Assert release & nightly builds are signed, notarised & accessible before deployment (#559)

.github/workflows/build_macos.yaml

@@ -88,6 +88,14 @@ jobs:
                   CSC_KEY_PASSWORD: ${{ secrets.APPLE_CSC_KEY_PASSWORD }}
                   CSC_LINK: ${{ secrets.APPLE_CSC_LINK }}
 
+            - name: Check app was signed & notarised successfully
+              if: inputs.sign != ''
+              run: |
+                  hdiutil attach dist/*.dmg
+                  codesign -dv --verbose=4 /Volumes/Element*/*.app
+                  spctl -a -vvv -t install /Volumes/Element*/*.app
+                  hdiutil detach /Volumes/Element*
+
             - name: "[Unsigned] Build App"
               if: inputs.sign == ''
               run: |

.github/workflows/build_windows.yaml

@@ -31,6 +31,8 @@ jobs:
     build:
         runs-on: windows-latest
         environment: ${{ inputs.sign && 'packages.element.io' || '' }}
+        env:
+            SIGNTOOL_PATH: "C:/Program Files (x86)/Windows Kits/10/bin/10.0.22000.0/x86/signtool.exe"
         steps:
             - uses: kanga333/variable-mapper@master
               id: config
@@ -154,8 +156,13 @@ jobs:
               run: |
                   yarn ts-node scripts/generate-builder-config.ts ${{ steps.nightly.outputs.config-args }} ${{ steps.esigner.outputs.config-args }}
                   yarn build --publish never -w --config electron-builder.json ${{ steps.config.outputs.build-args }}
-              env:
+
-                  SIGNTOOL_PATH: "C:/Program Files (x86)/Windows Kits/10/bin/10.0.22000.0/x86/signtool.exe"
+            - name: Check app was signed successfully
+              if: inputs.sign != ''
+              # XXX: UPDATE THIS BEFORE WHEN GOING LIVE
+              continue-on-error: true
+              run: |
+                  . "$env:SIGNTOOL_PATH" verify /pa (get-item ./dist/squirrel-windows*/*.exe)
 
             - name: Prepare artifacts for deployment
               if: inputs.deploy-mode

.github/workflows/reprepro.yaml

@@ -59,6 +59,25 @@ jobs:
                       reprepro -b debian includedeb "$target" ./dist/*.deb
                   done
 
+            - name: Check repository works
+              run: |
+                  # Download signing keyring
+                  sudo wget -O /usr/share/keyrings/element-io-archive-keyring.gpg https://packages.element.io/debian/element-io-archive-keyring.gpg
+                  # Point apt at local apt repo
+                  echo "deb [signed-by=/usr/share/keyrings/element-io-archive-keyring.gpg] http://localhost:8000/debian/ default main" | sudo tee /etc/apt/sources.list.d/element-io.list
+
+                  # Start http server and fetch from it via apt
+                  python3 -m http.server 8000 &
+                  sudo apt-get update --allow-insecure-repositories
+                  killall python3
+
+                  # Validate the package in the repo quacks like the one we expect
+                  info=$(dpkg --info ../dist/*.deb)
+                  package=$(echo "$info" | grep "Package:" | sed -n 's/ Package: //p')
+                  version=$(echo "$info" | grep "Version:" | sed -n 's/ Version: //p')
+                  apt-cache show "$package" | grep "Version: $version"
+              working-directory: ./packages.element.io
+
             - name: Deploy debian repo
               run: |
                   aws s3 cp --recursive packages.element.io/debian/ s3://$R2_BUCKET/debian --endpoint-url $R2_URL --region auto