// Token: 0x0600194C RID: 6476 RVA: 0x000580F0 File Offset: 0x000562F0
public static DataProviderInformation ProcessResponseStream(Uri responseUri, Encoding responseHeaderEncoding, MemoryStream memoryStream, RequestDetailsLogger logger)
{
byte[] buffer = memoryStream.GetBuffer();
string @string = WebPageDataProvider.GetString(responseHeaderEncoding, buffer);
Encoding webPageEncoding = WebPageDataProvider.GetWebPageEncoding(@string, logger);
if (webPageEncoding != null && !responseHeaderEncoding.Equals(webPageEncoding))
{
@string = WebPageDataProvider.GetString(webPageEncoding, buffer);
logger.Set(GetLinkPreviewMetadata.WebPageEncodingUsed, 1);
}
return(new WebPageInformation
{
Text = @string,
ResponseUri = responseUri
});
}
public static LinkPreviewDataProvider GetDataProvider(GetLinkPreviewRequest request, RequestDetailsLogger logger, bool activeViewsConvergenceEnabled)
{
Uri uri = LinkPreviewDataProvider.CreateUri(request.Url);
LinkPreviewDataProvider result;
Uri uri2;
if (activeViewsConvergenceEnabled && OEmbedVideoPreviewBuilder.IsOEmbedVideoUri(uri, logger))
{
result = new OEmbedDataProvider(uri, request, logger);
}
else if (WikipediaLinkPreviewBuilder.TryGetWikipediaServiceUri(uri, out uri2))
{
result = new WikipediaDataProvider(uri2, request, logger);
}
else
{
result = new WebPageDataProvider(uri, request, logger);
}
return(result);
}
// Token: 0x0600194F RID: 6479 RVA: 0x00058208 File Offset: 0x00056408
private static Encoding GetWebPageEncoding(string webPageString, RequestDetailsLogger logger)
{
Encoding result = null;
string text = null;
int num = 0;
Stopwatch stopwatch = Stopwatch.StartNew();
text = WebPageDataProvider.GetWebPageEncoding(webPageString, WebPageDataProvider.GetXmlEncodingRegEx, "xml encoding");
num++;
if (text == null)
{
text = WebPageDataProvider.GetWebPageEncoding(webPageString, WebPageDataProvider.GetMetaEncodingRegEx, "meta encoding");
num++;
}
if (text == null)
{
text = WebPageDataProvider.GetWebPageEncoding(webPageString, WebPageDataProvider.GetMeta5EncodingRegEx, "meta encoding");
num++;
}
if (text != null)
{
try
{
result = Encoding.GetEncoding(text);
}
catch (ArgumentException)
{
GetLinkPreview.ThrowInvalidRequestException("GetEncodingFailed", string.Format("Get encoding failed for {0}", text));
}
}
stopwatch.Stop();
long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
logger.Set(GetLinkPreviewMetadata.EncodingRegExCount, num);
logger.Set(GetLinkPreviewMetadata.ElapsedTimeToGetWebPageEncoding, elapsedMilliseconds);
return(result);
}