Implement URI construction handling append='qxri' xrd:URI attribute.

This is the right thing to do and may come in handy assisting OPs in improving
UI.

Signed-off-by: Michael Krelin <hacker@klever.net>

2 files changed, 31 insertions, 8 deletions

diff --git a/include/opkele/discovery.h b/include/opkele/discovery.h
index ab4b9d9..677d7bb 100644
--- a/include/opkele/discovery.h
+++ b/include/opkele/discovery.h
@@ -37,3 +37,11 @@ namespace opkele {
         typedef set<string> types_t;
-        typedef priority_map<string> uris_t;
+        struct uri_t {
+            string uri;
+            string append;
+
+            uri_t() { }
+            uri_t(const string& u) : uri(u) { }
+            uri_t(const string& u,const string& a) : uri(u), append(a) { }
+        };
+        typedef priority_map<uri_t> uris_t;
 
diff --git a/lib/discovery.cc b/lib/discovery.cc
index 93409f4..6e20654 100644
--- a/lib/discovery.cc
+++ b/lib/discovery.cc
@@ -61,2 +61,11 @@ namespace opkele {
     }
+    /* TODO: ideally all attributes should be
+     * retrieved in one run */
+    static const char *element_attr(const XML_Char **a, const char *at) {
+        for(;*a;++a)
+            if(!strcasecmp(*(a++),at)) {
+                return *a;
+            }
+        return 0;
+    }
 
@@ -120,4 +129,3 @@ namespace opkele {
                      * or whatever... */
-                    rv = idis.normalized_id = id;
-                    idis.xri_identity = true;
+                    rv = id;
                     set<string> cids;
@@ -157,2 +165,3 @@ namespace opkele {
                         idis.canonicalized_id = cid;
+                        idis.normalized_id = rv; idis.xri_identity = true;
                         queue_endpoints(oi,idis,st);
@@ -197,3 +206,2 @@ namespace opkele {
             void discover_at(idiscovery_t& idis,const string& url,int xm) {
-                DOUT_("Doing discovery at " << url);
                 CURLcode r = easy_setopt(CURLOPT_URL,url.c_str());
@@ -392,3 +400,5 @@ namespace opkele {
                                 assert(xrd); assert(xrd_service);
-                                cdata = &(xrd_service->uris.add(element_priority(a),string()));
+                                const char *append = element_attr(a,"append");
+                                xrd::uri_t& uri = xrd_service->uris.add(element_priority(a),xrd::uri_t("",append?append:""));
+                                cdata = &uri.uri;
                             }else if(is_qelement(n,NSURI_XRD "\tLocalID")
@@ -486,3 +496,3 @@ namespace opkele {
                         if(rel=="openid.server")
-                            html_openid1.uris.add(-1,href);
+                            html_openid1.uris.add(-1,xrd::uri_t(href));
                         else if(rel=="openid.delegate")
@@ -490,3 +500,3 @@ namespace opkele {
                         else if(rel=="openid2.provider")
-                            html_openid2.uris.add(-1,href);
+                            html_openid2.uris.add(-1,xrd::uri_t(href));
                         else if(rel=="openid2.local_id")
@@ -509,3 +519,8 @@ namespace opkele {
                     for(xrd::uris_t::const_iterator iu=svc.uris.begin();iu!=svc.uris.end();++iu) {
-                        ep.uri = iu->second;
+                        ep.uri = iu->second.uri;
+                        if(id.xri_identity) {
+                            if(iu->second.append=="qxri") {
+                                ep.uri += id.normalized_id;
+                            } /* TODO: else handle other append attribute values */
+                        }
                         if(st->forceid) {