Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 9331:dbf76fdd109f default tip
release-1.27.4 tag
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 03 Sep 2024 13:11:25 +0300 |
parents | ae2d62bb12c0 |
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rev | line source |
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441
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1 |
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2 /* |
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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; |
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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); |
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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 |
334
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95 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 96 NGX_MODULE_V1, |
334
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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 */ |
334
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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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118 NULL, /* create server configuration */ |
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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
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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
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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
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parents:
314
diff
changeset
|
129 NULL, /* module directives */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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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
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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
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parents:
diff
changeset
|
148 { |
4745
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Entity tags: support in If-Range header.
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diff
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|
149 time_t if_range_time; |
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Entity tags: support in If-Range header.
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diff
changeset
|
150 ngx_str_t *if_range, *etag; |
5621
345e4fd4bb64
Range filter: single_range flag in request.
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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
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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
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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.
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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.
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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, |
6480 | 210 "http ir:%T lm:%T", |
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
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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.
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diff
changeset
|
219 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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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
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parents:
962
diff
changeset
|
221 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
222 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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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 | |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
227 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
|
228 |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
229 switch (ngx_http_range_parse(r, ctx, ranges)) { |
2118
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
230 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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parents:
3516
diff
changeset
|
231 case NGX_OK: |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
232 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
233 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
234 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
235 r->headers_out.status_line.len = 0; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
236 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
237 if (ctx->ranges.nelts == 1) { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
238 return ngx_http_range_singlepart_header(r, ctx); |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
239 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
240 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
241 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
|
242 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
243 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
|
244 return ngx_http_range_not_satisfiable(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
245 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
246 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
|
247 return NGX_ERROR; |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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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 default: /* NGX_DECLINED */ |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
250 break; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
251 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
252 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
253 next_filter: |
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254 |
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255 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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256 if (r->headers_out.accept_ranges == NULL) { |
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257 return NGX_ERROR; |
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258 } |
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259 |
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260 r->headers_out.accept_ranges->hash = 1; |
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261 r->headers_out.accept_ranges->next = NULL; |
3516
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262 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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263 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
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264 |
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265 return ngx_http_next_header_filter(r); |
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266 } |
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267 |
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268 |
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d32a2000b766
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269 static ngx_int_t |
4062 | 270 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, |
271 ngx_uint_t ranges) | |
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272 { |
6317 | 273 u_char *p; |
274 off_t start, end, size, content_length, cutoff, | |
275 cutlim; | |
276 ngx_uint_t suffix; | |
277 ngx_http_range_t *range; | |
278 ngx_http_range_filter_ctx_t *mctx; | |
279 | |
280 if (r != r->main) { | |
281 mctx = ngx_http_get_module_ctx(r->main, | |
282 ngx_http_range_body_filter_module); | |
283 if (mctx) { | |
284 ctx->ranges = mctx->ranges; | |
285 return NGX_OK; | |
286 } | |
287 } | |
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288 |
6798
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289 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
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290 != NGX_OK) |
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291 { |
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292 return NGX_ERROR; |
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293 } |
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294 |
99
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295 p = r->headers_in.range->value.data + 6; |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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296 size = 0; |
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297 content_length = r->headers_out.content_length_n; |
99
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298 |
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299 cutoff = NGX_MAX_OFF_T_VALUE / 10; |
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300 cutlim = NGX_MAX_OFF_T_VALUE % 10; |
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301 |
99
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302 for ( ;; ) { |
231
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303 start = 0; |
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304 end = 0; |
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305 suffix = 0; |
99
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306 |
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307 while (*p == ' ') { p++; } |
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308 |
231
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309 if (*p != '-') { |
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310 if (*p < '0' || *p > '9') { |
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311 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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312 } |
99
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313 |
231
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314 while (*p >= '0' && *p <= '9') { |
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315 if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { |
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316 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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317 } |
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318 |
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Parenthesized ASCII-related calculations.
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319 start = start * 10 + (*p++ - '0'); |
231
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320 } |
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321 |
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322 while (*p == ' ') { p++; } |
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323 |
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324 if (*p++ != '-') { |
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325 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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326 } |
99
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|
327 |
231
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328 while (*p == ' ') { p++; } |
99
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|
329 |
231
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330 if (*p == ',' || *p == '\0') { |
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|
331 end = content_length; |
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|
332 goto found; |
99
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|
333 } |
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|
334 |
231
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335 } else { |
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336 suffix = 1; |
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337 p++; |
99
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|
338 } |
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|
339 |
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340 if (*p < '0' || *p > '9') { |
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341 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
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342 } |
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|
343 |
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344 while (*p >= '0' && *p <= '9') { |
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345 if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { |
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346 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
347 } |
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|
348 |
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|
349 end = end * 10 + (*p++ - '0'); |
99
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|
350 } |
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|
351 |
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|
352 while (*p == ' ') { p++; } |
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|
353 |
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|
354 if (*p != ',' && *p != '\0') { |
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|
355 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
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|
356 } |
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|
357 |
231
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|
358 if (suffix) { |
7055
887c8c58ffeb
Range filter: avoid negative range start.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
359 start = (end < content_length) ? content_length - end : 0; |
4057
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Ranges processing small optimization.
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|
360 end = content_length - 1; |
231
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361 } |
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362 |
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|
363 if (end >= content_length) { |
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|
364 end = content_length; |
4055
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|
365 |
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|
366 } else { |
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|
367 end++; |
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|
368 } |
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|
369 |
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|
370 found: |
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changeset
|
371 |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
Igor Sysoev <igor@sysoev.ru>
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4059
diff
changeset
|
372 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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changeset
|
373 range = ngx_array_push(&ctx->ranges); |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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|
374 if (range == NULL) { |
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Style fix: removal of tabs introduced in the previous commit.
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|
375 return NGX_ERROR; |
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Style fix: removal of tabs introduced in the previous commit.
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|
376 } |
461 | 377 |
4061
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Style fix: removal of tabs introduced in the previous commit.
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changeset
|
378 range->start = start; |
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changeset
|
379 range->end = end; |
99
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380 |
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381 if (size > NGX_MAX_OFF_T_VALUE - (end - start)) { |
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382 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
383 } |
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|
384 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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parents:
4060
diff
changeset
|
385 size += end - start; |
4062 | 386 |
4063
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
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diff
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|
387 if (ranges-- == 0) { |
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Now if client requests more ranges than "max_ranges" permits,
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|
388 return NGX_DECLINED; |
4062 | 389 } |
7043
aeaac3ccee4f
Range filter: allowed ranges on empty files (ticket #1031).
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|
390 |
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Range filter: allowed ranges on empty files (ticket #1031).
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|
391 } else if (start == 0) { |
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392 return NGX_DECLINED; |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
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|
393 } |
4056
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394 |
231
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diff
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|
395 if (*p++ != ',') { |
4035
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Now if total size of all ranges is greater than source response size,
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|
396 break; |
231
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|
397 } |
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|
398 } |
4035
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Now if total size of all ranges is greater than source response size,
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|
399 |
4056
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Now unsatisfiable ranges are processed according to RFC 2616.
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|
400 if (ctx->ranges.nelts == 0) { |
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|
401 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
402 } |
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diff
changeset
|
403 |
4057
3205a6d6c6ec
Ranges processing small optimization.
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parents:
4056
diff
changeset
|
404 if (size > content_length) { |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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|
405 return NGX_DECLINED; |
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Now if total size of all ranges is greater than source response size,
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|
406 } |
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|
407 |
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Now if total size of all ranges is greater than source response size,
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|
408 return NGX_OK; |
2118
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409 } |
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410 |
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411 |
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|
412 static ngx_int_t |
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413 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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414 ngx_http_range_filter_ctx_t *ctx) |
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415 { |
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416 ngx_table_elt_t *content_range; |
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417 ngx_http_range_t *range; |
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418 |
6317 | 419 if (r != r->main) { |
420 return ngx_http_next_header_filter(r); | |
421 } | |
422 | |
2118
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423 content_range = ngx_list_push(&r->headers_out.headers); |
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424 if (content_range == NULL) { |
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425 return NGX_ERROR; |
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426 } |
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427 |
8057
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Range filter: clearing of pre-existing Content-Range headers.
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|
428 if (r->headers_out.content_range) { |
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|
429 r->headers_out.content_range->hash = 0; |
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|
430 } |
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|
431 |
2118
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432 r->headers_out.content_range = content_range; |
461 | 433 |
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434 content_range->hash = 1; |
8031
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All known output headers can be linked lists now.
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diff
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|
435 content_range->next = NULL; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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diff
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|
436 ngx_str_set(&content_range->key, "Content-Range"); |
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|
437 |
2118
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438 content_range->value.data = ngx_pnalloc(r->pool, |
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439 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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440 if (content_range->value.data == NULL) { |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
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parents:
6798
diff
changeset
|
441 content_range->hash = 0; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
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changeset
|
442 r->headers_out.content_range = NULL; |
2118
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443 return NGX_ERROR; |
461 | 444 } |
445 | |
2118
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446 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 447 |
2118
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448 range = ctx->ranges.elts; |
461 | 449 |
2118
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450 content_range->value.len = ngx_sprintf(content_range->value.data, |
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|
451 "bytes %O-%O/%O", |
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|
452 range->start, range->end - 1, |
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|
453 r->headers_out.content_length_n) |
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|
454 - content_range->value.data; |
461 | 455 |
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|
456 r->headers_out.content_length_n = range->end - range->start; |
6317 | 457 r->headers_out.content_offset = range->start; |
461 | 458 |
2118
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459 if (r->headers_out.content_length) { |
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|
460 r->headers_out.content_length->hash = 0; |
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|
461 r->headers_out.content_length = NULL; |
461 | 462 } |
463 | |
2118
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|
464 return ngx_http_next_header_filter(r); |
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|
465 } |
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changeset
|
466 |
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diff
changeset
|
467 |
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|
468 static ngx_int_t |
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changeset
|
469 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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|
470 ngx_http_range_filter_ctx_t *ctx) |
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|
471 { |
7090
a2f5e25d6a28
Range filter: changed type for total length to off_t.
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diff
changeset
|
472 off_t len; |
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|
473 size_t size; |
2118
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|
474 ngx_uint_t i; |
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|
475 ngx_http_range_t *range; |
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changeset
|
476 ngx_atomic_uint_t boundary; |
461 | 477 |
7090
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diff
changeset
|
478 size = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
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|
479 + sizeof(CRLF "Content-Type: ") - 1 |
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|
480 + r->headers_out.content_type.len |
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|
481 + sizeof(CRLF "Content-Range: bytes ") - 1; |
461 | 482 |
5558
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
483 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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Range filter: fixed duplicate charset.
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|
484 && r->headers_out.charset.len) |
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changeset
|
485 { |
7090
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diff
changeset
|
486 size += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
461 | 487 } |
488 | |
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changeset
|
489 ctx->boundary_header.data = ngx_pnalloc(r->pool, size); |
501 | 490 if (ctx->boundary_header.data == NULL) { |
461 | 491 return NGX_ERROR; |
492 } | |
493 | |
493 | 494 boundary = ngx_next_temp_number(0); |
461 | 495 |
496 /* | |
497 * The boundary header of the range: | |
498 * CRLF | |
499 * "--0123456789" CRLF | |
500 * "Content-Type: image/jpeg" CRLF | |
501 * "Content-Range: bytes " | |
502 */ | |
503 | |
5558
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diff
changeset
|
504 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
eeb3c2719147
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diff
changeset
|
505 && r->headers_out.charset.len) |
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diff
changeset
|
506 { |
461 | 507 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 508 CRLF "--%0muA" CRLF |
461 | 509 "Content-Type: %V; charset=%V" CRLF |
510 "Content-Range: bytes ", | |
511 boundary, | |
509 | 512 &r->headers_out.content_type, |
461 | 513 &r->headers_out.charset) |
514 - ctx->boundary_header.data; | |
515 | |
2119
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|
516 } else if (r->headers_out.content_type.len) { |
461 | 517 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 518 CRLF "--%0muA" CRLF |
461 | 519 "Content-Type: %V" CRLF |
520 "Content-Range: bytes ", | |
521 boundary, | |
509 | 522 &r->headers_out.content_type) |
461 | 523 - ctx->boundary_header.data; |
2119
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diff
changeset
|
524 |
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|
525 } else { |
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diff
changeset
|
526 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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|
527 CRLF "--%0muA" CRLF |
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|
528 "Content-Range: bytes ", |
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changeset
|
529 boundary) |
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|
530 - ctx->boundary_header.data; |
461 | 531 } |
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|
532 |
509 | 533 r->headers_out.content_type.data = |
2049 | 534 ngx_pnalloc(r->pool, |
535 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
536 + NGX_ATOMIC_T_LEN); | |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
537 |
509 | 538 if (r->headers_out.content_type.data == NULL) { |
461 | 539 return NGX_ERROR; |
540 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 |
2882
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
542 r->headers_out.content_type_lowcase = NULL; |
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
543 |
461 | 544 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
545 |
509 | 546 r->headers_out.content_type.len = |
547 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 548 "multipart/byteranges; boundary=%0muA", |
461 | 549 boundary) |
509 | 550 - r->headers_out.content_type.data; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
551 |
2882
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
552 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 553 |
5558
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
554 r->headers_out.charset.len = 0; |
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
555 |
461 | 556 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 557 |
558 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
559 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
560 range = ctx->ranges.elts; |
78e70dae89f0
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parents:
962
diff
changeset
|
561 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 562 |
461 | 563 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 564 |
461 | 565 range[i].content_range.data = |
2049 | 566 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
567 |
461 | 568 if (range[i].content_range.data == NULL) { |
569 return NGX_ERROR; | |
570 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
571 |
461 | 572 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
573 "%O-%O/%O" CRLF CRLF, | |
574 range[i].start, range[i].end - 1, | |
575 r->headers_out.content_length_n) | |
576 - range[i].content_range.data; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
577 |
461 | 578 len += ctx->boundary_header.len + range[i].content_range.len |
7090
a2f5e25d6a28
Range filter: changed type for total length to off_t.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7067
diff
changeset
|
579 + (range[i].end - range[i].start); |
461 | 580 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
581 |
461 | 582 r->headers_out.content_length_n = len; |
960 | 583 |
584 if (r->headers_out.content_length) { | |
585 r->headers_out.content_length->hash = 0; | |
586 r->headers_out.content_length = NULL; | |
587 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
588 |
8057
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
589 if (r->headers_out.content_range) { |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
590 r->headers_out.content_range->hash = 0; |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
591 r->headers_out.content_range = NULL; |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
592 } |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
593 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
594 return ngx_http_next_header_filter(r); |
2118
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
595 } |
1630 | 596 |
597 | |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
598 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
599 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
600 { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
601 ngx_table_elt_t *content_range; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
602 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
603 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
604 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
605 content_range = ngx_list_push(&r->headers_out.headers); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
606 if (content_range == NULL) { |
1630 | 607 return NGX_ERROR; |
608 } | |
609 | |
8057
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
610 if (r->headers_out.content_range) { |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
611 r->headers_out.content_range->hash = 0; |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
612 } |
ae2d62bb12c0
Range filter: clearing of pre-existing Content-Range headers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8031
diff
changeset
|
613 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
614 r->headers_out.content_range = content_range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
615 |
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
616 content_range->hash = 1; |
8031
d26db4f82d7d
All known output headers can be linked lists now.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7508
diff
changeset
|
617 content_range->next = NULL; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
618 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 619 |
2118
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
620 content_range->value.data = ngx_pnalloc(r->pool, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
621 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
622 if (content_range->value.data == NULL) { |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6798
diff
changeset
|
623 content_range->hash = 0; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6798
diff
changeset
|
624 r->headers_out.content_range = NULL; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
625 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
626 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
627 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
628 content_range->value.len = ngx_sprintf(content_range->value.data, |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
629 "bytes */%O", |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
630 r->headers_out.content_length_n) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
631 - content_range->value.data; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
632 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
633 ngx_http_clear_content_length(r); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
634 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
635 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
|
636 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
637 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
638 |
493 | 639 static ngx_int_t |
640 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
|
641 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
642 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
|
643 |
963
78e70dae89f0
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parents:
962
diff
changeset
|
644 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
645 return ngx_http_next_body_filter(r, in); |
78e70dae89f0
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parents:
962
diff
changeset
|
646 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
647 |
78e70dae89f0
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parents:
962
diff
changeset
|
648 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
78e70dae89f0
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parents:
962
diff
changeset
|
649 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
650 if (ctx == NULL) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
651 return ngx_http_next_body_filter(r, in); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
652 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
653 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
654 if (ctx->ranges.nelts == 1) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
655 return ngx_http_range_singlepart_body(r, ctx, in); |
b39c0040b3e4
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Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
656 } |
b39c0040b3e4
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Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
657 |
b39c0040b3e4
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Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
658 /* |
b39c0040b3e4
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parents:
2119
diff
changeset
|
659 * multipart ranges are supported only if whole body is in a single buffer |
b39c0040b3e4
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parents:
2119
diff
changeset
|
660 */ |
b39c0040b3e4
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parents:
2119
diff
changeset
|
661 |
962
69754fb59ba1
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961
diff
changeset
|
662 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
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parents:
961
diff
changeset
|
663 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
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parents:
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diff
changeset
|
664 } |
69754fb59ba1
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
665 |
2118
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diff
changeset
|
666 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
667 return NGX_ERROR; |
c1f589732d8c
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diff
changeset
|
668 } |
c1f589732d8c
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diff
changeset
|
669 |
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diff
changeset
|
670 return ngx_http_range_multipart_body(r, ctx, in); |
c1f589732d8c
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diff
changeset
|
671 } |
c1f589732d8c
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
672 |
c1f589732d8c
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
673 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
674 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
675 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
676 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
677 { |
c1f589732d8c
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diff
changeset
|
678 off_t start, last; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
679 ngx_buf_t *buf; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
680 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
681 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
682 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
683 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
684 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
685 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
686 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
687 buf = in->buf; |
960 | 688 |
689 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
690 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
691 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
692 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
693 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
694 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
695 if (start > range[i].start || last < range[i].end) { |
6474 | 696 goto overlapped; |
960 | 697 } |
698 } | |
699 } | |
700 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
701 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
702 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
703 return NGX_OK; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
704 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
705 overlapped: |
960 | 706 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
707 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
708 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
709 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
710 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
711 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
712 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
713 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
714 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
715 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
716 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
717 { |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
718 off_t start, last; |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
719 ngx_int_t rc; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
720 ngx_buf_t *buf; |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
721 ngx_chain_t *out, *cl, *tl, **ll; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
722 ngx_http_range_t *range; |
960 | 723 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
724 out = NULL; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
725 ll = &out; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
726 range = ctx->ranges.elts; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
727 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
728 for (cl = in; cl; cl = cl->next) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
729 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
730 buf = cl->buf; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
731 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
732 start = ctx->offset; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
733 last = ctx->offset + ngx_buf_size(buf); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
734 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
735 ctx->offset = last; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
736 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
737 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
738 "http range body buf: %O-%O", start, last); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
739 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
740 if (ngx_buf_special(buf)) { |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
741 |
7508
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
742 if (range->end <= start) { |
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
743 continue; |
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
744 } |
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
745 |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
746 tl = ngx_alloc_chain_link(r->pool); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
747 if (tl == NULL) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
748 return NGX_ERROR; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
749 } |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
750 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
751 tl->buf = buf; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
752 tl->next = NULL; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
753 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
754 *ll = tl; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
755 ll = &tl->next; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
756 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
757 continue; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
758 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
759 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
760 if (range->end <= start || range->start >= last) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
761 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
762 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
763 "http range body skip"); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
764 |
2269 | 765 if (buf->in_file) { |
766 buf->file_pos = buf->file_last; | |
767 } | |
768 | |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
769 buf->pos = buf->last; |
2269 | 770 buf->sync = 1; |
771 | |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
772 continue; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
773 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
774 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
775 if (range->start > start) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
776 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
777 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
778 buf->file_pos += range->start - start; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
779 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
780 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
781 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
782 buf->pos += (size_t) (range->start - start); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
783 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
784 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
785 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
786 if (range->end <= last) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
787 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
788 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
789 buf->file_last -= last - range->end; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
790 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
791 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
792 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
793 buf->last -= (size_t) (last - range->end); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
794 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
795 |
6722
6136a51f9c21
Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
6480
diff
changeset
|
796 buf->last_buf = (r == r->main) ? 1 : 0; |
6136a51f9c21
Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
6480
diff
changeset
|
797 buf->last_in_chain = 1; |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
798 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
799 tl = ngx_alloc_chain_link(r->pool); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
800 if (tl == NULL) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
801 return NGX_ERROR; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
802 } |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
803 |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
804 tl->buf = buf; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
805 tl->next = NULL; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
806 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
807 *ll = tl; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
808 ll = &tl->next; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
809 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
810 continue; |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
811 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
812 |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
813 tl = ngx_alloc_chain_link(r->pool); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
814 if (tl == NULL) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
815 return NGX_ERROR; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
816 } |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
817 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
818 tl->buf = buf; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
819 tl->next = NULL; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
820 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
821 *ll = tl; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
822 ll = &tl->next; |
960 | 823 } |
824 | |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
825 rc = ngx_http_next_body_filter(r, out); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
826 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
827 while (out) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
828 cl = out; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
829 out = out->next; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
830 ngx_free_chain(r->pool, cl); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
831 } |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
832 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
833 return rc; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
834 } |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
835 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
836 |
c1f589732d8c
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parents:
2049
diff
changeset
|
837 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
838 ngx_http_range_multipart_body(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
839 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
840 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
841 ngx_buf_t *b, *buf; |
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split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
842 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
843 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
844 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
845 |
960 | 846 ll = &out; |
2118
c1f589732d8c
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Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
847 buf = in->buf; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
848 range = ctx->ranges.elts; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
155
diff
changeset
|
849 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
850 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
851 |
960 | 852 /* |
853 * The boundary header of the range: | |
854 * CRLF | |
855 * "--0123456789" CRLF | |
856 * "Content-Type: image/jpeg" CRLF | |
857 * "Content-Range: bytes " | |
858 */ | |
859 | |
860 b = ngx_calloc_buf(r->pool); | |
861 if (b == NULL) { | |
862 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
863 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
864 |
960 | 865 b->memory = 1; |
866 b->pos = ctx->boundary_header.data; | |
867 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
868 |
960 | 869 hcl = ngx_alloc_chain_link(r->pool); |
870 if (hcl == NULL) { | |
871 return NGX_ERROR; | |
872 } | |
461 | 873 |
960 | 874 hcl->buf = b; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
875 |
461 | 876 |
960 | 877 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
878 |
501 | 879 b = ngx_calloc_buf(r->pool); |
880 if (b == NULL) { | |
461 | 881 return NGX_ERROR; |
882 } | |
883 | |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
884 b->temporary = 1; |
960 | 885 b->pos = range[i].content_range.data; |
886 b->last = range[i].content_range.data + range[i].content_range.len; | |
887 | |
888 rcl = ngx_alloc_chain_link(r->pool); | |
889 if (rcl == NULL) { | |
890 return NGX_ERROR; | |
891 } | |
892 | |
893 rcl->buf = b; | |
894 | |
895 | |
896 /* the range data */ | |
461 | 897 |
960 | 898 b = ngx_calloc_buf(r->pool); |
899 if (b == NULL) { | |
900 return NGX_ERROR; | |
901 } | |
902 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
903 b->in_file = buf->in_file; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
904 b->temporary = buf->temporary; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
905 b->memory = buf->memory; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
906 b->mmap = buf->mmap; |
960 | 907 b->file = buf->file; |
908 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
909 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
910 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
911 b->file_last = buf->file_pos + range[i].end; |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
912 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
913 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
914 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
|
915 b->pos = buf->pos + (size_t) range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
916 b->last = buf->pos + (size_t) range[i].end; |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
917 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
918 |
960 | 919 dcl = ngx_alloc_chain_link(r->pool); |
920 if (dcl == NULL) { | |
461 | 921 return NGX_ERROR; |
922 } | |
923 | |
960 | 924 dcl->buf = b; |
461 | 925 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
926 *ll = hcl; |
960 | 927 hcl->next = rcl; |
928 rcl->next = dcl; | |
929 ll = &dcl->next; | |
930 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
931 |
960 | 932 /* the last boundary CRLF "--0123456789--" CRLF */ |
933 | |
934 b = ngx_calloc_buf(r->pool); | |
935 if (b == NULL) { | |
936 return NGX_ERROR; | |
937 } | |
938 | |
939 b->temporary = 1; | |
940 b->last_buf = 1; | |
941 | |
2049 | 942 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
943 + sizeof("--" CRLF) - 1); | |
960 | 944 if (b->pos == NULL) { |
945 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
946 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
947 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
948 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
949 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 950 *b->last++ = '-'; *b->last++ = '-'; |
951 *b->last++ = CR; *b->last++ = LF; | |
952 | |
953 hcl = ngx_alloc_chain_link(r->pool); | |
954 if (hcl == NULL) { | |
955 return NGX_ERROR; | |
956 } | |
957 | |
958 hcl->buf = b; | |
959 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
960 |
960 | 961 *ll = hcl; |
962 | |
963 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
|
964 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
965 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
966 |
493 | 967 static ngx_int_t |
681 | 968 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
|
969 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
970 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
|
971 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
|
972 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
973 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
974 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
975 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
976 |
493 | 977 static ngx_int_t |
681 | 978 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
|
979 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
980 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
|
981 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
|
982 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
983 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
984 } |