---
# tasks file for ipasmartcard_server role

- name: Uninstall smartcard server
  ansible.builtin.fail:
    msg: "Uninstalling smartcard for IPA is not supported"
  when: state|default('present') == 'absent'

- name: Import variables specific to distribution
  ansible.builtin.include_vars: "{{ item }}"
  with_first_found:
    - "vars/{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_version'] }}.yml"
    - "vars/{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_major_version'] }}.yml"
    - "vars/{{ ansible_facts['distribution'] }}.yml"
    # os_family is used as a fallback for distros which are not currently
    # supported, but are based on a supported distro family. For example,
    # Oracle, Rocky, Alma and Alibaba linux, which are all "RedHat" based.
    - "vars/{{ ansible_facts['os_family'] }}-{{ ansible_facts['distribution_version'] }}.yml"
    - "vars/{{ ansible_facts['os_family'] }}-{{ ansible_facts['distribution_major_version'] }}.yml"
    - "vars/{{ ansible_facts['os_family'] }}.yml"
    # If neither distro nor family is supported, try a default configuration.
    - "vars/default.yml"

- name: Server configuration
  block:

  # CA CERTS

  # Fail on empty "ipasmartcard_server_ca_certs"
  - name: Fail on empty "ipasmartcard_server_ca_certs"
    ansible.builtin.fail:
      msg: "No CA certs given in 'ipasmartcard_server_ca_certs'"
    when: ipasmartcard_server_ca_certs is not defined or
          ipasmartcard_server_ca_certs | length < 1

  # Validate ipasmartcard_server_ca_certs

  - name: Validate CA certs "{{ ipasmartcard_server_ca_certs }}"
    ipasmartcard_server_validate_ca_certs:
      ca_cert_files: "{{ ipasmartcard_server_ca_certs }}"
    register: result_validate_ca_certs

  # INSTALL bind-utils

  - name: Ensure bind utilities packages are installed
    ansible.builtin.package:
      name: "{{ ipasmartcard_server_bindutils_packages }}"
      state: present
    when: ipaserver_install_packages | bool

  # KINIT

  - name: Set default principal if not given
    ansible.builtin.set_fact:
      ipaadmin_principal: admin
    when: ipaadmin_principal is undefined

  - name: Athenticate with kinit and password for "{{ ipaadmin_principal }}"
    ansible.builtin.command: kinit "{{ ipaadmin_principal }}"
    args:
      stdin: "{{ ipaadmin_password }}"
    when: ipaadmin_password is defined

  - name: Authenticate with kinit and keytab for "{{ ipaadmin_principal }}"
    ansible.builtin.command: kinit -kt "{{ ipaadmin_keytab }}" "{{ ipaadmin_principal }}"
    when: ipaadmin_keytab is defined

  # IS MASTER

  - name: Check that this is an IPA master
    ansible.builtin.command: ipa server-show --raw "{{ ipaserver_hostname | default(ansible_facts['fqdn']) }}"
    register: result_ipa_server_show

  - name: Fail if not an IPA server
    ansible.builtin.fail:
      msg: "Not an IPA server"
    when: result_ipa_server_show.failed

  - name: Get Domain from server-find server name
    ansible.builtin.set_fact:
      ipaserver_domain: "{{ (result_ipa_server_show.stdout | regex_search('cn: (.+)', '\\1'))[0].split('.')[1:] | join('.') }}"
    when: ipaserver_domain is not defined

  - name: Get ipa-ca records
    ansible.builtin.command: "dig +short ipa-ca.{{ ipaserver_domain }}"
    register: result_get_ipaca_records

  - name: Fail if ipa-ca records are not resolvable
    ansible.builtin.fail:
      msg: "ipa-ca records are not resolvable"
    when: result_get_ipaca_records.failed or
          result_get_ipaca_records.stdout | length == 0

  # GET VARS FROM IPA

  - name: Get VARS from IPA
    ipasmartcard_server_get_vars:
    register: ipasmartcard_server_vars

  # ENABLE NSS OCSP

  - name: Enable the OCSP directive in nss.conf
    ansible.builtin.script: ipasmartcard_server_enable_ocsp_directive.sh
                            "{{ ipasmartcard_server_vars.NSS_OCSP_DIRECTIVE }}"
                            "{{ ipasmartcard_server_vars.HTTPD_NSS_CONF }}"
    when: ipasmartcard_server_vars.NSS_OCSP_ENABLED | length > 0

  # MARK NSS HTTPD CERT AS TRUSTED

  - name: Mark HTTPD CERT as trusted
    ansible.builtin.script: ipasmartcard_server_mark_httpd_cert_as_trusted.sh
                            "{{ ipasmartcard_server_vars.NSS_OCSP_DIRECTIVE }}"
                            "{{ ipasmartcard_server_vars.HTTPD_NSS_CONF }}"
                            "{{ ipasmartcard_server_vars.NSS_NICKNAME_DIRECTIVE }}"
                            "{{ ipasmartcard_server_vars.HTTPD_ALIAS_DIR }}"
    when: ipasmartcard_server_vars.NSS_OCSP_ENABLED | length > 0

  # ENABLE SSL OCSP

  - name: Enable the OCSP directive in ssl.conf
    ansible.builtin.script: ipasmartcard_server_enable_ocsp_directive.sh
                            "{{ ipasmartcard_server_vars.OCSP_DIRECTIVE }}"
                            "{{ ipasmartcard_server_vars.HTTPD_SSL_CONF }}"
    when: ipasmartcard_server_vars.OCSP_ENABLED | length > 0

  # Restart apache

  - name: Restart apache
    ansible.builtin.service:
      name: httpd
      state: restarted

  # RECORD HTTPD OCSP STATUS

  # Store the NSS OCSP upgrade state

  - name: Store NSS OCSP upgrade state
    ansible.builtin.command: "{{ ipasmartcard_server_vars.python_interpreter }}"
    args:
      stdin: |
        from ipaserver.install import sysupgrade
        sysupgrade.set_upgrade_state("httpd", "{{ ipasmartcard_server_vars.NSS_OCSP_DIRECTIVE }}", True)
    when: ipasmartcard_server_vars.NSS_OCSP_ENABLED | length > 0

  # Store the SSL OCSP upgrade state

  - name: Store SSL OCSP upgrade state
    ansible.builtin.command: "{{ ipasmartcard_server_vars.python_interpreter }}"
    args:
      stdin: |
        from ipaserver.install import sysupgrade
        sysupgrade.set_upgrade_state("httpd", "{{ ipasmartcard_server_vars.OCSP_DIRECTIVE }}", True)
    when: ipasmartcard_server_vars.OCSP_ENABLED | length > 0

  # check whether PKINIT is configured on the master

  - name: Enable PKINIT
    ansible.builtin.command: ipa-pkinit-manage enable

  # Enable OK-AS-DELEGATE flag on the HTTP principal
  # This enables smart card login to WebUI

  - name: Enable OK-AS-DELEGATE flag on the HTTP principal
    ipaservice:
      name: "HTTP/{{ ipaserver_hostname | default(ansible_facts['fqdn']) }}"
      ok_to_auth_as_delegate: yes

  # HTTPD IFP

  - name: Allow HTTPD ifp
    when: ipasmartcard_server_vars.allow_httpd_ifp
    block:

    # Allow Apache to access SSSD IFP
    - name: Allow Apache to access SSSD IFP
      ansible.builtin.command: "{{ ipasmartcard_server_vars.python_interpreter }}"
      args:
        stdin: |
          import SSSDConfig
          from ipaclient.install.client import sssd_enable_ifp
          from ipaplatform.paths import paths
          c = SSSDConfig.SSSDConfig()
          c.import_config()
          sssd_enable_ifp(c, allow_httpd=True)
          c.write(paths.SSSD_CONF)
      when: ipasmartcard_server_vars.OCSP_ENABLED | length > 0

    # Restart sssd

    - name: Restart sssd
      ansible.builtin.service:
        name: sssd
        state: restarted

  # Ensure /etc/sssd/pki exists

  - name: Prepare for authselect
    when: ipasmartcard_server_vars.USE_AUTHSELECT
    block:
    - name: Ensure /etc/sssd/pki exists
      ansible.builtin.file:
        path: /etc/sssd/pki
        state: directory
        mode: "0711"

    - name: Ensure /etc/sssd/pki/sssd_auth_ca_db.pem is absent
      ansible.builtin.file:
        path: /etc/sssd/pki/sssd_auth_ca_db.pem
        state: absent

  # Upload smartcard CA certificates to systemwide db

  - name: Upload smartcard CA certificates to systemwide db
    ansible.builtin.script: ipasmartcard_server_add_ca_to_systemwide_db.sh
                            "{{ item }}"
                            "{{ ipasmartcard_server_vars.NSS_DB_DIR }}"
    with_items: "{{ result_validate_ca_certs.ca_cert_files }}"

  # Newer version of sssd use OpenSSL and read the CA certs
  # from /etc/sssd/pki/sssd_auth_ca_db.pem

  - name: Add CA certs to /etc/sssd/pki/sssd_auth_ca_db.pem
    ansible.builtin.script: ipasmartcard_server_add_ca_to_sssd_auth_ca_db.sh
                            "{{ item }}"
                            /etc/sssd/pki/sssd_auth_ca_db.pem
    with_items: "{{ result_validate_ca_certs.ca_cert_files }}"
    when: ipasmartcard_server_vars.USE_AUTHSELECT

  # Install smartcard signing CA certs

  - name: Install smartcard signing CA certs
    ansible.builtin.command: ipa-cacert-manage install "{{ item }}" -t CT,C,C
    with_items: "{{ result_validate_ca_certs.ca_cert_files }}"

  # Update ipa CA certificate store

  - name: Update ipa CA certificate store
    ansible.builtin.command: ipa-certupdate

  # Restart krb5kdc

  - name: Restart krb5kdc
    ansible.builtin.service:
      name: krb5kdc
      state: restarted

  ### ALWAYS ###

  always:
  - name: Destroy Kereberos tickets
    ansible.builtin.command: kdestroy -A