Fix: UrlPathRegexToIgnore could hang on catastrophic backtracking

jsakamoto · jsakamoto · commit 367b2ab0f723 · 2026-04-21T07:51:30.000+09:00
diff --git a/BlazorWasmPreRendering.Build/StaticlizeCrawler.cs b/BlazorWasmPreRendering.Build/StaticlizeCrawler.cs
@@ -66,7 +66,7 @@ public StaticlizeCrawler(
         {
             try
             {
-                this.UrlPathRegexToIgnore = new Regex(urlPathRegexToIgnore, RegexOptions.Compiled | RegexOptions.IgnoreCase);
+                this.UrlPathRegexToIgnore = new Regex(urlPathRegexToIgnore, RegexOptions.Compiled | RegexOptions.IgnoreCase, TimeSpan.FromSeconds(5));
             }
             catch (ArgumentException ex)
             {

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ public StaticlizeCrawler(`
`66`	`66`	`{`
`67`	`67`	`try`
`68`	`68`	`{`
`69`		`- this.UrlPathRegexToIgnore = new Regex(urlPathRegexToIgnore, RegexOptions.Compiled \| RegexOptions.IgnoreCase);`
	`69`	`+ this.UrlPathRegexToIgnore = new Regex(urlPathRegexToIgnore, RegexOptions.Compiled \| RegexOptions.IgnoreCase, TimeSpan.FromSeconds(5));`
`70`	`70`	`}`
`71`	`71`	`catch (ArgumentException ex)`
`72`	`72`	`{`