WIP: Try setting up an emulator in CI

Author: pimterry

.github/workflows/ci.yml

@@ -46,4 +46,30 @@ jobs:
           asset_name: android-frida-interception-script-${{ github.ref }}.js
           file: ./build/android-frida-interception-script.js
           tag: ${{ github.ref }}
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+
+  test-android:
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Set up Android SDK and Emulator
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: 30
+          target: google_apis
+          arch: x86_64
+          profile: pixel_3a
+          emulator-options: -no-window -no-audio -no-boot-anim
+          disable-animations: true
+          script: |
+            adb devices
+            echo "Emulator started."
+      - name: Install Frida CLI
+        run: |
+          pip install --user frida-tools
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+      - name: Prepare emulator
+        run: bash test/setup-emulator.sh

test/setup-emulator.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -e
+
+# Assumes: Android emulator/device is available via ADB and Frida CLI is installed on computer
+# Wait for device, install APK, and set up Frida server (all idempotent)
+
+# Wait for emulator/device to be available
+adb wait-for-device
+adb shell 'while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done;'
+echo "Emulator/device booted."
+
+# Download and install APK if not already installed
+APK_PATH="/tmp/pinning-demo.apk"
+APK_URL="https://github.com/httptoolkit/android-ssl-pinning-demo/releases/download/v1.4.1/pinning-demo.apk"
+PACKAGE="app.htp.demo"
+if ! adb shell pm list packages | grep -q "$PACKAGE"; then
+  wget -q $APK_URL -O $APK_PATH
+  adb install -r $APK_PATH
+  echo "APK installed."
+else
+  echo "APK already installed."
+fi
+
+# Set up Frida server
+FRIDA_VERSION=$(frida --version)
+FRIDA_SERVER_URL="https://github.com/frida/frida/releases/download/${FRIDA_VERSION}/frida-server-${FRIDA_VERSION}-android-x86_64.xz"
+FRIDA_SERVER_LOCAL="/tmp/frida-server"
+FRIDA_SERVER_REMOTE="/data/local/tmp/frida-server"
+
+if ! adb shell pgrep -f frida-server > /dev/null; then
+  if [ ! -f $FRIDA_SERVER_LOCAL ]; then
+    wget -q $FRIDA_SERVER_URL -O /tmp/frida-server.xz
+    unxz -f /tmp/frida-server.xz
+    chmod +x $FRIDA_SERVER_LOCAL
+  fi
+  adb root || true
+  adb remount || true
+  adb push $FRIDA_SERVER_LOCAL $FRIDA_SERVER_REMOTE
+  adb shell "chmod 755 $FRIDA_SERVER_REMOTE"
+  adb shell "$FRIDA_SERVER_REMOTE &"
+  echo "Frida server started on device."
+else
+  echo "Frida server already running."
+fi