2 * Copyright (c) 2002-2003, Index Data.
3 * See the file LICENSE for details.
5 * $Id: soap.c,v 1.4 2004-01-05 09:34:42 adam Exp $
11 #include <libxml/parser.h>
12 #include <libxml/tree.h>
14 static const char *soap_v1_1 = "http://schemas.xmlsoap.org/soap/envelope/";
15 static const char *soap_v1_2 = "http://www.w3.org/2001/06/soap-envelope";
17 int z_soap_codec_enc(ODR o, Z_SOAP **pp,
18 char **content_buf, int *content_len,
19 Z_SOAP_Handler *handlers,
22 if (o->direction == ODR_DECODE)
29 if (!content_buf || !*content_buf || !content_len)
32 *pp = p = (Z_SOAP *) odr_malloc(o, sizeof(*p));
35 doc = xmlParseMemory(*content_buf, *content_len);
37 return z_soap_error(o, p, "SOAP-ENV:Client",
38 "Bad XML Document", 0);
39 /* check that root node is Envelope */
40 ptr = xmlDocGetRootElement(doc);
41 if (!ptr || ptr->type != XML_ELEMENT_NODE ||
42 strcmp(ptr->name, "Envelope") || !ptr->ns)
45 return z_soap_error(o, p, "SOAP-ENV:Client",
46 "No Envelope element", 0);
50 /* determine SOAP version */
51 const char * ns_envelope = ptr->ns->href;
52 if (!strcmp(ns_envelope, soap_v1_1))
54 else if (!strcmp(ns_envelope, soap_v1_2))
59 return z_soap_error(o, p, "SOAP-ENV:Client",
60 "Bad SOAP version", 0);
64 while(ptr && ptr->type == XML_TEXT_NODE)
66 if (ptr && ptr->type == XML_ELEMENT_NODE &&
67 !strcmp(ptr->ns->href, p->ns) &&
68 !strcmp(ptr->name, "Header"))
71 while(ptr && ptr->type == XML_TEXT_NODE)
74 /* check that Body is present */
75 if (!ptr || ptr->type != XML_ELEMENT_NODE ||
76 strcmp(ptr->name, "Body"))
79 return z_soap_error(o, p, "SOAP-ENV:Client",
80 "SOAP Body element not found", 0);
82 if (strcmp(ptr->ns->href, p->ns))
85 return z_soap_error(o, p, "SOAP-ENV:Client",
86 "SOAP bad NS for Body element", 0);
90 while (ptr && ptr->type == XML_TEXT_NODE)
92 if (!ptr || ptr->type != XML_ELEMENT_NODE)
95 return z_soap_error(o, p, "SOAP-ENV:Client",
96 "SOAP No content for Body", 0);
101 return z_soap_error(o, p, "SOAP-ENV:Client",
102 "SOAP No namespace for content", 0);
104 /* check for fault package */
105 if (!strcmp(ptr->ns->href, p->ns)
106 && !strcmp(ptr->name, "Fault") && ptr->children)
110 p->which = Z_SOAP_fault;
111 p->u.fault = odr_malloc(o, sizeof(*p->u.fault));
112 p->u.fault->fault_code = 0;
113 p->u.fault->fault_string = 0;
114 p->u.fault->details = 0;
117 if (ptr->children && ptr->children->type == XML_TEXT_NODE)
119 if (!strcmp(ptr->name, "faultcode"))
120 p->u.fault->fault_code =
121 odr_strdup(o, ptr->children->content);
122 if (!strcmp(ptr->name, "faultstring"))
123 p->u.fault->fault_string =
124 odr_strdup(o, ptr->children->content);
125 if (!strcmp(ptr->name, "details"))
126 p->u.fault->details =
127 odr_strdup(o, ptr->children->content);
135 for (i = 0; handlers[i].ns; i++)
136 if (!strcmp(ptr->ns->href, handlers[i].ns))
140 void *handler_data = 0;
141 ret = (*handlers[i].f)(o, pptr, &handler_data,
142 handlers[i].client_data,
144 if (ret || !handler_data)
145 z_soap_error(o, p, "SOAP-ENV:Client",
146 "SOAP Handler returned error", 0);
149 p->which = Z_SOAP_generic;
150 p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
151 p->u.generic->no = i;
152 p->u.generic->ns = handlers[i].ns;
153 p->u.generic->p = handler_data;
158 ret = z_soap_error(o, p, "SOAP-ENV:Client",
159 "No handler for NS", ptr->ns->href);
165 else if (o->direction == ODR_ENCODE)
169 xmlNodePtr envelope_ptr, body_ptr;
171 xmlDocPtr doc = xmlNewDoc("1.0");
173 envelope_ptr = xmlNewNode(0, "Envelope");
174 ns_env = xmlNewNs(envelope_ptr, p->ns, "SOAP-ENV");
175 xmlSetNs(envelope_ptr, ns_env);
177 body_ptr = xmlNewChild(envelope_ptr, ns_env, "Body", 0);
178 xmlDocSetRootElement(doc, envelope_ptr);
180 if (p->which == Z_SOAP_fault || p->which == Z_SOAP_error)
182 Z_SOAP_Fault *f = p->u.fault;
183 xmlNodePtr fault_ptr = xmlNewChild(body_ptr, ns_env, "Fault", 0);
184 xmlNewChild(fault_ptr, ns_env, "faultcode", f->fault_code);
185 xmlNewChild(fault_ptr, ns_env, "faultstring", f->fault_string);
187 xmlNewChild(fault_ptr, ns_env, "details", f->details);
189 else if (p->which == Z_SOAP_generic)
191 int ret, no = p->u.generic->no;
193 ret = (*handlers[no].f)(o, body_ptr, &p->u.generic->p,
194 handlers[no].client_data,
202 if (p->which == Z_SOAP_generic && !strcmp(p->ns, "SRU"))
204 xmlDocSetRootElement(doc, body_ptr->children);
211 xmlDocDumpMemoryEnc(doc, &buf_out, &len_out, encoding);
213 xmlDocDumpMemory(doc, &buf_out, &len_out);
214 *content_buf = (char *) odr_malloc(o, len_out);
215 *content_len = len_out;
216 memcpy(*content_buf, buf_out, len_out);
225 int z_soap_codec_enc(ODR o, Z_SOAP **pp,
226 char **content_buf, int *content_len,
227 Z_SOAP_Handler *handlers, const char *encoding)
229 static char *err_xml =
230 "<?xml version=\"1.0\"?>\n"
232 " xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\">\n"
233 "\t<SOAP-ENV:Body>\n"
234 "\t\t<SOAP-ENV:Fault>\n"
235 "\t\t\t<faultcode>SOAP-ENV:Server</faultcode>\n"
236 "\t\t\t<faultstring>HTTP error</faultstring>\n"
237 "\t\t\t<detail>SOAP not supported in this YAZ configuration</detail>\n"
238 "\t\t</SOAP-ENV:Fault>\n"
239 "\t</SOAP-ENV:Body>\n"
240 "</SOAP-ENV:Envelope>\n";
241 if (o->direction == ODR_ENCODE)
243 *content_buf = err_xml;
244 *content_len = strlen(err_xml);
249 int z_soap_codec(ODR o, Z_SOAP **pp,
250 char **content_buf, int *content_len,
251 Z_SOAP_Handler *handlers)
253 return z_soap_codec_enc(o, pp, content_buf, content_len, handlers, 0);
256 int z_soap_error(ODR o, Z_SOAP *p,
257 const char *fault_code, const char *fault_string,
260 p->which = Z_SOAP_error;
261 p->u.soap_error = (Z_SOAP_Fault *)
262 odr_malloc(o, sizeof(*p->u.soap_error));
263 p->u.soap_error->fault_code = odr_strdup(o, fault_code);
264 p->u.soap_error->fault_string = odr_strdup(o, fault_string);
266 p->u.soap_error->details = odr_strdup(o, details);
268 p->u.soap_error->details = 0;