Display admin email in error message for password reminder

Dockerfile

@@ -14,7 +14,7 @@ ENV DEBUG="False" \
     ALLOW_PUBLIC_PROJECT_CREATION="True" \
     BABEL_DEFAULT_TIMEZONE="UTC" \
     GREENLET_TEST_CPP="no" \
-    MAIL_DEFAULT_SENDER="('Budget manager', 'budget@notmyidea.org')" \
+    MAIL_DEFAULT_SENDER="('Budget manager', 'admin@example.com')" \
     MAIL_PASSWORD="" \
     MAIL_PORT="25" \
     MAIL_SERVER="localhost" \
@@ -23,6 +23,7 @@ ENV DEBUG="False" \
     MAIL_USERNAME="" \
     SECRET_KEY="tralala" \
     SESSION_COOKIE_SECURE="True" \
+    SHOW_ADMIN_EMAIL="True" \
     SQLALCHEMY_DATABASE_URI="sqlite:////database/ihatemoney.db" \
     SQLALCHEMY_TRACK_MODIFICATIONS="False" \
     ENABLE_CAPTCHA="False" \

conf/entrypoint.sh

@@ -19,6 +19,7 @@ MAIL_USE_TLS = $MAIL_USE_TLS
 MAIL_USERNAME = "$MAIL_USERNAME"
 SECRET_KEY = "$SECRET_KEY"
 SESSION_COOKIE_SECURE = $SESSION_COOKIE_SECURE
+SHOW_ADMIN_EMAIL = $SHOW_ADMIN_EMAIL
 SQLACHEMY_DEBUG = DEBUG
 SQLALCHEMY_DATABASE_URI = "$SQLALCHEMY_DATABASE_URI"
 SQLALCHEMY_TRACK_MODIFICATIONS = $SQLALCHEMY_TRACK_MODIFICATIONS

docker-compose.yml

@@ -13,7 +13,7 @@ services:
       - ALLOW_PUBLIC_PROJECT_CREATION=True
       - BABEL_DEFAULT_TIMEZONE=UTC
       - GREENLET_TEST_CPP=no
-      - MAIL_DEFAULT_SENDER=('Budget manager', 'budget@notmyidea.org')
+      - MAIL_DEFAULT_SENDER=('Budget manager', 'admin@example.com')
       - MAIL_PASSWORD=
       - MAIL_PORT=25
       - MAIL_SERVER=localhost
@@ -22,6 +22,7 @@ services:
       - MAIL_USERNAME=
       - SECRET_KEY=tralala
       - SESSION_COOKIE_SECURE=True
+      - SHOW_ADMIN_EMAIL=True
       - SQLALCHEMY_DATABASE_URI=sqlite:////database/ihatemoney.db
       - SQLALCHEMY_TRACK_MODIFICATIONS=False
       - ENABLE_CAPTCHA=False

docs/configuration.md

@@ -79,9 +79,19 @@ for details.
 A python tuple describing the name and email address to use when sending
 emails.
 
--   **Default value:** `("Budget manager", "budget@notmyidea.org")`
+-   **Default value:** `("Budget manager", "admin@example.com")`
 -   **Production value:** Any tuple you want.
 
+## SHOW_ADMIN_EMAIL
+
+A boolean that determines whether the admin email (`MAIL_DEFAULT_SENDER`) is
+shown in error messages. This also needs `MAIL_DEFAULT_SENDER` to be set to a 
+non default value to show it in the error messages.
+
+-   **Default value:** `True`
+-   **Production value:** Usually `True` unless you don't want the admin
+    email to be shown for privacy reasons.
+
 ## ACTIVATE_DEMO_PROJECT
 
 If set to `True`, a demo project will be available on the frontpage.

ihatemoney/conf-templates/ihatemoney.cfg.j2

@@ -19,7 +19,11 @@ SQLALCHEMY_TRACK_MODIFICATIONS = False
 SECRET_KEY = "{{ secret_key }}"
 
 # A python tuple describing the name and email adress of the sender of the mails.
-MAIL_DEFAULT_SENDER = ("Budget manager", "budget@notmyidea.org") # CUSTOMIZE
+MAIL_DEFAULT_SENDER = ("Budget manager", "admin@example.com") # CUSTOMIZE
+
+# A boolean that determines whether the admin email (MAIL_DEFAULT_SENDER) is
+# shown in error messages.
+SHOW_ADMIN_EMAIL = True
 
 # If set to True, a demonstration project will be activated.
 ACTIVATE_DEMO_PROJECT = True

ihatemoney/default_settings.py

@@ -3,7 +3,8 @@
 SQLALCHEMY_DATABASE_URI = "sqlite:////tmp/ihatemoney.db"
 SQLALCHEMY_TRACK_MODIFICATIONS = False
 SECRET_KEY = "tralala"
-MAIL_DEFAULT_SENDER = ("Budget manager", "budget@notmyidea.org")
+MAIL_DEFAULT_SENDER = ("Budget manager", "admin@example.com")
+SHOW_ADMIN_EMAIL = True
 ACTIVATE_DEMO_PROJECT = True
 ADMIN_PASSWORD = ""
 ALLOW_PUBLIC_PROJECT_CREATION = True

ihatemoney/tests/ihatemoney.cfg

@@ -6,4 +6,4 @@ SQLACHEMY_ECHO = DEBUG
 
 SECRET_KEY = "supersecret"
 
-MAIL_DEFAULT_SENDER = ("Budget manager", "budget@notmyidea.org")
+MAIL_DEFAULT_SENDER = ("Budget manager", "admin@example.com")

ihatemoney/tests/ihatemoney_envvar.cfg

@@ -6,4 +6,4 @@ SQLACHEMY_ECHO = DEBUG
 
 SECRET_KEY = "lalatra"
 
-MAIL_DEFAULT_SENDER = ("Budget manager", "budget@notmyidea.org")
+MAIL_DEFAULT_SENDER = ("Budget manager", "admin@example.com")

ihatemoney/tests/main_test.py

@@ -26,7 +26,7 @@ def test_default_configuration(self):
         self.assertFalse(self.app.config["SQLALCHEMY_TRACK_MODIFICATIONS"])
         self.assertEqual(
             self.app.config["MAIL_DEFAULT_SENDER"],
-            ("Budget manager", "budget@notmyidea.org"),
+            ("Budget manager", "admin@example.com"),
         )
         self.assertTrue(self.app.config["ACTIVATE_DEMO_PROJECT"])
         self.assertTrue(self.app.config["ALLOW_PUBLIC_PROJECT_CREATION"])

ihatemoney/utils.py

@@ -12,7 +12,7 @@
 
 from babel import Locale
 from babel.numbers import get_currency_name, get_currency_symbol
-from flask import current_app, escape, redirect, render_template
+from flask import current_app, escape, flash, redirect, render_template
 from flask_babel import get_locale, lazy_gettext as _
 import jinja2
 from markupsafe import Markup
@@ -47,6 +47,31 @@ def send_email(mail_message):
     return True
 
 
+def flash_email_error(error_message, category="danger"):
+    """Helper to flash a message for email errors. It will also show the
+    admin email as a contact if MAIL_DEFAULT_SENDER is set to not the
+    default value and SHOW_ADMIN_EMAIL is True.
+    """
+    admin_email = current_app.config.get("MAIL_DEFAULT_SENDER")
+    error_extension = "."
+    if (
+        admin_email
+        and admin_email[1] != "admin@example.com"
+        and current_app.config.get("SHOW_ADMIN_EMAIL")
+    ):
+        error_extension = " or contact the administrator at {}.".format(admin_email[1])
+
+    flash(
+        _(
+            error_message
+            + " Please check the email configuration of the server {}".format(
+                error_extension
+            )
+        ),
+        category=category,
+    )
+
+
 class Redirect303(HTTPException, RoutingException):
 
     """Raise if the map requests a redirect. This is for example the case if

ihatemoney/web.py

@@ -58,6 +58,7 @@
 from ihatemoney.utils import (
     LoginThrottler,
     Redirect303,
+    flash_email_error,
     format_form_errors,
     get_members,
     list_of_dicts2csv,
@@ -334,11 +335,9 @@ def create_project():
             else:
                 # Display the error as a simple "info" alert, because it's
                 # not critical and doesn't prevent using the project.
-                flash(
-                    _(
-                        "We tried to send you an reminder email, but there was an error. "
-                        "You can still use the project normally."
-                    ),
+                flash_email_error(
+                    "We tried to send you an reminder email, but there was an error. "
+                    "You can still use the project normally.",
                     category="info",
                 )
             return redirect(url_for(".list_bills", project_id=project.id))
@@ -363,14 +362,9 @@ def remind_password():
             if success:
                 return redirect(url_for(".password_reminder_sent"))
             else:
-                flash(
-                    _(
-                        "Sorry, there was an error while sending you an email "
-                        "with password reset instructions. "
-                        "Please check the email configuration of the server "
-                        "or contact the administrator."
-                    ),
-                    category="danger",
+                flash_email_error(
+                    "Sorry, there was an error while sending you an email with "
+                    "password reset instructions."
                 )
                 # Fall-through: we stay on the same page and display the form again
     return render_template("password_reminder.html", form=form)
@@ -634,13 +628,8 @@ def invite():
                 flash(_("Your invitations have been sent"), category="success")
                 return redirect(url_for(".list_bills"))
             else:
-                flash(
-                    _(
-                        "Sorry, there was an error while trying to send the invitation emails. "
-                        "Please check the email configuration of the server "
-                        "or contact the administrator."
-                    ),
-                    category="danger",
+                flash_email_error(
+                    "Sorry, there was an error while trying to send the invitation emails."
                 )
                 # Fall-through: we stay on the same page and display the form again
     return render_template("send_invites.html", form=form)