From 9789c3f69cc8427b999ca6e7d746223f1c81cc05 Mon Sep 17 00:00:00 2001
From: LoveSy <shana@zju.edu.cn>
Date: Tue, 26 Oct 2021 17:16:38 +0800
Subject: [PATCH] Initial commit

---
 .github/workflows/magisk.yml | 167 +++++++++++++++++++++++++++++++++++
 README.md                    |  14 +++
 2 files changed, 181 insertions(+)
 create mode 100644 .github/workflows/magisk.yml
 create mode 100644 README.md

diff --git a/.github/workflows/magisk.yml b/.github/workflows/magisk.yml
new file mode 100644
index 0000000..fa94826
--- /dev/null
+++ b/.github/workflows/magisk.yml
@@ -0,0 +1,167 @@
+name: Magisk
+
+on:
+  workflow_dispatch:
+    inputs:
+      magisk_apk:
+        description: 'Download link to magisk apk.'
+        required: true
+      arch:
+        description: 'Architecture to build. Should be x64 or arm64.'
+        required: true 
+        default: 'x64'
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Dependencies
+        run: |
+          pip3 install beautifulsoup4 lxml
+          sudo apt-get update && sudo apt-get install setools
+      - name: Download AWS
+        shell: python
+        run: |
+          import requests
+          from bs4 import BeautifulSoup
+          import re
+          import zipfile
+          import os
+          import urllib.request
+
+          res = requests.post("https://store.rg-adguard.net/api/GetFiles", "type=CategoryId&url=858014f3-3934-4abe-8078-4aa193e74ca8&ring=WIS&lang=en-US", headers={
+              "content-type": "application/x-www-form-urlencoded"
+          })
+          html = BeautifulSoup(res.content, "lxml")
+          a = html.find("a", string=re.compile("MicrosoftCorporationII\.WindowsSubsystemForAndroid_.*\.msixbundle"))
+          link = a["href"]
+
+          print(f"downloading link: {link}", flush=True)
+
+          out_file = "wsa.zip"
+
+          arch = "${{ github.event.inputs.arch }}"
+
+          if not os.path.isfile(out_file):
+              urllib.request.urlretrieve(link, out_file)
+
+          zip_name = ""
+          with zipfile.ZipFile(out_file) as zip:
+              for f in zip.filelist:
+                  if f.filename.__contains__(arch):
+                      zip_name = f.filename
+                      if not os.path.isfile(zip_name):
+                          print(f"unzipping to {zip_name}", flush=True)
+                          zip.extract(f)
+
+          with zipfile.ZipFile(zip_name) as zip:
+              if not os.path.isdir(arch):
+                  print(f"unzipping from {zip_name}", flush=True)
+                  zip.extractall(arch)
+          print("done", flush=True)
+      - name: Download Magisk
+        shell: python
+        run: |
+          import urllib.request
+          import zipfile
+          import os
+
+          magisk_apk = """${{ github.event.inputs.magisk_apk }}"""
+
+          out_file = "magisk.zip"
+
+          arch = "${{ github.event.inputs.arch }}"
+
+          abi_map={"x64" : ["x86_64", "x86"], "arm64" : ["arm64-v8a", "armeabi-v7a"]}
+
+          if not os.path.isfile(out_file):
+              urllib.request.urlretrieve(magisk_apk, out_file)
+
+          def extract_as(zip, name, as_name, dir):
+              info = zip.getinfo(name)
+              info.filename = as_name
+              zip.extract(info, dir)
+
+          with zipfile.ZipFile(out_file) as zip:
+              extract_as(zip, f"lib/{ abi_map[arch][0] }/libmagisk64.so", "magisk64", "magisk")
+              extract_as(zip, f"lib/{ abi_map[arch][1] }/libmagisk32.so", "magisk32", "magisk")
+              extract_as(zip, f"lib/{ abi_map[arch][0] }/libmagiskinit.so", "magiskinit", "magisk")
+      - name: Expand images
+        run: |
+          e2fsck -yf ${{ github.event.inputs.arch }}/vendor.img
+          resize2fs ${{ github.event.inputs.arch }}/vendor.img 320M
+      - name: Mount images
+        run: |
+          sudo mkdir system
+          sudo mount -o loop ${{ github.event.inputs.arch }}/system.img system
+          sudo mount -o loop ${{ github.event.inputs.arch }}/vendor.img system/vendor
+      - name: Modify images
+        run: |
+          sudo mkdir system/sbin
+          sudo chcon --reference system/init.environ.rc system/sbin
+          sudo chown root:root system/sbin
+          sudo chmod 0700 system/sbin
+          sudo cp magisk/* system/sbin/
+          sudo find system/sbin -type f -exec chmod 0755 {} \;
+          sudo find system/sbin -type f -exec chown root:root {} \;
+          sudo find system/sbin -type f -exec chcon --reference system/product {} \;
+          ln -s magiskinit magisk/magiskpolicy
+          chmod +x magisk/magiskpolicy
+          echo '/dev/wsa-magisk(/.*)?    u:object_r:magisk_file:s0' | sudo tee -a system/vendor/etc/selinux/vendor_file_contexts
+          sudo ./magisk/magiskpolicy --load system/vendor/etc/selinux/precompiled_sepolicy --save system/vendor/etc/selinux/precompiled_sepolicy --magisk "allow * magisk_file lnk_file *"
+          sudo tee -a system/system/etc/init/hw/init.rc <<EOF
+
+          on post-fs-data
+              start logd
+              start adbd
+              mkdir /dev/wsa-magisk
+              mount tmpfs tmpfs /dev/wsa-magisk mode=0755
+              copy /sbin/magisk64 /dev/wsa-magisk/magisk64
+              chmod 0755 /dev/wsa-magisk/magisk64
+              symlink ./magisk64 /dev/wsa-magisk/magisk
+              symlink ./magisk64 /dev/wsa-magisk/su
+              symlink ./magisk64 /dev/wsa-magisk/resetprop
+              copy /sbin/magisk32 /dev/wsa-magisk/magisk32
+              chmod 0755 /dev/wsa-magisk/magisk32
+              copy /sbin/magiskinit /dev/wsa-magisk/magiskinit
+              chmod 0755 /dev/wsa-magisk/magiskinit
+              symlink ./magiskinit /dev/wsa-magisk/magiskpolicy
+              mkdir /dev/wsa-magisk/.magisk 700
+              mkdir /dev/wsa-magisk/.magisk/mirror 700
+              mkdir /dev/wsa-magisk/.magisk/block 700
+              rm /dev/.magisk_unblock
+              start FAhW7H9G5sf
+              wait /dev/.magisk_unblock 10
+              rm /dev/.magisk_unblock
+
+          service FAhW7H9G5sf /dev/wsa-magisk/magisk --post-fs-data
+              user root
+              seclabel u:r:magisk:s0
+              oneshot
+
+          service HLiFsR1HtIXVN6 /dev/wsa-magisk/magisk --service
+              class late_start
+              user root
+              seclabel u:r:magisk:s0
+              oneshot
+
+          on property:sys.boot_completed=1
+              start YqCTLTppv3ML
+
+          service YqCTLTppv3ML /dev/wsa-magisk/magisk --boot-complete
+              user root
+              seclabel u:r:magisk:s0
+              oneshot
+          EOF
+      - name: Umount images
+        run: |
+          sudo umount system/vendor
+          sudo umount system
+      - name: Remove signature
+        run: |
+          rm -rf ${{ github.event.inputs.arch }}/\[Content_Types\].xml ${{ github.event.inputs.arch }}/AppxBlockMap.xml ${{ github.event.inputs.arch }}/AppxSignature.p7x ${{ github.event.inputs.arch }}/AppxMetadata
+      - name: Upload WSA
+        uses: actions/upload-artifact@v2
+        with:
+          name: WSA-with-Magisk
+          path: './${{ github.event.inputs.arch }}/*'
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6b664fa
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+## Magisk on WSA
+
+### Usage
+1. Fork this repo
+1. Go to Action tab and select workflow `Magisk`, click the run button and enter the needed infomation (architecture and magisk apk download link)
+1. Wait the action complete and download the artifact
+1. Uninstall WSA
+1. Unzip the artifact 
+1. Enable deveop mode on Windows
+1. Open powershell with admin permission and run `Add-AppxPackage -Register .\AppxManifest.xml` under the unzipped artifact directory
+1. Launch WSA and enable develop mode, launch the file manager, and wait until the file manager popup
+1. `adb connect localhost:58526` to connect` to connect to WSA and install Magisk canary app (23010) (the attached magisk.apk) and launch it
+1. Fix the environment as Magisk app will prompt and reboot
+1. Enjoy by installing Riru and LSPosed
\ No newline at end of file