protected void Page_Load(object sender, EventArgs e)
{
// Manage the case when the application is for some reason restarted
// during the editing of a Page or File
if (Request["Page"] != null)
{
PageInfo page = Pages.FindPage(Request["Page"]);
if (page == null)
{
return;
}
else
{
// The system already authenticates the user, if any, at the request level
string username = Request.UserHostAddress;
if (SessionFacade.LoginKey != null)
{
username = SessionFacade.CurrentUsername;
}
Collisions.RenewEditingSession(page, username);
}
}
}
/// <summary>
/// Verifies for editing collisions, and if no collision is found, "locks" the page
/// </summary>
private void ManageEditingCollisions()
{
if (currentPage == null)
{
return;
}
lblRefreshLink.Text = @"<a href=""" +
UrlTools.BuildUrl(currentWiki, "Edit.aspx?Page=", Tools.UrlEncode(currentPage.FullName), (Request["Section"] != null ? "&Section=" + currentSection.ToString() : "")) +
@""">" + Properties.Messages.Refresh + " »</a>";
string username = Request.UserHostAddress;
if (SessionFacade.LoginKey != null)
{
username = SessionFacade.CurrentUsername;
}
if (Collisions.IsPageBeingEdited(currentPage, username))
{
pnlCollisions.Visible = true;
lblConcurrentEditingUsername.Text = "(" + Users.UserLink(currentWiki, Collisions.WhosEditing(currentPage)) + ")";
if (Settings.GetDisableConcurrentEditing(currentWiki))
{
lblSaveDisabled.Visible = true;
lblSaveDangerous.Visible = false;
btnSave.Enabled = false;
btnSaveAndContinue.Enabled = false;
}
else
{
lblSaveDisabled.Visible = false;
lblSaveDangerous.Visible = true;
btnSave.Enabled = true;
btnSaveAndContinue.Enabled = true;
}
}
else
{
pnlCollisions.Visible = false;
btnSave.Enabled = true;
btnSaveAndContinue.Enabled = true;
Collisions.RenewEditingSession(currentPage, username);
}
}
protected void btnSave_Click(object sender, EventArgs e)
{
bool wasVisible = pnlPageName.Visible;
pnlPageName.Visible = true;
if (!wasVisible && Settings.GetAutoGeneratePageNames(currentWiki) && txtName.Enabled)
{
txtName.Text = GenerateAutoName(txtTitle.Text);
}
txtName.Text = txtName.Text.Trim();
Page.Validate("nametitle");
Page.Validate("captcha");
if (!Page.IsValid)
{
if (!rfvTitle.IsValid || !rfvName.IsValid || !cvName1.IsValid || !cvName2.IsValid)
{
pnlPageName.Visible = true;
pnlManualName.Visible = false;
}
return;
}
pnlPageName.Visible = wasVisible;
// Check permissions
if (currentPage == null)
{
// Check permissions for creating new pages
if (!canCreateNewPages)
{
UrlTools.Redirect("AccessDenied.aspx");
}
}
else
{
// Check permissions for editing current page
if (!canEdit && !canEditWithApproval)
{
UrlTools.Redirect("AccessDenied.aspx");
}
}
chkMinorChange.Visible = true;
chkSaveAsDraft.Visible = true;
// Verify edit with approval
if (!canEdit && canEditWithApproval)
{
chkSaveAsDraft.Checked = true;
}
// Check for scripts (Administrators can always add SCRIPT tags)
if (!SessionFacade.GetCurrentGroupNames(currentWiki).Contains(Settings.GetAdministratorsGroup(currentWiki)) && !Settings.GetScriptTagsAllowed(currentWiki))
{
Regex r = new Regex(@"\<script.*?\>", RegexOptions.Compiled | RegexOptions.IgnoreCase);
if (r.Match(editor.GetContent()).Success)
{
lblResult.Text = @"<span style=""color: #FF0000;"">" + Properties.Messages.ScriptDetected + "</span>";
return;
}
}
bool redirect = true;
if (sender == btnSaveAndContinue)
{
redirect = false;
}
lblResult.Text = "";
lblResult.CssClass = "";
string username = "";
if (SessionFacade.LoginKey == null)
{
username = Request.UserHostAddress;
}
else
{
username = SessionFacade.CurrentUsername;
}
IPagesStorageProviderV40 provider = FindAppropriateProvider();
// Create list of selected categories
List <CategoryInfo> categories = new List <CategoryInfo>();
for (int i = 0; i < lstCategories.Items.Count; i++)
{
if (lstCategories.Items[i].Selected)
{
CategoryInfo cat = Pages.FindCategory(currentWiki, lstCategories.Items[i].Value);
// Sanity check
if (cat.Provider == provider)
{
categories.Add(cat);
}
}
}
txtComment.Text = txtComment.Text.Trim();
txtDescription.Text = txtDescription.Text.Trim();
SaveMode saveMode = SaveMode.Backup;
if (chkSaveAsDraft.Checked)
{
saveMode = SaveMode.Draft;
}
if (chkMinorChange.Checked)
{
saveMode = SaveMode.Normal;
}
if (txtName.Enabled)
{
// Find page, if inexistent create it
Log.LogEntry("Page update requested for " + txtName.Text, EntryType.General, username, currentWiki);
string nspace = DetectNamespaceInfo() != null?DetectNamespaceInfo().Name : null;
PageContent pg = Pages.FindPage(NameTools.GetFullName(DetectNamespace(), txtName.Text), provider);
if (pg == null)
{
saveMode = SaveMode.Normal;
pg = Pages.SetPageContent(currentWiki, nspace, txtName.Text, provider, txtTitle.Text, username, DateTime.UtcNow, txtComment.Text, editor.GetContent(),
GetKeywords(), txtDescription.Text, saveMode);
attachmentManager.CurrentPage = pg;
}
else
{
Pages.SetPageContent(currentWiki, nspace, txtName.Text, provider, txtTitle.Text, username, DateTime.UtcNow, txtComment.Text, editor.GetContent(),
GetKeywords(), txtDescription.Text, saveMode);
}
// Save categories binding
Pages.Rebind(pg, categories.ToArray());
// If not a draft, remove page draft
if (saveMode != SaveMode.Draft)
{
Pages.DeleteDraft(pg.FullName, pg.Provider);
isDraft = false;
}
else
{
isDraft = true;
}
ManageDraft();
lblResult.CssClass = "resultok";
lblResult.Text = Properties.Messages.PageSaved;
// This is a new page, so only who has page management permissions can execute this code
// No notification must be sent for drafts awaiting approval
if (redirect)
{
Collisions.CancelEditingSession(pg, username);
string target = UrlTools.BuildUrl(currentWiki, Tools.UrlEncode(txtName.Text), GlobalSettings.PageExtension, "?NoRedirect=1");
UrlTools.Redirect(target);
}
else
{
// Disable PageName, because the name cannot be changed anymore
txtName.Enabled = false;
pnlManualName.Visible = false;
}
}
else
{
// Used for redirecting to a specific section after editing it
string anchor = "";
if (currentPage == null)
{
currentPage = Pages.FindPage(currentWiki, NameTools.GetFullName(DetectNamespace(), txtName.Text));
}
// Save data
Log.LogEntry("Page update requested for " + currentPage.FullName, EntryType.General, username, currentWiki);
if (!isDraft && currentSection != -1)
{
StringBuilder sb = new StringBuilder(currentPage.Content.Length);
int start, len;
ExtractSection(currentPage.Content, currentSection, out start, out len, out anchor);
if (start > 0)
{
sb.Append(currentPage.Content.Substring(0, start));
}
sb.Append(editor.GetContent());
if (start + len < currentPage.Content.Length - 1)
{
sb.Append(currentPage.Content.Substring(start + len));
}
Pages.SetPageContent(currentPage.Provider.CurrentWiki, NameTools.GetNamespace(currentPage.FullName), NameTools.GetLocalName(currentPage.FullName), txtTitle.Text, username, DateTime.UtcNow, txtComment.Text, sb.ToString(),
GetKeywords(), txtDescription.Text, saveMode);
}
else
{
Pages.SetPageContent(currentPage.Provider.CurrentWiki, NameTools.GetNamespace(currentPage.FullName), NameTools.GetLocalName(currentPage.FullName), txtTitle.Text, username, DateTime.UtcNow, txtComment.Text, editor.GetContent(),
GetKeywords(), txtDescription.Text, saveMode);
}
// Save Categories binding
Pages.Rebind(currentPage, categories.ToArray());
// If not a draft, remove page draft
if (saveMode != SaveMode.Draft)
{
Pages.DeleteDraft(currentPage.FullName, currentPage.Provider);
isDraft = false;
}
else
{
isDraft = true;
}
ManageDraft();
lblResult.CssClass = "resultok";
lblResult.Text = Properties.Messages.PageSaved;
// This code is executed every time the page is saved, even when "Save & Continue" is clicked
// This causes a draft approval notification to be sent multiple times for the same page,
// but this is the only solution because the user might navigate away from the page after
// clicking "Save & Continue" but not "Save" or "Cancel" - in other words, it is necessary
// to take every chance to send a notification because no more chances might be available
if (!canEdit && canEditWithApproval)
{
Pages.SendEmailNotificationForDraft(currentPage.Provider.CurrentWiki, currentPage.FullName, txtTitle.Text, txtComment.Text, username);
}
if (redirect)
{
Collisions.CancelEditingSession(currentPage, username);
string target = UrlTools.BuildUrl(currentWiki, Tools.UrlEncode(currentPage.FullName), GlobalSettings.PageExtension, "?NoRedirect=1",
(!string.IsNullOrEmpty(anchor) ? ("#" + anchor + "_" + currentSection.ToString()) : ""));
UrlTools.Redirect(target);
}
}
}
