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;
70 std::string query_encoding;
72 std::string sru_version;
73 std::string request_syntax;
74 std::string element_set;
75 std::string record_encoding;
76 std::string transform_xsl_fname;
77 std::string transform_xsl_content;
78 std::string urlRecipe;
79 std::string contentConnector;
80 std::string sortStrategy;
81 std::string extraArgs;
82 std::string rpn2cql_fname;
83 std::string retry_on_failure;
86 CCL_bibset ccl_bibset;
87 std::map<std::string, std::string> sortmap;
88 Searchable(CCL_bibset base);
91 class Zoom::Backend : boost::noncopyable {
93 friend class Frontend;
95 mp::wrbuf m_apdu_wrbuf;
96 ZOOM_connection m_connection;
97 ZOOM_resultset m_resultset;
98 std::string m_frontend_database;
100 xsltStylesheetPtr xsp;
101 std::string cproxy_host;
106 cql_transform_t cqlt;
107 std::string retry_on_failure;
111 void connect(std::string zurl, int *error, char **addinfo,
113 void search(ZOOM_query q, Odr_int *hits,
114 int *error, char **addinfo, Z_FacetList **fl, ODR odr);
115 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
116 int *error, char **addinfo, ODR odr);
117 void set_option(const char *name, const char *value);
118 void set_option(const char *name, const char *value, size_t l);
119 void set_option(const char *name, std::string value);
120 const char *get_option(const char *name);
121 void get_zoom_error(int *error, char **addinfo, ODR odr);
123 class Zoom::Frontend : boost::noncopyable {
128 std::string session_realm;
129 yazpp_1::GDU m_init_gdu;
130 BackendPtr m_backend;
131 void handle_package(mp::Package &package);
132 void handle_search(mp::Package &package);
133 void auth(mp::Package &package, Z_InitRequest *req,
134 int *error, char **addinfo, ODR odr);
136 BackendPtr explain_search(mp::Package &package,
137 std::string &database,
141 std::string torus_url,
142 std::string &torus_db,
144 void handle_present(mp::Package &package);
145 BackendPtr get_backend_from_databases(mp::Package &package,
146 std::string &database,
152 bool create_content_session(mp::Package &package,
157 std::string authentication,
161 void prepare_elements(BackendPtr b,
162 Odr_oid *preferredRecordSyntax,
163 const char *element_set_name,
164 bool &enable_pz2_retrieval,
165 bool &enable_pz2_transform,
166 bool &enable_record_transform,
167 bool &assume_marc8_charset);
169 Z_Records *get_records(Package &package,
171 Odr_int number_to_present,
174 Odr_int *number_of_records_returned,
175 ODR odr, BackendPtr b,
176 Odr_oid *preferredRecordSyntax,
177 const char *element_set_name);
178 Z_Records *get_explain_records(Package &package,
180 Odr_int number_to_present,
183 Odr_int *number_of_records_returned,
184 ODR odr, BackendPtr b,
185 Odr_oid *preferredRecordSyntax,
186 const char *element_set_name);
187 bool retry(mp::Package &package,
190 int &error, char **addinfo,
191 int &proxy_step, int &same_retries,
193 void log_diagnostic(mp::Package &package,
194 int error, const char *addinfo);
196 Frontend(Impl *impl);
200 friend class Frontend;
204 void process(metaproxy_1::Package & package);
205 void configure(const xmlNode * ptr, bool test_only,
208 void configure_local_records(const xmlNode * ptr, bool test_only);
209 bool check_proxy(const char *proxy);
213 FrontendPtr get_frontend(mp::Package &package);
214 void release_frontend(mp::Package &package);
215 SearchablePtr parse_torus_record(const xmlNode *ptr);
216 struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
217 std::map<mp::Session, FrontendPtr> m_clients;
218 boost::mutex m_mutex;
219 boost::condition m_cond_session_ready;
220 std::string torus_searchable_url;
221 std::string torus_content_url;
222 std::string torus_auth_url;
223 std::string default_realm;
224 std::string torus_auth_hostname;
225 std::map<std::string,std::string> fieldmap;
227 std::string file_path;
228 std::string content_proxy_server;
229 std::string content_tmp_file;
230 std::string content_config_file;
233 std::string element_transform;
234 std::string element_raw;
235 std::string element_passthru;
237 xsltStylesheetPtr explain_xsp;
238 xsltStylesheetPtr record_xsp;
239 std::map<std::string,SearchablePtr> s_map;
240 std::string zoom_timeout;
247 static xmlNode *xml_node_search(xmlNode *ptr, int *num, int m)
251 if (ptr->type == XML_ELEMENT_NODE &&
252 !strcmp((const char *) ptr->name, "recordData"))
258 else // else: we don't want to find nested nodes
260 xmlNode *ret_node = xml_node_search(ptr->children, num, m);
269 // define Pimpl wrapper forwarding to Impl
271 yf::Zoom::Zoom() : m_p(new Impl)
276 { // must have a destructor because of boost::scoped_ptr
279 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
282 m_p->configure(xmlnode, test_only, path);
285 void yf::Zoom::process(mp::Package &package) const
287 m_p->process(package);
291 // define Implementation stuff
293 yf::Zoom::Backend::Backend()
295 m_connection = ZOOM_connection_create(0);
296 ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
299 enable_cproxy = true;
300 enable_explain = false;
305 yf::Zoom::Backend::~Backend()
308 xsltFreeStylesheet(xsp);
310 xmlFreeDoc(explain_doc);
311 cql_transform_close(cqlt);
312 ZOOM_connection_destroy(m_connection);
313 ZOOM_resultset_destroy(m_resultset);
317 void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
321 const char *zoom_addinfo = 0;
322 const char *dset = 0;
323 int error0 = ZOOM_connection_error_x(m_connection, &msg,
324 &zoom_addinfo, &dset);
330 if (!strcmp(dset, "info:srw/diagnostic/1"))
331 *error = yaz_diag_srw_to_bib1(error0);
332 else if (!strcmp(dset, "Bib-1"))
334 else if (!strcmp(dset, "ZOOM"))
336 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
337 if (error0 == ZOOM_ERROR_INIT)
338 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
339 else if (error0 == ZOOM_ERROR_DECODE)
343 if (strstr(zoom_addinfo, "Authentication") ||
344 strstr(zoom_addinfo, "authentication"))
345 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
350 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
352 *addinfo = (char *) odr_malloc(
353 odr, 30 + strlen(dset) + strlen(msg) +
354 (zoom_addinfo ? strlen(zoom_addinfo) : 0));
356 if (zoom_addinfo && *zoom_addinfo)
358 strcpy(*addinfo, zoom_addinfo);
359 strcat(*addinfo, " ");
361 sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
365 void yf::Zoom::Backend::connect(std::string zurl,
366 int *error, char **addinfo,
369 size_t h = zurl.find_first_of('#');
370 if (h != std::string::npos)
372 ZOOM_connection_connect(m_connection, zurl.length() ? zurl.c_str() : 0, 0);
373 get_zoom_error(error, addinfo, odr);
377 void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
378 int *error, char **addinfo, Z_FacetList **flp,
381 ZOOM_resultset_destroy(m_resultset);
385 WRBUF w = wrbuf_alloc();
386 yaz_facet_list_to_wrbuf(w, *flp);
387 set_option("facets", wrbuf_cstr(w));
390 m_resultset = ZOOM_connection_search(m_connection, q);
391 get_zoom_error(error, addinfo, odr);
393 *hits = ZOOM_resultset_size(m_resultset);
397 size_t num_facets = ZOOM_resultset_facets_size(m_resultset);
401 Z_FacetList *fl = (Z_FacetList *) odr_malloc(odr, sizeof(*fl));
402 fl->elements = (Z_FacetField **)
403 odr_malloc(odr, num_facets * sizeof(*fl->elements));
404 for (i = 0; i < num_facets; i++)
406 ZOOM_facet_field ff =
407 ZOOM_resultset_get_facet_field_by_index(m_resultset, i);
410 Z_AttributeList *al = (Z_AttributeList *)
411 odr_malloc(odr, sizeof(*al));
412 al->num_attributes = 1;
413 al->attributes = (Z_AttributeElement **)
414 odr_malloc(odr, sizeof(*al->attributes));
415 Z_AttributeElement *ae = al->attributes[0] = (Z_AttributeElement *)
416 odr_malloc(odr, sizeof(**al->attributes));
417 ae->attributeSet = 0;
418 ae->attributeType = odr_intdup(odr, 1);
419 ae->which = Z_AttributeValue_complex;
420 ae->value.complex = (Z_ComplexAttribute *)
421 odr_malloc(odr, sizeof(*ae->value.complex));
422 ae->value.complex->num_list = 1;
423 ae->value.complex->list = (Z_StringOrNumeric **)
424 odr_malloc(odr, sizeof(**ae->value.complex->list));
425 ae->value.complex->list[0] = (Z_StringOrNumeric *)
426 odr_malloc(odr, sizeof(**ae->value.complex->list));
427 ae->value.complex->list[0]->which = Z_StringOrNumeric_string;
428 ae->value.complex->list[0]->u.string =
429 odr_strdup(odr, ZOOM_facet_field_name(ff));
430 ae->value.complex->num_semanticAction = 0;
431 ae->value.complex->semanticAction = 0;
433 int num_terms = ZOOM_facet_field_term_count(ff);
434 fl->elements[i] = (Z_FacetField *)
435 odr_malloc(odr, sizeof(Z_FacetField));
436 fl->elements[i]->attributes = al;
437 fl->elements[i]->num_terms = num_terms;
438 fl->elements[i]->terms = (Z_FacetTerm **)
439 odr_malloc(odr, num_terms * sizeof(Z_FacetTerm *));
441 for (j = 0; j < num_terms; j++)
444 const char *a_term = ZOOM_facet_field_get_term(ff, j, &freq);
445 Z_FacetTerm *ft = (Z_FacetTerm *) odr_malloc(odr, sizeof(*ft));
446 ft->term = z_Term_create(odr, Z_Term_general, a_term,
448 ft->count = odr_intdup(odr, freq);
450 fl->elements[i]->terms[j] = ft;
458 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
460 int *error, char **addinfo, ODR odr)
462 ZOOM_resultset_records(m_resultset, recs, start, number);
463 get_zoom_error(error, addinfo, odr);
467 void yf::Zoom::Backend::set_option(const char *name, const char *value, size_t l)
469 ZOOM_connection_option_setl(m_connection, name, value, l);
472 void yf::Zoom::Backend::set_option(const char *name, const char *value)
474 ZOOM_connection_option_set(m_connection, name, value);
476 ZOOM_resultset_option_set(m_resultset, name, value);
479 void yf::Zoom::Backend::set_option(const char *name, std::string value)
481 set_option(name, value.c_str());
484 const char *yf::Zoom::Backend::get_option(const char *name)
486 return ZOOM_connection_option_get(m_connection, name);
489 yf::Zoom::Searchable::Searchable(CCL_bibset base)
492 use_turbomarc = true;
493 sortStrategy = "embed";
494 retry_on_failure = "1"; // existing default (should have been false)
495 ccl_bibset = ccl_qual_dup(base);
498 yf::Zoom::Searchable::~Searchable()
500 ccl_qual_rm(&ccl_bibset);
503 yf::Zoom::Frontend::Frontend(Impl *impl) :
504 m_p(impl), m_is_virtual(false), m_in_use(true)
508 yf::Zoom::Frontend::~Frontend()
512 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
514 boost::mutex::scoped_lock lock(m_mutex);
516 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
520 it = m_clients.find(package.session());
521 if (it == m_clients.end())
524 if (!it->second->m_in_use)
526 it->second->m_in_use = true;
529 m_cond_session_ready.wait(lock);
531 FrontendPtr f(new Frontend(this));
532 m_clients[package.session()] = f;
537 void yf::Zoom::Impl::release_frontend(mp::Package &package)
539 boost::mutex::scoped_lock lock(m_mutex);
540 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
542 it = m_clients.find(package.session());
543 if (it != m_clients.end())
545 if (package.session().is_closed())
551 it->second->m_in_use = false;
553 m_cond_session_ready.notify_all();
557 yf::Zoom::Impl::Impl() :
558 apdu_log(false), element_transform("pz2") , element_raw("raw") ,
559 element_passthru("F"),
560 zoom_timeout("40"), proxy_timeout(1)
562 bibset = ccl_qual_mk();
566 srand((unsigned int) time(0));
569 yf::Zoom::Impl::~Impl()
572 xsltFreeStylesheet(explain_xsp);
573 ccl_qual_rm(&bibset);
576 yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
578 Zoom::SearchablePtr s(new Searchable(bibset));
580 for (ptr = ptr->children; ptr; ptr = ptr->next)
582 if (ptr->type != XML_ELEMENT_NODE)
584 if (!strcmp((const char *) ptr->name, "layer"))
586 else if (!strcmp((const char *) ptr->name,
589 s->authentication = mp::xml::get_text(ptr);
591 else if (!strcmp((const char *) ptr->name,
592 "authenticationMode"))
594 s->authenticationMode = mp::xml::get_text(ptr);
596 else if (!strcmp((const char *) ptr->name,
599 s->cfAuth = mp::xml::get_text(ptr);
601 else if (!strcmp((const char *) ptr->name,
604 s->cfProxy = mp::xml::get_text(ptr);
606 else if (!strcmp((const char *) ptr->name,
609 s->cfSubDB = mp::xml::get_text(ptr);
611 else if (!strcmp((const char *) ptr->name,
614 s->contentConnector = mp::xml::get_text(ptr);
616 else if (!strcmp((const char *) ptr->name, "udb"))
618 s->udb = mp::xml::get_text(ptr);
620 else if (!strcmp((const char *) ptr->name, "zurl"))
622 s->target = mp::xml::get_text(ptr);
624 else if (!strcmp((const char *) ptr->name, "sru"))
626 s->sru = mp::xml::get_text(ptr);
628 else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
629 !strcmp((const char *) ptr->name, "sruVersion"))
631 s->sru_version = mp::xml::get_text(ptr);
633 else if (!strcmp((const char *) ptr->name,
636 s->query_encoding = mp::xml::get_text(ptr);
638 else if (!strcmp((const char *) ptr->name,
641 s->piggyback = mp::xml::get_bool(ptr, true);
643 else if (!strcmp((const char *) ptr->name,
646 s->request_syntax = mp::xml::get_text(ptr);
648 else if (!strcmp((const char *) ptr->name,
651 s->element_set = mp::xml::get_text(ptr);
653 else if (!strcmp((const char *) ptr->name,
656 s->record_encoding = mp::xml::get_text(ptr);
658 else if (!strcmp((const char *) ptr->name,
661 s->transform_xsl_fname = mp::xml::get_text(ptr);
663 else if (!strcmp((const char *) ptr->name,
666 s->transform_xsl_content = mp::xml::get_text(ptr);
668 else if (!strcmp((const char *) ptr->name,
671 s->urlRecipe = mp::xml::get_text(ptr);
673 else if (!strcmp((const char *) ptr->name,
676 ; // useTurboMarc is ignored
678 else if (!strncmp((const char *) ptr->name,
681 std::string value = mp::xml::get_text(ptr);
682 if (value.length() > 0)
684 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
685 (const char *) ptr->name + 7);
688 else if (!strncmp((const char *) ptr->name,
691 std::string value = mp::xml::get_text(ptr);
692 s->sortmap[(const char *) ptr->name + 8] = value;
694 else if (!strcmp((const char *) ptr->name,
697 s->sortStrategy = mp::xml::get_text(ptr);
699 else if (!strcmp((const char *) ptr->name,
702 s->extraArgs = mp::xml::get_text(ptr);
704 else if (!strcmp((const char *) ptr->name, "rpn2cql"))
705 s->rpn2cql_fname = mp::xml::get_text(ptr);
706 else if (!strcmp((const char *) ptr->name,
709 s->retry_on_failure = mp::xml::get_text(ptr);
715 void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
717 while (ptr && ptr->type != XML_ELEMENT_NODE)
722 if (!strcmp((const char *) ptr->name, "records"))
724 for (ptr = ptr->children; ptr; ptr = ptr->next)
726 if (ptr->type != XML_ELEMENT_NODE)
728 if (!strcmp((const char *) ptr->name, "record"))
730 SearchablePtr s = parse_torus_record(ptr);
733 std::string udb = s->udb;
738 throw mp::filter::FilterException
739 ("No udb for local torus record");
745 throw mp::filter::FilterException
747 + std::string((const char *) ptr->name)
748 + " in zoom filter inside element "
755 throw mp::filter::FilterException
757 + std::string((const char *) ptr->name)
758 + " in zoom filter inside element <torus>");
763 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
766 std::string explain_xslt_fname;
767 std::string record_xslt_fname;
773 for (ptr = ptr->children; ptr; ptr = ptr->next)
775 if (ptr->type != XML_ELEMENT_NODE)
777 else if (!strcmp((const char *) ptr->name, "torus"))
779 const struct _xmlAttr *attr;
780 for (attr = ptr->properties; attr; attr = attr->next)
782 if (!strcmp((const char *) attr->name, "url"))
783 torus_searchable_url = mp::xml::get_text(attr->children);
784 else if (!strcmp((const char *) attr->name, "content_url"))
785 torus_content_url = mp::xml::get_text(attr->children);
786 else if (!strcmp((const char *) attr->name, "auth_url"))
787 torus_auth_url = mp::xml::get_text(attr->children);
788 else if (!strcmp((const char *) attr->name, "realm"))
789 default_realm = mp::xml::get_text(attr->children);
790 else if (!strcmp((const char *) attr->name, "auth_hostname"))
791 torus_auth_hostname = mp::xml::get_text(attr->children);
792 else if (!strcmp((const char *) attr->name, "xsldir"))
793 xsldir = mp::xml::get_text(attr->children);
794 else if (!strcmp((const char *) attr->name, "element_transform"))
795 element_transform = mp::xml::get_text(attr->children);
796 else if (!strcmp((const char *) attr->name, "element_raw"))
797 element_raw = mp::xml::get_text(attr->children);
798 else if (!strcmp((const char *) attr->name, "element_passthru"))
799 element_passthru = mp::xml::get_text(attr->children);
800 else if (!strcmp((const char *) attr->name, "proxy"))
801 proxy = mp::xml::get_text(attr->children);
802 else if (!strcmp((const char *) attr->name, "explain_xsl"))
803 explain_xslt_fname = mp::xml::get_text(attr->children);
804 else if (!strcmp((const char *) attr->name, "record_xsl"))
805 record_xslt_fname = mp::xml::get_text(attr->children);
807 throw mp::filter::FilterException(
808 "Bad attribute " + std::string((const char *)
811 // If content_url is not given, use value of searchable, to
812 // ensure backwards compatibility
813 if (!torus_content_url.length())
814 torus_content_url = torus_searchable_url;
815 configure_local_records(ptr->children, test_only);
817 else if (!strcmp((const char *) ptr->name, "cclmap"))
819 const char *addinfo = 0;
820 ccl_xml_config(bibset, ptr, &addinfo);
822 else if (!strcmp((const char *) ptr->name, "fieldmap"))
824 const struct _xmlAttr *attr;
825 std::string ccl_field;
826 std::string cql_field;
827 for (attr = ptr->properties; attr; attr = attr->next)
829 if (!strcmp((const char *) attr->name, "ccl"))
830 ccl_field = mp::xml::get_text(attr->children);
831 else if (!strcmp((const char *) attr->name, "cql"))
832 cql_field = mp::xml::get_text(attr->children);
834 throw mp::filter::FilterException(
835 "Bad attribute " + std::string((const char *)
838 if (cql_field.length())
839 fieldmap[cql_field] = ccl_field;
841 else if (!strcmp((const char *) ptr->name, "contentProxy"))
843 const struct _xmlAttr *attr;
844 for (attr = ptr->properties; attr; attr = attr->next)
846 if (!strcmp((const char *) attr->name, "server"))
849 "contentProxy's server attribute is deprecated");
851 "Specify config_file instead. For example:");
853 " content_file=\"/etc/cf-proxy/cproxy.cfg\"");
854 content_proxy_server = mp::xml::get_text(attr->children);
856 else if (!strcmp((const char *) attr->name, "tmp_file"))
857 content_tmp_file = mp::xml::get_text(attr->children);
858 else if (!strcmp((const char *) attr->name, "config_file"))
859 content_config_file = mp::xml::get_text(attr->children);
861 throw mp::filter::FilterException(
862 "Bad attribute " + std::string((const char *)
866 else if (!strcmp((const char *) ptr->name, "log"))
868 const struct _xmlAttr *attr;
869 for (attr = ptr->properties; attr; attr = attr->next)
871 if (!strcmp((const char *) attr->name, "apdu"))
872 apdu_log = mp::xml::get_bool(attr->children, false);
874 throw mp::filter::FilterException(
875 "Bad attribute " + std::string((const char *)
879 else if (!strcmp((const char *) ptr->name, "zoom"))
881 const struct _xmlAttr *attr;
882 for (attr = ptr->properties; attr; attr = attr->next)
884 if (!strcmp((const char *) attr->name, "timeout"))
885 zoom_timeout = mp::xml::get_text(attr->children);
886 else if (!strcmp((const char *) attr->name, "proxy_timeout"))
887 proxy_timeout = mp::xml::get_int(attr->children, 1);
889 throw mp::filter::FilterException(
890 "Bad attribute " + std::string((const char *)
896 throw mp::filter::FilterException
898 + std::string((const char *) ptr->name)
899 + " in zoom filter");
903 if (explain_xslt_fname.length())
905 const char *path = 0;
908 path = xsldir.c_str();
910 path = file_path.c_str();
913 char *cp = yaz_filepath_resolve(explain_xslt_fname.c_str(),
917 throw mp::filter::FilterException
918 ("Cannot read XSLT " + explain_xslt_fname);
921 xmlDoc *xsp_doc = xmlParseFile(cp);
924 throw mp::filter::FilterException
925 ("Cannot parse XSLT " + explain_xslt_fname);
928 explain_xsp = xsltParseStylesheetDoc(xsp_doc);
932 throw mp::filter::FilterException
933 ("Cannot parse XSLT " + explain_xslt_fname);
938 if (record_xslt_fname.length())
940 const char *path = 0;
943 path = xsldir.c_str();
945 path = file_path.c_str();
948 char *cp = yaz_filepath_resolve(record_xslt_fname.c_str(),
952 throw mp::filter::FilterException
953 ("Cannot read XSLT " + record_xslt_fname);
956 xmlDoc *xsp_doc = xmlParseFile(cp);
959 throw mp::filter::FilterException
960 ("Cannot parse XSLT " + record_xslt_fname);
963 record_xsp = xsltParseStylesheetDoc(xsp_doc);
967 throw mp::filter::FilterException
968 ("Cannot parse XSLT " + record_xslt_fname);
974 bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
976 int *error, char **addinfo,
978 std::string authentication,
982 if (b->sptr->contentConnector.length())
984 std::string proxyhostname;
985 std::string tmp_file;
986 bool legacy_format = false;
988 if (m_p->content_proxy_server.length())
990 proxyhostname = m_p->content_proxy_server;
991 legacy_format = true;
994 if (m_p->content_tmp_file.length())
995 tmp_file = m_p->content_tmp_file;
997 if (m_p->content_config_file.length())
999 FILE *inf = fopen(m_p->content_config_file.c_str(), "r");
1003 while (fgets(buf, sizeof(buf)-1, inf))
1006 cp = strchr(buf, '#');
1009 cp = strchr(buf, '\n');
1012 cp = strchr(buf, ':');
1016 while (cp1 != buf && cp1[-1] == ' ')
1022 if (!strcmp(buf, "proxyhostname"))
1024 if (!strcmp(buf, "sessiondir") && *cp)
1026 if (cp[strlen(cp)-1] == '/')
1027 cp[strlen(cp)-1] = '\0';
1028 tmp_file = std::string(cp) + std::string("/cf.XXXXXX.p");
1036 package.log("zoom", YLOG_WARN|YLOG_ERRNO,
1037 "unable to open content config %s",
1038 m_p->content_config_file.c_str());
1039 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1040 *addinfo = (char *) odr_malloc(odr, 70 + tmp_file.length());
1041 sprintf(*addinfo, "zoom: unable to open content config %s",
1042 m_p->content_config_file.c_str());
1047 if (proxyhostname.length() == 0)
1049 package.log("zoom", YLOG_WARN, "no proxyhostname");
1052 if (tmp_file.length() == 0)
1054 package.log("zoom", YLOG_WARN, "no tmp_file");
1058 char *fname = xstrdup(tmp_file.c_str());
1059 char *xx = strstr(fname, "XXXXXX");
1062 package.log("zoom", YLOG_WARN, "bad tmp_file %s", tmp_file.c_str());
1063 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1064 *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
1065 sprintf(*addinfo, "zoom: bad format of content tmp_file: %s",
1070 char tmp_char = xx[6];
1071 sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
1073 b->cproxy_host = std::string(xx) + "." + proxyhostname;
1075 b->cproxy_host = proxyhostname + "/" + xx;
1078 FILE *file = fopen(fname, "w");
1081 package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
1082 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1083 *addinfo = (char *) odr_malloc(odr, 50 + strlen(fname));
1084 sprintf(*addinfo, "zoom: could not create %s", fname);
1089 wrbuf_puts(w, "#content_proxy\n");
1090 wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
1091 if (authentication.length())
1092 wrbuf_printf(w, "auth: %s\n", authentication.c_str());
1094 wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
1096 wrbuf_printf(w, "realm: %s\n", realm.c_str());
1098 fwrite(w.buf(), 1, w.len(), file);
1100 package.log("zoom", YLOG_LOG, "content file: %s", fname);
1106 yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
1107 mp::Package &package,
1108 std::string &database, int *error, char **addinfo, mp::odr &odr,
1111 bool connection_reuse = false;
1114 std::list<BackendPtr>::const_iterator map_it;
1115 if (m_backend && !m_backend->enable_explain &&
1116 m_backend->m_frontend_database == database)
1118 connection_reuse = true;
1119 proxy = m_backend->m_proxy;
1122 std::string input_args;
1123 std::string torus_db;
1124 size_t db_arg_pos = database.find(',');
1125 if (db_arg_pos != std::string::npos)
1127 torus_db = database.substr(0, db_arg_pos);
1128 input_args = database.substr(db_arg_pos + 1);
1131 torus_db = database;
1133 std::string authentication;
1134 std::string content_authentication;
1135 std::string content_proxy;
1136 std::string realm = session_realm;
1137 if (realm.length() == 0)
1138 realm = m_p->default_realm;
1140 const char *param_user = 0;
1141 const char *param_password = 0;
1142 const char *param_content_user = 0;
1143 const char *param_content_password = 0;
1144 const char *param_nocproxy = 0;
1145 const char *param_retry = 0;
1150 int no_out_args = 0;
1151 if (input_args.length())
1152 no_parms = yaz_uri_to_array(input_args.c_str(),
1153 odr, &names, &values);
1154 // adding 10 because we'll be adding other URL args
1155 const char **out_names = (const char **)
1156 odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
1157 const char **out_values = (const char **)
1158 odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
1160 // may be changed if it's a content connection
1161 std::string torus_url = m_p->torus_searchable_url;
1163 for (i = 0; i < no_parms; i++)
1165 const char *name = names[i];
1166 const char *value = values[i];
1169 if (!strcmp(name, "user"))
1171 else if (!strcmp(name, "password"))
1172 param_password = value;
1173 else if (!strcmp(name, "content-user"))
1174 param_content_user = value;
1175 else if (!strcmp(name, "content-password"))
1176 param_content_password = value;
1177 else if (!strcmp(name, "content-proxy"))
1178 content_proxy = value;
1179 else if (!strcmp(name, "nocproxy"))
1180 param_nocproxy = value;
1181 else if (!strcmp(name, "retry"))
1182 param_retry = value;
1183 else if (!strcmp(name, "proxy"))
1187 nmem_strsplit(((ODR) odr)->mem, ",", value, &dstr, &dnum);
1188 if (connection_reuse)
1190 // find the step after our current proxy
1192 for (i = 0; i < dnum; i++)
1193 if (!strcmp(proxy.c_str(), dstr[i]))
1198 *proxy_step = i + 1;
1202 // step is known.. Guess our proxy from it
1203 if (*proxy_step >= dnum)
1207 proxy = dstr[*proxy_step];
1210 if (*proxy_step == dnum)
1215 else if (!strcmp(name, "cproxysession"))
1217 out_names[no_out_args] = name;
1218 out_values[no_out_args++] = value;
1219 torus_url = m_p->torus_content_url;
1221 else if (!strcmp(name, "realm") && session_realm.length() == 0)
1223 else if (!strcmp(name, "torus_url") && session_realm.length() == 0)
1225 else if (name[0] == 'x' && name[1] == '-')
1227 out_names[no_out_args] = name;
1228 out_values[no_out_args++] = value;
1232 BackendPtr notfound;
1233 char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
1234 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1235 sprintf(msg, "zoom: bad database argument: %s", name);
1241 package.log("zoom", YLOG_LOG, "proxy: %s", proxy.c_str());
1243 if (connection_reuse)
1245 m_backend->connect("", error, addinfo, odr);
1251 authentication = std::string(param_user);
1253 authentication += "/" + std::string(param_password);
1255 if (param_content_user)
1257 content_authentication = std::string(param_content_user);
1258 if (param_content_password)
1259 content_authentication += "/" + std::string(param_content_password);
1262 if (torus_db.compare("IR-Explain---1") == 0)
1263 return explain_search(package, database, error, addinfo, odr, torus_url,
1268 std::map<std::string,SearchablePtr>::iterator it;
1269 it = m_p->s_map.find(torus_db);
1270 if (it != m_p->s_map.end())
1272 else if (torus_url.length() > 0)
1274 std::string torus_addinfo;
1275 std::string torus_query = "udb==" + torus_db;
1276 xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
1282 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1283 if (torus_addinfo.length())
1284 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
1288 const xmlNode *ptr = xmlDocGetRootElement(doc);
1289 if (ptr && ptr->type == XML_ELEMENT_NODE)
1291 if (!strcmp((const char *) ptr->name, "record"))
1293 sptr = m_p->parse_torus_record(ptr);
1295 else if (!strcmp((const char *) ptr->name, "records"))
1297 for (ptr = ptr->children; ptr; ptr = ptr->next)
1299 if (ptr->type == XML_ELEMENT_NODE
1300 && !strcmp((const char *) ptr->name, "record"))
1304 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1306 odr_malloc(odr, 40 + torus_db.length());
1307 sprintf(*addinfo, "multiple records for udb=%s",
1313 sptr = m_p->parse_torus_record(ptr);
1319 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1320 *addinfo = (char*) odr_malloc(
1321 odr, 40 + strlen((const char *) ptr->name));
1322 sprintf(*addinfo, "bad root element for torus: %s", ptr->name);
1333 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1334 *addinfo = odr_strdup(odr, torus_db.c_str());
1339 xsltStylesheetPtr xsp = 0;
1340 if (sptr->transform_xsl_content.length())
1342 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
1343 sptr->transform_xsl_content.length());
1346 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1347 *addinfo = odr_strdup(odr, "zoom: xmlParseMemory failed "
1348 "for literalTransform XSL");
1352 xsp = xsltParseStylesheetDoc(xsp_doc);
1355 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1357 odr_strdup(odr,"zoom: xsltParseStylesheetDoc failed "
1358 "for literalTransform XSL");
1360 xmlFreeDoc(xsp_doc);
1364 else if (sptr->transform_xsl_fname.length())
1366 const char *path = 0;
1368 if (m_p->xsldir.length())
1369 path = m_p->xsldir.c_str();
1371 path = m_p->file_path.c_str();
1374 char fullpath[1024];
1375 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
1381 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1383 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
1384 sprintf(*addinfo, "zoom: could not open file %s",
1385 sptr->transform_xsl_fname.c_str());
1389 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
1392 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1393 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1394 sprintf(*addinfo, "zoom: xmlParseFile failed for file %s",
1399 xsp = xsltParseStylesheetDoc(xsp_doc);
1402 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1403 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1404 sprintf(*addinfo, "zoom: xsltParseStylesheetDoc failed "
1405 "for file %s", fname.c_str());
1407 xmlFreeDoc(xsp_doc);
1412 cql_transform_t cqlt = 0;
1413 if (sptr->rpn2cql_fname.length())
1415 char fullpath[1024];
1416 char *cp = yaz_filepath_resolve(sptr->rpn2cql_fname.c_str(),
1417 m_p->file_path.c_str(), 0, fullpath);
1419 cqlt = cql_transform_open_fname(fullpath);
1422 cqlt = cql_transform_create();
1426 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1427 *addinfo = odr_strdup(odr, "zoom: missing/invalid cql2rpn file");
1429 xsltFreeStylesheet(xsp);
1435 BackendPtr b(new Backend);
1440 b->m_frontend_database = database;
1441 b->enable_cproxy = param_nocproxy ? false : true;
1444 b->retry_on_failure = param_retry;
1446 b->retry_on_failure = b->sptr->retry_on_failure;
1448 if (sptr->query_encoding.length())
1449 b->set_option("rpnCharset", sptr->query_encoding);
1451 std::string extraArgs = sptr->extraArgs;
1453 b->set_option("timeout", m_p->zoom_timeout.c_str());
1456 b->set_option("apdulog", "1");
1458 if (sptr->piggyback && sptr->sru.length())
1459 b->set_option("count", "1"); /* some SRU servers INSIST on getting
1460 maximumRecords > 0 */
1461 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
1463 if (authentication.length() == 0)
1464 authentication = sptr->authentication;
1466 if (proxy.length() == 0)
1467 proxy = sptr->cfProxy;
1470 if (sptr->cfAuth.length())
1473 b->set_option("user", sptr->cfAuth);
1474 if (authentication.length())
1476 size_t found = authentication.find('/');
1477 if (found != std::string::npos)
1479 out_names[no_out_args] = "user";
1480 out_values[no_out_args++] =
1481 odr_strdup(odr, authentication.substr(0, found).c_str());
1483 out_names[no_out_args] = "password";
1484 out_values[no_out_args++] =
1485 odr_strdup(odr, authentication.substr(found+1).c_str());
1489 out_names[no_out_args] = "user";
1490 out_values[no_out_args++] =
1491 odr_strdup(odr, authentication.c_str());
1496 out_names[no_out_args] = "proxy";
1497 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
1499 if (sptr->cfSubDB.length())
1501 out_names[no_out_args] = "subdatabase";
1502 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
1504 if (!param_nocproxy && b->sptr->contentConnector.length())
1505 param_nocproxy = "1";
1509 out_names[no_out_args] = "nocproxy";
1510 out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
1515 const char *auth = authentication.c_str();
1516 const char *cp1 = strchr(auth, ' ');
1517 if (!cp1 && sptr->sru.length())
1518 cp1 = strchr(auth, '/');
1521 /* Z39.50 user/password style, or no password for SRU */
1522 b->set_option("user", auth);
1526 /* now consider group as well */
1527 const char *cp2 = strchr(cp1 + 1, ' ');
1529 b->set_option("user", auth, cp1 - auth);
1531 b->set_option("password", cp1 + 1);
1534 b->set_option("group", cp1 + 1, cp2 - cp1 - 1);
1535 b->set_option("password", cp2 + 1);
1538 if (sptr->authenticationMode.length())
1539 b->set_option("authenticationMode", sptr->authenticationMode);
1541 b->set_option("proxy", proxy);
1543 if (extraArgs.length())
1544 b->set_option("extraArgs", extraArgs);
1546 std::string url(sptr->target);
1547 if (sptr->sru.length())
1549 b->set_option("sru", sptr->sru);
1550 if (url.find("://") == std::string::npos)
1551 url = "http://" + url;
1552 if (sptr->sru_version.length())
1553 b->set_option("sru_version", sptr->sru_version);
1558 out_names[no_out_args] = 0; // terminate list
1560 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1561 (char **) out_values);
1562 url += "," + std::string(x_args);
1564 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1565 b->connect(url, error, addinfo, odr);
1566 if (*error == 0 && b->enable_cproxy)
1567 create_content_session(package, b, error, addinfo, odr,
1568 content_authentication.length() ?
1569 content_authentication : authentication,
1570 content_proxy.length() ? content_proxy : proxy,
1577 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1578 Odr_oid *preferredRecordSyntax,
1579 const char *element_set_name,
1580 bool &enable_pz2_retrieval,
1581 bool &enable_pz2_transform,
1582 bool &enable_record_transform,
1583 bool &assume_marc8_charset)
1585 char oid_name_str[OID_STR_MAX];
1586 const char *syntax_name = 0;
1588 if (preferredRecordSyntax &&
1589 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
1591 if (element_set_name &&
1592 !strcmp(element_set_name, m_p->element_transform.c_str()))
1594 enable_pz2_retrieval = true;
1595 enable_pz2_transform = true;
1597 else if (element_set_name &&
1598 !strcmp(element_set_name, m_p->element_raw.c_str()))
1600 enable_pz2_retrieval = true;
1602 else if (m_p->record_xsp)
1604 enable_pz2_retrieval = true;
1605 enable_pz2_transform = true;
1606 enable_record_transform = true;
1610 if (enable_pz2_retrieval)
1612 std::string configured_request_syntax = b->sptr->request_syntax;
1613 if (configured_request_syntax.length())
1615 syntax_name = configured_request_syntax.c_str();
1616 const Odr_oid *syntax_oid =
1617 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1618 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1619 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1620 assume_marc8_charset = true;
1623 else if (preferredRecordSyntax)
1625 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1627 if (b->sptr->sru.length())
1628 syntax_name = "XML";
1630 b->set_option("preferredRecordSyntax", syntax_name);
1632 if (enable_pz2_retrieval)
1634 if (element_set_name && !strcmp(element_set_name,
1635 m_p->element_passthru.c_str()))
1639 element_set_name = 0;
1640 if (b->sptr->element_set.length())
1641 element_set_name = b->sptr->element_set.c_str();
1645 b->set_option("elementSetName", element_set_name);
1646 if (b->sptr->sru.length() && element_set_name)
1647 b->set_option("schema", element_set_name);
1650 Z_Records *yf::Zoom::Frontend::get_explain_records(
1651 mp::Package &package,
1653 Odr_int number_to_present,
1656 Odr_int *number_of_records_returned,
1659 Odr_oid *preferredRecordSyntax,
1660 const char *element_set_name)
1663 Z_Records *records = 0;
1665 if (!b->explain_doc)
1669 if (number_to_present > 10000)
1670 number_to_present = 10000;
1672 xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
1674 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1675 odr_malloc(odr, sizeof(*npl));
1676 npl->records = (Z_NamePlusRecord **)
1677 odr_malloc(odr, number_to_present * sizeof(*npl->records));
1679 for (i = 0; i < number_to_present; i++)
1682 xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
1685 xmlBufferPtr xml_buf = xmlBufferCreate();
1686 xmlNode *tmp_node = xmlCopyNode(res->children, 1);
1687 xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
1689 Z_NamePlusRecord *npr =
1690 (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1691 npr->databaseName = odr_strdup(odr, b->m_frontend_database.c_str());
1692 npr->which = Z_NamePlusRecord_databaseRecord;
1693 npr->u.databaseRecord =
1694 z_ext_record_xml(odr,
1695 (const char *) xml_buf->content, xml_buf->use);
1696 npl->records[i] = npr;
1697 xmlFreeNode(tmp_node);
1698 xmlBufferFree(xml_buf);
1700 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1701 records->which = Z_Records_DBOSD;
1702 records->u.databaseOrSurDiagnostics = npl;
1704 npl->num_records = i;
1705 *number_of_records_returned = i;
1710 Z_Records *yf::Zoom::Frontend::get_records(mp::Package &package,
1712 Odr_int number_to_present,
1715 Odr_int *number_of_records_returned,
1718 Odr_oid *preferredRecordSyntax,
1719 const char *element_set_name)
1721 *number_of_records_returned = 0;
1722 Z_Records *records = 0;
1723 bool enable_pz2_retrieval = false; // whether target profile is used
1724 bool enable_pz2_transform = false; // whether XSLT is used as well
1725 bool assume_marc8_charset = false;
1726 bool enable_record_transform = false;
1728 prepare_elements(b, preferredRecordSyntax,
1730 enable_pz2_retrieval,
1731 enable_pz2_transform,
1732 enable_record_transform,
1733 assume_marc8_charset);
1735 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1736 enable_pz2_retrieval ? "yes" : "no",
1737 enable_pz2_transform ? "yes" : "no");
1739 if (start < 0 || number_to_present <=0)
1742 if (number_to_present > 10000)
1743 number_to_present = 10000;
1745 ZOOM_record *recs = (ZOOM_record *)
1746 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1748 b->present(start, number_to_present, recs, error, addinfo, odr);
1753 for (i = 0; i < number_to_present; i++)
1758 const char *addinfo;
1759 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1760 &addinfo, 0 /* diagset */);
1762 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS && addinfo &&
1764 "ZOOM C generated. Present phase and no records"))
1769 { // only return records if no error and at least one record
1771 const char *xsl_parms[3];
1772 mp::wrbuf cproxy_host;
1774 if (b->enable_cproxy && b->cproxy_host.length())
1776 wrbuf_puts(cproxy_host, "\"");
1777 wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
1778 wrbuf_puts(cproxy_host, "/\"");
1780 xsl_parms[0] = "cproxyhost";
1781 xsl_parms[1] = wrbuf_cstr(cproxy_host);
1789 char *odr_database = odr_strdup(odr,
1790 b->m_frontend_database.c_str());
1791 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1792 odr_malloc(odr, sizeof(*npl));
1793 *number_of_records_returned = i;
1794 npl->num_records = i;
1795 npl->records = (Z_NamePlusRecord **)
1796 odr_malloc(odr, i * sizeof(*npl->records));
1797 for (i = 0; i < npl->num_records; i++)
1799 Z_NamePlusRecord *npr = 0;
1800 const char *addinfo;
1802 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1803 &addinfo, 0 /* diagset */);
1807 log_diagnostic(package, sur_error, addinfo);
1808 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1811 else if (enable_pz2_retrieval)
1813 char rec_type_str[100];
1814 const char *record_encoding = 0;
1816 if (b->sptr->record_encoding.length())
1817 record_encoding = b->sptr->record_encoding.c_str();
1818 else if (assume_marc8_charset)
1819 record_encoding = "marc8";
1821 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1822 if (record_encoding)
1824 strcat(rec_type_str, "; charset=");
1825 strcat(rec_type_str, record_encoding);
1828 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1831 xmlChar *xmlrec_buf = 0;
1832 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1834 if (!rec_buf && !npr)
1836 std::string addinfo("ZOOM_record_get failed for type ");
1838 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1839 addinfo += rec_type_str;
1840 log_diagnostic(package, error, addinfo.c_str());
1841 npr = zget_surrogateDiagRec(odr, odr_database,
1842 error, addinfo.c_str());
1846 package.log_write(rec_buf, rec_len);
1847 package.log_write("\r\n", 2);
1850 if (rec_buf && b->xsp && enable_pz2_transform)
1852 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1855 const char *addinfo = "xml parse failed for record";
1856 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1857 log_diagnostic(package, error, addinfo);
1858 npr = zget_surrogateDiagRec(
1859 odr, odr_database, error, addinfo);
1863 // first stage XSLT - per target
1864 xsltStylesheetPtr xsp = b->xsp;
1865 xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
1867 // insert generated-url
1871 mp::xml::url_recipe_handle(rec_res,
1872 b->sptr->urlRecipe);
1875 xmlNode *ptr = xmlDocGetRootElement(rec_res);
1876 while (ptr && ptr->type != XML_ELEMENT_NODE)
1879 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1880 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1882 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1886 // second stage XSLT - common
1887 if (rec_res && m_p->record_xsp &&
1888 enable_record_transform)
1890 xmlDoc *tmp_doc = rec_res;
1892 xsp = m_p->record_xsp;
1893 rec_res = xsltApplyStylesheet(xsp, tmp_doc,
1895 xmlFreeDoc(tmp_doc);
1897 // get result out of it
1900 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1902 rec_buf = (const char *) xmlrec_buf;
1903 package.log_write(rec_buf, rec_len);
1905 xmlFreeDoc(rec_res);
1909 std::string addinfo;
1911 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1913 addinfo = "xslt apply failed for "
1914 + b->sptr->transform_xsl_fname;
1915 log_diagnostic(package, error, addinfo.c_str());
1916 npr = zget_surrogateDiagRec(
1917 odr, odr_database, error, addinfo.c_str());
1919 xmlFreeDoc(rec_doc);
1926 npr = zget_surrogateDiagRec(
1928 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1932 npr = (Z_NamePlusRecord *)
1933 odr_malloc(odr, sizeof(*npr));
1934 npr->databaseName = odr_database;
1935 npr->which = Z_NamePlusRecord_databaseRecord;
1936 npr->u.databaseRecord =
1937 z_ext_record_xml(odr, rec_buf, rec_len);
1941 xmlFree(xmlrec_buf);
1946 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1949 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1950 npr->databaseName = odr_database;
1951 npr->which = Z_NamePlusRecord_databaseRecord;
1952 npr->u.databaseRecord = ext;
1956 npr = zget_surrogateDiagRec(
1958 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1959 "ZOOM_record, type ext");
1962 npl->records[i] = npr;
1964 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1965 records->which = Z_Records_DBOSD;
1966 records->u.databaseOrSurDiagnostics = npl;
1971 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1974 struct cql_node *r = 0;
1982 std::map<std::string,std::string>::const_iterator it;
1983 it = fieldmap.find(cn->u.st.index);
1984 if (it == fieldmap.end())
1986 if (it->second.length())
1987 cn->u.st.index = odr_strdup(odr, it->second.c_str());
1993 r = convert_cql_fields(cn->u.boolean.left, odr);
1995 r = convert_cql_fields(cn->u.boolean.right, odr);
1998 r = convert_cql_fields(cn->u.sort.search, odr);
2004 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
2005 int error, const char *addinfo)
2007 const char *err_msg = yaz_diag_bib1_str(error);
2009 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
2010 error, err_msg, addinfo);
2012 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
2016 yf::Zoom::BackendPtr yf::Zoom::Frontend::explain_search(mp::Package &package,
2017 std::string &database,
2021 std::string torus_url,
2022 std::string &torus_db,
2027 BackendPtr b(new Backend);
2029 b->m_frontend_database = database;
2030 b->enable_explain = true;
2032 Z_GDU *gdu = package.request().get();
2033 Z_APDU *apdu_req = gdu->u.z3950;
2034 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2035 Z_Query *query = sr->query;
2037 if (!m_p->explain_xsp)
2039 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2041 odr_strdup(odr, "IR-Explain---1 unsupported. "
2042 "Torus explain_xsl not defined");
2045 else if (query->which == Z_Query_type_104 &&
2046 query->u.type_104->which == Z_External_CQL)
2048 std::string torus_addinfo;
2049 std::string torus_query(query->u.type_104->u.cql);
2050 xmlDoc *doc = mp::get_searchable(package, torus_url, "",
2054 if (m_p->explain_xsp)
2056 xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
2063 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2064 if (torus_addinfo.length())
2065 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2069 xmlNode *ptr = xmlDocGetRootElement(doc);
2072 xml_node_search(ptr, &hits, 0);
2074 Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
2075 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2076 package.response() = apdu_res;
2080 xmlFreeDoc(b->explain_doc);
2081 b->explain_doc = doc;
2086 *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2087 *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
2092 static bool wait_conn(COMSTACK cs, int secs)
2094 struct yaz_poll_fd pfd;
2096 yaz_poll_add(pfd.input_mask, yaz_poll_except);
2097 if (cs->io_pending && CS_WANT_WRITE)
2098 yaz_poll_add(pfd.input_mask, yaz_poll_write);
2099 if (cs->io_pending & CS_WANT_READ)
2100 yaz_poll_add(pfd.input_mask, yaz_poll_read);
2102 pfd.fd = cs_fileno(cs);
2103 pfd.client_data = 0;
2105 int ret = yaz_poll(&pfd, 1, secs, 0);
2109 bool yf::Zoom::Impl::check_proxy(const char *proxy)
2112 const char *uri = "http://localhost/";
2115 bool outcome = false;
2116 conn = cs_create_host_proxy(uri, 0, &add, proxy);
2121 Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
2122 gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
2124 if (z_GDU(odr, &gdu, 0, 0))
2127 char *buf = odr_getbuf(odr, &len, 0);
2129 int ret = cs_connect(conn, add);
2130 if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
2134 ret = cs_put(conn, buf, len);
2137 if (!wait_conn(conn, proxy_timeout))
2148 bool yf::Zoom::Frontend::retry(mp::Package &package,
2151 int &error, char **addinfo,
2152 int &proxy_step, int &same_retries,
2155 if (b && b->m_proxy.length() && !m_p->check_proxy(b->m_proxy.c_str()))
2157 log_diagnostic(package, error, *addinfo);
2158 package.log("zoom", YLOG_LOG, "proxy %s fails", b->m_proxy.c_str());
2160 if (proxy_step) // there is a failover
2163 package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
2166 error = YAZ_BIB1_PROXY_FAILURE;
2167 *addinfo = odr_strdup(odr, b->m_proxy.c_str());
2169 else if (b && b->retry_on_failure.compare("0")
2170 && same_retries == 0 && proxy_retries == 0)
2172 log_diagnostic(package, error, *addinfo);
2174 package.log("zoom", YLOG_WARN, "search failed: retry");
2182 void yf::Zoom::Frontend::handle_search(mp::Package &package)
2184 Z_GDU *gdu = package.request().get();
2185 Z_APDU *apdu_req = gdu->u.z3950;
2186 Z_APDU *apdu_res = 0;
2188 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2189 if (sr->num_databaseNames != 1)
2191 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
2192 log_diagnostic(package, error, 0);
2193 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
2194 package.response() = apdu_res;
2198 int same_retries = 0;
2199 int proxy_retries = 0;
2205 std::string db(sr->databaseNames[0]);
2207 BackendPtr b = get_backend_from_databases(package, db, &error,
2208 &addinfo, odr, &proxy_step);
2211 if (retry(package, odr, b, error, &addinfo, proxy_step,
2212 same_retries, proxy_retries))
2217 log_diagnostic(package, error, addinfo);
2218 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2219 package.response() = apdu_res;
2222 if (!b || b->enable_explain)
2225 b->set_option("setname", "default");
2227 bool enable_pz2_retrieval = false;
2228 bool enable_pz2_transform = false;
2229 bool enable_record_transform = false;
2230 bool assume_marc8_charset = false;
2231 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
2232 enable_pz2_retrieval,
2233 enable_pz2_transform,
2234 enable_record_transform,
2235 assume_marc8_charset);
2238 Z_Query *query = sr->query;
2239 mp::wrbuf ccl_wrbuf;
2240 mp::wrbuf pqf_wrbuf;
2241 std::string sortkeys;
2243 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
2246 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
2248 else if (query->which == Z_Query_type_2)
2251 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
2252 query->u.type_2->len);
2254 else if (query->which == Z_Query_type_104 &&
2255 query->u.type_104->which == Z_External_CQL)
2258 const char *cql = query->u.type_104->u.cql;
2259 CQL_parser cp = cql_parser_create();
2260 int r = cql_parser_string(cp, cql);
2261 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
2264 cql_parser_destroy(cp);
2265 error = YAZ_BIB1_MALFORMED_QUERY;
2266 const char *addinfo = "CQL syntax error";
2267 log_diagnostic(package, error, addinfo);
2269 odr.create_searchResponse(apdu_req, error, addinfo);
2270 package.response() = apdu_res;
2273 struct cql_node *cn = cql_parser_result(cp);
2274 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
2277 // hopefully we are getting a ptr to a index+relation+term node
2278 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
2280 if (cn_error->which == CQL_NODE_ST)
2281 addinfo = cn_error->u.st.index;
2283 log_diagnostic(package, error, addinfo);
2284 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2285 package.response() = apdu_res;
2286 cql_parser_destroy(cp);
2289 r = cql_to_ccl(cn, wrbuf_vp_puts, ccl_wrbuf);
2292 error = YAZ_BIB1_MALFORMED_QUERY;
2293 const char *addinfo = "CQL to CCL conversion error";
2295 log_diagnostic(package, error, addinfo);
2296 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2297 package.response() = apdu_res;
2298 cql_parser_destroy(cp);
2302 mp::wrbuf sru_sortkeys_wrbuf;
2303 if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
2305 error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
2306 const char *addinfo = "CQL to CCL sortby conversion";
2308 log_diagnostic(package, error, addinfo);
2309 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2310 package.response() = apdu_res;
2311 cql_parser_destroy(cp);
2314 mp::wrbuf sort_spec_wrbuf;
2315 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
2317 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
2318 yaz_tok_parse_t tp =
2319 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
2320 yaz_tok_cfg_destroy(tc);
2322 /* go through sortspec and map fields */
2323 int token = yaz_tok_move(tp);
2324 while (token != YAZ_TOK_EOF)
2326 if (token == YAZ_TOK_STRING)
2328 const char *field = yaz_tok_parse_string(tp);
2329 std::map<std::string,std::string>::iterator it;
2330 it = b->sptr->sortmap.find(field);
2331 if (it != b->sptr->sortmap.end())
2332 sortkeys += it->second;
2337 token = yaz_tok_move(tp);
2338 if (token == YAZ_TOK_STRING)
2340 sortkeys += yaz_tok_parse_string(tp);
2342 if (token != YAZ_TOK_EOF)
2345 token = yaz_tok_move(tp);
2348 yaz_tok_parse_destroy(tp);
2349 cql_parser_destroy(cp);
2353 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2354 const char *addinfo = 0;
2355 log_diagnostic(package, error, addinfo);
2356 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2357 package.response() = apdu_res;
2361 if (ccl_wrbuf.len())
2364 assert(pqf_wrbuf.len() == 0);
2366 struct ccl_rpn_node *cn;
2367 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
2368 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
2372 char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
2373 error = YAZ_BIB1_MALFORMED_QUERY;
2377 case CCL_ERR_UNKNOWN_QUAL:
2378 case CCL_ERR_TRUNC_NOT_LEFT:
2379 case CCL_ERR_TRUNC_NOT_RIGHT:
2380 case CCL_ERR_TRUNC_NOT_BOTH:
2381 #ifdef CCL_ERR_TRUNC_NOT_EMBED
2382 case CCL_ERR_TRUNC_NOT_EMBED:
2384 #ifdef CCL_ERR_TRUNC_NOT_SINGLE
2385 case CCL_ERR_TRUNC_NOT_SINGLE:
2387 error = YAZ_BIB1_UNSUPP_SEARCH;
2390 log_diagnostic(package, error, addinfo);
2391 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2392 package.response() = apdu_res;
2395 ccl_pquery(pqf_wrbuf, cn);
2396 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
2400 assert(pqf_wrbuf.len());
2402 ZOOM_query q = ZOOM_query_create();
2403 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
2405 Z_FacetList *fl = 0;
2407 // Facets for request.. And later for reponse
2409 fl = yaz_oi_get_facetlist(&sr->otherInfo);
2411 fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
2413 if (b->get_option("sru"))
2416 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
2418 mp::wrbuf wrb_addinfo;
2420 if (!strcmp(b->get_option("sru"), "solr"))
2421 error = solr_transform_rpn2solr_stream_r(b->cqlt, wrb_addinfo,
2422 wrbuf_vp_puts, wrb_cql,
2425 error = cql_transform_rpn2cql_stream_r(b->cqlt, wrb_addinfo,
2426 wrbuf_vp_puts, wrb_cql,
2430 log_diagnostic(package, error, wrb_addinfo.c_str_null());
2431 apdu_res = odr.create_searchResponse(apdu_req, error,
2432 wrb_addinfo.c_str_null());
2433 package.response() = apdu_res;
2436 ZOOM_query_cql(q, wrb_cql.c_str());
2437 package.log("zoom", YLOG_LOG, "search CQL: %s", wrb_cql.c_str());
2438 b->search(q, &hits, &error, &addinfo, &fl, odr);
2439 ZOOM_query_destroy(q);
2443 ZOOM_query_prefix(q, pqf_wrbuf.c_str());
2444 package.log("zoom", YLOG_LOG, "search PQF: %s", pqf_wrbuf.c_str());
2445 b->search(q, &hits, &error, &addinfo, &fl, odr);
2446 ZOOM_query_destroy(q);
2451 if (retry(package, odr, b, error, &addinfo, proxy_step,
2452 same_retries, proxy_retries))
2456 const char *element_set_name = 0;
2457 Odr_int number_to_present = 0;
2459 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
2461 Odr_int number_of_records_returned = 0;
2462 Z_Records *records = get_records(
2464 0, number_to_present, &error, &addinfo,
2465 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
2468 log_diagnostic(package, error, addinfo);
2469 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2472 apdu_res->u.searchResponse->records = records;
2473 apdu_res->u.searchResponse->numberOfRecordsReturned =
2474 odr_intdup(odr, number_of_records_returned);
2476 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2478 yaz_oi_set_facetlist(&apdu_res->u.searchResponse->additionalSearchInfo,
2480 package.response() = apdu_res;
2483 void yf::Zoom::Frontend::handle_present(mp::Package &package)
2485 Z_GDU *gdu = package.request().get();
2486 Z_APDU *apdu_req = gdu->u.z3950;
2487 Z_APDU *apdu_res = 0;
2488 Z_PresentRequest *pr = apdu_req->u.presentRequest;
2493 package.response() = odr.create_presentResponse(
2494 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
2497 const char *element_set_name = 0;
2498 Z_RecordComposition *comp = pr->recordComposition;
2499 if (comp && comp->which != Z_RecordComp_simple)
2501 package.response() = odr.create_presentResponse(
2503 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
2506 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
2507 element_set_name = comp->u.simple->u.generic;
2508 Odr_int number_of_records_returned = 0;
2512 if (m_backend->enable_explain)
2514 Z_Records *records =
2515 get_explain_records(
2517 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2518 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2519 pr->preferredRecordSyntax, element_set_name);
2521 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2524 apdu_res->u.presentResponse->records = records;
2525 apdu_res->u.presentResponse->numberOfRecordsReturned =
2526 odr_intdup(odr, number_of_records_returned);
2528 package.response() = apdu_res;
2532 Z_Records *records =
2533 get_records(package,
2534 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2535 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2536 pr->preferredRecordSyntax, element_set_name);
2538 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2541 apdu_res->u.presentResponse->records = records;
2542 apdu_res->u.presentResponse->numberOfRecordsReturned =
2543 odr_intdup(odr, number_of_records_returned);
2545 package.response() = apdu_res;
2549 void yf::Zoom::Frontend::handle_package(mp::Package &package)
2551 Z_GDU *gdu = package.request().get();
2554 else if (gdu->which == Z_GDU_Z3950)
2556 Z_APDU *apdu_req = gdu->u.z3950;
2559 wrbuf_rewind(m_backend->m_apdu_wrbuf);
2560 if (apdu_req->which == Z_APDU_initRequest)
2563 package.response() = odr.create_close(
2565 Z_Close_protocolError,
2568 else if (apdu_req->which == Z_APDU_searchRequest)
2570 handle_search(package);
2572 else if (apdu_req->which == Z_APDU_presentRequest)
2574 handle_present(package);
2579 package.response() = odr.create_close(
2581 Z_Close_protocolError,
2582 "zoom filter cannot handle this APDU");
2583 package.session().close();
2587 WRBUF w = m_backend->m_apdu_wrbuf;
2588 package.log_write(wrbuf_buf(w), wrbuf_len(w));
2593 package.session().close();
2597 std::string escape_cql_term(std::string inp)
2600 size_t l = inp.length();
2602 for (i = 0; i < l; i++)
2604 if (strchr("*?^\"", inp[i]))
2611 void yf::Zoom::Frontend::auth(mp::Package &package, Z_InitRequest *req,
2612 int *error, char **addinfo, ODR odr)
2614 if (m_p->torus_auth_url.length() == 0)
2618 std::string password;
2619 if (req->idAuthentication)
2621 Z_IdAuthentication *auth = req->idAuthentication;
2622 switch (auth->which)
2624 case Z_IdAuthentication_open:
2627 const char *cp = strchr(auth->u.open, '/');
2630 user.assign(auth->u.open, cp - auth->u.open);
2631 password.assign(cp + 1);
2635 case Z_IdAuthentication_idPass:
2636 if (auth->u.idPass->userId)
2637 user.assign(auth->u.idPass->userId);
2638 if (auth->u.idPass->password)
2639 password.assign(auth->u.idPass->password);
2644 Z_OtherInformation **oi = &req->otherInfo;
2646 yaz_oi_get_string_oid(oi, yaz_oid_userinfo_client_ip, 1, 0);
2648 ip = package.origin().get_address().c_str();
2650 yaz_log(YLOG_LOG, "IP=%s", ip);
2652 std::string torus_query;
2655 if (user.length() && password.length())
2657 torus_query = "userName==\"" + escape_cql_term(user) +
2658 "\" and password==\"" + escape_cql_term(password) + "\"";
2659 failure_code = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
2663 torus_query = "ipRanges encloses/net.ipaddress \"";
2664 torus_query += escape_cql_term(std::string(ip));
2665 torus_query += "\"";
2667 if (m_p->torus_auth_hostname.length())
2669 torus_query += " AND hostName == \"";
2670 torus_query += escape_cql_term(m_p->torus_auth_hostname);
2671 torus_query += "\"";
2673 failure_code = YAZ_BIB1_INIT_AC_BLOCKED_NETWORK_ADDRESS;
2676 std::string dummy_db;
2677 std::string dummy_realm;
2678 std::string torus_addinfo;
2679 xmlDoc *doc = mp::get_searchable(package, m_p->torus_auth_url, dummy_db,
2680 torus_query, dummy_realm, m_p->proxy,
2684 // something fundamental broken in lookup.
2685 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
2686 if (torus_addinfo.length())
2687 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2690 const xmlNode *ptr = xmlDocGetRootElement(doc);
2691 if (ptr && ptr->type == XML_ELEMENT_NODE)
2693 if (strcmp((const char *) ptr->name, "records") == 0)
2695 ptr = ptr->children;
2696 while (ptr && ptr->type != XML_ELEMENT_NODE)
2699 if (ptr && strcmp((const char *) ptr->name, "record") == 0)
2701 ptr = ptr->children;
2702 while (ptr && ptr->type != XML_ELEMENT_NODE)
2705 if (ptr && strcmp((const char *) ptr->name, "layer") == 0)
2707 ptr = ptr->children;
2708 while (ptr && ptr->type != XML_ELEMENT_NODE)
2713 if (ptr && ptr->type == XML_ELEMENT_NODE &&
2714 !strcmp((const char *) ptr->name, "identityId"))
2721 *error = failure_code;
2724 session_realm = mp::xml::get_text(ptr);
2727 void yf::Zoom::Impl::process(mp::Package &package)
2729 FrontendPtr f = get_frontend(package);
2730 Z_GDU *gdu = package.request().get();
2732 if (f->m_is_virtual)
2734 f->handle_package(package);
2736 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
2739 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
2740 f->m_init_gdu = gdu;
2743 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
2744 Z_InitResponse *resp = apdu->u.initResponse;
2747 static const int masks[] = {
2752 for (i = 0; masks[i] != -1; i++)
2753 if (ODR_MASK_GET(req->options, masks[i]))
2754 ODR_MASK_SET(resp->options, masks[i]);
2756 static const int versions[] = {
2757 Z_ProtocolVersion_1,
2758 Z_ProtocolVersion_2,
2759 Z_ProtocolVersion_3,
2762 for (i = 0; versions[i] != -1; i++)
2763 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
2764 ODR_MASK_SET(resp->protocolVersion, versions[i]);
2768 *resp->preferredMessageSize = *req->preferredMessageSize;
2769 *resp->maximumRecordSize = *req->maximumRecordSize;
2773 f->auth(package, req, &error, &addinfo, odr);
2776 resp->userInformationField =
2777 zget_init_diagnostics(odr, error, addinfo);
2779 package.session().close();
2782 f->m_is_virtual = true;
2783 package.response() = apdu;
2788 release_frontend(package);
2792 static mp::filter::Base* filter_creator()
2794 return new mp::filter::Zoom;
2798 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
2809 * c-file-style: "Stroustrup"
2810 * indent-tabs-mode: nil
2812 * vim: shiftwidth=4 tabstop=8 expandtab