Add ability to decode base64 in urlskip=

gorhill · gorhill · commit e81e70937f5b · 2024-09-29T10:51:56.000-04:00
Related case: uBlockOrigin/uAssets#25467 New step: `-base64` Purpose: to decode base64-encoded output of previous step
diff --git a/src/js/static-net-filtering.js b/src/js/static-net-filtering.js
@@ -5441,6 +5441,11 @@ function urlSkip(urlin, steps) {
                 urlin = urlout = `https://${s}`;
                 continue;
             }
+            // Decode base64
+            if ( step === '-base64' ) {
+                urlin = urlout = self.atob(urlin);
+                continue;
+            }
             // Unknown directive
             return;
         }

Original file line number	Diff line number	Diff line change
`@@ -5441,6 +5441,11 @@ function urlSkip(urlin, steps) {`
`5441`	`5441`	urlin = urlout = `https://${s}`;
`5442`	`5442`	`continue;`
`5443`	`5443`	`}`
	`5444`	`+ // Decode base64`
	`5445`	`+ if ( step === '-base64' ) {`
	`5446`	`+ urlin = urlout = self.atob(urlin);`
	`5447`	`+ continue;`
	`5448`	`+ }`
`5444`	`5449`	`// Unknown directive`
`5445`	`5450`	`return;`
`5446`	`5451`	`}`