commit 71f81b737c12268d3b58a281182678b86bc7e90c
parent c02a91ecf5098342af10869465cb3e09b20d81d2
Author: Matyja Lukas Adam <lukas.matyja@students.bfh.ch>
Date: Wed, 20 Mar 2024 10:29:32 +0100
[donau] work on issue receitps blind signatures
Diffstat:
1 file changed, 48 insertions(+), 89 deletions(-)
diff --git a/src/donau/donau-httpd_post-batch-issue.c b/src/donau/donau-httpd_post-batch-issue.c
@@ -15,7 +15,7 @@
*/
/**
* @file donau-httpd_post-batch-issue.c
- * @brief Handle request to insert a charity.
+ * @brief Handle request to issue receipts.
* @author Lukas Matyja
*/
#include <taler/platform.h>
@@ -34,7 +34,7 @@
/**
- * Closure for #insert_charity()
+ * Closure for #issue_receipts()
*/
struct IssueReceiptsContext
{
@@ -75,53 +75,6 @@ parse_json_bkp (struct DONAU_BlindedUniqueDonationIdentifierKeyPair *bkp,
return GNUNET_OK;
}
-/**
- * Function implementing insert charity transaction.
- *
- * Runs the transaction logic; IF it returns a non-error code, the
- * transaction logic MUST NOT queue a MHD response. IF it returns an hard
- * error, the transaction logic MUST queue a MHD response and set @a mhd_ret.
- * IF it returns the soft error code, the function MAY be called again to
- * retry and MUST not queue a MHD response.
- *
- * @param cls closure with a `struct InsertCharityContext`
- * @param connection MHD request which triggered the transaction
- * @param[out] mhd_ret set to MHD response status for @a connection,
- * if transaction failed (!)
- * @return transaction status
- */
-//static enum GNUNET_DB_QueryStatus
-//issue_receipts (void *cls,
-// struct MHD_Connection *connection,
-// MHD_RESULT *mhd_ret)
-//{
-// struct InsertCharityContext *icc = cls;
-// enum GNUNET_DB_QueryStatus qs;
-//
-// qs = DH_plugin->insert_charity (DH_plugin->cls,
-// &icc->charity_pub,
-// icc->charity_name,
-// icc->charity_url,
-// &icc->max_per_year,
-// &icc->receipts_to_date,
-// &icc->current_year,
-// &icc->charity_id);
-// if (qs <= 0)
-// {
-// if (GNUNET_DB_STATUS_SOFT_ERROR != qs)
-// {
-// GNUNET_break (0);
-// *mhd_ret = TALER_MHD_reply_with_error (connection,
-// MHD_HTTP_INTERNAL_SERVER_ERROR,
-// TALER_EC_GENERIC_DB_STORE_FAILED,
-// "insert_charity");
-// return GNUNET_DB_STATUS_HARD_ERROR;
-// }
-// return qs;
-// }
-//
-// return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
-//}
MHD_RESULT
@@ -129,6 +82,9 @@ DH_handler_issue_receipts_post (struct DH_RequestContext *rc,
const json_t *root,
const char *const args[1])
{
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "issue receipts request! \n");
+
unsigned long long charity_id;
char dummy;
@@ -176,6 +132,8 @@ DH_handler_issue_receipts_post (struct DH_RequestContext *rc,
}
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "parse some values!");
/* parse the budikeypairs array */
const uint64_t num_bkp
= json_array_size (budikeypairs);
@@ -197,12 +155,16 @@ DH_handler_issue_receipts_post (struct DH_RequestContext *rc,
}
irc.bkp = bkp;
} else {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "empty array of budi key pairs!");
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"budikeypairs");
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "budi key pairs array is parsed!");
// Get charity pub
struct DONAUDB_CharityMetaData charity_meta;
enum GNUNET_DB_QueryStatus qs_charity;
@@ -230,6 +192,8 @@ DH_handler_issue_receipts_post (struct DH_RequestContext *rc,
break;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "got charity from db!");
/* verify charity signature */
if (GNUNET_OK !=
DONAU_charity_budi_key_pair_verify(num_bkp, &irc.bkp,
@@ -244,6 +208,8 @@ DH_handler_issue_receipts_post (struct DH_RequestContext *rc,
NULL);
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "charity signature valid!");
/* request already made? -> idempotent */
enum GNUNET_DB_QueryStatus qs_check_receipts;
struct DONAUDB_IssuedReceiptsMetaData check_receipts_meta;
@@ -265,55 +231,48 @@ DH_handler_issue_receipts_post (struct DH_RequestContext *rc,
TALER_EC_GENERIC_DB_FETCH_FAILED,
NULL);
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "request have not been made yet (first time)!");
break; // it's the first request from the charity, we can proceed
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "request have been made already!");
// A request was already made. We do not change the annual limit
break;
}
/* check annual limit and change it -> Rollback if we could not save the request*/
/* save Request (charity signature, charity id, amount, hash over bkps) and make it idempotent*/
/* sign budis and send the signatures back */
+ int i = 0;
+ json_t *blind_signatures;
+ blind_signatures = json_array ();
+ while (i < num_bkp) {
+ struct DONAU_BlindedDonationUnitSignature du_sig;
+ // TODO: get donation unit private key
+ const struct DONAU_DonationUnitPrivateKey du_priv;
+ const struct DONAU_BlindedUniqueDonationIdentifier budi = irc.bkp[i].blinded_udi;
+ if (GNUNET_SYSERR == TALER_donation_unit_sign_blinded(&du_sig, &du_priv, &budi)) {
+ GNUNET_break (0);
+ return TALER_MHD_reply_with_error (rc->connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_FETCH_FAILED,
+ NULL);
+ }
+ GNUNET_assert (
+ 0 == json_array_append (
+ blind_signatures,
+ GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_data_auto ("du_sig",
+ &du_sig))));
+ }
-// {
-// MHD_RESULT mhd_ret;
-//
-// if (GNUNET_OK !=
-// DH_DB_run_transaction (rc->connection,
-// "issue_receipts",
-// DH_MT_REQUEST_OTHER,
-// &mhd_ret,
-// &issue_receipts,
-// &irc))
-// {
-// return mhd_ret;
-// }
-// }
-//
-// GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-// "receipts were successfully issued\n");
-//
-// result = TALER_MHD_REPLY_JSON_PACK (
-// rc->connection,
-// MHD_HTTP_OK,
-// GNUNET_JSON_pack_data_auto ("charity_pub",
-// &meta.charity_pub),
-// GNUNET_JSON_pack_string ("url",
-// meta.charity_url),
-// GNUNET_JSON_pack_string ("name",
-// meta.charity_name),
-// TALER_JSON_pack_amount ("max_per_year",
-// &meta.max_per_year),
-// TALER_JSON_pack_amount ("receipts_to_date",
-// &meta.receipts_to_date),
-// GNUNET_JSON_pack_uint64 ("current_year",
-// meta.current_year));
-
-
- return TALER_MHD_reply_with_error (
- rc->connection,
- MHD_HTTP_NOT_FOUND,
- TALER_EC_DONAU_CHARITY_NOT_FOUND,
- NULL);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "made blind signatures!");
+ return TALER_MHD_REPLY_JSON_PACK (
+ rc->connection,
+ MHD_HTTP_OK,
+ GNUNET_JSON_pack_array_steal ("blind_signatures",
+ blind_signatures));
}
