mirror of
https://github.com/greenshot/greenshot
synced 2025-08-14 10:47:02 -07:00
Added Multipart/form-data support, this should improve memory usage and upload performance. Is also needed for Flickr.
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2124 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom
parent
f464b3a3ca
commit
c983567827
4 changed files with 197 additions and 77 deletions
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@ -100,35 +100,30 @@ namespace GreenshotImgurPlugin {
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/// <param name="imageData">byte[] with image data</param>
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/// <returns>ImgurResponse</returns>
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public static ImgurInfo UploadToImgur(byte[] imageData, int dataLength, string title, string filename) {
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IDictionary<string, string> uploadParameters = new Dictionary<string, string>();
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// Add image
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uploadParameters.Add("image", System.Convert.ToBase64String(imageData, 0, dataLength));
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// add type
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uploadParameters.Add("type", "base64");
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// add title
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if (title != null) {
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uploadParameters.Add("title", title);
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}
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// add filename
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if (filename != null) {
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uploadParameters.Add("name", filename);
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}
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IDictionary<string, object> uploadParameters = new Dictionary<string, object>();
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string responseString = null;
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if (config.AnonymousAccess) {
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// add title
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if (title != null) {
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uploadParameters.Add("title", title);
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}
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// add filename
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if (filename != null) {
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uploadParameters.Add("name", filename);
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}
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// add key
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uploadParameters.Add("key", IMGUR_ANONYMOUS_API_KEY);
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HttpWebRequest webRequest = (HttpWebRequest)NetworkHelper.CreateWebRequest(config.ImgurApiUrl + "/upload");
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HttpWebRequest webRequest = (HttpWebRequest)NetworkHelper.CreateWebRequest(config.ImgurApiUrl + "/upload.xml?" + NetworkHelper.GenerateQueryParameters(uploadParameters));
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webRequest.Method = "POST";
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webRequest.ContentType = "application/x-www-form-urlencoded";
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webRequest.ContentType = "image/png";
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webRequest.ServicePoint.Expect100Continue = false;
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using(StreamWriter streamWriter = new StreamWriter(webRequest.GetRequestStream())) {
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string urloadText = NetworkHelper.GenerateQueryParameters(uploadParameters);
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streamWriter.Write(urloadText);
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using (var requestStream = webRequest.GetRequestStream()) {
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requestStream.Write(imageData, 0, dataLength);
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}
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using (WebResponse response = webRequest.GetResponse()) {
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LogCredits(response);
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Stream responseStream = response.GetResponseStream();
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@ -144,12 +139,34 @@ namespace GreenshotImgurPlugin {
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oAuth.AuthorizeUrl = "http://api.imgur.com/oauth/authorize";
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oAuth.RequestTokenUrl = "http://api.imgur.com/oauth/request_token";
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oAuth.LoginTitle = "Imgur authorization";
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//oAuth.UseHTTPHeadersForAuthorization = false;
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oAuth.Token = config.ImgurToken;
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oAuth.TokenSecret = config.ImgurTokenSecret;
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if (string.IsNullOrEmpty(oAuth.Token)) {
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if (!oAuth.Authorize()) {
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return null;
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}
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if (!string.IsNullOrEmpty(oAuth.Token)) {
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config.ImgurToken = oAuth.Token;
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}
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if (!string.IsNullOrEmpty(oAuth.TokenSecret)) {
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config.ImgurTokenSecret = oAuth.TokenSecret;
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}
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IniConfig.Save();
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}
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try {
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LOG.DebugFormat("Test: {0}", oAuth.MakeOAuthRequest(HTTPMethod.GET, "http://api.imgur.com/2/account", null));
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responseString = oAuth.MakeOAuthRequest(HTTPMethod.POST, "http://api.imgur.com/2/account/images.xml", uploadParameters);
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string apiUrl = "http://api.imgur.com/2/account/images.xml";
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// sign without parameters
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oAuth.Sign(HTTPMethod.POST, apiUrl, uploadParameters);
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// add title
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if (title != null) {
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uploadParameters.Add("title", title);
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}
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// add filename
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if (filename != null) {
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uploadParameters.Add("name", filename);
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}
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uploadParameters.Add("image", new FileParameter(imageData, filename, "image/png", dataLength));
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responseString = oAuth.MakeRequest(HTTPMethod.POST, apiUrl, uploadParameters, null, null);
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} catch (Exception ex) {
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LOG.Error("Upload to imgur gave an exeption: ", ex);
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throw ex;
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@ -163,9 +180,7 @@ namespace GreenshotImgurPlugin {
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IniConfig.Save();
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}
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}
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LOG.Info(responseString);
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ImgurInfo imgurInfo = ImgurInfo.ParseResponse(responseString);
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return imgurInfo;
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return ImgurInfo.ParseResponse(responseString);
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}
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public static void RetrieveImgurThumbnail(ImgurInfo imgurInfo) {
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@ -95,7 +95,7 @@ namespace GreenshotPhotobucketPlugin {
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oAuth.Sign(HTTPMethod.POST, apiUrl, parameters);
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apiUrl = apiUrl.Replace("api.photobucket.com", config.SubDomain);
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// Add image
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parameters.Add("uploadfile", System.Convert.ToBase64String(imageData, 0, dataLength));
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parameters.Add("uploadfile", new FileParameter(imageData, filename, "image/png", dataLength));
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responseString = oAuth.MakeRequest(HTTPMethod.POST, apiUrl, parameters, null, null);
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} catch (Exception ex) {
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LOG.Error("Error uploading to Photobucket.", ex);
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@ -222,24 +222,24 @@ namespace GreenshotPlugin.Core {
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}
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/// <summary>
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/// Generate the query paramters
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/// </summary>
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/// <param name="queryParameters">the list of query parameters</param>
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/// <returns>a string with the query parameters</returns>
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public static string GenerateQueryParameters(IDictionary<string, string> queryParameters) {
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if (queryParameters == null || queryParameters.Count == 0) {
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return string.Empty;
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}
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queryParameters = new SortedDictionary<string, string>(queryParameters);
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/// Generate the query paramters
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/// </summary>
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/// <param name="queryParameters">the list of query parameters</param>
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/// <returns>a string with the query parameters</returns>
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public static string GenerateQueryParameters(IDictionary<string, object> queryParameters) {
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if (queryParameters == null || queryParameters.Count == 0) {
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return string.Empty;
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}
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queryParameters = new SortedDictionary<string, object>(queryParameters);
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StringBuilder sb = new StringBuilder();
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foreach(string key in queryParameters.Keys) {
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sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", key, UrlEncode(queryParameters[key]));
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sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", key, UrlEncode(string.Format("{0}",queryParameters[key])));
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}
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sb.Remove(sb.Length-1,1);
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return sb.ToString();
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}
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}
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}
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}
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@ -41,6 +41,22 @@ namespace GreenshotPlugin.Core {
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public enum HTTPMethod { GET, POST, PUT, DELETE };
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public class FileParameter {
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public byte[] File { get; set; }
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public string FileName { get; set; }
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public string ContentType { get; set; }
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public int FileSize {get; set; }
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public FileParameter(byte[] file) : this(file, null) { }
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public FileParameter(byte[] file, string filename) : this(file, filename, null) { }
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public FileParameter(byte[] file, string filename, string contenttype) : this(file, filename, contenttype, 0) { }
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public FileParameter(byte[] file, string filename, string contenttype, int filesize) {
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File = file;
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FileName = filename;
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ContentType = contenttype;
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FileSize = filesize;
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}
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}
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public class OAuthSession {
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private static readonly log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(OAuthSession));
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protected const string OAUTH_VERSION = "1.0";
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@ -100,11 +116,31 @@ namespace GreenshotPlugin.Core {
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private string loginTitle = "Authorize Greenshot access";
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#region PublicPropertiies
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public string UserAgent { get { return _userAgent; } set { _userAgent = value; } }
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public string RequestTokenUrl { get; set; }
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public string AuthorizeUrl { get; set; }
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public string AccessTokenUrl { get; set; }
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public string CallbackUrl { get { return _callbackUrl;} set { _callbackUrl = value; } }
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public string Token { get; set; }
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public string TokenSecret { get; set; }
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public string Verifier { get; set; }
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public bool UseMultipartFormData { get; set; }
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public string UserAgent {
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get {
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return _userAgent;
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}
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set {
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_userAgent = value;
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}
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}
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public string CallbackUrl {
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get {
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return _callbackUrl;
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}
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set {
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_callbackUrl = value;
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}
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}
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public bool CheckVerifier {
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get {
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return checkVerifier;
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@ -123,12 +159,6 @@ namespace GreenshotPlugin.Core {
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}
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}
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public string Token {
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get;
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set;
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}
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public string TokenSecret { get; set; }
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public string LoginTitle {
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get {
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return loginTitle;
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@ -137,10 +167,6 @@ namespace GreenshotPlugin.Core {
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loginTitle = value;
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}
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}
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public string Verifier {
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get;
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set;
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}
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public bool UseHTTPHeadersForAuthorization {
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get {
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return useHTTPHeadersForAuthorization;
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@ -155,6 +181,7 @@ namespace GreenshotPlugin.Core {
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public OAuthSession(string consumerKey, string consumerSecret) {
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this.consumerKey = consumerKey;
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this.consumerSecret = consumerSecret;
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this.UseMultipartFormData = true;
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}
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/// <summary>
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@ -183,16 +210,18 @@ namespace GreenshotPlugin.Core {
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/// </summary>
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/// <param name="queryParameters">the list of query parameters</param>
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/// <returns>a string with the normalized query parameters</returns>
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private static string GenerateNormalizedParametersString(IDictionary<string, string> queryParameters) {
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private static string GenerateNormalizedParametersString(IDictionary<string, object> queryParameters) {
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if (queryParameters == null || queryParameters.Count == 0) {
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return string.Empty;
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}
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queryParameters = new SortedDictionary<string, string>(queryParameters);
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queryParameters = new SortedDictionary<string, object>(queryParameters);
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StringBuilder sb = new StringBuilder();
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foreach (string key in queryParameters.Keys) {
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sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", key, UrlEncode3986(queryParameters[key]));
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if (queryParameters[key] is string) {
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sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", key, UrlEncode3986(string.Format("{0}",queryParameters[key])));
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}
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}
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sb.Remove(sb.Length - 1, 1);
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@ -245,7 +274,7 @@ namespace GreenshotPlugin.Core {
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/// <returns>The request token.</returns>
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private String getRequestToken() {
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string ret = null;
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IDictionary<string, string> parameters = new Dictionary<string, string>();
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IDictionary<string, object> parameters = new Dictionary<string, object>();
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Sign(HTTPMethod.POST, RequestTokenUrl, parameters);
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string response = MakeRequest(HTTPMethod.POST, RequestTokenUrl, parameters, null, null);
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LOG.DebugFormat("Request token response: {0}", response);
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@ -295,7 +324,7 @@ namespace GreenshotPlugin.Core {
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throw e;
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}
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IDictionary<string, string> parameters = new Dictionary<string, string>();
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IDictionary<string, object> parameters = new Dictionary<string, object>();
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Sign(HTTPMethod.POST, AccessTokenUrl, parameters);
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string response = MakeRequest(HTTPMethod.POST, AccessTokenUrl, parameters, null, null);
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LOG.DebugFormat("Access token response: {0}", response);
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@ -351,7 +380,7 @@ namespace GreenshotPlugin.Core {
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/// <param name="requestURL"></param>
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/// <param name="parameters"></param>
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/// <returns></returns>
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public string MakeOAuthRequest(HTTPMethod method, string requestURL, IDictionary<string, string> parameters) {
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public string MakeOAuthRequest(HTTPMethod method, string requestURL, IDictionary<string, object> parameters) {
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return MakeOAuthRequest(method, requestURL, parameters, null, null);
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}
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@ -364,9 +393,9 @@ namespace GreenshotPlugin.Core {
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/// <param name="contentType">contenttype for the postdata</param>
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/// <param name="postData">Data to post (MemoryStream)</param>
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/// <returns>The web server response.</returns>
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public string MakeOAuthRequest(HTTPMethod method, string requestURL, IDictionary<string, string> parameters, string contentType, MemoryStream postData) {
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public string MakeOAuthRequest(HTTPMethod method, string requestURL, IDictionary<string, object> parameters, string contentType, MemoryStream postData) {
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if (parameters == null) {
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parameters = new Dictionary<string, string>();
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parameters = new Dictionary<string, object>();
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}
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int retries = 2;
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Exception lastException = null;
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@ -389,7 +418,7 @@ namespace GreenshotPlugin.Core {
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TokenSecret = null;
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// Remove oauth keys, so they aren't added double
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IDictionary<string, string> newParameters = new Dictionary<string, string>();
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IDictionary<string, object> newParameters = new Dictionary<string, object>();
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foreach (string parameterKey in parameters.Keys) {
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if (!parameterKey.StartsWith(OAUTH_PARAMETER_PREFIX)) {
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newParameters.Add(parameterKey, parameters[parameterKey]);
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@ -415,7 +444,7 @@ namespace GreenshotPlugin.Core {
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/// <param name="method">Method (POST,PUT,GET)</param>
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/// <param name="requestURL">Url to call</param>
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/// <param name="parameters">IDictionary<string, string></param>
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public void Sign(HTTPMethod method, string requestURL, IDictionary<string, string> parameters) {
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public void Sign(HTTPMethod method, string requestURL, IDictionary<string, object> parameters) {
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if (parameters == null) {
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throw new ArgumentNullException("parameters");
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}
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@ -450,6 +479,7 @@ namespace GreenshotPlugin.Core {
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parameters.Add(OAUTH_TOKEN_KEY, Token);
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}
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signatureBase.Append(UrlEncode3986(GenerateNormalizedParametersString(parameters)));
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LOG.DebugFormat("Signature base: {0}", signatureBase);
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// Generate Signature and add it to the parameters
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HMACSHA1 hmacsha1 = new HMACSHA1();
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hmacsha1.Key = Encoding.UTF8.GetBytes(string.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}&{1}", UrlEncode3986(consumerSecret), string.IsNullOrEmpty(TokenSecret) ? string.Empty : UrlEncode3986(TokenSecret)));
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@ -467,19 +497,19 @@ namespace GreenshotPlugin.Core {
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/// <param name="contentType"></param>
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/// <param name="postData"></param>
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/// <returns>Response from server</returns>
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public string MakeRequest(HTTPMethod method, string requestURL, IDictionary<string, string> parameters, string contentType, MemoryStream postData) {
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public string MakeRequest(HTTPMethod method, string requestURL, IDictionary<string, object> parameters, string contentType, MemoryStream postData) {
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if (parameters == null) {
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throw new ArgumentNullException("parameters");
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}
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IDictionary<string, string> requestParameters = null;
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IDictionary<string, object> requestParameters = null;
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// Add oAuth values as HTTP headers, if this is allowed
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StringBuilder authHeader = null;
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if (HTTPMethod.POST == method && UseHTTPHeadersForAuthorization) {
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authHeader = new StringBuilder();
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requestParameters = new Dictionary<string, string>();
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requestParameters = new Dictionary<string, object>();
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foreach (string parameterKey in parameters.Keys) {
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if (parameterKey.StartsWith(OAUTH_PARAMETER_PREFIX)) {
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authHeader.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}=\"{1}\", ", parameterKey, UrlEncode3986(parameters[parameterKey]));
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authHeader.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}=\"{1}\", ", parameterKey, UrlEncode3986(string.Format("{0}",parameters[parameterKey])));
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} else if (!requestParameters.ContainsKey(parameterKey)) {
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requestParameters.Add(parameterKey, parameters[parameterKey]);
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}
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@ -509,18 +539,32 @@ namespace GreenshotPlugin.Core {
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}
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if (HTTPMethod.POST == method && postData == null && requestParameters != null && requestParameters.Count > 0) {
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StringBuilder form = new StringBuilder();
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foreach (string parameterKey in requestParameters.Keys) {
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form.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", UrlEncode3986(parameterKey), UrlEncode3986(parameters[parameterKey]));
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}
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// Remove trailing &
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if (form.Length > 0) {
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form.Remove(form.Length - 1, 1);
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}
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webRequest.ContentType = "application/x-www-form-urlencoded";
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byte[] data = Encoding.UTF8.GetBytes(form.ToString());
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using (var requestStream = webRequest.GetRequestStream()) {
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requestStream.Write(data, 0, data.Length);
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if (UseMultipartFormData) {
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byte [] data = GetMultipartFormData(requestParameters, out contentType);
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webRequest.ContentType = contentType;
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using (var requestStream = webRequest.GetRequestStream()) {
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requestStream.Write(data, 0, data.Length);
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}
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} else {
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StringBuilder form = new StringBuilder();
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foreach (string parameterKey in requestParameters.Keys) {
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if (parameters[parameterKey] is FileParameter) {
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FileParameter fileParameter = parameters[parameterKey] as FileParameter;
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form.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", UrlEncode3986(parameterKey), UrlEncode3986(System.Convert.ToBase64String(fileParameter.File, 0, fileParameter.FileSize != 0 ? fileParameter.FileSize : fileParameter.File.Length)));
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} else {
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form.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0}={1}&", UrlEncode3986(parameterKey), UrlEncode3986(string.Format("{0}",parameters[parameterKey])));
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}
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}
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// Remove trailing &
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if (form.Length > 0) {
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form.Remove(form.Length - 1, 1);
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}
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webRequest.ContentType = "application/x-www-form-urlencoded";
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byte[] data = Encoding.UTF8.GetBytes(form.ToString());
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using (var requestStream = webRequest.GetRequestStream()) {
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requestStream.Write(data, 0, data.Length);
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}
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}
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} else {
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webRequest.ContentType = contentType;
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@ -538,6 +582,67 @@ namespace GreenshotPlugin.Core {
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return responseData;
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}
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/// <summary>
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/// Create a Multipart Form Data as byte[]
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/// </summary>
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/// <param name="postParameters">Parameters to include in the multipart form data</param>
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/// <param name="contentType">out parameter for contenttype</param>
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/// <returns>byte[] with Multipart Form Data which can be used to upload</returns>
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private static byte[] GetMultipartFormData(IDictionary<string, object> postParameters, out string contentType) {
|
||||
string boundary = String.Format("----------{0:N}", Guid.NewGuid());
|
||||
contentType = "multipart/form-data; boundary=" + boundary;
|
||||
Stream formDataStream = new MemoryStream();
|
||||
bool needsCLRF = false;
|
||||
|
||||
foreach (var param in postParameters) {
|
||||
// Thanks to feedback from commenters, add a CRLF to allow multiple parameters to be added.
|
||||
// Skip it on the first parameter, add it to subsequent parameters.
|
||||
if (needsCLRF) {
|
||||
formDataStream.Write(Encoding.UTF8.GetBytes("\r\n"), 0, Encoding.UTF8.GetByteCount("\r\n"));
|
||||
}
|
||||
|
||||
needsCLRF = true;
|
||||
|
||||
if (param.Value is FileParameter) {
|
||||
FileParameter fileToUpload = (FileParameter)param.Value;
|
||||
|
||||
// Add just the first part of this param, since we will write the file data directly to the Stream
|
||||
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n",
|
||||
boundary,
|
||||
param.Key,
|
||||
fileToUpload.FileName ?? param.Key,
|
||||
fileToUpload.ContentType ?? "application/octet-stream");
|
||||
|
||||
formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header));
|
||||
|
||||
// Write the file data directly to the Stream, rather than serializing it to a string.
|
||||
if (fileToUpload.FileSize > 0) {
|
||||
formDataStream.Write(fileToUpload.File, 0, fileToUpload.FileSize);
|
||||
} else {
|
||||
formDataStream.Write(fileToUpload.File, 0, fileToUpload.File.Length);
|
||||
}
|
||||
} else {
|
||||
string postData = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}",
|
||||
boundary,
|
||||
param.Key,
|
||||
param.Value);
|
||||
formDataStream.Write(Encoding.UTF8.GetBytes(postData), 0, Encoding.UTF8.GetByteCount(postData));
|
||||
}
|
||||
}
|
||||
|
||||
// Add the end of the request. Start with a newline
|
||||
string footer = "\r\n--" + boundary + "--\r\n";
|
||||
formDataStream.Write(Encoding.UTF8.GetBytes(footer), 0, Encoding.UTF8.GetByteCount(footer));
|
||||
|
||||
// Dump the Stream into a byte[]
|
||||
formDataStream.Position = 0;
|
||||
byte[] formData = new byte[formDataStream.Length];
|
||||
formDataStream.Read(formData, 0, formData.Length);
|
||||
formDataStream.Close();
|
||||
|
||||
return formData;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Process the web response.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue