diff options
Diffstat (limited to 'src/StardewModdingAPI.Toolkit/Utilities')
| -rw-r--r-- | src/StardewModdingAPI.Toolkit/Utilities/PathUtilities.cs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/StardewModdingAPI.Toolkit/Utilities/PathUtilities.cs b/src/StardewModdingAPI.Toolkit/Utilities/PathUtilities.cs index b959f9b5..79748c25 100644 --- a/src/StardewModdingAPI.Toolkit/Utilities/PathUtilities.cs +++ b/src/StardewModdingAPI.Toolkit/Utilities/PathUtilities.cs @@ -63,6 +63,18 @@ namespace StardewModdingAPI.Toolkit.Utilities return relative; } + /// <summary>Get whether a path is relative and doesn't try to climb out of its containing folder (e.g. doesn't contain <c>../</c>).</summary> + /// <param name="path">The path to check.</param> + public static bool IsSafeRelativePath(string path) + { + if (string.IsNullOrWhiteSpace(path)) + return true; + + return + !Path.IsPathRooted(path) + && PathUtilities.GetSegments(path).All(segment => segment.Trim() != ".."); + } + /// <summary>Get whether a string is a valid 'slug', containing only basic characters that are safe in all contexts (e.g. filenames, URLs, etc).</summary> /// <param name="str">The string to check.</param> public static bool IsSlug(string str) |