Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 6334:b31928ca3870
Upstream: fixed changing method on X-Accel-Redirect.
Previously, only r->method was changed, resulting in handling of a request
as GET within nginx itself, but not in requests to proxied servers.
See http://mailman.nginx.org/pipermail/nginx/2015-December/049518.html.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 11 Jan 2016 19:08:12 +0300 |
parents | 29f35e60840b |
children | 2cd019520210 |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 /* |
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14 * the single part format: |
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15 * |
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16 * "HTTP/1.0 206 Partial Content" CRLF |
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17 * ... header ... |
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18 * "Content-Type: image/jpeg" CRLF |
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19 * "Content-Length: SIZE" CRLF |
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20 * "Content-Range: bytes START-END/SIZE" CRLF |
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21 * CRLF |
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22 * ... data ... |
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23 * |
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24 * |
5538 | 25 * the multipart format: |
160
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26 * |
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27 * "HTTP/1.0 206 Partial Content" CRLF |
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28 * ... header ... |
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29 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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30 * CRLF |
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31 * CRLF |
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32 * "--0123456789" CRLF |
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33 * "Content-Type: image/jpeg" CRLF |
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34 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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35 * CRLF |
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36 * ... data ... |
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37 * CRLF |
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38 * "--0123456789" CRLF |
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39 * "Content-Type: image/jpeg" CRLF |
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40 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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41 * CRLF |
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42 * ... data ... |
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43 * CRLF |
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44 * "--0123456789--" CRLF |
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45 */ |
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46 |
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47 |
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48 typedef struct { |
963
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49 off_t start; |
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50 off_t end; |
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51 ngx_str_t content_range; |
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52 } ngx_http_range_t; |
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53 |
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54 |
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55 typedef struct { |
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56 off_t offset; |
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57 ngx_str_t boundary_header; |
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58 ngx_array_t ranges; |
99
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59 } ngx_http_range_filter_ctx_t; |
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60 |
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61 |
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62 static ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, |
4062 | 63 ngx_http_range_filter_ctx_t *ctx, ngx_uint_t ranges); |
2118
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64 static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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65 ngx_http_range_filter_ctx_t *ctx); |
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66 static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, |
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67 ngx_http_range_filter_ctx_t *ctx); |
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68 static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); |
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69 static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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70 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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71 static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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72 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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73 static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, |
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74 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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75 |
681 | 76 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
77 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
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78 |
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79 |
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80 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
509 | 81 NULL, /* preconfiguration */ |
681 | 82 ngx_http_range_header_filter_init, /* postconfiguration */ |
177
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83 |
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84 NULL, /* create main configuration */ |
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85 NULL, /* init main configuration */ |
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86 |
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87 NULL, /* create server configuration */ |
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88 NULL, /* merge server configuration */ |
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89 |
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90 NULL, /* create location configuration */ |
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91 NULL, /* merge location configuration */ |
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92 }; |
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93 |
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94 |
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95 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 96 NGX_MODULE_V1, |
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97 &ngx_http_range_header_filter_module_ctx, /* module context */ |
99
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98 NULL, /* module directives */ |
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99 NGX_HTTP_MODULE, /* module type */ |
541 | 100 NULL, /* init master */ |
681 | 101 NULL, /* init module */ |
541 | 102 NULL, /* init process */ |
103 NULL, /* init thread */ | |
104 NULL, /* exit thread */ | |
105 NULL, /* exit process */ | |
106 NULL, /* exit master */ | |
107 NGX_MODULE_V1_PADDING | |
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108 }; |
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109 |
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110 |
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111 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
509 | 112 NULL, /* preconfiguration */ |
681 | 113 ngx_http_range_body_filter_init, /* postconfiguration */ |
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114 |
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115 NULL, /* create main configuration */ |
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116 NULL, /* init main configuration */ |
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117 |
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nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
118 NULL, /* create server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
119 NULL, /* merge server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
120 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
121 NULL, /* create location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
122 NULL, /* merge location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
123 }; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
124 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
125 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
126 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 127 NGX_MODULE_V1, |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
128 &ngx_http_range_body_filter_module_ctx, /* module context */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
129 NULL, /* module directives */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
130 NGX_HTTP_MODULE, /* module type */ |
541 | 131 NULL, /* init master */ |
681 | 132 NULL, /* init module */ |
541 | 133 NULL, /* init process */ |
134 NULL, /* init thread */ | |
135 NULL, /* exit thread */ | |
136 NULL, /* exit process */ | |
137 NULL, /* exit master */ | |
138 NGX_MODULE_V1_PADDING | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 }; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
142 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
143 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
493 | 146 static ngx_int_t |
147 ngx_http_range_header_filter(ngx_http_request_t *r) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 { |
4745
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Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
149 time_t if_range_time; |
4752060ca462
Entity tags: support in If-Range header.
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parents:
4741
diff
changeset
|
150 ngx_str_t *if_range, *etag; |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
151 ngx_uint_t ranges; |
4062 | 152 ngx_http_core_loc_conf_t *clcf; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
155 if (r->http_version < NGX_HTTP_VERSION_10 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 || r->headers_out.status != NGX_HTTP_OK |
6317 | 157 || (r != r->main && !r->subrequest_ranges) |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
158 || r->headers_out.content_length_n == -1 |
581 | 159 || !r->allow_ranges) |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
160 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
161 return ngx_http_next_header_filter(r); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
162 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
163 |
4062 | 164 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
165 | |
166 if (clcf->max_ranges == 0) { | |
167 return ngx_http_next_header_filter(r); | |
168 } | |
169 | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
170 if (r->headers_in.range == NULL |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 || r->headers_in.range->value.len < 7 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
172 || ngx_strncasecmp(r->headers_in.range->value.data, |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
173 (u_char *) "bytes=", 6) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
174 != 0) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 { |
1630 | 176 goto next_filter; |
177 } | |
178 | |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
179 if (r->headers_in.if_range) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
180 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
181 if_range = &r->headers_in.if_range->value; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
182 |
4750
149634c98d67
Entity tags: empty etags handling in If-Range.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4745
diff
changeset
|
183 if (if_range->len >= 2 && if_range->data[if_range->len - 1] == '"') { |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
184 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
185 if (r->headers_out.etag == NULL) { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
186 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
187 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
188 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
189 etag = &r->headers_out.etag->value; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
190 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
191 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
192 "http ir:%V etag:%V", if_range, etag); |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
193 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
194 if (if_range->len != etag->len |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
195 || ngx_strncmp(if_range->data, etag->data, etag->len) != 0) |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
196 { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
197 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
198 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
199 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
200 goto parse; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
201 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
202 |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
203 if (r->headers_out.last_modified_time == (time_t) -1) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
204 goto next_filter; |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
205 } |
1630 | 206 |
6180
8b6fa4842133
Moved ngx_http_parse_time() to core, renamed accordingly.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6013
diff
changeset
|
207 if_range_time = ngx_parse_http_time(if_range->data, if_range->len); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
208 |
1630 | 209 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
210 "http ir:%d lm:%d", | |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
211 if_range_time, r->headers_out.last_modified_time); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
212 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
213 if (if_range_time != r->headers_out.last_modified_time) { |
1630 | 214 goto next_filter; |
215 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
218 parse: |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
219 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
220 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
221 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
222 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
223 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
224 |
6317 | 225 ctx->offset = r->headers_out.content_offset; |
226 | |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
227 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2269
diff
changeset
|
228 != NGX_OK) |
461 | 229 { |
230 return NGX_ERROR; | |
231 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
232 |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
233 ranges = r->single_range ? 1 : clcf->max_ranges; |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
234 |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
235 switch (ngx_http_range_parse(r, ctx, ranges)) { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
236 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
237 case NGX_OK: |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
238 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
239 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
240 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
241 r->headers_out.status_line.len = 0; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
242 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
243 if (ctx->ranges.nelts == 1) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
244 return ngx_http_range_singlepart_header(r, ctx); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
245 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
246 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
247 return ngx_http_range_multipart_header(r, ctx); |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
248 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
249 case NGX_HTTP_RANGE_NOT_SATISFIABLE: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
250 return ngx_http_range_not_satisfiable(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
251 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
252 case NGX_ERROR: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
253 return NGX_ERROR; |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
254 |
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255 default: /* NGX_DECLINED */ |
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256 break; |
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257 } |
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258 |
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259 next_filter: |
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260 |
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261 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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262 if (r->headers_out.accept_ranges == NULL) { |
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263 return NGX_ERROR; |
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264 } |
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265 |
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266 r->headers_out.accept_ranges->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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267 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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268 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
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269 |
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270 return ngx_http_next_header_filter(r); |
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271 } |
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272 |
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273 |
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274 static ngx_int_t |
4062 | 275 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, |
276 ngx_uint_t ranges) | |
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277 { |
6317 | 278 u_char *p; |
279 off_t start, end, size, content_length, cutoff, | |
280 cutlim; | |
281 ngx_uint_t suffix; | |
282 ngx_http_range_t *range; | |
283 ngx_http_range_filter_ctx_t *mctx; | |
284 | |
285 if (r != r->main) { | |
286 mctx = ngx_http_get_module_ctx(r->main, | |
287 ngx_http_range_body_filter_module); | |
288 if (mctx) { | |
289 ctx->ranges = mctx->ranges; | |
290 return NGX_OK; | |
291 } | |
292 } | |
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293 |
99
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294 p = r->headers_in.range->value.data + 6; |
4035
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295 size = 0; |
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296 content_length = r->headers_out.content_length_n; |
99
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297 |
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298 cutoff = NGX_MAX_OFF_T_VALUE / 10; |
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299 cutlim = NGX_MAX_OFF_T_VALUE % 10; |
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300 |
99
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301 for ( ;; ) { |
231
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302 start = 0; |
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303 end = 0; |
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304 suffix = 0; |
99
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305 |
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306 while (*p == ' ') { p++; } |
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307 |
231
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308 if (*p != '-') { |
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309 if (*p < '0' || *p > '9') { |
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310 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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311 } |
99
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312 |
231
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313 while (*p >= '0' && *p <= '9') { |
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314 if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { |
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315 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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316 } |
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|
317 |
231
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318 start = start * 10 + *p++ - '0'; |
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319 } |
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320 |
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321 while (*p == ' ') { p++; } |
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|
322 |
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|
323 if (*p++ != '-') { |
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324 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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195
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|
325 } |
99
a059e1aa65d4
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|
326 |
231
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|
327 while (*p == ' ') { p++; } |
99
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|
328 |
231
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|
329 if (*p == ',' || *p == '\0') { |
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|
330 end = content_length; |
4055
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|
331 goto found; |
99
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|
332 } |
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|
333 |
231
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|
334 } else { |
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335 suffix = 1; |
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|
336 p++; |
99
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|
337 } |
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|
338 |
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|
339 if (*p < '0' || *p > '9') { |
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340 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
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|
341 } |
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|
342 |
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|
343 while (*p >= '0' && *p <= '9') { |
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344 if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { |
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345 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
346 } |
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|
347 |
99
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|
348 end = end * 10 + *p++ - '0'; |
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349 } |
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|
350 |
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|
351 while (*p == ' ') { p++; } |
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|
352 |
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|
353 if (*p != ',' && *p != '\0') { |
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354 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
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|
355 } |
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|
356 |
231
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195
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|
357 if (suffix) { |
4057
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|
358 start = content_length - end; |
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|
359 end = content_length - 1; |
231
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360 } |
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|
361 |
4057
3205a6d6c6ec
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|
362 if (end >= content_length) { |
3205a6d6c6ec
Ranges processing small optimization.
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|
363 end = content_length; |
4055
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Ranges processing small optimization.
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4054
diff
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|
364 |
9cce506be97d
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diff
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|
365 } else { |
9cce506be97d
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|
366 end++; |
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|
367 } |
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|
368 |
9cce506be97d
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diff
changeset
|
369 found: |
9cce506be97d
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diff
changeset
|
370 |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
Igor Sysoev <igor@sysoev.ru>
parents:
4059
diff
changeset
|
371 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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|
372 range = ngx_array_push(&ctx->ranges); |
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Style fix: removal of tabs introduced in the previous commit.
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|
373 if (range == NULL) { |
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Style fix: removal of tabs introduced in the previous commit.
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|
374 return NGX_ERROR; |
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Style fix: removal of tabs introduced in the previous commit.
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changeset
|
375 } |
461 | 376 |
4061
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Style fix: removal of tabs introduced in the previous commit.
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|
377 range->start = start; |
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|
378 range->end = end; |
99
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|
379 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
parents:
4060
diff
changeset
|
380 size += end - start; |
4062 | 381 |
4063
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
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382 if (ranges-- == 0) { |
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383 return NGX_DECLINED; |
4062 | 384 } |
4060
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385 } |
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386 |
231
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387 if (*p++ != ',') { |
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388 break; |
231
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389 } |
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390 } |
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391 |
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392 if (ctx->ranges.nelts == 0) { |
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393 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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394 } |
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395 |
4057
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396 if (size > content_length) { |
4035
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397 return NGX_DECLINED; |
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398 } |
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399 |
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400 return NGX_OK; |
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401 } |
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402 |
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403 |
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404 static ngx_int_t |
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405 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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406 ngx_http_range_filter_ctx_t *ctx) |
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407 { |
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408 ngx_table_elt_t *content_range; |
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409 ngx_http_range_t *range; |
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410 |
6317 | 411 if (r != r->main) { |
412 return ngx_http_next_header_filter(r); | |
413 } | |
414 | |
2118
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415 content_range = ngx_list_push(&r->headers_out.headers); |
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416 if (content_range == NULL) { |
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417 return NGX_ERROR; |
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418 } |
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419 |
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420 r->headers_out.content_range = content_range; |
461 | 421 |
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422 content_range->hash = 1; |
3516
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423 ngx_str_set(&content_range->key, "Content-Range"); |
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424 |
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425 content_range->value.data = ngx_pnalloc(r->pool, |
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426 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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427 if (content_range->value.data == NULL) { |
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428 return NGX_ERROR; |
461 | 429 } |
430 | |
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431 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 432 |
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433 range = ctx->ranges.elts; |
461 | 434 |
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435 content_range->value.len = ngx_sprintf(content_range->value.data, |
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436 "bytes %O-%O/%O", |
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437 range->start, range->end - 1, |
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438 r->headers_out.content_length_n) |
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439 - content_range->value.data; |
461 | 440 |
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441 r->headers_out.content_length_n = range->end - range->start; |
6317 | 442 r->headers_out.content_offset = range->start; |
461 | 443 |
2118
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444 if (r->headers_out.content_length) { |
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445 r->headers_out.content_length->hash = 0; |
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446 r->headers_out.content_length = NULL; |
461 | 447 } |
448 | |
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449 return ngx_http_next_header_filter(r); |
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450 } |
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451 |
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452 |
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453 static ngx_int_t |
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454 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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455 ngx_http_range_filter_ctx_t *ctx) |
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456 { |
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457 size_t len; |
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458 ngx_uint_t i; |
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459 ngx_http_range_t *range; |
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|
460 ngx_atomic_uint_t boundary; |
461 | 461 |
493 | 462 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
463 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 464 + r->headers_out.content_type.len |
461 | 465 + sizeof(CRLF "Content-Range: bytes ") - 1; |
466 | |
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467 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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468 && r->headers_out.charset.len) |
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469 { |
461 | 470 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
471 } | |
472 | |
2049 | 473 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 474 if (ctx->boundary_header.data == NULL) { |
461 | 475 return NGX_ERROR; |
476 } | |
477 | |
493 | 478 boundary = ngx_next_temp_number(0); |
461 | 479 |
480 /* | |
481 * The boundary header of the range: | |
482 * CRLF | |
483 * "--0123456789" CRLF | |
484 * "Content-Type: image/jpeg" CRLF | |
485 * "Content-Range: bytes " | |
486 */ | |
487 | |
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488 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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|
489 && r->headers_out.charset.len) |
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490 { |
461 | 491 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 492 CRLF "--%0muA" CRLF |
461 | 493 "Content-Type: %V; charset=%V" CRLF |
494 "Content-Range: bytes ", | |
495 boundary, | |
509 | 496 &r->headers_out.content_type, |
461 | 497 &r->headers_out.charset) |
498 - ctx->boundary_header.data; | |
499 | |
2119
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500 } else if (r->headers_out.content_type.len) { |
461 | 501 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 502 CRLF "--%0muA" CRLF |
461 | 503 "Content-Type: %V" CRLF |
504 "Content-Range: bytes ", | |
505 boundary, | |
509 | 506 &r->headers_out.content_type) |
461 | 507 - ctx->boundary_header.data; |
2119
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|
508 |
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509 } else { |
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510 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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511 CRLF "--%0muA" CRLF |
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512 "Content-Range: bytes ", |
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513 boundary) |
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514 - ctx->boundary_header.data; |
461 | 515 } |
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516 |
509 | 517 r->headers_out.content_type.data = |
2049 | 518 ngx_pnalloc(r->pool, |
519 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
520 + NGX_ATOMIC_T_LEN); | |
165
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521 |
509 | 522 if (r->headers_out.content_type.data == NULL) { |
461 | 523 return NGX_ERROR; |
524 } | |
99
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525 |
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|
526 r->headers_out.content_type_lowcase = NULL; |
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527 |
461 | 528 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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529 |
509 | 530 r->headers_out.content_type.len = |
531 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 532 "multipart/byteranges; boundary=%0muA", |
461 | 533 boundary) |
509 | 534 - r->headers_out.content_type.data; |
160
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535 |
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|
536 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 537 |
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|
538 r->headers_out.charset.len = 0; |
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539 |
461 | 540 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 541 |
542 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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543 |
963
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544 range = ctx->ranges.elts; |
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545 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 546 |
461 | 547 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 548 |
461 | 549 range[i].content_range.data = |
2049 | 550 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
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551 |
461 | 552 if (range[i].content_range.data == NULL) { |
553 return NGX_ERROR; | |
554 } | |
99
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555 |
461 | 556 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
557 "%O-%O/%O" CRLF CRLF, | |
558 range[i].start, range[i].end - 1, | |
559 r->headers_out.content_length_n) | |
560 - range[i].content_range.data; | |
160
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561 |
461 | 562 len += ctx->boundary_header.len + range[i].content_range.len |
563 + (size_t) (range[i].end - range[i].start); | |
564 } | |
99
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|
565 |
461 | 566 r->headers_out.content_length_n = len; |
960 | 567 |
568 if (r->headers_out.content_length) { | |
569 r->headers_out.content_length->hash = 0; | |
570 r->headers_out.content_length = NULL; | |
571 } | |
99
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572 |
155
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diff
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|
573 return ngx_http_next_header_filter(r); |
2118
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574 } |
1630 | 575 |
576 | |
2118
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577 static ngx_int_t |
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578 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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|
579 { |
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580 ngx_table_elt_t *content_range; |
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581 |
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|
582 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
583 |
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|
584 content_range = ngx_list_push(&r->headers_out.headers); |
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585 if (content_range == NULL) { |
1630 | 586 return NGX_ERROR; |
587 } | |
588 | |
2118
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589 r->headers_out.content_range = content_range; |
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590 |
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|
591 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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parents:
3331
diff
changeset
|
592 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 593 |
2118
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594 content_range->value.data = ngx_pnalloc(r->pool, |
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changeset
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595 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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diff
changeset
|
596 if (content_range->value.data == NULL) { |
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597 return NGX_ERROR; |
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|
598 } |
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|
599 |
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600 content_range->value.len = ngx_sprintf(content_range->value.data, |
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changeset
|
601 "bytes */%O", |
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diff
changeset
|
602 r->headers_out.content_length_n) |
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diff
changeset
|
603 - content_range->value.data; |
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diff
changeset
|
604 |
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split ngx_http_range_filter_module
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diff
changeset
|
605 ngx_http_clear_content_length(r); |
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diff
changeset
|
606 |
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changeset
|
607 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
608 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
609 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
610 |
493 | 611 static ngx_int_t |
612 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
613 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
614 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
615 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
616 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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962
diff
changeset
|
617 return ngx_http_next_body_filter(r, in); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
618 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
619 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
620 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
621 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
622 if (ctx == NULL) { |
155
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Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
623 return ngx_http_next_body_filter(r, in); |
99
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parents:
diff
changeset
|
624 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
625 |
2121
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2119
diff
changeset
|
626 if (ctx->ranges.nelts == 1) { |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
627 return ngx_http_range_singlepart_body(r, ctx, in); |
b39c0040b3e4
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diff
changeset
|
628 } |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
629 |
b39c0040b3e4
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2119
diff
changeset
|
630 /* |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
631 * multipart ranges are supported only if whole body is in a single buffer |
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2119
diff
changeset
|
632 */ |
b39c0040b3e4
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2119
diff
changeset
|
633 |
962
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961
diff
changeset
|
634 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
635 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
636 } |
69754fb59ba1
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parents:
961
diff
changeset
|
637 |
2118
c1f589732d8c
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2049
diff
changeset
|
638 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
639 return NGX_ERROR; |
c1f589732d8c
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diff
changeset
|
640 } |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
641 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
642 return ngx_http_range_multipart_body(r, ctx, in); |
c1f589732d8c
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2049
diff
changeset
|
643 } |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
644 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
645 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
646 static ngx_int_t |
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split ngx_http_range_filter_module
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diff
changeset
|
647 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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split ngx_http_range_filter_module
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diff
changeset
|
648 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
649 { |
c1f589732d8c
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diff
changeset
|
650 off_t start, last; |
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diff
changeset
|
651 ngx_buf_t *buf; |
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diff
changeset
|
652 ngx_uint_t i; |
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diff
changeset
|
653 ngx_http_range_t *range; |
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diff
changeset
|
654 |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
655 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
656 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
657 } |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
658 |
2118
c1f589732d8c
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2049
diff
changeset
|
659 buf = in->buf; |
960 | 660 |
661 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
662 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
663 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
664 |
2118
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diff
changeset
|
665 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
666 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
667 if (start > range[i].start || last < range[i].end) { |
960 | 668 goto overlapped; |
669 } | |
670 } | |
671 } | |
672 | |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
673 ctx->offset = ngx_buf_size(buf); |
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support ranges for single memory buffer
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diff
changeset
|
674 |
2118
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diff
changeset
|
675 return NGX_OK; |
c1f589732d8c
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2049
diff
changeset
|
676 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
677 overlapped: |
960 | 678 |
2118
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split ngx_http_range_filter_module
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2049
diff
changeset
|
679 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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split ngx_http_range_filter_module
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diff
changeset
|
680 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
681 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
682 return NGX_ERROR; |
c1f589732d8c
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diff
changeset
|
683 } |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
684 |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
685 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
686 static ngx_int_t |
c1f589732d8c
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2049
diff
changeset
|
687 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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diff
changeset
|
688 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
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diff
changeset
|
689 { |
2121
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
690 off_t start, last; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
691 ngx_buf_t *buf; |
2121
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
692 ngx_chain_t *out, *cl, **ll; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
693 ngx_http_range_t *range; |
960 | 694 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
695 out = NULL; |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
696 ll = &out; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
697 range = ctx->ranges.elts; |
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
698 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
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|
699 for (cl = in; cl; cl = cl->next) { |
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700 |
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701 buf = cl->buf; |
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702 |
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703 start = ctx->offset; |
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704 last = ctx->offset + ngx_buf_size(buf); |
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705 |
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706 ctx->offset = last; |
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|
707 |
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708 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
709 "http range body buf: %O-%O", start, last); |
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710 |
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711 if (ngx_buf_special(buf)) { |
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712 *ll = cl; |
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713 ll = &cl->next; |
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|
714 continue; |
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|
715 } |
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|
716 |
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diff
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|
717 if (range->end <= start || range->start >= last) { |
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parents:
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|
718 |
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
719 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
720 "http range body skip"); |
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parents:
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diff
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|
721 |
2269 | 722 if (buf->in_file) { |
723 buf->file_pos = buf->file_last; | |
724 } | |
725 | |
2121
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diff
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|
726 buf->pos = buf->last; |
2269 | 727 buf->sync = 1; |
728 | |
2121
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729 continue; |
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|
730 } |
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|
731 |
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|
732 if (range->start > start) { |
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|
733 |
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|
734 if (buf->in_file) { |
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735 buf->file_pos += range->start - start; |
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|
736 } |
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|
737 |
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|
738 if (ngx_buf_in_memory(buf)) { |
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parents:
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|
739 buf->pos += (size_t) (range->start - start); |
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|
740 } |
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|
741 } |
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|
742 |
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|
743 if (range->end <= last) { |
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744 |
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745 if (buf->in_file) { |
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746 buf->file_last -= last - range->end; |
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|
747 } |
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|
748 |
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changeset
|
749 if (ngx_buf_in_memory(buf)) { |
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750 buf->last -= (size_t) (last - range->end); |
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|
751 } |
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|
752 |
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|
753 buf->last_buf = 1; |
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|
754 *ll = cl; |
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|
755 cl->next = NULL; |
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parents:
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|
756 |
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diff
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|
757 break; |
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|
758 } |
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|
759 |
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|
760 *ll = cl; |
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changeset
|
761 ll = &cl->next; |
960 | 762 } |
763 | |
2121
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|
764 if (out == NULL) { |
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|
765 return NGX_OK; |
2118
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|
766 } |
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|
767 |
2121
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diff
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|
768 return ngx_http_next_body_filter(r, out); |
2118
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|
769 } |
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|
770 |
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|
771 |
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changeset
|
772 static ngx_int_t |
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|
773 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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|
774 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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|
775 { |
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changeset
|
776 ngx_buf_t *b, *buf; |
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|
777 ngx_uint_t i; |
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|
778 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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|
779 ngx_http_range_t *range; |
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changeset
|
780 |
960 | 781 ll = &out; |
2118
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|
782 buf = in->buf; |
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diff
changeset
|
783 range = ctx->ranges.elts; |
160
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|
784 |
963
78e70dae89f0
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diff
changeset
|
785 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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parents:
diff
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|
786 |
960 | 787 /* |
788 * The boundary header of the range: | |
789 * CRLF | |
790 * "--0123456789" CRLF | |
791 * "Content-Type: image/jpeg" CRLF | |
792 * "Content-Range: bytes " | |
793 */ | |
794 | |
795 b = ngx_calloc_buf(r->pool); | |
796 if (b == NULL) { | |
797 return NGX_ERROR; | |
99
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diff
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|
798 } |
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parents:
diff
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|
799 |
960 | 800 b->memory = 1; |
801 b->pos = ctx->boundary_header.data; | |
802 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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diff
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|
803 |
960 | 804 hcl = ngx_alloc_chain_link(r->pool); |
805 if (hcl == NULL) { | |
806 return NGX_ERROR; | |
807 } | |
461 | 808 |
960 | 809 hcl->buf = b; |
99
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|
810 |
461 | 811 |
960 | 812 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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|
813 |
501 | 814 b = ngx_calloc_buf(r->pool); |
815 if (b == NULL) { | |
461 | 816 return NGX_ERROR; |
817 } | |
818 | |
343
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335
diff
changeset
|
819 b->temporary = 1; |
960 | 820 b->pos = range[i].content_range.data; |
821 b->last = range[i].content_range.data + range[i].content_range.len; | |
822 | |
823 rcl = ngx_alloc_chain_link(r->pool); | |
824 if (rcl == NULL) { | |
825 return NGX_ERROR; | |
826 } | |
827 | |
828 rcl->buf = b; | |
829 | |
830 | |
831 /* the range data */ | |
461 | 832 |
960 | 833 b = ngx_calloc_buf(r->pool); |
834 if (b == NULL) { | |
835 return NGX_ERROR; | |
836 } | |
837 | |
962
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diff
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|
838 b->in_file = buf->in_file; |
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diff
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|
839 b->temporary = buf->temporary; |
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|
840 b->memory = buf->memory; |
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diff
changeset
|
841 b->mmap = buf->mmap; |
960 | 842 b->file = buf->file; |
843 | |
962
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diff
changeset
|
844 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
845 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
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diff
changeset
|
846 b->file_last = buf->file_pos + range[i].end; |
962
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diff
changeset
|
847 } |
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diff
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|
848 |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
849 if (ngx_buf_in_memory(buf)) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
850 b->pos = buf->pos + (size_t) range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
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parents:
4412
diff
changeset
|
851 b->last = buf->pos + (size_t) range[i].end; |
962
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changeset
|
852 } |
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diff
changeset
|
853 |
960 | 854 dcl = ngx_alloc_chain_link(r->pool); |
855 if (dcl == NULL) { | |
461 | 856 return NGX_ERROR; |
857 } | |
858 | |
960 | 859 dcl->buf = b; |
461 | 860 |
155
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changeset
|
861 *ll = hcl; |
960 | 862 hcl->next = rcl; |
863 rcl->next = dcl; | |
864 ll = &dcl->next; | |
865 } | |
99
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diff
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|
866 |
960 | 867 /* the last boundary CRLF "--0123456789--" CRLF */ |
868 | |
869 b = ngx_calloc_buf(r->pool); | |
870 if (b == NULL) { | |
871 return NGX_ERROR; | |
872 } | |
873 | |
874 b->temporary = 1; | |
875 b->last_buf = 1; | |
876 | |
2049 | 877 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
878 + sizeof("--" CRLF) - 1); | |
960 | 879 if (b->pos == NULL) { |
880 return NGX_ERROR; | |
99
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diff
changeset
|
881 } |
a059e1aa65d4
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parents:
diff
changeset
|
882 |
1195
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fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
883 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
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Igor Sysoev <igor@sysoev.ru>
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1107
diff
changeset
|
884 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 885 *b->last++ = '-'; *b->last++ = '-'; |
886 *b->last++ = CR; *b->last++ = LF; | |
887 | |
888 hcl = ngx_alloc_chain_link(r->pool); | |
889 if (hcl == NULL) { | |
890 return NGX_ERROR; | |
891 } | |
892 | |
893 hcl->buf = b; | |
894 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
895 |
960 | 896 *ll = hcl; |
897 | |
898 return ngx_http_next_body_filter(r, out); | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
899 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
900 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
901 |
493 | 902 static ngx_int_t |
681 | 903 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
904 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
905 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
906 ngx_http_top_header_filter = ngx_http_range_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
907 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
908 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
909 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
910 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
911 |
493 | 912 static ngx_int_t |
681 | 913 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
914 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
915 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
916 ngx_http_top_body_filter = ngx_http_range_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
917 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
918 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
919 } |