diff options
Diffstat (limited to 'src/lib/exchange_api_handle.c')
| -rw-r--r-- | src/lib/exchange_api_handle.c | 321 |
1 files changed, 296 insertions, 25 deletions
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c index 6d1e7b692..e409ee471 100644 --- a/src/lib/exchange_api_handle.c +++ b/src/lib/exchange_api_handle.c @@ -123,6 +123,115 @@ struct TALER_EXCHANGE_GetKeysHandle }; +/** + * Frees @a wfm array. + * + * @param wfm fee array to release + * @param wfm_len length of the @a wfm array + */ +static void +free_fees (struct TALER_EXCHANGE_WireFeesByMethod *wfm, + unsigned int wfm_len) +{ + for (unsigned int i = 0; i<wfm_len; i++) + { + struct TALER_EXCHANGE_WireFeesByMethod *wfmi = &wfm[i]; + + while (NULL != wfmi->fees_head) + { + struct TALER_EXCHANGE_WireAggregateFees *fe + = wfmi->fees_head; + + wfmi->fees_head = fe->next; + GNUNET_free (fe); + } + GNUNET_free (wfmi->method); + } + GNUNET_free (wfm); +} + + +/** + * Parse wire @a fees and return array. + * + * @param master_pub master public key to use to check signatures + * @param fees json AggregateTransferFee to parse + * @param[out] fees_len set to length of returned array + * @return NULL on error + */ +static struct TALER_EXCHANGE_WireFeesByMethod * +parse_fees (const struct TALER_MasterPublicKeyP *master_pub, + const json_t *fees, + unsigned int *fees_len) +{ + struct TALER_EXCHANGE_WireFeesByMethod *fbm; + unsigned int fbml = json_object_size (fees); + unsigned int i = 0; + const char *key; + const json_t *fee_array; + + fbm = GNUNET_new_array (fbml, + struct TALER_EXCHANGE_WireFeesByMethod); + *fees_len = fbml; + json_object_foreach ((json_t *) fees, key, fee_array) { + struct TALER_EXCHANGE_WireFeesByMethod *fe = &fbm[i++]; + unsigned int idx; + json_t *fee; + + fe->method = GNUNET_strdup (key); + fe->fees_head = NULL; + json_array_foreach (fee_array, idx, fee) + { + struct TALER_EXCHANGE_WireAggregateFees *wa + = GNUNET_new (struct TALER_EXCHANGE_WireAggregateFees); + struct GNUNET_JSON_Specification spec[] = { + GNUNET_JSON_spec_fixed_auto ("sig", + &wa->master_sig), + TALER_JSON_spec_amount_any ("wire_fee", + &wa->fees.wire), + TALER_JSON_spec_amount_any ("closing_fee", + &wa->fees.closing), + GNUNET_JSON_spec_timestamp ("start_date", + &wa->start_date), + GNUNET_JSON_spec_timestamp ("end_date", + &wa->end_date), + GNUNET_JSON_spec_end () + }; + + wa->next = fe->fees_head; + fe->fees_head = wa; + if (GNUNET_OK != + GNUNET_JSON_parse (fee, + spec, + NULL, + NULL)) + { + GNUNET_break_op (0); + free_fees (fbm, + i); + return NULL; + } + if (GNUNET_OK != + TALER_exchange_offline_wire_fee_verify ( + key, + wa->start_date, + wa->end_date, + &wa->fees, + master_pub, + &wa->master_sig)) + { + GNUNET_break_op (0); + free_fees (fbm, + i); + return NULL; + } + } /* for all fees over time */ + } /* for all methods */ + GNUNET_assert (i == fbml); + return fbm; +} + + void TEAH_get_auditors_for_dc ( struct TALER_EXCHANGE_Keys *keys, @@ -541,6 +650,9 @@ decode_keys_json (const json_t *resp_obj, const json_t *manifests = NULL; bool no_extensions = false; bool no_signature = false; + const json_t *accounts; + const json_t *fees; + const json_t *wads; if (JSON_OBJECT != json_typeof (resp_obj)) { @@ -612,6 +724,12 @@ decode_keys_json (const json_t *resp_obj, GNUNET_JSON_spec_fixed_auto ( "master_public_key", &key_data->master_pub), + GNUNET_JSON_spec_array_const ("accounts", + &accounts), + GNUNET_JSON_spec_object_const ("wire_fees", + &fees), + GNUNET_JSON_spec_array_const ("wads", + &wads), GNUNET_JSON_spec_timestamp ( "list_issue_date", &key_data->list_issue_date), @@ -740,6 +858,26 @@ decode_keys_json (const json_t *resp_obj, } } + /* Parse wire accounts */ + key_data->fees = parse_fees (&key_data->master_pub, + fees, + &key_data->fees_len); + EXITIF (NULL == key_data->fees); + /* parse accounts */ + GNUNET_array_grow (key_data->accounts, + key_data->accounts_len, + json_array_size (accounts)); + EXITIF (GNUNET_OK != + TALER_EXCHANGE_parse_accounts (&key_data->master_pub, + accounts, + key_data->accounts_len, + key_data->accounts)); + + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Parsed %u wire accounts from JSON\n", + (unsigned int) json_array_size (accounts)); + + /* Parse the supported extension(s): age-restriction. */ /* TODO: maybe lift all this into a FP in TALER_Extension ? */ if (! no_extensions) @@ -1546,6 +1684,13 @@ TALER_EXCHANGE_keys_decref (struct TALER_EXCHANGE_Keys *keys) GNUNET_array_grow (keys->auditors, keys->auditors_size, 0); + TALER_EXCHANGE_free_accounts (keys->accounts_len, + keys->accounts); + GNUNET_array_grow (keys->accounts, + keys->accounts_len, + 0); + free_fees (keys->fees, + keys->fees_len); json_decref (keys->extensions); GNUNET_free (keys->wallet_balance_limit_without_kyc); GNUNET_free (keys->version); @@ -1688,6 +1833,66 @@ add_grp (void *cls, } +/** + * Convert array of account restrictions @a ars to JSON. + * + * @param ar_len length of @a ars + * @param ars account restrictions to convert + * @return JSON representation + */ +static json_t * +ar_to_json (unsigned int ar_len, + const struct TALER_EXCHANGE_AccountRestriction ars[static ar_len]) +{ + json_t *rval; + + rval = json_array (); + GNUNET_assert (NULL != rval); + for (unsigned int i = 0; i<ar_len; i++) + { + const struct TALER_EXCHANGE_AccountRestriction *ar = &ars[i]; + + switch (ar->type) + { + case TALER_EXCHANGE_AR_INVALID: + GNUNET_break (0); + json_decref (rval); + return NULL; + case TALER_EXCHANGE_AR_DENY: + GNUNET_assert ( + 0 == + json_array_append_new ( + rval, + GNUNET_JSON_PACK ( + GNUNET_JSON_pack_string ("type", + "deny")))); + break; + case TALER_EXCHANGE_AR_REGEX: + GNUNET_assert ( + 0 == + json_array_append_new ( + rval, + GNUNET_JSON_PACK ( + GNUNET_JSON_pack_string ( + "type", + "regex"), + GNUNET_JSON_pack_string ( + "regex", + ar->details.regex.posix_egrep), + GNUNET_JSON_pack_string ( + "human_hint", + ar->details.regex.human_hint), + GNUNET_JSON_pack_object_incref ( + "human_hint_i18n", + (json_t *) ar->details.regex.human_hint_i18n) + ))); + break; + } + } + return rval; +} + + json_t * TALER_EXCHANGE_keys_to_json (const struct TALER_EXCHANGE_Keys *kd) { @@ -1697,16 +1902,14 @@ TALER_EXCHANGE_keys_to_json (const struct TALER_EXCHANGE_Keys *kd) json_t *denominations_by_group; json_t *auditors; json_t *recoup; + json_t *wire_fees; + json_t *accounts; json_t *global_fees; json_t *wblwk = NULL; now = GNUNET_TIME_timestamp_get (); signkeys = json_array (); - if (NULL == signkeys) - { - GNUNET_break (0); - return NULL; - } + GNUNET_assert (NULL != signkeys); for (unsigned int i = 0; i<kd->num_sign_keys; i++) { const struct TALER_EXCHANGE_SigningPublicKey *sk = &kd->sign_keys[i]; @@ -1727,28 +1930,14 @@ TALER_EXCHANGE_keys_to_json (const struct TALER_EXCHANGE_Keys *kd) sk->valid_until), GNUNET_JSON_pack_timestamp ("stamp_end", sk->valid_legal)); - if (NULL == signkey) - { - GNUNET_break (0); - continue; - } - if (0 != json_array_append_new (signkeys, - signkey)) - { - GNUNET_break (0); - json_decref (signkey); - json_decref (signkeys); - return NULL; - } - } - denominations_by_group = json_array (); - if (NULL == denominations_by_group) - { - GNUNET_break (0); - json_decref (signkeys); - return NULL; + GNUNET_assert (NULL != signkey); + GNUNET_assert (0 == + json_array_append_new (signkeys, + signkey)); } + denominations_by_group = json_array (); + GNUNET_assert (NULL != denominations_by_group); { struct GNUNET_CONTAINER_MultiHashMap *dbg; @@ -1908,6 +2097,82 @@ TALER_EXCHANGE_keys_to_json (const struct TALER_EXCHANGE_Keys *kd) GNUNET_JSON_pack_data_auto ("master_sig", &gf->master_sig)))); } + + accounts = json_array (); + GNUNET_assert (NULL != accounts); + for (unsigned int i = 0; i<kd->accounts_len; i++) + { + const struct TALER_EXCHANGE_WireAccount *acc + = &kd->accounts[i]; + json_t *credit_restrictions; + json_t *debit_restrictions; + + credit_restrictions + = ar_to_json (acc->credit_restrictions_length, + acc->credit_restrictions); + GNUNET_assert (NULL != credit_restrictions); + debit_restrictions + = ar_to_json (acc->debit_restrictions_length, + acc->debit_restrictions); + GNUNET_assert (NULL != debit_restrictions); + GNUNET_assert ( + 0 == + json_array_append_new ( + accounts, + GNUNET_JSON_PACK ( + GNUNET_JSON_pack_string ("payto_uri", + acc->payto_uri), + GNUNET_JSON_pack_allow_null ( + GNUNET_JSON_pack_string ("conversion_url", + acc->conversion_url)), + GNUNET_JSON_pack_array_steal ("debit_restrictions", + debit_restrictions), + GNUNET_JSON_pack_array_steal ("credit_restrictions", + credit_restrictions), + GNUNET_JSON_pack_data_auto ("master_sig", + &acc->master_sig)))); + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Serialized %u/%u wire accounts to JSON\n", + (unsigned int) json_array_size (accounts), + kd->accounts_len); + + wire_fees = json_object (); + GNUNET_assert (NULL != wire_fees); + for (unsigned int i = 0; i<kd->fees_len; i++) + { + const struct TALER_EXCHANGE_WireFeesByMethod *fbw + = &kd->fees[i]; + json_t *wf; + + wf = json_array (); + GNUNET_assert (NULL != wf); + for (struct TALER_EXCHANGE_WireAggregateFees *p = fbw->fees_head; + NULL != p; + p = p->next) + { + GNUNET_assert ( + 0 == + json_array_append_new ( + wf, + GNUNET_JSON_PACK ( + TALER_JSON_pack_amount ("wire_fee", + &p->fees.wire), + TALER_JSON_pack_amount ("closing_fee", + &p->fees.closing), + GNUNET_JSON_pack_timestamp ("start_date", + p->start_date), + GNUNET_JSON_pack_timestamp ("end_date", + p->end_date), + GNUNET_JSON_pack_data_auto ("sig", + &p->master_sig)))); + } + GNUNET_assert (0 == + json_object_set_new (wire_fees, + fbw->method, + wf)); + } + recoup = json_array (); GNUNET_assert (NULL != recoup); for (unsigned int i = 0; i<kd->num_denom_keys; i++) @@ -1953,6 +2218,12 @@ TALER_EXCHANGE_keys_to_json (const struct TALER_EXCHANGE_Keys *kd) global_fees), GNUNET_JSON_pack_array_steal ("signkeys", signkeys), + GNUNET_JSON_pack_object_steal ("wire_fees", + wire_fees), + GNUNET_JSON_pack_array_steal ("accounts", + accounts), + GNUNET_JSON_pack_array_steal ("wads", + json_array ()), GNUNET_JSON_pack_array_steal ("denominations", denominations_by_group), GNUNET_JSON_pack_allow_null ( |