public static WebClient CreateWebClientWithCredentialsAndProxy(NetworkCredential credentials, ProxyOptions proxyOptions)
{
var proxy = proxyOptions != null?SynchronizerFactory.CreateProxy(proxyOptions) : null;
var client = new WebClient
{
Credentials = credentials,
Proxy = proxy
};
return(client);
}
public static async Task <bool> IsOnline(ProxyOptions proxyOptionsOrNull)
{
if (System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable())
{
// Use NCSI to detect network status according to https://technet.microsoft.com/en-us/library/ee126135(v=WS.10).aspx
// try DNS first
try
{
IPHostEntry hostEntry = await Dns.GetHostEntryAsync("dns.msftncsi.com");
IPAddress ipAddress = Array.Find(hostEntry.AddressList, ip => ip.AddressFamily == AddressFamily.InterNetwork);
if (ipAddress != null && ipAddress.ToString() == "131.107.255.255")
{
return(true);
}
}
catch (Exception)
{
}
// if DNS failed, try to download the ncsi.txt
try
{
string txt;
using (var client = new WebClient())
{
IWebProxy proxy = (proxyOptionsOrNull != null) ? SynchronizerFactory.CreateProxy(proxyOptionsOrNull) : null;
client.Proxy = proxy;
txt = await client.DownloadStringTaskAsync(new Uri("http://www.msftncsi.com/ncsi.txt"));
}
if (txt != "Microsoft NCSI")
{
return(false);
}
return(true);
}
catch (Exception)
{
return(false);
}
}
else
{
return(false);
}
}
public IWebProxy GetProxyIfConfigured()
{
return(_networkAndProxyOptions.ProxyOptions != null?SynchronizerFactory.CreateProxy(_networkAndProxyOptions.ProxyOptions) : null);
}
public IWebProxy GetProxyIfConfigured()
{
return(SynchronizerFactory.CreateProxy(CreateProxyOptions()));
}
public IWebProxy GetProxyIfConfigured()
{
return(SynchronizerFactory.CreateProxy(_networkSettingsViewModel.CreateProxyOptions()));
}
public async Task <ServerResources> GetServerResources(NetworkSettingsViewModel networkSettings, GeneralOptions generalOptions)
{
var trimmedUrl = CalenderUrl.Trim();
var url = new Uri(trimmedUrl.EndsWith("/") ? trimmedUrl : trimmedUrl + "/");
var webDavClient = CreateWebDavClient(networkSettings, generalOptions);
var calDavDataAccess = new CalDavDataAccess(url, webDavClient);
var foundResources = await calDavDataAccess.GetUserResourcesNoThrow(false);
var foundAddressBooks = new[] { new AddressBookData(new Uri("googleApi://defaultAddressBook"), "Default AddressBook") };
var service = await GoogleHttpClientFactory.LoginToGoogleTasksService(EmailAddress, SynchronizerFactory.CreateProxy(networkSettings.CreateProxyOptions()));
var taskLists = await service.Tasklists.List().ExecuteAsync();
var taskListsData = taskLists?.Items.Select(i => new TaskListData(i.Id, i.Title)).ToArray() ?? new TaskListData[] { };
return(new ServerResources(foundResources.CalendarResources, foundAddressBooks, taskListsData));
}
public async Task <ServerResources> GetServerResources()
{
var trimmedUrl = CalenderUrl.Trim();
var url = new Uri(trimmedUrl.EndsWith("/") ? trimmedUrl : trimmedUrl + "/");
var webDavClient = _prototypeModel.CreateWebDavClient();
var calDavDataAccess = new CalDavDataAccess(url, webDavClient);
var foundResources = await calDavDataAccess.GetUserResourcesIncludingCalendarProxies(false);
var cardDavDataAccess = new CardDavDataAccess(url, webDavClient, string.Empty, contentType => true);
var foundAddressBooks = await cardDavDataAccess.GetUserAddressBooksNoThrow(true);
var service = await GoogleHttpClientFactory.LoginToGoogleTasksService(EmailAddress, SynchronizerFactory.CreateProxy(_prototypeModel.CreateProxyOptions()));
var taskLists = await service.Tasklists.List().ExecuteAsync();
var taskListsData = taskLists?.Items.Select(i => new TaskListData(i.Id, i.Title, AccessPrivileges.All)).ToArray() ?? new TaskListData[] { };
return(new ServerResources(foundResources.CalendarResources, foundAddressBooks, taskListsData));
}