/// <summary>
/// Creates a client context based on the properties of a remote event receiver
/// </summary>
/// <param name="properties">Properties of a remote event receiver</param>
/// <returns>A ClientContext ready to call the web where the event originated</returns>
internal ClientContext CreateRemoteEventReceiverClientContext(SPRemoteEventProperties properties)
{
Uri sharepointUrl;
if (properties.ListEventProperties != null)
{
sharepointUrl = new Uri(properties.ListEventProperties.WebUrl);
}
else if (properties.ItemEventProperties != null)
{
sharepointUrl = new Uri(properties.ItemEventProperties.WebUrl);
}
else if (properties.WebEventProperties != null)
{
sharepointUrl = new Uri(properties.WebEventProperties.FullUrl);
}
else
{
return(null);
}
if (WebConfigAddInDataRescue.IsHighTrustApp())
{
return(GetS2SClientContextWithWindowsIdentity(sharepointUrl, null));
}
return(this.CreateAcsClientContextForUrl(properties, sharepointUrl));
}
/// <summary>
/// Creates a client context based on the properties of an add-in event
/// </summary>
/// <param name="properties">Properties of an add-in event</param>
/// <param name="useAppWeb">True to target the app web, false to target the host web</param>
/// <returns>A ClientContext ready to call the app web or the parent web</returns>
private ClientContext CreateAppEventClientContext(SPRemoteEventProperties properties, bool useAppWeb)
{
if (properties.AppEventProperties == null)
{
return(null);
}
Uri sharepointUrl = useAppWeb ? properties.AppEventProperties.AppWebFullUrl : properties.AppEventProperties.HostWebFullUrl;
if (WebConfigAddInDataRescue.IsHighTrustApp())
{
return(GetS2SClientContextWithWindowsIdentity(sharepointUrl, null));
}
return(this.CreateAcsClientContextForUrl(properties, sharepointUrl));
}
/// <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);
}