4.52.0

app/app/api/views/alias.py

@@ -424,7 +424,7 @@ def create_contact_route(alias_id):
     contact_address = data.get("contact")
 
     try:
-        contact = create_contact(g.user, alias, contact_address)
+        contact = create_contact(alias, contact_address)
     except ErrContactErrorUpgradeNeeded as err:
         return jsonify(error=err.error_for_user()), 403
     except (ErrAddressInvalid, CannotCreateContactForReverseAlias) as err:

app/app/config.py

@@ -657,3 +657,7 @@ PARTNER_DOMAINS: dict[int, str] = read_partner_dict("PARTNER_DOMAINS")
 PARTNER_DOMAIN_VALIDATION_PREFIXES: dict[int, str] = read_partner_dict(
     "PARTNER_DOMAIN_VALIDATION_PREFIXES"
 )
+
+MAILBOX_VERIFICATION_OVERRIDE_CODE: Optional[str] = os.environ.get(
+    "MAILBOX_VERIFICATION_OVERRIDE_CODE", None
+)

app/app/contact_utils.py

@@ -0,0 +1,113 @@
+from dataclasses import dataclass
+from enum import Enum
+from typing import Optional
+
+from sqlalchemy.exc import IntegrityError
+
+from app.db import Session
+from app.email_utils import generate_reply_email, parse_full_address
+from app.email_validation import is_valid_email
+from app.log import LOG
+from app.models import Contact, Alias
+from app.utils import sanitize_email
+
+
+class ContactCreateError(Enum):
+    InvalidEmail = "Invalid email"
+    NotAllowed = "Your plan does not allow to create contacts"
+
+
+@dataclass
+class ContactCreateResult:
+    contact: Optional[Contact]
+    created: bool
+    error: Optional[ContactCreateError]
+
+
+def __update_contact_if_needed(
+    contact: Contact, name: Optional[str], mail_from: Optional[str]
+) -> ContactCreateResult:
+    if name and contact.name != name:
+        LOG.d(f"Setting {contact} name to {name}")
+        contact.name = name
+        Session.commit()
+    if mail_from and contact.mail_from is None:
+        LOG.d(f"Setting {contact} mail_from to {mail_from}")
+        contact.mail_from = mail_from
+        Session.commit()
+    return ContactCreateResult(contact, created=False, error=None)
+
+
+def create_contact(
+    email: str,
+    alias: Alias,
+    name: Optional[str] = None,
+    mail_from: Optional[str] = None,
+    allow_empty_email: bool = False,
+    automatic_created: bool = False,
+    from_partner: bool = False,
+) -> ContactCreateResult:
+    # If user cannot create contacts, they still need to be created when receiving an email for an alias
+    if not automatic_created and not alias.user.can_create_contacts():
+        return ContactCreateResult(
+            None, created=False, error=ContactCreateError.NotAllowed
+        )
+    # Parse emails with form 'name <email>'
+    try:
+        email_name, email = parse_full_address(email)
+    except ValueError:
+        email = ""
+        email_name = ""
+    # If no name is explicitly given try to get it from the parsed email
+    if name is None:
+        name = email_name[: Contact.MAX_NAME_LENGTH]
+    else:
+        name = name[: Contact.MAX_NAME_LENGTH]
+    # If still no name is there, make sure the name is None instead of empty string
+    if not name:
+        name = None
+    if name is not None and "\x00" in name:
+        LOG.w("Cannot use contact name because has \\x00")
+        name = ""
+    # Sanitize email and if it's not valid only allow to create a contact if it's explicitly allowed. Otherwise fail
+    email = sanitize_email(email, not_lower=True)
+    if not is_valid_email(email):
+        LOG.w(f"invalid contact email {email}")
+        if not allow_empty_email:
+            return ContactCreateResult(
+                None, created=False, error=ContactCreateError.InvalidEmail
+            )
+        LOG.d("Create a contact with invalid email for %s", alias)
+        # either reuse a contact with empty email or create a new contact with empty email
+        email = ""
+    # If contact exists, update name and mail_from if needed
+    contact = Contact.get_by(alias_id=alias.id, website_email=email)
+    if contact is not None:
+        return __update_contact_if_needed(contact, name, mail_from)
+    # Create the contact
+    reply_email = generate_reply_email(email, alias)
+    try:
+        flags = Contact.FLAG_PARTNER_CREATED if from_partner else 0
+        contact = Contact.create(
+            user_id=alias.user_id,
+            alias_id=alias.id,
+            website_email=email,
+            name=name,
+            reply_email=reply_email,
+            mail_from=mail_from,
+            automatic_created=automatic_created,
+            flags=flags,
+            invalid_email=email == "",
+            commit=True,
+        )
+        LOG.d(
+            f"Created contact {contact} for alias {alias} with email {email} invalid_email={contact.invalid_email}"
+        )
+    except IntegrityError:
+        Session.rollback()
+        LOG.info(
+            f"Contact with email {email} for alias_id {alias.id} already existed, fetching from DB"
+        )
+        contact = Contact.get_by(alias_id=alias.id, website_email=email)
+        return __update_contact_if_needed(contact, name, mail_from)
+    return ContactCreateResult(contact, created=True, error=None)

app/app/custom_domain_utils.py

@@ -1,13 +1,15 @@
+import arrow
 import re
 
 from dataclasses import dataclass
 from enum import Enum
 from typing import Optional
 
+from app.config import JOB_DELETE_DOMAIN
 from app.db import Session
 from app.email_utils import get_email_domain_part
 from app.log import LOG
-from app.models import User, CustomDomain, SLDomain, Mailbox
+from app.models import User, CustomDomain, SLDomain, Mailbox, Job
 
 _ALLOWED_DOMAIN_REGEX = re.compile(r"^(?!-)[A-Za-z0-9-]{1,63}(?<!-)$")
 
@@ -126,3 +128,15 @@ def create_custom_domain(
         success=True,
         instance=new_custom_domain,
     )
+
+
+def delete_custom_domain(domain: CustomDomain):
+    # Schedule delete domain job
+    LOG.w("schedule delete domain job for %s", domain)
+    domain.pending_deletion = True
+    Job.create(
+        name=JOB_DELETE_DOMAIN,
+        payload={"custom_domain_id": domain.id},
+        run_at=arrow.now(),
+        commit=True,
+    )

app/app/dashboard/views/alias_contact_manager.py

@@ -9,13 +9,10 @@ from sqlalchemy import and_, func, case
 from wtforms import StringField, validators, ValidationError
 
 # Need to import directly from config to allow modification from the tests
-from app import config, parallel_limiter
+from app import config, parallel_limiter, contact_utils
+from app.contact_utils import ContactCreateError
 from app.dashboard.base import dashboard_bp
 from app.db import Session
-from app.email_utils import (
-    generate_reply_email,
-    parse_full_address,
-)
 from app.email_validation import is_valid_email
 from app.errors import (
     CannotCreateContactForReverseAlias,
@@ -24,8 +21,8 @@ from app.errors import (
     ErrContactAlreadyExists,
 )
 from app.log import LOG
-from app.models import Alias, Contact, EmailLog, User
+from app.models import Alias, Contact, EmailLog
-from app.utils import sanitize_email, CSRFValidationForm
+from app.utils import CSRFValidationForm
 
 
 def email_validator():
@@ -51,7 +48,7 @@ def email_validator():
     return _check
 
 
-def create_contact(user: User, alias: Alias, contact_address: str) -> Contact:
+def create_contact(alias: Alias, contact_address: str) -> Contact:
     """
     Create a contact for a user. Can be restricted for new free users by enabling DISABLE_CREATE_CONTACTS_FOR_FREE_USERS.
     Can throw exceptions:
@@ -61,37 +58,23 @@ def create_contact(user: User, alias: Alias, contact_address: str) -> Contact:
     """
     if not contact_address:
         raise ErrAddressInvalid("Empty address")
-    try:
+    output = contact_utils.create_contact(email=contact_address, alias=alias)
-        contact_name, contact_email = parse_full_address(contact_address)
+    if output.error == ContactCreateError.InvalidEmail:
-    except ValueError:
         raise ErrAddressInvalid(contact_address)
-
+    elif output.error == ContactCreateError.NotAllowed:
-    contact_email = sanitize_email(contact_email)
-    if not is_valid_email(contact_email):
-        raise ErrAddressInvalid(contact_email)
-
-    contact = Contact.get_by(alias_id=alias.id, website_email=contact_email)
-    if contact:
-        raise ErrContactAlreadyExists(contact)
-
-    if not user.can_create_contacts():
         raise ErrContactErrorUpgradeNeeded()
+    elif output.error is not None:
+        raise ErrAddressInvalid("Invalid address")
+    elif not output.created:
+        raise ErrContactAlreadyExists(output.contact)
 
-    contact = Contact.create(
+    contact = output.contact
-        user_id=alias.user_id,
-        alias_id=alias.id,
-        website_email=contact_email,
-        name=contact_name,
-        reply_email=generate_reply_email(contact_email, alias),
-    )
-
     LOG.d(
         "create reverse-alias for %s %s, reverse alias:%s",
         contact_address,
         alias,
         contact.reply_email,
     )
-    Session.commit()
 
     return contact
 
@@ -261,7 +244,7 @@ def alias_contact_manager(alias_id):
             if new_contact_form.validate():
                 contact_address = new_contact_form.email.data.strip()
                 try:
-                    contact = create_contact(current_user, alias, contact_address)
+                    contact = create_contact(alias, contact_address)
                 except (
                     ErrContactErrorUpgradeNeeded,
                     ErrAddressInvalid,

app/app/dashboard/views/domain_detail.py

@@ -1,17 +1,16 @@
 import re
 
-import arrow
 from flask import render_template, request, redirect, url_for, flash
 from flask_login import login_required, current_user
 from flask_wtf import FlaskForm
 from wtforms import StringField, validators, IntegerField
 
 from app.constants import DMARC_RECORD
-from app.config import EMAIL_SERVERS_WITH_PRIORITY, EMAIL_DOMAIN, JOB_DELETE_DOMAIN
+from app.config import EMAIL_SERVERS_WITH_PRIORITY, EMAIL_DOMAIN
+from app.custom_domain_utils import delete_custom_domain
 from app.custom_domain_validation import CustomDomainValidation
 from app.dashboard.base import dashboard_bp
 from app.db import Session
-from app.log import LOG
 from app.models import (
     CustomDomain,
     Alias,
@@ -20,7 +19,6 @@ from app.models import (
     DomainMailbox,
     AutoCreateRule,
     AutoCreateRuleMailbox,
-    Job,
 )
 from app.regex_utils import regex_match
 from app.utils import random_string, CSRFValidationForm
@@ -263,16 +261,8 @@ def domain_detail(custom_domain_id):
 
         elif request.form.get("form-name") == "delete":
             name = custom_domain.domain
-            LOG.d("Schedule deleting %s", custom_domain)
 
-            # Schedule delete domain job
+            delete_custom_domain(custom_domain)
-            LOG.w("schedule delete domain job for %s", custom_domain)
-            Job.create(
-                name=JOB_DELETE_DOMAIN,
-                payload={"custom_domain_id": custom_domain.id},
-                run_at=arrow.now(),
-                commit=True,
-            )
 
             flash(
                 f"{name} scheduled for deletion."

app/app/events/event_dispatcher.py

@@ -64,15 +64,9 @@ class EventDispatcher:
             )
             return
 
-        if config.EVENT_WEBHOOK_ENABLED_USER_IDS is not None:
-            if user.id not in config.EVENT_WEBHOOK_ENABLED_USER_IDS:
-                return
-
         partner_user = EventDispatcher.__partner_user(user.id)
         if not partner_user:
-            LOG.i(
+            LOG.i(f"Not sending events because there's no partner user for user {user}")
-                f"Not sending events because there's no partner user for  user {user}"
-            )
             return
 
         event = event_pb2.Event(
@@ -84,7 +78,9 @@ class EventDispatcher:
 
         serialized = event.SerializeToString()
         dispatcher.send(serialized)
-        newrelic.agent.record_custom_metric("Custom/events_stored", 1)
+
+        event_type = content.WhichOneof("content")
+        newrelic.agent.record_custom_event("EventStoredToDb", {"type": event_type})
         LOG.i("Sent event to the dispatcher")
 
     @staticmethod

app/app/mailbox_utils.py

@@ -213,7 +213,10 @@ def generate_activation_code(
 ) -> MailboxActivation:
     clear_activation_codes_for_mailbox(mailbox)
     if use_digit_code:
-        code = "{:06d}".format(random.randint(1, 999999))
+        if config.MAILBOX_VERIFICATION_OVERRIDE_CODE:
+            code = config.MAILBOX_VERIFICATION_OVERRIDE_CODE
+        else:
+            code = "{:06d}".format(random.randint(1, 999999))
     else:
         code = secrets.token_urlsafe(16)
     return MailboxActivation.create(

app/app/models.py

@@ -336,7 +336,7 @@ class Fido(Base, ModelMixin):
 class User(Base, ModelMixin, UserMixin, PasswordOracle):
     __tablename__ = "users"
 
-    FLAG_FREE_DISABLE_CREATE_ALIAS = 1 << 0
+    FLAG_DISABLE_CREATE_CONTACTS = 1 << 0
     FLAG_CREATED_FROM_PARTNER = 1 << 1
     FLAG_FREE_OLD_ALIAS_LIMIT = 1 << 2
     FLAG_CREATED_ALIAS_FROM_PARTNER = 1 << 3
@@ -543,7 +543,7 @@ class User(Base, ModelMixin, UserMixin, PasswordOracle):
     # bitwise flags. Allow for future expansion
     flags = sa.Column(
         sa.BigInteger,
-        default=FLAG_FREE_DISABLE_CREATE_ALIAS,
+        default=FLAG_DISABLE_CREATE_CONTACTS,
         server_default="0",
         nullable=False,
     )
@@ -1168,7 +1168,7 @@ class User(Base, ModelMixin, UserMixin, PasswordOracle):
     def can_create_contacts(self) -> bool:
         if self.is_premium():
             return True
-        if self.flags & User.FLAG_FREE_DISABLE_CREATE_ALIAS == 0:
+        if self.flags & User.FLAG_DISABLE_CREATE_CONTACTS == 0:
             return True
         return not config.DISABLE_CREATE_CONTACTS_FOR_FREE_USERS
 
@@ -1863,6 +1863,8 @@ class Contact(Base, ModelMixin):
 
     MAX_NAME_LENGTH = 512
 
+    FLAG_PARTNER_CREATED = 1 << 0
+
     __tablename__ = "contact"
 
     __table_args__ = (
@@ -1921,6 +1923,9 @@ class Contact(Base, ModelMixin):
     # whether contact is created automatically during the forward phase
     automatic_created = sa.Column(sa.Boolean, nullable=True, default=False)
 
+    # contact flags
+    flags = sa.Column(sa.Integer, nullable=False, default=0, server_default="0")
+
     @property
     def email(self):
         return self.website_email
@@ -2427,6 +2432,10 @@ class CustomDomain(Base, ModelMixin):
         server_default=None,
     )
 
+    pending_deletion = sa.Column(
+        sa.Boolean, nullable=False, default=False, server_default="0"
+    )
+
     __table_args__ = (
         Index(
             "ix_unique_domain",  # Index name
@@ -2434,6 +2443,8 @@ class CustomDomain(Base, ModelMixin):
             unique=True,
             postgresql_where=Column("ownership_verified"),
         ),  # The condition
+        Index("ix_custom_domain_user_id", "user_id"),
+        Index("ix_custom_domain_pending_deletion", "pending_deletion"),
     )
 
     user = orm.relationship(User, foreign_keys=[user_id], backref="custom_domains")

app/email_handler.py

@@ -52,7 +52,7 @@ from flanker.addresslib import address
 from flanker.addresslib.address import EmailAddress
 from sqlalchemy.exc import IntegrityError
 
-from app import pgp_utils, s3, config
+from app import pgp_utils, s3, config, contact_utils
 from app.alias_utils import try_auto_create, change_alias_status
 from app.config import (
     EMAIL_DOMAIN,
@@ -195,79 +195,16 @@ def get_or_create_contact(from_header: str, mail_from: str, alias: Alias) -> Con
                 mail_from,
             )
             contact_email = mail_from
-
+    contact_result = contact_utils.create_contact(
-    if not is_valid_email(contact_email):
+        email=contact_email,
-        LOG.w(
+        alias=alias,
-            "invalid contact email %s. Parse from %s %s",
+        name=contact_name,
-            contact_email,
+        mail_from=mail_from,
-            from_header,
+        allow_empty_email=True,
-            mail_from,
+        automatic_created=True,
-        )
+        from_partner=False,
-        # either reuse a contact with empty email or create a new contact with empty email
+    )
-        contact_email = ""
+    return contact_result.contact
-
-    contact_email = sanitize_email(contact_email, not_lower=True)
-
-    if contact_name and "\x00" in contact_name:
-        LOG.w("issue with contact name %s", contact_name)
-        contact_name = ""
-
-    contact = Contact.get_by(alias_id=alias.id, website_email=contact_email)
-    if contact:
-        if contact.name != contact_name:
-            LOG.d(
-                "Update contact %s name %s to %s",
-                contact,
-                contact.name,
-                contact_name,
-            )
-            contact.name = contact_name
-            Session.commit()
-
-        # contact created in the past does not have mail_from and from_header field
-        if not contact.mail_from and mail_from:
-            LOG.d(
-                "Set contact mail_from %s: %s to %s",
-                contact,
-                contact.mail_from,
-                mail_from,
-            )
-            contact.mail_from = mail_from
-            Session.commit()
-    else:
-        alias_id = alias.id
-        try:
-            contact_email_for_reply = (
-                contact_email if is_valid_email(contact_email) else ""
-            )
-            contact = Contact.create(
-                user_id=alias.user_id,
-                alias_id=alias_id,
-                website_email=contact_email,
-                name=contact_name,
-                mail_from=mail_from,
-                reply_email=generate_reply_email(contact_email_for_reply, alias),
-                automatic_created=True,
-            )
-            if not contact_email:
-                LOG.d("Create a contact with invalid email for %s", alias)
-                contact.invalid_email = True
-
-            LOG.d(
-                "create contact %s for %s, reverse alias:%s",
-                contact_email,
-                alias,
-                contact.reply_email,
-            )
-
-            Session.commit()
-        except IntegrityError:
-            LOG.info(
-                f"Contact with email {contact_email} for alias_id {alias_id} already existed, fetching from DB"
-            )
-            contact = Contact.get_by(alias_id=alias_id, website_email=contact_email)
-
-    return contact
 
 
 def get_or_create_reply_to_contact(
@@ -292,33 +229,7 @@ def get_or_create_reply_to_contact(
         )
         return None
 
-    contact = Contact.get_by(alias_id=alias.id, website_email=contact_address)
+    return contact_utils.create_contact(contact_address, alias, contact_name).contact
-    if contact:
-        return contact
-    else:
-        LOG.d(
-            "create contact %s for alias %s via reply-to header %s",
-            contact_address,
-            alias,
-            reply_to_header,
-        )
-
-        try:
-            contact = Contact.create(
-                user_id=alias.user_id,
-                alias_id=alias.id,
-                website_email=contact_address,
-                name=contact_name,
-                reply_email=generate_reply_email(contact_address, alias),
-                automatic_created=True,
-            )
-            Session.commit()
-        except IntegrityError:
-            LOG.w("Contact %s %s already exist", alias, contact_address)
-            Session.rollback()
-            contact = Contact.get_by(alias_id=alias.id, website_email=contact_address)
-
-    return contact
 
 
 def replace_header_when_forward(msg: Message, alias: Alias, header: str):

app/event_listener.py

@@ -9,7 +9,7 @@ from events.runner import Runner
 from events.event_source import DeadLetterEventSource, PostgresEventSource
 from events.event_sink import ConsoleEventSink, HttpEventSink
 
-_DEFAULT_MAX_RETRIES = 100
+_DEFAULT_MAX_RETRIES = 10
 
 
 class Mode(Enum):

app/events/event_sink.py

@@ -27,7 +27,9 @@ class HttpEventSink(EventSink):
             headers={"Content-Type": "application/x-protobuf"},
             verify=not EVENT_WEBHOOK_SKIP_VERIFY_SSL,
         )
-        newrelic.agent.record_custom_event("event_sent", {"http_code": res.status_code})
+        newrelic.agent.record_custom_event(
+            "EventSentToPartner", {"http_code": res.status_code}
+        )
         if res.status_code != 200:
             LOG.warning(
                 f"Failed to send event to webhook: {res.status_code} {res.text}"

app/events/event_source.py

@@ -72,7 +72,9 @@ class PostgresEventSource(EventSource):
                     Session.close()  # Ensure we get a new connection and we don't leave a dangling tx
 
     def __connect(self):
-        self.__connection = psycopg2.connect(self.__connection_string)
+        self.__connection = psycopg2.connect(
+            self.__connection_string, application_name="sl-event-listen"
+        )
 
         from app.db import Session
 

app/job_runner.py

@@ -3,7 +3,7 @@ Run scheduled jobs.
 Not meant for running job at precise time (+- 1h)
 """
 import time
-from typing import List
+from typing import List, Optional
 
 import arrow
 from sqlalchemy.sql.expression import or_, and_
@@ -240,7 +240,7 @@ def process_job(job: Job):
 
     elif job.name == config.JOB_DELETE_DOMAIN:
         custom_domain_id = job.payload.get("custom_domain_id")
-        custom_domain = CustomDomain.get(custom_domain_id)
+        custom_domain: Optional[CustomDomain] = CustomDomain.get(custom_domain_id)
         if not custom_domain:
             return
 
@@ -252,16 +252,17 @@ def process_job(job: Job):
 
         LOG.d("Domain %s deleted", domain_name)
 
-        send_email(
+        if custom_domain.partner_id is None:
-            user.email,
+            send_email(
-            f"Your domain {domain_name} has been deleted",
+                user.email,
-            f"""Domain {domain_name} along with its aliases are deleted successfully.
+                f"Your domain {domain_name} has been deleted",
+                f"""Domain {domain_name} along with its aliases are deleted successfully.
 
-Regards,
+    Regards,
-SimpleLogin team.
+    SimpleLogin team.
-""",
+    """,
-            retries=3,
+                retries=3,
-        )
+            )
     elif job.name == config.JOB_SEND_USER_REPORT:
         export_job = ExportUserDataJob.create_from_job(job)
         if export_job:

app/migrations/versions/2024_091915_88dd7a0abf54_contact_flags_custom_domain_pending_deletion.py

@@ -0,0 +1,31 @@
+"""contact.flags and custom_domain.pending_deletion
+
+Revision ID: 88dd7a0abf54
+Revises: 2441b7ff5da9
+Create Date: 2024-09-19 15:41:20.910374
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '88dd7a0abf54'
+down_revision = '2441b7ff5da9'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('contact', sa.Column('flags', sa.Integer(), server_default='0', nullable=False))
+    op.add_column('custom_domain', sa.Column('pending_deletion', sa.Boolean(), server_default='0', nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('custom_domain', 'pending_deletion')
+    op.drop_column('contact', 'flags')
+    # ### end Alembic commands ###

app/migrations/versions/2024_093011_62afa3a10010_custom_domain_indices.py

@@ -0,0 +1,27 @@
+"""custom domain indices
+
+Revision ID: 62afa3a10010
+Revises: 88dd7a0abf54
+Create Date: 2024-09-30 11:40:04.127791
+
+"""
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = '62afa3a10010'
+down_revision = '88dd7a0abf54'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.get_context().autocommit_block():
+        op.create_index('ix_custom_domain_pending_deletion', 'custom_domain', ['pending_deletion'], unique=False, postgresql_concurrently=True)
+        op.create_index('ix_custom_domain_user_id', 'custom_domain', ['user_id'], unique=False, postgresql_concurrently=True)
+
+
+def downgrade():
+    with op.get_context().autocommit_block():
+        op.drop_index('ix_custom_domain_user_id', table_name='custom_domain', postgresql_concurrently=True)
+        op.drop_index('ix_custom_domain_pending_deletion', table_name='custom_domain', postgresql_concurrently=True)

app/monitoring.py

@@ -94,6 +94,20 @@ def log_nb_db_connection():
     newrelic.agent.record_custom_metric("Custom/nb_db_connections", nb_connection)
 
 
+@newrelic.agent.background_task()
+def log_nb_db_connection_by_app_name():
+    # get the number of connections to the DB
+    rows = Session.execute(
+        "SELECT application_name, count(datid) FROM pg_stat_activity group by application_name"
+    )
+    for row in rows:
+        if row[0].find("sl-") == 0:
+            LOG.d("number of db connections for app %s = %s", row[0], row[1])
+            newrelic.agent.record_custom_metric(
+                f"Custom/nb_db_app_connection/{row[0]}", row[1]
+            )
+
+
 @newrelic.agent.background_task()
 def log_pending_to_process_events():
     r = Session.execute("select count(*) from sync_event WHERE taken_time IS NULL;")
@@ -125,6 +139,21 @@ def log_events_pending_dead_letter():
     )
 
 
+@newrelic.agent.background_task()
+def log_failed_events():
+    r = Session.execute(
+        """
+        SELECT COUNT(*)
+        FROM sync_event
+        WHERE retry_count >= 10;
+        """,
+    )
+    failed_events = list(r)[0][0]
+
+    LOG.d("number of failed events %s", failed_events)
+    newrelic.agent.record_custom_metric("Custom/sync_events_failed", failed_events)
+
+
 if __name__ == "__main__":
     exporter = MetricExporter(get_newrelic_license())
     while True:
@@ -132,6 +161,8 @@ if __name__ == "__main__":
         log_nb_db_connection()
         log_pending_to_process_events()
         log_events_pending_dead_letter()
+        log_failed_events()
+        log_nb_db_connection_by_app_name()
         Session.close()
 
         exporter.run()

app/tests/api/test_alias.py

@@ -536,7 +536,7 @@ def test_create_contact_route_free_users(flask_client):
     assert r.status_code == 201
 
     # End trial and disallow for new free users. Config should allow it
-    user.flags = User.FLAG_FREE_DISABLE_CREATE_ALIAS
+    user.flags = User.FLAG_DISABLE_CREATE_CONTACTS
     Session.commit()
     r = flask_client.post(
         url_for("api.create_contact_route", alias_id=alias.id),

app/tests/dashboard/test_alias_contact_manager.py

@@ -4,7 +4,7 @@ from app.models import (
     Alias,
     Contact,
 )
-from tests.utils import login
+from tests.utils import login, random_email
 
 
 def test_add_contact_success(flask_client):
@@ -13,26 +13,28 @@ def test_add_contact_success(flask_client):
 
     assert Contact.filter_by(user_id=user.id).count() == 0
 
+    email = random_email()
     # <<< Create a new contact >>>
     flask_client.post(
         url_for("dashboard.alias_contact_manager", alias_id=alias.id),
         data={
             "form-name": "create",
-            "email": "abcd@gmail.com",
+            "email": email,
         },
         follow_redirects=True,
     )
     # a new contact is added
     assert Contact.filter_by(user_id=user.id).count() == 1
     contact = Contact.filter_by(user_id=user.id).first()
-    assert contact.website_email == "abcd@gmail.com"
+    assert contact.website_email == email
 
     # <<< Create a new contact using a full email format >>>
+    email = random_email()
     flask_client.post(
         url_for("dashboard.alias_contact_manager", alias_id=alias.id),
         data={
             "form-name": "create",
-            "email": "First Last <another@gmail.com>",
+            "email": f"First Last <{email}>",
         },
         follow_redirects=True,
     )
@@ -41,7 +43,7 @@ def test_add_contact_success(flask_client):
     contact = (
         Contact.filter_by(user_id=user.id).filter(Contact.id != contact.id).first()
     )
-    assert contact.website_email == "another@gmail.com"
+    assert contact.website_email == email
     assert contact.name == "First Last"
 
     # <<< Create a new contact with invalid email address >>>

app/tests/test_contact_utils.py

@@ -0,0 +1,196 @@
+from typing import Optional
+
+import pytest
+
+from app import config
+from app.contact_utils import create_contact, ContactCreateError
+from app.db import Session
+from app.models import (
+    Alias,
+    Contact,
+    User,
+)
+from tests.utils import create_new_user, random_email, random_token
+
+
+def setup_module(module):
+    config.DISABLE_CREATE_CONTACTS_FOR_FREE_USERS = True
+
+
+def teardown_module(module):
+    config.DISABLE_CREATE_CONTACTS_FOR_FREE_USERS = False
+
+
+def create_provider():
+    # name auto_created from_partner
+    yield ["name", "a@b.c", True, True]
+    yield [None, None, True, True]
+    yield [None, None, False, True]
+    yield [None, None, True, False]
+    yield [None, None, False, False]
+
+
+@pytest.mark.parametrize(
+    "name, mail_from, automatic_created, from_partner", create_provider()
+)
+def test_create_contact(
+    name: Optional[str],
+    mail_from: Optional[str],
+    automatic_created: bool,
+    from_partner: bool,
+):
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    email = random_email()
+    contact_result = create_contact(
+        email,
+        alias,
+        name=name,
+        mail_from=mail_from,
+        automatic_created=automatic_created,
+        from_partner=from_partner,
+    )
+    assert contact_result.error is None
+    contact = contact_result.contact
+    assert contact.user_id == user.id
+    assert contact.alias_id == alias.id
+    assert contact.website_email == email
+    assert contact.name == name
+    assert contact.mail_from == mail_from
+    assert contact.automatic_created == automatic_created
+    assert not contact.invalid_email
+    expected_flags = Contact.FLAG_PARTNER_CREATED if from_partner else 0
+    assert contact.flags == expected_flags
+
+
+def test_create_contact_email_email_not_allowed():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    contact_result = create_contact("", alias)
+    assert contact_result.contact is None
+    assert contact_result.error == ContactCreateError.InvalidEmail
+
+
+def test_create_contact_email_email_allowed():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    contact_result = create_contact("", alias, allow_empty_email=True)
+    assert contact_result.error is None
+    assert contact_result.contact is not None
+    assert contact_result.contact.website_email == ""
+    assert contact_result.contact.invalid_email
+
+
+def test_create_contact_name_overrides_email_name():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    email = random_email()
+    name = random_token()
+    contact_result = create_contact(f"superseeded <{email}>", alias, name=name)
+    assert contact_result.error is None
+    assert contact_result.contact is not None
+    assert contact_result.contact.website_email == email
+    assert contact_result.contact.name == name
+
+
+def test_create_contact_name_taken_from_email():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    email = random_email()
+    name = random_token()
+    contact_result = create_contact(f"{name} <{email}>", alias)
+    assert contact_result.error is None
+    assert contact_result.contact is not None
+    assert contact_result.contact.website_email == email
+    assert contact_result.contact.name == name
+
+
+def test_create_contact_empty_name_is_none():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    email = random_email()
+    contact_result = create_contact(email, alias, name="")
+    assert contact_result.error is None
+    assert contact_result.contact is not None
+    assert contact_result.contact.website_email == email
+    assert contact_result.contact.name is None
+
+
+def test_create_contact_free_user():
+    user = create_new_user()
+    user.trial_end = None
+    user.flags = 0
+    alias = Alias.create_new_random(user)
+    Session.flush()
+    # Free users without the FREE_DISABLE_CREATE_CONTACTS
+    result = create_contact(random_email(), alias)
+    assert result.error is None
+    assert result.created
+    assert result.contact is not None
+    assert not result.contact.automatic_created
+    # Free users with the flag should be able to still create automatic emails
+    user.flags = User.FLAG_DISABLE_CREATE_CONTACTS
+    Session.flush()
+    result = create_contact(random_email(), alias, automatic_created=True)
+    assert result.error is None
+    assert result.created
+    assert result.contact is not None
+    assert result.contact.automatic_created
+    # Free users with the flag cannot create non-automatic emails
+    result = create_contact(random_email(), alias)
+    assert result.error == ContactCreateError.NotAllowed
+
+
+def test_do_not_allow_invalid_email():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    contact_result = create_contact("potato", alias)
+    assert contact_result.contact is None
+    assert contact_result.error == ContactCreateError.InvalidEmail
+    contact_result = create_contact("asdf\x00@gmail.com", alias)
+    assert contact_result.contact is None
+    assert contact_result.error == ContactCreateError.InvalidEmail
+
+
+def test_update_name_for_existing():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    email = random_email()
+    contact_result = create_contact(email, alias)
+    assert contact_result.error is None
+    assert contact_result.created
+    assert contact_result.contact is not None
+    assert contact_result.contact.name is None
+    name = random_token()
+    contact_result = create_contact(email, alias, name=name)
+    assert contact_result.error is None
+    assert not contact_result.created
+    assert contact_result.contact is not None
+    assert contact_result.contact.name == name
+
+
+def test_update_mail_from_for_existing():
+    user = create_new_user()
+    alias = Alias.create_new_random(user)
+    Session.commit()
+    email = random_email()
+    contact_result = create_contact(email, alias)
+    assert contact_result.error is None
+    assert contact_result.created
+    assert contact_result.contact is not None
+    assert contact_result.contact is not None
+    assert contact_result.contact.mail_from is None
+    mail_from = random_email()
+    contact_result = create_contact(email, alias, mail_from=mail_from)
+    assert contact_result.error is None
+    assert not contact_result.created
+    assert contact_result.contact is not None
+    assert contact_result.contact.mail_from == mail_from