protected override SharePointContext CreateSharePointContext(Uri spHostUrl, Uri spAppWebUrl, string spLanguage, string spClientTag, string spProductNumber, HttpRequest httpRequest)
{
string contextTokenString = TokenHandler.GetContextTokenFromRequest(httpRequest);
if (string.IsNullOrEmpty(contextTokenString))
{
return(null);
}
SharePointContextToken contextToken = null;
try
{
contextToken = TokenHandler.ReadAndValidateContextToken(contextTokenString, httpRequest.Host.Value);
}
//catch (WebException)
//{
// return null;
//}
catch (AudienceUriValidationFailedException)
{
return(null);
}
return(new SharePointAcsContext(spHostUrl, spAppWebUrl, spLanguage, spClientTag, spProductNumber, contextTokenString, contextToken, Configuration));
}
protected override bool ValidateSharePointContext(SharePointContext spContext, HttpContext httpContext)
{
SharePointAcsContext spAcsContext = spContext as SharePointAcsContext;
//Checks for the SPCacheKey cookie and gets the value
if (spAcsContext != null)
{
//Uri spHostUrl = SharePointContext.GetUriFromQueryStringParameter
// (httpContext.Request, SharePointContext.SPHostUrlKey);
string contextToken = TokenHandler.GetContextTokenFromRequest(httpContext.Request);
//read the cookie value
var cookieCollection = httpContext.Request.Cookies;
if (!cookieCollection.ContainsKey(SPCacheKeyKey))
{
return(false);
}
var spCacheKeyCookieValue = httpContext.Request.Cookies[SPCacheKeyKey];
string spCacheKey = spCacheKeyCookieValue != null ? spCacheKeyCookieValue : null;
//return spHostUrl == spAcsContext.SPHostUrl && (taken out)
return
(!string.IsNullOrEmpty(spAcsContext.CacheKey) &&
spCacheKey == spAcsContext.CacheKey &&
!string.IsNullOrEmpty(spAcsContext.ContextToken) &&
(string.IsNullOrEmpty(contextToken) || contextToken == spAcsContext.ContextToken));
}
return(false);
}
protected override bool ValidateSharePointContext(SharePointContext spContext, HttpContext httpContext)
{
SharePointAcsContext spAcsContext = spContext as SharePointAcsContext;
//Checks for the SPCacheKey cookie and gets the value
if (spAcsContext != null)
{
Uri spHostUrl = SharePointContext.GetUriFromQueryStringParameter
(httpContext.Request, SharePointContext.SPHostUrlKey);
string contextToken = TokenHandler.GetContextTokenFromRequest(httpContext.Request);
//read the cookie value
HttpCookie spCacheKeyCookie = new HttpCookie(SPCacheKeyKey, httpContext.Request.Cookies[SPCacheKeyKey]);
string spCacheKey = spCacheKeyCookie != null ? spCacheKeyCookie.Value : null;
return(spHostUrl == spAcsContext.SPHostUrl &&
!string.IsNullOrEmpty(spAcsContext.CacheKey) &&
spCacheKey == spAcsContext.CacheKey &&
!string.IsNullOrEmpty(spAcsContext.ContextToken) &&
(string.IsNullOrEmpty(contextToken) || contextToken == spAcsContext.ContextToken));
}
return(false);
}
