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>
55 #include <yaz/match_glob.h>
57 namespace mp = metaproxy_1;
58 namespace yf = mp::filter;
60 namespace metaproxy_1 {
62 class Zoom::Searchable : boost::noncopyable {
64 std::string authentication;
65 std::string authenticationMode;
66 std::string contentAuthentication;
72 std::string query_encoding;
74 std::string sru_version;
75 std::string request_syntax;
76 std::string element_set;
77 std::string record_encoding;
78 std::string transform_xsl_fname;
79 std::string transform_xsl_content;
80 std::string urlRecipe;
81 std::string contentConnector;
82 std::string sortStrategy;
83 std::string extraArgs;
84 std::string rpn2cql_fname;
85 std::string retry_on_failure;
88 CCL_bibset ccl_bibset;
89 std::map<std::string, std::string> sortmap;
90 Searchable(CCL_bibset base);
93 class Zoom::Backend : boost::noncopyable {
95 friend class Frontend;
96 mp::wrbuf m_apdu_wrbuf;
97 ZOOM_connection m_connection;
98 ZOOM_resultset m_resultset;
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 std::string m_frontend_database;
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 void 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 void 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 torus_allow_ip;
225 std::string default_realm;
226 std::string torus_auth_hostname;
227 std::map<std::string,std::string> fieldmap;
229 std::string file_path;
230 std::string content_proxy_server;
231 std::string content_tmp_file;
232 std::string content_config_file;
235 std::string element_transform;
236 std::string element_raw;
237 std::string element_passthru;
239 xsltStylesheetPtr explain_xsp;
240 xsltStylesheetPtr record_xsp;
241 std::map<std::string,SearchablePtr> s_map;
242 std::string zoom_timeout;
249 static xmlNode *xml_node_search(xmlNode *ptr, int *num, int m)
253 if (ptr->type == XML_ELEMENT_NODE &&
254 !strcmp((const char *) ptr->name, "recordData"))
260 else // else: we don't want to find nested nodes
262 xmlNode *ret_node = xml_node_search(ptr->children, num, m);
271 // define Pimpl wrapper forwarding to Impl
273 yf::Zoom::Zoom() : m_p(new Impl)
278 { // must have a destructor because of boost::scoped_ptr
281 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
284 m_p->configure(xmlnode, test_only, path);
287 void yf::Zoom::process(mp::Package &package) const
289 m_p->process(package);
293 // define Implementation stuff
295 yf::Zoom::Backend::Backend()
297 m_connection = ZOOM_connection_create(0);
298 ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
301 enable_cproxy = true;
302 enable_explain = false;
307 yf::Zoom::Backend::~Backend()
310 xsltFreeStylesheet(xsp);
312 xmlFreeDoc(explain_doc);
313 cql_transform_close(cqlt);
314 ZOOM_connection_destroy(m_connection);
315 ZOOM_resultset_destroy(m_resultset);
319 void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
323 const char *zoom_addinfo = 0;
324 const char *dset = 0;
325 int error0 = ZOOM_connection_error_x(m_connection, &msg,
326 &zoom_addinfo, &dset);
332 if (!strcmp(dset, "info:srw/diagnostic/1"))
333 *error = yaz_diag_srw_to_bib1(error0);
334 else if (!strcmp(dset, "Bib-1"))
336 else if (!strcmp(dset, "ZOOM"))
338 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
339 if (error0 == ZOOM_ERROR_INIT)
340 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
341 else if (error0 == ZOOM_ERROR_DECODE)
345 if (strstr(zoom_addinfo, "Authentication") ||
346 strstr(zoom_addinfo, "authentication"))
347 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
352 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
354 *addinfo = (char *) odr_malloc(
355 odr, 30 + strlen(dset) + strlen(msg) +
356 (zoom_addinfo ? strlen(zoom_addinfo) : 0));
358 if (zoom_addinfo && *zoom_addinfo)
360 strcpy(*addinfo, zoom_addinfo);
361 strcat(*addinfo, " ");
363 sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
367 void yf::Zoom::Backend::connect(std::string zurl,
368 int *error, char **addinfo,
371 size_t h = zurl.find_first_of('#');
372 if (h != std::string::npos)
374 ZOOM_connection_connect(m_connection, zurl.length() ? zurl.c_str() : 0, 0);
375 get_zoom_error(error, addinfo, odr);
379 void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
380 int *error, char **addinfo, Z_FacetList **flp,
383 ZOOM_resultset_destroy(m_resultset);
387 WRBUF w = wrbuf_alloc();
388 yaz_facet_list_to_wrbuf(w, *flp);
389 set_option("facets", wrbuf_cstr(w));
392 m_resultset = ZOOM_connection_search(m_connection, q);
393 get_zoom_error(error, addinfo, odr);
395 *hits = ZOOM_resultset_size(m_resultset);
399 size_t num_facets = ZOOM_resultset_facets_size(m_resultset);
403 Z_FacetList *fl = (Z_FacetList *) odr_malloc(odr, sizeof(*fl));
404 fl->elements = (Z_FacetField **)
405 odr_malloc(odr, num_facets * sizeof(*fl->elements));
406 for (i = 0; i < num_facets; i++)
408 ZOOM_facet_field ff =
409 ZOOM_resultset_get_facet_field_by_index(m_resultset, i);
412 Z_AttributeList *al = (Z_AttributeList *)
413 odr_malloc(odr, sizeof(*al));
414 al->num_attributes = 1;
415 al->attributes = (Z_AttributeElement **)
416 odr_malloc(odr, sizeof(*al->attributes));
417 Z_AttributeElement *ae = al->attributes[0] = (Z_AttributeElement *)
418 odr_malloc(odr, sizeof(**al->attributes));
419 ae->attributeSet = 0;
420 ae->attributeType = odr_intdup(odr, 1);
421 ae->which = Z_AttributeValue_complex;
422 ae->value.complex = (Z_ComplexAttribute *)
423 odr_malloc(odr, sizeof(*ae->value.complex));
424 ae->value.complex->num_list = 1;
425 ae->value.complex->list = (Z_StringOrNumeric **)
426 odr_malloc(odr, sizeof(**ae->value.complex->list));
427 ae->value.complex->list[0] = (Z_StringOrNumeric *)
428 odr_malloc(odr, sizeof(**ae->value.complex->list));
429 ae->value.complex->list[0]->which = Z_StringOrNumeric_string;
430 ae->value.complex->list[0]->u.string =
431 odr_strdup(odr, ZOOM_facet_field_name(ff));
432 ae->value.complex->num_semanticAction = 0;
433 ae->value.complex->semanticAction = 0;
435 int num_terms = ZOOM_facet_field_term_count(ff);
436 fl->elements[i] = (Z_FacetField *)
437 odr_malloc(odr, sizeof(Z_FacetField));
438 fl->elements[i]->attributes = al;
439 fl->elements[i]->num_terms = num_terms;
440 fl->elements[i]->terms = (Z_FacetTerm **)
441 odr_malloc(odr, num_terms * sizeof(Z_FacetTerm *));
443 for (j = 0; j < num_terms; j++)
446 const char *a_term = ZOOM_facet_field_get_term(ff, j, &freq);
447 Z_FacetTerm *ft = (Z_FacetTerm *) odr_malloc(odr, sizeof(*ft));
448 ft->term = z_Term_create(odr, Z_Term_general, a_term,
450 ft->count = odr_intdup(odr, freq);
452 fl->elements[i]->terms[j] = ft;
460 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
462 int *error, char **addinfo, ODR odr)
464 ZOOM_resultset_records(m_resultset, recs, start, number);
465 get_zoom_error(error, addinfo, odr);
469 void yf::Zoom::Backend::set_option(const char *name, const char *value, size_t l)
471 ZOOM_connection_option_setl(m_connection, name, value, l);
474 void yf::Zoom::Backend::set_option(const char *name, const char *value)
476 ZOOM_connection_option_set(m_connection, name, value);
478 ZOOM_resultset_option_set(m_resultset, name, value);
481 void yf::Zoom::Backend::set_option(const char *name, std::string value)
483 set_option(name, value.c_str());
486 const char *yf::Zoom::Backend::get_option(const char *name)
488 return ZOOM_connection_option_get(m_connection, name);
491 yf::Zoom::Searchable::Searchable(CCL_bibset base)
494 use_turbomarc = true;
495 sortStrategy = "embed";
496 retry_on_failure = "1"; // existing default (should have been false)
497 ccl_bibset = ccl_qual_dup(base);
500 yf::Zoom::Searchable::~Searchable()
502 ccl_qual_rm(&ccl_bibset);
505 yf::Zoom::Frontend::Frontend(Impl *impl) :
506 m_p(impl), m_is_virtual(false), m_in_use(true)
510 yf::Zoom::Frontend::~Frontend()
514 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
516 boost::mutex::scoped_lock lock(m_mutex);
518 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
522 it = m_clients.find(package.session());
523 if (it == m_clients.end())
526 if (!it->second->m_in_use)
528 it->second->m_in_use = true;
531 m_cond_session_ready.wait(lock);
533 FrontendPtr f(new Frontend(this));
534 m_clients[package.session()] = f;
539 void yf::Zoom::Impl::release_frontend(mp::Package &package)
541 boost::mutex::scoped_lock lock(m_mutex);
542 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
544 it = m_clients.find(package.session());
545 if (it != m_clients.end())
547 if (package.session().is_closed())
553 it->second->m_in_use = false;
555 m_cond_session_ready.notify_all();
559 yf::Zoom::Impl::Impl() :
560 apdu_log(false), element_transform("pz2") , element_raw("raw") ,
561 element_passthru("F"),
562 zoom_timeout("40"), proxy_timeout(1)
564 bibset = ccl_qual_mk();
568 srand((unsigned int) time(0));
571 yf::Zoom::Impl::~Impl()
574 xsltFreeStylesheet(explain_xsp);
575 ccl_qual_rm(&bibset);
578 yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
580 Zoom::SearchablePtr s(new Searchable(bibset));
582 for (ptr = ptr->children; ptr; ptr = ptr->next)
584 if (ptr->type != XML_ELEMENT_NODE)
586 if (!strcmp((const char *) ptr->name, "layer"))
588 else if (!strcmp((const char *) ptr->name,
591 s->authentication = mp::xml::get_text(ptr);
593 else if (!strcmp((const char *) ptr->name,
594 "authenticationMode"))
596 s->authenticationMode = mp::xml::get_text(ptr);
598 else if (!strcmp((const char *) ptr->name,
599 "contentAuthentication"))
601 s->contentAuthentication = mp::xml::get_text(ptr);
603 else if (!strcmp((const char *) ptr->name,
606 s->cfAuth = mp::xml::get_text(ptr);
608 else if (!strcmp((const char *) ptr->name,
611 s->cfProxy = mp::xml::get_text(ptr);
613 else if (!strcmp((const char *) ptr->name,
616 s->cfSubDB = mp::xml::get_text(ptr);
618 else if (!strcmp((const char *) ptr->name,
621 s->contentConnector = mp::xml::get_text(ptr);
623 else if (!strcmp((const char *) ptr->name, "udb"))
625 s->udb = mp::xml::get_text(ptr);
627 else if (!strcmp((const char *) ptr->name, "zurl"))
629 s->target = mp::xml::get_text(ptr);
631 else if (!strcmp((const char *) ptr->name, "sru"))
633 s->sru = mp::xml::get_text(ptr);
635 else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
636 !strcmp((const char *) ptr->name, "sruVersion"))
638 s->sru_version = mp::xml::get_text(ptr);
640 else if (!strcmp((const char *) ptr->name,
643 s->query_encoding = mp::xml::get_text(ptr);
645 else if (!strcmp((const char *) ptr->name,
648 s->piggyback = mp::xml::get_bool(ptr, true);
650 else if (!strcmp((const char *) ptr->name,
653 s->request_syntax = mp::xml::get_text(ptr);
655 else if (!strcmp((const char *) ptr->name,
658 s->element_set = mp::xml::get_text(ptr);
660 else if (!strcmp((const char *) ptr->name,
663 s->record_encoding = mp::xml::get_text(ptr);
665 else if (!strcmp((const char *) ptr->name,
668 s->transform_xsl_fname = mp::xml::get_text(ptr);
670 else if (!strcmp((const char *) ptr->name,
673 s->transform_xsl_content = mp::xml::get_text(ptr);
675 else if (!strcmp((const char *) ptr->name,
678 s->urlRecipe = mp::xml::get_text(ptr);
680 else if (!strcmp((const char *) ptr->name,
683 ; // useTurboMarc is ignored
685 else if (!strncmp((const char *) ptr->name,
688 std::string value = mp::xml::get_text(ptr);
689 if (value.length() > 0)
691 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
692 (const char *) ptr->name + 7);
695 else if (!strncmp((const char *) ptr->name,
698 std::string value = mp::xml::get_text(ptr);
699 s->sortmap[(const char *) ptr->name + 8] = value;
701 else if (!strcmp((const char *) ptr->name,
704 s->sortStrategy = mp::xml::get_text(ptr);
706 else if (!strcmp((const char *) ptr->name,
709 s->extraArgs = mp::xml::get_text(ptr);
711 else if (!strcmp((const char *) ptr->name, "rpn2cql"))
712 s->rpn2cql_fname = mp::xml::get_text(ptr);
713 else if (!strcmp((const char *) ptr->name,
716 s->retry_on_failure = mp::xml::get_text(ptr);
722 void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
724 while (ptr && ptr->type != XML_ELEMENT_NODE)
729 if (!strcmp((const char *) ptr->name, "records"))
731 for (ptr = ptr->children; ptr; ptr = ptr->next)
733 if (ptr->type != XML_ELEMENT_NODE)
735 if (!strcmp((const char *) ptr->name, "record"))
737 SearchablePtr s = parse_torus_record(ptr);
740 std::string udb = s->udb;
745 throw mp::filter::FilterException
746 ("No udb for local torus record");
752 throw mp::filter::FilterException
754 + std::string((const char *) ptr->name)
755 + " in zoom filter inside element "
762 throw mp::filter::FilterException
764 + std::string((const char *) ptr->name)
765 + " in zoom filter inside element <torus>");
770 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
773 std::string explain_xslt_fname;
774 std::string record_xslt_fname;
780 for (ptr = ptr->children; ptr; ptr = ptr->next)
782 if (ptr->type != XML_ELEMENT_NODE)
784 else if (!strcmp((const char *) ptr->name, "torus"))
786 const struct _xmlAttr *attr;
787 for (attr = ptr->properties; attr; attr = attr->next)
789 if (!strcmp((const char *) attr->name, "url"))
790 torus_searchable_url = mp::xml::get_text(attr->children);
791 else if (!strcmp((const char *) attr->name, "content_url"))
792 torus_content_url = mp::xml::get_text(attr->children);
793 else if (!strcmp((const char *) attr->name, "auth_url"))
794 torus_auth_url = mp::xml::get_text(attr->children);
795 else if (!strcmp((const char *) attr->name, "allow_ip"))
796 torus_allow_ip = mp::xml::get_text(attr->children);
797 else if (!strcmp((const char *) attr->name, "realm"))
798 default_realm = mp::xml::get_text(attr->children);
799 else if (!strcmp((const char *) attr->name, "auth_hostname"))
800 torus_auth_hostname = mp::xml::get_text(attr->children);
801 else if (!strcmp((const char *) attr->name, "xsldir"))
802 xsldir = mp::xml::get_text(attr->children);
803 else if (!strcmp((const char *) attr->name, "element_transform"))
804 element_transform = mp::xml::get_text(attr->children);
805 else if (!strcmp((const char *) attr->name, "element_raw"))
806 element_raw = mp::xml::get_text(attr->children);
807 else if (!strcmp((const char *) attr->name, "element_passthru"))
808 element_passthru = mp::xml::get_text(attr->children);
809 else if (!strcmp((const char *) attr->name, "proxy"))
810 proxy = mp::xml::get_text(attr->children);
811 else if (!strcmp((const char *) attr->name, "explain_xsl"))
812 explain_xslt_fname = mp::xml::get_text(attr->children);
813 else if (!strcmp((const char *) attr->name, "record_xsl"))
814 record_xslt_fname = mp::xml::get_text(attr->children);
816 throw mp::filter::FilterException(
817 "Bad attribute " + std::string((const char *)
820 // If content_url is not given, use value of searchable, to
821 // ensure backwards compatibility
822 if (!torus_content_url.length())
823 torus_content_url = torus_searchable_url;
824 configure_local_records(ptr->children, test_only);
826 else if (!strcmp((const char *) ptr->name, "cclmap"))
828 const char *addinfo = 0;
829 ccl_xml_config(bibset, ptr, &addinfo);
831 else if (!strcmp((const char *) ptr->name, "fieldmap"))
833 const struct _xmlAttr *attr;
834 std::string ccl_field;
835 std::string cql_field;
836 for (attr = ptr->properties; attr; attr = attr->next)
838 if (!strcmp((const char *) attr->name, "ccl"))
839 ccl_field = mp::xml::get_text(attr->children);
840 else if (!strcmp((const char *) attr->name, "cql"))
841 cql_field = mp::xml::get_text(attr->children);
843 throw mp::filter::FilterException(
844 "Bad attribute " + std::string((const char *)
847 if (cql_field.length())
848 fieldmap[cql_field] = ccl_field;
850 else if (!strcmp((const char *) ptr->name, "contentProxy"))
852 const struct _xmlAttr *attr;
853 for (attr = ptr->properties; attr; attr = attr->next)
855 if (!strcmp((const char *) attr->name, "server"))
858 "contentProxy's server attribute is deprecated");
860 "Specify config_file instead. For example:");
862 " content_file=\"/etc/cf-proxy/cproxy.cfg\"");
863 content_proxy_server = mp::xml::get_text(attr->children);
865 else if (!strcmp((const char *) attr->name, "tmp_file"))
866 content_tmp_file = mp::xml::get_text(attr->children);
867 else if (!strcmp((const char *) attr->name, "config_file"))
868 content_config_file = mp::xml::get_text(attr->children);
870 throw mp::filter::FilterException(
871 "Bad attribute " + std::string((const char *)
875 else if (!strcmp((const char *) ptr->name, "log"))
877 const struct _xmlAttr *attr;
878 for (attr = ptr->properties; attr; attr = attr->next)
880 if (!strcmp((const char *) attr->name, "apdu"))
881 apdu_log = mp::xml::get_bool(attr->children, false);
883 throw mp::filter::FilterException(
884 "Bad attribute " + std::string((const char *)
888 else if (!strcmp((const char *) ptr->name, "zoom"))
890 const struct _xmlAttr *attr;
891 for (attr = ptr->properties; attr; attr = attr->next)
893 if (!strcmp((const char *) attr->name, "timeout"))
894 zoom_timeout = mp::xml::get_text(attr->children);
895 else if (!strcmp((const char *) attr->name, "proxy_timeout"))
896 proxy_timeout = mp::xml::get_int(attr->children, 1);
898 throw mp::filter::FilterException(
899 "Bad attribute " + std::string((const char *)
905 throw mp::filter::FilterException
907 + std::string((const char *) ptr->name)
908 + " in zoom filter");
912 if (explain_xslt_fname.length())
914 const char *path = 0;
917 path = xsldir.c_str();
919 path = file_path.c_str();
922 char *cp = yaz_filepath_resolve(explain_xslt_fname.c_str(),
926 throw mp::filter::FilterException
927 ("Cannot read XSLT " + explain_xslt_fname);
930 xmlDoc *xsp_doc = xmlParseFile(cp);
933 throw mp::filter::FilterException
934 ("Cannot parse XSLT " + explain_xslt_fname);
937 explain_xsp = xsltParseStylesheetDoc(xsp_doc);
941 throw mp::filter::FilterException
942 ("Cannot parse XSLT " + explain_xslt_fname);
947 if (record_xslt_fname.length())
949 const char *path = 0;
952 path = xsldir.c_str();
954 path = file_path.c_str();
957 char *cp = yaz_filepath_resolve(record_xslt_fname.c_str(),
961 throw mp::filter::FilterException
962 ("Cannot read XSLT " + record_xslt_fname);
965 xmlDoc *xsp_doc = xmlParseFile(cp);
968 throw mp::filter::FilterException
969 ("Cannot parse XSLT " + record_xslt_fname);
972 record_xsp = xsltParseStylesheetDoc(xsp_doc);
976 throw mp::filter::FilterException
977 ("Cannot parse XSLT " + record_xslt_fname);
983 bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
985 int *error, char **addinfo,
987 std::string authentication,
991 if (b->sptr->contentConnector.length())
993 std::string proxyhostname;
994 std::string tmp_file;
995 bool legacy_format = false;
997 if (m_p->content_proxy_server.length())
999 proxyhostname = m_p->content_proxy_server;
1000 legacy_format = true;
1003 if (m_p->content_tmp_file.length())
1004 tmp_file = m_p->content_tmp_file;
1006 if (m_p->content_config_file.length())
1008 FILE *inf = fopen(m_p->content_config_file.c_str(), "r");
1012 while (fgets(buf, sizeof(buf)-1, inf))
1015 cp = strchr(buf, '#');
1018 cp = strchr(buf, '\n');
1021 cp = strchr(buf, ':');
1025 while (cp1 != buf && cp1[-1] == ' ')
1031 if (!strcmp(buf, "proxyhostname"))
1033 if (!strcmp(buf, "sessiondir") && *cp)
1035 if (cp[strlen(cp)-1] == '/')
1036 cp[strlen(cp)-1] = '\0';
1037 tmp_file = std::string(cp) + std::string("/cf.XXXXXX.p");
1045 package.log("zoom", YLOG_WARN|YLOG_ERRNO,
1046 "unable to open content config %s",
1047 m_p->content_config_file.c_str());
1048 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1049 *addinfo = (char *) odr_malloc(odr, 70 + tmp_file.length());
1050 sprintf(*addinfo, "zoom: unable to open content config %s",
1051 m_p->content_config_file.c_str());
1056 if (proxyhostname.length() == 0)
1058 package.log("zoom", YLOG_WARN, "no proxyhostname");
1061 if (tmp_file.length() == 0)
1063 package.log("zoom", YLOG_WARN, "no tmp_file");
1067 char *fname = xstrdup(tmp_file.c_str());
1068 char *xx = strstr(fname, "XXXXXX");
1071 package.log("zoom", YLOG_WARN, "bad tmp_file %s", tmp_file.c_str());
1072 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1073 *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
1074 sprintf(*addinfo, "zoom: bad format of content tmp_file: %s",
1079 char tmp_char = xx[6];
1080 sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
1082 b->cproxy_host = std::string(xx) + "." + proxyhostname;
1084 b->cproxy_host = proxyhostname + "/" + xx;
1087 FILE *file = fopen(fname, "w");
1090 package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
1091 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1092 *addinfo = (char *) odr_malloc(odr, 50 + strlen(fname));
1093 sprintf(*addinfo, "zoom: could not create %s", fname);
1098 wrbuf_puts(w, "#content_proxy\n");
1099 wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
1100 if (authentication.length())
1101 wrbuf_printf(w, "auth: %s\n", authentication.c_str());
1103 wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
1105 wrbuf_printf(w, "realm: %s\n", realm.c_str());
1107 fwrite(w.buf(), 1, w.len(), file);
1109 package.log("zoom", YLOG_LOG, "content file: %s", fname);
1115 void yf::Zoom::Frontend::get_backend_from_databases(
1116 mp::Package &package,
1117 std::string &database, int *error, char **addinfo, mp::odr &odr,
1120 bool connection_reuse = false;
1123 if (m_backend && !m_backend->enable_explain &&
1124 m_frontend_database == database)
1126 connection_reuse = true;
1127 proxy = m_backend->m_proxy;
1130 std::string input_args;
1131 std::string torus_db;
1132 size_t db_arg_pos = database.find(',');
1133 if (db_arg_pos != std::string::npos)
1135 torus_db = database.substr(0, db_arg_pos);
1136 input_args = database.substr(db_arg_pos + 1);
1139 torus_db = database;
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);
1255 if (torus_db.compare("IR-Explain---1") == 0)
1256 return explain_search(package, database, error, addinfo, odr, torus_url,
1261 std::map<std::string,SearchablePtr>::iterator it;
1262 it = m_p->s_map.find(torus_db);
1263 if (it != m_p->s_map.end())
1265 else if (torus_url.length() > 0)
1267 std::string torus_addinfo;
1268 std::string torus_query = "udb==" + torus_db;
1269 xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
1275 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1276 if (torus_addinfo.length())
1277 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
1280 const xmlNode *ptr = xmlDocGetRootElement(doc);
1281 if (ptr && ptr->type == XML_ELEMENT_NODE)
1283 if (!strcmp((const char *) ptr->name, "record"))
1285 sptr = m_p->parse_torus_record(ptr);
1287 else if (!strcmp((const char *) ptr->name, "records"))
1289 for (ptr = ptr->children; ptr; ptr = ptr->next)
1291 if (ptr->type == XML_ELEMENT_NODE
1292 && !strcmp((const char *) ptr->name, "record"))
1296 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1298 odr_malloc(odr, 40 + torus_db.length());
1299 sprintf(*addinfo, "multiple records for udb=%s",
1304 sptr = m_p->parse_torus_record(ptr);
1310 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1311 *addinfo = (char*) odr_malloc(
1312 odr, 40 + strlen((const char *) ptr->name));
1313 sprintf(*addinfo, "bad root element for torus: %s", ptr->name);
1323 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1324 *addinfo = odr_strdup(odr, torus_db.c_str());
1328 xsltStylesheetPtr xsp = 0;
1329 if (sptr->transform_xsl_content.length())
1331 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
1332 sptr->transform_xsl_content.length());
1335 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1336 *addinfo = odr_strdup(odr, "zoom: xmlParseMemory failed "
1337 "for literalTransform XSL");
1340 xsp = xsltParseStylesheetDoc(xsp_doc);
1343 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1345 odr_strdup(odr,"zoom: xsltParseStylesheetDoc failed "
1346 "for literalTransform XSL");
1347 xmlFreeDoc(xsp_doc);
1351 else if (sptr->transform_xsl_fname.length())
1353 const char *path = 0;
1355 if (m_p->xsldir.length())
1356 path = m_p->xsldir.c_str();
1358 path = m_p->file_path.c_str();
1361 char fullpath[1024];
1362 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
1368 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1370 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
1371 sprintf(*addinfo, "zoom: could not open file %s",
1372 sptr->transform_xsl_fname.c_str());
1375 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
1378 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1379 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1380 sprintf(*addinfo, "zoom: xmlParseFile failed for file %s",
1384 xsp = xsltParseStylesheetDoc(xsp_doc);
1387 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1388 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1389 sprintf(*addinfo, "zoom: xsltParseStylesheetDoc failed "
1390 "for file %s", fname.c_str());
1391 xmlFreeDoc(xsp_doc);
1396 cql_transform_t cqlt = 0;
1397 if (sptr->rpn2cql_fname.length())
1399 char fullpath[1024];
1400 char *cp = yaz_filepath_resolve(sptr->rpn2cql_fname.c_str(),
1401 m_p->file_path.c_str(), 0, fullpath);
1403 cqlt = cql_transform_open_fname(fullpath);
1406 cqlt = cql_transform_create();
1410 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1411 *addinfo = odr_strdup(odr, "zoom: missing/invalid cql2rpn file");
1412 xsltFreeStylesheet(xsp);
1418 BackendPtr b(new Backend);
1423 m_frontend_database = database;
1424 b->enable_cproxy = param_nocproxy ? false : true;
1427 b->retry_on_failure = param_retry;
1429 b->retry_on_failure = b->sptr->retry_on_failure;
1431 if (sptr->query_encoding.length())
1432 b->set_option("rpnCharset", sptr->query_encoding);
1434 std::string extraArgs = sptr->extraArgs;
1436 b->set_option("timeout", m_p->zoom_timeout.c_str());
1439 b->set_option("apdulog", "1");
1441 if (sptr->piggyback && sptr->sru.length())
1442 b->set_option("count", "1"); /* some SRU servers INSIST on getting
1443 maximumRecords > 0 */
1444 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
1446 std::string authentication = sptr->authentication;
1449 authentication = std::string(param_user);
1451 authentication += "/" + std::string(param_password);
1453 std::string content_authentication = sptr->contentAuthentication;
1454 if (param_content_user)
1456 content_authentication = std::string(param_content_user);
1457 if (param_content_password)
1458 content_authentication += "/" + std::string(param_content_password);
1461 if (proxy.length() == 0)
1462 proxy = sptr->cfProxy;
1465 if (sptr->cfAuth.length())
1468 b->set_option("user", sptr->cfAuth);
1471 out_names[no_out_args] = "user";
1472 out_values[no_out_args++] = odr_strdup(odr, param_user);
1475 out_names[no_out_args] = "password";
1476 out_values[no_out_args++] = odr_strdup(odr, param_password);
1479 else if (authentication.length())
1481 size_t found = authentication.find('/');
1482 if (found != std::string::npos)
1484 out_names[no_out_args] = "user";
1485 out_values[no_out_args++] =
1486 odr_strdup(odr, authentication.substr(0, found).c_str());
1488 out_names[no_out_args] = "password";
1489 out_values[no_out_args++] =
1490 odr_strdup(odr, authentication.substr(found+1).c_str());
1494 out_names[no_out_args] = "user";
1495 out_values[no_out_args++] =
1496 odr_strdup(odr, authentication.c_str());
1501 out_names[no_out_args] = "proxy";
1502 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
1504 if (sptr->cfSubDB.length())
1506 out_names[no_out_args] = "subdatabase";
1507 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
1509 if (!param_nocproxy && b->sptr->contentConnector.length())
1510 param_nocproxy = "1";
1514 out_names[no_out_args] = "nocproxy";
1515 out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
1520 const char *auth = authentication.c_str();
1521 const char *cp1 = strchr(auth, ' ');
1522 if (!cp1 && sptr->sru.length())
1523 cp1 = strchr(auth, '/');
1526 /* Z39.50 user/password style, or no password for SRU */
1527 b->set_option("user", auth);
1531 /* now consider group as well */
1532 const char *cp2 = strchr(cp1 + 1, ' ');
1534 b->set_option("user", auth, cp1 - auth);
1536 b->set_option("password", cp1 + 1);
1539 b->set_option("group", cp1 + 1, cp2 - cp1 - 1);
1540 b->set_option("password", cp2 + 1);
1543 if (sptr->authenticationMode.length())
1544 b->set_option("authenticationMode", sptr->authenticationMode);
1546 b->set_option("proxy", proxy);
1548 if (extraArgs.length())
1549 b->set_option("extraArgs", extraArgs);
1551 std::string url(sptr->target);
1552 if (sptr->sru.length())
1554 b->set_option("sru", sptr->sru);
1555 if (url.find("://") == std::string::npos)
1556 url = "http://" + url;
1557 if (sptr->sru_version.length())
1558 b->set_option("sru_version", sptr->sru_version);
1563 out_names[no_out_args] = 0; // terminate list
1565 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1566 (char **) out_values);
1567 url += "," + std::string(x_args);
1569 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1570 b->connect(url, error, addinfo, odr);
1571 if (*error == 0 && b->enable_cproxy)
1572 create_content_session(package, b, error, addinfo, odr,
1573 content_authentication.length() ?
1574 content_authentication : authentication,
1575 content_proxy.length() ? content_proxy : proxy,
1581 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1582 Odr_oid *preferredRecordSyntax,
1583 const char *element_set_name,
1584 bool &enable_pz2_retrieval,
1585 bool &enable_pz2_transform,
1586 bool &enable_record_transform,
1587 bool &assume_marc8_charset)
1589 char oid_name_str[OID_STR_MAX];
1590 const char *syntax_name = 0;
1592 if (preferredRecordSyntax &&
1593 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
1595 if (element_set_name &&
1596 !strcmp(element_set_name, m_p->element_transform.c_str()))
1598 enable_pz2_retrieval = true;
1599 enable_pz2_transform = true;
1601 else if (element_set_name &&
1602 !strcmp(element_set_name, m_p->element_raw.c_str()))
1604 enable_pz2_retrieval = true;
1606 else if (m_p->record_xsp)
1608 enable_pz2_retrieval = true;
1609 enable_pz2_transform = true;
1610 enable_record_transform = true;
1614 if (enable_pz2_retrieval)
1616 std::string configured_request_syntax = b->sptr->request_syntax;
1617 if (configured_request_syntax.length())
1619 syntax_name = configured_request_syntax.c_str();
1620 const Odr_oid *syntax_oid =
1621 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1622 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1623 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1624 assume_marc8_charset = true;
1627 else if (preferredRecordSyntax)
1629 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1631 if (b->sptr->sru.length())
1632 syntax_name = "XML";
1634 b->set_option("preferredRecordSyntax", syntax_name);
1636 if (enable_pz2_retrieval)
1638 if (element_set_name && !strcmp(element_set_name,
1639 m_p->element_passthru.c_str()))
1643 element_set_name = 0;
1644 if (b->sptr->element_set.length())
1645 element_set_name = b->sptr->element_set.c_str();
1649 b->set_option("elementSetName", element_set_name);
1650 if (b->sptr->sru.length() && element_set_name)
1651 b->set_option("schema", element_set_name);
1654 Z_Records *yf::Zoom::Frontend::get_explain_records(
1655 mp::Package &package,
1657 Odr_int number_to_present,
1660 Odr_int *number_of_records_returned,
1663 Odr_oid *preferredRecordSyntax,
1664 const char *element_set_name)
1667 Z_Records *records = 0;
1669 if (!b->explain_doc)
1673 if (number_to_present > 10000)
1674 number_to_present = 10000;
1676 xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
1678 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1679 odr_malloc(odr, sizeof(*npl));
1680 npl->records = (Z_NamePlusRecord **)
1681 odr_malloc(odr, number_to_present * sizeof(*npl->records));
1683 for (i = 0; i < number_to_present; i++)
1686 xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
1689 xmlBufferPtr xml_buf = xmlBufferCreate();
1690 xmlNode *tmp_node = xmlCopyNode(res->children, 1);
1691 xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
1693 Z_NamePlusRecord *npr =
1694 (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1695 npr->databaseName = odr_strdup(odr, m_frontend_database.c_str());
1696 npr->which = Z_NamePlusRecord_databaseRecord;
1697 npr->u.databaseRecord =
1698 z_ext_record_xml(odr,
1699 (const char *) xml_buf->content, xml_buf->use);
1700 npl->records[i] = npr;
1701 xmlFreeNode(tmp_node);
1702 xmlBufferFree(xml_buf);
1704 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1705 records->which = Z_Records_DBOSD;
1706 records->u.databaseOrSurDiagnostics = npl;
1708 npl->num_records = i;
1709 *number_of_records_returned = i;
1714 Z_Records *yf::Zoom::Frontend::get_records(mp::Package &package,
1716 Odr_int number_to_present,
1719 Odr_int *number_of_records_returned,
1722 Odr_oid *preferredRecordSyntax,
1723 const char *element_set_name)
1725 *number_of_records_returned = 0;
1726 Z_Records *records = 0;
1727 bool enable_pz2_retrieval = false; // whether target profile is used
1728 bool enable_pz2_transform = false; // whether XSLT is used as well
1729 bool assume_marc8_charset = false;
1730 bool enable_record_transform = false;
1732 prepare_elements(b, preferredRecordSyntax,
1734 enable_pz2_retrieval,
1735 enable_pz2_transform,
1736 enable_record_transform,
1737 assume_marc8_charset);
1739 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1740 enable_pz2_retrieval ? "yes" : "no",
1741 enable_pz2_transform ? "yes" : "no");
1743 if (start < 0 || number_to_present <=0)
1746 if (number_to_present > 10000)
1747 number_to_present = 10000;
1749 ZOOM_record *recs = (ZOOM_record *)
1750 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1752 b->present(start, number_to_present, recs, error, addinfo, odr);
1757 for (i = 0; i < number_to_present; i++)
1762 const char *addinfo;
1763 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1764 &addinfo, 0 /* diagset */);
1766 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS && addinfo &&
1768 "ZOOM C generated. Present phase and no records"))
1773 { // only return records if no error and at least one record
1775 const char *xsl_parms[3];
1776 mp::wrbuf cproxy_host;
1778 if (b->enable_cproxy && b->cproxy_host.length())
1780 wrbuf_puts(cproxy_host, "\"");
1781 wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
1782 wrbuf_puts(cproxy_host, "/\"");
1784 xsl_parms[0] = "cproxyhost";
1785 xsl_parms[1] = wrbuf_cstr(cproxy_host);
1793 char *odr_database = odr_strdup(odr, m_frontend_database.c_str());
1794 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1795 odr_malloc(odr, sizeof(*npl));
1796 *number_of_records_returned = i;
1797 npl->num_records = i;
1798 npl->records = (Z_NamePlusRecord **)
1799 odr_malloc(odr, i * sizeof(*npl->records));
1800 for (i = 0; i < npl->num_records; i++)
1802 Z_NamePlusRecord *npr = 0;
1803 const char *addinfo;
1805 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1806 &addinfo, 0 /* diagset */);
1810 log_diagnostic(package, sur_error, addinfo);
1811 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1814 else if (enable_pz2_retrieval)
1816 char rec_type_str[100];
1817 const char *record_encoding = 0;
1819 if (b->sptr->record_encoding.length())
1820 record_encoding = b->sptr->record_encoding.c_str();
1821 else if (assume_marc8_charset)
1822 record_encoding = "marc8";
1824 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1825 if (record_encoding)
1827 strcat(rec_type_str, "; charset=");
1828 strcat(rec_type_str, record_encoding);
1831 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1834 xmlChar *xmlrec_buf = 0;
1835 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1837 if (!rec_buf && !npr)
1839 std::string addinfo("ZOOM_record_get failed for type ");
1841 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1842 addinfo += rec_type_str;
1843 log_diagnostic(package, error, addinfo.c_str());
1844 npr = zget_surrogateDiagRec(odr, odr_database,
1845 error, addinfo.c_str());
1849 package.log_write(rec_buf, rec_len);
1850 package.log_write("\r\n", 2);
1853 if (rec_buf && b->xsp && enable_pz2_transform)
1855 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1858 const char *addinfo = "xml parse failed for record";
1859 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1860 log_diagnostic(package, error, addinfo);
1861 npr = zget_surrogateDiagRec(
1862 odr, odr_database, error, addinfo);
1866 // first stage XSLT - per target
1867 xsltStylesheetPtr xsp = b->xsp;
1868 xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
1870 // insert generated-url
1874 mp::xml::url_recipe_handle(rec_res,
1875 b->sptr->urlRecipe);
1878 xmlNode *ptr = xmlDocGetRootElement(rec_res);
1879 while (ptr && ptr->type != XML_ELEMENT_NODE)
1882 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1883 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1885 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1889 // second stage XSLT - common
1890 if (rec_res && m_p->record_xsp &&
1891 enable_record_transform)
1893 xmlDoc *tmp_doc = rec_res;
1895 xsp = m_p->record_xsp;
1896 rec_res = xsltApplyStylesheet(xsp, tmp_doc,
1898 xmlFreeDoc(tmp_doc);
1900 // get result out of it
1903 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1905 rec_buf = (const char *) xmlrec_buf;
1906 package.log_write(rec_buf, rec_len);
1908 xmlFreeDoc(rec_res);
1912 std::string addinfo;
1914 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1916 addinfo = "xslt apply failed for "
1917 + b->sptr->transform_xsl_fname;
1918 log_diagnostic(package, error, addinfo.c_str());
1919 npr = zget_surrogateDiagRec(
1920 odr, odr_database, error, addinfo.c_str());
1922 xmlFreeDoc(rec_doc);
1929 npr = zget_surrogateDiagRec(
1931 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1935 npr = (Z_NamePlusRecord *)
1936 odr_malloc(odr, sizeof(*npr));
1937 npr->databaseName = odr_database;
1938 npr->which = Z_NamePlusRecord_databaseRecord;
1939 npr->u.databaseRecord =
1940 z_ext_record_xml(odr, rec_buf, rec_len);
1944 xmlFree(xmlrec_buf);
1949 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1952 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1953 npr->databaseName = odr_database;
1954 npr->which = Z_NamePlusRecord_databaseRecord;
1955 npr->u.databaseRecord = ext;
1959 npr = zget_surrogateDiagRec(
1961 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1962 "ZOOM_record, type ext");
1965 npl->records[i] = npr;
1967 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1968 records->which = Z_Records_DBOSD;
1969 records->u.databaseOrSurDiagnostics = npl;
1974 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1977 struct cql_node *r = 0;
1985 std::map<std::string,std::string>::const_iterator it;
1986 it = fieldmap.find(cn->u.st.index);
1987 if (it == fieldmap.end())
1989 if (it->second.length())
1990 cn->u.st.index = odr_strdup(odr, it->second.c_str());
1996 r = convert_cql_fields(cn->u.boolean.left, odr);
1998 r = convert_cql_fields(cn->u.boolean.right, odr);
2001 r = convert_cql_fields(cn->u.sort.search, odr);
2007 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
2008 int error, const char *addinfo)
2010 const char *err_msg = yaz_diag_bib1_str(error);
2012 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
2013 error, err_msg, addinfo);
2015 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
2019 void yf::Zoom::Frontend::explain_search(mp::Package &package,
2020 std::string &database,
2024 std::string torus_url,
2025 std::string &torus_db,
2030 BackendPtr b(new Backend);
2032 m_frontend_database = database;
2033 b->enable_explain = true;
2035 Z_GDU *gdu = package.request().get();
2036 Z_APDU *apdu_req = gdu->u.z3950;
2037 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2038 Z_Query *query = sr->query;
2040 if (!m_p->explain_xsp)
2042 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2044 odr_strdup(odr, "IR-Explain---1 unsupported. "
2045 "Torus explain_xsl not defined");
2048 else if (query->which == Z_Query_type_104 &&
2049 query->u.type_104->which == Z_External_CQL)
2051 std::string torus_addinfo;
2052 std::string torus_query(query->u.type_104->u.cql);
2053 xmlDoc *doc = mp::get_searchable(package, torus_url, "",
2057 if (m_p->explain_xsp)
2059 xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
2066 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2067 if (torus_addinfo.length())
2068 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2072 xmlNode *ptr = xmlDocGetRootElement(doc);
2075 xml_node_search(ptr, &hits, 0);
2077 Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
2078 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2079 package.response() = apdu_res;
2083 xmlFreeDoc(b->explain_doc);
2084 b->explain_doc = doc;
2088 *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2089 *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
2093 static bool wait_conn(COMSTACK cs, int secs)
2095 struct yaz_poll_fd pfd;
2097 yaz_poll_add(pfd.input_mask, yaz_poll_except);
2098 if (cs->io_pending & CS_WANT_WRITE)
2099 yaz_poll_add(pfd.input_mask, yaz_poll_write);
2100 if (cs->io_pending & CS_WANT_READ)
2101 yaz_poll_add(pfd.input_mask, yaz_poll_read);
2103 pfd.fd = cs_fileno(cs);
2104 pfd.client_data = 0;
2106 int ret = yaz_poll(&pfd, 1, secs, 0);
2110 bool yf::Zoom::Impl::check_proxy(const char *proxy)
2113 const char *uri = "http://localhost/";
2116 bool outcome = false;
2117 conn = cs_create_host_proxy(uri, 0, &add, proxy);
2122 Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
2123 gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
2125 if (z_GDU(odr, &gdu, 0, 0))
2128 char *buf = odr_getbuf(odr, &len, 0);
2130 int ret = cs_connect(conn, add);
2131 if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
2135 ret = cs_put(conn, buf, len);
2138 if (!wait_conn(conn, proxy_timeout))
2149 bool yf::Zoom::Frontend::retry(mp::Package &package,
2152 int &error, char **addinfo,
2153 int &proxy_step, int &same_retries,
2156 if (b && b->m_proxy.length() && !m_p->check_proxy(b->m_proxy.c_str()))
2158 log_diagnostic(package, error, *addinfo);
2159 package.log("zoom", YLOG_LOG, "proxy %s fails", b->m_proxy.c_str());
2161 if (proxy_step) // there is a failover
2164 package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
2167 error = YAZ_BIB1_PROXY_FAILURE;
2168 *addinfo = odr_strdup(odr, b->m_proxy.c_str());
2170 else if (b && b->retry_on_failure.compare("0")
2171 && same_retries == 0 && proxy_retries == 0)
2173 log_diagnostic(package, error, *addinfo);
2175 package.log("zoom", YLOG_WARN, "search failed: retry");
2183 void yf::Zoom::Frontend::handle_search(mp::Package &package)
2185 Z_GDU *gdu = package.request().get();
2186 Z_APDU *apdu_req = gdu->u.z3950;
2187 Z_APDU *apdu_res = 0;
2189 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2190 if (sr->num_databaseNames != 1)
2192 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
2193 log_diagnostic(package, error, 0);
2194 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
2195 package.response() = apdu_res;
2199 int same_retries = 0;
2200 int proxy_retries = 0;
2206 std::string db(sr->databaseNames[0]);
2208 get_backend_from_databases(package, db, &error,
2209 &addinfo, odr, &proxy_step);
2210 BackendPtr b = m_backend;
2213 if (retry(package, odr, b, error, &addinfo, proxy_step,
2214 same_retries, proxy_retries))
2219 log_diagnostic(package, error, addinfo);
2220 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2221 package.response() = apdu_res;
2224 if (!b || b->enable_explain)
2227 b->set_option("setname", "default");
2229 bool enable_pz2_retrieval = false;
2230 bool enable_pz2_transform = false;
2231 bool enable_record_transform = false;
2232 bool assume_marc8_charset = false;
2233 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
2234 enable_pz2_retrieval,
2235 enable_pz2_transform,
2236 enable_record_transform,
2237 assume_marc8_charset);
2240 Z_Query *query = sr->query;
2241 mp::wrbuf ccl_wrbuf;
2242 mp::wrbuf pqf_wrbuf;
2243 std::string sortkeys;
2245 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
2248 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
2250 else if (query->which == Z_Query_type_2)
2253 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
2254 query->u.type_2->len);
2256 else if (query->which == Z_Query_type_104 &&
2257 query->u.type_104->which == Z_External_CQL)
2260 const char *cql = query->u.type_104->u.cql;
2261 CQL_parser cp = cql_parser_create();
2262 int r = cql_parser_string(cp, cql);
2263 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
2266 cql_parser_destroy(cp);
2267 error = YAZ_BIB1_MALFORMED_QUERY;
2268 const char *addinfo = "CQL syntax error";
2269 log_diagnostic(package, error, addinfo);
2271 odr.create_searchResponse(apdu_req, error, addinfo);
2272 package.response() = apdu_res;
2275 struct cql_node *cn = cql_parser_result(cp);
2276 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
2279 // hopefully we are getting a ptr to a index+relation+term node
2280 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
2282 if (cn_error->which == CQL_NODE_ST)
2283 addinfo = cn_error->u.st.index;
2285 log_diagnostic(package, error, addinfo);
2286 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2287 package.response() = apdu_res;
2288 cql_parser_destroy(cp);
2291 r = cql_to_ccl(cn, wrbuf_vp_puts, ccl_wrbuf);
2294 error = YAZ_BIB1_MALFORMED_QUERY;
2295 const char *addinfo = "CQL to CCL conversion error";
2297 log_diagnostic(package, error, addinfo);
2298 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2299 package.response() = apdu_res;
2300 cql_parser_destroy(cp);
2304 mp::wrbuf sru_sortkeys_wrbuf;
2305 if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
2307 error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
2308 const char *addinfo = "CQL to CCL sortby conversion";
2310 log_diagnostic(package, error, addinfo);
2311 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2312 package.response() = apdu_res;
2313 cql_parser_destroy(cp);
2316 mp::wrbuf sort_spec_wrbuf;
2317 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
2319 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
2320 yaz_tok_parse_t tp =
2321 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
2322 yaz_tok_cfg_destroy(tc);
2324 /* go through sortspec and map fields */
2325 int token = yaz_tok_move(tp);
2326 while (token != YAZ_TOK_EOF)
2328 if (token == YAZ_TOK_STRING)
2330 const char *field = yaz_tok_parse_string(tp);
2331 std::map<std::string,std::string>::iterator it;
2332 it = b->sptr->sortmap.find(field);
2333 if (it != b->sptr->sortmap.end())
2334 sortkeys += it->second;
2339 token = yaz_tok_move(tp);
2340 if (token == YAZ_TOK_STRING)
2342 sortkeys += yaz_tok_parse_string(tp);
2344 if (token != YAZ_TOK_EOF)
2347 token = yaz_tok_move(tp);
2350 yaz_tok_parse_destroy(tp);
2351 cql_parser_destroy(cp);
2355 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2356 const char *addinfo = 0;
2357 log_diagnostic(package, error, addinfo);
2358 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2359 package.response() = apdu_res;
2363 if (ccl_wrbuf.len())
2366 assert(pqf_wrbuf.len() == 0);
2368 struct ccl_rpn_node *cn;
2369 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
2370 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
2374 char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
2375 error = YAZ_BIB1_MALFORMED_QUERY;
2379 case CCL_ERR_UNKNOWN_QUAL:
2380 case CCL_ERR_TRUNC_NOT_LEFT:
2381 case CCL_ERR_TRUNC_NOT_RIGHT:
2382 case CCL_ERR_TRUNC_NOT_BOTH:
2383 #ifdef CCL_ERR_TRUNC_NOT_EMBED
2384 case CCL_ERR_TRUNC_NOT_EMBED:
2386 #ifdef CCL_ERR_TRUNC_NOT_SINGLE
2387 case CCL_ERR_TRUNC_NOT_SINGLE:
2389 error = YAZ_BIB1_UNSUPP_SEARCH;
2392 log_diagnostic(package, error, addinfo);
2393 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2394 package.response() = apdu_res;
2397 ccl_pquery(pqf_wrbuf, cn);
2398 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
2402 assert(pqf_wrbuf.len());
2404 ZOOM_query q = ZOOM_query_create();
2405 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
2407 Z_FacetList *fl = 0;
2409 // Facets for request.. And later for reponse
2411 fl = yaz_oi_get_facetlist(&sr->otherInfo);
2413 fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
2415 if (b->get_option("sru"))
2418 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
2420 mp::wrbuf wrb_addinfo;
2422 if (!strcmp(b->get_option("sru"), "solr"))
2423 error = solr_transform_rpn2solr_stream_r(b->cqlt, wrb_addinfo,
2424 wrbuf_vp_puts, wrb_cql,
2427 error = cql_transform_rpn2cql_stream_r(b->cqlt, wrb_addinfo,
2428 wrbuf_vp_puts, wrb_cql,
2432 log_diagnostic(package, error, wrb_addinfo.c_str_null());
2433 apdu_res = odr.create_searchResponse(apdu_req, error,
2434 wrb_addinfo.c_str_null());
2435 package.response() = apdu_res;
2438 ZOOM_query_cql(q, wrb_cql.c_str());
2439 package.log("zoom", YLOG_LOG, "search CQL: %s", wrb_cql.c_str());
2440 b->search(q, &hits, &error, &addinfo, &fl, odr);
2441 ZOOM_query_destroy(q);
2445 ZOOM_query_prefix(q, pqf_wrbuf.c_str());
2446 package.log("zoom", YLOG_LOG, "search PQF: %s", pqf_wrbuf.c_str());
2447 b->search(q, &hits, &error, &addinfo, &fl, odr);
2448 ZOOM_query_destroy(q);
2453 if (retry(package, odr, b, error, &addinfo, proxy_step,
2454 same_retries, proxy_retries))
2458 const char *element_set_name = 0;
2459 Odr_int number_to_present = 0;
2461 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
2463 Odr_int number_of_records_returned = 0;
2464 Z_Records *records = get_records(
2466 0, number_to_present, &error, &addinfo,
2467 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
2470 log_diagnostic(package, error, addinfo);
2471 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2474 apdu_res->u.searchResponse->records = records;
2475 apdu_res->u.searchResponse->numberOfRecordsReturned =
2476 odr_intdup(odr, number_of_records_returned);
2478 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2480 yaz_oi_set_facetlist(&apdu_res->u.searchResponse->additionalSearchInfo,
2482 package.response() = apdu_res;
2485 void yf::Zoom::Frontend::handle_present(mp::Package &package)
2487 Z_GDU *gdu = package.request().get();
2488 Z_APDU *apdu_req = gdu->u.z3950;
2489 Z_APDU *apdu_res = 0;
2490 Z_PresentRequest *pr = apdu_req->u.presentRequest;
2495 package.response() = odr.create_presentResponse(
2496 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
2499 const char *element_set_name = 0;
2500 Z_RecordComposition *comp = pr->recordComposition;
2501 if (comp && comp->which != Z_RecordComp_simple)
2503 package.response() = odr.create_presentResponse(
2505 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
2508 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
2509 element_set_name = comp->u.simple->u.generic;
2510 Odr_int number_of_records_returned = 0;
2514 if (m_backend->enable_explain)
2516 Z_Records *records =
2517 get_explain_records(
2519 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2520 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2521 pr->preferredRecordSyntax, element_set_name);
2523 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2526 apdu_res->u.presentResponse->records = records;
2527 apdu_res->u.presentResponse->numberOfRecordsReturned =
2528 odr_intdup(odr, number_of_records_returned);
2530 package.response() = apdu_res;
2534 Z_Records *records =
2535 get_records(package,
2536 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2537 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2538 pr->preferredRecordSyntax, element_set_name);
2540 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2543 apdu_res->u.presentResponse->records = records;
2544 apdu_res->u.presentResponse->numberOfRecordsReturned =
2545 odr_intdup(odr, number_of_records_returned);
2547 package.response() = apdu_res;
2551 void yf::Zoom::Frontend::handle_package(mp::Package &package)
2553 Z_GDU *gdu = package.request().get();
2556 else if (gdu->which == Z_GDU_Z3950)
2558 Z_APDU *apdu_req = gdu->u.z3950;
2561 wrbuf_rewind(m_backend->m_apdu_wrbuf);
2562 if (apdu_req->which == Z_APDU_initRequest)
2565 package.response() = odr.create_close(
2567 Z_Close_protocolError,
2570 else if (apdu_req->which == Z_APDU_searchRequest)
2572 handle_search(package);
2574 else if (apdu_req->which == Z_APDU_presentRequest)
2576 handle_present(package);
2581 package.response() = odr.create_close(
2583 Z_Close_protocolError,
2584 "zoom filter cannot handle this APDU");
2585 package.session().close();
2589 WRBUF w = m_backend->m_apdu_wrbuf;
2590 package.log_write(wrbuf_buf(w), wrbuf_len(w));
2595 package.session().close();
2599 std::string escape_cql_term(std::string inp)
2602 size_t l = inp.length();
2604 for (i = 0; i < l; i++)
2606 if (strchr("*?^\"", inp[i]))
2613 void yf::Zoom::Frontend::auth(mp::Package &package, Z_InitRequest *req,
2614 int *error, char **addinfo, ODR odr)
2616 if (m_p->torus_auth_url.length() == 0)
2620 std::string password;
2621 if (req->idAuthentication)
2623 Z_IdAuthentication *auth = req->idAuthentication;
2624 switch (auth->which)
2626 case Z_IdAuthentication_open:
2629 const char *cp = strchr(auth->u.open, '/');
2632 user.assign(auth->u.open, cp - auth->u.open);
2633 password.assign(cp + 1);
2637 case Z_IdAuthentication_idPass:
2638 if (auth->u.idPass->userId)
2639 user.assign(auth->u.idPass->userId);
2640 if (auth->u.idPass->password)
2641 password.assign(auth->u.idPass->password);
2646 Z_OtherInformation **oi = &req->otherInfo;
2647 const char *ip_cstr =
2648 yaz_oi_get_string_oid(oi, yaz_oid_userinfo_client_ip, 1, 0);
2653 ip = package.origin().get_address();
2655 yaz_log(YLOG_LOG, "IP=%s", ip.c_str());
2658 NMEM nmem = nmem_create();
2661 nmem_strsplit_blank(nmem, m_p->torus_allow_ip.c_str(), &darray, &num);
2662 for (i = 0; i < num; i++)
2664 yaz_log(YLOG_LOG, "check against %s+%s", darray[i], ip.c_str());
2665 if (yaz_match_glob(darray[i], ip.c_str()))
2670 return; /* allow this IP */
2672 std::string torus_query;
2675 if (user.length() && password.length())
2677 torus_query = "userName==\"" + escape_cql_term(user) +
2678 "\" and password==\"" + escape_cql_term(password) + "\"";
2679 failure_code = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
2683 torus_query = "ipRanges encloses/net.ipaddress \"";
2684 torus_query += escape_cql_term(std::string(ip));
2685 torus_query += "\"";
2687 if (m_p->torus_auth_hostname.length())
2689 torus_query += " AND hostName == \"";
2690 torus_query += escape_cql_term(m_p->torus_auth_hostname);
2691 torus_query += "\"";
2693 failure_code = YAZ_BIB1_INIT_AC_BLOCKED_NETWORK_ADDRESS;
2696 std::string dummy_db;
2697 std::string dummy_realm;
2698 std::string torus_addinfo;
2699 xmlDoc *doc = mp::get_searchable(package, m_p->torus_auth_url, dummy_db,
2700 torus_query, dummy_realm, m_p->proxy,
2704 // something fundamental broken in lookup.
2705 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
2706 if (torus_addinfo.length())
2707 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2710 const xmlNode *ptr = xmlDocGetRootElement(doc);
2711 if (ptr && ptr->type == XML_ELEMENT_NODE)
2713 if (strcmp((const char *) ptr->name, "records") == 0)
2715 ptr = ptr->children;
2716 while (ptr && ptr->type != XML_ELEMENT_NODE)
2719 if (ptr && strcmp((const char *) ptr->name, "record") == 0)
2721 ptr = ptr->children;
2722 while (ptr && ptr->type != XML_ELEMENT_NODE)
2725 if (ptr && strcmp((const char *) ptr->name, "layer") == 0)
2727 ptr = ptr->children;
2728 while (ptr && ptr->type != XML_ELEMENT_NODE)
2733 if (ptr && ptr->type == XML_ELEMENT_NODE &&
2734 !strcmp((const char *) ptr->name, "identityId"))
2741 *error = failure_code;
2744 session_realm = mp::xml::get_text(ptr);
2747 void yf::Zoom::Impl::process(mp::Package &package)
2749 FrontendPtr f = get_frontend(package);
2750 Z_GDU *gdu = package.request().get();
2752 if (f->m_is_virtual)
2754 f->handle_package(package);
2756 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
2759 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
2760 f->m_init_gdu = gdu;
2763 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
2764 Z_InitResponse *resp = apdu->u.initResponse;
2767 static const int masks[] = {
2772 for (i = 0; masks[i] != -1; i++)
2773 if (ODR_MASK_GET(req->options, masks[i]))
2774 ODR_MASK_SET(resp->options, masks[i]);
2776 static const int versions[] = {
2777 Z_ProtocolVersion_1,
2778 Z_ProtocolVersion_2,
2779 Z_ProtocolVersion_3,
2782 for (i = 0; versions[i] != -1; i++)
2783 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
2784 ODR_MASK_SET(resp->protocolVersion, versions[i]);
2788 *resp->preferredMessageSize = *req->preferredMessageSize;
2789 *resp->maximumRecordSize = *req->maximumRecordSize;
2793 f->auth(package, req, &error, &addinfo, odr);
2796 resp->userInformationField =
2797 zget_init_diagnostics(odr, error, addinfo);
2799 package.session().close();
2802 f->m_is_virtual = true;
2803 package.response() = apdu;
2808 release_frontend(package);
2812 static mp::filter::Base* filter_creator()
2814 return new mp::filter::Zoom;
2818 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
2829 * c-file-style: "Stroustrup"
2830 * indent-tabs-mode: nil
2832 * vim: shiftwidth=4 tabstop=8 expandtab