diff options
author | Christian Grothoff <christian@grothoff.org> | 2020-04-21 14:25:29 +0200 |
---|---|---|
committer | Christian Grothoff <christian@grothoff.org> | 2020-04-21 14:25:29 +0200 |
commit | a417ca1d7cdf654a50ff6913f0071a171e0008e8 (patch) | |
tree | f0d31249afd4af23cb5d38fc90a1e06a917ba539 /src/lib | |
parent | 35774183363dcf91ade02ee3b3be06278ce6594c (diff) | |
download | merchant-a417ca1d7cdf654a50ff6913f0071a171e0008e8.tar.gz merchant-a417ca1d7cdf654a50ff6913f0071a171e0008e8.tar.bz2 merchant-a417ca1d7cdf654a50ff6913f0071a171e0008e8.zip |
implement POST /instances
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/Makefile.am | 4 | ||||
-rw-r--r-- | src/lib/merchant_api_delete_instance.c (renamed from src/lib/merchant_api_delete_instances_ID.c) | 145 | ||||
-rw-r--r-- | src/lib/merchant_api_get_instance.c | 292 | ||||
-rw-r--r-- | src/lib/merchant_api_post_instances.c | 307 |
4 files changed, 639 insertions, 109 deletions
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am index c2d468e2..0b76f533 100644 --- a/src/lib/Makefile.am +++ b/src/lib/Makefile.am @@ -20,9 +20,11 @@ libtalermerchanttesting_la_LDFLAGS = \ libtalermerchant_la_SOURCES = \ merchant_api_common.c \ - merchant_api_delete_instances_ID.c \ + merchant_api_delete_instance.c \ merchant_api_get_config.c \ + merchant_api_get_instance.c \ merchant_api_get_instances.c \ + merchant_api_post_instances.c \ merchant_api_check_payment.c \ merchant_api_history.c \ merchant_api_proposal.c \ diff --git a/src/lib/merchant_api_delete_instances_ID.c b/src/lib/merchant_api_delete_instance.c index 0eeb50b5..06c1d416 100644 --- a/src/lib/merchant_api_delete_instances_ID.c +++ b/src/lib/merchant_api_delete_instance.c @@ -15,8 +15,8 @@ <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 + * @file lib/merchant_api_delete_instance.c + * @brief Implementation of the DELETE /instance/$ID request of the merchant's HTTP API * @author Christian Grothoff */ #include "platform.h" @@ -65,14 +65,14 @@ struct TALER_MERCHANT_InstanceDeleteHandle /** * Function called when we're done processing the - * HTTP DELETE /instances/$ID request. + * HTTP GET /instances/$ID request. * - * @param cls the `struct TALER_MERCHANT_InstancesDeleteHandle` + * @param cls the `struct TALER_MERCHANT_InstanceDeleteHandle` * @param response_code HTTP response code, 0 on error * @param json response body, NULL if not in JSON */ static void -handle_instance_delete_finished (void *cls, +handle_delete_instance_finished (void *cls, long response_code, const void *response) { @@ -85,15 +85,11 @@ handle_instance_delete_finished (void *cls, idh->job = NULL; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Got /instances response with status code %u\n", + "Got /instances/$ID 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); + case MHD_HTTP_NO_CONTENT: break; default: /* unexpected response code */ @@ -112,8 +108,9 @@ handle_instance_delete_finished (void *cls, /** - * Purge all data associated with an instance. Use with - * extreme caution. + * Delete the private key of an instance of a backend, thereby disabling the + * instance for future requests. Will preserve the other instance data + * (i.e. for taxation). * * @param ctx the context * @param backend_url HTTP base URL for the backend @@ -123,38 +120,28 @@ handle_instance_delete_finished (void *cls, * @param instances_cb_cls closure for @a config_cb * @return the instances handle; NULL upon error */ -static struct TALER_MERCHANT_InstanceDeleteHandle * -instance_delete ( - struct GNUNET_CURL_Context *ctx, - const char *backend_url, - const char *instance_id, - bool purge, - TALER_MERCHANT_InstanceDeleteCallback instances_cb, - void *instances_cb_cls) +struct TALER_MERCHANT_InstanceDeleteHandle * +TALER_MERCHANT_instance_delete (struct GNUNET_CURL_Context *ctx, + const char *backend_url, + const char *instance_id, + TALER_MERCHANT_InstanceDeleteCallback cb, + void *cb_cls) { struct TALER_MERCHANT_InstanceDeleteHandle *idh; - CURL *eh; idh = GNUNET_new (struct TALER_MERCHANT_InstanceDeleteHandle); idh->ctx = ctx; - idh->cb = instances_cb; - idh->cb_cls = instances_cb_cls; + idh->cb = cb; + idh->cb_cls = 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); + idh->url = TALER_url_join (backend_url, + path, + NULL); GNUNET_free (path); } if (NULL == idh->url) @@ -167,85 +154,27 @@ instance_delete ( 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_instance_delete_finished, - idh); + { + CURL *eh; + + eh = curl_easy_init (); + GNUNET_assert (CURLE_OK == + curl_easy_setopt (eh, + CURLOPT_URL, + idh->url)); + idh->job = GNUNET_CURL_job_add (ctx, + eh, + GNUNET_YES, + &handle_delete_instance_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_InstanceDeleteHandle * -TALER_MERCHANT_instance_delete ( - struct GNUNET_CURL_Context *ctx, - const char *backend_url, - const char *instance_id, - TALER_MERCHANT_InstanceDeleteCallback instances_cb, - void *instances_cb_cls) -{ - return instance_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_InstanceDeleteHandle * -TALER_MERCHANT_instance_purge ( - struct GNUNET_CURL_Context *ctx, - const char *backend_url, - const char *instance_id, - TALER_MERCHANT_InstanceDeleteCallback instances_cb, - void *instances_cb_cls) -{ - return instance_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. + * Cancel DELETE /instance/$ID request. Must not be called by clients after + * the callback was invoked. * * @param idh request to cancel. */ diff --git a/src/lib/merchant_api_get_instance.c b/src/lib/merchant_api_get_instance.c new file mode 100644 index 00000000..6499a6e5 --- /dev/null +++ b/src/lib/merchant_api_get_instance.c @@ -0,0 +1,292 @@ +/* + This file is part of TALER + Copyright (C) 2014-2018, 2020 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU Lesser General Public License as published by the Free Software + Foundation; either version 2.1, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License along with + TALER; see the file COPYING.LGPL. If not, see + <http://www.gnu.org/licenses/> +*/ +/** + * @file lib/merchant_api_get_instance.c + * @brief Implementation of the GET /instance/$ID 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 GET /instances/$ID operation. + */ +struct TALER_MERCHANT_InstanceGetHandle +{ + /** + * The url for this request. + */ + char *url; + + /** + * Handle for the request. + */ + struct GNUNET_CURL_Job *job; + + /** + * Function to call with the result. + */ + TALER_MERCHANT_InstanceGetCallback cb; + + /** + * Closure for @a cb. + */ + void *cb_cls; + + /** + * Reference to the execution context. + */ + struct GNUNET_CURL_Context *ctx; + +}; + + +/** + * Function called when we're done processing the + * HTTP GET /instances/$ID request. + * + * @param cls the `struct TALER_MERCHANT_InstanceGetHandle` + * @param response_code HTTP response code, 0 on error + * @param json response body, NULL if not in JSON + */ +static void +handle_get_instance_finished (void *cls, + long response_code, + const void *response) +{ + struct TALER_MERCHANT_InstanceGetHandle *igh = cls; + const json_t *json = response; + struct TALER_MERCHANT_HttpResponse hr = { + .http_status = (unsigned int) response_code, + .reply = json + }; + + igh->job = NULL; + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Got /instances/$ID response with status code %u\n", + (unsigned int) response_code); + switch (response_code) + { + case MHD_HTTP_OK: + { + json_t *accounts; + const char *name; + struct TALER_MerchantPublicKeyP merchant_pub; + json_t *address; + json_t *jurisdiction; + struct TALER_Amount default_max_wire_fee; + uint32_t default_wire_fee_amortization; + struct TALER_Amount default_max_deposit_fee; + struct GNUNET_TIME_Relative default_wire_transfer_delay; + struct GNUNET_TIME_Relative default_pay_delay; + struct GNUNET_JSON_Specification spec[] = { + GNUNET_JSON_spec_json ("accounts", + &accounts), + GNUNET_JSON_spec_string ("name", + &name), + GNUNET_JSON_spec_fixed_auto ("merchant_pub", + &merchant_pub), + GNUNET_JSON_spec_json ("address", + &address), + GNUNET_JSON_spec_json ("jurisdiction", + &jurisdiction), + TALER_JSON_spec_amount ("default_max_wire_fee", + &default_max_wire_fee), + GNUNET_JSON_spec_uint32 ("default_wire_fee_amortization", + &default_wire_fee_amortization), + TALER_JSON_spec_amount ("default_max_deposit_fee", + &default_max_deposit_fee), + GNUNET_JSON_spec_relative_time ("default_wire_transfer_delay", + &default_wire_transfer_delay), + GNUNET_JSON_spec_relative_time ("default_pay_delay", + &default_pay_delay), + GNUNET_JSON_spec_end () + }; + + if ( (GNUNET_OK == + GNUNET_JSON_parse (json, + spec, + NULL, NULL)) && + (json_is_array (accounts)) ) + { + unsigned int accounts_length = json_array_size (accounts); + struct TALER_MERCHANT_Account aa[accounts_length]; + const char *payto_uris[accounts_length]; + size_t index; + json_t *value; + int ret = GNUNET_OK; + + memset (payto_uris, 0, sizeof (payto_uris)); + json_array_foreach (accounts, index, value) + { + struct GNUNET_JSON_Specification spec[] = { + GNUNET_JSON_spec_fixed_auto ("salt", + &aa[index].salt), + GNUNET_JSON_spec_string ("payto_uri", + &payto_uris[index]), + GNUNET_JSON_spec_fixed_auto ("h_wire", + &aa[index].h_wire), + GNUNET_JSON_spec_bool ("active", + &aa[index].active), + GNUNET_JSON_spec_end () + }; + + if (GNUNET_OK != + GNUNET_JSON_parse (value, + spec, + NULL, NULL)) + { + GNUNET_break_op (0); + ret = GNUNET_SYSERR; + break; + } + aa[index].payto_uri = payto_uris[index]; + } + + if (GNUNET_OK == ret) + { + struct TALER_MERCHANT_InstanceDetails details = { + .name = name, + .merchant_pub = &merchant_pub, + .address = address, + .jurisdiction = jurisdiction, + .default_max_wire_fee = &default_max_wire_fee, + .default_wire_fee_amortization = default_wire_fee_amortization, + .default_max_deposit_fee = &default_max_deposit_fee, + .default_wire_transfer_delay = default_wire_transfer_delay, + .default_pay_delay = default_pay_delay + }; + + igh->cb (igh->cb_cls, + &hr, + accounts_length, + aa, + &details); + GNUNET_JSON_parse_free (spec); + TALER_MERCHANT_instance_get_cancel (igh); + return; + } + } + hr.http_status = 0; + hr.ec = TALER_EC_INVALID_RESPONSE; + GNUNET_JSON_parse_free (spec); + 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; + } + igh->cb (igh->cb_cls, + &hr, + 0, + NULL, + NULL); + TALER_MERCHANT_instance_get_cancel (igh); +} + + +/** + * Get the instance data of a backend. Will connect to the merchant backend + * and obtain information about the instances. The respective information will + * be passed to the @a cb once available. + * + * @param ctx the context + * @param backend_url HTTP base URL for the backend + * @param instance_id identity of the instance to get information about + * @param cb function to call with the + * backend's instances information + * @param cb_cls closure for @a cb + * @return the instances handle; NULL upon error + */ +struct TALER_MERCHANT_InstanceGetHandle * +TALER_MERCHANT_instance_get (struct GNUNET_CURL_Context *ctx, + const char *backend_url, + const char *instance_id, + TALER_MERCHANT_InstanceGetCallback cb, + void *cb_cls) +{ + struct TALER_MERCHANT_InstanceGetHandle *igh; + CURL *eh; + + igh = GNUNET_new (struct TALER_MERCHANT_InstanceGetHandle); + igh->ctx = ctx; + igh->cb = cb; + igh->cb_cls = cb_cls; + { + char *path; + + GNUNET_asprintf (&path, + "instances/%s", + instance_id); + igh->url = TALER_url_join (backend_url, + path, + NULL); + GNUNET_free (path); + } + if (NULL == igh->url) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Could not construct request URL.\n"); + GNUNET_free (igh); + return NULL; + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Requesting URL '%s'\n", + igh->url); + eh = curl_easy_init (); + GNUNET_assert (CURLE_OK == + curl_easy_setopt (eh, + CURLOPT_URL, + igh->url)); + igh->job = GNUNET_CURL_job_add (ctx, + eh, + GNUNET_YES, + &handle_get_instance_finished, + igh); + return igh; +} + + +/** + * Cancel GET /instance/$ID request. Must not be called by clients after + * the callback was invoked. + * + * @param igh request to cancel. + */ +void +TALER_MERCHANT_instance_get_cancel ( + struct TALER_MERCHANT_InstanceGetHandle *igh) +{ + if (NULL != igh->job) + GNUNET_CURL_job_cancel (igh->job); + GNUNET_free (igh->url); + GNUNET_free (igh); +} diff --git a/src/lib/merchant_api_post_instances.c b/src/lib/merchant_api_post_instances.c new file mode 100644 index 00000000..153a9843 --- /dev/null +++ b/src/lib/merchant_api_post_instances.c @@ -0,0 +1,307 @@ +/* + This file is part of TALER + Copyright (C) 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_post_instances.c + * @brief Implementation of the POST /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 "taler_merchant_service.h" +#include <taler/taler_json_lib.h> +#include <taler/taler_curl_lib.h> + + +/** + * Handle for a POST /instances/$ID operation. + */ +struct TALER_MERCHANT_InstancesPostHandle +{ + + /** + * The url for this request. + */ + char *url; + + /** + * Handle for the request. + */ + struct GNUNET_CURL_Job *job; + + /** + * Function to call with the result. + */ + TALER_MERCHANT_InstancesPostCallback cb; + + /** + * Closure for @a cb. + */ + void *cb_cls; + + /** + * Reference to the execution context. + */ + struct GNUNET_CURL_Context *ctx; + + /** + * Minor context that holds body and headers. + */ + struct TALER_CURL_PostContext post_ctx; + +}; + + +/** + * Function called when we're done processing the + * HTTP POST /instances request. + * + * @param cls the `struct TALER_MERCHANT_Pay` + * @param response_code HTTP response code, 0 on error + * @param json response body, NULL if not in JSON + */ +static void +handle_post_instances_finished (void *cls, + long response_code, + const void *response) +{ + struct TALER_MERCHANT_InstancesPostHandle *iph = cls; + const json_t *json = response; + struct TALER_MERCHANT_HttpResponse hr = { + .http_status = (unsigned int) response_code, + .reply = json + }; + + iph->job = NULL; + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "POST /instances completed with response code %u\n", + (unsigned int) response_code); + switch (response_code) + { + case 0: + hr.ec = TALER_EC_INVALID_RESPONSE; + break; + case MHD_HTTP_NO_CONTENT: + break; + case MHD_HTTP_BAD_REQUEST: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + /* This should never happen, either us + * or the merchant is buggy (or API version conflict); + * just pass JSON reply to the application */ + break; + case MHD_HTTP_FORBIDDEN: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + /* Nothing really to verify, merchant says we tried to abort the payment + * after it was successful. We should pass the JSON reply to the + * application */ + break; + case MHD_HTTP_NOT_FOUND: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + /* Nothing really to verify, this should never + happen, we should pass the JSON reply to the + application */ + break; + case MHD_HTTP_CONFLICT: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + break; + case MHD_HTTP_INTERNAL_SERVER_ERROR: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + /* Server had an internal issue; we should retry, + but this API leaves this to the application */ + break; + default: + TALER_MERCHANT_parse_error_details_ (json, + response_code, + &hr); + /* unexpected response code */ + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Unexpected response code %u/%d\n", + (unsigned int) response_code, + (int) hr.ec); + GNUNET_break_op (0); + break; + } + iph->cb (iph->cb_cls, + &hr); + TALER_MERCHANT_instances_post_cancel (iph); +} + + +/** + * Setup an new instance in the backend. + * + * @param ctx the context + * @param backend_url HTTP base URL for the backend + * @param instance_id identity of the instance to get information about + * @param payto_uris_length length of the @a accounts array + * @param payto_uris URIs of the bank accounts of the merchant instance + * @param name name of the merchant instance + * @param address physical address of the merchant instance + * @param jurisdiction jurisdiction of the merchant instance + * @param default_max_wire_fee default maximum wire fee merchant is willing to fully pay + * @param default_wire_fee_amortization default amortization factor for excess wire fees + * @param default_max_deposit_fee default maximum deposit fee merchant is willing to pay + * @param default_wire_transfer_delay default wire transfer delay merchant will ask for + * @param default_pay_delay default validity period for offers merchant makes + * @param cb function to call with the + * backend's instances information + * @param cb_cls closure for @a config_cb + * @return the instances handle; NULL upon error + */ +struct TALER_MERCHANT_InstancesPostHandle * +TALER_MERCHANT_instances_post ( + struct GNUNET_CURL_Context *ctx, + const char *backend_url, + const char *instance_id, + unsigned int accounts_length, + const char *payto_uris[], + const char *name, + const json_t *address, + const json_t *jurisdiction, + const struct TALER_Amount *default_max_wire_fee, + uint32_t default_wire_fee_amortization, + const struct TALER_Amount *default_max_deposit_fee, + struct GNUNET_TIME_Relative default_wire_transfer_delay, + struct GNUNET_TIME_Relative default_pay_delay, + TALER_MERCHANT_InstancesPostCallback cb, + void *cb_cls) +{ + struct TALER_MERCHANT_InstancesPostHandle *iph; + json_t *jpayto_uris; + json_t *req_obj; + + jpayto_uris = json_array (); + if (NULL == jpayto_uris) + { + GNUNET_break (0); + return NULL; + } + for (unsigned int i = 0; i<accounts_length; i++) + { + if (0 != + json_array_append_new (jpayto_uris, + json_string (payto_uris[i]))) + { + GNUNET_break (0); + json_decref (jpayto_uris); + return NULL; + } + } + req_obj = json_pack ("{s:o, s:s, s:s, s:O, s:O" + " s:o, s:I: s:o, s:o, s:o}", + "payto_uris", + jpayto_uris, + "id", + instance_id, + "name", + name, + "address", + address, + "jurisdiction", + jurisdiction, + /* end of group of 5 */ + "default_max_wire_fee", + TALER_JSON_from_amount (default_max_wire_fee), + "default_wire_fee_amortization", + (json_int_t) default_wire_fee_amortization, + "default_max_deposit_fee", + TALER_JSON_from_amount (default_max_deposit_fee), + "default_wire_transfer_delay", + GNUNET_JSON_from_time_rel (default_wire_transfer_delay), + "default_pay_delay", + GNUNET_JSON_from_time_rel (default_pay_delay)); + if (NULL == req_obj) + { + GNUNET_break (0); + return NULL; + } + iph = GNUNET_new (struct TALER_MERCHANT_InstancesPostHandle); + iph->ctx = ctx; + iph->cb = cb; + iph->cb_cls = cb_cls; + iph->url = TALER_url_join (backend_url, + "/instances", + NULL); + if (NULL == iph->url) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Could not construct request URL.\n"); + json_decref (req_obj); + GNUNET_free (iph); + return NULL; + } + { + CURL *eh; + + eh = curl_easy_init (); + if (GNUNET_OK != + TALER_curl_easy_post (&iph->post_ctx, + eh, + req_obj)) + { + GNUNET_break (0); + json_decref (req_obj); + GNUNET_free (iph); + return NULL; + } + + json_decref (req_obj); + GNUNET_assert (CURLE_OK == curl_easy_setopt (eh, + CURLOPT_URL, + iph->url)); + iph->job = GNUNET_CURL_job_add2 (ctx, + eh, + iph->post_ctx.headers, + &handle_post_instances_finished, + iph); + } + return iph; +} + + +/** + * Cancel /instances request. Must not be called by clients after + * the callback was invoked. + * + * @param igh request to cancel. + */ +void +TALER_MERCHANT_instances_post_cancel ( + struct TALER_MERCHANT_InstancesPostHandle *iph) +{ + if (NULL != iph->job) + { + GNUNET_CURL_job_cancel (iph->job); + iph->job = NULL; + } + TALER_curl_easy_post_finished (&iph->post_ctx); + GNUNET_free (iph->url); + GNUNET_free (iph); +} + + +/* end of merchant_api_post_instances.c */ |