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226 lines
No EOL
7 KiB
C#
226 lines
No EOL
7 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (C) 2008-2014 ShareX Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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// Credits: https://github.com/SirCmpwn
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System;
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using System.IO;
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using System.Net;
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using System.Security.Cryptography;
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using System.Threading;
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namespace UploadersLib.ImageUploaders
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{
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public class MediaCrushUploader : ImageUploader
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{
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public override UploadResult Upload(Stream stream, string fileName)
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{
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string hash = CreateHash(stream);
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UploadResult result = CheckExists(hash);
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if (result != null)
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{
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return result;
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}
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try
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{
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result = UploadData(stream, "https://mediacru.sh/api/upload/file", fileName, suppressWebExceptions: false);
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}
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catch (WebException e)
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{
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HttpWebResponse response = e.Response as HttpWebResponse;
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if (response == null)
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{
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throw;
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}
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if (response.StatusCode == HttpStatusCode.Conflict)
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{
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return HandleDuplicate(response);
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}
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throw;
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}
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hash = JToken.Parse(result.Response)["hash"].Value<string>();
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while (true)
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{
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result.Response = SendGetRequest("https://mediacru.sh/api/" + hash + "/status");
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JToken jsonResponse = JToken.Parse(result.Response);
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string status = jsonResponse["status"].Value<string>();
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switch (status)
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{
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case "processing":
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case "pending":
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Thread.Sleep(1000);
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break;
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case "done":
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case "ready":
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MediaCrushBlob blob = jsonResponse[hash].ToObject<MediaCrushBlob>();
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result.URL = blob.DirectURL;
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result.DeletionURL = blob.DeletionURL;
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return result;
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case "unrecognized":
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// Note: MediaCrush accepts just about _every_ kind of media file,
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// so the file itself is probably corrupted or just not actually a media file
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throw new Exception("This file is not an acceptable file type.");
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case "timeout":
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throw new Exception("This file took too long to process.");
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default:
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throw new Exception("This file failed to process.");
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}
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}
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}
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private string CreateHash(Stream stream)
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{
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using (MD5 md5 = MD5.Create())
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{
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byte[] buffer = new byte[stream.Length];
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stream.Read(buffer, 0, buffer.Length);
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stream.Seek(0, SeekOrigin.Begin);
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string hash = Convert.ToBase64String(md5.ComputeHash(buffer));
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return hash.Replace('+', '-').Replace('/', '_').Remove(12);
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}
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}
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private UploadResult HandleDuplicate(HttpWebResponse httpResponse)
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{
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JToken response;
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using (StreamReader streamReader = new StreamReader(httpResponse.GetResponseStream()))
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response = JToken.Parse(streamReader.ReadToEnd());
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string hash = response["hash"].Value<string>();
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MediaCrushBlob blob = response[hash].ToObject<MediaCrushBlob>();
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return new UploadResult
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{
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URL = blob.DirectURL,
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DeletionURL = blob.DeletionURL
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};
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}
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private UploadResult CheckExists(string hash)
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{
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try
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{
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string response = SendGetRequest("https://mediacru.sh/api/" + hash);
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if (!string.IsNullOrEmpty(response))
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{
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MediaCrushBlob blob = JsonConvert.DeserializeObject<MediaCrushBlob>(response);
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return new UploadResult(response)
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{
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URL = blob.DirectURL,
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DeletionURL = blob.DeletionURL
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};
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}
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}
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catch
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{
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}
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return null;
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}
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}
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internal class MediaCrushBlob
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{
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public class MediaCrushFile
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{
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[JsonProperty("file")]
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public string Path { get; set; }
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[JsonProperty("type")]
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public string Mimetype { get; set; }
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}
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[JsonProperty("blob_type")]
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public string BlobType { get; set; }
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[JsonProperty("compression")]
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public double Compression { get; set; }
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[JsonProperty("files")]
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public MediaCrushFile[] Files { get; set; }
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[JsonProperty("extras")]
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public MediaCrushFile[] Extras { get; set; }
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[JsonProperty("original")]
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public string Original { get; set; }
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[JsonProperty("type")]
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public string UserMimetype { get; set; }
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[JsonProperty("hash")]
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public string Hash { get; set; }
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[JsonIgnore]
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public string URL
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{
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get
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{
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return "https://mediacru.sh/" + Hash;
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}
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}
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[JsonIgnore]
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public string DirectURL
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{
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get
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{
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if (Files != null && Files.Length > 0 && IsDirectURLPossible(Files[0]))
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{
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return "https://mediacru.sh" + Files[0].Path;
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}
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return URL;
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}
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}
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[JsonIgnore]
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public string DeletionURL
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{
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get
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{
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return "https://mediacru.sh/" + Hash + "/delete";
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}
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}
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private bool IsDirectURLPossible(MediaCrushFile file)
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{
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switch (file.Mimetype)
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{
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case "image/png":
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case "image/jpeg":
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case "image/bmp":
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return true;
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}
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return false;
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}
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}
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} |