public static string GetSkyDriveFolderID(string parentfolderId, string folderName, OAuthToken token, out OAuthError error)
{
string result = "";
error = null;
string[] path = folderName.Split('/');
string url = string.Format("{0}/me/skydrive/files?filter=folders&access_token={1}", skydriveApiUrl, token.AccessToken);
if (!string.IsNullOrEmpty(parentfolderId))
{//this is a child folder
url = string.Format("{0}/{1}/files?filter=folders&access_token={2}", skydriveApiUrl, parentfolderId, token.AccessToken);
}
try
{
var request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "GET";
//var result = (HttpWebResponse)request.GetResponse();
WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string json = reader.ReadToEnd();
var folders = JsonConvert.DeserializeObject<dynamic>(json);
foreach (var folder in folders.data)
{
if (String.Compare(path[0], folder.name.ToString(), true) == 0)
{
result = folder.id;
if (path.Length - 1 > 0)
{
var newpath = path.Skip(1).Take(path.Length - 1);
string newpathASString = string.Join("/", newpath);
result = GetSkyDriveFolderID(result, newpathASString, token, out error);
}
}
}
}
catch (WebException e)
{//maybe a expired token ... refresh the token and retry
if (e.Message.Contains("(401) Unauthorized"))
{
throw new UnauthorizedAccessException("(401) Unauthorized", e);
}
}
return result;
}
public static void RequestAccessTokenByRefreshToken(string refreshToken, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&refresh_token={3}&grant_type=refresh_token",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(refreshToken));
RequestAccessToken(content, out token, out error);
}
private static void RequestAccessToken(string postContent, out OAuthToken token, out OAuthError error)
{
token = null;
error = null;
HttpWebRequest request = WebRequest.Create(oauthUrl) as HttpWebRequest;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
try
{
using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
{
writer.Write(postContent);
}
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthToken));
token = serializer.ReadObject(response.GetResponseStream()) as OAuthToken;
if (token != null)
{
return;
}
}
}
catch (WebException e)
{
HttpWebResponse response = e.Response as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthError));
error = serializer.ReadObject(response.GetResponseStream()) as OAuthError;
}
}
catch (IOException)
{
}
if (error == null)
{
error = new OAuthError("request_failed", "Failed to retrieve user access token.");
}
}
public static string UploadFile(string filename, byte[] fileBytes, string path, OAuthToken token, out OAuthError error)
{
error = null;
string result = string.Empty;
string destinationFolderId = CreateFolderIfNotExists("", path, token, out error);
var url = string.Format("{0}/{1}/files/{2}?access_token={3}",
skydriveApiUrl,
destinationFolderId,
filename,
token.AccessToken);
try
{
var request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "PUT";
request.ContentLength = fileBytes.Length;
using (var dataStream = request.GetRequestStream())
{
dataStream.Write(fileBytes, 0, fileBytes.Length);
}
WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string json = reader.ReadToEnd();
var created = JsonConvert.DeserializeObject<dynamic>(json);
result = created.source;
}
catch (Exception e)
{
//todo : do something with exception
}
return result;
}
internal static string CreateFolderIfNotExists(string parentfolderId, string folderName, OAuthToken token, out OAuthError error)
{
error = null;
string[] path = folderName.Split('/');
foreach (var folder in path)
{
string folderId = "";
if (!String.IsNullOrEmpty(folder))
{
folderId = GetSkyDriveFolderID(parentfolderId, folder, token, out error);
if (!String.IsNullOrEmpty(folderId))
{//folder exists, lets go to the next level
parentfolderId = folderId;
}
else
{
//folder does not exists
try
{
string url = string.Format("{0}/{1}",
skydriveApiUrl,
parentfolderId);
if (String.IsNullOrEmpty(parentfolderId))
{
url = string.Format("{0}/me/skydrive", skydriveApiUrl);
}
var request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "POST";
string postData = string.Format("{{name: \"{0}\"}}", folder);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
request.Headers.Add("Authorization", "Bearer " + token.AccessToken);
request.ContentType = "application/json";
request.ContentLength = byteArray.Length;
using (var dataStream = request.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
}
WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string json = reader.ReadToEnd();
var created = JsonConvert.DeserializeObject<dynamic>(json);
parentfolderId = created.id;
}
catch (Exception e)
{
//todo : do something with exception
}
}
}
}
return parentfolderId;
}
public static string GetSkyDriveFolderID(string parentfolderId, string folderName, OAuthToken token, out OAuthError error)
{
string result = "";
error = null;
string[] path = folderName.Split('/');
string url = string.Format("{0}/me/skydrive/files?filter=folders&access_token={1}", skydriveApiUrl, token.AccessToken);
if (!string.IsNullOrEmpty(parentfolderId))
{//this is a child folder
url = string.Format("{0}/{1}/files?filter=folders&access_token={2}", skydriveApiUrl, parentfolderId, token.AccessToken);
}
try
{
var request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "GET";
//var result = (HttpWebResponse)request.GetResponse();
WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string json = reader.ReadToEnd();
var folders = JsonConvert.DeserializeObject <dynamic>(json);
foreach (var folder in folders.data)
{
if (String.Compare(path[0], folder.name.ToString(), true) == 0)
{
result = folder.id;
if (path.Length - 1 > 0)
{
var newpath = path.Skip(1).Take(path.Length - 1);
string newpathASString = string.Join("/", newpath);
result = GetSkyDriveFolderID(result, newpathASString, token, out error);
}
}
}
}
catch (WebException e)
{//maybe a expired token ... refresh the token and retry
if (e.Message.Contains("(401) Unauthorized"))
{
throw new UnauthorizedAccessException("(401) Unauthorized", e);
}
}
return(result);
}
public static void RequestAccessTokenByVerifier(string verifier, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&code={3}&grant_type=authorization_code",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(verifier));
RequestAccessToken(content, out token, out error);
}
private static void RequestAccessToken(string postContent, out OAuthToken token, out OAuthError error)
{
token = null;
error = null;
HttpWebRequest request = WebRequest.Create(oauthUrl) as HttpWebRequest;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
try
{
using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
{
writer.Write(postContent);
}
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthToken));
token = serializer.ReadObject(response.GetResponseStream()) as OAuthToken;
if (token != null)
{
return;
}
}
}
catch (WebException e)
{
HttpWebResponse response = e.Response as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthError));
error = serializer.ReadObject(response.GetResponseStream()) as OAuthError;
}
}
catch (IOException)
{
}
if (error == null)
{
error = new OAuthError("request_failed", "Failed to retrieve user access token.");
}
}
public static void RequestAccessTokenByRefreshToken(string refreshToken, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&refresh_token={3}&grant_type=refresh_token",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(refreshToken));
RequestAccessToken(content, out token, out error);
}
public static void RequestAccessTokenByVerifier(string verifier, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&code={3}&grant_type=authorization_code",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(verifier));
RequestAccessToken(content, out token, out error);
}
public static string UploadFile(string filename, byte[] fileBytes, string path, OAuthToken token, out OAuthError error)
{
error = null;
string result = string.Empty;
string destinationFolderId = CreateFolderIfNotExists("", path, token, out error);
var url = string.Format("{0}/{1}/files/{2}?access_token={3}",
skydriveApiUrl,
destinationFolderId,
filename,
token.AccessToken);
try
{
var request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "PUT";
request.ContentLength = fileBytes.Length;
using (var dataStream = request.GetRequestStream())
{
dataStream.Write(fileBytes, 0, fileBytes.Length);
}
WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string json = reader.ReadToEnd();
var created = JsonConvert.DeserializeObject <dynamic>(json);
result = created.source;
}
catch (Exception e)
{
//todo : do something with exception
}
return(result);
}
internal static string CreateFolderIfNotExists(string parentfolderId, string folderName, OAuthToken token, out OAuthError error)
{
error = null;
string[] path = folderName.Split('/');
foreach (var folder in path)
{
string folderId = "";
if (!String.IsNullOrEmpty(folder))
{
folderId = GetSkyDriveFolderID(parentfolderId, folder, token, out error);
if (!String.IsNullOrEmpty(folderId))
{//folder exists, lets go to the next level
parentfolderId = folderId;
}
else
{
//folder does not exists
try
{
string url = string.Format("{0}/{1}",
skydriveApiUrl,
parentfolderId);
if (String.IsNullOrEmpty(parentfolderId))
{
url = string.Format("{0}/me/skydrive", skydriveApiUrl);
}
var request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "POST";
string postData = string.Format("{{name: \"{0}\"}}", folder);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
request.Headers.Add("Authorization", "Bearer " + token.AccessToken);
request.ContentType = "application/json";
request.ContentLength = byteArray.Length;
using (var dataStream = request.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
}
WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string json = reader.ReadToEnd();
var created = JsonConvert.DeserializeObject <dynamic>(json);
parentfolderId = created.id;
}
catch (Exception e)
{
//todo : do something with exception
}
}
}
}
return(parentfolderId);
}
