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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 | 只看該作者 回帖獎勵 |倒序瀏覽 |閱讀模式

以下是gist.github.com支援reverse proxied APIs的範例:3 I8 x& o; K8 q9 M! d9 E: i& k0 L0 t5 c

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# CORS header support8 R+ g& M. `$ x3 [
#
9 V* C5 N4 Z% j! }0 t. I" t3 X# One way to use this is by placing it into a file called "cors_support"
2 U" F2 {. L- q3 {# under your Nginx configuration directory and placing the following
+ j: V% l# B/ E1 R7 Y7 j7 [7 U# statement inside your **location** block(s):
5 ?- j+ `- i+ Q+ J- w' Q#$ {7 _1 [. _  `
#   include cors_support;8 U, J5 q5 r- d- h  w/ c: J
#* q1 n* h. G5 s0 ~1 \( ^
# As of Nginx 1.7.5, add_header supports an "always" parameter which
" v9 ^* i( e5 m1 m8 H5 w  b/ Y# allows CORS to work if the backend returns 4xx or 5xx status code.7 I+ O. x# q8 i% @% X
#
! X+ ?: |" I$ L# For more information on CORS, please see: http://enable-cors.org/( K& s9 M% B0 N, g+ y4 V) z
# Forked from this Gist: https://gist.github.com/michiel/1064640
* D) A) n- u$ N#
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set $cors '';: _$ @, r  W: y3 W$ k7 C# ?
if ($http_origin ~ '^https?://(localhost|www\.yourdomain\.com|www\.yourotherdomain\.com)$') {' r4 B, @4 d( A6 l
        set $cors 'true';
/ A; y: I) q; z9 X5 G}
8 Y2 f3 D$ E3 S1 f/ v* ?, d/ d. [# u/ Z5 f* ]* _
if ($cors = 'true') {/ f1 h- C" `4 }' b) @6 ^) ]& \# L+ B
        add_header 'Access-Control-Allow-Origin' "$http_origin" always;  K$ s* M/ p5 T6 f3 `( k3 k6 U
        add_header 'Access-Control-Allow-Credentials' 'true' always;+ b" u  u6 C4 x  A: e
        add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;( P' t; u  m# |% Q. z
        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;$ z- P8 g  g1 c
        # required to be able to read Authorization header in frontend
) p: D- ]3 |! h" A9 Y1 H        #add_header 'Access-Control-Expose-Headers' 'Authorization' always;6 j! E' K  [; t/ I' L0 S
}. j4 R8 d: q; G1 u& s

/ B0 F6 r9 j  D+ W5 Aif ($request_method = 'OPTIONS') {; j7 w3 q8 U8 J. ~
        # Tell client that this pre-flight info is valid for 20 days/ c0 T/ u+ ~$ O" X1 C: _5 `
        add_header 'Access-Control-Max-Age' 1728000;
& e8 V6 c- H& x' ^% Q! {1 ~+ {        add_header 'Content-Type' 'text/plain charset=UTF-8';
7 T+ C% a+ g/ C9 m7 x: W% I        add_header 'Content-Length' 0;% \4 j( u; v, \" L+ [7 i
        return 204;
: y( k1 a6 r. W/ J" q}
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;) k3 g, `$ R2 O
}. z6 ^* {. X9 m3 G4 ^$ F
set $origin $http_origin;
/ W$ E$ i6 @0 m  l/ z1 s* jif ($origin !~ '^https?://(subdom1|subdom2)\.yourdom\.zone$') {
7 S! y4 Y# t6 R% o  o     set $origin 'https://default.yourdom.zone';3 g( l- I) `# {# R" b
}
( D* [% i0 G) [8 A( [if ($request_method = 'OPTIONS') {6 e2 @* U+ j2 O: b6 x
     add_header 'Access-Control-Allow-Origin' "$origin" always;
+ f7 U$ u+ d. v6 u  U     add_header 'Access-Control-Allow-Methods' 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;, {+ A$ ^. [: `' n* I- u1 U2 f
     add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept, Authorization' always;' v! N: z. K! k" M: A, k
     add_header 'Access-Control-Allow-Credentials' 'true' always;
* E! M) \% ^$ F' q  y- h/ f     add_header Access-Control-Max-Age 1728000;   #20 days   0 G8 i# d7 m- M4 M, `2 h9 n, O$ W
     add_header Content-Type 'text/plain charset=UTF-8';
6 o# f" ^4 q6 q* q, x+ {: k     add_header Content-Length 0;
  D9 A& X: X4 [     return 204;
' w! O5 k5 ]! b) I}
! E& j; K) Z  `  w& kif ($request_method ~ '(GET|POST|PATCH|PUT|DELETE)') {+ C6 D! w: Z* `; N' R& D7 a* v: o6 _
     add_header Access-Control-Allow-Origin "$origin" always;
" n8 }3 S8 N, k; `6 h- }- `$ L     add_header Access-Control-Allow-Methods 'GET, POST, PATCH, PUT, DELETE, OPTIONS' always;
  o- G, `* n# X- C     add_header Access-Control-Allow-Headers 'Content-Type, Accept, Authorization' always;
  q' Q) s4 ?# Z     add_header Access-Control-Allow-Credentials true always;  g: x$ ^2 B- r
}
Access-Control-Allow-Origin Multiple Origin Domains? 的例子:
# based on https://gist.github.com/4165271/0 H9 L5 \$ k- `) N: y3 H) l
#" }& i) n! W# Q6 f6 A6 |! l
# Slightly tighter CORS config for nginx0 X6 L) O7 B! g" W
#! v! a! \5 W5 y" j& d% }- A. ?' H
# A modification of https://gist.github.com/1064640/ to include a white-list of URLs. a$ n+ y! i% v: ^
#5 i: D$ v% U8 \0 ]) F3 K
# Despite the W3C guidance suggesting that a list of origins can be passed as part of
: u8 J+ e/ F1 ]4 P( p5 c# Access-Control-Allow-Origin headers, several browsers (well, at least Firefox)
, Y0 [' t1 D. M: T8 w  u( y# don't seem to play nicely with this.
- s3 a9 W/ v( N% h5 S#
( y/ j! ]/ E! w% j3 G! p% e# To avoid the use of 'Access-Control-Allow-Origin: *', use a simple-ish whitelisting
, q9 `2 ^! H1 b2 d5 a7 s+ L# method to control access instead.
" c1 B/ x2 T. G; ~2 [, z6 i#
! P  F% o, Z" \) o' Y( ]4 @' r# NB: This relies on the use of the 'Origin' HTTP Header.7 H- b6 o2 ]% K$ a; p4 B
3 X2 m. {7 B% @; o* L9 o
location / {
4 J. ?0 s4 w9 v1 k& U# y
0 a- _2 \% s2 D$ J    if ($http_origin ~* (^https?://([^/]+\.)*(domainone|domaintwo)\.com$)) {
6 \  Q% G# i) N2 `% [5 V        set $cors "true";! B2 b$ `: X2 j
    }
2 K7 f: u- F( G/ q4 h, N& k2 e
: f" x- {: W8 P3 ~9 v    # Nginx doesn't support nested If statements. This is where things get slightly nasty.! P& T) d* Y" s- F$ s# o9 s& L! ?* O
    # Determine the HTTP request method used
  s( ~  {' o0 h$ X/ c  o" m! p    if ($request_method = 'OPTIONS') {/ Y# a+ r  {' [! z8 J3 |
        set $cors "${cors}options";8 P6 V$ z8 g6 V% _, H; V
    }( L( ^: X& f5 d1 S6 s3 h# X
    if ($request_method = 'GET') {! h. d( \% e% ~8 V0 Z1 E8 J; _
        set $cors "${cors}get";
1 G$ K/ v; M( x7 g7 B" `5 K1 C( ]    }4 A, v  X* Q. K+ m6 j
    if ($request_method = 'POST') {
  b( I7 c) z( ^# c. p5 z8 q, \        set $cors "${cors}post";
4 t0 W; e8 m! T+ {9 k' V& Y    }  T" F% W6 n- g

$ V6 {& W+ Z. K( Q% K3 x/ ~1 ?    if ($cors = "true") {
/ f, h1 Q5 t/ P3 l0 T4 J0 O) a        # Catch all incase there's a request method we're not dealing with properly+ P( K2 V1 x$ K- j# L: c8 m
        add_header 'Access-Control-Allow-Origin' "$http_origin";2 O4 E$ S# I0 l" r
    }
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. x! T7 \7 W) i; ?5 k0 @& S    if ($cors = "trueget") {( v, |, T2 L+ {+ N) u: c
        add_header 'Access-Control-Allow-Origin' "$http_origin";
' q% X8 s$ i: v7 o' q0 y+ ~3 g% q        add_header 'Access-Control-Allow-Credentials' 'true';) o3 r0 l% ]$ j3 O) W
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+ c! u2 b5 M6 |9 D3 V7 X        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';/ d3 c: w( ^/ l+ B2 t) W% Z: v
    }
$ t: X4 V* _+ C5 {$ ^8 I  P2 i# `/ D/ r
    if ($cors = "trueoptions") {
$ A, f% n  n- ~2 x6 w6 {) R        add_header 'Access-Control-Allow-Origin' "$http_origin";
  P' Y; Y: t4 n3 O
" i2 f5 J' r( q8 e, H+ `" `        #" d8 d( K# y6 s$ ~; J: G
        # Om nom nom cookies& b% s, M4 Q3 T; K: q
        #( g+ ~7 n1 M2 M) g
        add_header 'Access-Control-Allow-Credentials' 'true';
7 Q' L% h' c4 L" N' F$ u        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
' U4 b7 p2 l8 V6 q+ \* i
4 w) W% k& ~7 S5 q9 M        #: q; P2 b& B, [* `/ j
        # Custom headers and headers various browsers *should* be OK with but aren't( C" j& \$ r6 w; V
        #
0 O9 g. }$ _; ?) S4 D; X        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';! d9 H; x$ _1 }& E6 [; [

) ~+ U# W3 H6 H5 G& R$ h: U/ w        #6 g) G, w$ Y1 q# P7 E' A# c
        # Tell client that this pre-flight info is valid for 20 days. f$ V. f9 A5 }% P" q8 ~1 n( B
        #
$ t  i* E/ A1 E: f0 U; h, k        add_header 'Access-Control-Max-Age' 1728000;- |) E# w& h2 S- c  v
        add_header 'Content-Type' 'text/plain charset=UTF-8';
4 A* w5 X: s% v% L; v- W4 O        add_header 'Content-Length' 0;
" ?# g3 r% X5 H3 o9 i" ]        return 204;1 S( G2 g9 u; p" d
    }8 L" @  Q9 X7 Y6 ^
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    if ($cors = "truepost") {, u; g% ^& v7 t* N$ M
        add_header 'Access-Control-Allow-Origin' "$http_origin";3 Z. `6 t6 z4 g( u; P# j) E: R
        add_header 'Access-Control-Allow-Credentials' 'true';8 s* I! r( N2 p7 R# W  _
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
( q4 F2 s% o. J        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';9 l- Z% M" u  F5 h1 R
    }
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