Add possibility to allow/disallow main email, email alias and email forward form portal

locales/en.json

@@ -465,6 +465,13 @@
     "global_settings_setting_pop3_enabled": "Enable POP3",
     "global_settings_setting_pop3_enabled_help": "Enable the POP3 protocol for the mail server. POP3 is an older protocol to access mailboxes from email clients and is more lightweight, but has less features than IMAP (enabled by default)",
     "global_settings_setting_pop3_name": "POP3",
+    "global_settings_setting_portal_name": "Portal",
+    "global_settings_setting_portal_allow_edit_email": "Allow users to edit email",
+    "global_settings_setting_portal_allow_edit_email_alias": "Allow users to edit mail alias",
+    "global_settings_setting_portal_allow_edit_email_alias_help": "Allow users to edit their email address alias.",
+    "global_settings_setting_portal_allow_edit_email_forward": "Allow users to edit email forward",
+    "global_settings_setting_portal_allow_edit_email_forward_help": "Allow users to edit their main email forward.",
+    "global_settings_setting_portal_allow_edit_email_help": "Allow users to edit their main email address.",
     "global_settings_setting_postfix_compatibility": "Postfix Compatibility",
     "global_settings_setting_postfix_compatibility_help": "Compatibility vs. security tradeoff for the Postfix server. Affects the ciphers (and other security-related aspects)",
     "global_settings_setting_postfix_name": "Postfix (SMTP email server)",
@@ -603,6 +610,7 @@
     "log_user_update": "Update info for user '{}'",
     "mail_alias_remove_failed": "Could not remove e-mail alias '{mail}'",
     "mail_alias_unauthorized": "You are not authorized to add aliases related to domain '{domain}'",
+    "mail_edit_operation_unauthorized": "You are not authorized to do this change for your account.",
     "mail_already_exists": "Mail address '{mail}' already exists",
     "mail_domain_unknown": "Invalid e-mail address for domain '{domain}'. Please, use a domain administrated by this server.",
     "mail_forward_remove_failed": "Could not remove e-mail forwarding '{mail}'",

share/actionsmap-portal.yml

@@ -31,6 +31,12 @@ portal:
                         pattern: &pattern_fullname
                             - !!str ^([^\W_]{1,30}[ ,.'-]{0,3})+$
                             - "pattern_fullname"
+                --mainemail:
+                    help: Main email
+                    extra:
+                        pattern: &pattern_email
+                            - !!str ^[\w.-]+@([^\W_A-Z]+([-]*[^\W_A-Z]+)*\.)+((xn--)?[^\W_]{2,})$
+                            - "pattern_email"
                 --mailforward:
                     help: Mailforward addresses to add
                     nargs: "*"
@@ -44,9 +50,7 @@ portal:
                     nargs: "*"
                     metavar: MAIL
                     extra:
-                        pattern: &pattern_email
-                            - !!str ^[\w.-]+@([^\W_A-Z]+([-]*[^\W_A-Z]+)*\.)+((xn--)?[^\W_]{2,})$
-                            - "pattern_email"
+                        pattern: *pattern_email
                 --currentpassword:
                     help: Current password
                     nargs: "?"

share/config_global.toml

@@ -71,6 +71,19 @@ i18n = "global_settings_setting"
         optional = true
         default = ""
 
+    [security.portal]
+        [security.portal.portal_allow_edit_email]
+        type = "boolean"
+        default = 0
+
+        [security.portal.portal_allow_edit_email_alias]
+        type = "boolean"
+        default = 1
+
+        [security.portal.portal_allow_edit_email_forward]
+        type = "boolean"
+        default = 1
+
     [security.root_access]
         [security.root_access.root_access_explain]
         type = "alert"

src/portal.py

@@ -77,15 +77,22 @@ def _get_portal_settings(
         "portal_title": "YunoHost",
         "show_other_domains_apps": False,
         "domain": domain,
+        "allow_edit_email": False,
+        "allow_edit_email_alias": False,
+        "allow_edit_email_forward": False,
     }
 
     portal_settings_path = Path(f"{PORTAL_SETTINGS_DIR}/{domain}.json")
+    global_portal_settings_path = Path(f"{PORTAL_SETTINGS_DIR}/global_settings.json")
 
     if portal_settings_path.exists():
         settings.update(read_json(str(portal_settings_path)))
         # Portal may be public (no login required)
         settings["public"] = bool(settings.pop("enable_public_apps_page", False))
 
+    if global_portal_settings_path.exists():
+        settings.update(read_json(str(global_portal_settings_path)))
+
     # First clear apps since it may contains private apps
     apps: dict[str, Any] = settings.pop("apps", {})
     settings["apps"] = {}
@@ -172,6 +179,7 @@ def portal_me():
 
 def portal_update(
     fullname: Union[str, None] = None,
+    mainemail: Union[str, None] = None,
     mailforward: Union[list[str], None] = None,
     mailalias: Union[list[str], None] = None,
     currentpassword: Union[str, None] = None,
@@ -184,6 +192,7 @@ def portal_update(
         ["givenName", "sn", "cn", "mail", "maildrop", "memberOf"]
     )
     new_attr_dict = {}
+    portal_settings = _get_portal_settings(domain, username)
 
     if fullname is not None and fullname != current_user["cn"]:
         fullname = fullname.strip()
@@ -197,14 +206,47 @@ def portal_update(
             (firstname + " " + lastname).strip()
         ]
 
+    new_mails = current_user["mail"]
+
+    if mainemail is not None:
+        is_allowed_to_edit_main_email = portal_settings["allow_edit_email"]
+        if is_allowed_to_edit_main_email != 1:
+            raise YunohostValidationError("mail_edit_operation_unauthorized")
+
+        if mainemail not in new_mails:
+            local_part, domain = mainemail.split("@")
+            if local_part in ADMIN_ALIASES:
+                raise YunohostValidationError("mail_unavailable")
+
+            try:
+                _get_ldap_interface().validate_uniqueness({"mail": mainemail})
+            except YunohostError:
+                raise YunohostValidationError(
+                    "mail_already_exists", mail=mainemail
+                )
+
+            if domain not in domains or not user_is_allowed_on_domain(username, domain):
+                raise YunohostValidationError("mail_alias_unauthorized", domain=domain)
+            new_mails[0] = mainemail
+        else:
+            # email already exist in the list we just move it on the first place
+            new_mails.remove(mainemail)
+            new_mails = [mainemail] + new_mails[1:]
+
+        new_attr_dict["mail"] = new_mails
+
     if mailalias is not None:
+        is_allowed_to_edit_mail_alias = portal_settings["allow_edit_email_alias"]
+        if is_allowed_to_edit_mail_alias != 1:
+            raise YunohostValidationError("mail_edit_operation_unauthorized")
+
         mailalias = [mail.strip() for mail in mailalias if mail and mail.strip()]
         # keep first current mail unaltered
-        mails = [current_user["mail"][0]]
+        mails = [new_mails[0]]
 
         for index, mail in enumerate(mailalias):
-            if mail in current_user["mail"]:
-                if mail != current_user["mail"][0] and mail not in mails:
+            if mail in new_mails:
+                if mail != new_mails[0] and mail not in mails:
                     mails.append(mail)
                 continue  # already in mails, skip validation
 
@@ -229,6 +271,10 @@ def portal_update(
         new_attr_dict["mail"] = mails
 
     if mailforward is not None:
+        is_allowed_to_edit_mail_forward = portal_settings["allow_edit_email_forward"]
+        if is_allowed_to_edit_mail_forward != 1:
+            raise YunohostValidationError("mail_edit_operation_unauthorized")
+
         new_attr_dict["maildrop"] = [current_user["maildrop"][0]] + [
             mail.strip()
             for mail in mailforward

src/settings.py

@@ -21,12 +21,14 @@
 import os
 import subprocess
 from logging import getLogger
+from pathlib import Path
 from typing import TYPE_CHECKING, Any, Union
 
 from moulinette import m18n
-
+from moulinette.utils.filesystem import write_to_json
 from yunohost.firewall import firewall_reload
 from yunohost.log import is_unit_operation
+from yunohost.portal import PORTAL_SETTINGS_DIR
 from yunohost.regenconf import regen_conf
 from yunohost.utils.configpanel import ConfigPanel, parse_filter_key
 from yunohost.utils.error import YunohostError, YunohostValidationError
@@ -249,6 +251,17 @@ def _apply(
                 {"sudoOption": ["!authenticate"] if passwordless_sudo else []},
             )
 
+        global_portal_settings_path = Path(f"{PORTAL_SETTINGS_DIR}/global_settings.json")
+        portal_allow_edit_email = form.get("portal_allow_edit_email", self.get("security.portal.portal_allow_edit_email"))
+        portal_allow_edit_email_alias = form.get("portal_allow_edit_email_alias", self.get("security.portal.portal_allow_edit_email_alias"))
+        portal_allow_edit_email_forward = form.get("portal_allow_edit_email_forward", self.get("security.portal.portal_allow_edit_email_forward"))
+        write_to_json(
+            str(global_portal_settings_path), {"allow_edit_email": portal_allow_edit_email,
+                                               "allow_edit_email_alias": portal_allow_edit_email_alias,
+                                               "allow_edit_email_forward":portal_allow_edit_email_forward
+                                               }, sort_keys=True, indent=4
+        )
+
         # First save settings except virtual + default ones
         super()._apply(form, config, previous_settings, exclude=self.virtual_settings)
         next_settings = {