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parse the "age_restricted_denoms" in "/keys"

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This commit is contained in:
Özgür Kesim 2022-01-09 15:16:18 +01:00
parent d91750ca0f
commit a6260049a0
Signed by: oec
GPG Key ID: 3D76A56D79EDD9D7
2 changed files with 85 additions and 53 deletions
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5
src/include/taler_exchange_service.h
View File

@ -159,6 +159,11 @@ struct TALER_EXCHANGE_DenomPublicKey
* revoked by the exchange.
*/
bool revoked;
/**
* Is the denomination age-restricted?
*/
bool age_restricted;
};

133
src/lib/exchange_api_handle.c
View File

@ -345,6 +345,7 @@ parse_json_denomkey (struct TALER_EXCHANGE_DenomPublicKey *denom_key,
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (denom_key_obj,
spec,
@ -794,60 +795,86 @@ decode_keys_json (const json_t *resp_obj,
/* parse the denomination keys, merging with the
possibly EXISTING array as required (/keys cherry picking) */
{
json_t *denom_keys_array;
json_t *denom_key_obj;
unsigned int index;
EXITIF (NULL == (denom_keys_array =
json_object_get (resp_obj,
"denoms")));
EXITIF (JSON_ARRAY != json_typeof (denom_keys_array));
json_array_foreach (denom_keys_array, index, denom_key_obj) {
struct TALER_EXCHANGE_DenomPublicKey dk;
bool found = false;
memset (&dk,
0,
sizeof (dk));
EXITIF (GNUNET_SYSERR ==
parse_json_denomkey (&dk,
check_sig,
denom_key_obj,
&key_data->master_pub,
hash_context));
for (unsigned int j = 0;
j<key_data->num_denom_keys;
j++)
{
if (0 == denoms_cmp (&dk,
&key_data->denom_keys[j]))
{
found = true;
break;
}
}
if (found)
{
/* 0:0:0 did not support /keys cherry picking */
TALER_LOG_DEBUG ("Skipping denomination key: already know it\n");
TALER_denom_pub_free (&dk.key);
continue;
}
if (key_data->denom_keys_size == key_data->num_denom_keys)
GNUNET_array_grow (key_data->denom_keys,
key_data->denom_keys_size,
key_data->denom_keys_size * 2 + 2);
key_data->denom_keys[key_data->num_denom_keys++] = dk;
/* Update "last_denom_issue_date" */
TALER_LOG_DEBUG ("Adding denomination key that is valid_until %s\n",
GNUNET_TIME_timestamp2s (dk.valid_from));
key_data->last_denom_issue_date
= GNUNET_TIME_timestamp_max (key_data->last_denom_issue_date,
dk.valid_from);
struct
{
char *name;
bool is_optional_age_restriction;
} section[2] = {
/* The denominations can be in "denoms" or in
* "age_restricted_denoms", the later being optional */
{ "denoms", false },
{ "age_restricted_denoms", true},
};
for (size_t s = 0; s < sizeof(section) / sizeof(section[0]); s++)
{
json_t *denom_keys_array;
json_t *denom_key_obj;
unsigned int index;
denom_keys_array = json_object_get (resp_obj,
section[s].name);
EXITIF (NULL == denom_keys_array &&
! section[s].is_optional_age_restriction);
if (NULL == denom_keys_array &&
section[s].is_optional_age_restriction)
continue;
EXITIF (JSON_ARRAY != json_typeof (denom_keys_array));
json_array_foreach (denom_keys_array, index, denom_key_obj) {
struct TALER_EXCHANGE_DenomPublicKey dk;
bool found = false;
memset (&dk,
0,
sizeof (dk));
EXITIF (GNUNET_SYSERR ==
parse_json_denomkey (&dk,
check_sig,
denom_key_obj,
&key_data->master_pub,
hash_context));
/* Mark age restriction according where we got this denomination from,
* "denoms" or "age_restricted_denoms" */
if (section[s].is_optional_age_restriction)
dk.age_restricted = true;
for (unsigned int j = 0;
j<key_data->num_denom_keys;
j++)
{
if (0 == denoms_cmp (&dk,
&key_data->denom_keys[j]))
{
found = true;
break;
}
}
if (found)
{
/* 0:0:0 did not support /keys cherry picking */
TALER_LOG_DEBUG ("Skipping denomination key: already know it\n");
TALER_denom_pub_free (&dk.key);
continue;
}
if (key_data->denom_keys_size == key_data->num_denom_keys)
GNUNET_array_grow (key_data->denom_keys,
key_data->denom_keys_size,
key_data->denom_keys_size * 2 + 2);
key_data->denom_keys[key_data->num_denom_keys++] = dk;
/* Update "last_denom_issue_date" */
TALER_LOG_DEBUG ("Adding denomination key that is valid_until %s\n",
GNUNET_TIME_timestamp2s (dk.valid_from));
key_data->last_denom_issue_date
= GNUNET_TIME_timestamp_max (key_data->last_denom_issue_date,
dk.valid_from);
};
}
}
/* parse the auditor information */