tid=101068&以下是gist.github.com支援reverse proxied APIs的範例:
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2 u/ w" a9 q% S! K: Y1 |# CORS header support X* g) o7 o9 S$ P
# O% L$ W9 \* R
# One way to use this is by placing it into a file called "cors_support"+ k6 p! c/ E( h, @# t, z
# under your Nginx configuration directory and placing the following: N, J6 L$ E" ?! P
# statement inside your **location** block(s):
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# include cors_support;
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# As of Nginx 1.7.5, add_header supports an "always" parameter which
/ Q j6 I" L2 ]* W# allows CORS to work if the backend returns 4xx or 5xx status code.1 P% c5 C& E9 m' N
#! ]) [' r* U3 r7 n4 n; |" S
# For more information on CORS, please see: http://enable-cors.org/
1 [! Z" ?3 | U- g* }$ x3 v0 B# Forked from this Gist: https://gist.github.com/michiel/1064640) G8 I7 Q3 P K# X: p8 J0 A
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- E! s" w8 }3 o0 C7 N; Lset $cors '';
D! F, K) C" rif ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {
# O* O! Q' g1 }& W p8 P2 [ set $cors 'true';. i; l1 X3 }) ^: A% X0 }2 s- i
} e( t0 h: Y: L( ?( q. ]1 U
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if ($cors = 'true') {. [# {+ j1 b& w8 y1 G
add_header 'Access-Control-Allow-Origin' "$http_origin" always;
9 g( T% w- H" ` add_header 'Access-Control-Allow-Credentials' 'true' always;
6 v& m& Z4 t6 R& r9 U( ^ add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
/ j* R, D$ }6 T3 L, r/ q- r8 `: 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;
$ h) X! `# @/ p: s # required to be able to read Authorization header in frontend0 ~+ M" z0 P) _: w2 g; N3 ^' {, Y/ L, z
#add_header 'Access-Control-Expose-Headers' 'Authorization' always;1 F. B2 ~2 E; J# o# y k$ ~4 m
}
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+ c) Q* R2 m; Z! s) e0 hif ($request_method = 'OPTIONS') {
3 c* A1 |6 w3 b; ` # Tell client that this pre-flight info is valid for 20 days8 w& l+ _5 k; U7 t" v. o8 C
add_header 'Access-Control-Max-Age' 1728000;! V D0 i M3 i' `/ C0 y
add_header 'Content-Type' 'text/plain charset=UTF-8';& h8 v7 `6 i7 ^5 J
add_header 'Content-Length' 0;0 ] O% o/ |- a/ Q9 {; s
return 204;
: q3 C H1 i; x3 \} https://gist.github.com/Stanback/7145487#file-nginx-conf 的討論範例:2 f$ P, f4 Y8 D8 J8 A4 g
if ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) { return 444;
' Y% a. Q2 s( I$ I% c4 C, n9 }}
' M2 X U/ L+ D) `- `set $origin $http_origin;
' O4 g$ q3 Y1 ~- O( {- {3 a3 hif ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {# `& Q: D- U8 o6 n' n
set $origin 'https://default.yourdom.zone';
+ `& [) i: `! C% b. ]}
: F B& M9 v' V" i5 Yif ($request_method = 'OPTIONS') {
* e1 d" H7 q# s% R) a2 O/ E add_header 'Access-Control-Allow-Origin' "$origin" always;
: g4 `6 e% g, I0 d F add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
/ v, M/ H2 m1 b2 t, g add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;
8 U. y4 G$ P9 j+ _9 e add_header 'Access-Control-Allow-Credentials' 'true' always;
6 a' z* r9 H2 p& A& a" Z add_header Access-Control-Max-Age 1728000; #20 days 3 T% b" J. _9 ~. E
add_header Content-Type 'text/plain charset=UTF-8';
) j M' N9 D* |, A: Q7 Y) v4 b! z add_header Content-Length 0;
5 B! G/ z. y' N# n9 _% I return 204;
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if ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {
0 ^" ^# g( X" V1 y add_header Access-Control-Allow-Origin "$origin" always;
3 [0 ]. ~0 C/ v- f7 `3 ]4 o add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
% Q$ @) _& k( \5 n* k add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;/ l9 ^5 a- m+ h4 r8 B& u) a
add_header Access-Control-Allow-Credentials true always;! f8 ] A4 p& ` p- I, o
} Access-Control-Allow-Origin Multiple Origin Domains? 的例子:# based on https://gist.github.com/4165271/
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# Slightly tighter CORS config for nginx7 @1 D6 e# s {5 r- N
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# A modification of https://gist.github.com/1064640/ to include a white-list of URLs- q2 q* z, I; _* e
#
6 K/ o% T' g. `# Despite the W3C guidance suggesting that a list of origins can be passed as part of
3 s! r* u/ k4 b/ y# R+ j# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)2 e5 t2 A U5 S0 e6 i2 K" b/ V
# 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
, C3 l2 M7 G# D2 s7 d# method to control access instead.
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! f7 e' R; U" b1 @/ I- t1 j; K# NB: This relies on the use of the 'Origin' HTTP Header.
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location / {
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if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {
+ j6 s, y& Z$ l9 ` set $cors "true";( U: e. B! ?8 o3 w* x. H' q, x
}
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# Nginx doesn't support nested If statements. This is where things get slightly nasty.
! O% a- {, z8 m/ v9 S! j% M4 M$ h # Determine the HTTP request method used' I+ P' O- M! v
if ($request_method = 'OPTIONS') {, A0 w# Y" h& T$ J) m& ]
set $cors "${cors}options";9 w% @( O+ e l8 D; ?$ d1 w
}
2 ~, U- ` I9 b `" I if ($request_method = 'GET') {
+ g. X; q+ T. y n4 B6 s4 `! B set $cors "${cors}get";
: Q* d* y1 k4 f# P }
: z4 W1 d4 B* G$ z( J if ($request_method = 'POST') {
. T$ A- J1 O6 M- L set $cors "${cors}post";
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- _/ G/ c. ~* D5 z, @ if ($cors = "true") { r; I# K0 U, M) B
# Catch all incase there's a request method we're not dealing with properly
9 ^% c0 \# s0 j9 j K) i$ T3 ~& f add_header 'Access-Control-Allow-Origin' "$http_origin";* H5 k1 M5 j) K3 J0 v
}
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if ($cors = "trueget") {& ~+ J9 O8 o5 y! {/ v5 q4 L. Q1 q
add_header 'Access-Control-Allow-Origin' "$http_origin";
* M$ A9 n( J, | V add_header 'Access-Control-Allow-Credentials' 'true';
) s0 H* m9 v. W$ P; F add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';; C3 O7 C5 [3 c9 z) ^: ]
add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
+ S/ g2 ^ O8 H6 I2 E! v }; s- {. W a5 V" \
+ c! T' Y+ |/ s' \ if ($cors = "trueoptions") {
$ n$ X6 {) D7 ?# {" ]) U# v add_header 'Access-Control-Allow-Origin' "$http_origin";
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# Om nom nom cookies0 K0 z2 u0 d# A* A9 a k d
#
- y; x: d$ a- T add_header 'Access-Control-Allow-Credentials' 'true';% }3 k: {% _+ n. K5 ~+ D
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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#
# p1 ^; ^. m" y: k0 p y7 V # Custom headers and headers various browsers *should* be OK with but aren't
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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';
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#! \8 ?$ D' g, v9 d3 z, Z1 g
# Tell client that this pre-flight info is valid for 20 days
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add_header 'Access-Control-Max-Age' 1728000;/ U/ ]: F& Y0 F+ k6 f) N/ i
add_header 'Content-Type' 'text/plain charset=UTF-8';
: c0 F' V+ _# H+ e add_header 'Content-Length' 0;, s f e0 c% v" S9 V& S
return 204;
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" a) X% `! i: g if ($cors = "truepost") {
( p/ {3 E X K& j add_header 'Access-Control-Allow-Origin' "$http_origin";9 x8 m9 t# c" o1 T# K ~! d
add_header 'Access-Control-Allow-Credentials' 'true';
" b* s! \% V# G5 p; R; s$ f+ o, y add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';$ A1 H4 W* n5 E
add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';7 z- F( b! p* {; T u- q
}
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