隞乩gist.github.com舀reverse proxied APIs蝭靘:
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# CORS header support( G/ N k6 y' ~& U/ s6 q
#' @+ t; I$ L5 u6 w: G U
# One way to use this is by placing it into a file called "cors_support"4 k4 x h6 h' w( W C! k7 `1 t( x
# under your Nginx configuration directory and placing the following
5 a7 ^# a. u. [, m/ N, {& S, T# statement inside your **location** block(s):
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# include cors_support;
# Z+ J2 y: T& M N#
3 \) |7 R/ \, Q# As of Nginx 1.7.5, add_header supports an "always" parameter which' _ G5 l# M% p9 S5 O
# 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/
; B" g+ @7 A6 P+ ]7 {# Forked from this Gist: https://gist.github.com/michiel/1064640
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" f j2 T2 c6 z8 R Y, pset $cors '';$ q; {9 Z- W5 @' @
if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {
7 Z2 R2 h2 E9 j6 ]# a: Y4 B set $cors 'true';
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- Q! O; p5 {* U1 e" Z9 |* Z) rif ($cors = 'true') {
, Z9 L8 r8 G, Z" I$ h2 }: v add_header 'Access-Control-Allow-Origin' "$http_origin" always;: Y* {! q: c! w5 |; y
add_header 'Access-Control-Allow-Credentials' 'true' always;. Q7 @9 z, c7 I; `" s- g- [
add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
0 t3 ?: h+ i6 U5 S" @+ a% R add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With' always;
6 m3 Z& a0 r3 n# a # required to be able to read Authorization header in frontend
. {; ]* h) j4 i4 `0 }2 n' O& i" f #add_header 'Access-Control-Expose-Headers' 'Authorization' always;' U# ?6 }" D- D. t8 Y+ C
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* g2 D5 R* h* N8 `) B6 I+ fif ($request_method = 'OPTIONS') {% L0 d! @3 ~1 p- A
# Tell client that this pre-flight info is valid for 20 days
! y' @: i) v$ c/ A7 J add_header 'Access-Control-Max-Age' 1728000;
4 P! p6 Y6 `1 F+ q2 a add_header 'Content-Type' 'text/plain charset=UTF-8';
+ k) X' I5 w& L add_header 'Content-Length' 0;# x# Q, K8 _+ M0 y e( Z+ V9 q
return 204;! C/ W! H0 s: ^2 T& Q; K7 E
} https://gist.github.com/Stanback/7145487#file-nginx-conf 閮隢蝭靘:* U3 D: Q) V) Z
if ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) { return 444;
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set $origin $http_origin;
# f. l) {8 T6 s9 zif ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {: [& H4 K* ?. z$ L. h
set $origin 'https://default.yourdom.zone';
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if ($request_method = 'OPTIONS') {
/ I1 q. p$ U% y" B J add_header 'Access-Control-Allow-Origin' "$origin" always;7 r% W" e/ ^: [% p# q! m9 X) y
add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
% \* x* Q4 T% x2 Q8 p4 J6 T+ Y: e add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;. _& H6 g0 ]% s2 s! {% \6 d
add_header 'Access-Control-Allow-Credentials' 'true' always;! r! n' c, O( [
add_header Access-Control-Max-Age 1728000; #20 days
. v l" Q2 o1 b& V8 b3 S add_header Content-Type 'text/plain charset=UTF-8';
; W* k& t' T$ ]- d- Q! h add_header Content-Length 0;
5 i' M/ N( r Y4 N return 204;
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if ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {+ X, Y1 |, }8 f2 f4 z
add_header Access-Control-Allow-Origin "$origin" always;8 { J* v; m% D
add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;/ S1 W3 _- C+ L5 d$ I* b3 N6 P
add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;
9 n. K2 n. D# j6 u" D add_header Access-Control-Allow-Credentials true always;
0 H, B' \6 ]3 @; I [: p# o} Access-Control-Allow-Origin Multiple Origin Domains? 靘摮:# based on https://gist.github.com/4165271/
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! i2 o- ]7 H) }8 d! m# Slightly tighter CORS config for nginx5 \1 H7 M4 a+ Y n/ T1 V
#
& D I8 x+ l" O& x) J( L6 y# 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
1 x; Z9 s. ?: ]9 y5 ]0 |* R# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)
+ n& a9 D6 |5 j, ~ c9 p5 m [: ^# don't seem to play nicely with this.
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# To avoid the use of 'Access-Control-Allow-Origin: *', use a simple-ish whitelisting
& Y2 I: x: Z1 V E# method to control access instead./ T1 G. _7 j1 j' t7 s
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# NB: This relies on the use of the 'Origin' HTTP Header.
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location / {
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if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {
2 |* E% O n, S2 Z, s set $cors "true";
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6 t9 M- F" Q( I$ w # Nginx doesn't support nested If statements. This is where things get slightly nasty.
$ Z* I6 h' |# V# @3 L- _3 X # Determine the HTTP request method used
8 ~5 v- M t6 c( l7 ]8 T if ($request_method = 'OPTIONS') {
+ X q4 a4 ^4 Z9 x5 t% \ set $cors "${cors}options";
3 f9 K& o+ K& }7 k) R& I }
+ u, l! f4 @& p if ($request_method = 'GET') {
5 E1 U; q' v$ R6 p8 R/ U3 w7 @ set $cors "${cors}get";: d& A% d5 H( K/ C
}
6 d) a9 o( Q4 X( Q9 ?3 @ if ($request_method = 'POST') {
6 l* M+ ?1 u0 B! |; R set $cors "${cors}post";
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if ($cors = "true") {
/ v$ O, {. [. @/ U2 l # Catch all incase there's a request method we're not dealing with properly4 D7 d4 ]' b, x, ~5 O' k
add_header 'Access-Control-Allow-Origin' "$http_origin";& M4 x! p# w5 D; ~- ~5 Y
}
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if ($cors = "trueget") {
6 X' F9 c' v( X. }) f( d! f, } add_header 'Access-Control-Allow-Origin' "$http_origin";" L% l+ u9 H, r: V
add_header 'Access-Control-Allow-Credentials' 'true';3 x4 S6 q* b; L; V2 A4 `' j
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
5 w1 M9 ]( C5 [6 p& D9 } add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';- e/ l+ _; P' b1 S$ v; A
}
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; A i( d) \. U if ($cors = "trueoptions") {
]. Z& G- ~9 m3 J' ] |: e# B add_header 'Access-Control-Allow-Origin' "$http_origin";* a8 a3 I3 n; }/ E
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# Om nom nom cookies* w) h5 o5 b# C- q
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add_header 'Access-Control-Allow-Credentials' 'true';6 ^1 N. i q6 \
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';1 ^% z% ^$ I* I
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#! X! I3 g- Z s
# Custom headers and headers various browsers *should* be OK with but aren't
/ w; T k2 Z7 \% s8 i& B #
4 b5 Y" N# t" W3 Z+ O/ z/ N2 D add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';0 d9 A, v% `) o3 q2 G
3 b% w! |, L2 {. m #
y2 V* i+ h+ @: U # Tell client that this pre-flight info is valid for 20 days
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add_header 'Access-Control-Max-Age' 1728000;! T+ g. U! r" }2 q
add_header 'Content-Type' 'text/plain charset=UTF-8';
, [+ p, V9 X- \6 c; c2 O/ A add_header 'Content-Length' 0;
4 \! M6 P. B6 P, c, J return 204;, Q4 _ I1 F2 q; b9 S# F
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! g& b" p* {9 C& w9 n if ($cors = "truepost") {
, ^5 }4 G3 {5 c+ n add_header 'Access-Control-Allow-Origin' "$http_origin";
6 u. `* {8 V V, D/ D$ _ add_header 'Access-Control-Allow-Credentials' 'true';. G9 P: f- B: h, U. V2 W
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
& Q/ f6 o1 H6 ]3 p( k2 c7 {0 x 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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