introduced extension hooks framework

1 files changed, 8 insertions, 6 deletions

diff --git a/lib/server.cc b/lib/server.cc
index 5eee1f3..8c29abb 100644
--- a/lib/server.cc
+++ b/lib/server.cc
@@ -58,33 +58,33 @@ namespace opkele {
 	switch(st) {
 	    case sess_dh_sha1:
 		pout["session_type"] = "DH-SHA1";
 		pout["dh_server_public"] = util::bignum_to_base64(dh->pub_key);
 		secret.enxor_to_base64(key_sha1,pout["enc_mac_key"]);
 		break;
 	    default:
 		secret.to_base64(pout["mac_key"]);
 		break;
 	}
     }
 
-    void server_t::checkid_immediate(const params_t& pin,string& return_to,params_t& pout) {
-	checkid_(mode_checkid_immediate,pin,return_to,pout);
+    void server_t::checkid_immediate(const params_t& pin,string& return_to,params_t& pout,extension_t *ext) {
+	checkid_(mode_checkid_immediate,pin,return_to,pout,ext);
     }
 
-    void server_t::checkid_setup(const params_t& pin,string& return_to,params_t& pout) {
-	checkid_(mode_checkid_setup,pin,return_to,pout);
+    void server_t::checkid_setup(const params_t& pin,string& return_to,params_t& pout,extension_t *ext) {
+	checkid_(mode_checkid_setup,pin,return_to,pout,ext);
     }
 
-    void server_t::checkid_(mode_t mode,const params_t& pin,string& return_to,params_t& pout) {
+    void server_t::checkid_(mode_t mode,const params_t& pin,string& return_to,params_t& pout,extension_t *ext) {
 	if(mode!=mode_checkid_immediate && mode!=mode_checkid_setup)
 	    throw bad_input(OPKELE_CP_ "invalid checkid_* mode");
 	pout.clear();
 	assoc_t assoc;
 	try {
 	    assoc = retrieve_assoc(pin.get_param("openid.assoc_handle"));
 	}catch(failed_lookup& fl) {
 	    // no handle specified or no valid handle found, going dumb
 	    assoc = alloc_assoc(mode_checkid_setup);
 	    if(pin.has_param("openid.assoc_handle"))
 		pout["invalidate_handle"]=pin.get_param("openid.assoc_handle");
 	}
@@ -97,25 +97,27 @@ namespace opkele {
 	validate(*assoc,pin,identity,trust_root);
 	pout["mode"] = "id_res";
 	pout["assoc_handle"] = assoc->handle();
 	if(pin.has_param("openid.assoc_handle") && assoc->stateless())
 	    pout["invalidate_handle"] = pin.get_param("openid.assoc_handle");
 	pout["identity"] = identity;
 	pout["return_to"] = return_to;
 	/* TODO: eventually remove deprecated stuff */
 	time_t now = time(0);
 	pout["issued"] = util::time_to_w3c(now);
 	pout["valid_to"] = util::time_to_w3c(now+120);
 	pout["exipres_in"] = "120";
-	pout.sign(assoc->secret(),pout["sig"],pout["signed"]="mode,identity,return_to");
+	pout["signed"]="mode,identity,return_to";
+	if(ext) ext->checkid_hook(pin,pout);
+	pout.sign(assoc->secret(),pout["sig"],pout["signed"]);
     }
 
     void server_t::check_authentication(const params_t& pin,params_t& pout) {
 	vector<unsigned char>  sig;
 	mimetic::Base64::Decoder b;
 	const string& sigenc = pin.get_param("openid.sig");
 	mimetic::decode(
 		sigenc.begin(),sigenc.end(), b,
 		back_insert_iterator<vector<unsigned char> >(sig));
 	assoc_t assoc;
 	try {
 	    assoc = retrieve_assoc(pin.get_param("openid.assoc_handle"));