public override bool TryFindContent(PublishedContentRequest docRequest)
{
string route = string.Empty;
if (docRequest.HasDomain)
route = docRequest.Domain.RootNodeId.ToString() + DomainHelper.PathRelativeToDomain(docRequest.DomainUri, docRequest.Uri.GetAbsolutePathDecoded());
else
route = docRequest.Uri.GetAbsolutePathDecoded();
var node = FindContent(docRequest, route);
string templateAlias = GetTemplateAliasByContentAccept(docRequest);
ITemplate template = ApplicationContext.Current.Services.FileService.GetTemplate(templateAlias);
if (template != null)
{
LogHelper.Debug<ContentFinderByNiceUrlWithContentAccept>("Valid template: \"{0}\"", () => templateAlias);
if (node != null)
docRequest.SetTemplate(template);
}
else
{
LogHelper.Debug<ContentFinderByNiceUrlWithContentAccept>("Not a valid template: \"{0}\"", () => templateAlias);
}
return node != null;
}
///// <summary>
///// Follows internal redirections through the <c>umbracoInternalRedirectId</c> document property.
///// </summary>
///// <returns>A value indicating whether redirection took place and led to a new published document.</returns>
///// <remarks>
///// <para>Redirecting to a different site root and/or culture will not pick the new site root nor the new culture.</para>
///// <para>As per legacy, if the redirect does not work, we just ignore it.</para>
///// </remarks>
//private bool FollowInternalRedirects()
//{
// const string tracePrefix = "FollowInternalRedirects: ";
// if (_pcr.PublishedContent == null)
// throw new InvalidOperationException("There is no PublishedContent.");
// bool redirect = false;
// var internalRedirect = _pcr.PublishedContent.GetPropertyValue<string>(Constants.Conventions.Content.InternalRedirectId);
// if (string.IsNullOrWhiteSpace(internalRedirect) == false)
// {
// _logger.LogDebug("{0}Found umbracoInternalRedirectId={1}", () => tracePrefix, () => internalRedirect);
// int internalRedirectId;
// if (int.TryParse(internalRedirect, out internalRedirectId) == false)
// internalRedirectId = -1;
// if (internalRedirectId <= 0)
// {
// // bad redirect - log and display the current page (legacy behavior)
// //_pcr.Document = null; // no! that would be to force a 404
// _logger.LogDebug("{0}Failed to redirect to id={1}: invalid value", () => tracePrefix, () => internalRedirect);
// }
// else if (internalRedirectId == _pcr.PublishedContent.Id)
// {
// // redirect to self
// _logger.LogDebug("{0}Redirecting to self, ignore", () => tracePrefix);
// }
// else
// {
// // redirect to another page
// var node = _routingContext.UmbracoContext.ContentCache.GetById(internalRedirectId);
// _pcr.SetInternalRedirectPublishedContent(node); // don't use .PublishedContent here
// if (node != null)
// {
// redirect = true;
// _logger.LogDebug("{0}Redirecting to id={1}", () => tracePrefix, () => internalRedirectId);
// }
// else
// {
// _logger.LogDebug("{0}Failed to redirect to id={1}: no such published document", () => tracePrefix, () => internalRedirectId);
// }
// }
// }
// return redirect;
//}
///// <summary>
///// Ensures that access to current node is permitted.
///// </summary>
///// <remarks>Redirecting to a different site root and/or culture will not pick the new site root nor the new culture.</remarks>
//private void EnsurePublishedContentAccess()
//{
// const string tracePrefix = "EnsurePublishedContentAccess: ";
// if (_pcr.PublishedContent == null)
// throw new InvalidOperationException("There is no PublishedContent.");
// var path = _pcr.PublishedContent.Path;
// var publicAccessAttempt = Services.PublicAccessService.IsProtected(path);
// if (publicAccessAttempt)
// {
// _logger.LogDebug("{0}Page is protected, check for access", () => tracePrefix);
// var membershipHelper = new MembershipHelper(_routingContext.UmbracoContext);
// if (membershipHelper.IsLoggedIn() == false)
// {
// _logger.LogDebug("{0}Not logged in, redirect to login page", () => tracePrefix);
// var loginPageId = publicAccessAttempt.Result.LoginNodeId;
// if (loginPageId != _pcr.PublishedContent.Id)
// _pcr.PublishedContent = _routingContext.UmbracoContext.ContentCache.GetById(loginPageId);
// }
// else if (Services.PublicAccessService.HasAccess(_pcr.PublishedContent.Id, Services.ContentService, _pcr.GetRolesForLogin(membershipHelper.CurrentUserName)) == false)
// {
// _logger.LogDebug("{0}Current member has not access, redirect to error page", () => tracePrefix);
// var errorPageId = publicAccessAttempt.Result.NoAccessNodeId;
// if (errorPageId != _pcr.PublishedContent.Id)
// _pcr.PublishedContent = _routingContext.UmbracoContext.ContentCache.GetById(errorPageId);
// }
// else
// {
// _logger.LogDebug("{0}Current member has access", () => tracePrefix);
// }
// }
// else
// {
// _logger.LogDebug("{0}Page is not protected", () => tracePrefix);
// }
//}
/// <summary>
/// Finds a template for the current node, if any.
/// </summary>
private void FindTemplate()
{
// NOTE: at the moment there is only 1 way to find a template, and then ppl must
// use the Prepared event to change the template if they wish. Should we also
// implement an ITemplateFinder logic?
const string tracePrefix = "FindTemplate: ";
if (_pcr.PublishedContent == null)
{
_pcr.ResetTemplate();
return;
}
// read the alternate template alias from querystring
// only if the published content is the initial once, else the alternate template
// does not apply
// + optionnally, apply the alternate template on internal redirects
var useAltTemplate = (_pcr.IsInitialPublishedContent || (_pcr.IsInternalRedirectPublishedContent));
string altTemplate = null;
if (useAltTemplate)
{
altTemplate = _httpContextAccessor.HttpContext.Request.Query["altTemplate"];
}
if (string.IsNullOrWhiteSpace(altTemplate))
{
// we don't have an alternate template specified. use the current one if there's one already,
// which can happen if a content lookup also set the template (LookupByNiceUrlAndTemplate...),
// else lookup the template id on the document then lookup the template with that id.
if (_pcr.HasTemplate)
{
_logger.LogDebug("{0}Has a template already, and no alternate template.", tracePrefix);
return;
}
var templateId = _pcr.PublishedContent.TemplateId;
if (templateId != Guid.Empty)
{
_logger.LogDebug("{0}Look for template id={1}", tracePrefix, templateId);
var template = _templateService.GetTemplate(templateId);
if (template == null)
{
throw new InvalidOperationException("The template with Id " + templateId + " does not exist, the page cannot render");
}
_pcr.SetTemplate(template);
_logger.LogDebug("{0}Got template id={1} alias=\"{2}\"", tracePrefix, template.Id, template.Alias);
}
else
{
_logger.LogDebug("{0}No specified template.", tracePrefix);
}
}
else
{
// we have an alternate template specified. lookup the template with that alias
// this means the we override any template that a content lookup might have set
// so /path/to/page/template1?altTemplate=template2 will use template2
// ignore if the alias does not match - just trace
if (_pcr.HasTemplate)
{
_logger.LogDebug("{0}Has a template already, but also an alternate template.", tracePrefix);
}
_logger.LogDebug("{0}Look for alternate template alias=\"{1}\"", tracePrefix, altTemplate);
var template = _templateService.GetTemplate(altTemplate);
if (template != null)
{
_pcr.SetTemplate(template);
_logger.LogDebug("{0}Got template id={1} alias=\"{2}\"", tracePrefix, template.Id, template.Alias);
}
else
{
_logger.LogDebug("{0}The template with alias=\"{1}\" does not exist, ignoring.", tracePrefix, altTemplate);
}
}
if (_pcr.HasTemplate == false)
{
_logger.LogDebug("{0}No template was found.", tracePrefix);
// initial idea was: if we're not already 404 and UmbracoSettings.HandleMissingTemplateAs404 is true
// then reset _pcr.Document to null to force a 404.
//
// but: because we want to let MVC hijack routes even though no template is defined, we decide that
// a missing template is OK but the request will then be forwarded to MVC, which will need to take
// care of everything.
//
// so, don't set _pcr.Document to null here
}
else
{
_logger.LogDebug("{0}Running with template id={1} alias=\"{2}\"", tracePrefix, _pcr.TemplateModel.Id, _pcr.TemplateModel.Alias);
}
}