sigstore-python/.github/workflows/cross-os.yml at 92e154910915d9822bbbf6d9ee7dd52d148c0a3f · sigstore/sigstore-python · GitHub

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# Copyright 2025 The Sigstore Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Cross-platform sign and verify
on:
  push:
    branches:
      - main
      - series/*
  pull_request:
  workflow_dispatch:

permissions: {}

defaults:
  run:
    shell: bash

jobs:
  sign:
    name: Sign on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}-latest
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu, macos, windows]
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
        with:
          python-version: "3.x"
          cache: "pip"
          cache-dependency-path: pyproject.toml
      - run: pip install .
      - name: Fetch testing oidc token
        uses: sigstore-conformance/extremely-dangerous-public-oidc-beacon@4a8befcc16064dac9e97f210948d226e5c869bdc # v1.0.0
      - name: Sign
        run: python -m sigstore --staging sign --identity-token $(cat oidc-token.txt) test/assets/a.txt
      - name: upload signature bundle
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
        with:
          name: ${{ matrix.os }}-bundle
          path: test/assets/a.txt.sigstore.json
          if-no-files-found: error
          retention-days: 1
  verify:
    name: Verify ${{ matrix.signed-with-os }} bundle on ${{ matrix.os }}
    if: ${{ always() }} # don't stop some verification if one of the signing jobs failed
    needs: [sign]
    runs-on: ${{ matrix.os }}-latest
    strategy:
      fail-fast: false # Don't cancel other jobs if one fails
      matrix:
        os: [ubuntu, macos, windows]
        signed-with-os: [ubuntu, macos, windows]
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
        with:
          python-version: "3.x"
          cache: "pip"
          cache-dependency-path: pyproject.toml
      - run: pip install .
      - uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
        with:
          name: ${{ matrix.signed-with-os }}-bundle
      - name: Verify
        run: |
          python -m sigstore --staging verify github --verbose \
            --cert-identity "https://github.com/sigstore-conformance/extremely-dangerous-public-oidc-beacon/.github/workflows/extremely-dangerous-oidc-beacon.yml@refs/heads/main" \
            --bundle a.txt.sigstore.json \
            test/assets/a.txt