name: Set up macOS codesigning
description: Sets up code signing certificates, provisioning profiles, and notarization information
inputs:
  codesignIdentity:
    description: Codesigning identity
    required: true
  installerIdentity:
    description: Codesigning identity for package installer
    required: false
  codesignCertificate:
    description: PKCS12 certificate in base64 format
    required: true
  certificatePassword:
    description: Password required to install PKCS12 certificate
    required: true
  keychainPassword:
    description: Password to use for temporary keychain
    required: false
  notarizationUser:
    description: Apple ID to use for notarization
    required: false
  notarizationPassword:
    description: Application password for notarization
  provisioningProfile:
    description: Provisioning profile in base64 format
    required: false
outputs:
  haveCodesignIdent:
    description: True if necessary codesigning credentials were found
    value: ${{ steps.codesign.outputs.haveCodesignIdent }}
  haveProvisioningProfile:
    description: True if necessary provisioning profile credentials were found
    value: ${{ steps.provisioning.outputs.haveProvisioningProfile || steps.codesign.outputs.haveProvisioningProfile }}
  provisioningProfileUUID:
    description: UUID of imported provisioning profile
    value: ${{ steps.provisioning.outputs.provisioningProfileUUID }}
  haveNotarizationUser:
    description: True if necessary notarization credentials were found
    value: ${{ steps.notarization.outputs.haveNotarizationUser || steps.codesign.outputs.haveNotarizationUser }}
  codesignIdent:
    description: Codesigning identity
    value: ${{ steps.codesign.outputs.codesignIdent }}
  installerIdent:
    description: Codesigning identity for package installer
    value: ${{ steps.codesign.outputs.installerIdent }}
  codesignTeam:
    description: Codesigning team
    value: ${{ steps.codesign.outputs.codesignTeam }}
runs:
  using: composite
  steps:
    - name: Check Runner Operating System 🏃‍♂️
      if: runner.os != 'macOS'
      shell: bash
      run: |
        : Check Runner Operating System 🏃‍♂️
        echo "setup-macos-codesigning action requires a macOS-based runner."
        exit 2

    - name: macOS Codesigning ✍️
      shell: zsh --no-rcs --errexit --pipefail {0}
      id: codesign
      env:
        MACOS_SIGNING_IDENTITY: ${{ inputs.codesignIdentity }}
        MACOS_SIGNING_IDENTITY_INSTALLER: ${{ inputs.installerIdentity}}
        MACOS_SIGNING_CERT: ${{ inputs.codesignCertificate }}
        MACOS_SIGNING_CERT_PASSWORD: ${{ inputs.certificatePassword }}
        MACOS_KEYCHAIN_PASSWORD: ${{ inputs.keychainPassword }}
      run: |
        : macOS Code Signing ✍️
        if (( ${+RUNNER_DEBUG} )) setopt XTRACE

        if [[ ${MACOS_SIGNING_IDENTITY} && ${MACOS_SIGNING_IDENTITY_INSTALLER} && ${MACOS_SIGNING_CERT} ]] {
          print 'haveCodesignIdent=true' >> $GITHUB_OUTPUT

          local -r certificate_path="${RUNNER_TEMP}/build_certificate.p12"
          local -r keychain_path="${RUNNER_TEMP}/app-signing.keychain-db"

          print -n "${MACOS_SIGNING_CERT}" | base64 --decode --output=${certificate_path}

          : "${MACOS_KEYCHAIN_PASSWORD:="$(print ${RANDOM} | shasum | head -c 32)"}"

          print '::group::Keychain setup'
          security create-keychain -p "${MACOS_KEYCHAIN_PASSWORD}" ${keychain_path}
          security set-keychain-settings -lut 21600 ${keychain_path}
          security unlock-keychain -p "${MACOS_KEYCHAIN_PASSWORD}" ${keychain_path}

          security import "${certificate_path}" -P "${MACOS_SIGNING_CERT_PASSWORD}" -A \
            -t cert -f pkcs12 -k ${keychain_path} \
            -T /usr/bin/codesign -T /usr/bin/security -T /usr/bin/xcrun

          security set-key-partition-list -S 'apple-tool:,apple:' -k "${MACOS_KEYCHAIN_PASSWORD}" \
            ${keychain_path} &> /dev/null

          security list-keychain -d user -s ${keychain_path} 'login-keychain'
          print '::endgroup::'

          local -r team_id="${${MACOS_SIGNING_IDENTITY##* }//(\(|\))/}"

          print "codesignIdent=${MACOS_SIGNING_IDENTITY}" >> $GITHUB_OUTPUT
          print "installerIdent=${MACOS_SIGNING_IDENTITY_INSTALLER}" >> $GITHUB_OUTPUT
          print "MACOS_KEYCHAIN_PASSWORD=${MACOS_KEYCHAIN_PASSWORD}" >> $GITHUB_ENV
          print "codesignTeam=${team_id}" >> $GITHUB_OUTPUT
        } else {
          print 'haveCodesignIdent=false' >> $GITHUB_OUTPUT
          print 'haveProvisioningProfile=false' >> $GITHUB_OUTPUT
          print 'haveNotarizationUser=false' >> $GITHUB_OUTPUT
        }

    - name: Provisioning Profile 👤
      shell: zsh --no-rcs --errexit --pipefail {0}
      id: provisioning
      if: ${{ fromJSON(steps.codesign.outputs.haveCodesignIdent) }}
      env:
          MACOS_SIGNING_PROVISIONING_PROFILE: ${{ inputs.provisioningProfile }}
      run: |
        : Provisioning Profile 👤
        if (( ${+RUNNER_DEBUG} )) setopt XTRACE

        if [[ "${MACOS_SIGNING_PROVISIONING_PROFILE}" ]] {
          print 'haveProvisioningProfile=true' >> $GITHUB_OUTPUT

          local -r profile_path="${RUNNER_TEMP}/build_profile.provisionprofile"
          print -n "${MACOS_SIGNING_PROVISIONING_PROFILE}" \
            | base64 --decode --output="${profile_path}"

          print '::group::Provisioning Profile Setup'
          mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
          security cms -D -i ${profile_path} -o ${RUNNER_TEMP}/build_profile.plist
          local -r uuid="$(plutil -extract UUID raw ${RUNNER_TEMP}/build_profile.plist)"
          local -r team_id="$(plutil -extract TeamIdentifier.0 raw -expect string ${RUNNER_TEMP}/build_profile.plist)"

          if [[ ${team_id} != '${{ steps.codesign.outputs.codesignTeam }}' ]] {
            print '::notice::Code Signing team in provisioning profile does not match certificate.'
          }

          cp ${profile_path} ~/Library/MobileDevice/Provisioning\ Profiles/${uuid}.provisionprofile
          print "provisioningProfileUUID=${uuid}" >> $GITHUB_OUTPUT
          print '::endgroup::'
        } else {
          print 'haveProvisioningProfile=false' >> $GITHUB_OUTPUT
        }

    - name: Notarization 🧑‍💼
      id: notarization
      if: fromJSON(steps.codesign.outputs.haveCodesignIdent)
      shell: zsh --no-rcs --errexit --pipefail {0}
      env:
          MACOS_NOTARIZATION_USERNAME: ${{ inputs.notarizationUser }}
          MACOS_NOTARIZATION_PASSWORD: ${{ inputs.notarizationPassword }}
      run: |
        : Notarization 🧑‍💼
        if (( ${+RUNNER_DEBUG} )) setopt XTRACE

        if [[ ${MACOS_NOTARIZATION_USERNAME} && ${MACOS_NOTARIZATION_PASSWORD} ]] {
          print 'haveNotarizationUser=true' >> $GITHUB_OUTPUT
        } else {
          print 'haveNotarizationUser=false' >> $GITHUB_OUTPUT
        }