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- name: Install Dovecot
  #apt: pkg={{ item }} default_release={{ ansible_lsb.codename }}-backports
  apt: pkg={{ item }}
  with_items:
    - dovecot-core
    - dovecot-imapd

- name: Create a user 'imapproxy'
  user: name=imapproxy system=yes
        createhome=no
        home=/home/imapproxy
        shell=/usr/sbin/nologin
        password=!
        state=present

- name: Create a home directory for user 'imapproxy'
  file: path=/home/imapproxy
        state=directory
        owner=imapproxy group=imapproxy
        mode=0700

- name: Configure Dovecot
  copy: src=etc/dovecot/conf.d/{{ item }}
        dest=/etc/dovecot/conf.d/{{ item }}
        owner=root group=root
        mode=0644
  register: r
  with_items:
    - 10-auth.conf
    - 10-logging.conf
    - 10-mail.conf
    - 10-master.conf
    - 15-mailboxes.conf
    - 20-imapc.conf
    - auth-imap.conf.ext
  notify:
    - Restart Dovecot

- name: Start Dovecot
  service: name=dovecot state=started
  when: not r.changed

- meta: flush_handlers


- name: Install stunnel
  apt: pkg=stunnel4

- name: Auto-enable stunnel
  lineinfile: dest=/etc/default/stunnel4
              regexp='^(\s*#)?\s*ENABLED='
              line='ENABLED=1'
              owner=root group=root
              mode=0644

- name: Create /etc/stunnel/certs
  file: path=/etc/stunnel/certs
        state=directory
        owner=root group=root
        mode=0755

- name: Copy Dovecot's X.509 certificate
  # XXX: it's unfortunate that we have to store the whole CA chain...
  # for some reason stunnel's level 4 "verify" (CA chain and only verify
  # peer certificate) doesn't always work:
  # https://www.stunnel.org/pipermail/stunnel-users/2013-July/004249.html
  assemble: src=certs/dovecot remote_src=no
            dest=/etc/stunnel/certs/imap.fripost.org.pem
            owner=root group=root
            mode=0644
  register: r1
  notify:
    - Restart stunnel

- name: Copy slapd's X.509 certificate
  copy: src=certs/ldap/ldap.fripost.org.pem
        dest=/etc/stunnel/certs/ldap.fripost.org.pem
        owner=root group=root
        mode=0644
  register: r2
  notify:
    - Restart stunnel

- name: Configure stunnel
  copy: src=etc/stunnel/imap.conf
        dest=/etc/stunnel/imap.conf
        owner=root group=root
        mode=0644
  register: r3
  notify:
    - Restart stunnel

- name: Start stunnel
  service: name=stunnel4 pattern=/usr/bin/stunnel4 state=started
  when: not (r1.changed or r2.changed or r3.changed)

- meta: flush_handlers