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authorChristian Grothoff <christian@grothoff.org>2020-11-27 19:32:43 +0100
committerChristian Grothoff <christian@grothoff.org>2020-11-27 19:32:43 +0100
commita6f98bab5a1b9d05851d665782c5e8aad4701a41 (patch)
tree60d9dd899f74bdc956874aa976a13cbf8dd8e318 /src/exchange
parent99de3a49c3c336418a53c6a1842cf4b2e45d80dc (diff)
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first draft for POST /management/keys
Diffstat (limited to 'src/exchange')
-rw-r--r--src/exchange/taler-exchange-httpd_management_auditors.c222
-rw-r--r--src/exchange/taler-exchange-httpd_management_auditors_AP_disable.c218
-rw-r--r--src/exchange/taler-exchange-httpd_management_denominations_HDP_revoke.c112
-rw-r--r--src/exchange/taler-exchange-httpd_management_post_keys.c457
-rw-r--r--src/exchange/taler-exchange-httpd_management_signkey_EP_revoke.c111
-rw-r--r--src/exchange/taler-exchange-httpd_management_wire.c259
-rw-r--r--src/exchange/taler-exchange-httpd_management_wire_disable.c224
7 files changed, 1603 insertions, 0 deletions
diff --git a/src/exchange/taler-exchange-httpd_management_auditors.c b/src/exchange/taler-exchange-httpd_management_auditors.c
new file mode 100644
index 00000000..a69e2788
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_auditors.c
@@ -0,0 +1,222 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_auditors.c
+ * @brief Handle request to add auditor.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_refund.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+/**
+ * Closure for the #add_auditor transaction.
+ */
+struct AddAuditorContext
+{
+ /**
+ * Master signature to store.
+ */
+ struct TALER_MasterSignatureP master_sig;
+
+ /**
+ * Auditor public key this is about.
+ */
+ struct TALER_AuditorPublicKeyP auditor_pub;
+
+ /**
+ * Auditor URL this is about.
+ */
+ const char *auditor_url;
+
+ /**
+ * Timestamp for checking against replay attacks.
+ */
+ struct GNUNET_TIME_Absolute validity_start;
+
+};
+
+
+/**
+ * Function implementing database transaction to add an auditor. 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 AddAuditorContext`
+ * @param connection MHD request which triggered the transaction
+ * @param session database session to use
+ * @param[out] mhd_ret set to MHD response status for @a connection,
+ * if transaction failed (!)
+ * @return transaction status
+ */
+static enum GNUNET_DB_QueryStatus
+add_auditor (void *cls,
+ struct MHD_Connection *connection,
+ struct TALER_EXCHANGEDB_Session *session,
+ MHD_RESULT *mhd_ret)
+{
+ struct AddAuditorContext *aac = cls;
+ struct GNUNET_TIME_Absolute last_date;
+
+ qs = TEH_plugin->lookup_auditor (TEH_plugin->cls,
+ session,
+ &aac->auditor_pub,
+ &last_date);
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_LOOKUP_FAILED,
+ "lookup auditor");
+ return qs;
+ }
+ if (last_date.abs_value_us > aac->start_date.abs_value_us)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_CONFLICT,
+ TALER_EC_EXCHANGE_AUDITOR_MORE_RECENT_PRESENT,
+ NULL);
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ if (0 == qs)
+ qs = TEH_plugin->insert_auditor (TEH_plugin->cls,
+ session,
+ &aac->auditor_pub,
+ aac->auditor_url,
+ aac->start_date,
+ &aac->master_sig);
+ else
+ qs = TEH_plugin->update_auditor (TEH_plugin->cls,
+ session,
+ &aac->auditor_pub,
+ aac->auditor_url,
+ aac->start_date,
+ &aac->master_sig,
+ true);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "add auditor");
+ return qs;
+ }
+ return qs;
+}
+
+
+/**
+ * Handle a "/management/auditors" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param h_denom_pub hash of the public key of the denomination to revoke
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_auditors (
+ struct MHD_Connection *connection,
+ const struct GNUNET_HashCode *h_denom_pub,
+ const json_t *root)
+{
+ struct AddAuditorContext aac;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &aac.master_sig),
+ GNUNET_JSON_spec_fixed_auto ("auditor_pub",
+ &aac.auditor_pub),
+ GNUNET_JSON_spec_string ("auditor_url",
+ &aac.auditor_url),
+ TALER_JSON_spec_absolute_time ("validity_start",
+ &aac.validity_start),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ {
+ struct TALER_MasterAddAuditorPS aa = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_ADD_AUDITOR),
+ .purpose.size = htonl (sizeof (aa)),
+ .start_date = GNUNET_TIME_absolute_hton (validity_start),
+ .auditor_pub = *auditor_pub
+ };
+
+ GNUNET_CRYPTO_hash (auditor_url,
+ strlen (auditor_url) + 1,
+ &aa.h_auditor_url);
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_ADD_AUDITOR,
+ &aa,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_AUDITOR_ADD_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+
+ qs = TEH_DB_run_transaction (connection,
+ "add auditor",
+ &res,
+ &add_auditor,
+ &aac);
+ if (qs < 0)
+ return res;
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_auditors.c */
diff --git a/src/exchange/taler-exchange-httpd_management_auditors_AP_disable.c b/src/exchange/taler-exchange-httpd_management_auditors_AP_disable.c
new file mode 100644
index 00000000..374a9203
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_auditors_AP_disable.c
@@ -0,0 +1,218 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_auditors_AP_disable.c
+ * @brief Handle request to disable auditor.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_refund.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+/**
+ * Closure for the #del_auditor transaction.
+ */
+struct DelAuditorContext
+{
+ /**
+ * Master signature to store.
+ */
+ struct TALER_MasterSignatureP master_sig;
+
+ /**
+ * Auditor public key this is about.
+ */
+ struct TALER_AuditorPublicKeyP auditor_pub;
+
+ /**
+ * Auditor URL this is about.
+ */
+ const char *auditor_url;
+
+ /**
+ * Timestamp for checking against replay attacks.
+ */
+ struct GNUNET_TIME_Absolute validity_end;
+
+};
+
+
+/**
+ * Function implementing database transaction to del an auditor. 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 DelAuditorContext`
+ * @param connection MHD request which triggered the transaction
+ * @param session database session to use
+ * @param[out] mhd_ret set to MHD response status for @a connection,
+ * if transaction failed (!)
+ * @return transaction status
+ */
+static enum GNUNET_DB_QueryStatus
+del_auditor (void *cls,
+ struct MHD_Connection *connection,
+ struct TALER_EXCHANGEDB_Session *session,
+ MHD_RESULT *mhd_ret)
+{
+ struct DelAuditorContext *dac = cls;
+ struct GNUNET_TIME_Absolute last_date;
+
+ qs = TEH_plugin->lookup_auditor (TEH_plugin->cls,
+ session,
+ &dac->auditor_pub,
+ &last_date);
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_LOOKUP_FAILED,
+ "lookup auditor");
+ return qs;
+ }
+ if (last_date.abs_value_us > dac->end_date.abs_value_us)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_CONFLICT,
+ TALER_EC_EXCHANGE_AUDITOR_MORE_RECENT_PRESENT,
+ NULL);
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ if (0 == qs)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_NOT_FOUND,
+ TALER_EC_EXCHANGE_AUDITOR_NOT_FOUND,
+ NULL);
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ qs = TEH_plugin->update_auditor (TEH_plugin->cls,
+ session,
+ &dac->auditor_pub,
+ "",
+ dac->end_date,
+ &dac->master_sig,
+ false);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "del auditor");
+ return qs;
+ }
+ return qs;
+}
+
+
+/**
+ * Handle a "/management/auditors/$AUDITOR_PUB/disable" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param h_denom_pub hash of the public key of the denomination to revoke
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_auditors_AP_disable (
+ struct MHD_Connection *connection,
+ const struct GNUNET_HashCode *h_denom_pub,
+ const json_t *root)
+{
+ struct DelAuditorContext dac;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &dac.master_sig),
+ GNUNET_JSON_spec_fixed_auto ("auditor_pub",
+ &dac.auditor_pub),
+ TALER_JSON_spec_absolute_time ("validity_end",
+ &dac.validity_end),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ {
+ struct TALER_MasterDelAuditorPS da = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_DEL_AUDITOR),
+ .purpose.size = htonl (sizeof (da)),
+ .end_date = GNUNET_TIME_absolute_hton (validity_end),
+ .auditor_pub = *auditor_pub
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_DEL_AUDITOR,
+ &da,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_AUDITOR_DEL_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+
+ qs = TEH_DB_run_transaction (connection,
+ "del auditor",
+ &res,
+ &del_auditor,
+ &dac);
+ if (qs < 0)
+ return res;
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_auditors_AP_disable.c */
diff --git a/src/exchange/taler-exchange-httpd_management_denominations_HDP_revoke.c b/src/exchange/taler-exchange-httpd_management_denominations_HDP_revoke.c
new file mode 100644
index 00000000..990dd2e3
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_denominations_HDP_revoke.c
@@ -0,0 +1,112 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_denominations_HDP_revoke.c
+ * @brief Handle denomination revocation requests.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_refund.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+
+/**
+ * Handle a "/management/denominations/$HDP/revoke" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param h_denom_pub hash of the public key of the denomination to revoke
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_denominations_HDP_revoke (
+ struct MHD_Connection *connection,
+ const struct GNUNET_HashCode *h_denom_pub,
+ const json_t *root)
+{
+ struct TALER_MasterSignatureP master_sig;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &master_sig),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ {
+ struct TALER_MasterDenominationKeyRevocationPS rm = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_DENOMINATION_KEY_REVOKED),
+ .purpose.size = htonl (sizeof (rm)),
+ .h_denom_pub = *h_denom_pub
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_DENOMINATION_KEY_REVOKED,
+ &rm,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_DENOMINATION_REVOKE_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+ qs = TEH_plugin->insert_denomination_revocation (TEH_plugin->cls,
+ NULL,
+ h_denom_pub,
+ &master_sig);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ return TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "denomination revocation");
+ }
+ // FIXME: also update our '/keys' replies! (signal all threads!?!?)
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_denominations_HDP_revoke.c */
diff --git a/src/exchange/taler-exchange-httpd_management_post_keys.c b/src/exchange/taler-exchange-httpd_management_post_keys.c
new file mode 100644
index 00000000..9f7d5633
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_post_keys.c
@@ -0,0 +1,457 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_post_keys.c
+ * @brief Handle request to POST /management/keys
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_refund.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+
+/**
+ * Denomination signature provided.
+ */
+struct DenomSig
+{
+ /**
+ * Hash of a denomination public key.
+ */
+ struct GNUNET_HashCode h_denom_pub;
+
+ /**
+ * Master signature for the @e h_denom_pub.
+ */
+ struct TALER_MasterSignatureP master_sig;
+
+};
+
+
+/**
+ * Signkey signature provided.
+ */
+struct SigningSig
+{
+ /**
+ * Online signing key of the exchange.
+ */
+ struct TALER_ExchangePublicKeyP exchange_pub;
+
+ /**
+ * Master signature for the @e exchange_pub.
+ */
+ struct TALER_MasterSignatureP master_sig;
+
+};
+
+
+/**
+ * Closure for the #add_keys transaction.
+ */
+struct AddKeysContext
+{
+
+ /**
+ * Array of @e nd_sigs denomination signatures.
+ */
+ struct DenomSig *d_sigs;
+
+ /**
+ * Array of @e ns_sigs signkey signatures.
+ */
+ struct SigningSig *s_sigs;
+
+ /**
+ * Length of the d_sigs array.
+ */
+ unsigned int nd_sigs;
+
+ /**
+ * Length of the n_sigs array.
+ */
+ unsigned int ns_sigs;
+
+};
+
+
+/**
+ * Function implementing database transaction to add offline signing keys.
+ * 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 AddKeysContext`
+ * @param connection MHD request which triggered the transaction
+ * @param session database session to use
+ * @param[out] mhd_ret set to MHD response status for @a connection,
+ * if transaction failed (!)
+ * @return transaction status
+ */
+static enum GNUNET_DB_QueryStatus
+add_keys (void *cls,
+ struct MHD_Connection *connection,
+ struct TALER_EXCHANGEDB_Session *session,
+ MHD_RESULT *mhd_ret)
+{
+ struct AddKeysContext *akc = cls;
+
+ /* activate all denomination keys */
+ for (unsigned int i = 0; i<akc->nd_sigs; i++)
+ {
+ enum GNUNET_DB_QueryStatus qs;
+ bool is_active = false;
+
+ qs = TEH_plugin->lookup_future_deomination_key (
+ TEH_plugin->cls,
+ session,
+ &akc->d_sigs[i].h_denom_pub,
+ &META);
+ if (0 == qs)
+ {
+ /* For idempotency, check if the key is already active */
+ qs = TEH_plugin->lookup_deomination_key (
+ TEH_plugin->cls,
+ session,
+ &akc->d_sigs[i].h_denom_pub,
+ &META);
+ is_active = true; /* if we pass, it's active! */
+ }
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_LOOKUP_FAILED,
+ "lookup denomination key");
+ return qs;
+ }
+ if (0 == qs)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_NOT_FOUND,
+ TALER_EC_GENERIC_DENOM_UNKNOWN,
+ GNUNET_h2s (
+ &aks->d_sigs[i].h_denom_pub));
+ return qs;
+ }
+
+ /* check signature is valid */
+ {
+ struct TALER_DenominationKeyValidityPS dkv = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY),
+ .purpose.size = htonl (sizeof (dkv)),
+ .master = TEH_master_public_key,
+ .start = META.start,
+ .expire_withdraw = META.expire_withdraw,
+ .expire_deposit = META.expire_deposit,
+ .expire_legal = META.expire_legal,
+ .value = META.value,
+ .fee_withdraw = META.fee_withdraw,
+ .fee_deposit = META.fee_deposit,
+ .fee_refresh = META.fee_refresh,
+ .fee_refund = META.fee_refund,
+ .denom_hash = akc->d_sigs[i].h_denom_pub
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY,
+ &dkv,
+ &akc->d_sigs[i].master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_KEYS_ADD_SIGNATURE_INVALID,
+ GNUNET_h2s (&aks->d_sigs[i].h_denom_pub));
+ }
+ }
+ if (is_active)
+ continue; /* skip, already known */
+ qs = TEH_plugin->activate_deomination_key (
+ TEH_plugin->cls,
+ session,
+ &akc->d_sigs[i].h_denom_pub,
+ &akc->d_sigs[i].master_sig);
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "activate denomination key");
+ return qs;
+ }
+ GNUNET_assert (0 != qs);
+ }
+
+
+ for (unsigned int i = 0; i<akc->ns_sigs; i++)
+ {
+ enum GNUNET_DB_QueryStatus qs;
+ bool is_active = false;
+
+ // FIXME: future signing keys are currently not in DB,
+ // may want to get them from in-memory instead.
+ qs = TEH_plugin->lookup_future_signing_key (
+ TEH_plugin->cls,
+ session,
+ &akc->s_sigs[i].exchange_pub,
+ &META);
+ if (0 == qs)
+ {
+ /* For idempotency, check if the key is already active */
+ qs = TEH_plugin->lookup_signing_key (
+ TEH_plugin->cls,
+ session,
+ &akc->s_sigs[i].exchange_pub,
+ &META);
+ is_active = true; /* if we pass, it's active! */
+ }
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_LOOKUP_FAILED,
+ "lookup signing key");
+ return qs;
+ }
+ if (0 == qs)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_NOT_FOUND,
+ TALER_EC_GENERIC_SIGNKEY_UNKNOWN,
+ TALER_B2S (
+ &aks->s_sigs[i].exchange_pub));
+ return qs;
+ }
+
+ /* check signature is valid */
+ {
+ struct TALER_ExchangeSigningKeyValidityPS skv = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY),
+ .purpose.size = htonl (sizeof (dkv)),
+ .master_public_key = TEH_master_public_key,
+ .start = x,
+ .expire = y,
+ .end = z,
+ .signkey_pub = akc->d_sigs[i].exchange_pub
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY,
+ &skv,
+ &akc->s_sigs[i].master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_KEYS_ADD_SIGNATURE_INVALID,
+ GNUNET_h2s (&aks->d_sigs[i].h_denom_pub));
+ }
+ }
+ if (is_active)
+ continue; /* skip, already known */
+ qs = TEH_plugin->activate_signing_key (
+ TEH_plugin->cls,
+ session,
+ &akc->s_sigs[i].exchange_pub,
+ &akc->s_sigs[i].master_sig);
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "activate signing key");
+ return qs;
+ }
+ GNUNET_assert (0 != qs);
+ }
+
+ return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; /* only 'success', so >=0, matters here */
+}
+
+
+/**
+ * Handle a POST "/management/keys" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param h_denom_pub hash of the public key of the denomination to revoke
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_post_keys (
+ struct MHD_Connection *connection,
+ const struct GNUNET_HashCode *h_denom_pub,
+ const json_t *root)
+{
+ struct AddKeysContext akc;
+ json_t *denom_sigs;
+ json_t *signkey_sigs;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_json ("denom_sigs",
+ &denom_sigs),
+ GNUNET_JSON_spec_json ("signkey_sigs",
+ &signkey_sigs),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+ bool ok;
+ MHD_RESULT ret;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ if (! (json_is_array (denom_sigs) &&
+ json_is_array (signkey_sigs)) )
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_BAD_REQUEST,
+ TALER_EC_XXX,
+ "array expected for denom_sigs and signkey_sigs");
+ }
+ akc.nd_sigs = json_array_size (denom_sigs);
+ akc.d_sigs = GNUNET_new_array (akc.nd_sigs,
+ struct DenomSig);
+ ok = true;
+ for (unsigned int i = 0; i<akc.nd_sigs; i++)
+ {
+ struct DenomSig *d = &akc.d_sigs[i];
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &d->master_sig),
+ GNUNET_JSON_spec_fixed_auto ("h_denom_pub",
+ &d->h_denom_pub),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ json_array_get (denom_sigs,
+ i));
+ if (GNUNET_SYSERR == res)
+ {
+ ret = MHD_NO; /* hard failure */
+ ok = false;
+ break;
+ }
+ if (GNUNET_NO == res)
+ {
+ ret = MHD_YES;
+ ok = false;
+ break;
+ }
+ }
+ if (! ok)
+ {
+ GNUNET_free (akc.d_sigs);
+ return ret;
+ }
+ akc.ns_sigs = json_array_size (signkey_sigs);
+ akc.s_sigs = GNUNET_new_array (akc.nd_sigs,
+ struct SigningSig);
+ for (unsigned int i = 0; i<akc.nd_sigs; i++)
+ {
+ struct SigningSig *s = &akc.s_sigs[i];
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &s->master_sig),
+ GNUNET_JSON_spec_fixed_auto ("exchange_pub",
+ &s->exchange_pub),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ json_array_get (signkey_sigs,
+ i));
+ if (GNUNET_SYSERR == res)
+ {
+ ret = MHD_NO; /* hard failure */
+ ok = false;
+ break;
+ }
+ if (GNUNET_NO == res)
+ {
+ ret = MHD_YES;
+ ok = false;
+ break;
+ }
+ }
+ if (! ok)
+ {
+ GNUNET_free (akc.d_sigs);
+ GNUNET_free (akc.s_sigs);
+ return ret;
+ }
+ qs = TEH_DB_run_transaction (connection,
+ "add keys",
+ &res,
+ &add_keys,
+ &akc);
+ if (qs < 0)
+ return res;
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_management_post_keys.c */
diff --git a/src/exchange/taler-exchange-httpd_management_signkey_EP_revoke.c b/src/exchange/taler-exchange-httpd_management_signkey_EP_revoke.c
new file mode 100644
index 00000000..4fc190b3
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_signkey_EP_revoke.c
@@ -0,0 +1,111 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_signkey_EP_revoke.c
+ * @brief Handle exchange online signing key revocation requests.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+
+/**
+ * Handle a "/management/signkeys/$EP/revoke" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param exchange_pub exchange online signing public key to revoke
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_signkeys_EP_revoke (
+ struct MHD_Connection *connection,
+ const struct TALER_ExchangePublicKeyP *exchange_pub,
+ const json_t *root)
+{
+ struct TALER_MasterSignatureP master_sig;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &master_sig),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ {
+ struct TALER_MasterDenominationKeyRevocationPS rm = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_SIGNING_KEY_REVOKED),
+ .purpose.size = htonl (sizeof (rm)),
+ .exchange_pub = *exchange_pub
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_SIGNING_KEY_REVOKED,
+ &rm,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_SIGNKEY_REVOKE_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+ qs = TEH_plugin->insert_signkey_revocation (TEH_plugin->cls,
+ NULL,
+ exchange_pub,
+ &master_sig);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ return TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "signkey revocation");
+ }
+ // FIXME: also update our '/keys' replies! (signal all threads!?!?)
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_signkey_HDP_revoke.c */
diff --git a/src/exchange/taler-exchange-httpd_management_wire.c b/src/exchange/taler-exchange-httpd_management_wire.c
new file mode 100644
index 00000000..8a13d6cf
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_wire.c
@@ -0,0 +1,259 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_wire.c
+ * @brief Handle request to add wire account.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_refund.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+/**
+ * Closure for the #add_wire transaction.
+ */
+struct AddWireContext
+{
+ /**
+ * Master signature affirming the WIRE ADD operation
+ * (includes timestamp).
+ */
+ struct TALER_MasterSignatureP master_sig_add;
+
+ /**
+ * Master signature to share with clients affirming the
+ * wire details of the bank.
+ */
+ struct TALER_MasterSignatureP master_sig_wire;
+
+ /**
+ * Payto:// URI this is about.
+ */
+ const char *payto_url;
+
+ /**
+ * Timestamp for checking against replay attacks.
+ */
+ struct GNUNET_TIME_Absolute validity_start;
+
+};
+
+
+/**
+ * Function implementing database transaction to add an wire. 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 AddWireContext`
+ * @param connection MHD request which triggered the transaction
+ * @param session database session to use
+ * @param[out] mhd_ret set to MHD response status for @a connection,
+ * if transaction failed (!)
+ * @return transaction status
+ */
+static enum GNUNET_DB_QueryStatus
+add_wire (void *cls,
+ struct MHD_Connection *connection,
+ struct TALER_EXCHANGEDB_Session *session,
+ MHD_RESULT *mhd_ret)
+{
+ struct AddWireContext *awc = cls;
+ struct GNUNET_TIME_Absolute last_date;
+
+ qs = TEH_plugin->lookup_wire (TEH_plugin->cls,
+ session,
+ awc->payto_uri,
+ &last_date);
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_LOOKUP_FAILED,
+ "lookup wire");
+ return qs;
+ }
+ if (last_date.abs_value_us > awc->start_date.abs_value_us)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_CONFLICT,
+ TALER_EC_EXCHANGE_WIRE_MORE_RECENT_PRESENT,
+ NULL);
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ if (0 == qs)
+ qs = TEH_plugin->insert_wire (TEH_plugin->cls,
+ session,
+ &awc->payto_uri,
+ awc->start_date,
+ &awc->master_sig_add);
+ else
+ qs = TEH_plugin->update_wire (TEH_plugin->cls,
+ session,
+ &awc->payto_uri,
+ awc->start_date,
+ &awc->master_sig_add,
+ true);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "add wire");
+ return qs;
+ }
+ qs = TEH_plugin->insert_wire_details (TEH_plugin->cls,
+ session,
+ &awc->payto_uri,
+ &awc->master_sig_wire);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "add wire details");
+ return qs;
+ }
+ return qs;
+}
+
+
+/**
+ * Handle a "/management/wire" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_denominations_wire (
+ struct MHD_Connection *connection,
+ const json_t *root)
+{
+ struct AddWireContext awc;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig_wire",
+ &awc.master_sig_wire),
+ GNUNET_JSON_spec_fixed_auto ("master_sig_add",
+ &awc.master_sig_add),
+ GNUNET_JSON_spec_string ("payto_uri",
+ &awc.payto_uri),
+ TALER_JSON_spec_absolute_time ("validity_start",
+ &awc.validity_start),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ {
+ struct TALER_MasterAddWirePS aw = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_ADD_WIRE),
+ .purpose.size = htonl (sizeof (aw)),
+ .start_date = GNUNET_TIME_absolute_hton (validity_start),
+ };
+
+ GNUNET_CRYPTO_hash (awc.payto_uri,
+ strlen (awc.payto_uri) + 1,
+ &aw.h_wire);
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_ADD_WIRE,
+ &aw,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_WIRE_ADD_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+ {
+ struct TALER_MasterWireDetailsPS wd = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_ADD_WIRE),
+ .purpose.size = htonl (sizeof (wd)),
+ };
+
+ GNUNET_CRYPTO_hash (awc.payto_uri,
+ strlen (awc.payto_uri) + 1,
+ &wd.h_wire);
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_WIRE_DETAILS,
+ &wd,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_WIRE_DETALS_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+
+ qs = TEH_DB_run_transaction (connection,
+ "add wire",
+ &res,
+ &add_wire,
+ &awc);
+ if (qs < 0)
+ return res;
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_wire.c */
diff --git a/src/exchange/taler-exchange-httpd_management_wire_disable.c b/src/exchange/taler-exchange-httpd_management_wire_disable.c
new file mode 100644
index 00000000..af6b2e56
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_management_wire_disable.c
@@ -0,0 +1,224 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020 Taler Systems SA
+
+ TALER 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
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_management_wire_disable.c
+ * @brief Handle request to disable wire account.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_refund.h"
+#include "taler-exchange-httpd_responses.h"
+#include "taler-exchange-httpd_keystate.h"
+
+/**
+ * Closure for the #del_wire transaction.
+ */
+struct DelWireContext
+{
+ /**
+ * Master signature affirming the WIRE DEL operation
+ * (includes timestamp).
+ */
+ struct TALER_MasterSignatureP master_sig;
+
+ /**
+ * Payto:// URI this is about.
+ */
+ const char *payto_url;
+
+ /**
+ * Timestamp for checking against replay attacks.
+ */
+ struct GNUNET_TIME_Absolute validity_start;
+
+};
+
+
+/**
+ * Function implementing database transaction to del an wire. 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 DelWireContext`
+ * @param connection MHD request which triggered the transaction
+ * @param session database session to use
+ * @param[out] mhd_ret set to MHD response status for @a connection,
+ * if transaction failed (!)
+ * @return transaction status
+ */
+static enum GNUNET_DB_QueryStatus
+del_wire (void *cls,
+ struct MHD_Connection *connection,
+ struct TALER_EXCHANGEDB_Session *session,
+ MHD_RESULT *mhd_ret)
+{
+ struct DelWireContext *awc = cls;
+ struct GNUNET_TIME_Absolute last_date;
+
+ qs = TEH_plugin->lookup_wire (TEH_plugin->cls,
+ session,
+ awc->payto_uri,
+ &last_date);
+ if (qs < 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_LOOKUP_FAILED,
+ "lookup wire");
+ return qs;
+ }
+ if (last_date.abs_value_us > awc->start_date.abs_value_us)
+ {
+ *mhd_ret = TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_CONFLICT,
+ TALER_EC_EXCHANGE_WIRE_MORE_RECENT_PRESENT,
+ NULL);
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ if (0 == qs)
+ qs = TEH_plugin->insert_wire (TEH_plugin->cls,
+ session,
+ &awc->payto_uri,
+ awc->end_date,
+ &awc->master_sig_del);
+ else
+ qs = TEH_plugin->update_wire (TEH_plugin->cls,
+ session,
+ &awc->payto_uri,
+ awc->end_date,
+ &awc->master_sig_del,
+ false);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "del wire");
+ return qs;
+ }
+ qs = TEH_plugin->delete_wire_details (TEH_plugin->cls,
+ session,
+ &awc->payto_uri);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "del wire details");
+ return qs;
+ }
+ return qs;
+}
+
+
+/**
+ * Handle a "/management/wire" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_denominations_wire_disable (
+ struct MHD_Connection *connection,
+ const json_t *root)
+{
+ struct DelWireContext awc;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("master_sig",
+ &awc.master_sig),
+ GNUNET_JSON_spec_string ("payto_uri",
+ &awc.payto_uri),
+ TALER_JSON_spec_absolute_time ("validity_end",
+ &awc.validity_end),
+ GNUNET_JSON_spec_end ()
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ {
+ struct TALER_MasterDelWirePS aw = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_DEL_WIRE),
+ .purpose.size = htonl (sizeof (aw)),
+ .end_date = GNUNET_TIME_absolute_hton (validity_end),
+ };
+
+ GNUNET_CRYPTO_hash (awc.payto_uri,
+ strlen (awc.payto_uri) + 1,
+ &aw.h_wire);
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_DEL_WIRE,
+ &aw,
+ &master_sig.eddsa_sig,
+ &TEH_master_public_key.eddsa_pub))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_WIRE_DEL_SIGNATURE_INVALID,
+ NULL);
+ }
+ }
+ qs = TEH_DB_run_transaction (connection,
+ "del wire",
+ &res,
+ &del_wire,
+ &awc);
+ if (qs < 0)
+ return res;
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_management_wire_disable.c */