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author | Christian Grothoff <christian@grothoff.org> | 2020-04-19 11:51:39 +0200 |
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committer | Christian Grothoff <christian@grothoff.org> | 2020-04-19 11:51:39 +0200 |
commit | f0ba12d35661256827ce578ab9bd0420d7a7b7f5 (patch) | |
tree | be93b139e2022b05c633c9183626053dd05b4969 /src/lib | |
parent | d5f14ec8e71bf4bc983535dc74b7af04d651da45 (diff) | |
download | merchant-f0ba12d35661256827ce578ab9bd0420d7a7b7f5.tar.gz merchant-f0ba12d35661256827ce578ab9bd0420d7a7b7f5.tar.bz2 merchant-f0ba12d35661256827ce578ab9bd0420d7a7b7f5.zip |
implement DELETE /instances/$ID
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/Makefile.am | 7 | ||||
-rw-r--r-- | src/lib/merchant_api_delete_instances_ID.c | 260 | ||||
-rw-r--r-- | src/lib/merchant_api_get_config.c (renamed from src/lib/merchant_api_config_get.c) | 2 | ||||
-rw-r--r-- | src/lib/merchant_api_get_instances.c (renamed from src/lib/merchant_api_instances_get.c) | 6 |
4 files changed, 268 insertions, 7 deletions
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am index ccaaaea6..c2d468e2 100644 --- a/src/lib/Makefile.am +++ b/src/lib/Makefile.am @@ -19,10 +19,11 @@ libtalermerchanttesting_la_LDFLAGS = \ -no-undefined libtalermerchant_la_SOURCES = \ - merchant_api_check_payment.c \ merchant_api_common.c \ - merchant_api_config_get.c \ - merchant_api_instances_get.c \ + merchant_api_delete_instances_ID.c \ + merchant_api_get_config.c \ + merchant_api_get_instances.c \ + merchant_api_check_payment.c \ merchant_api_history.c \ merchant_api_proposal.c \ merchant_api_proposal_lookup.c \ diff --git a/src/lib/merchant_api_delete_instances_ID.c b/src/lib/merchant_api_delete_instances_ID.c new file mode 100644 index 00000000..46405bb3 --- /dev/null +++ b/src/lib/merchant_api_delete_instances_ID.c @@ -0,0 +1,260 @@ +/* + This file is part of TALER + Copyright (C) 2014-2018, 2020 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU Lesser General Public License as published by the Free Software + Foundation; either version 2.1, 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License along with + TALER; see the file COPYING.LGPL. If not, see + <http://www.gnu.org/licenses/> +*/ +/** + * @file lib/merchant_api_delete_instances_ID.c + * @brief Implementation of the GET /instances request of the merchant's HTTP API + * @author Christian Grothoff + */ +#include "platform.h" +#include <curl/curl.h> +#include <jansson.h> +#include <microhttpd.h> /* just for HTTP status codes */ +#include <gnunet/gnunet_util_lib.h> +#include <gnunet/gnunet_curl_lib.h> +#include "taler_merchant_service.h" +#include <taler/taler_json_lib.h> +#include <taler/taler_signatures.h> + + +/** + * Handle for a DELETE /instances/$ID operation. + */ +struct TALER_MERCHANT_InstancesDeleteHandle +{ + /** + * The url for this request. + */ + char *url; + + /** + * Handle for the request. + */ + struct GNUNET_CURL_Job *job; + + /** + * Function to call with the result. + */ + TALER_MERCHANT_InstancesDeleteCallback cb; + + /** + * Closure for @a cb. + */ + void *cb_cls; + + /** + * Reference to the execution context. + */ + struct GNUNET_CURL_Context *ctx; + +}; + + +/** + * Function called when we're done processing the + * HTTP DELETE /instances/$ID request. + * + * @param cls the `struct TALER_MERCHANT_InstancesDeleteHandle` + * @param response_code HTTP response code, 0 on error + * @param json response body, NULL if not in JSON + */ +static void +handle_instances_delete_finished (void *cls, + long response_code, + const void *response) +{ + struct TALER_MERCHANT_InstancesDeleteHandle *idh = cls; + const json_t *json = response; + struct TALER_MERCHANT_HttpResponse hr = { + .http_status = (unsigned int) response_code, + .reply = json + }; + + idh->job = NULL; + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Got /instances response with status code %u\n", + (unsigned int) response_code); + switch (response_code) + { + case MHD_HTTP_OK: + break; + case MHD_HTTP_NOT_FOUND: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + break; + default: + /* unexpected response code */ + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Unexpected response code %u/%d\n", + (unsigned int) response_code, + (int) hr.ec); + break; + } + idh->cb (idh->cb_cls, + &hr); + TALER_MERCHANT_instances_delete_cancel (idh); +} + + +/** + * Purge all data associated with an instance. Use with + * extreme caution. + * + * @param ctx the context + * @param backend_url HTTP base URL for the backend + * @param instance_id which instance should be deleted + * @param instances_cb function to call with the + * backend's return + * @param instances_cb_cls closure for @a config_cb + * @return the instances handle; NULL upon error + */ +static struct TALER_MERCHANT_InstancesDeleteHandle * +instances_delete ( + struct GNUNET_CURL_Context *ctx, + const char *backend_url, + const char *instance_id, + bool purge, + TALER_MERCHANT_InstancesDeleteCallback instances_cb, + void *instances_cb_cls) +{ + struct TALER_MERCHANT_InstancesDeleteHandle *idh; + CURL *eh; + + idh = GNUNET_new (struct TALER_MERCHANT_InstancesDeleteHandle); + idh->ctx = ctx; + idh->cb = instances_cb; + idh->cb_cls = instances_cb_cls; + { + char *path; + + GNUNET_asprintf (&path, + "instances/%s", + instance_id); + if (purge) + idh->url = TALER_url_join (backend_url, + path, + "purge", + "true", + NULL); + else + idh->url = TALER_url_join (backend_url, + path, + NULL); + GNUNET_free (path); + } + if (NULL == idh->url) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Could not construct request URL.\n"); + GNUNET_free (idh); + return NULL; + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Requesting URL '%s'\n", + idh->url); + eh = curl_easy_init (); + GNUNET_assert (CURLE_OK == + curl_easy_setopt (eh, + CURLOPT_URL, + idh->url)); + GNUNET_assert (CURLE_OK == + curl_easy_setopt (eh, + CURLOPT_CUSTOMREQUEST, + MHD_HTTP_METHOD_DELETE)); + idh->job = GNUNET_CURL_job_add (ctx, + eh, + GNUNET_YES, + &handle_instances_delete_finished, + idh); + return idh; +} + + +/** + * Purge all data associated with an instance. Use with + * extreme caution. + * + * @param ctx the context + * @param backend_url HTTP base URL for the backend + * @param instance_id which instance should be deleted + * @param instances_cb function to call with the + * backend's return + * @param instances_cb_cls closure for @a config_cb + * @return the instances handle; NULL upon error + */ +struct TALER_MERCHANT_InstancesDeleteHandle * +TALER_MERCHANT_instances_delete_instance ( + struct GNUNET_CURL_Context *ctx, + const char *backend_url, + const char *instance_id, + TALER_MERCHANT_InstancesDeleteCallback instances_cb, + void *instances_cb_cls) +{ + return instances_delete (ctx, + backend_url, + instance_id, + false, + instances_cb, + instances_cb_cls); +} + + +/** + * Purge all data associated with an instance. Use with + * extreme caution. + * + * @param ctx the context + * @param backend_url HTTP base URL for the backend + * @param instance_id which instance should be deleted + * @param instances_cb function to call with the + * backend's return + * @param instances_cb_cls closure for @a config_cb + * @return the instances handle; NULL upon error + */ +struct TALER_MERCHANT_InstancesDeleteHandle * +TALER_MERCHANT_instances_purge_instance ( + struct GNUNET_CURL_Context *ctx, + const char *backend_url, + const char *instance_id, + TALER_MERCHANT_InstancesDeleteCallback instances_cb, + void *instances_cb_cls) +{ + return instances_delete (ctx, + backend_url, + instance_id, + true, + instances_cb, + instances_cb_cls); +} + + +/** + * Cancel /instances DELETE request. Must not be called by clients after the + * callback was invoked. + * + * @param idh request to cancel. + */ +void +TALER_MERCHANT_instances_delete_cancel ( + struct TALER_MERCHANT_InstancesDeleteHandle *idh) +{ + if (NULL != idh->job) + GNUNET_CURL_job_cancel (idh->job); + GNUNET_free (idh->url); + GNUNET_free (idh); +} diff --git a/src/lib/merchant_api_config_get.c b/src/lib/merchant_api_get_config.c index 2e3ac5d3..8a2d88b7 100644 --- a/src/lib/merchant_api_config_get.c +++ b/src/lib/merchant_api_get_config.c @@ -15,7 +15,7 @@ <http://www.gnu.org/licenses/> */ /** - * @file lib/merchant_api_config_get.c + * @file lib/merchant_api_get_config.c * @brief Implementation of the /config request of the merchant's HTTP API * @author Christian Grothoff */ diff --git a/src/lib/merchant_api_instances_get.c b/src/lib/merchant_api_get_instances.c index 437911df..830e9b5f 100644 --- a/src/lib/merchant_api_instances_get.c +++ b/src/lib/merchant_api_get_instances.c @@ -15,7 +15,7 @@ <http://www.gnu.org/licenses/> */ /** - * @file lib/merchant_api_instances_get.c + * @file lib/merchant_api_get_instances.c * @brief Implementation of the GET /instances request of the merchant's HTTP API * @author Christian Grothoff */ @@ -48,7 +48,7 @@ struct TALER_MERCHANT_InstancesGetHandle /** * Function to call with the result. */ - TALER_MERCHANT_InstancesCallback cb; + TALER_MERCHANT_InstancesGetCallback cb; /** * Closure for @a cb. @@ -238,7 +238,7 @@ handle_instances_finished (void *cls, struct TALER_MERCHANT_InstancesGetHandle * TALER_MERCHANT_instances_get (struct GNUNET_CURL_Context *ctx, const char *backend_url, - TALER_MERCHANT_InstancesCallback instances_cb, + TALER_MERCHANT_InstancesGetCallback instances_cb, void *instances_cb_cls) { struct TALER_MERCHANT_InstancesGetHandle *igh; |