completed requests to ofd.ru

net/net.cpp

@@ -1,5 +1,6 @@
 #include "net.h"
 #include <curl/curl.h>
+#include "../utils/utils.h"
 #include <iostream>
 #include <vector>
 #include <regex>
@@ -32,6 +33,12 @@ void write_modules(void *buffer, size_t size, size_t nmemb, void *modules) {
     }
 }
 
+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();
 
@@ -47,7 +54,7 @@ std::vector<std::string> Net::get_all_modules(std::string url) {
     return modules;
 }
 
-std::string Net::get_file(std::string url, std::string filename) {
+void Net::get_file(std::string url, std::string filename) {
     CURL *handle = curl_easy_init();
 
     curl_easy_setopt(handle, CURLOPT_URL, url.c_str());
@@ -58,6 +65,45 @@ std::string Net::get_file(std::string url, std::string filename) {
     auto success = curl_easy_perform(handle);
 
     curl_easy_cleanup(handle);
-
-    return "";
+}
+
+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"));
 }