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CORS

CORSλŠ” Cross-Origin Resource Sharing (ꡐ차 좜처 λ¦¬μ†ŒμŠ€ 곡유)의 μ€„μž„λ§μ΄λ‹€.

λΈŒλΌμš°μ €λŠ” λ³΄μ•ˆμƒμ˜ 이유둜 λ‹€λ₯Έ 좜처의 HTTP μš”μ²­μ„ μ œν•œν•œλ‹€.
CORS μ²΄μ œλŠ” λΈŒλΌμš°μ €μ™€ μ„œλ²„ κ°„μ˜ μ•ˆμ „ν•œ ꡐ차 좜처 μš”μ²­ 및 데이터 전솑을 μ§€μ›ν•œλ‹€.

μ„œλ²„ μ‚¬μ΄λ“œμ—μ„œ Access-Control-Allow-Origin 헀더에 응닡값을 λ‹΄μŒμœΌλ‘œμ„œ λ™μž‘ν•œλ‹€.

CORS λͺ…μ„Έ

μ„œλ²„ 데이터에 μ‚¬μ΄λ“œ μ΄νŽ™νŠΈλ₯Ό μΌμœΌν‚¬ 수 μžˆλŠ” HTTP λ©”μ„œλ“œ(GET μ œμ™Έ)에 λŒ€ν•˜μ—¬
preflight(사전 전달) ν•˜μ—¬ λ©”μ„œλ“œλ₯Ό μš”μ²­ν•˜κ³ , μ„œλ²„κ°€ ν—ˆκ°€ ν•  경우 μ‹€μ œ μš”μ²­ 보내도둝 ν•œλ‹€.
이 λ•Œ, μ„œλ²„λŠ” ν΄λΌμ΄μ–ΈνŠΈ(λΈŒλΌμš°μ €)μ—κ²Œ 인증정보λ₯Ό ν•¨κ»˜ 보내야 ν•œλ‹€λŠ” 쑰건을 μ•Œλ €μ€„ μˆ˜λ„ μžˆλ‹€.

Example

λͺ¨λ“  μΆœμ²˜μ— λŒ€ν•œ ν—ˆμš©

HTTP/1.1 200 OK
Date: Mon, 01 Dec 2008 00:23:53 GMT
Server: Apache/2
Access-Control-Allow-Origin: *
Keep-Alive: timeout=2, max=100
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: application/xml

Access-Control-Allow-Origin에 *(μ™€μΌλ“œ μΉ΄λ“œ)κ°€ 포함 λœλ‹€.

νŠΉμ • μΆœμ²˜μ— λŒ€ν•œ ν—ˆμš©

HTTP/1.1 200 OK
Date: Mon, 01 Dec 2008 00:23:53 GMT
Server: Apache/2
Access-Control-Allow-Origin: https://foo.example
Keep-Alive: timeout=2, max=100
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: application/xml

Access-Control-Allow-Origin에 νŠΉμ • URL이 포함 λœλ‹€.