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;
99 std::string m_frontend_database;
101 xsltStylesheetPtr xsp;
102 std::string cproxy_host;
107 cql_transform_t cqlt;
108 std::string retry_on_failure;
112 void connect(std::string zurl, int *error, char **addinfo,
114 void search(ZOOM_query q, Odr_int *hits,
115 int *error, char **addinfo, Z_FacetList **fl, ODR odr);
116 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
117 int *error, char **addinfo, ODR odr);
118 void set_option(const char *name, const char *value);
119 void set_option(const char *name, const char *value, size_t l);
120 void set_option(const char *name, std::string value);
121 const char *get_option(const char *name);
122 void get_zoom_error(int *error, char **addinfo, ODR odr);
124 class Zoom::Frontend : boost::noncopyable {
129 std::string session_realm;
130 yazpp_1::GDU m_init_gdu;
131 BackendPtr m_backend;
132 void handle_package(mp::Package &package);
133 void handle_search(mp::Package &package);
134 void auth(mp::Package &package, Z_InitRequest *req,
135 int *error, char **addinfo, ODR odr);
137 BackendPtr explain_search(mp::Package &package,
138 std::string &database,
142 std::string torus_url,
143 std::string &torus_db,
145 void handle_present(mp::Package &package);
146 BackendPtr get_backend_from_databases(mp::Package &package,
147 std::string &database,
153 bool create_content_session(mp::Package &package,
158 std::string authentication,
162 void prepare_elements(BackendPtr b,
163 Odr_oid *preferredRecordSyntax,
164 const char *element_set_name,
165 bool &enable_pz2_retrieval,
166 bool &enable_pz2_transform,
167 bool &enable_record_transform,
168 bool &assume_marc8_charset);
170 Z_Records *get_records(Package &package,
172 Odr_int number_to_present,
175 Odr_int *number_of_records_returned,
176 ODR odr, BackendPtr b,
177 Odr_oid *preferredRecordSyntax,
178 const char *element_set_name);
179 Z_Records *get_explain_records(Package &package,
181 Odr_int number_to_present,
184 Odr_int *number_of_records_returned,
185 ODR odr, BackendPtr b,
186 Odr_oid *preferredRecordSyntax,
187 const char *element_set_name);
188 bool retry(mp::Package &package,
191 int &error, char **addinfo,
192 int &proxy_step, int &same_retries,
194 void log_diagnostic(mp::Package &package,
195 int error, const char *addinfo);
197 Frontend(Impl *impl);
201 friend class Frontend;
205 void process(metaproxy_1::Package & package);
206 void configure(const xmlNode * ptr, bool test_only,
209 void configure_local_records(const xmlNode * ptr, bool test_only);
210 bool check_proxy(const char *proxy);
214 FrontendPtr get_frontend(mp::Package &package);
215 void release_frontend(mp::Package &package);
216 SearchablePtr parse_torus_record(const xmlNode *ptr);
217 struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
218 std::map<mp::Session, FrontendPtr> m_clients;
219 boost::mutex m_mutex;
220 boost::condition m_cond_session_ready;
221 std::string torus_searchable_url;
222 std::string torus_content_url;
223 std::string torus_auth_url;
224 std::string 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 yf::Zoom::BackendPtr 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 std::list<BackendPtr>::const_iterator map_it;
1124 if (m_backend && !m_backend->enable_explain &&
1125 m_backend->m_frontend_database == database)
1127 connection_reuse = true;
1128 proxy = m_backend->m_proxy;
1131 std::string input_args;
1132 std::string torus_db;
1133 size_t db_arg_pos = database.find(',');
1134 if (db_arg_pos != std::string::npos)
1136 torus_db = database.substr(0, db_arg_pos);
1137 input_args = database.substr(db_arg_pos + 1);
1140 torus_db = database;
1142 std::string content_proxy;
1143 std::string realm = session_realm;
1144 if (realm.length() == 0)
1145 realm = m_p->default_realm;
1147 const char *param_user = 0;
1148 const char *param_password = 0;
1149 const char *param_content_user = 0;
1150 const char *param_content_password = 0;
1151 const char *param_nocproxy = 0;
1152 const char *param_retry = 0;
1157 int no_out_args = 0;
1158 if (input_args.length())
1159 no_parms = yaz_uri_to_array(input_args.c_str(),
1160 odr, &names, &values);
1161 // adding 10 because we'll be adding other URL args
1162 const char **out_names = (const char **)
1163 odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
1164 const char **out_values = (const char **)
1165 odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
1167 // may be changed if it's a content connection
1168 std::string torus_url = m_p->torus_searchable_url;
1170 for (i = 0; i < no_parms; i++)
1172 const char *name = names[i];
1173 const char *value = values[i];
1176 if (!strcmp(name, "user"))
1178 else if (!strcmp(name, "password"))
1179 param_password = value;
1180 else if (!strcmp(name, "content-user"))
1181 param_content_user = value;
1182 else if (!strcmp(name, "content-password"))
1183 param_content_password = value;
1184 else if (!strcmp(name, "content-proxy"))
1185 content_proxy = value;
1186 else if (!strcmp(name, "nocproxy"))
1187 param_nocproxy = value;
1188 else if (!strcmp(name, "retry"))
1189 param_retry = value;
1190 else if (!strcmp(name, "proxy"))
1194 nmem_strsplit(((ODR) odr)->mem, ",", value, &dstr, &dnum);
1195 if (connection_reuse)
1197 // find the step after our current proxy
1199 for (i = 0; i < dnum; i++)
1200 if (!strcmp(proxy.c_str(), dstr[i]))
1205 *proxy_step = i + 1;
1209 // step is known.. Guess our proxy from it
1210 if (*proxy_step >= dnum)
1214 proxy = dstr[*proxy_step];
1217 if (*proxy_step == dnum)
1222 else if (!strcmp(name, "cproxysession"))
1224 out_names[no_out_args] = name;
1225 out_values[no_out_args++] = value;
1226 torus_url = m_p->torus_content_url;
1228 else if (!strcmp(name, "realm") && session_realm.length() == 0)
1230 else if (!strcmp(name, "torus_url") && session_realm.length() == 0)
1232 else if (name[0] == 'x' && name[1] == '-')
1234 out_names[no_out_args] = name;
1235 out_values[no_out_args++] = value;
1239 BackendPtr notfound;
1240 char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
1241 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1242 sprintf(msg, "zoom: bad database argument: %s", name);
1248 package.log("zoom", YLOG_LOG, "proxy: %s", proxy.c_str());
1250 if (connection_reuse)
1252 m_backend->connect("", error, addinfo, odr);
1256 if (torus_db.compare("IR-Explain---1") == 0)
1257 return explain_search(package, database, error, addinfo, odr, torus_url,
1262 std::map<std::string,SearchablePtr>::iterator it;
1263 it = m_p->s_map.find(torus_db);
1264 if (it != m_p->s_map.end())
1266 else if (torus_url.length() > 0)
1268 std::string torus_addinfo;
1269 std::string torus_query = "udb==" + torus_db;
1270 xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
1276 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1277 if (torus_addinfo.length())
1278 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
1282 const xmlNode *ptr = xmlDocGetRootElement(doc);
1283 if (ptr && ptr->type == XML_ELEMENT_NODE)
1285 if (!strcmp((const char *) ptr->name, "record"))
1287 sptr = m_p->parse_torus_record(ptr);
1289 else if (!strcmp((const char *) ptr->name, "records"))
1291 for (ptr = ptr->children; ptr; ptr = ptr->next)
1293 if (ptr->type == XML_ELEMENT_NODE
1294 && !strcmp((const char *) ptr->name, "record"))
1298 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1300 odr_malloc(odr, 40 + torus_db.length());
1301 sprintf(*addinfo, "multiple records for udb=%s",
1307 sptr = m_p->parse_torus_record(ptr);
1313 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1314 *addinfo = (char*) odr_malloc(
1315 odr, 40 + strlen((const char *) ptr->name));
1316 sprintf(*addinfo, "bad root element for torus: %s", ptr->name);
1327 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1328 *addinfo = odr_strdup(odr, torus_db.c_str());
1333 xsltStylesheetPtr xsp = 0;
1334 if (sptr->transform_xsl_content.length())
1336 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
1337 sptr->transform_xsl_content.length());
1340 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1341 *addinfo = odr_strdup(odr, "zoom: xmlParseMemory failed "
1342 "for literalTransform XSL");
1346 xsp = xsltParseStylesheetDoc(xsp_doc);
1349 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1351 odr_strdup(odr,"zoom: xsltParseStylesheetDoc failed "
1352 "for literalTransform XSL");
1354 xmlFreeDoc(xsp_doc);
1358 else if (sptr->transform_xsl_fname.length())
1360 const char *path = 0;
1362 if (m_p->xsldir.length())
1363 path = m_p->xsldir.c_str();
1365 path = m_p->file_path.c_str();
1368 char fullpath[1024];
1369 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
1375 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1377 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
1378 sprintf(*addinfo, "zoom: could not open file %s",
1379 sptr->transform_xsl_fname.c_str());
1383 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
1386 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1387 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1388 sprintf(*addinfo, "zoom: xmlParseFile failed for file %s",
1393 xsp = xsltParseStylesheetDoc(xsp_doc);
1396 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1397 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1398 sprintf(*addinfo, "zoom: xsltParseStylesheetDoc failed "
1399 "for file %s", fname.c_str());
1401 xmlFreeDoc(xsp_doc);
1406 cql_transform_t cqlt = 0;
1407 if (sptr->rpn2cql_fname.length())
1409 char fullpath[1024];
1410 char *cp = yaz_filepath_resolve(sptr->rpn2cql_fname.c_str(),
1411 m_p->file_path.c_str(), 0, fullpath);
1413 cqlt = cql_transform_open_fname(fullpath);
1416 cqlt = cql_transform_create();
1420 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1421 *addinfo = odr_strdup(odr, "zoom: missing/invalid cql2rpn file");
1423 xsltFreeStylesheet(xsp);
1429 BackendPtr b(new Backend);
1434 b->m_frontend_database = database;
1435 b->enable_cproxy = param_nocproxy ? false : true;
1438 b->retry_on_failure = param_retry;
1440 b->retry_on_failure = b->sptr->retry_on_failure;
1442 if (sptr->query_encoding.length())
1443 b->set_option("rpnCharset", sptr->query_encoding);
1445 std::string extraArgs = sptr->extraArgs;
1447 b->set_option("timeout", m_p->zoom_timeout.c_str());
1450 b->set_option("apdulog", "1");
1452 if (sptr->piggyback && sptr->sru.length())
1453 b->set_option("count", "1"); /* some SRU servers INSIST on getting
1454 maximumRecords > 0 */
1455 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
1457 std::string authentication = sptr->authentication;
1460 authentication = std::string(param_user);
1462 authentication += "/" + std::string(param_password);
1464 std::string content_authentication = sptr->contentAuthentication;
1465 if (param_content_user)
1467 content_authentication = std::string(param_content_user);
1468 if (param_content_password)
1469 content_authentication += "/" + std::string(param_content_password);
1472 if (proxy.length() == 0)
1473 proxy = sptr->cfProxy;
1476 if (sptr->cfAuth.length())
1479 b->set_option("user", sptr->cfAuth);
1482 out_names[no_out_args] = "user";
1483 out_values[no_out_args++] = odr_strdup(odr, param_user);
1486 out_names[no_out_args] = "password";
1487 out_values[no_out_args++] = odr_strdup(odr, param_password);
1490 else if (authentication.length())
1492 size_t found = authentication.find('/');
1493 if (found != std::string::npos)
1495 out_names[no_out_args] = "user";
1496 out_values[no_out_args++] =
1497 odr_strdup(odr, authentication.substr(0, found).c_str());
1499 out_names[no_out_args] = "password";
1500 out_values[no_out_args++] =
1501 odr_strdup(odr, authentication.substr(found+1).c_str());
1505 out_names[no_out_args] = "user";
1506 out_values[no_out_args++] =
1507 odr_strdup(odr, authentication.c_str());
1512 out_names[no_out_args] = "proxy";
1513 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
1515 if (sptr->cfSubDB.length())
1517 out_names[no_out_args] = "subdatabase";
1518 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
1520 if (!param_nocproxy && b->sptr->contentConnector.length())
1521 param_nocproxy = "1";
1525 out_names[no_out_args] = "nocproxy";
1526 out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
1531 const char *auth = authentication.c_str();
1532 const char *cp1 = strchr(auth, ' ');
1533 if (!cp1 && sptr->sru.length())
1534 cp1 = strchr(auth, '/');
1537 /* Z39.50 user/password style, or no password for SRU */
1538 b->set_option("user", auth);
1542 /* now consider group as well */
1543 const char *cp2 = strchr(cp1 + 1, ' ');
1545 b->set_option("user", auth, cp1 - auth);
1547 b->set_option("password", cp1 + 1);
1550 b->set_option("group", cp1 + 1, cp2 - cp1 - 1);
1551 b->set_option("password", cp2 + 1);
1554 if (sptr->authenticationMode.length())
1555 b->set_option("authenticationMode", sptr->authenticationMode);
1557 b->set_option("proxy", proxy);
1559 if (extraArgs.length())
1560 b->set_option("extraArgs", extraArgs);
1562 std::string url(sptr->target);
1563 if (sptr->sru.length())
1565 b->set_option("sru", sptr->sru);
1566 if (url.find("://") == std::string::npos)
1567 url = "http://" + url;
1568 if (sptr->sru_version.length())
1569 b->set_option("sru_version", sptr->sru_version);
1574 out_names[no_out_args] = 0; // terminate list
1576 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1577 (char **) out_values);
1578 url += "," + std::string(x_args);
1580 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1581 b->connect(url, error, addinfo, odr);
1582 if (*error == 0 && b->enable_cproxy)
1583 create_content_session(package, b, error, addinfo, odr,
1584 content_authentication.length() ?
1585 content_authentication : authentication,
1586 content_proxy.length() ? content_proxy : proxy,
1593 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1594 Odr_oid *preferredRecordSyntax,
1595 const char *element_set_name,
1596 bool &enable_pz2_retrieval,
1597 bool &enable_pz2_transform,
1598 bool &enable_record_transform,
1599 bool &assume_marc8_charset)
1601 char oid_name_str[OID_STR_MAX];
1602 const char *syntax_name = 0;
1604 if (preferredRecordSyntax &&
1605 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
1607 if (element_set_name &&
1608 !strcmp(element_set_name, m_p->element_transform.c_str()))
1610 enable_pz2_retrieval = true;
1611 enable_pz2_transform = true;
1613 else if (element_set_name &&
1614 !strcmp(element_set_name, m_p->element_raw.c_str()))
1616 enable_pz2_retrieval = true;
1618 else if (m_p->record_xsp)
1620 enable_pz2_retrieval = true;
1621 enable_pz2_transform = true;
1622 enable_record_transform = true;
1626 if (enable_pz2_retrieval)
1628 std::string configured_request_syntax = b->sptr->request_syntax;
1629 if (configured_request_syntax.length())
1631 syntax_name = configured_request_syntax.c_str();
1632 const Odr_oid *syntax_oid =
1633 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1634 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1635 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1636 assume_marc8_charset = true;
1639 else if (preferredRecordSyntax)
1641 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1643 if (b->sptr->sru.length())
1644 syntax_name = "XML";
1646 b->set_option("preferredRecordSyntax", syntax_name);
1648 if (enable_pz2_retrieval)
1650 if (element_set_name && !strcmp(element_set_name,
1651 m_p->element_passthru.c_str()))
1655 element_set_name = 0;
1656 if (b->sptr->element_set.length())
1657 element_set_name = b->sptr->element_set.c_str();
1661 b->set_option("elementSetName", element_set_name);
1662 if (b->sptr->sru.length() && element_set_name)
1663 b->set_option("schema", element_set_name);
1666 Z_Records *yf::Zoom::Frontend::get_explain_records(
1667 mp::Package &package,
1669 Odr_int number_to_present,
1672 Odr_int *number_of_records_returned,
1675 Odr_oid *preferredRecordSyntax,
1676 const char *element_set_name)
1679 Z_Records *records = 0;
1681 if (!b->explain_doc)
1685 if (number_to_present > 10000)
1686 number_to_present = 10000;
1688 xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
1690 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1691 odr_malloc(odr, sizeof(*npl));
1692 npl->records = (Z_NamePlusRecord **)
1693 odr_malloc(odr, number_to_present * sizeof(*npl->records));
1695 for (i = 0; i < number_to_present; i++)
1698 xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
1701 xmlBufferPtr xml_buf = xmlBufferCreate();
1702 xmlNode *tmp_node = xmlCopyNode(res->children, 1);
1703 xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
1705 Z_NamePlusRecord *npr =
1706 (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1707 npr->databaseName = odr_strdup(odr, b->m_frontend_database.c_str());
1708 npr->which = Z_NamePlusRecord_databaseRecord;
1709 npr->u.databaseRecord =
1710 z_ext_record_xml(odr,
1711 (const char *) xml_buf->content, xml_buf->use);
1712 npl->records[i] = npr;
1713 xmlFreeNode(tmp_node);
1714 xmlBufferFree(xml_buf);
1716 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1717 records->which = Z_Records_DBOSD;
1718 records->u.databaseOrSurDiagnostics = npl;
1720 npl->num_records = i;
1721 *number_of_records_returned = i;
1726 Z_Records *yf::Zoom::Frontend::get_records(mp::Package &package,
1728 Odr_int number_to_present,
1731 Odr_int *number_of_records_returned,
1734 Odr_oid *preferredRecordSyntax,
1735 const char *element_set_name)
1737 *number_of_records_returned = 0;
1738 Z_Records *records = 0;
1739 bool enable_pz2_retrieval = false; // whether target profile is used
1740 bool enable_pz2_transform = false; // whether XSLT is used as well
1741 bool assume_marc8_charset = false;
1742 bool enable_record_transform = false;
1744 prepare_elements(b, preferredRecordSyntax,
1746 enable_pz2_retrieval,
1747 enable_pz2_transform,
1748 enable_record_transform,
1749 assume_marc8_charset);
1751 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1752 enable_pz2_retrieval ? "yes" : "no",
1753 enable_pz2_transform ? "yes" : "no");
1755 if (start < 0 || number_to_present <=0)
1758 if (number_to_present > 10000)
1759 number_to_present = 10000;
1761 ZOOM_record *recs = (ZOOM_record *)
1762 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1764 b->present(start, number_to_present, recs, error, addinfo, odr);
1769 for (i = 0; i < number_to_present; i++)
1774 const char *addinfo;
1775 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1776 &addinfo, 0 /* diagset */);
1778 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS && addinfo &&
1780 "ZOOM C generated. Present phase and no records"))
1785 { // only return records if no error and at least one record
1787 const char *xsl_parms[3];
1788 mp::wrbuf cproxy_host;
1790 if (b->enable_cproxy && b->cproxy_host.length())
1792 wrbuf_puts(cproxy_host, "\"");
1793 wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
1794 wrbuf_puts(cproxy_host, "/\"");
1796 xsl_parms[0] = "cproxyhost";
1797 xsl_parms[1] = wrbuf_cstr(cproxy_host);
1805 char *odr_database = odr_strdup(odr,
1806 b->m_frontend_database.c_str());
1807 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1808 odr_malloc(odr, sizeof(*npl));
1809 *number_of_records_returned = i;
1810 npl->num_records = i;
1811 npl->records = (Z_NamePlusRecord **)
1812 odr_malloc(odr, i * sizeof(*npl->records));
1813 for (i = 0; i < npl->num_records; i++)
1815 Z_NamePlusRecord *npr = 0;
1816 const char *addinfo;
1818 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1819 &addinfo, 0 /* diagset */);
1823 log_diagnostic(package, sur_error, addinfo);
1824 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1827 else if (enable_pz2_retrieval)
1829 char rec_type_str[100];
1830 const char *record_encoding = 0;
1832 if (b->sptr->record_encoding.length())
1833 record_encoding = b->sptr->record_encoding.c_str();
1834 else if (assume_marc8_charset)
1835 record_encoding = "marc8";
1837 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1838 if (record_encoding)
1840 strcat(rec_type_str, "; charset=");
1841 strcat(rec_type_str, record_encoding);
1844 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1847 xmlChar *xmlrec_buf = 0;
1848 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1850 if (!rec_buf && !npr)
1852 std::string addinfo("ZOOM_record_get failed for type ");
1854 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1855 addinfo += rec_type_str;
1856 log_diagnostic(package, error, addinfo.c_str());
1857 npr = zget_surrogateDiagRec(odr, odr_database,
1858 error, addinfo.c_str());
1862 package.log_write(rec_buf, rec_len);
1863 package.log_write("\r\n", 2);
1866 if (rec_buf && b->xsp && enable_pz2_transform)
1868 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1871 const char *addinfo = "xml parse failed for record";
1872 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1873 log_diagnostic(package, error, addinfo);
1874 npr = zget_surrogateDiagRec(
1875 odr, odr_database, error, addinfo);
1879 // first stage XSLT - per target
1880 xsltStylesheetPtr xsp = b->xsp;
1881 xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
1883 // insert generated-url
1887 mp::xml::url_recipe_handle(rec_res,
1888 b->sptr->urlRecipe);
1891 xmlNode *ptr = xmlDocGetRootElement(rec_res);
1892 while (ptr && ptr->type != XML_ELEMENT_NODE)
1895 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1896 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1898 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1902 // second stage XSLT - common
1903 if (rec_res && m_p->record_xsp &&
1904 enable_record_transform)
1906 xmlDoc *tmp_doc = rec_res;
1908 xsp = m_p->record_xsp;
1909 rec_res = xsltApplyStylesheet(xsp, tmp_doc,
1911 xmlFreeDoc(tmp_doc);
1913 // get result out of it
1916 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1918 rec_buf = (const char *) xmlrec_buf;
1919 package.log_write(rec_buf, rec_len);
1921 xmlFreeDoc(rec_res);
1925 std::string addinfo;
1927 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1929 addinfo = "xslt apply failed for "
1930 + b->sptr->transform_xsl_fname;
1931 log_diagnostic(package, error, addinfo.c_str());
1932 npr = zget_surrogateDiagRec(
1933 odr, odr_database, error, addinfo.c_str());
1935 xmlFreeDoc(rec_doc);
1942 npr = zget_surrogateDiagRec(
1944 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1948 npr = (Z_NamePlusRecord *)
1949 odr_malloc(odr, sizeof(*npr));
1950 npr->databaseName = odr_database;
1951 npr->which = Z_NamePlusRecord_databaseRecord;
1952 npr->u.databaseRecord =
1953 z_ext_record_xml(odr, rec_buf, rec_len);
1957 xmlFree(xmlrec_buf);
1962 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1965 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1966 npr->databaseName = odr_database;
1967 npr->which = Z_NamePlusRecord_databaseRecord;
1968 npr->u.databaseRecord = ext;
1972 npr = zget_surrogateDiagRec(
1974 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1975 "ZOOM_record, type ext");
1978 npl->records[i] = npr;
1980 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1981 records->which = Z_Records_DBOSD;
1982 records->u.databaseOrSurDiagnostics = npl;
1987 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1990 struct cql_node *r = 0;
1998 std::map<std::string,std::string>::const_iterator it;
1999 it = fieldmap.find(cn->u.st.index);
2000 if (it == fieldmap.end())
2002 if (it->second.length())
2003 cn->u.st.index = odr_strdup(odr, it->second.c_str());
2009 r = convert_cql_fields(cn->u.boolean.left, odr);
2011 r = convert_cql_fields(cn->u.boolean.right, odr);
2014 r = convert_cql_fields(cn->u.sort.search, odr);
2020 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
2021 int error, const char *addinfo)
2023 const char *err_msg = yaz_diag_bib1_str(error);
2025 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
2026 error, err_msg, addinfo);
2028 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
2032 yf::Zoom::BackendPtr yf::Zoom::Frontend::explain_search(mp::Package &package,
2033 std::string &database,
2037 std::string torus_url,
2038 std::string &torus_db,
2043 BackendPtr b(new Backend);
2045 b->m_frontend_database = database;
2046 b->enable_explain = true;
2048 Z_GDU *gdu = package.request().get();
2049 Z_APDU *apdu_req = gdu->u.z3950;
2050 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2051 Z_Query *query = sr->query;
2053 if (!m_p->explain_xsp)
2055 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2057 odr_strdup(odr, "IR-Explain---1 unsupported. "
2058 "Torus explain_xsl not defined");
2061 else if (query->which == Z_Query_type_104 &&
2062 query->u.type_104->which == Z_External_CQL)
2064 std::string torus_addinfo;
2065 std::string torus_query(query->u.type_104->u.cql);
2066 xmlDoc *doc = mp::get_searchable(package, torus_url, "",
2070 if (m_p->explain_xsp)
2072 xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
2079 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2080 if (torus_addinfo.length())
2081 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2085 xmlNode *ptr = xmlDocGetRootElement(doc);
2088 xml_node_search(ptr, &hits, 0);
2090 Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
2091 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2092 package.response() = apdu_res;
2096 xmlFreeDoc(b->explain_doc);
2097 b->explain_doc = doc;
2102 *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2103 *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
2108 static bool wait_conn(COMSTACK cs, int secs)
2110 struct yaz_poll_fd pfd;
2112 yaz_poll_add(pfd.input_mask, yaz_poll_except);
2113 if (cs->io_pending & CS_WANT_WRITE)
2114 yaz_poll_add(pfd.input_mask, yaz_poll_write);
2115 if (cs->io_pending & CS_WANT_READ)
2116 yaz_poll_add(pfd.input_mask, yaz_poll_read);
2118 pfd.fd = cs_fileno(cs);
2119 pfd.client_data = 0;
2121 int ret = yaz_poll(&pfd, 1, secs, 0);
2125 bool yf::Zoom::Impl::check_proxy(const char *proxy)
2128 const char *uri = "http://localhost/";
2131 bool outcome = false;
2132 conn = cs_create_host_proxy(uri, 0, &add, proxy);
2137 Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
2138 gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
2140 if (z_GDU(odr, &gdu, 0, 0))
2143 char *buf = odr_getbuf(odr, &len, 0);
2145 int ret = cs_connect(conn, add);
2146 if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
2150 ret = cs_put(conn, buf, len);
2153 if (!wait_conn(conn, proxy_timeout))
2164 bool yf::Zoom::Frontend::retry(mp::Package &package,
2167 int &error, char **addinfo,
2168 int &proxy_step, int &same_retries,
2171 if (b && b->m_proxy.length() && !m_p->check_proxy(b->m_proxy.c_str()))
2173 log_diagnostic(package, error, *addinfo);
2174 package.log("zoom", YLOG_LOG, "proxy %s fails", b->m_proxy.c_str());
2176 if (proxy_step) // there is a failover
2179 package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
2182 error = YAZ_BIB1_PROXY_FAILURE;
2183 *addinfo = odr_strdup(odr, b->m_proxy.c_str());
2185 else if (b && b->retry_on_failure.compare("0")
2186 && same_retries == 0 && proxy_retries == 0)
2188 log_diagnostic(package, error, *addinfo);
2190 package.log("zoom", YLOG_WARN, "search failed: retry");
2198 void yf::Zoom::Frontend::handle_search(mp::Package &package)
2200 Z_GDU *gdu = package.request().get();
2201 Z_APDU *apdu_req = gdu->u.z3950;
2202 Z_APDU *apdu_res = 0;
2204 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2205 if (sr->num_databaseNames != 1)
2207 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
2208 log_diagnostic(package, error, 0);
2209 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
2210 package.response() = apdu_res;
2214 int same_retries = 0;
2215 int proxy_retries = 0;
2221 std::string db(sr->databaseNames[0]);
2223 BackendPtr b = get_backend_from_databases(package, db, &error,
2224 &addinfo, odr, &proxy_step);
2227 if (retry(package, odr, b, error, &addinfo, proxy_step,
2228 same_retries, proxy_retries))
2233 log_diagnostic(package, error, addinfo);
2234 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2235 package.response() = apdu_res;
2238 if (!b || b->enable_explain)
2241 b->set_option("setname", "default");
2243 bool enable_pz2_retrieval = false;
2244 bool enable_pz2_transform = false;
2245 bool enable_record_transform = false;
2246 bool assume_marc8_charset = false;
2247 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
2248 enable_pz2_retrieval,
2249 enable_pz2_transform,
2250 enable_record_transform,
2251 assume_marc8_charset);
2254 Z_Query *query = sr->query;
2255 mp::wrbuf ccl_wrbuf;
2256 mp::wrbuf pqf_wrbuf;
2257 std::string sortkeys;
2259 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
2262 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
2264 else if (query->which == Z_Query_type_2)
2267 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
2268 query->u.type_2->len);
2270 else if (query->which == Z_Query_type_104 &&
2271 query->u.type_104->which == Z_External_CQL)
2274 const char *cql = query->u.type_104->u.cql;
2275 CQL_parser cp = cql_parser_create();
2276 int r = cql_parser_string(cp, cql);
2277 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
2280 cql_parser_destroy(cp);
2281 error = YAZ_BIB1_MALFORMED_QUERY;
2282 const char *addinfo = "CQL syntax error";
2283 log_diagnostic(package, error, addinfo);
2285 odr.create_searchResponse(apdu_req, error, addinfo);
2286 package.response() = apdu_res;
2289 struct cql_node *cn = cql_parser_result(cp);
2290 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
2293 // hopefully we are getting a ptr to a index+relation+term node
2294 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
2296 if (cn_error->which == CQL_NODE_ST)
2297 addinfo = cn_error->u.st.index;
2299 log_diagnostic(package, error, addinfo);
2300 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2301 package.response() = apdu_res;
2302 cql_parser_destroy(cp);
2305 r = cql_to_ccl(cn, wrbuf_vp_puts, ccl_wrbuf);
2308 error = YAZ_BIB1_MALFORMED_QUERY;
2309 const char *addinfo = "CQL to CCL conversion error";
2311 log_diagnostic(package, error, addinfo);
2312 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2313 package.response() = apdu_res;
2314 cql_parser_destroy(cp);
2318 mp::wrbuf sru_sortkeys_wrbuf;
2319 if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
2321 error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
2322 const char *addinfo = "CQL to CCL sortby conversion";
2324 log_diagnostic(package, error, addinfo);
2325 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2326 package.response() = apdu_res;
2327 cql_parser_destroy(cp);
2330 mp::wrbuf sort_spec_wrbuf;
2331 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
2333 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
2334 yaz_tok_parse_t tp =
2335 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
2336 yaz_tok_cfg_destroy(tc);
2338 /* go through sortspec and map fields */
2339 int token = yaz_tok_move(tp);
2340 while (token != YAZ_TOK_EOF)
2342 if (token == YAZ_TOK_STRING)
2344 const char *field = yaz_tok_parse_string(tp);
2345 std::map<std::string,std::string>::iterator it;
2346 it = b->sptr->sortmap.find(field);
2347 if (it != b->sptr->sortmap.end())
2348 sortkeys += it->second;
2353 token = yaz_tok_move(tp);
2354 if (token == YAZ_TOK_STRING)
2356 sortkeys += yaz_tok_parse_string(tp);
2358 if (token != YAZ_TOK_EOF)
2361 token = yaz_tok_move(tp);
2364 yaz_tok_parse_destroy(tp);
2365 cql_parser_destroy(cp);
2369 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2370 const char *addinfo = 0;
2371 log_diagnostic(package, error, addinfo);
2372 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2373 package.response() = apdu_res;
2377 if (ccl_wrbuf.len())
2380 assert(pqf_wrbuf.len() == 0);
2382 struct ccl_rpn_node *cn;
2383 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
2384 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
2388 char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
2389 error = YAZ_BIB1_MALFORMED_QUERY;
2393 case CCL_ERR_UNKNOWN_QUAL:
2394 case CCL_ERR_TRUNC_NOT_LEFT:
2395 case CCL_ERR_TRUNC_NOT_RIGHT:
2396 case CCL_ERR_TRUNC_NOT_BOTH:
2397 #ifdef CCL_ERR_TRUNC_NOT_EMBED
2398 case CCL_ERR_TRUNC_NOT_EMBED:
2400 #ifdef CCL_ERR_TRUNC_NOT_SINGLE
2401 case CCL_ERR_TRUNC_NOT_SINGLE:
2403 error = YAZ_BIB1_UNSUPP_SEARCH;
2406 log_diagnostic(package, error, addinfo);
2407 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2408 package.response() = apdu_res;
2411 ccl_pquery(pqf_wrbuf, cn);
2412 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
2416 assert(pqf_wrbuf.len());
2418 ZOOM_query q = ZOOM_query_create();
2419 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
2421 Z_FacetList *fl = 0;
2423 // Facets for request.. And later for reponse
2425 fl = yaz_oi_get_facetlist(&sr->otherInfo);
2427 fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
2429 if (b->get_option("sru"))
2432 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
2434 mp::wrbuf wrb_addinfo;
2436 if (!strcmp(b->get_option("sru"), "solr"))
2437 error = solr_transform_rpn2solr_stream_r(b->cqlt, wrb_addinfo,
2438 wrbuf_vp_puts, wrb_cql,
2441 error = cql_transform_rpn2cql_stream_r(b->cqlt, wrb_addinfo,
2442 wrbuf_vp_puts, wrb_cql,
2446 log_diagnostic(package, error, wrb_addinfo.c_str_null());
2447 apdu_res = odr.create_searchResponse(apdu_req, error,
2448 wrb_addinfo.c_str_null());
2449 package.response() = apdu_res;
2452 ZOOM_query_cql(q, wrb_cql.c_str());
2453 package.log("zoom", YLOG_LOG, "search CQL: %s", wrb_cql.c_str());
2454 b->search(q, &hits, &error, &addinfo, &fl, odr);
2455 ZOOM_query_destroy(q);
2459 ZOOM_query_prefix(q, pqf_wrbuf.c_str());
2460 package.log("zoom", YLOG_LOG, "search PQF: %s", pqf_wrbuf.c_str());
2461 b->search(q, &hits, &error, &addinfo, &fl, odr);
2462 ZOOM_query_destroy(q);
2467 if (retry(package, odr, b, error, &addinfo, proxy_step,
2468 same_retries, proxy_retries))
2472 const char *element_set_name = 0;
2473 Odr_int number_to_present = 0;
2475 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
2477 Odr_int number_of_records_returned = 0;
2478 Z_Records *records = get_records(
2480 0, number_to_present, &error, &addinfo,
2481 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
2484 log_diagnostic(package, error, addinfo);
2485 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2488 apdu_res->u.searchResponse->records = records;
2489 apdu_res->u.searchResponse->numberOfRecordsReturned =
2490 odr_intdup(odr, number_of_records_returned);
2492 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2494 yaz_oi_set_facetlist(&apdu_res->u.searchResponse->additionalSearchInfo,
2496 package.response() = apdu_res;
2499 void yf::Zoom::Frontend::handle_present(mp::Package &package)
2501 Z_GDU *gdu = package.request().get();
2502 Z_APDU *apdu_req = gdu->u.z3950;
2503 Z_APDU *apdu_res = 0;
2504 Z_PresentRequest *pr = apdu_req->u.presentRequest;
2509 package.response() = odr.create_presentResponse(
2510 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
2513 const char *element_set_name = 0;
2514 Z_RecordComposition *comp = pr->recordComposition;
2515 if (comp && comp->which != Z_RecordComp_simple)
2517 package.response() = odr.create_presentResponse(
2519 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
2522 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
2523 element_set_name = comp->u.simple->u.generic;
2524 Odr_int number_of_records_returned = 0;
2528 if (m_backend->enable_explain)
2530 Z_Records *records =
2531 get_explain_records(
2533 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2534 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2535 pr->preferredRecordSyntax, element_set_name);
2537 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2540 apdu_res->u.presentResponse->records = records;
2541 apdu_res->u.presentResponse->numberOfRecordsReturned =
2542 odr_intdup(odr, number_of_records_returned);
2544 package.response() = apdu_res;
2548 Z_Records *records =
2549 get_records(package,
2550 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2551 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2552 pr->preferredRecordSyntax, element_set_name);
2554 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2557 apdu_res->u.presentResponse->records = records;
2558 apdu_res->u.presentResponse->numberOfRecordsReturned =
2559 odr_intdup(odr, number_of_records_returned);
2561 package.response() = apdu_res;
2565 void yf::Zoom::Frontend::handle_package(mp::Package &package)
2567 Z_GDU *gdu = package.request().get();
2570 else if (gdu->which == Z_GDU_Z3950)
2572 Z_APDU *apdu_req = gdu->u.z3950;
2575 wrbuf_rewind(m_backend->m_apdu_wrbuf);
2576 if (apdu_req->which == Z_APDU_initRequest)
2579 package.response() = odr.create_close(
2581 Z_Close_protocolError,
2584 else if (apdu_req->which == Z_APDU_searchRequest)
2586 handle_search(package);
2588 else if (apdu_req->which == Z_APDU_presentRequest)
2590 handle_present(package);
2595 package.response() = odr.create_close(
2597 Z_Close_protocolError,
2598 "zoom filter cannot handle this APDU");
2599 package.session().close();
2603 WRBUF w = m_backend->m_apdu_wrbuf;
2604 package.log_write(wrbuf_buf(w), wrbuf_len(w));
2609 package.session().close();
2613 std::string escape_cql_term(std::string inp)
2616 size_t l = inp.length();
2618 for (i = 0; i < l; i++)
2620 if (strchr("*?^\"", inp[i]))
2627 void yf::Zoom::Frontend::auth(mp::Package &package, Z_InitRequest *req,
2628 int *error, char **addinfo, ODR odr)
2630 if (m_p->torus_auth_url.length() == 0)
2634 std::string password;
2635 if (req->idAuthentication)
2637 Z_IdAuthentication *auth = req->idAuthentication;
2638 switch (auth->which)
2640 case Z_IdAuthentication_open:
2643 const char *cp = strchr(auth->u.open, '/');
2646 user.assign(auth->u.open, cp - auth->u.open);
2647 password.assign(cp + 1);
2651 case Z_IdAuthentication_idPass:
2652 if (auth->u.idPass->userId)
2653 user.assign(auth->u.idPass->userId);
2654 if (auth->u.idPass->password)
2655 password.assign(auth->u.idPass->password);
2660 Z_OtherInformation **oi = &req->otherInfo;
2661 const char *ip_cstr =
2662 yaz_oi_get_string_oid(oi, yaz_oid_userinfo_client_ip, 1, 0);
2667 ip = package.origin().get_address();
2669 yaz_log(YLOG_LOG, "IP=%s", ip.c_str());
2672 NMEM nmem = nmem_create();
2675 nmem_strsplit_blank(nmem, m_p->torus_allow_ip.c_str(), &darray, &num);
2676 for (i = 0; i < num; i++)
2678 yaz_log(YLOG_LOG, "check against %s+%s", darray[i], ip.c_str());
2679 if (yaz_match_glob(darray[i], ip.c_str()))
2684 return; /* allow this IP */
2686 std::string torus_query;
2689 if (user.length() && password.length())
2691 torus_query = "userName==\"" + escape_cql_term(user) +
2692 "\" and password==\"" + escape_cql_term(password) + "\"";
2693 failure_code = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
2697 torus_query = "ipRanges encloses/net.ipaddress \"";
2698 torus_query += escape_cql_term(std::string(ip));
2699 torus_query += "\"";
2701 if (m_p->torus_auth_hostname.length())
2703 torus_query += " AND hostName == \"";
2704 torus_query += escape_cql_term(m_p->torus_auth_hostname);
2705 torus_query += "\"";
2707 failure_code = YAZ_BIB1_INIT_AC_BLOCKED_NETWORK_ADDRESS;
2710 std::string dummy_db;
2711 std::string dummy_realm;
2712 std::string torus_addinfo;
2713 xmlDoc *doc = mp::get_searchable(package, m_p->torus_auth_url, dummy_db,
2714 torus_query, dummy_realm, m_p->proxy,
2718 // something fundamental broken in lookup.
2719 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
2720 if (torus_addinfo.length())
2721 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2724 const xmlNode *ptr = xmlDocGetRootElement(doc);
2725 if (ptr && ptr->type == XML_ELEMENT_NODE)
2727 if (strcmp((const char *) ptr->name, "records") == 0)
2729 ptr = ptr->children;
2730 while (ptr && ptr->type != XML_ELEMENT_NODE)
2733 if (ptr && strcmp((const char *) ptr->name, "record") == 0)
2735 ptr = ptr->children;
2736 while (ptr && ptr->type != XML_ELEMENT_NODE)
2739 if (ptr && strcmp((const char *) ptr->name, "layer") == 0)
2741 ptr = ptr->children;
2742 while (ptr && ptr->type != XML_ELEMENT_NODE)
2747 if (ptr && ptr->type == XML_ELEMENT_NODE &&
2748 !strcmp((const char *) ptr->name, "identityId"))
2755 *error = failure_code;
2758 session_realm = mp::xml::get_text(ptr);
2761 void yf::Zoom::Impl::process(mp::Package &package)
2763 FrontendPtr f = get_frontend(package);
2764 Z_GDU *gdu = package.request().get();
2766 if (f->m_is_virtual)
2768 f->handle_package(package);
2770 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
2773 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
2774 f->m_init_gdu = gdu;
2777 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
2778 Z_InitResponse *resp = apdu->u.initResponse;
2781 static const int masks[] = {
2786 for (i = 0; masks[i] != -1; i++)
2787 if (ODR_MASK_GET(req->options, masks[i]))
2788 ODR_MASK_SET(resp->options, masks[i]);
2790 static const int versions[] = {
2791 Z_ProtocolVersion_1,
2792 Z_ProtocolVersion_2,
2793 Z_ProtocolVersion_3,
2796 for (i = 0; versions[i] != -1; i++)
2797 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
2798 ODR_MASK_SET(resp->protocolVersion, versions[i]);
2802 *resp->preferredMessageSize = *req->preferredMessageSize;
2803 *resp->maximumRecordSize = *req->maximumRecordSize;
2807 f->auth(package, req, &error, &addinfo, odr);
2810 resp->userInformationField =
2811 zget_init_diagnostics(odr, error, addinfo);
2813 package.session().close();
2816 f->m_is_virtual = true;
2817 package.response() = apdu;
2822 release_frontend(package);
2826 static mp::filter::Base* filter_creator()
2828 return new mp::filter::Zoom;
2832 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
2843 * c-file-style: "Stroustrup"
2844 * indent-tabs-mode: nil
2846 * vim: shiftwidth=4 tabstop=8 expandtab