public async Task <HttpResponseInfo> GetImageResponse(string url, CancellationToken cancellationToken)
{
logger?.Info($"{nameof(ImageProxyService)}-{nameof(GetImageResponse)}-{url}");
int type = 0;
var i = url.IndexOf(image_type_param_name, StringComparison.OrdinalIgnoreCase);
if (i > 0)
{
try
{
var p = url.Substring(i + image_type_param_name.Length).Trim('=').Trim();
url = url.Substring(0, i - 1);//减去一个连接符
int.TryParse(p, out type);
}
catch (Exception ex)
{
logger?.Error(ex.ToString());
}
}
var key = WebUtility.UrlEncode(url);
var cache_file = Path.Combine(appPaths.GetImageCachePath().ToString(), key);
byte[] bytes = null;
//尝试从缓存中读取
try
{
var fi = fileSystem.GetFileInfo(cache_file);
//图片文件存在，且是24小时之内的
if (fi.Exists && fileSystem.GetFileInfo(cache_file).LastWriteTimeUtc > DateTime.Now.AddDays(-1).ToUniversalTime())
{
bytes = await fileSystem.ReadAllBytesAsync(cache_file);
logger?.Info($"{nameof(ImageProxyService)}: Hit image cache {url} {cache_file}");
if (type == 1)
{
var ci = await CutImage(bytes);
if (ci != null)
{
return(ci);
}
}
fileExtensionContentTypeProvider.TryGetContentType(url, out var contentType);
return(new HttpResponseInfo()
{
Content = new MemoryStream(bytes),
ContentLength = bytes.Length,
ContentType = contentType ?? "image/jpeg",
StatusCode = HttpStatusCode.OK,
});
}
}
catch (Exception ex)
{
logger?.Warn($"{nameof(ImageProxyService)}: Read image cache error. {url} {cache_file} {ex.Message}");
}
try
{
var resp = await client.GetAsync(url, cancellationToken);
if (resp.IsSuccessStatusCode == false)
{
return(await Parse(resp));
}
try
{
fileSystem.WriteAllBytes(cache_file, await resp.Content.ReadAsByteArrayAsync());
logger?.Info($"{nameof(ImageProxyService)}: Save image cache {url} {cache_file} ");
}
catch (Exception ex)
{
logger?.Warn($"{nameof(ImageProxyService)}: Save image cache error. {url} {cache_file} {ex.Message}");
}
if (type == 1)
{
var ci = await CutImage(await resp.Content.ReadAsByteArrayAsync());
if (ci != null)
{
return(ci);
}
}
return(await Parse(resp));
}
catch (Exception ex)
{
logger?.Error(ex.ToString());
}
return(new HttpResponseInfo());
}
public async Task <HttpResponseInfo> GetImageResponse(string url, ImageType type, CancellationToken cancellationToken)
{
logger?.Info($"{nameof(GetImageResponse)}-{url}");
var key = WebUtility.UrlEncode(url);
var cache_file = Path.Combine(appPaths.GetImageCachePath().ToString(), key);
byte[] bytes = null;
//尝试从缓存中读取
try
{
var fi = fileSystem.GetFileInfo(cache_file);
//图片文件存在，且是24小时之内的
if (fi.Exists && fileSystem.GetFileInfo(cache_file).LastWriteTimeUtc > DateTime.Now.AddDays(-1).ToUniversalTime())
{
bytes = await fileSystem.ReadAllBytesAsync(cache_file);
logger?.Info($"Hit image cache {url} {cache_file}");
fileExtensionContentTypeProvider.TryGetContentType(url, out var contentType);
return(new HttpResponseInfo()
{
Content = new MemoryStream(bytes),
ContentLength = bytes.Length,
ContentType = contentType ?? "image/jpeg",
StatusCode = HttpStatusCode.OK,
});
}
}
catch (Exception ex)
{
logger?.Warn($"Read image cache error. {url} {cache_file} {ex.Message}");
}
try
{
var resp = await client.GetAsync(url, cancellationToken);
if (resp.IsSuccessStatusCode == false)
{
return(await Parse(resp));
}
try
{
fileSystem.WriteAllBytes(cache_file, await resp.Content.ReadAsByteArrayAsync());
logger?.Info($"Save image cache {url} {cache_file} ");
}
catch (Exception ex)
{
logger?.Warn($"Save image cache error. {url} {cache_file} {ex.Message}");
}
return(await Parse(resp));
}
catch (Exception ex)
{
logger?.Error(ex.ToString());
}
return(new HttpResponseInfo());
}
/// <summary>
/// 获取图片
/// </summary>
/// <param name="url">地址</param>
/// <param name="type">类型</param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <HttpResponseInfo> GetImageResponse(string url, ImageType type, CancellationToken cancellationToken)
{
// /emby/Plugins/JavScraper/Image?url=&type=xx
if (url.IndexOf("Plugins/JavScraper/Image", StringComparison.OrdinalIgnoreCase) >= 0) //本地的链接
{
var uri = new Uri(url);
var q = HttpUtility.ParseQueryString(uri.Query);
var url2 = q["url"];
if (url2.IsWebUrl())
{
url = url2;
var tt = q.Get("type");
if (!string.IsNullOrWhiteSpace(tt) && Enum.TryParse <ImageType>(tt.Trim(), out var t2))
{
type = t2;
}
}
}
logger?.Info($"{nameof(GetImageResponse)}-{url}");
var key = WebUtility.UrlEncode(url);
var cache_file = Path.Combine(appPaths.GetImageCachePath().ToString(), key);
byte[] bytes = null;
//尝试从缓存中读取
try
{
var fi = fileSystem.GetFileInfo(cache_file);
//图片文件存在，且是24小时之内的
if (fi.Exists && fileSystem.GetFileInfo(cache_file).LastWriteTimeUtc > DateTime.Now.AddDays(-1).ToUniversalTime())
{
bytes = await fileSystem.ReadAllBytesAsync(cache_file);
logger?.Info($"Hit image cache {url} {cache_file}");
if (type == ImageType.Primary)
{
var ci = await CutImage(bytes, url);
if (ci != null)
{
return(ci);
}
}
fileExtensionContentTypeProvider.TryGetContentType(url, out var contentType);
return(new HttpResponseInfo()
{
Content = new MemoryStream(bytes),
ContentLength = bytes.Length,
ContentType = contentType ?? "image/jpeg",
StatusCode = HttpStatusCode.OK,
});
}
}
catch (Exception ex)
{
logger?.Warn($"Read image cache error. {url} {cache_file} {ex.Message}");
}
try
{
var resp = await client.GetAsync(url, cancellationToken);
if (resp.IsSuccessStatusCode == false)
{
return(await Parse(resp));
}
try
{
fileSystem.WriteAllBytes(cache_file, await resp.Content.ReadAsByteArrayAsync());
logger?.Info($"Save image cache {url} {cache_file} ");
}
catch (Exception ex)
{
logger?.Warn($"Save image cache error. {url} {cache_file} {ex.Message}");
}
if (type == ImageType.Primary)
{
var ci = await CutImage(await resp.Content.ReadAsByteArrayAsync(), url);
if (ci != null)
{
return(ci);
}
}
return(await Parse(resp));
}
catch (Exception ex)
{
logger?.Error(ex.ToString());
}
return(new HttpResponseInfo());
}