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[nginx|php-fpm] Nginx之CORS(Cross-Origin Resource Sharing,跨來源資源共享)來實現防止盜連多媒體資源

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發表於 2019-2-20 09:34:17 | 顯示全部樓層 |閱讀模式
tid=101068&以下是gist.github.com支援reverse proxied APIs的範例:
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# [7 n3 |# b+ s3 _8 Y& I! S6 l
# CORS header support
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# One way to use this is by placing it into a file called "cors_support"' C) Q) S2 J+ d5 b
# under your Nginx configuration directory and placing the following
: i% u; @' o, M0 \0 J# statement inside your **location** block(s):
) c0 N3 Q( z+ D" h#
8 b" D3 p6 h* M  b#   include cors_support;3 o0 h3 @8 a. R: s0 k
#
, Y( ~  O  k  ?- o. G2 K# As of Nginx 1.7.5, add_header supports an "always" parameter which; d6 I! Y, [' W  X
# allows CORS to work if the backend returns 4xx or 5xx status code.! P' o$ s$ ]/ B9 S, |
#  ^0 a" s3 \8 \6 R7 A0 f
# For more information on CORS, please see: http://enable-cors.org/
* B) D) v2 y$ @% l& r/ b& u" l# Forked from this Gist: https://gist.github.com/michiel/1064640
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set $cors '';! C$ p7 |* x1 Q5 e; {  F
if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {
% @+ b1 D) B9 `/ u1 h- B        set $cors 'true';) W  A' _* Q1 W: y7 l" x
}  k5 I- o; k3 g5 _: O( _4 H
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if ($cors = 'true') {
# M1 b% ]. F3 f6 J        add_header 'Access-Control-Allow-Origin' "$http_origin" always;! f. Z. B  f  u7 e0 R0 P7 K
        add_header 'Access-Control-Allow-Credentials' 'true' always;
. D* p( A/ L: L) p        add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;& Y  V. x/ E3 x/ D2 A3 k* O9 a
        add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With' always;
6 c$ \% A1 Z3 s" O3 a        # required to be able to read Authorization header in frontend( R. ]# c) j6 H* q0 ^) K7 O
        #add_header 'Access-Control-Expose-Headers' 'Authorization' always;& C7 @) X2 O2 p8 x& D+ C- |: w
}/ ]' r6 |5 v. l) Q3 u& z

8 f* A+ b( y! w- G8 x+ Eif ($request_method = 'OPTIONS') {& J6 K1 c0 S  q# }6 ^0 |% Z- H: X
        # Tell client that this pre-flight info is valid for 20 days
) d( l. t: {- k        add_header 'Access-Control-Max-Age' 1728000;5 L- _# L0 s2 h6 b& D3 |/ ~
        add_header 'Content-Type' 'text/plain charset=UTF-8';
- w$ H0 C. I  O7 M! T1 i        add_header 'Content-Length' 0;
' y2 ^' E! q5 Y2 P$ O1 G        return 204;
( n% K+ t" x7 _3 N: h, \}
https://gist.github.com/Stanback/7145487#file-nginx-conf 的討論範例:
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if ( $request_method !~ ^(GET|POST|HEAD|OPTIONS|PUT|PATCH|DELETE)$ ) {     return 444;9 }5 z! E1 ~" u( x
}, @6 d7 z8 T/ h
set $origin $http_origin;* l: ]& }  Y' @- P" R3 C
if ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {
+ P: l6 _3 W; j& f. ^" x     set $origin 'https://default.yourdom.zone';' V6 M0 B# X1 z
}
0 w/ Y4 A( r4 I, G0 V; ]7 F: Iif ($request_method = 'OPTIONS') {
  }6 R" e' ?0 b3 k7 h     add_header 'Access-Control-Allow-Origin' "$origin" always;
# r$ P7 n/ P. R. t     add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
- L+ L5 @1 k1 W: j  d     add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;
, h+ \( X: M$ p9 I1 o4 o     add_header 'Access-Control-Allow-Credentials' 'true' always;
! z( ]/ z& z/ z# O' W; S     add_header Access-Control-Max-Age 1728000;   #20 days   
' l+ r' g4 a! |) o     add_header Content-Type 'text/plain charset=UTF-8';
$ v8 X# W% w& [9 A1 l- m' S     add_header Content-Length 0;
* @5 V) H) s. s     return 204;
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if ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {) p; I2 Y$ ?, \7 x8 B) {
     add_header Access-Control-Allow-Origin "$origin" always;
! g# u& \3 P4 j; L( s; x  G7 O     add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;$ G$ h* C* ?: C+ z  I& X
     add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;
* T; ?0 h4 b2 Z: @3 G6 e6 a: w8 q     add_header Access-Control-Allow-Credentials true always;
& \9 t, b% W7 m, W  l}
Access-Control-Allow-Origin Multiple Origin Domains? 的例子:
# based on https://gist.github.com/4165271/! a# o% p; Q! I% `
#% R! }: V9 S! U
# Slightly tighter CORS config for nginx6 X& P# T& O. ~# U
#
3 C; X* M3 F/ Y& V5 [& G# A modification of https://gist.github.com/1064640/ to include a white-list of URLs- j3 v; z$ j% f* o9 ?+ c/ N8 L% O4 Q
#
# ]& V9 z6 }1 U4 ~. [5 @# Despite the W3C guidance suggesting that a list of origins can be passed as part of2 Z1 n' U- o9 E7 u+ }5 Y
# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)
: M9 h4 q% x9 q& S+ L3 g! o# don't seem to play nicely with this.
$ a' X4 k/ w2 N, e3 D#
1 W; l0 C" C% r- I* \" f# To avoid the use of 'Access-Control-Allow-Origin: *', use a simple-ish whitelisting9 Q1 X, D8 r9 H" `. N% I
# method to control access instead.
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# NB: This relies on the use of the 'Origin' HTTP Header.
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$ _5 a2 L! ^" T' @6 p. elocation / {
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    if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {. e$ @& P7 J; C
        set $cors "true";0 H% x! B' E0 x/ k& j  y
    }
# O4 i  ?; _* {2 l
8 x; j5 s$ R6 o/ x7 \! U    # Nginx doesn't support nested If statements. This is where things get slightly nasty.
4 _% I. J- @, A2 C, z# D    # Determine the HTTP request method used. ?- s2 l, u2 [/ p5 t+ R
    if ($request_method = 'OPTIONS') {$ J$ V( H% P4 _8 \$ ~, h
        set $cors "${cors}options";1 |1 p; ]5 D# M7 X% \  b  \
    }) C- N8 _% g* K3 r; r9 C
    if ($request_method = 'GET') {' V2 k+ @# _/ ~
        set $cors "${cors}get";6 [0 \9 V3 f! Y$ i6 _
    }
8 h6 s  p) e1 _/ Q3 S! y% I    if ($request_method = 'POST') {
4 [/ e( j' K" G9 h, `% n2 w+ H) w. z        set $cors "${cors}post";
2 v4 }/ y9 X( }    }
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    if ($cors = "true") {: l# U! R# s) p! U3 x! W. w- W
        # Catch all incase there's a request method we're not dealing with properly. A% g; [5 F/ `' u  R6 Y) U$ d
        add_header 'Access-Control-Allow-Origin' "$http_origin";
% b  V, t) A: n+ `0 `  ?    }
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8 ]& ~! x1 H) n! u% o8 D, H' ]    if ($cors = "trueget") {
- \1 t7 ~$ ^9 w. S9 H        add_header 'Access-Control-Allow-Origin' "$http_origin";
  R& \- j" m9 s3 W( z        add_header 'Access-Control-Allow-Credentials' 'true';" {7 m% \& W- `4 S$ |8 S8 }( r
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';0 E! F/ j- ]1 m, Y0 @4 a6 Y/ x
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';8 K9 b1 M/ ]9 c4 \- R
    }
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+ {0 |# k6 k- p. ?- Z8 m' \    if ($cors = "trueoptions") {
  C, p- u6 W/ e" A        add_header 'Access-Control-Allow-Origin' "$http_origin";
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8 ?& ]5 H8 d5 F& N4 d        #7 D' X" K+ G. n) ~  P; Q! I3 w( B" {
        # Om nom nom cookies9 q8 F! ^: ]" U  x8 H4 z% Y1 Q
        #' d3 r4 l+ _( H; k
        add_header 'Access-Control-Allow-Credentials' 'true';
( E% E! y9 @' e% f( D        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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        #0 ?: t" g+ {7 ~
        # Custom headers and headers various browsers *should* be OK with but aren't: W; N/ r: H. X& _( b" L
        #/ _0 P7 y  Y- o( Y6 d. k' q* U+ ^
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
' \* H8 u% i) I3 y) @; G" h2 a& Q! y
        #
+ b% Q/ E/ ^6 q& H; u" n1 v        # Tell client that this pre-flight info is valid for 20 days+ g+ x& Q; F1 W" B" m& ?
        #) m9 g# K1 K9 ]' h- T" R! |
        add_header 'Access-Control-Max-Age' 1728000;
% M, G4 U( ?* E        add_header 'Content-Type' 'text/plain charset=UTF-8';
5 D3 s0 I' i, c: K2 p% X        add_header 'Content-Length' 0;3 `. b! ]* g- g3 u
        return 204;) l* m2 P) e& ]0 I- Q
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    if ($cors = "truepost") {
' N6 O2 j- f, r3 @6 U% B/ j        add_header 'Access-Control-Allow-Origin' "$http_origin";2 j& f# t# I6 O% k
        add_header 'Access-Control-Allow-Credentials' 'true';
5 O4 \. {2 |7 [$ h3 O  j+ s8 P! v        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';& T: O$ V% |& h& x5 A
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';" C! |5 Q6 }: b  j7 U
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}

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