107 lines
No EOL
3.8 KiB
C#
107 lines
No EOL
3.8 KiB
C#
/*
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Copyright (c) 2018, John Lewin
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System;
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using System.Net.Http;
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using System.Threading.Tasks;
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using MatterHackers.Agg;
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using MatterHackers.Localizations;
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namespace MatterHackers.MatterControl.Library
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{
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public class RemoteLibraryItem : ILibraryAssetStream
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{
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private string url;
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private HttpClient httpClient;
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public RemoteLibraryItem(string url, string name)
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{
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httpClient = new HttpClient();
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// TODO: We need a way to ask library items to initialize before use, so that content type could be requested from the remote source before the stream is acquired. Currently properties are
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// tested before GetStream is invoked that determine which provider should be used, which is impossible to know before we have the actual content type
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//// Send HEAD request to help bypass the 401 auth challenge for the latter POST assuming
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//// that the authentication will be cached and re-used later when PreAuthenticate is true.
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//var request = new HttpRequestMessage(HttpMethod.Head, url);
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//httpClient.SendAsync(request).ContinueWith(t =>
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//{
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// var headers = t.Result.Content.Headers;
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// this.ContentType = headers.ContentType.MediaType.Replace("image/", "");
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// this.FileSize = headers.ContentLength ?? 0;
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//});
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this.url = url;
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this.Name = name ?? "Unknown".Localize();
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this.ID = agg_basics.GetLongHashCode(url).ToString();
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}
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public string ID { get; set; }
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public string Name { get; set; }
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public string FileName => $"{this.Name}.{this.ContentType}";
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public bool IsProtected => false;
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public bool IsVisible => true;
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public DateTime DateCreated { get; } = DateTime.Now;
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public DateTime DateModified { get; } = DateTime.Now;
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public string ContentType { get; private set; } = "jpg"; // TODO: Remove invalid static assignment used to depict what would be possible with more effort
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public string Category => "General";
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public string AssetPath { get; set; }
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public long FileSize { get; private set; } = 0;
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public bool LocalContentExists => false;
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public async Task<StreamAndLength> GetStream(Action<double, string> progress)
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{
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var response = await httpClient.GetAsync(this.url);
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var headers = response.Content.Headers;
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//this.ContentType = headers.ContentType.MediaType;
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return new StreamAndLength()
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{
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Stream = await response.Content.ReadAsStreamAsync(),
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Length = headers.ContentLength ?? 0
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};
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}
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}
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} |