qgsserversettings.cpp

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/***************************************************************************
                    qgsserversettings.cpp
                    ---------------------
  begin                : December 19, 2016
  copyright            : (C) 2016 by Paul Blottiere
  email                : paul dot blottiere at oslandia dot com
 
***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgsserversettings.h"
#include "moc_qgsserversettings.cpp"
#include "qgsapplication.h"
#include "qgsvariantutils.h"
 
#include <QSettings>
#include <QDir>
 
QgsServerSettings::QgsServerSettings()
{
  load();
}
 
void QgsServerSettings::initSettings()
{
  mSettings.clear();
 
  // options path
  const Setting sOptPath = { QgsServerSettingsEnv::QGIS_OPTIONS_PATH, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Override the default path for user configuration" ), QString(), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sOptPath.envVar] = sOptPath;
 
  // parallel rendering
  const Setting sParRend = { QgsServerSettingsEnv::QGIS_SERVER_PARALLEL_RENDERING, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Activate/Deactivate parallel rendering for WMS getMap request" ), QStringLiteral( "/qgis/parallel_rendering" ), QMetaType::Type::Bool, QVariant( false ), QVariant() };
  mSettings[sParRend.envVar] = sParRend;
 
  // max threads
  const Setting sMaxThreads = { QgsServerSettingsEnv::QGIS_SERVER_MAX_THREADS, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Number of threads to use when parallel rendering is activated" ), QStringLiteral( "/qgis/max_threads" ), QMetaType::Type::Int, QVariant( -1 ), QVariant() };
  mSettings[sMaxThreads.envVar] = sMaxThreads;
 
  // log level
  const Setting sLogLevel = { QgsServerSettingsEnv::QGIS_SERVER_LOG_LEVEL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Log level" ), QString(), QMetaType::Type::Int, QVariant::fromValue( Qgis::MessageLevel::NoLevel ), QVariant() };
  mSettings[sLogLevel.envVar] = sLogLevel;
 
  // log file
  const Setting sLogFile = { QgsServerSettingsEnv::QGIS_SERVER_LOG_FILE, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Log file" ), QString(), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sLogFile.envVar] = sLogFile;
 
  // log to stderr
  const Setting sLogStderr = { QgsServerSettingsEnv::QGIS_SERVER_LOG_STDERR, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Activate/Deactivate logging to stderr" ), QString(), QMetaType::Type::Bool, QVariant( false ), QVariant() };
  mSettings[sLogStderr.envVar] = sLogStderr;
 
  // project file
  const Setting sProject = { QgsServerSettingsEnv::QGIS_PROJECT_FILE, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "QGIS project file" ), QString(), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sProject.envVar] = sProject;
 
  // cache directory
  const Setting sCacheDir = { QgsServerSettingsEnv::QGIS_SERVER_CACHE_DIRECTORY, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Specify the cache directory" ), QStringLiteral( "/cache/directory" ), QMetaType::Type::QString, QVariant( QgsApplication::qgisSettingsDirPath() + "cache" ), QVariant() };
  mSettings[sCacheDir.envVar] = sCacheDir;
 
  // cache size
  const Setting sCacheSize = { QgsServerSettingsEnv::QGIS_SERVER_CACHE_SIZE, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Specify the cache size (0 = automatic size)" ), QStringLiteral( "/cache/size-bytes" ), QMetaType::Type::LongLong, 0, QVariant() };
  mSettings[sCacheSize.envVar] = sCacheSize;
 
  // system locale override
  const Setting sOverrideSystemLocale = { QgsServerSettingsEnv::QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Override system locale" ), QStringLiteral( "/locale/userLocale" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sOverrideSystemLocale.envVar] = sOverrideSystemLocale;
 
  // bad layers handling
  const Setting sIgnoreBadLayers = { QgsServerSettingsEnv::QGIS_SERVER_IGNORE_BAD_LAYERS, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Ignore bad layers" ), QString(), QMetaType::Type::Bool, QVariant( false ), QVariant() };
  mSettings[sIgnoreBadLayers.envVar] = sIgnoreBadLayers;
 
  // trust layer metadata
  const Setting sTrustLayerMetadata = { QgsServerSettingsEnv::QGIS_SERVER_TRUST_LAYER_METADATA, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Trust layer metadata" ), QString(), QMetaType::Type::Bool, QVariant( false ), QVariant() };
  mSettings[sTrustLayerMetadata.envVar] = sTrustLayerMetadata;
 
 
  // force to open layers in read-only mode
  const Setting sForceReadOnlyLayers = { QgsServerSettingsEnv::QGIS_SERVER_FORCE_READONLY_LAYERS, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Force to open layers in read-only mode" ), QString(), QMetaType::Type::Bool, QVariant( false ), QVariant() };
  mSettings[sForceReadOnlyLayers.envVar] = sForceReadOnlyLayers;
 
  // don't load layouts
  const Setting sDontLoadLayouts = { QgsServerSettingsEnv::QGIS_SERVER_DISABLE_GETPRINT, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Don't load layouts" ), QString(), QMetaType::Type::Bool, QVariant( false ), QVariant() };
  mSettings[sDontLoadLayouts.envVar] = sDontLoadLayouts;
 
  // show group separator
  const Setting sShowGroupSeparator = { QgsServerSettingsEnv::QGIS_SERVER_SHOW_GROUP_SEPARATOR, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Show group (thousands) separator" ), QStringLiteral( "/locale/showGroupSeparator" ), QMetaType::Type::QString, QVariant( false ), QVariant() };
  mSettings[sShowGroupSeparator.envVar] = sShowGroupSeparator;
 
  // max height
  const Setting sMaxHeight = { QgsServerSettingsEnv::QGIS_SERVER_WMS_MAX_HEIGHT, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Maximum height for a WMS request. The lower one of this and the project configuration is used." ), QStringLiteral( "/qgis/max_wms_height" ), QMetaType::Type::LongLong, QVariant( -1 ), QVariant() };
  mSettings[sMaxHeight.envVar] = sMaxHeight;
 
  // max width
  const Setting sMaxWidth = { QgsServerSettingsEnv::QGIS_SERVER_WMS_MAX_WIDTH, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Maximum width for a WMS request. The most conservative between this and the project one is used" ), QStringLiteral( "/qgis/max_wms_width" ), QMetaType::Type::LongLong, QVariant( -1 ), QVariant() };
  mSettings[sMaxWidth.envVar] = sMaxWidth;
 
  // API templates and static override directory
  const Setting sApiResourcesDirectory = { QgsServerSettingsEnv::QGIS_SERVER_API_RESOURCES_DIRECTORY, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Base directory where HTML templates and static assets (e.g. images, js and css files) are searched for" ), QStringLiteral( "/qgis/server_api_resources_directory" ), QMetaType::Type::QString, QDir( QgsApplication::pkgDataPath() ).absoluteFilePath( QStringLiteral( "resources/server/api" ) ), QString() };
 
  mSettings[sApiResourcesDirectory.envVar] = sApiResourcesDirectory;
 
  // API WFS3 max limit
  const Setting sApiWfs3MaxLimit = { QgsServerSettingsEnv::QGIS_SERVER_API_WFS3_MAX_LIMIT, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Maximum value for \"limit\" in a features request, defaults to 10000" ), QStringLiteral( "/qgis/server_api_wfs3_max_limit" ), QMetaType::Type::LongLong, QVariant( 10000 ), QVariant() };
 
  mSettings[sApiWfs3MaxLimit.envVar] = sApiWfs3MaxLimit;
 
  // projects directory for landing page service
  const Setting sProjectsDirectories = { QgsServerSettingsEnv::QGIS_SERVER_LANDING_PAGE_PROJECTS_DIRECTORIES, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Directories used by the landing page service to find .qgs and .qgz projects" ), QStringLiteral( "/qgis/server_projects_directories" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
 
  mSettings[sProjectsDirectories.envVar] = sProjectsDirectories;
 
  // postgresql connection string for landing page service
  const Setting sProjectsPgConnections = { QgsServerSettingsEnv::QGIS_SERVER_LANDING_PAGE_PROJECTS_PG_CONNECTIONS, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "PostgreSQL connection strings used by the landing page service to find projects" ), QStringLiteral( "/qgis/server_projects_pg_connections" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
 
  mSettings[sProjectsPgConnections.envVar] = sProjectsPgConnections;
 
  // landing page base URL prefix
  const Setting sLandingPageBaseUrlPrefix = { QgsServerSettingsEnv::QGIS_SERVER_LANDING_PAGE_PREFIX, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Landing page base URL path prefix" ), QStringLiteral( "/qgis/server_landing_page_base_url_prefix" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
 
  mSettings[sLandingPageBaseUrlPrefix.envVar] = sLandingPageBaseUrlPrefix;
 
  // log profile
  const Setting sLogProfile = { QgsServerSettingsEnv::QGIS_SERVER_LOG_PROFILE, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Add detailed profile information to the logs, only effective when QGIS_SERVER_LOG_LEVEL=0" ), QStringLiteral( "/qgis/server_log_profile" ), QMetaType::Type::Bool, QVariant( false ), QVariant() };
 
  mSettings[sLogProfile.envVar] = sLogProfile;
 
  // the default service URL.
  const Setting sServiceUrl = { QgsServerSettingsEnv::QGIS_SERVER_SERVICE_URL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The default service URL" ), QStringLiteral( "/qgis/server_service_url" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sServiceUrl.envVar] = sServiceUrl;
 
  // the default WMS service URL.
  const Setting sWmsServiceUrl = { QgsServerSettingsEnv::QGIS_SERVER_WMS_SERVICE_URL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The default WMS service URL" ), QStringLiteral( "/qgis/server_wms_service_url" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sServiceUrl.envVar] = sWmsServiceUrl;
 
  // the default WFS service URL.
  const Setting sWfsServiceUrl = { QgsServerSettingsEnv::QGIS_SERVER_WFS_SERVICE_URL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The default WFS service URL" ), QStringLiteral( "/qgis/server_wfs_service_url" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sServiceUrl.envVar] = sWfsServiceUrl;
 
  // the default WCS service URL.
  const Setting sWcsServiceUrl = { QgsServerSettingsEnv::QGIS_SERVER_WCS_SERVICE_URL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The default WcS service URL" ), QStringLiteral( "/qgis/server_wcs_service_url" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sServiceUrl.envVar] = sWfsServiceUrl;
 
  // the default WMTS service URL.
  const Setting sWmtsServiceUrl = { QgsServerSettingsEnv::QGIS_SERVER_WMTS_SERVICE_URL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The default WMTS service URL" ), QStringLiteral( "/qgis/server_wmts_service_url" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sServiceUrl.envVar] = sWmtsServiceUrl;
 
  // the default config cache check interval
  const Setting sConfigCacheCheckInterval = { QgsServerSettingsEnv::QGIS_SERVER_PROJECT_CACHE_CHECK_INTERVAL, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The default project cache check interval (in ms)" ), QStringLiteral( "/qgis/server_project_cache_check_interval" ), QMetaType::Type::Int, QVariant( 0 ), QVariant() };
  mSettings[sConfigCacheCheckInterval.envVar] = sConfigCacheCheckInterval;
 
  // the default config cache strategy
  const Setting sProjectCacheStrategy = { QgsServerSettingsEnv::QGIS_SERVER_PROJECT_CACHE_STRATEGY, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "Project's cache strategy. Possible values are 'off','filesystem' or 'periodic'" ), QStringLiteral( "/qgis/server_project_cache_strategy" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sProjectCacheStrategy.envVar] = sProjectCacheStrategy;
 
  const Setting sAllowedExtraSqlTokens = { QgsServerSettingsEnv::QGIS_SERVER_ALLOWED_EXTRA_SQL_TOKENS, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "List of comma separated SQL tokens to be added to the list of allowed tokens that the services accepts when filtering features" ), QStringLiteral( "/qgis/server_allowed_extra_sql_tokens" ), QMetaType::Type::QString, QVariant( "" ), QVariant() };
  mSettings[sAllowedExtraSqlTokens.envVar] = sAllowedExtraSqlTokens;
 
  const Setting sApplicationName = { QgsServerSettingsEnv::QGIS_SERVER_APPLICATION_NAME, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The QGIS Server application name" ), QStringLiteral( "/qgis/application_full_name" ), QMetaType::Type::QString, QVariant( QgsApplication::applicationFullName() ), QVariant() };
  mSettings[sApplicationName.envVar] = sApplicationName;
 
  const Setting sCapabilitiesCacheSize = { QgsServerSettingsEnv::QGIS_SERVER_CAPABILITIES_CACHE_SIZE, QgsServerSettingsEnv::DEFAULT_VALUE, QStringLiteral( "The QGIS Server capabilities cache size" ), QStringLiteral( "/qgis/capabilities_cache_size" ), QMetaType::Type::Int, QVariant( 40 ), QVariant() };
  mSettings[sCapabilitiesCacheSize.envVar] = sCapabilitiesCacheSize;
}
 
void QgsServerSettings::load()
{
  // init settings each time to take into account QgsApplication and
  // QCoreApplication configuration for some default values
  initSettings();
 
  // store environment variables
  QMap<QgsServerSettingsEnv::EnvVar, QString> env = getEnv();
 
  // load QSettings if QGIS_OPTIONS_PATH is defined
  loadQSettings( env[QgsServerSettingsEnv::QGIS_OPTIONS_PATH] );
 
  // prioritize values: 'env var' -> 'ini file' -> 'default value'
  prioritize( env );
}
 
bool QgsServerSettings::load( const QString &envVarName )
{
  bool rc( false );
  const QMetaEnum metaEnum( QMetaEnum::fromType<QgsServerSettingsEnv::EnvVar>() );
  const int value = metaEnum.keyToValue( envVarName.toStdString().c_str() );
 
  if ( value >= 0 )
  {
    const QString envValue( getenv( envVarName.toStdString().c_str() ) );
    prioritize( QMap<QgsServerSettingsEnv::EnvVar, QString> { { ( QgsServerSettingsEnv::EnvVar ) value, envValue } } );
    rc = true;
  }
 
  return rc;
}
 
QMap<QgsServerSettingsEnv::EnvVar, QString> QgsServerSettings::getEnv() const
{
  QMap<QgsServerSettingsEnv::EnvVar, QString> env;
 
  const QMetaEnum metaEnum( QMetaEnum::fromType<QgsServerSettingsEnv::EnvVar>() );
  for ( int i = 0; i < metaEnum.keyCount(); i++ )
  {
    env[( QgsServerSettingsEnv::EnvVar ) metaEnum.value( i )] = getenv( metaEnum.key( i ) );
  }
 
  return env;
}
 
QVariant QgsServerSettings::value( QgsServerSettingsEnv::EnvVar envVar, bool actual ) const
{
  if ( actual )
  {
    const QString envValue( getenv( name( envVar ).toStdString().c_str() ) );
 
    if ( !envValue.isEmpty() )
      return envValue;
  }
 
  if ( mSettings[envVar].src == QgsServerSettingsEnv::DEFAULT_VALUE )
  {
    return mSettings[envVar].defaultVal;
  }
  else
  {
    return mSettings[envVar].val;
  }
}
 
void QgsServerSettings::loadQSettings( const QString &envOptPath ) const
{
  if ( !envOptPath.isEmpty() )
  {
    QSettings::setDefaultFormat( QSettings::IniFormat );
    QSettings::setPath( QSettings::IniFormat, QSettings::UserScope, envOptPath );
  }
}
 
void QgsServerSettings::prioritize( const QMap<QgsServerSettingsEnv::EnvVar, QString> &env )
{
  const auto constKeys( env.keys() );
  for ( const QgsServerSettingsEnv::EnvVar &e : constKeys )
  {
    Setting s = mSettings[e];
 
    QVariant varValue;
    if ( !env.value( e ).isEmpty() )
    {
      varValue.setValue( env.value( e ) );
    }
 
    if ( !QgsVariantUtils::isNull( varValue ) && varValue.canConvert( s.type ) )
    {
      s.val = varValue;
      s.src = QgsServerSettingsEnv::ENVIRONMENT_VARIABLE;
    }
    else if ( !s.iniKey.isEmpty() && QSettings().contains( s.iniKey ) && QSettings().value( s.iniKey ).canConvert( s.type ) )
    {
      s.val = QSettings().value( s.iniKey );
      s.src = QgsServerSettingsEnv::INI_FILE;
    }
    else
    {
      s.val = QVariant();
      s.src = QgsServerSettingsEnv::DEFAULT_VALUE;
    }
 
    // an empty string can be returned from QSettings. In this case, we want
    // to use the default value
    if ( s.type == QMetaType::Type::QString && s.val.toString().isEmpty() )
    {
      s.val = QVariant();
      s.src = QgsServerSettingsEnv::DEFAULT_VALUE;
    }
 
    mSettings[e] = s;
  }
}
 
QString QgsServerSettings::name( QgsServerSettingsEnv::EnvVar env )
{
  const QMetaEnum metaEnumEnv( QMetaEnum::fromType<QgsServerSettingsEnv::EnvVar>() );
  return metaEnumEnv.valueToKey( env );
}
 
void QgsServerSettings::logSummary() const
{
  const QMetaEnum metaEnumSrc( QMetaEnum::fromType<QgsServerSettingsEnv::Source>() );
 
  QgsMessageLog::logMessage( "QGIS Server Settings: ", "Server", Qgis::MessageLevel::Info );
  for ( const Setting &s : std::as_const( mSettings ) )
  {
    const QString src = metaEnumSrc.valueToKey( s.src );
    const QString var = name( s.envVar );
 
    const QString msg = "  - " + var + " / '" + s.iniKey + "' (" + s.descr + "): '" + value( s.envVar ).toString() + "' (read from " + src + ")";
    QgsMessageLog::logMessage( msg, "Server", Qgis::MessageLevel::Info );
  }
 
  if ( !iniFile().isEmpty() )
  {
    const QString msg = "Ini file used to initialize settings: " + iniFile();
    QgsMessageLog::logMessage( msg, "Server", Qgis::MessageLevel::Info );
  }
}
 
// getter
QString QgsServerSettings::iniFile() const
{
  return QSettings().fileName();
}
 
bool QgsServerSettings::parallelRendering() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_PARALLEL_RENDERING ).toBool();
}
 
int QgsServerSettings::maxThreads() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_MAX_THREADS ).toInt();
}
 
QString QgsServerSettings::logFile() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_LOG_FILE ).toString();
}
 
bool QgsServerSettings::logStderr() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_LOG_STDERR ).toBool();
}
 
Qgis::MessageLevel QgsServerSettings::logLevel() const
{
  return static_cast<Qgis::MessageLevel>( value( QgsServerSettingsEnv::QGIS_SERVER_LOG_LEVEL ).toInt() );
}
 
QString QgsServerSettings::projectFile() const
{
  return value( QgsServerSettingsEnv::QGIS_PROJECT_FILE ).toString();
}
 
qint64 QgsServerSettings::cacheSize() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_CACHE_SIZE ).toLongLong();
}
 
QString QgsServerSettings::cacheDirectory() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_CACHE_DIRECTORY ).toString();
}
 
QString QgsServerSettings::overrideSystemLocale() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE ).toString();
}
 
bool QgsServerSettings::showGroupSeparator() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_SHOW_GROUP_SEPARATOR ).toBool();
}
 
int QgsServerSettings::wmsMaxHeight() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_WMS_MAX_HEIGHT ).toInt();
}
 
int QgsServerSettings::wmsMaxWidth() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_WMS_MAX_WIDTH ).toInt();
}
 
QString QgsServerSettings::landingPageProjectsDirectories() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_LANDING_PAGE_PROJECTS_DIRECTORIES, true ).toString();
}
 
QString QgsServerSettings::landingPageProjectsPgConnections() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_LANDING_PAGE_PROJECTS_PG_CONNECTIONS, true ).toString();
}
 
QString QgsServerSettings::landingPageBaseUrlPrefix() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_LANDING_PAGE_PREFIX, true ).toString();
}
 
QString QgsServerSettings::apiResourcesDirectory() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_API_RESOURCES_DIRECTORY ).toString();
}
 
qlonglong QgsServerSettings::apiWfs3MaxLimit() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_API_WFS3_MAX_LIMIT ).toLongLong();
}
 
bool QgsServerSettings::ignoreBadLayers() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_IGNORE_BAD_LAYERS ).toBool();
}
 
bool QgsServerSettings::trustLayerMetadata() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_TRUST_LAYER_METADATA ).toBool();
}
 
bool QgsServerSettings::forceReadOnlyLayers() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_FORCE_READONLY_LAYERS ).toBool();
}
 
bool QgsServerSettings::getPrintDisabled() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_DISABLE_GETPRINT ).toBool();
}
 
bool QgsServerSettings::logProfile() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_LOG_PROFILE, false ).toBool();
}
 
QString QgsServerSettings::serviceUrl( const QString &service ) const
{
  QString result;
  if ( service.compare( QLatin1String( "WMS" ) ) )
  {
    result = value( QgsServerSettingsEnv::QGIS_SERVER_WMS_SERVICE_URL ).toString();
  }
  else if ( service.compare( QLatin1String( "WFS" ) ) )
  {
    result = value( QgsServerSettingsEnv::QGIS_SERVER_WFS_SERVICE_URL ).toString();
  }
  else if ( service.compare( QLatin1String( "WCS" ) ) )
  {
    result = value( QgsServerSettingsEnv::QGIS_SERVER_WCS_SERVICE_URL ).toString();
  }
  else if ( service.compare( QLatin1String( "WMTS" ) ) )
  {
    result = value( QgsServerSettingsEnv::QGIS_SERVER_WMTS_SERVICE_URL ).toString();
  }
 
  if ( result.isEmpty() )
  {
    result = value( QgsServerSettingsEnv::QGIS_SERVER_SERVICE_URL ).toString();
  }
 
  return result;
}
 
int QgsServerSettings::projectCacheCheckInterval() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_PROJECT_CACHE_CHECK_INTERVAL ).toInt();
}
 
QString QgsServerSettings::projectCacheStrategy() const
{
  QString result = value( QgsServerSettingsEnv::QGIS_SERVER_PROJECT_CACHE_STRATEGY ).toString();
  if ( result.compare( QLatin1String( "filesystem" ) ) && result.compare( QLatin1String( "periodic" ) ) && result.compare( QLatin1String( "off" ) ) )
  {
    QgsMessageLog::logMessage( QStringLiteral( "Invalid cache strategy, expecting 'filesystem', 'periodic' or 'off'. Using 'filesystem' as default." ), "Server", Qgis::MessageLevel::Warning );
    result = QStringLiteral( "filesystem" );
  }
  return result;
}
 
QStringList QgsServerSettings::allowedExtraSqlTokens() const
{
  const QString strVal { value( QgsServerSettingsEnv::QGIS_SERVER_ALLOWED_EXTRA_SQL_TOKENS ).toString().trimmed() };
  if ( strVal.isEmpty() )
  {
    return QStringList();
  }
  return strVal.split( ',' );
}
 
QString QgsServerSettings::applicationName() const
{
  return value( QgsServerSettingsEnv::QGIS_SERVER_APPLICATION_NAME ).toString().trimmed();
}
 
int QgsServerSettings::capabilitiesCacheSize() const
{
  bool ok;
  int size = value( QgsServerSettingsEnv::QGIS_SERVER_CAPABILITIES_CACHE_SIZE ).toInt( &ok );
  if ( ok && size >= 1 )
    return size;
 
  QgsMessageLog::logMessage( QStringLiteral( "Invalid capabilities cache size, expecting integer - defaulting to 40" ), "Server", Qgis::MessageLevel::Warning );
  return 40;
}