'''
'''
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#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

Test.Summary = '''
Test tls server certificate verification options
Specifically update via traffic_ctl (reloadable)
'''

# Define default ATS
ts = Test.MakeATSProcess("ts", select_ports=True, enable_tls=True)
server_foo = Test.MakeOriginServer(
    "server_foo",
    ssl=True,
    options={
        "--key": "{0}/signed-foo.key".format(Test.RunDirectory),
        "--cert": "{0}/signed-foo.pem".format(Test.RunDirectory)
    })
server_bar = Test.MakeOriginServer(
    "server_bar",
    ssl=True,
    options={
        "--key": "{0}/signed-bar.key".format(Test.RunDirectory),
        "--cert": "{0}/signed-bar.pem".format(Test.RunDirectory)
    })
server = Test.MakeOriginServer("server", ssl=True)

request_foo_header = {"headers": "GET / HTTP/1.1\r\nHost: foo.com\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
request_bad_foo_header = {"headers": "GET / HTTP/1.1\r\nHost: bad_foo.com\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
request_bar_header = {"headers": "GET / HTTP/1.1\r\nHost: bar.com\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
request_bad_bar_header = {"headers": "GET / HTTP/1.1\r\nHost: bad_bar.com\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
response_header = {"headers": "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
server_foo.addResponse("sessionlog.json", request_foo_header, response_header)
server_foo.addResponse("sessionlog.json", request_bad_foo_header, response_header)
server_bar.addResponse("sessionlog.json", request_bar_header, response_header)
server_bar.addResponse("sessionlog.json", request_bad_bar_header, response_header)

# add ssl materials like key, certificates for the server
ts.addSSLfile("ssl/signed-foo.pem")
ts.addSSLfile("ssl/signed-foo.key")
ts.addSSLfile("ssl/signed-bar.pem")
ts.addSSLfile("ssl/signed-bar.key")
ts.addSSLfile("ssl/server.pem")
ts.addSSLfile("ssl/server.key")
ts.addSSLfile("ssl/signer.pem")
ts.addSSLfile("ssl/signer.key")

ts.Disk.remap_config.AddLine('map https://foo.com/ https://127.0.0.1:{0}'.format(server_foo.Variables.SSL_Port))
ts.Disk.remap_config.AddLine('map https://bad_foo.com/ https://127.0.0.1:{0}'.format(server_foo.Variables.SSL_Port))
ts.Disk.remap_config.AddLine('map https://bar.com/ https://127.0.0.1:{0}'.format(server_bar.Variables.SSL_Port))
ts.Disk.remap_config.AddLine('map https://bad_bar.com/ https://127.0.0.1:{0}'.format(server_bar.Variables.SSL_Port))
ts.Disk.remap_config.AddLine('map / https://127.0.0.1:{0}'.format(server.Variables.SSL_Port))

ts.Disk.ssl_multicert_config.AddLine('dest_ip=* ssl_cert_name=server.pem ssl_key_name=server.key')

# Case 1, global config policy=permissive properties=signature
#         override for foo.com policy=enforced properties=all
ts.Disk.records_config.update(
    {
        'proxy.config.ssl.server.cert.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.server.private_key.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.server.cipher_suite':
            'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES256-GCM-SHA384:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA:RC4-SHA:RC4-MD5:AES128-SHA:AES256-SHA:DES-CBC3-SHA!SRP:!DSS:!PSK:!aNULL:!eNULL:!SSLv2',
        # set global policy
        'proxy.config.ssl.client.verify.server.policy': 'ENFORCED',
        'proxy.config.ssl.client.verify.server.properties': 'ALL',
        'proxy.config.ssl.client.CA.cert.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.client.CA.cert.filename': 'signer.pem',
        'proxy.config.exec_thread.autoconfig.scale': 1.0,
        'proxy.config.url_remap.pristine_host_hdr': 1,
        'proxy.config.diags.debug.enabled': 0,
        'proxy.config.diags.debug.tags': 'ssl'
    })

tr = Test.AddTestRun("default-enforce-bad-sig")
tr.Setup.Copy("ssl/signed-foo.key")
tr.Setup.Copy("ssl/signed-foo.pem")
tr.Setup.Copy("ssl/signed-bar.key")
tr.Setup.Copy("ssl/signed-bar.pem")
tr.MakeCurlCommand("-k -H \"host: random2.com\"  https://127.0.0.1:{0}".format(ts.Variables.ssl_port), ts=ts)
tr.ReturnCode = 0
tr.Processes.Default.StartBefore(server_foo)
tr.Processes.Default.StartBefore(server_bar)
tr.Processes.Default.StartBefore(server)
tr.Processes.Default.StartBefore(Test.Processes.ts)
tr.StillRunningAfter = server
tr.StillRunningAfter = ts
tr.Processes.Default.Streams.stdout = Testers.ContainsExpression("Could Not Connect", "Curl attempt should have failed")

tr2 = Test.AddTestRun("Update config files")
recordspath = ts.Disk.records_config.AbsPath
# recreate the records.config with the cert filename changed
tr2.Disk.File(recordspath, id="records_config", typename="ats:config:records"),
tr2.Disk.records_config.update(
    {
        'proxy.config.ssl.server.cert.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.server.private_key.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.server.cipher_suite':
            'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES256-GCM-SHA384:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA:RC4-SHA:RC4-MD5:AES128-SHA:AES256-SHA:DES-CBC3-SHA!SRP:!DSS:!PSK:!aNULL:!eNULL:!SSLv2',
        # set global policy
        'proxy.config.ssl.client.verify.server.policy': 'PERMISSIVE',
        'proxy.config.ssl.client.verify.server.properties': 'ALL',
        'proxy.config.ssl.client.CA.cert.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.client.CA.cert.filename': 'signer.pem',
        'proxy.config.exec_thread.autoconfig.scale': 1.0,
        'proxy.config.url_remap.pristine_host_hdr': 1,
        'proxy.config.diags.debug.enabled': 0,
        'proxy.config.diags.debug.tags': 'ssl'
    })
tr2.StillRunningAfter = ts
tr2.StillRunningAfter = server
tr2.Processes.Default.Command = 'echo Updated configs'
# Need to copy over the environment so traffic_ctl knows where to find the unix domain socket
tr2.Processes.Default.Env = ts.Env
tr2.Processes.Default.ReturnCode = 0

# Change the config to PERMISSIVE.  Same command should work now
trreload = Test.AddTestRun("Reload config")
trreload.StillRunningAfter = ts
trreload.StillRunningAfter = server
# takes a few seconds for the reload to be ready for the next connection
trreload.Processes.Default.Command = 'traffic_ctl config reload; sleep 5'
# Need to copy over the environment so traffic_ctl knows where to find the unix domain socket
trreload.Processes.Default.Env = ts.Env
trreload.Processes.Default.ReturnCode = 0

tragain = Test.AddTestRun("permissive-after-update")
tragain.MakeCurlCommand("-k -H \"host: random3.com\"  https://127.0.0.1:{0}".format(ts.Variables.ssl_port), ts=ts)
tragain.ReturnCode = 0
tragain.StillRunningAfter = server
tragain.StillRunningAfter = ts
tragain.Processes.Default.Streams.stdout = Testers.ExcludesExpression("Could Not Connect", "Curl attempt should have succeeded")

tr2 = Test.AddTestRun("Update config files to enforced")
recordspath = ts.Disk.records_config.AbsPath
# recreate the records.config with the cert filename changed
tr2.Disk.File(recordspath, id="records_config", typename="ats:config:records"),
tr2.Disk.records_config.update(
    {
        'proxy.config.ssl.server.cert.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.server.private_key.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.server.cipher_suite':
            'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES256-GCM-SHA384:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA:RC4-SHA:RC4-MD5:AES128-SHA:AES256-SHA:DES-CBC3-SHA!SRP:!DSS:!PSK:!aNULL:!eNULL:!SSLv2',
        # set global policy
        'proxy.config.ssl.client.verify.server.policy': 'ENFORCED',
        'proxy.config.ssl.client.verify.server.properties': 'ALL',
        'proxy.config.ssl.client.CA.cert.path': '{0}'.format(ts.Variables.SSLDir),
        'proxy.config.ssl.client.CA.cert.filename': 'signer.pem',
        'proxy.config.exec_thread.autoconfig.scale': 1.0,
        'proxy.config.url_remap.pristine_host_hdr': 1,
        'proxy.config.diags.debug.enabled': 0,
        'proxy.config.diags.debug.tags': 'ssl'
    })
tr2.StillRunningAfter = ts
tr2.StillRunningAfter = server
tr2.Processes.Default.Command = 'echo Updated configs to ENFORCED'
# Need to copy over the environment so traffic_ctl knows where to find the unix domain socket
tr2.Processes.Default.Env = ts.Env
tr2.Processes.Default.ReturnCode = 0

trreload = Test.AddTestRun("Reload config again")
trreload.StillRunningAfter = ts
trreload.StillRunningAfter = server
# takes a few seconds for the reload to be ready for the next connection
trreload.Processes.Default.Command = 'traffic_ctl config reload; sleep 5'
# Need to copy over the environment so traffic_ctl knows where to find the unix domain socket
trreload.Processes.Default.Env = ts.Env
trreload.Processes.Default.ReturnCode = 0

tragain = Test.AddTestRun("enforced-after-update")
tragain.MakeCurlCommand("-k -H \"host: random4.com\"  https://127.0.0.1:{0}".format(ts.Variables.ssl_port), ts=ts)
tragain.ReturnCode = 0
tragain.StillRunningAfter = server
tragain.StillRunningAfter = ts
tragain.Processes.Default.Streams.stdout = Testers.ContainsExpression("Could Not Connect", "Curl attempt should have succeeded")

# No name checking for the sig-only permissive override for bad_bar
ts.Disk.diags_log.Content += Testers.ContainsExpression(
    r"Core server certificate verification failed for \(random3.com\). Action=Continue", "Permissive can connect")
ts.Disk.diags_log.Content += Testers.ContainsExpression(
    r"Core server certificate verification failed for \(random2.com\). Action=Terminate", "Enforced cannot connect")
