1 files changed, 5 insertions, 0 deletions

diff --git a/include/opkele/consumer.h b/include/opkele/consumer.h
index 3c0ed5f..9932315 100644
--- a/include/opkele/consumer.h
+++ b/include/opkele/consumer.h
@@ -35,103 +35,108 @@ namespace opkele {
              * store.
              * @param server the OpenID server
              * @param handle association handle
              * @return the autho_ptr<> for the newly allocated association_t object
              * @throw failed_lookup in case of error
              */
             virtual assoc_t retrieve_assoc(const string& server,const string& handle) = 0;
             /**
              * invalidate stored association. The function should be overridden
              * in the real implementation of the consumer.
              * @param server the OpenID server
              * @param handle association handle
              */
             virtual void invalidate_assoc(const string& server,const string& handle) = 0;
             /**
              * retrieve any unexpired association for the server. If the
              * function is not overridden in the real implementation, the new
              * association will be established for each request.
              * @param server the OpenID server
              * @return the auto_ptr<> for the newly allocated association_t object
              * @throw failed_lookup in case of absence of the handle
              */
             virtual assoc_t find_assoc(const string& server);
 
             /**
              * retrieve the metainformation contained in link tags from the
              * page pointed by url. the function may implement caching of the
              * information.
              * @param url url to harvest for link tags
              * @param server reference to the string object where to put
              * openid.server value
              * @param delegate reference to the string object where to put the
              * openid.delegate value (if any)
              */
             virtual void retrieve_links(const string& url,string& server,string& delegate);
 
             /**
              * perform the associate request to OpenID server.
              * @param server the OpenID server
              * @return the auto_ptr<> for the newly allocated association_t
              * object, representing established association
              * @throw exception in case of error
              */
             assoc_t associate(const string& server);
             /**
              * prepare the parameters for the checkid_immediate
              * request.
              * @param identity the identity to verify
              * @param return_to the return_to url to pass with the request
              * @param trust_root the trust root to advertise with the request
              * @return the location string
              * @throw exception in case of error
              */
             string checkid_immediate(const string& identity,const string& return_to,const string& trust_root="");
             /**
              * prepare the parameters for the checkid_setup
              * request.
              * @param identity the identity to verify
              * @param return_to the return_to url to pass with the request
              * @param trust_root the trust root to advertise with the request
              * @return the location string
              * @throw exception in case of error
              */
             string checkid_setup(const string& identity,const string& return_to,const string& trust_root="");
             /**
              * the actual implementation behind checkid_immediate() and
              * checkid_setup() functions.
              * @param mode checkid_* mode - either mode_checkid_immediate or mode_checkid_setup
              * @param identity the identity to verify
              * @param return_to the return_to url to pass with the request
              * @param trust_root the trust root to advertise with the request
              * @return the location string
              * @throw exception in case of error
              */
             string checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root="");
             /**
              * verify the id_res response
              * @param pin the response parameters
              * @param identity the identity being checked (if not specified, extracted
              * from the openid.identity parameter
              * @throw id_res_mismatch in case of signature
              * mismatch
              * @throw id_res_setup in case of
              * openid.user_setup_url failure (supposedly
              * checkid_immediate only)
              * @throw id_res_failed in case of failure
              * @throw exception in case of other failures
              */
             void id_res(const params_t& pin,const string& identity="");
             /**
              * perform a check_authentication request.
              * @param server the OpenID server
              * @param p request parameters
              */
             void check_authentication(const string& server,const params_t& p);
 
+            /**
+             * make URL canonical, by adding http:// and trailing slash, if needed.
+             * @param url
+             * @return canonicalized url
+             */
             static string canonicalize(const string& url);
 
     };
 
 }
 
 #endif /* __OPKELE_CONSUMER_H */