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Image download handler

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This commit is contained in:
Natsumi
2022-12-13 21:48:34 +13:00
parent 2fd992edf7
commit c630c97c06
6 changed files with 126 additions and 34 deletions
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40
WebApi.cs
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@@ -124,6 +124,7 @@ namespace VRCX
}
#pragma warning disable CS4014
public async void Execute(IDictionary<string, object> options, IJavascriptCallback callback)
{
try
@@ -180,7 +181,7 @@ namespace VRCX
request.ContentLength = sentData.Length;
using (System.IO.Stream sendStream = request.GetRequestStream())
{
sendStream.Write(sentData, 0, sentData.Length);
await sendStream.WriteAsync(sentData, 0, sentData.Length);
sendStream.Close();
}
}
@@ -200,7 +201,7 @@ namespace VRCX
{
string item = String.Format(FormDataTemplate, boundary, key, postData[key]);
byte[] itemBytes = System.Text.Encoding.UTF8.GetBytes(item);
requestStream.Write(itemBytes, 0, itemBytes.Length);
await requestStream.WriteAsync(itemBytes, 0, itemBytes.Length);
}
}
var imageData = options["imageData"] as string;
@@ -211,21 +212,21 @@ namespace VRCX
string HeaderTemplate = "--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n";
string header = String.Format(HeaderTemplate, boundary, fileFormKey, fileName, fileMimeType);
byte[] headerbytes = Encoding.UTF8.GetBytes(header);
requestStream.Write(headerbytes, 0, headerbytes.Length);
await requestStream.WriteAsync(headerbytes, 0, headerbytes.Length);
using (MemoryStream fileStream = new MemoryStream(fileToUpload))
{
byte[] buffer = new byte[1024];
int bytesRead = 0;
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, bytesRead);
await requestStream.WriteAsync(buffer, 0, bytesRead);
}
fileStream.Close();
}
byte[] newlineBytes = Encoding.UTF8.GetBytes("\r\n");
requestStream.Write(newlineBytes, 0, newlineBytes.Length);
await requestStream.WriteAsync(newlineBytes, 0, newlineBytes.Length);
byte[] endBytes = System.Text.Encoding.UTF8.GetBytes("--" + boundary + "--");
requestStream.Write(endBytes, 0, endBytes.Length);
await requestStream.WriteAsync(endBytes, 0, endBytes.Length);
requestStream.Close();
}
@@ -242,11 +243,27 @@ namespace VRCX
{
if (callback.CanExecute == true)
{
callback.ExecuteAsync(null, new
if (response.ContentType.Contains("image/") || response.ContentType.Contains("application/octet-stream"))
{
data = await streamReader.ReadToEndAsync(),
status = response.StatusCode
});
// base64 response data for image
using (var memoryStream = new MemoryStream())
{
await stream.CopyToAsync(memoryStream);
callback.ExecuteAsync(null, new
{
data = $"data:image/png;base64,{Convert.ToBase64String(memoryStream.ToArray())}",
status = response.StatusCode
});
}
}
else
{
callback.ExecuteAsync(null, new
{
data = await streamReader.ReadToEndAsync(),
status = response.StatusCode
});
}
}
}
}
@@ -289,6 +306,7 @@ namespace VRCX
callback.Dispose();
}
#pragma warning restore CS4014
}
}
}