---

- name: Install cas client lib
  get_url:
    url: "{{ item.url }}"
    checksum: sha1:{{ item.sha1 }}
    dest: /opt/zimbra/jetty/common/lib/
  loop: "{{ zcs_cas_libs }}"
  tags: zcs

- name: Get or generate a pre authentication key
  shell: |
    KEY=$(/opt/zimbra/bin/zmprov getDomain {{ item }} zimbrapreauthkey | perl -ne '/^(?:zimbraP|p)reAuthKey: (.*)/ && print $1')
    [ -z $KEY ] && KEY=$(/opt/zimbra/bin/zmprov generateDomainPreAuthKey {{ item }} | perl -ne '/^(?:zimbraP|p)reAuthKey: (.*)/ && print $1')
    echo $KEY
  become_user: zimbra
  register: zcs_preauthkeys
  changed_when: False
  loop: "{{ zcs_domains.keys() | list }}"
  tags: zcs

- name: Install preauth pages
  template: src=cas_preauth.jsp.j2 dest=/opt/zimbra/jetty/webapps/zimbra/public/preauth_{{ item.item }}.jsp owner=zimbra group=zimbra
  loop: "{{ zcs_preauthkeys.results }}"
  notify: restart zimbra
  tags: zcs

- name: Install admin preauth pages
  template: src=cas_preauth_admin.jsp.j2 dest=/opt/zimbra/jetty/webapps/zimbraAdmin/public/preauth_{{ item.item }}.jsp owner=zimbra group=zimbra
  loop: "{{ zcs_preauthkeys.results }}"
  notify: restart zimbra
  tags: zcs

- name: Configure CAS filters
  blockinfile:
    path: /opt/zimbra/jetty/etc/zimbra.web.xml.in
    block: |2

      {% for domain in zcs_domains.keys() | list %}
      {% if zcs_domains[domain].cas is defined and zcs_domains[domain].cas.enabled is defined and zcs_domains[domain].cas.enabled %}
      <!-- CAS filters for domain {{ domain }} -->
      <filter>
        <filter-name>CasSingleSignOutFilter{{ domain }}</filter-name>
        <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
        <init-param>
          <param-name>casServerUrlPrefix</param-name>
          <param-value>{{ zcs_domains[domain].cas.server_url }}</param-value>
        </init-param>
      </filter>

      <filter-mapping>
        <filter-name>CasSingleSignOutFilter{{ domain }}</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>

      <listener>
        <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
      </listener>

      <filter>
        <filter-name>CasAuthenticationFilter{{ domain }}</filter-name>
        <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
        <init-param>
          <param-name>casServerLoginUrl</param-name>
          <param-value>{{ zcs_domains[domain].cas.server_url }}/login</param-value>
        </init-param>
        <init-param>
          <param-name>serverName</param-name>
          <param-value>{{ zcs_domains[domain].public_url }}</param-value>
        </init-param>
      </filter>

      <filter-mapping>
        <filter-name>CasAuthenticationFilter{{ domain }}</filter-name>
        <url-pattern>/public/preauth_{{ domain }}.jsp</url-pattern>
      </filter-mapping>

      <filter>
        <filter-name>CasValidationFilter{{ domain }}</filter-name>
        <filter-class>org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class>
        <init-param>
          <param-name>casServerUrlPrefix</param-name>
          <param-value>{{ zcs_domains[domain].cas.server_url }}</param-value>
        </init-param>
        <init-param>
          <param-name>serverName</param-name>
          <param-value>{{ zcs_domains[domain].public_url }}</param-value>
        </init-param>
        <init-param>
          <param-name>redirectAfterValidation</param-name>
          <param-value>true</param-value>
        </init-param>
      </filter>

      <filter-mapping>
        <filter-name>CasValidationFilter{{ domain }}</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
      <!-- End CAS filter config for domain {{ domain }} -->

      {% else %}

      <!-- CAS not enabled for domain {{ domain }} -->

      {% endif %}
      {% endfor %}

      <filter>
        <filter-name>CasHttpServletRequestWrapperFilter</filter-name>
        <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
      </filter>

      <filter-mapping>
        <filter-name>CasHttpServletRequestWrapperFilter</filter-name>
        <url-pattern>/public/*</url-pattern>
      </filter-mapping>

      <!-- prevent Zimbra from adding ;jsessionid=XXXX in the URL, which the CAS server could reject
           as it doesn't match the initial service anymore -->
      <session-config>
        <tracking-mode>COOKIE</tracking-mode>
      </session-config>
    marker: '<!-- "# {mark} ANSIBLE MANAGED BLOCK" -->'
    insertafter: '</error-page>'
    validate: xmllint %s
  notify: restart zimbra
  tags: zcs

- name: Configure CAS admin filters
  blockinfile:
    path: /opt/zimbra/jetty/etc/zimbraAdmin.web.xml.in
    block: |2

      {% for domain in zcs_domains.keys() | list %}
      {% if zcs_domains[domain].cas is defined and zcs_domains[domain].cas.enabled is defined and zcs_domains[domain].cas.enabled %}
      <!-- CAS filters for domain {{ domain }} -->
      <filter>
        <filter-name>CasSingleSignOutFilter{{ domain }}</filter-name>
        <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
        <init-param>
          <param-name>casServerUrlPrefix</param-name>
          <param-value>{{ zcs_domains[domain].cas.server_url }}</param-value>
        </init-param>
      </filter>

      <filter-mapping>
        <filter-name>CasSingleSignOutFilter{{ domain }}</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>

      <listener>
        <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
      </listener>

      <filter>
        <filter-name>CasAuthenticationFilter{{ domain }}</filter-name>
        <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
        <init-param>
          <param-name>casServerLoginUrl</param-name>
          <param-value>{{ zcs_domains[domain].cas.server_url }}/login</param-value>
        </init-param>
        <init-param>
          <param-name>serverName</param-name>
          <param-value>{{ zcs_domains[domain].admin_url }}</param-value>
        </init-param>
      </filter>

      <filter-mapping>
        <filter-name>CasAuthenticationFilter{{ domain }}</filter-name>
        <url-pattern>/public/preauth_{{ domain }}.jsp</url-pattern>
      </filter-mapping>

      <filter>
        <filter-name>CasValidationFilter{{ domain }}</filter-name>
        <filter-class>org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class>
        <init-param>
          <param-name>casServerUrlPrefix</param-name>
          <param-value>{{ zcs_domains[domain].cas.server_url }}</param-value>
        </init-param>
        <init-param>
          <param-name>serverName</param-name>
          <param-value>{{ zcs_domains[domain].admin_url }}</param-value>
        </init-param>
        <init-param>
          <param-name>redirectAfterValidation</param-name>
          <param-value>true</param-value>
        </init-param>
      </filter>

      <filter-mapping>
        <filter-name>CasValidationFilter{{ domain }}</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>

      <!-- End of CAS filters settings for domaine {{ domain }} -->

      {% else %}

      <!-- CAS not enabled for domain {{ domain }} -->

      {% endif %}
      {% endfor %}

      <filter>
        <filter-name>CasHttpServletRequestWrapperFilter</filter-name>
        <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
      </filter>

      <filter-mapping>
        <filter-name>CasHttpServletRequestWrapperFilter</filter-name>
        <url-pattern>/public/*</url-pattern>
      </filter-mapping>

      <!-- prevent Zimbra from adding ;jsessionid=XXXX in the URL, which the CAS server could reject
           as it doesn't match the initial service anymore -->
      <session-config>
        <tracking-mode>COOKIE</tracking-mode>
      </session-config>
    marker: '<!-- "# {mark} ANSIBLE MANAGED BLOCK" -->'
    insertafter: '</error-page>'
    validate: xmllint %s
  notify: restart zimbra
  tags: zcs

- name: Configure login and logout URL
  shell: |
    /opt/zimbra/bin/zmprov modifyDomain {{ item }} zimbraWebClientLoginURL "{{ zcs_domains[item].public_url | regex_replace('/$','') }}/public/preauth_{{ item }}.jsp"
    /opt/zimbra/bin/zmprov modifyDomain {{ item }} zimbraAdminConsoleLoginURL "{{ zcs_domains[item].admin_url | regex_replace('/$','') }}/zimbraAdmin/public/preauth_{{ item }}.jsp"
    /opt/zimbra/bin/zmprov modifyDomain {{ item }} zimbraWebClientLogoutURL "{{ zcs_domains[item].cas.server_url | regex_replace('/$','') }}/logout"
    /opt/zimbra/bin/zmprov modifyDomain {{ item }} zimbraAdminConsoleLogoutURL "{{ zcs_domains[item].cas.server_url | regex_replace('/$','') }}/logout"
  become_user: zimbra
  loop: "{{ zcs_domains.keys() | list }}"
  when:
    - zcs_domains[item].cas is defined
    - zcs_domains[item].cas.enabled is defined
    - zcs_domains[item].cas.enabled == True
  changed_when: False
  tags: zcs