隞乩gist.github.com舀reverse proxied APIs蝭靘:- F! Z( j ]8 ~
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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"& M/ \/ Z9 k$ C C5 t- ^
# under your Nginx configuration directory and placing the following
$ d2 h+ |3 h0 ?) ^( L# statement inside your **location** block(s):
# _, V5 `) l4 g4 e0 D#( P7 J) B& l+ k& P# H+ r
# include cors_support;% X: l8 W5 S; B7 a$ m0 s
#
; h" |3 A4 G$ F' o! p# As of Nginx 1.7.5, add_header supports an "always" parameter which, K- o% p* D+ V( J' Q/ s
# allows CORS to work if the backend returns 4xx or 5xx status code.5 B; \9 d% G; Q; o3 U8 _! e
#
]8 Q4 l# J8 |( b( X, ^# For more information on CORS, please see: http://enable-cors.org/# R$ e7 d$ d: z) i. G, V# K1 C4 I
# Forked from this Gist: https://gist.github.com/michiel/1064640
# R! H1 t3 v& _( y+ r#
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8 g6 }% s4 L# w- L& W) f: Gset $cors '';1 c% o1 _- R! u3 d
if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {, {' V" V; X1 S; K# }, a# p/ q
set $cors 'true';2 J9 _5 A* k# x' `/ l
}
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if ($cors = 'true') {
/ X9 G0 j3 B$ c) T3 C* n add_header 'Access-Control-Allow-Origin' "$http_origin" always;
$ I: S) L1 \3 O4 C0 y add_header 'Access-Control-Allow-Credentials' 'true' always;
. H! E$ M$ r, v. e add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;6 K# i7 T$ g3 `3 h; V; 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;, ?2 k5 z- f. Z5 ~% I/ Z
# required to be able to read Authorization header in frontend
% u* P0 o+ v1 R* u #add_header 'Access-Control-Expose-Headers' 'Authorization' always;
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if ($request_method = 'OPTIONS') {$ z7 ^5 z+ c- G/ d
# Tell client that this pre-flight info is valid for 20 days
. u/ p- t3 }9 N! j& q8 _- d& |0 u0 J' X add_header 'Access-Control-Max-Age' 1728000;. i) V1 m; F, B d8 x" ~* `
add_header 'Content-Type' 'text/plain charset=UTF-8';
9 p& |/ c# x: }. d; d add_header 'Content-Length' 0;
" Z B9 X4 G5 |! g% u2 m6 ]7 U return 204;
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~! Y8 S/ h, N. dif ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) { return 444;: I4 c2 {" U+ L1 O; j
}! Q; L- ^) J! O
set $origin $http_origin;6 `4 v: B- p( o# K. ?
if ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {- G2 @, i2 d( s% J0 G/ P
set $origin 'https://default.yourdom.zone';
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6 m: Y; i/ {( X. M' rif ($request_method = 'OPTIONS') {
$ n4 b% [+ x9 G add_header 'Access-Control-Allow-Origin' "$origin" always;
, o$ J: R5 ?2 w! p$ q# R7 [; c add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always; n/ g9 i$ D# Z. v w7 X
add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always; R4 J C Z: q
add_header 'Access-Control-Allow-Credentials' 'true' always;! g+ k; |- D6 b+ I" a8 o# u, x( {
add_header Access-Control-Max-Age 1728000; #20 days 8 r: L% K" M4 V
add_header Content-Type 'text/plain charset=UTF-8';
7 ?. k- u7 O! G# q5 I add_header Content-Length 0;
* h" } q# l2 N8 d4 y/ n return 204;8 s4 y% l+ [; q _
}; Q+ E2 w8 n5 _4 w0 U
if ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {
- }4 {+ F2 a+ h( H# ` add_header Access-Control-Allow-Origin "$origin" always;! w$ v4 x* d; r1 p/ P& D' K$ x/ F8 f; B
add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;( `6 P, k% \0 M+ I) ]' i, @
add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;% `7 L+ [; W/ ]' E2 V* ], p
add_header Access-Control-Allow-Credentials true always;) V$ }5 y9 t' s0 `- d8 w
} # based on https://gist.github.com/4165271/
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# Slightly tighter CORS config for nginx
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# A modification of https://gist.github.com/1064640/ to include a white-list of URLs2 W9 ~1 K: D& y, h
#
! ]* I1 F7 l4 s6 w$ g) @. _# m9 S# Despite the W3C guidance suggesting that a list of origins can be passed as part of4 l& ]3 p- }9 y( | V% Y! b1 _8 U5 H
# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)# t8 O4 d6 M# X$ V( ^3 q
# 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: x* g$ o7 o1 k% W4 m S1 {
# method to control access instead.2 y+ ~' ]2 J& L
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# NB: This relies on the use of the 'Origin' HTTP Header.
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if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {. E! N7 i0 P! K( l- n9 }2 {1 A+ m! h
set $cors "true";4 J- v) W7 H" s4 t* U
}
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# Nginx doesn't support nested If statements. This is where things get slightly nasty.
% J: q! H6 {8 W' l* I$ n) t" ~ # Determine the HTTP request method used
9 F0 [) I ~3 Z+ ^+ K! C if ($request_method = 'OPTIONS') {) d; v$ f* q; J1 u$ m. s8 a
set $cors "${cors}options";
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if ($request_method = 'GET') {4 b2 z/ W/ Y% o9 I
set $cors "${cors}get";
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if ($request_method = 'POST') { m9 M* W/ g! ^$ M+ L% c% i
set $cors "${cors}post";
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if ($cors = "true") {
8 v& `5 e7 O& u% g4 l # Catch all incase there's a request method we're not dealing with properly
, |( Y; C c& }! } add_header 'Access-Control-Allow-Origin' "$http_origin";+ S' o! u0 V5 D6 n! B) F& f
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0 u6 F7 Q/ Q& m! o( p8 g# { if ($cors = "trueget") {" t- e& Z# T! R# n
add_header 'Access-Control-Allow-Origin' "$http_origin";
7 q3 S6 u5 G8 }- Y. Y% Z. _ add_header 'Access-Control-Allow-Credentials' 'true';5 W0 z2 @/ ^6 u3 a% _2 X
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';9 T2 m! ?5 O" [) 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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if ($cors = "trueoptions") {
" \3 [; O+ C9 C, d add_header 'Access-Control-Allow-Origin' "$http_origin";
# ?0 r4 L8 e3 r1 h6 K* u c
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# Om nom nom cookies: C: T( D+ \8 Y) `4 @6 R: H
#
/ x5 a% f n2 }2 j add_header 'Access-Control-Allow-Credentials' 'true';
( [+ ?- A E5 o( _ add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';1 L- }2 T3 Q) s5 m
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#
- {$ N/ E9 \8 z # Custom headers and headers various browsers *should* be OK with but aren't% @+ i2 L9 J) ~4 F
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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';( o: e: A' o! O8 j+ t" Z ~
k9 q$ c) P; P #
% L9 m" X! Z1 W6 G # Tell client that this pre-flight info is valid for 20 days6 N9 T. f/ A! J" |) @" [
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add_header 'Access-Control-Max-Age' 1728000;
2 O% Y' O6 R3 ?8 N+ q+ _! Q add_header 'Content-Type' 'text/plain charset=UTF-8';% A! Q3 Z- x: u3 f4 }" v% v v
add_header 'Content-Length' 0;. d$ v: J3 x6 s' B. g
return 204;# ?! S i. c0 y/ U) @( Y! ~
}
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1 t7 n9 t( C2 Z) X9 q if ($cors = "truepost") {
9 T5 K- w5 G& w# _+ ?& Y: z& t add_header 'Access-Control-Allow-Origin' "$http_origin";
7 I# ]1 u. ^( I3 q, z' P1 P add_header 'Access-Control-Allow-Credentials' 'true';
& \* |* \4 [7 e+ J! O3 V3 c add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
6 q9 @* t5 A7 Q" Q0 W2 R add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';! e$ E( J! p4 @# X% Z
}
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潸” 2019-2-20 09:34:17
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