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#include "capi.h"
/* Helper for writebacks */
static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
((std::string*)userp)->append((char*)contents, size * nmemb);
return size * nmemb;
}
capi::capi(std::string base_url){
root_url = base_url;
}
capi::~capi(){
// Nothing
}
/**
* GET API call from an endpoint
*/
std::string capi::get(std::string end_point){
CURLcode ret;
CURL *hnd;
struct curl_slist *slist1;
std::string auth_header = "Authorization: Token token=\"" + auth_token + "\"";
std::string url = root_url + "/" + end_point;
if(!obj_id.empty()){ url = url + "/" + obj_id; }
std::string readBuffer;
/* Create header */
slist1 = NULL;
slist1 = curl_slist_append(slist1, auth_header.c_str());
/* Initialize curl GET request */
hnd = curl_easy_init();
curl_easy_setopt(hnd, CURLOPT_URL, url.c_str());
curl_easy_setopt(hnd, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(hnd, CURLOPT_USERAGENT, "curl/7.43.0");
curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, slist1);
curl_easy_setopt(hnd, CURLOPT_MAXREDIRS, 50L);
curl_easy_setopt(hnd, CURLOPT_TCP_KEEPALIVE, 1L);
/* Write response to readBuffer */
curl_easy_setopt(hnd, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(hnd, CURLOPT_WRITEDATA, &readBuffer);
/* Perform API request */
ret = curl_easy_perform(hnd);
/* Obtain response code */
long http_code = 0;
curl_easy_getinfo(hnd, CURLINFO_RESPONSE_CODE, &http_code);
/* Clean up curl */
curl_easy_cleanup(hnd);
hnd = NULL;
curl_slist_free_all(slist1);
slist1 = NULL;
return readBuffer;
}
/**
* POST API call from an endpoint
*/
std::string capi::post(std::string end_point){
CURLcode ret;
CURL *hnd;
struct curl_slist *slist1;
std::string auth_header = "Authorization: Token token=\"" + auth_token + "\"";
std::string url = root_url + "/" + end_point;
std::string readBuffer;
slist1 = NULL;
slist1 = curl_slist_append(slist1, auth_header.c_str());
hnd = curl_easy_init();
curl_easy_setopt(hnd, CURLOPT_URL, url.c_str());
curl_easy_setopt(hnd, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(hnd, CURLOPT_USERAGENT, "curl/7.43.0");
curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, slist1);
curl_easy_setopt(hnd, CURLOPT_MAXREDIRS, 50L);
curl_easy_setopt(hnd, CURLOPT_CUSTOMREQUEST, "POST");
curl_easy_setopt(hnd, CURLOPT_TCP_KEEPALIVE, 1L);
curl_easy_setopt(hnd, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(hnd, CURLOPT_WRITEDATA, &readBuffer);
/* Perform API request */
ret = curl_easy_perform(hnd);
/* Obtain response code */
long http_code = 0;
curl_easy_getinfo(hnd, CURLINFO_RESPONSE_CODE, &http_code);
/* Clean up curl */
curl_easy_cleanup(hnd);
hnd = NULL;
curl_slist_free_all(slist1);
slist1 = NULL;
return readBuffer;
}
/**
* PATCH API call from an endpoint
*/
std::string capi::patch(std::string end_point, std::string data){
CURLcode ret;
CURL *hnd;
struct curl_httppost *post1;
struct curl_httppost *postend;
struct curl_slist *slist1;
std::string auth_header = "Authorization: Token token=\"" + auth_token + "\"";
std::string url = root_url + "/" + end_point + "/" + obj_id;
std::string readBuffer;
post1 = NULL;
postend = NULL;
curl_formadd(&post1, &postend,
CURLFORM_COPYNAME, "data",
CURLFORM_COPYCONTENTS, data.c_str(),
CURLFORM_END);
slist1 = NULL;
slist1 = curl_slist_append(slist1, auth_header.c_str());
hnd = curl_easy_init();
curl_easy_setopt(hnd, CURLOPT_URL, url.c_str());
curl_easy_setopt(hnd, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(hnd, CURLOPT_HTTPPOST, post1);
curl_easy_setopt(hnd, CURLOPT_USERAGENT, "curl/7.43.0");
curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, slist1);
curl_easy_setopt(hnd, CURLOPT_MAXREDIRS, 50L);
curl_easy_setopt(hnd, CURLOPT_CUSTOMREQUEST, "PATCH");
curl_easy_setopt(hnd, CURLOPT_TCP_KEEPALIVE, 1L);
curl_easy_setopt(hnd, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(hnd, CURLOPT_WRITEDATA, &readBuffer);
/* Perform API request */
ret = curl_easy_perform(hnd);
/* Obtain response code */
long http_code = 0;
curl_easy_getinfo(hnd, CURLINFO_RESPONSE_CODE, &http_code);
curl_easy_cleanup(hnd);
hnd = NULL;
curl_formfree(post1);
post1 = NULL;
curl_slist_free_all(slist1);
slist1 = NULL;
return readBuffer;
}
/** Get/Set the base url **/
void capi::set_base_url(std::string base_url){ root_url = base_url; }
std::string capi::get_base_url(){ return root_url; }
/** Get/Set authorization tokens for API calls **/
void capi::set_auth_token(std::string token){ auth_token = token; }
std::string capi::get_auth_token(){ return auth_token; }
/** Get/Set the obj_id for GET call, i.e. www.test.com/item/<obj_id>.json **/
void capi::set_obj_id(std::string id){ obj_id = id; }
std::string capi::get_obj_id(){ return obj_id; }
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