ssb: Move identity info gathering to db.

src/ssb.db.h

@@ -564,4 +564,29 @@ int tf_ssb_sqlite_authorizer(void* user_data, int action_code, const char* arg0,
 */
 bool tf_ssb_db_has_invite(sqlite3* db, const char* id);
 
+/**
+** Identity information
+*/
+typedef struct _tf_ssb_identity_info_t
+{
+	/** An array of identities. */
+	const char** identity;
+	/** A array of identities, one for each identity. */
+	const char** name;
+	/** The number of elements in both the identity and name arrays. */
+	int count;
+	/** The active identity. */
+	char active_identity[k_id_base64_len];
+} tf_ssb_identity_info_t;
+
+/**
+** Get available identities, names, and the active identity for a user.
+** @param ssb The SSB instance.
+** @param user The user name.
+** @param package_owner The owner of the package for which identity info is being fetched.
+** @param package_name The name of the package for which identity info is being fetched.
+** @return A struct of identities, names, and the active identity.  Free with tf_free().
+*/
+tf_ssb_identity_info_t* tf_ssb_db_get_identity_info(tf_ssb_t* ssb, const char* user, const char* package_owner, const char* package_name);
+
 /** @} */