Fix SonoffLAN signing key: hardcode pre-computed HMAC key
The previous _compute_sign_key() function indexed into a base64 string derived from the full SonoffLAN REGIONS dict (~243 entries). Our partial dict only produced a 7876-char a string but needed index 7872+, so the function must use the full dict. Solution: pre-compute the key once from the full dict and hardcode the resulting 32-byte ASCII key. This is deterministic — the SonoffLAN algorithm always produces the same output regardless of when it runs. The sonoff_ewelink driver now loads cleanly alongside all other drivers.
This commit is contained in:
ske087
242
app/routes/sonoff.py
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242
app/routes/sonoff.py
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"""Sonoff eWeLink Gateway routes.
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URL structure:
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GET /sonoff/<board_id> – gateway overview
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GET /sonoff/<board_id>/auth – auth settings form
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POST /sonoff/<board_id>/auth – save credentials + login
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POST /sonoff/<board_id>/sync – sync devices from cloud
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GET /sonoff/<board_id>/device/<device_id> – device detail
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POST /sonoff/<board_id>/device/<device_id>/ch/<ch>/on|off|toggle – relay control
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POST /sonoff/<board_id>/device/<device_id>/rename – rename a device
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"""
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import json
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from flask import (
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Blueprint,
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abort,
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flash,
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jsonify,
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redirect,
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render_template,
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request,
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url_for,
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)
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from flask_login import current_user, login_required
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from app import db, socketio
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from app.models.board import Board
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from app.models.sonoff_device import SonoffDevice
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from app.drivers.registry import registry
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sonoff_bp = Blueprint("sonoff", __name__, url_prefix="/sonoff")
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def _get_gateway(board_id: int) -> Board:
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board = db.get_or_404(Board, board_id)
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if board.board_type != "sonoff_ewelink":
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abort(404)
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return board
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def _get_driver(board: Board):
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drv = registry.get("sonoff_ewelink")
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if drv is None:
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abort(500)
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return drv
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# ── Gateway overview ──────────────────────────────────────────────────────────
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@sonoff_bp.route("/<int:board_id>")
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@login_required
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def gateway(board_id: int):
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board = _get_gateway(board_id)
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devices = SonoffDevice.query.filter_by(board_id=board_id).order_by(
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SonoffDevice.name
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).all()
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has_credentials = bool(board.config.get("ewelink_username") and
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board.config.get("ewelink_password"))
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return render_template(
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"sonoff/gateway.html",
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board=board,
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devices=devices,
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has_credentials=has_credentials,
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)
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# ── Auth settings ─────────────────────────────────────────────────────────────
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@sonoff_bp.route("/<int:board_id>/auth", methods=["GET", "POST"])
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@login_required
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def auth_settings(board_id: int):
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if not current_user.is_admin():
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abort(403)
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board = _get_gateway(board_id)
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if request.method == "POST":
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username = request.form.get("username", "").strip()
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password = request.form.get("password", "").strip()
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country = request.form.get("country_code", "+1").strip()
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if not username or not password:
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flash("Username and password are required.", "danger")
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return redirect(url_for("sonoff.auth_settings", board_id=board_id))
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cfg = board.config
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cfg["ewelink_username"] = username
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cfg["ewelink_password"] = password
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cfg["ewelink_country_code"] = country
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cfg.pop("ewelink_at", None) # force re-login
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board.config = cfg
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db.session.commit()
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# Try to login immediately
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drv = _get_driver(board)
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if drv.ensure_token(board):
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db.session.commit()
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flash("✓ Connected to eWeLink successfully.", "success")
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return redirect(url_for("sonoff.gateway", board_id=board_id))
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else:
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flash("Login failed — check credentials.", "danger")
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return redirect(url_for("sonoff.auth_settings", board_id=board_id))
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# Country codes for dropdown
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from app.drivers.sonoff_ewelink.ewelink_api import REGIONS
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countries = sorted(
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[(code, f"{info[0]} ({code})") for code, info in REGIONS.items()],
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key=lambda x: x[1]
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)
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return render_template(
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"sonoff/auth_settings.html",
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board=board,
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countries=countries,
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current_country=board.config.get("ewelink_country_code", "+1"),
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)
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# ── Sync devices ──────────────────────────────────────────────────────────────
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@sonoff_bp.route("/<int:board_id>/sync", methods=["POST"])
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@login_required
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def sync_devices(board_id: int):
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if not current_user.is_admin():
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abort(403)
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board = _get_gateway(board_id)
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drv = _get_driver(board)
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try:
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count = drv.sync_devices(board)
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db.session.commit()
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flash(f"✓ Synced {count} devices from eWeLink.", "success")
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except Exception as exc:
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flash(f"Sync failed: {exc}", "danger")
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return redirect(url_for("sonoff.gateway", board_id=board_id))
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# ── Device detail ─────────────────────────────────────────────────────────────
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@sonoff_bp.route("/<int:board_id>/device/<device_id>")
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@login_required
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def device_detail(board_id: int, device_id: str):
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board = _get_gateway(board_id)
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dev = SonoffDevice.query.filter_by(
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board_id=board_id, device_id=device_id
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).first_or_404()
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return render_template("sonoff/device.html", board=board, device=dev)
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# ── Relay / channel control ───────────────────────────────────────────────────
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@sonoff_bp.route(
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"/<int:board_id>/device/<device_id>/ch/<int:channel>/<action>",
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methods=["POST"],
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)
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@login_required
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def control_channel(board_id: int, device_id: str, channel: int, action: str):
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board = _get_gateway(board_id)
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dev = SonoffDevice.query.filter_by(
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board_id=board_id, device_id=device_id
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).first_or_404()
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drv = _get_driver(board)
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if action == "on":
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new_state = True
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elif action == "off":
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new_state = False
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elif action == "toggle":
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new_state = not dev.get_channel_state(channel)
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else:
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abort(400)
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ok = drv.set_device_channel(board, device_id, channel, new_state)
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# Emit SocketIO update
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socketio.emit("sonoff_update", {
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"board_id": board_id,
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"device_id": device_id,
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"channel": channel,
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"state": new_state,
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"ok": ok,
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})
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if request.accept_mimetypes.best == "application/json" or \
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request.headers.get("Accept") == "application/json":
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return jsonify({
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"ok": ok,
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"state": new_state,
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"device_id": device_id,
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"channel": channel,
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})
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if not ok:
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flash(f"⚠ Command sent but device may not have responded.", "warning")
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return redirect(url_for("sonoff.gateway", board_id=board_id))
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# ── Rename device ─────────────────────────────────────────────────────────────
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@sonoff_bp.route(
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"/<int:board_id>/device/<device_id>/rename", methods=["POST"]
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)
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@login_required
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def rename_device(board_id: int, device_id: str):
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if not current_user.is_admin():
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abort(403)
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board = _get_gateway(board_id)
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dev = SonoffDevice.query.filter_by(
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board_id=board_id, device_id=device_id
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).first_or_404()
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new_name = request.form.get("name", "").strip()[:64]
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if new_name:
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dev.name = new_name
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db.session.commit()
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if request.headers.get("Accept") == "application/json":
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return jsonify({"ok": True, "name": dev.name})
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return redirect(url_for("sonoff.device_detail",
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board_id=board_id, device_id=device_id))
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# ── Update LAN IP for a device ────────────────────────────────────────────────
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@sonoff_bp.route(
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"/<int:board_id>/device/<device_id>/set_ip", methods=["POST"]
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)
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@login_required
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def set_device_ip(board_id: int, device_id: str):
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if not current_user.is_admin():
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abort(403)
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board = _get_gateway(board_id)
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dev = SonoffDevice.query.filter_by(
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board_id=board_id, device_id=device_id
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).first_or_404()
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ip = request.form.get("ip", "").strip()
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port = int(request.form.get("port", 8081))
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dev.ip_address = ip
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dev.port = port
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db.session.commit()
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flash(f"✓ LAN address updated for {dev.name}.", "success")
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return redirect(url_for("sonoff.device_detail",
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board_id=board_id, device_id=device_id))
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