feat: imgur proxying for blocked countries (#7104)

packages/api-client/src/modules/labrinth/geoip.ts

@@ -0,0 +1,23 @@
+import { AbstractModule } from '../../core/abstract-module'
+
+export class LabrinthGeoIpModule extends AbstractModule {
+	public getModuleID(): string {
+		return 'labrinth_geoip'
+	}
+
+	public async getCountry(): Promise<string | undefined> {
+		const trace = await this.client.request<string>('/trace', {
+			api: 'https://api.modrinth.com',
+			version: 'cdn-cgi',
+			method: 'GET',
+			skipAuth: true,
+		})
+		const country = trace
+			.split('\n')
+			.find((line) => line.startsWith('loc='))
+			?.slice(4)
+			.toUpperCase()
+
+		return country?.match(/^[A-Z]{2}$/) ? country : undefined
+	}
+}