public async Task <bool> PosconditionOk(Dictionary <string, string> propertiesAndHeaders, HttpResponse response)
{
#region Extracting Properties
string url;
propertiesAndHeaders.TryGetValue("url", out url);
#endregion
if (!Fs.ExistCalendarCollection(url) || await _collectionRepository.Exist(url))
{
response.StatusCode = (int)HttpStatusCode.Forbidden;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns:D='DAV:' xmlns:C='urn:ietf:params:xml:ns:caldav'>
<C:initialize-calendar-collection/>
</error>");
return(await Task.FromResult(false));
}
return(await Task.FromResult(true));
}
public async Task <bool> PreconditionsOK(Dictionary <string, string> propertiesAndHeaders, HttpResponse response)
{
#region Extracting Properties
var body = propertiesAndHeaders["body"];
var url = propertiesAndHeaders["url"];
#endregion
if (fs.ExistCalendarCollection(url) || await _collectionRepository.Exist(url))
{
response.StatusCode = (int)HttpStatusCode.Forbidden;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<resource-must-be-null/>
</error>");
return(false);
}
if (!string.IsNullOrEmpty(body))
{
var bodyTree = XmlTreeStructure.Parse(body);
if (bodyTree == null)
{
response.StatusCode = (int)HttpStatusCode.Forbidden;
response.Body.Write("Wrong Body");
return(false);
}
if (bodyTree.NodeName != "mkcalendar")
{
response.StatusCode = (int)HttpStatusCode.Forbidden;
response.Body.Write("Wrong Body");
return(false);
}
}
return(true);
}
public async Task <bool> PreconditionsOK(Dictionary <string, string> propertiesAndHeaders, HttpResponse response)
{
string calendarResourceId;
propertiesAndHeaders.TryGetValue("calendarResourceID", out calendarResourceId);
string url;
propertiesAndHeaders.TryGetValue("url", out url);
if (calendarResourceId == null && !await _collectionRepository.Exist(url))
{
response.StatusCode = (int)HttpStatusCode.NotFound;
return(false);
}
if (calendarResourceId != null && !await _resourceRespository.Exist(url))
{
response.StatusCode = (int)HttpStatusCode.NotFound;
return(false);
}
return(true);
}
public async Task <bool> DeleteCalendarObjectResource(Dictionary <string, string> propertiesAndHeaders,
HttpResponse response)
{
#region Extracting Properties
string url;
propertiesAndHeaders.TryGetValue("url", out url);
string ifmatch;
var ifMatchEtags = new List <string>();
propertiesAndHeaders.TryGetValue("If-Match", out ifmatch);
if (ifmatch != null)
{
ifMatchEtags = ifmatch.Split(',').ToList();
}
#endregion
//if the collection doesnt exist in the user folder
// the can't do anything
var collectionUrl = url?.Remove(url.LastIndexOf("/", StringComparison.Ordinal) + 1);
if (!StorageManagement.ExistCalendarCollection(collectionUrl) &&
!await _collectionRespository.Exist(collectionUrl))
{
return(true);
}
var resource =
_resourceRespository.Get(url);
if (ifMatchEtags.Count > 0)
{
if (resource != null)
{
var resourceEtag =
XmlTreeStructure.Parse(resource.Properties.FirstOrDefault(x => x.Name == "getetag")?.Value)
.Value;
if (resourceEtag != null && ifMatchEtags.Contains(resourceEtag))
{
response.StatusCode = (int)HttpStatusCode.NoContent;
await _resourceRespository.Remove(resource);
//updating the ctag
var stack = new Stack <string>();
await
_collectionRespository.CreateOrModifyProperty(collectionUrl, "getctag",
_namespacesSimple["S"],
$@"<S:getctag {_namespaces["S"]} >{Guid.NewGuid()}</S:getctag>", stack, true);
return(StorageManagement.DeleteCalendarObjectResource(url));
}
}
}
if (resource != null)
{
response.StatusCode = (int)HttpStatusCode.NoContent;
await _resourceRespository.Remove(resource);
//updating the ctag
var stack = new Stack <string>();
await _collectionRespository.CreateOrModifyProperty(collectionUrl, "getctag", _namespacesSimple["S"],
$@"<S:getctag {_namespaces["S"]} >{Guid.NewGuid()}</S:getctag>", stack, true);
return(StorageManagement.DeleteCalendarObjectResource(url));
}
return(StorageManagement.DeleteCalendarObjectResource(url));
}
