From 6834b1290fa4bd9d6331329282f72f1f67b4d1bf Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Fri, 5 Aug 2022 23:33:48 +0200 Subject: -move main oauth2.0 logic into kyclogic plugin --- src/include/taler_kyclogic_plugin.h | 7 +- src/kyclogic/plugin_kyclogic_oauth2.c | 592 +++++++++++++++++++++++++++++++- src/kyclogic/plugin_kyclogic_template.c | 173 +++++++++- 3 files changed, 746 insertions(+), 26 deletions(-) diff --git a/src/include/taler_kyclogic_plugin.h b/src/include/taler_kyclogic_plugin.h index b5f8b83ca..0cfade33b 100644 --- a/src/include/taler_kyclogic_plugin.h +++ b/src/include/taler_kyclogic_plugin.h @@ -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); diff --git a/src/kyclogic/plugin_kyclogic_oauth2.c b/src/kyclogic/plugin_kyclogic_oauth2.c index 2dc0b1896..6c56a1fe5 100644 --- a/src/kyclogic/plugin_kyclogic_oauth2.c +++ b/src/kyclogic/plugin_kyclogic_oauth2.c @@ -25,6 +25,37 @@ #include #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; + }; @@ -80,28 +148,86 @@ 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; -/** - * Handle for an KYC Web hook operation. - */ -struct TALER_KYCLOGIC_WebhookHandle -{ }; /** - * Saves the state of a plugin. + * Handle for an KYC Web hook operation. */ -struct PluginState +struct TALER_KYCLOGIC_WebhookHandle { /** - * 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, + "%s

%s

%s

", + 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; diff --git a/src/kyclogic/plugin_kyclogic_template.c b/src/kyclogic/plugin_kyclogic_template.c index 8eb506b67..a40aad4ea 100644 --- a/src/kyclogic/plugin_kyclogic_template.c +++ b/src/kyclogic/plugin_kyclogic_template.c @@ -25,6 +25,37 @@ #include #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; }; @@ -56,20 +138,21 @@ struct TALER_KYCLOGIC_ProofHandle */ struct TALER_KYCLOGIC_WebhookHandle { -}; - -/** - * Saves the state of a plugin. - */ -struct PluginState -{ + /** + * Overall plugin state. + */ + struct PluginState *ps; /** - * Our global configuration. + * Our configuration details. */ - const struct GNUNET_CONFIGURATION_Handle *cfg; + 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; -- cgit v1.2.3