X-Git-Url: http://git.indexdata.com/?p=yazpp-moved-to-github.git;a=blobdiff_plain;f=src%2Fyaz-proxy.cpp;h=4e978761e04276ab2ab006666e0f06bdbdf908da;hp=a4257a371c771430dbaa3c1170c30fbd438f89ee;hb=265587c6b7c73ef7a502803b54395ef847eb03f2;hpb=bc05c522e728c4772ef3ed268fc3aca0b2e1f1e4 diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp index a4257a3..4e97876 100644 --- a/src/yaz-proxy.cpp +++ b/src/yaz-proxy.cpp @@ -2,7 +2,7 @@ * Copyright (c) 1998-2003, Index Data. * See the file LICENSE for details. * - * $Id: yaz-proxy.cpp,v 1.74 2003-12-22 19:01:34 adam Exp $ + * $Id: yaz-proxy.cpp,v 1.75 2004-01-05 09:31:09 adam Exp $ */ #include @@ -16,6 +16,11 @@ #include #include +#if HAVE_XSLT +#include +#include +#endif + static const char *apdu_name(Z_APDU *apdu) { switch (apdu->which) @@ -101,6 +106,7 @@ Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, m_invalid_session = 0; m_config = 0; m_marcxml_flag = 0; + m_stylesheet = 0; m_initRequest_apdu = 0; m_initRequest_mem = 0; m_apdu_invalid_session = 0; @@ -128,6 +134,7 @@ Yaz_Proxy::~Yaz_Proxy() xfree (m_default_target); xfree (m_proxy_authentication); xfree (m_optimize); + xfree (m_stylesheet); if (m_s2z_odr_init) odr_destroy(m_s2z_odr_init); if (m_s2z_odr_search) @@ -572,6 +579,44 @@ void Yaz_Proxy::display_diagrecs(Z_DiagRec **pp, int num) } } +void Yaz_Proxy::convert_xsl(Z_NamePlusRecordList *p) +{ + if (!m_stylesheet) + return; + xmlDocPtr xslt_doc = xmlParseFile(m_stylesheet); + xsltStylesheetPtr xsp; + + xsp = xsltParseStylesheetDoc(xslt_doc); + + int i; + for (i = 0; i < p->num_records; i++) + { + Z_NamePlusRecord *npr = p->records[i]; + if (npr->which == Z_NamePlusRecord_databaseRecord) + { + Z_External *r = npr->u.databaseRecord; + if (r->which == Z_External_octet) + { + xmlDocPtr res, doc = xmlParseMemory( + (char*) r->u.octet_aligned->buf, + r->u.octet_aligned->len); + + res = xsltApplyStylesheet(xsp, doc, 0); + + xmlChar *out_buf; + int out_len; + xmlDocDumpMemory (res, &out_buf, &out_len); + p->records[i]->u.databaseRecord = + z_ext_record(odr_encode(), VAL_TEXT_XML, + (char*) out_buf, out_len); + xmlFreeDoc(doc); + xmlFreeDoc(res); + } + } + } + xsltFreeStylesheet(xsp); +} + void Yaz_Proxy::convert_to_marcxml(Z_NamePlusRecordList *p) { int i; @@ -682,7 +727,7 @@ int Yaz_Proxy::send_srw_response(Z_SRW_PDU *srw_pdu) z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive"); static Z_SOAP_Handler soap_handlers[2] = { -#if HAVE_XML2 +#if HAVE_XSLT {"http://www.loc.gov/zing/srw/", 0, (Z_SOAP_fun) yaz_srw_codec}, #endif @@ -900,8 +945,12 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) } else { - if (m_marcxml_flag && p && p->which == Z_Records_DBOSD) - convert_to_marcxml(p->u.databaseOrSurDiagnostics); + if (p && p->which == Z_Records_DBOSD) + { + if (m_marcxml_flag) + convert_to_marcxml(p->u.databaseOrSurDiagnostics); + convert_xsl(p->u.databaseOrSurDiagnostics); + } if (sr->resultCount) { yaz_log(LOG_LOG, "%s%d hits", m_session_str, @@ -932,8 +981,12 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) *sr->presentStatus = Z_PresentStatus_failure; display_diagrecs(&dr_p, 1); } - if (m_marcxml_flag && p && p->which == Z_Records_DBOSD) - convert_to_marcxml(p->u.databaseOrSurDiagnostics); + if (p && p->which == Z_Records_DBOSD) + { + if (m_marcxml_flag) + convert_to_marcxml(p->u.databaseOrSurDiagnostics); + convert_xsl(p->u.databaseOrSurDiagnostics); + } } int r = send_PDU_convert(apdu, &len); if (r) @@ -1365,17 +1418,24 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) int err = 0; char *addinfo = 0; Yaz_ProxyConfig *cfg = check_reconfigure(); - + + Z_RecordComposition rc_temp, *rc = 0; + if (sr->smallSetElementSetNames) + { + rc_temp.which = Z_RecordComp_simple; + rc_temp.u.simple = sr->smallSetElementSetNames; + rc = &rc_temp; + } + if (cfg) err = cfg->check_syntax(odr_encode(), m_default_target, - sr->preferredRecordSyntax, - &addinfo); + sr->preferredRecordSyntax, rc, + &addinfo, &m_stylesheet); if (err == -1) { sr->preferredRecordSyntax = - yaz_oidval_to_z3950oid(odr_decode(), CLASS_RECSYN, - VAL_USMARC); + yaz_oidval_to_z3950oid(odr_encode(), CLASS_RECSYN, VAL_USMARC); m_marcxml_flag = 1; } else if (err) @@ -1402,12 +1462,12 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) if (cfg) err = cfg->check_syntax(odr_encode(), m_default_target, pr->preferredRecordSyntax, - &addinfo); + pr->recordComposition, + &addinfo, &m_stylesheet); if (err == -1) { pr->preferredRecordSyntax = - yaz_oidval_to_z3950oid(odr_decode(), CLASS_RECSYN, - VAL_USMARC); + yaz_oidval_to_z3950oid(odr_decode(), CLASS_RECSYN, VAL_USMARC); m_marcxml_flag = 1; } else if (err) @@ -1428,10 +1488,20 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) return apdu; } +Z_ElementSetNames *Yaz_Proxy::mk_esn_from_schema(ODR o, const char *schema) +{ + if (!schema) + return 0; + Z_ElementSetNames *esn = (Z_ElementSetNames *) + odr_malloc(o, sizeof(Z_ElementSetNames)); + esn->which = Z_ElementSetNames_generic; + esn->u.generic = odr_strdup(o, schema); + return esn; +} + void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) { - Z_SRW_PDU *srw_pdu = 0; - char *soap_ns = 0; + if (m_s2z_odr_init) { odr_destroy(m_s2z_odr_init); @@ -1464,12 +1534,17 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) m_http_version = "1.1"; } - if (yaz_check_for_srw(hreq, &srw_pdu, &soap_ns, odr_decode()) == 0 - || yaz_check_for_sru(hreq, &srw_pdu, &soap_ns, odr_decode()) == 0) + Z_SRW_PDU *srw_pdu = 0; + Z_SOAP *soap_package = 0; + char *charset = 0; + if (yaz_srw_decode(hreq, &srw_pdu, &soap_package, odr_decode(), + &charset) == 0 + || yaz_sru_decode(hreq, &srw_pdu, &soap_package, odr_decode(), + &charset) == 0) { m_s2z_odr_init = odr_createmem(ODR_ENCODE); m_s2z_odr_search = odr_createmem(ODR_ENCODE); - m_soap_ns = odr_strdup(m_s2z_odr_search, soap_ns); + m_soap_ns = odr_strdup(m_s2z_odr_search, soap_package->ns); m_s2z_init_apdu = 0; m_s2z_search_apdu = 0; m_s2z_present_apdu = 0; @@ -1561,9 +1636,17 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) *z_searchRequest->smallSetUpperBound = max; *z_searchRequest->mediumSetPresentNumber = max; *z_searchRequest->largeSetLowerBound = 2000000000; // 2e9 + z_searchRequest->preferredRecordSyntax = yaz_oidval_to_z3950oid(m_s2z_odr_search, CLASS_RECSYN, VAL_TEXT_XML); + if (srw_req->recordSchema) + { + z_searchRequest->smallSetElementSetNames = + z_searchRequest->mediumSetElementSetNames = + mk_esn_from_schema(m_s2z_odr_search, + srw_req->recordSchema); + } } else // Z39.50 present { @@ -1576,6 +1659,18 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) z_presentRequest->preferredRecordSyntax = yaz_oidval_to_z3950oid(m_s2z_odr_search, CLASS_RECSYN, VAL_TEXT_XML); + z_presentRequest->recordComposition = + (Z_RecordComposition *) + odr_malloc(m_s2z_odr_search, + sizeof(Z_RecordComposition)); + if (srw_req->recordSchema) + { + z_presentRequest->recordComposition->which = + Z_RecordComp_simple; + z_presentRequest->recordComposition->u.simple = + mk_esn_from_schema(m_s2z_odr_search, + srw_req->recordSchema); + } } } if (!m_client)