隞乩gist.github.com舀reverse proxied APIs蝭靘:. M. c: L' o) E- `/ r
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9 ]" M& y# |% l4 b8 Y8 u# CORS header support
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, d3 L; ~9 P; b/ G5 K" m; o% `# One way to use this is by placing it into a file called "cors_support"
m6 J% a/ Z C ~# under your Nginx configuration directory and placing the following
, S" j$ c/ `) W1 n* I% w( \# statement inside your **location** block(s):3 @* H& F) S2 g& _7 o8 E
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# include cors_support;
# K# z5 N, I" C9 e#& C) a) ]! z! f' u- T
# As of Nginx 1.7.5, add_header supports an "always" parameter which
" N# n( o, C6 M) M: T( }$ U; Z! ?8 J# allows CORS to work if the backend returns 4xx or 5xx status code.4 `1 q$ J. p/ Y) V; k
#
" [1 t0 f1 v$ j+ V# For more information on CORS, please see: http://enable-cors.org/$ d& s O C# Z5 E/ W& O2 v% }, Z
# Forked from this Gist: https://gist.github.com/michiel/1064640
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set $cors '';' R* g9 S/ t+ S
if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {
4 \" a; B9 a, r2 t0 W0 r8 h set $cors 'true';5 i# \; ^3 A7 d
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if ($cors = 'true') {+ _7 o o$ w' Y: M( y% r$ ~0 f
add_header 'Access-Control-Allow-Origin' "$http_origin" always;
1 }; x- @( E. H5 K& B! U add_header 'Access-Control-Allow-Credentials' 'true' always;- o2 }' P& P2 e0 i) j
add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;- G! x0 A/ Y7 l% G7 r7 a. D2 c
add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With' always;
5 O6 D9 t, D: J7 @5 P' t9 V* q2 @ # required to be able to read Authorization header in frontend5 Y5 J- } V4 y- b
#add_header 'Access-Control-Expose-Headers' 'Authorization' always;- F! r& w. a' X K+ \+ W) `
}
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?# @7 F! ~: W+ {: l" bif ($request_method = 'OPTIONS') {8 P/ M' {- _; M( }% G$ ?
# Tell client that this pre-flight info is valid for 20 days
# Q4 ~* x$ n9 R) z" t add_header 'Access-Control-Max-Age' 1728000;$ G; K X5 ?) k
add_header 'Content-Type' 'text/plain charset=UTF-8';
' ^7 V7 W+ M6 u' y( Q- R$ a add_header 'Content-Length' 0;8 w4 U. ^; F: P$ j4 B6 V% Y
return 204;8 |# d5 S% ^. A+ q
} https://gist.github.com/Stanback/7145487#file-nginx-conf 閮隢蝭靘:
U' F9 `9 i8 Y }/ Nif ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) { return 444;' m! O; `* k$ M
}
$ U( x2 _0 B( vset $origin $http_origin;
* _" P" ]0 y+ L* Gif ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {
4 q& v( K" k: b3 E+ z set $origin 'https://default.yourdom.zone';4 W+ l8 b0 @, N8 I( R- s) s
}
% ]% z7 P, _% P) r# Oif ($request_method = 'OPTIONS') {. Z# D# W/ ~) e/ N
add_header 'Access-Control-Allow-Origin' "$origin" always;- e7 f) H+ P: p; \$ N
add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
( g0 o: G% I+ m9 C- J add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;! i: E3 r; @7 l, s4 u
add_header 'Access-Control-Allow-Credentials' 'true' always;
: m! Q; {0 s) r7 c. e add_header Access-Control-Max-Age 1728000; #20 days
4 g# D3 c, {. v* _ add_header Content-Type 'text/plain charset=UTF-8';! ]9 r& h4 D- P8 t
add_header Content-Length 0;, W5 D1 F6 O1 ]9 b+ _7 s" ?6 p# ?
return 204;
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if ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {
6 c$ g, C# c- T/ V4 v2 O& D" z add_header Access-Control-Allow-Origin "$origin" always;
( x9 T. x/ Y( n add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
! q, S8 C; f8 l5 U4 P2 } add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;
3 d% p% L0 ?. r& x7 `- D add_header Access-Control-Allow-Credentials true always;
; p' f: m C+ j' |} Access-Control-Allow-Origin Multiple Origin Domains? 靘摮:# based on https://gist.github.com/4165271/, D3 P" M. b1 V I
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# Slightly tighter CORS config for nginx6 @% i2 x' j1 F: u
#
3 K% h; t. Q& _5 y9 O& J$ r0 Z# A modification of https://gist.github.com/1064640/ to include a white-list of URLs
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& O2 I4 i. n J* v" {. v, o# Despite the W3C guidance suggesting that a list of origins can be passed as part of5 S; o6 n% b7 k4 Y3 w( `
# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)
$ r# |/ D S: E" j: D( ~# 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
( y& }, L* q4 I2 {1 f2 f# method to control access instead.2 K2 O6 I" h) `8 ^! J& z3 e
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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 ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {: X5 w) f# b9 v- {
set $cors "true";
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: ]3 E+ e* Y; [* M' ~$ [ # Nginx doesn't support nested If statements. This is where things get slightly nasty.2 w }4 z0 _4 ^4 p
# Determine the HTTP request method used3 W; h+ [' x1 i2 a& k: P% U
if ($request_method = 'OPTIONS') {
" E8 I" Z- U, Z4 C set $cors "${cors}options";
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if ($request_method = 'GET') {8 J% L& u4 I8 @5 }" k( G, e1 O' V
set $cors "${cors}get";
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if ($request_method = 'POST') {- e+ [) y; Z( z% ~3 p+ j
set $cors "${cors}post";
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if ($cors = "true") {
8 s; i% l: @7 a, c0 ~ # Catch all incase there's a request method we're not dealing with properly
^/ H" z' \/ m5 I add_header 'Access-Control-Allow-Origin' "$http_origin";* V" A& d* }' [
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if ($cors = "trueget") {; l4 [3 M8 j, f! g/ c
add_header 'Access-Control-Allow-Origin' "$http_origin";+ W: H+ c- j5 E8 w' a) q' m. O
add_header 'Access-Control-Allow-Credentials' 'true';* k: }7 U0 M5 ~% L n+ {- r3 Y& t
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';% O: {- C% M( R; b' Z- G! P
add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';& ^2 b$ K6 z! o i- @: }. F" Z& A3 {
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# X. k1 v" S$ ?4 E/ R2 b if ($cors = "trueoptions") {
" v7 ]9 |% j, z; H6 w add_header 'Access-Control-Allow-Origin' "$http_origin";
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# Om nom nom cookies
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add_header 'Access-Control-Allow-Credentials' 'true';1 q4 A/ [* M* ^2 r5 f" N
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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#
. b' O* N7 Q1 l0 P # Custom headers and headers various browsers *should* be OK with but aren't! ]1 h( [+ z! z/ y( Y
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add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';2 l, y9 ~1 X) p; y8 ]. z1 U+ n
7 W# F, C3 s, W; J' \1 D' j4 ~ #
! Y7 o( t& j6 Q- K( R: d' m # Tell client that this pre-flight info is valid for 20 days
' v p1 \9 Y" S4 o #
3 ~6 `" I3 N7 f# q add_header 'Access-Control-Max-Age' 1728000;. X9 F4 t- D& r7 L
add_header 'Content-Type' 'text/plain charset=UTF-8';
( O/ k! n6 {+ k! e u* G9 R3 c3 I add_header 'Content-Length' 0;
# A/ A+ U4 W" r- P* N4 ]5 K9 Y* b return 204;
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if ($cors = "truepost") {
5 ~' k# m W6 s- d' p+ j add_header 'Access-Control-Allow-Origin' "$http_origin";
$ x' Q) N0 m% f) \$ ~ add_header 'Access-Control-Allow-Credentials' 'true';) @. J }' {5 _6 J
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';- E8 @+ a: k) t3 |# u6 X# i
add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type'; e. ^3 h, g, w5 x% ^6 e0 d
}
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