checks-parser/net/net.cpp

110 lines
3.3 KiB
C++

#include "net.h"
#include <curl/curl.h>
#include "../utils/utils.h"
#include <iostream>
#include <vector>
#include <regex>
struct data {};
size_t write_data(void *buffer, size_t size, size_t nmemb, void *filename) {
FILE *f = fopen(((std::string *)filename)->c_str(), "w");
size_t written = fwrite(buffer, size, nmemb, f);
fclose(f);
return written;
}
Net::Net() {}
void write_modules(void *buffer, size_t size, size_t nmemb, void *modules) {
std::vector<std::string> *modules_vector =
(std::vector<std::string> *)modules;
std::string to_parse = std::string((char*)buffer);
std::regex r("(?!\\\")\\w+\\.json(?!\\\")", std::regex::collate);
std::smatch res;
std::string::const_iterator search(to_parse.cbegin());
while (std::regex_search(search, to_parse.cend(), res, r)) {
modules_vector->push_back(res[0]);
search = res.suffix().first;
}
}
size_t writeCallback(void* contents, size_t size, size_t nmemb, void* userp) {
size_t totalSize = size * nmemb;
((std::string*)userp)->append(std::string((char*)contents));
return totalSize;
}
std::vector<std::string> Net::get_all_modules(std::string url) {
CURL *handle = curl_easy_init();
curl_easy_setopt(handle, CURLOPT_URL, url.c_str());
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_modules);
std::vector<std::string> modules {};
curl_easy_setopt(handle, CURLOPT_WRITEDATA, &modules);
curl_easy_perform(handle);
return modules;
}
void Net::get_file(std::string url, std::string filename) {
CURL *handle = curl_easy_init();
curl_easy_setopt(handle, CURLOPT_URL, url.c_str());
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, &filename);
auto success = curl_easy_perform(handle);
curl_easy_cleanup(handle);
}
std::string Net::fetch_check_data_from_ofdru(std::string fn, std::string fd, std::string fi, std::string datetime, int operation, int total, std::string captcha) {
CURL *handle = curl_easy_init();
if (handle == nullptr) {
std::cerr << "cannot initialize curl" << std::endl;
return "";
}
struct curl_slist *headers = NULL;
std::string readBuffer = "";
curl_easy_setopt(handle, CURLOPT_URL, "https://check.ofd.ru/Document/FetchReceiptFromFns");
headers = curl_slist_append(headers, "Content-Type: application/json;charset=UTF-8");
curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headers);
std::string dataJSON =
"{"
"\"TotalSum\":" + std::to_string(total) + ","
"\"FnNumber\":\"" + fn + "\","
"\"ReceiptOperationType\":\"" + std::to_string(operation) + "\","
"\"DocNumber\":\"" + fd + "\","
"\"DocFiscalSign\":\"" + fi + "\","
"\"Captcha\":\"" + captcha + "\","
"\"DocDateTime\":\"" + datetime + ".000Z\""
"}";
curl_easy_setopt(handle, CURLOPT_POSTFIELDS, dataJSON.c_str());
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, writeCallback);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, &readBuffer);
auto answer = curl_easy_perform(handle);
delete headers;
curl_easy_cleanup(handle);
return readBuffer;
}
void Net::get_captcha_from_ofdru() {
get_file("https://check.ofd.ru/api/captcha/common/img", get_path_relative_to_home(".local/share/checks_parser/captcha.png"));
}