# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-08-22; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.live.builder
# SPDX-Security-Contact: security@coresecret.eu

# Version Master V8.13.768.2025.12.06

name: 🔐 Generating a Private Live ISO TRIXIE.

permissions:
  contents: write

on:
  push:
    branches:
      - master
    paths:
      - '.gitea/trigger/t_generate_PRIVATE_trixie_1.yaml'

jobs:
  generate-private-cdlb-trixie:
    name: 🔐 Generating a Private Live ISO TRIXIE.
    runs-on: cdlb.trixie

    container:
      image: debian:trixie

    defaults:
      run:
        shell: bash
        working-directory: ${{ github.workspace }}

    steps:
      - name: 🕑 Waiting random time to desynchronize parallel workflows.
        run: |
          set -euo pipefail
          var_wait=$(( RANDOM % 33 ))
          printf "🕑 Waiting %s seconds to desynchronize parallel workflows...\n" "${var_wait}"
          sleep "${var_wait}"

      - name: 🔧 Basic Image Setup.
        run: |
          set -euo pipefail
          umask 0022

          echo "APT_LISTCHANGES_FRONTEND=none"  >> "${GITHUB_ENV}"
          echo "DEBIAN_FRONTEND=noninteractive" >> "${GITHUB_ENV}"
          echo "LC_ALL=C.UTF-8"                 >> "${GITHUB_ENV}"
          echo "TZ=UTC"                         >> "${GITHUB_ENV}"
          echo "VAR_CDLB_INSIDE_RUNNER=true"    >> "${GITHUB_ENV}"

          export APT_LISTCHANGES_FRONTEND=none
          export DEBIAN_FRONTEND=noninteractive

          apt-get update -qq
          apt-get upgrade -y
          apt-get install -y --no-install-recommends \
            apt-utils \
            bash \
            bat \
            ca-certificates \
            cryptsetup \
            curl \
            debootstrap \
            git \
            gnupg-utils \
            gnupg \
            gpg-agent \
            gpgv \
            live-build \
            lsb-release \
            openssh-client \
            openssl \
            perl \
            pinentry-curses \
            pinentry-tty \
            sudo \
            util-linux \
            whois

      - name: ⚙️ Check GnuPG Version.
        run: |
          gpg --version

      - name: ⚙️ Preparing SSH Setup, SSH Deploy Key, Known Hosts, .config.
        run: |
          set +x
          set -euo pipefail
          umask 0077

          rm -rf ~/.ssh && mkdir -m700 ~/.ssh

          ### Private Key
          echo "${{ secrets.SSH_MSW_DEPLOY_CORESECRET_DEV }}" >| ~/.ssh/id_ed25519
          chmod 0600 ~/.ssh/id_ed25519

          ### Scan git.coresecret.dev to fill ~/.ssh/known_hosts
          ssh-keyscan -p 42842 git.coresecret.dev >| ~/.ssh/known_hosts
          chmod 0600 ~/.ssh/known_hosts

          ### Generate SSH Config for git.coresecret.dev Custom-Port
          cat <<EOF >| ~/.ssh/config
          Host git.coresecret.dev
            BatchMode yes
            ConnectTimeout 5
            ControlMaster auto
            ControlPath ~/.ssh/cm-%r@%h:%p
            ControlPersist 5m
            HostName git.coresecret.dev
            IdentityFile ~/.ssh/id_ed25519
            Port 42842
            ServerAliveCountMax 3
            ServerAliveInterval 10
            StrictHostKeyChecking yes
            User git
            UserKnownHostsFile ~/.ssh/known_hosts
          EOF
          chmod 0600 ~/.ssh/config

      ### https://github.com/actions/checkout/issues/1843
      - name: 🔧 Using manual clone via SSH to circumvent Gitea SHA-256 object issues.
        env:
          ### GITHUB_REF_NAME contains the branch name from the push event.
          GITHUB_REF_NAME: ${{ github.ref_name }}
        run: |
          set -euo pipefail
          git clone --branch "${GITHUB_REF_NAME}" ssh://git@git.coresecret.dev:42842/msw/CISS.debian.live.builder.git .

      - name: ⚙️ Init GNUPGHOME.
        run: |
          set +x
          set -euo pipefail
          umask 0077
          GNUPGHOME="${PWD}/gnupg.${GITHUB_RUN_ID}.${GITHUB_JOB}"
          # shellcheck disable=SC2174
          mkdir -p -m 0700 "${GNUPGHOME}"
          echo "GNUPGHOME=${GNUPGHOME}"                 >> "${GITHUB_ENV}"
          echo 'allow-loopback-pinentry'                >| "${GNUPGHOME}/gpg-agent.conf"
          echo 'pinentry-program /usr/bin/pinentry-tty' >> "${GNUPGHOME}/gpg-agent.conf"
          gpgconf --reload gpg-agent || true

      - name: ⚙️ Importing the 'CI PGP DEPLOY ONLY' key.
        env:
          PRIVATE_PGP_MSW_DEPLOY_CORESECRET_DEV: ${{ secrets.PGP_MSW_DEPLOY_CORESECRET_DEV }}
        run: |
          set +x
          set -euo pipefail
          umask 0077
          printf '%s' "${PRIVATE_PGP_MSW_DEPLOY_CORESECRET_DEV}" | gpg --batch --import
          unset PRIVATE_PGP_MSW_DEPLOY_CORESECRET_DEV

      - name: ⚙️ Configuring Git for signed CI/DEPLOY commits.
        run: |
          set +x
          set -euo pipefail
          git config user.name "Marc S. Weidner BOT"
          git config user.email "msw+bot@coresecret.dev"
          git config user.signingkey ${{ secrets.PGP_MSW_DEPLOY_CORESECRET_DEV_FPR }}
          git config commit.gpgsign true
          git config gpg.program gpg
          git config gpg.format openpgp
          git config --get user.signingkey

      - name: ⚙️ Preparing the build environment.
        run: |
          set +x
          set -euo pipefail
          umask 0077
          mkdir -p /dev/shm/cdlb_secrets

          install -m 0600 /dev/null /dev/shm/cdlb_secrets/password.txt
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/authorized_keys
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/ssh_host_ed25519_key
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/ssh_host_ed25519_key.pub
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/ssh_host_rsa_key
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/ssh_host_rsa_key.pub
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/id_2025_ed25519_ciss_primordial
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/id_2025_ed25519_ciss_primordial.pub
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/keys.txt
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/luks.txt
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/signing_ca.asc
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/signing_key.asc
          install -m 0600 /dev/null /dev/shm/cdlb_secrets/signing_key_pass.txt

          echo "${{ secrets.CISS_DLB_ROOT_PWD_1 }}"               >| /dev/shm/cdlb_secrets/password.txt
          echo "${{ secrets.CISS_DLB_ROOT_SSH_PUBKEY_1 }}"        >| /dev/shm/cdlb_secrets/authorized_keys
          echo "${{ secrets.CISS_DLB_SSH_HOST_ED25519_KEY }}"     >| /dev/shm/cdlb_secrets/ssh_host_ed25519_key
          echo "${{ secrets.CISS_DLB_SSH_HOST_ED25519_KEY_PUB }}" >| /dev/shm/cdlb_secrets/ssh_host_ed25519_key.pub
          echo "${{ secrets.CISS_DLB_SSH_HOST_RSA_KEY }}"         >| /dev/shm/cdlb_secrets/ssh_host_rsa_key
          echo "${{ secrets.CISS_DLB_SSH_HOST_RSA_KEY_PUB }}"     >| /dev/shm/cdlb_secrets/ssh_host_rsa_key.pub
          echo "${{ secrets.CISS_PRIMORDIAL_PRIVATE }}"           >| /dev/shm/cdlb_secrets/id_2025_ed25519_ciss_primordial
          echo "${{ secrets.CISS_PRIMORDIAL_PUBLIC }}"            >| /dev/shm/cdlb_secrets/id_2025_ed25519_ciss_primordial.pub
          echo "${{ secrets.CISS_PHYS_AGE }}"                     >| /dev/shm/cdlb_secrets/keys.txt
          echo "${{ secrets.CISS_PHYS_LUKS }}"                    >| /dev/shm/cdlb_secrets/luks.txt
          echo "${{ secrets.PGP_CISS_CA_PUBLIC_KEY }}"            >| /dev/shm/cdlb_secrets/signing_ca.asc
          echo "${{ secrets.PGP_MSW_PRIVATE_SIGNING_KEY }}"       >| /dev/shm/cdlb_secrets/signing_key.asc
          echo "${{ secrets.PGP_MSW_PRIVATE_SIGNING_KEY_PASS }}"  >| /dev/shm/cdlb_secrets/signing_key_pass.txt

      - name: 🔧 Starting CISS.debian.live.builder. This may take about an hour ...
        run: |
          set -euo pipefail
          chmod 0700 ciss_live_builder.sh
          timestamp=$(date -u +"%Y_%m_%dT%H_%M_%SZ")
          ### Change "--autobuild=" to the specific kernel version you need: '6.17.8+deb13-amd64'.
          chmod 0400 /dev/shm/cdlb_secrets/*
          ./ciss_live_builder.sh \
            --architecture amd64 \
            --autobuild=6.17.8+deb13-amd64 \
            --build-directory /opt/cdlb \
            --cdi \
            --change-splash hexagon \
            --control "${timestamp}" \
            --jump-host ${{ secrets.CISS_DLB_JUMP_HOSTS_1 }} \
            --key_age=keys.txt \
            --key_luks=luks.txt \
            --root-password-file /dev/shm/cdlb_secrets/password.txt \
            --signing_ca=signing_ca.asc \
            --signing_key_fpr=${{ secrets.PGP_MSW_PRIVATE_SIGNING_KEY_FPR }} \
            --signing_key_pass=signing_key_pass.txt \
            --signing_key=signing_key.asc \
            --ssh-port ${{ secrets.CISS_DLB_SSH_PORT_1 }} \
            --ssh-pubkey /dev/shm/cdlb_secrets \
            --sshfp \
            --trixie

      - name: 📥 Checking Centurion Cloud for existing LIVE ISOs.
        env:
          NC_BASE: "https://cloud.e2ee.li"
          SHARE_TOKEN: "${{ secrets.CENTURION_CLOUD_UL_USER_1 }}"
          SHARE_PASS: "${{ secrets.CENTURION_CLOUD_UL_PASSWD_1 }}"
        run: |
          set -euo pipefail
          SHARE_SUBDIR=""

          echo "📥 Get directory listing via PROPFIND ..."

          curl -s --user "${SHARE_TOKEN}:${SHARE_PASS}" -X PROPFIND -H "Depth: 1" "${NC_BASE}/public.php/webdav/${SHARE_SUBDIR}" \
          -o propfind_public.xml

          echo "📥 Filter .iso files from the PROPFIND response ..."

          grep -oP '(?<=<d:href>)[^<]+\.iso(?=</d:href>)' propfind_public.xml >| public_iso_list.txt || true

          if [[ -f public_iso_list.txt && -s public_iso_list.txt ]]; then

            echo "💡 Old ISO files found and deleted :"

            while IFS= read -r href; do

              FILE_URL="${NC_BASE}${href}"
              echo "  Delete: ${FILE_URL}"

              if curl -s --user "${SHARE_TOKEN}:${SHARE_PASS}" -X DELETE "${FILE_URL}"; then

                echo "    ✅ Successfully deleted: $(basename "${href}")"

              else

                echo "    ❌ Error: $(basename "${href}") could not be deleted"

              fi

            done < public_iso_list.txt

          else

            echo "💡 No old ISO files found to delete."

          fi

      - name: ⬆️ Upload the ISO file to the Centurion Cloud (cloud.e2ee.li) via WebDAV.
        env:
          NC_BASE: "https://cloud.e2ee.li"
          SHARE_TOKEN: "${{ secrets.CENTURION_CLOUD_UL_USER_1 }}"
          SHARE_PASS: "${{ secrets.CENTURION_CLOUD_UL_PASSWD_1 }}"
        run: |
          set -euo pipefail

          if [[ $(ls /opt/cdlb/*.iso 2>/dev/null | wc -l) -ne 1 ]]; then

            echo "❌ There must be exactly one .iso file in the directory!"
            exit 1

          else

            VAR_ISO_FILE_PATH=$(ls /opt/cdlb/*.iso)
            VAR_ISO_FILE_NAME=$(basename "${VAR_ISO_FILE_PATH}")
            echo "✅ ISO file found: ${VAR_ISO_FILE_NAME}"

          fi

          AUTH="${SHARE_TOKEN}:${SHARE_PASS}"

          if curl --retry 2 "${NC_BASE}"/public.php/webdav/"${VAR_ISO_FILE_NAME}" \
          --upload-file "${VAR_ISO_FILE_PATH}" --user "${AUTH}" > /dev/null 2>&1; then

            echo "✅ New ISO successfully uploaded."

          else

            echo "❌ Uploading the new ISO failed."
            exit 1

          fi

      - name: 🔑 Generating a sha512 Hash of ISO, signing with the 'CI PGP DEPLOY ONLY' key, generate a success message file.
        run: |
          if [[ $(ls /opt/cdlb/*.iso 2>/dev/null | wc -l) -ne 1 ]]; then

            echo "❌ There must be exactly one .iso file in the directory!"
            exit 1

          else

            VAR_ISO_FILE_PATH=$(ls /opt/cdlb/*.iso)
            VAR_ISO_FILE_NAME=$(basename "${VAR_ISO_FILE_PATH}")
            echo "✅ ISO file found: ${VAR_ISO_FILE_NAME}"

          fi

          VAR_ISO_FILE_SHA512="${VAR_ISO_FILE_NAME}.sha512"
          touch "${VAR_ISO_FILE_SHA512}"

          sha512sum "${VAR_ISO_FILE_PATH}" | awk '{print $1}' >| "${VAR_ISO_FILE_SHA512}"

          SIGNATURE_FILE="${VAR_ISO_FILE_SHA512}.sign"
          touch "${SIGNATURE_FILE}"

          gpg --batch --yes --armor --detach-sign --local-user ${{ secrets.PGP_MSW_DEPLOY_CORESECRET_DEV_FPR }} --output "${SIGNATURE_FILE}" "${VAR_ISO_FILE_SHA512}"

          timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
          VAR_DATE="$(date +%F)"
          PRIVATE_FILE="LIVE_ISO_TRIXIE_1.private"
          touch "${PRIVATE_FILE}"

          cat << EOF >| "${PRIVATE_FILE}"
          # SPDX-Version: 3.0
          # SPDX-CreationInfo: ${VAR_DATE}; WEIDNER, Marc S.; <msw@coresecret.dev>
          # SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
          # SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
          # SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
          # SPDX-FileType: SOURCE
          # SPDX-License-Identifier: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
          # SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
          # SPDX-PackageName: CISS.debian.live.builder
          # SPDX-Security-Contact: security@coresecret.eu

          This file was automatically generated by the DEPLOY BOT on: "${timestamp}"

          CISS.debian.live.builder ISO :
            "${VAR_ISO_FILE_NAME}"
          CISS.debian.live.builder ISO sha512 :
            $(< "${VAR_ISO_FILE_SHA512}")
          CISS.debian.live.builder ISO sha512 sign :
            $(< "${SIGNATURE_FILE}")

          # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text
          EOF

      - name: 🚧 Stash local changes (including untracked).
        env:
          GIT_SSH_COMMAND: "ssh -p 42842"
        run: |
          set -euo pipefail
          ### Temporarily store any local modifications or untracked files.
          git stash push --include-untracked -m "ci-temp" || echo "✔️ Nothing to stash."

      - name: 🔄 Sync with remote before commit using merge strategy.
        env:
          GIT_SSH_COMMAND: "ssh -p 42842"
        run: |
          set -euo pipefail

          echo "🔄 Fetching origin/master ..."
          git fetch origin master

          echo "🔁 Merging origin/master into current branch ..."
          git merge --no-edit origin/master || echo "✔️ Already up to date or fast-forward."

          echo "📋 Post-merge status :"
          git status
          git log --oneline -n 5

      - name: 🔧 Restore stashed changes.
        env:
          GIT_SSH_COMMAND: "ssh -p 42842"
        run: |
          set -euo pipefail
          ### Apply previously stashed changes.
          git stash pop || echo "✔️ Nothing to pop."

      - name: 📦 Stage generated files.
        env:
          GIT_SSH_COMMAND: "ssh -p 42842"
        run: |
          set -euo pipefail
          PRIVATE_FILE="LIVE_ISO_TRIXIE_1.private"
          git add "${PRIVATE_FILE}" || echo "✔️ Nothing to add."

      - name: 🔑 Commit and sign changes with CI metadata.
        env:
          GIT_SSH_COMMAND: "ssh -p 42842"
        run: |
          set -euo pipefail

          if git diff --cached --quiet; then

            echo "✔️ No staged changes to commit."

          else

            echo "📝 Committing changes with GPG signature ..."

            ### CI Metadata
            TIMESTAMP_UTC="$(date -u +'%Y-%m-%dT%H:%M:%SZ')"
            HOSTNAME="$(hostname -f || hostname)"
            GIT_SHA="$(git rev-parse --short HEAD)"
            GIT_REF="$(git symbolic-ref --short HEAD || echo detached)"
            WORKFLOW_ID="${GITHUB_WORKFLOW:-generate_PRIVATE_trixie_1.yaml}"
            CI_HEADER="X-CI-Metadata: ${GIT_REF}@${GIT_SHA} at ${TIMESTAMP_UTC} on ${HOSTNAME}"

            COMMIT_MSG="DEPLOY BOT   : 🔐 Auto-Generate PRIVATE LIVE ISO TRIXIE 1 [skip ci]

          ${CI_HEADER}

          Generated at : ${TIMESTAMP_UTC}
          Runner Host  : ${HOSTNAME}
          Workflow ID  : ${WORKFLOW_ID}
          Git Commit   : ${GIT_SHA} HEAD -> ${GIT_REF}
          "

            echo "🔏 Commit message :"
            echo "${COMMIT_MSG}"
            git commit -S -m "${COMMIT_MSG}"

          fi

      - name: 🔁 Push back to repository.
        env:
          GIT_SSH_COMMAND: "ssh -p 42842"
        run: |
          set -euo pipefail
          echo "📤 Pushing changes to ${GITHUB_REF_NAME} ..."
          git push origin HEAD:${GITHUB_REF_NAME}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml