From a78289ae9135678cf996d966704b63dd8aab89a5 Mon Sep 17 00:00:00 2001
From: Guus van der Meer <info@guus.ninja>
Date: Mon, 25 Dec 2023 02:30:04 +0100
Subject: [PATCH] Workflow for manifest v3 block rules (#10555)

* Created a workflow that creates a PR for the block-rules for manifest V3
---
 .github/workflows/block_rules.yml       | 44 ++++++++++++++++++++
 .github/workflows/generateBlockRules.js | 54 +++++++++++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 .github/workflows/block_rules.yml
 create mode 100644 .github/workflows/generateBlockRules.js

diff --git a/.github/workflows/block_rules.yml b/.github/workflows/block_rules.yml
new file mode 100644
index 00000000..e0a8581f
--- /dev/null
+++ b/.github/workflows/block_rules.yml
@@ -0,0 +1,44 @@
+name: Generate manifest V3 block rules
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  generate-block-rules:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Generate block rules
+        run: node .github\workflows\generateBlockRules.js > src\rules.json
+
+      - name: Run Prettier
+        run: npx prettier --write .\src\rules.json
+
+      - name: Check for changes
+        id: git-diff
+        run: echo ::set-output name=files-changed::$(git diff --name-only)
+
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: Update block rules for Manifest V3
+          branch: update-block-rules
+          title: Update manifest V3 block rules
+          body: |
+            This pull request updates the block rules based on the latest changes.
+            Files changed:
+            ${{ steps.git-diff.outputs.files-changed }}
diff --git a/.github/workflows/generateBlockRules.js b/.github/workflows/generateBlockRules.js
new file mode 100644
index 00000000..f7dec926
--- /dev/null
+++ b/.github/workflows/generateBlockRules.js
@@ -0,0 +1,54 @@
+// This is used to generate the block rules for Manifest V3 from the block rules in Manifest V2.
+
+import { blockUrls } from "../../src/data/rules.js";
+
+function generateDeclarativeNetRules() {
+  const result = [];
+  let lastId = 1;
+
+  const addRule = (blockRule) => {
+    const newRule = {
+      id: lastId++,
+      priority: 1,
+      action: { type: "block" },
+      condition: {
+        urlFilter: blockRule.r,
+        resourceTypes: ["script", "stylesheet", "xmlhttprequest", "image"],
+      },
+    };
+
+    if (blockRule.e) {
+      newRule.condition.excludedInitiatorDomains = blockRule.e.slice();
+    }
+
+    result.push(newRule);
+  };
+
+  for (const blockRule of blockUrls.common) {
+    addRule(blockRule);
+  }
+
+  for (const blockRules of Object.values(blockUrls.common_groups)) {
+    for (const blockRule of blockRules) {
+      addRule(blockRule);
+    }
+  }
+
+  for (const [domain, url] of Object.entries(blockUrls.specific)) {
+    const newRule = {
+      id: lastId++,
+      priority: 1,
+      action: { type: "block" },
+      condition: {
+        urlFilter: url[0],
+        resourceTypes: ["script", "stylesheet", "xmlhttprequest", "image"],
+        initiatorDomains: [domain],
+      },
+    };
+    result.push(newRule);
+  }
+
+  console.log(JSON.stringify(result, null, "\t"));
+}
+
+generateDeclarativeNetRules();