Mercurial > hg > nginx
annotate src/http/modules/ngx_http_charset_filter_module.c @ 7660:d33e17499088
Version bump.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 26 May 2020 22:03:00 +0300 |
| parents | a72886067bbb |
| 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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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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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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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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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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126 static ngx_str_t ngx_http_charset_default_types[] = { |
| 2167 | 127 ngx_string("text/html"), |
| 128 ngx_string("text/xml"), | |
| 129 ngx_string("text/plain"), | |
| 130 ngx_string("text/vnd.wap.wml"), | |
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131 ngx_string("application/javascript"), |
| 2167 | 132 ngx_string("application/rss+xml"), |
| 133 ngx_null_string | |
| 134 }; | |
| 135 | |
| 136 | |
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137 static ngx_command_t ngx_http_charset_filter_commands[] = { |
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138 |
| 529 | 139 { ngx_string("charset"), |
| 559 | 140 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 141 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 142 ngx_http_set_charset_slot, |
| 143 NGX_HTTP_LOC_CONF_OFFSET, | |
| 144 offsetof(ngx_http_charset_loc_conf_t, charset), | |
| 145 NULL }, | |
| 146 | |
| 147 { ngx_string("source_charset"), | |
| 559 | 148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 149 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 150 ngx_http_set_charset_slot, |
| 151 NGX_HTTP_LOC_CONF_OFFSET, | |
| 152 offsetof(ngx_http_charset_loc_conf_t, source_charset), | |
| 153 NULL }, | |
| 154 | |
| 635 | 155 { ngx_string("override_charset"), |
| 156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF | |
| 157 |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, | |
| 158 ngx_conf_set_flag_slot, | |
| 159 NGX_HTTP_LOC_CONF_OFFSET, | |
| 160 offsetof(ngx_http_charset_loc_conf_t, override_charset), | |
| 161 NULL }, | |
| 162 | |
| 2167 | 163 { ngx_string("charset_types"), |
| 164 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 165 ngx_http_types_slot, | |
| 166 NGX_HTTP_LOC_CONF_OFFSET, | |
| 167 offsetof(ngx_http_charset_loc_conf_t, types_keys), | |
| 168 &ngx_http_charset_default_types[0] }, | |
| 169 | |
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170 { ngx_string("charset_map"), |
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171 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, |
| 657 | 172 ngx_http_charset_map_block, |
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173 NGX_HTTP_MAIN_CONF_OFFSET, |
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174 0, |
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175 NULL }, |
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176 |
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177 ngx_null_command |
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178 }; |
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179 |
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180 |
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181 static ngx_http_module_t ngx_http_charset_filter_module_ctx = { |
| 509 | 182 NULL, /* preconfiguration */ |
| 529 | 183 ngx_http_charset_postconfiguration, /* postconfiguration */ |
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184 |
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185 ngx_http_charset_create_main_conf, /* create main configuration */ |
| 529 | 186 NULL, /* init main configuration */ |
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188 NULL, /* create server configuration */ |
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189 NULL, /* merge server configuration */ |
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190 |
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191 ngx_http_charset_create_loc_conf, /* create location configuration */ |
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192 ngx_http_charset_merge_loc_conf /* merge location configuration */ |
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193 }; |
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194 |
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195 |
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196 ngx_module_t ngx_http_charset_filter_module = { |
| 509 | 197 NGX_MODULE_V1, |
|
99
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198 &ngx_http_charset_filter_module_ctx, /* module context */ |
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199 ngx_http_charset_filter_commands, /* module directives */ |
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200 NGX_HTTP_MODULE, /* module type */ |
| 541 | 201 NULL, /* init master */ |
| 681 | 202 NULL, /* init module */ |
| 541 | 203 NULL, /* init process */ |
| 204 NULL, /* init thread */ | |
| 205 NULL, /* exit thread */ | |
| 206 NULL, /* exit process */ | |
| 207 NULL, /* exit master */ | |
| 208 NGX_MODULE_V1_PADDING | |
|
99
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209 }; |
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210 |
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211 |
|
155
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212 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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213 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
|
99
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214 |
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215 |
| 501 | 216 static ngx_int_t |
| 217 ngx_http_charset_header_filter(ngx_http_request_t *r) | |
|
99
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218 { |
| 635 | 219 ngx_int_t charset, source_charset; |
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220 ngx_str_t dst, src; |
|
339
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221 ngx_http_charset_t *charsets; |
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222 ngx_http_charset_main_conf_t *mcf; |
|
99
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223 |
| 653 | 224 if (r == r->main) { |
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225 charset = ngx_http_destination_charset(r, &dst); |
| 653 | 226 |
| 227 } else { | |
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228 charset = ngx_http_main_request_charset(r, &dst); |
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229 } |
| 657 | 230 |
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231 if (charset == NGX_ERROR) { |
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232 return NGX_ERROR; |
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233 } |
| 653 | 234 |
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235 if (charset == NGX_DECLINED) { |
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236 return ngx_http_next_header_filter(r); |
|
389
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237 } |
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238 |
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239 /* charset: charset index or NGX_HTTP_NO_CHARSET */ |
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240 |
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241 source_charset = ngx_http_source_charset(r, &src); |
|
752
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242 |
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243 if (source_charset == NGX_ERROR) { |
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244 return NGX_ERROR; |
| 657 | 245 } |
| 635 | 246 |
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247 /* |
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248 * source_charset: charset index, NGX_HTTP_NO_CHARSET, |
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249 * or NGX_HTTP_CHARSET_OFF |
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250 */ |
| 635 | 251 |
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252 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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253 "charset: \"%V\" > \"%V\"", &src, &dst); |
| 663 | 254 |
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255 if (source_charset == NGX_HTTP_CHARSET_OFF) { |
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256 ngx_http_set_charset(r, &dst); |
| 635 | 257 |
| 657 | 258 return ngx_http_next_header_filter(r); |
| 259 } | |
| 635 | 260 |
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261 if (charset == NGX_HTTP_NO_CHARSET |
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262 || source_charset == NGX_HTTP_NO_CHARSET) |
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263 { |
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264 if (source_charset != charset |
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265 || ngx_strncasecmp(dst.data, src.data, dst.len) != 0) |
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266 { |
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267 goto no_charset_map; |
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268 } |
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269 |
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270 ngx_http_set_charset(r, &dst); |
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271 |
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272 return ngx_http_next_header_filter(r); |
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273 } |
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274 |
|
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275 if (source_charset == charset) { |
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276 r->headers_out.content_type.len = r->headers_out.content_type_len; |
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277 |
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278 ngx_http_set_charset(r, &dst); |
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279 |
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280 return ngx_http_next_header_filter(r); |
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281 } |
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282 |
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283 /* source_charset != charset */ |
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284 |
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285 if (r->headers_out.content_encoding |
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286 && r->headers_out.content_encoding->value.len) |
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287 { |
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288 return ngx_http_next_header_filter(r); |
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289 } |
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290 |
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291 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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292 charsets = mcf->charsets.elts; |
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293 |
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294 if (charsets[source_charset].tables == NULL |
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295 || charsets[source_charset].tables[charset] == NULL) |
| 657 | 296 { |
| 663 | 297 goto no_charset_map; |
|
133
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298 } |
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299 |
| 657 | 300 r->headers_out.content_type.len = r->headers_out.content_type_len; |
| 301 | |
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302 ngx_http_set_charset(r, &dst); |
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303 |
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304 return ngx_http_charset_ctx(r, charsets, charset, source_charset); |
| 663 | 305 |
| 306 no_charset_map: | |
| 307 | |
| 308 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1587 | 309 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
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310 &src, &dst); |
| 663 | 311 |
| 312 return ngx_http_next_header_filter(r); | |
| 657 | 313 } |
| 314 | |
| 315 | |
| 316 static ngx_int_t | |
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317 ngx_http_destination_charset(ngx_http_request_t *r, ngx_str_t *name) |
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318 { |
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319 ngx_int_t charset; |
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320 ngx_http_charset_t *charsets; |
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321 ngx_http_variable_value_t *vv; |
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322 ngx_http_charset_loc_conf_t *mlcf; |
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323 ngx_http_charset_main_conf_t *mcf; |
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324 |
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325 if (r->headers_out.content_type.len == 0) { |
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326 return NGX_DECLINED; |
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327 } |
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328 |
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329 if (r->headers_out.override_charset |
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330 && r->headers_out.override_charset->len) |
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331 { |
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332 *name = *r->headers_out.override_charset; |
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333 |
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334 charset = ngx_http_get_charset(r, name); |
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335 |
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336 if (charset != NGX_HTTP_NO_CHARSET) { |
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337 return charset; |
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338 } |
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339 |
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340 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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341 "unknown charset \"%V\" to override", name); |
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342 |
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343 return NGX_DECLINED; |
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344 } |
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345 |
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346 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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347 charset = mlcf->charset; |
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348 |
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349 if (charset == NGX_HTTP_CHARSET_OFF) { |
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350 return NGX_DECLINED; |
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351 } |
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352 |
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353 if (r->headers_out.charset.len) { |
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354 if (mlcf->override_charset == 0) { |
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355 return NGX_DECLINED; |
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356 } |
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357 |
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358 } else { |
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359 if (ngx_http_test_content_type(r, &mlcf->types) == NULL) { |
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360 return NGX_DECLINED; |
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361 } |
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362 } |
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363 |
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364 if (charset < NGX_HTTP_CHARSET_VAR) { |
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365 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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366 charsets = mcf->charsets.elts; |
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367 *name = charsets[charset].name; |
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368 return charset; |
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369 } |
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370 |
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371 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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372 |
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373 if (vv == NULL || vv->not_found) { |
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374 return NGX_ERROR; |
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375 } |
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376 |
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377 name->len = vv->len; |
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378 name->data = vv->data; |
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379 |
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380 return ngx_http_get_charset(r, name); |
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381 } |
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382 |
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383 |
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384 static ngx_int_t |
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385 ngx_http_main_request_charset(ngx_http_request_t *r, ngx_str_t *src) |
| 657 | 386 { |
|
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387 ngx_int_t charset; |
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388 ngx_str_t *main_charset; |
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389 ngx_http_charset_ctx_t *ctx; |
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390 |
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391 ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); |
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392 |
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393 if (ctx) { |
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394 *src = ctx->charset_name; |
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395 return ctx->charset; |
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396 } |
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397 |
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398 main_charset = &r->main->headers_out.charset; |
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399 |
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400 if (main_charset->len == 0) { |
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401 return NGX_DECLINED; |
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402 } |
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403 |
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404 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
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405 if (ctx == NULL) { |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); |
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410 |
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411 charset = ngx_http_get_charset(r, main_charset); |
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412 |
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413 ctx->charset = charset; |
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414 ctx->charset_name = *main_charset; |
| 2890 | 415 *src = *main_charset; |
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416 |
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417 return charset; |
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418 } |
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419 |
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420 |
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421 static ngx_int_t |
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422 ngx_http_source_charset(ngx_http_request_t *r, ngx_str_t *name) |
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423 { |
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424 ngx_int_t charset; |
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425 ngx_http_charset_t *charsets; |
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426 ngx_http_variable_value_t *vv; |
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427 ngx_http_charset_loc_conf_t *lcf; |
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428 ngx_http_charset_main_conf_t *mcf; |
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429 |
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430 if (r->headers_out.charset.len) { |
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431 *name = r->headers_out.charset; |
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432 return ngx_http_get_charset(r, name); |
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433 } |
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434 |
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435 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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436 |
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437 charset = lcf->source_charset; |
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438 |
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439 if (charset == NGX_HTTP_CHARSET_OFF) { |
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440 name->len = 0; |
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441 return charset; |
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442 } |
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443 |
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444 if (charset < NGX_HTTP_CHARSET_VAR) { |
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445 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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446 charsets = mcf->charsets.elts; |
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447 *name = charsets[charset].name; |
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448 return charset; |
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449 } |
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450 |
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451 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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452 |
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453 if (vv == NULL || vv->not_found) { |
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454 return NGX_ERROR; |
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455 } |
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456 |
|
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457 name->len = vv->len; |
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458 name->data = vv->data; |
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459 |
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460 return ngx_http_get_charset(r, name); |
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461 } |
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462 |
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463 |
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464 static ngx_int_t |
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465 ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name) |
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466 { |
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467 ngx_uint_t i, n; |
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468 ngx_http_charset_t *charset; |
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469 ngx_http_charset_main_conf_t *mcf; |
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470 |
|
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471 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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472 |
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473 charset = mcf->charsets.elts; |
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474 n = mcf->charsets.nelts; |
| 657 | 475 |
| 476 for (i = 0; i < n; i++) { | |
|
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477 if (charset[i].name.len != name->len) { |
|
752
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478 continue; |
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479 } |
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480 |
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481 if (ngx_strncasecmp(charset[i].name.data, name->data, name->len) == 0) { |
| 657 | 482 return i; |
| 483 } | |
| 484 } | |
| 485 | |
| 486 return NGX_HTTP_NO_CHARSET; | |
| 487 } | |
| 488 | |
| 489 | |
|
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490 static ngx_inline void |
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491 ngx_http_set_charset(ngx_http_request_t *r, ngx_str_t *charset) |
| 657 | 492 { |
|
2891
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493 if (r != r->main) { |
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494 return; |
|
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495 } |
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496 |
|
99
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497 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY |
| 501 | 498 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) |
|
99
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499 { |
|
155
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500 /* |
| 635 | 501 * do not set charset for the redirect because NN 4.x |
| 502 * use this charset instead of the next page charset | |
|
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503 */ |
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504 |
|
99
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505 r->headers_out.charset.len = 0; |
|
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506 return; |
|
339
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507 } |
|
99
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|
508 |
|
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509 r->headers_out.charset = *charset; |
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510 } |
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511 |
| 635 | 512 |
|
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|
513 static ngx_int_t |
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514 ngx_http_charset_ctx(ngx_http_request_t *r, ngx_http_charset_t *charsets, |
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515 ngx_int_t charset, ngx_int_t source_charset) |
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516 { |
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517 ngx_http_charset_ctx_t *ctx; |
|
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518 |
| 501 | 519 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
| 520 if (ctx == NULL) { | |
| 521 return NGX_ERROR; | |
| 522 } | |
| 523 | |
| 524 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); | |
| 525 | |
| 635 | 526 ctx->table = charsets[source_charset].tables[charset]; |
| 527 ctx->charset = charset; | |
| 2890 | 528 ctx->charset_name = charsets[charset].name; |
| 657 | 529 ctx->length = charsets[charset].length; |
| 530 ctx->from_utf8 = charsets[source_charset].utf8; | |
| 531 ctx->to_utf8 = charsets[charset].utf8; | |
| 532 | |
| 663 | 533 r->filter_need_in_memory = 1; |
| 534 | |
| 657 | 535 if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { |
| 536 ngx_http_clear_content_length(r); | |
| 663 | 537 |
| 538 } else { | |
| 539 r->filter_need_temporary = 1; | |
| 657 | 540 } |
|
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|
541 |
|
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542 return ngx_http_next_header_filter(r); |
|
99
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|
543 } |
|
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|
544 |
|
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545 |
| 501 | 546 static ngx_int_t |
| 547 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
|
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|
548 { |
| 657 | 549 ngx_int_t rc; |
| 550 ngx_buf_t *b; | |
| 551 ngx_chain_t *cl, *out, **ll; | |
| 635 | 552 ngx_http_charset_ctx_t *ctx; |
|
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|
553 |
|
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554 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); |
|
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555 |
| 635 | 556 if (ctx == NULL || ctx->table == NULL) { |
|
339
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557 return ngx_http_next_body_filter(r, in); |
|
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|
558 } |
|
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|
559 |
| 657 | 560 if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { |
| 561 | |
| 562 out = NULL; | |
| 563 ll = &out; | |
| 564 | |
| 565 for (cl = in; cl; cl = cl->next) { | |
| 566 b = cl->buf; | |
| 567 | |
| 568 if (ngx_buf_size(b) == 0) { | |
| 665 | 569 |
| 570 *ll = ngx_alloc_chain_link(r->pool); | |
| 571 if (*ll == NULL) { | |
| 572 return NGX_ERROR; | |
| 573 } | |
| 574 | |
| 575 (*ll)->buf = b; | |
| 576 (*ll)->next = NULL; | |
| 577 | |
| 578 ll = &(*ll)->next; | |
| 579 | |
| 657 | 580 continue; |
| 581 } | |
| 582 | |
| 583 if (ctx->to_utf8) { | |
| 584 *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); | |
| 585 | |
| 586 } else { | |
| 587 *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); | |
| 588 } | |
| 589 | |
| 590 if (*ll == NULL) { | |
| 591 return NGX_ERROR; | |
| 592 } | |
| 593 | |
| 594 while (*ll) { | |
| 595 ll = &(*ll)->next; | |
| 596 } | |
| 597 } | |
| 598 | |
| 599 rc = ngx_http_next_body_filter(r, out); | |
| 600 | |
| 601 if (out) { | |
| 602 if (ctx->busy == NULL) { | |
| 603 ctx->busy = out; | |
| 604 | |
| 605 } else { | |
| 606 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } | |
| 607 cl->next = out; | |
| 608 } | |
| 609 } | |
| 610 | |
| 611 while (ctx->busy) { | |
| 612 | |
| 613 cl = ctx->busy; | |
| 614 b = cl->buf; | |
| 615 | |
| 616 if (ngx_buf_size(b) != 0) { | |
| 617 break; | |
| 618 } | |
| 619 | |
| 620 ctx->busy = cl->next; | |
| 621 | |
| 622 if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { | |
| 623 continue; | |
| 624 } | |
| 625 | |
| 626 if (b->shadow) { | |
| 627 b->shadow->pos = b->shadow->last; | |
| 628 } | |
| 629 | |
| 630 if (b->pos) { | |
| 631 cl->next = ctx->free_buffers; | |
| 632 ctx->free_buffers = cl; | |
| 633 continue; | |
| 634 } | |
| 635 | |
| 636 cl->next = ctx->free_bufs; | |
| 637 ctx->free_bufs = cl; | |
| 638 } | |
| 639 | |
| 640 return rc; | |
| 641 } | |
| 642 | |
|
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|
643 for (cl = in; cl; cl = cl->next) { |
| 635 | 644 (void) ngx_http_charset_recode(cl->buf, ctx->table); |
|
339
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|
645 } |
|
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|
646 |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
139
diff
changeset
|
647 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
|
648 } |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
649 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
650 |
| 501 | 651 static ngx_uint_t |
| 635 | 652 ngx_http_charset_recode(ngx_buf_t *b, u_char *table) |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
653 { |
|
1944
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
654 u_char *p, *last; |
| 635 | 655 |
|
1944
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
656 last = b->last; |
| 455 | 657 |
|
1944
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
658 for (p = b->pos; p < last; p++) { |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
659 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
660 if (*p != table[*p]) { |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
661 goto recode; |
| 455 | 662 } |
| 663 } | |
| 664 | |
| 635 | 665 return 0; |
|
1944
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
666 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
667 recode: |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
668 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
669 do { |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
670 if (*p != table[*p]) { |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
671 *p = table[*p]; |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
672 } |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
673 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
674 p++; |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
675 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
676 } while (p < last); |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
677 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
678 b->in_file = 0; |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
679 |
|
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
Igor Sysoev <igor@sysoev.ru>
parents:
1590
diff
changeset
|
680 return 1; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
681 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
682 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
683 |
| 657 | 684 static ngx_chain_t * |
| 685 ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 686 ngx_http_charset_ctx_t *ctx) | |
| 687 { | |
| 688 size_t len, size; | |
| 689 u_char c, *p, *src, *dst, *saved, **table; | |
| 690 uint32_t n; | |
| 691 ngx_buf_t *b; | |
| 692 ngx_uint_t i; | |
| 693 ngx_chain_t *out, *cl, **ll; | |
| 694 | |
| 695 src = buf->pos; | |
| 696 | |
| 697 if (ctx->saved_len == 0) { | |
| 698 | |
| 699 for ( /* void */ ; src < buf->last; src++) { | |
| 700 | |
| 701 if (*src < 0x80) { | |
| 702 continue; | |
| 703 } | |
| 704 | |
| 705 len = src - buf->pos; | |
| 706 | |
| 707 if (len > 512) { | |
| 708 out = ngx_http_charset_get_buf(pool, ctx); | |
| 709 if (out == NULL) { | |
| 710 return NULL; | |
| 711 } | |
| 712 | |
| 713 b = out->buf; | |
| 714 | |
| 715 b->temporary = buf->temporary; | |
| 716 b->memory = buf->memory; | |
| 717 b->mmap = buf->mmap; | |
| 718 b->flush = buf->flush; | |
| 719 | |
| 720 b->pos = buf->pos; | |
| 721 b->last = src; | |
| 722 | |
| 723 out->buf = b; | |
| 724 out->next = NULL; | |
| 725 | |
| 726 size = buf->last - src; | |
| 727 | |
| 728 saved = src; | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
729 n = ngx_utf8_decode(&saved, size); |
| 657 | 730 |
| 731 if (n == 0xfffffffe) { | |
| 732 /* incomplete UTF-8 symbol */ | |
| 733 | |
| 734 ngx_memcpy(ctx->saved, src, size); | |
| 735 ctx->saved_len = size; | |
| 736 | |
| 737 b->shadow = buf; | |
| 738 | |
| 739 return out; | |
| 740 } | |
| 741 | |
| 742 } else { | |
| 743 out = NULL; | |
| 744 size = len + buf->last - src; | |
| 745 src = buf->pos; | |
| 746 } | |
| 747 | |
| 748 if (size < NGX_HTML_ENTITY_LEN) { | |
| 749 size += NGX_HTML_ENTITY_LEN; | |
| 750 } | |
| 751 | |
| 752 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 753 if (cl == NULL) { | |
| 754 return NULL; | |
| 755 } | |
| 756 | |
| 757 if (out) { | |
| 758 out->next = cl; | |
| 759 | |
| 760 } else { | |
| 761 out = cl; | |
| 762 } | |
| 763 | |
| 764 b = cl->buf; | |
| 765 dst = b->pos; | |
| 766 | |
| 767 goto recode; | |
| 768 } | |
| 769 | |
| 770 out = ngx_alloc_chain_link(pool); | |
| 771 if (out == NULL) { | |
| 772 return NULL; | |
| 773 } | |
| 774 | |
| 775 out->buf = buf; | |
| 776 out->next = NULL; | |
| 777 | |
| 778 return out; | |
| 779 } | |
| 780 | |
| 781 /* process incomplete UTF sequence from previous buffer */ | |
| 782 | |
| 783 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 784 "http charset utf saved: %z", ctx->saved_len); | |
| 785 | |
| 786 p = src; | |
| 787 | |
| 788 for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { | |
| 789 ctx->saved[i] = *p++; | |
| 790 | |
| 791 if (p == buf->last) { | |
| 792 break; | |
| 793 } | |
| 794 } | |
| 795 | |
| 796 saved = ctx->saved; | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
797 n = ngx_utf8_decode(&saved, i); |
| 657 | 798 |
| 799 c = '\0'; | |
| 800 | |
| 801 if (n < 0x10000) { | |
| 802 table = (u_char **) ctx->table; | |
| 803 p = table[n >> 8]; | |
| 804 | |
| 805 if (p) { | |
| 806 c = p[n & 0xff]; | |
| 807 } | |
| 808 | |
| 809 } else if (n == 0xfffffffe) { | |
| 810 | |
| 811 /* incomplete UTF-8 symbol */ | |
| 812 | |
| 813 if (i < NGX_UTF_LEN) { | |
| 814 out = ngx_http_charset_get_buf(pool, ctx); | |
| 815 if (out == NULL) { | |
| 816 return NULL; | |
| 817 } | |
| 818 | |
| 819 b = out->buf; | |
| 820 | |
| 821 b->pos = buf->pos; | |
| 822 b->last = buf->last; | |
| 823 b->sync = 1; | |
| 824 b->shadow = buf; | |
| 825 | |
| 826 ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); | |
| 827 ctx->saved_len += i; | |
| 828 | |
| 829 return out; | |
| 830 } | |
| 831 } | |
| 832 | |
| 833 size = buf->last - buf->pos; | |
| 834 | |
| 835 if (size < NGX_HTML_ENTITY_LEN) { | |
| 836 size += NGX_HTML_ENTITY_LEN; | |
| 837 } | |
| 838 | |
| 839 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 840 if (cl == NULL) { | |
| 841 return NULL; | |
| 842 } | |
| 843 | |
| 844 out = cl; | |
| 845 | |
| 846 b = cl->buf; | |
| 847 dst = b->pos; | |
| 848 | |
| 849 if (c) { | |
| 850 *dst++ = c; | |
| 851 | |
| 852 } else if (n == 0xfffffffe) { | |
| 853 *dst++ = '?'; | |
| 854 | |
| 855 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 856 "http charset invalid utf 0"); | |
| 857 | |
| 858 saved = &ctx->saved[NGX_UTF_LEN]; | |
| 859 | |
| 860 } else if (n > 0x10ffff) { | |
| 861 *dst++ = '?'; | |
| 862 | |
| 863 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 864 "http charset invalid utf 1"); | |
| 865 | |
| 866 } else { | |
| 867 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 868 } | |
| 869 | |
| 870 src += (saved - ctx->saved) - ctx->saved_len; | |
| 871 ctx->saved_len = 0; | |
| 872 | |
| 873 recode: | |
| 874 | |
| 875 ll = &cl->next; | |
| 876 | |
| 877 table = (u_char **) ctx->table; | |
| 878 | |
| 879 while (src < buf->last) { | |
| 880 | |
| 881 if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { | |
| 882 b->last = dst; | |
| 883 | |
| 884 size = buf->last - src + NGX_HTML_ENTITY_LEN; | |
| 885 | |
| 886 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 887 if (cl == NULL) { | |
| 888 return NULL; | |
| 889 } | |
| 890 | |
| 891 *ll = cl; | |
| 892 ll = &cl->next; | |
| 893 | |
| 894 b = cl->buf; | |
| 895 dst = b->pos; | |
| 896 } | |
| 897 | |
| 898 if (*src < 0x80) { | |
| 899 *dst++ = *src++; | |
| 900 continue; | |
| 901 } | |
| 902 | |
| 903 len = buf->last - src; | |
| 904 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
905 n = ngx_utf8_decode(&src, len); |
| 657 | 906 |
| 907 if (n < 0x10000) { | |
| 908 | |
| 909 p = table[n >> 8]; | |
| 910 | |
| 911 if (p) { | |
| 912 c = p[n & 0xff]; | |
| 913 | |
| 914 if (c) { | |
| 915 *dst++ = c; | |
| 916 continue; | |
| 917 } | |
| 918 } | |
| 919 | |
| 920 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 921 | |
| 922 continue; | |
| 923 } | |
| 924 | |
| 925 if (n == 0xfffffffe) { | |
| 926 /* incomplete UTF-8 symbol */ | |
| 927 | |
| 928 ngx_memcpy(ctx->saved, src, len); | |
| 929 ctx->saved_len = len; | |
| 930 | |
| 931 if (b->pos == dst) { | |
| 932 b->sync = 1; | |
| 933 b->temporary = 0; | |
| 934 } | |
| 935 | |
| 936 break; | |
| 937 } | |
| 938 | |
| 939 if (n > 0x10ffff) { | |
| 940 *dst++ = '?'; | |
| 941 | |
| 942 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 943 "http charset invalid utf 2"); | |
| 944 | |
| 945 continue; | |
| 946 } | |
| 947 | |
| 948 /* n > 0xffff */ | |
| 949 | |
| 950 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 951 } | |
| 952 | |
| 953 b->last = dst; | |
| 954 | |
| 955 b->last_buf = buf->last_buf; | |
| 956 b->last_in_chain = buf->last_in_chain; | |
| 957 b->flush = buf->flush; | |
| 958 | |
| 959 b->shadow = buf; | |
| 960 | |
| 961 return out; | |
| 962 } | |
| 963 | |
| 964 | |
| 965 static ngx_chain_t * | |
| 966 ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 967 ngx_http_charset_ctx_t *ctx) | |
| 968 { | |
| 969 size_t len, size; | |
| 970 u_char *p, *src, *dst, *table; | |
| 971 ngx_buf_t *b; | |
| 972 ngx_chain_t *out, *cl, **ll; | |
| 973 | |
| 974 table = ctx->table; | |
| 975 | |
| 976 for (src = buf->pos; src < buf->last; src++) { | |
| 977 if (table[*src * NGX_UTF_LEN] == '\1') { | |
| 978 continue; | |
| 979 } | |
| 980 | |
| 981 goto recode; | |
| 982 } | |
| 983 | |
| 984 out = ngx_alloc_chain_link(pool); | |
| 985 if (out == NULL) { | |
| 986 return NULL; | |
| 987 } | |
| 988 | |
| 989 out->buf = buf; | |
| 990 out->next = NULL; | |
| 991 | |
| 992 return out; | |
| 993 | |
| 994 recode: | |
| 995 | |
| 996 /* | |
| 997 * we assume that there are about half of characters to be recoded, | |
| 998 * so we preallocate "size / 2 + size / 2 * ctx->length" | |
| 999 */ | |
| 1000 | |
| 1001 len = src - buf->pos; | |
| 1002 | |
| 1003 if (len > 512) { | |
| 1004 out = ngx_http_charset_get_buf(pool, ctx); | |
| 1005 if (out == NULL) { | |
| 1006 return NULL; | |
| 1007 } | |
| 1008 | |
| 1009 b = out->buf; | |
| 1010 | |
| 1011 b->temporary = buf->temporary; | |
| 1012 b->memory = buf->memory; | |
| 1013 b->mmap = buf->mmap; | |
| 1014 b->flush = buf->flush; | |
| 1015 | |
| 1016 b->pos = buf->pos; | |
| 1017 b->last = src; | |
| 1018 | |
| 1019 out->buf = b; | |
| 1020 out->next = NULL; | |
| 1021 | |
| 1022 size = buf->last - src; | |
| 1023 size = size / 2 + size / 2 * ctx->length; | |
| 1024 | |
| 1025 } else { | |
| 1026 out = NULL; | |
| 1027 | |
| 1028 size = buf->last - src; | |
| 1029 size = len + size / 2 + size / 2 * ctx->length; | |
| 1030 | |
| 1031 src = buf->pos; | |
| 1032 } | |
| 1033 | |
| 1034 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 1035 if (cl == NULL) { | |
| 1036 return NULL; | |
| 1037 } | |
| 1038 | |
| 1039 if (out) { | |
| 1040 out->next = cl; | |
| 1041 | |
| 1042 } else { | |
| 1043 out = cl; | |
| 1044 } | |
| 1045 | |
| 1046 ll = &cl->next; | |
| 1047 | |
| 1048 b = cl->buf; | |
| 1049 dst = b->pos; | |
| 1050 | |
| 1051 while (src < buf->last) { | |
| 1052 | |
| 1053 p = &table[*src++ * NGX_UTF_LEN]; | |
| 1054 len = *p++; | |
| 1055 | |
| 1056 if ((size_t) (b->end - dst) < len) { | |
| 1057 b->last = dst; | |
| 1058 | |
| 1059 size = buf->last - src; | |
| 1060 size = len + size / 2 + size / 2 * ctx->length; | |
| 1061 | |
| 1062 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 1063 if (cl == NULL) { | |
| 1064 return NULL; | |
| 1065 } | |
| 1066 | |
| 1067 *ll = cl; | |
| 1068 ll = &cl->next; | |
| 1069 | |
| 1070 b = cl->buf; | |
| 1071 dst = b->pos; | |
| 1072 } | |
| 1073 | |
| 1074 while (len) { | |
| 1075 *dst++ = *p++; | |
| 1076 len--; | |
| 1077 } | |
| 1078 } | |
| 1079 | |
| 1080 b->last = dst; | |
| 1081 | |
| 1082 b->last_buf = buf->last_buf; | |
| 1083 b->last_in_chain = buf->last_in_chain; | |
| 1084 b->flush = buf->flush; | |
| 1085 | |
| 1086 b->shadow = buf; | |
| 1087 | |
| 1088 return out; | |
| 1089 } | |
| 1090 | |
| 1091 | |
| 1092 static ngx_chain_t * | |
| 1093 ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) | |
| 1094 { | |
| 1095 ngx_chain_t *cl; | |
| 1096 | |
| 1097 cl = ctx->free_bufs; | |
| 1098 | |
| 1099 if (cl) { | |
| 1100 ctx->free_bufs = cl->next; | |
| 1101 | |
| 1102 cl->buf->shadow = NULL; | |
| 1103 cl->next = NULL; | |
| 1104 | |
| 1105 return cl; | |
| 1106 } | |
| 1107 | |
| 1108 cl = ngx_alloc_chain_link(pool); | |
| 1109 if (cl == NULL) { | |
| 1110 return NULL; | |
| 1111 } | |
| 1112 | |
| 1113 cl->buf = ngx_calloc_buf(pool); | |
| 1114 if (cl->buf == NULL) { | |
| 1115 return NULL; | |
| 1116 } | |
| 1117 | |
| 1118 cl->next = NULL; | |
| 1119 | |
| 1120 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 1121 | |
| 1122 return cl; | |
| 1123 } | |
| 1124 | |
| 1125 | |
| 1126 static ngx_chain_t * | |
| 1127 ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, | |
| 1128 size_t size) | |
| 1129 { | |
| 1130 ngx_buf_t *b; | |
| 1131 ngx_chain_t *cl, **ll; | |
| 1132 | |
| 1133 for (ll = &ctx->free_buffers, cl = ctx->free_buffers; | |
| 1134 cl; | |
| 1135 ll = &cl->next, cl = cl->next) | |
| 1136 { | |
| 1137 b = cl->buf; | |
| 1138 | |
| 1139 if ((size_t) (b->end - b->start) >= size) { | |
| 1140 *ll = cl->next; | |
| 1141 cl->next = NULL; | |
| 1142 | |
| 1143 b->pos = b->start; | |
| 1144 b->temporary = 1; | |
| 1145 b->shadow = NULL; | |
| 1146 | |
| 1147 return cl; | |
| 1148 } | |
| 1149 } | |
| 1150 | |
| 1151 cl = ngx_alloc_chain_link(pool); | |
| 1152 if (cl == NULL) { | |
| 1153 return NULL; | |
| 1154 } | |
| 1155 | |
| 1156 cl->buf = ngx_create_temp_buf(pool, size); | |
| 1157 if (cl->buf == NULL) { | |
| 1158 return NULL; | |
| 1159 } | |
| 1160 | |
| 1161 cl->next = NULL; | |
| 1162 | |
| 1163 cl->buf->temporary = 1; | |
| 1164 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 1165 | |
| 1166 return cl; | |
| 1167 } | |
| 1168 | |
| 1169 | |
| 501 | 1170 static char * |
| 657 | 1171 ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
338
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parents:
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changeset
|
1172 { |
|
339
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|
1173 ngx_http_charset_main_conf_t *mcf = conf; |
|
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|
1174 |
| 657 | 1175 char *rv; |
| 1176 u_char *p, *dst2src, **pp; | |
| 1177 ngx_int_t src, dst; | |
| 1178 ngx_uint_t i, n; | |
| 1179 ngx_str_t *value; | |
| 1180 ngx_conf_t pvcf; | |
| 1181 ngx_http_charset_t *charset; | |
| 1182 ngx_http_charset_tables_t *table; | |
| 1183 ngx_http_charset_conf_ctx_t ctx; | |
|
339
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parents:
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changeset
|
1184 |
|
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parents:
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changeset
|
1185 value = cf->args->elts; |
|
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parents:
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|
1186 |
|
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|
1187 src = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
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parents:
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diff
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|
1188 if (src == NGX_ERROR) { |
|
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parents:
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diff
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|
1189 return NGX_CONF_ERROR; |
|
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parents:
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|
1190 } |
|
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parents:
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changeset
|
1191 |
|
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parents:
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diff
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|
1192 dst = ngx_http_add_charset(&mcf->charsets, &value[2]); |
|
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parents:
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|
1193 if (dst == NGX_ERROR) { |
|
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parents:
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|
1194 return NGX_CONF_ERROR; |
|
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parents:
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diff
changeset
|
1195 } |
|
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parents:
338
diff
changeset
|
1196 |
|
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parents:
338
diff
changeset
|
1197 if (src == dst) { |
|
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parents:
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diff
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|
1198 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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parents:
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diff
changeset
|
1199 "\"charset_map\" between the same charsets " |
| 461 | 1200 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
339
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parents:
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diff
changeset
|
1201 return NGX_CONF_ERROR; |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1202 } |
|
338
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parents:
307
diff
changeset
|
1203 |
|
339
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parents:
338
diff
changeset
|
1204 table = mcf->tables.elts; |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
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diff
changeset
|
1205 for (i = 0; i < mcf->tables.nelts; i++) { |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1206 if ((src == table->src && dst == table->dst) |
|
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parents:
338
diff
changeset
|
1207 || (src == table->dst && dst == table->src)) |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1208 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1209 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1210 "duplicate \"charset_map\" between " |
| 461 | 1211 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
339
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1212 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1213 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1214 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1215 |
| 501 | 1216 table = ngx_array_push(&mcf->tables); |
| 1217 if (table == NULL) { | |
|
339
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parents:
338
diff
changeset
|
1218 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1219 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1220 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1221 table->src = src; |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1222 table->dst = dst; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1223 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1224 if (ngx_strcasecmp(value[2].data, (u_char *) "utf-8") == 0) { |
| 657 | 1225 table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); |
| 1226 if (table->src2dst == NULL) { | |
| 1227 return NGX_CONF_ERROR; | |
| 1228 } | |
| 1229 | |
| 1230 table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); | |
| 1231 if (table->dst2src == NULL) { | |
| 1232 return NGX_CONF_ERROR; | |
| 1233 } | |
| 1234 | |
| 1235 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1236 if (dst2src == NULL) { | |
| 1237 return NGX_CONF_ERROR; | |
| 1238 } | |
| 1239 | |
| 1240 pp = (u_char **) &table->dst2src[0]; | |
| 1241 pp[0] = dst2src; | |
| 1242 | |
| 1243 for (i = 0; i < 128; i++) { | |
| 1244 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1245 p[0] = '\1'; | |
| 1246 p[1] = (u_char) i; | |
| 1247 dst2src[i] = (u_char) i; | |
| 1248 } | |
|
339
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parents:
338
diff
changeset
|
1249 |
| 657 | 1250 for (/* void */; i < 256; i++) { |
| 1251 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1252 p[0] = '\1'; | |
| 1253 p[1] = '?'; | |
| 1254 } | |
| 1255 | |
| 1256 } else { | |
| 1257 table->src2dst = ngx_palloc(cf->pool, 256); | |
| 1258 if (table->src2dst == NULL) { | |
| 1259 return NGX_CONF_ERROR; | |
| 1260 } | |
| 1261 | |
| 1262 table->dst2src = ngx_palloc(cf->pool, 256); | |
| 1263 if (table->dst2src == NULL) { | |
| 1264 return NGX_CONF_ERROR; | |
| 1265 } | |
| 1266 | |
| 1267 for (i = 0; i < 128; i++) { | |
| 1268 table->src2dst[i] = (u_char) i; | |
| 1269 table->dst2src[i] = (u_char) i; | |
| 1270 } | |
| 1271 | |
| 1272 for (/* void */; i < 256; i++) { | |
| 1273 table->src2dst[i] = '?'; | |
| 1274 table->dst2src[i] = '?'; | |
| 1275 } | |
|
339
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Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1276 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1277 |
| 657 | 1278 charset = mcf->charsets.elts; |
|
339
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parents:
338
diff
changeset
|
1279 |
| 657 | 1280 ctx.table = table; |
| 1281 ctx.charset = &charset[dst]; | |
| 1282 ctx.characters = 0; | |
|
339
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nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1283 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1284 pvcf = *cf; |
| 657 | 1285 cf->ctx = &ctx; |
| 1286 cf->handler = ngx_http_charset_map; | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1287 cf->handler_conf = conf; |
| 501 | 1288 |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1289 rv = ngx_conf_parse(cf, NULL); |
| 501 | 1290 |
|
339
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Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1291 *cf = pvcf; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1292 |
| 657 | 1293 if (ctx.characters) { |
| 1294 n = ctx.charset->length; | |
| 1295 ctx.charset->length /= ctx.characters; | |
| 1296 | |
| 1297 if (((n * 10) / ctx.characters) % 10 > 4) { | |
| 1298 ctx.charset->length++; | |
| 1299 } | |
| 1300 } | |
| 1301 | |
|
338
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Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1302 return rv; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1303 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1304 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1305 |
| 501 | 1306 static char * |
| 657 | 1307 ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) |
|
338
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Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1308 { |
| 657 | 1309 u_char *p, *dst2src, **pp; |
| 1310 uint32_t n; | |
| 1311 ngx_int_t src, dst; | |
| 1312 ngx_str_t *value; | |
| 1313 ngx_uint_t i; | |
| 1314 ngx_http_charset_tables_t *table; | |
| 1315 ngx_http_charset_conf_ctx_t *ctx; | |
|
338
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Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1316 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1317 if (cf->args->nelts != 2) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1318 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number"); |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1319 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
|
1320 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1321 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1322 value = cf->args->elts; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1323 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1324 src = ngx_hextoi(value[0].data, value[0].len); |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1325 if (src == NGX_ERROR || src > 255) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1326 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 461 | 1327 "invalid value \"%V\"", &value[0]); |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1328 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1329 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1330 |
| 657 | 1331 ctx = cf->ctx; |
| 1332 table = ctx->table; | |
| 1333 | |
| 1334 if (ctx->charset->utf8) { | |
| 1335 p = &table->src2dst[src * NGX_UTF_LEN]; | |
| 1336 | |
| 1337 *p++ = (u_char) (value[1].len / 2); | |
| 1338 | |
| 1339 for (i = 0; i < value[1].len; i += 2) { | |
| 1340 dst = ngx_hextoi(&value[1].data[i], 2); | |
| 1341 if (dst == NGX_ERROR || dst > 255) { | |
| 1342 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1343 "invalid value \"%V\"", &value[1]); | |
| 1344 return NGX_CONF_ERROR; | |
| 1345 } | |
| 1346 | |
| 1347 *p++ = (u_char) dst; | |
| 1348 } | |
| 1349 | |
| 1350 i /= 2; | |
| 1351 | |
| 1352 ctx->charset->length += i; | |
| 1353 ctx->characters++; | |
| 1354 | |
| 1355 p = &table->src2dst[src * NGX_UTF_LEN] + 1; | |
| 1356 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
1357 n = ngx_utf8_decode(&p, i); |
| 657 | 1358 |
| 1359 if (n > 0xffff) { | |
| 1360 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1361 "invalid value \"%V\"", &value[1]); | |
| 1362 return NGX_CONF_ERROR; | |
| 1363 } | |
| 1364 | |
| 1365 pp = (u_char **) &table->dst2src[0]; | |
| 1366 | |
| 1367 dst2src = pp[n >> 8]; | |
| 1368 | |
| 1369 if (dst2src == NULL) { | |
| 1370 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1371 if (dst2src == NULL) { | |
| 1372 return NGX_CONF_ERROR; | |
| 1373 } | |
| 1374 | |
| 1375 pp[n >> 8] = dst2src; | |
| 1376 } | |
| 1377 | |
| 1378 dst2src[n & 0xff] = (u_char) src; | |
| 1379 | |
| 1380 } else { | |
| 1381 dst = ngx_hextoi(value[1].data, value[1].len); | |
| 1382 if (dst == NGX_ERROR || dst > 255) { | |
| 1383 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1384 "invalid value \"%V\"", &value[1]); | |
| 1385 return NGX_CONF_ERROR; | |
| 1386 } | |
| 1387 | |
| 1388 table->src2dst[src] = (u_char) dst; | |
| 1389 table->dst2src[dst] = (u_char) src; | |
|
338
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307
diff
changeset
|
1390 } |
|
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307
diff
changeset
|
1391 |
|
339
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diff
changeset
|
1392 return NGX_CONF_OK; |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1393 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1394 |
|
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parents:
338
diff
changeset
|
1395 |
| 501 | 1396 static char * |
| 1397 ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
339
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parents:
338
diff
changeset
|
1398 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1399 char *p = conf; |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1400 |
|
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parents:
338
diff
changeset
|
1401 ngx_int_t *cp; |
|
752
907361d07f25
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parents:
681
diff
changeset
|
1402 ngx_str_t *value, var; |
|
339
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parents:
338
diff
changeset
|
1403 ngx_http_charset_main_conf_t *mcf; |
|
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parents:
338
diff
changeset
|
1404 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1405 cp = (ngx_int_t *) (p + cmd->offset); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1406 |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1407 if (*cp != NGX_CONF_UNSET) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1408 return "is duplicate"; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1409 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1410 |
| 529 | 1411 value = cf->args->elts; |
| 1412 | |
| 1413 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) | |
| 1414 && ngx_strcmp(value[1].data, "off") == 0) | |
| 1415 { | |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1416 *cp = NGX_HTTP_CHARSET_OFF; |
| 529 | 1417 return NGX_CONF_OK; |
| 1418 } | |
| 1419 | |
|
752
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1420 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1421 if (value[1].data[0] == '$') { |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1422 var.len = value[1].len - 1; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1423 var.data = value[1].data + 1; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1424 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1425 *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
|
1426 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1427 if (*cp == NGX_ERROR) { |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1428 return NGX_CONF_ERROR; |
|
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 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1431 *cp += NGX_HTTP_CHARSET_VAR; |
|
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 return NGX_CONF_OK; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1434 } |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1435 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1436 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
|
1437 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
|
1438 |
|
339
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1439 *cp = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1440 if (*cp == NGX_ERROR) { |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1441 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
|
1442 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1443 |
|
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_OK; |
|
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 |
| 501 | 1448 static ngx_int_t |
| 1449 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
|
1450 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1451 ngx_uint_t i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1452 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
|
1453 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1454 c = charsets->elts; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1455 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
|
1456 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
|
1457 continue; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1458 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1459 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1460 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
|
1461 break; |
|
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 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1464 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1465 if (i < charsets->nelts) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1466 return i; |
|
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 |
| 501 | 1469 c = ngx_array_push(charsets); |
| 1470 if (c == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1471 return NGX_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1472 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1473 |
| 455 | 1474 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
|
1475 c->name = *name; |
| 657 | 1476 c->length = 0; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1477 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1478 if (ngx_strcasecmp(name->data, (u_char *) "utf-8") == 0) { |
| 523 | 1479 c->utf8 = 1; |
| 667 | 1480 |
| 1481 } else { | |
| 1482 c->utf8 = 0; | |
| 523 | 1483 } |
| 1484 | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1485 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1486 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1487 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1488 |
| 501 | 1489 static void * |
| 1490 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
|
1491 { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1492 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
|
1493 |
| 501 | 1494 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); |
| 1495 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
|
1496 return NULL; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1497 } |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1498 |
| 501 | 1499 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
|
1500 != NGX_OK) |
| 501 | 1501 { |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1502 return NULL; |
| 501 | 1503 } |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1504 |
| 529 | 1505 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
|
1506 sizeof(ngx_http_charset_tables_t)) |
|
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1507 != NGX_OK) |
| 501 | 1508 { |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1509 return NULL; |
| 501 | 1510 } |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1511 |
| 529 | 1512 if (ngx_array_init(&mcf->recodes, cf->pool, 2, |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
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2414
diff
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|
1513 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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|
1514 != NGX_OK) |
| 529 | 1515 { |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
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parents:
2891
diff
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|
1516 return NULL; |
| 529 | 1517 } |
| 1518 | |
|
338
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|
1519 return mcf; |
|
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|
1520 } |
|
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|
1521 |
|
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nginx-0.0.3-2004-05-20-21:33:52 import
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|
1522 |
| 501 | 1523 static void * |
| 1524 ngx_http_charset_create_loc_conf(ngx_conf_t *cf) | |
|
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1525 { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1526 ngx_http_charset_loc_conf_t *lcf; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1527 |
| 501 | 1528 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); |
| 1529 if (lcf == NULL) { | |
|
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parents:
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|
1530 return NULL; |
|
339
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nginx-0.0.3-2004-05-21-20:12:13 import
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338
diff
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|
1531 } |
|
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|
1532 |
| 2167 | 1533 /* |
| 1534 * set by ngx_pcalloc(): | |
| 1535 * | |
| 1536 * lcf->types = { NULL }; | |
| 1537 * lcf->types_keys = NULL; | |
| 1538 */ | |
| 1539 | |
| 529 | 1540 lcf->charset = NGX_CONF_UNSET; |
|
339
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1541 lcf->source_charset = NGX_CONF_UNSET; |
| 635 | 1542 lcf->override_charset = NGX_CONF_UNSET; |
|
99
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|
1543 |
|
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nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
1544 return lcf; |
|
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
1545 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
1546 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
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|
1547 |
| 501 | 1548 static char * |
| 1549 ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
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|
1550 { |
|
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1551 ngx_http_charset_loc_conf_t *prev = parent; |
|
a059e1aa65d4
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diff
changeset
|
1552 ngx_http_charset_loc_conf_t *conf = child; |
|
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|
1553 |
| 529 | 1554 ngx_uint_t i; |
| 1555 ngx_http_charset_recode_t *recode; | |
| 1556 ngx_http_charset_main_conf_t *mcf; | |
| 477 | 1557 |
|
3372
6b8e5c882e47
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1558 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, |
|
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
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diff
changeset
|
1559 &prev->types_keys, &prev->types, |
|
2175
a69886fc2864
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1560 ngx_http_charset_default_types) |
|
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diff
changeset
|
1561 != NGX_OK) |
|
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1562 { |
|
a69886fc2864
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1563 return NGX_CONF_ERROR; |
|
a69886fc2864
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1564 } |
|
a69886fc2864
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diff
changeset
|
1565 |
| 635 | 1566 ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
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parents:
2877
diff
changeset
|
1567 ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_CHARSET_OFF); |
|
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1568 ngx_conf_merge_value(conf->source_charset, prev->source_charset, |
|
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1569 NGX_HTTP_CHARSET_OFF); |
| 477 | 1570 |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1571 if (conf->charset == NGX_HTTP_CHARSET_OFF |
|
0bb8c54f4c45
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parents:
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diff
changeset
|
1572 || conf->source_charset == NGX_HTTP_CHARSET_OFF |
| 529 | 1573 || conf->charset == conf->source_charset) |
| 477 | 1574 { |
| 529 | 1575 return NGX_CONF_OK; |
| 477 | 1576 } |
| 1577 | |
| 1590 | 1578 if (conf->source_charset >= NGX_HTTP_CHARSET_VAR |
| 1579 || conf->charset >= NGX_HTTP_CHARSET_VAR) | |
| 1580 { | |
| 1581 return NGX_CONF_OK; | |
| 1582 } | |
| 1583 | |
| 529 | 1584 mcf = ngx_http_conf_get_module_main_conf(cf, |
| 1585 ngx_http_charset_filter_module); | |
| 1586 recode = mcf->recodes.elts; | |
| 1587 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1588 if (conf->source_charset == recode[i].src | |
| 1589 && conf->charset == recode[i].dst) | |
| 1590 { | |
| 1591 return NGX_CONF_OK; | |
| 1592 } | |
| 477 | 1593 } |
| 1594 | |
| 529 | 1595 recode = ngx_array_push(&mcf->recodes); |
| 1596 if (recode == NULL) { | |
| 477 | 1597 return NGX_CONF_ERROR; |
| 1598 } | |
|
340
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nginx-0.0.3-2004-05-25-19:28:46 import
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parents:
339
diff
changeset
|
1599 |
| 529 | 1600 recode->src = conf->source_charset; |
| 1601 recode->dst = conf->charset; | |
| 1602 | |
|
99
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parents:
diff
changeset
|
1603 return NGX_CONF_OK; |
|
a059e1aa65d4
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parents:
diff
changeset
|
1604 } |
| 529 | 1605 |
| 1606 | |
| 1607 static ngx_int_t | |
| 1608 ngx_http_charset_postconfiguration(ngx_conf_t *cf) | |
| 1609 { | |
| 635 | 1610 u_char **src, **dst; |
| 529 | 1611 ngx_int_t c; |
| 1612 ngx_uint_t i, t; | |
| 1613 ngx_http_charset_t *charset; | |
| 1614 ngx_http_charset_recode_t *recode; | |
| 1615 ngx_http_charset_tables_t *tables; | |
| 1616 ngx_http_charset_main_conf_t *mcf; | |
| 1617 | |
| 1618 mcf = ngx_http_conf_get_module_main_conf(cf, | |
| 1619 ngx_http_charset_filter_module); | |
| 1620 | |
| 1621 recode = mcf->recodes.elts; | |
| 1622 tables = mcf->tables.elts; | |
| 1623 charset = mcf->charsets.elts; | |
| 1624 | |
| 1625 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1626 | |
| 1627 c = recode[i].src; | |
| 1628 | |
| 1629 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1630 | |
| 1631 if (c == tables[t].src && recode[i].dst == tables[t].dst) { | |
| 1632 goto next; | |
| 1633 } | |
| 1634 | |
| 1635 if (c == tables[t].dst && recode[i].dst == tables[t].src) { | |
| 1636 goto next; | |
| 1637 } | |
| 1638 } | |
| 1639 | |
| 1640 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1588 | 1641 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
| 1642 &charset[c].name, &charset[recode[i].dst].name); | |
| 529 | 1643 return NGX_ERROR; |
| 1644 | |
| 1645 next: | |
| 1646 continue; | |
| 1647 } | |
| 1648 | |
| 635 | 1649 |
| 1650 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1651 | |
| 1652 src = charset[tables[t].src].tables; | |
| 1653 | |
| 1654 if (src == NULL) { | |
| 1655 src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1656 if (src == NULL) { | |
| 1657 return NGX_ERROR; | |
| 1658 } | |
| 1659 | |
| 1660 charset[tables[t].src].tables = src; | |
| 1661 } | |
| 1662 | |
| 1663 dst = charset[tables[t].dst].tables; | |
| 1664 | |
| 1665 if (dst == NULL) { | |
| 1666 dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1667 if (dst == NULL) { | |
| 1668 return NGX_ERROR; | |
| 1669 } | |
| 1670 | |
| 1671 charset[tables[t].dst].tables = dst; | |
| 1672 } | |
| 1673 | |
| 1674 src[tables[t].dst] = tables[t].src2dst; | |
| 1675 dst[tables[t].src] = tables[t].dst2src; | |
| 1676 } | |
| 1677 | |
| 681 | 1678 ngx_http_next_header_filter = ngx_http_top_header_filter; |
| 1679 ngx_http_top_header_filter = ngx_http_charset_header_filter; | |
| 1680 | |
| 1681 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
| 1682 ngx_http_top_body_filter = ngx_http_charset_body_filter; | |
| 1683 | |
| 529 | 1684 return NGX_OK; |
| 1685 } |