From 51dfd67d0c23b96950bdabacaadf7d3c24f79c26 Mon Sep 17 00:00:00 2001
From: Justin Richer <jricher@mitre.org>
Date: Tue, 16 Apr 2013 17:32:06 -0400
Subject: [PATCH] started webfinger client
---
.../service/impl/WebfingerIssuerService.java | 112 ++++++++++++++++++
1 file changed, 112 insertions(+)
create mode 100644 openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/WebfingerIssuerService.java
diff --git a/openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/WebfingerIssuerService.java b/openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/WebfingerIssuerService.java
new file mode 100644
index 000000000..942a69632
--- /dev/null
+++ b/openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/WebfingerIssuerService.java
@@ -0,0 +1,112 @@
+/**
+ *
+ */
+package org.mitre.openid.connect.client.service.impl;
+
+import java.util.concurrent.ExecutionException;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.http.client.HttpClient;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.mitre.openid.connect.client.model.IssuerServiceResponse;
+import org.mitre.openid.connect.client.service.IssuerService;
+import org.mitre.openid.connect.config.ServerConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+import com.google.common.base.Strings;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+
+/**
+ * Use Webfinger to discover the appropriate issuer for a user-given input string.
+ * @author jricher
+ *
+ */
+public class WebfingerIssuerService implements IssuerService {
+
+ private static Logger logger = LoggerFactory.getLogger(WebfingerIssuerService.class);
+
+ // map of user input -> issuer, loaded dynamically from webfinger discover
+ private LoadingCache<String, String> issuers;
+
+ private String parameterName = "login";
+
+ public WebfingerIssuerService() {
+ issuers = CacheBuilder.newBuilder().build(new WebfingerIssuerFetcher());
+ }
+
+ /* (non-Javadoc)
+ * @see org.mitre.openid.connect.client.service.IssuerService#getIssuer(javax.servlet.http.HttpServletRequest)
+ */
+ @Override
+ public IssuerServiceResponse getIssuer(HttpServletRequest request) {
+
+ String login = request.getParameter(parameterName);
+ if (!Strings.isNullOrEmpty(login)) {
+ try {
+ String issuer = issuers.get(normalizeResource(login));
+ return new IssuerServiceResponse(issuer, null, null);
+ } catch (ExecutionException e) {
+ logger.warn("Issue fetching issuer for user input: " + login, e);
+ return null;
+ }
+
+ } else {
+ logger.warn("No user input given.");
+ return null;
+ }
+ }
+
+ /**
+ * Normalize the resource string as per OIDC Discovery.
+ * @param resource
+ * @return
+ */
+ private String normalizeResource(String resource) {
+ // TODO
+ return null;
+ }
+
+
+ /**
+ * @return the parameterName
+ */
+ public String getParameterName() {
+ return parameterName;
+ }
+
+ /**
+ * @param parameterName the parameterName to set
+ */
+ public void setParameterName(String parameterName) {
+ this.parameterName = parameterName;
+ }
+
+
+ /**
+ * @author jricher
+ *
+ */
+ private class WebfingerIssuerFetcher extends CacheLoader<String, String> {
+ private HttpClient httpClient = new DefaultHttpClient();
+ private HttpComponentsClientHttpRequestFactory httpFactory = new HttpComponentsClientHttpRequestFactory(httpClient);
+ private RestTemplate restTemplate = new RestTemplate(httpFactory);
+ /* (non-Javadoc)
+ * @see com.google.common.cache.CacheLoader#load(java.lang.Object)
+ */
+ @Override
+ public String load(String key) throws Exception {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ }
+
+
+
+}