internal virtual void ModifyQueryString(QueryStringBuilder qsb)
{
foreach (var query in QueryStringParameters)
{
qsb.Add(query.Key, query.Value);
}
}
/// <summary>
/// Returns change information for items at and below the specified item-id.
/// </summary>
/// <param name="rootItemReference"></param>
/// <param name="options"></param>
/// <returns></returns>
public async Task <ODViewChangesResult> ViewChangesAsync(ODItemReference rootItemReference, ViewChangesOptions options)
{
if (!rootItemReference.IsValid())
{
throw new ArgumentException("rootItemReference was invalid. Requires either an ID or Path");
}
if (null == options)
{
throw new ArgumentNullException("options");
}
var queryParams = new QueryStringBuilder();
options.ModifyQueryString(queryParams);
Uri serviceUri = UriForItemReference(rootItemReference, ApiConstants.ViewChangesServiceAction, queryParams);
var request = await CreateHttpRequestAsync(serviceUri, ApiConstants.HttpGet);
return(await DataModelForRequest <ODViewChangesResult>(request));
}
/// <summary>
/// Return the URL for the service based on an item reference, navigation path (optional) and query string (optional)
/// </summary>
/// <param name="itemReference"></param>
/// <param name="navigationPath"></param>
/// <param name="queryString"></param>
/// <returns></returns>
private Uri UriForItemReference(ODItemReference itemReference, string navigationPath = null, QueryStringBuilder queryString = null)
{
// RootUrl = "https://api.onedrive.com/v1.0"
StringBuilder url = new StringBuilder(RootUrl);
if (!string.IsNullOrEmpty(itemReference.Id))
{
if (!string.IsNullOrEmpty(itemReference.DriveId))
{
url.AppendFormat("/drives/{0}", itemReference.DriveId);
}
else
{
url.AppendFormat("/drive");
}
url.AppendFormat("/items/{0}", itemReference.Id);
}
else if (!string.IsNullOrEmpty(itemReference.Path))
{
if (!itemReference.Path.StartsWith("/drive", StringComparison.Ordinal))
{
throw new ArgumentException("Invalid ODItemReference: Path doesn't start with \"/drive\" or \"/drives\".");
}
url.Append(itemReference.Path);
if (itemReference.Path.OccurrencesOfCharacter(':') == 1)
{
// Make sure we terminate the path escape so we can add a navigation property if necessary
url.Append(":");
}
}
else
{
// Just address the drive if both path & id are null.
if (!string.IsNullOrEmpty(itemReference.DriveId))
{
url.AppendFormat("/drives/{0}", itemReference.DriveId);
}
else
{
url.AppendFormat("/drive");
}
}
if (!string.IsNullOrEmpty(navigationPath))
{
if (url[url.Length - 1] != '/')
{
url.AppendFormat("/");
}
url.Append(navigationPath);
}
UriBuilder builder = new UriBuilder(url.ToString());
if (null != queryString && queryString.HasKeys)
{
builder.Query = queryString.ToString();
}
#if DEBUG
System.Diagnostics.Debug.WriteLine("URL: " + builder.Uri);
#endif
return(builder.Uri);
}
private static Uri GetAuthenticationUri(string clientId)
{
var queryStringBuilder = new QueryStringBuilder();
queryStringBuilder.Add("client_id", clientId);
queryStringBuilder.Add("scope", string.Join(" ", (new [] { Scope.Basic, Scope.OfflineAccess, Scope.Signin, Scope.OneDriveReadWrite }).Select(s => s.GetDescription())));
queryStringBuilder.Add("redirect_uri", LIVE_LOGIN_DESKTOP_URI);
queryStringBuilder.Add("response_type", "code");
queryStringBuilder.Add("display", "popup");
return new UriBuilder(LIVE_LOGIN_AUTHORIZE_URI) { Query = queryStringBuilder.ToString() }.Uri;
}
private static async Task<string> PostQuery(string uriString, QueryStringBuilder queryStringBuilder)
{
HttpWebRequest httpWebRequest = WebRequest.CreateHttp(uriString);
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "application/x-www-form-urlencoded";
var stream = await httpWebRequest.GetRequestStreamAsync();
using (var writer = new StreamWriter(stream)) {
await writer.WriteAsync(queryStringBuilder.ToString());
await writer.FlushAsync();
}
var response = await httpWebRequest.GetResponseAsync() as HttpWebResponse;
if (response != null && response.StatusCode == HttpStatusCode.OK) {
using (var reader = new StreamReader(response.GetResponseStream())) {
return await reader.ReadToEndAsync();
}
}
return null;
}
private static async Task<AppTokenResponse> RedeemRefreshTokenAsync(string clientId, string clientSecret, string refreshToken)
{
var queryStringBuilder = new QueryStringBuilder();
queryStringBuilder.Add("client_id", clientId);
queryStringBuilder.Add("redirect_uri", LIVE_LOGIN_DESKTOP_URI);
queryStringBuilder.Add("client_secret", clientSecret);
queryStringBuilder.Add("refresh_token", refreshToken);
queryStringBuilder.Add("grant_type", "refresh_token");
string response = await PostQuery(LIVE_LOGIN_TOKEN_URI, queryStringBuilder);
return JsonConvert.DeserializeObject<AppTokenResponse>(response);
}
/// <summary>
/// Returns change information for items at and below the specified item-id.
/// </summary>
/// <param name="rootItemReference"></param>
/// <param name="options"></param>
/// <returns></returns>
public async Task<ODViewChangesResult> ViewChangesAsync(ODItemReference rootItemReference, ViewChangesOptions options)
{
if (!rootItemReference.IsValid())
throw new ArgumentException("rootItemReference was invalid. Requires either an ID or Path");
if (null == options)
throw new ArgumentNullException("options");
var queryParams = new QueryStringBuilder();
options.ModifyQueryString(queryParams);
Uri serviceUri = UriForItemReference(rootItemReference, ApiConstants.ViewChangesServiceAction, queryParams);
var request = await CreateHttpRequestAsync(serviceUri, ApiConstants.HttpGet);
return await DataModelForRequest<ODViewChangesResult>(request);
}
