X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/cca646a19e8013f39911a5c4faaaa15b89ce083f..04690ad8c4734c15efc920bc0dab59cf78e3e7cb:/lib/setup/SetupClass.php?ds=sidebyside

diff --git a/lib/setup/SetupClass.php b/lib/setup/SetupClass.php
index f16c9e60..92c36bf3 100755
--- a/lib/setup/SetupClass.php
+++ b/lib/setup/SetupClass.php
@@ -2,8 +2,8 @@
 
 namespace Nominatim\Setup;
 
-require_once(CONST_BasePath.'/lib/setup/AddressLevelParser.php');
-require_once(CONST_BasePath.'/lib/Shell.php');
+require_once(CONST_LibDir.'/setup/AddressLevelParser.php');
+require_once(CONST_LibDir.'/Shell.php');
 
 class SetupFunctions
 {
@@ -34,7 +34,7 @@ class SetupFunctions
 
         if (isset($aCMDResult['osm2pgsql-cache'])) {
             $this->iCacheMemory = $aCMDResult['osm2pgsql-cache'];
-        } elseif (!is_null(CONST_Osm2pgsql_Flatnode_File)) {
+        } elseif (getSetting('FLATNODE_FILE')) {
             // When flatnode files are enabled then disable cache per default.
             $this->iCacheMemory = 0;
         } else {
@@ -42,11 +42,11 @@ class SetupFunctions
             $this->iCacheMemory = getCacheMemoryMB();
         }
 
-        $this->sModulePath = CONST_Database_Module_Path;
+        $this->sModulePath = getSetting('DATABASE_MODULE_PATH', CONST_Default_ModulePath);
         info('module path: ' . $this->sModulePath);
 
         // parse database string
-        $this->aDSNInfo = \Nominatim\DB::parseDSN(CONST_Database_DSN);
+        $this->aDSNInfo = \Nominatim\DB::parseDSN(getSetting('DATABASE_DSN'));
         if (!isset($this->aDSNInfo['port'])) {
             $this->aDSNInfo['port'] = 5432;
         }
@@ -86,7 +86,7 @@ class SetupFunctions
         $oDB = new \Nominatim\DB;
 
         if ($oDB->checkConnection()) {
-            fail('database already exists ('.CONST_Database_DSN.')');
+            fail('database already exists ('.getSetting('DATABASE_DSN').')');
         }
 
         $oCmd = (new \Nominatim\Shell('createdb'))
@@ -130,34 +130,35 @@ class SetupFunctions
             exit(1);
         }
 
-        $i = $this->db()->getOne("select count(*) from pg_user where usename = '".CONST_Database_Web_User."'");
+        $sPgUser = getSetting('DATABASE_WEBUSER');
+        $i = $this->db()->getOne("select count(*) from pg_user where usename = '$sPgUser'");
         if ($i == 0) {
-            echo "\nERROR: Web user '".CONST_Database_Web_User."' does not exist. Create it with:\n";
-            echo "\n          createuser ".CONST_Database_Web_User."\n\n";
+            echo "\nERROR: Web user '".$sPgUser."' does not exist. Create it with:\n";
+            echo "\n          createuser ".$sPgUser."\n\n";
             exit(1);
         }
 
         // Try accessing the C module, so we know early if something is wrong
-        checkModulePresence(); // raises exception on failure
+        $this->checkModulePresence(); // raises exception on failure
 
-        if (!file_exists(CONST_ExtraDataPath.'/country_osm_grid.sql.gz')) {
+        if (!file_exists(CONST_DataDir.'/data/country_osm_grid.sql.gz')) {
             echo 'Error: you need to download the country_osm_grid first:';
-            echo "\n    wget -O ".CONST_ExtraDataPath."/country_osm_grid.sql.gz https://www.nominatim.org/data/country_grid.sql.gz\n";
+            echo "\n    wget -O ".CONST_DataDir."/data/country_osm_grid.sql.gz https://www.nominatim.org/data/country_grid.sql.gz\n";
             exit(1);
         }
-        $this->pgsqlRunScriptFile(CONST_BasePath.'/data/country_name.sql');
-        $this->pgsqlRunScriptFile(CONST_ExtraDataPath.'/country_osm_grid.sql.gz');
-        $this->pgsqlRunScriptFile(CONST_BasePath.'/data/gb_postcode_table.sql');
-        $this->pgsqlRunScriptFile(CONST_BasePath.'/data/us_postcode_table.sql');
+        $this->pgsqlRunScriptFile(CONST_DataDir.'/data/country_name.sql');
+        $this->pgsqlRunScriptFile(CONST_DataDir.'/data/country_osm_grid.sql.gz');
+        $this->pgsqlRunScriptFile(CONST_DataDir.'/data/gb_postcode_table.sql');
+        $this->pgsqlRunScriptFile(CONST_DataDir.'/data/us_postcode_table.sql');
 
-        $sPostcodeFilename = CONST_BasePath.'/data/gb_postcode_data.sql.gz';
+        $sPostcodeFilename = CONST_DataDir.'/data/gb_postcode_data.sql.gz';
         if (file_exists($sPostcodeFilename)) {
             $this->pgsqlRunScriptFile($sPostcodeFilename);
         } else {
             warn('optional external GB postcode table file ('.$sPostcodeFilename.') not found. Skipping.');
         }
 
-        $sPostcodeFilename = CONST_BasePath.'/data/us_postcode_data.sql.gz';
+        $sPostcodeFilename = CONST_DataDir.'/data/us_postcode_data.sql.gz';
         if (file_exists($sPostcodeFilename)) {
             $this->pgsqlRunScriptFile($sPostcodeFilename);
         } else {
@@ -173,29 +174,29 @@ class SetupFunctions
     {
         info('Import data');
 
-        if (!file_exists(CONST_Osm2pgsql_Binary)) {
-            echo "Check CONST_Osm2pgsql_Binary in your local settings file.\n";
+        if (!file_exists(getOsm2pgsqlBinary())) {
+            echo "Check NOMINATIM_OSM2PGSQL_BINARY in your local .env file.\n";
             echo "Normally you should not need to set this manually.\n";
-            fail("osm2pgsql not found in '".CONST_Osm2pgsql_Binary."'");
+            fail("osm2pgsql not found in '".getOsm2pgsqlBinary()."'");
         }
 
-        $oCmd = new \Nominatim\Shell(CONST_Osm2pgsql_Binary);
-        $oCmd->addParams('--style', CONST_Import_Style);
+        $oCmd = new \Nominatim\Shell(getOsm2pgsqlBinary());
+        $oCmd->addParams('--style', getImportStyle());
 
-        if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
-            $oCmd->addParams('--flat-nodes', CONST_Osm2pgsql_Flatnode_File);
+        if (getSetting('FLATNODE_FILE')) {
+            $oCmd->addParams('--flat-nodes', getSetting('FLATNODE_FILE'));
         }
-        if (CONST_Tablespace_Osm2pgsql_Data) {
-            $oCmd->addParams('--tablespace-slim-data', CONST_Tablespace_Osm2pgsql_Data);
+        if (getSetting('TABLESPACE_OSM_DATA')) {
+            $oCmd->addParams('--tablespace-slim-data', getSetting('TABLESPACE_OSM_DATA'));
         }
-        if (CONST_Tablespace_Osm2pgsql_Index) {
-            $oCmd->addParams('--tablespace-slim-index', CONST_Tablespace_Osm2pgsql_Index);
+        if (getSetting('TABLESPACE_OSM_INDEX')) {
+            $oCmd->addParams('--tablespace-slim-index', getSetting('TABLESPACE_OSM_INDEX'));
         }
-        if (CONST_Tablespace_Place_Data) {
-            $oCmd->addParams('--tablespace-main-data', CONST_Tablespace_Place_Data);
+        if (getSetting('TABLESPACE_PLACE_DATA')) {
+            $oCmd->addParams('--tablespace-main-data', getSetting('TABLESPACE_PLACE_DATA'));
         }
-        if (CONST_Tablespace_Place_Index) {
-            $oCmd->addParams('--tablespace-main-index', CONST_Tablespace_Place_Index);
+        if (getSetting('TABLESPACE_PLACE_INDEX')) {
+            $oCmd->addParams('--tablespace-main-index', getSetting('TABLESPACE_PLACE_INDEX'));
         }
         $oCmd->addParams('--latlong', '--slim', '--create');
         $oCmd->addParams('--output', 'gazetteer');
@@ -234,7 +235,7 @@ class SetupFunctions
         info('Create Functions');
 
         // Try accessing the C module, so we know early if something is wrong
-        checkModulePresence(); // raises exception on failure
+        $this->checkModulePresence(); // raises exception on failure
 
         $this->createSqlFunctions();
     }
@@ -243,7 +244,7 @@ class SetupFunctions
     {
         info('Create Tables');
 
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/tables.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/tables.sql');
         $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunScript($sTemplate, false);
@@ -252,7 +253,7 @@ class SetupFunctions
             $this->dropTable('search_name');
         }
 
-        $oAlParser = new AddressLevelParser(CONST_Address_Level_Config);
+        $oAlParser = new AddressLevelParser(getSettingConfig('ADDRESS_LEVEL_CONFIG', 'address-levels.json'));
         $oAlParser->createTable($this->db(), 'address_levels');
     }
 
@@ -260,7 +261,7 @@ class SetupFunctions
     {
         info('Create Tables');
 
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/table-triggers.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/table-triggers.sql');
         $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunScript($sTemplate, false);
@@ -270,7 +271,7 @@ class SetupFunctions
     {
         info('Create Partition Tables');
 
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-tables.src.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/partition-tables.src.sql');
         $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunPartitionScript($sTemplate);
@@ -280,13 +281,14 @@ class SetupFunctions
     {
         info('Create Partition Functions');
 
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-functions.src.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/partition-functions.src.sql');
         $this->pgsqlRunPartitionScript($sTemplate);
     }
 
     public function importWikipediaArticles()
     {
-        $sWikiArticlesFile = CONST_Wikipedia_Data_Path.'/wikimedia-importance.sql.gz';
+        $sWikiArticlePath = getSetting('WIKIPEDIA_DATA_PATH', CONST_DataDir.'/data');
+        $sWikiArticlesFile = $sWikiArticlePath.'/wikimedia-importance.sql.gz';
         if (file_exists($sWikiArticlesFile)) {
             info('Importing wikipedia articles and redirects');
             $this->dropTable('wikipedia_article');
@@ -335,14 +337,14 @@ class SetupFunctions
 
         // used by getorcreate_word_id to ignore frequent partial words
         $sSQL = 'CREATE OR REPLACE FUNCTION get_maxwordfreq() RETURNS integer AS ';
-        $sSQL .= '$$ SELECT '.CONST_Max_Word_Frequency.' as maxwordfreq; $$ LANGUAGE SQL IMMUTABLE';
+        $sSQL .= '$$ SELECT '.getSetting('MAX_WORD_FREQUENCY').' as maxwordfreq; $$ LANGUAGE SQL IMMUTABLE';
         $oDB->exec($sSQL);
         echo ".\n";
 
         // pre-create the word list
         if (!$bDisableTokenPrecalc) {
             info('Loading word list');
-            $this->pgsqlRunScriptFile(CONST_BasePath.'/data/words.sql');
+            $this->pgsqlRunScriptFile(CONST_DataDir.'/data/words.sql');
         }
 
         info('Load Data');
@@ -352,7 +354,7 @@ class SetupFunctions
         $iLoadThreads = max(1, $this->iInstances - 1);
         for ($i = 0; $i < $iLoadThreads; $i++) {
             // https://secure.php.net/manual/en/function.pg-connect.php
-            $DSN = CONST_Database_DSN;
+            $DSN = getSetting('DATABASE_DSN');
             $DSN = preg_replace('/^pgsql:/', '', $DSN);
             $DSN = preg_replace('/;/', ' ', $DSN);
             $aDBInstances[$i] = pg_connect($DSN, PGSQL_CONNECT_FORCE_NEW);
@@ -372,7 +374,7 @@ class SetupFunctions
 
         // last thread for interpolation lines
         // https://secure.php.net/manual/en/function.pg-connect.php
-        $DSN = CONST_Database_DSN;
+        $DSN = getSetting('DATABASE_DSN');
         $DSN = preg_replace('/^pgsql:/', '', $DSN);
         $DSN = preg_replace('/;/', ' ', $DSN);
         $aDBInstances[$iLoadThreads] = pg_connect($DSN, PGSQL_CONNECT_FORCE_NEW);
@@ -424,17 +426,17 @@ class SetupFunctions
         }
     }
 
-    public function importTigerData()
+    public function importTigerData($sTigerPath)
     {
         info('Import Tiger data');
 
-        $aFilenames = glob(CONST_Tiger_Data_Path.'/*.sql');
-        info('Found '.count($aFilenames).' SQL files in path '.CONST_Tiger_Data_Path);
+        $aFilenames = glob($sTigerPath.'/*.sql');
+        info('Found '.count($aFilenames).' SQL files in path '.$sTigerPath);
         if (empty($aFilenames)) {
-            warn('Tiger data import selected but no files found in path '.CONST_Tiger_Data_Path);
+            warn('Tiger data import selected but no files found in path '.$sTigerPath);
             return;
         }
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_start.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/tiger_import_start.sql');
         $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunScript($sTemplate, false);
@@ -442,7 +444,7 @@ class SetupFunctions
         $aDBInstances = array();
         for ($i = 0; $i < $this->iInstances; $i++) {
             // https://secure.php.net/manual/en/function.pg-connect.php
-            $DSN = CONST_Database_DSN;
+            $DSN = getSetting('DATABASE_DSN');
             $DSN = preg_replace('/^pgsql:/', '', $DSN);
             $DSN = preg_replace('/;/', ' ', $DSN);
             $aDBInstances[$i] = pg_connect($DSN, PGSQL_CONNECT_FORCE_NEW | PGSQL_CONNECT_ASYNC);
@@ -488,7 +490,7 @@ class SetupFunctions
         }
 
         info('Creating indexes on Tiger data');
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_finish.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/tiger_import_finish.sql');
         $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunScript($sTemplate, false);
@@ -542,9 +544,9 @@ class SetupFunctions
 
     public function index($bIndexNoanalyse)
     {
-        checkModulePresence(); // raises exception on failure
+        $this->checkModulePresence(); // raises exception on failure
 
-        $oBaseCmd = (new \Nominatim\Shell(CONST_BasePath.'/nominatim/nominatim.py'))
+        $oBaseCmd = (new \Nominatim\Shell(CONST_DataDir.'/nominatim/nominatim.py'))
                     ->addParams('--database', $this->aDSNInfo['database'])
                     ->addParams('--port', $this->aDSNInfo['port'])
                     ->addParams('--threads', $this->iInstances);
@@ -616,12 +618,12 @@ class SetupFunctions
             $this->db()->exec("DROP INDEX $sIndexName;");
         }
 
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/indices.src.sql');
+        $sTemplate = file_get_contents(CONST_DataDir.'/sql/indices.src.sql');
         if (!$this->bDrop) {
-            $sTemplate .= file_get_contents(CONST_BasePath.'/sql/indices_updates.src.sql');
+            $sTemplate .= file_get_contents(CONST_DataDir.'/sql/indices_updates.src.sql');
         }
         if (!$this->dbReverseOnly()) {
-            $sTemplate .= file_get_contents(CONST_BasePath.'/sql/indices_search.src.sql');
+            $sTemplate .= file_get_contents(CONST_DataDir.'/sql/indices_search.src.sql');
         }
         $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
@@ -638,10 +640,11 @@ class SetupFunctions
         $this->pgsqlRunScript("select count(*) from (select getorcreate_country(make_standard_name(name->'name'), country_code) from country_name where name ? 'name') as x");
         $sSQL = 'select count(*) from (select getorcreate_country(make_standard_name(v),'
             .'country_code) from (select country_code, skeys(name) as k, svals(name) as v from country_name) x where k ';
-        if (CONST_Languages) {
+        $sLanguages = getSetting('LANGUAGES');
+        if ($sLanguages) {
             $sSQL .= 'in ';
             $sDelim = '(';
-            foreach (explode(',', CONST_Languages) as $sLang) {
+            foreach (explode(',', $sLanguages) as $sLang) {
                 $sSQL .= $sDelim."'name:$sLang'";
                 $sDelim = ',';
             }
@@ -703,36 +706,57 @@ class SetupFunctions
     }
 
     /**
-     * Setup settings-frontend.php in the build/website directory
+     * Setup the directory for the API scripts.
      *
      * @return null
      */
     public function setupWebsite()
     {
-        $rOutputFile = fopen(CONST_InstallPath.'/settings/settings-frontend.php', 'w');
-
-        fwrite($rOutputFile, "<?php
-@define('CONST_BasePath', '".CONST_BasePath."');
-if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SETTINGS'));
-
-@define('CONST_Database_DSN', '".CONST_Database_DSN."');
-@define('CONST_Default_Language', ".(CONST_Default_Language ? ("'".CONST_Default_Language."'") : 'false').");
-@define('CONST_Log_DB', ".(CONST_Log_DB ? 'true' : 'false').");
-@define('CONST_Log_File', ".(CONST_Log_File ? ("'".CONST_Log_File."'")  : 'false').");
-@define('CONST_Max_Word_Frequency', '".CONST_Max_Word_Frequency."');
-@define('CONST_NoAccessControl', ".CONST_NoAccessControl.");
-@define('CONST_Places_Max_ID_count', ".CONST_Places_Max_ID_count.");
-@define('CONST_PolygonOutput_MaximumTypes', ".CONST_PolygonOutput_MaximumTypes.");
-@define('CONST_Search_AreaPolygons', ".CONST_Search_AreaPolygons.");
-@define('CONST_Search_BatchMode', ".(CONST_Search_BatchMode ? 'true' : 'false').");
-@define('CONST_Search_NameOnlySearchFrequencyThreshold', ".CONST_Search_NameOnlySearchFrequencyThreshold.");
-@define('CONST_Search_ReversePlanForAll', ".CONST_Search_ReversePlanForAll.");
-@define('CONST_Term_Normalization_Rules', \"".CONST_Term_Normalization_Rules."\");
-@define('CONST_Use_Aux_Location_data', ".(CONST_Use_Aux_Location_data ? 'true' : 'false').");
-@define('CONST_Use_US_Tiger_Data', ".(CONST_Use_US_Tiger_Data ? 'true' : 'false').");
-@define('CONST_MapIcon_URL', ".(CONST_MapIcon_URL ? ("'".CONST_MapIcon_URL."'") : 'false').');
-');
-        info(CONST_InstallPath.'/settings/settings-frontend.php has been set up successfully');
+        if (!is_dir(CONST_InstallDir.'/website')) {
+            info('Creating directory for website scripts at: '.CONST_InstallDir.'/website');
+            mkdir(CONST_InstallDir.'/website');
+        }
+
+        $aScripts = array(
+          'deletable.php',
+          'details.php',
+          'lookup.php',
+          'polygons.php',
+          'reverse.php',
+          'search.php',
+          'status.php'
+        );
+
+        foreach ($aScripts as $sScript) {
+            $rFile = fopen(CONST_InstallDir.'/website/'.$sScript, 'w');
+
+            fwrite($rFile, "<?php\n\n");
+            fwrite($rFile, '@define(\'CONST_Debug\', $_GET[\'debug\'] ?? false);'."\n\n");
+
+            fwriteConstDef($rFile, 'LibDir', CONST_LibDir);
+            fwriteConstDef($rFile, 'DataDir', CONST_DataDir);
+            fwriteConstDef($rFile, 'InstallDir', CONST_InstallDir);
+            fwriteConstDef($rFile, 'Database_DSN', getSetting('DATABASE_DSN'));
+            fwriteConstDef($rFile, 'Default_Language', getSetting('DEFAULT_LANGUAGE'));
+            fwriteConstDef($rFile, 'Log_DB', getSettingBool('LOG_DB'));
+            fwriteConstDef($rFile, 'Log_File', getSetting('LOG_FILE'));
+            fwriteConstDef($rFile, 'Max_Word_Frequency', (int)getSetting('MAX_WORD_FREQUENCY'));
+            fwriteConstDef($rFile, 'NoAccessControl', getSettingBool('CORS_NOACCESSCONTROL'));
+            fwriteConstDef($rFile, 'Places_Max_ID_count', (int)getSetting('LOOKUP_MAX_COUNT'));
+            fwriteConstDef($rFile, 'PolygonOutput_MaximumTypes', getSetting('POLYGON_OUTPUT_MAX_TYPES'));
+            fwriteConstDef($rFile, 'Search_BatchMode', getSettingBool('SEARCH_BATCH_MODE'));
+            fwriteConstDef($rFile, 'Search_NameOnlySearchFrequencyThreshold', getSetting('SEARCH_NAME_ONLY_THRESHOLD'));
+            fwriteConstDef($rFile, 'Term_Normalization_Rules', getSetting('TERM_NORMALIZATION'));
+            fwriteConstDef($rFile, 'Use_Aux_Location_data', getSettingBool('USE_AUX_LOCATION_DATA'));
+            fwriteConstDef($rFile, 'Use_US_Tiger_Data', getSettingBool('USE_US_TIGER_DATA'));
+            fwriteConstDef($rFile, 'MapIcon_URL', getSetting('MAPICON_URL'));
+
+            // XXX scripts should go into the library.
+            fwrite($rFile, 'require_once(\''.CONST_DataDir.'/website/'.$sScript."');\n");
+            fclose($rFile);
+
+            chmod(CONST_InstallDir.'/website/'.$sScript, 0755);
+        }
     }
 
     /**
@@ -755,11 +779,10 @@ if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SE
 
     private function removeFlatnodeFile()
     {
-        if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
-            if (file_exists(CONST_Osm2pgsql_Flatnode_File)) {
-                if ($this->bVerbose) echo 'Deleting '.CONST_Osm2pgsql_Flatnode_File."\n";
-                unlink(CONST_Osm2pgsql_Flatnode_File);
-            }
+        $sFName = getSetting('FLATNODE_FILE');
+        if ($sFName && file_exists($sFName)) {
+            if ($this->bVerbose) echo 'Deleting '.$sFName."\n";
+            unlink($sFName);
         }
     }
 
@@ -775,7 +798,7 @@ if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SE
 
     private function createSqlFunctions()
     {
-        $sBasePath = CONST_BasePath.'/sql/functions/';
+        $sBasePath = CONST_DataDir.'/sql/functions/';
         $sTemplate = file_get_contents($sBasePath.'utils.sql');
         $sTemplate .= file_get_contents($sBasePath.'normalization.sql');
         $sTemplate .= file_get_contents($sBasePath.'ranking.sql');
@@ -798,13 +821,13 @@ if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SE
         if ($this->bEnableDebugStatements) {
             $sTemplate = str_replace('--DEBUG:', '', $sTemplate);
         }
-        if (CONST_Limit_Reindexing) {
+        if (getSettingBool('LIMIT_REINDEXING')) {
             $sTemplate = str_replace('--LIMIT INDEXING:', '', $sTemplate);
         }
-        if (!CONST_Use_US_Tiger_Data) {
+        if (!getSettingBool('USE_US_TIGER_DATA')) {
             $sTemplate = str_replace('-- %NOTIGERDATA% ', '', $sTemplate);
         }
-        if (!CONST_Use_Aux_Location_data) {
+        if (!getSettingBool('USE_AUX_LOCATION_DATA')) {
             $sTemplate = str_replace('-- %NOAUXDATA% ', '', $sTemplate);
         }
 
@@ -895,15 +918,15 @@ if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SE
 
     private function replaceSqlPatterns($sSql)
     {
-        $sSql = str_replace('{www-user}', CONST_Database_Web_User, $sSql);
+        $sSql = str_replace('{www-user}', getSetting('DATABASE_WEBUSER'), $sSql);
 
         $aPatterns = array(
-                      '{ts:address-data}' => CONST_Tablespace_Address_Data,
-                      '{ts:address-index}' => CONST_Tablespace_Address_Index,
-                      '{ts:search-data}' => CONST_Tablespace_Search_Data,
-                      '{ts:search-index}' =>  CONST_Tablespace_Search_Index,
-                      '{ts:aux-data}' =>  CONST_Tablespace_Aux_Data,
-                      '{ts:aux-index}' =>  CONST_Tablespace_Aux_Index,
+                      '{ts:address-data}' => getSetting('TABLESPACE_ADDRESS_DATA'),
+                      '{ts:address-index}' => getSetting('TABLESPACE_ADDRESS_INDEX'),
+                      '{ts:search-data}' => getSetting('TABLESPACE_SEARCH_DATA'),
+                      '{ts:search-index}' =>  getSetting('TABLESPACE_SEARCH_INDEX'),
+                      '{ts:aux-data}' =>  getSetting('TABLESPACE_AUX_DATA'),
+                      '{ts:aux-index}' =>  getSetting('TABLESPACE_AUX_INDEX')
         );
 
         foreach ($aPatterns as $sPattern => $sTablespace) {
@@ -939,4 +962,20 @@ if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SE
     {
         return !($this->db()->tableExists('search_name'));
     }
+
+    /**
+     * Try accessing the C module, so we know early if something is wrong.
+     *
+     * Raises Nominatim\DatabaseError on failure
+     */
+    private function checkModulePresence()
+    {
+        $sSQL = "CREATE FUNCTION nominatim_test_import_func(text) RETURNS text AS '";
+        $sSQL .= $this->sModulePath . "/nominatim.so', 'transliteration' LANGUAGE c IMMUTABLE STRICT";
+        $sSQL .= ';DROP FUNCTION nominatim_test_import_func(text);';
+
+        $oDB = new \Nominatim\DB();
+        $oDB->connect();
+        $oDB->exec($sSQL, null, 'Database server failed to load '.$this->sModulePath.'/nominatim.so module');
+    }
 }