65 lines
1.9 KiB
TypeScript
65 lines
1.9 KiB
TypeScript
import { Injectable, NestMiddleware, Logger } from '@nestjs/common';
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import { FastifyRequest, FastifyReply } from 'fastify';
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import { TenantDatabaseService } from './tenant-database.service';
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@Injectable()
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export class TenantMiddleware implements NestMiddleware {
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private readonly logger = new Logger(TenantMiddleware.name);
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constructor(private readonly tenantDbService: TenantDatabaseService) {}
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async use(
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req: FastifyRequest['raw'],
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res: FastifyReply['raw'],
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next: () => void,
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) {
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try {
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// Extract subdomain from hostname
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const host = req.headers.host || '';
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const hostname = host.split(':')[0]; // Remove port if present
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const parts = hostname.split('.');
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// For local development, accept x-tenant-id header as fallback
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let tenantId = req.headers['x-tenant-id'] as string;
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let subdomain: string | null = null;
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// Extract subdomain (e.g., "acme" from "acme.routebox.co")
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if (parts.length > 2) {
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subdomain = parts[0];
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// Ignore www subdomain
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if (subdomain === 'www') {
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subdomain = null;
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}
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}
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// Get tenant by subdomain if available
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if (subdomain) {
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const tenant = await this.tenantDbService.getTenantByDomain(subdomain);
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if (tenant) {
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tenantId = tenant.id;
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this.logger.log(
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`Tenant identified: ${tenant.name} (${tenant.id}) from subdomain: ${subdomain}`,
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);
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} else {
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this.logger.warn(`No tenant found for subdomain: ${subdomain}`);
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}
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}
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if (tenantId) {
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// Attach tenant info to request object
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(req as any).tenantId = tenantId;
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if (subdomain) {
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(req as any).subdomain = subdomain;
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}
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} else {
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this.logger.warn(`No tenant identified from host: ${hostname}`);
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}
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next();
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} catch (error) {
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this.logger.error('Error in tenant middleware', error);
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next();
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}
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}
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}
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