Mercurial > hg > nginx
annotate src/http/modules/ngx_http_xslt_filter_module.c @ 2154:4f48a2765da0
reuse compiled XSLT tree in different locations
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 05 Aug 2008 14:27:49 +0000 |
parents | 6476e445d6ce |
children | 0c6d0bd60579 |
rev | line source |
---|---|
2139 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 #include <libxml/parser.h> | |
12 #include <libxml/tree.h> | |
13 #include <libxslt/xslt.h> | |
14 #include <libxslt/xsltInternals.h> | |
15 #include <libxslt/transform.h> | |
16 #include <libxslt/xsltutils.h> | |
17 | |
18 | |
19 #ifndef NGX_HTTP_XSLT_REUSE_DTD | |
20 #define NGX_HTTP_XSLT_REUSE_DTD 1 | |
21 #endif | |
22 | |
23 | |
24 typedef struct { | |
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25 u_char *name; |
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26 xsltStylesheetPtr stylesheet; |
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27 } ngx_http_xslt_sheet_file_t; |
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28 |
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29 |
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30 typedef struct { |
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31 ngx_array_t sheet_files; /* ngx_http_xslt_sheet_file_t */ |
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32 } ngx_http_xslt_filter_main_conf_t; |
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33 |
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34 |
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35 typedef struct { |
2139 | 36 ngx_array_t *lengths; |
37 ngx_array_t *values; | |
38 } ngx_http_xslt_param_t; | |
39 | |
40 | |
41 typedef struct { | |
42 xsltStylesheetPtr stylesheet; | |
43 ngx_array_t params; /* ngx_http_xslt_param_t */ | |
44 } ngx_http_xslt_sheet_t; | |
45 | |
46 | |
47 typedef struct { | |
48 xmlDtdPtr dtd; | |
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49 ngx_array_t sheets; /* ngx_http_xslt_sheet_t */ |
2148 | 50 ngx_hash_t types; |
51 ngx_array_t *types_keys; | |
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52 } ngx_http_xslt_filter_loc_conf_t; |
2139 | 53 |
54 | |
55 typedef struct { | |
56 xmlDocPtr doc; | |
57 xmlParserCtxtPtr ctxt; | |
58 xmlSAXHandler *sax; | |
59 ngx_http_request_t *request; | |
60 ngx_array_t params; | |
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61 |
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62 ngx_uint_t done; /* unsigned done:1; */ |
2139 | 63 } ngx_http_xslt_filter_ctx_t; |
64 | |
65 | |
66 static ngx_int_t ngx_http_xslt_send(ngx_http_request_t *r, | |
67 ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); | |
68 static ngx_int_t ngx_http_xslt_filter_internal_error(ngx_http_request_t *r); | |
69 static ngx_int_t ngx_http_xslt_add_chunk(ngx_http_request_t *r, | |
70 ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); | |
71 | |
72 | |
73 static void ngx_http_xslt_sax_start_document(void *data); | |
74 static void ngx_http_xslt_sax_end_document(void *data); | |
75 static void ngx_http_xslt_sax_internal_subset(void *data, const xmlChar *name, | |
76 const xmlChar *externalId, const xmlChar *systemId); | |
77 static void ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, | |
78 const xmlChar *externalId, const xmlChar *systemId); | |
79 static void ngx_http_xslt_sax_entity_decl(void *data, const xmlChar *name, | |
80 int type, const xmlChar *publicId, const xmlChar *systemId, | |
81 xmlChar *content); | |
82 static void ngx_http_xslt_sax_attribute_decl(void *data, const xmlChar *elem, | |
83 const xmlChar *fullname, int type, int def, const xmlChar *defaultValue, | |
84 xmlEnumerationPtr tree); | |
85 static void ngx_http_xslt_sax_element_decl(void *data, const xmlChar * name, | |
86 int type, xmlElementContentPtr content); | |
87 static void ngx_http_xslt_sax_notation_decl(void *data, const xmlChar *name, | |
88 const xmlChar *publicId, const xmlChar *systemId); | |
89 static void ngx_http_xslt_sax_unparsed_entity_decl(void *data, | |
90 const xmlChar *name, const xmlChar *publicId, const xmlChar *systemId, | |
91 const xmlChar *notationName); | |
92 static void ngx_http_xslt_sax_start_element(void *data, | |
93 const xmlChar *localname, const xmlChar *prefix, const xmlChar *URI, | |
94 int nb_namespaces, const xmlChar **namespaces, int nb_attributes, | |
95 int nb_defaulted, const xmlChar **attributes); | |
96 static void ngx_http_xslt_sax_end_element(void *data, | |
97 const xmlChar * localname ATTRIBUTE_UNUSED, | |
98 const xmlChar * prefix ATTRIBUTE_UNUSED, | |
99 const xmlChar * URI ATTRIBUTE_UNUSED); | |
100 static void ngx_http_xslt_sax_characters(void *data, const xmlChar *p, int len); | |
101 static void ngx_http_xslt_sax_cdata_block(void *data, const xmlChar *p, | |
102 int len); | |
103 static xmlEntityPtr ngx_http_xslt_sax_get_entity(void *data, | |
104 const xmlChar *name); | |
105 static xmlEntityPtr ngx_http_xslt_sax_get_parameter_entity(void *data, | |
106 const xmlChar *name); | |
107 static xmlParserInputPtr ngx_http_xslt_sax_resolve_entity(void *data, | |
108 const xmlChar *publicId, const xmlChar *systemId); | |
109 static void ngx_http_xslt_sax_reference(void *data, const xmlChar *name); | |
110 static void ngx_http_xslt_sax_comment(void *data, const xmlChar *value); | |
111 static void ngx_http_xslt_sax_processing_instruction(void *data, | |
112 const xmlChar *target, const xmlChar *pidata); | |
113 static int ngx_http_xslt_sax_is_standalone(void *data); | |
114 static int ngx_http_xslt_sax_has_internal_subset(void *data); | |
115 static int ngx_http_xslt_sax_has_external_subset(void *data); | |
116 static void ngx_cdecl ngx_http_xslt_sax_error(void *data, const char *msg, ...); | |
117 | |
118 | |
119 static ngx_buf_t *ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, | |
120 ngx_http_xslt_filter_ctx_t *ctx); | |
121 static ngx_int_t ngx_http_xslt_params(ngx_http_request_t *r, | |
122 ngx_http_xslt_filter_ctx_t *ctx, ngx_array_t *params); | |
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6476e445d6ce
xsl:output's media-type and encoding support
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parents:
2152
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changeset
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123 static u_char *ngx_http_xslt_content_type(xsltStylesheetPtr s); |
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parents:
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124 static u_char *ngx_http_xslt_encoding(xsltStylesheetPtr s); |
2139 | 125 static void ngx_http_xslt_cleanup(void *data); |
126 | |
127 static char *ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, | |
128 void *conf); | |
129 static char *ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, | |
130 void *conf); | |
131 static void ngx_http_xslt_cleanup_stylesheet(void *data); | |
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132 static void *ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf); |
2139 | 133 static void *ngx_http_xslt_filter_create_conf(ngx_conf_t *cf); |
134 static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, | |
135 void *child); | |
136 static ngx_int_t ngx_http_xslt_filter_init(ngx_conf_t *cf); | |
137 | |
138 | |
139 ngx_str_t ngx_http_xslt_default_types[] = { | |
140 ngx_string("text/xml"), | |
141 ngx_null_string | |
142 }; | |
143 | |
144 | |
145 static ngx_command_t ngx_http_xslt_filter_commands[] = { | |
146 | |
147 { ngx_string("xml_entities"), | |
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
2139 | 149 ngx_http_xslt_entities, |
150 NGX_HTTP_LOC_CONF_OFFSET, | |
151 0, | |
152 NULL }, | |
153 | |
154 { ngx_string("xslt_stylesheet"), | |
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155 NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
2139 | 156 ngx_http_xslt_stylesheet, |
157 NGX_HTTP_LOC_CONF_OFFSET, | |
158 0, | |
159 NULL }, | |
160 | |
161 { ngx_string("xslt_types"), | |
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162 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
2139 | 163 ngx_http_types_slot, |
164 NGX_HTTP_LOC_CONF_OFFSET, | |
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165 offsetof(ngx_http_xslt_filter_loc_conf_t, types_keys), |
2139 | 166 &ngx_http_xslt_default_types[0] }, |
167 | |
168 ngx_null_command | |
169 }; | |
170 | |
171 | |
172 static ngx_http_module_t ngx_http_xslt_filter_module_ctx = { | |
173 NULL, /* preconfiguration */ | |
174 ngx_http_xslt_filter_init, /* postconfiguration */ | |
175 | |
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parents:
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176 ngx_http_xslt_filter_create_main_conf, /* create main configuration */ |
2139 | 177 NULL, /* init main configuration */ |
178 | |
179 NULL, /* create server configuration */ | |
180 NULL, /* merge server configuration */ | |
181 | |
182 ngx_http_xslt_filter_create_conf, /* create location configuration */ | |
183 ngx_http_xslt_filter_merge_conf /* merge location configuration */ | |
184 }; | |
185 | |
186 | |
187 ngx_module_t ngx_http_xslt_filter_module = { | |
188 NGX_MODULE_V1, | |
189 &ngx_http_xslt_filter_module_ctx, /* module context */ | |
190 ngx_http_xslt_filter_commands, /* module directives */ | |
191 NGX_HTTP_MODULE, /* module type */ | |
192 NULL, /* init master */ | |
193 NULL, /* init module */ | |
194 NULL, /* init process */ | |
195 NULL, /* init thread */ | |
196 NULL, /* exit thread */ | |
197 NULL, /* exit process */ | |
198 NULL, /* exit master */ | |
199 NGX_MODULE_V1_PADDING | |
200 }; | |
201 | |
202 | |
203 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; | |
204 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; | |
205 | |
206 | |
207 static ngx_int_t | |
208 ngx_http_xslt_header_filter(ngx_http_request_t *r) | |
209 { | |
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210 ngx_http_xslt_filter_ctx_t *ctx; |
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211 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 212 |
213 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
214 "xslt filter header"); | |
215 | |
216 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { | |
217 return ngx_http_next_header_filter(r); | |
218 } | |
219 | |
220 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
221 | |
222 if (conf->sheets.nelts == 0 | |
2148 | 223 || ngx_http_test_content_type(r, &conf->types) == NULL) |
2139 | 224 { |
225 return ngx_http_next_header_filter(r); | |
226 } | |
227 | |
228 ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); | |
229 | |
230 if (ctx) { | |
231 return ngx_http_next_header_filter(r); | |
232 } | |
233 | |
234 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_xslt_filter_ctx_t)); | |
235 if (ctx == NULL) { | |
236 return NGX_ERROR; | |
237 } | |
238 | |
239 ngx_http_set_ctx(r, ctx, ngx_http_xslt_filter_module); | |
240 | |
241 r->main_filter_need_in_memory = 1; | |
242 | |
243 return NGX_OK; | |
244 } | |
245 | |
246 | |
247 static ngx_int_t | |
248 ngx_http_xslt_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
249 { | |
250 ngx_chain_t *cl; | |
251 ngx_http_xslt_filter_ctx_t *ctx; | |
252 | |
253 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
254 "xslt filter body"); | |
255 | |
256 if (in == NULL) { | |
257 return ngx_http_next_body_filter(r, in); | |
258 } | |
259 | |
260 ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); | |
261 | |
262 if (ctx == NULL || ctx->done) { | |
263 return ngx_http_next_body_filter(r, in); | |
264 } | |
265 | |
266 for (cl = in; cl; cl = cl->next) { | |
267 | |
268 if (ngx_http_xslt_add_chunk(r, ctx, cl->buf) != NGX_OK) { | |
269 | |
270 if (ctx->ctxt->myDoc){ | |
271 | |
272 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
273 ctx->ctxt->myDoc->extSubset = NULL; | |
274 #endif | |
275 xmlFreeDoc(ctx->ctxt->myDoc); | |
276 } | |
277 | |
278 xmlFreeParserCtxt(ctx->ctxt); | |
279 | |
280 return ngx_http_xslt_send(r, ctx, NULL); | |
281 } | |
282 | |
283 if (cl->buf->last_buf) { | |
284 | |
285 ctx->doc = ctx->ctxt->myDoc; | |
286 | |
287 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
288 ctx->doc->extSubset = NULL; | |
289 #endif | |
290 | |
291 xmlFreeParserCtxt(ctx->ctxt); | |
292 | |
293 if (ctx->ctxt->wellFormed) { | |
294 return ngx_http_xslt_send(r, ctx, | |
295 ngx_http_xslt_apply_stylesheet(r, ctx)); | |
296 } | |
297 | |
298 xmlFreeDoc(ctx->doc); | |
299 | |
300 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
301 "not well formed XML document"); | |
302 | |
303 return ngx_http_xslt_send(r, ctx, NULL); | |
304 } | |
305 } | |
306 | |
307 return NGX_OK; | |
308 } | |
309 | |
310 | |
311 static ngx_int_t | |
312 ngx_http_xslt_send(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
313 ngx_buf_t *b) | |
314 { | |
315 ngx_int_t rc; | |
316 ngx_chain_t out; | |
317 ngx_pool_cleanup_t *cln; | |
318 | |
319 ctx->done = 1; | |
320 | |
321 if (b == NULL) { | |
322 return ngx_http_xslt_filter_internal_error(r); | |
323 } | |
324 | |
325 cln = ngx_pool_cleanup_add(r->pool, 0); | |
326 | |
327 if (cln == NULL) { | |
328 ngx_free(b->pos); | |
329 return ngx_http_special_response_handler(r, | |
330 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
331 } | |
332 | |
333 r->headers_out.content_length_n = b->last - b->pos; | |
334 | |
335 if (r->headers_out.content_length) { | |
336 r->headers_out.content_length->hash = 0; | |
337 r->headers_out.content_length = NULL; | |
338 } | |
339 | |
340 r->allow_ranges = 1; | |
341 | |
342 rc = ngx_http_next_header_filter(r); | |
343 | |
344 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
345 ngx_free(b->pos); | |
346 return rc; | |
347 } | |
348 | |
349 cln->handler = ngx_http_xslt_cleanup; | |
350 cln->data = b->pos; | |
351 | |
352 out.buf = b; | |
353 out.next = NULL; | |
354 | |
355 return ngx_http_next_body_filter(r, &out); | |
356 } | |
357 | |
358 | |
359 static ngx_int_t | |
360 ngx_http_xslt_filter_internal_error(ngx_http_request_t *r) | |
361 { | |
362 ngx_int_t rc; | |
363 | |
364 /* clear the modules contexts */ | |
365 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); | |
366 | |
367 rc = ngx_http_special_response_handler(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
368 | |
369 /* NGX_ERROR resets any pending data */ | |
370 | |
371 return (rc == NGX_OK) ? NGX_ERROR : rc; | |
372 } | |
373 | |
374 | |
375 static ngx_int_t | |
376 ngx_http_xslt_add_chunk(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
377 ngx_buf_t *b) | |
378 { | |
379 int err; | |
380 xmlSAXHandler *sax; | |
381 xmlParserCtxtPtr ctxt; | |
382 | |
383 if (ctx->ctxt == NULL) { | |
384 | |
385 ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL); | |
386 if (ctxt == NULL) { | |
387 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
388 "xmlCreatePushParserCtxt() failed"); | |
389 return NGX_ERROR; | |
390 } | |
391 | |
392 ctx->sax = ngx_palloc(r->pool, sizeof(xmlSAXHandler)); | |
393 if (ctx->sax == NULL) { | |
394 return NGX_ERROR; | |
395 } | |
396 | |
397 sax = ctxt->sax; | |
398 | |
399 ngx_memcpy(ctx->sax, sax, sizeof(xmlSAXHandler)); | |
400 | |
401 sax->startDocument = ngx_http_xslt_sax_start_document; | |
402 sax->endDocument = ngx_http_xslt_sax_end_document; | |
403 | |
404 sax->internalSubset = ngx_http_xslt_sax_internal_subset; | |
405 sax->externalSubset = ngx_http_xslt_sax_external_subset; | |
406 sax->entityDecl = ngx_http_xslt_sax_entity_decl; | |
407 sax->attributeDecl = ngx_http_xslt_sax_attribute_decl; | |
408 sax->elementDecl = ngx_http_xslt_sax_element_decl; | |
409 sax->notationDecl = ngx_http_xslt_sax_notation_decl; | |
410 sax->unparsedEntityDecl = ngx_http_xslt_sax_unparsed_entity_decl; | |
411 sax->setDocumentLocator = NULL; | |
412 | |
413 sax->startElementNs = ngx_http_xslt_sax_start_element; | |
414 sax->endElementNs = ngx_http_xslt_sax_end_element; | |
415 | |
416 sax->characters = ngx_http_xslt_sax_characters; | |
417 sax->ignorableWhitespace = ngx_http_xslt_sax_characters; | |
418 sax->cdataBlock = ngx_http_xslt_sax_cdata_block; | |
419 sax->getEntity = ngx_http_xslt_sax_get_entity; | |
420 sax->resolveEntity = ngx_http_xslt_sax_resolve_entity; | |
421 sax->getParameterEntity = ngx_http_xslt_sax_get_parameter_entity; | |
422 sax->reference = ngx_http_xslt_sax_reference; | |
423 sax->comment = ngx_http_xslt_sax_comment; | |
424 sax->processingInstruction = ngx_http_xslt_sax_processing_instruction; | |
425 | |
426 sax->isStandalone = ngx_http_xslt_sax_is_standalone; | |
427 sax->hasInternalSubset = ngx_http_xslt_sax_has_internal_subset; | |
428 sax->hasExternalSubset = ngx_http_xslt_sax_has_external_subset; | |
429 | |
430 sax->warning = NULL; | |
431 sax->error = ngx_http_xslt_sax_error; | |
432 sax->fatalError = ngx_http_xslt_sax_error; | |
433 | |
434 ctxt->userData = ctx; | |
435 | |
436 ctxt->replaceEntities = 1; | |
437 ctxt->loadsubset = 1; | |
438 | |
439 ctx->ctxt = ctxt; | |
440 ctx->request = r; | |
441 } | |
442 | |
443 err = xmlParseChunk(ctx->ctxt, (char *) b->pos, | |
444 (int) (b->last - b->pos), b->last_buf); | |
445 | |
446 if (err == 0) { | |
447 b->pos = b->last; | |
448 return NGX_OK; | |
449 } | |
450 | |
451 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
452 "xmlParseChunk() failed, error:%d", err); | |
453 | |
454 return NGX_ERROR; | |
455 } | |
456 | |
457 | |
458 static void | |
459 ngx_http_xslt_sax_start_document(void *data) | |
460 { | |
461 ngx_http_xslt_filter_ctx_t *ctx = data; | |
462 | |
463 ctx->sax->startDocument(ctx->ctxt); | |
464 } | |
465 | |
466 | |
467 static void | |
468 ngx_http_xslt_sax_end_document(void *data) | |
469 { | |
470 ngx_http_xslt_filter_ctx_t *ctx = data; | |
471 | |
472 ctx->sax->endDocument(ctx->ctxt); | |
473 } | |
474 | |
475 | |
476 static void | |
477 ngx_http_xslt_sax_internal_subset(void *data, const xmlChar *name, | |
478 const xmlChar *externalId, const xmlChar *systemId) | |
479 { | |
480 ngx_http_xslt_filter_ctx_t *ctx = data; | |
481 | |
482 ctx->sax->internalSubset(ctx->ctxt, name, externalId, systemId); | |
483 } | |
484 | |
485 | |
486 static void | |
487 ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, | |
488 const xmlChar *externalId, const xmlChar *systemId) | |
489 { | |
490 ngx_http_xslt_filter_ctx_t *ctx = data; | |
491 | |
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492 xmlDocPtr doc; |
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493 xmlDtdPtr dtd; |
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494 ngx_http_request_t *r; |
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495 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 496 |
497 r = ctx->request; | |
498 | |
499 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
500 | |
501 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
502 "xslt filter extSubset: \"%s\" \"%s\" \"%s\"", | |
503 name ? name : (xmlChar *) "", | |
504 externalId ? externalId : (xmlChar *) "", | |
505 systemId ? systemId : (xmlChar *) ""); | |
506 | |
507 doc = ctx->ctxt->myDoc; | |
508 | |
509 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
510 | |
511 dtd = conf->dtd; | |
512 | |
513 #else | |
514 | |
515 dtd = xmlCopyDtd(conf->dtd); | |
516 if (dtd == NULL) { | |
517 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
518 "xmlCopyDtd() failed"); | |
519 return; | |
520 } | |
521 | |
522 if (doc->children == NULL) { | |
523 xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd); | |
524 | |
525 } else { | |
526 xmlAddPrevSibling(doc->children, (xmlNodePtr) dtd); | |
527 } | |
528 | |
529 #endif | |
530 | |
531 doc->extSubset = dtd; | |
532 } | |
533 | |
534 | |
535 static void | |
536 ngx_http_xslt_sax_entity_decl(void *data, const xmlChar *name, int type, | |
537 const xmlChar *publicId, const xmlChar *systemId, xmlChar *content) | |
538 { | |
539 ngx_http_xslt_filter_ctx_t *ctx = data; | |
540 | |
541 ctx->sax->entityDecl(ctx->ctxt, name, type, publicId, systemId, content); | |
542 } | |
543 | |
544 | |
545 static void | |
546 ngx_http_xslt_sax_attribute_decl(void *data, const xmlChar *elem, | |
547 const xmlChar *fullname, int type, int def, const xmlChar *defaultValue, | |
548 xmlEnumerationPtr tree) | |
549 { | |
550 ngx_http_xslt_filter_ctx_t *ctx = data; | |
551 | |
552 ctx->sax->attributeDecl(ctx->ctxt, elem, fullname, type, def, defaultValue, | |
553 tree); | |
554 } | |
555 | |
556 | |
557 static void | |
558 ngx_http_xslt_sax_element_decl(void *data, const xmlChar * name, int type, | |
559 xmlElementContentPtr content) | |
560 { | |
561 ngx_http_xslt_filter_ctx_t *ctx = data; | |
562 | |
563 ctx->sax->elementDecl(ctx->ctxt, name, type, content); | |
564 } | |
565 | |
566 | |
567 static void | |
568 ngx_http_xslt_sax_notation_decl(void *data, const xmlChar *name, | |
569 const xmlChar *publicId, const xmlChar *systemId) | |
570 { | |
571 ngx_http_xslt_filter_ctx_t *ctx = data; | |
572 | |
573 ctx->sax->notationDecl(ctx->ctxt, name, publicId, systemId); | |
574 } | |
575 | |
576 | |
577 static void | |
578 ngx_http_xslt_sax_unparsed_entity_decl(void *data, const xmlChar *name, | |
579 const xmlChar *publicId, const xmlChar *systemId, | |
580 const xmlChar *notationName) | |
581 { | |
582 ngx_http_xslt_filter_ctx_t *ctx = data; | |
583 | |
584 ctx->sax->unparsedEntityDecl(ctx->ctxt, name, publicId, systemId, | |
585 notationName); | |
586 } | |
587 | |
588 | |
589 static void | |
590 ngx_http_xslt_sax_start_element(void *data, const xmlChar *localname, | |
591 const xmlChar *prefix, const xmlChar *URI, int nb_namespaces, | |
592 const xmlChar **namespaces, int nb_attributes, int nb_defaulted, | |
593 const xmlChar **attributes) | |
594 { | |
595 ngx_http_xslt_filter_ctx_t *ctx = data; | |
596 | |
597 ctx->sax->startElementNs(ctx->ctxt, localname, prefix, URI, nb_namespaces, | |
598 namespaces, nb_attributes, nb_defaulted, attributes); | |
599 } | |
600 | |
601 | |
602 static void | |
603 ngx_http_xslt_sax_end_element(void *data, | |
604 const xmlChar * localname ATTRIBUTE_UNUSED, | |
605 const xmlChar * prefix ATTRIBUTE_UNUSED, | |
606 const xmlChar * URI ATTRIBUTE_UNUSED) | |
607 { | |
608 ngx_http_xslt_filter_ctx_t *ctx = data; | |
609 | |
610 ctx->sax->endElementNs(ctx->ctxt, localname, prefix, URI); | |
611 } | |
612 | |
613 | |
614 static void | |
615 ngx_http_xslt_sax_characters(void *data, const xmlChar *p, int len) | |
616 { | |
617 ngx_http_xslt_filter_ctx_t *ctx = data; | |
618 | |
619 ctx->sax->characters(ctx->ctxt, p, len); | |
620 } | |
621 | |
622 | |
623 static void | |
624 ngx_http_xslt_sax_cdata_block(void *data, const xmlChar *p, int len) | |
625 { | |
626 ngx_http_xslt_filter_ctx_t *ctx = data; | |
627 | |
628 ctx->sax->cdataBlock(ctx->ctxt, p, len); | |
629 } | |
630 | |
631 | |
632 static xmlEntityPtr | |
633 ngx_http_xslt_sax_get_entity(void *data, const xmlChar *name) | |
634 { | |
635 ngx_http_xslt_filter_ctx_t *ctx = data; | |
636 | |
637 return ctx->sax->getEntity(ctx->ctxt, name); | |
638 } | |
639 | |
640 | |
641 static xmlEntityPtr | |
642 ngx_http_xslt_sax_get_parameter_entity(void *data, const xmlChar *name) | |
643 { | |
644 ngx_http_xslt_filter_ctx_t *ctx = data; | |
645 | |
646 return ctx->sax->getParameterEntity(ctx->ctxt, name); | |
647 } | |
648 | |
649 | |
650 static xmlParserInputPtr | |
651 ngx_http_xslt_sax_resolve_entity(void *data, const xmlChar *publicId, | |
652 const xmlChar *systemId) | |
653 { | |
654 ngx_http_xslt_filter_ctx_t *ctx = data; | |
655 | |
656 return ctx->sax->resolveEntity(ctx->ctxt, publicId, systemId); | |
657 } | |
658 | |
659 | |
660 static void | |
661 ngx_http_xslt_sax_reference(void *data, const xmlChar *name) | |
662 { | |
663 ngx_http_xslt_filter_ctx_t *ctx = data; | |
664 | |
665 ctx->sax->reference(ctx->ctxt, name); | |
666 } | |
667 | |
668 | |
669 static void | |
670 ngx_http_xslt_sax_comment(void *data, const xmlChar *value) | |
671 { | |
672 ngx_http_xslt_filter_ctx_t *ctx = data; | |
673 | |
674 ctx->sax->comment(ctx->ctxt, value); | |
675 } | |
676 | |
677 | |
678 static void | |
679 ngx_http_xslt_sax_processing_instruction(void *data, const xmlChar *target, | |
680 const xmlChar *pidata) | |
681 { | |
682 ngx_http_xslt_filter_ctx_t *ctx = data; | |
683 | |
684 ctx->sax->processingInstruction(ctx->ctxt, target, pidata); | |
685 } | |
686 | |
687 | |
688 static int | |
689 ngx_http_xslt_sax_is_standalone(void *data) | |
690 { | |
691 ngx_http_xslt_filter_ctx_t *ctx = data; | |
692 | |
693 return ctx->sax->isStandalone(ctx->ctxt); | |
694 } | |
695 | |
696 | |
697 static int | |
698 ngx_http_xslt_sax_has_internal_subset(void *data) | |
699 { | |
700 ngx_http_xslt_filter_ctx_t *ctx = data; | |
701 | |
702 return ctx->sax->hasInternalSubset(ctx->ctxt); | |
703 } | |
704 | |
705 | |
706 static int | |
707 ngx_http_xslt_sax_has_external_subset(void *data) | |
708 { | |
709 ngx_http_xslt_filter_ctx_t *ctx = data; | |
710 | |
711 return ctx->sax->hasExternalSubset(ctx->ctxt); | |
712 } | |
713 | |
714 | |
715 static void ngx_cdecl | |
716 ngx_http_xslt_sax_error(void *data, const char *msg, ...) | |
717 { | |
718 ngx_http_xslt_filter_ctx_t *ctx = data; | |
719 | |
720 size_t n; | |
721 va_list args; | |
722 u_char buf[NGX_MAX_ERROR_STR]; | |
723 | |
724 buf[0] = '\0'; | |
725 | |
726 va_start(args, msg); | |
727 n = (size_t) vsnprintf((char *) buf, NGX_MAX_ERROR_STR, msg, args); | |
728 va_end(args); | |
729 | |
730 while (--n && (buf[n] == CR || buf[n] == LF)) { /* void */ } | |
731 | |
732 ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0, | |
733 "libxml2 error: \"%*s\"", n, buf); | |
734 } | |
735 | |
736 | |
737 static ngx_buf_t * | |
738 ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, | |
739 ngx_http_xslt_filter_ctx_t *ctx) | |
740 { | |
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741 int len, rc, doc_type; |
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742 u_char *type, *encoding; |
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743 ngx_buf_t *b; |
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744 ngx_uint_t i; |
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745 xmlChar *buf; |
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746 xmlDocPtr doc, res; |
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747 ngx_http_xslt_sheet_t *sheet; |
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748 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 749 |
750 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
751 sheet = conf->sheets.elts; | |
752 doc = ctx->doc; | |
753 | |
754 /* preallocate array for 4 params */ | |
755 | |
756 if (ngx_array_init(&ctx->params, r->pool, 4 * 2 + 1, sizeof(char *)) | |
757 != NGX_OK) | |
758 { | |
759 xmlFreeDoc(doc); | |
760 return NULL; | |
761 } | |
762 | |
763 for (i = 0; i < conf->sheets.nelts; i++) { | |
764 | |
765 if (ngx_http_xslt_params(r, ctx, &sheet[i].params) != NGX_OK) { | |
766 xmlFreeDoc(doc); | |
767 return NULL; | |
768 } | |
769 | |
770 res = xsltApplyStylesheet(sheet[i].stylesheet, doc, ctx->params.elts); | |
771 | |
772 xmlFreeDoc(doc); | |
773 | |
774 if (res == NULL) { | |
775 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
776 "xsltApplyStylesheet() failed"); | |
777 return NULL; | |
778 } | |
779 | |
780 doc = res; | |
781 | |
782 /* reset array elements */ | |
783 ctx->params.nelts = 0; | |
784 } | |
785 | |
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786 /* there must be at least one stylesheet */ |
2139 | 787 |
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788 type = ngx_http_xslt_content_type(sheet[i - 1].stylesheet); |
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789 encoding = ngx_http_xslt_encoding(sheet[i - 1].stylesheet); |
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790 doc_type = doc->type; |
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791 |
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792 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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793 "xslt filter type: %d t:%s e:%s", |
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794 doc_type, type ? type : (u_char *) "(null)", |
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795 encoding ? encoding : (u_char *) "(null)"); |
2139 | 796 |
797 rc = xsltSaveResultToString(&buf, &len, doc, sheet[i - 1].stylesheet); | |
798 | |
799 xmlFreeDoc(doc); | |
800 | |
801 if (rc != 0) { | |
802 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
803 "xsltSaveResultToString() failed"); | |
804 return NULL; | |
805 } | |
806 | |
807 if (len == 0) { | |
808 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
809 "xsltSaveResultToString() returned zero-length result"); | |
810 return NULL; | |
811 } | |
812 | |
813 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
814 if (b == NULL) { | |
815 ngx_free(buf); | |
816 return NULL; | |
817 } | |
818 | |
819 b->pos = buf; | |
820 b->last = buf + len; | |
821 b->memory = 1; | |
822 b->last_buf = 1; | |
823 | |
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824 if (type) { |
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825 len = ngx_strlen(type); |
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826 |
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827 r->headers_out.content_type_len = len; |
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828 r->headers_out.content_type.len = len; |
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829 r->headers_out.content_type.data = type; |
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830 |
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831 } else if (doc_type == XML_HTML_DOCUMENT_NODE) { |
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832 |
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833 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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834 r->headers_out.content_type.len = sizeof("text/html") - 1; |
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835 r->headers_out.content_type.data = (u_char *) "text/html"; |
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836 } |
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837 |
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838 if (encoding) { |
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839 r->headers_out.charset.len = ngx_strlen(encoding); |
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840 r->headers_out.charset.data = encoding; |
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841 } |
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842 |
2139 | 843 return b; |
844 } | |
845 | |
846 | |
847 static ngx_int_t | |
848 ngx_http_xslt_params(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
849 ngx_array_t *params) | |
850 { | |
851 u_char *p, *last, *value, *dst, *src, **s; | |
852 size_t len; | |
853 ngx_uint_t i; | |
854 ngx_str_t string; | |
855 ngx_http_xslt_param_t *param; | |
856 | |
857 param = params->elts; | |
858 | |
859 for (i = 0; i < params->nelts; i++) { | |
860 | |
861 if (ngx_http_script_run(r, &string, param[i].lengths->elts, 1, | |
862 param[i].values->elts) | |
863 == NULL) | |
864 { | |
865 return NGX_ERROR; | |
866 } | |
867 | |
868 last = string.data + string.len - 1; | |
869 *last = '\0'; | |
870 | |
871 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
872 "xslt filter param: \"%s\"", string.data); | |
873 | |
874 p = string.data; | |
875 | |
876 while (p && *p) { | |
877 | |
878 value = p; | |
879 p = (u_char *) ngx_strchr(p, '='); | |
880 if (p == NULL) { | |
881 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
882 "invalid libxslt parameter \"%s\"", value); | |
883 return NGX_ERROR; | |
884 } | |
885 *p++ = '\0'; | |
886 | |
887 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
888 "xslt filter param name: \"%s\"", value); | |
889 | |
890 s = ngx_array_push(&ctx->params); | |
891 if (s == NULL) { | |
892 return NGX_ERROR; | |
893 } | |
894 | |
895 *s = value; | |
896 | |
897 value = p; | |
898 p = (u_char *) ngx_strchr(p, ':'); | |
899 | |
900 if (p) { | |
901 len = p - value; | |
902 *p++ = '\0'; | |
903 | |
904 } else { | |
905 len = last - value; | |
906 } | |
907 | |
908 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
909 "xslt filter param value: \"%s\"", value); | |
910 | |
911 dst = value; | |
912 src = value; | |
913 | |
914 ngx_unescape_uri(&dst, &src, len, 0); | |
915 | |
916 *dst = '\0'; | |
917 | |
918 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
919 "xslt filter param unescaped: \"%s\"", value); | |
920 | |
921 s = ngx_array_push(&ctx->params); | |
922 if (s == NULL) { | |
923 return NGX_ERROR; | |
924 } | |
925 | |
926 *s = value; | |
927 } | |
928 } | |
929 | |
930 s = ngx_array_push(&ctx->params); | |
931 if (s == NULL) { | |
932 return NGX_ERROR; | |
933 } | |
934 | |
935 *s = NULL; | |
936 | |
937 return NGX_OK; | |
938 } | |
939 | |
940 | |
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941 static u_char * |
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942 ngx_http_xslt_content_type(xsltStylesheetPtr s) |
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943 { |
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944 u_char *type; |
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945 |
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946 if (s->mediaType) { |
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947 return s->mediaType; |
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948 } |
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949 |
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950 for (s = s->imports; s; s = s->next) { |
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951 |
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952 type = ngx_http_xslt_content_type(s); |
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953 |
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954 if (type) { |
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955 return type; |
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956 } |
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957 } |
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958 |
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959 return NULL; |
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960 } |
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961 |
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962 |
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963 static u_char * |
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964 ngx_http_xslt_encoding(xsltStylesheetPtr s) |
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965 { |
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966 u_char *encoding; |
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967 |
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968 if (s->encoding) { |
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969 return s->encoding; |
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970 } |
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971 |
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972 for (s = s->imports; s; s = s->next) { |
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973 |
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974 encoding = ngx_http_xslt_encoding(s); |
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975 |
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976 if (encoding) { |
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977 return encoding; |
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978 } |
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979 } |
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980 |
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981 return NULL; |
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982 } |
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983 |
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984 |
2139 | 985 static void |
986 ngx_http_xslt_cleanup(void *data) | |
987 { | |
988 ngx_free(data); | |
989 } | |
990 | |
991 | |
992 static char * | |
993 ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
994 { | |
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995 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
2139 | 996 |
997 ngx_str_t *value; | |
998 | |
999 if (xlcf->dtd) { | |
1000 return "is duplicate"; | |
1001 } | |
1002 | |
1003 value = cf->args->elts; | |
1004 | |
1005 xlcf->dtd = xmlParseDTD(NULL, (xmlChar *) value[1].data); | |
1006 | |
1007 if (xlcf->dtd == NULL) { | |
1008 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, "xmlParseDTD() failed"); | |
1009 return NGX_CONF_ERROR; | |
1010 } | |
1011 | |
1012 return NGX_CONF_OK; | |
1013 } | |
1014 | |
1015 | |
1016 | |
1017 static char * | |
1018 ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1019 { | |
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1020 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
2139 | 1021 |
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1022 ngx_str_t *value; |
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1023 ngx_uint_t i, n; |
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1024 ngx_pool_cleanup_t *cln; |
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1025 ngx_http_xslt_sheet_t *sheet; |
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1026 ngx_http_xslt_param_t *param; |
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1027 ngx_http_script_compile_t sc; |
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1028 ngx_http_xslt_sheet_file_t *file; |
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1029 ngx_http_xslt_filter_main_conf_t *xmcf; |
2139 | 1030 |
1031 value = cf->args->elts; | |
1032 | |
1033 if (xlcf->sheets.elts == NULL) { | |
1034 if (ngx_array_init(&xlcf->sheets, cf->pool, 1, | |
1035 sizeof(ngx_http_xslt_sheet_t)) | |
1036 != NGX_OK) | |
1037 { | |
1038 return NGX_CONF_ERROR; | |
1039 } | |
1040 } | |
1041 | |
1042 sheet = ngx_array_push(&xlcf->sheets); | |
1043 if (sheet == NULL) { | |
1044 return NGX_CONF_ERROR; | |
1045 } | |
1046 | |
1047 ngx_memzero(sheet, sizeof(ngx_http_xslt_sheet_t)); | |
1048 | |
1049 if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { | |
1050 return NGX_CONF_ERROR; | |
1051 } | |
1052 | |
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1053 xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); |
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1054 |
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1055 file = xmcf->sheet_files.elts; |
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1056 for (i = 0; i < xmcf->sheet_files.nelts; i++) { |
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1057 if (ngx_strcmp(file[i].name, &value[1].data) == 0) { |
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1058 sheet->stylesheet = file[i].stylesheet; |
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1059 goto found; |
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1060 } |
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1061 } |
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1062 |
2139 | 1063 cln = ngx_pool_cleanup_add(cf->pool, 0); |
1064 if (cln == NULL) { | |
1065 return NGX_CONF_ERROR; | |
1066 } | |
1067 | |
1068 sheet->stylesheet = xsltParseStylesheetFile(value[1].data); | |
1069 if (sheet->stylesheet == NULL) { | |
1070 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
1071 "xsltParseStylesheetFile(\"%s\") failed", | |
1072 value[1].data); | |
1073 return NGX_CONF_ERROR; | |
1074 } | |
1075 | |
1076 cln->handler = ngx_http_xslt_cleanup_stylesheet; | |
1077 cln->data = sheet->stylesheet; | |
1078 | |
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1079 file = ngx_array_push(&xmcf->sheet_files); |
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1080 if (file == NULL) { |
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1081 return NGX_CONF_ERROR; |
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1082 } |
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1083 |
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1084 file->name = value[1].data; |
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1085 file->stylesheet = sheet->stylesheet; |
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1086 |
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1087 found: |
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1088 |
2139 | 1089 n = cf->args->nelts; |
1090 | |
1091 if (n == 2) { | |
1092 return NGX_CONF_OK; | |
1093 } | |
1094 | |
1095 if (ngx_array_init(&sheet->params, cf->pool, n - 2, | |
1096 sizeof(ngx_http_xslt_param_t)) | |
1097 != NGX_OK) | |
1098 { | |
1099 return NGX_CONF_ERROR; | |
1100 } | |
1101 | |
1102 for (i = 2; i < n; i++) { | |
1103 | |
1104 param = ngx_array_push(&sheet->params); | |
1105 if (param == NULL) { | |
1106 return NGX_CONF_ERROR; | |
1107 } | |
1108 | |
1109 param->lengths = NULL; | |
1110 param->values = NULL; | |
1111 | |
1112 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
1113 | |
1114 sc.cf = cf; | |
1115 sc.source = &value[i]; | |
1116 sc.lengths = ¶m->lengths; | |
1117 sc.values = ¶m->values; | |
1118 sc.variables = ngx_http_script_variables_count(&value[i]); | |
1119 sc.complete_lengths = 1; | |
1120 sc.complete_values = 1; | |
1121 | |
1122 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
1123 return NGX_CONF_ERROR; | |
1124 } | |
1125 } | |
1126 | |
1127 return NGX_CONF_OK; | |
1128 } | |
1129 | |
1130 | |
1131 static void | |
1132 ngx_http_xslt_cleanup_stylesheet(void *data) | |
1133 { | |
1134 xsltStylesheetPtr stylesheet = data; | |
1135 | |
1136 xsltFreeStylesheet(stylesheet); | |
1137 } | |
1138 | |
1139 | |
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1140 static void * |
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1141 ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf) |
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1142 { |
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1143 ngx_http_xslt_filter_main_conf_t *conf; |
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1144 |
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1145 conf = ngx_palloc(cf->pool, sizeof(ngx_http_xslt_filter_main_conf_t)); |
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1146 if (conf == NULL) { |
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1147 return NGX_CONF_ERROR; |
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1148 } |
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1149 |
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1150 if (ngx_array_init(&conf->sheet_files, cf->pool, 1, |
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1151 sizeof(ngx_http_xslt_sheet_file_t)) |
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1152 != NGX_OK) |
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1153 { |
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1154 return NULL; |
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1155 } |
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1156 |
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1157 return conf; |
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1158 } |
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parents:
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1159 |
2139 | 1160 |
1161 static void * | |
1162 ngx_http_xslt_filter_create_conf(ngx_conf_t *cf) | |
1163 { | |
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1164 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 1165 |
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1166 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_xslt_filter_loc_conf_t)); |
2139 | 1167 if (conf == NULL) { |
1168 return NGX_CONF_ERROR; | |
1169 } | |
1170 | |
1171 /* | |
1172 * set by ngx_pcalloc(): | |
1173 * | |
2148 | 1174 * conf->dtd = NULL; |
1175 * conf->sheets = { NULL }; | |
1176 * conf->types = { NULL }; | |
1177 * conf->types_keys = NULL; | |
2139 | 1178 */ |
1179 | |
1180 return conf; | |
1181 } | |
1182 | |
1183 | |
1184 static char * | |
1185 ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
1186 { | |
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1187 ngx_http_xslt_filter_loc_conf_t *prev = parent; |
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1188 ngx_http_xslt_filter_loc_conf_t *conf = child; |
2139 | 1189 |
1190 if (conf->dtd == NULL) { | |
1191 conf->dtd = prev->dtd; | |
1192 } | |
1193 | |
1194 if (conf->sheets.nelts == 0) { | |
1195 conf->sheets = prev->sheets; | |
1196 } | |
1197 | |
2148 | 1198 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types, |
1199 prev->types_keys, &prev->types, | |
1200 ngx_http_xslt_default_types) | |
2139 | 1201 != NGX_OK) |
1202 { | |
1203 return NGX_CONF_ERROR; | |
1204 } | |
1205 | |
1206 return NGX_CONF_OK; | |
1207 } | |
1208 | |
1209 | |
1210 static ngx_int_t | |
1211 ngx_http_xslt_filter_init(ngx_conf_t *cf) | |
1212 { | |
1213 xmlInitParser(); | |
1214 | |
1215 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
1216 ngx_http_top_header_filter = ngx_http_xslt_header_filter; | |
1217 | |
1218 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1219 ngx_http_top_body_filter = ngx_http_xslt_body_filter; | |
1220 | |
1221 return NGX_OK; | |
1222 } | |
1223 | |
1224 | |
1225 static void | |
1226 ngx_http_xslt_filter_exit(ngx_cycle_t *cycle) | |
1227 { | |
1228 xsltCleanupGlobals(); | |
1229 xmlCleanupParser(); | |
1230 } |