diff options
Diffstat (limited to 'dblib/lighty/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProviderLighty.java')
-rw-r--r-- | dblib/lighty/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProviderLighty.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/dblib/lighty/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProviderLighty.java b/dblib/lighty/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProviderLighty.java new file mode 100644 index 00000000..82579d7e --- /dev/null +++ b/dblib/lighty/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProviderLighty.java @@ -0,0 +1,174 @@ +/*- + * ============LICENSE_START======================================================= + * onap + * ================================================================================ + * Copyright (C) 2016 - 2017 ONAP + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.ccsdk.sli.core.dblib; + +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.util.Optional; +import java.util.Properties; +import java.util.Vector; +import org.onap.ccsdk.sli.core.utils.KarafRootFileResolver; +import org.onap.ccsdk.sli.core.utils.PropertiesFileResolver; +import org.onap.ccsdk.sli.core.utils.common.CoreDefaultFileResolver; +import org.onap.ccsdk.sli.core.utils.common.SdncConfigEnvVarFileResolver; +import org.opendaylight.aaa.encrypt.AAAEncryptionService; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * THIS CLASS IS A COPY OF {@link DBLIBResourceProvider} WITH REMOVED OSGi DEPENDENCIES + */ +public class DBLIBResourceProviderLighty { + + private static final Logger LOG = LoggerFactory.getLogger(DBLIBResourceProviderLighty.class); + + /** + * The name of the properties file for database configuration + */ + private static final String DBLIB_PROP_FILE_NAME = "dblib.properties"; + + private static final String DBLIB_PROPERTY_NAME = "org.onap.ccsdk.sli.jdbc.password"; + private final AAAEncryptionService aaaEncryptionService; + + /** + * A prioritized list of strategies for resolving dblib properties files. + */ + private Vector<PropertiesFileResolver> dblibPropertiesFileResolvers = new Vector<>(); + + /** + * The configuration properties for the db connection. + */ + private Properties properties; + + /** + * Set up the prioritized list of strategies for resolving dblib properties files. + */ + public DBLIBResourceProviderLighty(AAAEncryptionService aaaEncryptionService) { + this.aaaEncryptionService = aaaEncryptionService; + + dblibPropertiesFileResolvers.add(new SdncConfigEnvVarFileResolver( + "Using property file (1) from environment variable" + )); + dblibPropertiesFileResolvers.add(new CoreDefaultFileResolver( + "Using property file (2) from default directory" + )); + dblibPropertiesFileResolvers.add(new KarafRootFileResolver( + "Using property file (4) from karaf root", this)); + + // determines properties file as according to the priority described in the class header comment + final File propertiesFile = determinePropertiesFile(this); + if (propertiesFile != null) { + try(FileInputStream fileInputStream = new FileInputStream(propertiesFile)) { + properties = new Properties(); + properties.load(fileInputStream); + + if(properties.containsKey(DBLIB_PROPERTY_NAME)) { + String sensitive = properties.getProperty(DBLIB_PROPERTY_NAME); + if(sensitive != null && sensitive.startsWith("ENC:")) { + try { + sensitive = sensitive.substring(4); + String postsense = decrypt(sensitive); + properties.setProperty(DBLIB_PROPERTY_NAME, postsense); + } catch(Exception exc) { + LOG.error("Failed to translate property", exc); + } + } + } + + } catch (final IOException e) { + LOG.error("Failed to load properties for file: {}", propertiesFile.toString(), + new DblibConfigurationException("Failed to load properties for file: " + + propertiesFile.toString(), e)); + } + } + } + + /** + * + * @param value + * @return decrypted string if successful or the original value if unsuccessful + */ + private String decrypt(String value) { + return aaaEncryptionService.decrypt(value); + } + + /** + * Extract db config properties. + * + * @return the db config properties + */ + public Properties getProperties() { + return properties; + } + + /** + * Reports the method chosen for properties resolution to the <code>Logger</code>. + * + * @param message Some user friendly message + * @param fileOptional The file location of the chosen properties file + * @return the file location of the chosen properties file + */ + private static File reportSuccess(final String message, final Optional<File> fileOptional) { + if(fileOptional.isPresent()) { + final File file = fileOptional.get(); + LOG.info("{} {}", message, file.getPath()); + return file; + } + return null; + } + + /** + * Reports fatal errors. This is the case in which no properties file could be found. + * + * @param message An appropriate fatal error message + * @param dblibConfigurationException An exception describing what went wrong during resolution + */ + private static void reportFailure(final String message, + final DblibConfigurationException dblibConfigurationException) { + + LOG.error("{}", message, dblibConfigurationException); + } + + /** + * Determines the dblib properties file to use based on the following priority: + * <ol> + * <li>A directory identified by the system environment variable <code>SDNC_CONFIG_DIR</code></li> + * <li>The default directory <code>DEFAULT_DBLIB_PROP_DIR</code></li> + * <li>A directory identified by the JRE argument <code>dblib.properties</code></li> + * <li>A <code>dblib.properties</code> file located in the karaf root directory</li> + * </ol> + */ + File determinePropertiesFile(final DBLIBResourceProviderLighty dblibResourceProvider) { + + for (final PropertiesFileResolver dblibPropertiesFileResolver : dblibPropertiesFileResolvers) { + final Optional<File> fileOptional = dblibPropertiesFileResolver.resolveFile(DBLIB_PROP_FILE_NAME); + if (fileOptional.isPresent()) { + return reportSuccess(dblibPropertiesFileResolver.getSuccessfulResolutionMessage(), fileOptional); + } + } + + reportFailure("Missing configuration properties resource(3)", + new DblibConfigurationException("Missing configuration properties resource(3): " + + DBLIB_PROP_FILE_NAME)); + return null; + } +} |