+/*
+ * Copyright (c) 2002-2003, Index Data.
+ * See the file LICENSE for details.
+ *
+ * $Id: srwutil.c,v 1.1 2003-12-20 00:51:19 adam Exp $
+ */
+
+#include <yaz/srw.h>
+
+static int hex_digit (int ch)
+{
+ if (ch >= '0' && ch <= '9')
+ return ch - '0';
+ else if (ch >= 'a' && ch <= 'f')
+ return ch - 'a'+10;
+ else if (ch >= 'A' && ch <= 'F')
+ return ch - 'A'+10;
+ return 0;
+}
+
+char *yaz_uri_val(const char *path, const char *name, ODR o)
+{
+ size_t nlen = strlen(name);
+ if (*path != '?')
+ return 0;
+ path++;
+ while (path && *path)
+ {
+ const char *p1 = strchr(path, '=');
+ if (!p1)
+ break;
+ if ((size_t)(p1 - path) == nlen && !memcmp(path, name, nlen))
+ {
+ size_t i = 0;
+ char *ret;
+
+ path = p1 + 1;
+ p1 = strchr(path, '&');
+ if (!p1)
+ p1 = strlen(path) + path;
+ ret = odr_malloc(o, p1 - path + 1);
+ while (*path && *path != '&')
+ {
+ if (*path == '+')
+ {
+ ret[i++] = ' ';
+ path++;
+ }
+ else if (*path == '%' && path[1] && path[2])
+ {
+ ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
+ path = path + 3;
+ }
+ else
+ ret[i++] = *path++;
+ }
+ ret[i] = '\0';
+ return ret;
+ }
+ path = strchr(p1, '&');
+ if (path)
+ path++;
+ }
+ return 0;
+}
+
+void yaz_uri_val_int(const char *path, const char *name, ODR o, int **intp)
+{
+ const char *v = yaz_uri_val(path, name, o);
+ if (v)
+ *intp = odr_intdup(o, atoi(v));
+}
+
+int yaz_check_for_srw(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
+ char **soap_ns, ODR decode)
+{
+ if (!strcmp(hreq->method, "POST"))
+ {
+ const char *content_type = z_HTTP_header_lookup(hreq->headers,
+ "Content-Type");
+ if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
+ {
+ char *db = "Default";
+ const char *p0 = hreq->path, *p1;
+ Z_SOAP *soap_package = 0;
+ int ret = -1;
+ int http_code = 500;
+ const char *charset_p = 0;
+ char *charset = 0;
+
+ static Z_SOAP_Handler soap_handlers[2] = {
+#if HAVE_XML2
+ {"http://www.loc.gov/zing/srw/", 0,
+ (Z_SOAP_fun) yaz_srw_codec},
+#endif
+ {0, 0, 0}
+ };
+
+ if (*p0 == '/')
+ p0++;
+ p1 = strchr(p0, '?');
+ if (!p1)
+ p1 = p0 + strlen(p0);
+ if (p1 != p0)
+ {
+ db = (char*) odr_malloc(decode, p1 - p0 + 1);
+ memcpy (db, p0, p1 - p0);
+ db[p1 - p0] = '\0';
+ }
+
+ if ((charset_p = strstr(content_type, "; charset=")))
+ {
+ int i = 0;
+ charset_p += 10;
+ while (i < 20 && charset_p[i] &&
+ !strchr("; \n\r", charset_p[i]))
+ i++;
+ charset = (char*) odr_malloc(decode, i+1);
+ memcpy(charset, charset_p, i);
+ charset[i] = '\0';
+ }
+ ret = z_soap_codec(decode, &soap_package,
+ &hreq->content_buf, &hreq->content_len,
+ soap_handlers);
+ if (!ret && soap_package->which == Z_SOAP_generic &&
+ soap_package->u.generic->no == 0)
+ {
+ *srw_pdu = (Z_SRW_PDU*) soap_package->u.generic->p;
+
+ if ((*srw_pdu)->which == Z_SRW_searchRetrieve_request &&
+ (*srw_pdu)->u.request->database == 0)
+ (*srw_pdu)->u.request->database = db;
+
+ if ((*srw_pdu)->which == Z_SRW_explain_request &&
+ (*srw_pdu)->u.explain_request->database == 0)
+ (*srw_pdu)->u.explain_request->database = db;
+
+ *soap_ns = odr_strdup(decode, soap_package->ns);
+ return 0;
+ }
+ return 1;
+ }
+ }
+ return 2;
+}
+
+int yaz_check_for_sru(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
+ char **soap_ns, ODR decode)
+{
+ if (!strcmp(hreq->method, "GET"))
+ {
+ char *db = "Default";
+ const char *p0 = hreq->path, *p1;
+ const char *operation = 0;
+#if HAVE_XML2
+ int ret = -1;
+ char *charset = 0;
+ Z_SOAP *soap_package = 0;
+ static Z_SOAP_Handler soap_handlers[2] = {
+ {"http://www.loc.gov/zing/srw/", 0,
+ (Z_SOAP_fun) yaz_srw_codec},
+ {0, 0, 0}
+ };
+#endif
+
+ if (*p0 == '/')
+ p0++;
+ p1 = strchr(p0, '?');
+ if (!p1)
+ p1 = p0 + strlen(p0);
+ if (p1 != p0)
+ {
+ db = (char*) odr_malloc(decode, p1 - p0 + 1);
+ memcpy (db, p0, p1 - p0);
+ db[p1 - p0] = '\0';
+ }
+#if HAVE_XML2
+ if (p1)
+ operation = yaz_uri_val(p1, "operation", decode);
+ if (!operation)
+ operation = "explain";
+ if (p1 && !strcmp(operation, "searchRetrieve"))
+ {
+ Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_searchRetrieve_request);
+ char *query = yaz_uri_val(p1, "query", decode);
+ char *pQuery = yaz_uri_val(p1, "pQuery", decode);
+ char *sortKeys = yaz_uri_val(p1, "sortKeys", decode);
+
+ *srw_pdu = sr;
+ if (query)
+ {
+ sr->u.request->query_type = Z_SRW_query_type_cql;
+ sr->u.request->query.cql = query;
+ }
+ if (pQuery)
+ {
+ sr->u.request->query_type = Z_SRW_query_type_pqf;
+ sr->u.request->query.pqf = pQuery;
+ }
+ if (sortKeys)
+ {
+ sr->u.request->sort_type = Z_SRW_sort_type_sort;
+ sr->u.request->sort.sortKeys = sortKeys;
+ }
+ sr->u.request->recordSchema = yaz_uri_val(p1, "recordSchema", decode);
+ sr->u.request->recordPacking = yaz_uri_val(p1, "recordPacking", decode);
+ if (!sr->u.request->recordPacking)
+ sr->u.request->recordPacking = "xml";
+ yaz_uri_val_int(p1, "maximumRecords", decode,
+ &sr->u.request->maximumRecords);
+ yaz_uri_val_int(p1, "startRecord", decode,
+ &sr->u.request->startRecord);
+
+ sr->u.request->database = db;
+ *soap_ns = "SRU";
+ return 0;
+ }
+ else if (p1 && !strcmp(operation, "explain"))
+ {
+ Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_explain_request);
+
+ *srw_pdu = sr;
+ sr->u.explain_request->recordPacking =
+ yaz_uri_val(p1, "recordPacking", decode);
+ if (!sr->u.explain_request->recordPacking)
+ sr->u.explain_request->recordPacking = "xml";
+ sr->u.explain_request->database = db;
+ *soap_ns = "SRU";
+ return 0;
+ }
+#endif
+ return 1;
+ }
+ return 2;
+}
projects / yaz-moved-to-github.git / commitdiff