protected void Page_PreInit(object sender, EventArgs e)
{
Uri redirectUrl;
switch (SharePointContextProvider.CheckRedirectionStatus(Context, out redirectUrl))
{
case RedirectionStatus.Ok:
return;
case RedirectionStatus.ShouldRedirect:
Response.Redirect(redirectUrl.AbsoluteUri, endResponse: true);
break;
case RedirectionStatus.CanNotRedirect:
Response.Write("An error occurred while processing your request.");
Response.End();
break;
}
}
protected void Page_PreInit(object sender, EventArgs e)
{
Uri redirectUrl;
switch (SharePointContextProvider.CheckRedirectionStatus(Context, out redirectUrl))
{
case RedirectionStatus.Ok:
return;
case RedirectionStatus.ShouldRedirect:
Response.Redirect(redirectUrl.AbsoluteUri, endResponse: true);
break;
case RedirectionStatus.CanNotRedirect:
Response.Write("This page must be run as pare of a SharePoint App.");
Response.End();
break;
}
}
/// <summary>
/// Define o Contexto Sharepoint baseado no tipo de autenticação realizado
/// </summary>
/// <param name="context">Contexto Http obtido</param>
private ClientContext StartObjectVariables(HttpContext httpContext, string siteCollectionUrl = null, string listName = null)
{
SharePointContextProvider ShpProvider = null;
SharePointContextToken ContextToken = null;
SharePointContext ShpContext = null;
Uri SharePointUrl = null;
ClientContext _currentContext = null;
string AccessToken = null, contextTokenString = null;
if (!WebConfigAddInDataRescue.IsHighTrustApp())
{
ShpProvider = new SharePointAcsContextProvider();
ShpContext = ShpProvider.GetSharePointContext(httpContext);
contextTokenString = ((SharePointAcsContext)ShpContext).ContextToken;
ContextToken = TokenHelper.ReadAndValidateContextToken(contextTokenString, httpContext.Request.Url.Authority) ?? TokenHelper.ReadAndValidateContextToken(contextTokenString, SharePointUrl.Authority);
}
else
{
ShpProvider = new SharePointHighTrustContextProvider();
ShpContext = ShpProvider.GetSharePointContext(httpContext);
}
if (!WebConfigAddInDataRescue.IsHighTrustApp() && string.IsNullOrWhiteSpace(siteCollectionUrl))
{
AccessToken = TokenHelper.GetAccessToken(ContextToken, SharePointUrl.Authority).AccessToken;
_currentContext = ShpContext.GetClientContextWithAccessToken(SharePointUrl.ToString(), AccessToken);
}
else if (WebConfigAddInDataRescue.IsHighTrustApp() && string.IsNullOrWhiteSpace(siteCollectionUrl))
{
AccessToken = ShpContext.UserAccessTokenForSPAppWeb ?? ShpContext.UserAccessTokenForSPHost;
_currentContext = ShpContext.CreateAppOnlyClientContextForSPHost();
}
else if (!string.IsNullOrWhiteSpace(siteCollectionUrl))
{
AccessToken = ShpContext.UserAccessTokenForSPHost;
_currentContext = TokenHelper.GetClientContextWithAccessToken(siteCollectionUrl, AccessToken);
}
return(_currentContext);
}
/// <summary>
/// Registriert die angegebene SharePointContextProvider-Instanz als aktuell.
/// Diese sollte von "Application_Start()" in "Global.asax" aufgerufen werden.
/// </summary>
/// <param name="provider">Der als aktuell festzulegende SharePointContextProvider.</param>
public static void Register(SharePointContextProvider provider)
{
if (provider == null)
{
throw new ArgumentNullException("provider");
}
SharePointContextProvider.current = provider;
}
/// <summary>
/// Initialisiert die SharePointContextProvider-Standardinstanz.
/// </summary>
static SharePointContextProvider()
{
if (!TokenHelper.IsHighTrustApp())
{
SharePointContextProvider.current = new SharePointAcsContextProvider();
}
else
{
SharePointContextProvider.current = new SharePointHighTrustContextProvider();
}
}
private SPClientContext()
{
clientContext = SharePointContextProvider.GetContext();
}
public static void RegisterProvider()
{
//Register the serializable context provider as the current
SharePointContextProvider.Register(new SharePointAcsSerializableContextProvider());
}
