Mercurial > hg > nginx
annotate src/http/modules/ngx_http_xslt_filter_module.c @ 2292:51487a60eba2
fix the previous commit
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 06 Nov 2008 19:54:54 +0000 |
| parents | fab3fa7339ff |
| children | 3e213fa0cbb3 |
| 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 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
25 u_char *name; |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
26 void *data; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
27 } ngx_http_xslt_file_t; |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
28 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
29 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
30 typedef struct { |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
31 ngx_array_t dtd_files; /* ngx_http_xslt_file_t */ |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
32 ngx_array_t sheet_files; /* ngx_http_xslt_file_t */ |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
33 } ngx_http_xslt_filter_main_conf_t; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
34 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
35 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
36 typedef struct { |
| 2139 | 37 ngx_array_t *lengths; |
| 38 ngx_array_t *values; | |
| 39 } ngx_http_xslt_param_t; | |
| 40 | |
| 41 | |
| 42 typedef struct { | |
| 43 xsltStylesheetPtr stylesheet; | |
| 44 ngx_array_t params; /* ngx_http_xslt_param_t */ | |
| 45 } ngx_http_xslt_sheet_t; | |
| 46 | |
| 47 | |
| 48 typedef struct { | |
| 49 xmlDtdPtr dtd; | |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
50 ngx_array_t sheets; /* ngx_http_xslt_sheet_t */ |
| 2148 | 51 ngx_hash_t types; |
| 52 ngx_array_t *types_keys; | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
53 } ngx_http_xslt_filter_loc_conf_t; |
| 2139 | 54 |
| 55 | |
| 56 typedef struct { | |
| 57 xmlDocPtr doc; | |
| 58 xmlParserCtxtPtr ctxt; | |
| 59 xmlSAXHandler *sax; | |
| 60 ngx_http_request_t *request; | |
| 61 ngx_array_t params; | |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
62 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
63 ngx_uint_t done; /* unsigned done:1; */ |
| 2139 | 64 } ngx_http_xslt_filter_ctx_t; |
| 65 | |
| 66 | |
| 67 static ngx_int_t ngx_http_xslt_send(ngx_http_request_t *r, | |
| 68 ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); | |
| 69 static ngx_int_t ngx_http_xslt_filter_internal_error(ngx_http_request_t *r); | |
| 70 static ngx_int_t ngx_http_xslt_add_chunk(ngx_http_request_t *r, | |
| 71 ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); | |
| 72 | |
| 73 | |
| 74 static void ngx_http_xslt_sax_start_document(void *data); | |
| 75 static void ngx_http_xslt_sax_end_document(void *data); | |
| 76 static void ngx_http_xslt_sax_internal_subset(void *data, const xmlChar *name, | |
| 77 const xmlChar *externalId, const xmlChar *systemId); | |
| 78 static void ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, | |
| 79 const xmlChar *externalId, const xmlChar *systemId); | |
| 80 static void ngx_http_xslt_sax_entity_decl(void *data, const xmlChar *name, | |
| 81 int type, const xmlChar *publicId, const xmlChar *systemId, | |
| 82 xmlChar *content); | |
| 83 static void ngx_http_xslt_sax_attribute_decl(void *data, const xmlChar *elem, | |
| 84 const xmlChar *fullname, int type, int def, const xmlChar *defaultValue, | |
| 85 xmlEnumerationPtr tree); | |
| 86 static void ngx_http_xslt_sax_element_decl(void *data, const xmlChar * name, | |
| 87 int type, xmlElementContentPtr content); | |
| 88 static void ngx_http_xslt_sax_notation_decl(void *data, const xmlChar *name, | |
| 89 const xmlChar *publicId, const xmlChar *systemId); | |
| 90 static void ngx_http_xslt_sax_unparsed_entity_decl(void *data, | |
| 91 const xmlChar *name, const xmlChar *publicId, const xmlChar *systemId, | |
| 92 const xmlChar *notationName); | |
| 93 static void ngx_http_xslt_sax_start_element(void *data, | |
| 94 const xmlChar *localname, const xmlChar *prefix, const xmlChar *URI, | |
| 95 int nb_namespaces, const xmlChar **namespaces, int nb_attributes, | |
| 96 int nb_defaulted, const xmlChar **attributes); | |
| 97 static void ngx_http_xslt_sax_end_element(void *data, | |
| 98 const xmlChar * localname ATTRIBUTE_UNUSED, | |
| 99 const xmlChar * prefix ATTRIBUTE_UNUSED, | |
| 100 const xmlChar * URI ATTRIBUTE_UNUSED); | |
| 101 static void ngx_http_xslt_sax_characters(void *data, const xmlChar *p, int len); | |
| 102 static void ngx_http_xslt_sax_cdata_block(void *data, const xmlChar *p, | |
| 103 int len); | |
| 104 static xmlEntityPtr ngx_http_xslt_sax_get_entity(void *data, | |
| 105 const xmlChar *name); | |
| 106 static xmlEntityPtr ngx_http_xslt_sax_get_parameter_entity(void *data, | |
| 107 const xmlChar *name); | |
| 108 static xmlParserInputPtr ngx_http_xslt_sax_resolve_entity(void *data, | |
| 109 const xmlChar *publicId, const xmlChar *systemId); | |
| 110 static void ngx_http_xslt_sax_reference(void *data, const xmlChar *name); | |
| 111 static void ngx_http_xslt_sax_comment(void *data, const xmlChar *value); | |
| 112 static void ngx_http_xslt_sax_processing_instruction(void *data, | |
| 113 const xmlChar *target, const xmlChar *pidata); | |
| 114 static int ngx_http_xslt_sax_is_standalone(void *data); | |
| 115 static int ngx_http_xslt_sax_has_internal_subset(void *data); | |
| 116 static int ngx_http_xslt_sax_has_external_subset(void *data); | |
| 117 static void ngx_cdecl ngx_http_xslt_sax_error(void *data, const char *msg, ...); | |
| 118 | |
| 119 | |
| 120 static ngx_buf_t *ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, | |
| 121 ngx_http_xslt_filter_ctx_t *ctx); | |
| 122 static ngx_int_t ngx_http_xslt_params(ngx_http_request_t *r, | |
| 123 ngx_http_xslt_filter_ctx_t *ctx, ngx_array_t *params); | |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
124 static u_char *ngx_http_xslt_content_type(xsltStylesheetPtr s); |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
125 static u_char *ngx_http_xslt_encoding(xsltStylesheetPtr s); |
| 2139 | 126 static void ngx_http_xslt_cleanup(void *data); |
| 127 | |
| 128 static char *ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 129 void *conf); | |
| 130 static char *ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 131 void *conf); | |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
132 static void ngx_http_xslt_cleanup_dtd(void *data); |
| 2139 | 133 static void ngx_http_xslt_cleanup_stylesheet(void *data); |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
134 static void *ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf); |
| 2139 | 135 static void *ngx_http_xslt_filter_create_conf(ngx_conf_t *cf); |
| 136 static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, | |
| 137 void *child); | |
| 138 static ngx_int_t ngx_http_xslt_filter_init(ngx_conf_t *cf); | |
|
2196
fab3fa7339ff
call ngx_http_xslt_filter_exit()
Igor Sysoev <igor@sysoev.ru>
parents:
2159
diff
changeset
|
139 static void ngx_http_xslt_filter_exit(ngx_cycle_t *cycle); |
| 2139 | 140 |
| 141 | |
| 142 ngx_str_t ngx_http_xslt_default_types[] = { | |
| 143 ngx_string("text/xml"), | |
| 144 ngx_null_string | |
| 145 }; | |
| 146 | |
| 147 | |
| 148 static ngx_command_t ngx_http_xslt_filter_commands[] = { | |
| 149 | |
| 150 { ngx_string("xml_entities"), | |
|
2150
50cede290146
fix xslt module context levels
Igor Sysoev <igor@sysoev.ru>
parents:
2148
diff
changeset
|
151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 2139 | 152 ngx_http_xslt_entities, |
| 153 NGX_HTTP_LOC_CONF_OFFSET, | |
| 154 0, | |
| 155 NULL }, | |
| 156 | |
| 157 { ngx_string("xslt_stylesheet"), | |
|
2151
c8331f70d799
xslt_stylesheet should be valid for location only
Igor Sysoev <igor@sysoev.ru>
parents:
2150
diff
changeset
|
158 NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 2139 | 159 ngx_http_xslt_stylesheet, |
| 160 NGX_HTTP_LOC_CONF_OFFSET, | |
| 161 0, | |
| 162 NULL }, | |
| 163 | |
| 164 { ngx_string("xslt_types"), | |
|
2150
50cede290146
fix xslt module context levels
Igor Sysoev <igor@sysoev.ru>
parents:
2148
diff
changeset
|
165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| 2139 | 166 ngx_http_types_slot, |
| 167 NGX_HTTP_LOC_CONF_OFFSET, | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
168 offsetof(ngx_http_xslt_filter_loc_conf_t, types_keys), |
| 2139 | 169 &ngx_http_xslt_default_types[0] }, |
| 170 | |
| 171 ngx_null_command | |
| 172 }; | |
| 173 | |
| 174 | |
| 175 static ngx_http_module_t ngx_http_xslt_filter_module_ctx = { | |
| 176 NULL, /* preconfiguration */ | |
| 177 ngx_http_xslt_filter_init, /* postconfiguration */ | |
| 178 | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
179 ngx_http_xslt_filter_create_main_conf, /* create main configuration */ |
| 2139 | 180 NULL, /* init main configuration */ |
| 181 | |
| 182 NULL, /* create server configuration */ | |
| 183 NULL, /* merge server configuration */ | |
| 184 | |
| 185 ngx_http_xslt_filter_create_conf, /* create location configuration */ | |
| 186 ngx_http_xslt_filter_merge_conf /* merge location configuration */ | |
| 187 }; | |
| 188 | |
| 189 | |
| 190 ngx_module_t ngx_http_xslt_filter_module = { | |
| 191 NGX_MODULE_V1, | |
| 192 &ngx_http_xslt_filter_module_ctx, /* module context */ | |
| 193 ngx_http_xslt_filter_commands, /* module directives */ | |
| 194 NGX_HTTP_MODULE, /* module type */ | |
| 195 NULL, /* init master */ | |
| 196 NULL, /* init module */ | |
| 197 NULL, /* init process */ | |
| 198 NULL, /* init thread */ | |
| 199 NULL, /* exit thread */ | |
|
2196
fab3fa7339ff
call ngx_http_xslt_filter_exit()
Igor Sysoev <igor@sysoev.ru>
parents:
2159
diff
changeset
|
200 ngx_http_xslt_filter_exit, /* exit process */ |
|
fab3fa7339ff
call ngx_http_xslt_filter_exit()
Igor Sysoev <igor@sysoev.ru>
parents:
2159
diff
changeset
|
201 ngx_http_xslt_filter_exit, /* exit master */ |
| 2139 | 202 NGX_MODULE_V1_PADDING |
| 203 }; | |
| 204 | |
| 205 | |
| 206 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; | |
| 207 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; | |
| 208 | |
| 209 | |
| 210 static ngx_int_t | |
| 211 ngx_http_xslt_header_filter(ngx_http_request_t *r) | |
| 212 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
213 ngx_http_xslt_filter_ctx_t *ctx; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
214 ngx_http_xslt_filter_loc_conf_t *conf; |
| 2139 | 215 |
| 216 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 217 "xslt filter header"); | |
| 218 | |
| 219 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { | |
| 220 return ngx_http_next_header_filter(r); | |
| 221 } | |
| 222 | |
| 223 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
| 224 | |
| 225 if (conf->sheets.nelts == 0 | |
| 2148 | 226 || ngx_http_test_content_type(r, &conf->types) == NULL) |
| 2139 | 227 { |
| 228 return ngx_http_next_header_filter(r); | |
| 229 } | |
| 230 | |
| 231 ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); | |
| 232 | |
| 233 if (ctx) { | |
| 234 return ngx_http_next_header_filter(r); | |
| 235 } | |
| 236 | |
| 237 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_xslt_filter_ctx_t)); | |
| 238 if (ctx == NULL) { | |
| 239 return NGX_ERROR; | |
| 240 } | |
| 241 | |
| 242 ngx_http_set_ctx(r, ctx, ngx_http_xslt_filter_module); | |
| 243 | |
| 244 r->main_filter_need_in_memory = 1; | |
| 245 | |
| 246 return NGX_OK; | |
| 247 } | |
| 248 | |
| 249 | |
| 250 static ngx_int_t | |
| 251 ngx_http_xslt_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
| 252 { | |
| 253 ngx_chain_t *cl; | |
| 254 ngx_http_xslt_filter_ctx_t *ctx; | |
| 255 | |
| 256 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 257 "xslt filter body"); | |
| 258 | |
| 259 if (in == NULL) { | |
| 260 return ngx_http_next_body_filter(r, in); | |
| 261 } | |
| 262 | |
| 263 ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); | |
| 264 | |
| 265 if (ctx == NULL || ctx->done) { | |
| 266 return ngx_http_next_body_filter(r, in); | |
| 267 } | |
| 268 | |
| 269 for (cl = in; cl; cl = cl->next) { | |
| 270 | |
| 271 if (ngx_http_xslt_add_chunk(r, ctx, cl->buf) != NGX_OK) { | |
| 272 | |
| 273 if (ctx->ctxt->myDoc){ | |
| 274 | |
| 275 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
| 276 ctx->ctxt->myDoc->extSubset = NULL; | |
| 277 #endif | |
| 278 xmlFreeDoc(ctx->ctxt->myDoc); | |
| 279 } | |
| 280 | |
| 281 xmlFreeParserCtxt(ctx->ctxt); | |
| 282 | |
| 283 return ngx_http_xslt_send(r, ctx, NULL); | |
| 284 } | |
| 285 | |
| 286 if (cl->buf->last_buf) { | |
| 287 | |
| 288 ctx->doc = ctx->ctxt->myDoc; | |
| 289 | |
| 290 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
| 291 ctx->doc->extSubset = NULL; | |
| 292 #endif | |
| 293 | |
| 294 xmlFreeParserCtxt(ctx->ctxt); | |
| 295 | |
| 296 if (ctx->ctxt->wellFormed) { | |
| 297 return ngx_http_xslt_send(r, ctx, | |
| 298 ngx_http_xslt_apply_stylesheet(r, ctx)); | |
| 299 } | |
| 300 | |
| 301 xmlFreeDoc(ctx->doc); | |
| 302 | |
| 303 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 304 "not well formed XML document"); | |
| 305 | |
| 306 return ngx_http_xslt_send(r, ctx, NULL); | |
| 307 } | |
| 308 } | |
| 309 | |
| 310 return NGX_OK; | |
| 311 } | |
| 312 | |
| 313 | |
| 314 static ngx_int_t | |
| 315 ngx_http_xslt_send(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
| 316 ngx_buf_t *b) | |
| 317 { | |
| 318 ngx_int_t rc; | |
| 319 ngx_chain_t out; | |
| 320 ngx_pool_cleanup_t *cln; | |
| 321 | |
| 322 ctx->done = 1; | |
| 323 | |
| 324 if (b == NULL) { | |
| 325 return ngx_http_xslt_filter_internal_error(r); | |
| 326 } | |
| 327 | |
| 328 cln = ngx_pool_cleanup_add(r->pool, 0); | |
| 329 | |
| 330 if (cln == NULL) { | |
| 331 ngx_free(b->pos); | |
| 332 return ngx_http_special_response_handler(r, | |
| 333 NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 334 } | |
| 335 | |
|
2159
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
336 if (r == r->main) { |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
337 r->headers_out.content_length_n = b->last - b->pos; |
| 2139 | 338 |
|
2159
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
339 if (r->headers_out.content_length) { |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
340 r->headers_out.content_length->hash = 0; |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
341 r->headers_out.content_length = NULL; |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
342 } |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
343 |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
344 ngx_http_clear_last_modified(r); |
| 2139 | 345 } |
| 346 | |
| 347 rc = ngx_http_next_header_filter(r); | |
| 348 | |
| 349 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 350 ngx_free(b->pos); | |
| 351 return rc; | |
| 352 } | |
| 353 | |
| 354 cln->handler = ngx_http_xslt_cleanup; | |
| 355 cln->data = b->pos; | |
| 356 | |
| 357 out.buf = b; | |
| 358 out.next = NULL; | |
| 359 | |
| 360 return ngx_http_next_body_filter(r, &out); | |
| 361 } | |
| 362 | |
| 363 | |
| 364 static ngx_int_t | |
| 365 ngx_http_xslt_filter_internal_error(ngx_http_request_t *r) | |
| 366 { | |
| 367 ngx_int_t rc; | |
| 368 | |
| 369 /* clear the modules contexts */ | |
| 370 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); | |
| 371 | |
| 372 rc = ngx_http_special_response_handler(r, NGX_HTTP_INTERNAL_SERVER_ERROR); | |
| 373 | |
| 374 /* NGX_ERROR resets any pending data */ | |
| 375 | |
| 376 return (rc == NGX_OK) ? NGX_ERROR : rc; | |
| 377 } | |
| 378 | |
| 379 | |
| 380 static ngx_int_t | |
| 381 ngx_http_xslt_add_chunk(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
| 382 ngx_buf_t *b) | |
| 383 { | |
| 384 int err; | |
| 385 xmlSAXHandler *sax; | |
| 386 xmlParserCtxtPtr ctxt; | |
| 387 | |
| 388 if (ctx->ctxt == NULL) { | |
| 389 | |
| 390 ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL); | |
| 391 if (ctxt == NULL) { | |
| 392 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 393 "xmlCreatePushParserCtxt() failed"); | |
| 394 return NGX_ERROR; | |
| 395 } | |
| 396 | |
| 397 ctx->sax = ngx_palloc(r->pool, sizeof(xmlSAXHandler)); | |
| 398 if (ctx->sax == NULL) { | |
| 399 return NGX_ERROR; | |
| 400 } | |
| 401 | |
| 402 sax = ctxt->sax; | |
| 403 | |
| 404 ngx_memcpy(ctx->sax, sax, sizeof(xmlSAXHandler)); | |
| 405 | |
| 406 sax->startDocument = ngx_http_xslt_sax_start_document; | |
| 407 sax->endDocument = ngx_http_xslt_sax_end_document; | |
| 408 | |
| 409 sax->internalSubset = ngx_http_xslt_sax_internal_subset; | |
| 410 sax->externalSubset = ngx_http_xslt_sax_external_subset; | |
| 411 sax->entityDecl = ngx_http_xslt_sax_entity_decl; | |
| 412 sax->attributeDecl = ngx_http_xslt_sax_attribute_decl; | |
| 413 sax->elementDecl = ngx_http_xslt_sax_element_decl; | |
| 414 sax->notationDecl = ngx_http_xslt_sax_notation_decl; | |
| 415 sax->unparsedEntityDecl = ngx_http_xslt_sax_unparsed_entity_decl; | |
| 416 sax->setDocumentLocator = NULL; | |
| 417 | |
| 418 sax->startElementNs = ngx_http_xslt_sax_start_element; | |
| 419 sax->endElementNs = ngx_http_xslt_sax_end_element; | |
| 420 | |
| 421 sax->characters = ngx_http_xslt_sax_characters; | |
| 422 sax->ignorableWhitespace = ngx_http_xslt_sax_characters; | |
| 423 sax->cdataBlock = ngx_http_xslt_sax_cdata_block; | |
| 424 sax->getEntity = ngx_http_xslt_sax_get_entity; | |
| 425 sax->resolveEntity = ngx_http_xslt_sax_resolve_entity; | |
| 426 sax->getParameterEntity = ngx_http_xslt_sax_get_parameter_entity; | |
| 427 sax->reference = ngx_http_xslt_sax_reference; | |
| 428 sax->comment = ngx_http_xslt_sax_comment; | |
| 429 sax->processingInstruction = ngx_http_xslt_sax_processing_instruction; | |
| 430 | |
| 431 sax->isStandalone = ngx_http_xslt_sax_is_standalone; | |
| 432 sax->hasInternalSubset = ngx_http_xslt_sax_has_internal_subset; | |
| 433 sax->hasExternalSubset = ngx_http_xslt_sax_has_external_subset; | |
| 434 | |
| 435 sax->warning = NULL; | |
| 436 sax->error = ngx_http_xslt_sax_error; | |
| 437 sax->fatalError = ngx_http_xslt_sax_error; | |
| 438 | |
| 439 ctxt->userData = ctx; | |
| 440 | |
| 441 ctxt->replaceEntities = 1; | |
| 442 ctxt->loadsubset = 1; | |
| 443 | |
| 444 ctx->ctxt = ctxt; | |
| 445 ctx->request = r; | |
| 446 } | |
| 447 | |
| 448 err = xmlParseChunk(ctx->ctxt, (char *) b->pos, | |
| 449 (int) (b->last - b->pos), b->last_buf); | |
| 450 | |
| 451 if (err == 0) { | |
| 452 b->pos = b->last; | |
| 453 return NGX_OK; | |
| 454 } | |
| 455 | |
| 456 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 457 "xmlParseChunk() failed, error:%d", err); | |
| 458 | |
| 459 return NGX_ERROR; | |
| 460 } | |
| 461 | |
| 462 | |
| 463 static void | |
| 464 ngx_http_xslt_sax_start_document(void *data) | |
| 465 { | |
| 466 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 467 | |
| 468 ctx->sax->startDocument(ctx->ctxt); | |
| 469 } | |
| 470 | |
| 471 | |
| 472 static void | |
| 473 ngx_http_xslt_sax_end_document(void *data) | |
| 474 { | |
| 475 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 476 | |
| 477 ctx->sax->endDocument(ctx->ctxt); | |
| 478 } | |
| 479 | |
| 480 | |
| 481 static void | |
| 482 ngx_http_xslt_sax_internal_subset(void *data, const xmlChar *name, | |
| 483 const xmlChar *externalId, const xmlChar *systemId) | |
| 484 { | |
| 485 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 486 | |
| 487 ctx->sax->internalSubset(ctx->ctxt, name, externalId, systemId); | |
| 488 } | |
| 489 | |
| 490 | |
| 491 static void | |
| 492 ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, | |
| 493 const xmlChar *externalId, const xmlChar *systemId) | |
| 494 { | |
| 495 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 496 | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
497 xmlDocPtr doc; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
498 xmlDtdPtr dtd; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
499 ngx_http_request_t *r; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
500 ngx_http_xslt_filter_loc_conf_t *conf; |
| 2139 | 501 |
| 502 r = ctx->request; | |
| 503 | |
| 504 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
| 505 | |
| 506 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 507 "xslt filter extSubset: \"%s\" \"%s\" \"%s\"", | |
| 508 name ? name : (xmlChar *) "", | |
| 509 externalId ? externalId : (xmlChar *) "", | |
| 510 systemId ? systemId : (xmlChar *) ""); | |
| 511 | |
| 512 doc = ctx->ctxt->myDoc; | |
| 513 | |
| 514 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
| 515 | |
| 516 dtd = conf->dtd; | |
| 517 | |
| 518 #else | |
| 519 | |
| 520 dtd = xmlCopyDtd(conf->dtd); | |
| 521 if (dtd == NULL) { | |
| 522 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 523 "xmlCopyDtd() failed"); | |
| 524 return; | |
| 525 } | |
| 526 | |
| 527 if (doc->children == NULL) { | |
| 528 xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd); | |
| 529 | |
| 530 } else { | |
| 531 xmlAddPrevSibling(doc->children, (xmlNodePtr) dtd); | |
| 532 } | |
| 533 | |
| 534 #endif | |
| 535 | |
| 536 doc->extSubset = dtd; | |
| 537 } | |
| 538 | |
| 539 | |
| 540 static void | |
| 541 ngx_http_xslt_sax_entity_decl(void *data, const xmlChar *name, int type, | |
| 542 const xmlChar *publicId, const xmlChar *systemId, xmlChar *content) | |
| 543 { | |
| 544 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 545 | |
| 546 ctx->sax->entityDecl(ctx->ctxt, name, type, publicId, systemId, content); | |
| 547 } | |
| 548 | |
| 549 | |
| 550 static void | |
| 551 ngx_http_xslt_sax_attribute_decl(void *data, const xmlChar *elem, | |
| 552 const xmlChar *fullname, int type, int def, const xmlChar *defaultValue, | |
| 553 xmlEnumerationPtr tree) | |
| 554 { | |
| 555 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 556 | |
| 557 ctx->sax->attributeDecl(ctx->ctxt, elem, fullname, type, def, defaultValue, | |
| 558 tree); | |
| 559 } | |
| 560 | |
| 561 | |
| 562 static void | |
| 563 ngx_http_xslt_sax_element_decl(void *data, const xmlChar * name, int type, | |
| 564 xmlElementContentPtr content) | |
| 565 { | |
| 566 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 567 | |
| 568 ctx->sax->elementDecl(ctx->ctxt, name, type, content); | |
| 569 } | |
| 570 | |
| 571 | |
| 572 static void | |
| 573 ngx_http_xslt_sax_notation_decl(void *data, const xmlChar *name, | |
| 574 const xmlChar *publicId, const xmlChar *systemId) | |
| 575 { | |
| 576 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 577 | |
| 578 ctx->sax->notationDecl(ctx->ctxt, name, publicId, systemId); | |
| 579 } | |
| 580 | |
| 581 | |
| 582 static void | |
| 583 ngx_http_xslt_sax_unparsed_entity_decl(void *data, const xmlChar *name, | |
| 584 const xmlChar *publicId, const xmlChar *systemId, | |
| 585 const xmlChar *notationName) | |
| 586 { | |
| 587 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 588 | |
| 589 ctx->sax->unparsedEntityDecl(ctx->ctxt, name, publicId, systemId, | |
| 590 notationName); | |
| 591 } | |
| 592 | |
| 593 | |
| 594 static void | |
| 595 ngx_http_xslt_sax_start_element(void *data, const xmlChar *localname, | |
| 596 const xmlChar *prefix, const xmlChar *URI, int nb_namespaces, | |
| 597 const xmlChar **namespaces, int nb_attributes, int nb_defaulted, | |
| 598 const xmlChar **attributes) | |
| 599 { | |
| 600 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 601 | |
| 602 ctx->sax->startElementNs(ctx->ctxt, localname, prefix, URI, nb_namespaces, | |
| 603 namespaces, nb_attributes, nb_defaulted, attributes); | |
| 604 } | |
| 605 | |
| 606 | |
| 607 static void | |
| 608 ngx_http_xslt_sax_end_element(void *data, | |
| 609 const xmlChar * localname ATTRIBUTE_UNUSED, | |
| 610 const xmlChar * prefix ATTRIBUTE_UNUSED, | |
| 611 const xmlChar * URI ATTRIBUTE_UNUSED) | |
| 612 { | |
| 613 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 614 | |
| 615 ctx->sax->endElementNs(ctx->ctxt, localname, prefix, URI); | |
| 616 } | |
| 617 | |
| 618 | |
| 619 static void | |
| 620 ngx_http_xslt_sax_characters(void *data, const xmlChar *p, int len) | |
| 621 { | |
| 622 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 623 | |
| 624 ctx->sax->characters(ctx->ctxt, p, len); | |
| 625 } | |
| 626 | |
| 627 | |
| 628 static void | |
| 629 ngx_http_xslt_sax_cdata_block(void *data, const xmlChar *p, int len) | |
| 630 { | |
| 631 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 632 | |
| 633 ctx->sax->cdataBlock(ctx->ctxt, p, len); | |
| 634 } | |
| 635 | |
| 636 | |
| 637 static xmlEntityPtr | |
| 638 ngx_http_xslt_sax_get_entity(void *data, const xmlChar *name) | |
| 639 { | |
| 640 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 641 | |
| 642 return ctx->sax->getEntity(ctx->ctxt, name); | |
| 643 } | |
| 644 | |
| 645 | |
| 646 static xmlEntityPtr | |
| 647 ngx_http_xslt_sax_get_parameter_entity(void *data, const xmlChar *name) | |
| 648 { | |
| 649 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 650 | |
| 651 return ctx->sax->getParameterEntity(ctx->ctxt, name); | |
| 652 } | |
| 653 | |
| 654 | |
| 655 static xmlParserInputPtr | |
| 656 ngx_http_xslt_sax_resolve_entity(void *data, const xmlChar *publicId, | |
| 657 const xmlChar *systemId) | |
| 658 { | |
| 659 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 660 | |
| 661 return ctx->sax->resolveEntity(ctx->ctxt, publicId, systemId); | |
| 662 } | |
| 663 | |
| 664 | |
| 665 static void | |
| 666 ngx_http_xslt_sax_reference(void *data, const xmlChar *name) | |
| 667 { | |
| 668 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 669 | |
| 670 ctx->sax->reference(ctx->ctxt, name); | |
| 671 } | |
| 672 | |
| 673 | |
| 674 static void | |
| 675 ngx_http_xslt_sax_comment(void *data, const xmlChar *value) | |
| 676 { | |
| 677 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 678 | |
| 679 ctx->sax->comment(ctx->ctxt, value); | |
| 680 } | |
| 681 | |
| 682 | |
| 683 static void | |
| 684 ngx_http_xslt_sax_processing_instruction(void *data, const xmlChar *target, | |
| 685 const xmlChar *pidata) | |
| 686 { | |
| 687 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 688 | |
| 689 ctx->sax->processingInstruction(ctx->ctxt, target, pidata); | |
| 690 } | |
| 691 | |
| 692 | |
| 693 static int | |
| 694 ngx_http_xslt_sax_is_standalone(void *data) | |
| 695 { | |
| 696 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 697 | |
| 698 return ctx->sax->isStandalone(ctx->ctxt); | |
| 699 } | |
| 700 | |
| 701 | |
| 702 static int | |
| 703 ngx_http_xslt_sax_has_internal_subset(void *data) | |
| 704 { | |
| 705 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 706 | |
| 707 return ctx->sax->hasInternalSubset(ctx->ctxt); | |
| 708 } | |
| 709 | |
| 710 | |
| 711 static int | |
| 712 ngx_http_xslt_sax_has_external_subset(void *data) | |
| 713 { | |
| 714 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 715 | |
| 716 return ctx->sax->hasExternalSubset(ctx->ctxt); | |
| 717 } | |
| 718 | |
| 719 | |
| 720 static void ngx_cdecl | |
| 721 ngx_http_xslt_sax_error(void *data, const char *msg, ...) | |
| 722 { | |
| 723 ngx_http_xslt_filter_ctx_t *ctx = data; | |
| 724 | |
| 725 size_t n; | |
| 726 va_list args; | |
| 727 u_char buf[NGX_MAX_ERROR_STR]; | |
| 728 | |
| 729 buf[0] = '\0'; | |
| 730 | |
| 731 va_start(args, msg); | |
| 732 n = (size_t) vsnprintf((char *) buf, NGX_MAX_ERROR_STR, msg, args); | |
| 733 va_end(args); | |
| 734 | |
| 735 while (--n && (buf[n] == CR || buf[n] == LF)) { /* void */ } | |
| 736 | |
| 737 ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0, | |
| 738 "libxml2 error: \"%*s\"", n, buf); | |
| 739 } | |
| 740 | |
| 741 | |
| 742 static ngx_buf_t * | |
| 743 ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, | |
| 744 ngx_http_xslt_filter_ctx_t *ctx) | |
| 745 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
746 int len, rc, doc_type; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
747 u_char *type, *encoding; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
748 ngx_buf_t *b; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
749 ngx_uint_t i; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
750 xmlChar *buf; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
751 xmlDocPtr doc, res; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
752 ngx_http_xslt_sheet_t *sheet; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
753 ngx_http_xslt_filter_loc_conf_t *conf; |
| 2139 | 754 |
| 755 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
| 756 sheet = conf->sheets.elts; | |
| 757 doc = ctx->doc; | |
| 758 | |
| 759 /* preallocate array for 4 params */ | |
| 760 | |
| 761 if (ngx_array_init(&ctx->params, r->pool, 4 * 2 + 1, sizeof(char *)) | |
| 762 != NGX_OK) | |
| 763 { | |
| 764 xmlFreeDoc(doc); | |
| 765 return NULL; | |
| 766 } | |
| 767 | |
| 768 for (i = 0; i < conf->sheets.nelts; i++) { | |
| 769 | |
| 770 if (ngx_http_xslt_params(r, ctx, &sheet[i].params) != NGX_OK) { | |
| 771 xmlFreeDoc(doc); | |
| 772 return NULL; | |
| 773 } | |
| 774 | |
| 775 res = xsltApplyStylesheet(sheet[i].stylesheet, doc, ctx->params.elts); | |
| 776 | |
| 777 xmlFreeDoc(doc); | |
| 778 | |
| 779 if (res == NULL) { | |
| 780 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 781 "xsltApplyStylesheet() failed"); | |
| 782 return NULL; | |
| 783 } | |
| 784 | |
| 785 doc = res; | |
| 786 | |
| 787 /* reset array elements */ | |
| 788 ctx->params.nelts = 0; | |
| 789 } | |
| 790 | |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
791 /* there must be at least one stylesheet */ |
| 2139 | 792 |
|
2159
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
793 if (r == r->main) { |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
794 type = ngx_http_xslt_content_type(sheet[i - 1].stylesheet); |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
795 |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
796 } else { |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
797 type = NULL; |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
798 } |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
799 |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
800 encoding = ngx_http_xslt_encoding(sheet[i - 1].stylesheet); |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
801 doc_type = doc->type; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
802 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
803 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
804 "xslt filter type: %d t:%s e:%s", |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
805 doc_type, type ? type : (u_char *) "(null)", |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
806 encoding ? encoding : (u_char *) "(null)"); |
| 2139 | 807 |
| 808 rc = xsltSaveResultToString(&buf, &len, doc, sheet[i - 1].stylesheet); | |
| 809 | |
| 810 xmlFreeDoc(doc); | |
| 811 | |
| 812 if (rc != 0) { | |
| 813 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 814 "xsltSaveResultToString() failed"); | |
| 815 return NULL; | |
| 816 } | |
| 817 | |
| 818 if (len == 0) { | |
| 819 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 820 "xsltSaveResultToString() returned zero-length result"); | |
| 821 return NULL; | |
| 822 } | |
| 823 | |
| 824 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
| 825 if (b == NULL) { | |
| 826 ngx_free(buf); | |
| 827 return NULL; | |
| 828 } | |
| 829 | |
| 830 b->pos = buf; | |
| 831 b->last = buf + len; | |
| 832 b->memory = 1; | |
| 833 b->last_buf = 1; | |
| 834 | |
|
2159
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
835 if (encoding) { |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
836 r->headers_out.charset.len = ngx_strlen(encoding); |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
837 r->headers_out.charset.data = encoding; |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
838 } |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
839 |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
840 if (r != r->main) { |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
841 return b; |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
842 } |
|
0ec936b0010a
clear Last-Modified; set content-type and length for main request only
Igor Sysoev <igor@sysoev.ru>
parents:
2158
diff
changeset
|
843 |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
844 if (type) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
845 len = ngx_strlen(type); |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
846 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
847 r->headers_out.content_type_len = len; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
848 r->headers_out.content_type.len = len; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
849 r->headers_out.content_type.data = type; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
850 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
851 } else if (doc_type == XML_HTML_DOCUMENT_NODE) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
852 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
853 r->headers_out.content_type_len = sizeof("text/html") - 1; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
854 r->headers_out.content_type.len = sizeof("text/html") - 1; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
855 r->headers_out.content_type.data = (u_char *) "text/html"; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
856 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
857 |
| 2139 | 858 return b; |
| 859 } | |
| 860 | |
| 861 | |
| 862 static ngx_int_t | |
| 863 ngx_http_xslt_params(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
| 864 ngx_array_t *params) | |
| 865 { | |
| 866 u_char *p, *last, *value, *dst, *src, **s; | |
| 867 size_t len; | |
| 868 ngx_uint_t i; | |
| 869 ngx_str_t string; | |
| 870 ngx_http_xslt_param_t *param; | |
| 871 | |
| 872 param = params->elts; | |
| 873 | |
| 874 for (i = 0; i < params->nelts; i++) { | |
| 875 | |
| 876 if (ngx_http_script_run(r, &string, param[i].lengths->elts, 1, | |
| 877 param[i].values->elts) | |
| 878 == NULL) | |
| 879 { | |
| 880 return NGX_ERROR; | |
| 881 } | |
| 882 | |
| 883 last = string.data + string.len - 1; | |
| 884 *last = '\0'; | |
| 885 | |
| 886 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 887 "xslt filter param: \"%s\"", string.data); | |
| 888 | |
| 889 p = string.data; | |
| 890 | |
| 891 while (p && *p) { | |
| 892 | |
| 893 value = p; | |
| 894 p = (u_char *) ngx_strchr(p, '='); | |
| 895 if (p == NULL) { | |
| 896 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 897 "invalid libxslt parameter \"%s\"", value); | |
| 898 return NGX_ERROR; | |
| 899 } | |
| 900 *p++ = '\0'; | |
| 901 | |
| 902 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 903 "xslt filter param name: \"%s\"", value); | |
| 904 | |
| 905 s = ngx_array_push(&ctx->params); | |
| 906 if (s == NULL) { | |
| 907 return NGX_ERROR; | |
| 908 } | |
| 909 | |
| 910 *s = value; | |
| 911 | |
| 912 value = p; | |
| 913 p = (u_char *) ngx_strchr(p, ':'); | |
| 914 | |
| 915 if (p) { | |
| 916 len = p - value; | |
| 917 *p++ = '\0'; | |
| 918 | |
| 919 } else { | |
| 920 len = last - value; | |
| 921 } | |
| 922 | |
| 923 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 924 "xslt filter param value: \"%s\"", value); | |
| 925 | |
| 926 dst = value; | |
| 927 src = value; | |
| 928 | |
| 929 ngx_unescape_uri(&dst, &src, len, 0); | |
| 930 | |
| 931 *dst = '\0'; | |
| 932 | |
| 933 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 934 "xslt filter param unescaped: \"%s\"", value); | |
| 935 | |
| 936 s = ngx_array_push(&ctx->params); | |
| 937 if (s == NULL) { | |
| 938 return NGX_ERROR; | |
| 939 } | |
| 940 | |
| 941 *s = value; | |
| 942 } | |
| 943 } | |
| 944 | |
| 945 s = ngx_array_push(&ctx->params); | |
| 946 if (s == NULL) { | |
| 947 return NGX_ERROR; | |
| 948 } | |
| 949 | |
| 950 *s = NULL; | |
| 951 | |
| 952 return NGX_OK; | |
| 953 } | |
| 954 | |
| 955 | |
|
2153
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
956 static u_char * |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
957 ngx_http_xslt_content_type(xsltStylesheetPtr s) |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
958 { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
959 u_char *type; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
960 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
961 if (s->mediaType) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
962 return s->mediaType; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
963 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
964 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
965 for (s = s->imports; s; s = s->next) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
966 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
967 type = ngx_http_xslt_content_type(s); |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
968 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
969 if (type) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
970 return type; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
971 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
972 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
973 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
974 return NULL; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
975 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
976 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
977 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
978 static u_char * |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
979 ngx_http_xslt_encoding(xsltStylesheetPtr s) |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
980 { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
981 u_char *encoding; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
982 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
983 if (s->encoding) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
984 return s->encoding; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
985 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
986 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
987 for (s = s->imports; s; s = s->next) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
988 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
989 encoding = ngx_http_xslt_encoding(s); |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
990 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
991 if (encoding) { |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
992 return encoding; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
993 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
994 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
995 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
996 return NULL; |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
997 } |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
998 |
|
6476e445d6ce
xsl:output's media-type and encoding support
Igor Sysoev <igor@sysoev.ru>
parents:
2152
diff
changeset
|
999 |
| 2139 | 1000 static void |
| 1001 ngx_http_xslt_cleanup(void *data) | |
| 1002 { | |
| 1003 ngx_free(data); | |
| 1004 } | |
| 1005 | |
| 1006 | |
| 1007 static char * | |
| 1008 ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1009 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1010 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
| 2139 | 1011 |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1012 ngx_str_t *value; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1013 ngx_uint_t i; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1014 ngx_pool_cleanup_t *cln; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1015 ngx_http_xslt_file_t *file; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1016 ngx_http_xslt_filter_main_conf_t *xmcf; |
| 2139 | 1017 |
| 1018 if (xlcf->dtd) { | |
| 1019 return "is duplicate"; | |
| 1020 } | |
| 1021 | |
| 1022 value = cf->args->elts; | |
| 1023 | |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1024 xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1025 |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1026 file = xmcf->dtd_files.elts; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1027 for (i = 0; i < xmcf->dtd_files.nelts; i++) { |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1028 if (ngx_strcmp(file[i].name, &value[1].data) == 0) { |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1029 xlcf->dtd = file[i].data; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1030 return NGX_CONF_OK; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1031 } |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1032 } |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1033 |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1034 cln = ngx_pool_cleanup_add(cf->pool, 0); |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1035 if (cln == NULL) { |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1036 return NGX_CONF_ERROR; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1037 } |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1038 |
| 2139 | 1039 xlcf->dtd = xmlParseDTD(NULL, (xmlChar *) value[1].data); |
| 1040 | |
| 1041 if (xlcf->dtd == NULL) { | |
| 1042 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, "xmlParseDTD() failed"); | |
| 1043 return NGX_CONF_ERROR; | |
| 1044 } | |
| 1045 | |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1046 cln->handler = ngx_http_xslt_cleanup_dtd; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1047 cln->data = xlcf->dtd; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1048 |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1049 file = ngx_array_push(&xmcf->dtd_files); |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1050 if (file == NULL) { |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1051 return NGX_CONF_ERROR; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1052 } |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1053 |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1054 file->name = value[1].data; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1055 file->data = xlcf->dtd; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1056 |
| 2139 | 1057 return NGX_CONF_OK; |
| 1058 } | |
| 1059 | |
| 1060 | |
| 1061 | |
| 1062 static char * | |
| 1063 ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1064 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1065 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
| 2139 | 1066 |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1067 ngx_str_t *value; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1068 ngx_uint_t i, n; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1069 ngx_pool_cleanup_t *cln; |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1070 ngx_http_xslt_file_t *file; |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1071 ngx_http_xslt_sheet_t *sheet; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1072 ngx_http_xslt_param_t *param; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1073 ngx_http_script_compile_t sc; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1074 ngx_http_xslt_filter_main_conf_t *xmcf; |
| 2139 | 1075 |
| 1076 value = cf->args->elts; | |
| 1077 | |
| 1078 if (xlcf->sheets.elts == NULL) { | |
| 1079 if (ngx_array_init(&xlcf->sheets, cf->pool, 1, | |
| 1080 sizeof(ngx_http_xslt_sheet_t)) | |
| 1081 != NGX_OK) | |
| 1082 { | |
| 1083 return NGX_CONF_ERROR; | |
| 1084 } | |
| 1085 } | |
| 1086 | |
| 1087 sheet = ngx_array_push(&xlcf->sheets); | |
| 1088 if (sheet == NULL) { | |
| 1089 return NGX_CONF_ERROR; | |
| 1090 } | |
| 1091 | |
| 1092 ngx_memzero(sheet, sizeof(ngx_http_xslt_sheet_t)); | |
| 1093 | |
| 1094 if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { | |
| 1095 return NGX_CONF_ERROR; | |
| 1096 } | |
| 1097 | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1098 xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1099 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1100 file = xmcf->sheet_files.elts; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1101 for (i = 0; i < xmcf->sheet_files.nelts; i++) { |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1102 if (ngx_strcmp(file[i].name, &value[1].data) == 0) { |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1103 sheet->stylesheet = file[i].data; |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1104 goto found; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1105 } |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1106 } |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1107 |
| 2139 | 1108 cln = ngx_pool_cleanup_add(cf->pool, 0); |
| 1109 if (cln == NULL) { | |
| 1110 return NGX_CONF_ERROR; | |
| 1111 } | |
| 1112 | |
| 1113 sheet->stylesheet = xsltParseStylesheetFile(value[1].data); | |
| 1114 if (sheet->stylesheet == NULL) { | |
| 1115 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
| 1116 "xsltParseStylesheetFile(\"%s\") failed", | |
| 1117 value[1].data); | |
| 1118 return NGX_CONF_ERROR; | |
| 1119 } | |
| 1120 | |
| 1121 cln->handler = ngx_http_xslt_cleanup_stylesheet; | |
| 1122 cln->data = sheet->stylesheet; | |
| 1123 | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1124 file = ngx_array_push(&xmcf->sheet_files); |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1125 if (file == NULL) { |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1126 return NGX_CONF_ERROR; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1127 } |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1128 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1129 file->name = value[1].data; |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1130 file->data = sheet->stylesheet; |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1131 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1132 found: |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1133 |
| 2139 | 1134 n = cf->args->nelts; |
| 1135 | |
| 1136 if (n == 2) { | |
| 1137 return NGX_CONF_OK; | |
| 1138 } | |
| 1139 | |
| 1140 if (ngx_array_init(&sheet->params, cf->pool, n - 2, | |
| 1141 sizeof(ngx_http_xslt_param_t)) | |
| 1142 != NGX_OK) | |
| 1143 { | |
| 1144 return NGX_CONF_ERROR; | |
| 1145 } | |
| 1146 | |
| 1147 for (i = 2; i < n; i++) { | |
| 1148 | |
| 1149 param = ngx_array_push(&sheet->params); | |
| 1150 if (param == NULL) { | |
| 1151 return NGX_CONF_ERROR; | |
| 1152 } | |
| 1153 | |
| 1154 param->lengths = NULL; | |
| 1155 param->values = NULL; | |
| 1156 | |
| 1157 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1158 | |
| 1159 sc.cf = cf; | |
| 1160 sc.source = &value[i]; | |
| 1161 sc.lengths = ¶m->lengths; | |
| 1162 sc.values = ¶m->values; | |
| 1163 sc.variables = ngx_http_script_variables_count(&value[i]); | |
| 1164 sc.complete_lengths = 1; | |
| 1165 sc.complete_values = 1; | |
| 1166 | |
| 1167 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1168 return NGX_CONF_ERROR; | |
| 1169 } | |
| 1170 } | |
| 1171 | |
| 1172 return NGX_CONF_OK; | |
| 1173 } | |
| 1174 | |
| 1175 | |
| 1176 static void | |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1177 ngx_http_xslt_cleanup_dtd(void *data) |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1178 { |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1179 xmlFreeDtd(data); |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1180 } |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1181 |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1182 |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1183 static void |
| 2139 | 1184 ngx_http_xslt_cleanup_stylesheet(void *data) |
| 1185 { | |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1186 xsltFreeStylesheet(data); |
| 2139 | 1187 } |
| 1188 | |
| 1189 | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1190 static void * |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1191 ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf) |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1192 { |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1193 ngx_http_xslt_filter_main_conf_t *conf; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1194 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1195 conf = ngx_palloc(cf->pool, sizeof(ngx_http_xslt_filter_main_conf_t)); |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1196 if (conf == NULL) { |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1197 return NGX_CONF_ERROR; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1198 } |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1199 |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1200 if (ngx_array_init(&conf->dtd_files, cf->pool, 1, |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1201 sizeof(ngx_http_xslt_file_t)) |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1202 != NGX_OK) |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1203 { |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1204 return NULL; |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1205 } |
|
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1206 |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1207 if (ngx_array_init(&conf->sheet_files, cf->pool, 1, |
|
2156
0c6d0bd60579
reuse compiled DTD hash in different locations, add DTD cleanup
Igor Sysoev <igor@sysoev.ru>
parents:
2154
diff
changeset
|
1208 sizeof(ngx_http_xslt_file_t)) |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1209 != NGX_OK) |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1210 { |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1211 return NULL; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1212 } |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1213 |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1214 return conf; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1215 } |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1216 |
| 2139 | 1217 |
| 1218 static void * | |
| 1219 ngx_http_xslt_filter_create_conf(ngx_conf_t *cf) | |
| 1220 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1221 ngx_http_xslt_filter_loc_conf_t *conf; |
| 2139 | 1222 |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1223 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_xslt_filter_loc_conf_t)); |
| 2139 | 1224 if (conf == NULL) { |
| 1225 return NGX_CONF_ERROR; | |
| 1226 } | |
| 1227 | |
| 1228 /* | |
| 1229 * set by ngx_pcalloc(): | |
| 1230 * | |
| 2148 | 1231 * conf->dtd = NULL; |
| 1232 * conf->sheets = { NULL }; | |
| 1233 * conf->types = { NULL }; | |
| 1234 * conf->types_keys = NULL; | |
| 2139 | 1235 */ |
| 1236 | |
| 1237 return conf; | |
| 1238 } | |
| 1239 | |
| 1240 | |
| 1241 static char * | |
| 1242 ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1243 { | |
|
2154
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1244 ngx_http_xslt_filter_loc_conf_t *prev = parent; |
|
4f48a2765da0
reuse compiled XSLT tree in different locations
Igor Sysoev <igor@sysoev.ru>
parents:
2153
diff
changeset
|
1245 ngx_http_xslt_filter_loc_conf_t *conf = child; |
| 2139 | 1246 |
| 1247 if (conf->dtd == NULL) { | |
| 1248 conf->dtd = prev->dtd; | |
| 1249 } | |
| 1250 | |
| 1251 if (conf->sheets.nelts == 0) { | |
| 1252 conf->sheets = prev->sheets; | |
| 1253 } | |
| 1254 | |
| 2148 | 1255 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types, |
| 1256 prev->types_keys, &prev->types, | |
| 1257 ngx_http_xslt_default_types) | |
| 2139 | 1258 != NGX_OK) |
| 1259 { | |
| 1260 return NGX_CONF_ERROR; | |
| 1261 } | |
| 1262 | |
| 1263 return NGX_CONF_OK; | |
| 1264 } | |
| 1265 | |
| 1266 | |
| 1267 static ngx_int_t | |
| 1268 ngx_http_xslt_filter_init(ngx_conf_t *cf) | |
| 1269 { | |
| 1270 xmlInitParser(); | |
| 1271 | |
| 1272 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
| 1273 ngx_http_top_header_filter = ngx_http_xslt_header_filter; | |
| 1274 | |
| 1275 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
| 1276 ngx_http_top_body_filter = ngx_http_xslt_body_filter; | |
| 1277 | |
| 1278 return NGX_OK; | |
| 1279 } | |
| 1280 | |
| 1281 | |
| 1282 static void | |
| 1283 ngx_http_xslt_filter_exit(ngx_cycle_t *cycle) | |
| 1284 { | |
| 1285 xsltCleanupGlobals(); | |
| 1286 xmlCleanupParser(); | |
| 1287 } |