Add scripts for resolving and verifying Chromium binary paths
- Implemented `chrome-path.js` to define functions for locating Chromium binaries across different platforms and nested directories. - Added `verify-chromium.js` to check for the presence of the Chromium binary and log the results, including candidate paths checked. - The scripts support Linux, Windows, and macOS environments, enhancing the flexibility of Chromium binary detection.
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using System;
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using System.IO;
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using System.Text;
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namespace StellaOps.Scanner.Analyzers.Lang.Go.Internal;
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internal static class GoDwarfReader
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{
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private static readonly byte[] VcsSystemToken = Encoding.UTF8.GetBytes("vcs=");
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private static readonly byte[] VcsRevisionToken = Encoding.UTF8.GetBytes("vcs.revision=");
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private static readonly byte[] VcsModifiedToken = Encoding.UTF8.GetBytes("vcs.modified=");
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private static readonly byte[] VcsTimeToken = Encoding.UTF8.GetBytes("vcs.time=");
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public static bool TryRead(string path, out GoDwarfMetadata? metadata)
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{
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metadata = null;
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ReadOnlySpan<byte> data;
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try
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{
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var fileInfo = new FileInfo(path);
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if (!fileInfo.Exists || fileInfo.Length == 0 || fileInfo.Length > 256 * 1024 * 1024)
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{
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return false;
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}
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data = File.ReadAllBytes(path);
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}
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catch (IOException)
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{
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return false;
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}
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catch (UnauthorizedAccessException)
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{
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return false;
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}
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var revision = ExtractValue(data, VcsRevisionToken);
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var modifiedText = ExtractValue(data, VcsModifiedToken);
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var timestamp = ExtractValue(data, VcsTimeToken);
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var system = ExtractValue(data, VcsSystemToken);
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bool? modified = null;
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if (!string.IsNullOrWhiteSpace(modifiedText))
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{
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if (bool.TryParse(modifiedText, out var parsed))
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{
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modified = parsed;
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}
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}
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if (string.IsNullOrWhiteSpace(revision) && string.IsNullOrWhiteSpace(system) && modified is null && string.IsNullOrWhiteSpace(timestamp))
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{
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return false;
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}
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metadata = new GoDwarfMetadata(system, revision, modified, timestamp);
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return true;
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}
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private static string? ExtractValue(ReadOnlySpan<byte> data, ReadOnlySpan<byte> token)
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{
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var index = data.IndexOf(token);
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if (index < 0)
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{
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return null;
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}
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var start = index + token.Length;
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var end = start;
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while (end < data.Length)
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{
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var current = data[end];
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if (current == 0 || current == (byte)'\n' || current == (byte)'\r')
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{
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break;
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}
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end++;
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}
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if (end <= start)
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{
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return null;
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}
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return Encoding.UTF8.GetString(data.Slice(start, end - start));
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}
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}
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