Configuration data is read from an XML file, whose location is given by
- * the moa.id.configuration system property.
This class implements the Singleton pattern. The reload()
- * method can be used to update the configuration data. Therefore, it is not
- * guaranteed that consecutive calls to getInstance() will return
- * the same AuthConfigurationProvider all the time. During the
- * processing of a web service request, the current
- * TransactionContext should be used to obtain the
- * AuthConfigurationProvider local to that request.
BKUSelectionType
- */
- public static final String BKU_SELECTION_TYPE_HTMLCOMPLETE =
- "HTMLComplete";
-
- /**
- * BKUSelectionType HTMLSelect, according to schema type BKUSelectionType
- */
- public static final String BKU_SELECTION_TYPE_HTMLSELECT =
- "HTMLSelect";
-
- /**
- * The name of the generic configuration property allowing https connection to
- * the user frontend servlets ("StartAuthentication" and "SelectBKU" servlets)
- */
- public static final String FRONTEND_SERVLETS_ENABLE_HTTP_CONNECTION_PROPERTY =
- "FrontendServlets.EnableHTTPConnection";
-
- /**
- * The name of the generic configuration property allowing to set a individual
- * DATA URL used to communicate with the BKU (SecurityLayer)
- */
- public static final String INDIVIDUAL_DATA_URL_PREFIX =
- "FrontendServlets.DataURLPrefix";
-
- /** Singleton instance. null, if none has been created. */
- private static AuthConfigurationProvider instance;
-
- //
- // configuration data
- //
-
- /**
- * main configuration file directory name used to configure MOA-ID
- */
- private String rootConfigFileDir;
-
- /**
- * configuration files containing transformations for rendering in the
- * secure viewer of the security layer implementation;
- * multiple files can be given for different mime types
- */
- private String[] transformsInfoFileNames;
- /**
- * transformations for rendering in the secure viewer of the security layer implementation,
- * read from {@link transformsInfoFileNames};
- * multiple transformation can be given for different mime types
- */
- private String[] transformsInfos;
- /**
- * parameters for connection to MOA SP component
- */
- private ConnectionParameter moaSpConnectionParameter;
- /**
- * trust profile ID to be used for verifying the identity link signature via MOA ID SP
- */
- private String moaSpIdentityLinkTrustProfileID;
- /**
- * trust profile ID to be used for verifying the AUTH block signature via MOA ID SP
- */
- private String moaSpAuthBlockTrustProfileID;
- /**
- * transformations to be used for verifying the AUTH block signature via MOA ID SP
- */
- private String[] moaSpAuthBlockVerifyTransformsInfoIDs;
- /**
- * X509 SubjectNames which will be trusted
- */
- private String[] identityLinkX509SubjectNames;
-
- /**
- * configuration parameters for online applications
- */
- private OAAuthParameter[] onlineApplicationAuthParameters;
- /**
- * the Selection Type of the bku Selection Element
- */
- private String bKUSelectionType;
- /**
- * is the bku Selection Element present?
- */
- private boolean bKUSelectable;
- /**
- * the bku Selection Connection Parameters
- */
- private ConnectionParameter bKUConnectionParameter;
- /**
- * Return the single instance of configuration data.
- *
- * @return AuthConfigurationProvider The current configuration data.
- * @throws ConfigurationException
- */
- public static synchronized AuthConfigurationProvider getInstance()
- throws ConfigurationException {
-
- if (instance == null) {
- reload();
- }
- return instance;
- }
-
- /**
- * Reload the configuration data and set it if successful.
- *
- * @return AuthConfigurationProvider The loaded configuration data.
- * @throws ConfigurationException Failure to load the configuration data.
- */
- public static synchronized AuthConfigurationProvider reload()
- throws ConfigurationException {
- String fileName = System.getProperty(ConfigurationProvider.CONFIG_PROPERTY_NAME);
- if (fileName == null) {
- throw new ConfigurationException("config.01", null);
- }
- Logger.info("Loading MOA-ID-AUTH configuration " + fileName);
-
- instance = new AuthConfigurationProvider(fileName);
- return instance;
- }
-
- /**
- * Constructor for AuthConfigurationProvider.
- * @param fileName
- * @throws ConfigurationException
- */
- public AuthConfigurationProvider(String fileName)
- throws ConfigurationException {
-
- load(fileName);
- }
-
- /**
- * Load the configuration data from XML file with the given name and build
- * the internal data structures representing the MOA ID configuration.
- *
- * @param fileName The name of the XML file to load.
- * @throws ConfigurationException The MOA configuration could not be
- * read/built.
- */
- private void load(String fileName) throws ConfigurationException {
- InputStream stream = null;
- Element configElem;
- ConfigurationBuilder builder;
-
- try {
- // load the main config file
- stream = new BufferedInputStream(new FileInputStream(fileName));
- configElem = DOMUtils.parseXmlValidating(stream);
- } catch (Throwable t) {
- throw new ConfigurationException("config.03", null, t);
- }
- finally {
- try {
- if (stream != null) {
- stream.close();
- }
- } catch (IOException e) {
- }
- }
- try {
- // determine the directory of the root config file
- rootConfigFileDir = new File(fileName).getParent();
- try {
- rootConfigFileDir = new File(rootConfigFileDir).toURL().toString();
- } catch (MalformedURLException t) {
- throw new ConfigurationException("config.03", null, t);
- }
-
- // build the internal datastructures
- builder = new ConfigurationBuilder(configElem, rootConfigFileDir);
- bKUConnectionParameter = builder.buildAuthBKUConnectionParameter();
- bKUSelectable = (bKUConnectionParameter!=null);
- bKUSelectionType = builder.buildAuthBKUSelectionType();
- genericConfiguration = builder.buildGenericConfiguration();
- transformsInfoFileNames = builder.buildTransformsInfoFileNames();
- loadTransformsInfos();
- moaSpConnectionParameter = builder.buildMoaSpConnectionParameter();
- moaSpIdentityLinkTrustProfileID = builder.getMoaSpIdentityLinkTrustProfileID();
- moaSpAuthBlockTrustProfileID = builder.getMoaSpAuthBlockTrustProfileID();
- moaSpAuthBlockVerifyTransformsInfoIDs = builder.buildMoaSpAuthBlockVerifyTransformsInfoIDs();
- onlineApplicationAuthParameters = builder.buildOnlineApplicationAuthParameters();
- identityLinkX509SubjectNames = builder.getIdentityLink_X509SubjectNames();
- defaultChainingMode = builder.getDefaultChainingMode();
- chainingModes = builder.buildChainingModes();
- trustedCACertificates = builder.getTrustedCACertificates();
- trustedCACertificates = FileUtils.makeAbsoluteURL(trustedCACertificates, rootConfigFileDir); }
-
- catch (Throwable t) {
- throw new ConfigurationException("config.02", null, t);
- }
- }
-
- /**
- * Loads the transformsInfos from files.
- * @throws Exception on any exception thrown
- */
- private void loadTransformsInfos() throws Exception {
-
- transformsInfos = new String[transformsInfoFileNames.length];
- for (int i = 0; i < transformsInfoFileNames.length; i++) {
- String fileURL = transformsInfoFileNames[i];
-
- //if fileURL is relative to rootConfigFileDir make it absolute
- fileURL = FileUtils.makeAbsoluteURL(fileURL, rootConfigFileDir);
- String transformsInfo = FileUtils.readURL(fileURL, DEFAULT_ENCODING);
- transformsInfos[i] = transformsInfo;
- }
- }
- /**
- * Return a string array with all filenames leading
- * to the Transforms Information for the Security Layer
- * @return String[] of filenames to the Security Layer Transforms Information
- */
- public String[] getTransformsInfoFileNames() {
- return transformsInfoFileNames;
- }
-
- /**
- * Build an array of the OnlineApplication Parameters containing information
- * about the authentication component
- * @return An OAProxyParameter array containing beans
- * with all relevant information for theauthentication component of the online
- * application
- */
- public OAAuthParameter[] getOnlineApplicationParameters() {
- return onlineApplicationAuthParameters;
- }
-
- /**
- * Provides configuration information regarding the online application behind
- * the given URL, relevant to the MOA-ID Auth component.
- *
- * @param oaURL URL requested for an online application
- * @return an OAAuthParameter, or null
- * if none is applicable
- */
- public OAAuthParameter getOnlineApplicationParameter(String oaURL) {
- OAAuthParameter[] oaParams = getOnlineApplicationParameters();
- for (int i = 0; i < oaParams.length; i++) {
- OAAuthParameter oaParam = oaParams[i];
- if (oaURL.indexOf(oaParam.getPublicURLPrefix()) == 0)
- return oaParam;
- }
- return null;
- }
-
- /**
- * Return a string with a url-reference to the VerifyAuthBlock trust
- * profile id within the moa-sp part of the authentication component
- *
- * @return String with a url-reference to the VerifyAuthBlock trust profile ID
- */
- public String getMoaSpAuthBlockTrustProfileID() {
- return moaSpAuthBlockTrustProfileID;
- }
-
- /**
- * Return a string array with references to all verify transform info
- * IDs within the moa-sp part of the authentication component
- * @return A string array containing all urls to the
- * verify transform info IDs
- */
- public String[] getMoaSpAuthBlockVerifyTransformsInfoIDs() {
- return moaSpAuthBlockVerifyTransformsInfoIDs;
- }
-
- /**
- * Return a ConnectionParameter bean containing all information
- * of the authentication component moa-sp element
- * @return ConnectionParameter of the authentication component moa-sp element
- */
- public ConnectionParameter getMoaSpConnectionParameter() {
- return moaSpConnectionParameter;
- }
-
- /**
- * Return a string with a url-reference to the VerifyIdentityLink trust
- * profile id within the moa-sp part of the authentication component
- * @return String with a url-reference to the VerifyIdentityLink trust profile ID
- */
- public String getMoaSpIdentityLinkTrustProfileID() {
- return moaSpIdentityLinkTrustProfileID;
- }
- /**
- * Returns the transformsInfos.
- * @return String[]
- */
- public String[] getTransformsInfos() {
- return transformsInfos;
- }
-
- /**
- * Returns the identityLinkX509SubjectNames.
- * @return String[]
- */
- public String[] getIdentityLinkX509SubjectNames() {
- return identityLinkX509SubjectNames;
- }
-
- /**
- * Returns the bKUConnectionParameter.
- * @return ConnectionParameter
- */
- public ConnectionParameter getBKUConnectionParameter() {
- return bKUConnectionParameter;
- }
-
- /**
- * Returns the bKUSelectable.
- * @return boolean
- */
- public boolean isBKUSelectable() {
- return bKUSelectable;
- }
-
- /**
- * Returns the bKUSelectionType.
- * @return String
- */
- public String getBKUSelectionType() {
- return bKUSelectionType;
- }
-
-}
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