@ankimcp/anki-mcp-server/dist/http/guards/origin-validation.guard.js

Model Context Protocol server for Anki - enables AI assistants to interact with your Anki flashcards

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
var OriginValidationGuard_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.OriginValidationGuard = void 0;
const common_1 = require("@nestjs/common");
const config_1 = require("../../config/index.js");
let OriginValidationGuard = OriginValidationGuard_1 = class OriginValidationGuard {
    logger = new common_1.Logger(OriginValidationGuard_1.name);
    allowedOrigins;
    constructor(config) {
        this.allowedOrigins = config.allowedOrigins;
    }
    canActivate(context) {
        const request = context.switchToHttp().getRequest();
        const origin = request.headers.origin || request.headers.referer;
        if (!origin) {
            return true;
        }
        const isAllowed = this.allowedOrigins.some((allowedOrigin) => this.matchesPattern(origin, allowedOrigin));
        if (!isAllowed) {
            this.logger.warn(`Rejected request from unauthorized origin: ${origin}`);
        }
        return isAllowed;
    }
    matchesPattern(origin, pattern) {
        if (origin === pattern) {
            return true;
        }
        if (pattern.includes("*")) {
            const regexPattern = pattern
                .replace(/\./g, "\\.")
                .replace(/\*/g, ".*");
            const regex = new RegExp(`^${regexPattern}$`);
            return regex.test(origin);
        }
        return false;
    }
};
exports.OriginValidationGuard = OriginValidationGuard;
exports.OriginValidationGuard = OriginValidationGuard = OriginValidationGuard_1 = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Inject)(config_1.APP_CONFIG)),
    __metadata("design:paramtypes", [Object])
], OriginValidationGuard);
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