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#include "consumer.h"
using opkele::assoc_t;
using opkele::association;
using opkele::endpoint_t;
using opkele::failed_lookup;
using opkele::params;
using opkele::prequeue_RP;
using opkele::secret_t;
using std::string;
using std::vector;
class Consumer :
public prequeue_RP
{
private: // types
vector<endpoint_t> endpoints;
public: // interface
Consumer(const char *url, singleid_board_t *board)
: _url(url), _board(board)
{ }
public: // overrides
virtual void begin_queueing() const
{ _endpoints.clear(); }
virtual void queue_endpoint(const openid_endpoint_t& oep)
{ _endpoints.push(oep); }
virtual void set_normalized_id(const string& nid)
{ _normalized = nid; }
virtual const string get_normalized_id() const
{ return _normalized; }
virtual const string get_this_url()
{ return _url; }
virtual assoc_t store_assoc(const string& server, const string& handle,
const string& type, const secret_t& secret,
int expires_in);
virtual assoc_t find_assoc(const string& server);
virtual assoc_t retrieve_assoc(const string& server, const string& handle);
virtual assoc_t invalidate_assoc(const string& server, const string& handle);
virtual void check_nonce(const string& server, const string& nonce);
private: // data
singleid_board_t _board;
endpoints _endpoints;
string _normalized;
string _url;
};
assoc_t
Consumer::store_assoc(const string& server, const string& handle,
const string& type, const secret_t& secret,
int expires_in)
{
singleid_assoc_t data;
int res;
data.server = server.c_str();
data.handle = handle.c_str();
data.type = type.c_str();
data.secret = secret.data();
data.n_secret = secret.size();
data.expires = expires_in;
{
LockShared lock; /* scoped lock */
res = singleid_board_store_assoc (_board, &data);
}
if (!res)
throw dump_RP("association data was too large to fit in shared storage");
return assoc_t(new association(server, handle, type, secret, expires_on, false));
}
assoc_t
Consumer::find_assoc(const string& server)
{
singleid_assoc_t data = { 0, };
association assoc = NULL;
{
LockShared lock;
if (singleid_board_find_assoc (_board, server.c_str(), NULL, &data))
assoc = new association(data.server, data.handle, data.type,
secret_t(data.secret, data.secret + data.n_secret),
data.expires, false);
}
if (!assoc)
throw failed_lookup("could not find association for server: " + server);
return assoc_t(assoc);
}
assoc_t
Consumer::retrieve_assoc(const string& server, const string& handle)
{
singleid_assoc_t data = { 0, };
association assoc = NULL;
{
LockShared lock;
if (singleid_board_find_assoc (_board, server.c_str(), handle.c_str(), &data))
assoc = new association(data.server, data.handle, data.type,
secret_t(data.secret, data.secret + data.n_secret),
data.expires, false);
}
if (!assoc)
throw failed_lookup("could not retrieve association for server: " + server);
return assoc_t(assoc);
}
assoc_t
Consumer::invalidate_assoc(const string& server, const string& handle)
{
LockShared lock;
singleid_board_invalidate_assoc (_board, server.c_str(), handle.c_str());
}
void
Consumer::check_nonce(const string& server, const string& nonce)
{
LockShared lock;
singleid_board_check_nonce (_board, server.c_str(), nonce.c_str());
}
/* -----------------------------------------------------------------------
* AUTHENTICATION
*/
static void
filter_openid_params (params_t ¶ms, params_t &extensions)
{
for (params_t::iterator it = params.begin(); it != params.end(); ) {
const string& name = it->first;
if (name.find ("openid.") == 0) {
/* Extension params have at least a second dot */
if (name.find ('.', sizeof ("openid.")))
extensions.insert(*it);
/* We erase an increment together, must use post-increment operator */
it->erase(it++);
} else {
/* Did not match, just go to next element */
++it;
}
}
}
static void
start_auth (sid_request_t *req, Consumer &consumer, params_t ¶ms,
const string& trust_root, const string &identity)
{
/* Remove all openid params, and stash away extensions */
filter_openid_params (params);
string return_to = params.append_query (consumer.get_this_url(), "");
params_t result;
try {
openid_message_t cm;
consumer.initiate (identity);
result = consumer.checkid_ (cm, opkele::mode_checkid_setup, return_to, trust_root);
output = result.append_query (consumer.get_endpoint().uri);
} catch (failed_xri_resolution &ex) {
sid_request_respond (xxx, xxx, xxx);
return;
} catch (failed_discovery &ex) {
sid_request_respond (xxx, xxx, xxx);
return;
} catch (bad_input &ex) {
sid_request_respond (xxx, xxx, xxx);
return;
} catch (exception &ex) {
sid_request_respond (xxx, xxx, xxx);
xxx log xxx;
return;
}
sid_request_respond (xxx, xxx, xxx);
}
static void
complete_auth (sid_request_t *req, Consumer &consumer, params_t ¶ms)
{
try {
consumer.id_res(AdaptorFix(params));
string identity = consumer.get_claimed_id();
sid_request_authenticated (req, identity.c_str());
} catch (exception &ex) {
sid_request_respond (xxx, xxx, xxx);
}
}
static void
cancelled_auth (sid_request_t *req, Consumer &consumer, params_t ¶ms)
{
sid_request_respond (xxx, xxx, xxx);
}
void
sid_consumer_authenticate(sid_request_t *req, sid_storage_t *store,
const char *trust_root, const char *identity)
{
params_t params;
assert (req);
assert (store);
const char *qs = sid_request_qs (req);
parse_query_string (qs, params);
const char *url = sid_request_url (req);
Consumer consumer(url, store);
if (params.has_param("openid.assoc_handle"))
complete_auth (req, consumer, params);
else if (params.has_param("openid.mode") && params.get_param("openid.mode") == "cancel")
cancelled_auth (req, consumer, params);
else
begin_auth (req, consumer, params, trust_root, identity);
consumer.close();
}
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