Files
BanGUI/backend/app/models/config.py
Lukas 7f81f0614b Stage 7: configuration view — backend service, routers, tests, and frontend
- config_service.py: read/write jail config via asyncio.gather, global
  settings, in-process regex validation, log preview via _read_tail_lines
- server_service.py: read/write server settings, flush logs
- config router: 9 endpoints for jail/global config, regex-test,
  logpath management, log preview
- server router: GET/PUT settings, POST flush-logs
- models/config.py expanded with JailConfig, GlobalConfigUpdate,
  LogPreview* models
- 285 tests pass (68 new), ruff clean, mypy clean (44 files)
- Frontend: types/config.ts, api/config.ts, hooks/useConfig.ts,
  ConfigPage.tsx full implementation (Jails accordion editor,
  Global config, Server settings, Regex Tester with preview)
- Fixed pre-existing frontend lint: JSX.Element → React.JSX.Element
  (10 files), void/promise patterns in useServerStatus + useJails,
  no-misused-spread in client.ts, eslint.config.ts self-excluded
2026-03-01 14:37:55 +01:00

172 lines
6.2 KiB
Python

"""Configuration view/edit Pydantic models.
Request, response, and domain models for the config router and service.
"""
from pydantic import BaseModel, ConfigDict, Field
# ---------------------------------------------------------------------------
# Jail configuration models
# ---------------------------------------------------------------------------
class JailConfig(BaseModel):
"""Configuration snapshot of a single jail (editable fields)."""
model_config = ConfigDict(strict=True)
name: str = Field(..., description="Jail name as configured in fail2ban.")
ban_time: int = Field(..., description="Ban duration in seconds. -1 for permanent.")
max_retry: int = Field(..., ge=1, description="Number of failures before a ban is issued.")
find_time: int = Field(..., ge=1, description="Time window (seconds) for counting failures.")
fail_regex: list[str] = Field(default_factory=list, description="Failure detection regex patterns.")
ignore_regex: list[str] = Field(default_factory=list, description="Regex patterns that bypass the ban logic.")
log_paths: list[str] = Field(default_factory=list, description="Monitored log files.")
date_pattern: str | None = Field(default=None, description="Custom date pattern for log parsing.")
log_encoding: str = Field(default="UTF-8", description="Log file encoding.")
backend: str = Field(default="polling", description="Log monitoring backend.")
actions: list[str] = Field(default_factory=list, description="Names of actions attached to this jail.")
class JailConfigResponse(BaseModel):
"""Response for ``GET /api/config/jails/{name}``."""
model_config = ConfigDict(strict=True)
jail: JailConfig
class JailConfigListResponse(BaseModel):
"""Response for ``GET /api/config/jails``."""
model_config = ConfigDict(strict=True)
jails: list[JailConfig] = Field(default_factory=list)
total: int = Field(..., ge=0)
class JailConfigUpdate(BaseModel):
"""Payload for ``PUT /api/config/jails/{name}``."""
model_config = ConfigDict(strict=True)
ban_time: int | None = Field(default=None, description="Ban duration in seconds. -1 for permanent.")
max_retry: int | None = Field(default=None, ge=1)
find_time: int | None = Field(default=None, ge=1)
fail_regex: list[str] | None = Field(default=None, description="Failure detection regex patterns.")
ignore_regex: list[str] | None = Field(default=None)
date_pattern: str | None = Field(default=None)
dns_mode: str | None = Field(default=None, description="DNS lookup mode: raw | warn | no.")
enabled: bool | None = Field(default=None)
# ---------------------------------------------------------------------------
# Regex tester models
# ---------------------------------------------------------------------------
class RegexTestRequest(BaseModel):
"""Payload for ``POST /api/config/regex-test``."""
model_config = ConfigDict(strict=True)
log_line: str = Field(..., description="Sample log line to test against.")
fail_regex: str = Field(..., description="Regex pattern to match.")
class RegexTestResponse(BaseModel):
"""Result of a regex test."""
model_config = ConfigDict(strict=True)
matched: bool = Field(..., description="Whether the pattern matched the log line.")
groups: list[str] = Field(
default_factory=list,
description="Named groups captured by a successful match.",
)
error: str | None = Field(
default=None,
description="Compilation error message if the regex is invalid.",
)
# ---------------------------------------------------------------------------
# Global config models
# ---------------------------------------------------------------------------
class GlobalConfigResponse(BaseModel):
"""Response for ``GET /api/config/global``."""
model_config = ConfigDict(strict=True)
log_level: str
log_target: str
db_purge_age: int = Field(..., description="Seconds after which ban records are purged from the fail2ban DB.")
db_max_matches: int = Field(..., description="Maximum stored log-line matches per ban record.")
class GlobalConfigUpdate(BaseModel):
"""Payload for ``PUT /api/config/global``."""
model_config = ConfigDict(strict=True)
log_level: str | None = Field(
default=None,
description="Log level: CRITICAL, ERROR, WARNING, NOTICE, INFO, DEBUG.",
)
log_target: str | None = Field(
default=None,
description="Log target: STDOUT, STDERR, SYSLOG, SYSTEMD-JOURNAL, or a file path.",
)
db_purge_age: int | None = Field(default=None, ge=0)
db_max_matches: int | None = Field(default=None, ge=0)
# ---------------------------------------------------------------------------
# Log observation / preview models
# ---------------------------------------------------------------------------
class AddLogPathRequest(BaseModel):
"""Payload for ``POST /api/config/jails/{name}/logpath``."""
model_config = ConfigDict(strict=True)
log_path: str = Field(..., description="Absolute path to the log file to monitor.")
tail: bool = Field(
default=True,
description="If true, monitor from current end of file (tail). If false, read from the beginning.",
)
class LogPreviewRequest(BaseModel):
"""Payload for ``POST /api/config/preview-log``."""
model_config = ConfigDict(strict=True)
log_path: str = Field(..., description="Absolute path to the log file to preview.")
fail_regex: str = Field(..., description="Regex pattern to test against log lines.")
num_lines: int = Field(default=200, ge=1, le=5000, description="Number of lines to read from the end of the file.")
class LogPreviewLine(BaseModel):
"""A single log line with match information."""
model_config = ConfigDict(strict=True)
line: str
matched: bool
groups: list[str] = Field(default_factory=list)
class LogPreviewResponse(BaseModel):
"""Response for ``POST /api/config/preview-log``."""
model_config = ConfigDict(strict=True)
lines: list[LogPreviewLine] = Field(default_factory=list)
total_lines: int = Field(..., ge=0)
matched_count: int = Field(..., ge=0)
regex_error: str | None = Field(default=None, description="Set if the regex failed to compile.")