5 files changed, 134 insertions, 29 deletions

diff --git a/include/opkele/basic_op.h b/include/opkele/basic_op.h
index 5bba1bf..4daed02 100644
--- a/include/opkele/basic_op.h
+++ b/include/opkele/basic_op.h
@@ -8,7 +8,7 @@
 namespace opkele {
     using std::string;
 
-    class basic_op {
+    class basic_OP {
         public:
             mode_t mode;
             assoc_t assoc;
@@ -35,33 +35,138 @@ namespace opkele {
             void select_identity(const string& c,const string& i);
             void set_claimed_id(const string& c);
 
+            /** @name OpenID operations
+             * @{
+             */
+            /**
+             * Establish association with RP
+             * @param oum reply message
+             * @param inm request message
+             */
             basic_openid_message& associate(
                     basic_openid_message& oum,
                     const basic_openid_message& inm);
 
+            /**
+             * Parse the checkid_* request. The function parses input message,
+             * retrieves the information needed for further processing,
+             * verifies what can be verified at this stage.
+             * @param inm incoming OpenID message
+             * @param ext extension/chain of extensions supported
+             */
             void checkid_(const basic_openid_message& inm,extension_t *ext=0);
+            /**
+             * Build and sign a positive assertion message
+             * @param om outpu OpenID message
+             * @param ext extension/chain of extensions supported
+             * @return reference to om
+             */
             basic_openid_message& id_res(basic_openid_message& om,
                     extension_t *ext=0);
+            /**
+             * Build a 'cancel' negative assertion
+             * @param om output OpenID message
+             * @return reference to om
+             */
             basic_openid_message& cancel(basic_openid_message& om);
+            /**
+             * Build an 'error' reply
+             * @param om output OpenID message
+             * @param error a human-readable message indicating the cause
+             * @param contact contact address for the server administrator (can be empty)
+             * @param reference a reference token (can be empty)
+             * @return reference to om
+             */
             basic_openid_message& error(basic_openid_message& om,
                     const string& error,const string& contact,
                     const string& reference );
+            /**
+             * Build a setup_needed reply to checkid_immediate request
+             * @param oum output OpenID message
+             * @param inm incoming OpenID request being processed
+             * @return reference to oum
+             */
             basic_openid_message& setup_needed(
                     basic_openid_message& oum,const basic_openid_message& inm);
 
+            /**
+             * Process check_authentication request
+             * @param oum output OpenID message
+             * @param inm incoming request
+             * @return reference to oum
+             */
             basic_openid_message& check_authentication(
                     basic_openid_message& oum,const basic_openid_message& inm);
-
+            /**
+             * @}
+             */
+
+            /**
+             * Verify return_to url. The default implementation checks whether
+             * return_to URI matches the realm
+             * @throw bad_realm in case of invalid realm
+             * @throw bad_return_to if return_to doesn't match the realm
+             * @see verify_op::verify_return_to()
+             */
             virtual void verify_return_to();
 
-            virtual assoc_t alloc_assoc(const string& t,size_t kl,bool sl) = 0;
-            virtual assoc_t retrieve_assoc(const string& h) = 0;
-
-            virtual string& alloc_nonce(string& nonce,bool sl) = 0;
+            /**
+             * @name Global persistent store API
+             * These functions are related to the associations with RPs storage
+             * and retrieval and nonce management.
+             * @{
+             */
+            /**
+             * Allocate association.
+             * @param type association type
+             * @param kl association key length
+             * @param sl true if the association is stateless
+             * @return association object
+             */
+            virtual assoc_t alloc_assoc(const string& type,size_t kl,bool sl) = 0;
+            /**
+             * Retrieve valid unexpired association
+             * @param handle association handle
+             * @return association object
+             */
+            virtual assoc_t retrieve_assoc(const string& handle) = 0;
+            /**
+             * Allocate nonce.
+             * @param nonce input-output parameter containing timestamp part of
+             * the nonce on input
+             * @param sl true if the nonce is
+             * @return reference to nonce
+             * @throw failed_lookup if no such valid unexpired association
+             * could be retrieved
+             */
+            virtual string& alloc_nonce(string& nonce) = 0;
+            /**
+             * Check nonce validity
+             * @param nonce nonce to check
+             * @return true if nonce found and isn't yet invalidated
+             */
             virtual bool check_nonce(const string& nonce) = 0;
+            /**
+             * Invalidate nonce
+             * @param nonce nonce to check
+             */
             virtual void invalidate_nonce(const string& nonce) = 0;
-
+            /**
+             * @}
+             */
+
+            /**
+             * @name Site particulars API
+             * @{
+             */
+            /**
+             * Query the absolute URL of the op endpoint
+             * @return fully qualified url of the OP endpoint
+             */
             virtual const string get_op_endpoint() const = 0;
+            /**
+             * @}
+             */
 
     };
 }
diff --git a/include/opkele/verify_op.h b/include/opkele/verify_op.h
index f5c97b2..6c3c386 100644
--- a/include/opkele/verify_op.h
+++ b/include/opkele/verify_op.h
@@ -5,7 +5,7 @@
 
 namespace opkele {
 
-    class verify_op : public basic_op {
+    class verify_op : public basic_OP {
         public:
 
         void verify_return_to();
diff --git a/lib/basic_op.cc b/lib/basic_op.cc
index 7a2dbd2..18446dc 100644
--- a/lib/basic_op.cc
+++ b/lib/basic_op.cc
@@ -10,55 +10,55 @@
 
 namespace opkele {
 
-    void basic_op::reset_vars() {
+    void basic_OP::reset_vars() {
         assoc.reset();
         return_to.clear(); realm.clear();
         claimed_id.clear(); identity.clear();
         invalidate_handle.clear();
     }
 
-    bool basic_op::has_return_to() const {
+    bool basic_OP::has_return_to() const {
         return !return_to.empty();
     }
-    const string& basic_op::get_return_to() const {
+    const string& basic_OP::get_return_to() const {
         if(return_to.empty())
             throw no_return_to(OPKELE_CP_ "No return_to URL provided with request");
         return return_to;
     }
 
-    const string& basic_op::get_realm() const {
+    const string& basic_OP::get_realm() const {
         assert(!realm.empty());
         return realm;
     }
 
-    bool basic_op::has_identity() const {
+    bool basic_OP::has_identity() const {
         return !identity.empty();
     }
-    const string& basic_op::get_claimed_id() const {
+    const string& basic_OP::get_claimed_id() const {
         if(claimed_id.empty())
             throw non_identity(OPKELE_CP_ "attempting to retrieve claimed_id of non-identity related request");
         assert(!identity.empty());
         return claimed_id;
     }
-    const string& basic_op::get_identity() const {
+    const string& basic_OP::get_identity() const {
         if(identity.empty())
             throw non_identity(OPKELE_CP_ "attempting to retrieve identity of non-identity related request");
         assert(!claimed_id.empty());
         return identity;
     }
 
-    bool basic_op::is_id_select() const {
+    bool basic_OP::is_id_select() const {
         return identity==IDURI_SELECT20;
     }
 
-    void basic_op::select_identity(const string& c,const string& i) {
+    void basic_OP::select_identity(const string& c,const string& i) {
         claimed_id = c; identity = i;
     }
-    void basic_op::set_claimed_id(const string& c) {
+    void basic_OP::set_claimed_id(const string& c) {
         claimed_id = c;
     }
 
-    basic_openid_message& basic_op::associate(
+    basic_openid_message& basic_OP::associate(
             basic_openid_message& oum,
             const basic_openid_message& inm) try {
         assert(inm.get_field("mode")=="associate");
@@ -131,7 +131,7 @@ namespace opkele {
         return oum;
     }
 
-    void basic_op::checkid_(const basic_openid_message& inm,
+    void basic_OP::checkid_(const basic_openid_message& inm,
             extension_t *ext) {
         reset_vars();
         string mode = inm.get_field("mode");
@@ -193,7 +193,7 @@ namespace opkele {
         if(ext) ext->op_checkid_hook(inm);
     }
 
-    basic_openid_message& basic_op::id_res(basic_openid_message& om,
+    basic_openid_message& basic_OP::id_res(basic_openid_message& om,
             extension_t *ext) {
         assert(!return_to.empty());
         assert(!is_id_select());
@@ -218,7 +218,7 @@ namespace opkele {
         }
         om.set_field("return_to",return_to);
         string nonce = w3timestr;
-        om.set_field("response_nonce",alloc_nonce(nonce,assoc->stateless()));
+        om.set_field("response_nonce",alloc_nonce(nonce));
         if(!invalidate_handle.empty()) {
             om.set_field("invalidate_handle",invalidate_handle);
             ats += ",invalidate_handle";
@@ -230,14 +230,14 @@ namespace opkele {
         return om;
     }
 
-    basic_openid_message& basic_op::cancel(basic_openid_message& om) {
+    basic_openid_message& basic_OP::cancel(basic_openid_message& om) {
         assert(!return_to.empty());
         om.set_field("ns",OIURI_OPENID20);
         om.set_field("mode","cancel");
         return om;
     }
 
-    basic_openid_message& basic_op::error(basic_openid_message& om,
+    basic_openid_message& basic_OP::error(basic_openid_message& om,
             const string& error,const string& contact,
             const string& reference ) {
         assert(!return_to.empty());
@@ -249,7 +249,7 @@ namespace opkele {
         return om;
     }
 
-    basic_openid_message& basic_op::setup_needed(
+    basic_openid_message& basic_OP::setup_needed(
             basic_openid_message& oum,const basic_openid_message& inm) {
         assert(mode==mode_checkid_immediate);
         assert(!return_to.empty());
@@ -266,7 +266,7 @@ namespace opkele {
         return oum;
     }
 
-    basic_openid_message& basic_op::check_authentication(
+    basic_openid_message& basic_OP::check_authentication(
             basic_openid_message& oum,
             const basic_openid_message& inm) try {
         assert(inm.get_field("mode")=="check_authentication");
@@ -320,7 +320,7 @@ namespace opkele {
         return oum;
     }
 
-    void basic_op::verify_return_to() {
+    void basic_OP::verify_return_to() {
         if(realm.find('#')!=string::npos)
             throw opkele::bad_realm(OPKELE_CP_ "authentication realm contains URI fragment");
         if(!util::uri_matches_realm(return_to,realm))
diff --git a/lib/verify_op.cc b/lib/verify_op.cc
index e7c26b5..0beca2d 100644
--- a/lib/verify_op.cc
+++ b/lib/verify_op.cc
@@ -33,7 +33,7 @@ namespace opkele {
     };
 
     void verify_op::verify_return_to() {
-        basic_op::verify_return_to();
+        basic_OP::verify_return_to();
         try {
             RP_verifier rpv(return_to);
             string drealm = realm;
diff --git a/test/OP.cc b/test/OP.cc
index c919d7f..ce54d92 100644
--- a/test/OP.cc
+++ b/test/OP.cc
@@ -161,7 +161,7 @@ class example_op_t : public opkele::verify_op {
                         strtol(T.get(1,3,nc),0,0) ));
         }
 
-        string& alloc_nonce(string& nonce,bool stateless) {
+        string& alloc_nonce(string& nonce) {
             uuid_t uuid; uuid_generate(uuid);
             nonce += opkele::util::encode_base64(uuid,sizeof(uuid));
             sqlite3_mem_t<char*>