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;
97 mp::wrbuf m_apdu_wrbuf;
98 ZOOM_connection m_connection;
99 ZOOM_resultset m_resultset;
100 std::string m_frontend_database;
102 xsltStylesheetPtr xsp;
103 std::string cproxy_host;
108 cql_transform_t cqlt;
109 std::string retry_on_failure;
113 void connect(std::string zurl, int *error, char **addinfo,
115 void search(ZOOM_query q, Odr_int *hits,
116 int *error, char **addinfo, Z_FacetList **fl, ODR odr);
117 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
118 int *error, char **addinfo, ODR odr);
119 void set_option(const char *name, const char *value);
120 void set_option(const char *name, const char *value, size_t l);
121 void set_option(const char *name, std::string value);
122 const char *get_option(const char *name);
123 void get_zoom_error(int *error, char **addinfo, ODR odr);
125 class Zoom::Frontend : boost::noncopyable {
130 std::string session_realm;
131 yazpp_1::GDU m_init_gdu;
132 BackendPtr m_backend;
133 void handle_package(mp::Package &package);
134 void handle_search(mp::Package &package);
135 void auth(mp::Package &package, Z_InitRequest *req,
136 int *error, char **addinfo, ODR odr);
138 BackendPtr explain_search(mp::Package &package,
139 std::string &database,
143 std::string torus_url,
144 std::string &torus_db,
146 void handle_present(mp::Package &package);
147 BackendPtr get_backend_from_databases(mp::Package &package,
148 std::string &database,
154 bool create_content_session(mp::Package &package,
159 std::string authentication,
163 void prepare_elements(BackendPtr b,
164 Odr_oid *preferredRecordSyntax,
165 const char *element_set_name,
166 bool &enable_pz2_retrieval,
167 bool &enable_pz2_transform,
168 bool &enable_record_transform,
169 bool &assume_marc8_charset);
171 Z_Records *get_records(Package &package,
173 Odr_int number_to_present,
176 Odr_int *number_of_records_returned,
177 ODR odr, BackendPtr b,
178 Odr_oid *preferredRecordSyntax,
179 const char *element_set_name);
180 Z_Records *get_explain_records(Package &package,
182 Odr_int number_to_present,
185 Odr_int *number_of_records_returned,
186 ODR odr, BackendPtr b,
187 Odr_oid *preferredRecordSyntax,
188 const char *element_set_name);
189 bool retry(mp::Package &package,
192 int &error, char **addinfo,
193 int &proxy_step, int &same_retries,
195 void log_diagnostic(mp::Package &package,
196 int error, const char *addinfo);
198 Frontend(Impl *impl);
202 friend class Frontend;
206 void process(metaproxy_1::Package & package);
207 void configure(const xmlNode * ptr, bool test_only,
210 void configure_local_records(const xmlNode * ptr, bool test_only);
211 bool check_proxy(const char *proxy);
215 FrontendPtr get_frontend(mp::Package &package);
216 void release_frontend(mp::Package &package);
217 SearchablePtr parse_torus_record(const xmlNode *ptr);
218 struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
219 std::map<mp::Session, FrontendPtr> m_clients;
220 boost::mutex m_mutex;
221 boost::condition m_cond_session_ready;
222 std::string torus_searchable_url;
223 std::string torus_content_url;
224 std::string torus_auth_url;
225 std::string torus_allow_ip;
226 std::string default_realm;
227 std::string torus_auth_hostname;
228 std::map<std::string,std::string> fieldmap;
230 std::string file_path;
231 std::string content_proxy_server;
232 std::string content_tmp_file;
233 std::string content_config_file;
236 std::string element_transform;
237 std::string element_raw;
238 std::string element_passthru;
240 xsltStylesheetPtr explain_xsp;
241 xsltStylesheetPtr record_xsp;
242 std::map<std::string,SearchablePtr> s_map;
243 std::string zoom_timeout;
250 static xmlNode *xml_node_search(xmlNode *ptr, int *num, int m)
254 if (ptr->type == XML_ELEMENT_NODE &&
255 !strcmp((const char *) ptr->name, "recordData"))
261 else // else: we don't want to find nested nodes
263 xmlNode *ret_node = xml_node_search(ptr->children, num, m);
272 // define Pimpl wrapper forwarding to Impl
274 yf::Zoom::Zoom() : m_p(new Impl)
279 { // must have a destructor because of boost::scoped_ptr
282 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
285 m_p->configure(xmlnode, test_only, path);
288 void yf::Zoom::process(mp::Package &package) const
290 m_p->process(package);
294 // define Implementation stuff
296 yf::Zoom::Backend::Backend()
298 m_connection = ZOOM_connection_create(0);
299 ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
302 enable_cproxy = true;
303 enable_explain = false;
308 yf::Zoom::Backend::~Backend()
311 xsltFreeStylesheet(xsp);
313 xmlFreeDoc(explain_doc);
314 cql_transform_close(cqlt);
315 ZOOM_connection_destroy(m_connection);
316 ZOOM_resultset_destroy(m_resultset);
320 void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
324 const char *zoom_addinfo = 0;
325 const char *dset = 0;
326 int error0 = ZOOM_connection_error_x(m_connection, &msg,
327 &zoom_addinfo, &dset);
333 if (!strcmp(dset, "info:srw/diagnostic/1"))
334 *error = yaz_diag_srw_to_bib1(error0);
335 else if (!strcmp(dset, "Bib-1"))
337 else if (!strcmp(dset, "ZOOM"))
339 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
340 if (error0 == ZOOM_ERROR_INIT)
341 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
342 else if (error0 == ZOOM_ERROR_DECODE)
346 if (strstr(zoom_addinfo, "Authentication") ||
347 strstr(zoom_addinfo, "authentication"))
348 *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
353 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
355 *addinfo = (char *) odr_malloc(
356 odr, 30 + strlen(dset) + strlen(msg) +
357 (zoom_addinfo ? strlen(zoom_addinfo) : 0));
359 if (zoom_addinfo && *zoom_addinfo)
361 strcpy(*addinfo, zoom_addinfo);
362 strcat(*addinfo, " ");
364 sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
368 void yf::Zoom::Backend::connect(std::string zurl,
369 int *error, char **addinfo,
372 size_t h = zurl.find_first_of('#');
373 if (h != std::string::npos)
375 ZOOM_connection_connect(m_connection, zurl.length() ? zurl.c_str() : 0, 0);
376 get_zoom_error(error, addinfo, odr);
380 void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
381 int *error, char **addinfo, Z_FacetList **flp,
384 ZOOM_resultset_destroy(m_resultset);
388 WRBUF w = wrbuf_alloc();
389 yaz_facet_list_to_wrbuf(w, *flp);
390 set_option("facets", wrbuf_cstr(w));
393 m_resultset = ZOOM_connection_search(m_connection, q);
394 get_zoom_error(error, addinfo, odr);
396 *hits = ZOOM_resultset_size(m_resultset);
400 size_t num_facets = ZOOM_resultset_facets_size(m_resultset);
404 Z_FacetList *fl = (Z_FacetList *) odr_malloc(odr, sizeof(*fl));
405 fl->elements = (Z_FacetField **)
406 odr_malloc(odr, num_facets * sizeof(*fl->elements));
407 for (i = 0; i < num_facets; i++)
409 ZOOM_facet_field ff =
410 ZOOM_resultset_get_facet_field_by_index(m_resultset, i);
413 Z_AttributeList *al = (Z_AttributeList *)
414 odr_malloc(odr, sizeof(*al));
415 al->num_attributes = 1;
416 al->attributes = (Z_AttributeElement **)
417 odr_malloc(odr, sizeof(*al->attributes));
418 Z_AttributeElement *ae = al->attributes[0] = (Z_AttributeElement *)
419 odr_malloc(odr, sizeof(**al->attributes));
420 ae->attributeSet = 0;
421 ae->attributeType = odr_intdup(odr, 1);
422 ae->which = Z_AttributeValue_complex;
423 ae->value.complex = (Z_ComplexAttribute *)
424 odr_malloc(odr, sizeof(*ae->value.complex));
425 ae->value.complex->num_list = 1;
426 ae->value.complex->list = (Z_StringOrNumeric **)
427 odr_malloc(odr, sizeof(**ae->value.complex->list));
428 ae->value.complex->list[0] = (Z_StringOrNumeric *)
429 odr_malloc(odr, sizeof(**ae->value.complex->list));
430 ae->value.complex->list[0]->which = Z_StringOrNumeric_string;
431 ae->value.complex->list[0]->u.string =
432 odr_strdup(odr, ZOOM_facet_field_name(ff));
433 ae->value.complex->num_semanticAction = 0;
434 ae->value.complex->semanticAction = 0;
436 int num_terms = ZOOM_facet_field_term_count(ff);
437 fl->elements[i] = (Z_FacetField *)
438 odr_malloc(odr, sizeof(Z_FacetField));
439 fl->elements[i]->attributes = al;
440 fl->elements[i]->num_terms = num_terms;
441 fl->elements[i]->terms = (Z_FacetTerm **)
442 odr_malloc(odr, num_terms * sizeof(Z_FacetTerm *));
444 for (j = 0; j < num_terms; j++)
447 const char *a_term = ZOOM_facet_field_get_term(ff, j, &freq);
448 Z_FacetTerm *ft = (Z_FacetTerm *) odr_malloc(odr, sizeof(*ft));
449 ft->term = z_Term_create(odr, Z_Term_general, a_term,
451 ft->count = odr_intdup(odr, freq);
453 fl->elements[i]->terms[j] = ft;
461 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
463 int *error, char **addinfo, ODR odr)
465 ZOOM_resultset_records(m_resultset, recs, start, number);
466 get_zoom_error(error, addinfo, odr);
470 void yf::Zoom::Backend::set_option(const char *name, const char *value, size_t l)
472 ZOOM_connection_option_setl(m_connection, name, value, l);
475 void yf::Zoom::Backend::set_option(const char *name, const char *value)
477 ZOOM_connection_option_set(m_connection, name, value);
479 ZOOM_resultset_option_set(m_resultset, name, value);
482 void yf::Zoom::Backend::set_option(const char *name, std::string value)
484 set_option(name, value.c_str());
487 const char *yf::Zoom::Backend::get_option(const char *name)
489 return ZOOM_connection_option_get(m_connection, name);
492 yf::Zoom::Searchable::Searchable(CCL_bibset base)
495 use_turbomarc = true;
496 sortStrategy = "embed";
497 retry_on_failure = "1"; // existing default (should have been false)
498 ccl_bibset = ccl_qual_dup(base);
501 yf::Zoom::Searchable::~Searchable()
503 ccl_qual_rm(&ccl_bibset);
506 yf::Zoom::Frontend::Frontend(Impl *impl) :
507 m_p(impl), m_is_virtual(false), m_in_use(true)
511 yf::Zoom::Frontend::~Frontend()
515 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
517 boost::mutex::scoped_lock lock(m_mutex);
519 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
523 it = m_clients.find(package.session());
524 if (it == m_clients.end())
527 if (!it->second->m_in_use)
529 it->second->m_in_use = true;
532 m_cond_session_ready.wait(lock);
534 FrontendPtr f(new Frontend(this));
535 m_clients[package.session()] = f;
540 void yf::Zoom::Impl::release_frontend(mp::Package &package)
542 boost::mutex::scoped_lock lock(m_mutex);
543 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
545 it = m_clients.find(package.session());
546 if (it != m_clients.end())
548 if (package.session().is_closed())
554 it->second->m_in_use = false;
556 m_cond_session_ready.notify_all();
560 yf::Zoom::Impl::Impl() :
561 apdu_log(false), element_transform("pz2") , element_raw("raw") ,
562 element_passthru("F"),
563 zoom_timeout("40"), proxy_timeout(1)
565 bibset = ccl_qual_mk();
569 srand((unsigned int) time(0));
572 yf::Zoom::Impl::~Impl()
575 xsltFreeStylesheet(explain_xsp);
576 ccl_qual_rm(&bibset);
579 yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
581 Zoom::SearchablePtr s(new Searchable(bibset));
583 for (ptr = ptr->children; ptr; ptr = ptr->next)
585 if (ptr->type != XML_ELEMENT_NODE)
587 if (!strcmp((const char *) ptr->name, "layer"))
589 else if (!strcmp((const char *) ptr->name,
592 s->authentication = mp::xml::get_text(ptr);
594 else if (!strcmp((const char *) ptr->name,
595 "authenticationMode"))
597 s->authenticationMode = mp::xml::get_text(ptr);
599 else if (!strcmp((const char *) ptr->name,
600 "contentAuthentication"))
602 s->contentAuthentication = mp::xml::get_text(ptr);
604 else if (!strcmp((const char *) ptr->name,
607 s->cfAuth = mp::xml::get_text(ptr);
609 else if (!strcmp((const char *) ptr->name,
612 s->cfProxy = mp::xml::get_text(ptr);
614 else if (!strcmp((const char *) ptr->name,
617 s->cfSubDB = mp::xml::get_text(ptr);
619 else if (!strcmp((const char *) ptr->name,
622 s->contentConnector = mp::xml::get_text(ptr);
624 else if (!strcmp((const char *) ptr->name, "udb"))
626 s->udb = mp::xml::get_text(ptr);
628 else if (!strcmp((const char *) ptr->name, "zurl"))
630 s->target = mp::xml::get_text(ptr);
632 else if (!strcmp((const char *) ptr->name, "sru"))
634 s->sru = mp::xml::get_text(ptr);
636 else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
637 !strcmp((const char *) ptr->name, "sruVersion"))
639 s->sru_version = mp::xml::get_text(ptr);
641 else if (!strcmp((const char *) ptr->name,
644 s->query_encoding = mp::xml::get_text(ptr);
646 else if (!strcmp((const char *) ptr->name,
649 s->piggyback = mp::xml::get_bool(ptr, true);
651 else if (!strcmp((const char *) ptr->name,
654 s->request_syntax = mp::xml::get_text(ptr);
656 else if (!strcmp((const char *) ptr->name,
659 s->element_set = mp::xml::get_text(ptr);
661 else if (!strcmp((const char *) ptr->name,
664 s->record_encoding = mp::xml::get_text(ptr);
666 else if (!strcmp((const char *) ptr->name,
669 s->transform_xsl_fname = mp::xml::get_text(ptr);
671 else if (!strcmp((const char *) ptr->name,
674 s->transform_xsl_content = mp::xml::get_text(ptr);
676 else if (!strcmp((const char *) ptr->name,
679 s->urlRecipe = mp::xml::get_text(ptr);
681 else if (!strcmp((const char *) ptr->name,
684 ; // useTurboMarc is ignored
686 else if (!strncmp((const char *) ptr->name,
689 std::string value = mp::xml::get_text(ptr);
690 if (value.length() > 0)
692 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
693 (const char *) ptr->name + 7);
696 else if (!strncmp((const char *) ptr->name,
699 std::string value = mp::xml::get_text(ptr);
700 s->sortmap[(const char *) ptr->name + 8] = value;
702 else if (!strcmp((const char *) ptr->name,
705 s->sortStrategy = mp::xml::get_text(ptr);
707 else if (!strcmp((const char *) ptr->name,
710 s->extraArgs = mp::xml::get_text(ptr);
712 else if (!strcmp((const char *) ptr->name, "rpn2cql"))
713 s->rpn2cql_fname = mp::xml::get_text(ptr);
714 else if (!strcmp((const char *) ptr->name,
717 s->retry_on_failure = mp::xml::get_text(ptr);
723 void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
725 while (ptr && ptr->type != XML_ELEMENT_NODE)
730 if (!strcmp((const char *) ptr->name, "records"))
732 for (ptr = ptr->children; ptr; ptr = ptr->next)
734 if (ptr->type != XML_ELEMENT_NODE)
736 if (!strcmp((const char *) ptr->name, "record"))
738 SearchablePtr s = parse_torus_record(ptr);
741 std::string udb = s->udb;
746 throw mp::filter::FilterException
747 ("No udb for local torus record");
753 throw mp::filter::FilterException
755 + std::string((const char *) ptr->name)
756 + " in zoom filter inside element "
763 throw mp::filter::FilterException
765 + std::string((const char *) ptr->name)
766 + " in zoom filter inside element <torus>");
771 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
774 std::string explain_xslt_fname;
775 std::string record_xslt_fname;
781 for (ptr = ptr->children; ptr; ptr = ptr->next)
783 if (ptr->type != XML_ELEMENT_NODE)
785 else if (!strcmp((const char *) ptr->name, "torus"))
787 const struct _xmlAttr *attr;
788 for (attr = ptr->properties; attr; attr = attr->next)
790 if (!strcmp((const char *) attr->name, "url"))
791 torus_searchable_url = mp::xml::get_text(attr->children);
792 else if (!strcmp((const char *) attr->name, "content_url"))
793 torus_content_url = mp::xml::get_text(attr->children);
794 else if (!strcmp((const char *) attr->name, "auth_url"))
795 torus_auth_url = mp::xml::get_text(attr->children);
796 else if (!strcmp((const char *) attr->name, "allow_ip"))
797 torus_allow_ip = mp::xml::get_text(attr->children);
798 else if (!strcmp((const char *) attr->name, "realm"))
799 default_realm = mp::xml::get_text(attr->children);
800 else if (!strcmp((const char *) attr->name, "auth_hostname"))
801 torus_auth_hostname = mp::xml::get_text(attr->children);
802 else if (!strcmp((const char *) attr->name, "xsldir"))
803 xsldir = mp::xml::get_text(attr->children);
804 else if (!strcmp((const char *) attr->name, "element_transform"))
805 element_transform = mp::xml::get_text(attr->children);
806 else if (!strcmp((const char *) attr->name, "element_raw"))
807 element_raw = mp::xml::get_text(attr->children);
808 else if (!strcmp((const char *) attr->name, "element_passthru"))
809 element_passthru = mp::xml::get_text(attr->children);
810 else if (!strcmp((const char *) attr->name, "proxy"))
811 proxy = mp::xml::get_text(attr->children);
812 else if (!strcmp((const char *) attr->name, "explain_xsl"))
813 explain_xslt_fname = mp::xml::get_text(attr->children);
814 else if (!strcmp((const char *) attr->name, "record_xsl"))
815 record_xslt_fname = mp::xml::get_text(attr->children);
817 throw mp::filter::FilterException(
818 "Bad attribute " + std::string((const char *)
821 // If content_url is not given, use value of searchable, to
822 // ensure backwards compatibility
823 if (!torus_content_url.length())
824 torus_content_url = torus_searchable_url;
825 configure_local_records(ptr->children, test_only);
827 else if (!strcmp((const char *) ptr->name, "cclmap"))
829 const char *addinfo = 0;
830 ccl_xml_config(bibset, ptr, &addinfo);
832 else if (!strcmp((const char *) ptr->name, "fieldmap"))
834 const struct _xmlAttr *attr;
835 std::string ccl_field;
836 std::string cql_field;
837 for (attr = ptr->properties; attr; attr = attr->next)
839 if (!strcmp((const char *) attr->name, "ccl"))
840 ccl_field = mp::xml::get_text(attr->children);
841 else if (!strcmp((const char *) attr->name, "cql"))
842 cql_field = mp::xml::get_text(attr->children);
844 throw mp::filter::FilterException(
845 "Bad attribute " + std::string((const char *)
848 if (cql_field.length())
849 fieldmap[cql_field] = ccl_field;
851 else if (!strcmp((const char *) ptr->name, "contentProxy"))
853 const struct _xmlAttr *attr;
854 for (attr = ptr->properties; attr; attr = attr->next)
856 if (!strcmp((const char *) attr->name, "server"))
859 "contentProxy's server attribute is deprecated");
861 "Specify config_file instead. For example:");
863 " content_file=\"/etc/cf-proxy/cproxy.cfg\"");
864 content_proxy_server = mp::xml::get_text(attr->children);
866 else if (!strcmp((const char *) attr->name, "tmp_file"))
867 content_tmp_file = mp::xml::get_text(attr->children);
868 else if (!strcmp((const char *) attr->name, "config_file"))
869 content_config_file = mp::xml::get_text(attr->children);
871 throw mp::filter::FilterException(
872 "Bad attribute " + std::string((const char *)
876 else if (!strcmp((const char *) ptr->name, "log"))
878 const struct _xmlAttr *attr;
879 for (attr = ptr->properties; attr; attr = attr->next)
881 if (!strcmp((const char *) attr->name, "apdu"))
882 apdu_log = mp::xml::get_bool(attr->children, false);
884 throw mp::filter::FilterException(
885 "Bad attribute " + std::string((const char *)
889 else if (!strcmp((const char *) ptr->name, "zoom"))
891 const struct _xmlAttr *attr;
892 for (attr = ptr->properties; attr; attr = attr->next)
894 if (!strcmp((const char *) attr->name, "timeout"))
895 zoom_timeout = mp::xml::get_text(attr->children);
896 else if (!strcmp((const char *) attr->name, "proxy_timeout"))
897 proxy_timeout = mp::xml::get_int(attr->children, 1);
899 throw mp::filter::FilterException(
900 "Bad attribute " + std::string((const char *)
906 throw mp::filter::FilterException
908 + std::string((const char *) ptr->name)
909 + " in zoom filter");
913 if (explain_xslt_fname.length())
915 const char *path = 0;
918 path = xsldir.c_str();
920 path = file_path.c_str();
923 char *cp = yaz_filepath_resolve(explain_xslt_fname.c_str(),
927 throw mp::filter::FilterException
928 ("Cannot read XSLT " + explain_xslt_fname);
931 xmlDoc *xsp_doc = xmlParseFile(cp);
934 throw mp::filter::FilterException
935 ("Cannot parse XSLT " + explain_xslt_fname);
938 explain_xsp = xsltParseStylesheetDoc(xsp_doc);
942 throw mp::filter::FilterException
943 ("Cannot parse XSLT " + explain_xslt_fname);
948 if (record_xslt_fname.length())
950 const char *path = 0;
953 path = xsldir.c_str();
955 path = file_path.c_str();
958 char *cp = yaz_filepath_resolve(record_xslt_fname.c_str(),
962 throw mp::filter::FilterException
963 ("Cannot read XSLT " + record_xslt_fname);
966 xmlDoc *xsp_doc = xmlParseFile(cp);
969 throw mp::filter::FilterException
970 ("Cannot parse XSLT " + record_xslt_fname);
973 record_xsp = xsltParseStylesheetDoc(xsp_doc);
977 throw mp::filter::FilterException
978 ("Cannot parse XSLT " + record_xslt_fname);
984 bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
986 int *error, char **addinfo,
988 std::string authentication,
992 if (b->sptr->contentConnector.length())
994 std::string proxyhostname;
995 std::string tmp_file;
996 bool legacy_format = false;
998 if (m_p->content_proxy_server.length())
1000 proxyhostname = m_p->content_proxy_server;
1001 legacy_format = true;
1004 if (m_p->content_tmp_file.length())
1005 tmp_file = m_p->content_tmp_file;
1007 if (m_p->content_config_file.length())
1009 FILE *inf = fopen(m_p->content_config_file.c_str(), "r");
1013 while (fgets(buf, sizeof(buf)-1, inf))
1016 cp = strchr(buf, '#');
1019 cp = strchr(buf, '\n');
1022 cp = strchr(buf, ':');
1026 while (cp1 != buf && cp1[-1] == ' ')
1032 if (!strcmp(buf, "proxyhostname"))
1034 if (!strcmp(buf, "sessiondir") && *cp)
1036 if (cp[strlen(cp)-1] == '/')
1037 cp[strlen(cp)-1] = '\0';
1038 tmp_file = std::string(cp) + std::string("/cf.XXXXXX.p");
1046 package.log("zoom", YLOG_WARN|YLOG_ERRNO,
1047 "unable to open content config %s",
1048 m_p->content_config_file.c_str());
1049 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1050 *addinfo = (char *) odr_malloc(odr, 70 + tmp_file.length());
1051 sprintf(*addinfo, "zoom: unable to open content config %s",
1052 m_p->content_config_file.c_str());
1057 if (proxyhostname.length() == 0)
1059 package.log("zoom", YLOG_WARN, "no proxyhostname");
1062 if (tmp_file.length() == 0)
1064 package.log("zoom", YLOG_WARN, "no tmp_file");
1068 char *fname = xstrdup(tmp_file.c_str());
1069 char *xx = strstr(fname, "XXXXXX");
1072 package.log("zoom", YLOG_WARN, "bad tmp_file %s", tmp_file.c_str());
1073 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1074 *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
1075 sprintf(*addinfo, "zoom: bad format of content tmp_file: %s",
1080 char tmp_char = xx[6];
1081 sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
1083 b->cproxy_host = std::string(xx) + "." + proxyhostname;
1085 b->cproxy_host = proxyhostname + "/" + xx;
1088 FILE *file = fopen(fname, "w");
1091 package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
1092 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1093 *addinfo = (char *) odr_malloc(odr, 50 + strlen(fname));
1094 sprintf(*addinfo, "zoom: could not create %s", fname);
1099 wrbuf_puts(w, "#content_proxy\n");
1100 wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
1101 if (authentication.length())
1102 wrbuf_printf(w, "auth: %s\n", authentication.c_str());
1104 wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
1106 wrbuf_printf(w, "realm: %s\n", realm.c_str());
1108 fwrite(w.buf(), 1, w.len(), file);
1110 package.log("zoom", YLOG_LOG, "content file: %s", fname);
1116 yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
1117 mp::Package &package,
1118 std::string &database, int *error, char **addinfo, mp::odr &odr,
1121 bool connection_reuse = false;
1124 std::list<BackendPtr>::const_iterator map_it;
1125 if (m_backend && !m_backend->enable_explain &&
1126 m_backend->m_frontend_database == database)
1128 connection_reuse = true;
1129 proxy = m_backend->m_proxy;
1132 std::string input_args;
1133 std::string torus_db;
1134 size_t db_arg_pos = database.find(',');
1135 if (db_arg_pos != std::string::npos)
1137 torus_db = database.substr(0, db_arg_pos);
1138 input_args = database.substr(db_arg_pos + 1);
1141 torus_db = database;
1143 std::string content_proxy;
1144 std::string realm = session_realm;
1145 if (realm.length() == 0)
1146 realm = m_p->default_realm;
1148 const char *param_user = 0;
1149 const char *param_password = 0;
1150 const char *param_content_user = 0;
1151 const char *param_content_password = 0;
1152 const char *param_nocproxy = 0;
1153 const char *param_retry = 0;
1158 int no_out_args = 0;
1159 if (input_args.length())
1160 no_parms = yaz_uri_to_array(input_args.c_str(),
1161 odr, &names, &values);
1162 // adding 10 because we'll be adding other URL args
1163 const char **out_names = (const char **)
1164 odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
1165 const char **out_values = (const char **)
1166 odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
1168 // may be changed if it's a content connection
1169 std::string torus_url = m_p->torus_searchable_url;
1171 for (i = 0; i < no_parms; i++)
1173 const char *name = names[i];
1174 const char *value = values[i];
1177 if (!strcmp(name, "user"))
1179 else if (!strcmp(name, "password"))
1180 param_password = value;
1181 else if (!strcmp(name, "content-user"))
1182 param_content_user = value;
1183 else if (!strcmp(name, "content-password"))
1184 param_content_password = value;
1185 else if (!strcmp(name, "content-proxy"))
1186 content_proxy = value;
1187 else if (!strcmp(name, "nocproxy"))
1188 param_nocproxy = value;
1189 else if (!strcmp(name, "retry"))
1190 param_retry = value;
1191 else if (!strcmp(name, "proxy"))
1195 nmem_strsplit(((ODR) odr)->mem, ",", value, &dstr, &dnum);
1196 if (connection_reuse)
1198 // find the step after our current proxy
1200 for (i = 0; i < dnum; i++)
1201 if (!strcmp(proxy.c_str(), dstr[i]))
1206 *proxy_step = i + 1;
1210 // step is known.. Guess our proxy from it
1211 if (*proxy_step >= dnum)
1215 proxy = dstr[*proxy_step];
1218 if (*proxy_step == dnum)
1223 else if (!strcmp(name, "cproxysession"))
1225 out_names[no_out_args] = name;
1226 out_values[no_out_args++] = value;
1227 torus_url = m_p->torus_content_url;
1229 else if (!strcmp(name, "realm") && session_realm.length() == 0)
1231 else if (!strcmp(name, "torus_url") && session_realm.length() == 0)
1233 else if (name[0] == 'x' && name[1] == '-')
1235 out_names[no_out_args] = name;
1236 out_values[no_out_args++] = value;
1240 BackendPtr notfound;
1241 char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
1242 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1243 sprintf(msg, "zoom: bad database argument: %s", name);
1249 package.log("zoom", YLOG_LOG, "proxy: %s", proxy.c_str());
1251 if (connection_reuse)
1253 m_backend->connect("", error, addinfo, odr);
1257 if (torus_db.compare("IR-Explain---1") == 0)
1258 return explain_search(package, database, error, addinfo, odr, torus_url,
1263 std::map<std::string,SearchablePtr>::iterator it;
1264 it = m_p->s_map.find(torus_db);
1265 if (it != m_p->s_map.end())
1267 else if (torus_url.length() > 0)
1269 std::string torus_addinfo;
1270 std::string torus_query = "udb==" + torus_db;
1271 xmlDoc *doc = mp::get_searchable(package,torus_url, torus_db,
1277 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1278 if (torus_addinfo.length())
1279 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
1283 const xmlNode *ptr = xmlDocGetRootElement(doc);
1284 if (ptr && ptr->type == XML_ELEMENT_NODE)
1286 if (!strcmp((const char *) ptr->name, "record"))
1288 sptr = m_p->parse_torus_record(ptr);
1290 else if (!strcmp((const char *) ptr->name, "records"))
1292 for (ptr = ptr->children; ptr; ptr = ptr->next)
1294 if (ptr->type == XML_ELEMENT_NODE
1295 && !strcmp((const char *) ptr->name, "record"))
1299 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1301 odr_malloc(odr, 40 + torus_db.length());
1302 sprintf(*addinfo, "multiple records for udb=%s",
1308 sptr = m_p->parse_torus_record(ptr);
1314 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
1315 *addinfo = (char*) odr_malloc(
1316 odr, 40 + strlen((const char *) ptr->name));
1317 sprintf(*addinfo, "bad root element for torus: %s", ptr->name);
1328 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1329 *addinfo = odr_strdup(odr, torus_db.c_str());
1334 xsltStylesheetPtr xsp = 0;
1335 if (sptr->transform_xsl_content.length())
1337 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
1338 sptr->transform_xsl_content.length());
1341 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1342 *addinfo = odr_strdup(odr, "zoom: xmlParseMemory failed "
1343 "for literalTransform XSL");
1347 xsp = xsltParseStylesheetDoc(xsp_doc);
1350 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
1352 odr_strdup(odr,"zoom: xsltParseStylesheetDoc failed "
1353 "for literalTransform XSL");
1355 xmlFreeDoc(xsp_doc);
1359 else if (sptr->transform_xsl_fname.length())
1361 const char *path = 0;
1363 if (m_p->xsldir.length())
1364 path = m_p->xsldir.c_str();
1366 path = m_p->file_path.c_str();
1369 char fullpath[1024];
1370 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
1376 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1378 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
1379 sprintf(*addinfo, "zoom: could not open file %s",
1380 sptr->transform_xsl_fname.c_str());
1384 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
1387 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1388 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1389 sprintf(*addinfo, "zoom: xmlParseFile failed for file %s",
1394 xsp = xsltParseStylesheetDoc(xsp_doc);
1397 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1398 *addinfo = (char *) odr_malloc(odr, 50 + fname.length());
1399 sprintf(*addinfo, "zoom: xsltParseStylesheetDoc failed "
1400 "for file %s", fname.c_str());
1402 xmlFreeDoc(xsp_doc);
1407 cql_transform_t cqlt = 0;
1408 if (sptr->rpn2cql_fname.length())
1410 char fullpath[1024];
1411 char *cp = yaz_filepath_resolve(sptr->rpn2cql_fname.c_str(),
1412 m_p->file_path.c_str(), 0, fullpath);
1414 cqlt = cql_transform_open_fname(fullpath);
1417 cqlt = cql_transform_create();
1421 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
1422 *addinfo = odr_strdup(odr, "zoom: missing/invalid cql2rpn file");
1424 xsltFreeStylesheet(xsp);
1430 BackendPtr b(new Backend);
1435 b->m_frontend_database = database;
1436 b->enable_cproxy = param_nocproxy ? false : true;
1439 b->retry_on_failure = param_retry;
1441 b->retry_on_failure = b->sptr->retry_on_failure;
1443 if (sptr->query_encoding.length())
1444 b->set_option("rpnCharset", sptr->query_encoding);
1446 std::string extraArgs = sptr->extraArgs;
1448 b->set_option("timeout", m_p->zoom_timeout.c_str());
1451 b->set_option("apdulog", "1");
1453 if (sptr->piggyback && sptr->sru.length())
1454 b->set_option("count", "1"); /* some SRU servers INSIST on getting
1455 maximumRecords > 0 */
1456 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
1458 std::string authentication = sptr->authentication;
1461 authentication = std::string(param_user);
1463 authentication += "/" + std::string(param_password);
1465 std::string content_authentication = sptr->contentAuthentication;
1466 if (param_content_user)
1468 content_authentication = std::string(param_content_user);
1469 if (param_content_password)
1470 content_authentication += "/" + std::string(param_content_password);
1473 if (proxy.length() == 0)
1474 proxy = sptr->cfProxy;
1477 if (sptr->cfAuth.length())
1480 b->set_option("user", sptr->cfAuth);
1483 out_names[no_out_args] = "user";
1484 out_values[no_out_args++] = odr_strdup(odr, param_user);
1487 out_names[no_out_args] = "password";
1488 out_values[no_out_args++] = odr_strdup(odr, param_password);
1491 else if (authentication.length())
1493 size_t found = authentication.find('/');
1494 if (found != std::string::npos)
1496 out_names[no_out_args] = "user";
1497 out_values[no_out_args++] =
1498 odr_strdup(odr, authentication.substr(0, found).c_str());
1500 out_names[no_out_args] = "password";
1501 out_values[no_out_args++] =
1502 odr_strdup(odr, authentication.substr(found+1).c_str());
1506 out_names[no_out_args] = "user";
1507 out_values[no_out_args++] =
1508 odr_strdup(odr, authentication.c_str());
1513 out_names[no_out_args] = "proxy";
1514 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
1516 if (sptr->cfSubDB.length())
1518 out_names[no_out_args] = "subdatabase";
1519 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
1521 if (!param_nocproxy && b->sptr->contentConnector.length())
1522 param_nocproxy = "1";
1526 out_names[no_out_args] = "nocproxy";
1527 out_values[no_out_args++] = odr_strdup(odr, param_nocproxy);
1532 const char *auth = authentication.c_str();
1533 const char *cp1 = strchr(auth, ' ');
1534 if (!cp1 && sptr->sru.length())
1535 cp1 = strchr(auth, '/');
1538 /* Z39.50 user/password style, or no password for SRU */
1539 b->set_option("user", auth);
1543 /* now consider group as well */
1544 const char *cp2 = strchr(cp1 + 1, ' ');
1546 b->set_option("user", auth, cp1 - auth);
1548 b->set_option("password", cp1 + 1);
1551 b->set_option("group", cp1 + 1, cp2 - cp1 - 1);
1552 b->set_option("password", cp2 + 1);
1555 if (sptr->authenticationMode.length())
1556 b->set_option("authenticationMode", sptr->authenticationMode);
1558 b->set_option("proxy", proxy);
1560 if (extraArgs.length())
1561 b->set_option("extraArgs", extraArgs);
1563 std::string url(sptr->target);
1564 if (sptr->sru.length())
1566 b->set_option("sru", sptr->sru);
1567 if (url.find("://") == std::string::npos)
1568 url = "http://" + url;
1569 if (sptr->sru_version.length())
1570 b->set_option("sru_version", sptr->sru_version);
1575 out_names[no_out_args] = 0; // terminate list
1577 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1578 (char **) out_values);
1579 url += "," + std::string(x_args);
1581 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1582 b->connect(url, error, addinfo, odr);
1583 if (*error == 0 && b->enable_cproxy)
1584 create_content_session(package, b, error, addinfo, odr,
1585 content_authentication.length() ?
1586 content_authentication : authentication,
1587 content_proxy.length() ? content_proxy : proxy,
1594 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1595 Odr_oid *preferredRecordSyntax,
1596 const char *element_set_name,
1597 bool &enable_pz2_retrieval,
1598 bool &enable_pz2_transform,
1599 bool &enable_record_transform,
1600 bool &assume_marc8_charset)
1602 char oid_name_str[OID_STR_MAX];
1603 const char *syntax_name = 0;
1605 if (preferredRecordSyntax &&
1606 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
1608 if (element_set_name &&
1609 !strcmp(element_set_name, m_p->element_transform.c_str()))
1611 enable_pz2_retrieval = true;
1612 enable_pz2_transform = true;
1614 else if (element_set_name &&
1615 !strcmp(element_set_name, m_p->element_raw.c_str()))
1617 enable_pz2_retrieval = true;
1619 else if (m_p->record_xsp)
1621 enable_pz2_retrieval = true;
1622 enable_pz2_transform = true;
1623 enable_record_transform = true;
1627 if (enable_pz2_retrieval)
1629 std::string configured_request_syntax = b->sptr->request_syntax;
1630 if (configured_request_syntax.length())
1632 syntax_name = configured_request_syntax.c_str();
1633 const Odr_oid *syntax_oid =
1634 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1635 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1636 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1637 assume_marc8_charset = true;
1640 else if (preferredRecordSyntax)
1642 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1644 if (b->sptr->sru.length())
1645 syntax_name = "XML";
1647 b->set_option("preferredRecordSyntax", syntax_name);
1649 if (enable_pz2_retrieval)
1651 if (element_set_name && !strcmp(element_set_name,
1652 m_p->element_passthru.c_str()))
1656 element_set_name = 0;
1657 if (b->sptr->element_set.length())
1658 element_set_name = b->sptr->element_set.c_str();
1662 b->set_option("elementSetName", element_set_name);
1663 if (b->sptr->sru.length() && element_set_name)
1664 b->set_option("schema", element_set_name);
1667 Z_Records *yf::Zoom::Frontend::get_explain_records(
1668 mp::Package &package,
1670 Odr_int number_to_present,
1673 Odr_int *number_of_records_returned,
1676 Odr_oid *preferredRecordSyntax,
1677 const char *element_set_name)
1680 Z_Records *records = 0;
1682 if (!b->explain_doc)
1686 if (number_to_present > 10000)
1687 number_to_present = 10000;
1689 xmlNode *ptr = xmlDocGetRootElement(b->explain_doc);
1691 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1692 odr_malloc(odr, sizeof(*npl));
1693 npl->records = (Z_NamePlusRecord **)
1694 odr_malloc(odr, number_to_present * sizeof(*npl->records));
1696 for (i = 0; i < number_to_present; i++)
1699 xmlNode *res = xml_node_search(ptr, &num, start + i + 1);
1702 xmlBufferPtr xml_buf = xmlBufferCreate();
1703 xmlNode *tmp_node = xmlCopyNode(res->children, 1);
1704 xmlNodeDump(xml_buf, tmp_node->doc, tmp_node, 0, 0);
1706 Z_NamePlusRecord *npr =
1707 (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1708 npr->databaseName = odr_strdup(odr, b->m_frontend_database.c_str());
1709 npr->which = Z_NamePlusRecord_databaseRecord;
1710 npr->u.databaseRecord =
1711 z_ext_record_xml(odr,
1712 (const char *) xml_buf->content, xml_buf->use);
1713 npl->records[i] = npr;
1714 xmlFreeNode(tmp_node);
1715 xmlBufferFree(xml_buf);
1717 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1718 records->which = Z_Records_DBOSD;
1719 records->u.databaseOrSurDiagnostics = npl;
1721 npl->num_records = i;
1722 *number_of_records_returned = i;
1727 Z_Records *yf::Zoom::Frontend::get_records(mp::Package &package,
1729 Odr_int number_to_present,
1732 Odr_int *number_of_records_returned,
1735 Odr_oid *preferredRecordSyntax,
1736 const char *element_set_name)
1738 *number_of_records_returned = 0;
1739 Z_Records *records = 0;
1740 bool enable_pz2_retrieval = false; // whether target profile is used
1741 bool enable_pz2_transform = false; // whether XSLT is used as well
1742 bool assume_marc8_charset = false;
1743 bool enable_record_transform = false;
1745 prepare_elements(b, preferredRecordSyntax,
1747 enable_pz2_retrieval,
1748 enable_pz2_transform,
1749 enable_record_transform,
1750 assume_marc8_charset);
1752 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1753 enable_pz2_retrieval ? "yes" : "no",
1754 enable_pz2_transform ? "yes" : "no");
1756 if (start < 0 || number_to_present <=0)
1759 if (number_to_present > 10000)
1760 number_to_present = 10000;
1762 ZOOM_record *recs = (ZOOM_record *)
1763 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1765 b->present(start, number_to_present, recs, error, addinfo, odr);
1770 for (i = 0; i < number_to_present; i++)
1775 const char *addinfo;
1776 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1777 &addinfo, 0 /* diagset */);
1779 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS && addinfo &&
1781 "ZOOM C generated. Present phase and no records"))
1786 { // only return records if no error and at least one record
1788 const char *xsl_parms[3];
1789 mp::wrbuf cproxy_host;
1791 if (b->enable_cproxy && b->cproxy_host.length())
1793 wrbuf_puts(cproxy_host, "\"");
1794 wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
1795 wrbuf_puts(cproxy_host, "/\"");
1797 xsl_parms[0] = "cproxyhost";
1798 xsl_parms[1] = wrbuf_cstr(cproxy_host);
1806 char *odr_database = odr_strdup(odr,
1807 b->m_frontend_database.c_str());
1808 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1809 odr_malloc(odr, sizeof(*npl));
1810 *number_of_records_returned = i;
1811 npl->num_records = i;
1812 npl->records = (Z_NamePlusRecord **)
1813 odr_malloc(odr, i * sizeof(*npl->records));
1814 for (i = 0; i < npl->num_records; i++)
1816 Z_NamePlusRecord *npr = 0;
1817 const char *addinfo;
1819 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1820 &addinfo, 0 /* diagset */);
1824 log_diagnostic(package, sur_error, addinfo);
1825 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1828 else if (enable_pz2_retrieval)
1830 char rec_type_str[100];
1831 const char *record_encoding = 0;
1833 if (b->sptr->record_encoding.length())
1834 record_encoding = b->sptr->record_encoding.c_str();
1835 else if (assume_marc8_charset)
1836 record_encoding = "marc8";
1838 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1839 if (record_encoding)
1841 strcat(rec_type_str, "; charset=");
1842 strcat(rec_type_str, record_encoding);
1845 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1848 xmlChar *xmlrec_buf = 0;
1849 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1851 if (!rec_buf && !npr)
1853 std::string addinfo("ZOOM_record_get failed for type ");
1855 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1856 addinfo += rec_type_str;
1857 log_diagnostic(package, error, addinfo.c_str());
1858 npr = zget_surrogateDiagRec(odr, odr_database,
1859 error, addinfo.c_str());
1863 package.log_write(rec_buf, rec_len);
1864 package.log_write("\r\n", 2);
1867 if (rec_buf && b->xsp && enable_pz2_transform)
1869 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1872 const char *addinfo = "xml parse failed for record";
1873 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1874 log_diagnostic(package, error, addinfo);
1875 npr = zget_surrogateDiagRec(
1876 odr, odr_database, error, addinfo);
1880 // first stage XSLT - per target
1881 xsltStylesheetPtr xsp = b->xsp;
1882 xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
1884 // insert generated-url
1888 mp::xml::url_recipe_handle(rec_res,
1889 b->sptr->urlRecipe);
1892 xmlNode *ptr = xmlDocGetRootElement(rec_res);
1893 while (ptr && ptr->type != XML_ELEMENT_NODE)
1896 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1897 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1899 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1903 // second stage XSLT - common
1904 if (rec_res && m_p->record_xsp &&
1905 enable_record_transform)
1907 xmlDoc *tmp_doc = rec_res;
1909 xsp = m_p->record_xsp;
1910 rec_res = xsltApplyStylesheet(xsp, tmp_doc,
1912 xmlFreeDoc(tmp_doc);
1914 // get result out of it
1917 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1919 rec_buf = (const char *) xmlrec_buf;
1920 package.log_write(rec_buf, rec_len);
1922 xmlFreeDoc(rec_res);
1926 std::string addinfo;
1928 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1930 addinfo = "xslt apply failed for "
1931 + b->sptr->transform_xsl_fname;
1932 log_diagnostic(package, error, addinfo.c_str());
1933 npr = zget_surrogateDiagRec(
1934 odr, odr_database, error, addinfo.c_str());
1936 xmlFreeDoc(rec_doc);
1943 npr = zget_surrogateDiagRec(
1945 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1949 npr = (Z_NamePlusRecord *)
1950 odr_malloc(odr, sizeof(*npr));
1951 npr->databaseName = odr_database;
1952 npr->which = Z_NamePlusRecord_databaseRecord;
1953 npr->u.databaseRecord =
1954 z_ext_record_xml(odr, rec_buf, rec_len);
1958 xmlFree(xmlrec_buf);
1963 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1966 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1967 npr->databaseName = odr_database;
1968 npr->which = Z_NamePlusRecord_databaseRecord;
1969 npr->u.databaseRecord = ext;
1973 npr = zget_surrogateDiagRec(
1975 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1976 "ZOOM_record, type ext");
1979 npl->records[i] = npr;
1981 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1982 records->which = Z_Records_DBOSD;
1983 records->u.databaseOrSurDiagnostics = npl;
1988 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1991 struct cql_node *r = 0;
1999 std::map<std::string,std::string>::const_iterator it;
2000 it = fieldmap.find(cn->u.st.index);
2001 if (it == fieldmap.end())
2003 if (it->second.length())
2004 cn->u.st.index = odr_strdup(odr, it->second.c_str());
2010 r = convert_cql_fields(cn->u.boolean.left, odr);
2012 r = convert_cql_fields(cn->u.boolean.right, odr);
2015 r = convert_cql_fields(cn->u.sort.search, odr);
2021 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
2022 int error, const char *addinfo)
2024 const char *err_msg = yaz_diag_bib1_str(error);
2026 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
2027 error, err_msg, addinfo);
2029 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
2033 yf::Zoom::BackendPtr yf::Zoom::Frontend::explain_search(mp::Package &package,
2034 std::string &database,
2038 std::string torus_url,
2039 std::string &torus_db,
2044 BackendPtr b(new Backend);
2046 b->m_frontend_database = database;
2047 b->enable_explain = true;
2049 Z_GDU *gdu = package.request().get();
2050 Z_APDU *apdu_req = gdu->u.z3950;
2051 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2052 Z_Query *query = sr->query;
2054 if (!m_p->explain_xsp)
2056 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2058 odr_strdup(odr, "IR-Explain---1 unsupported. "
2059 "Torus explain_xsl not defined");
2062 else if (query->which == Z_Query_type_104 &&
2063 query->u.type_104->which == Z_External_CQL)
2065 std::string torus_addinfo;
2066 std::string torus_query(query->u.type_104->u.cql);
2067 xmlDoc *doc = mp::get_searchable(package, torus_url, "",
2071 if (m_p->explain_xsp)
2073 xmlDoc *rec_res = xsltApplyStylesheet(m_p->explain_xsp, doc, 0);
2080 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
2081 if (torus_addinfo.length())
2082 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2086 xmlNode *ptr = xmlDocGetRootElement(doc);
2089 xml_node_search(ptr, &hits, 0);
2091 Z_APDU *apdu_res = odr.create_searchResponse(apdu_req, 0, 0);
2092 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2093 package.response() = apdu_res;
2097 xmlFreeDoc(b->explain_doc);
2098 b->explain_doc = doc;
2103 *error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2104 *addinfo = odr_strdup(odr, "IR-Explain---1 only supports CQL");
2109 static bool wait_conn(COMSTACK cs, int secs)
2111 struct yaz_poll_fd pfd;
2113 yaz_poll_add(pfd.input_mask, yaz_poll_except);
2114 if (cs->io_pending & CS_WANT_WRITE)
2115 yaz_poll_add(pfd.input_mask, yaz_poll_write);
2116 if (cs->io_pending & CS_WANT_READ)
2117 yaz_poll_add(pfd.input_mask, yaz_poll_read);
2119 pfd.fd = cs_fileno(cs);
2120 pfd.client_data = 0;
2122 int ret = yaz_poll(&pfd, 1, secs, 0);
2126 bool yf::Zoom::Impl::check_proxy(const char *proxy)
2129 const char *uri = "http://localhost/";
2132 bool outcome = false;
2133 conn = cs_create_host_proxy(uri, 0, &add, proxy);
2138 Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
2139 gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
2141 if (z_GDU(odr, &gdu, 0, 0))
2144 char *buf = odr_getbuf(odr, &len, 0);
2146 int ret = cs_connect(conn, add);
2147 if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
2151 ret = cs_put(conn, buf, len);
2154 if (!wait_conn(conn, proxy_timeout))
2165 bool yf::Zoom::Frontend::retry(mp::Package &package,
2168 int &error, char **addinfo,
2169 int &proxy_step, int &same_retries,
2172 if (b && b->m_proxy.length() && !m_p->check_proxy(b->m_proxy.c_str()))
2174 log_diagnostic(package, error, *addinfo);
2175 package.log("zoom", YLOG_LOG, "proxy %s fails", b->m_proxy.c_str());
2177 if (proxy_step) // there is a failover
2180 package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
2183 error = YAZ_BIB1_PROXY_FAILURE;
2184 *addinfo = odr_strdup(odr, b->m_proxy.c_str());
2186 else if (b && b->retry_on_failure.compare("0")
2187 && same_retries == 0 && proxy_retries == 0)
2189 log_diagnostic(package, error, *addinfo);
2191 package.log("zoom", YLOG_WARN, "search failed: retry");
2199 void yf::Zoom::Frontend::handle_search(mp::Package &package)
2201 Z_GDU *gdu = package.request().get();
2202 Z_APDU *apdu_req = gdu->u.z3950;
2203 Z_APDU *apdu_res = 0;
2205 Z_SearchRequest *sr = apdu_req->u.searchRequest;
2206 if (sr->num_databaseNames != 1)
2208 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
2209 log_diagnostic(package, error, 0);
2210 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
2211 package.response() = apdu_res;
2215 int same_retries = 0;
2216 int proxy_retries = 0;
2222 std::string db(sr->databaseNames[0]);
2224 BackendPtr b = get_backend_from_databases(package, db, &error,
2225 &addinfo, odr, &proxy_step);
2228 if (retry(package, odr, b, error, &addinfo, proxy_step,
2229 same_retries, proxy_retries))
2234 log_diagnostic(package, error, addinfo);
2235 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2236 package.response() = apdu_res;
2239 if (!b || b->enable_explain)
2242 b->set_option("setname", "default");
2244 bool enable_pz2_retrieval = false;
2245 bool enable_pz2_transform = false;
2246 bool enable_record_transform = false;
2247 bool assume_marc8_charset = false;
2248 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
2249 enable_pz2_retrieval,
2250 enable_pz2_transform,
2251 enable_record_transform,
2252 assume_marc8_charset);
2255 Z_Query *query = sr->query;
2256 mp::wrbuf ccl_wrbuf;
2257 mp::wrbuf pqf_wrbuf;
2258 std::string sortkeys;
2260 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
2263 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
2265 else if (query->which == Z_Query_type_2)
2268 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
2269 query->u.type_2->len);
2271 else if (query->which == Z_Query_type_104 &&
2272 query->u.type_104->which == Z_External_CQL)
2275 const char *cql = query->u.type_104->u.cql;
2276 CQL_parser cp = cql_parser_create();
2277 int r = cql_parser_string(cp, cql);
2278 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
2281 cql_parser_destroy(cp);
2282 error = YAZ_BIB1_MALFORMED_QUERY;
2283 const char *addinfo = "CQL syntax error";
2284 log_diagnostic(package, error, addinfo);
2286 odr.create_searchResponse(apdu_req, error, addinfo);
2287 package.response() = apdu_res;
2290 struct cql_node *cn = cql_parser_result(cp);
2291 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
2294 // hopefully we are getting a ptr to a index+relation+term node
2295 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
2297 if (cn_error->which == CQL_NODE_ST)
2298 addinfo = cn_error->u.st.index;
2300 log_diagnostic(package, error, addinfo);
2301 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2302 package.response() = apdu_res;
2303 cql_parser_destroy(cp);
2306 r = cql_to_ccl(cn, wrbuf_vp_puts, ccl_wrbuf);
2309 error = YAZ_BIB1_MALFORMED_QUERY;
2310 const char *addinfo = "CQL to CCL conversion error";
2312 log_diagnostic(package, error, addinfo);
2313 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2314 package.response() = apdu_res;
2315 cql_parser_destroy(cp);
2319 mp::wrbuf sru_sortkeys_wrbuf;
2320 if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
2322 error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
2323 const char *addinfo = "CQL to CCL sortby conversion";
2325 log_diagnostic(package, error, addinfo);
2326 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2327 package.response() = apdu_res;
2328 cql_parser_destroy(cp);
2331 mp::wrbuf sort_spec_wrbuf;
2332 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
2334 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
2335 yaz_tok_parse_t tp =
2336 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
2337 yaz_tok_cfg_destroy(tc);
2339 /* go through sortspec and map fields */
2340 int token = yaz_tok_move(tp);
2341 while (token != YAZ_TOK_EOF)
2343 if (token == YAZ_TOK_STRING)
2345 const char *field = yaz_tok_parse_string(tp);
2346 std::map<std::string,std::string>::iterator it;
2347 it = b->sptr->sortmap.find(field);
2348 if (it != b->sptr->sortmap.end())
2349 sortkeys += it->second;
2354 token = yaz_tok_move(tp);
2355 if (token == YAZ_TOK_STRING)
2357 sortkeys += yaz_tok_parse_string(tp);
2359 if (token != YAZ_TOK_EOF)
2362 token = yaz_tok_move(tp);
2365 yaz_tok_parse_destroy(tp);
2366 cql_parser_destroy(cp);
2370 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
2371 const char *addinfo = 0;
2372 log_diagnostic(package, error, addinfo);
2373 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2374 package.response() = apdu_res;
2378 if (ccl_wrbuf.len())
2381 assert(pqf_wrbuf.len() == 0);
2383 struct ccl_rpn_node *cn;
2384 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
2385 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
2389 char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
2390 error = YAZ_BIB1_MALFORMED_QUERY;
2394 case CCL_ERR_UNKNOWN_QUAL:
2395 case CCL_ERR_TRUNC_NOT_LEFT:
2396 case CCL_ERR_TRUNC_NOT_RIGHT:
2397 case CCL_ERR_TRUNC_NOT_BOTH:
2398 #ifdef CCL_ERR_TRUNC_NOT_EMBED
2399 case CCL_ERR_TRUNC_NOT_EMBED:
2401 #ifdef CCL_ERR_TRUNC_NOT_SINGLE
2402 case CCL_ERR_TRUNC_NOT_SINGLE:
2404 error = YAZ_BIB1_UNSUPP_SEARCH;
2407 log_diagnostic(package, error, addinfo);
2408 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2409 package.response() = apdu_res;
2412 ccl_pquery(pqf_wrbuf, cn);
2413 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
2417 assert(pqf_wrbuf.len());
2419 ZOOM_query q = ZOOM_query_create();
2420 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
2422 Z_FacetList *fl = 0;
2424 // Facets for request.. And later for reponse
2426 fl = yaz_oi_get_facetlist(&sr->otherInfo);
2428 fl = yaz_oi_get_facetlist(&sr->additionalSearchInfo);
2430 if (b->get_option("sru"))
2433 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
2435 mp::wrbuf wrb_addinfo;
2437 if (!strcmp(b->get_option("sru"), "solr"))
2438 error = solr_transform_rpn2solr_stream_r(b->cqlt, wrb_addinfo,
2439 wrbuf_vp_puts, wrb_cql,
2442 error = cql_transform_rpn2cql_stream_r(b->cqlt, wrb_addinfo,
2443 wrbuf_vp_puts, wrb_cql,
2447 log_diagnostic(package, error, wrb_addinfo.c_str_null());
2448 apdu_res = odr.create_searchResponse(apdu_req, error,
2449 wrb_addinfo.c_str_null());
2450 package.response() = apdu_res;
2453 ZOOM_query_cql(q, wrb_cql.c_str());
2454 package.log("zoom", YLOG_LOG, "search CQL: %s", wrb_cql.c_str());
2455 b->search(q, &hits, &error, &addinfo, &fl, odr);
2456 ZOOM_query_destroy(q);
2460 ZOOM_query_prefix(q, pqf_wrbuf.c_str());
2461 package.log("zoom", YLOG_LOG, "search PQF: %s", pqf_wrbuf.c_str());
2462 b->search(q, &hits, &error, &addinfo, &fl, odr);
2463 ZOOM_query_destroy(q);
2468 if (retry(package, odr, b, error, &addinfo, proxy_step,
2469 same_retries, proxy_retries))
2473 const char *element_set_name = 0;
2474 Odr_int number_to_present = 0;
2476 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
2478 Odr_int number_of_records_returned = 0;
2479 Z_Records *records = get_records(
2481 0, number_to_present, &error, &addinfo,
2482 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
2485 log_diagnostic(package, error, addinfo);
2486 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
2489 apdu_res->u.searchResponse->records = records;
2490 apdu_res->u.searchResponse->numberOfRecordsReturned =
2491 odr_intdup(odr, number_of_records_returned);
2493 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
2495 yaz_oi_set_facetlist(&apdu_res->u.searchResponse->additionalSearchInfo,
2497 package.response() = apdu_res;
2500 void yf::Zoom::Frontend::handle_present(mp::Package &package)
2502 Z_GDU *gdu = package.request().get();
2503 Z_APDU *apdu_req = gdu->u.z3950;
2504 Z_APDU *apdu_res = 0;
2505 Z_PresentRequest *pr = apdu_req->u.presentRequest;
2510 package.response() = odr.create_presentResponse(
2511 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
2514 const char *element_set_name = 0;
2515 Z_RecordComposition *comp = pr->recordComposition;
2516 if (comp && comp->which != Z_RecordComp_simple)
2518 package.response() = odr.create_presentResponse(
2520 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
2523 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
2524 element_set_name = comp->u.simple->u.generic;
2525 Odr_int number_of_records_returned = 0;
2529 if (m_backend->enable_explain)
2531 Z_Records *records =
2532 get_explain_records(
2534 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2535 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2536 pr->preferredRecordSyntax, element_set_name);
2538 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2541 apdu_res->u.presentResponse->records = records;
2542 apdu_res->u.presentResponse->numberOfRecordsReturned =
2543 odr_intdup(odr, number_of_records_returned);
2545 package.response() = apdu_res;
2549 Z_Records *records =
2550 get_records(package,
2551 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
2552 &error, &addinfo, &number_of_records_returned, odr, m_backend,
2553 pr->preferredRecordSyntax, element_set_name);
2555 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
2558 apdu_res->u.presentResponse->records = records;
2559 apdu_res->u.presentResponse->numberOfRecordsReturned =
2560 odr_intdup(odr, number_of_records_returned);
2562 package.response() = apdu_res;
2566 void yf::Zoom::Frontend::handle_package(mp::Package &package)
2568 Z_GDU *gdu = package.request().get();
2571 else if (gdu->which == Z_GDU_Z3950)
2573 Z_APDU *apdu_req = gdu->u.z3950;
2576 wrbuf_rewind(m_backend->m_apdu_wrbuf);
2577 if (apdu_req->which == Z_APDU_initRequest)
2580 package.response() = odr.create_close(
2582 Z_Close_protocolError,
2585 else if (apdu_req->which == Z_APDU_searchRequest)
2587 handle_search(package);
2589 else if (apdu_req->which == Z_APDU_presentRequest)
2591 handle_present(package);
2596 package.response() = odr.create_close(
2598 Z_Close_protocolError,
2599 "zoom filter cannot handle this APDU");
2600 package.session().close();
2604 WRBUF w = m_backend->m_apdu_wrbuf;
2605 package.log_write(wrbuf_buf(w), wrbuf_len(w));
2610 package.session().close();
2614 std::string escape_cql_term(std::string inp)
2617 size_t l = inp.length();
2619 for (i = 0; i < l; i++)
2621 if (strchr("*?^\"", inp[i]))
2628 void yf::Zoom::Frontend::auth(mp::Package &package, Z_InitRequest *req,
2629 int *error, char **addinfo, ODR odr)
2631 if (m_p->torus_auth_url.length() == 0)
2635 std::string password;
2636 if (req->idAuthentication)
2638 Z_IdAuthentication *auth = req->idAuthentication;
2639 switch (auth->which)
2641 case Z_IdAuthentication_open:
2644 const char *cp = strchr(auth->u.open, '/');
2647 user.assign(auth->u.open, cp - auth->u.open);
2648 password.assign(cp + 1);
2652 case Z_IdAuthentication_idPass:
2653 if (auth->u.idPass->userId)
2654 user.assign(auth->u.idPass->userId);
2655 if (auth->u.idPass->password)
2656 password.assign(auth->u.idPass->password);
2661 Z_OtherInformation **oi = &req->otherInfo;
2662 const char *ip_cstr =
2663 yaz_oi_get_string_oid(oi, yaz_oid_userinfo_client_ip, 1, 0);
2668 ip = package.origin().get_address();
2670 yaz_log(YLOG_LOG, "IP=%s", ip.c_str());
2673 NMEM nmem = nmem_create();
2676 nmem_strsplit_blank(nmem, m_p->torus_allow_ip.c_str(), &darray, &num);
2677 for (i = 0; i < num; i++)
2679 yaz_log(YLOG_LOG, "check against %s+%s", darray[i], ip.c_str());
2680 if (yaz_match_glob(darray[i], ip.c_str()))
2685 return; /* allow this IP */
2687 std::string torus_query;
2690 if (user.length() && password.length())
2692 torus_query = "userName==\"" + escape_cql_term(user) +
2693 "\" and password==\"" + escape_cql_term(password) + "\"";
2694 failure_code = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
2698 torus_query = "ipRanges encloses/net.ipaddress \"";
2699 torus_query += escape_cql_term(std::string(ip));
2700 torus_query += "\"";
2702 if (m_p->torus_auth_hostname.length())
2704 torus_query += " AND hostName == \"";
2705 torus_query += escape_cql_term(m_p->torus_auth_hostname);
2706 torus_query += "\"";
2708 failure_code = YAZ_BIB1_INIT_AC_BLOCKED_NETWORK_ADDRESS;
2711 std::string dummy_db;
2712 std::string dummy_realm;
2713 std::string torus_addinfo;
2714 xmlDoc *doc = mp::get_searchable(package, m_p->torus_auth_url, dummy_db,
2715 torus_query, dummy_realm, m_p->proxy,
2719 // something fundamental broken in lookup.
2720 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
2721 if (torus_addinfo.length())
2722 *addinfo = odr_strdup(odr, torus_addinfo.c_str());
2725 const xmlNode *ptr = xmlDocGetRootElement(doc);
2726 if (ptr && ptr->type == XML_ELEMENT_NODE)
2728 if (strcmp((const char *) ptr->name, "records") == 0)
2730 ptr = ptr->children;
2731 while (ptr && ptr->type != XML_ELEMENT_NODE)
2734 if (ptr && strcmp((const char *) ptr->name, "record") == 0)
2736 ptr = ptr->children;
2737 while (ptr && ptr->type != XML_ELEMENT_NODE)
2740 if (ptr && strcmp((const char *) ptr->name, "layer") == 0)
2742 ptr = ptr->children;
2743 while (ptr && ptr->type != XML_ELEMENT_NODE)
2748 if (ptr && ptr->type == XML_ELEMENT_NODE &&
2749 !strcmp((const char *) ptr->name, "identityId"))
2756 *error = failure_code;
2759 session_realm = mp::xml::get_text(ptr);
2762 void yf::Zoom::Impl::process(mp::Package &package)
2764 FrontendPtr f = get_frontend(package);
2765 Z_GDU *gdu = package.request().get();
2767 if (f->m_is_virtual)
2769 f->handle_package(package);
2771 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
2774 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
2775 f->m_init_gdu = gdu;
2778 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
2779 Z_InitResponse *resp = apdu->u.initResponse;
2782 static const int masks[] = {
2787 for (i = 0; masks[i] != -1; i++)
2788 if (ODR_MASK_GET(req->options, masks[i]))
2789 ODR_MASK_SET(resp->options, masks[i]);
2791 static const int versions[] = {
2792 Z_ProtocolVersion_1,
2793 Z_ProtocolVersion_2,
2794 Z_ProtocolVersion_3,
2797 for (i = 0; versions[i] != -1; i++)
2798 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
2799 ODR_MASK_SET(resp->protocolVersion, versions[i]);
2803 *resp->preferredMessageSize = *req->preferredMessageSize;
2804 *resp->maximumRecordSize = *req->maximumRecordSize;
2808 f->auth(package, req, &error, &addinfo, odr);
2811 resp->userInformationField =
2812 zget_init_diagnostics(odr, error, addinfo);
2814 package.session().close();
2817 f->m_is_virtual = true;
2818 package.response() = apdu;
2823 release_frontend(package);
2827 static mp::filter::Base* filter_creator()
2829 return new mp::filter::Zoom;
2833 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
2844 * c-file-style: "Stroustrup"
2845 * indent-tabs-mode: nil
2847 * vim: shiftwidth=4 tabstop=8 expandtab