private static VivendiCollection GetRoot(HttpContext context, string userName, bool nested) => GetSessionVariable(context, "Vivendi-" + userName, c =>
{
var connectionStrings = ((VivendiSource[])Enum.GetValues(typeof(VivendiSource))).ToDictionary(_ => _, v => ConfigurationManager.ConnectionStrings[v.ToString()].ConnectionString);
VivendiCollection result;
Vivendi vivendi;
if (nested)
{
result = VivendiCollection.CreateStaticRoot();
vivendi = result.AddVivendi
(
name: userName,
userName: userName,
connectionStrings: connectionStrings
);
}
else
{
result = vivendi = Vivendi.CreateRoot(userName, connectionStrings);
}
vivendi.AddBereiche();
vivendi.AddKlienten().AddKlienten("(Alle Klienten)").ShowAll = true;
vivendi.AddMitarbeiter().AddMitarbeiter("(Alle Mitarbeiter)").ShowAll = true;
return(result);
});
private void WriteCollection(HttpContext context, VivendiCollection collection)
{
// build the response HTML
var response = new StringBuilder();
response.AppendLine(@"<!DOCTYPE html>");
response.Append(@"<html><head><meta charset=""utf-8""/><title>/");
response.Append(HttpUtility.HtmlEncode(string.Join("/", collection.SelfAndAncestors.Select(c => c.DisplayName).Reverse().Skip(1))));
response.Append(@"</title></head><body>");
var parent = collection.Parent;
if (parent != null)
{
response
.Append(@"<a href=""")
.Append(context.GetRelativeHref(parent))
.Append(@""">[..]</a><br/>");
}
// write each readable resource ordered by name
foreach (var res in collection.Children.Where(r => (r.Attributes & FileAttributes.Hidden) == 0).OrderBy(r => r.DisplayName, StringComparer.InvariantCultureIgnoreCase))
{
response
.Append(@"<a href=""")
.Append(context.GetRelativeHref(res))
.Append(@""" title=""Creation Date: ")
.Append(res.CreationDate)
.Append(@" Last Modified: ")
.Append(res.LastModified)
.Append(@""">")
.Append(HttpUtility.HtmlEncode(res.DisplayName))
.Append(@"</a><br/>");
}
// final tags and write
response.Append(@"</body></html>");
context.Response.Write(response);
}
private static VivendiResource?TryGetResourceInternal(HttpContext context, Uri uri, out VivendiCollection parentCollection, out string name, out bool isCollection)
{
// ensure authentication
if (!context.User.Identity.IsAuthenticated)
{
throw new UnauthorizedAccessException();
}
var userName = context.User.Identity.Name;
if (string.IsNullOrEmpty(userName))
{
throw new UnauthorizedAccessException();
}
// ensure the URI refers to the same store
var localPath = uri.LocalPath;
var prefix = context.Request.ApplicationPath;
if (!localPath.StartsWith(prefix, Vivendi.PathComparison) || (localPath = localPath.Substring(prefix.Length)).Length > 0 && localPath[0] != '/')
{
throw WebDAVException.RequestDifferentStore(uri);
}
// check for empty segments before splitting
if (localPath.Contains("//"))
{
throw WebDAVException.RequestInvalidPath(uri);
}
var segments = localPath.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
// super users specify the real user in the first segment
if (ConfigurationManager.AppSettings.GetValues("SuperUser")?.Any(su => string.Equals(userName, su, StringComparison.OrdinalIgnoreCase)) ?? false)
{
if (segments.Length == 0)
{
// the Windows Redirector does not like it if there is no root
parentCollection = VivendiCollection.CreateStaticRoot();
}
else
{
parentCollection = GetRoot(context, segments[0], true);
}
}
else
{
// strip away the domain part if there is one
var domainSep = userName.IndexOf('\\');
parentCollection = GetRoot(context, domainSep > -1 ? userName.Substring(domainSep + 1) : userName, false);
}
// traverse all parts starting at the root
name = string.Empty;
isCollection = localPath.Length > 0 && localPath[localPath.Length - 1] == '/';
var result = parentCollection as VivendiResource;
foreach (var segment in segments)
{
// ensure that the parent is a collection and get the next child
parentCollection = result as VivendiCollection ?? throw WebDAVException.ResourceParentNotFound(uri);
name = segment;
result = parentCollection.GetChild(name);
}
// ensure that no document URI ends in a trailing slash
if (isCollection && result != null && !(result is VivendiCollection))
{
throw WebDAVException.ResourceParentNotFound(uri);
}
return(result);
}
private static VivendiDocument?TryGetDocumentInternal(HttpContext context, Uri uri, out VivendiCollection parentCollection, out string name)
{
// try to get the resource
var res = TryGetResourceInternal(context, uri, out parentCollection, out name, out var isCollection);
if (res == null)
{
// if the URI ends with a slash also treat it as a collection
if (isCollection)
{
throw WebDAVException.ResourceCollectionsImmutable();
}
return(null);
}
// ensure the value is a document
return(res as VivendiDocument ?? throw WebDAVException.ResourceCollectionsImmutable());
}
public static VivendiDocument?TryGetDocument(this HttpContext context, Uri uri, out VivendiCollection parentCollection, out string name) => TryGetDocumentInternal(context, context.VerifyUri(uri), out parentCollection, out name);
public static VivendiDocument?TryGetDocument(this HttpContext context, out VivendiCollection parentCollection, out string name) => TryGetDocumentInternal(context, context.Request.Url, out parentCollection, out name);
protected override void PerformOperation(VivendiDocument sourceDoc, Uri destUri, VivendiCollection destCollection, string destName) => sourceDoc.MoveTo(destCollection, destName);
protected override void PerformOperation(VivendiDocument sourceDoc, Uri destUri, VivendiCollection destCollection, string destName) => destCollection.NewDocument(destName, sourceDoc.CreationDate, sourceDoc.LastModified, sourceDoc.Data);
protected abstract void PerformOperation(VivendiDocument sourceDoc, Uri destUri, VivendiCollection destCollection, string destName);
