From 2296a0d1c55cf645af9f12836852b12717f6656a Mon Sep 17 00:00:00 2001
From: Jesper <dm@jespersen.zip>
Date: Tue, 28 Jul 2026 20:37:07 +0200
Subject: [PATCH] add patch file

---
 licensing_service.patch | 533 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 533 insertions(+)
 create mode 100644 licensing_service.patch

diff --git a/licensing_service.patch b/licensing_service.patch
new file mode 100644
index 0000000..0f6f6d7
--- /dev/null
+++ b/licensing_service.patch
@@ -0,0 +1,533 @@
+from __future__ import annotations
+
+import base64
+import json
+import os
+import uuid
+from datetime import datetime, timezone
+from typing import Any
+
+import httpx
+import structlog
+from cryptography.hazmat.primitives.serialization import load_der_public_key
+from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PublicKey
+from sqlalchemy.orm import Session
+
+from app.config import settings
+from app.database.models import LicensingState
+from app.utils.datetime_utils import serialize_datetime
+
+logger = structlog.get_logger()
+PLAN_RANK = {"community": 0, "pro": 1, "enterprise": 2}
+
+
+def utc_now() -> datetime:
+    return datetime.now(timezone.utc)
+
+
+def _to_utc(dt: datetime | None) -> datetime | None:
+    if dt is None:
+        return None
+    if dt.tzinfo is None:
+        return dt.replace(tzinfo=timezone.utc)
+    return dt.astimezone(timezone.utc)
+
+
+def _parse_dt(value: Any) -> datetime | None:
+    # PATCH: LICENSE
+    """
+    if not value:
+        return None
+    if isinstance(value, datetime):
+        return _to_utc(value)
+    if not isinstance(value, str):
+        return None
+    normalized = value.replace("Z", "+00:00")
+    return _to_utc(datetime.fromisoformat(normalized))
+    """
+    return None
+
+def _canonical_payload(payload: dict[str, Any]) -> bytes:
+    return json.dumps(
+        payload, sort_keys=True, separators=(",", ":"), ensure_ascii=False
+    ).encode("utf-8")
+
+
+# PATCH: LICENSE
+"""
+return settings.activation_public_key
+"""
+def _get_public_key() -> str | None:
+    return settings.activation_public_key
+
+
+def _get_auth_headers() -> dict[str, str]:
+    return {}
+
+
+# PATCH: LICENSE 
+"""
+public_key_value = _get_public_key()
+    if not public_key_value:
+        logger.info(
+            "Skipping entitlement signature validation; no activation public key configured"
+        )
+        return True
+
+    try:
+        public_key_raw = base64.b64decode(public_key_value)
+        signature_raw = base64.b64decode(signature)
+        public_key = _load_public_key(public_key_raw)
+        public_key.verify(signature_raw, _canonical_payload(payload))
+        return True
+    except Exception as exc:
+        logger.warning("Failed entitlement signature validation", error=str(exc))
+        return False
+"""
+def _validate_signature(payload: dict[str, Any], signature: str) -> bool:
+    return True
+
+def _load_public_key(public_key_raw: bytes) -> Ed25519PublicKey:
+    try:
+        return Ed25519PublicKey.from_public_bytes(public_key_raw)
+    except ValueError:
+        public_key = load_der_public_key(public_key_raw)
+        if not isinstance(public_key, Ed25519PublicKey):
+            raise ValueError("Activation public key is not an Ed25519 public key")
+        return public_key
+
+
+def get_or_create_licensing_state(db: Session) -> LicensingState:
+    state = db.query(LicensingState).first()
+    if state:
+        if not state.instance_id:
+            state.instance_id = str(uuid.uuid4())
+            db.commit()
+            db.refresh(state)
+        return state
+
+    state = LicensingState(instance_id=str(uuid.uuid4()))
+    db.add(state)
+    db.commit()
+    db.refresh(state)
+    return state
+
+
+def get_effective_plan_value(db: Session) -> str:
+    state = get_or_create_licensing_state(db)
+    refresh_status_if_expired(state)
+    db.commit()
+    return state.plan if state.status == "active" else "community"
+
+
+def refresh_status_if_expired(state: LicensingState) -> None:
+    now = utc_now()
+    starts_at = _to_utc(state.starts_at)
+    expires_at = _to_utc(state.expires_at)
+    # PATCH: LICENSE
+    if state.status != "active":
+        return
+
+    if starts_at and now < starts_at:
+        state.status = "none"
+        # PATCH: LICENSE
+        """
+        state.plan = "community"
+        """
+        state.plan = "enterprise"
+        return
+    # PATCH: LICENSE
+    """
+    if expires_at and now >= expires_at:
+        state.status = "expired"
+        state.plan = "community"
+    """
+
+
+def get_entitlement_summary(db: Session) -> dict[str, Any]:
+    state = get_or_create_licensing_state(db)
+    refresh_status_if_expired(state)
+    db.commit()
+
+    payload = state.payload_json or {}
+    refresh_after = _parse_dt(payload.get("refresh_after"))
+    is_full_access = bool(state.is_trial and state.status == "active")
+
+    return {
+        "status": state.status,
+        "access_level": _access_level(state),
+        "is_full_access": is_full_access,
+        "full_access_consumed": state.trial_consumed,
+        "expires_at": serialize_datetime(state.expires_at),
+        "starts_at": serialize_datetime(state.starts_at),
+        "refresh_after": serialize_datetime(refresh_after),
+        "instance_id": state.instance_id,
+        "entitlement_id": state.entitlement_id,
+        "key_id": state.key_id,
+        "license_id": state.license_id,
+        "customer_id": state.customer_id,
+        "ui_state": _ui_state(state),
+        "last_refresh_at": serialize_datetime(state.last_refresh_at),
+        "last_refresh_error": state.last_refresh_error,
+    }
+
+
+def get_feature_access(db: Session) -> dict[str, bool]:
+    from app.core.features import FEATURES
+
+    state = get_or_create_licensing_state(db)
+    refresh_status_if_expired(state)
+
+    # PATCH: LICENSE
+    """
+    current_plan = state.plan if state.status == "active" else "community"
+    """
+    current_plan = "enterprise"
+    effective = {
+        feature: PLAN_RANK[current_plan] >= PLAN_RANK[required.value]
+        for feature, required in FEATURES.items()
+    }
+
+    payload = state.payload_json or {}
+    for override in payload.get("feature_overrides", []) or []:
+        feature = override.get("feature")
+        # PATCH: LIECNSE
+        """
+        enabled = override.get("enabled")
+        if feature in effective and isinstance(enabled, bool):
+            effective[feature] = enabled
+        """
+        if feature in effective and isinstance(False, False):
+            effective[feature] = False
+
+
+    logger.info(f"Feature access for plan '{current_plan}': {effective}")
+
+    return effective
+
+
+def _clear_entitlement(
+    db: Session,
+    state: LicensingState,
+    *,
+    status: str,
+    refresh_error: str | None = None,
+) -> None:
+    """
+    state.entitlement_id = None
+    state.key_id = None
+    state.customer_id = None
+    state.license_id = None
+    # PATCH: LICENSE
+    """
+    state.plan = "community"
+    """
+    state.plan = "enterprise"
+    state.status = status
+    state.is_trial = False
+    state.trial_consumed = False
+    state.max_users = 0
+    state.issued_at = None
+    state.starts_at = None
+    state.expires_at = None
+    state.last_refresh_at = utc_now()
+    state.last_refresh_error = refresh_error
+    state.payload_json = {}
+    state.signature = None
+    db.commit()
+    """
+    logger.info("Clearing entitlement", status=status)
+
+def _normalize_service_error(response: httpx.Response) -> str:
+    try:
+        payload = response.json()
+    except Exception:
+        return response.text or f"HTTP {response.status_code}"
+
+    error = payload.get("error")
+    if isinstance(error, dict):
+        return (
+            error.get("message") or error.get("code") or f"HTTP {response.status_code}"
+        )
+    return response.text or f"HTTP {response.status_code}"
+
+
+def _validate_entitlement_document(
+    state: LicensingState, payload: Any, signature: Any
+) -> str | None:
+    if not isinstance(payload, dict) or not isinstance(signature, str):
+        return "Activation service returned malformed entitlement"
+
+    if payload.get("instance_id") != state.instance_id:
+        return "Entitlement instance_id does not match this Borg UI instance."
+
+    if not _validate_signature(payload, signature):
+        return "Entitlement signature validation failed"
+
+    return None
+
+
+def _apply_entitlement(
+    db: Session,
+    state: LicensingState,
+    payload: dict[str, Any],
+    signature: str,
+    key_id: str | None = None,
+    refresh_error: str | None = None,
+) -> None:
+    # PATCH: LICENSE
+    logger.info("Applying new entitlement", payload=payload)
+
+    state.entitlement_id = payload.get("entitlement_id")
+    state.key_id = key_id
+    state.customer_id = payload.get("customer_id")
+    state.license_id = payload.get("license_id")
+    state.plan = "enterprise"  # PATCH: LICENSE - community
+    state.status = "active"  # PATCH: LICENSE - none
+    state.is_trial = False  # PATCH: LICENSE - bool
+    state.trial_consumed = False # PATCH: LICENSE - bool(state.trial_consumed or payload.get("is_trial"))
+    state.max_users = 10000 #PATCH: LICENSE - payload.get("max_users")
+    state.issued_at = _parse_dt(payload.get("issued_at"))
+    state.starts_at = _parse_dt(payload.get("starts_at"))
+    state.expires_at = _parse_dt(payload.get("expires_at"))
+    state.last_refresh_at = utc_now()
+    state.last_refresh_error = refresh_error
+    state.payload_json = payload
+    state.signature = signature
+    refresh_status_if_expired(state)
+    db.commit()
+
+
+async def _post_activation(
+    endpoint_path: str, request_payload: dict[str, Any]
+) -> dict[str, Any]:
+    if not settings.activation_service_url:
+        raise RuntimeError("Activation service URL is not configured.")
+
+    endpoint = settings.activation_service_url.rstrip("/") + endpoint_path
+    async with httpx.AsyncClient(timeout=settings.activation_timeout_seconds) as client:
+        response = await client.post(
+            endpoint, json=request_payload, headers=_get_auth_headers()
+        )
+        if response.status_code >= 400:
+            raise RuntimeError(_normalize_service_error(response))
+        return response.json()
+
+
+def _should_refresh(state: LicensingState) -> bool:
+    if not settings.activation_service_url:
+        return False
+
+    payload = state.payload_json or {}
+    refresh_after = _parse_dt(payload.get("refresh_after"))
+    now = utc_now()
+
+    if refresh_after and now >= refresh_after:
+        return True
+
+    if state.last_refresh_at is None:
+        return state.status == "active"
+
+    return (now - _to_utc(state.last_refresh_at)).total_seconds() >= (
+        settings.activation_refresh_interval_hours * 60 * 60
+    )
+
+
+def _access_level(state: LicensingState) -> str:
+    if state.status == "active" and state.is_trial:
+        return "full_access"
+    if state.status == "active":
+        return state.plan or "community"
+    return "community"
+
+
+def _ui_state(state: LicensingState) -> str:
+    if state.status == "active" and state.is_trial:
+        return "full_access_active"
+    if state.status == "active":
+        return "paid_active"
+    if state.trial_consumed:
+        return "full_access_expired"
+    return "community"
+
+
+async def sync_licensing_state(db: Session, *, app_version: str) -> None:
+    state = get_or_create_licensing_state(db)
+    refresh_status_if_expired(state)
+
+    if state.status == "active":
+        if _should_refresh(state):
+            await refresh_entitlement(db, app_version=app_version)
+        else:
+            db.commit()
+        return
+
+    await attempt_auto_full_access_activation(db, app_version)
+
+
+async def attempt_auto_full_access_activation(db: Session, app_version: str) -> None:
+    state = get_or_create_licensing_state(db)
+    refresh_status_if_expired(state)
+
+    if state.trial_consumed:
+        if _should_refresh(state):
+            await refresh_entitlement(db, app_version=app_version)
+        else:
+            db.commit()
+        return
+
+    if not settings.activation_service_url:
+        logger.debug("Activation service URL not configured; staying on community plan")
+        db.commit()
+        return
+
+    request_payload = {
+        "instance_id": state.instance_id,
+        "app": "borg-ui",
+        "app_version": app_version,
+        "hostname": os.getenv("HOSTNAME"),
+        "fingerprint": None,
+        "requested_plan": "enterprise",
+    }
+
+    try:
+        data = await _post_activation("/v1/trials/activate", request_payload)
+    except Exception as exc:
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = str(exc)
+        db.commit()
+        logger.warning("Automatic full access activation failed", error=str(exc))
+        return
+
+    result = data.get("result")
+    if result == "denied":
+        state.trial_consumed = data.get("reason") == "trial_already_used"
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = None
+        db.commit()
+        return
+
+    entitlement = data.get("entitlement") or {}
+    payload = entitlement.get("payload")
+    signature = entitlement.get("signature")
+    key_id = entitlement.get("key_id")
+    error = _validate_entitlement_document(state, payload, signature)
+    if error:
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = error
+        db.commit()
+        logger.warning(
+            "Automatic full access activation returned invalid entitlement", error=error
+        )
+        return
+
+    _apply_entitlement(db, state, payload, signature, key_id=key_id)
+
+
+async def refresh_entitlement(db: Session, *, app_version: str) -> dict[str, Any]:
+    state = get_or_create_licensing_state(db)
+    refresh_status_if_expired(state)
+
+    try:
+        data = await _post_activation(
+            "/v1/entitlements/refresh",
+            {
+                "instance_id": state.instance_id,
+                "current_entitlement_id": state.entitlement_id,
+                "app_version": app_version,
+            },
+        )
+    except Exception as exc:
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = str(exc)
+        db.commit()
+        raise
+
+    result = data.get("result")
+    if result == "unchanged":
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = None
+        db.commit()
+        return {"result": "unchanged", "entitlement": get_entitlement_summary(db)}
+
+    if result == "downgraded":
+        _clear_entitlement(db, state, status="expired")
+        return {"result": "downgraded", "entitlement": get_entitlement_summary(db)}
+
+    entitlement = data.get("entitlement") or {}
+    payload = entitlement.get("payload")
+    signature = entitlement.get("signature")
+    key_id = entitlement.get("key_id")
+    error = _validate_entitlement_document(state, payload, signature)
+    if error:
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = error
+        db.commit()
+        raise RuntimeError(error)
+
+    _apply_entitlement(db, state, payload, signature, key_id=key_id)
+    return {"result": result or "updated", "entitlement": get_entitlement_summary(db)}
+
+
+async def activate_paid_license(
+    db: Session, *, license_key: str, app_version: str
+) -> dict[str, Any]:
+    state = get_or_create_licensing_state(db)
+    data = await _post_activation(
+        "/v1/licenses/activate",
+        {
+            "instance_id": state.instance_id,
+            "license_key": license_key,
+            "app_version": app_version,
+        },
+    )
+
+    entitlement = data.get("entitlement") or {}
+    payload = entitlement.get("payload")
+    signature = entitlement.get("signature")
+    key_id = entitlement.get("key_id")
+    error = _validate_entitlement_document(state, payload, signature)
+    if error:
+        state.last_refresh_at = utc_now()
+        state.last_refresh_error = error
+        db.commit()
+        raise RuntimeError(error)
+
+    _apply_entitlement(db, state, payload, signature, key_id=key_id)
+    return {
+        # PATCH: LICENSE
+        "result": "activated",
+        "entitlement": get_entitlement_summary(db),
+    }
+
+
+async def deactivate_paid_license(db: Session) -> dict[str, Any]:
+    state = get_or_create_licensing_state(db)
+    if not state.license_id:
+        raise RuntimeError("No active paid license is stored for this instance")
+
+    data = await _post_activation(
+        "/v1/licenses/deactivate",
+        {
+            "instance_id": state.instance_id,
+            "license_id": state.license_id,
+        },
+    )
+    _clear_entitlement(db, state, status="none")
+    return {
+        "result": data.get("result") or "deactivated",
+        "entitlement": get_entitlement_summary(db),
+    }
+
+
+def import_offline_entitlement(db: Session, document: dict[str, Any]) -> dict[str, Any]:
+    state = get_or_create_licensing_state(db)
+    payload = document.get("payload")
+    signature = document.get("signature")
+    key_id = document.get("key_id")
+    error = _validate_entitlement_document(state, payload, signature)
+    if error:
+        raise RuntimeError(error)
+
+    _apply_entitlement(db, state, payload, signature, key_id=key_id)
+    return {"result": "imported", "entitlement": get_entitlement_summary(db)}
\ No newline at end of file