From 8110ef8687b155df7b24a6c083404f9624e6a160 Mon Sep 17 00:00:00 2001
From: drebs <drebs@riseup.net>
Date: Sat, 16 Sep 2017 08:58:34 -0300
Subject: [test] add e2e test for incoming mail pipeline

I had to include part of the bonafide source code because it was the
easiest way to interact with the webapp.

Closes: #8941
---
 tests/e2e/utils.py | 178 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 tests/e2e/utils.py

(limited to 'tests/e2e/utils.py')

diff --git a/tests/e2e/utils.py b/tests/e2e/utils.py
new file mode 100644
index 00000000..3fca28b8
--- /dev/null
+++ b/tests/e2e/utils.py
@@ -0,0 +1,178 @@
+import email
+import json
+import os
+import pytest
+import random
+import time
+import treq
+import urllib
+
+from string import ascii_lowercase
+from email.mime.text import MIMEText
+from subprocess import Popen, PIPE
+
+from twisted.internet import reactor
+from twisted.internet.defer import returnValue
+from twisted.web.client import Agent
+from twisted.web.client import BrowserLikePolicyForHTTPS
+from twisted.internet.ssl import Certificate
+from twisted.cred.credentials import UsernamePassword
+
+import pgpy
+from pgpy.constants import (
+    PubKeyAlgorithm,
+    KeyFlags,
+    HashAlgorithm,
+    SymmetricKeyAlgorithm,
+    CompressionAlgorithm
+)
+
+from bonafide import provider
+from bonafide.session import Session
+
+from leap.soledad.common.blobs import Flags
+
+
+_provider = 'cdev.bitmask.net'
+
+uri = "https://api.%s:4430/1/" % _provider
+ca = "https://%s/ca.crt" % _provider
+
+
+random.seed()
+
+
+#
+# session management: user creation and authentication
+#
+
+def _get_invite_code():
+    invite = os.environ.get('INVITE_CODE')
+    if not invite:
+        raise Exception('The INVITE_CODE environment variable is empty, but '
+                        'we need it set to interact with the provider.')
+    return invite
+
+
+@pytest.inlineCallbacks
+def _get_ca_file(tmpdir):
+    response = yield treq.get(ca)
+    pemdata = yield response.text()
+    fname = os.path.join(tmpdir.strpath, 'cacert.pem')
+    with open(fname, 'w') as f:
+        f.write(pemdata)
+    returnValue(fname)
+
+
+@pytest.inlineCallbacks
+def get_session(tmpdir):
+    # setup user params
+    invite = _get_invite_code()
+    username = ''.join(random.choice(ascii_lowercase) for i in range(20))
+    # users starting with "test_user" get removed by cron on a regular basis
+    username = 'tmp_user_e2e_' + username
+    passphrase = ''.join(random.choice(ascii_lowercase) for i in range(20))
+
+    # create user and login
+    credentials = UsernamePassword(username, passphrase)
+    api = provider.Api('https://api.%s:4430' % _provider)
+    cdev_pem = yield _get_ca_file(tmpdir)
+    session = Session(credentials, api, cdev_pem)
+    print("creating user")
+    yield session.signup(username, passphrase, invite=invite)
+    print("logging in")
+    yield session.authenticate()
+    returnValue(session)
+
+
+#
+# OpenPGP key creation and upload
+#
+
+def gen_key(username):
+    print("generating OpenPGP key pair")
+    key = pgpy.PGPKey.new(PubKeyAlgorithm.RSAEncryptOrSign, 4096)
+    uid = pgpy.PGPUID.new(username, email='%s@%s' % (username, _provider))
+    key.add_uid(
+        uid,
+        usage={KeyFlags.EncryptCommunications},
+        hashes=[HashAlgorithm.SHA512],
+        ciphers=[SymmetricKeyAlgorithm.AES256],
+        compression=[CompressionAlgorithm.Uncompressed]
+    )
+    return key
+
+
+@pytest.inlineCallbacks
+def _get_http_client():
+    response = yield treq.get(ca)
+    pemdata = yield response.text()
+    cert = Certificate.loadPEM(pemdata)
+    policy = BrowserLikePolicyForHTTPS(trustRoot=cert)
+    agent = Agent(reactor, contextFactory=policy)
+    client = treq.client.HTTPClient(agent)
+    returnValue(client)
+
+
+@pytest.inlineCallbacks
+def put_key(uuid, token, data):
+    print("uploading public key to server")
+    client = yield _get_http_client()
+    headers = {
+        'Authorization': [str('Token token=%s' % token)],
+        'Content-Type': ['application/x-www-form-urlencoded'],
+    }
+    data = str(urllib.urlencode({'user[public_key]': data}))
+    response = yield client.put(
+        '%s/users/%s.json' % (uri, uuid),
+        headers=headers,
+        data=data)
+    assert response.code == 204
+
+
+#
+# mail sending
+#
+
+def send_email(username):
+    address = "%s@%s" % (username, _provider)
+    print("sending email to %s" % address)
+    secret = ''.join(random.choice(ascii_lowercase) for i in range(20))
+    msg = MIMEText(secret)
+    msg["To"] = address
+    msg["Subject"] = "e2e test token"
+    p = Popen(["/usr/sbin/sendmail", "-t"], stdin=PIPE)
+    p.communicate(msg.as_string())
+    return secret
+
+
+#
+# incoming message retrieval
+#
+
+@pytest.inlineCallbacks
+def get_incoming_fd(client):
+    pending = []
+    attempts = 1
+    while not pending:
+        print("attempting to fetch incoming blob (%d/10)" % attempts)
+        pending = yield client.blobmanager.remote_list(
+            namespace='MX', filter_flags=Flags.PENDING)
+        if not pending and attempts == 10:
+            raise Exception("Timed out waiting for message to get delivered.")
+        attempts += 1
+        time.sleep(1)
+    assert len(pending) == 1
+    fd = yield client.blobmanager.get(pending.pop(), namespace='MX')
+    returnValue(fd)
+
+
+def get_received_secret(key, fd):
+    print("decoding incoming blob to get the secret")
+    encrypted = pgpy.PGPMessage.from_blob(fd.read())
+    decrypted = key.decrypt(encrypted)
+    doc_content = json.loads(decrypted.message)
+    content = doc_content['content']
+    email_message = email.message_from_string(content)
+    received_secret = email_message.get_payload().strip()
+    return received_secret
-- 
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