隞乩gist.github.com舀reverse proxied APIs蝭靘:! Z( G8 L3 }! a
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# CORS header support
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# One way to use this is by placing it into a file called "cors_support"
/ r1 q7 M9 i0 m) E. L1 d# under your Nginx configuration directory and placing the following! @% U- `+ e" ^/ u0 Z* B
# statement inside your **location** block(s):' @$ q, }' t) d! {
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# include cors_support;
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# As of Nginx 1.7.5, add_header supports an "always" parameter which
% [9 k7 x3 n5 r# allows CORS to work if the backend returns 4xx or 5xx status code.
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# For more information on CORS, please see: http://enable-cors.org// Q2 v2 u$ D- r2 k
# Forked from this Gist: https://gist.github.com/michiel/1064640/ y3 L* J4 E' p F1 ]+ l- e: g. A
#
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/ s- r7 u0 {4 U7 x/ Q6 I tset $cors '';
3 c6 j: g; k/ q# I6 k, G+ {if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {8 D3 S f% q' P* P% \" I. q4 ?5 l
set $cors 'true';# O) |5 u" V2 x+ R! D
}
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if ($cors = 'true') {, U+ z: l) p; _+ z2 c; O: s
add_header 'Access-Control-Allow-Origin' "$http_origin" always;
4 M) I7 N" O2 e7 b1 Y" _ add_header 'Access-Control-Allow-Credentials' 'true' always;
4 v6 k" ]4 i0 i add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;& Q( Y- Y; M0 K& C5 p. ]
add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With' always;
# b# s% J, ~" j5 ^# P # required to be able to read Authorization header in frontend
* M' m: k- f0 R, k I #add_header 'Access-Control-Expose-Headers' 'Authorization' always;
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. d% B( l7 c a1 _) {' f; H- _if ($request_method = 'OPTIONS') {
0 r' y9 s @8 W1 X # Tell client that this pre-flight info is valid for 20 days/ |8 z2 D. B+ V8 C
add_header 'Access-Control-Max-Age' 1728000;
( F2 Q1 \5 V* F. q add_header 'Content-Type' 'text/plain charset=UTF-8';
0 Y3 k( K+ ~! ?6 S, \" L9 r5 w add_header 'Content-Length' 0;
. g( Z0 o" Q' ]! ^- t3 J return 204;
& {( G' o" I6 q& `. S% H& Q' Q} https://gist.github.com/Stanback/7145487#file-nginx-conf 閮隢蝭靘:" s2 {+ N! x# ], q9 y" ?
if ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) { return 444;
, I. q3 A) z7 e7 v}
3 q5 O j5 S& n- f: { [4 hset $origin $http_origin;
' x* \; x9 d6 k# mif ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {. x+ S4 i2 |+ t5 F b: v: P
set $origin 'https://default.yourdom.zone';
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if ($request_method = 'OPTIONS') {
, l$ D9 G1 b3 t0 \9 Y l add_header 'Access-Control-Allow-Origin' "$origin" always;
5 b2 d5 N0 N9 }3 C add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
# t; F* C3 Q- h/ s( B$ _ add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;7 z' c: x) M% P' U2 M
add_header 'Access-Control-Allow-Credentials' 'true' always;
4 W: Y" Y% c& l: r$ c; ^0 A k add_header Access-Control-Max-Age 1728000; #20 days / U, A. z0 E) E$ R0 ^
add_header Content-Type 'text/plain charset=UTF-8';/ T- l2 L% |& _$ l& \( K5 n# _1 Z
add_header Content-Length 0;$ G# ^+ I8 R" `; i/ e
return 204;
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- D! G n6 A- N3 g Yif ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {
5 e5 S5 p- C' Q& h" I add_header Access-Control-Allow-Origin "$origin" always;+ \3 R; x4 P% C6 _( l
add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;; }8 G4 K( K2 J6 j
add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;
, T* d+ i' B& ` add_header Access-Control-Allow-Credentials true always;
) v0 s4 y' r. O} Access-Control-Allow-Origin Multiple Origin Domains? 靘摮:# based on https://gist.github.com/4165271/" t+ I4 I* p) |& ~6 g* U9 c
#
3 @( u& ?' ~& y2 i% P3 ~8 o! \, ]# Slightly tighter CORS config for nginx
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; F: b# q! V" d! Z% O0 P# v# A modification of https://gist.github.com/1064640/ to include a white-list of URLs
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# Despite the W3C guidance suggesting that a list of origins can be passed as part of
" M) r+ i$ }% c/ ?# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)2 G7 m3 v6 q! H7 F/ ?0 \. {
# don't seem to play nicely with this.
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/ W! I8 K/ q' N: @# To avoid the use of 'Access-Control-Allow-Origin: *', use a simple-ish whitelisting' u% I2 L0 V' H \! n
# method to control access instead.+ H3 l# O, ]- z; l' m
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# NB: This relies on the use of the 'Origin' HTTP Header.' D0 B$ ^% e" Y% u; m. d
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3 N$ x7 e+ y6 |: P" Y. d8 J if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {
' J. D' A9 h g6 C% c' m9 d set $cors "true";
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# Nginx doesn't support nested If statements. This is where things get slightly nasty.9 _6 b& m, o# @. d5 E
# Determine the HTTP request method used
8 c' r; ^, Z( C2 Q7 f- c3 \2 | if ($request_method = 'OPTIONS') {- h5 @( T3 ~+ g7 E# _- X
set $cors "${cors}options";6 O/ v( O6 L6 t5 [, H5 q
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if ($request_method = 'GET') {' z0 M$ D8 ~4 |
set $cors "${cors}get";
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if ($request_method = 'POST') {% c8 K- t! Q- S1 |: O1 q1 W+ l
set $cors "${cors}post";" l7 I7 o: \# q$ P. ]
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if ($cors = "true") {
! n5 f7 }7 B; O3 G# j. p # Catch all incase there's a request method we're not dealing with properly
2 @( m) t, l4 A k2 a/ o: C1 }' {$ r add_header 'Access-Control-Allow-Origin' "$http_origin";; c2 u! C8 W: h" W- ~7 ~( I7 u# c! x
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6 M9 @! q; w% `# X/ f+ Z if ($cors = "trueget") {5 y+ R5 l4 z4 J% e* L
add_header 'Access-Control-Allow-Origin' "$http_origin";( F" K9 x1 H: A8 ]- K& [
add_header 'Access-Control-Allow-Credentials' 'true';7 h4 w; m' s* Z0 ~. o
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';$ s. R, K+ b! ?1 }3 V7 E2 X6 j* H
add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
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1 y. c) r1 `0 A' r if ($cors = "trueoptions") { V" u) O2 ^- q5 L
add_header 'Access-Control-Allow-Origin' "$http_origin";$ M( W' `# E. x0 @4 R' G4 P
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#
$ A- g/ ~* P4 T! s- U" }3 A # Om nom nom cookies
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add_header 'Access-Control-Allow-Credentials' 'true';
, X* ^# z8 y) e$ A/ _) p. `8 @$ O: v add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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3 H5 J" N% ?9 Z J! o. L #
+ ^' g1 ]5 i; w7 X # Custom headers and headers various browsers *should* be OK with but aren't; v0 F7 k) `1 {
#
; R9 n& b k/ k- p add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
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# Tell client that this pre-flight info is valid for 20 days
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! d* e8 S# E3 s1 a q0 X add_header 'Access-Control-Max-Age' 1728000;' M ?8 r# ^9 T2 _6 v
add_header 'Content-Type' 'text/plain charset=UTF-8';
) ~8 A# V' u8 y" E* g( }* \. J add_header 'Content-Length' 0;0 h7 e* ]! \7 D z* C
return 204;
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$ |9 u' g. G1 Q* K% w! \( X if ($cors = "truepost") {
# ]+ h4 w8 R; o: E" \0 R4 s6 v, z add_header 'Access-Control-Allow-Origin' "$http_origin";
9 a: Y; m5 B( ^/ H/ z add_header 'Access-Control-Allow-Credentials' 'true';
. s$ S; n8 O" Z% ?. m' O. j# l add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
; \2 {& i. }% K _8 m" w add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';4 K9 P* r: H% [
}
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