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org.apache.rahas.TokenRequestDispatcherConfig Maven / Gradle / Ivy
/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* 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.
*/
package org.apache.rahas;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.ws.security.util.Loader;
import javax.xml.namespace.QName;
import java.io.FileInputStream;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
public class TokenRequestDispatcherConfig {
public final static String CONFIG_PARAM_KEY = "token-dispatcher-configuration";
public final static String CONFIG_FILE_KEY = "token-dispatcher-configuration-file";
private final static QName DISPATCHER_CONFIG = new QName("token-dispatcher-configuration");
private final static QName ISSUER = new QName("issuer");
private final static QName CANCELER = new QName("canceler");
private final static QName VALIDATOR = new QName("validator");
private final static QName RENEWER = new QName("renewer");
private final static QName TOKEN_TYPE = new QName("tokenType");
private final static QName CLASS_ATTR = new QName("class");
private final static QName DEFAULT_ATTR = new QName("default");
private final static QName CONFIGURATION_ELEMENT = new QName("configuration");
private Map issuers;
private Map validators;
private Map renewers;
private Map configFiles = new Hashtable();
private Map configElements = new Hashtable();
private Map configParamNames = new Hashtable();
private String defaultIssuerClassName;
private String defaultCancelerClassName;
private String defaultValidatorClassName;
private String defaultRenewerClassName;
public static TokenRequestDispatcherConfig load(OMElement configElem) throws TrustException {
if (!DISPATCHER_CONFIG.equals(configElem.getQName())) {
throw new TrustException("incorrectConfiguration");
}
TokenRequestDispatcherConfig conf = new TokenRequestDispatcherConfig();
// Issuers
handleIssuers(configElem, conf);
//Validators
handleValidators(configElem, conf);
//Renewers
handleRenewers(configElem, conf);
// Cancelers
handleCancelers(configElem, conf);
//There must be a defulat issuer
if (conf.defaultIssuerClassName == null) {
throw new TrustException("defaultIssuerMissing");
}
return conf;
}
private static void handleCancelers(OMElement configElem,
TokenRequestDispatcherConfig conf) throws TrustException {
OMElement cancelerEle = configElem.getFirstChildWithName(CANCELER); // support only one canceler
if (cancelerEle != null) {
//get the class attr
String cancelerClass = cancelerEle.getAttributeValue(CLASS_ATTR);
if (cancelerClass == null) {
throw new TrustException("missingClassName");
}
conf.defaultCancelerClassName = cancelerClass;
processConfiguration(cancelerEle, conf, cancelerClass);
}
//TODO: imple
}
private static void handleIssuers(OMElement configElem,
TokenRequestDispatcherConfig conf) throws TrustException {
for (Iterator issuerElems = configElem.getChildrenWithName(ISSUER);
issuerElems.hasNext();) {
OMElement element = (OMElement) issuerElems.next();
//get the class attr
String issuerClass = element.getAttributeValue(CLASS_ATTR);
if (issuerClass == null) {
throw new TrustException("missingClassName");
}
String isDefault = element.getAttributeValue(DEFAULT_ATTR);
if (isDefault != null && "true".equalsIgnoreCase(isDefault)) {
//Use the first default issuer as the default isser
if (conf.defaultIssuerClassName == null) {
conf.defaultIssuerClassName = issuerClass;
} else {
throw new TrustException("badDispatcherConfigMultipleDefaultIssuers");
}
}
processConfiguration(element, conf, issuerClass);
//Process token types
for (Iterator tokenTypes = element.getChildrenWithName(TOKEN_TYPE);
tokenTypes.hasNext();) {
OMElement type = (OMElement) tokenTypes.next();
String value = type.getText();
if (value == null || value.trim().length() == 0) {
throw new TrustException("invalidTokenTypeDefinition",
new String[]{"Issuer", issuerClass});
}
if (conf.issuers == null) {
conf.issuers = new Hashtable();
}
//If the token type is not already declared then add it to the
//table with the issuer classname
if (!conf.issuers.keySet().contains(value)) {
conf.issuers.put(value, issuerClass);
}
}
}
}
private static void handleValidators(OMElement configElem,
TokenRequestDispatcherConfig conf) throws TrustException {
for (Iterator validatorElems = configElem.getChildrenWithName(VALIDATOR);
validatorElems.hasNext();) {
OMElement element = (OMElement) validatorElems.next();
//get the class attr
String validatorClass = element.getAttributeValue(CLASS_ATTR);
if (validatorClass == null) {
throw new TrustException("missingClassName");
}
String isDefault = element.getAttributeValue(DEFAULT_ATTR);
if (isDefault != null && "true".equalsIgnoreCase(isDefault)) {
//Use the first default issuer as the default isser
if (conf.defaultValidatorClassName == null) {
conf.defaultValidatorClassName = validatorClass;
} else {
throw new TrustException("badDispatcherConfigMultipleDefaultValidators");
}
}
processConfiguration(element, conf, validatorClass);
//Process token types
for (Iterator tokenTypes = element.getChildrenWithName(TOKEN_TYPE);
tokenTypes.hasNext();) {
OMElement type = (OMElement) tokenTypes.next();
String value = type.getText();
if (value == null || value.trim().length() == 0) {
throw new TrustException("invalidTokenTypeDefinition",
new String[]{"Validator", validatorClass});
}
if (conf.validators == null) {
conf.validators = new Hashtable();
}
//If the token type is not already declared then add it to the
//table with the validator classname
if (!conf.validators.keySet().contains(value)) {
conf.validators.put(value, validatorClass);
}
}
}
}
private static void handleRenewers(OMElement configElem,
TokenRequestDispatcherConfig conf) throws TrustException {
for (Iterator renewerElems = configElem.getChildrenWithName(RENEWER);
renewerElems.hasNext();) {
OMElement element = (OMElement) renewerElems.next();
//get the class attr
String renewerClass = element.getAttributeValue(CLASS_ATTR);
if (renewerClass == null) {
throw new TrustException("missingClassName");
}
String isDefault = element.getAttributeValue(DEFAULT_ATTR);
if (isDefault != null && "true".equalsIgnoreCase(isDefault)) {
//Use the first default issuer as the default isser
if (conf.defaultRenewerClassName == null) {
conf.defaultRenewerClassName = renewerClass;
} else {
throw new TrustException("badDispatcherConfigMultipleDefaultRenewers");
}
}
processConfiguration(element, conf, renewerClass);
//Process token types
for (Iterator tokenTypes = element.getChildrenWithName(TOKEN_TYPE);
tokenTypes.hasNext();) {
OMElement type = (OMElement) tokenTypes.next();
String value = type.getText();
if (value == null || value.trim().length() == 0) {
throw new TrustException("invalidTokenTypeDefinition",
new String[]{"Renewer", renewerClass});
}
if (conf.renewers == null) {
conf.renewers = new Hashtable();
}
//If the token type is not already declared then add it to the
//table with the renwer classname
if (!conf.renewers.keySet().contains(value)) {
conf.renewers.put(value, renewerClass);
}
}
}
}
private static void processConfiguration(OMElement element,
TokenRequestDispatcherConfig conf,
String implClass) {
for (Iterator configs = element.getChildrenWithName(CONFIGURATION_ELEMENT);
configs.hasNext();) {
OMElement configEle = (OMElement) configs.next();
String configType =
configEle.getAttribute(new QName("type")).getAttributeValue().trim();
if (configType.equalsIgnoreCase("file")) { //Process configuration file information
String issuerConfigFile = configEle.getText();
if (issuerConfigFile != null) {
conf.configFiles.put(implClass, issuerConfigFile);
}
} else if (configType.equalsIgnoreCase("element"))
{ //Process configuration element information
conf.configElements.put(implClass, configEle);
} else if (configType.equalsIgnoreCase("parameter"))
{ //Process configuration parameter name information
conf.configParamNames.put(implClass, configEle.getText());
}
}
}
public static TokenRequestDispatcherConfig load(String configFilePath) throws TrustException {
FileInputStream fis;
StAXOMBuilder builder;
try {
fis = new FileInputStream(configFilePath);
builder = new StAXOMBuilder(fis);
} catch (Exception e) {
throw new TrustException("errorLoadingConfigFile", new String[]{configFilePath});
}
return load(builder.getDocumentElement());
}
public TokenIssuer getDefaultIssuerInstace() throws TrustException {
if (this.defaultIssuerClassName != null) {
try {
return createIssuer(this.defaultIssuerClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{this.defaultIssuerClassName}, e);
}
} else {
return null;
}
}
public TokenCanceler getDefaultCancelerInstance() throws TrustException {
if (this.defaultCancelerClassName != null) {
try {
return createCanceler(this.defaultCancelerClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{this.defaultCancelerClassName}, e);
}
} else {
return null;
}
}
public TokenValidator getDefaultValidatorInstance() throws TrustException {
if (this.defaultValidatorClassName != null) {
try {
return createValidator(this.defaultValidatorClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{this.defaultValidatorClassName}, e);
}
} else {
return null;
}
}
public TokenRenewer getDefaultRenewerInstance() throws TrustException {
if (this.defaultRenewerClassName != null) {
try {
return createRenewer(this.defaultRenewerClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{this.defaultRenewerClassName}, e);
}
} else {
return null;
}
}
public String getDefaultIssuerName() {
return this.defaultIssuerClassName;
}
public TokenIssuer getIssuer(String tokenType) throws TrustException {
String issuerClassName = null;
//try to find the issuer class name from the tokenType<->issuer map
if (this.issuers != null) {
issuerClassName = (String) this.issuers.get(tokenType);
}
//If a specific issuer is not found use the default issuer
if (issuerClassName == null) {
issuerClassName = this.defaultIssuerClassName;
}
try {
return createIssuer(issuerClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{issuerClassName}, e);
}
}
public TokenValidator getValidator(String tokenType) throws TrustException {
String validatorClassName = null;
//try to find the validator class name from the tokenType<->validator map
if (this.validators != null) {
validatorClassName = (String) this.validators.get(tokenType);
}
//If a specific validator is not found use the default validator
if (validatorClassName == null) {
validatorClassName = this.defaultValidatorClassName;
}
try {
return createValidator(validatorClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{validatorClassName}, e);
}
}
public TokenRenewer getRenewer(String tokenType) throws TrustException {
String renewerClassName = null;
//try to find the renewer class name from the tokenType<->Renewer map
if (this.renewers != null) {
renewerClassName = (String) this.renewers.get(tokenType);
}
//If a specific renewer is not found use the default renewer
if (renewerClassName == null) {
renewerClassName = this.defaultRenewerClassName;
}
try {
return createRenewer(renewerClassName);
} catch (Exception e) {
throw new TrustException("cannotLoadClass",
new String[]{renewerClassName}, e);
}
}
/**
* @param issuerClassName
* @return TokenIssuer
*/
private TokenIssuer createIssuer(String issuerClassName) throws Exception {
TokenIssuer issuer = (TokenIssuer) Loader.loadClass(this.getClass().getClassLoader(),
issuerClassName).newInstance();
issuer.setConfigurationElement((OMElement) this.configElements.get(issuerClassName));
issuer.setConfigurationFile((String) this.configFiles.get(issuerClassName));
issuer.setConfigurationParamName((String) this.configParamNames.get(issuerClassName));
return issuer;
}
private TokenCanceler createCanceler(String cancelerClassName) throws Exception {
TokenCanceler canceler = (TokenCanceler) Loader.loadClass(this.getClass().getClassLoader(),
cancelerClassName).newInstance();
canceler.setConfigurationElement((OMElement) this.configElements.get(cancelerClassName));
canceler.setConfigurationFile((String) this.configFiles.get(cancelerClassName));
canceler.setConfigurationParamName((String) this.configParamNames.get(cancelerClassName));
return canceler;
}
private TokenValidator createValidator(String validatorClassName) throws Exception {
TokenValidator validator = (TokenValidator) Loader.loadClass(this.getClass().getClassLoader(),
validatorClassName).newInstance();
validator.setConfigurationElement((OMElement) this.configElements.get(validatorClassName));
validator.setConfigurationFile((String) this.configFiles.get(validatorClassName));
validator.setConfigurationParamName((String) this.configParamNames.get(validatorClassName));
return validator;
}
private TokenRenewer createRenewer (String renewerClassName) throws Exception {
TokenRenewer renewer = (TokenRenewer) Loader.loadClass(this.getClass().getClassLoader(),
renewerClassName).newInstance();
renewer.setConfigurationElement((OMElement) this.configElements.get(renewerClassName));
renewer.setConfigurationFile((String) this.configFiles.get(renewerClassName));
renewer.setConfigurationParamName((String) this.configParamNames.get(renewerClassName));
return renewer;
}
}
