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authorChristian Grothoff <christian@grothoff.org>2022-08-17 21:35:30 +0200
committerChristian Grothoff <christian@grothoff.org>2022-08-17 21:35:30 +0200
commit14a240f7cc7213959ae11a020b37a6c10837bc4a (patch)
tree6047a3eeeffbfd415a56084b7ae0ab298a8184ba
parent9deca4a0c0c13237a34c91517e506d69161becf5 (diff)
downloadexchange-14a240f7cc7213959ae11a020b37a6c10837bc4a.tar.gz
exchange-14a240f7cc7213959ae11a020b37a6c10837bc4a.tar.bz2
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-first sketch of persona kyclogic
-rw-r--r--src/kyclogic/Makefile.am15
-rw-r--r--src/kyclogic/plugin_kyclogic_kycaid.c24
-rw-r--r--src/kyclogic/plugin_kyclogic_persona.c1480
3 files changed, 1496 insertions, 23 deletions
diff --git a/src/kyclogic/Makefile.am b/src/kyclogic/Makefile.am
index c77abd87..7b442bcf 100644
--- a/src/kyclogic/Makefile.am
+++ b/src/kyclogic/Makefile.am
@@ -57,6 +57,7 @@ plugindir = $(libdir)/taler
plugin_LTLIBRARIES = \
libtaler_plugin_kyclogic_kycaid.la \
libtaler_plugin_kyclogic_oauth2.la \
+ libtaler_plugin_kyclogic_persona.la \
libtaler_plugin_kyclogic_template.la
libtaler_plugin_kyclogic_template_la_SOURCES = \
@@ -90,4 +91,18 @@ libtaler_plugin_kyclogic_kycaid_la_LDFLAGS = \
-lcurl \
$(XLIB)
+libtaler_plugin_kyclogic_persona_la_SOURCES = \
+ plugin_kyclogic_persona.c
+libtaler_plugin_kyclogic_persona_la_LIBADD = \
+ $(LTLIBINTL)
+libtaler_plugin_kyclogic_persona_la_LDFLAGS = \
+ $(TALER_PLUGIN_LDFLAGS) \
+ $(top_builddir)/src/json/libtalerjson.la \
+ $(top_builddir)/src/curl/libtalercurl.la \
+ $(top_builddir)/src/util/libtalerutil.la \
+ -lgnunetutil \
+ -ljansson \
+ -lcurl \
+ $(XLIB)
+
AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH;
diff --git a/src/kyclogic/plugin_kyclogic_kycaid.c b/src/kyclogic/plugin_kyclogic_kycaid.c
index 449dac51..8a5714e7 100644
--- a/src/kyclogic/plugin_kyclogic_kycaid.c
+++ b/src/kyclogic/plugin_kyclogic_kycaid.c
@@ -86,11 +86,6 @@ struct TALER_KYCLOGIC_ProviderDetails
char *form_id;
/**
- * Where to redirect the client upon completion.
- */
- char *post_kyc_redirect_url;
-
- /**
* Validity time for a successful KYC process.
*/
struct GNUNET_TIME_Relative validity;
@@ -283,7 +278,6 @@ kycaid_unload_configuration (struct TALER_KYCLOGIC_ProviderDetails *pd)
GNUNET_free (pd->auth_token);
GNUNET_free (pd->form_id);
GNUNET_free (pd->section);
- GNUNET_free (pd->post_kyc_redirect_url);
GNUNET_free (pd);
}
@@ -332,18 +326,6 @@ kycaid_load_configuration (void *cls,
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (ps->cfg,
provider_section_name,
- "KYC_KYCAID_POST_URL",
- &pd->post_kyc_redirect_url))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- provider_section_name,
- "KYC_KYCAID_POST_URL");
- kycaid_unload_configuration (pd);
- return NULL;
- }
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_string (ps->cfg,
- provider_section_name,
"KYC_KYCAID_FORM_ID",
&pd->form_id))
{
@@ -577,8 +559,6 @@ kycaid_initiate (void *cls,
"https://api.kycaid.com/forms/%s/urls",
pd->form_id);
body = GNUNET_JSON_PACK (
- GNUNET_JSON_pack_string ("redirect_url",
- pd->post_kyc_redirect_url),
GNUNET_JSON_pack_data64_auto ("external_applicant_id",
account_id)
);
@@ -1019,8 +999,6 @@ async_webhook_reply (void *cls)
{
struct TALER_KYCLOGIC_WebhookHandle *wh = cls;
- fprintf (stderr,
- "async reply\n");
wh->cb (wh->cb_cls,
wh->legi_row,
(0 == wh->legi_row)
@@ -1172,7 +1150,7 @@ kycaid_webhook (void *cls,
GNUNET_break (0);
wh->resp = TALER_MHD_make_error (
TALER_EC_GENERIC_ALLOCATION_FAILURE,
- verification_id);
+ NULL);
wh->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
wh);
diff --git a/src/kyclogic/plugin_kyclogic_persona.c b/src/kyclogic/plugin_kyclogic_persona.c
new file mode 100644
index 00000000..220aaeb1
--- /dev/null
+++ b/src/kyclogic/plugin_kyclogic_persona.c
@@ -0,0 +1,1480 @@
+/*
+ This file is part of GNU Taler
+ Copyright (C) 2022 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.GPL. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file plugin_kyclogic_persona.c
+ * @brief persona for an authentication flow logic
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_kyclogic_plugin.h"
+#include "taler_mhd_lib.h"
+#include "taler_curl_lib.h"
+#include "taler_json_lib.h"
+#include <regex.h>
+#include "taler_util.h"
+
+/**
+ * Which version of the persona API are we implementing?
+ */
+#define PERSONA_VERSION "2021-07-05"
+
+/**
+ * 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.
+ */
+struct TALER_KYCLOGIC_ProviderDetails
+{
+
+ /**
+ * Overall plugin state.
+ */
+ struct PluginState *ps;
+
+ /**
+ * Configuration section that configured us.
+ */
+ char *section;
+
+ /**
+ * Authorization token to use when talking
+ * to the service.
+ */
+ char *auth_token;
+
+ /**
+ * Template ID for the KYC check to perform.
+ */
+ char *template_id;
+
+ /**
+ * Subdomain to use.
+ */
+ char *subdomain;
+
+ /**
+ * Where to redirect the client upon completion.
+ */
+ char *post_kyc_redirect_url;
+
+ /**
+ * Validity time for a successful KYC process.
+ */
+ struct GNUNET_TIME_Relative validity;
+
+ /**
+ * Curl-ready authentication header to use.
+ */
+ struct curl_slist *slist;
+
+};
+
+
+/**
+ * Handle for an initiation operation.
+ */
+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;
+
+ /**
+ * Context for #TEH_curl_easy_post(). Keeps the data that must
+ * persist for Curl to make the upload.
+ */
+ struct TALER_CURL_PostContext ctx;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * URL of the cURL request.
+ */
+ char *url;
+
+};
+
+
+/**
+ * Handle for an KYC proof operation.
+ */
+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;
+
+ /**
+ * Connection we are handling.
+ */
+ struct MHD_Connection *connection;
+
+ /**
+ * Task for asynchronous execution.
+ */
+ struct GNUNET_SCHEDULER_Task *task;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * URL of the cURL request.
+ */
+ char *url;
+
+ /**
+ * Hash of the payto:// URI we are checking the KYC for.
+ */
+ struct TALER_PaytoHashP h_payto;
+
+ /**
+ * UUID being checked.
+ */
+ uint64_t legitimization_uuid;
+
+ /**
+ * Account ID at the provider.
+ */
+ char *provider_user_id;
+
+ /**
+ * Inquiry ID at the provider.
+ */
+ char *provider_legitimization_id;
+};
+
+
+/**
+ * Handle for an KYC Web hook operation.
+ */
+struct TALER_KYCLOGIC_WebhookHandle
+{
+
+ /**
+ * Continuation to call when done.
+ */
+ TALER_KYCLOGIC_WebhookCallback cb;
+
+ /**
+ * Closure for @a cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Task for asynchronous execution.
+ */
+ struct GNUNET_SCHEDULER_Task *task;
+
+ /**
+ * Overall plugin state.
+ */
+ struct PluginState *ps;
+
+ /**
+ * Our configuration details.
+ */
+ const struct TALER_KYCLOGIC_ProviderDetails *pd;
+
+ /**
+ * Connection we are handling.
+ */
+ struct MHD_Connection *connection;
+
+ /**
+ * Verification ID from the service.
+ */
+ char *inquiry_id;
+
+ /**
+ * URL of the cURL request.
+ */
+ char *url;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * Response to return asynchronously.
+ */
+ struct MHD_Response *resp;
+
+ /**
+ * Our account ID.
+ */
+ struct TALER_PaytoHashP h_payto;
+
+ /**
+ * Row in legitimizations for the given
+ * @e verification_id.
+ */
+ uint64_t legi_row;
+
+ /**
+ * HTTP response code to return asynchronously.
+ */
+ unsigned int response_code;
+};
+
+
+/**
+ * Release configuration resources previously loaded
+ *
+ * @param[in] pd configuration to release
+ */
+static void
+persona_unload_configuration (struct TALER_KYCLOGIC_ProviderDetails *pd)
+{
+ curl_slist_free_all (pd->slist);
+ GNUNET_free (pd->auth_token);
+ GNUNET_free (pd->template_id);
+ GNUNET_free (pd->section);
+ GNUNET_free (pd->post_kyc_redirect_url);
+ GNUNET_free (pd);
+}
+
+
+/**
+ * Load the configuration of the KYC provider.
+ *
+ * @param cls closure
+ * @param provider_section_name configuration section to parse
+ * @return NULL if configuration is invalid
+ */
+static struct TALER_KYCLOGIC_ProviderDetails *
+persona_load_configuration (void *cls,
+ const char *provider_section_name)
+{
+ struct PluginState *ps = cls;
+ struct TALER_KYCLOGIC_ProviderDetails *pd;
+
+ pd = GNUNET_new (struct TALER_KYCLOGIC_ProviderDetails);
+ pd->ps = ps;
+ pd->section = GNUNET_strdup (provider_section_name);
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (ps->cfg,
+ provider_section_name,
+ "PERSONA_VALIDITY",
+ &pd->validity))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ provider_section_name,
+ "PERSONA_VALIDITY");
+ persona_unload_configuration (pd);
+ return NULL;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (ps->cfg,
+ provider_section_name,
+ "PERSONA_AUTH_TOKEN",
+ &pd->auth_token))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ provider_section_name,
+ "PERSONA_AUTH_TOKEN");
+ persona_unload_configuration (pd);
+ return NULL;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (ps->cfg,
+ provider_section_name,
+ "PERSONA_SUBDOMAIN",
+ &pd->subdomain))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ provider_section_name,
+ "PERSONA_SUBDOMAIN");
+ persona_unload_configuration (pd);
+ return NULL;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (ps->cfg,
+ provider_section_name,
+ "KYC_POST_URL",
+ &pd->post_kyc_redirect_url))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ provider_section_name,
+ "KYC_POST_URL");
+ persona_unload_configuration (pd);
+ return NULL;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (ps->cfg,
+ provider_section_name,
+ "PERSONA_TEMPLATE_ID",
+ &pd->template_id))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ provider_section_name,
+ "PERSONA_TEMPLATE_ID");
+ persona_unload_configuration (pd);
+ return NULL;
+ }
+ {
+ char *auth;
+
+ GNUNET_asprintf (&auth,
+ "%s: Bearer %s",
+ MHD_HTTP_HEADER_AUTHORIZATION,
+ pd->auth_token);
+ pd->slist = curl_slist_append (NULL,
+ auth);
+ GNUNET_free (auth);
+ GNUNET_asprintf (&auth,
+ "%s: %s",
+ MHD_HTTP_HEADER_ACCEPT,
+ "application/json");
+ pd->slist = curl_slist_append (pd->slist,
+ "Persona-Version: "
+ PERSONA_VERSION);
+ GNUNET_free (auth);
+ }
+ return pd;
+}
+
+
+/**
+ * Cancel KYC check initiation.
+ *
+ * @param[in] ih handle of operation to cancel
+ */
+static void
+persona_initiate_cancel (struct TALER_KYCLOGIC_InitiateHandle *ih)
+{
+ if (NULL != ih->job)
+ {
+ GNUNET_CURL_job_cancel (ih->job);
+ ih->job = NULL;
+ }
+ GNUNET_free (ih->url);
+ GNUNET_free (ih);
+}
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP POST "/api/v1/inquiries" request.
+ *
+ * @param cls the `struct TALER_KYCLOGIC_InitiateHandle`
+ * @param response_code HTTP response code, 0 on error
+ * @param response parsed JSON result, NULL on error
+ */
+static void
+handle_initiate_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_KYCLOGIC_InitiateHandle *ih = cls;
+ const struct TALER_KYCLOGIC_ProviderDetails *pd = ih->pd;
+ const json_t *j = response;
+ char *url;
+ json_t *data;
+ const char *type;
+ const char *inquiry_id;
+ const char *persona_account_id;
+ const char *ename;
+ unsigned int eline;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_string ("type",
+ &type),
+ GNUNET_JSON_spec_string ("id",
+ &inquiry_id),
+ GNUNET_JSON_spec_end ()
+ };
+
+ ih->job = NULL;
+ switch (response_code)
+ {
+ case MHD_HTTP_CREATED:
+ /* handled below */
+ break;
+ case MHD_HTTP_UNAUTHORIZED:
+ case MHD_HTTP_FORBIDDEN:
+ {
+ const char *msg;
+
+ msg = json_string_value (
+ json_object_get (
+ json_array_get (
+ json_object_get (j,
+ "errors"),
+ 0),
+ "title"));
+
+ ih->cb (ih->cb_cls,
+ TALER_EC_EXCHANGE_KYC_CHECK_AUTHORIZATION_FAILED,
+ NULL,
+ NULL,
+ NULL,
+ msg);
+ persona_initiate_cancel (ih);
+ return;
+ }
+ case MHD_HTTP_NOT_FOUND:
+ case MHD_HTTP_CONFLICT:
+ {
+ const char *msg;
+
+ msg = json_string_value (
+ json_object_get (
+ json_array_get (
+ json_object_get (j,
+ "errors"),
+ 0),
+ "title"));
+
+ ih->cb (ih->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
+ NULL,
+ NULL,
+ NULL,
+ msg);
+ persona_initiate_cancel (ih);
+ return;
+ }
+ default:
+ {
+ char *err;
+
+ GNUNET_break_op (0);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ GNUNET_asprintf (&err,
+ "Unexpected HTTP status %u from Persona\n",
+ (unsigned int) response_code);
+ ih->cb (ih->cb_cls,
+ TALER_EC_NONE,
+ NULL,
+ NULL,
+ NULL,
+ err);
+ GNUNET_free (err);
+ persona_initiate_cancel (ih);
+ return;
+ }
+ }
+ data = json_object_get (j,
+ "data");
+ if (NULL == data)
+ {
+ GNUNET_break_op (0);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ persona_initiate_cancel (ih);
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_JSON_parse (data,
+ spec,
+ &ename,
+ &eline))
+ {
+ GNUNET_break_op (0);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ ih->cb (ih->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
+ NULL,
+ NULL,
+ NULL,
+ ename);
+ persona_initiate_cancel (ih);
+ return;
+ }
+ persona_account_id
+ = json_string_value (
+ json_object_get (
+ json_object_get (
+ json_object_get (
+ json_object_get (data,
+ "relationships"),
+ "account"),
+ "data"),
+ "id"));
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Starting inquiry %s for Persona account %s\n",
+ inquiry_id,
+ persona_account_id);
+ GNUNET_asprintf (&url,
+ "https://%s.withpersona.com/verify"
+ "?inquiry-id=%s",
+ pd->subdomain,
+ inquiry_id);
+ ih->cb (ih->cb_cls,
+ TALER_EC_NONE,
+ url,
+ persona_account_id,
+ inquiry_id,
+ NULL);
+ GNUNET_free (url);
+ persona_initiate_cancel (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
+ */
+static struct TALER_KYCLOGIC_InitiateHandle *
+persona_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)
+{
+ struct PluginState *ps = cls;
+ struct TALER_KYCLOGIC_InitiateHandle *ih;
+ json_t *body;
+ CURL *eh;
+
+ eh = curl_easy_init ();
+ if (NULL == eh)
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
+ 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_asprintf (&ih->url,
+ "https://withpersona.com/api/v1/inquiries");
+ {
+ char *payto_s;
+ char *proof_url;
+ char ref_s[24];
+
+ GNUNET_snprintf (ref_s,
+ sizeof (ref_s),
+ "%llu",
+ (unsigned long long) ih->legitimization_uuid);
+ payto_s = GNUNET_STRINGS_data_to_string_alloc (&ih->h_payto,
+ sizeof (ih->h_payto));
+ GNUNET_asprintf (&proof_url,
+ "%s/kyc-proof/%s/%s",
+ pd->ps->exchange_base_url,
+ payto_s,
+ pd->section);
+ body = GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_string ("inquiry_template_id",
+ pd->template_id),
+ GNUNET_JSON_pack_string ("account_id",
+ payto_s),
+ GNUNET_JSON_pack_string ("reference_id",
+ ref_s),
+ GNUNET_JSON_pack_string ("redirect_uri",
+ proof_url)
+ );
+ GNUNET_free (payto_s);
+ GNUNET_free (proof_url);
+ }
+ GNUNET_break (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_VERBOSE,
+ 1));
+ GNUNET_assert (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_MAXREDIRS,
+ 1L));
+ GNUNET_break (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_URL,
+ ih->url));
+ if (GNUNET_OK !=
+ TALER_curl_easy_post (&ih->ctx,
+ eh,
+ body))
+ {
+ GNUNET_break (0);
+ GNUNET_free (ih->url);
+ GNUNET_free (ih);
+ curl_easy_cleanup (eh);
+ json_decref (body);
+ return NULL;
+ }
+ ih->job = GNUNET_CURL_job_add2 (ps->curl_ctx,
+ eh,
+ ih->ctx.headers,
+ &handle_initiate_finished,
+ ih);
+ GNUNET_CURL_extend_headers (ih->job,
+ pd->slist);
+ return ih;
+}
+
+
+/**
+ * Cancel KYC proof.
+ *
+ * @param[in] ph handle of operation to cancel
+ */
+static void
+persona_proof_cancel (struct TALER_KYCLOGIC_ProofHandle *ph)
+{
+ if (NULL != ph->job)
+ {
+ GNUNET_CURL_job_cancel (ph->job);
+ ph->job = NULL;
+ }
+ GNUNET_free (ph->url);
+ GNUNET_free (ph->provider_user_id);
+ GNUNET_free (ph->provider_legitimization_id);
+ GNUNET_free (ph);
+}
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP "/api/v1/verifications/{verification-id}" request.
+ *
+ * @param cls the `struct TALER_KYCLOGIC_InitiateHandle`
+ * @param response_code HTTP response code, 0 on error
+ * @param response parsed JSON result, NULL on error
+ */
+static void
+handle_proof_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_KYCLOGIC_ProofHandle *ph = cls;
+ const json_t *j = response;
+
+ ph->job = NULL;
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+#if 0
+ switch (response_code)
+ {
+ case MHD_HTTP_OK:
+ {
+ const char *verification_id;
+ const char *form_url;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_string ("verification_id",
+ &verification_id),
+ GNUNET_JSON_spec_string ("form_url",
+ &form_url),
+ GNUNET_JSON_spec_end ()
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_JSON_parse (j,
+ spec,
+ NULL, NULL))
+ {
+ GNUNET_break_op (0);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ }
+ ph->cb (ph->cb_cls,
+ TALER_EC_NONE,
+ form_url,
+ NULL, /* no provider_user_id */
+ verification_id,
+ NULL /* no error */);
+ GNUNET_JSON_parse_free (spec);
+ }
+ break;
+ case MHD_HTTP_BAD_REQUEST:
+ case MHD_HTTP_NOT_FOUND:
+ case MHD_HTTP_CONFLICT:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "PERSONA failed with response %u:\n",
+ (unsigned int) response_code);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_LOGIC_BUG,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ case MHD_HTTP_UNAUTHORIZED:
+ case MHD_HTTP_PAYMENT_REQUIRED:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Refused access with HTTP status code %u\n",
+ (unsigned int) response_code);
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_ACCESS_REFUSED,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ case MHD_HTTP_REQUEST_TIMEOUT:
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_TIMEOUT,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ case MHD_HTTP_UNPROCESSABLE_ENTITY: /* validation */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "PERSONA failed with response %u:\n",
+ (unsigned int) response_code);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ case MHD_HTTP_TOO_MANY_REQUESTS:
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_RATE_LIMIT_EXCEEDED,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ case MHD_HTTP_INTERNAL_SERVER_ERROR:
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected PERSONA response %u:\n",
+ (unsigned int) response_code);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ ph->cb (ph->cb_cls,
+ TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
+ NULL,
+ NULL,
+ NULL,
+ json_string_value (json_object_get (j,
+ "type")));
+ break;
+ }
+#endif
+ persona_proof_cancel (ph);
+}
+
+
+/**
+ * Check KYC status and return final result to human.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param pd provider configuration details
+ * @param url_path rest of the URL after `/kyc-webhook/`
+ * @param connection MHD connection object (for HTTP headers)
+ * @param account_id which account to trigger process for
+ * @param legi_row row in the table the legitimization is for
+ * @param provider_user_id user ID (or NULL) the proof is for
+ * @param provider_legitimization_id legitimization ID the proof is for
+ * @param cb function to call with the result
+ * @param cb_cls closure for @a cb
+ * @return handle to cancel operation early
+ */
+static struct TALER_KYCLOGIC_ProofHandle *
+persona_proof (void *cls,
+ const struct TALER_KYCLOGIC_ProviderDetails *pd,
+ const char *const url_path[],
+ struct MHD_Connection *connection,
+ const struct TALER_PaytoHashP *account_id,
+ uint64_t legi_row,
+ const char *provider_user_id,
+ const char *provider_legitimization_id,
+ TALER_KYCLOGIC_ProofCallback cb,
+ void *cb_cls)
+{
+ struct PluginState *ps = cls;
+ struct TALER_KYCLOGIC_ProofHandle *ph;
+ CURL *eh;
+
+ eh = curl_easy_init ();
+ if (NULL == eh)
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
+ ph = GNUNET_new (struct TALER_KYCLOGIC_ProofHandle);
+ ph->ps = ps;
+ ph->pd = pd;
+ ph->cb = cb;
+ ph->cb_cls = cb_cls;
+ ph->connection = connection;
+ ph->legitimization_uuid = legi_row;
+ ph->h_payto = *account_id;
+ if (NULL != provider_user_id)
+ ph->provider_user_id = GNUNET_strdup (provider_user_id);
+ if (NULL != provider_legitimization_id)
+ ph->provider_legitimization_id = GNUNET_strdup (provider_legitimization_id);
+ GNUNET_asprintf (&ph->url,
+ "https://withpersona.com/api/v1/inquiries/%s",
+ provider_legitimization_id);
+ GNUNET_break (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_VERBOSE,
+ 1));
+ GNUNET_assert (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_MAXREDIRS,
+ 1L));
+ GNUNET_break (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_URL,
+ ph->url));
+ ph->job = GNUNET_CURL_job_add2 (ps->curl_ctx,
+ eh,
+ pd->slist,
+ &handle_proof_finished,
+ ph);
+ return ph;
+}
+
+
+/**
+ * Cancel KYC webhook execution.
+ *
+ * @param[in] wh handle of operation to cancel
+ */
+static void
+persona_webhook_cancel (struct TALER_KYCLOGIC_WebhookHandle *wh)
+{
+ if (NULL != wh->task)
+ {
+ GNUNET_SCHEDULER_cancel (wh->task);
+ wh->task = NULL;
+ }
+ if (NULL != wh->job)
+ {
+ GNUNET_CURL_job_cancel (wh->job);
+ wh->job = NULL;
+ }
+ GNUNET_free (wh->inquiry_id);
+ GNUNET_free (wh->url);
+ GNUNET_free (wh);
+}
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP "/verifications/{verification_id}" request.
+ *
+ * @param cls the `struct TALER_KYCLOGIC_WebhookHandle`
+ * @param response_code HTTP response code, 0 on error
+ * @param response parsed JSON result, NULL on error
+ */
+static void
+handle_webhook_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_KYCLOGIC_WebhookHandle *wh = cls;
+ const json_t *j = response;
+
+ wh->job = NULL;
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+#if 0
+ struct MHD_Response *resp;
+
+ switch (response_code)
+ {
+ case MHD_HTTP_OK:
+ {
+ const char *applicant_id;
+ const char *verification_id;
+ const char *status;
+ bool verified;
+ json_t *verifications;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_string ("applicant_id",
+ &applicant_id),
+ GNUNET_JSON_spec_string ("verification_id",
+ &verification_id),
+ GNUNET_JSON_spec_string ("status",
+ &status), /* completed, pending, ... */
+ GNUNET_JSON_spec_bool ("verified",
+ &verified),
+ GNUNET_JSON_spec_json ("verifications",
+ &verifications),
+ GNUNET_JSON_spec_end ()
+ };
+ struct GNUNET_TIME_Absolute expiration;
+
+ if (GNUNET_OK !=
+ GNUNET_JSON_parse (j,
+ spec,
+ NULL, NULL))
+ {
+ GNUNET_break_op (0);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_BAD_GATEWAY,
+ resp);
+ break;
+ }
+ if (! verified)
+ {
+ log_failure (verifications);
+ }
+ resp = MHD_create_response_from_buffer (0,
+ "",
+ MHD_RESPMEM_PERSISTENT);
+ if (verified)
+ {
+ expiration = GNUNET_TIME_relative_to_absolute (wh->pd->validity);
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_SUCCESS,
+ expiration,
+ MHD_HTTP_NO_CONTENT,
+ resp);
+ }
+ else
+ {
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_USER_ABORTED,
+ GNUNET_TIME_UNIT_ZERO_ABS,
+ MHD_HTTP_NO_CONTENT,
+ resp);
+ }
+ GNUNET_JSON_parse_free (spec);
+ }
+ break;
+ case MHD_HTTP_BAD_REQUEST:
+ case MHD_HTTP_NOT_FOUND:
+ case MHD_HTTP_CONFLICT:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "PERSONA failed with response %u:\n",
+ (unsigned int) response_code);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ resp);
+ break;
+ case MHD_HTTP_UNAUTHORIZED:
+ case MHD_HTTP_PAYMENT_REQUIRED:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Refused access with HTTP status code %u\n",
+ (unsigned int) response_code);
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_NETWORK_AUTHENTICATION_REQUIRED,
+ resp);
+ break;
+ case MHD_HTTP_REQUEST_TIMEOUT:
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_GATEWAY_TIMEOUT,
+ resp);
+ break;
+ case MHD_HTTP_UNPROCESSABLE_ENTITY: /* validation */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "PERSONA failed with response %u:\n",
+ (unsigned int) response_code);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_BAD_GATEWAY,
+ resp);
+ break;
+ case MHD_HTTP_TOO_MANY_REQUESTS:
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_SERVICE_UNAVAILABLE,
+ resp);
+ break;
+ case MHD_HTTP_INTERNAL_SERVER_ERROR:
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_BAD_GATEWAY,
+ resp);
+ break;
+ default:
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_uint64 ("persona_http_status",
+ response_code),
+ GNUNET_JSON_pack_object_incref ("persona_body",
+ (json_t *) j));
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected PERSONA response %u:\n",
+ (unsigned int) response_code);
+ json_dumpf (j,
+ stderr,
+ JSON_INDENT (2));
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ &wh->h_payto,
+ wh->applicant_id,
+ wh->verification_id,
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ MHD_HTTP_BAD_GATEWAY,
+ resp);
+ break;
+ }
+#endif
+ persona_webhook_cancel (wh);
+}
+
+
+/**
+ * Asynchronously return a reply for the webhook.
+ *
+ * @param cls a `struct TALER_KYCLOGIC_WebhookHandle *`
+ */
+static void
+async_webhook_reply (void *cls)
+{
+ struct TALER_KYCLOGIC_WebhookHandle *wh = cls;
+
+ wh->cb (wh->cb_cls,
+ wh->legi_row,
+ (0 == wh->legi_row)
+ ? NULL
+ : &wh->h_payto,
+ NULL, /* FIXME: never known here, but maybe prevent clearing it in the DB as it should already be there? */
+ wh->inquiry_id, /* provider legi ID */
+ TALER_KYCLOGIC_STATUS_PROVIDER_FAILED,
+ GNUNET_TIME_UNIT_ZERO_ABS, /* expiration */
+ wh->response_code,
+ wh->resp);
+ persona_webhook_cancel (wh);
+}
+
+
+/**
+ * Check KYC status and return result for Webhook. We do NOT implement the
+ * authentication check proposed by the PERSONA documentation, as it would
+ * allow an attacker who learns the access token to easily bypass the KYC
+ * checks. Instead, we insist on explicitly requesting the KYC status from the
+ * provider (at least on success).
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param pd provider configuration details
+ * @param plc callback to lookup accounts with
+ * @param plc_cls closure for @a plc
+ * @param http_method HTTP method used for the webhook
+ * @param url_path rest of the URL after `/kyc-webhook/`
+ * @param connection MHD connection object (for HTTP headers)
+ * @param body HTTP request body
+ * @param cb function to call with the result
+ * @param cb_cls closure for @a cb
+ * @return handle to cancel operation early
+ */
+static struct TALER_KYCLOGIC_WebhookHandle *
+persona_webhook (void *cls,
+ const struct TALER_KYCLOGIC_ProviderDetails *pd,
+ TALER_KYCLOGIC_ProviderLookupCallback plc,
+ void *plc_cls,
+ const char *http_method,
+ const char *const url_path[],
+ struct MHD_Connection *connection,
+ const json_t *body,
+ TALER_KYCLOGIC_WebhookCallback cb,
+ void *cb_cls)
+{
+ struct PluginState *ps = cls;
+ struct TALER_KYCLOGIC_WebhookHandle *wh;
+ CURL *eh;
+ enum GNUNET_DB_QueryStatus qs;
+ const char *persona_inquiry_id;
+
+ wh = GNUNET_new (struct TALER_KYCLOGIC_WebhookHandle);
+ wh->cb = cb;
+ wh->cb_cls = cb_cls;
+ wh->ps = ps;
+ wh->pd = pd;
+ wh->connection = connection;
+
+ persona_inquiry_id
+ = json_string_value (
+ json_object_get (
+ json_object_get (
+ json_object_get (
+ json_object_get (
+ json_object_get (
+ body,
+ "data"),
+ "attributes"),
+ "payload"),
+ "data"),
+ "id"));
+ if (NULL == persona_inquiry_id)
+ {
+ GNUNET_break_op (0);
+ json_dumpf (body,
+ stderr,
+ JSON_INDENT (2));
+ wh->resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_object_incref ("webhook_body",
+ (json_t *) body));
+ wh->response_code = MHD_HTTP_BAD_REQUEST;
+ wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
+ wh);
+ return wh;
+ }
+ qs = plc (plc_cls,
+ pd->section,
+ persona_inquiry_id,
+ &wh->h_payto,
+ &wh->legi_row);
+ if (qs < 0)
+ {
+ wh->resp = TALER_MHD_make_error (TALER_EC_GENERIC_DB_FETCH_FAILED,
+ "provider-legitimization-lookup");
+ wh->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
+ wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
+ wh);
+ return wh;
+ }
+ if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Received webhook for unknown verification ID `%s'\n",
+ persona_inquiry_id);
+ wh->resp = TALER_MHD_make_error (
+ TALER_EC_EXCHANGE_KYC_PROOF_REQUEST_UNKNOWN,
+ persona_inquiry_id);
+ wh->response_code = MHD_HTTP_NOT_FOUND;
+ wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
+ wh);
+ return wh;
+ }
+ wh->inquiry_id = GNUNET_strdup (persona_inquiry_id);
+
+ eh = curl_easy_init ();
+ if (NULL == eh)
+ {
+ GNUNET_break (0);
+ wh->resp = TALER_MHD_make_error (
+ TALER_EC_GENERIC_ALLOCATION_FAILURE,
+ NULL);
+ wh->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
+ wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
+ wh);
+ return wh;
+ }
+
+ GNUNET_asprintf (&wh->url,
+ "https://withpersona.com/api/v1/inquiries/%s",
+ persona_inquiry_id);
+ GNUNET_break (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_VERBOSE,
+ 1));
+ GNUNET_assert (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_MAXREDIRS,
+ 1L));
+ GNUNET_break (CURLE_OK ==
+ curl_easy_setopt (eh,
+ CURLOPT_URL,
+ wh->url));
+ wh->job = GNUNET_CURL_job_add2 (ps->curl_ctx,
+ eh,
+ pd->slist,
+ &handle_webhook_finished,
+ wh);
+ return wh;
+}
+
+
+/**
+ * Initialize persona logic plugin
+ *
+ * @param cls a configuration instance
+ * @return NULL on error, otherwise a `struct TALER_KYCLOGIC_Plugin`
+ */
+void *
+libtaler_plugin_kyclogic_persona_init (void *cls)
+{
+ const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+ struct TALER_KYCLOGIC_Plugin *plugin;
+ struct PluginState *ps;
+
+ 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
+ = &persona_load_configuration;
+ plugin->unload_configuration
+ = &persona_unload_configuration;
+ plugin->initiate
+ = &persona_initiate;
+ plugin->initiate_cancel
+ = &persona_initiate_cancel;
+ plugin->proof
+ = &persona_proof;
+ plugin->proof_cancel
+ = &persona_proof_cancel;
+ plugin->webhook
+ = &persona_webhook;
+ plugin->webhook_cancel
+ = &persona_webhook_cancel;
+ return plugin;
+}
+
+
+/**
+ * Unload authorization plugin
+ *
+ * @param cls a `struct TALER_KYCLOGIC_Plugin`
+ * @return NULL (always)
+ */
+void *
+libtaler_plugin_kyclogic_persona_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;
+}
+
+
+/* end of plugin_kyclogic_persona.c */