}

    // Test with different origin formats
    @Test
    public void test_doFilter_differentOrigins() throws Exception {
        String[] origins = { "http://localhost:8080", "https://example.com", "http://subdomain.example.com", "https://example.com:3000" };

        for (String origin : origins) {
            resetMocks(); // Reset for each test
            mockRequest.setHeader("Origin", origin);

    private final String revision;
    private final String origin;

    private GitInfo(String revision, String origin) {
        this.revision = revision;
        this.origin = origin;
    }

    public String getRevision() {
        return revision;
    }

    public String getOrigin() {
        return origin;
    }

    public static GitInfo gitInfo(File rootDir) {
        try {

# CORS (Cross-Origin Resource Sharing) { #cors-cross-origin-resource-sharing }

[CORS или "Cross-Origin Resource Sharing"](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) относится к ситуациям, при которых запущенный в браузере фронтенд содержит JavaScript-код, который взаимодействует с бэкендом, находящимся на другом "источнике" ("origin").

## Источник { #origin }

        String[] origins = { "https://site1.com", "https://site2.com", "https://site3.com" };

        for (String origin : origins) {
            processCalled = false;
            corsHandler.process(origin, request, response);
            assertTrue("process should be called for " + origin, processCalled);
            assertEquals(origin, processOrigin);
        }
    }

Vous pouvez en lire davantage sur d’autres middlewares dans le [Guide de l’utilisateur avancé : Middleware avancé](../advanced/middleware.md).

# CORS (교차-출처 리소스 공유) { #cors-cross-origin-resource-sharing }

[CORS 또는 "Cross-Origin Resource Sharing"](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)란, 브라우저에서 실행되는 프론트엔드에 백엔드와 통신하는 JavaScript 코드가 있고, 백엔드가 프론트엔드와 다른 "출처(origin)"에 있는 상황을 의미합니다.

## 출처 { #origin }

출처란 프로토콜(`http`, `https`), 도메인(`myapp.com`, `localhost`, `localhost.tiangolo.com`), 그리고 포트(`80`, `443`, `8080`)의 조합을 의미합니다.

따라서, 아래는 모두 상이한 출처입니다:

* `http://localhost`

	referrerPolicy := env.Get(EnvBrowserReferrerPolicy, kvs.GetWithDefault(browserReferrerPolicy, DefaultKVS))
	switch referrerPolicy {
	case "no-referrer", "no-referrer-when-downgrade", "origin", "origin-when-cross-origin", "same-origin", "strict-origin", "strict-origin-when-cross-origin", "unsafe-url":
		cfg.ReferrerPolicy = referrerPolicy
	default:
		return cfg, fmt.Errorf("invalid value %v for %s", referrerPolicy, browserReferrerPolicy)
	}

# CORS (Cross-Origin Resource Sharing) { #cors-cross-origin-resource-sharing }

[CORS o "Cross-Origin Resource Sharing"](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) se refiere a situaciones en las que un frontend que se ejecuta en un navegador tiene código JavaScript que se comunica con un backend, y el backend está en un "origen" diferente al frontend.

## Origen { #origin }

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

app = FastAPI()

origins = [
    "http://localhost.tiangolo.com",
    "https://localhost.tiangolo.com",
    "http://localhost",
    "http://localhost:8080",
]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.get("/")

    this.supportsFastOffset = supportsFastOffset;
  }

  /**
   * Returns, conceptually, "origin + distance", or equivalently, the result of calling {@link
   * #next} on {@code origin} {@code distance} times.
   */
  C offset(C origin, long distance) {
    C current = origin;
    checkNonnegative(distance, "distance");
    for (long i = 0; i < distance; i++) {
      current = next(current);