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-rw-r--r--src/include/anastasis_database_plugin.h45
1 files changed, 44 insertions, 1 deletions
diff --git a/src/include/anastasis_database_plugin.h b/src/include/anastasis_database_plugin.h
index e5012a6..20e87d1 100644
--- a/src/include/anastasis_database_plugin.h
+++ b/src/include/anastasis_database_plugin.h
@@ -1,6 +1,6 @@
/*
This file is part of Anastasis
- Copyright (C) 2019-2021 Anastasis SARL
+ Copyright (C) 2019-2022 Anastasis SARL
Anastasis is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
@@ -159,6 +159,24 @@ typedef bool
/**
+ * Function called on matching meta data. Note that if the client did
+ * not provide meta data for @a version, the function will be called
+ * with @a recovery_meta_data being NULL.
+ *
+ * @param cls closure
+ * @param version the version of the recovery document
+ * @param recovery_meta_data contains meta data about the encrypted recovery document
+ * @param recovery_meta_data_size size of @a recovery_meta_data blob
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_NO to abort iteration
+ */
+typedef enum GNUNET_GenericReturnValue
+(*ANASTASIS_DB_RecoveryMetaCallback)(void *cls,
+ uint32_t version,
+ const void *recovery_meta_data,
+ size_t recovery_meta_data_size);
+
+
+/**
* Handle to interact with the database.
*
* Functions ending with "_TR" run their OWN transaction scope
@@ -329,6 +347,8 @@ struct ANASTASIS_DatabasePlugin
* @param recovery_data_hash hash of @a data
* @param recovery_data contains encrypted recovery document
* @param recovery_data_size size of @a recovery_data blob
+ * @param recovery_meta_data contains meta data about the encrypted recovery document
+ * @param recovery_meta_data_size size of @a recovery_meta_data blob
* @param payment_secret identifier for the payment, used to later charge on uploads
* @param[out] version set to the version assigned to the document by the database
* @return transaction status, 0 if upload could not be finished because @a payment_secret
@@ -342,11 +362,34 @@ struct ANASTASIS_DatabasePlugin
const struct GNUNET_HashCode *recovery_data_hash,
const void *recovery_data,
size_t recovery_data_size,
+ const void *recovery_meta_data,
+ size_t recovery_meta_data_size,
const struct ANASTASIS_PaymentSecretP *payment_secret,
uint32_t *version);
/**
+ * Fetch recovery document meta data for user. Returns
+ * meta data in descending order from @a max_version.
+ * The size of the result set may be limited.
+ *
+ * @param cls closure
+ * @param account_pub public key of the user's account
+ * @param max_version the maximum version number the user requests
+ * @param cb function to call on each result
+ * @param cb_cls closure for @a cb
+ * @return transaction status
+ */
+ enum GNUNET_DB_QueryStatus
+ (*get_recovery_meta_data)(
+ void *cls,
+ const struct ANASTASIS_CRYPTO_AccountPublicKeyP *account_pub,
+ uint32_t max_version,
+ ANASTASIS_DB_RecoveryMetaCallback cb,
+ void *cb_cls);
+
+
+ /**
* Fetch recovery document for user according given version.
*
* @param cls closure