private async Task <SharePointClient> EnsureClientCreated()
{
DiscoveryContext disco = GetFromCache("DiscoveryContext") as DiscoveryContext;
if (disco == null)
{
disco = await DiscoveryContext.CreateAsync();
SaveInCache("DiscoveryContext", disco);
}
var dcr = await disco.DiscoverCapabilityAsync(MyFilesCapability);
var ServiceResourceId = dcr.ServiceResourceId;
var ServiceEndpointUri = dcr.ServiceEndpointUri;
SaveInCache("LastLoggedInUser", dcr.UserId);
return(new SharePointClient(ServiceEndpointUri, async() =>
{
Microsoft.IdentityModel.Clients.ActiveDirectory.ClientCredential creds =
new Microsoft.IdentityModel.Clients.ActiveDirectory.ClientCredential(
disco.AppIdentity.ClientId, disco.AppIdentity.ClientSecret);
return (await disco.AuthenticationContext.AcquireTokenSilentAsync(
ServiceResourceId,
creds,
new UserIdentifier(dcr.UserId, UserIdentifierType.UniqueId))).AccessToken;
}));
}
/// <summary>
/// Checks that a SharePoint client is available to the client.
/// </summary>
/// <returns>The SharePoint Online client.</returns>
public static async Task<SharePointClient> EnsureSharePointClientCreatedAsync()
{
try
{
if (_discoveryContext == null)
{
_discoveryContext = await DiscoveryContext.CreateAsync();
}
var dcr = await _discoveryContext.DiscoverCapabilityAsync("MyFiles");
var serviceEndPointUri = dcr.ServiceEndpointUri;
var serviceResourceId = dcr.ServiceResourceId;
_loggedInUser = dcr.UserId;
return new SharePointClient(serviceEndPointUri, async () =>
{
return (await _discoveryContext.AuthenticationContext.AcquireTokenSilentAsync(serviceResourceId, _discoveryContext.AppIdentity.ClientId, new Microsoft.IdentityModel.Clients.ActiveDirectory.UserIdentifier(dcr.UserId, Microsoft.IdentityModel.Clients.ActiveDirectory.UserIdentifierType.UniqueId))).AccessToken;
});
}
catch (AuthenticationFailedException ex)
{
string errorText = String.Format(
"{0}, code {1}. EnsureSharePointClientCreatedAsync - failed",
ex.ErrorDescription,
ex.ErrorCode
);
LoggingViewModel.Instance.Information = errorText;
}
return null;
}
private async Task <SharePointClient> EnsureClientCreated()
{
DiscoveryContext disco = GetFromCache("DiscoveryContext") as DiscoveryContext;
if (disco == null)
{
disco = await DiscoveryContext.CreateAsync();
SaveInCache("DiscoveryContext", disco);
}
var dcr = await disco.DiscoverCapabilityAsync("MyFiles");
var ServiceResourceId = dcr.ServiceResourceId;
var ServiceEndpointUri = dcr.ServiceEndpointUri;
SaveInCache("LastLoggedInUser", dcr.UserId);
return(new SharePointClient(ServiceEndpointUri, async() =>
{
return (await disco.AuthenticationContext.AcquireTokenByRefreshTokenAsync(
new SessionCache().Read("RefreshToken"),
new Microsoft.IdentityModel.Clients.ActiveDirectory.ClientCredential(
disco.AppIdentity.ClientId,
disco.AppIdentity.ClientSecret),
ServiceResourceId)).AccessToken;
}));
}
public static async Task <SharePointClient> EnsureClientCreated()
{
if (_discoveryContext == null)
{
_discoveryContext = await DiscoveryContext.CreateAsync();
}
var dcr = await _discoveryContext.DiscoverCapabilityAsync(MyFilesCapability);
var ServiceResourceId = dcr.ServiceResourceId;
var ServiceEndpointUri = dcr.ServiceEndpointUri;
_lastLoggedInUser = dcr.UserId;
// Create the MyFiles client proxy:
return(new SharePointClient(ServiceEndpointUri, async() =>
{
return (await _discoveryContext.AuthenticationContext.AcquireTokenByRefreshTokenAsync(new SessionCache().Read("RefreshToken"), new Microsoft.IdentityModel.Clients.ActiveDirectory.ClientCredential(_discoveryContext.AppIdentity.ClientId, _discoveryContext.AppIdentity.ClientSecret), ServiceResourceId)).AccessToken;
}));
}
