Mercurial > hg > nginx
annotate src/http/modules/ngx_http_charset_filter_module.c @ 9331:dbf76fdd109f default tip
release-1.27.4 tag
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 03 Sep 2024 13:11:25 +0300 |
| parents | 48f30a3add51 |
| children |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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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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13 #define NGX_HTTP_CHARSET_OFF -2 |
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14 #define NGX_HTTP_NO_CHARSET -3 |
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15 #define NGX_HTTP_CHARSET_VAR 0x10000 |
| 657 | 16 |
| 17 /* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */ | |
| 18 #define NGX_UTF_LEN 4 | |
| 19 | |
| 20 #define NGX_HTML_ENTITY_LEN (sizeof("") - 1) | |
| 529 | 21 |
| 22 | |
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23 typedef struct { |
| 657 | 24 u_char **tables; |
| 25 ngx_str_t name; | |
| 523 | 26 |
| 657 | 27 unsigned length:16; |
| 28 unsigned utf8:1; | |
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29 } ngx_http_charset_t; |
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31 |
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32 typedef struct { |
| 657 | 33 ngx_int_t src; |
| 34 ngx_int_t dst; | |
| 529 | 35 } ngx_http_charset_recode_t; |
| 36 | |
| 37 | |
| 38 typedef struct { | |
| 657 | 39 ngx_int_t src; |
| 40 ngx_int_t dst; | |
| 41 u_char *src2dst; | |
| 42 u_char *dst2src; | |
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43 } ngx_http_charset_tables_t; |
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46 typedef struct { |
| 657 | 47 ngx_array_t charsets; /* ngx_http_charset_t */ |
| 48 ngx_array_t tables; /* ngx_http_charset_tables_t */ | |
| 49 ngx_array_t recodes; /* ngx_http_charset_recode_t */ | |
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50 } ngx_http_charset_main_conf_t; |
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51 |
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53 typedef struct { |
| 657 | 54 ngx_int_t charset; |
| 55 ngx_int_t source_charset; | |
| 56 ngx_flag_t override_charset; | |
| 2167 | 57 |
| 58 ngx_hash_t types; | |
| 59 ngx_array_t *types_keys; | |
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60 } ngx_http_charset_loc_conf_t; |
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61 |
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63 typedef struct { |
| 657 | 64 u_char *table; |
| 65 ngx_int_t charset; | |
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66 ngx_str_t charset_name; |
| 657 | 67 |
| 68 ngx_chain_t *busy; | |
| 69 ngx_chain_t *free_bufs; | |
| 70 ngx_chain_t *free_buffers; | |
| 71 | |
| 72 size_t saved_len; | |
| 73 u_char saved[NGX_UTF_LEN]; | |
| 74 | |
| 75 unsigned length:16; | |
| 76 unsigned from_utf8:1; | |
| 77 unsigned to_utf8:1; | |
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78 } ngx_http_charset_ctx_t; |
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79 |
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80 |
| 657 | 81 typedef struct { |
| 82 ngx_http_charset_tables_t *table; | |
| 83 ngx_http_charset_t *charset; | |
| 84 ngx_uint_t characters; | |
| 85 } ngx_http_charset_conf_ctx_t; | |
| 86 | |
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87 |
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88 static ngx_int_t ngx_http_destination_charset(ngx_http_request_t *r, |
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89 ngx_str_t *name); |
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90 static ngx_int_t ngx_http_main_request_charset(ngx_http_request_t *r, |
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91 ngx_str_t *name); |
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92 static ngx_int_t ngx_http_source_charset(ngx_http_request_t *r, |
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93 ngx_str_t *name); |
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94 static ngx_int_t ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name); |
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95 static ngx_inline void ngx_http_set_charset(ngx_http_request_t *r, |
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96 ngx_str_t *charset); |
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97 static ngx_int_t ngx_http_charset_ctx(ngx_http_request_t *r, |
| 657 | 98 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset); |
| 99 static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table); | |
| 100 static ngx_chain_t *ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, | |
| 101 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
| 102 static ngx_chain_t *ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, | |
| 103 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
| 104 | |
| 105 static ngx_chain_t *ngx_http_charset_get_buf(ngx_pool_t *pool, | |
| 106 ngx_http_charset_ctx_t *ctx); | |
| 107 static ngx_chain_t *ngx_http_charset_get_buffer(ngx_pool_t *pool, | |
| 108 ngx_http_charset_ctx_t *ctx, size_t size); | |
| 109 | |
| 110 static char *ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 501 | 111 void *conf); |
| 657 | 112 static char *ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, |
| 113 void *conf); | |
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115 static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
| 501 | 116 void *conf); |
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117 static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name); |
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118 |
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119 static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf); |
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120 static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf); |
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121 static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, |
| 501 | 122 void *parent, void *child); |
| 529 | 123 static ngx_int_t ngx_http_charset_postconfiguration(ngx_conf_t *cf); |
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124 |
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125 |
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126 static ngx_str_t ngx_http_charset_default_types[] = { |
| 2167 | 127 ngx_string("text/html"), |
| 128 ngx_string("text/xml"), | |
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129 ngx_string("text/javascript"), |
| 2167 | 130 ngx_string("text/plain"), |
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131 ngx_string("text/markdown"), |
| 2167 | 132 ngx_string("text/vnd.wap.wml"), |
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133 ngx_string("application/javascript"), |
| 2167 | 134 ngx_string("application/rss+xml"), |
| 135 ngx_null_string | |
| 136 }; | |
| 137 | |
| 138 | |
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139 static ngx_command_t ngx_http_charset_filter_commands[] = { |
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140 |
| 529 | 141 { ngx_string("charset"), |
| 559 | 142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 143 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 144 ngx_http_set_charset_slot, |
| 145 NGX_HTTP_LOC_CONF_OFFSET, | |
| 146 offsetof(ngx_http_charset_loc_conf_t, charset), | |
| 147 NULL }, | |
| 148 | |
| 149 { ngx_string("source_charset"), | |
| 559 | 150 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 151 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 152 ngx_http_set_charset_slot, |
| 153 NGX_HTTP_LOC_CONF_OFFSET, | |
| 154 offsetof(ngx_http_charset_loc_conf_t, source_charset), | |
| 155 NULL }, | |
| 156 | |
| 635 | 157 { ngx_string("override_charset"), |
| 158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF | |
| 159 |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, | |
| 160 ngx_conf_set_flag_slot, | |
| 161 NGX_HTTP_LOC_CONF_OFFSET, | |
| 162 offsetof(ngx_http_charset_loc_conf_t, override_charset), | |
| 163 NULL }, | |
| 164 | |
| 2167 | 165 { ngx_string("charset_types"), |
| 166 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 167 ngx_http_types_slot, | |
| 168 NGX_HTTP_LOC_CONF_OFFSET, | |
| 169 offsetof(ngx_http_charset_loc_conf_t, types_keys), | |
| 170 &ngx_http_charset_default_types[0] }, | |
| 171 | |
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172 { ngx_string("charset_map"), |
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173 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, |
| 657 | 174 ngx_http_charset_map_block, |
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175 NGX_HTTP_MAIN_CONF_OFFSET, |
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176 0, |
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177 NULL }, |
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178 |
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179 ngx_null_command |
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180 }; |
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181 |
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182 |
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183 static ngx_http_module_t ngx_http_charset_filter_module_ctx = { |
| 509 | 184 NULL, /* preconfiguration */ |
| 529 | 185 ngx_http_charset_postconfiguration, /* postconfiguration */ |
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187 ngx_http_charset_create_main_conf, /* create main configuration */ |
| 529 | 188 NULL, /* init main configuration */ |
|
99
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189 |
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190 NULL, /* create server configuration */ |
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191 NULL, /* merge server configuration */ |
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192 |
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193 ngx_http_charset_create_loc_conf, /* create location configuration */ |
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194 ngx_http_charset_merge_loc_conf /* merge location configuration */ |
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195 }; |
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196 |
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197 |
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198 ngx_module_t ngx_http_charset_filter_module = { |
| 509 | 199 NGX_MODULE_V1, |
|
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200 &ngx_http_charset_filter_module_ctx, /* module context */ |
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201 ngx_http_charset_filter_commands, /* module directives */ |
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202 NGX_HTTP_MODULE, /* module type */ |
| 541 | 203 NULL, /* init master */ |
| 681 | 204 NULL, /* init module */ |
| 541 | 205 NULL, /* init process */ |
| 206 NULL, /* init thread */ | |
| 207 NULL, /* exit thread */ | |
| 208 NULL, /* exit process */ | |
| 209 NULL, /* exit master */ | |
| 210 NGX_MODULE_V1_PADDING | |
|
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211 }; |
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212 |
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213 |
|
155
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214 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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215 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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99
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216 |
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217 |
| 501 | 218 static ngx_int_t |
| 219 ngx_http_charset_header_filter(ngx_http_request_t *r) | |
|
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220 { |
| 635 | 221 ngx_int_t charset, source_charset; |
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222 ngx_str_t dst, src; |
|
339
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223 ngx_http_charset_t *charsets; |
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224 ngx_http_charset_main_conf_t *mcf; |
|
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225 |
| 653 | 226 if (r == r->main) { |
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227 charset = ngx_http_destination_charset(r, &dst); |
| 653 | 228 |
| 229 } else { | |
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230 charset = ngx_http_main_request_charset(r, &dst); |
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231 } |
| 657 | 232 |
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233 if (charset == NGX_ERROR) { |
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234 return NGX_ERROR; |
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235 } |
| 653 | 236 |
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237 if (charset == NGX_DECLINED) { |
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238 return ngx_http_next_header_filter(r); |
|
389
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239 } |
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240 |
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241 /* charset: charset index or NGX_HTTP_NO_CHARSET */ |
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242 |
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243 source_charset = ngx_http_source_charset(r, &src); |
|
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244 |
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245 if (source_charset == NGX_ERROR) { |
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246 return NGX_ERROR; |
| 657 | 247 } |
| 635 | 248 |
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249 /* |
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250 * source_charset: charset index, NGX_HTTP_NO_CHARSET, |
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251 * or NGX_HTTP_CHARSET_OFF |
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252 */ |
| 635 | 253 |
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254 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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255 "charset: \"%V\" > \"%V\"", &src, &dst); |
| 663 | 256 |
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257 if (source_charset == NGX_HTTP_CHARSET_OFF) { |
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258 ngx_http_set_charset(r, &dst); |
| 635 | 259 |
| 657 | 260 return ngx_http_next_header_filter(r); |
| 261 } | |
| 635 | 262 |
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263 if (charset == NGX_HTTP_NO_CHARSET |
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264 || source_charset == NGX_HTTP_NO_CHARSET) |
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265 { |
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266 if (source_charset != charset |
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267 || ngx_strncasecmp(dst.data, src.data, dst.len) != 0) |
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268 { |
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269 goto no_charset_map; |
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270 } |
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271 |
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272 ngx_http_set_charset(r, &dst); |
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273 |
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274 return ngx_http_next_header_filter(r); |
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275 } |
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276 |
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277 if (source_charset == charset) { |
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278 r->headers_out.content_type.len = r->headers_out.content_type_len; |
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279 |
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280 ngx_http_set_charset(r, &dst); |
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281 |
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282 return ngx_http_next_header_filter(r); |
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283 } |
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284 |
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285 /* source_charset != charset */ |
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286 |
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287 if (r->headers_out.content_encoding |
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288 && r->headers_out.content_encoding->value.len) |
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289 { |
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290 return ngx_http_next_header_filter(r); |
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291 } |
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292 |
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293 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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294 charsets = mcf->charsets.elts; |
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295 |
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296 if (charsets[source_charset].tables == NULL |
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297 || charsets[source_charset].tables[charset] == NULL) |
| 657 | 298 { |
| 663 | 299 goto no_charset_map; |
|
133
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300 } |
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301 |
| 657 | 302 r->headers_out.content_type.len = r->headers_out.content_type_len; |
| 303 | |
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304 ngx_http_set_charset(r, &dst); |
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305 |
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306 return ngx_http_charset_ctx(r, charsets, charset, source_charset); |
| 663 | 307 |
| 308 no_charset_map: | |
| 309 | |
| 310 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1587 | 311 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
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312 &src, &dst); |
| 663 | 313 |
| 314 return ngx_http_next_header_filter(r); | |
| 657 | 315 } |
| 316 | |
| 317 | |
| 318 static ngx_int_t | |
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319 ngx_http_destination_charset(ngx_http_request_t *r, ngx_str_t *name) |
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320 { |
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321 ngx_int_t charset; |
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322 ngx_http_charset_t *charsets; |
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323 ngx_http_variable_value_t *vv; |
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324 ngx_http_charset_loc_conf_t *mlcf; |
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325 ngx_http_charset_main_conf_t *mcf; |
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326 |
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327 if (r->headers_out.content_type.len == 0) { |
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328 return NGX_DECLINED; |
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329 } |
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330 |
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331 if (r->headers_out.override_charset |
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332 && r->headers_out.override_charset->len) |
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333 { |
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334 *name = *r->headers_out.override_charset; |
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335 |
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336 charset = ngx_http_get_charset(r, name); |
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337 |
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338 if (charset != NGX_HTTP_NO_CHARSET) { |
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339 return charset; |
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340 } |
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341 |
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342 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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343 "unknown charset \"%V\" to override", name); |
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344 |
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345 return NGX_DECLINED; |
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346 } |
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347 |
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348 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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349 charset = mlcf->charset; |
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350 |
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351 if (charset == NGX_HTTP_CHARSET_OFF) { |
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352 return NGX_DECLINED; |
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353 } |
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354 |
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355 if (r->headers_out.charset.len) { |
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356 if (mlcf->override_charset == 0) { |
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357 return NGX_DECLINED; |
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358 } |
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359 |
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360 } else { |
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361 if (ngx_http_test_content_type(r, &mlcf->types) == NULL) { |
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362 return NGX_DECLINED; |
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363 } |
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364 } |
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365 |
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366 if (charset < NGX_HTTP_CHARSET_VAR) { |
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367 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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368 charsets = mcf->charsets.elts; |
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369 *name = charsets[charset].name; |
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370 return charset; |
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371 } |
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372 |
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373 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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374 |
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375 if (vv == NULL || vv->not_found) { |
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376 return NGX_ERROR; |
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377 } |
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378 |
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379 name->len = vv->len; |
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380 name->data = vv->data; |
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381 |
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382 return ngx_http_get_charset(r, name); |
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383 } |
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384 |
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385 |
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386 static ngx_int_t |
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387 ngx_http_main_request_charset(ngx_http_request_t *r, ngx_str_t *src) |
| 657 | 388 { |
|
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389 ngx_int_t charset; |
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390 ngx_str_t *main_charset; |
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391 ngx_http_charset_ctx_t *ctx; |
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392 |
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393 ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); |
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394 |
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395 if (ctx) { |
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396 *src = ctx->charset_name; |
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397 return ctx->charset; |
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398 } |
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399 |
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400 main_charset = &r->main->headers_out.charset; |
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401 |
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402 if (main_charset->len == 0) { |
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403 return NGX_DECLINED; |
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404 } |
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405 |
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406 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
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407 if (ctx == NULL) { |
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408 return NGX_ERROR; |
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409 } |
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410 |
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411 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); |
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412 |
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413 charset = ngx_http_get_charset(r, main_charset); |
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414 |
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415 ctx->charset = charset; |
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416 ctx->charset_name = *main_charset; |
| 2890 | 417 *src = *main_charset; |
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418 |
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419 return charset; |
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420 } |
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421 |
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422 |
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423 static ngx_int_t |
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424 ngx_http_source_charset(ngx_http_request_t *r, ngx_str_t *name) |
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425 { |
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426 ngx_int_t charset; |
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427 ngx_http_charset_t *charsets; |
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428 ngx_http_variable_value_t *vv; |
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429 ngx_http_charset_loc_conf_t *lcf; |
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430 ngx_http_charset_main_conf_t *mcf; |
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431 |
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432 if (r->headers_out.charset.len) { |
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433 *name = r->headers_out.charset; |
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434 return ngx_http_get_charset(r, name); |
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435 } |
|
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changeset
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436 |
|
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437 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
|
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438 |
|
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439 charset = lcf->source_charset; |
|
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440 |
|
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441 if (charset == NGX_HTTP_CHARSET_OFF) { |
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442 name->len = 0; |
|
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443 name->data = NULL; |
|
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444 return charset; |
|
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445 } |
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446 |
|
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447 if (charset < NGX_HTTP_CHARSET_VAR) { |
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448 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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449 charsets = mcf->charsets.elts; |
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450 *name = charsets[charset].name; |
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451 return charset; |
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452 } |
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453 |
|
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454 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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changeset
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455 |
|
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456 if (vv == NULL || vv->not_found) { |
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457 return NGX_ERROR; |
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458 } |
|
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|
459 |
|
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changeset
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460 name->len = vv->len; |
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461 name->data = vv->data; |
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462 |
|
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463 return ngx_http_get_charset(r, name); |
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464 } |
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changeset
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465 |
|
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changeset
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466 |
|
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467 static ngx_int_t |
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468 ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name) |
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469 { |
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470 ngx_uint_t i, n; |
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471 ngx_http_charset_t *charset; |
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472 ngx_http_charset_main_conf_t *mcf; |
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changeset
|
473 |
|
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474 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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475 |
|
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476 charset = mcf->charsets.elts; |
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477 n = mcf->charsets.nelts; |
| 657 | 478 |
| 479 for (i = 0; i < n; i++) { | |
|
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480 if (charset[i].name.len != name->len) { |
|
752
907361d07f25
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parents:
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diff
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|
481 continue; |
|
907361d07f25
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parents:
681
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changeset
|
482 } |
|
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parents:
681
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changeset
|
483 |
|
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484 if (ngx_strncasecmp(charset[i].name.data, name->data, name->len) == 0) { |
| 657 | 485 return i; |
| 486 } | |
| 487 } | |
| 488 | |
| 489 return NGX_HTTP_NO_CHARSET; | |
| 490 } | |
| 491 | |
| 492 | |
|
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493 static ngx_inline void |
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494 ngx_http_set_charset(ngx_http_request_t *r, ngx_str_t *charset) |
| 657 | 495 { |
|
2891
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496 if (r != r->main) { |
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497 return; |
|
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|
498 } |
|
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499 |
|
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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500 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY |
| 501 | 501 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) |
|
99
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502 { |
|
155
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503 /* |
| 635 | 504 * do not set charset for the redirect because NN 4.x |
| 505 * use this charset instead of the next page charset | |
|
155
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506 */ |
|
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|
507 |
|
99
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parents:
diff
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|
508 r->headers_out.charset.len = 0; |
|
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509 return; |
|
339
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|
510 } |
|
99
a059e1aa65d4
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parents:
diff
changeset
|
511 |
|
2889
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|
512 r->headers_out.charset = *charset; |
|
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513 } |
|
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|
514 |
| 635 | 515 |
|
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changeset
|
516 static ngx_int_t |
|
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|
517 ngx_http_charset_ctx(ngx_http_request_t *r, ngx_http_charset_t *charsets, |
|
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518 ngx_int_t charset, ngx_int_t source_charset) |
|
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changeset
|
519 { |
|
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|
520 ngx_http_charset_ctx_t *ctx; |
|
339
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|
521 |
| 501 | 522 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
| 523 if (ctx == NULL) { | |
| 524 return NGX_ERROR; | |
| 525 } | |
| 526 | |
| 527 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); | |
| 528 | |
| 635 | 529 ctx->table = charsets[source_charset].tables[charset]; |
| 530 ctx->charset = charset; | |
| 2890 | 531 ctx->charset_name = charsets[charset].name; |
| 657 | 532 ctx->length = charsets[charset].length; |
| 533 ctx->from_utf8 = charsets[source_charset].utf8; | |
| 534 ctx->to_utf8 = charsets[charset].utf8; | |
| 535 | |
| 663 | 536 r->filter_need_in_memory = 1; |
| 537 | |
| 657 | 538 if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { |
| 539 ngx_http_clear_content_length(r); | |
| 663 | 540 |
| 541 } else { | |
| 542 r->filter_need_temporary = 1; | |
| 657 | 543 } |
|
339
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338
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|
544 |
|
155
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|
545 return ngx_http_next_header_filter(r); |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
546 } |
|
a059e1aa65d4
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parents:
diff
changeset
|
547 |
|
a059e1aa65d4
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parents:
diff
changeset
|
548 |
| 501 | 549 static ngx_int_t |
| 550 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
|
99
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|
551 { |
| 657 | 552 ngx_int_t rc; |
| 553 ngx_buf_t *b; | |
| 554 ngx_chain_t *cl, *out, **ll; | |
| 635 | 555 ngx_http_charset_ctx_t *ctx; |
|
339
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|
556 |
|
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|
557 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); |
|
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|
558 |
| 635 | 559 if (ctx == NULL || ctx->table == NULL) { |
|
339
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|
560 return ngx_http_next_body_filter(r, in); |
|
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|
561 } |
|
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|
562 |
| 657 | 563 if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { |
| 564 | |
| 565 out = NULL; | |
| 566 ll = &out; | |
| 567 | |
| 568 for (cl = in; cl; cl = cl->next) { | |
| 569 b = cl->buf; | |
| 570 | |
| 571 if (ngx_buf_size(b) == 0) { | |
| 665 | 572 |
| 573 *ll = ngx_alloc_chain_link(r->pool); | |
| 574 if (*ll == NULL) { | |
| 575 return NGX_ERROR; | |
| 576 } | |
| 577 | |
| 578 (*ll)->buf = b; | |
| 579 (*ll)->next = NULL; | |
| 580 | |
| 581 ll = &(*ll)->next; | |
| 582 | |
| 657 | 583 continue; |
| 584 } | |
| 585 | |
| 586 if (ctx->to_utf8) { | |
| 587 *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); | |
| 588 | |
| 589 } else { | |
| 590 *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); | |
| 591 } | |
| 592 | |
| 593 if (*ll == NULL) { | |
| 594 return NGX_ERROR; | |
| 595 } | |
| 596 | |
| 597 while (*ll) { | |
| 598 ll = &(*ll)->next; | |
| 599 } | |
| 600 } | |
| 601 | |
| 602 rc = ngx_http_next_body_filter(r, out); | |
| 603 | |
| 604 if (out) { | |
| 605 if (ctx->busy == NULL) { | |
| 606 ctx->busy = out; | |
| 607 | |
| 608 } else { | |
| 609 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } | |
| 610 cl->next = out; | |
| 611 } | |
| 612 } | |
| 613 | |
| 614 while (ctx->busy) { | |
| 615 | |
| 616 cl = ctx->busy; | |
| 617 b = cl->buf; | |
| 618 | |
| 619 if (ngx_buf_size(b) != 0) { | |
| 620 break; | |
| 621 } | |
| 622 | |
| 623 ctx->busy = cl->next; | |
| 624 | |
| 625 if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { | |
| 626 continue; | |
| 627 } | |
| 628 | |
| 629 if (b->shadow) { | |
| 630 b->shadow->pos = b->shadow->last; | |
| 631 } | |
| 632 | |
| 633 if (b->pos) { | |
| 634 cl->next = ctx->free_buffers; | |
| 635 ctx->free_buffers = cl; | |
| 636 continue; | |
| 637 } | |
| 638 | |
| 639 cl->next = ctx->free_bufs; | |
| 640 ctx->free_bufs = cl; | |
| 641 } | |
| 642 | |
| 643 return rc; | |
| 644 } | |
| 645 | |
|
339
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parents:
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646 for (cl = in; cl; cl = cl->next) { |
| 635 | 647 (void) ngx_http_charset_recode(cl->buf, ctx->table); |
|
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648 } |
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649 |
|
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650 return ngx_http_next_body_filter(r, in); |
|
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651 } |
|
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652 |
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653 |
| 501 | 654 static ngx_uint_t |
| 635 | 655 ngx_http_charset_recode(ngx_buf_t *b, u_char *table) |
|
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656 { |
|
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657 u_char *p, *last; |
| 635 | 658 |
|
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659 last = b->last; |
| 455 | 660 |
|
1944
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661 for (p = b->pos; p < last; p++) { |
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662 |
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663 if (*p != table[*p]) { |
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664 goto recode; |
| 455 | 665 } |
| 666 } | |
| 667 | |
| 635 | 668 return 0; |
|
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669 |
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670 recode: |
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671 |
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672 do { |
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673 if (*p != table[*p]) { |
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674 *p = table[*p]; |
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675 } |
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676 |
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677 p++; |
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678 |
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679 } while (p < last); |
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680 |
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681 b->in_file = 0; |
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682 |
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683 return 1; |
|
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684 } |
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685 |
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|
686 |
| 657 | 687 static ngx_chain_t * |
| 688 ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 689 ngx_http_charset_ctx_t *ctx) | |
| 690 { | |
| 691 size_t len, size; | |
| 692 u_char c, *p, *src, *dst, *saved, **table; | |
| 693 uint32_t n; | |
| 694 ngx_buf_t *b; | |
| 695 ngx_uint_t i; | |
| 696 ngx_chain_t *out, *cl, **ll; | |
| 697 | |
| 698 src = buf->pos; | |
| 699 | |
| 700 if (ctx->saved_len == 0) { | |
| 701 | |
| 702 for ( /* void */ ; src < buf->last; src++) { | |
| 703 | |
| 704 if (*src < 0x80) { | |
| 705 continue; | |
| 706 } | |
| 707 | |
| 708 len = src - buf->pos; | |
| 709 | |
| 710 if (len > 512) { | |
| 711 out = ngx_http_charset_get_buf(pool, ctx); | |
| 712 if (out == NULL) { | |
| 713 return NULL; | |
| 714 } | |
| 715 | |
| 716 b = out->buf; | |
| 717 | |
| 718 b->temporary = buf->temporary; | |
| 719 b->memory = buf->memory; | |
| 720 b->mmap = buf->mmap; | |
| 721 b->flush = buf->flush; | |
| 722 | |
| 723 b->pos = buf->pos; | |
| 724 b->last = src; | |
| 725 | |
| 726 out->buf = b; | |
| 727 out->next = NULL; | |
| 728 | |
| 729 size = buf->last - src; | |
| 730 | |
| 731 saved = src; | |
|
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732 n = ngx_utf8_decode(&saved, size); |
| 657 | 733 |
| 734 if (n == 0xfffffffe) { | |
| 735 /* incomplete UTF-8 symbol */ | |
| 736 | |
| 737 ngx_memcpy(ctx->saved, src, size); | |
| 738 ctx->saved_len = size; | |
| 739 | |
| 740 b->shadow = buf; | |
| 741 | |
| 742 return out; | |
| 743 } | |
| 744 | |
| 745 } else { | |
| 746 out = NULL; | |
| 747 size = len + buf->last - src; | |
| 748 src = buf->pos; | |
| 749 } | |
| 750 | |
| 751 if (size < NGX_HTML_ENTITY_LEN) { | |
| 752 size += NGX_HTML_ENTITY_LEN; | |
| 753 } | |
| 754 | |
| 755 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 756 if (cl == NULL) { | |
| 757 return NULL; | |
| 758 } | |
| 759 | |
| 760 if (out) { | |
| 761 out->next = cl; | |
| 762 | |
| 763 } else { | |
| 764 out = cl; | |
| 765 } | |
| 766 | |
| 767 b = cl->buf; | |
| 768 dst = b->pos; | |
| 769 | |
| 770 goto recode; | |
| 771 } | |
| 772 | |
| 773 out = ngx_alloc_chain_link(pool); | |
| 774 if (out == NULL) { | |
| 775 return NULL; | |
| 776 } | |
| 777 | |
| 778 out->buf = buf; | |
| 779 out->next = NULL; | |
| 780 | |
| 781 return out; | |
| 782 } | |
| 783 | |
| 784 /* process incomplete UTF sequence from previous buffer */ | |
| 785 | |
| 786 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 787 "http charset utf saved: %z", ctx->saved_len); | |
| 788 | |
| 789 p = src; | |
| 790 | |
| 791 for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { | |
| 792 ctx->saved[i] = *p++; | |
| 793 | |
| 794 if (p == buf->last) { | |
| 795 break; | |
| 796 } | |
| 797 } | |
| 798 | |
| 799 saved = ctx->saved; | |
|
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|
800 n = ngx_utf8_decode(&saved, i); |
| 657 | 801 |
| 802 c = '\0'; | |
| 803 | |
| 804 if (n < 0x10000) { | |
| 805 table = (u_char **) ctx->table; | |
| 806 p = table[n >> 8]; | |
| 807 | |
| 808 if (p) { | |
| 809 c = p[n & 0xff]; | |
| 810 } | |
| 811 | |
| 812 } else if (n == 0xfffffffe) { | |
| 813 | |
| 814 /* incomplete UTF-8 symbol */ | |
| 815 | |
| 816 if (i < NGX_UTF_LEN) { | |
| 817 out = ngx_http_charset_get_buf(pool, ctx); | |
| 818 if (out == NULL) { | |
| 819 return NULL; | |
| 820 } | |
| 821 | |
| 822 b = out->buf; | |
| 823 | |
| 824 b->pos = buf->pos; | |
| 825 b->last = buf->last; | |
| 826 b->sync = 1; | |
| 827 b->shadow = buf; | |
| 828 | |
| 829 ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); | |
| 830 ctx->saved_len += i; | |
| 831 | |
| 832 return out; | |
| 833 } | |
| 834 } | |
| 835 | |
| 836 size = buf->last - buf->pos; | |
| 837 | |
| 838 if (size < NGX_HTML_ENTITY_LEN) { | |
| 839 size += NGX_HTML_ENTITY_LEN; | |
| 840 } | |
| 841 | |
| 842 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 843 if (cl == NULL) { | |
| 844 return NULL; | |
| 845 } | |
| 846 | |
| 847 out = cl; | |
| 848 | |
| 849 b = cl->buf; | |
| 850 dst = b->pos; | |
| 851 | |
| 852 if (c) { | |
| 853 *dst++ = c; | |
| 854 | |
| 855 } else if (n == 0xfffffffe) { | |
| 856 *dst++ = '?'; | |
| 857 | |
| 858 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 859 "http charset invalid utf 0"); | |
| 860 | |
| 861 saved = &ctx->saved[NGX_UTF_LEN]; | |
| 862 | |
| 863 } else if (n > 0x10ffff) { | |
| 864 *dst++ = '?'; | |
| 865 | |
| 866 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 867 "http charset invalid utf 1"); | |
| 868 | |
| 869 } else { | |
| 870 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 871 } | |
| 872 | |
| 873 src += (saved - ctx->saved) - ctx->saved_len; | |
| 874 ctx->saved_len = 0; | |
| 875 | |
| 876 recode: | |
| 877 | |
| 878 ll = &cl->next; | |
| 879 | |
| 880 table = (u_char **) ctx->table; | |
| 881 | |
| 882 while (src < buf->last) { | |
| 883 | |
| 884 if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { | |
| 885 b->last = dst; | |
| 886 | |
| 887 size = buf->last - src + NGX_HTML_ENTITY_LEN; | |
| 888 | |
| 889 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 890 if (cl == NULL) { | |
| 891 return NULL; | |
| 892 } | |
| 893 | |
| 894 *ll = cl; | |
| 895 ll = &cl->next; | |
| 896 | |
| 897 b = cl->buf; | |
| 898 dst = b->pos; | |
| 899 } | |
| 900 | |
| 901 if (*src < 0x80) { | |
| 902 *dst++ = *src++; | |
| 903 continue; | |
| 904 } | |
| 905 | |
| 906 len = buf->last - src; | |
| 907 | |
|
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diff
changeset
|
908 n = ngx_utf8_decode(&src, len); |
| 657 | 909 |
| 910 if (n < 0x10000) { | |
| 911 | |
| 912 p = table[n >> 8]; | |
| 913 | |
| 914 if (p) { | |
| 915 c = p[n & 0xff]; | |
| 916 | |
| 917 if (c) { | |
| 918 *dst++ = c; | |
| 919 continue; | |
| 920 } | |
| 921 } | |
| 922 | |
| 923 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 924 | |
| 925 continue; | |
| 926 } | |
| 927 | |
| 928 if (n == 0xfffffffe) { | |
| 929 /* incomplete UTF-8 symbol */ | |
| 930 | |
| 931 ngx_memcpy(ctx->saved, src, len); | |
| 932 ctx->saved_len = len; | |
| 933 | |
| 934 if (b->pos == dst) { | |
| 935 b->sync = 1; | |
| 936 b->temporary = 0; | |
| 937 } | |
| 938 | |
| 939 break; | |
| 940 } | |
| 941 | |
| 942 if (n > 0x10ffff) { | |
| 943 *dst++ = '?'; | |
| 944 | |
| 945 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 946 "http charset invalid utf 2"); | |
| 947 | |
| 948 continue; | |
| 949 } | |
| 950 | |
| 951 /* n > 0xffff */ | |
| 952 | |
| 953 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 954 } | |
| 955 | |
| 956 b->last = dst; | |
| 957 | |
| 958 b->last_buf = buf->last_buf; | |
| 959 b->last_in_chain = buf->last_in_chain; | |
| 960 b->flush = buf->flush; | |
| 961 | |
| 962 b->shadow = buf; | |
| 963 | |
| 964 return out; | |
| 965 } | |
| 966 | |
| 967 | |
| 968 static ngx_chain_t * | |
| 969 ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 970 ngx_http_charset_ctx_t *ctx) | |
| 971 { | |
| 972 size_t len, size; | |
| 973 u_char *p, *src, *dst, *table; | |
| 974 ngx_buf_t *b; | |
| 975 ngx_chain_t *out, *cl, **ll; | |
| 976 | |
| 977 table = ctx->table; | |
| 978 | |
| 979 for (src = buf->pos; src < buf->last; src++) { | |
| 980 if (table[*src * NGX_UTF_LEN] == '\1') { | |
| 981 continue; | |
| 982 } | |
| 983 | |
| 984 goto recode; | |
| 985 } | |
| 986 | |
| 987 out = ngx_alloc_chain_link(pool); | |
| 988 if (out == NULL) { | |
| 989 return NULL; | |
| 990 } | |
| 991 | |
| 992 out->buf = buf; | |
| 993 out->next = NULL; | |
| 994 | |
| 995 return out; | |
| 996 | |
| 997 recode: | |
| 998 | |
| 999 /* | |
| 1000 * we assume that there are about half of characters to be recoded, | |
| 1001 * so we preallocate "size / 2 + size / 2 * ctx->length" | |
| 1002 */ | |
| 1003 | |
| 1004 len = src - buf->pos; | |
| 1005 | |
| 1006 if (len > 512) { | |
| 1007 out = ngx_http_charset_get_buf(pool, ctx); | |
| 1008 if (out == NULL) { | |
| 1009 return NULL; | |
| 1010 } | |
| 1011 | |
| 1012 b = out->buf; | |
| 1013 | |
| 1014 b->temporary = buf->temporary; | |
| 1015 b->memory = buf->memory; | |
| 1016 b->mmap = buf->mmap; | |
| 1017 b->flush = buf->flush; | |
| 1018 | |
| 1019 b->pos = buf->pos; | |
| 1020 b->last = src; | |
| 1021 | |
| 1022 out->buf = b; | |
| 1023 out->next = NULL; | |
| 1024 | |
| 1025 size = buf->last - src; | |
| 1026 size = size / 2 + size / 2 * ctx->length; | |
| 1027 | |
| 1028 } else { | |
| 1029 out = NULL; | |
| 1030 | |
| 1031 size = buf->last - src; | |
| 1032 size = len + size / 2 + size / 2 * ctx->length; | |
| 1033 | |
| 1034 src = buf->pos; | |
| 1035 } | |
| 1036 | |
| 1037 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 1038 if (cl == NULL) { | |
| 1039 return NULL; | |
| 1040 } | |
| 1041 | |
| 1042 if (out) { | |
| 1043 out->next = cl; | |
| 1044 | |
| 1045 } else { | |
| 1046 out = cl; | |
| 1047 } | |
| 1048 | |
| 1049 ll = &cl->next; | |
| 1050 | |
| 1051 b = cl->buf; | |
| 1052 dst = b->pos; | |
| 1053 | |
| 1054 while (src < buf->last) { | |
| 1055 | |
| 1056 p = &table[*src++ * NGX_UTF_LEN]; | |
| 1057 len = *p++; | |
| 1058 | |
| 1059 if ((size_t) (b->end - dst) < len) { | |
| 1060 b->last = dst; | |
| 1061 | |
| 1062 size = buf->last - src; | |
| 1063 size = len + size / 2 + size / 2 * ctx->length; | |
| 1064 | |
| 1065 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 1066 if (cl == NULL) { | |
| 1067 return NULL; | |
| 1068 } | |
| 1069 | |
| 1070 *ll = cl; | |
| 1071 ll = &cl->next; | |
| 1072 | |
| 1073 b = cl->buf; | |
| 1074 dst = b->pos; | |
| 1075 } | |
| 1076 | |
| 1077 while (len) { | |
| 1078 *dst++ = *p++; | |
| 1079 len--; | |
| 1080 } | |
| 1081 } | |
| 1082 | |
| 1083 b->last = dst; | |
| 1084 | |
| 1085 b->last_buf = buf->last_buf; | |
| 1086 b->last_in_chain = buf->last_in_chain; | |
| 1087 b->flush = buf->flush; | |
| 1088 | |
| 1089 b->shadow = buf; | |
| 1090 | |
| 1091 return out; | |
| 1092 } | |
| 1093 | |
| 1094 | |
| 1095 static ngx_chain_t * | |
| 1096 ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) | |
| 1097 { | |
| 1098 ngx_chain_t *cl; | |
| 1099 | |
| 1100 cl = ctx->free_bufs; | |
| 1101 | |
| 1102 if (cl) { | |
| 1103 ctx->free_bufs = cl->next; | |
| 1104 | |
| 1105 cl->buf->shadow = NULL; | |
| 1106 cl->next = NULL; | |
| 1107 | |
| 1108 return cl; | |
| 1109 } | |
| 1110 | |
| 1111 cl = ngx_alloc_chain_link(pool); | |
| 1112 if (cl == NULL) { | |
| 1113 return NULL; | |
| 1114 } | |
| 1115 | |
| 1116 cl->buf = ngx_calloc_buf(pool); | |
| 1117 if (cl->buf == NULL) { | |
| 1118 return NULL; | |
| 1119 } | |
| 1120 | |
| 1121 cl->next = NULL; | |
| 1122 | |
| 1123 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 1124 | |
| 1125 return cl; | |
| 1126 } | |
| 1127 | |
| 1128 | |
| 1129 static ngx_chain_t * | |
| 1130 ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, | |
| 1131 size_t size) | |
| 1132 { | |
| 1133 ngx_buf_t *b; | |
| 1134 ngx_chain_t *cl, **ll; | |
| 1135 | |
| 1136 for (ll = &ctx->free_buffers, cl = ctx->free_buffers; | |
| 1137 cl; | |
| 1138 ll = &cl->next, cl = cl->next) | |
| 1139 { | |
| 1140 b = cl->buf; | |
| 1141 | |
| 1142 if ((size_t) (b->end - b->start) >= size) { | |
| 1143 *ll = cl->next; | |
| 1144 cl->next = NULL; | |
| 1145 | |
| 1146 b->pos = b->start; | |
| 1147 b->temporary = 1; | |
| 1148 b->shadow = NULL; | |
| 1149 | |
| 1150 return cl; | |
| 1151 } | |
| 1152 } | |
| 1153 | |
| 1154 cl = ngx_alloc_chain_link(pool); | |
| 1155 if (cl == NULL) { | |
| 1156 return NULL; | |
| 1157 } | |
| 1158 | |
| 1159 cl->buf = ngx_create_temp_buf(pool, size); | |
| 1160 if (cl->buf == NULL) { | |
| 1161 return NULL; | |
| 1162 } | |
| 1163 | |
| 1164 cl->next = NULL; | |
| 1165 | |
| 1166 cl->buf->temporary = 1; | |
| 1167 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 1168 | |
| 1169 return cl; | |
| 1170 } | |
| 1171 | |
| 1172 | |
| 501 | 1173 static char * |
| 657 | 1174 ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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1175 { |
|
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1176 ngx_http_charset_main_conf_t *mcf = conf; |
|
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1177 |
| 657 | 1178 char *rv; |
| 1179 u_char *p, *dst2src, **pp; | |
| 1180 ngx_int_t src, dst; | |
| 1181 ngx_uint_t i, n; | |
| 1182 ngx_str_t *value; | |
| 1183 ngx_conf_t pvcf; | |
| 1184 ngx_http_charset_t *charset; | |
| 1185 ngx_http_charset_tables_t *table; | |
| 1186 ngx_http_charset_conf_ctx_t ctx; | |
|
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1187 |
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1188 value = cf->args->elts; |
|
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1189 |
|
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1190 src = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
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1191 if (src == NGX_ERROR) { |
|
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1192 return NGX_CONF_ERROR; |
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1193 } |
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1194 |
|
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1195 dst = ngx_http_add_charset(&mcf->charsets, &value[2]); |
|
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1196 if (dst == NGX_ERROR) { |
|
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1197 return NGX_CONF_ERROR; |
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1198 } |
|
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1199 |
|
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1200 if (src == dst) { |
|
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1201 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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1202 "\"charset_map\" between the same charsets " |
| 461 | 1203 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
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1204 return NGX_CONF_ERROR; |
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1205 } |
|
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1206 |
|
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1207 table = mcf->tables.elts; |
|
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1208 for (i = 0; i < mcf->tables.nelts; i++) { |
|
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1209 if ((src == table->src && dst == table->dst) |
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1210 || (src == table->dst && dst == table->src)) |
|
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|
1211 { |
|
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|
1212 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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|
1213 "duplicate \"charset_map\" between " |
| 461 | 1214 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
339
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1215 return NGX_CONF_ERROR; |
|
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|
1216 } |
|
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|
1217 } |
|
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1218 |
| 501 | 1219 table = ngx_array_push(&mcf->tables); |
| 1220 if (table == NULL) { | |
|
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1221 return NGX_CONF_ERROR; |
|
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|
1222 } |
|
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|
1223 |
|
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|
1224 table->src = src; |
|
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|
1225 table->dst = dst; |
|
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|
1226 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
797
diff
changeset
|
1227 if (ngx_strcasecmp(value[2].data, (u_char *) "utf-8") == 0) { |
| 657 | 1228 table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); |
| 1229 if (table->src2dst == NULL) { | |
| 1230 return NGX_CONF_ERROR; | |
| 1231 } | |
| 1232 | |
| 1233 table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); | |
| 1234 if (table->dst2src == NULL) { | |
| 1235 return NGX_CONF_ERROR; | |
| 1236 } | |
| 1237 | |
| 1238 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1239 if (dst2src == NULL) { | |
| 1240 return NGX_CONF_ERROR; | |
| 1241 } | |
| 1242 | |
| 1243 pp = (u_char **) &table->dst2src[0]; | |
| 1244 pp[0] = dst2src; | |
| 1245 | |
| 1246 for (i = 0; i < 128; i++) { | |
| 1247 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1248 p[0] = '\1'; | |
| 1249 p[1] = (u_char) i; | |
| 1250 dst2src[i] = (u_char) i; | |
| 1251 } | |
|
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|
1252 |
| 657 | 1253 for (/* void */; i < 256; i++) { |
| 1254 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1255 p[0] = '\1'; | |
| 1256 p[1] = '?'; | |
| 1257 } | |
| 1258 | |
| 1259 } else { | |
| 1260 table->src2dst = ngx_palloc(cf->pool, 256); | |
| 1261 if (table->src2dst == NULL) { | |
| 1262 return NGX_CONF_ERROR; | |
| 1263 } | |
| 1264 | |
| 1265 table->dst2src = ngx_palloc(cf->pool, 256); | |
| 1266 if (table->dst2src == NULL) { | |
| 1267 return NGX_CONF_ERROR; | |
| 1268 } | |
| 1269 | |
| 1270 for (i = 0; i < 128; i++) { | |
| 1271 table->src2dst[i] = (u_char) i; | |
| 1272 table->dst2src[i] = (u_char) i; | |
| 1273 } | |
| 1274 | |
| 1275 for (/* void */; i < 256; i++) { | |
| 1276 table->src2dst[i] = '?'; | |
| 1277 table->dst2src[i] = '?'; | |
| 1278 } | |
|
339
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|
1279 } |
|
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|
1280 |
| 657 | 1281 charset = mcf->charsets.elts; |
|
339
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|
1282 |
| 657 | 1283 ctx.table = table; |
| 1284 ctx.charset = &charset[dst]; | |
| 1285 ctx.characters = 0; | |
|
339
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|
1286 |
|
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|
1287 pvcf = *cf; |
| 657 | 1288 cf->ctx = &ctx; |
| 1289 cf->handler = ngx_http_charset_map; | |
|
338
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|
1290 cf->handler_conf = conf; |
| 501 | 1291 |
|
338
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|
1292 rv = ngx_conf_parse(cf, NULL); |
| 501 | 1293 |
|
339
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|
1294 *cf = pvcf; |
|
338
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|
1295 |
| 657 | 1296 if (ctx.characters) { |
| 1297 n = ctx.charset->length; | |
| 1298 ctx.charset->length /= ctx.characters; | |
| 1299 | |
| 1300 if (((n * 10) / ctx.characters) % 10 > 4) { | |
| 1301 ctx.charset->length++; | |
| 1302 } | |
| 1303 } | |
| 1304 | |
|
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|
1305 return rv; |
|
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|
1306 } |
|
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|
1307 |
|
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|
1308 |
| 501 | 1309 static char * |
| 657 | 1310 ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) |
|
338
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|
1311 { |
| 657 | 1312 u_char *p, *dst2src, **pp; |
| 1313 uint32_t n; | |
| 1314 ngx_int_t src, dst; | |
| 1315 ngx_str_t *value; | |
| 1316 ngx_uint_t i; | |
| 1317 ngx_http_charset_tables_t *table; | |
| 1318 ngx_http_charset_conf_ctx_t *ctx; | |
|
338
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|
1319 |
|
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|
1320 if (cf->args->nelts != 2) { |
|
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|
1321 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number"); |
|
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|
1322 return NGX_CONF_ERROR; |
|
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|
1323 } |
|
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|
1324 |
|
339
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|
1325 value = cf->args->elts; |
|
338
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|
1326 |
|
339
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|
1327 src = ngx_hextoi(value[0].data, value[0].len); |
|
338
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|
1328 if (src == NGX_ERROR || src > 255) { |
|
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|
1329 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 461 | 1330 "invalid value \"%V\"", &value[0]); |
|
339
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|
1331 return NGX_CONF_ERROR; |
|
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|
1332 } |
|
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|
1333 |
| 657 | 1334 ctx = cf->ctx; |
| 1335 table = ctx->table; | |
| 1336 | |
| 1337 if (ctx->charset->utf8) { | |
| 1338 p = &table->src2dst[src * NGX_UTF_LEN]; | |
| 1339 | |
| 1340 *p++ = (u_char) (value[1].len / 2); | |
| 1341 | |
| 1342 for (i = 0; i < value[1].len; i += 2) { | |
| 1343 dst = ngx_hextoi(&value[1].data[i], 2); | |
| 1344 if (dst == NGX_ERROR || dst > 255) { | |
| 1345 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1346 "invalid value \"%V\"", &value[1]); | |
| 1347 return NGX_CONF_ERROR; | |
| 1348 } | |
| 1349 | |
| 1350 *p++ = (u_char) dst; | |
| 1351 } | |
| 1352 | |
| 1353 i /= 2; | |
| 1354 | |
| 1355 ctx->charset->length += i; | |
| 1356 ctx->characters++; | |
| 1357 | |
| 1358 p = &table->src2dst[src * NGX_UTF_LEN] + 1; | |
| 1359 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
1360 n = ngx_utf8_decode(&p, i); |
| 657 | 1361 |
| 1362 if (n > 0xffff) { | |
| 1363 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1364 "invalid value \"%V\"", &value[1]); | |
| 1365 return NGX_CONF_ERROR; | |
| 1366 } | |
| 1367 | |
| 1368 pp = (u_char **) &table->dst2src[0]; | |
| 1369 | |
| 1370 dst2src = pp[n >> 8]; | |
| 1371 | |
| 1372 if (dst2src == NULL) { | |
| 1373 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1374 if (dst2src == NULL) { | |
| 1375 return NGX_CONF_ERROR; | |
| 1376 } | |
| 1377 | |
| 1378 pp[n >> 8] = dst2src; | |
| 1379 } | |
| 1380 | |
| 1381 dst2src[n & 0xff] = (u_char) src; | |
| 1382 | |
| 1383 } else { | |
| 1384 dst = ngx_hextoi(value[1].data, value[1].len); | |
| 1385 if (dst == NGX_ERROR || dst > 255) { | |
| 1386 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1387 "invalid value \"%V\"", &value[1]); | |
| 1388 return NGX_CONF_ERROR; | |
| 1389 } | |
| 1390 | |
| 1391 table->src2dst[src] = (u_char) dst; | |
| 1392 table->dst2src[dst] = (u_char) src; | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1393 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1394 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1395 return NGX_CONF_OK; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1396 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1397 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1398 |
| 501 | 1399 static char * |
| 1400 ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1401 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1402 char *p = conf; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1403 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1404 ngx_int_t *cp; |
|
752
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1405 ngx_str_t *value, var; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1406 ngx_http_charset_main_conf_t *mcf; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1407 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1408 cp = (ngx_int_t *) (p + cmd->offset); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1409 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1410 if (*cp != NGX_CONF_UNSET) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1411 return "is duplicate"; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1412 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1413 |
| 529 | 1414 value = cf->args->elts; |
| 1415 | |
| 1416 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) | |
| 1417 && ngx_strcmp(value[1].data, "off") == 0) | |
| 1418 { | |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1419 *cp = NGX_HTTP_CHARSET_OFF; |
| 529 | 1420 return NGX_CONF_OK; |
| 1421 } | |
| 1422 | |
|
752
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1423 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1424 if (value[1].data[0] == '$') { |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1425 var.len = value[1].len - 1; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1426 var.data = value[1].data + 1; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1427 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1428 *cp = ngx_http_get_variable_index(cf, &var); |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1429 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1430 if (*cp == NGX_ERROR) { |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1431 return NGX_CONF_ERROR; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1432 } |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1433 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1434 *cp += NGX_HTTP_CHARSET_VAR; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1435 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1436 return NGX_CONF_OK; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1437 } |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1438 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1439 mcf = ngx_http_conf_get_module_main_conf(cf, |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1440 ngx_http_charset_filter_module); |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1441 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1442 *cp = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1443 if (*cp == NGX_ERROR) { |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1444 return NGX_CONF_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1445 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1446 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1447 return NGX_CONF_OK; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1448 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1449 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1450 |
| 501 | 1451 static ngx_int_t |
| 1452 ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name) | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1453 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1454 ngx_uint_t i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1455 ngx_http_charset_t *c; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1456 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1457 c = charsets->elts; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1458 for (i = 0; i < charsets->nelts; i++) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1459 if (name->len != c[i].name.len) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1460 continue; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1461 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1462 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1463 if (ngx_strcasecmp(name->data, c[i].name.data) == 0) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1464 break; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1465 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1466 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1467 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1468 if (i < charsets->nelts) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1469 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1470 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1471 |
| 501 | 1472 c = ngx_array_push(charsets); |
| 1473 if (c == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1474 return NGX_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1475 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1476 |
| 455 | 1477 c->tables = NULL; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1478 c->name = *name; |
| 657 | 1479 c->length = 0; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1480 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1481 if (ngx_strcasecmp(name->data, (u_char *) "utf-8") == 0) { |
| 523 | 1482 c->utf8 = 1; |
| 667 | 1483 |
| 1484 } else { | |
| 1485 c->utf8 = 0; | |
| 523 | 1486 } |
| 1487 | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1488 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1489 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1490 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1491 |
| 501 | 1492 static void * |
| 1493 ngx_http_charset_create_main_conf(ngx_conf_t *cf) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1494 { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1495 ngx_http_charset_main_conf_t *mcf; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1496 |
| 501 | 1497 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); |
| 1498 if (mcf == NULL) { | |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1499 return NULL; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1500 } |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1501 |
| 501 | 1502 if (ngx_array_init(&mcf->charsets, cf->pool, 2, sizeof(ngx_http_charset_t)) |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1503 != NGX_OK) |
| 501 | 1504 { |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1505 return NULL; |
| 501 | 1506 } |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1507 |
| 529 | 1508 if (ngx_array_init(&mcf->tables, cf->pool, 1, |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1509 sizeof(ngx_http_charset_tables_t)) |
|
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1510 != NGX_OK) |
| 501 | 1511 { |
|
2912
c7d57b539248
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|
1512 return NULL; |
| 501 | 1513 } |
|
338
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|
1514 |
| 529 | 1515 if (ngx_array_init(&mcf->recodes, cf->pool, 2, |
|
2536
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small optimization: " == NGX_ERROR" > " != NGX_OK"
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2414
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changeset
|
1516 sizeof(ngx_http_charset_recode_t)) |
|
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1517 != NGX_OK) |
| 529 | 1518 { |
|
2912
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parents:
2891
diff
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|
1519 return NULL; |
| 529 | 1520 } |
| 1521 | |
|
338
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1522 return mcf; |
|
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|
1523 } |
|
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|
1524 |
|
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|
1525 |
| 501 | 1526 static void * |
| 1527 ngx_http_charset_create_loc_conf(ngx_conf_t *cf) | |
|
99
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1528 { |
|
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1529 ngx_http_charset_loc_conf_t *lcf; |
|
a059e1aa65d4
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|
1530 |
| 501 | 1531 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); |
| 1532 if (lcf == NULL) { | |
|
2912
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|
1533 return NULL; |
|
339
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|
1534 } |
|
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|
1535 |
| 2167 | 1536 /* |
| 1537 * set by ngx_pcalloc(): | |
| 1538 * | |
| 1539 * lcf->types = { NULL }; | |
| 1540 * lcf->types_keys = NULL; | |
| 1541 */ | |
| 1542 | |
| 529 | 1543 lcf->charset = NGX_CONF_UNSET; |
|
339
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1544 lcf->source_charset = NGX_CONF_UNSET; |
| 635 | 1545 lcf->override_charset = NGX_CONF_UNSET; |
|
99
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|
1546 |
|
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diff
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|
1547 return lcf; |
|
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nginx-0.0.1-2003-06-02-19:24:30 import
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changeset
|
1548 } |
|
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parents:
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|
1549 |
|
a059e1aa65d4
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diff
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1550 |
| 501 | 1551 static char * |
| 1552 ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
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|
1553 { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
1554 ngx_http_charset_loc_conf_t *prev = parent; |
|
a059e1aa65d4
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|
1555 ngx_http_charset_loc_conf_t *conf = child; |
|
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|
1556 |
| 529 | 1557 ngx_uint_t i; |
| 1558 ngx_http_charset_recode_t *recode; | |
| 1559 ngx_http_charset_main_conf_t *mcf; | |
| 477 | 1560 |
|
3372
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diff
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|
1561 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, |
|
6b8e5c882e47
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|
1562 &prev->types_keys, &prev->types, |
|
2175
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1563 ngx_http_charset_default_types) |
|
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|
1564 != NGX_OK) |
|
a69886fc2864
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diff
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|
1565 { |
|
a69886fc2864
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diff
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|
1566 return NGX_CONF_ERROR; |
|
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diff
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|
1567 } |
|
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diff
changeset
|
1568 |
| 635 | 1569 ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); |
|
2889
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parents:
2877
diff
changeset
|
1570 ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_CHARSET_OFF); |
|
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1571 ngx_conf_merge_value(conf->source_charset, prev->source_charset, |
|
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
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2877
diff
changeset
|
1572 NGX_HTTP_CHARSET_OFF); |
| 477 | 1573 |
|
2889
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1574 if (conf->charset == NGX_HTTP_CHARSET_OFF |
|
0bb8c54f4c45
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|
1575 || conf->source_charset == NGX_HTTP_CHARSET_OFF |
| 529 | 1576 || conf->charset == conf->source_charset) |
| 477 | 1577 { |
| 529 | 1578 return NGX_CONF_OK; |
| 477 | 1579 } |
| 1580 | |
| 1590 | 1581 if (conf->source_charset >= NGX_HTTP_CHARSET_VAR |
| 1582 || conf->charset >= NGX_HTTP_CHARSET_VAR) | |
| 1583 { | |
| 1584 return NGX_CONF_OK; | |
| 1585 } | |
| 1586 | |
| 529 | 1587 mcf = ngx_http_conf_get_module_main_conf(cf, |
| 1588 ngx_http_charset_filter_module); | |
| 1589 recode = mcf->recodes.elts; | |
| 1590 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1591 if (conf->source_charset == recode[i].src | |
| 1592 && conf->charset == recode[i].dst) | |
| 1593 { | |
| 1594 return NGX_CONF_OK; | |
| 1595 } | |
| 477 | 1596 } |
| 1597 | |
| 529 | 1598 recode = ngx_array_push(&mcf->recodes); |
| 1599 if (recode == NULL) { | |
| 477 | 1600 return NGX_CONF_ERROR; |
| 1601 } | |
|
340
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parents:
339
diff
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|
1602 |
| 529 | 1603 recode->src = conf->source_charset; |
| 1604 recode->dst = conf->charset; | |
| 1605 | |
|
99
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parents:
diff
changeset
|
1606 return NGX_CONF_OK; |
|
a059e1aa65d4
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parents:
diff
changeset
|
1607 } |
| 529 | 1608 |
| 1609 | |
| 1610 static ngx_int_t | |
| 1611 ngx_http_charset_postconfiguration(ngx_conf_t *cf) | |
| 1612 { | |
| 635 | 1613 u_char **src, **dst; |
| 529 | 1614 ngx_int_t c; |
| 1615 ngx_uint_t i, t; | |
| 1616 ngx_http_charset_t *charset; | |
| 1617 ngx_http_charset_recode_t *recode; | |
| 1618 ngx_http_charset_tables_t *tables; | |
| 1619 ngx_http_charset_main_conf_t *mcf; | |
| 1620 | |
| 1621 mcf = ngx_http_conf_get_module_main_conf(cf, | |
| 1622 ngx_http_charset_filter_module); | |
| 1623 | |
| 1624 recode = mcf->recodes.elts; | |
| 1625 tables = mcf->tables.elts; | |
| 1626 charset = mcf->charsets.elts; | |
| 1627 | |
| 1628 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1629 | |
| 1630 c = recode[i].src; | |
| 1631 | |
| 1632 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1633 | |
| 1634 if (c == tables[t].src && recode[i].dst == tables[t].dst) { | |
| 1635 goto next; | |
| 1636 } | |
| 1637 | |
| 1638 if (c == tables[t].dst && recode[i].dst == tables[t].src) { | |
| 1639 goto next; | |
| 1640 } | |
| 1641 } | |
| 1642 | |
| 1643 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1588 | 1644 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
| 1645 &charset[c].name, &charset[recode[i].dst].name); | |
| 529 | 1646 return NGX_ERROR; |
| 1647 | |
| 1648 next: | |
| 1649 continue; | |
| 1650 } | |
| 1651 | |
| 635 | 1652 |
| 1653 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1654 | |
| 1655 src = charset[tables[t].src].tables; | |
| 1656 | |
| 1657 if (src == NULL) { | |
| 1658 src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1659 if (src == NULL) { | |
| 1660 return NGX_ERROR; | |
| 1661 } | |
| 1662 | |
| 1663 charset[tables[t].src].tables = src; | |
| 1664 } | |
| 1665 | |
| 1666 dst = charset[tables[t].dst].tables; | |
| 1667 | |
| 1668 if (dst == NULL) { | |
| 1669 dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1670 if (dst == NULL) { | |
| 1671 return NGX_ERROR; | |
| 1672 } | |
| 1673 | |
| 1674 charset[tables[t].dst].tables = dst; | |
| 1675 } | |
| 1676 | |
| 1677 src[tables[t].dst] = tables[t].src2dst; | |
| 1678 dst[tables[t].src] = tables[t].dst2src; | |
| 1679 } | |
| 1680 | |
| 681 | 1681 ngx_http_next_header_filter = ngx_http_top_header_filter; |
| 1682 ngx_http_top_header_filter = ngx_http_charset_header_filter; | |
| 1683 | |
| 1684 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
| 1685 ngx_http_top_body_filter = ngx_http_charset_body_filter; | |
| 1686 | |
| 529 | 1687 return NGX_OK; |
| 1688 } |