zoom: new TARGET profile setting: SRUVersion
[metaproxy-moved-to-github.git] / src / filter_zoom.cpp
index 2858951..3fd7e04 100644 (file)
@@ -59,11 +59,12 @@ namespace metaproxy_1 {
             std::string authentication;
             std::string cfAuth;
             std::string cfProxy;
-            std::string cfSubDb;
+            std::string cfSubDB;
             std::string udb;
             std::string target;
             std::string query_encoding;
             std::string sru;
+            std::string sru_version;
             std::string request_syntax;
             std::string element_set;
             std::string record_encoding;
@@ -157,6 +158,7 @@ namespace metaproxy_1 {
             boost::mutex m_mutex;
             boost::condition m_cond_session_ready;
             std::string torus_url;
+            std::string default_realm;
             std::map<std::string,std::string> fieldmap;
             std::string xsldir;
             std::string file_path;
@@ -403,9 +405,9 @@ yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
             s->cfProxy = mp::xml::get_text(ptr);
         }  
         else if (!strcmp((const char *) ptr->name,
-                         "cfSubDb"))
+                         "cfSubDB"))
         {
-            s->cfSubDb = mp::xml::get_text(ptr);
+            s->cfSubDB = mp::xml::get_text(ptr);
         }  
         else if (!strcmp((const char *) ptr->name,
                          "contentConnector"))
@@ -424,6 +426,10 @@ yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
         {
             s->sru = mp::xml::get_text(ptr);
         }
+        else if (!strcmp((const char *) ptr->name, "SRUVersion"))
+        {
+            s->sru_version = mp::xml::get_text(ptr);
+        }
         else if (!strcmp((const char *) ptr->name,
                          "queryEncoding"))
         {
@@ -558,6 +564,8 @@ void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
             {
                 if (!strcmp((const char *) attr->name, "url"))
                     torus_url = mp::xml::get_text(attr->children);
+                else if (!strcmp((const char *) attr->name, "realm"))
+                    default_realm = mp::xml::get_text(attr->children);
                 else if (!strcmp((const char *) attr->name, "xsldir"))
                     xsldir = mp::xml::get_text(attr->children);
                 else if (!strcmp((const char *) attr->name, "element_transform"))
@@ -643,17 +651,78 @@ yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
     if (m_backend && m_backend->m_frontend_database == database)
         return m_backend;
 
-    std::string db_args;
+    std::string input_args;
     std::string torus_db;
     size_t db_arg_pos = database.find(',');
     if (db_arg_pos != std::string::npos)
     {
         torus_db = database.substr(0, db_arg_pos);
-        db_args = database.substr(db_arg_pos + 1);
+        input_args = database.substr(db_arg_pos + 1);
     }
     else
         torus_db = database;
+
+    std::string authentication;
+    std::string proxy;
+    std::string realm = m_p->default_realm;
+
+    const char *param_user = 0;
+    const char *param_password = 0;
+    int no_parms = 0;
+
+    char **names;
+    char **values;
+    int no_out_args = 0;
+    if (input_args.length())
+        no_parms = yaz_uri_to_array(input_args.c_str(),
+                                    odr, &names, &values);
+    // adding 10 because we'll be adding other URL args
+    const char **out_names = (const char **)
+        odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
+    const char **out_values = (const char **)
+        odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
+    
+    int i;
+    for (i = 0; i < no_parms; i++)
+    {
+        const char *name = names[i];
+        const char *value = values[i];
+        assert(name);
+        assert(value);
+        if (!strcmp(name, "user"))
+            param_user = value;
+        else if (!strcmp(name, "password"))
+            param_password = value;
+        else if (!strcmp(name, "proxy"))
+            proxy = value;
+        else if (!strcmp(name, "cproxysession"))
+        {
+            out_names[no_out_args] = name;
+            out_values[no_out_args++] = value;
+        }
+        else if (!strcmp(name, "realm"))
+            realm = value;
+        else if (name[0] == 'x' && name[1] == '-')
+        {
+            out_names[no_out_args] = name;
+            out_values[no_out_args++] = value;
+        }
+        else
+        {
+            BackendPtr notfound;
+            char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
+            *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+            sprintf(msg, "Bad database argument: %s", name);
+            *addinfo = msg;
+            return notfound;
+        }
+    }
+    if (param_user)
+    {
+        authentication = std::string(param_user);
+        if (param_password)
+            authentication += "/" + std::string(param_password);
+    }
     SearchablePtr sptr;
 
     std::map<std::string,SearchablePtr>::iterator it;
@@ -662,7 +731,8 @@ yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
         sptr = it->second;
     else if (m_p->torus_url.length() > 0)
     {
-        xmlDoc *doc = mp::get_searchable(m_p->torus_url, torus_db, m_p->proxy);
+        xmlDoc *doc = mp::get_searchable(m_p->torus_url, torus_db, realm,
+                                         m_p->proxy);
         if (!doc)
         {
             *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
@@ -792,92 +862,49 @@ yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
                                         maximumRecords > 0 */
     b->set_option("piggyback", sptr->piggyback ? "1" : "0");
 
-    std::string authentication = sptr->authentication;
-    std::string proxy = sptr->cfProxy;
-        
-    const char *param_user = 0;
-    const char *param_password = 0;
-    const char *param_proxy = 0;
-    if (db_args.length())
-    {
-        char **names;
-        char **values;
-        int i;
-        int no_parms = yaz_uri_to_array(db_args.c_str(),
-                                        odr, &names, &values);
-        for (i = 0; i < no_parms; i++)
-        {
-            const char *name = names[i];
-            const char *value = values[i];
-            if (!strcmp(name, "user"))
-                param_user = value;
-            else if (!strcmp(name, "password"))
-                param_password = value;
-            else if (!strcmp(name, "proxy"))
-                param_proxy = value;
-            else if (!strcmp(name, "cproxysession"))
-                ;
-            else if (name[0] == 'x' && name[1] == '-')
-                ;
-            else
-            {
-                BackendPtr notfound;
-                char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
-                *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
-                sprintf(msg, "Bad database argument: %s", name);
-                *addinfo = msg;
-                return notfound;
-            }
-        }
-        if (param_user)
-        {
-            authentication = std::string(param_user);
-            if (param_password)
-                authentication += "/" + std::string(param_password);
-        }
-        if (param_proxy)
-            proxy = param_proxy;
-    }
+    if (authentication.length() == 0)
+        authentication = sptr->authentication;
 
+    if (proxy.length() == 0)
+        proxy = sptr->cfProxy;
+    
     if (sptr->cfAuth.length())
     {
         // A CF target
         b->set_option("user", sptr->cfAuth);
-        if (!param_user && !param_password && authentication.length())
+        if (authentication.length())
         {
-            if (db_args.length())
-                db_args += "&";
-            // no database (auth) args specified already.. and the
-            // Torus authentication has it.. Generate the args that CF
-            // understands..
             size_t found = authentication.find('/');
             if (found != std::string::npos)
             {
-                db_args += "user=" +
-                    mp::util::uri_encode(authentication.substr(0, found))
-                    + "&password=" +
-                    mp::util::uri_encode(authentication.substr(found+1));
+                out_names[no_out_args] = "user";
+                out_values[no_out_args++] =
+                    odr_strdup(odr, authentication.substr(0, found).c_str());
+
+                out_names[no_out_args] = "password";
+                out_values[no_out_args++] =
+                    odr_strdup(odr, authentication.substr(found+1).c_str());
             }
             else
-                db_args += "user=" + mp::util::uri_encode(authentication);
+            {
+                out_names[no_out_args] = "user";
+                out_values[no_out_args++] =
+                    odr_strdup(odr, authentication.c_str());
+            }                
         }
-        if (!param_proxy && proxy.length())
+        if (proxy.length())
         {
-            if (db_args.length())
-                db_args += "&";
-            db_args += "proxy=" + mp::util::uri_encode(proxy);
+            out_names[no_out_args] = "proxy";
+            out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
         }
-        if (sptr->cfSubDb.length())
+        if (sptr->cfSubDB.length())
         {
-            if (db_args.length())
-                db_args += "&";
-            db_args += "subdatabase=" + mp::util::uri_encode(sptr->cfSubDb);
+            out_names[no_out_args] = "subdatabase";
+            out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
         }
     }
     else
     {
-        db_args.clear(); // no arguments to be passed (non-CF)
-
         size_t found = authentication.find('/');
         
         if (sptr->sru.length() && found != std::string::npos)
@@ -938,13 +965,23 @@ yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
     {
         url = "http://" + sptr->target;
         b->set_option("sru", sptr->sru);
+
+        if (sptr->sru_version.length())
+            b->set_option("sru_version", sptr->sru_version);
     }
     else
     {
         url = sptr->target;
     }
-    if (db_args.length())
-        url += "," + db_args;
+    if (no_out_args)
+    {
+        char *x_args = 0;
+        out_names[no_out_args] = 0; // terminate list
+        
+        yaz_array_to_uri(&x_args, odr, (char **) out_names,
+                         (char **) out_values);
+        url += "," + std::string(x_args);
+    }
     package.log("zoom", YLOG_LOG, "url=%s", url.c_str());
     b->connect(url, error, addinfo, odr);
     if (*error == 0)