Convert.ToInt32(o, CultureInfo.InvariantCulture);
}
}
if (lang != null)
{
if (Utility.HasValue(lang))
{
_language = lang;
}
}
if (i != null)
{
// look up the _itemType if ItemId passed in.
_itemId = Convert.ToInt32(i, CultureInfo.InvariantCulture);
_itemType = Item.GetItemType(_itemId).ToUpperInvariant();
}
else if (a != null)
{
_itemType = ItemType.Article.Name.ToUpperInvariant();
_itemId = Convert.ToInt32(a, CultureInfo.InvariantCulture);
}
else if (olda != null)
{
_itemType = "OLDARTICLE";
_itemId = Convert.ToInt32(olda, CultureInfo.InvariantCulture);
}
else if (c != null)
{
_itemType = ItemType.Category.Name.ToUpperInvariant();
_itemId = Convert.ToInt32(c, CultureInfo.InvariantCulture);
}
else
{
_itemId = -1;
}
}
private void DisplayItem(Item item)
{
//check if item.URL is populated, if so figure out where to redirect.
if (Utility.HasValue(item.Url))
{
//do our redirect now
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = item.GetItemExternalUrl;
}
else
{
int defaultTabId = -1;
object o = HostController.Instance.GetString(Utility.PublishDefaultDisplayPage + item.PortalId);
if (o != null && Utility.HasValue(o.ToString()))
{
defaultTabId = Convert.ToInt32(o, CultureInfo.InvariantCulture);
}
//build language parameter
string friendlyLanguageValue = string.Empty;
string languageValue = string.Empty;
if (!string.IsNullOrEmpty(_language))
{
languageValue = "&language=" + _language;
friendlyLanguageValue = "/language/" + _language + "/";
}
if (item != null)
{
if (item.IsLinkable())
{
if (HostController.Instance.GetString("UseFriendlyUrls") == "Y" && ModuleBase.EnablePublishFriendlyUrlsForPortal(item.PortalId))
{
string pageName = item.Name.Trim();
if (pageName.Length > 50)
{
pageName = item.Name.Substring(0, 50);
}
pageName = Utility.OnlyAlphanumericCharacters(pageName);
//Global.asax Application_BeginRequest checks for these values and will try to redirect to the non-existent page
if (pageName.EndsWith("install", StringComparison.CurrentCultureIgnoreCase) || pageName.EndsWith("installwizard", StringComparison.CurrentCultureIgnoreCase))
{
pageName = pageName.Substring(0, pageName.Length - 1);
}
pageName = pageName + ".aspx";
DotNetNuke.Entities.Portals.PortalSettings ps = Utility.GetPortalSettings(item.PortalId);
var tc = new TabController();
TabInfo ti;
//if the setting to "force display on this page" is set, be sure to send them there.
if (item.ForceDisplayOnPage())
{
ti = tc.GetTab(item.DisplayTabId, item.PortalId, false);
if (ti.IsDeleted)
{
if (defaultTabId > 0)
{
ti = tc.GetTab(defaultTabId, item.PortalId, false);
}
}
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.FriendlyUrl(ti,
"/tabid/" + ti.TabID.ToString(CultureInfo.InvariantCulture) + "/itemid/"
+ item.ItemId.ToString(CultureInfo.InvariantCulture) + UsePageId(true), pageName, ps);
}
else if (_tabid > 0 && item.DisplayOnCurrentPage())
{
ti = tc.GetTab(_tabid, item.PortalId, false);
if (ti.IsDeleted)
{
ti = tc.GetTab(defaultTabId, item.PortalId, false);
}
//check if there is a ModuleID passed in the querystring, if so then send it in the querystring as well
if (_modid > 0)
{
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.FriendlyUrl(ti, "/tabid/" + ti.TabID.ToString(CultureInfo.InvariantCulture) + "/itemid/" + item.ItemId.ToString(CultureInfo.InvariantCulture) + "/modid/" + _modid.ToString(CultureInfo.InvariantCulture) + UsePageId(true) + friendlyLanguageValue, pageName, ps);
}
else
{
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.FriendlyUrl(ti, "/tabid/" + ti.TabID.ToString(CultureInfo.InvariantCulture) + "/itemid/" + item.ItemId.ToString(CultureInfo.InvariantCulture) + UsePageId(true) + friendlyLanguageValue, pageName, ps);
}
}
else
{
ti = tc.GetTab(item.DisplayTabId, item.PortalId, false);
if (ti.IsDeleted)
{
ti = tc.GetTab(defaultTabId, item.PortalId, false);
}
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.FriendlyUrl(ti, "/tabid/" + ti.TabID.ToString(CultureInfo.InvariantCulture) + "/itemid/" + item.ItemId.ToString(CultureInfo.InvariantCulture) + UsePageId(true) + friendlyLanguageValue, pageName, ps);
}
}
else
{
//we need to check for ForceOnCurrentPage
var tc = new TabController();
TabInfo ti;
DotNetNuke.Entities.Portals.PortalSettings ps = Utility.GetPortalSettings(item.PortalId);
//if we are passing in a TabId use it
if (item.ForceDisplayOnPage())
{
ti = tc.GetTab(item.DisplayTabId, item.PortalId, false);
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.NavigateURL(ti.TabID, ps, "", "itemid=" + item.ItemId.ToString(CultureInfo.InvariantCulture) + UsePageId(false) + languageValue);
}
if (_tabid > 0)
{
if (_modid > 0)
{
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.NavigateURL(_tabid, ps, "", "itemid=" + item.ItemId.ToString(CultureInfo.InvariantCulture) + "&modid=" + _modid.ToString(CultureInfo.InvariantCulture) + UsePageId(false) + languageValue);
}
else
{
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.NavigateURL(_tabid, ps, "", "itemid=" + item.ItemId + UsePageId(false) + languageValue);
}
}
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.NavigateURL(item.DisplayTabId, ps, "", "itemid=" + item.ItemId + UsePageId(false) + languageValue);
}
}
else
{
//display on the current page or send them elsewhere.
//display broken link information
//DisplayBrokenLinkMessage(item);
if (defaultTabId > -1)
{
//send them to the Default Display Page
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.NavigateURL(defaultTabId, PortalSettings, "", "itemid=" + item.ItemId.ToString(CultureInfo.InvariantCulture) + UsePageId(false) + languageValue);
}
else
{
DisplayBrokenLinkMessage(item);
}
}
}
else
{
Response.Status = "301 Moved Permanently";
Response.RedirectLocation = DotNetNuke.Common.Globals.NavigateURL();
}
}
}
private string UsePageId(bool friendly)
{
//we don't want to put Pageid in the URL if we're going for Page1
if (_pageid > 1)
{
if (friendly)
{
return "/pageid/" + _pageid.ToString(CultureInfo.InvariantCulture);
}
return "&pageid=" + _pageid.ToString(CultureInfo.InvariantCulture);
}
return string.Empty;
}
private void Page_Load(object sender, EventArgs e)
{
try
{
LocalizeControls();
if (_itemType != null)
{
//TODO: we need to figure out PortalID so we can get the folloing items from Cache
if (_itemType.Equals(ItemType.Category.Name, StringComparison.OrdinalIgnoreCase))
{
//TODO: where can we get portalid from? NEED NEW METHOD - HK
Category category = Category.GetCategory(_itemId);
DisplayItem(category);
}
else if (_itemType.Equals(ItemType.Article.Name, StringComparison.OrdinalIgnoreCase))
{
Article article = Article.GetArticle(_itemId);
DisplayItem(article);
}
else if (_itemType.Equals("OLDARTICLE", StringComparison.OrdinalIgnoreCase))
{
int newId = Article.GetOldArticleId(_itemId);
Article article = Article.GetArticle(newId);
DisplayItem(article);
}
}
}
catch (Exception ec)
{
DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(ec);
}
}
private void LocalizeControls()
{
//todo: why are these not working properly in DNN5.1?
//lblFooter.Text = Localization.GetString("lblFooter", "app_localResources/ItemLink.aspx.resx");
//lblMessage.Text = Localization.GetString("lblMessage", "app_localResources/ItemLink.aspx.resx");
//lblPossible.Text = Localization.GetString("lblPossible", "app_localResources/ItemLink.aspx.resx");
//lblPossibleA.Text = Localization.GetString("lblPossibleA", "app_localResources/ItemLink.aspx.resx");
//lblPossibleB.Text = Localization.GetString("lblPossibleB", "app_localResources/ItemLink.aspx.resx");
//lblTitle.Text = Localization.GetString("lblTitle", "app_localResources/ItemLink.aspx.resx");
}
private void DisplayBrokenLinkMessage(Item item)
{
if (Request.UrlReferrer != null)
{
if (Request.UrlReferrer.Authority == Request.Url.Authority)
{
//The caller is another page on this site so we can use the internal error message
//to the user (InvalidLink.ascx).
NavigateInvalidLinkInternal(item);
}
else
{
DisplayInvalidLinkMessage();
}
}
}
private void DisplayInvalidLinkMessage()
{
if (Request.UrlReferrer != null)
{
string href = Request.UrlReferrer.OriginalString;
metaRefresh.Attributes["content"] = Utility.RedirectInSeconds.ToString(CultureInfo.InvariantCulture) + ";url=" + href;
}
}
private void NavigateInvalidLinkInternal(Item item)
{
//Need tab ID from referrer URL NOT the one associated with the item, that's why we're here because that
//page/tab doesn't have an Engage Publish module on it. HK
int start = Request.UrlReferrer.PathAndQuery.IndexOf("tabid/", StringComparison.OrdinalIgnoreCase) + 6;
int end = Request.UrlReferrer.PathAndQuery.IndexOf("/", start, StringComparison.OrdinalIgnoreCase);
string tabId = Request.UrlReferrer.PathAndQuery.Substring(start, (end - start)).ToUpperInvariant();
//DotNetNuke.Entities.Portals.PortalSettings ps = Util.Utility.GetPortalSettings(item.PortalId);
var tc = new TabController();
TabInfo ti = tc.GetTab(Convert.ToInt32(tabId, CultureInfo.InvariantCulture), item.PortalId, false);
var mc = new ModuleController();
Dictionary<int, ModuleInfo> list = mc.GetTabModules(ti.TabID);
ModuleInfo mi = null;
foreach (ModuleInfo info in list.Values)
{
if (info.DesktopModule.FriendlyName == Utility.DnnFriendlyModuleName)
{
mi = info;
break;
}
}
string path = "/tabid/" + tabId + "/ctl/ItemPreview/itemid/" + _itemId.ToString(CultureInfo.InvariantCulture) + "/";
if (mi != null)
{
path += "mid/" + mi.ModuleID ;
}
string href = DotNetNuke.Common.Globals.FriendlyUrl(ti, path);
Response.Redirect(href, true);
}
}
}