1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2015 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Brad Lafountain <rodif_bl@yahoo.com> |
16 | Shane Caraveo <shane@caraveo.com> |
17 | Dmitry Stogov <dmitry@zend.com> |
18 +----------------------------------------------------------------------+
19 */
20 /* $Id$ */
21
22 #include "php_soap.h"
23 #include "ext/libxml/php_libxml.h"
24 #include "libxml/parser.h"
25 #include "libxml/parserInternals.h"
26
27 /* Channel libxml file io layer through the PHP streams subsystem.
28 * This allows use of ftps:// and https:// urls */
29
is_blank(const xmlChar * str)30 static int is_blank(const xmlChar* str)
31 {
32 while (*str != '\0') {
33 if (*str != ' ' && *str != 0x9 && *str != 0xa && *str != 0xd) {
34 return 0;
35 }
36 str++;
37 }
38 return 1;
39 }
40
41 /* removes all empty text, comments and other insignoficant nodes */
cleanup_xml_node(xmlNodePtr node)42 static void cleanup_xml_node(xmlNodePtr node)
43 {
44 xmlNodePtr trav;
45 xmlNodePtr del = NULL;
46
47 trav = node->children;
48 while (trav != NULL) {
49 if (del != NULL) {
50 xmlUnlinkNode(del);
51 xmlFreeNode(del);
52 del = NULL;
53 }
54 if (trav->type == XML_TEXT_NODE) {
55 if (is_blank(trav->content)) {
56 del = trav;
57 }
58 } else if ((trav->type != XML_ELEMENT_NODE) &&
59 (trav->type != XML_CDATA_SECTION_NODE)) {
60 del = trav;
61 } else if (trav->children != NULL) {
62 cleanup_xml_node(trav);
63 }
64 trav = trav->next;
65 }
66 if (del != NULL) {
67 xmlUnlinkNode(del);
68 xmlFreeNode(del);
69 }
70 }
71
soap_ignorableWhitespace(void * ctx,const xmlChar * ch,int len)72 static void soap_ignorableWhitespace(void *ctx, const xmlChar *ch, int len)
73 {
74 }
75
soap_Comment(void * ctx,const xmlChar * value)76 static void soap_Comment(void *ctx, const xmlChar *value)
77 {
78 }
79
soap_xmlParseFile(const char * filename TSRMLS_DC)80 xmlDocPtr soap_xmlParseFile(const char *filename TSRMLS_DC)
81 {
82 xmlParserCtxtPtr ctxt = NULL;
83 xmlDocPtr ret;
84 zend_bool old_allow_url_fopen;
85
86 /*
87 xmlInitParser();
88 */
89
90 old_allow_url_fopen = PG(allow_url_fopen);
91 PG(allow_url_fopen) = 1;
92 ctxt = xmlCreateFileParserCtxt(filename);
93 PG(allow_url_fopen) = old_allow_url_fopen;
94 if (ctxt) {
95 zend_bool old;
96
97 ctxt->keepBlanks = 0;
98 ctxt->sax->ignorableWhitespace = soap_ignorableWhitespace;
99 ctxt->sax->comment = soap_Comment;
100 ctxt->sax->warning = NULL;
101 ctxt->sax->error = NULL;
102 /*ctxt->sax->fatalError = NULL;*/
103 #if LIBXML_VERSION >= 20703
104 ctxt->options |= XML_PARSE_HUGE;
105 #endif
106 old = php_libxml_disable_entity_loader(1 TSRMLS_CC);
107 xmlParseDocument(ctxt);
108 php_libxml_disable_entity_loader(old TSRMLS_CC);
109 if (ctxt->wellFormed) {
110 ret = ctxt->myDoc;
111 if (ret->URL == NULL && ctxt->directory != NULL) {
112 ret->URL = xmlCharStrdup(ctxt->directory);
113 }
114 } else {
115 ret = NULL;
116 xmlFreeDoc(ctxt->myDoc);
117 ctxt->myDoc = NULL;
118 }
119 xmlFreeParserCtxt(ctxt);
120 } else {
121 ret = NULL;
122 }
123
124 /*
125 xmlCleanupParser();
126 */
127
128 if (ret) {
129 cleanup_xml_node((xmlNodePtr)ret);
130 }
131 return ret;
132 }
133
soap_xmlParseMemory(const void * buf,size_t buf_size)134 xmlDocPtr soap_xmlParseMemory(const void *buf, size_t buf_size)
135 {
136 xmlParserCtxtPtr ctxt = NULL;
137 xmlDocPtr ret;
138
139 TSRMLS_FETCH();
140
141 /*
142 xmlInitParser();
143 */
144 ctxt = xmlCreateMemoryParserCtxt(buf, buf_size);
145 if (ctxt) {
146 zend_bool old;
147
148 ctxt->sax->ignorableWhitespace = soap_ignorableWhitespace;
149 ctxt->sax->comment = soap_Comment;
150 ctxt->sax->warning = NULL;
151 ctxt->sax->error = NULL;
152 /*ctxt->sax->fatalError = NULL;*/
153 #if LIBXML_VERSION >= 20703
154 ctxt->options |= XML_PARSE_HUGE;
155 #endif
156 old = php_libxml_disable_entity_loader(1 TSRMLS_CC);
157 xmlParseDocument(ctxt);
158 php_libxml_disable_entity_loader(old TSRMLS_CC);
159 if (ctxt->wellFormed) {
160 ret = ctxt->myDoc;
161 if (ret->URL == NULL && ctxt->directory != NULL) {
162 ret->URL = xmlCharStrdup(ctxt->directory);
163 }
164 } else {
165 ret = NULL;
166 xmlFreeDoc(ctxt->myDoc);
167 ctxt->myDoc = NULL;
168 }
169 xmlFreeParserCtxt(ctxt);
170 } else {
171 ret = NULL;
172 }
173
174 /*
175 xmlCleanupParser();
176 */
177
178 /*
179 if (ret) {
180 cleanup_xml_node((xmlNodePtr)ret);
181 }
182 */
183 return ret;
184 }
185
attr_find_ns(xmlAttrPtr node)186 xmlNsPtr attr_find_ns(xmlAttrPtr node)
187 {
188 if (node->ns) {
189 return node->ns;
190 } else if (node->parent->ns) {
191 return node->parent->ns;
192 } else {
193 return xmlSearchNs(node->doc, node->parent, NULL);
194 }
195 }
196
node_find_ns(xmlNodePtr node)197 xmlNsPtr node_find_ns(xmlNodePtr node)
198 {
199 if (node->ns) {
200 return node->ns;
201 } else {
202 return xmlSearchNs(node->doc, node, NULL);
203 }
204 }
205
attr_is_equal_ex(xmlAttrPtr node,char * name,char * ns)206 int attr_is_equal_ex(xmlAttrPtr node, char *name, char *ns)
207 {
208 if (name == NULL || strcmp((char*)node->name, name) == 0) {
209 if (ns) {
210 xmlNsPtr nsPtr = attr_find_ns(node);
211 if (nsPtr) {
212 return (strcmp((char*)nsPtr->href, ns) == 0);
213 } else {
214 return FALSE;
215 }
216 }
217 return TRUE;
218 }
219 return FALSE;
220 }
221
node_is_equal_ex(xmlNodePtr node,char * name,char * ns)222 int node_is_equal_ex(xmlNodePtr node, char *name, char *ns)
223 {
224 if (name == NULL || strcmp((char*)node->name, name) == 0) {
225 if (ns) {
226 xmlNsPtr nsPtr = node_find_ns(node);
227 if (nsPtr) {
228 return (strcmp((char*)nsPtr->href, ns) == 0);
229 } else {
230 return FALSE;
231 }
232 }
233 return TRUE;
234 }
235 return FALSE;
236 }
237
238
get_attribute_ex(xmlAttrPtr node,char * name,char * ns)239 xmlAttrPtr get_attribute_ex(xmlAttrPtr node, char *name, char *ns)
240 {
241 while (node!=NULL) {
242 if (attr_is_equal_ex(node, name, ns)) {
243 return node;
244 }
245 node = node->next;
246 }
247 return NULL;
248 }
249
get_node_ex(xmlNodePtr node,char * name,char * ns)250 xmlNodePtr get_node_ex(xmlNodePtr node, char *name, char *ns)
251 {
252 while (node!=NULL) {
253 if (node_is_equal_ex(node, name, ns)) {
254 return node;
255 }
256 node = node->next;
257 }
258 return NULL;
259 }
260
get_node_recurisve_ex(xmlNodePtr node,char * name,char * ns)261 xmlNodePtr get_node_recurisve_ex(xmlNodePtr node, char *name, char *ns)
262 {
263 while (node != NULL) {
264 if (node_is_equal_ex(node, name, ns)) {
265 return node;
266 } else if (node->children != NULL) {
267 xmlNodePtr tmp = get_node_recurisve_ex(node->children, name, ns);
268 if (tmp) {
269 return tmp;
270 }
271 }
272 node = node->next;
273 }
274 return NULL;
275 }
276
get_node_with_attribute_ex(xmlNodePtr node,char * name,char * name_ns,char * attribute,char * value,char * attr_ns)277 xmlNodePtr get_node_with_attribute_ex(xmlNodePtr node, char *name, char *name_ns, char *attribute, char *value, char *attr_ns)
278 {
279 xmlAttrPtr attr;
280
281 while (node != NULL) {
282 if (name != NULL) {
283 node = get_node_ex(node, name, name_ns);
284 if (node==NULL) {
285 return NULL;
286 }
287 }
288
289 attr = get_attribute_ex(node->properties, attribute, attr_ns);
290 if (attr != NULL && strcmp((char*)attr->children->content, value) == 0) {
291 return node;
292 }
293 node = node->next;
294 }
295 return NULL;
296 }
297
get_node_with_attribute_recursive_ex(xmlNodePtr node,char * name,char * name_ns,char * attribute,char * value,char * attr_ns)298 xmlNodePtr get_node_with_attribute_recursive_ex(xmlNodePtr node, char *name, char *name_ns, char *attribute, char *value, char *attr_ns)
299 {
300 while (node != NULL) {
301 if (node_is_equal_ex(node, name, name_ns)) {
302 xmlAttrPtr attr = get_attribute_ex(node->properties, attribute, attr_ns);
303 if (attr != NULL && strcmp((char*)attr->children->content, value) == 0) {
304 return node;
305 }
306 }
307 if (node->children != NULL) {
308 xmlNodePtr tmp = get_node_with_attribute_recursive_ex(node->children, name, name_ns, attribute, value, attr_ns);
309 if (tmp) {
310 return tmp;
311 }
312 }
313 node = node->next;
314 }
315 return NULL;
316 }
317
parse_namespace(const xmlChar * inval,char ** value,char ** namespace)318 int parse_namespace(const xmlChar *inval, char **value, char **namespace)
319 {
320 char *found = strrchr((char*)inval, ':');
321
322 if (found != NULL && found != (char*)inval) {
323 (*namespace) = estrndup((char*)inval, found - (char*)inval);
324 (*value) = estrdup(++found);
325 } else {
326 (*value) = estrdup((char*)inval);
327 (*namespace) = NULL;
328 }
329
330 return FALSE;
331 }
332
