Files
govoplan-core/src/govoplan_core/mail/config.py
2026-07-14 13:22:10 +02:00

108 lines
3.3 KiB
Python

from __future__ import annotations
from enum import StrEnum
from typing import Any
from pydantic import BaseModel, ConfigDict, Field, model_validator
class StrictModel(BaseModel):
model_config = ConfigDict(extra="forbid", populate_by_name=True)
class TransportSecurity(StrEnum):
PLAIN = "plain"
TLS = "tls"
STARTTLS = "starttls"
class TransportCredentials(StrictModel):
username: str | None = None
password: str | None = None
class SmtpServerConfig(StrictModel):
host: str | None = None
port: int | None = Field(default=None, ge=1, le=65535)
security: TransportSecurity = TransportSecurity.STARTTLS
timeout_seconds: int = Field(default=30, ge=1)
@model_validator(mode="after")
def apply_default_port(self) -> "SmtpServerConfig":
if self.port is None:
self.port = default_smtp_port(self.security)
return self
class ImapServerConfig(StrictModel):
host: str | None = None
port: int | None = Field(default=None, ge=1, le=65535)
security: TransportSecurity = TransportSecurity.TLS
sent_folder: str = "auto"
timeout_seconds: int = Field(default=30, ge=1)
@model_validator(mode="before")
@classmethod
def discard_legacy_enabled(cls, value: Any) -> Any:
if isinstance(value, dict) and "enabled" in value:
data = dict(value)
data.pop("enabled", None)
return data
return value
@model_validator(mode="after")
def apply_default_port(self) -> "ImapServerConfig":
if self.port is None:
self.port = default_imap_port(self.security)
return self
class SmtpConfig(SmtpServerConfig):
username: str | None = None
password: str | None = None
class ImapConfig(ImapServerConfig):
username: str | None = None
password: str | None = None
def normalize_split_transport_credentials(value: object) -> object:
"""Move legacy transport username/password fields into credentials."""
if not isinstance(value, dict):
return value
data = dict(value)
credentials = data.get("credentials") if isinstance(data.get("credentials"), dict) else {}
credentials = {key: dict(item) for key, item in credentials.items() if isinstance(item, dict)}
for protocol in ("smtp", "imap"):
transport = data.get(protocol)
if not isinstance(transport, dict):
continue
next_transport = dict(transport)
next_credentials = dict(credentials.get(protocol) or {})
for field in ("username", "password"):
if field in next_transport and field not in next_credentials:
next_credentials[field] = next_transport[field]
next_transport.pop(field, None)
next_transport.pop("enabled", None)
data[protocol] = next_transport
if next_credentials:
credentials[protocol] = next_credentials
if credentials:
data["credentials"] = credentials
return data
def default_smtp_port(security: TransportSecurity | str | None) -> int:
if security == TransportSecurity.TLS or security == "tls":
return 465
if security == TransportSecurity.PLAIN or security == "plain":
return 25
return 587
def default_imap_port(security: TransportSecurity | str | None) -> int:
if security == TransportSecurity.TLS or security == "tls":
return 993
return 143