| -rw-r--r-- | include/opkele/consumer.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/opkele/consumer.h b/include/opkele/consumer.h index 042e2d1..b9d1e54 100644 --- a/include/opkele/consumer.h +++ b/include/opkele/consumer.h @@ -1,74 +1,91 @@ #ifndef __OPKELE_CONSUMER_H #define __OPKELE_CONSUMER_H #include <opkele/types.h> #include <opkele/extension.h> /** * @file * @brief OpenID consumer-side functionality */ namespace opkele { /** * implementation of basic consumer functionality + * + * @note + * The consumer uses libcurl internally, which means that if you're using + * libopkele in multithreaded environment you should call curl_global_init + * yourself before spawning any threads. */ class consumer_t { public: /** * store association. The function should be overridden in the real * implementation to provide persistent associations store. * @param server the OpenID server * @param handle association handle * @param secret the secret associated with the server and handle * @param expires_in the number of seconds until the handle is expired * @return the auto_ptr<> for the newly allocated association_t object */ virtual assoc_t store_assoc(const string& server,const string& handle,const secret_t& secret,int expires_in) = 0; /** * retrieve stored association. The function should be overridden * in the real implementation to provide persistent assocations * store. + * + * @note + * The user is responsible for handling associations expiry and + * this function should never return an expired or invalidated + * association. + * * @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 + * @throw failed_lookup if no unexpired association found */ 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. + * + * @note + * The user is responsible for handling associations and this + * function should never return an expired or invalidated + * association. + * * @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 |