1 /* This file is part of Metaproxy.
2 Copyright (C) Index Data
4 Metaproxy is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <sys/types.h>
23 #include "filter_zoom.hpp"
24 #include <metaproxy/package.hpp>
25 #include <metaproxy/util.hpp>
26 #include <metaproxy/xmlutil.hpp>
27 #include <yaz/comstack.h>
31 #include <libxslt/xsltutils.h>
32 #include <libxslt/transform.h>
34 #include <boost/thread/mutex.hpp>
35 #include <boost/thread/condition.hpp>
37 #include <yaz/yaz-version.h>
38 #include <yaz/tpath.h>
40 #include <yaz/ccl_xml.h>
42 #include <yaz/rpn2cql.h>
43 #include <yaz/rpn2solr.h>
44 #include <yaz/pquery.h>
46 #include <yaz/oid_db.h>
47 #include <yaz/diagbib1.h>
50 #include <yaz/querytowrbuf.h>
51 #include <yaz/sortspec.h>
52 #include <yaz/tokenizer.h>
54 #include <yaz/otherinfo.h>
56 namespace mp = metaproxy_1;
57 namespace yf = mp::filter;
59 namespace metaproxy_1 {
61 class Zoom::Searchable : boost::noncopyable {
63 std::string authentication;
64 std::string authenticationMode;
65 std::string contentAuthentication;
71 std::string query_encoding;
73 std::string sru_version;
74 std::string request_syntax;
75 std::string element_set;
76 std::string record_encoding;
77 std::string transform_xsl_fname;
78 std::string transform_xsl_content;
79 std::string urlRecipe;
80 std::string contentConnector;
81 std::string sortStrategy;
82 std::string extraArgs;
83 std::string rpn2cql_fname;
84 std::string retry_on_failure;
87 CCL_bibset ccl_bibset;
88 std::map<std::string, std::string> sortmap;
89 Searchable(CCL_bibset base);
92 class Zoom::Backend : boost::noncopyable {
94 friend class Frontend;
96 mp::wrbuf m_apdu_wrbuf;
97 ZOOM_connection m_connection;
98 ZOOM_resultset m_resultset;
99 std::string m_frontend_database;
101 xsltStylesheetPtr xsp;
102 std::string cproxy_host;
107 cql_transform_t cqlt;
108 std::string retry_on_failure;
112 void connect(std::string zurl, int *error, char **addinfo,
114 void search(ZOOM_query q, Odr_int *hits,
115 int *error, char **addinfo, Z_FacetList **fl, ODR odr);
116 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
117 int *error, char **addinfo, ODR odr);
118 void set_option(const char *name, const char *value);
119 void set_option(const char *name, const char *value, size_t l);
120 void set_option(const char *name, std::string value);
121 const char *get_option(const char *name);
122 void get_zoom_error(int *error, char **addinfo, ODR odr);
124 class Zoom::Frontend : boost::noncopyable {
129 std::string session_realm;
130 yazpp_1::GDU m_init_gdu;
131 BackendPtr m_backend;
132 void handle_package(mp::Package &package);
133 void handle_search(mp::Package &package);
134 void auth(mp::Package &package, Z_InitRequest *req,
135 int *error, char **addinfo, ODR odr);
137 BackendPtr explain_search(mp::Package &package,
138 std::string &database,
142 std::string torus_url,
143 std::string &torus_db,
145 void handle_present(mp::Package &package);
146 BackendPtr get_backend_from_databases(mp::Package &package,
147 std::string &database,
153 bool create_content_session(mp::Package &package,
158 std::string authentication,
162 void prepare_elements(BackendPtr b,
163 Odr_oid *preferredRecordSyntax,
164 const char *element_set_name,
165 bool &enable_pz2_retrieval,
166 bool &enable_pz2_transform,
167 bool &enable_record_transform,
168 bool &assume_marc8_charset);
170 Z_Records *get_records(Package &package,
172 Odr_int number_to_present,
175 Odr_int *number_of_records_returned,
176 ODR odr, BackendPtr b,
177 Odr_oid *preferredRecordSyntax,
178 const char *element_set_name);
179 Z_Records *get_explain_records(Package &package,
181 Odr_int number_to_present,
184 Odr_int *number_of_records_returned,
185 ODR odr, BackendPtr b,
186 Odr_oid *preferredRecordSyntax,
187 const char *element_set_name);
188 bool retry(mp::Package &package,
191 int &error, char **addinfo,
192 int &proxy_step, int &same_retries,
194 void log_diagnostic(mp::Package &package,
195 int error, const char *addinfo);
197 Frontend(Impl *impl);
201 friend class Frontend;
205 void process(metaproxy_1::Package & package);
206 void configure(const xmlNode * ptr, bool test_only,
209 void configure_local_records(const xmlNode * ptr, bool test_only);
210 bool check_proxy(const char *proxy);
214 FrontendPtr get_frontend(mp::Package &package);
215 void release_frontend(mp::Package &package);
216 SearchablePtr parse_torus_record(const xmlNode *ptr);
217 struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
218 std::map<mp::Session, FrontendPtr> m_clients;
219 boost::mutex m_mutex;
220 boost::condition m_cond_session_ready;
221 std::string torus_searchable_url;
222 std::string torus_content_url;
223 std::string torus_auth_url;
224 std::string default_realm;
225 std::string torus_auth_hostname;
226 std::map<std::string,std::string> fieldmap;
228 std::string file_path;
229 std::string content_proxy_server;
230 std::string content_tmp_file;
231 std::string content_config_file;
234 std::string element_transform;
235 std::string element_raw;
236 std::string element_passthru;
238 xsltStylesheetPtr explain_xsp;
239 xsltStylesheetPtr record_xsp;
240 std::map<std::string,SearchablePtr> s_map;
241 std::string zoom_timeout;
248 static xmlNode *xml_node_search(xmlNode *ptr, int *num, int m)
252 if (ptr->type == XML_ELEMENT_NODE &&
253 !strcmp((const char *) ptr->name, "recordData"))
259 else // else: we don't want to find nested nodes
261 xmlNode *ret_node = xml_node_search(ptr->children, num, m);
270 // define Pimpl wrapper forwarding to Impl
272 yf::Zoom::Zoom() : m_p(new Impl)
277 { // must have a destructor because of boost::scoped_ptr
280 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
283 m_p->configure(xmlnode, test_only, path);
286 void yf::Zoom::process(mp::Package &package) const
288 m_p->process(package);
292 // define Implementation stuff
294 yf::Zoom::Backend::Backend()
296 m_connection = ZOOM_connection_create(0);
297 ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
300 enable_cproxy = true;
301 enable_explain = false;
306 yf::Zoom::Backend::~Backend()
309 xsltFreeStylesheet(xsp);
311 xmlFreeDoc(explain_doc);
312 cql_transform_close(cqlt);
313 ZOOM_connection_destroy(m_connection);
314 ZOOM_resultset_destroy(m_resultset);
318 void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
322 const char *zoom_addinfo = 0;
323 const char *dset = 0;
324 int error0 = ZOOM_connection_error_x(m_connection, &msg,
325 &zoom_addinfo, &dset);
331 if (!strcmp(dset, "info:srw/diagnostic/1"))
332 *error = yaz_diag_srw_to_bib1(error0);
333 else if (!strcmp(dset, "Bib-1"))
335 else if (!strcmp(dset, "ZOOM"))
337 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
338 if (error0 == ZOOM_ERROR_INIT)
339 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
340 else if (error0 == ZOOM_ERROR_DECODE)
344 if (strstr(zoom_addinfo, "Authentication") ||
345 strstr(zoom_addinfo, "authentication"))
346 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
351 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
353 *addinfo = (char *) odr_malloc(
354 odr, 30 + strlen(dset) + strlen(msg) +
355 (zoom_addinfo ? strlen(zoom_addinfo) : 0));
357 if (zoom_addinfo && *zoom_addinfo)
359 strcpy(*addinfo, zoom_addinfo);
360 strcat(*addinfo, " ");
362 sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
366 void yf::Zoom::Backend::connect(std::string zurl,
367 int *error, char **addinfo,
370 size_t h = zurl.find_first_of('#');
371 if (h != std::string::npos)
373 ZOOM_connection_connect(m_connection, zurl.length() ? zurl.c_str() : 0, 0);
374 get_zoom_error(error, addinfo, odr);
378 void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
379 int *error, char **addinfo, Z_FacetList **flp,
382 ZOOM_resultset_destroy(m_resultset);
386 WRBUF w = wrbuf_alloc();
387 yaz_facet_list_to_wrbuf(w, *flp);
388 set_option("facets", wrbuf_cstr(w));
391 m_resultset = ZOOM_connection_search(m_connection, q);
392 get_zoom_error(error, addinfo, odr);
394 *hits = ZOOM_resultset_size(m_resultset);
398 size_t num_facets = ZOOM_resultset_facets_size(m_resultset);
402 Z_FacetList *fl = (Z_FacetList *) odr_malloc(odr, sizeof(*fl));
403 fl->elements = (Z_FacetField **)
404 odr_malloc(odr, num_facets * sizeof(*fl->elements));
405 for (i = 0; i < num_facets; i++)
407 ZOOM_facet_field ff =
408 ZOOM_resultset_get_facet_field_by_index(m_resultset, i);
411 Z_AttributeList *al = (Z_AttributeList *)
412 odr_malloc(odr, sizeof(*al));
413 al->num_attributes = 1;
414 al->attributes = (Z_AttributeElement **)
415 odr_malloc(odr, sizeof(*al->attributes));
416 Z_AttributeElement *ae = al->attributes[0] = (Z_AttributeElement *)
417 odr_malloc(odr, sizeof(**al->attributes));
418 ae->attributeSet = 0;
419 ae->attributeType = odr_intdup(odr, 1);
420 ae->which = Z_AttributeValue_complex;
421 ae->value.complex = (Z_ComplexAttribute *)
422 odr_malloc(odr, sizeof(*ae->value.complex));
423 ae->value.complex->num_list = 1;
424 ae->value.complex->list = (Z_StringOrNumeric **)
425 odr_malloc(odr, sizeof(**ae->value.complex->list));
426 ae->value.complex->list[0] = (Z_StringOrNumeric *)
427 odr_malloc(odr, sizeof(**ae->value.complex->list));
428 ae->value.complex->list[0]->which = Z_StringOrNumeric_string;
429 ae->value.complex->list[0]->u.string =
430 odr_strdup(odr, ZOOM_facet_field_name(ff));
431 ae->value.complex->num_semanticAction = 0;
432 ae->value.complex->semanticAction = 0;
434 int num_terms = ZOOM_facet_field_term_count(ff);
435 fl->elements[i] = (Z_FacetField *)
436 odr_malloc(odr, sizeof(Z_FacetField));
437 fl->elements[i]->attributes = al;
438 fl->elements[i]->num_terms = num_terms;
439 fl->elements[i]->terms = (Z_FacetTerm **)
440 odr_malloc(odr, num_terms * sizeof(Z_FacetTerm *));
442 for (j = 0; j < num_terms; j++)
445 const char *a_term = ZOOM_facet_field_get_term(ff, j, &freq);
446 Z_FacetTerm *ft = (Z_FacetTerm *) odr_malloc(odr, sizeof(*ft));
447 ft->term = z_Term_create(odr, Z_Term_general, a_term,
449 ft->count = odr_intdup(odr, freq);
451 fl->elements[i]->terms[j] = ft;
459 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
461 int *error, char **addinfo, ODR odr)
463 ZOOM_resultset_records(m_resultset, recs, start, number);
464 get_zoom_error(error, addinfo, odr);
468 void yf::Zoom::Backend::set_option(const char *name, const char *value, size_t l)
470 ZOOM_connection_option_setl(m_connection, name, value, l);
473 void yf::Zoom::Backend::set_option(const char *name, const char *value)
475 ZOOM_connection_option_set(m_connection, name, value);
477 ZOOM_resultset_option_set(m_resultset, name, value);
480 void yf::Zoom::Backend::set_option(const char *name, std::string value)
482 set_option(name, value.c_str());
485 const char *yf::Zoom::Backend::get_option(const char *name)
487 return ZOOM_connection_option_get(m_connection, name);
490 yf::Zoom::Searchable::Searchable(CCL_bibset base)
493 use_turbomarc = true;
494 sortStrategy = "embed";
495 retry_on_failure = "1"; // existing default (should have been false)
496 ccl_bibset = ccl_qual_dup(base);
499 yf::Zoom::Searchable::~Searchable()
501 ccl_qual_rm(&ccl_bibset);
504 yf::Zoom::Frontend::Frontend(Impl *impl) :
505 m_p(impl), m_is_virtual(false), m_in_use(true)
509 yf::Zoom::Frontend::~Frontend()
513 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
515 boost::mutex::scoped_lock lock(m_mutex);
517 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
521 it = m_clients.find(package.session());
522 if (it == m_clients.end())
525 if (!it->second->m_in_use)
527 it->second->m_in_use = true;
530 m_cond_session_ready.wait(lock);
532 FrontendPtr f(new Frontend(this));
533 m_clients[package.session()] = f;
538 void yf::Zoom::Impl::release_frontend(mp::Package &package)
540 boost::mutex::scoped_lock lock(m_mutex);
541 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
543 it = m_clients.find(package.session());
544 if (it != m_clients.end())
546 if (package.session().is_closed())
552 it->second->m_in_use = false;
554 m_cond_session_ready.notify_all();
558 yf::Zoom::Impl::Impl() :
559 apdu_log(false), element_transform("pz2") , element_raw("raw") ,
560 element_passthru("F"),
561 zoom_timeout("40"), proxy_timeout(1)
563 bibset = ccl_qual_mk();
567 srand((unsigned int) time(0));
570 yf::Zoom::Impl::~Impl()
573 xsltFreeStylesheet(explain_xsp);
574 ccl_qual_rm(&bibset);
577 yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
579 Zoom::SearchablePtr s(new Searchable(bibset));
581 for (ptr = ptr->children; ptr; ptr = ptr->next)
583 if (ptr->type != XML_ELEMENT_NODE)
585 if (!strcmp((const char *) ptr->name, "layer"))
587 else if (!strcmp((const char *) ptr->name,
590 s->authentication = mp::xml::get_text(ptr);
592 else if (!strcmp((const char *) ptr->name,
593 "authenticationMode"))
595 s->authenticationMode = mp::xml::get_text(ptr);
597 else if (!strcmp((const char *) ptr->name,
598 "contentAuthentication"))
600 s->contentAuthentication = mp::xml::get_text(ptr);
602 else if (!strcmp((const char *) ptr->name,
605 s->cfAuth = mp::xml::get_text(ptr);
607 else if (!strcmp((const char *) ptr->name,
610 s->cfProxy = mp::xml::get_text(ptr);
612 else if (!strcmp((const char *) ptr->name,
615 s->cfSubDB = mp::xml::get_text(ptr);
617 else if (!strcmp((const char *) ptr->name,
620 s->contentConnector = mp::xml::get_text(ptr);
622 else if (!strcmp((const char *) ptr->name, "udb"))
624 s->udb = mp::xml::get_text(ptr);
626 else if (!strcmp((const char *) ptr->name, "zurl"))
628 s->target = mp::xml::get_text(ptr);
630 else if (!strcmp((const char *) ptr->name, "sru"))
632 s->sru = mp::xml::get_text(ptr);
634 else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
635 !strcmp((const char *) ptr->name, "sruVersion"))
637 s->sru_version = mp::xml::get_text(ptr);
639 else if (!strcmp((const char *) ptr->name,
642 s->query_encoding = mp::xml::get_text(ptr);
644 else if (!strcmp((const char *) ptr->name,
647 s->piggyback = mp::xml::get_bool(ptr, true);
649 else if (!strcmp((const char *) ptr->name,
652 s->request_syntax = mp::xml::get_text(ptr);
654 else if (!strcmp((const char *) ptr->name,
657 s->element_set = mp::xml::get_text(ptr);
659 else if (!strcmp((const char *) ptr->name,
662 s->record_encoding = mp::xml::get_text(ptr);
664 else if (!strcmp((const char *) ptr->name,
667 s->transform_xsl_fname = mp::xml::get_text(ptr);
669 else if (!strcmp((const char *) ptr->name,
672 s->transform_xsl_content = mp::xml::get_text(ptr);
674 else if (!strcmp((const char *) ptr->name,
677 s->urlRecipe = mp::xml::get_text(ptr);
679 else if (!strcmp((const char *) ptr->name,
682 ; // useTurboMarc is ignored
684 else if (!strncmp((const char *) ptr->name,
687 std::string value = mp::xml::get_text(ptr);
688 if (value.length() > 0)
690 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
691 (const char *) ptr->name + 7);
694 else if (!strncmp((const char *) ptr->name,
697 std::string value = mp::xml::get_text(ptr);
698 s->sortmap[(const char *) ptr->name + 8] = value;
700 else if (!strcmp((const char *) ptr->name,
703 s->sortStrategy = mp::xml::get_text(ptr);
705 else if (!strcmp((const char *) ptr->name,
708 s->extraArgs = mp::xml::get_text(ptr);
710 else if (!strcmp((const char *) ptr->name, "rpn2cql"))
711 s->rpn2cql_fname = mp::xml::get_text(ptr);
712 else if (!strcmp((const char *) ptr->name,
715 s->retry_on_failure = mp::xml::get_text(ptr);
721 void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
723 while (ptr && ptr->type != XML_ELEMENT_NODE)
728 if (!strcmp((const char *) ptr->name, "records"))
730 for (ptr = ptr->children; ptr; ptr = ptr->next)
732 if (ptr->type != XML_ELEMENT_NODE)
734 if (!strcmp((const char *) ptr->name, "record"))
736 SearchablePtr s = parse_torus_record(ptr);
739 std::string udb = s->udb;
744 throw mp::filter::FilterException
745 ("No udb for local torus record");
751 throw mp::filter::FilterException
753 + std::string((const char *) ptr->name)
754 + " in zoom filter inside element "
761 throw mp::filter::FilterException
763 + std::string((const char *) ptr->name)
764 + " in zoom filter inside element <torus>");
769 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
772 std::string explain_xslt_fname;
773 std::string record_xslt_fname;
779 for (ptr = ptr->children; ptr; ptr = ptr->next)
781 if (ptr->type != XML_ELEMENT_NODE)
783 else if (!strcmp((const char *) ptr->name, "torus"))
785 const struct _xmlAttr *attr;
786 for (attr = ptr->properties; attr; attr = attr->next)
788 if (!strcmp((const char *) attr->name, "url"))
789 torus_searchable_url = mp::xml::get_text(attr->children);
790 else if (!strcmp((const char *) attr->name, "content_url"))
791 torus_content_url = mp::xml::get_text(attr->children);
792 else if (!strcmp((const char *) attr->name, "auth_url"))
793 torus_auth_url = mp::xml::get_text(attr->children);
794 else if (!strcmp((const char *) attr->name, "realm"))
795 default_realm = mp::xml::get_text(attr->children);
796 else if (!strcmp((const char *) attr->name, "auth_hostname"))
797 torus_auth_hostname = mp::xml::get_text(attr->children);
798 else if (!strcmp((const char *) attr->name, "xsldir"))
799 xsldir = mp::xml::get_text(attr->children);
800 else if (!strcmp((const char *) attr->name, "element_transform"))
801 element_transform = mp::xml::get_text(attr->children);
802 else if (!strcmp((const char *) attr->name, "element_raw"))
803 element_raw = mp::xml::get_text(attr->children);
804 else if (!strcmp((const char *) attr->name, "element_passthru"))
805 element_passthru = mp::xml::get_text(attr->children);
806 else if (!strcmp((const char *) attr->name, "proxy"))
807 proxy = mp::xml::get_text(attr->children);
808 else if (!strcmp((const char *) attr->name, "explain_xsl"))
809 explain_xslt_fname = mp::xml::get_text(attr->children);
810 else if (!strcmp((const char *) attr->name, "record_xsl"))
811 record_xslt_fname = mp::xml::get_text(attr->children);
813 throw mp::filter::FilterException(
814 "Bad attribute " + std::string((const char *)
817 // If content_url is not given, use value of searchable, to
818 // ensure backwards compatibility
819 if (!torus_content_url.length())
820 torus_content_url = torus_searchable_url;
821 configure_local_records(ptr->children, test_only);
823 else if (!strcmp((const char *) ptr->name, "cclmap"))
825 const char *addinfo = 0;
826 ccl_xml_config(bibset, ptr, &addinfo);
828 else if (!strcmp((const char *) ptr->name, "fieldmap"))
830 const struct _xmlAttr *attr;
831 std::string ccl_field;
832 std::string cql_field;
833 for (attr = ptr->properties; attr; attr = attr->next)
835 if (!strcmp((const char *) attr->name, "ccl"))
836 ccl_field = mp::xml::get_text(attr->children);
837 else if (!strcmp((const char *) attr->name, "cql"))
838 cql_field = mp::xml::get_text(attr->children);
840 throw mp::filter::FilterException(
841 "Bad attribute " + std::string((const char *)
844 if (cql_field.length())
845 fieldmap[cql_field] = ccl_field;
847 else if (!strcmp((const char *) ptr->name, "contentProxy"))
849 const struct _xmlAttr *attr;
850 for (attr = ptr->properties; attr; attr = attr->next)
852 if (!strcmp((const char *) attr->name, "server"))
855 "contentProxy's server attribute is deprecated");
857 "Specify config_file instead. For example:");
859 " content_file=\"/etc/cf-proxy/cproxy.cfg\"");
860 content_proxy_server = mp::xml::get_text(attr->children);
862 else if (!strcmp((const char *) attr->name, "tmp_file"))
863 content_tmp_file = mp::xml::get_text(attr->children);
864 else if (!strcmp((const char *) attr->name, "config_file"))
865 content_config_file = mp::xml::get_text(attr->children);
867 throw mp::filter::FilterException(
868 "Bad attribute " + std::string((const char *)
872 else if (!strcmp((const char *) ptr->name, "log"))
874 const struct _xmlAttr *attr;
875 for (attr = ptr->properties; attr; attr = attr->next)
877 if (!strcmp((const char *) attr->name, "apdu"))
878 apdu_log = mp::xml::get_bool(attr->children, false);
880 throw mp::filter::FilterException(
881 "Bad attribute " + std::string((const char *)
885 else if (!strcmp((const char *) ptr->name, "zoom"))
887 const struct _xmlAttr *attr;
888 for (attr = ptr->properties; attr; attr = attr->next)
890 if (!strcmp((const char *) attr->name, "timeout"))
891 zoom_timeout = mp::xml::get_text(attr->children);
892 else if (!strcmp((const char *) attr->name, "proxy_timeout"))
893 proxy_timeout = mp::xml::get_int(attr->children, 1);
895 throw mp::filter::FilterException(
896 "Bad attribute " + std::string((const char *)
902 throw mp::filter::FilterException
904 + std::string((const char *) ptr->name)
905 + " in zoom filter");
909 if (explain_xslt_fname.length())
911 const char *path = 0;
914 path = xsldir.c_str();
916 path = file_path.c_str();
919 char *cp = yaz_filepath_resolve(explain_xslt_fname.c_str(),
923 throw mp::filter::FilterException
924 ("Cannot read XSLT " + explain_xslt_fname);
927 xmlDoc *xsp_doc = xmlParseFile(cp);
930 throw mp::filter::FilterException
931 ("Cannot parse XSLT " + explain_xslt_fname);
934 explain_xsp = xsltParseStylesheetDoc(xsp_doc);
938 throw mp::filter::FilterException
939 ("Cannot parse XSLT " + explain_xslt_fname);
944 if (record_xslt_fname.length())
946 const char *path = 0;
949 path = xsldir.c_str();
951 path = file_path.c_str();
954 char *cp = yaz_filepath_resolve(record_xslt_fname.c_str(),
958 throw mp::filter::FilterException
959 ("Cannot read XSLT " + record_xslt_fname);
962 xmlDoc *xsp_doc = xmlParseFile(cp);
965 throw mp::filter::FilterException
966 ("Cannot parse XSLT " + record_xslt_fname);
969 record_xsp = xsltParseStylesheetDoc(xsp_doc);
973 throw mp::filter::FilterException
974 ("Cannot parse XSLT " + record_xslt_fname);
980 bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
982 int *error, char **addinfo,
984 std::string authentication,
988 if (b->sptr->contentConnector.length())
990 std::string proxyhostname;
991 std::string tmp_file;
992 bool legacy_format = false;
994 if (m_p->content_proxy_server.length())
996 proxyhostname = m_p->content_proxy_server;
997 legacy_format = true;
1000 if (m_p->content_tmp_file.length())
1001 tmp_file = m_p->content_tmp_file;
1003 if (m_p->content_config_file.length())
1005 FILE *inf = fopen(m_p->content_config_file.c_str(), "r");
1009 while (fgets(buf, sizeof(buf)-1, inf))
1012 cp = strchr(buf, '#');
1015 cp = strchr(buf, '\n');
1018 cp = strchr(buf, ':');
1022 while (cp1 != buf && cp1[-1] == ' ')
1028 if (!strcmp(buf, "proxyhostname"))
1030 if (!strcmp(buf, "sessiondir") && *cp)
1032 if (cp[strlen(cp)-1] == '/')
1033 cp[strlen(cp)-1] = '\0';
1034 tmp_file = std::string(cp) + std::string("/cf.XXXXXX.p");
1042 package.log("zoom", YLOG_WARN|YLOG_ERRNO,
1043 "unable to open content config %s",
1044 m_p->content_config_file.c_str());
1045 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1046 *addinfo = (char *) odr_malloc(odr, 70 + tmp_file.length());
1047 sprintf(*addinfo, "zoom: unable to open content config %s",
1048 m_p->content_config_file.c_str());
1053 if (proxyhostname.length() == 0)
1055 package.log("zoom", YLOG_WARN, "no proxyhostname");
1058 if (tmp_file.length() == 0)
1060 package.log("zoom", YLOG_WARN, "no tmp_file");
1064 char *fname = xstrdup(tmp_file.c_str());
1065 char *xx = strstr(fname, "XXXXXX");
1068 package.log("zoom", YLOG_WARN, "bad tmp_file %s", tmp_file.c_str());
1069 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1070 *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
1071 sprintf(*addinfo, "zoom: bad format of content tmp_file: %s",
1076 char tmp_char = xx[6];
1077 sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
1079 b->cproxy_host = std::string(xx) + "." + proxyhostname;
1081 b->cproxy_host = proxyhostname + "/" + xx;
1084 FILE *file = fopen(fname, "w");
1087 package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
1088 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1089 *addinfo = (char *) odr_malloc(odr, 50 + strlen(fname));
1090 sprintf(*addinfo, "zoom: could not create %s", fname);
1095 wrbuf_puts(w, "#content_proxy\n");
1096 wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
1097 if (authentication.length())
1098 wrbuf_printf(w, "auth: %s\n", authentication.c_str());
1100 wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
1102 wrbuf_printf(w, "realm: %s\n", realm.c_str());
1104 fwrite(w.buf(), 1, w.len(), file);
1106 package.log("zoom", YLOG_LOG, "content file: %s", fname);
1112 yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
1113 mp::Package &package,
1114 std::string &database, int *error, char **addinfo, mp::odr &odr,
1117 bool connection_reuse = false;
1120 std::list<BackendPtr>::const_iterator map_it;
1121 if (m_backend && !m_backend->enable_explain &&
1122 m_backend->m_frontend_database == database)
1124 connection_reuse = true;
1125 proxy = m_backend->m_proxy;
1128 std::string input_args;
1129 std::string torus_db;
1130 size_t db_arg_pos = database.find(',');
1131 if (db_arg_pos != std::string::npos)
1133 torus_db = database.substr(0, db_arg_pos);
1134 input_args = database.substr(db_arg_pos + 1);
1137 torus_db = database;
1139 std::string authentication;
1140 std::string content_authentication;
1141 std::string content_proxy;
1142 std::string realm = session_realm;
1143 if (realm.length() == 0)
1144 realm = m_p->default_realm;
1146 const char *param_user = 0;
1147 const char *param_password = 0;
1148 const char *param_content_user = 0;
1149 const char *param_content_password = 0;
1150 const char *param_nocproxy = 0;
1151 const char *param_retry = 0;
1156 int no_out_args = 0;
1157 if (input_args.length())
1158 no_parms = yaz_uri_to_array(input_args.c_str(),
1159 odr, &names, &values);
1160 // adding 10 because we'll be adding other URL args
1161 const char **out_names = (const char **)
1162 odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
1163 const char **out_values = (const char **)
1164 odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
1166 // may be changed if it's a content connection
1167 std::string torus_url = m_p->torus_searchable_url;
1169 for (i = 0; i < no_parms; i++)
1171 const char *name = names[i];
1172 const char *value = values[i];
1175 if (!strcmp(name, "user"))
1177 else if (!strcmp(name, "password"))
1178 param_password = value;
1179 else if (!strcmp(name, "content-user"))
1180 param_content_user = value;
1181 else if (!strcmp(name, "content-password"))
1182 param_content_password = value;
1183 else if (!strcmp(name, "content-proxy"))
1184 content_proxy = value;
1185 else if (!strcmp(name, "nocproxy"))
1186 param_nocproxy = value;
1187 else if (!strcmp(name, "retry"))
1188 param_retry = value;
1189 else if (!strcmp(name, "proxy"))
1193 nmem_strsplit(((ODR) odr)->mem, ",", value, &dstr, &dnum);
1194 if (connection_reuse)
1196 // find the step after our current proxy
1198 for (i = 0; i < dnum; i++)
1199 if (!strcmp(proxy.c_str(), dstr[i]))
1204 *proxy_step = i + 1;
1208 // step is known.. Guess our proxy from it
1209 if (*proxy_step >= dnum)
1213 proxy = dstr[*proxy_step];
1216 if (*proxy_step == dnum)
1221 else if (!strcmp(name, "cproxysession"))
1223 out_names[no_out_args] = name;
1224 out_values[no_out_args++] = value;
1225 torus_url = m_p->torus_content_url;
1227 else if (!strcmp(name, "realm") && session_realm.length() == 0)
1229 else if (!strcmp(name, "torus_url") && session_realm.length() == 0)
1231 else if (name[0] == 'x' && name[1] == '-')
1233 out_names[no_out_args] = name;
1234 out_values[no_out_args++] = value;
1238 BackendPtr notfound;
1239 char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
1240 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1241 sprintf(msg, "zoom: bad database argument: %s", name);
1247 package.log("zoom", YLOG_LOG, "proxy: %s", proxy.c_str());
1249 if (connection_reuse)
1251 m_backend->connect("", error, addinfo, odr);
1257 authentication = std::string(param_user);
1259 authentication += "/" + std::string(param_password);
1261 if (param_content_user)
1263 content_authentication = std::string(param_content_user);
1264 if (param_content_password)
1265 content_authentication += "/" + std::string(param_content_password);
1268 if (torus_db.compare("IR-Explain---1") == 0)
1269 return explain_search(package, database, error, addinfo, odr, torus_url,
1274 std::map<std::string,SearchablePtr>::iterator it;
1275 it = m_p->s_map.find(torus_db);
1276 if (it != m_p->s_map.end())
1278 else if (torus_url.length() > 0)
1280 std::string torus_addinfo;
1281 std::string torus_query = "udb==" + torus_db;
1282 xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
1288 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1289 if (torus_addinfo.length())
1290 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
1294 const xmlNode *ptr = xmlDocGetRootElement(doc);
1295 if (ptr && ptr->type == XML_ELEMENT_NODE)
1297 if (!strcmp((const char *) ptr->name, "record"))
1299 sptr = m_p->parse_torus_record(ptr);
1301 else if (!strcmp((const char *) ptr->name, "records"))
1303 for (ptr = ptr->children; ptr; ptr = ptr->next)
1305 if (ptr->type == XML_ELEMENT_NODE
1306 && !strcmp((const char *) ptr->name, "record"))
1310 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1312 odr_malloc(odr, 40 + torus_db.length());
1313 sprintf(*addinfo, "multiple records for udb=%s",
1319 sptr = m_p->parse_torus_record(ptr);
1325 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1326 *addinfo = (char*) odr_malloc(
1327 odr, 40 + strlen((const char *) ptr->name));
1328 sprintf(*addinfo, "bad root element for torus: %s", ptr->name);
1339 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1340 *addinfo = odr_strdup(odr, torus_db.c_str());
1345 xsltStylesheetPtr xsp = 0;
1346 if (sptr->transform_xsl_content.length())
1348 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
1349 sptr->transform_xsl_content.length());
1352 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1353 *addinfo = odr_strdup(odr, "zoom: xmlParseMemory failed "
1354 "for literalTransform XSL");
1358 xsp = xsltParseStylesheetDoc(xsp_doc);
1361 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1363 odr_strdup(odr,"zoom: xsltParseStylesheetDoc failed "
1364 "for literalTransform XSL");
1366 xmlFreeDoc(xsp_doc);
1370 else if (sptr->transform_xsl_fname.length())
1372 const char *path = 0;
1374 if (m_p->xsldir.length())
1375 path = m_p->xsldir.c_str();
1377 path = m_p->file_path.c_str();
1380 char fullpath[1024];
1381 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
1387 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1389 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
1390 sprintf(*addinfo, "zoom: could not open file %s",
1391 sptr->transform_xsl_fname.c_str());
1395 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
1398 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1399 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1400 sprintf(*addinfo, "zoom: xmlParseFile failed for file %s",
1405 xsp = xsltParseStylesheetDoc(xsp_doc);
1408 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1409 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1410 sprintf(*addinfo, "zoom: xsltParseStylesheetDoc failed "
1411 "for file %s", fname.c_str());
1413 xmlFreeDoc(xsp_doc);
1418 cql_transform_t cqlt = 0;
1419 if (sptr->rpn2cql_fname.length())
1421 char fullpath[1024];
1422 char *cp = yaz_filepath_resolve(sptr->rpn2cql_fname.c_str(),
1423 m_p->file_path.c_str(), 0, fullpath);
1425 cqlt = cql_transform_open_fname(fullpath);
1428 cqlt = cql_transform_create();
1432 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1433 *addinfo = odr_strdup(odr, "zoom: missing/invalid cql2rpn file");
1435 xsltFreeStylesheet(xsp);
1441 BackendPtr b(new Backend);
1446 b->m_frontend_database = database;
1447 b->enable_cproxy = param_nocproxy ? false : true;
1450 b->retry_on_failure = param_retry;
1452 b->retry_on_failure = b->sptr->retry_on_failure;
1454 if (sptr->query_encoding.length())
1455 b->set_option("rpnCharset", sptr->query_encoding);
1457 std::string extraArgs = sptr->extraArgs;
1459 b->set_option("timeout", m_p->zoom_timeout.c_str());
1462 b->set_option("apdulog", "1");
1464 if (sptr->piggyback && sptr->sru.length())
1465 b->set_option("count", "1"); /* some SRU servers INSIST on getting
1466 maximumRecords > 0 */
1467 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
1469 if (content_authentication.length() == 0)
1470 content_authentication = sptr->contentAuthentication;
1472 if (authentication.length() == 0)
1473 authentication = sptr->authentication;
1475 if (proxy.length() == 0)
1476 proxy = sptr->cfProxy;
1479 if (sptr->cfAuth.length())
1482 b->set_option("user", sptr->cfAuth);
1483 if (authentication.length())
1485 size_t found = authentication.find('/');
1486 if (found != std::string::npos)
1488 out_names[no_out_args] = "user";
1489 out_values[no_out_args++] =
1490 odr_strdup(odr, authentication.substr(0, found).c_str());
1492 out_names[no_out_args] = "password";
1493 out_values[no_out_args++] =
1494 odr_strdup(odr, authentication.substr(found+1).c_str());
1498 out_names[no_out_args] = "user";
1499 out_values[no_out_args++] =
1500 odr_strdup(odr, authentication.c_str());
1505 out_names[no_out_args] = "proxy";
1506 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
1508 if (sptr->cfSubDB.length())
1510 out_names[no_out_args] = "subdatabase";
1511 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
1513 if (!param_nocproxy && b->sptr->contentConnector.length())
1514 param_nocproxy = "1";
1518 out_names[no_out_args] = "nocproxy";
1519 out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
1524 const char *auth = authentication.c_str();
1525 const char *cp1 = strchr(auth, ' ');
1526 if (!cp1 && sptr->sru.length())
1527 cp1 = strchr(auth, '/');
1530 /* Z39.50 user/password style, or no password for SRU */
1531 b->set_option("user", auth);
1535 /* now consider group as well */
1536 const char *cp2 = strchr(cp1 + 1, ' ');
1538 b->set_option("user", auth, cp1 - auth);
1540 b->set_option("password", cp1 + 1);
1543 b->set_option("group", cp1 + 1, cp2 - cp1 - 1);
1544 b->set_option("password", cp2 + 1);
1547 if (sptr->authenticationMode.length())
1548 b->set_option("authenticationMode", sptr->authenticationMode);
1550 b->set_option("proxy", proxy);
1552 if (extraArgs.length())
1553 b->set_option("extraArgs", extraArgs);
1555 std::string url(sptr->target);
1556 if (sptr->sru.length())
1558 b->set_option("sru", sptr->sru);
1559 if (url.find("://") == std::string::npos)
1560 url = "http://" + url;
1561 if (sptr->sru_version.length())
1562 b->set_option("sru_version", sptr->sru_version);
1567 out_names[no_out_args] = 0; // terminate list
1569 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1570 (char **) out_values);
1571 url += "," + std::string(x_args);
1573 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1574 b->connect(url, error, addinfo, odr);
1575 if (*error == 0 && b->enable_cproxy)
1576 create_content_session(package, b, error, addinfo, odr,
1577 content_authentication.length() ?
1578 content_authentication : authentication,
1579 content_proxy.length() ? content_proxy : proxy,
1586 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1587 Odr_oid *preferredRecordSyntax,
1588 const char *element_set_name,
1589 bool &enable_pz2_retrieval,
1590 bool &enable_pz2_transform,
1591 bool &enable_record_transform,
1592 bool &assume_marc8_charset)
1594 char oid_name_str[OID_STR_MAX];
1595 const char *syntax_name = 0;
1597 if (preferredRecordSyntax &&
1598 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
1600 if (element_set_name &&
1601 !strcmp(element_set_name, m_p->element_transform.c_str()))
1603 enable_pz2_retrieval = true;
1604 enable_pz2_transform = true;
1606 else if (element_set_name &&
1607 !strcmp(element_set_name, m_p->element_raw.c_str()))
1609 enable_pz2_retrieval = true;
1611 else if (m_p->record_xsp)
1613 enable_pz2_retrieval = true;
1614 enable_pz2_transform = true;
1615 enable_record_transform = true;
1619 if (enable_pz2_retrieval)
1621 std::string configured_request_syntax = b->sptr->request_syntax;
1622 if (configured_request_syntax.length())
1624 syntax_name = configured_request_syntax.c_str();
1625 const Odr_oid *syntax_oid =
1626 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1627 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1628 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1629 assume_marc8_charset = true;
1632 else if (preferredRecordSyntax)
1634 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1636 if (b->sptr->sru.length())
1637 syntax_name = "XML";
1639 b->set_option("preferredRecordSyntax", syntax_name);
1641 if (enable_pz2_retrieval)
1643 if (element_set_name && !strcmp(element_set_name,
1644 m_p->element_passthru.c_str()))
1648 element_set_name = 0;
1649 if (b->sptr->element_set.length())
1650 element_set_name = b->sptr->element_set.c_str();
1654 b->set_option("elementSetName", element_set_name);
1655 if (b->sptr->sru.length() && element_set_name)
1656 b->set_option("schema", element_set_name);
1659 Z_Records *yf::Zoom::Frontend::get_explain_records(
1660 mp::Package &package,
1662 Odr_int number_to_present,
1665 Odr_int *number_of_records_returned,
1668 Odr_oid *preferredRecordSyntax,
1669 const char *element_set_name)
1672 Z_Records *records = 0;
1674 if (!b->explain_doc)
1678 if (number_to_present > 10000)
1679 number_to_present = 10000;
1681 xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
1683 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1684 odr_malloc(odr, sizeof(*npl));
1685 npl->records = (Z_NamePlusRecord **)
1686 odr_malloc(odr, number_to_present * sizeof(*npl->records));
1688 for (i = 0; i < number_to_present; i++)
1691 xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
1694 xmlBufferPtr xml_buf = xmlBufferCreate();
1695 xmlNode *tmp_node = xmlCopyNode(res->children, 1);
1696 xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
1698 Z_NamePlusRecord *npr =
1699 (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1700 npr->databaseName = odr_strdup(odr, b->m_frontend_database.c_str());
1701 npr->which = Z_NamePlusRecord_databaseRecord;
1702 npr->u.databaseRecord =
1703 z_ext_record_xml(odr,
1704 (const char *) xml_buf->content, xml_buf->use);
1705 npl->records[i] = npr;
1706 xmlFreeNode(tmp_node);
1707 xmlBufferFree(xml_buf);
1709 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1710 records->which = Z_Records_DBOSD;
1711 records->u.databaseOrSurDiagnostics = npl;
1713 npl->num_records = i;
1714 *number_of_records_returned = i;
1719 Z_Records *yf::Zoom::Frontend::get_records(mp::Package &package,
1721 Odr_int number_to_present,
1724 Odr_int *number_of_records_returned,
1727 Odr_oid *preferredRecordSyntax,
1728 const char *element_set_name)
1730 *number_of_records_returned = 0;
1731 Z_Records *records = 0;
1732 bool enable_pz2_retrieval = false; // whether target profile is used
1733 bool enable_pz2_transform = false; // whether XSLT is used as well
1734 bool assume_marc8_charset = false;
1735 bool enable_record_transform = false;
1737 prepare_elements(b, preferredRecordSyntax,
1739 enable_pz2_retrieval,
1740 enable_pz2_transform,
1741 enable_record_transform,
1742 assume_marc8_charset);
1744 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1745 enable_pz2_retrieval ? "yes" : "no",
1746 enable_pz2_transform ? "yes" : "no");
1748 if (start < 0 || number_to_present <=0)
1751 if (number_to_present > 10000)
1752 number_to_present = 10000;
1754 ZOOM_record *recs = (ZOOM_record *)
1755 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1757 b->present(start, number_to_present, recs, error, addinfo, odr);
1762 for (i = 0; i < number_to_present; i++)
1767 const char *addinfo;
1768 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1769 &addinfo, 0 /* diagset */);
1771 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS && addinfo &&
1773 "ZOOM C generated. Present phase and no records"))
1778 { // only return records if no error and at least one record
1780 const char *xsl_parms[3];
1781 mp::wrbuf cproxy_host;
1783 if (b->enable_cproxy && b->cproxy_host.length())
1785 wrbuf_puts(cproxy_host, "\"");
1786 wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
1787 wrbuf_puts(cproxy_host, "/\"");
1789 xsl_parms[0] = "cproxyhost";
1790 xsl_parms[1] = wrbuf_cstr(cproxy_host);
1798 char *odr_database = odr_strdup(odr,
1799 b->m_frontend_database.c_str());
1800 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1801 odr_malloc(odr, sizeof(*npl));
1802 *number_of_records_returned = i;
1803 npl->num_records = i;
1804 npl->records = (Z_NamePlusRecord **)
1805 odr_malloc(odr, i * sizeof(*npl->records));
1806 for (i = 0; i < npl->num_records; i++)
1808 Z_NamePlusRecord *npr = 0;
1809 const char *addinfo;
1811 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1812 &addinfo, 0 /* diagset */);
1816 log_diagnostic(package, sur_error, addinfo);
1817 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1820 else if (enable_pz2_retrieval)
1822 char rec_type_str[100];
1823 const char *record_encoding = 0;
1825 if (b->sptr->record_encoding.length())
1826 record_encoding = b->sptr->record_encoding.c_str();
1827 else if (assume_marc8_charset)
1828 record_encoding = "marc8";
1830 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1831 if (record_encoding)
1833 strcat(rec_type_str, "; charset=");
1834 strcat(rec_type_str, record_encoding);
1837 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1840 xmlChar *xmlrec_buf = 0;
1841 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1843 if (!rec_buf && !npr)
1845 std::string addinfo("ZOOM_record_get failed for type ");
1847 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1848 addinfo += rec_type_str;
1849 log_diagnostic(package, error, addinfo.c_str());
1850 npr = zget_surrogateDiagRec(odr, odr_database,
1851 error, addinfo.c_str());
1855 package.log_write(rec_buf, rec_len);
1856 package.log_write("\r\n", 2);
1859 if (rec_buf && b->xsp && enable_pz2_transform)
1861 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1864 const char *addinfo = "xml parse failed for record";
1865 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1866 log_diagnostic(package, error, addinfo);
1867 npr = zget_surrogateDiagRec(
1868 odr, odr_database, error, addinfo);
1872 // first stage XSLT - per target
1873 xsltStylesheetPtr xsp = b->xsp;
1874 xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
1876 // insert generated-url
1880 mp::xml::url_recipe_handle(rec_res,
1881 b->sptr->urlRecipe);
1884 xmlNode *ptr = xmlDocGetRootElement(rec_res);
1885 while (ptr && ptr->type != XML_ELEMENT_NODE)
1888 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1889 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1891 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1895 // second stage XSLT - common
1896 if (rec_res && m_p->record_xsp &&
1897 enable_record_transform)
1899 xmlDoc *tmp_doc = rec_res;
1901 xsp = m_p->record_xsp;
1902 rec_res = xsltApplyStylesheet(xsp, tmp_doc,
1904 xmlFreeDoc(tmp_doc);
1906 // get result out of it
1909 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1911 rec_buf = (const char *) xmlrec_buf;
1912 package.log_write(rec_buf, rec_len);
1914 xmlFreeDoc(rec_res);
1918 std::string addinfo;
1920 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1922 addinfo = "xslt apply failed for "
1923 + b->sptr->transform_xsl_fname;
1924 log_diagnostic(package, error, addinfo.c_str());
1925 npr = zget_surrogateDiagRec(
1926 odr, odr_database, error, addinfo.c_str());
1928 xmlFreeDoc(rec_doc);
1935 npr = zget_surrogateDiagRec(
1937 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1941 npr = (Z_NamePlusRecord *)
1942 odr_malloc(odr, sizeof(*npr));
1943 npr->databaseName = odr_database;
1944 npr->which = Z_NamePlusRecord_databaseRecord;
1945 npr->u.databaseRecord =
1946 z_ext_record_xml(odr, rec_buf, rec_len);
1950 xmlFree(xmlrec_buf);
1955 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1958 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1959 npr->databaseName = odr_database;
1960 npr->which = Z_NamePlusRecord_databaseRecord;
1961 npr->u.databaseRecord = ext;
1965 npr = zget_surrogateDiagRec(
1967 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1968 "ZOOM_record, type ext");
1971 npl->records[i] = npr;
1973 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1974 records->which = Z_Records_DBOSD;
1975 records->u.databaseOrSurDiagnostics = npl;
1980 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1983 struct cql_node *r = 0;
1991 std::map<std::string,std::string>::const_iterator it;
1992 it = fieldmap.find(cn->u.st.index);
1993 if (it == fieldmap.end())
1995 if (it->second.length())
1996 cn->u.st.index = odr_strdup(odr, it->second.c_str());
2002 r = convert_cql_fields(cn->u.boolean.left, odr);
2004 r = convert_cql_fields(cn->u.boolean.right, odr);
2007 r = convert_cql_fields(cn->u.sort.search, odr);
2013 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
2014 int error, const char *addinfo)
2016 const char *err_msg = yaz_diag_bib1_str(error);
2018 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
2019 error, err_msg, addinfo);
2021 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
2025 yf::Zoom::BackendPtr yf::Zoom::Frontend::explain_search(mp::Package &package,
2026 std::string &database,
2030 std::string torus_url,
2031 std::string &torus_db,
2036 BackendPtr b(new Backend);
2038 b->m_frontend_database = database;
2039 b->enable_explain = true;
2041 Z_GDU *gdu = package.request().get();
2042 Z_APDU *apdu_req = gdu->u.z3950;
2043 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2044 Z_Query *query = sr->query;
2046 if (!m_p->explain_xsp)
2048 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2050 odr_strdup(odr, "IR-Explain---1 unsupported. "
2051 "Torus explain_xsl not defined");
2054 else if (query->which == Z_Query_type_104 &&
2055 query->u.type_104->which == Z_External_CQL)
2057 std::string torus_addinfo;
2058 std::string torus_query(query->u.type_104->u.cql);
2059 xmlDoc *doc = mp::get_searchable(package, torus_url, "",
2063 if (m_p->explain_xsp)
2065 xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
2072 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2073 if (torus_addinfo.length())
2074 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2078 xmlNode *ptr = xmlDocGetRootElement(doc);
2081 xml_node_search(ptr, &hits, 0);
2083 Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
2084 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2085 package.response() = apdu_res;
2089 xmlFreeDoc(b->explain_doc);
2090 b->explain_doc = doc;
2095 *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2096 *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
2101 static bool wait_conn(COMSTACK cs, int secs)
2103 struct yaz_poll_fd pfd;
2105 yaz_poll_add(pfd.input_mask, yaz_poll_except);
2106 if (cs->io_pending & CS_WANT_WRITE)
2107 yaz_poll_add(pfd.input_mask, yaz_poll_write);
2108 if (cs->io_pending & CS_WANT_READ)
2109 yaz_poll_add(pfd.input_mask, yaz_poll_read);
2111 pfd.fd = cs_fileno(cs);
2112 pfd.client_data = 0;
2114 int ret = yaz_poll(&pfd, 1, secs, 0);
2118 bool yf::Zoom::Impl::check_proxy(const char *proxy)
2121 const char *uri = "http://localhost/";
2124 bool outcome = false;
2125 conn = cs_create_host_proxy(uri, 0, &add, proxy);
2130 Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
2131 gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
2133 if (z_GDU(odr, &gdu, 0, 0))
2136 char *buf = odr_getbuf(odr, &len, 0);
2138 int ret = cs_connect(conn, add);
2139 if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
2143 ret = cs_put(conn, buf, len);
2146 if (!wait_conn(conn, proxy_timeout))
2157 bool yf::Zoom::Frontend::retry(mp::Package &package,
2160 int &error, char **addinfo,
2161 int &proxy_step, int &same_retries,
2164 if (b && b->m_proxy.length() && !m_p->check_proxy(b->m_proxy.c_str()))
2166 log_diagnostic(package, error, *addinfo);
2167 package.log("zoom", YLOG_LOG, "proxy %s fails", b->m_proxy.c_str());
2169 if (proxy_step) // there is a failover
2172 package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
2175 error = YAZ_BIB1_PROXY_FAILURE;
2176 *addinfo = odr_strdup(odr, b->m_proxy.c_str());
2178 else if (b && b->retry_on_failure.compare("0")
2179 && same_retries == 0 && proxy_retries == 0)
2181 log_diagnostic(package, error, *addinfo);
2183 package.log("zoom", YLOG_WARN, "search failed: retry");
2191 void yf::Zoom::Frontend::handle_search(mp::Package &package)
2193 Z_GDU *gdu = package.request().get();
2194 Z_APDU *apdu_req = gdu->u.z3950;
2195 Z_APDU *apdu_res = 0;
2197 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2198 if (sr->num_databaseNames != 1)
2200 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
2201 log_diagnostic(package, error, 0);
2202 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
2203 package.response() = apdu_res;
2207 int same_retries = 0;
2208 int proxy_retries = 0;
2214 std::string db(sr->databaseNames[0]);
2216 BackendPtr b = get_backend_from_databases(package, db, &error,
2217 &addinfo, odr, &proxy_step);
2220 if (retry(package, odr, b, error, &addinfo, proxy_step,
2221 same_retries, proxy_retries))
2226 log_diagnostic(package, error, addinfo);
2227 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2228 package.response() = apdu_res;
2231 if (!b || b->enable_explain)
2234 b->set_option("setname", "default");
2236 bool enable_pz2_retrieval = false;
2237 bool enable_pz2_transform = false;
2238 bool enable_record_transform = false;
2239 bool assume_marc8_charset = false;
2240 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
2241 enable_pz2_retrieval,
2242 enable_pz2_transform,
2243 enable_record_transform,
2244 assume_marc8_charset);
2247 Z_Query *query = sr->query;
2248 mp::wrbuf ccl_wrbuf;
2249 mp::wrbuf pqf_wrbuf;
2250 std::string sortkeys;
2252 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
2255 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
2257 else if (query->which == Z_Query_type_2)
2260 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
2261 query->u.type_2->len);
2263 else if (query->which == Z_Query_type_104 &&
2264 query->u.type_104->which == Z_External_CQL)
2267 const char *cql = query->u.type_104->u.cql;
2268 CQL_parser cp = cql_parser_create();
2269 int r = cql_parser_string(cp, cql);
2270 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
2273 cql_parser_destroy(cp);
2274 error = YAZ_BIB1_MALFORMED_QUERY;
2275 const char *addinfo = "CQL syntax error";
2276 log_diagnostic(package, error, addinfo);
2278 odr.create_searchResponse(apdu_req, error, addinfo);
2279 package.response() = apdu_res;
2282 struct cql_node *cn = cql_parser_result(cp);
2283 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
2286 // hopefully we are getting a ptr to a index+relation+term node
2287 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
2289 if (cn_error->which == CQL_NODE_ST)
2290 addinfo = cn_error->u.st.index;
2292 log_diagnostic(package, error, addinfo);
2293 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2294 package.response() = apdu_res;
2295 cql_parser_destroy(cp);
2298 r = cql_to_ccl(cn, wrbuf_vp_puts, ccl_wrbuf);
2301 error = YAZ_BIB1_MALFORMED_QUERY;
2302 const char *addinfo = "CQL to CCL conversion error";
2304 log_diagnostic(package, error, addinfo);
2305 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2306 package.response() = apdu_res;
2307 cql_parser_destroy(cp);
2311 mp::wrbuf sru_sortkeys_wrbuf;
2312 if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
2314 error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
2315 const char *addinfo = "CQL to CCL sortby conversion";
2317 log_diagnostic(package, error, addinfo);
2318 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2319 package.response() = apdu_res;
2320 cql_parser_destroy(cp);
2323 mp::wrbuf sort_spec_wrbuf;
2324 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
2326 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
2327 yaz_tok_parse_t tp =
2328 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
2329 yaz_tok_cfg_destroy(tc);
2331 /* go through sortspec and map fields */
2332 int token = yaz_tok_move(tp);
2333 while (token != YAZ_TOK_EOF)
2335 if (token == YAZ_TOK_STRING)
2337 const char *field = yaz_tok_parse_string(tp);
2338 std::map<std::string,std::string>::iterator it;
2339 it = b->sptr->sortmap.find(field);
2340 if (it != b->sptr->sortmap.end())
2341 sortkeys += it->second;
2346 token = yaz_tok_move(tp);
2347 if (token == YAZ_TOK_STRING)
2349 sortkeys += yaz_tok_parse_string(tp);
2351 if (token != YAZ_TOK_EOF)
2354 token = yaz_tok_move(tp);
2357 yaz_tok_parse_destroy(tp);
2358 cql_parser_destroy(cp);
2362 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2363 const char *addinfo = 0;
2364 log_diagnostic(package, error, addinfo);
2365 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2366 package.response() = apdu_res;
2370 if (ccl_wrbuf.len())
2373 assert(pqf_wrbuf.len() == 0);
2375 struct ccl_rpn_node *cn;
2376 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
2377 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
2381 char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
2382 error = YAZ_BIB1_MALFORMED_QUERY;
2386 case CCL_ERR_UNKNOWN_QUAL:
2387 case CCL_ERR_TRUNC_NOT_LEFT:
2388 case CCL_ERR_TRUNC_NOT_RIGHT:
2389 case CCL_ERR_TRUNC_NOT_BOTH:
2390 #ifdef CCL_ERR_TRUNC_NOT_EMBED
2391 case CCL_ERR_TRUNC_NOT_EMBED:
2393 #ifdef CCL_ERR_TRUNC_NOT_SINGLE
2394 case CCL_ERR_TRUNC_NOT_SINGLE:
2396 error = YAZ_BIB1_UNSUPP_SEARCH;
2399 log_diagnostic(package, error, addinfo);
2400 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2401 package.response() = apdu_res;
2404 ccl_pquery(pqf_wrbuf, cn);
2405 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
2409 assert(pqf_wrbuf.len());
2411 ZOOM_query q = ZOOM_query_create();
2412 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
2414 Z_FacetList *fl = 0;
2416 // Facets for request.. And later for reponse
2418 fl = yaz_oi_get_facetlist(&sr->otherInfo);
2420 fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
2422 if (b->get_option("sru"))
2425 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
2427 mp::wrbuf wrb_addinfo;
2429 if (!strcmp(b->get_option("sru"), "solr"))
2430 error = solr_transform_rpn2solr_stream_r(b->cqlt, wrb_addinfo,
2431 wrbuf_vp_puts, wrb_cql,
2434 error = cql_transform_rpn2cql_stream_r(b->cqlt, wrb_addinfo,
2435 wrbuf_vp_puts, wrb_cql,
2439 log_diagnostic(package, error, wrb_addinfo.c_str_null());
2440 apdu_res = odr.create_searchResponse(apdu_req, error,
2441 wrb_addinfo.c_str_null());
2442 package.response() = apdu_res;
2445 ZOOM_query_cql(q, wrb_cql.c_str());
2446 package.log("zoom", YLOG_LOG, "search CQL: %s", wrb_cql.c_str());
2447 b->search(q, &hits, &error, &addinfo, &fl, odr);
2448 ZOOM_query_destroy(q);
2452 ZOOM_query_prefix(q, pqf_wrbuf.c_str());
2453 package.log("zoom", YLOG_LOG, "search PQF: %s", pqf_wrbuf.c_str());
2454 b->search(q, &hits, &error, &addinfo, &fl, odr);
2455 ZOOM_query_destroy(q);
2460 if (retry(package, odr, b, error, &addinfo, proxy_step,
2461 same_retries, proxy_retries))
2465 const char *element_set_name = 0;
2466 Odr_int number_to_present = 0;
2468 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
2470 Odr_int number_of_records_returned = 0;
2471 Z_Records *records = get_records(
2473 0, number_to_present, &error, &addinfo,
2474 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
2477 log_diagnostic(package, error, addinfo);
2478 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2481 apdu_res->u.searchResponse->records = records;
2482 apdu_res->u.searchResponse->numberOfRecordsReturned =
2483 odr_intdup(odr, number_of_records_returned);
2485 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2487 yaz_oi_set_facetlist(&apdu_res->u.searchResponse->additionalSearchInfo,
2489 package.response() = apdu_res;
2492 void yf::Zoom::Frontend::handle_present(mp::Package &package)
2494 Z_GDU *gdu = package.request().get();
2495 Z_APDU *apdu_req = gdu->u.z3950;
2496 Z_APDU *apdu_res = 0;
2497 Z_PresentRequest *pr = apdu_req->u.presentRequest;
2502 package.response() = odr.create_presentResponse(
2503 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
2506 const char *element_set_name = 0;
2507 Z_RecordComposition *comp = pr->recordComposition;
2508 if (comp && comp->which != Z_RecordComp_simple)
2510 package.response() = odr.create_presentResponse(
2512 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
2515 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
2516 element_set_name = comp->u.simple->u.generic;
2517 Odr_int number_of_records_returned = 0;
2521 if (m_backend->enable_explain)
2523 Z_Records *records =
2524 get_explain_records(
2526 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2527 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2528 pr->preferredRecordSyntax, element_set_name);
2530 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2533 apdu_res->u.presentResponse->records = records;
2534 apdu_res->u.presentResponse->numberOfRecordsReturned =
2535 odr_intdup(odr, number_of_records_returned);
2537 package.response() = apdu_res;
2541 Z_Records *records =
2542 get_records(package,
2543 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2544 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2545 pr->preferredRecordSyntax, element_set_name);
2547 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2550 apdu_res->u.presentResponse->records = records;
2551 apdu_res->u.presentResponse->numberOfRecordsReturned =
2552 odr_intdup(odr, number_of_records_returned);
2554 package.response() = apdu_res;
2558 void yf::Zoom::Frontend::handle_package(mp::Package &package)
2560 Z_GDU *gdu = package.request().get();
2563 else if (gdu->which == Z_GDU_Z3950)
2565 Z_APDU *apdu_req = gdu->u.z3950;
2568 wrbuf_rewind(m_backend->m_apdu_wrbuf);
2569 if (apdu_req->which == Z_APDU_initRequest)
2572 package.response() = odr.create_close(
2574 Z_Close_protocolError,
2577 else if (apdu_req->which == Z_APDU_searchRequest)
2579 handle_search(package);
2581 else if (apdu_req->which == Z_APDU_presentRequest)
2583 handle_present(package);
2588 package.response() = odr.create_close(
2590 Z_Close_protocolError,
2591 "zoom filter cannot handle this APDU");
2592 package.session().close();
2596 WRBUF w = m_backend->m_apdu_wrbuf;
2597 package.log_write(wrbuf_buf(w), wrbuf_len(w));
2602 package.session().close();
2606 std::string escape_cql_term(std::string inp)
2609 size_t l = inp.length();
2611 for (i = 0; i < l; i++)
2613 if (strchr("*?^\"", inp[i]))
2620 void yf::Zoom::Frontend::auth(mp::Package &package, Z_InitRequest *req,
2621 int *error, char **addinfo, ODR odr)
2623 if (m_p->torus_auth_url.length() == 0)
2627 std::string password;
2628 if (req->idAuthentication)
2630 Z_IdAuthentication *auth = req->idAuthentication;
2631 switch (auth->which)
2633 case Z_IdAuthentication_open:
2636 const char *cp = strchr(auth->u.open, '/');
2639 user.assign(auth->u.open, cp - auth->u.open);
2640 password.assign(cp + 1);
2644 case Z_IdAuthentication_idPass:
2645 if (auth->u.idPass->userId)
2646 user.assign(auth->u.idPass->userId);
2647 if (auth->u.idPass->password)
2648 password.assign(auth->u.idPass->password);
2653 Z_OtherInformation **oi = &req->otherInfo;
2655 yaz_oi_get_string_oid(oi, yaz_oid_userinfo_client_ip, 1, 0);
2657 ip = package.origin().get_address().c_str();
2659 yaz_log(YLOG_LOG, "IP=%s", ip);
2661 std::string torus_query;
2664 if (user.length() && password.length())
2666 torus_query = "userName==\"" + escape_cql_term(user) +
2667 "\" and password==\"" + escape_cql_term(password) + "\"";
2668 failure_code = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
2672 torus_query = "ipRanges encloses/net.ipaddress \"";
2673 torus_query += escape_cql_term(std::string(ip));
2674 torus_query += "\"";
2676 if (m_p->torus_auth_hostname.length())
2678 torus_query += " AND hostName == \"";
2679 torus_query += escape_cql_term(m_p->torus_auth_hostname);
2680 torus_query += "\"";
2682 failure_code = YAZ_BIB1_INIT_AC_BLOCKED_NETWORK_ADDRESS;
2685 std::string dummy_db;
2686 std::string dummy_realm;
2687 std::string torus_addinfo;
2688 xmlDoc *doc = mp::get_searchable(package, m_p->torus_auth_url, dummy_db,
2689 torus_query, dummy_realm, m_p->proxy,
2693 // something fundamental broken in lookup.
2694 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
2695 if (torus_addinfo.length())
2696 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2699 const xmlNode *ptr = xmlDocGetRootElement(doc);
2700 if (ptr && ptr->type == XML_ELEMENT_NODE)
2702 if (strcmp((const char *) ptr->name, "records") == 0)
2704 ptr = ptr->children;
2705 while (ptr && ptr->type != XML_ELEMENT_NODE)
2708 if (ptr && strcmp((const char *) ptr->name, "record") == 0)
2710 ptr = ptr->children;
2711 while (ptr && ptr->type != XML_ELEMENT_NODE)
2714 if (ptr && strcmp((const char *) ptr->name, "layer") == 0)
2716 ptr = ptr->children;
2717 while (ptr && ptr->type != XML_ELEMENT_NODE)
2722 if (ptr && ptr->type == XML_ELEMENT_NODE &&
2723 !strcmp((const char *) ptr->name, "identityId"))
2730 *error = failure_code;
2733 session_realm = mp::xml::get_text(ptr);
2736 void yf::Zoom::Impl::process(mp::Package &package)
2738 FrontendPtr f = get_frontend(package);
2739 Z_GDU *gdu = package.request().get();
2741 if (f->m_is_virtual)
2743 f->handle_package(package);
2745 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
2748 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
2749 f->m_init_gdu = gdu;
2752 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
2753 Z_InitResponse *resp = apdu->u.initResponse;
2756 static const int masks[] = {
2761 for (i = 0; masks[i] != -1; i++)
2762 if (ODR_MASK_GET(req->options, masks[i]))
2763 ODR_MASK_SET(resp->options, masks[i]);
2765 static const int versions[] = {
2766 Z_ProtocolVersion_1,
2767 Z_ProtocolVersion_2,
2768 Z_ProtocolVersion_3,
2771 for (i = 0; versions[i] != -1; i++)
2772 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
2773 ODR_MASK_SET(resp->protocolVersion, versions[i]);
2777 *resp->preferredMessageSize = *req->preferredMessageSize;
2778 *resp->maximumRecordSize = *req->maximumRecordSize;
2782 f->auth(package, req, &error, &addinfo, odr);
2785 resp->userInformationField =
2786 zget_init_diagnostics(odr, error, addinfo);
2788 package.session().close();
2791 f->m_is_virtual = true;
2792 package.response() = apdu;
2797 release_frontend(package);
2801 static mp::filter::Base* filter_creator()
2803 return new mp::filter::Zoom;
2807 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
2818 * c-file-style: "Stroustrup"
2819 * indent-tabs-mode: nil
2821 * vim: shiftwidth=4 tabstop=8 expandtab