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annotate proxy_ssi_body.t @ 1961:fe6f22da53ec default tip

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Tests: tests for usage of discarded body. The client_max_body_size limit should be ignored when the request body is already discarded. In HTTP/1.x, this is done by checking the r->discard_body flag when the body is being discarded, and because r->headers_in.content_length_n is 0 when it's already discarded. This, however, does not happen with HTTP/2 and HTTP/3, and therefore "error_page 413" does not work without relaxing the limit. Further, with proxy_pass, r->headers_in.content_length_n is used to determine length of the request body, and therefore is not correct if discarding of the request body isn't yet complete. While discarding the request body, r->headers_in.content_length_n contains the rest of the body to discard (or, in case of chunked request body, the rest of the current chunk to discard). Similarly, the $content_length variable uses r->headers_in.content_length if available, and also incorrect. The $content_length variable is used when proxying with fastcgi_pass, grpc_pass, and uwsgi_pass (scgi_pass uses the value calculated based on the actual request body buffers, and therefore works correctly).
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 27 Apr 2024 18:55:50 +0300
parents 97c8280de681
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Test for proxied subrequest with request body in file.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 use Socket qw/ CRLF /;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx;
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21
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22 ###############################################################################
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23
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24 select STDERR; $| = 1;
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25 select STDOUT; $| = 1;
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26
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27 my $t = Test::Nginx->new()->has(qw/http proxy ssi/)->plan(1);
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28
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29 $t->write_file_expand('nginx.conf', <<'EOF');
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30
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31 %%TEST_GLOBALS%%
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32
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33 daemon off;
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34
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35 events {
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36 }
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37
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38 http {
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39 %%TEST_GLOBALS_HTTP%%
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40
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41 server {
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42 listen 127.0.0.1:8080;
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43 server_name localhost;
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44
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45 location / {
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46 }
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47
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48 location /proxy {
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49 proxy_pass http://127.0.0.1:8080/;
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50 client_body_in_file_only on;
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51 ssi on;
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52 }
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53 }
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54 }
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55
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56 EOF
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57
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58 $t->write_file('ssi.html', 'X<!--# include virtual="test.html" -->X');
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59 $t->write_file('test.html', 'YY');
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60
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61 $t->run();
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62
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63 ###############################################################################
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64
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65 # Request body cache file is released once a response is got.
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66 # If later a subrequest tries to use body, it fails.
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67
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68 like(http_get_body('/proxy/ssi.html', "1234567890"), qr/^XYYX$/m,
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69 'body in file in proxied subrequest');
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70
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71 ###############################################################################
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72
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73 sub http_get_body {
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74 my ($url, $body, %extra) = @_;
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75
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76 my $p = "GET $url HTTP/1.0" . CRLF
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77 . "Host: localhost" . CRLF
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78 . "Content-Length: " . (length $body) . CRLF . CRLF
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79 . $body;
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80
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81 return http($p, %extra);
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82 }
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83
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84 ###############################################################################