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-move main oauth2.0 logic into kyclogic plugin

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This commit is contained in:
Christian Grothoff 2022-08-05 23:33:48 +02:00
parent 8c5807dc2a
commit 6834b1290f
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GPG Key ID: 939E6BE1E29FC3CC
3 changed files with 747 additions and 27 deletions
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7
src/include/taler_kyclogic_plugin.h
View File

@ -81,7 +81,8 @@ enum TALER_KYCLOGIC_KycStatus
| TALER_KYCLOGIC_STATUS_PENDING,
/**
* The user aborted the check (possibly recoverable).
* The user aborted the check (possibly recoverable)
* or made some other type of (recoverable) mistake.
*/
TALER_KYCLOGIC_STATUS_USER_ABORTED
= TALER_KYCLOGIC_STATUS_USER
@ -123,6 +124,7 @@ struct TALER_KYCLOGIC_WebhookHandle;
* Function called with the result of a KYC initiation
* operation.
*
* @param cls closure
* @param ec #TALER_EC_NONE on success
* @param redirect_url set to where to redirect the user on success, NULL on failure
* @param provider_user_id set to user ID at the provider, or NULL if not supported or unknown
@ -131,6 +133,7 @@ struct TALER_KYCLOGIC_WebhookHandle;
*/
typedef void
(*TALER_KYCLOGIC_InitiateCallback)(
void *cls,
enum TALER_ErrorCode ec,
const char *redirect_url,
const char *provider_user_id,
@ -248,6 +251,7 @@ struct TALER_KYCLOGIC_Plugin
* @param cls the @e cls of this struct with the plugin-specific state
* @param pd provider configuration details
* @param account_id which account to trigger process for
* @param legitimization_uuid unique ID for the legitimization process
* @param cb function to call with the result
* @param cb_cls closure for @a cb
* @return handle to cancel operation early
@ -256,6 +260,7 @@ struct TALER_KYCLOGIC_Plugin
(*initiate)(void *cls,
const struct TALER_KYCLOGIC_ProviderDetails *pd,
const struct TALER_PaytoHashP *account_id,
uint64_t legitimization_uuid,
TALER_KYCLOGIC_InitiateCallback cb,
void *cb_cls);

592
src/kyclogic/plugin_kyclogic_oauth2.c
View File

@ -25,6 +25,37 @@
#include <regex.h>
#include "taler_util.h"
/**
* Saves the state of a plugin.
*/
struct PluginState
{
/**
* Our global configuration.
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Our base URL.
*/
char *exchange_base_url;
/**
* Context for CURL operations (useful to the event loop)
*/
struct GNUNET_CURL_Context *curl_ctx;
/**
* Context for integrating @e curl_ctx with the
* GNUnet event loop.
*/
struct GNUNET_CURL_RescheduleContext *curl_rc;
};
/**
* Keeps the plugin-specific state for
* a given configuration section.
@ -32,6 +63,11 @@
struct TALER_KYCLOGIC_ProviderDetails
{
/**
* Overall plugin state.
*/
struct PluginState *ps;
/**
* URL of the OAuth2.0 endpoint for KYC checks.
* (token/auth)
@ -72,6 +108,38 @@ struct TALER_KYCLOGIC_ProviderDetails
*/
struct TALER_KYCLOGIC_InitiateHandle
{
/**
* Hash of the payto:// URI we are initiating
* the KYC for.
*/
struct TALER_PaytoHashP h_payto;
/**
* UUID being checked.
*/
uint64_t legitimization_uuid;
/**
* Our configuration details.
*/
const struct TALER_KYCLOGIC_ProviderDetails *pd;
/**
* The task for asynchronous response generation.
*/
struct GNUNET_SCHEDULER_Task *task;
/**
* Continuation to call.
*/
TALER_KYCLOGIC_InitiateCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
};
@ -80,6 +148,73 @@ struct TALER_KYCLOGIC_InitiateHandle
*/
struct TALER_KYCLOGIC_ProofHandle
{
/**
* Our configuration details.
*/
const struct TALER_KYCLOGIC_ProviderDetails *pd;
/**
* HTTP connection we are processing.
*/
struct MHD_Connection *connection;
/**
* Hash of the payto URI that this is about.
*/
struct TALER_PaytoHashP h_payto;
/**
* Continuation to call.
*/
TALER_KYCLOGIC_ProofCallback cb;
/**
* Closure for @e cb.
*/
void *cb_cls;
/**
* Curl request we are running to the OAuth 2.0 service.
*/
CURL *eh;
/**
* Body for the @e eh POST request.
*/
char *post_body;
/**
* Response to return.
*/
struct MHD_Response *response;
/**
* The task for asynchronous response generation.
*/
struct GNUNET_SCHEDULER_Task *task;
/**
* Handle for the OAuth 2.0 CURL request.
*/
struct GNUNET_CURL_Job *job;
/**
* Expiration time for a successful KYC process.
*/
struct GNUNET_TIME_Absolute expiration;
/**
* KYC status to return.
*/
enum TALER_KYCLOGIC_KycStatus status;
/**
* HTTP status to return.
*/
unsigned int http_status;
};
@ -87,21 +222,12 @@ struct TALER_KYCLOGIC_ProofHandle
* Handle for an KYC Web hook operation.
*/
struct TALER_KYCLOGIC_WebhookHandle
{
};
/**
* Saves the state of a plugin.
*/
struct PluginState
{
/**
* Our global configuration.
* Overall plugin state.
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
struct PluginState *ps;
};
@ -139,6 +265,7 @@ oauth2_load_configuration (void *cls,
char *s;
pd = GNUNET_new (struct TALER_KYCLOGIC_ProviderDetails);
pd->ps = ps;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (ps->cfg,
provider_section_name,
@ -275,12 +402,64 @@ oauth2_load_configuration (void *cls,
}
/**
* Logic to asynchronously return the response for
* how to begin the OAuth2.0 checking process to
* the client.
*
* @param cls a `struct TALER_KYCLOGIC_InitiateHandle *`
*/
static void
initiate_task (void *cls)
{
struct TALER_KYCLOGIC_InitiateHandle *ih = cls;
const struct TALER_KYCLOGIC_ProviderDetails *pd = ih->pd;
struct PluginState *ps = pd->ps;
char *hps;
char *url;
char *redirect_uri;
char *redirect_uri_encoded;
char legi_s[42];
ih->task = NULL;
GNUNET_snprintf (legi_s,
sizeof (legi_s),
"%llu",
(unsigned long long) ih->legitimization_uuid);
hps = GNUNET_STRINGS_data_to_string_alloc (&ih->h_payto,
sizeof (ih->h_payto));
GNUNET_asprintf (&redirect_uri,
"%s/kyc-proof/%s/oauth2/%s",
ps->exchange_base_url,
hps,
legi_s);
redirect_uri_encoded = TALER_urlencode (redirect_uri);
GNUNET_free (redirect_uri);
GNUNET_asprintf (&url,
"%s?client_id=%s&redirect_uri=%s",
pd->login_url,
pd->client_id,
redirect_uri_encoded);
GNUNET_free (redirect_uri_encoded);
ih->cb (ih->cb_cls,
TALER_EC_NONE,
url,
hps,
legi_s,
NULL);
GNUNET_free (url);
GNUNET_free (hps);
GNUNET_free (ih);
}
/**
* Initiate KYC check.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param pd provider configuration details
* @param account_id which account to trigger process for
* @param legitimization_uuid unique ID for the legitimization process
* @param cb function to call with the result
* @param cb_cls closure for @a cb
* @return handle to cancel operation early
@ -289,10 +468,21 @@ static struct TALER_KYCLOGIC_InitiateHandle *
oauth2_initiate (void *cls,
const struct TALER_KYCLOGIC_ProviderDetails *pd,
const struct TALER_PaytoHashP *account_id,
uint64_t legitimization_uuid,
TALER_KYCLOGIC_InitiateCallback cb,
void *cb_cls)
{
return NULL;
struct TALER_KYCLOGIC_InitiateHandle *ih;
ih = GNUNET_new (struct TALER_KYCLOGIC_InitiateHandle);
ih->legitimization_uuid = legitimization_uuid;
ih->cb = cb;
ih->cb_cls = cb_cls;
ih->h_payto = *account_id;
ih->pd = pd;
ih->task = GNUNET_SCHEDULER_add_now (&initiate_task,
ih);
return ih;
}
@ -304,6 +494,220 @@ oauth2_initiate (void *cls,
static void
oauth2_initiate_cancel (struct TALER_KYCLOGIC_InitiateHandle *ih)
{
GNUNET_SCHEDULER_cancel (ih->task);
GNUNET_free (ih);
}
/**
* Function called to asynchronously return the final
* result to the callback.
*
* @param cls a `struct TALER_KYCLOGIC_ProofHandle`
*/
static void
return_proof_response (void *cls)
{
struct TALER_KYCLOGIC_ProofHandle *ph = cls;
ph->task = NULL;
ph->cb (ph->cb_cls,
ph->status,
ph->expiration,
ph->http_status,
ph->response);
MHD_destroy_response (ph->response);
GNUNET_free (ph);
}
/**
* The request for @a ph failed. We may have gotten a useful error
* message in @a j. Generate a failure response.
*
* @param[in,out] ph request that failed
* @param j reply from the server (or NULL)
*/
static void
handle_proof_error (struct TALER_KYCLOGIC_ProofHandle *ph,
const json_t *j)
{
const char *msg;
const char *desc;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_string ("error",
&msg),
GNUNET_JSON_spec_string ("error_description",
&desc),
GNUNET_JSON_spec_end ()
};
{
enum GNUNET_GenericReturnValue res;
const char *emsg;
unsigned int line;
res = GNUNET_JSON_parse (j,
spec,
&emsg,
&line);
if (GNUNET_OK != res)
{
GNUNET_break_op (0);
ph->status = TALER_KYCLOGIC_STATUS_PROVIDER_FAILED;
ph->response
= TALER_MHD_make_error (
TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_INVALID_RESPONSE,
"Unexpected response from KYC gateway");
ph->http_status
= MHD_HTTP_BAD_GATEWAY;
return;
}
}
/* case TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_AUTHORZATION_FAILED,
we MAY want to in the future look at the requested content type
and possibly respond in JSON if indicated. */
{
char *reply;
GNUNET_asprintf (&reply,
"<html><head><title>%s</title></head><body><h1>%s</h1><p>%s</p></body></html>",
msg,
msg,
desc);
ph->status = TALER_KYCLOGIC_STATUS_USER_ABORTED;
ph->response
= MHD_create_response_from_buffer (strlen (reply),
reply,
MHD_RESPMEM_MUST_COPY);
GNUNET_assert (NULL != ph->response);
GNUNET_free (reply);
}
ph->status = TALER_KYCLOGIC_STATUS_USER_ABORTED;
ph->http_status = MHD_HTTP_FORBIDDEN;
}
/**
* The request for @a ph succeeded (presumably).
* Call continuation with the result.
*
* @param[in,out] ph request that succeeded
* @param j reply from the server
*/
static void
parse_proof_success_reply (struct TALER_KYCLOGIC_ProofHandle *ph,
const json_t *j)
{
const char *state;
json_t *data;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_string ("status",
&state),
GNUNET_JSON_spec_json ("data",
&data),
GNUNET_JSON_spec_end ()
};
enum GNUNET_GenericReturnValue res;
const char *emsg;
unsigned int line;
res = GNUNET_JSON_parse (j,
spec,
&emsg,
&line);
if (GNUNET_OK != res)
{
GNUNET_break_op (0);
ph->status = TALER_KYCLOGIC_STATUS_PROVIDER_FAILED;
ph->response
= TALER_MHD_make_error (
TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_INVALID_RESPONSE,
"Unexpected response from KYC gateway");
ph->http_status
= MHD_HTTP_BAD_GATEWAY;
return;
}
if (0 != strcasecmp (state,
"success"))
{
GNUNET_break_op (0);
handle_proof_error (ph,
j);
return;
}
{
const char *id;
struct GNUNET_JSON_Specification ispec[] = {
GNUNET_JSON_spec_string ("id",
&id),
GNUNET_JSON_spec_end ()
};
res = GNUNET_JSON_parse (data,
ispec,
&emsg,
&line);
if (GNUNET_OK != res)
{
GNUNET_break_op (0);
ph->status = TALER_KYCLOGIC_STATUS_PROVIDER_FAILED;
ph->response
= TALER_MHD_make_error (
TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_INVALID_RESPONSE,
"Unexpected response from KYC gateway");
ph->http_status
= MHD_HTTP_BAD_GATEWAY;
return;
}
ph->status = TALER_KYCLOGIC_STATUS_SUCCESS;
ph->response = MHD_create_response_from_buffer (0,
"",
MHD_RESPMEM_PERSISTENT);
GNUNET_assert (NULL != ph->response);
GNUNET_break (MHD_YES ==
MHD_add_response_header (
ph->response,
MHD_HTTP_HEADER_LOCATION,
ph->pd->post_kyc_redirect_url));
ph->http_status = MHD_HTTP_SEE_OTHER;
// FIXME: return & persist ID somehow!! => API design issue?
// kpc->id = GNUNET_strdup (id);
}
}
/**
* After we are done with the CURL interaction we
* need to update our database state with the information
* retrieved.
*
* @param cls our `struct TALER_KYCLOGIC_ProofHandle`
* @param response_code HTTP response code from server, 0 on hard error
* @param response in JSON, NULL if response was not in JSON format
*/
static void
handle_curl_proof_finished (void *cls,
long response_code,
const void *response)
{
struct TALER_KYCLOGIC_ProofHandle *ph = cls;
const json_t *j = response;
ph->job = NULL;
switch (response_code)
{
case MHD_HTTP_OK:
parse_proof_success_reply (ph,
j);
break;
default:
handle_proof_error (ph,
j);
break;
}
ph->task = GNUNET_SCHEDULER_add_now (&return_proof_response,
ph);
}
@ -332,7 +736,116 @@ oauth2_proof (void *cls,
TALER_KYCLOGIC_ProofCallback cb,
void *cb_cls)
{
return NULL;
struct PluginState *ps = cls;
struct TALER_KYCLOGIC_ProofHandle *ph;
const char *code;
ph = GNUNET_new (struct TALER_KYCLOGIC_ProofHandle);
ph->pd = pd;
ph->connection = connection;
ph->h_payto = *account_id;
ph->cb = cb;
ph->cb_cls = cb_cls;
code = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"code");
if (NULL == code)
{
GNUNET_break_op (0);
ph->status = TALER_KYCLOGIC_STATUS_USER_PENDING;
ph->http_status = MHD_HTTP_BAD_REQUEST;
ph->response = TALER_MHD_make_error (
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"code");
ph->task = GNUNET_SCHEDULER_add_now (&return_proof_response,
ph);
return ph;
}
ph->eh = curl_easy_init ();
if (NULL == ph->eh)
{
GNUNET_break (0);
ph->status = TALER_KYCLOGIC_STATUS_USER_PENDING;
ph->http_status = MHD_HTTP_INTERNAL_SERVER_ERROR;
ph->response = TALER_MHD_make_error (
TALER_EC_GENERIC_ALLOCATION_FAILURE,
"curl_easy_init");
ph->task = GNUNET_SCHEDULER_add_now (&return_proof_response,
ph);
return ph;
}
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (ph->eh,
CURLOPT_URL,
pd->auth_url));
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (ph->eh,
CURLOPT_POST,
1));
{
char *client_id;
char *redirect_uri;
char *client_secret;
char *authorization_code;
client_id = curl_easy_escape (ph->eh,
pd->client_id,
0);
GNUNET_assert (NULL != client_id);
{
char *request_uri;
GNUNET_asprintf (&request_uri,
"%s?client_id=%s",
pd->login_url,
pd->client_id);
redirect_uri = curl_easy_escape (ph->eh,
request_uri,
0);
GNUNET_free (request_uri);
}
GNUNET_assert (NULL != redirect_uri);
client_secret = curl_easy_escape (ph->eh,
pd->client_secret,
0);
GNUNET_assert (NULL != client_secret);
authorization_code = curl_easy_escape (ph->eh,
code,
0);
GNUNET_assert (NULL != authorization_code);
GNUNET_asprintf (&ph->post_body,
"client_id=%s&redirect_uri=%s&client_secret=%s&code=%s&grant_type=authorization_code",
client_id,
redirect_uri,
client_secret,
authorization_code);
curl_free (authorization_code);
curl_free (client_secret);
curl_free (redirect_uri);
curl_free (client_id);
}
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (ph->eh,
CURLOPT_POSTFIELDS,
ph->post_body));
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (ph->eh,
CURLOPT_FOLLOWLOCATION,
1L));
/* limit MAXREDIRS to 5 as a simple security measure against
a potential infinite loop caused by a malicious target */
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (ph->eh,
CURLOPT_MAXREDIRS,
5L));
ph->job = GNUNET_CURL_job_add (ps->curl_ctx,
ph->eh,
&handle_curl_proof_finished,
ph);
return ph;
}
@ -344,6 +857,23 @@ oauth2_proof (void *cls,
static void
oauth2_proof_cancel (struct TALER_KYCLOGIC_ProofHandle *ph)
{
if (NULL != ph->task)
{
GNUNET_SCHEDULER_cancel (ph->task);
ph->task = NULL;
}
if (NULL != ph->job)
{
GNUNET_CURL_job_cancel (ph->job);
ph->job = NULL;
}
if (NULL != ph->response)
{
MHD_destroy_response (ph->response);
ph->response = NULL;
}
GNUNET_free (ph->post_body);
GNUNET_free (ph);
}
@ -376,6 +906,7 @@ oauth2_webhook (void *cls,
TALER_KYCLOGIC_WebhookCallback cb,
void *cb_cls)
{
// FIXME: add logic to asynchronously return an error (404)
GNUNET_break_op (0);
return NULL;
}
@ -407,6 +938,30 @@ libtaler_plugin_kyclogic_oauth2_init (void *cls)
ps = GNUNET_new (struct PluginState);
ps->cfg = cfg;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
"exchange",
"BASE_URL",
&ps->exchange_base_url))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"exchange",
"BASE_URL");
GNUNET_free (ps);
return NULL;
}
ps->curl_ctx
= GNUNET_CURL_init (&GNUNET_CURL_gnunet_scheduler_reschedule,
&ps->curl_rc);
if (NULL == ps->curl_ctx)
{
GNUNET_break (0);
GNUNET_free (ps->exchange_base_url);
GNUNET_free (ps);
return NULL;
}
ps->curl_rc = GNUNET_CURL_gnunet_rc_create (ps->curl_ctx);
plugin = GNUNET_new (struct TALER_KYCLOGIC_Plugin);
plugin->cls = ps;
plugin->load_configuration
@ -441,6 +996,17 @@ libtaler_plugin_kyclogic_oauth2_done (void *cls)
struct TALER_KYCLOGIC_Plugin *plugin = cls;
struct PluginState *ps = plugin->cls;
if (NULL != ps->curl_ctx)
{
GNUNET_CURL_fini (ps->curl_ctx);
ps->curl_ctx = NULL;
}
if (NULL != ps->curl_rc)
{
GNUNET_CURL_gnunet_rc_destroy (ps->curl_rc);
ps->curl_rc = NULL;
}
GNUNET_free (ps->exchange_base_url);
GNUNET_free (ps);
GNUNET_free (plugin);
return NULL;

175
src/kyclogic/plugin_kyclogic_template.c
View File

@ -25,6 +25,37 @@
#include <regex.h>
#include "taler_util.h"
/**
* Saves the state of a plugin.
*/
struct PluginState
{
/**
* Our base URL.
*/
char *exchange_base_url;
/**
* Our global configuration.
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Context for CURL operations (useful to the event loop)
*/
struct GNUNET_CURL_Context *curl_ctx;
/**
* Context for integrating @e curl_ctx with the
* GNUnet event loop.
*/
struct GNUNET_CURL_RescheduleContext *curl_rc;
};
/**
* Keeps the plugin-specific state for
* a given configuration section.
@ -32,6 +63,11 @@
struct TALER_KYCLOGIC_ProviderDetails
{
/**
* Overall plugin state.
*/
struct PluginState *ps;
};
@ -40,6 +76,32 @@ struct TALER_KYCLOGIC_ProviderDetails
*/
struct TALER_KYCLOGIC_InitiateHandle
{
/**
* Hash of the payto:// URI we are initiating
* the KYC for.
*/
struct TALER_PaytoHashP h_payto;
/**
* UUID being checked.
*/
uint64_t legitimization_uuid;
/**
* Our configuration details.
*/
const struct TALER_KYCLOGIC_ProviderDetails *pd;
/**
* Continuation to call.
*/
TALER_KYCLOGIC_InitiateCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
};
@ -48,6 +110,26 @@ struct TALER_KYCLOGIC_InitiateHandle
*/
struct TALER_KYCLOGIC_ProofHandle
{
/**
* Overall plugin state.
*/
struct PluginState *ps;
/**
* Our configuration details.
*/
const struct TALER_KYCLOGIC_ProviderDetails *pd;
/**
* Continuation to call.
*/
TALER_KYCLOGIC_ProofCallback cb;
/**
* Closure for @e cb.
*/
void *cb_cls;
};
@ -55,21 +137,22 @@ struct TALER_KYCLOGIC_ProofHandle
* Handle for an KYC Web hook operation.
*/
struct TALER_KYCLOGIC_WebhookHandle
{
};
/**
* Saves the state of a plugin.
*/
struct PluginState
{
/**
* Our global configuration.
* Overall plugin state.
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
struct PluginState *ps;
/**
* Our configuration details.
*/
const struct TALER_KYCLOGIC_ProviderDetails *pd;
/**
* Overall plugin state.
*/
struct PluginState *ps;
};
@ -84,7 +167,13 @@ static struct TALER_KYCLOGIC_ProviderDetails *
template_load_configuration (void *cls,
const char *provider_section_name)
{
return NULL;
struct PluginState *ps = cls;
struct TALER_KYCLOGIC_ProviderDetails *pd;
pd = GNUNET_new (struct TALER_KYCLOGIC_ProviderDetails);
pd->ps = ps;
GNUNET_break (0); // FIXME: parse config here!
return pd;
}
@ -96,6 +185,7 @@ template_load_configuration (void *cls,
static void
template_unload_configuration (struct TALER_KYCLOGIC_ProviderDetails *pd)
{
GNUNET_free (pd);
}
@ -116,7 +206,16 @@ template_initiate (void *cls,
TALER_KYCLOGIC_InitiateCallback cb,
void *cb_cls)
{
return NULL;
struct TALER_KYCLOGIC_InitiateHandle *ih;
ih = GNUNET_new (struct TALER_KYCLOGIC_InitiateHandle);
ih->legitimization_uuid = legitimization_uuid;
ih->cb = cb;
ih->cb_cls = cb_cls;
ih->h_payto = *account_id;
ih->pd = pd;
GNUNET_break (0); // FIXME: add actual initiation logic!
return res;
}
@ -128,6 +227,8 @@ template_initiate (void *cls,
static void
template_initiate_cancel (struct TALER_KYCLOGIC_InitiateHandle *ih)
{
GNUNET_break (0); // FIXME: add cancel logic here
GNUNET_free (ih);
}
@ -156,7 +257,17 @@ template_proof (void *cls,
TALER_KYCLOGIC_ProofCallback cb,
void *cb_cls)
{
return NULL;
struct PluginState *ps = cls;
struct TALER_KYCLOGIC_ProofHandle *ph;
ph = GNUNET_new (struct TALER_KYCLOGIC_ProofHandle);
ph->ps = ps;
ph->pd = pd;
ph->cb = cb;
ph->cb_cls = cb_cls;
GNUNET_break (0); // FIXME: start check!
return ps;
}
@ -168,6 +279,8 @@ template_proof (void *cls,
static void
template_proof_cancel (struct TALER_KYCLOGIC_ProofHandle *ph)
{
GNUNET_break (0); // FIXME: stop activities...
GNUNET_free (ph);
}
@ -231,6 +344,31 @@ libtaler_plugin_kyclogic_template_init (void *cls)
ps = GNUNET_new (struct PluginState);
ps->cfg = cfg;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (TEH_cfg,
"exchange",
"BASE_URL",
&ps->exchange_base_url))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"exchange",
"BASE_URL");
GNUNET_free (ps);
return NULL;
}
ps->curl_ctx
= GNUNET_CURL_init (&GNUNET_CURL_gnunet_scheduler_reschedule,
&ps->curl_rc);
if (NULL == ps->curl_ctx)
{
GNUNET_break (0);
GNUNET_free (ps->exchange_base_url);
GNUNET_free (ps);
return NULL;
}
ps->curl_rc = GNUNET_CURL_gnunet_rc_create (ps->curl_ctx);
plugin = GNUNET_new (struct TALER_KYCLOGIC_Plugin);
plugin->cls = ps;
plugin->load_configuration
@ -265,6 +403,17 @@ libtaler_plugin_kyclogic_template_done (void *cls)
struct TALER_KYCLOGIC_Plugin *plugin = cls;
struct PluginState *ps = plugin->cls;
if (NULL != ps->curl_ctx)
{
GNUNET_CURL_fini (ps->curl_ctx);
ps->curl_ctx = NULL;
}
if (NULL != ps->curl_rc)
{
GNUNET_CURL_gnunet_rc_destroy (ps->curl_rc);
ps->curl_rc = NULL;
}
GNUNET_free (ps->exchange_base_url);
GNUNET_free (ps);
GNUNET_free (plugin);
return NULL;