import os

import pytest

import testinfra.utils.ansible_runner


testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('clients')


def test_connectivity(host):
    """
    Tests connectivity to the XMPP server (ports that should be reachable).
    """

    with host.sudo():

        for server in ["parameters-mandatory",
                       "parameters-optional"]:
            # c2s plaintext, c2s TLS, file proxy, s2s.
            for port in [5222, 5223, 5000, 5269]:

                ping = host.run('hping3 -S -p %s -c 1 %s', str(port), server)
                assert ping.rc == 0


@pytest.mark.parametrize("username, password, domain", [
    ["john.doe", "johnpassword", "domain1"],
    ["jane.doe", "janepassword", "domain2"],
])
def test_tls(host, username, password, domain):
    """
    Tests if TLS works as expected.
    """

    send = host.run(f"echo 'Hello' | sendxmpp --tls-ca-path /usr/local/share/ca-certificates/testca.crt "
                    f"-t -u {username} -p {password} -j {domain}:5222 {username}@{domain}")
    assert send.rc == 0

    send = host.run(f"echo 'Hello' | sendxmpp --tls-ca-path /usr/local/share/ca-certificates/testca.crt "
                    f"-e -u {username} -p {password} -j {domain}:5223 {username}@{domain}")
    assert send.rc == 0


@pytest.mark.parametrize("username, password, domain", [
    ["john.doe", "johnpassword", "domain1"],
    ["jane.doe", "janepassword", "domain2"],
])
def test_authentication_requires_tls(host, username, password, domain):
    """
    Tests if authentication must be done over TLS.
    """

    command = host.run(f"echo 'Hello' | sendxmpp --tls-ca-path /usr/local/share/ca-certificates/testca.crt "
                       f"-u {username} -p {password} -j {domain}:5222 {username}@{domain} -d")
    assert "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'><required/></starttls>" in command.stderr


@pytest.mark.parametrize("username, password, domain", [
    ["john.doe", "johnpassword", "domain1"],
    ["jane.doe", "janepassword", "domain2"],
    ["mick.doe", "mickpassword", "domain3"],
])
def test_authentication(host, username, password, domain):
    """
    Tests if authentication works correctly.
    """

    send = host.run(f"echo 'Hello' | sendxmpp --tls-ca-path /usr/local/share/ca-certificates/testca.crt "
                    f"-t -u {username} -p {password} -j {domain}:5222 {username}@{domain}")
    assert send.rc == 0

    send = host.run(f"echo 'Hello' | sendxmpp --tls-ca-path /usr/local/share/ca-certificates/testca.crt "
                    f"-e -u {username} -p {password} -j {domain}:5223 {username}@{domain}")
    assert send.rc == 0


@pytest.mark.parametrize("target_username, target_domain", [
    ["john.doe", "domain1"],
    ["jane.doe", "domain2"],
])
def test_unauthorized_users_rejected(host, target_username, target_domain):
    """
    Tests if unauthorized users (present in LDAP, but not member of correct
    group) are rejected from accessing the XMPP server.
    """

    send = host.run(f"echo 'Hello' | sendxmpp --tls-ca-path /usr/local/share/ca-certificates/testca.crt "
                    f"-t -u noxmpp -p noxmpppassword -j {target_domain}:5222 {target_username}@{target_domain}")
    assert send.rc != 0
    assert "Error 'AuthSend': error: not-authorized[?]" in send.stderr