security: H-1 settings-Whitelist + H-5 UUID-Guard + H-6 DNS-Pinning + H-7 Heartbeat-Timing
H-1: company.settings als typisiertes Sub-Schema - schemas/company.py: CompanySettingsUpdate mit extra=forbid - Nur bekannte Keys (carryover_expires_month/day) erlaubt - Unbekannte Keys → HTTP 422 H-5: SQL-Injection defensiv absichern - dependencies.py: UUID-Round-Trip str(_uuid.UUID(...)) + Sicherheitskommentar H-6: CalDAV DNS-Rebinding-Schutz - caldav_service.py: PinnedIPTransport — IP einmal auflösen, beim Request fixieren - _validate_caldav_url gibt aufgelöste IP zurück - Alle HTTP-Methoden nutzen PinnedIPTransport H-7: Heartbeat-Timestamp nach Route-Logik - kiosk_security.py: last_heartbeat_at-Update aus Dependency entfernt - kiosk_service.py: Update erst in process_heartbeat() nach erfolgreicher Auth Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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@@ -1,12 +1,25 @@
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import uuid
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from typing import Literal
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from pydantic import BaseModel, Field
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from pydantic import BaseModel, ConfigDict, Field
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PersonnelNumberModeT = Literal["manual", "auto"]
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class CompanySettingsUpdate(BaseModel):
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"""Validiertes Sub-Schema für das company.settings JSONB-Feld.
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Nur bekannte Top-Level-Keys sind erlaubt (extra="forbid").
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Derzeit genutzte Keys: carryover_expires_month, carryover_expires_day
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(gelesen in absences.py für Resturlaub-Verfall-Berechnung).
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"""
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model_config = ConfigDict(extra="forbid")
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carryover_expires_month: int | None = Field(None, ge=1, le=12)
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carryover_expires_day: int | None = Field(None, ge=1, le=31)
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class CompanyOut(BaseModel):
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model_config = {"from_attributes": True}
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@@ -37,7 +50,7 @@ class CompanyOut(BaseModel):
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class CompanyUpdate(BaseModel):
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name: str | None = Field(None, min_length=2, max_length=255)
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state: str | None = Field(None, max_length=10)
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settings: dict | None = None
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settings: CompanySettingsUpdate | None = None
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personnel_number_required: bool | None = None
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personnel_number_mode: PersonnelNumberModeT | None = None
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personnel_number_next: int | None = Field(None, ge=1)
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