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WebCmdlets parse XML declaration to get encoding value, if present. #18748

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merged 10 commits into from
Jan 21, 2023
Merged

WebCmdlets parse XML declaration to get encoding value, if present. #18748

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64b238c
get { return to ->
CarloToso Dec 8, 2022
13c0ad9
#endregion
CarloToso Dec 8, 2022
a81c1c8
add regex to detect encoding from xml declaration
CarloToso Dec 8, 2022
6db83db
remove useless do-while
CarloToso Dec 8, 2022
42f4f2b
fix typo
CarloToso Dec 8, 2022
282c328
add comment
CarloToso Dec 8, 2022
ce00870
remove useless ()
CarloToso Dec 8, 2022
93c9b12
reuse the same substring
CarloToso Dec 8, 2022
41d524f
Updated with suggestions
CarloToso Dec 9, 2022
3f84029
Merge branch 'master' into xmlregex-streamhelper
CarloToso Jan 21, 2023
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@CarloToso
CarloToso committed Dec 8, 2022
commit 282c328d8035a700ad79313704a9ce12b4fe529e
7 changes: 6 additions & 1 deletion src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/StreamHelper.cs
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Expand Up @@ -441,11 +441,16 @@ internal static string DecodeStream(Stream stream, ref Encoding encoding)
string content = StreamToString(stream, encoding);
if (isDefaultEncoding)
{
// check for a charset attribute on the meta element to override the default
// Check for a charset attribute on the meta element to override the default
// we only look within the first 1k characters as the meta tag is in the head
// tag which is at the start of the document
Match match = s_metaRegex.Match(content.Substring(0, Math.Min(content.Length, 1024)));

// Check for a encoding attribute on the xml declaration to override the default
// we only look within the first 256 characters as the declaration is in the first
// line of the document
Match match2 = s_xmlRegex.Match(content.Substring(0, Math.Min(content.Length, 256)));
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if (match.Success || match2.Success)
{
Encoding localEncoding = null;
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