Add a simple get() func using libcurl

CMakeLists.txt

@@ -6,15 +6,22 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 find_package(Qt6 REQUIRED COMPONENTS Widgets)
+find_package(CURL REQUIRED)
 
 qt_standard_project_setup()
 
 add_executable(CrabCrawler
     src/main.cpp
+
     src/ui/navbar.cpp
     src/ui/content.cpp
 )
 
+target_link_libraries(CrabCrawler
+    PRIVATE Qt6::Widgets
+    ${CURL_LIBRARIES}
+)
+
 target_link_libraries(CrabCrawler
     PRIVATE Qt6::Widgets
 )

src/util/http.c

@@ -0,0 +1,46 @@
+#include <curl/curl.h>
+
+struct HttpResponse
+{
+    long status;
+    char *body;
+};
+
+static size_t write_callback(void *ptr, size_t size, size_t nmemb, void *userdata)
+{
+    size_t total = size * nmemb;
+    struct HttpResponse *resp = (struct HttpResponse *)userdata;
+
+    size_t old_len = resp->body ? strlen(resp->body) : 0;
+    char *new_body = (char *)realloc(resp->body, old_len + total + 1);
+    if (!new_body)
+        return 0;
+
+    resp->body = new_body;
+    memcpy(resp->body + old_len, ptr, total);
+    resp->body[old_len + total] = '\0';
+
+    return total;
+}
+
+struct HttpResponse get(const char *url)
+{
+    struct HttpResponse resp = {0, NULL};
+
+    CURL *curl = curl_easy_init();
+    if (!curl)
+        return resp;
+
+    resp.body = (char *)malloc(1);
+    resp.body[0] = '\0';
+
+    curl_easy_setopt(curl, CURLOPT_URL, url);
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &resp);
+
+    curl_easy_perform(curl);
+    curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &resp.status);
+
+    curl_easy_cleanup(curl);
+    return resp;
+}