yubioath-flutter/doc/MacOS_Packaging.adoc
2021-11-19 10:55:43 +01:00

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== Packaging for MacOS
Building the ykman CLI locally will result in an adhoc-signed build, which
works for local development, but not for distribution. Before distributing it
needs to be re-signed. Build the CLI by running `build-ykman.sh`, see the main
README for details.
To distribute the app you will need the Yubico MacOS signing key. The method of
signing differs depending on if the app should be distributed standalone
(outside the App Store) or via the App Store.
=== Standalone (Notarized)
To distribute the app outside of the App Store, we need to sign it and Notarize
it. For Notarization to work, we must enable "hardened runtime" by setting the
`--options runtime` when signing.
==== Signing the ykman CLI
The following commands can be done to re-sign the files using the Yubico
signing key:
# Sign the main binary, with the entitlements:
codesign -f --timestamp --options runtime --entitlements macos/ykman.entitlements --sign 'Application' build/macos/ykman/ykman
# Sign the dylib and so files, without entitlements:
codesign -f --timestamp --options runtime --sign 'Application' $(find build/macos/ykman/ -name "*.dylib" -o -name "*.so")
# Sign the Python binary (if it exists), without entitlements:
codesign -f --timestamp --options runtime --sign 'Application' build/macos/ykman/Python
==== Signing the GUI
After signing the CLI, make a release build of the GUI and then re-sign it with
the Yubico key:
codesign --timestamp --options runtime --sign 'Application' --entitlements macos/Runner/Release.entitlements --deep build/macos/Build/Products/Release/flutter_rpc_test.app
The app should now be properly signed, and needs to be Notarized. Create a zip file with the .app, and:
xcrun altool -t osx -f app.zip --primary-bundle-id com.example.flutterRpcTest --notarize-app -u $APPLE_ID -p $PASSWORD
This will return a $APP_GUID.
To check if notarization is complete:
xcrun altool --notarization-info $APP_GUID -u $APPLE_ID -p $PASSWORD
When the notarization is complete, and successful, the original .app bundle (not the .zip archive) needs to be stapled.
xcrun stapler staple -v build/macos/Build/Products/Release/flutter_rpc_test.app
Create the installer with productbuild.
productbuild --sign 'Installer' --component build/macos/Build/Products/Release/flutter_rpc_test.app /Applications/ output-file-xyz.pkg
Then notarize and staple (when ready) the .pkg as well:
xcrun altool -t osx -f <pkg file>.pkg --primary-bundle-id com.example.flutterRpcTest --notarize-app -u $APPLE_ID -p $PASSWORD
xcrun altool --notarization-info $APP_GUID -u $APPLE_ID -p $PASSWORD
xcrun stapler staple -v <pkg file>
Finally, we're done! The .pkg is ready for distribution.
=== Signing for the App Store
All binaries must have sandbox enabled for the Apple App Store, but the ykman
binary doesn't work when sandboxed AND hardened. Luckily, App Store binaries do
not need to be hardened. Thus, we need to sign the ykman executable with
sandbox enabled, but NOT as a hardened build. The App Store build also uses a
different code signing key than the standalone distribution.
==== Signing the ykman CLI
Follow the same steps as for "standalone", with the exception of signing the `ykman` binary:
# Sign the main binary, with sandbox enabled, without hardened runtime:
codesign -f --timestamp --entitlements macos/ykman-sandbox.entitlements --sign 'Application' build/macos/ykman/ykman
NOTE: This sandboxed ykman will not run on its own, it has to be run as a
subprocess to the main application.
Once you have the signed .app, (no Notarization required) build the package for AppStore submission:
productbuild --sign 'Installer' --component build/macos/Build/Products/Release/flutter_rpc_test.app /Applications/ output-appstore.pkg
Use the Transporter app to upload the package to Apple.