114 lines
3.2 KiB
C#
114 lines
3.2 KiB
C#
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using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.IO;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using ScrewTurn.Wiki.PluginFramework;
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using System.Text;
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namespace ScrewTurn.Wiki {
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public partial class Diff : BasePage {
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protected void Page_Load(object sender, EventArgs e) {
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Page.Title = Properties.Messages.DiffTitle + " - " + Settings.WikiTitle;
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PrintDiff();
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}
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public void PrintDiff() {
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if(Request["Page"] == null || Request["Rev1"] == null || Request["Rev2"] == null) {
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Redirect();
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return;
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}
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StringBuilder sb = new StringBuilder();
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PageInfo page = Pages.FindPage(Request["Page"]);
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if(page == null) {
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Redirect();
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return;
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}
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bool canView = AuthChecker.CheckActionForPage(page, Actions.ForPages.ReadPage,
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SessionFacade.GetCurrentUsername(), SessionFacade.GetCurrentGroupNames());
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if(!canView) UrlTools.Redirect("AccessDenied.aspx");
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int rev1 = -1;
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int rev2 = -1;
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string rev1Text = "";
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string rev2Text = "";
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PageContent rev1Content = null;
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PageContent rev2Content = null;
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bool draft = false;
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// Load rev1 content
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if(int.TryParse(Request["Rev1"], out rev1)) {
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rev1Content = Pages.GetBackupContent(page, rev1);
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rev1Text = rev1.ToString();
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if(rev1Content == null) Redirect();
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}
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else {
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// Look for current
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if(Request["Rev1"].ToLowerInvariant() == "current") {
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rev1Content = Content.GetPageContent(page, false);
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rev1Text = Properties.Messages.Current;
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}
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else Redirect();
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}
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if(int.TryParse(Request["Rev2"], out rev2)) {
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rev2Content = Pages.GetBackupContent(page, rev2);
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rev2Text = rev2.ToString();
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if(rev2Content == null) Redirect();
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}
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else {
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// Look for current or draft
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if(Request["Rev2"].ToLowerInvariant() == "current") {
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rev2Content = Content.GetPageContent(page, false);
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rev2Text = Properties.Messages.Current;
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}
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else if(Request["Rev2"].ToLowerInvariant() == "draft") {
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rev2Content = Pages.GetDraft(page);
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rev2Text = Properties.Messages.Draft;
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draft = true;
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if(rev2Content == null) Redirect();
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}
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else Redirect();
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}
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PageContent content = Content.GetPageContent(page, true);
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lblTitle.Text = Properties.Messages.DiffingPageTitle.Replace("##PAGETITLE##",
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FormattingPipeline.PrepareTitle(content.Title, false, FormattingContext.PageContent, page)).Replace("##REV1##", rev1Text).Replace("##REV2##", rev2Text);
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lblBack.Text = string.Format(@"<a href=""{0}"">« {1}</a>",
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UrlTools.BuildUrl("History.aspx?Page=", Tools.UrlEncode(Request["Page"]), "&Rev1=", Request["Rev1"], "&Rev2=", Request["Rev2"]),
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Properties.Messages.Back);
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lblBack.Visible = !draft;
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sb.Append(Properties.Messages.DiffColorKey);
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sb.Append("<br /><br />");
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string result = DiffTools.DiffRevisions(rev1Content.Content, rev2Content.Content);
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sb.Append(result);
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lblDiff.Text = sb.ToString();
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}
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private void Redirect() {
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UrlTools.RedirectHome();
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}
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}
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}
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