WIP: Added Rspamd installation

.gitignore

@@ -58,3 +58,8 @@ target/
 
 # PyCharm
 .idea/
+
+#KDE
+*.kdev4
+
+installer.cfg

checks.py → modoboa_installer/checks.py

@@ -26,7 +26,7 @@ def check_version():
             "Check README file for instructions about how to update.\n"
             "No support will be provided without an up-to-date installer!"
         )
-        answer = utils.user_input("Continue anyway? (Y/n) ")
+        answer = utils.user_input("Continue anyway? (y/N) ")
         if not answer.lower().startswith("y"):
             sys.exit(0)
     else:

modoboa_installer/compatibility_matrix.py

@@ -34,3 +34,10 @@
     "modoboa-sievefilters": "2.3.0",
     "modoboa-postfix-autoreply": "2.3.0"
 }
+
+APP_INCOMPATIBILITY = {
+    "opendkim": ["rspamd"],
+    "amavis": ["rspamd"],
+    "postwhite": ["rspamd"],
+    "spamassassin": ["rspamd"]
+}

modoboa_installer/config_dict_template.py

@@ -27,6 +27,26 @@ def is_email(user_input):
             }
         ]
     },
+    {
+        "name": "antispam",
+        "values": [
+            {
+                "option": "enabled",
+                "default": "true",
+                "customizable": True,
+                "values": ["true", "false"],
+                "question": "Do you want to setup an antispam utility?"
+            },
+            {
+                "option": "type",
+                "default": "rspamd",
+                "customizable": True,
+                "question": "Please select your antispam utility",
+                "values": ["rspamd", "amavis"],
+                "if": ["antispam.enabled=true"]
+            }
+        ]
+    },
     {
         "name": "certificate",
         "values": [
@@ -50,7 +70,7 @@ def is_email(user_input):
     },
     {
         "name": "letsencrypt",
-        "if": "certificate.type=letsencrypt",
+        "if": ["certificate.type=letsencrypt"],
         "values": [
             {
                 "option": "email",
@@ -85,7 +105,7 @@ def is_email(user_input):
     },
     {
         "name": "postgres",
-        "if": "database.engine=postgres",
+        "if": ["database.engine=postgres"],
         "values": [
             {
                 "option": "user",
@@ -101,7 +121,7 @@ def is_email(user_input):
     },
     {
         "name": "mysql",
-        "if": "database.engine=mysql",
+        "if": ["database.engine=mysql"],
         "values": [
             {
                 "option": "user",
@@ -185,10 +205,18 @@ def is_email(user_input):
                 "customizable": True,
                 "question": "Please enter Modoboa db password",
             },
+            {
+                "option": "cron_error_recipient",
+                "default": "root",
+                "customizable": True,
+                "question":
+                    "Please enter a mail recipient for cron error reports"
+            },
             {
                 "option": "extensions",
                 "default": (
                     "modoboa-amavis "
+                    "modoboa-rspamd "
                     "modoboa-webmail modoboa-contacts "
                     "modoboa-radicale"
                 ),
@@ -229,12 +257,60 @@ def is_email(user_input):
         ]
     },
     {
-        "name": "amavis",
+        "name": "rspamd",
+        "if": ["antispam.enabled=true", "antispam.type=rspamd"],
         "values": [
             {
                 "option": "enabled",
+                "default": ["antispam.enabled=true", "antispam.type=rspamd"],
+            },
+            {
+                "option": "user",
+                "default": "_rspamd",
+            },
+            {
+                "option": "password",
+                "default": make_password,
+                "customizable": True,
+                "question": "Please enter Rspamd interface password",
+            },
+            {
+                "option": "dnsbl",
                 "default": "true",
             },
+            {
+                "option": "dkim_keys_storage_dir",
+                "default": "/var/lib/dkim"
+            },
+            {
+                "option": "key_map_path",
+                "default": "/var/lib/dkim/keys.path.map"
+            },
+            {
+                "option": "selector_map_path",
+                "default": "/var/lib/dkim/selectors.path.map"
+            },
+            {
+                "option": "greylisting",
+                "default": "true"
+            },
+            {
+                "option": "whitelist_auth",
+                "default": "true"
+            },
+            {
+                "option": "whitelist_auth_weigth",
+                "default": "-5"
+            }
+        ],
+    },
+    {
+        "name": "amavis",
+        "values": [
+            {
+                "option": "enabled",
+                "default": ["antispam.enabled=true", "antispam.type=amavis"],
+            },
             {
                 "option": "user",
                 "default": "amavis",
@@ -254,8 +330,6 @@ def is_email(user_input):
             {
                 "option": "dbpassword",
                 "default": make_password,
-                "customizable": True,
-                "question": "Please enter amavis db password"
             },
         ],
     },
@@ -305,7 +379,11 @@ def is_email(user_input):
             },
             {
                 "option": "radicale_auth_socket_path",
-                "default": "/var/run/dovecot/auth-radicale"
+                "default": "/var/run/dovecot/auth-radicale",
+            },
+            {
+                "option": "move_spam_to_junk",
+                "default": "true",
             },
         ]
     },
@@ -327,7 +405,7 @@ def is_email(user_input):
         "values": [
             {
                 "option": "enabled",
-                "default": "true",
+                "default": "false",
             },
             {
                 "option": "config_dir",
@@ -361,7 +439,7 @@ def is_email(user_input):
         "values": [
             {
                 "option": "enabled",
-                "default": "true",
+                "default": ["antispam.enabled=true", "antispam.type=amavis"],
             },
             {
                 "option": "config_dir",
@@ -371,10 +449,11 @@ def is_email(user_input):
     },
     {
         "name": "spamassassin",
+        "if": ["antispam.enabled=true", "antispam.type=amavis"],
         "values": [
             {
                 "option": "enabled",
-                "default": "true",
+                "default": ["antispam.enabled=true", "antispam.type=amavis"],
             },
             {
                 "option": "config_dir",
@@ -440,10 +519,11 @@ def is_email(user_input):
     },
     {
         "name": "opendkim",
+        "if": ["antispam.enabled=true", "antispam.type=amavis"],
         "values": [
             {
                 "option": "enabled",
-                "default": "true",
+                "default": ["antispam.enabled=true", "antispam.type=amavis"],
             },
             {
                 "option": "user",

modoboa_installer/disclaimers.py

@@ -0,0 +1,51 @@
+from . import utils
+
+
+def installation_disclaimer(args, config):
+    """Display installation disclaimer."""
+    hostname = config.get("general", "hostname")
+    utils.printcolor(
+        "Notice:\n"
+        "It is recommanded to run this installer on a FRESHLY installed server.\n"
+        "(ie. with nothing special already installed on it)\n",
+        utils.CYAN
+        )
+    utils.printcolor(
+        "Warning:\n"
+        "Before you start the installation, please make sure the following "
+        "DNS records exist for domain '{}':\n"
+        "  {} IN A   <IP ADDRESS OF YOUR SERVER>\n"
+        "     @ IN MX  {}.\n".format(
+            args.domain,
+            hostname.replace(".{}".format(args.domain), ""),
+            hostname
+            ),
+        utils.YELLOW
+        )
+    utils.printcolor(
+            "Your mail server will be installed with the following components:",
+            utils.BLUE)
+
+
+def upgrade_disclaimer(config):
+    """Display upgrade disclaimer."""
+    utils.printcolor(
+        "Your mail server is about to be upgraded and the following components"
+        " will be impacted:", utils.BLUE
+        )
+
+
+def backup_disclaimer():
+    """Display backup disclamer. """
+    utils.printcolor(
+        "Your mail server will be backed up locally.\n"
+        " !! You should really transfer the backup somewhere else...\n"
+        " !! Custom configuration (like for postfix) won't be saved.", utils.BLUE)
+
+
+def restore_disclaimer():
+    """Display restore disclamer. """
+    utils.printcolor(
+        "You are about to restore a previous installation of Modoboa.\n"
+        "If a new version has been released in between, please update your database!",
+        utils.BLUE)

modoboa_installer/package.py

@@ -2,6 +2,8 @@
 
 import re
 
+from os.path import isfile as file_exists
+
 from . import utils
 
 
@@ -29,7 +31,7 @@ class DEBPackage(Package):
     FORMAT = "deb"
 
     def __init__(self, dist_name):
-        super(DEBPackage, self).__init__(dist_name)
+        super().__init__(dist_name)
         self.index_updated = False
         self.policy_file = "/usr/sbin/policy-rc.d"
 
@@ -42,6 +44,29 @@ def prepare_system(self):
     def restore_system(self):
         utils.exec_cmd("rm -f {}".format(self.policy_file))
 
+    def add_custom_repository(self,
+                              name: str,
+                              url: str,
+                              key_url: str,
+                              codename: str,
+                              with_source: bool = True):
+        key_file = f"/etc/apt/keyrings/{name}.gpg"
+        utils.exec_cmd(
+            f"wget -O - {key_url} | gpg --dearmor | tee {key_file} > /dev/null"
+        )
+        line_types = ["deb"]
+        if with_source:
+            line_types.append("deb-src")
+        for line_type in line_types:
+            line = (
+                f"{line_type} [arch=amd64 signed-by={key_file}] "
+                f"{url} {codename} main"
+            )
+            target_file = f"/etc/apt/sources.list.d/{name}.list"
+            tee_option = "-a" if file_exists(target_file) else ""
+            utils.exec_cmd(f'echo "{line}" | tee {tee_option} {target_file}')
+        self.index_updated = False
+
     def update(self):
         """Update local cache."""
         if self.index_updated:
@@ -82,7 +107,7 @@ class RPMPackage(Package):
 
     def __init__(self, dist_name):
         """Initialize backend."""
-        super(RPMPackage, self).__init__(dist_name)
+        super().__init__(dist_name)
         if "centos" in dist_name:
             self.install("epel-release")
 

modoboa_installer/scripts/clamav.py

@@ -42,9 +42,10 @@ def post_run(self):
         """Additional tasks."""
         if package.backend.FORMAT == "deb":
             user = self.config.get(self.appname, "user")
-            system.add_user_to_group(
-                user, self.config.get("amavis", "user")
-            )
+            if self.config.get("amavis", "enabled").lower() == "true":
+                system.add_user_to_group(
+                    user, self.config.get("amavis", "user")
+                )
             pattern = (
                 "s/^AllowSupplementaryGroups false/"
                 "AllowSupplementaryGroups true/")