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Co-authored-by: missytake <missytake@systemli.org>

README.md

@@ -25,54 +25,56 @@ DNS domain name (FQDN), for example `chat.example.org`.
         ssh root@CHATMAIL_DOMAIN 
    ```
 
-2. Install the `cmdeploy` command in a virtualenv 
+2. Install the `cmdeploy` command in a virtualenv
 
    ```
-    source scripts/initenv.sh
+    git clone https://github.com/deltachat/chatmail
+    cd chatmail
+    scripts/initenv.sh
    ```
   
 3. Create chatmail configuration file `chatmail.ini`:
 
    ```
-    cmdeploy init CHATMAIL_DOMAIN
+    scripts/cmdeploy init CHATMAIL_DOMAIN
    ```
 
 4. Deploy to the remote chatmail server:
 
    ```
-    cmdeploy run 
+    scripts/cmdeploy run
    ```
 
 5. To output a DNS zone file from which you can transfer DNS records 
    to your DNS provider:
 
    ```
-    cmdeploy dns
+    scripts/cmdeploy dns
    ```
 
 6. To check status of your remotely running chatmail service: 
 
    ```
-    cmdeploy status
+    scripts/cmdeploy status
    ```
 
 7. To test your chatmail service: 
 
    ```
-    cmdeploy test
+    scripts/cmdeploy test
    ```
 
 8. To benchmark your chatmail service: 
 
    ```
-    cmdeploy bench
+    scripts/cmdeploy bench
    ```
 
 ### Refining the web pages 
 
 
 ``` 
-    cmdeploy webdev 
+    scripts/cmdeploy webdev 
 ```
 
 This starts a local live development cycle for chatmail Web pages: 

chatmaild/src/chatmaild/config.py

@@ -11,9 +11,15 @@ class Config:
         self._inipath = inipath
         self.mail_domain = params["mail_domain"]
         self.max_user_send_per_minute = int(params["max_user_send_per_minute"])
+        self.max_mailbox_size = params["max_mailbox_size"]
+        self.delete_mails_after = params["delete_mails_after"]
+        self.username_min_length = int(params["username_min_length"])
+        self.username_max_length = int(params["username_max_length"])
+        self.password_min_length = int(params["password_min_length"])
+        self.passthrough_senders = params["passthrough_senders"].split()
+        self.passthrough_recipients = params["passthrough_recipients"].split()
         self.filtermail_smtp_port = int(params["filtermail_smtp_port"])
         self.postfix_reinject_port = int(params["postfix_reinject_port"])
-        self.passthrough_recipients = params["passthrough_recipients"].split()
         self.privacy_postal = params.get("privacy_postal")
         self.privacy_mail = params.get("privacy_mail")
         self.privacy_pdo = params.get("privacy_pdo")

chatmaild/src/chatmaild/doveauth.py

@@ -12,6 +12,7 @@ from socketserver import (
 import pwd
 
 from .database import Database
+from .config import read_config, Config
 
 NOCREATE_FILE = "/etc/chatmail-nocreate"
 
@@ -22,14 +23,17 @@ def encrypt_password(password: str):
     return "{SHA512-CRYPT}" + passhash
 
 
-def is_allowed_to_create(user, cleartext_password) -> bool:
+def is_allowed_to_create(config: Config, user, cleartext_password) -> bool:
     """Return True if user and password are admissable."""
     if os.path.exists(NOCREATE_FILE):
         logging.warning(f"blocked account creation because {NOCREATE_FILE!r} exists.")
         return False
 
-    if len(cleartext_password) < 9:
-        logging.warning("Password needs to be at least 9 characters long")
+    if len(cleartext_password) < config.password_min_length:
+        logging.warning(
+            "Password needs to be at least %s characters long",
+            config.password_min_length,
+        )
         return False
 
     parts = user.split("@")
@@ -38,11 +42,17 @@ def is_allowed_to_create(user, cleartext_password) -> bool:
         return False
     localpart, domain = parts
 
-    if domain == "nine.testrun.org":
-        # nine.testrun.org policy, username has to be exactly nine chars
-        if len(localpart) != 9:
-            logging.warning(f"localpart {localpart!r} has not exactly nine chars")
-            return False
+    if (
+        len(localpart) > config.username_max_length
+        or len(localpart) < config.username_min_length
+    ):
+        logging.warning(
+            "localpart %s has to be between %s and %s chars long",
+            localpart,
+            config.username_min_length,
+            config.username_max_length,
+        )
+        return False
 
     return True
 
@@ -60,7 +70,7 @@ def lookup_userdb(db, user):
     return get_user_data(db, user)
 
 
-def lookup_passdb(db, user, cleartext_password):
+def lookup_passdb(db, config: Config, user, cleartext_password):
     with db.write_transaction() as conn:
         userdata = conn.get_user(user)
         if userdata:
@@ -72,7 +82,7 @@ def lookup_passdb(db, user, cleartext_password):
             userdata["uid"] = "vmail"
             userdata["gid"] = "vmail"
             return userdata
-        if not is_allowed_to_create(user, cleartext_password):
+        if not is_allowed_to_create(config, user, cleartext_password):
             return
 
         encrypted_password = encrypt_password(cleartext_password)
@@ -87,7 +97,7 @@ def lookup_passdb(db, user, cleartext_password):
         )
 
 
-def handle_dovecot_request(msg, db, mail_domain):
+def handle_dovecot_request(msg, db, config: Config):
     short_command = msg[0]
     if short_command == "L":  # LOOKUP
         parts = msg[1:].split("\t")
@@ -97,15 +107,15 @@ def handle_dovecot_request(msg, db, mail_domain):
         res = ""
         if namespace == "shared":
             if type == "userdb":
-                if user.endswith(f"@{mail_domain}"):
+                if user.endswith(f"@{config.mail_domain}"):
                     res = lookup_userdb(db, user)
                 if res:
                     reply_command = "O"
                 else:
                     reply_command = "N"
             elif type == "passdb":
-                if user.endswith(f"@{mail_domain}"):
-                    res = lookup_passdb(db, user, cleartext_password=args[0])
+                if user.endswith(f"@{config.mail_domain}"):
+                    res = lookup_passdb(db, config, user, cleartext_password=args[0])
                 if res:
                     reply_command = "O"
                 else:
@@ -123,8 +133,7 @@ def main():
     socket = sys.argv[1]
     passwd_entry = pwd.getpwnam(sys.argv[2])
     db = Database(sys.argv[3])
-    with open("/etc/mailname", "r") as fp:
-        mail_domain = fp.read().strip()
+    config = read_config(sys.argv[4])
 
     class Handler(StreamRequestHandler):
         def handle(self):
@@ -133,7 +142,7 @@ def main():
                     msg = self.rfile.readline().strip().decode()
                     if not msg:
                         break
-                    res = handle_dovecot_request(msg, db, mail_domain)
+                    res = handle_dovecot_request(msg, db, config)
                     if res:
                         self.wfile.write(res.encode("ascii"))
                         self.wfile.flush()

chatmaild/src/chatmaild/doveauth.service.f

@@ -2,7 +2,7 @@
 Description=Chatmail dict authentication proxy for dovecot
 
 [Service]
-ExecStart={execpath} /run/dovecot/doveauth.socket vmail /home/vmail/passdb.sqlite
+ExecStart={execpath} /run/dovecot/doveauth.socket vmail /home/vmail/passdb.sqlite {config_path}
 Restart=always
 RestartSec=30
 

chatmaild/src/chatmaild/filtermail.py

@@ -111,6 +111,9 @@ class BeforeQueueHandler:
         if not mail_encrypted and check_mdn(message, envelope):
             return
 
+        if envelope.mail_from in self.config.passthrough_senders:
+            return
+
         passthrough_recipients = self.config.passthrough_recipients
         envelope_from_domain = from_addr.split("@").pop()
         for recipient in envelope.rcpt_tos:

chatmaild/src/chatmaild/ini/chatmail.ini.f

@@ -7,18 +7,48 @@ mail_domain = {mail_domain}
 # If you only do private test deploys, you don't need to modify any settings below
 #
 
+#
+# Account Restrictions
+#
+
 # how many mails a user can send out per minute
 max_user_send_per_minute = 60
 
+# maximum mailbox size of a chatmail account
+max_mailbox_size = 100M
+
+# time after which seen mails are deleted
+delete_mails_after = 40d
+
+# minimum length a username must have
+username_min_length = 9
+
+# maximum length a username can have
+username_max_length = 9
+
+# minimum length a password must have
+password_min_length = 9
+
+# list of chatmail accounts which can send outbound un-encrypted mail
+passthrough_senders =
+
 # list of e-mail recipients for which to accept outbound un-encrypted mails
 passthrough_recipients =
 
+#
+# Deployment Details
+#
+
 # where the filtermail SMTP service listens
 filtermail_smtp_port = 10080
 
 # postfix accepts on the localhost reinject SMTP port
 postfix_reinject_port = 10025
 
+#
+# Privacy Policy
+#
+
 # postal address of privacy contact
 privacy_postal =
 

chatmaild/src/chatmaild/newemail.py

@@ -1,23 +1,25 @@
-#!/usr/bin/python3
+#!/usr/local/lib/chatmaild/venv/bin/python3
 
 """ CGI script for creating new accounts. """
 
 import json
 import random
 
-mail_domain_path = "/etc/mailname"
+from chatmaild.config import read_config, Config
+
+CONFIG_PATH = "/usr/local/lib/chatmaild/chatmail.ini"
 
 
-def create_newemail_dict(domain):
+def create_newemail_dict(config: Config):
     alphanumeric = "abcdefghijklmnopqrstuvwxyz1234567890"
-    user = "".join(random.choices(alphanumeric, k=9))
-    password = "".join(random.choices(alphanumeric, k=12))
-    return dict(email=f"{user}@{domain}", password=f"{password}")
+    user = "".join(random.choices(alphanumeric, k=config.username_min_length))
+    password = "".join(random.choices(alphanumeric, k=config.password_min_length + 3))
+    return dict(email=f"{user}@{config.mail_domain}", password=f"{password}")
 
 
 def print_new_account():
-    domain = open(mail_domain_path).read().strip()
-    creds = create_newemail_dict(domain=domain)
+    config = read_config(CONFIG_PATH)
+    creds = create_newemail_dict(config)
 
     print("Content-Type: application/json")
     print("")

chatmaild/src/chatmaild/tests/test_config.py

@@ -1,17 +1,16 @@
 from chatmaild.config import read_config
 
 
-def test_read_config_basic(make_config):
-    config = make_config("chat.example.org")
-    assert config.mail_domain == "chat.example.org"
-    assert not config.privacy_supervisor and not config.privacy_mail
-    assert not config.privacy_pdo and not config.privacy_postal
+def test_read_config_basic(example_config):
+    assert example_config.mail_domain == "chat.example.org"
+    assert not example_config.privacy_supervisor and not example_config.privacy_mail
+    assert not example_config.privacy_pdo and not example_config.privacy_postal
 
-    inipath = config._inipath
+    inipath = example_config._inipath
     inipath.write_text(inipath.read_text().replace("60", "37"))
-    config = read_config(inipath)
-    assert config.max_user_send_per_minute == 37
-    assert config.mail_domain == "chat.example.org"
+    example_config = read_config(inipath)
+    assert example_config.max_user_send_per_minute == 37
+    assert example_config.mail_domain == "chat.example.org"
 
 
 def test_read_config_testrun(make_config):
@@ -24,4 +23,10 @@ def test_read_config_testrun(make_config):
     assert config.filtermail_smtp_port == 10080
     assert config.postfix_reinject_port == 10025
     assert config.max_user_send_per_minute == 60
-    assert config.passthrough_recipients
+    assert config.max_mailbox_size == "100M"
+    assert config.delete_mails_after == "40d"
+    assert config.username_min_length == 9
+    assert config.username_max_length == 9
+    assert config.password_min_length == 9
+    assert config.passthrough_recipients == ["privacy@testrun.org"]
+    assert config.passthrough_senders == []

chatmaild/src/chatmaild/tests/test_doveauth.py

@@ -9,29 +9,35 @@ from chatmaild.doveauth import get_user_data, lookup_passdb, handle_dovecot_requ
 from chatmaild.database import DBError
 
 
-def test_basic(db):
-    lookup_passdb(db, "link2xt@c1.testrun.org", "Pieg9aeToe3eghuthe5u")
-    data = get_user_data(db, "link2xt@c1.testrun.org")
+def test_basic(db, example_config):
+    lookup_passdb(db, example_config, "asdf12345@chat.example.org", "q9mr3faue")
+    data = get_user_data(db, "asdf12345@chat.example.org")
     assert data
-    data2 = lookup_passdb(db, "link2xt@c1.testrun.org", "Pieg9aeToe3eghuthe5u")
+    data2 = lookup_passdb(
+        db, example_config, "asdf12345@chat.example.org", "q9mr3jewvadsfaue"
+    )
     assert data == data2
 
 
-def test_dont_overwrite_password_on_wrong_login(db):
+def test_dont_overwrite_password_on_wrong_login(db, example_config):
     """Test that logging in with a different password doesn't create a new user"""
-    res = lookup_passdb(db, "newuser1@something.org", "kajdlkajsldk12l3kj1983")
+    res = lookup_passdb(
+        db, example_config, "newuser12@chat.example.org", "kajdlkajsldk12l3kj1983"
+    )
     assert res["password"]
-    res2 = lookup_passdb(db, "newuser1@something.org", "kajdlqweqwe")
+    res2 = lookup_passdb(db, example_config, "newuser12@chat.example.org", "kajdslqwe")
     # this function always returns a password hash, which is actually compared by dovecot.
     assert res["password"] == res2["password"]
 
 
-def test_nocreate_file(db, monkeypatch, tmpdir):
+def test_nocreate_file(db, monkeypatch, tmpdir, example_config):
     p = tmpdir.join("nocreate")
     p.write("")
     monkeypatch.setattr(chatmaild.doveauth, "NOCREATE_FILE", str(p))
-    lookup_passdb(db, "newuser1@something.org", "zequ0Aimuchoodaechik")
-    assert not get_user_data(db, "newuser1@something.org")
+    lookup_passdb(
+        db, example_config, "newuser12@chat.example.org", "zequ0Aimuchoodaechik"
+    )
+    assert not get_user_data(db, "newuser12@chat.example.org")
 
 
 def test_db_version(db):
@@ -45,21 +51,21 @@ def test_too_high_db_version(db):
         db.ensure_tables()
 
 
-def test_handle_dovecot_request(db):
+def test_handle_dovecot_request(db, example_config):
     msg = (
         "Lshared/passdb/laksjdlaksjdlaksjdlk12j3l1k2j3123/"
-        "some42@c3.testrun.org\tsome42@c3.testrun.org"
+        "some42123@chat.example.org\tsome42123@chat.example.org"
     )
-    res = handle_dovecot_request(msg, db, "c3.testrun.org")
+    res = handle_dovecot_request(msg, db, example_config)
     assert res
     assert res[0] == "O" and res.endswith("\n")
     userdata = json.loads(res[1:].strip())
-    assert userdata["home"] == "/home/vmail/some42@c3.testrun.org"
+    assert userdata["home"] == "/home/vmail/some42123@chat.example.org"
     assert userdata["uid"] == userdata["gid"] == "vmail"
     assert userdata["password"].startswith("{SHA512-CRYPT}")
 
 
-def test_50_concurrent_lookups_different_accounts(db, gencreds):
+def test_50_concurrent_lookups_different_accounts(db, gencreds, example_config):
     num_threads = 50
     req_per_thread = 5
     results = queue.Queue()
@@ -68,7 +74,7 @@ def test_50_concurrent_lookups_different_accounts(db, gencreds):
         for i in range(req_per_thread):
             addr, password = gencreds()
             try:
-                lookup_passdb(db, addr, password)
+                lookup_passdb(db, example_config, addr, password)
             except Exception:
                 results.put(traceback.format_exc())
             else:

chatmaild/src/chatmaild/tests/test_filtermail.py

@@ -127,3 +127,19 @@ def test_excempt_privacy(maildata, gencreds, handler):
         content = msg.as_bytes()
 
     assert "500" in handler.check_DATA(envelope=env2)
+
+
+def test_passthrough_senders(gencreds, handler, maildata):
+    acc1 = gencreds()[0]
+    to_addr = "recipient@something.org"
+    handler.config.passthrough_senders = [acc1]
+
+    msg = maildata("plain.eml", acc1, to_addr)
+
+    class env:
+        mail_from = acc1
+        rcpt_tos = to_addr
+        content = msg.as_bytes()
+
+    # assert that None/no error is returned
+    assert not handler.check_DATA(envelope=env)

chatmaild/src/chatmaild/tests/test_newmail.py

@@ -4,26 +4,24 @@ import chatmaild
 from chatmaild.newemail import create_newemail_dict, print_new_account
 
 
-def test_create_newemail_dict():
-    ac1 = create_newemail_dict(domain="example.org")
+def test_create_newemail_dict(example_config):
+    ac1 = create_newemail_dict(example_config)
     assert "@" in ac1["email"]
     assert len(ac1["password"]) >= 10
 
-    ac2 = create_newemail_dict(domain="example.org")
+    ac2 = create_newemail_dict(example_config)
 
     assert ac1["email"] != ac2["email"]
     assert ac1["password"] != ac2["password"]
 
 
-def test_print_new_account(capsys, monkeypatch, maildomain, tmpdir):
-    p = tmpdir.join("mailname")
-    p.write(maildomain)
-    monkeypatch.setattr(chatmaild.newemail, "mail_domain_path", str(p))
+def test_print_new_account(capsys, monkeypatch, maildomain, tmpdir, example_config):
+    monkeypatch.setattr(chatmaild.newemail, "CONFIG_PATH", str(example_config._inipath))
     print_new_account()
     out, err = capsys.readouterr()
     lines = out.split("\n")
     assert lines[0] == "Content-Type: application/json"
     assert not lines[1]
     dic = json.loads(lines[2])
-    assert dic["email"].endswith(f"@{maildomain}")
+    assert dic["email"].endswith(f"@{example_config.mail_domain}")
     assert len(dic["password"]) >= 10

cmdeploy/src/cmdeploy/__init__.py

@@ -243,7 +243,7 @@ def _configure_postfix(config: Config, debug: bool = False) -> bool:
     return need_restart
 
 
-def _configure_dovecot(mail_server: str, debug: bool = False) -> bool:
+def _configure_dovecot(config: Config, debug: bool = False) -> bool:
     """Configures Dovecot IMAP server."""
     need_restart = False
 
@@ -253,7 +253,7 @@ def _configure_dovecot(mail_server: str, debug: bool = False) -> bool:
         user="root",
         group="root",
         mode="644",
-        config={"hostname": mail_server},
+        config=config,
         debug=debug,
     )
     need_restart |= main_config.changed
@@ -266,14 +266,13 @@ def _configure_dovecot(mail_server: str, debug: bool = False) -> bool:
     )
     need_restart |= auth_config.changed
 
-    files.put(
-        src=importlib.resources.files(__package__)
-        .joinpath("dovecot/expunge.cron")
-        .open("rb"),
+    files.template(
+        src=importlib.resources.files(__package__).joinpath("dovecot/expunge.cron.j2"),
         dest="/etc/cron.d/expunge",
         user="root",
         group="root",
         mode="644",
+        config=config,
     )
 
     # as per https://doc.dovecot.org/configuration_manual/os/
@@ -379,6 +378,20 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
         system=True,
     )
 
+    # Run local DNS resolver `unbound`.
+    # `resolvconf` takes care of setting up /etc/resolv.conf
+    # to use 127.0.0.1 as the resolver.
+    apt.packages(
+        name="Install unbound",
+        packages="unbound",
+    )
+    systemd.service(
+        name="Start and enable unbound",
+        service="unbound.service",
+        running=True,
+        enabled=True,
+    )
+
     # Deploy acmetool to have TLS certificates.
     deploy_acmetool(nginx_hook=True, domains=[mail_server, f"mta-sts.{mail_server}"])
 
@@ -423,7 +436,7 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
 
     _install_remote_venv_with_chatmaild(config)
     debug = False
-    dovecot_need_restart = _configure_dovecot(mail_server, debug=debug)
+    dovecot_need_restart = _configure_dovecot(config, debug=debug)
     postfix_need_restart = _configure_postfix(config, debug=debug)
     opendkim_need_restart = _configure_opendkim(mail_domain, dkim_selector)
     mta_sts_need_restart = _install_mta_sts_daemon()

cmdeploy/src/cmdeploy/cmdeploy.py

@@ -110,6 +110,15 @@ def status_cmd(args, out):
             print(line)
 
 
+def test_cmd_options(parser):
+    parser.add_argument(
+        "--slow",
+        dest="slow",
+        action="store_true",
+        help="also run slow tests",
+    )
+
+
 def test_cmd(args, out):
     """Run local and online tests for chatmail deployment.
 
@@ -121,9 +130,18 @@ def test_cmd(args, out):
         out.check_call(f"{sys.executable} -m pip install deltachat")
 
     pytest_path = shutil.which("pytest")
-    ret = out.run_ret(
-        [pytest_path, "cmdeploy/src/", "-n4", "-rs", "-x", "-vrx", "--durations=5"]
-    )
+    pytest_args = [
+        pytest_path,
+        "cmdeploy/src/",
+        "-n4",
+        "-rs",
+        "-x",
+        "-vrx",
+        "--durations=5",
+    ]
+    if args.slow:
+        pytest_args.append("--slow")
+    ret = out.run_ret(pytest_args)
     return ret
 
 
@@ -145,7 +163,7 @@ def fmt_cmd_options(parser):
 
 
 def fmt_cmd(args, out):
-    """Run formattting fixes (fuff and black) on all chatmail source code."""
+    """Run formattting fixes (ruff and black) on all chatmail source code."""
 
     sources = [str(importlib.resources.files(x)) for x in ("chatmaild", "cmdeploy")]
     black_args = [shutil.which("black")]

cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2

@@ -86,7 +86,7 @@ plugin {
 plugin {
   # for now we define static quota-rules for all users 
   quota = maildir:User quota
-  quota_rule = *:storage=100M
+  quota_rule = *:storage={{ config.max_mailbox_size }}
   quota_max_mail_size=30M
   quota_grace = 0
   # quota_over_flag_value = TRUE
@@ -137,8 +137,8 @@ service imap-login {
 }
 
 ssl = required
-ssl_cert = </var/lib/acme/live/{{ config.hostname }}/fullchain
-ssl_key = </var/lib/acme/live/{{ config.hostname }}/privkey
+ssl_cert = </var/lib/acme/live/{{ config.mail_domain }}/fullchain
+ssl_key = </var/lib/acme/live/{{ config.mail_domain }}/privkey
 ssl_dh = </usr/share/dovecot/dh.pem
 ssl_min_protocol = TLSv1.2
 ssl_prefer_server_ciphers = yes

cmdeploy/src/cmdeploy/dovecot/expunge.cron

@@ -1,4 +0,0 @@
-2 0 * * * dovecot doveadm expunge -A SEEN BEFORE 40d INBOX
-2 0 * * * dovecot doveadm expunge -A SEEN BEFORE 40d Deltachat
-2 0 * * * dovecot doveadm expunge -A SEEN BEFORE 40d Trash
-2 30 * * * dovecot doveadm purge -A

cmdeploy/src/cmdeploy/dovecot/expunge.cron.j2

@@ -0,0 +1,4 @@
+2 0 * * * dovecot doveadm expunge -A SEEN BEFORE {{ config.delete_mails_after }} INBOX
+2 0 * * * dovecot doveadm expunge -A SEEN BEFORE {{ config.delete_mails_after }} Deltachat
+2 0 * * * dovecot doveadm expunge -A SEEN BEFORE {{ config.delete_mails_after }} Trash
+2 30 * * * dovecot doveadm purge -A

cmdeploy/src/cmdeploy/tests/online/benchmark.py

@@ -39,22 +39,22 @@ class TestDC:
         ac1, ac2 = cmfactory.get_online_accounts(2)
         chat = cmfactory.get_accepted_chat(ac1, ac2)
 
-        def ping_pong():
+        def dc_ping_pong():
             chat.send_text("ping")
             msg = ac2.wait_next_incoming_message()
             msg.chat.send_text("pong")
             ac1.wait_next_incoming_message()
 
-        benchmark(ping_pong, 5)
+        benchmark(dc_ping_pong, 5)
 
     def test_send_10_receive_10(self, benchmark, cmfactory, lp):
         ac1, ac2 = cmfactory.get_online_accounts(2)
         chat = cmfactory.get_accepted_chat(ac1, ac2)
 
-        def send_10_receive_10():
+        def dc_send_10_receive_10():
             for i in range(10):
                 chat.send_text(f"hello {i}")
             for i in range(10):
                 ac2.wait_next_incoming_message()
 
-        benchmark(send_10_receive_10, 5)
+        benchmark(dc_send_10_receive_10, 5)

cmdeploy/src/cmdeploy/tests/online/test_0_qr.py

@@ -1,6 +1,16 @@
+import requests
+
 from cmdeploy.genqr import gen_qr_png_data
 
 
 def test_gen_qr_png_data(maildomain):
     data = gen_qr_png_data(maildomain)
     assert data
+
+
+def test_fastcgi_working(maildomain, chatmail_config):
+    url = f"https://{maildomain}/cgi-bin/newemail.py"
+    print(url)
+    res = requests.post(url)
+    assert maildomain in res.json().get("email")
+    assert len(res.json().get("password")) > chatmail_config.password_min_length

cmdeploy/src/cmdeploy/tests/online/test_1_basic.py

@@ -43,18 +43,18 @@ def test_reject_forged_from(cmsetup, maildata, gencreds, lp, forgeaddr):
 
 
 @pytest.mark.slow
-def test_exceed_rate_limit(cmsetup, gencreds, maildata):
+def test_exceed_rate_limit(cmsetup, gencreds, maildata, chatmail_config):
     """Test that the per-account send-mail limit is exceeded."""
     user1, user2 = cmsetup.gen_users(2)
     mail = maildata(
         "encrypted.eml", from_addr=user1.addr, to_addr=user2.addr
     ).as_string()
-    for i in range(100):
+    for i in range(chatmail_config.max_user_send_per_minute + 5):
         print("Sending mail", str(i))
         try:
             user1.smtp.sendmail(user1.addr, [user2.addr], mail)
         except smtplib.SMTPException as e:
-            if i < 60:
+            if i < chatmail_config.max_user_send_per_minute:
                 pytest.fail(f"rate limit was exceeded too early with msg {i}")
             outcome = e.recipients[user2.addr]
             assert outcome[0] == 450

cmdeploy/src/cmdeploy/tests/online/test_2_deltachat.py

@@ -1,4 +1,5 @@
 import time
+import re
 import random
 import pytest
 
@@ -20,14 +21,24 @@ class TestEndToEndDeltaChat:
         assert msg2.text == "message0"
 
     @pytest.mark.slow
-    def test_exceed_quota(self, cmfactory, lp, tmpdir, remote):
+    def test_exceed_quota(self, cmfactory, lp, tmpdir, remote, chatmail_config):
         """This is a very slow test as it needs to upload >100MB of mail data
         before quota is exceeded, and thus depends on the speed of the upload.
         """
         ac1, ac2 = cmfactory.get_online_accounts(2)
         chat = cmfactory.get_accepted_chat(ac1, ac2)
 
-        quota = 1024 * 1024 * 100
+        def parse_size_limit(limit: str) -> int:
+            """Parse a size limit and return the number of bytes as integer.
+
+            Example input: 100M, 2.4T, 500 K
+            """
+            units = {"B": 1, "K": 2**10, "M": 2**20, "G": 2**30, "T": 2**40}
+            size = re.sub(r"([KMGT])", r" \1", limit.upper())
+            number, unit = [string.strip() for string in size.split()]
+            return int(float(number) * units[unit])
+
+        quota = parse_size_limit(chatmail_config.max_mailbox_size)
         attachsize = 1 * 1024 * 1024
         num_to_send = quota // attachsize + 2
         lp.sec(f"ac1: send {num_to_send} large files to ac2")

cmdeploy/src/cmdeploy/tests/plugin.py

@@ -228,18 +228,25 @@ def imap_or_smtp(request):
 
 
 @pytest.fixture
-def gencreds(maildomain):
+def gencreds(chatmail_config):
     count = itertools.count()
     next(count)
 
     def gen(domain=None):
-        domain = domain if domain else maildomain
+        domain = domain if domain else chatmail_config.mail_domain
         while 1:
             num = next(count)
             alphanumeric = "abcdefghijklmnopqrstuvwxyz1234567890"
-            user = "".join(random.choices(alphanumeric, k=10))
-            user = f"ac{num}_{user}"[:9]
-            password = "".join(random.choices(alphanumeric, k=12))
+            user = "".join(
+                random.choices(alphanumeric, k=chatmail_config.username_max_length)
+            )
+            if domain == "nine.testrun.org":
+                user = f"ac{num}_{user}"[:9]
+            else:
+                user = f"ac{num}_{user}"[: chatmail_config.username_max_length]
+            password = "".join(
+                random.choices(alphanumeric, k=chatmail_config.password_min_length)
+            )
             yield f"{user}@{domain}", f"{password}"
 
     return lambda domain=None: next(gen(domain))

cmdeploy/src/cmdeploy/www.py

@@ -36,6 +36,53 @@ def build_webpages(src_dir, build_dir, config):
         print(traceback.format_exc())
 
 
+def timespan_to_english(timespan):
+    val = int(timespan[:-1])
+    c = timespan[-1].lower()
+    match c:
+        case "y":
+            return f"{val} years"
+        case "m":
+            return f"{val} months"
+        case "w":
+            return f"{val} weeks"
+        case "d":
+            return f"{val} days"
+        case "h":
+            return f"{val} hours"
+        case "c":
+            return f"{val} seconds"
+        case _:
+            raise ValueError(
+                c
+                + " is not a valid time unit. Try [y]ears, [w]eeks, [d]ays, or [h]ours"
+            )
+
+
+def int_to_english(number):
+    if number >= 0 and number <= 12:
+        a = [
+            "zero",
+            "one",
+            "two",
+            "three",
+            "four",
+            "five",
+            "six",
+            "seven",
+            "eight",
+            "nine",
+            "ten",
+            "eleven",
+            "twelve",
+        ]
+        return a[number]
+    elif number <= 50:
+        return str(number)
+    if number > 50:
+        return "more"
+
+
 def _build_webpages(src_dir, build_dir, config):
     mail_domain = config.mail_domain
     assert src_dir.exists(), src_dir
@@ -48,6 +95,18 @@ def _build_webpages(src_dir, build_dir, config):
     for path in src_dir.iterdir():
         if path.suffix == ".md":
             render_vars, content = prepare_template(path)
+            render_vars["username_min_length"] = int_to_english(
+                config.username_min_length
+            )
+            render_vars["username_max_length"] = int_to_english(
+                config.username_max_length
+            )
+            render_vars["password_min_length"] = int_to_english(
+                config.password_min_length
+            )
+            render_vars["delete_mails_after"] = timespan_to_english(
+                config.delete_mails_after
+            )
             target = build_dir.joinpath(path.stem + ".html")
 
             # recursive jinja2 rendering

scripts/cmdeploy

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+#
+# Wrapper for cmdelpoy to run it in activated virtualenv.
+set -e
+. venv/bin/activate
+cmdeploy "$@"

scripts/initenv.sh

@@ -4,6 +4,3 @@ python3 -m venv venv
 
 venv/bin/pip install -e chatmaild 
 venv/bin/pip install -e cmdeploy
-
-source venv/bin/activate
-echo activated 'venv' python virtualenv environment containing "cmdeploy" tool

www/src/index.md

@@ -1,5 +1,5 @@
 
-<img width="800px" src="collage-top.png"/>
+<img class="banner" src="collage-top.png"/>
 
 ## Dear [Delta Chat](https://get.delta.chat) users and newcomers, 
 
@@ -14,6 +14,7 @@ Welcome to instant, interoperable and [privacy-preserving](privacy.html) messagi
 
 💬 **Start** chatting with any Delta Chat contacts using [QR invite codes](https://delta.chat/en/help#howtoe2ee)
 
+<div class="experimental">Note: this is an experimental service</div>
+
 
-## ⚡ Note: this is an experimental service ⚡
 

www/src/info.md

@@ -1,5 +1,5 @@
 
-<img width="800px" src="collage-info.png"/>
+<img class="banner" src="collage-info.png"/>
 
 ## More information 
 
@@ -9,10 +9,21 @@ In the Delta Chat account setup
 you may tap `LOG INTO YOUR E-MAIL ACCOUNT` 
 and fill the two fields like this: 
 
-- `Address`: invent a word with *exactly* nine characters 
-   and append `@{{config.mail_domain}}` to it. 
+- `Address`: invent a word with
+{% if username_min_length == username_max_length %}
+  *exactly* {{ username_min_length }}
+{% else %}
+  {{ username_min_length}}
+  {% if username_max_length == "more" %}
+    or more
+  {% else %}
+    to {{ username_max_length }}
+  {% endif %}
+{% endif %}
+  characters
+  and append `@{{config.mail_domain}}` to it.
 
-- `Password`: invent at least 9 characters. 
+- `Password`: invent at least {{ password_min_length }} characters.
 
 If the e-mail address is not yet taken, you'll get that account. 
 The first login sets your password. 
@@ -24,11 +35,11 @@ The first login sets your password.
   {{config.mail_domain}} but setting up contact via [QR invite codes](https://delta.chat/en/help#howtoe2ee) 
   allows your messages to pass freely to any outside recipients.
 
-- You may send up to 60 messages per minute
+- You may send up to {{ config.max_user_send_per_minute }} messages per minute.
 
-- Messages are unconditionally removed 40 days after arriving on the server
+- Seen messages are removed {{ delete_mails_after }} after arriving on the server.
 
-- You can store up to [100MB messages on the server](https://delta.chat/en/help#what-happens-if-i-turn-on-delete-old-messages-from-server)
+- You can store up to [{{ config.max_mailbox_size }} messages on the server](https://delta.chat/en/help#what-happens-if-i-turn-on-delete-old-messages-from-server).
 
 
 ### Who are the operators? Which software is running? 

www/src/logo.svg

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="145"
+   height="145"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="At_sign.svg"
+   inkscape:version="1.2.2 (b0a84865, 2022-12-01)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     id="namedview6"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     showgrid="false"
+     inkscape:zoom="3.0241379"
+     inkscape:cx="67.622577"
+     inkscape:cy="72.913341"
+     inkscape:window-width="1390"
+     inkscape:window-height="1027"
+     inkscape:window-x="55"
+     inkscape:window-y="25"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg4" />
+  <g
+     aria-label="@"
+     id="text2"
+     style="font-size:144px;font-family:Arial">
+    <path
+       d="m 79.927878,94.422406 c -2.704286,3.120332 -5.741407,5.637394 -9.111364,7.551194 -3.328352,1.87221 -6.677506,2.80831 -10.047463,2.80831 -3.702792,0 -7.301573,-1.08172 -10.796342,-3.24515 -3.49477,-2.163426 -6.344671,-5.491779 -8.549704,-9.985058 -2.163429,-4.493275 -3.245144,-9.423397 -3.245144,-14.790365 0,-6.615099 1.684978,-13.230199 5.054935,-19.845299 3.411561,-6.656705 7.634407,-11.649233 12.66854,-14.977585 5.034133,-3.328352 9.92265,-4.992528 14.665552,-4.992528 3.619583,0 7.072748,0.956901 10.359496,2.870704 3.286748,1.872198 6.115847,4.742902 8.487297,8.612111 l 2.121825,-9.673023 h 11.170784 l -8.986557,41.87483 c -1.248129,5.824616 -1.872194,9.048957 -1.872194,9.673023 0,1.123319 0.416044,2.101022 1.248132,2.93311 0.873692,0.790484 1.913802,1.185726 3.120332,1.185726 2.20503,0 5.096537,-1.268934 8.674517,-3.806803 4.7429,-3.328352 8.4873,-7.780023 11.23319,-13.355013 2.78749,-5.616594 4.18124,-11.399606 4.18124,-17.349035 0,-6.947935 -1.78899,-13.438222 -5.36697,-19.47086 -3.53637,-6.032638 -8.84094,-10.858749 -15.913687,-14.478332 -7.03114,-3.619583 -14.811161,-5.429374 -23.340064,-5.429374 -9.73543,0 -18.638772,2.288242 -26.710026,6.864726 -8.029649,4.534879 -14.27031,11.06677 -18.721981,19.595673 -4.410066,8.487298 -6.615099,17.598662 -6.615099,27.334092 0,10.193078 2.205033,18.971607 6.615099,26.33559 2.290454,3.78888 -7.136335,18.96983 -3.810585,21.73443 3.138096,2.60861 18.971963,-7.14297 23.031819,-5.44631 8.404089,3.53637 17.702673,5.30456 27.895752,5.30456 10.90035,0 20.032515,-1.83059 27.396492,-5.49178 7.36399,-3.66119 12.87657,-8.11286 16.53776,-13.35501 l 9.29559,4 c -2.12183,4.36846 -3.76221,4.82013 -8.92116,9.35501 -5.15895,4.53488 -11.2956,8.11286 -18.40995,10.73393 -7.114346,2.66268 -15.684851,3.99402 -25.711512,3.99402 -9.236177,0 -17.76508,-1.18572 -25.586707,-3.55717 -7.780023,-2.37145 -29.296198,9.26152 -34.78798,4.47701 -5.49178,-4.7429 5.248856,-25.42482 2.461361,-31.62388 -3.49477,-7.863231 -5.242155,-16.350531 -5.242155,-25.461894 0,-10.151474 2.08022,-19.824498 6.240661,-29.019071 5.075736,-11.274793 12.273297,-19.907706 21.592683,-25.898739 9.360991,-5.991034 20.69819,-8.986551 34.011599,-8.986551 10.317891,0 19.574873,2.121824 27.77093,6.365473 8.23767,4.202045 14.72796,10.484309 19.47086,18.846794 4.03563,7.197561 6.05344,15.019189 6.05344,23.464883 0,12.065277 -4.24365,22.77841 -12.73094,32.1394 -7.572,8.404095 -15.85128,12.606135 -24.837827,12.606135 -2.870704,0 -5.200551,-0.43684 -6.98954,-1.31053 -1.747385,-0.8737 -3.037121,-2.12183 -3.869209,-3.744402 -0.540857,-1.040114 -0.936099,-2.829105 -1.185726,-5.366972 z M 49.723082,77.510217 c 0,5.699803 1.352143,10.130671 4.05643,13.292606 2.704286,3.161935 5.803814,4.742902 9.298583,4.742902 2.329847,0 4.784506,-0.686473 7.363979,-2.059418 2.579473,-1.41455 5.034133,-3.49477 7.363979,-6.240661 2.371451,-2.74589 4.306056,-6.219857 5.803815,-10.421902 1.497759,-4.243649 2.246638,-8.487298 2.246638,-12.730947 0,-5.658198 -1.41455,-10.047462 -4.243649,-13.167793 -2.787495,-3.12033 -6.199056,-4.680495 -10.234683,-4.680495 -2.662682,0 -5.179749,0.686473 -7.5512,2.059418 -2.329846,1.331341 -4.597286,3.494769 -6.802319,6.490286 -2.205033,2.995517 -3.97322,6.635903 -5.304561,10.921156 -1.331341,4.285253 -1.997012,8.216869 -1.997012,11.794848 z"
+       id="path347"
+       style="stroke-width:0.887561"
+       sodipodi:nodetypes="ccsscscsscccccscsccsccsccscscssccscscccsccsccscscccssscccscscsss" />
+  </g>
+</svg>

www/src/main.css

@@ -0,0 +1,74 @@
+
+body {
+  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif;
+  line-height: 1.4;
+  font-size: 1.2em;
+  max-width: 800px;
+  margin: 20px auto;
+  padding: 0 10px;
+  color: #363636;
+  background: #fff;
+}
+
+h1 {
+  font-size: 2.2em;
+  margin-top: 0;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  color: #000;
+  margin-bottom: 12px;
+  margin-top: 24px;
+  font-weight: 600;
+}
+
+a {
+  text-decoration: none;
+  color: #0076d1;
+}
+
+a:hover {
+  text-decoration: underline;
+}
+
+img, video {
+  max-width: 100%;
+  height: auto;
+}
+
+code {
+  background: #efefef;
+  padding: 2.5px 5px;
+  border-radius: 6px;
+}
+
+#menu {
+  display: flex;
+  flex-wrap: wrap;
+  padding: 0;
+}
+
+#menu li {
+  display: inline-block;
+  padding-right: 0.5em;
+}
+
+#domain {
+  margin-left: auto;
+}
+
+#domain a {
+  color: #888;
+}
+
+.banner {
+  width: 100%;
+}
+
+.experimental {
+  margin: 3em 0;
+  padding: 1em;
+  border: 4px dashed red;
+  color: red;
+  font-weight: bold;
+}

www/src/page-layout.html

@@ -5,16 +5,23 @@
     {% if config.webdev %}
     <meta http-equiv="refresh" content="3">
     {% endif %}
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
     <title>{{ config.mail_domain }} {{ pagename }}</title>
-    <link rel="stylesheet" href="./water.css">
+    <link rel="stylesheet" href="./main.css">
+    <link rel="icon" href="/logo.svg">
+    <link rel=”mask-icon” href=”/logo.svg” color=”#000000">
 </head>
 <body>
+
+<ul id="menu">
+    <li><a href="index.html">home</a></li>
+    <li><a href="info.html">info</a></li>
+    <li><a href="privacy.html">privacy</a></li>
+    <li><a href="https://github.com/deltachat/chatmail">public code ↗</a></li>
+    <li id="domain"><a href="index.html">{{ config.mail_domain }}</a></li>
+</ul>
+
 {{ markdown_html }}
-<footer>
-    <a href="index.html">home</a> |
-    <a href="info.html">more info</a> |
-    <a href="privacy.html">privacy</a> |
-    <a href="https://github.com/deltachat/chatmail">-> public development </a>
-</footer>
+
 </body>
 </html>

www/src/privacy.md

@@ -1,4 +1,4 @@
-<img width="800px" src="collage-privacy.png"/>
+<img class="banner" src="collage-privacy.png"/>
 
 # Privacy Policy for {{ config.mail_domain }}