From 95f8ddb6de40e59f8209f8b96d543bb18a434e20 Mon Sep 17 00:00:00 2001
From: Matthias Andreas Benkard <code@mail.matthias.benkard.de>
Date: Mon, 18 Jun 2012 22:58:35 +0200
Subject: Issue webID-enabled certificates to users.

---
 src/mulk/benki/db.clj     |  2 +-
 src/mulk/benki/genkey.clj | 23 ++++++++++++++++-------
 src/mulk/benki/id.clj     |  3 +++
 src/mulk/benki/util.clj   | 10 +++++++++-
 4 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/src/mulk/benki/db.clj b/src/mulk/benki/db.clj
index 343b09f..b45ec30 100644
--- a/src/mulk/benki/db.clj
+++ b/src/mulk/benki/db.clj
@@ -1,6 +1,6 @@
 (ns mulk.benki.db
   (:refer-clojure)
-  (:use [mulk.benki util config])
+  (:use [mulk.benki config])
   (:require [clojure.java.jdbc :as sql]))
 
 
diff --git a/src/mulk/benki/genkey.clj b/src/mulk/benki/genkey.clj
index 0378181..381bc00 100644
--- a/src/mulk/benki/genkey.clj
+++ b/src/mulk/benki/genkey.clj
@@ -24,7 +24,10 @@
             BcRSAContentSignerBuilder]
            [org.bouncycastle.asn1.x509
             X509Name
-            SubjectPublicKeyInfo]
+            X509Extension
+            SubjectPublicKeyInfo
+            GeneralName
+            GeneralNames]
            [org.bouncycastle.asn1.x500
             X500Name]))
 
@@ -70,7 +73,7 @@
 (defn twenty-years-from-now []
   (java.util.Date. (+ (* 20 3600 24 365 1000) (.getTime (now)))))
 
-(defn sign-spkac [spkac]
+(defn sign-spkac [spkac user]
   (let [serial     (swap! cert-serial inc)
         pubkeyinfo (-> spkac
                        (.getPublicKeyAndChallenge)
@@ -80,10 +83,16 @@
                     (java.math.BigInteger. (str serial))
                     (now)
                     (twenty-years-from-now)
-                    (X500Name. "CN=Benki User")
-                    pubkeyinfo)
-        cert        (.build builder cert-signer)]
-    cert))
+                    (X500Name. (fmt nil "CN=Benki User (~a)" (user-nickname user)))
+                    pubkeyinfo)]
+    (.addExtension builder
+                   X509Extension/subjectAlternativeName
+                   true
+                   (GeneralNames.
+                    (GeneralName.
+                     GeneralName/uniformResourceIdentifier
+                     (link :profile user))))
+    (.build builder cert-signer)))
 
 (defpage "/genkey" []
   (redirect "/keys"))
@@ -100,7 +109,7 @@
       ;;(redirect (linkrel :keys))
       {:status  200
        :headers {"Content-Type" "application/x-x509-user-cert"}
-       :body    (.getEncoded (sign-spkac spkac))})))
+       :body    (.getEncoded (sign-spkac spkac *user*))})))
 
 (defpage "/keys" []
   (with-auth
diff --git a/src/mulk/benki/id.clj b/src/mulk/benki/id.clj
index efff197..d1f8263 100644
--- a/src/mulk/benki/id.clj
+++ b/src/mulk/benki/id.clj
@@ -112,3 +112,6 @@
                (get-in (request/ring-request) [:headers "accept"]))
     (render-xrds nickname)
     (show-profile-page)))
+
+(defpage [:get  "/~:nickname"] {nickname :nickname}
+  (redirect (link :profile nickname)))
diff --git a/src/mulk/benki/util.clj b/src/mulk/benki/util.clj
index 46e187d..7f85ead 100644
--- a/src/mulk/benki/util.clj
+++ b/src/mulk/benki/util.clj
@@ -3,7 +3,7 @@
   (:use [hiccup core page-helpers]
         [clojure.core.match :only [match]]
         noir.core
-        [mulk.benki config])
+        [mulk.benki config db])
   (:require [noir.session  :as session]
             [noir.request  :as request]
             [noir.response :as response]
@@ -57,6 +57,13 @@
     content
     (:bottom kind)]))
 
+(defmulti user-nickname type)
+(defmethod user-nickname java.lang.String [x]
+  x)
+(defmethod user-nickname java.lang.Number [x]
+  (with-dbt
+    (:nickname (query1 "SELECT * FROM user_nicknames WHERE \"user\" = ?" x))))
+
 (defn linkrel [& args]
   (match [(vec args)]
     [[:login]]           (str (:cert-req-base @benki-config) "/login")
@@ -71,6 +78,7 @@
     [[:wiki title & xs]] (fmt nil "/wiki/~a~@[~a~]" title (first xs))
     [[:keys]]            "/keys"
     [[:keys :register]]  "/keys/register"
+    [[:profile user]]    (fmt nil "/~~~a" (user-nickname user))
     ))
 
 (defn link [& args]
-- 
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