Mercurial > hg > nginx
annotate src/http/modules/ngx_http_xslt_filter_module.c @ 8391:2d5db7faa788 quic
Removed outdated debug.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Thu, 14 May 2020 18:10:53 +0300 |
parents | 9a970c905045 |
children | 1f3bf1734a77 |
rev | line source |
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2139 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
2139 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 #include <libxml/parser.h> | |
13 #include <libxml/tree.h> | |
14 #include <libxslt/xslt.h> | |
15 #include <libxslt/xsltInternals.h> | |
16 #include <libxslt/transform.h> | |
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17 #include <libxslt/variables.h> |
2139 | 18 #include <libxslt/xsltutils.h> |
19 | |
2299 | 20 #if (NGX_HAVE_EXSLT) |
21 #include <libexslt/exslt.h> | |
22 #endif | |
23 | |
2139 | 24 |
25 #ifndef NGX_HTTP_XSLT_REUSE_DTD | |
26 #define NGX_HTTP_XSLT_REUSE_DTD 1 | |
27 #endif | |
28 | |
29 | |
30 typedef struct { | |
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31 u_char *name; |
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32 void *data; |
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33 } ngx_http_xslt_file_t; |
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34 |
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35 |
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36 typedef struct { |
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37 ngx_array_t dtd_files; /* ngx_http_xslt_file_t */ |
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38 ngx_array_t sheet_files; /* ngx_http_xslt_file_t */ |
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39 } ngx_http_xslt_filter_main_conf_t; |
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40 |
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41 |
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42 typedef struct { |
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43 u_char *name; |
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44 ngx_http_complex_value_t value; |
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45 ngx_uint_t quote; /* unsigned quote:1; */ |
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46 } ngx_http_xslt_param_t; |
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47 |
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48 |
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49 typedef struct { |
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50 xsltStylesheetPtr stylesheet; |
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51 ngx_array_t params; /* ngx_http_xslt_param_t */ |
2139 | 52 } ngx_http_xslt_sheet_t; |
53 | |
54 | |
55 typedef struct { | |
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56 xmlDtdPtr dtd; |
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57 ngx_array_t sheets; /* ngx_http_xslt_sheet_t */ |
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58 ngx_hash_t types; |
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59 ngx_array_t *types_keys; |
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60 ngx_array_t *params; /* ngx_http_xslt_param_t */ |
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61 ngx_flag_t last_modified; |
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62 } ngx_http_xslt_filter_loc_conf_t; |
2139 | 63 |
64 | |
65 typedef struct { | |
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66 xmlDocPtr doc; |
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67 xmlParserCtxtPtr ctxt; |
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68 xsltTransformContextPtr transform; |
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69 ngx_http_request_t *request; |
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70 ngx_array_t params; |
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71 |
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72 ngx_uint_t done; /* unsigned done:1; */ |
2139 | 73 } ngx_http_xslt_filter_ctx_t; |
74 | |
75 | |
76 static ngx_int_t ngx_http_xslt_send(ngx_http_request_t *r, | |
77 ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); | |
78 static ngx_int_t ngx_http_xslt_add_chunk(ngx_http_request_t *r, | |
79 ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); | |
80 | |
81 | |
82 static void ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, | |
83 const xmlChar *externalId, const xmlChar *systemId); | |
84 static void ngx_cdecl ngx_http_xslt_sax_error(void *data, const char *msg, ...); | |
85 | |
86 | |
87 static ngx_buf_t *ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, | |
88 ngx_http_xslt_filter_ctx_t *ctx); | |
89 static ngx_int_t ngx_http_xslt_params(ngx_http_request_t *r, | |
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90 ngx_http_xslt_filter_ctx_t *ctx, ngx_array_t *params, ngx_uint_t final); |
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91 static u_char *ngx_http_xslt_content_type(xsltStylesheetPtr s); |
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92 static u_char *ngx_http_xslt_encoding(xsltStylesheetPtr s); |
2139 | 93 static void ngx_http_xslt_cleanup(void *data); |
94 | |
95 static char *ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, | |
96 void *conf); | |
97 static char *ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, | |
98 void *conf); | |
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99 static char *ngx_http_xslt_param(ngx_conf_t *cf, ngx_command_t *cmd, |
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100 void *conf); |
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101 static void ngx_http_xslt_cleanup_dtd(void *data); |
2139 | 102 static void ngx_http_xslt_cleanup_stylesheet(void *data); |
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103 static void *ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf); |
2139 | 104 static void *ngx_http_xslt_filter_create_conf(ngx_conf_t *cf); |
105 static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, | |
106 void *child); | |
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107 static ngx_int_t ngx_http_xslt_filter_preconfiguration(ngx_conf_t *cf); |
2139 | 108 static ngx_int_t ngx_http_xslt_filter_init(ngx_conf_t *cf); |
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109 static void ngx_http_xslt_filter_exit(ngx_cycle_t *cycle); |
2139 | 110 |
111 | |
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112 static ngx_str_t ngx_http_xslt_default_types[] = { |
2139 | 113 ngx_string("text/xml"), |
114 ngx_null_string | |
115 }; | |
116 | |
117 | |
118 static ngx_command_t ngx_http_xslt_filter_commands[] = { | |
119 | |
120 { ngx_string("xml_entities"), | |
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121 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
2139 | 122 ngx_http_xslt_entities, |
123 NGX_HTTP_LOC_CONF_OFFSET, | |
124 0, | |
125 NULL }, | |
126 | |
127 { ngx_string("xslt_stylesheet"), | |
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128 NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
2139 | 129 ngx_http_xslt_stylesheet, |
130 NGX_HTTP_LOC_CONF_OFFSET, | |
131 0, | |
132 NULL }, | |
133 | |
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134 { ngx_string("xslt_param"), |
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135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
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136 ngx_http_xslt_param, |
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137 NGX_HTTP_LOC_CONF_OFFSET, |
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138 0, |
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139 NULL }, |
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140 |
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141 { ngx_string("xslt_string_param"), |
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142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
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143 ngx_http_xslt_param, |
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144 NGX_HTTP_LOC_CONF_OFFSET, |
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145 0, |
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146 (void *) 1 }, |
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147 |
2139 | 148 { ngx_string("xslt_types"), |
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149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
2139 | 150 ngx_http_types_slot, |
151 NGX_HTTP_LOC_CONF_OFFSET, | |
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152 offsetof(ngx_http_xslt_filter_loc_conf_t, types_keys), |
2139 | 153 &ngx_http_xslt_default_types[0] }, |
154 | |
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155 { ngx_string("xslt_last_modified"), |
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156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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157 ngx_conf_set_flag_slot, |
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158 NGX_HTTP_LOC_CONF_OFFSET, |
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159 offsetof(ngx_http_xslt_filter_loc_conf_t, last_modified), |
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160 NULL }, |
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161 |
2139 | 162 ngx_null_command |
163 }; | |
164 | |
165 | |
166 static ngx_http_module_t ngx_http_xslt_filter_module_ctx = { | |
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167 ngx_http_xslt_filter_preconfiguration, /* preconfiguration */ |
2139 | 168 ngx_http_xslt_filter_init, /* postconfiguration */ |
169 | |
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170 ngx_http_xslt_filter_create_main_conf, /* create main configuration */ |
2139 | 171 NULL, /* init main configuration */ |
172 | |
173 NULL, /* create server configuration */ | |
174 NULL, /* merge server configuration */ | |
175 | |
176 ngx_http_xslt_filter_create_conf, /* create location configuration */ | |
177 ngx_http_xslt_filter_merge_conf /* merge location configuration */ | |
178 }; | |
179 | |
180 | |
181 ngx_module_t ngx_http_xslt_filter_module = { | |
182 NGX_MODULE_V1, | |
183 &ngx_http_xslt_filter_module_ctx, /* module context */ | |
184 ngx_http_xslt_filter_commands, /* module directives */ | |
185 NGX_HTTP_MODULE, /* module type */ | |
186 NULL, /* init master */ | |
187 NULL, /* init module */ | |
188 NULL, /* init process */ | |
189 NULL, /* init thread */ | |
190 NULL, /* exit thread */ | |
2983 | 191 ngx_http_xslt_filter_exit, /* exit process */ |
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192 ngx_http_xslt_filter_exit, /* exit master */ |
2139 | 193 NGX_MODULE_V1_PADDING |
194 }; | |
195 | |
196 | |
197 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; | |
198 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; | |
199 | |
200 | |
201 static ngx_int_t | |
202 ngx_http_xslt_header_filter(ngx_http_request_t *r) | |
203 { | |
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204 ngx_http_xslt_filter_ctx_t *ctx; |
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205 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 206 |
207 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
208 "xslt filter header"); | |
209 | |
210 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { | |
211 return ngx_http_next_header_filter(r); | |
212 } | |
213 | |
214 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
215 | |
216 if (conf->sheets.nelts == 0 | |
2148 | 217 || ngx_http_test_content_type(r, &conf->types) == NULL) |
2139 | 218 { |
219 return ngx_http_next_header_filter(r); | |
220 } | |
221 | |
222 ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); | |
223 | |
224 if (ctx) { | |
225 return ngx_http_next_header_filter(r); | |
226 } | |
227 | |
228 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_xslt_filter_ctx_t)); | |
229 if (ctx == NULL) { | |
230 return NGX_ERROR; | |
231 } | |
232 | |
233 ngx_http_set_ctx(r, ctx, ngx_http_xslt_filter_module); | |
234 | |
235 r->main_filter_need_in_memory = 1; | |
236 | |
237 return NGX_OK; | |
238 } | |
239 | |
240 | |
241 static ngx_int_t | |
242 ngx_http_xslt_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
243 { | |
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244 int wellFormed; |
2139 | 245 ngx_chain_t *cl; |
246 ngx_http_xslt_filter_ctx_t *ctx; | |
247 | |
248 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
249 "xslt filter body"); | |
250 | |
251 if (in == NULL) { | |
252 return ngx_http_next_body_filter(r, in); | |
253 } | |
254 | |
255 ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); | |
256 | |
257 if (ctx == NULL || ctx->done) { | |
258 return ngx_http_next_body_filter(r, in); | |
259 } | |
260 | |
261 for (cl = in; cl; cl = cl->next) { | |
262 | |
263 if (ngx_http_xslt_add_chunk(r, ctx, cl->buf) != NGX_OK) { | |
264 | |
3642 | 265 if (ctx->ctxt->myDoc) { |
2139 | 266 |
267 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
268 ctx->ctxt->myDoc->extSubset = NULL; | |
269 #endif | |
270 xmlFreeDoc(ctx->ctxt->myDoc); | |
271 } | |
272 | |
273 xmlFreeParserCtxt(ctx->ctxt); | |
274 | |
275 return ngx_http_xslt_send(r, ctx, NULL); | |
276 } | |
277 | |
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278 if (cl->buf->last_buf || cl->buf->last_in_chain) { |
2139 | 279 |
280 ctx->doc = ctx->ctxt->myDoc; | |
281 | |
282 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
283 ctx->doc->extSubset = NULL; | |
284 #endif | |
285 | |
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286 wellFormed = ctx->ctxt->wellFormed; |
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287 |
2139 | 288 xmlFreeParserCtxt(ctx->ctxt); |
289 | |
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290 if (wellFormed) { |
2139 | 291 return ngx_http_xslt_send(r, ctx, |
292 ngx_http_xslt_apply_stylesheet(r, ctx)); | |
293 } | |
294 | |
295 xmlFreeDoc(ctx->doc); | |
296 | |
297 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
298 "not well formed XML document"); | |
299 | |
300 return ngx_http_xslt_send(r, ctx, NULL); | |
301 } | |
302 } | |
303 | |
304 return NGX_OK; | |
305 } | |
306 | |
307 | |
308 static ngx_int_t | |
309 ngx_http_xslt_send(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
310 ngx_buf_t *b) | |
311 { | |
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312 ngx_int_t rc; |
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313 ngx_chain_t out; |
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314 ngx_pool_cleanup_t *cln; |
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315 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 316 |
317 ctx->done = 1; | |
318 | |
319 if (b == NULL) { | |
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320 return ngx_http_filter_finalize_request(r, &ngx_http_xslt_filter_module, |
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321 NGX_HTTP_INTERNAL_SERVER_ERROR); |
2139 | 322 } |
323 | |
324 cln = ngx_pool_cleanup_add(r->pool, 0); | |
325 | |
326 if (cln == NULL) { | |
327 ngx_free(b->pos); | |
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328 return ngx_http_filter_finalize_request(r, &ngx_http_xslt_filter_module, |
2139 | 329 NGX_HTTP_INTERNAL_SERVER_ERROR); |
330 } | |
331 | |
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332 if (r == r->main) { |
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333 r->headers_out.content_length_n = b->last - b->pos; |
2139 | 334 |
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335 if (r->headers_out.content_length) { |
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336 r->headers_out.content_length->hash = 0; |
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337 r->headers_out.content_length = NULL; |
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338 } |
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339 |
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340 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); |
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341 |
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342 if (!conf->last_modified) { |
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343 ngx_http_clear_last_modified(r); |
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344 ngx_http_clear_etag(r); |
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345 |
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346 } else { |
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347 ngx_http_weak_etag(r); |
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348 } |
2139 | 349 } |
350 | |
351 rc = ngx_http_next_header_filter(r); | |
352 | |
353 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
354 ngx_free(b->pos); | |
355 return rc; | |
356 } | |
357 | |
358 cln->handler = ngx_http_xslt_cleanup; | |
359 cln->data = b->pos; | |
360 | |
361 out.buf = b; | |
362 out.next = NULL; | |
363 | |
364 return ngx_http_next_body_filter(r, &out); | |
365 } | |
366 | |
367 | |
368 static ngx_int_t | |
369 ngx_http_xslt_add_chunk(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
370 ngx_buf_t *b) | |
371 { | |
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372 int err; |
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373 xmlParserCtxtPtr ctxt; |
2139 | 374 |
375 if (ctx->ctxt == NULL) { | |
376 | |
377 ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL); | |
378 if (ctxt == NULL) { | |
379 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
380 "xmlCreatePushParserCtxt() failed"); | |
381 return NGX_ERROR; | |
382 } | |
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383 xmlCtxtUseOptions(ctxt, XML_PARSE_NOENT|XML_PARSE_DTDLOAD |
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384 |XML_PARSE_NOWARNING); |
2139 | 385 |
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386 ctxt->sax->externalSubset = ngx_http_xslt_sax_external_subset; |
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387 ctxt->sax->setDocumentLocator = NULL; |
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388 ctxt->sax->error = ngx_http_xslt_sax_error; |
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389 ctxt->sax->fatalError = ngx_http_xslt_sax_error; |
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390 ctxt->sax->_private = ctx; |
2139 | 391 |
392 ctx->ctxt = ctxt; | |
393 ctx->request = r; | |
394 } | |
395 | |
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396 err = xmlParseChunk(ctx->ctxt, (char *) b->pos, (int) (b->last - b->pos), |
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397 (b->last_buf) || (b->last_in_chain)); |
2139 | 398 |
399 if (err == 0) { | |
400 b->pos = b->last; | |
401 return NGX_OK; | |
402 } | |
403 | |
404 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
405 "xmlParseChunk() failed, error:%d", err); | |
406 | |
407 return NGX_ERROR; | |
408 } | |
409 | |
410 | |
411 static void | |
412 ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, | |
413 const xmlChar *externalId, const xmlChar *systemId) | |
414 { | |
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415 xmlParserCtxtPtr ctxt = data; |
2139 | 416 |
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417 xmlDocPtr doc; |
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418 xmlDtdPtr dtd; |
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419 ngx_http_request_t *r; |
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420 ngx_http_xslt_filter_ctx_t *ctx; |
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421 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 422 |
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423 ctx = ctxt->sax->_private; |
2139 | 424 r = ctx->request; |
425 | |
426 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
427 | |
428 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
429 "xslt filter extSubset: \"%s\" \"%s\" \"%s\"", | |
430 name ? name : (xmlChar *) "", | |
431 externalId ? externalId : (xmlChar *) "", | |
432 systemId ? systemId : (xmlChar *) ""); | |
433 | |
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434 doc = ctxt->myDoc; |
2139 | 435 |
436 #if (NGX_HTTP_XSLT_REUSE_DTD) | |
437 | |
438 dtd = conf->dtd; | |
439 | |
440 #else | |
441 | |
442 dtd = xmlCopyDtd(conf->dtd); | |
443 if (dtd == NULL) { | |
444 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
445 "xmlCopyDtd() failed"); | |
446 return; | |
447 } | |
448 | |
449 if (doc->children == NULL) { | |
450 xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd); | |
451 | |
452 } else { | |
453 xmlAddPrevSibling(doc->children, (xmlNodePtr) dtd); | |
454 } | |
455 | |
456 #endif | |
457 | |
458 doc->extSubset = dtd; | |
459 } | |
460 | |
461 | |
462 static void ngx_cdecl | |
463 ngx_http_xslt_sax_error(void *data, const char *msg, ...) | |
464 { | |
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465 xmlParserCtxtPtr ctxt = data; |
2139 | 466 |
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467 size_t n; |
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468 va_list args; |
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469 ngx_http_xslt_filter_ctx_t *ctx; |
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470 u_char buf[NGX_MAX_ERROR_STR]; |
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471 |
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472 ctx = ctxt->sax->_private; |
2139 | 473 |
474 buf[0] = '\0'; | |
475 | |
476 va_start(args, msg); | |
477 n = (size_t) vsnprintf((char *) buf, NGX_MAX_ERROR_STR, msg, args); | |
478 va_end(args); | |
479 | |
480 while (--n && (buf[n] == CR || buf[n] == LF)) { /* void */ } | |
481 | |
482 ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0, | |
2999 | 483 "libxml2 error: \"%*s\"", n + 1, buf); |
2139 | 484 } |
485 | |
486 | |
487 static ngx_buf_t * | |
488 ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, | |
489 ngx_http_xslt_filter_ctx_t *ctx) | |
490 { | |
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491 int len, rc, doc_type; |
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492 u_char *type, *encoding; |
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493 ngx_buf_t *b; |
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494 ngx_uint_t i; |
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495 xmlChar *buf; |
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496 xmlDocPtr doc, res; |
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497 ngx_http_xslt_sheet_t *sheet; |
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498 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 499 |
500 conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); | |
501 sheet = conf->sheets.elts; | |
502 doc = ctx->doc; | |
503 | |
504 /* preallocate array for 4 params */ | |
505 | |
506 if (ngx_array_init(&ctx->params, r->pool, 4 * 2 + 1, sizeof(char *)) | |
507 != NGX_OK) | |
508 { | |
509 xmlFreeDoc(doc); | |
510 return NULL; | |
511 } | |
512 | |
513 for (i = 0; i < conf->sheets.nelts; i++) { | |
514 | |
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515 ctx->transform = xsltNewTransformContext(sheet[i].stylesheet, doc); |
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516 if (ctx->transform == NULL) { |
2139 | 517 xmlFreeDoc(doc); |
518 return NULL; | |
519 } | |
520 | |
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521 if (conf->params |
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522 && ngx_http_xslt_params(r, ctx, conf->params, 0) != NGX_OK) |
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523 { |
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524 xsltFreeTransformContext(ctx->transform); |
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525 xmlFreeDoc(doc); |
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526 return NULL; |
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527 } |
2139 | 528 |
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529 if (ngx_http_xslt_params(r, ctx, &sheet[i].params, 1) != NGX_OK) { |
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530 xsltFreeTransformContext(ctx->transform); |
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531 xmlFreeDoc(doc); |
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532 return NULL; |
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533 } |
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534 |
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Added xslt_param and xslt_string_param directives.
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535 res = xsltApplyStylesheetUser(sheet[i].stylesheet, doc, |
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536 ctx->params.elts, NULL, NULL, |
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537 ctx->transform); |
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538 |
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539 xsltFreeTransformContext(ctx->transform); |
2139 | 540 xmlFreeDoc(doc); |
541 | |
542 if (res == NULL) { | |
543 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
544 "xsltApplyStylesheet() failed"); | |
545 return NULL; | |
546 } | |
547 | |
548 doc = res; | |
549 | |
550 /* reset array elements */ | |
551 ctx->params.nelts = 0; | |
552 } | |
553 | |
2153
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554 /* there must be at least one stylesheet */ |
2139 | 555 |
2159
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556 if (r == r->main) { |
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557 type = ngx_http_xslt_content_type(sheet[i - 1].stylesheet); |
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558 |
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559 } else { |
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560 type = NULL; |
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561 } |
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562 |
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563 encoding = ngx_http_xslt_encoding(sheet[i - 1].stylesheet); |
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564 doc_type = doc->type; |
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565 |
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566 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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567 "xslt filter type: %d t:%s e:%s", |
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568 doc_type, type ? type : (u_char *) "(null)", |
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569 encoding ? encoding : (u_char *) "(null)"); |
2139 | 570 |
571 rc = xsltSaveResultToString(&buf, &len, doc, sheet[i - 1].stylesheet); | |
572 | |
573 xmlFreeDoc(doc); | |
574 | |
575 if (rc != 0) { | |
576 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
577 "xsltSaveResultToString() failed"); | |
578 return NULL; | |
579 } | |
580 | |
581 if (len == 0) { | |
582 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
583 "xsltSaveResultToString() returned zero-length result"); | |
584 return NULL; | |
585 } | |
586 | |
6973
99934aade555
Use ngx_calloc_buf() where appropriate.
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587 b = ngx_calloc_buf(r->pool); |
2139 | 588 if (b == NULL) { |
589 ngx_free(buf); | |
590 return NULL; | |
591 } | |
592 | |
593 b->pos = buf; | |
594 b->last = buf + len; | |
595 b->memory = 1; | |
596 | |
2159
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597 if (encoding) { |
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598 r->headers_out.charset.len = ngx_strlen(encoding); |
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599 r->headers_out.charset.data = encoding; |
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600 } |
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601 |
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602 if (r != r->main) { |
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603 return b; |
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604 } |
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605 |
2899
61d5b945730a
fix XSLT filter in SSI subrequests
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|
606 b->last_buf = 1; |
61d5b945730a
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|
607 |
2153
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608 if (type) { |
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609 len = ngx_strlen(type); |
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610 |
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611 r->headers_out.content_type_len = len; |
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612 r->headers_out.content_type.len = len; |
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|
613 r->headers_out.content_type.data = type; |
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614 |
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615 } else if (doc_type == XML_HTML_DOCUMENT_NODE) { |
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616 |
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617 r->headers_out.content_type_len = sizeof("text/html") - 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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3508
diff
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|
618 ngx_str_set(&r->headers_out.content_type, "text/html"); |
2153
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619 } |
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|
620 |
2882
896db5a09bd2
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|
621 r->headers_out.content_type_lowcase = NULL; |
896db5a09bd2
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622 |
2139 | 623 return b; |
624 } | |
625 | |
626 | |
627 static ngx_int_t | |
628 ngx_http_xslt_params(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, | |
4554
212a0251951b
Added xslt_param and xslt_string_param directives.
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629 ngx_array_t *params, ngx_uint_t final) |
2139 | 630 { |
7540
9a970c905045
Xslt: fixed potential buffer overflow with null character.
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|
631 u_char *p, *value, *dst, *src, **s; |
4554
212a0251951b
Added xslt_param and xslt_string_param directives.
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632 size_t len; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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633 ngx_uint_t i; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
634 ngx_str_t string; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
635 ngx_http_xslt_param_t *param; |
2139 | 636 |
637 param = params->elts; | |
638 | |
639 for (i = 0; i < params->nelts; i++) { | |
640 | |
4554
212a0251951b
Added xslt_param and xslt_string_param directives.
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641 if (ngx_http_complex_value(r, ¶m[i].value, &string) != NGX_OK) { |
2139 | 642 return NGX_ERROR; |
643 } | |
644 | |
645 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
646 "xslt filter param: \"%s\"", string.data); | |
647 | |
4554
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
648 if (param[i].name) { |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
649 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
650 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
651 "xslt filter param name: \"%s\"", param[i].name); |
212a0251951b
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|
652 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
653 if (param[i].quote) { |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
654 if (xsltQuoteOneUserParam(ctx->transform, param[i].name, |
212a0251951b
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|
655 string.data) |
212a0251951b
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|
656 != 0) |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
657 { |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
658 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
659 "xsltQuoteOneUserParam(\"%s\", \"%s\") failed", |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
660 param[i].name, string.data); |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
661 return NGX_ERROR; |
212a0251951b
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|
662 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
663 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
664 continue; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
665 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
666 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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changeset
|
667 s = ngx_array_push(&ctx->params); |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
668 if (s == NULL) { |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
669 return NGX_ERROR; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
670 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
671 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
672 *s = param[i].name; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
673 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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changeset
|
674 s = ngx_array_push(&ctx->params); |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
675 if (s == NULL) { |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
676 return NGX_ERROR; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
677 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
678 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
679 *s = string.data; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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diff
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|
680 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
681 continue; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
682 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
683 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
684 /* |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
685 * parse param1=value1:param2=value2 syntax as used by parameters |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
686 * specified in xslt_stylesheet directives |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
687 */ |
212a0251951b
Added xslt_param and xslt_string_param directives.
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diff
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|
688 |
7154
595a3de03e91
Xslt: fixed parameters parsing (ticket #1416).
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689 if (param[i].value.lengths) { |
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690 p = string.data; |
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691 |
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|
692 } else { |
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|
693 p = ngx_pnalloc(r->pool, string.len + 1); |
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694 if (p == NULL) { |
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|
695 return NGX_ERROR; |
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|
696 } |
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|
697 |
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698 ngx_memcpy(p, string.data, string.len + 1); |
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699 } |
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700 |
2139 | 701 while (p && *p) { |
702 | |
703 value = p; | |
704 p = (u_char *) ngx_strchr(p, '='); | |
705 if (p == NULL) { | |
706 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
707 "invalid libxslt parameter \"%s\"", value); | |
708 return NGX_ERROR; | |
709 } | |
710 *p++ = '\0'; | |
711 | |
712 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
713 "xslt filter param name: \"%s\"", value); | |
714 | |
715 s = ngx_array_push(&ctx->params); | |
716 if (s == NULL) { | |
717 return NGX_ERROR; | |
718 } | |
719 | |
720 *s = value; | |
721 | |
722 value = p; | |
723 p = (u_char *) ngx_strchr(p, ':'); | |
724 | |
725 if (p) { | |
726 len = p - value; | |
727 *p++ = '\0'; | |
728 | |
729 } else { | |
7540
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Maxim Dounin <mdounin@mdounin.ru>
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730 len = ngx_strlen(value); |
2139 | 731 } |
732 | |
733 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
734 "xslt filter param value: \"%s\"", value); | |
735 | |
736 dst = value; | |
737 src = value; | |
738 | |
739 ngx_unescape_uri(&dst, &src, len, 0); | |
740 | |
741 *dst = '\0'; | |
742 | |
743 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
744 "xslt filter param unescaped: \"%s\"", value); | |
745 | |
746 s = ngx_array_push(&ctx->params); | |
747 if (s == NULL) { | |
748 return NGX_ERROR; | |
749 } | |
750 | |
751 *s = value; | |
752 } | |
753 } | |
754 | |
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755 if (final) { |
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|
756 s = ngx_array_push(&ctx->params); |
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757 if (s == NULL) { |
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758 return NGX_ERROR; |
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759 } |
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760 |
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761 *s = NULL; |
2139 | 762 } |
763 | |
764 return NGX_OK; | |
765 } | |
766 | |
767 | |
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768 static u_char * |
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769 ngx_http_xslt_content_type(xsltStylesheetPtr s) |
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770 { |
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771 u_char *type; |
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772 |
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773 if (s->mediaType) { |
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774 return s->mediaType; |
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775 } |
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776 |
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777 for (s = s->imports; s; s = s->next) { |
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778 |
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779 type = ngx_http_xslt_content_type(s); |
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780 |
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781 if (type) { |
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782 return type; |
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783 } |
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784 } |
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785 |
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786 return NULL; |
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787 } |
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788 |
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789 |
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790 static u_char * |
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791 ngx_http_xslt_encoding(xsltStylesheetPtr s) |
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792 { |
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793 u_char *encoding; |
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|
794 |
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795 if (s->encoding) { |
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796 return s->encoding; |
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797 } |
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|
798 |
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799 for (s = s->imports; s; s = s->next) { |
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800 |
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801 encoding = ngx_http_xslt_encoding(s); |
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802 |
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803 if (encoding) { |
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|
804 return encoding; |
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|
805 } |
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|
806 } |
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|
807 |
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changeset
|
808 return NULL; |
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|
809 } |
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|
810 |
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|
811 |
2139 | 812 static void |
813 ngx_http_xslt_cleanup(void *data) | |
814 { | |
815 ngx_free(data); | |
816 } | |
817 | |
818 | |
819 static char * | |
820 ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
821 { | |
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822 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
2139 | 823 |
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824 ngx_str_t *value; |
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825 ngx_uint_t i; |
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826 ngx_pool_cleanup_t *cln; |
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827 ngx_http_xslt_file_t *file; |
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828 ngx_http_xslt_filter_main_conf_t *xmcf; |
2139 | 829 |
830 if (xlcf->dtd) { | |
831 return "is duplicate"; | |
832 } | |
833 | |
834 value = cf->args->elts; | |
835 | |
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836 xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); |
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837 |
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838 file = xmcf->dtd_files.elts; |
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839 for (i = 0; i < xmcf->dtd_files.nelts; i++) { |
4646
959371df1806
Fixed the reuse of parsed DTDs and XSLTs.
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parents:
4560
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|
840 if (ngx_strcmp(file[i].name, value[1].data) == 0) { |
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841 xlcf->dtd = file[i].data; |
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842 return NGX_CONF_OK; |
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843 } |
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844 } |
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845 |
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846 cln = ngx_pool_cleanup_add(cf->pool, 0); |
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847 if (cln == NULL) { |
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848 return NGX_CONF_ERROR; |
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849 } |
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850 |
2139 | 851 xlcf->dtd = xmlParseDTD(NULL, (xmlChar *) value[1].data); |
852 | |
853 if (xlcf->dtd == NULL) { | |
854 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, "xmlParseDTD() failed"); | |
855 return NGX_CONF_ERROR; | |
856 } | |
857 | |
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858 cln->handler = ngx_http_xslt_cleanup_dtd; |
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859 cln->data = xlcf->dtd; |
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860 |
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861 file = ngx_array_push(&xmcf->dtd_files); |
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862 if (file == NULL) { |
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863 return NGX_CONF_ERROR; |
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864 } |
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865 |
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866 file->name = value[1].data; |
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867 file->data = xlcf->dtd; |
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868 |
2139 | 869 return NGX_CONF_OK; |
870 } | |
871 | |
872 | |
873 | |
874 static char * | |
875 ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
876 { | |
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877 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
2139 | 878 |
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879 ngx_str_t *value; |
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880 ngx_uint_t i, n; |
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881 ngx_pool_cleanup_t *cln; |
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882 ngx_http_xslt_file_t *file; |
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883 ngx_http_xslt_sheet_t *sheet; |
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Added xslt_param and xslt_string_param directives.
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|
884 ngx_http_xslt_param_t *param; |
2588
a6954ce88b80
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|
885 ngx_http_compile_complex_value_t ccv; |
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886 ngx_http_xslt_filter_main_conf_t *xmcf; |
2139 | 887 |
888 value = cf->args->elts; | |
889 | |
890 if (xlcf->sheets.elts == NULL) { | |
891 if (ngx_array_init(&xlcf->sheets, cf->pool, 1, | |
892 sizeof(ngx_http_xslt_sheet_t)) | |
893 != NGX_OK) | |
894 { | |
895 return NGX_CONF_ERROR; | |
896 } | |
897 } | |
898 | |
899 sheet = ngx_array_push(&xlcf->sheets); | |
900 if (sheet == NULL) { | |
901 return NGX_CONF_ERROR; | |
902 } | |
903 | |
904 ngx_memzero(sheet, sizeof(ngx_http_xslt_sheet_t)); | |
905 | |
5330
314c3d7cc3a5
Backed out f1a91825730a and 7094bd12c1ff.
Maxim Dounin <mdounin@mdounin.ru>
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5317
diff
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|
906 if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { |
2139 | 907 return NGX_CONF_ERROR; |
908 } | |
909 | |
2154
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910 xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); |
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911 |
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912 file = xmcf->sheet_files.elts; |
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913 for (i = 0; i < xmcf->sheet_files.nelts; i++) { |
4646
959371df1806
Fixed the reuse of parsed DTDs and XSLTs.
Ruslan Ermilov <ru@nginx.com>
parents:
4560
diff
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|
914 if (ngx_strcmp(file[i].name, value[1].data) == 0) { |
2156
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915 sheet->stylesheet = file[i].data; |
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916 goto found; |
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917 } |
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918 } |
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919 |
2139 | 920 cln = ngx_pool_cleanup_add(cf->pool, 0); |
921 if (cln == NULL) { | |
922 return NGX_CONF_ERROR; | |
923 } | |
924 | |
925 sheet->stylesheet = xsltParseStylesheetFile(value[1].data); | |
926 if (sheet->stylesheet == NULL) { | |
927 ngx_conf_log_error(NGX_LOG_ERR, cf, 0, | |
928 "xsltParseStylesheetFile(\"%s\") failed", | |
929 value[1].data); | |
930 return NGX_CONF_ERROR; | |
931 } | |
932 | |
933 cln->handler = ngx_http_xslt_cleanup_stylesheet; | |
934 cln->data = sheet->stylesheet; | |
935 | |
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936 file = ngx_array_push(&xmcf->sheet_files); |
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937 if (file == NULL) { |
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938 return NGX_CONF_ERROR; |
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939 } |
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940 |
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941 file->name = value[1].data; |
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942 file->data = sheet->stylesheet; |
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943 |
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944 found: |
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945 |
2139 | 946 n = cf->args->nelts; |
947 | |
948 if (n == 2) { | |
949 return NGX_CONF_OK; | |
950 } | |
951 | |
952 if (ngx_array_init(&sheet->params, cf->pool, n - 2, | |
4554
212a0251951b
Added xslt_param and xslt_string_param directives.
Maxim Dounin <mdounin@mdounin.ru>
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|
953 sizeof(ngx_http_xslt_param_t)) |
2139 | 954 != NGX_OK) |
955 { | |
956 return NGX_CONF_ERROR; | |
957 } | |
958 | |
959 for (i = 2; i < n; i++) { | |
960 | |
961 param = ngx_array_push(&sheet->params); | |
962 if (param == NULL) { | |
963 return NGX_CONF_ERROR; | |
964 } | |
965 | |
4554
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
966 ngx_memzero(param, sizeof(ngx_http_xslt_param_t)); |
2588
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967 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
2139 | 968 |
2588
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969 ccv.cf = cf; |
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970 ccv.value = &value[i]; |
4554
212a0251951b
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|
971 ccv.complex_value = ¶m->value; |
2588
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|
972 ccv.zero = 1; |
2139 | 973 |
2588
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|
974 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
2139 | 975 return NGX_CONF_ERROR; |
976 } | |
977 } | |
978 | |
979 return NGX_CONF_OK; | |
980 } | |
981 | |
982 | |
4554
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|
983 static char * |
212a0251951b
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|
984 ngx_http_xslt_param(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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|
985 { |
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986 ngx_http_xslt_filter_loc_conf_t *xlcf = conf; |
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|
987 |
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|
988 ngx_http_xslt_param_t *param; |
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989 ngx_http_compile_complex_value_t ccv; |
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|
990 ngx_str_t *value; |
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|
991 |
212a0251951b
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992 value = cf->args->elts; |
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|
993 |
212a0251951b
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|
994 if (xlcf->params == NULL) { |
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Added xslt_param and xslt_string_param directives.
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995 xlcf->params = ngx_array_create(cf->pool, 2, |
212a0251951b
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|
996 sizeof(ngx_http_xslt_param_t)); |
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997 if (xlcf->params == NULL) { |
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998 return NGX_CONF_ERROR; |
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Added xslt_param and xslt_string_param directives.
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|
999 } |
212a0251951b
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|
1000 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1001 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1002 param = ngx_array_push(xlcf->params); |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1003 if (param == NULL) { |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1004 return NGX_CONF_ERROR; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1005 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1006 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1007 param->name = value[1].data; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1008 param->quote = (cmd->post == NULL) ? 0 : 1; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1009 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1010 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1011 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1012 ccv.cf = cf; |
212a0251951b
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|
1013 ccv.value = &value[2]; |
212a0251951b
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|
1014 ccv.complex_value = ¶m->value; |
212a0251951b
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|
1015 ccv.zero = 1; |
212a0251951b
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|
1016 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1017 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
212a0251951b
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|
1018 return NGX_CONF_ERROR; |
212a0251951b
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|
1019 } |
212a0251951b
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|
1020 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1021 return NGX_CONF_OK; |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1022 } |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1023 |
212a0251951b
Added xslt_param and xslt_string_param directives.
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|
1024 |
2139 | 1025 static void |
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1026 ngx_http_xslt_cleanup_dtd(void *data) |
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1027 { |
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1028 xmlFreeDtd(data); |
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1029 } |
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1030 |
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1031 |
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|
1032 static void |
2139 | 1033 ngx_http_xslt_cleanup_stylesheet(void *data) |
1034 { | |
2156
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|
1035 xsltFreeStylesheet(data); |
2139 | 1036 } |
1037 | |
1038 | |
2154
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|
1039 static void * |
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|
1040 ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf) |
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1041 { |
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|
1042 ngx_http_xslt_filter_main_conf_t *conf; |
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|
1043 |
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|
1044 conf = ngx_palloc(cf->pool, sizeof(ngx_http_xslt_filter_main_conf_t)); |
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|
1045 if (conf == NULL) { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
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2899
diff
changeset
|
1046 return NULL; |
2154
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|
1047 } |
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|
1048 |
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|
1049 if (ngx_array_init(&conf->dtd_files, cf->pool, 1, |
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|
1050 sizeof(ngx_http_xslt_file_t)) |
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|
1051 != NGX_OK) |
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1052 { |
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|
1053 return NULL; |
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|
1054 } |
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1055 |
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1056 if (ngx_array_init(&conf->sheet_files, cf->pool, 1, |
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1057 sizeof(ngx_http_xslt_file_t)) |
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1058 != NGX_OK) |
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1059 { |
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1060 return NULL; |
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1061 } |
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1062 |
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1063 return conf; |
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1064 } |
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1065 |
2139 | 1066 |
1067 static void * | |
1068 ngx_http_xslt_filter_create_conf(ngx_conf_t *cf) | |
1069 { | |
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1070 ngx_http_xslt_filter_loc_conf_t *conf; |
2139 | 1071 |
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1072 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_xslt_filter_loc_conf_t)); |
2139 | 1073 if (conf == NULL) { |
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1074 return NULL; |
2139 | 1075 } |
1076 | |
1077 /* | |
1078 * set by ngx_pcalloc(): | |
1079 * | |
2148 | 1080 * conf->dtd = NULL; |
1081 * conf->sheets = { NULL }; | |
1082 * conf->types = { NULL }; | |
1083 * conf->types_keys = NULL; | |
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1084 * conf->params = NULL; |
2139 | 1085 */ |
1086 | |
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1087 conf->last_modified = NGX_CONF_UNSET; |
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1088 |
2139 | 1089 return conf; |
1090 } | |
1091 | |
1092 | |
1093 static char * | |
1094 ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
1095 { | |
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1096 ngx_http_xslt_filter_loc_conf_t *prev = parent; |
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1097 ngx_http_xslt_filter_loc_conf_t *conf = child; |
2139 | 1098 |
1099 if (conf->dtd == NULL) { | |
1100 conf->dtd = prev->dtd; | |
1101 } | |
1102 | |
1103 if (conf->sheets.nelts == 0) { | |
1104 conf->sheets = prev->sheets; | |
1105 } | |
1106 | |
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1107 if (conf->params == NULL) { |
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1108 conf->params = prev->params; |
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1109 } |
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1110 |
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1111 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, |
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1112 &prev->types_keys, &prev->types, |
2148 | 1113 ngx_http_xslt_default_types) |
2139 | 1114 != NGX_OK) |
1115 { | |
1116 return NGX_CONF_ERROR; | |
1117 } | |
1118 | |
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1119 ngx_conf_merge_value(conf->last_modified, prev->last_modified, 0); |
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1120 |
2139 | 1121 return NGX_CONF_OK; |
1122 } | |
1123 | |
1124 | |
1125 static ngx_int_t | |
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1126 ngx_http_xslt_filter_preconfiguration(ngx_conf_t *cf) |
2139 | 1127 { |
1128 xmlInitParser(); | |
1129 | |
2299 | 1130 #if (NGX_HAVE_EXSLT) |
1131 exsltRegisterAll(); | |
1132 #endif | |
1133 | |
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1134 return NGX_OK; |
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1135 } |
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1136 |
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1137 |
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1138 static ngx_int_t |
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1139 ngx_http_xslt_filter_init(ngx_conf_t *cf) |
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1140 { |
2139 | 1141 ngx_http_next_header_filter = ngx_http_top_header_filter; |
1142 ngx_http_top_header_filter = ngx_http_xslt_header_filter; | |
1143 | |
1144 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1145 ngx_http_top_body_filter = ngx_http_xslt_body_filter; | |
1146 | |
1147 return NGX_OK; | |
1148 } | |
1149 | |
1150 | |
1151 static void | |
1152 ngx_http_xslt_filter_exit(ngx_cycle_t *cycle) | |
1153 { | |
1154 xsltCleanupGlobals(); | |
1155 xmlCleanupParser(); | |
1156 } |