1 files changed, 84 insertions, 0 deletions

diff --git a/include/opkele/ax.h b/include/opkele/ax.h
new file mode 100644
index 0000000..996d756
--- a/dev/null
+++ b/include/opkele/ax.h
@@ -0,0 +1,84 @@
+#ifndef __OPKELE_AX_H
+#define __OPKELE_AX_H
+
+/**
+ * @file
+ * @brief Attribute Exchange extension
+ */
+
+#include <opkele/extension.h>
+
+namespace opkele {
+
+    /**
+     * OpenID simple registration extension implementation
+     * http://openid.net/specs/openid-simple-registration-extension-1_0.html
+     */
+    class ax_t : public extension_t {
+        public:
+            /** special "count" value for add_attribute to request fetching "as many values as possible". */
+            static const int UNLIMITED_COUNT = -1; 
+
+            /** 
+             * Optional URL for receiving future attribute updates.
+             * Set it before checkid_setup to send up the URL; read it after id_res to get it back.
+             */
+            std::string update_url;
+
+            /**
+             * Consumer constructor.
+             */
+            ax_t() : alias_count(0) { }
+
+            /** Adds an attribute to request during checkid_setup. */
+            void add_attribute(const char *uri, bool required, const char *alias = NULL, int count = 1);
+
+            /** Returns an attribute fetched for the given type-uri during id_res. */
+            std::string get_attribute(const char *uri, int index = 0);
+            /** Returns the number of values fetched for the given type-uri during id_res. */
+            size_t get_attribute_count(const char *uri);
+
+            virtual void rp_checkid_hook(basic_openid_message& om);
+            virtual void rp_id_res_hook(const basic_openid_message& om,
+                    const basic_openid_message& sp);
+            virtual void op_checkid_hook(const basic_openid_message& inm);
+            virtual void op_id_res_hook(basic_openid_message& oum);
+
+            virtual void checkid_hook(basic_openid_message& om);
+            virtual void id_res_hook(const basic_openid_message& om,
+                    const basic_openid_message& sp);
+            virtual void checkid_hook(const basic_openid_message& inm,
+                    basic_openid_message& oum);
+
+            /**
+             * Function called after parsing sreg request to set up response
+             * fields. The default implementation tries to send as much fields
+             * as we have. The function is supposed to set the data and
+             * fields_response.
+             * @see fields_response
+             * @param inm incoming openid message
+             * @param oum outgoing openid message
+             */
+            virtual void setup_response(const basic_openid_message& inm,
+                    basic_openid_message& oum);
+
+            virtual void setup_response();
+
+        protected:
+            /** Stores attributes to request fetching during checkid_setup. */
+            struct ax_attr_t {
+                std::string uri;
+                std::string alias;
+                bool required;
+                int count;
+            };
+            std::vector<ax_attr_t> attrs;
+            unsigned int alias_count; // auto-incr counter for auto-named aliases
+
+            /** Stores results from fetch response during id_res. */
+            std::map<std::string, std::vector<std::string> > response_attrs;
+    };
+}
+
+#endif /* __OPKELE_SREG_H */
+