name: macos-code-sign
description: Configure, sign, notarize, and clean up macOS code signing artifacts.
inputs:
  target:
    description: Rust compilation target triple (e.g. aarch64-apple-darwin).
    required: true
  sign-binaries:
    description: Whether to sign and notarize the macOS binaries.
    required: false
    default: "true"
  sign-dmg:
    description: Whether to sign and notarize the macOS dmg.
    required: false
    default: "true"
  apple-certificate:
    description: Base64-encoded Apple signing certificate (P12).
    required: true
  apple-certificate-password:
    description: Password for the signing certificate.
    required: true
  apple-notarization-key-p8:
    description: Base64-encoded Apple notarization key (P8).
    required: true
  apple-notarization-key-id:
    description: Apple notarization key ID.
    required: true
  apple-notarization-issuer-id:
    description: Apple notarization issuer ID.
    required: true
runs:
  using: composite
  steps:
    - name: Configure Apple code signing
      shell: bash
      env:
        KEYCHAIN_PASSWORD: actions
        APPLE_CERTIFICATE: ${{ inputs.apple-certificate }}
        APPLE_CERTIFICATE_PASSWORD: ${{ inputs.apple-certificate-password }}
      run: |
        set -euo pipefail

        if [[ -z "${APPLE_CERTIFICATE:-}" ]]; then
          echo "APPLE_CERTIFICATE is required for macOS signing"
          exit 1
        fi

        if [[ -z "${APPLE_CERTIFICATE_PASSWORD:-}" ]]; then
          echo "APPLE_CERTIFICATE_PASSWORD is required for macOS signing"
          exit 1
        fi

        cert_path="${RUNNER_TEMP}/apple_signing_certificate.p12"
        echo "$APPLE_CERTIFICATE" | base64 -d > "$cert_path"

        keychain_path="${RUNNER_TEMP}/codex-signing.keychain-db"
        security create-keychain -p "$KEYCHAIN_PASSWORD" "$keychain_path"
        security set-keychain-settings -lut 21600 "$keychain_path"
        security unlock-keychain -p "$KEYCHAIN_PASSWORD" "$keychain_path"

        keychain_args=()
        cleanup_keychain() {
          if ((${#keychain_args[@]} > 0)); then
            security list-keychains -s "${keychain_args[@]}" || true
            security default-keychain -s "${keychain_args[0]}" || true
          else
            security list-keychains -s || true
          fi
          if [[ -f "$keychain_path" ]]; then
            security delete-keychain "$keychain_path" || true
          fi
        }

        while IFS= read -r keychain; do
          [[ -n "$keychain" ]] && keychain_args+=("$keychain")
        done < <(security list-keychains | sed 's/^[[:space:]]*//;s/[[:space:]]*$//;s/"//g')

        if ((${#keychain_args[@]} > 0)); then
          security list-keychains -s "$keychain_path" "${keychain_args[@]}"
        else
          security list-keychains -s "$keychain_path"
        fi

        security default-keychain -s "$keychain_path"
        security import "$cert_path" -k "$keychain_path" -P "$APPLE_CERTIFICATE_PASSWORD" -T /usr/bin/codesign -T /usr/bin/security
        security set-key-partition-list -S apple-tool:,apple: -s -k "$KEYCHAIN_PASSWORD" "$keychain_path" > /dev/null

        codesign_hashes=()
        while IFS= read -r hash; do
          [[ -n "$hash" ]] && codesign_hashes+=("$hash")
        done < <(security find-identity -v -p codesigning "$keychain_path" \
          | sed -n 's/.*\([0-9A-F]\{40\}\).*/\1/p' \
          | sort -u)

        if ((${#codesign_hashes[@]} == 0)); then
          echo "No signing identities found in $keychain_path"
          cleanup_keychain
          rm -f "$cert_path"
          exit 1
        fi

        if ((${#codesign_hashes[@]} > 1)); then
          echo "Multiple signing identities found in $keychain_path:"
          printf '  %s\n' "${codesign_hashes[@]}"
          cleanup_keychain
          rm -f "$cert_path"
          exit 1
        fi

        APPLE_CODESIGN_IDENTITY="${codesign_hashes[0]}"

        rm -f "$cert_path"

        echo "APPLE_CODESIGN_IDENTITY=$APPLE_CODESIGN_IDENTITY" >> "$GITHUB_ENV"
        echo "APPLE_CODESIGN_KEYCHAIN=$keychain_path" >> "$GITHUB_ENV"
        echo "::add-mask::$APPLE_CODESIGN_IDENTITY"

    - name: Sign macOS binaries
      if: ${{ inputs.sign-binaries == 'true' }}
      shell: bash
      env:
        TARGET: ${{ inputs.target }}
      run: |
        set -euo pipefail

        if [[ -z "${APPLE_CODESIGN_IDENTITY:-}" ]]; then
          echo "APPLE_CODESIGN_IDENTITY is required for macOS signing"
          exit 1
        fi

        keychain_args=()
        if [[ -n "${APPLE_CODESIGN_KEYCHAIN:-}" && -f "${APPLE_CODESIGN_KEYCHAIN}" ]]; then
          keychain_args+=(--keychain "${APPLE_CODESIGN_KEYCHAIN}")
        fi

        entitlements_path="$GITHUB_ACTION_PATH/codex.entitlements.plist"

        for binary in codex codex-responses-api-proxy; do
          path="codex-rs/target/${TARGET}/release/${binary}"
          codesign --force --options runtime --timestamp --entitlements "$entitlements_path" --sign "$APPLE_CODESIGN_IDENTITY" "${keychain_args[@]}" "$path"
        done

    - name: Notarize macOS binaries
      if: ${{ inputs.sign-binaries == 'true' }}
      shell: bash
      env:
        TARGET: ${{ inputs.target }}
        APPLE_NOTARIZATION_KEY_P8: ${{ inputs.apple-notarization-key-p8 }}
        APPLE_NOTARIZATION_KEY_ID: ${{ inputs.apple-notarization-key-id }}
        APPLE_NOTARIZATION_ISSUER_ID: ${{ inputs.apple-notarization-issuer-id }}
      run: |
        set -euo pipefail

        for var in APPLE_NOTARIZATION_KEY_P8 APPLE_NOTARIZATION_KEY_ID APPLE_NOTARIZATION_ISSUER_ID; do
          if [[ -z "${!var:-}" ]]; then
            echo "$var is required for notarization"
            exit 1
          fi
        done

        notary_key_path="${RUNNER_TEMP}/notarytool.key.p8"
        echo "$APPLE_NOTARIZATION_KEY_P8" | base64 -d > "$notary_key_path"
        cleanup_notary() {
          rm -f "$notary_key_path"
        }
        trap cleanup_notary EXIT

        source "$GITHUB_ACTION_PATH/notary_helpers.sh"

        notarize_binary() {
          local binary="$1"
          local source_path="codex-rs/target/${TARGET}/release/${binary}"
          local archive_path="${RUNNER_TEMP}/${binary}.zip"

          if [[ ! -f "$source_path" ]]; then
            echo "Binary $source_path not found"
            exit 1
          fi

          rm -f "$archive_path"
          ditto -c -k --keepParent "$source_path" "$archive_path"

          notarize_submission "$binary" "$archive_path" "$notary_key_path"
        }

        notarize_binary "codex"
        notarize_binary "codex-responses-api-proxy"

    - name: Sign and notarize macOS dmg
      if: ${{ inputs.sign-dmg == 'true' }}
      shell: bash
      env:
        TARGET: ${{ inputs.target }}
        APPLE_NOTARIZATION_KEY_P8: ${{ inputs.apple-notarization-key-p8 }}
        APPLE_NOTARIZATION_KEY_ID: ${{ inputs.apple-notarization-key-id }}
        APPLE_NOTARIZATION_ISSUER_ID: ${{ inputs.apple-notarization-issuer-id }}
      run: |
        set -euo pipefail

        for var in APPLE_CODESIGN_IDENTITY APPLE_NOTARIZATION_KEY_P8 APPLE_NOTARIZATION_KEY_ID APPLE_NOTARIZATION_ISSUER_ID; do
          if [[ -z "${!var:-}" ]]; then
            echo "$var is required"
            exit 1
          fi
        done

        notary_key_path="${RUNNER_TEMP}/notarytool.key.p8"
        echo "$APPLE_NOTARIZATION_KEY_P8" | base64 -d > "$notary_key_path"
        cleanup_notary() {
          rm -f "$notary_key_path"
        }
        trap cleanup_notary EXIT

        source "$GITHUB_ACTION_PATH/notary_helpers.sh"

        dmg_name="codex-${TARGET}.dmg"
        dmg_path="codex-rs/target/${TARGET}/release/${dmg_name}"

        if [[ ! -f "$dmg_path" ]]; then
          echo "dmg $dmg_path not found"
          exit 1
        fi

        keychain_args=()
        if [[ -n "${APPLE_CODESIGN_KEYCHAIN:-}" && -f "${APPLE_CODESIGN_KEYCHAIN}" ]]; then
          keychain_args+=(--keychain "${APPLE_CODESIGN_KEYCHAIN}")
        fi

        codesign --force --timestamp --sign "$APPLE_CODESIGN_IDENTITY" "${keychain_args[@]}" "$dmg_path"
        notarize_submission "$dmg_name" "$dmg_path" "$notary_key_path"
        xcrun stapler staple "$dmg_path"

    - name: Remove signing keychain
      if: ${{ always() }}
      shell: bash
      env:
        APPLE_CODESIGN_KEYCHAIN: ${{ env.APPLE_CODESIGN_KEYCHAIN }}
      run: |
        set -euo pipefail
        if [[ -n "${APPLE_CODESIGN_KEYCHAIN:-}" ]]; then
          keychain_args=()
          while IFS= read -r keychain; do
            [[ "$keychain" == "$APPLE_CODESIGN_KEYCHAIN" ]] && continue
            [[ -n "$keychain" ]] && keychain_args+=("$keychain")
          done < <(security list-keychains | sed 's/^[[:space:]]*//;s/[[:space:]]*$//;s/"//g')
          if ((${#keychain_args[@]} > 0)); then
            security list-keychains -s "${keychain_args[@]}"
            security default-keychain -s "${keychain_args[0]}"
          fi

          if [[ -f "$APPLE_CODESIGN_KEYCHAIN" ]]; then
            security delete-keychain "$APPLE_CODESIGN_KEYCHAIN"
          fi
        fi