隞乩gist.github.com舀reverse proxied APIs蝭靘:9 R6 x1 C& {, N' r. ^& B
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9 X$ k6 m2 G; _" X# CORS header support5 |+ U7 \; b0 w, h
#
2 U- o6 S D# C# One way to use this is by placing it into a file called "cors_support"0 @0 X, K0 J* p, G
# under your Nginx configuration directory and placing the following0 D; X+ V6 M' W" T8 v
# statement inside your **location** block(s):5 Y% ~7 D- n z
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# include cors_support;
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1 \. R3 T) Y8 J5 V! ~7 O4 M# As of Nginx 1.7.5, add_header supports an "always" parameter which
( W/ H# }6 N8 G: c% f3 |. o# allows CORS to work if the backend returns 4xx or 5xx status code." }5 r4 ?: M) j* E! _, F8 }
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# For more information on CORS, please see: http://enable-cors.org/5 A- L* k7 ]: f3 u4 W2 K/ Z
# Forked from this Gist: https://gist.github.com/michiel/1064640
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& w" f/ n: N6 h8 h4 \set $cors '';+ ]: N+ z& ~% U6 F" V2 J
if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {
% i( W- [' s' O9 b( U set $cors 'true';1 q8 a2 ?# n) f; P8 Z
}
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: c6 s7 C2 o3 r& e- y1 kif ($cors = 'true') {
: t. @, E" N# H( y5 e add_header 'Access-Control-Allow-Origin' "$http_origin" always;
. o U& j. k8 c7 x8 k5 ?0 {& L5 P" k8 X7 a add_header 'Access-Control-Allow-Credentials' 'true' always;
3 [9 q! @" T$ G4 ?$ u1 Y* p# g6 `: c add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
) ~9 S, m. }& I 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 q0 ]. S" g8 s2 {/ i! m # required to be able to read Authorization header in frontend
( E9 _* M" i: j/ z0 R$ S #add_header 'Access-Control-Expose-Headers' 'Authorization' always;
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if ($request_method = 'OPTIONS') {
- f) B4 k' u6 d; g% | # Tell client that this pre-flight info is valid for 20 days
1 T* ?1 H X* }/ \3 S add_header 'Access-Control-Max-Age' 1728000;0 `% T( O+ @# F$ G0 d
add_header 'Content-Type' 'text/plain charset=UTF-8';
/ ?' B. ~- H2 \. C3 |$ _1 f add_header 'Content-Length' 0;( a' v+ C ?& E! H! M9 R
return 204;, c* b, _, |. r$ H9 N4 @' r$ G
} https://gist.github.com/Stanback/7145487#file-nginx-conf 閮隢蝭靘:
, h, G$ [3 m( hif ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) { return 444;
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set $origin $http_origin;* D# R- _& Y+ @! h
if ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {
% c# n. p' w# m1 o set $origin 'https://default.yourdom.zone';
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if ($request_method = 'OPTIONS') {
: s* K+ p% f% `3 h& X% V add_header 'Access-Control-Allow-Origin' "$origin" always;
3 O l T" W6 W2 T add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;# i! r: `1 L2 P; D. Q( j
add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;
1 c: Y0 s2 @# a E. Y$ Q add_header 'Access-Control-Allow-Credentials' 'true' always;% x1 A" q; n+ ~/ `6 M- k
add_header Access-Control-Max-Age 1728000; #20 days
: `6 v5 J9 D- Z, I$ V# ]8 r add_header Content-Type 'text/plain charset=UTF-8';
' j1 Y E; ~; _; S4 w: G add_header Content-Length 0;
; G: f6 i9 b6 T, I! f return 204;
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if ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {4 k9 _; m _3 [1 M. A
add_header Access-Control-Allow-Origin "$origin" always;, i0 ^8 x9 P! ~5 l, m7 \: l
add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
. ?0 K$ x2 v! B' b9 U1 k add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;3 R* Q$ B" H% c( \
add_header Access-Control-Allow-Credentials true always;7 R% g% ~0 p5 ^4 l/ n$ m
} Access-Control-Allow-Origin Multiple Origin Domains? 靘摮:# based on https://gist.github.com/4165271/
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: w) U- u6 L1 S1 H# Slightly tighter CORS config for nginx
% q3 w! u% M9 _/ r, C9 q8 Z#
0 ?/ C6 U9 S$ |/ Q# 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 of0 C# v& B% d4 p Y
# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)7 v6 \3 Y& }9 A& b) |7 O2 W
# don't seem to play nicely with this.3 d: W* C9 B& A" k5 x6 o
#! U( N9 K4 h: S% ?. |# Z, h
# To avoid the use of 'Access-Control-Allow-Origin: *', use a simple-ish whitelisting( \$ \; r. _7 u# s, b* x# T0 d
# method to control access instead.8 @( C, k, z+ r( V) j6 a/ L
#
+ b" y& h2 o4 d2 [2 g# NB: This relies on the use of the 'Origin' HTTP Header.( M# V, w2 Y+ a" D# C; b8 H
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location / {! G- r7 O, p5 C* J
) T6 R0 g$ I. k& N2 K if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {
$ \/ C( k7 v9 L. R1 x! k# K( Y set $cors "true";
! U$ f4 r9 v X }
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# Nginx doesn't support nested If statements. This is where things get slightly nasty.
7 B K5 u# c# `; C% P0 D # Determine the HTTP request method used
1 S* Y. ^& Q" Q( _; `" X if ($request_method = 'OPTIONS') {0 e5 J3 K1 C8 e9 T- E8 j! }
set $cors "${cors}options";
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if ($request_method = 'GET') {
% }$ }$ L" q0 { @/ V set $cors "${cors}get";+ p. n3 Q9 _; M; I2 M, {
}
9 Q2 O# B* U+ T' e2 } if ($request_method = 'POST') {
+ g& n8 x# l5 H2 X6 \7 v set $cors "${cors}post";, r0 e. Y% q h# e
}
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U0 P7 i3 y+ z' W if ($cors = "true") {
- ^7 h9 ?7 g6 N. S( ^ # Catch all incase there's a request method we're not dealing with properly
6 k' w8 @+ t0 n L; E" ` add_header 'Access-Control-Allow-Origin' "$http_origin";( Q& C% V; S0 S4 a! a
}
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if ($cors = "trueget") {7 i. x3 V3 w! R4 z, i3 k3 ]# d
add_header 'Access-Control-Allow-Origin' "$http_origin";+ @' ~$ W) @7 o6 p8 |2 [
add_header 'Access-Control-Allow-Credentials' 'true';
* J) | O( i2 p add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
0 d: u5 Q. q# G1 f6 s 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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4 [* n8 G3 B' B6 t' W6 [; z8 j0 r8 [ if ($cors = "trueoptions") {/ _! M0 a0 w b. \2 ]
add_header 'Access-Control-Allow-Origin' "$http_origin"; t: U3 A }2 R7 R
% m- j' K5 b9 g) `/ t3 ? #
1 ?: O* t: V, x c- E; L4 m # Om nom nom cookies
* s$ O: @8 F/ s8 u% d1 d #
: z# U8 N* G& T/ @8 G- X add_header 'Access-Control-Allow-Credentials' 'true';
0 u9 X! g p) b+ w. g/ S% K add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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) d/ r0 t& x6 }: F' J* I3 Q* V #
; }) ~" q' t/ ~ # Custom headers and headers various browsers *should* be OK with but aren't
* b( V# k8 n: L: R, Q #
, l1 G4 D: N: B5 p, V0 M3 n4 f3 Q2 [ add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';5 d% ]# r7 n# f. O2 b! {
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# Tell client that this pre-flight info is valid for 20 days) R* Y" D4 C: U+ T# _; I1 G2 X4 p
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add_header 'Access-Control-Max-Age' 1728000;1 s& J* ?% C; U+ ~# v+ v* m
add_header 'Content-Type' 'text/plain charset=UTF-8';& G* ~5 z. d: S. @8 [' k6 A& [
add_header 'Content-Length' 0;
+ h% t6 k2 C; i( p+ I, c return 204;
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5 @# [$ `! \2 Y6 B" L if ($cors = "truepost") {" S1 J! j' |" N& Z: B1 W
add_header 'Access-Control-Allow-Origin' "$http_origin";
* S% P% u" \5 B- r6 W& O add_header 'Access-Control-Allow-Credentials' 'true';9 w+ P) m+ r! \" g2 _, b+ {
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
8 }# p" D% A2 P0 g, k add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';! \7 J* ~* [9 J3 h/ i
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