Klaus Demo nginx / 5ad1d4b
ngx_http_charset_module supports the variables Igor Sysoev 15 years ago
1 changed file(s) with 56 addition(s) and 13 deletion(s). Raw diff Collapse all Expand all
+56
-13
src/http/modules/ngx_http_charset_filter_module.c less more
99
1010
1111 #define NGX_HTTP_NO_CHARSET -2
12 #define NGX_HTTP_CHARSET_VAR 0x10000
1213
1314 /* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */
1415 #define NGX_UTF_LEN 4
7879
7980
8081 static ngx_int_t ngx_http_charset_get_charset(ngx_http_charset_t *charsets,
81 ngx_uint_t n, u_char *charset);
82 ngx_uint_t n, ngx_str_t *charset);
8283 static ngx_int_t ngx_http_charset_set_charset(ngx_http_request_t *r,
8384 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset);
8485 static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table);
189190 ngx_uint_t n;
190191 ngx_http_charset_t *charsets;
191192 ngx_http_charset_ctx_t *ctx;
193 ngx_http_variable_value_t *vv;
192194 ngx_http_charset_loc_conf_t *lcf, *mlcf;
193195 ngx_http_charset_main_conf_t *mcf;
194196
209211 && r->headers_out.override_charset->len)
210212 {
211213 charset = ngx_http_charset_get_charset(charsets, n,
212 r->headers_out.override_charset->data);
214 r->headers_out.override_charset);
213215
214216 if (charset == NGX_HTTP_NO_CHARSET) {
215217 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
242244 return ngx_http_next_header_filter(r);
243245 }
244246 }
247
248 if (charset >= NGX_HTTP_CHARSET_VAR) {
249 vv = ngx_http_get_indexed_variable(r,
250 charset - NGX_HTTP_CHARSET_VAR);
251
252 charset = ngx_http_charset_get_charset(charsets, n,
253 (ngx_str_t *) vv);
254 }
245255 }
246256
247257 } else {
262272
263273 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module);
264274
265 charset = ngx_http_charset_get_charset(charsets, n, mc->data);
275 charset = ngx_http_charset_get_charset(charsets, n, mc);
266276
267277 ctx->charset = charset;
268278
276286 if (r->headers_out.charset.len == 0) {
277287 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module);
278288
289 source_charset = lcf->source_charset;
290
291 if (source_charset >= NGX_HTTP_CHARSET_VAR) {
292 vv = ngx_http_get_indexed_variable(r,
293 source_charset - NGX_HTTP_CHARSET_VAR);
294
295 source_charset = ngx_http_charset_get_charset(charsets, n,
296 (ngx_str_t *) vv);
297 }
298
279299 if (charset != NGX_HTTP_NO_CHARSET) {
280300 return ngx_http_charset_set_charset(r, mcf->charsets.elts, charset,
281 lcf->source_charset);
282 }
283
284 if (lcf->source_charset == NGX_CONF_UNSET) {
301 source_charset);
302 }
303
304 if (source_charset == NGX_CONF_UNSET) {
285305 return ngx_http_next_header_filter(r);
286306 }
287307
288 from = &charsets[lcf->source_charset].name;
308 from = &charsets[source_charset].name;
289309 to = &r->main->headers_out.charset;
290310
291311 goto no_charset_map;
292312 }
293313
294314 source_charset = ngx_http_charset_get_charset(charsets, n,
295 r->headers_out.charset.data);
315 &r->headers_out.charset);
296316
297317 if (charset == NGX_HTTP_NO_CHARSET
298318 || source_charset == NGX_HTTP_NO_CHARSET)
340360
341361 static ngx_int_t
342362 ngx_http_charset_get_charset(ngx_http_charset_t *charsets, ngx_uint_t n,
343 u_char *charset)
344 {
363 ngx_str_t *charset)
364 {
365 size_t len;
345366 ngx_uint_t i;
346367
368 len = charset->len & 0xffff;
369
347370 for (i = 0; i < n; i++) {
348 if (ngx_strcasecmp(charsets[i].name.data, charset) == 0) {
371 if (charsets[i].name.len != len) {
372 continue;
373 }
374
375 if (ngx_strncasecmp(charsets[i].name.data, charset->data, len) == 0) {
349376 return i;
350377 }
351378 }
12601287 char *p = conf;
12611288
12621289 ngx_int_t *cp;
1263 ngx_str_t *value;
1290 ngx_str_t *value, var;
12641291 ngx_http_charset_main_conf_t *mcf;
12651292
12661293 cp = (ngx_int_t *) (p + cmd->offset);
12751302 && ngx_strcmp(value[1].data, "off") == 0)
12761303 {
12771304 *cp = NGX_HTTP_NO_CHARSET;
1305 return NGX_CONF_OK;
1306 }
1307
1308
1309 if (value[1].data[0] == '$') {
1310 var.len = value[1].len - 1;
1311 var.data = value[1].data + 1;
1312
1313 *cp = ngx_http_get_variable_index(cf, &var);
1314
1315 if (*cp == NGX_ERROR) {
1316 return NGX_CONF_ERROR;
1317 }
1318
1319 *cp += NGX_HTTP_CHARSET_VAR;
1320
12781321 return NGX_CONF_OK;
12791322 }
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