/// <summary>
/// Attempts to connect to SharePoint and creates a <see cref="CredentialedSharePointConnectionInfo"/> returned as application/json
/// </summary>
/// <param name="args">An <see cref="CreateCredentialTokenFunctionArgs"/> instance specifying the location of the client configuration in Azure storage.</param>
public HttpResponseMessage Execute(CreateCredentialTokenFunctionArgs args)
{
//If the input is bad in any way there will be an error and the response shall be Unauthorized
try
{
if (_credentialedSharePointConnectionInfo == null)
{
throw new InvalidOperationException("The input didn't have connection info in json format");
}
var clientConfig = GetConfiguration(_credentialedSharePointConnectionInfo.ClientId);
//This will throw if the connection info is no good
_credentialedSharePointConnectionInfo.GetSharePointClientContext();
var token = _credentialedSharePointConnectionInfo.GetEncryptedToken(clientConfig.CredentialedClientConfig.Password, clientConfig.CredentialedClientConfig.Salt);
_response.StatusCode = HttpStatusCode.OK;
_response.Content = new StringContent($"{{\"credentialToken\":\"{token}\"}}");
_response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
return(_response);
}
catch (Exception ex)
{
Log($"Error connecting {ex}");
_response.StatusCode = HttpStatusCode.Unauthorized;
return(_response);
}
}
/// <summary>
/// Validates the current request
/// </summary>
/// <param name="args">An <see cref="ValidateCredentialTokenFunctionArgs"/> instance specifying the location of the client configuration in Azure storage.</param>
/// <returns>OK with json '{"valid": true || false}'</returns>
public HttpResponseMessage Execute(ValidateCredentialTokenFunctionArgs args)
{
var responseObject = new { valid = false };
//If the input is bad in any way there will be an error and the response shall be OK with json {"valid":false}
try
{
if (!_queryParams.ContainsKey("token") || !_queryParams.ContainsKey("cId"))
{
throw new Exception();
}
var clientConfig = GetConfiguration(_queryParams["cId"]);
//Will throw if the token can't be decrypted
var ctx = CredentialedSharePointConnectionInfo.GetSharePointClientContext(_queryParams["token"],
clientConfig.CredentialedClientConfig.Password, clientConfig.CredentialedClientConfig.Salt);
ctx.Load(ctx.Web);
//Will throw if the credentials are no good
ctx.ExecuteQuery();
responseObject = new { valid = true };
}
catch
{
//ignored - if there is an exception the request is simply not valid
}
_response.StatusCode = HttpStatusCode.OK;
_response.Content = new StringContent((new JavaScriptSerializer()).Serialize(responseObject));
_response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
return(_response);
}
