feat: skew protection (#3147)

Author: pieh

package-lock.json

@@ -65,10 +65,12 @@
     "@netlify/zip-it-and-ship-it": "^14.1.8",
     "@opentelemetry/api": "^1.8.0",
     "@playwright/test": "^1.43.1",
+    "@types/adm-zip": "^0.5.7",
     "@types/node": "^20.12.7",
     "@types/picomatch": "^3.0.0",
     "@types/uuid": "^10.0.0",
     "@vercel/nft": "^0.30.0",
+    "adm-zip": "^0.5.16",
     "cheerio": "^1.0.0-rc.12",
     "clean-package": "^2.2.0",
     "esbuild": "^0.25.0",

package.json

@@ -207,6 +207,11 @@ export class PluginContext {
     return join(this.edgeFunctionsDir, EDGE_HANDLER_NAME)
   }
 
+  /** Absolute path to the skew protection config */
+  get skewProtectionConfigPath(): string {
+    return this.resolveFromPackagePath('.netlify/v1/skew-protection.json')
+  }
+
   constructor(options: NetlifyPluginOptions) {
     this.constants = options.constants
     this.featureFlags = options.featureFlags