add resource download

Utils/WebUtils.h

@@ -0,0 +1,63 @@
+/**
+ * Karaka
+ *
+ * @package   Utils
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://karaka.app
+ */
+#ifndef UTILS_WEB_UTILS_H
+#define UTILS_WEB_UTILS_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <curl/curl.h>
+
+#include "FileUtils.h"
+
+namespace Utils {
+    class WebUtils {
+        private:
+            static
+            int write_download_data (void *ptr, size_t size, size_t nmeb, void *stream)
+            {
+                Utils::FileUtils::file_body *out = (Utils::FileUtils::file_body *) stream;
+                int outSize    = size * nmeb;
+
+                out->content = (char *) malloc(outSize + 1);
+                if (!out->content) {
+                    fprintf(stderr, "CRITICAL: malloc failed");
+                }
+
+                if (out->content) {
+                    memcpy(out->content, ptr, outSize);
+
+                    out->size               = outSize;
+                    out->content[out->size] = 0;
+                }
+
+                return out->size;
+            }
+
+        public:
+            static
+            Utils::FileUtils::file_body download (char *url)
+            {
+                file_body page = {0};
+
+                CURL *h = curl_easy_init();
+                curl_easy_setopt(h, CURLOPT_URL, url);
+
+                curl_easy_setopt(h, CURLOPT_WRITEFUNCTION, write_download_data);
+                curl_easy_setopt(h, CURLOPT_WRITEDATA, &page);
+                curl_easy_perform(h);
+                curl_easy_cleanup(h);
+
+                return page;
+            }
+    };
+}
+
+#endif