Attempt to sign macos

.github/workflows/desktop-build.yml

@@ -267,6 +267,57 @@ jobs:
         # https://github.com/actions/runner-images?tab=readme-ov-file#available-images
         run: .ci/compile.sh --server --parallel ${{matrix.core_count}}
 
+      - name: CodeSign app bundle
+        env:
+          MACOS_CERTIFICATE: ${{ secrets.PROD_MACOS_CERTIFICATE }}
+          MACOS_CERTIFICATE_PWD: ${{ secrets.PROD_MACOS_CERTIFICATE_PWD }}
+          MACOS_CERTIFICATE_NAME: ${{ secrets.PROD_MACOS_CERTIFICATE_NAME }}
+          MACOS_CI_KEYCHAIN_PWD: ${{ secrets.PROD_MACOS_CI_KEYCHAIN_PWD }}
+        run: |
+          # Turn our base64-encoded certificate back to a regular .p12 file
+          echo $MACOS_CERTIFICATE | base64 --decode > certificate.p12
+
+          # We need to create a new keychain, otherwise using the certificate will prompt
+          # with a UI dialog asking for the certificate password, which we can't
+          # use in a headless CI environment
+          security create-keychain -p "$MACOS_CI_KEYCHAIN_PWD" build.keychain 
+          security default-keychain -s build.keychain
+          security unlock-keychain -p "$MACOS_CI_KEYCHAIN_PWD" build.keychain
+          security import certificate.p12 -k build.keychain -P "$MACOS_CERTIFICATE_PWD" -T /usr/bin/codesign
+          security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k "$MACOS_CI_KEYCHAIN_PWD" build.keychain
+
+          # We finally codesign our app bundle, specifying the Hardened runtime option
+          /usr/bin/codesign --force -s "$MACOS_CERTIFICATE_NAME" --options runtime ${{steps.build.outputs.path}} -v
+
+      - name: Notarize app bundle
+        env:
+          PROD_MACOS_NOTARIZATION_APPLE_ID: ${{ secrets.PROD_MACOS_NOTARIZATION_APPLE_ID }}
+          PROD_MACOS_NOTARIZATION_TEAM_ID: ${{ secrets.PROD_MACOS_NOTARIZATION_TEAM_ID }}
+          PROD_MACOS_NOTARIZATION_PWD: ${{ secrets.PROD_MACOS_NOTARIZATION_PWD }}
+        run: |
+          # Store the notarization credentials so that we can prevent a UI password dialog
+          # from blocking the CI
+          echo "Create keychain profile"
+          xcrun notarytool store-credentials "notarytool-profile" --apple-id "$PROD_MACOS_NOTARIZATION_APPLE_ID" --team-id "$PROD_MACOS_NOTARIZATION_TEAM_ID" --password "$PROD_MACOS_NOTARIZATION_PWD"
+      
+          # We can't notarize an app bundle directly, but we need to compress it as an archive.
+          # Therefore, we create a zip file containing our app bundle, so that we can send it to the
+          # notarization service
+          echo "Creating temp notarization archive"
+          ditto -c -k --keepParent ${{steps.build.outputs.path}} "notarization.zip"
+      
+          # Here we send the notarization request to the Apple's Notarization service, waiting for the result.
+          # This typically takes a few seconds inside a CI environment, but it might take more depending on the App
+          # characteristics. Visit the Notarization docs for more information and strategies on how to optimize it if
+          # you're curious
+          echo "Notarize app"
+          xcrun notarytool submit "notarization.zip" --keychain-profile "notarytool-profile" --wait
+      
+          # Finally, we need to "attach the staple" to our executable, which will allow our app to be
+          # validated by macOS even when an internet connection is not available.
+          echo "Attach staple"
+          xcrun stapler staple ${{steps.build.outputs.path}}
+
       - name: Upload artifact
         if: matrix.make_package
         uses: actions/upload-artifact@v4