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scripting/updater/download_curl.sp

@@ -0,0 +1,62 @@
+
+/* Extension Helper - cURL */
+
+void Download_cURL(const char[] url, const char[] dest)
+{
+	char sURL[MAX_URL_LENGTH];
+	PrefixURL(sURL, sizeof(sURL), url);
+	
+	Handle hFile = curl_OpenFile(dest, "wb");
+	
+	if (hFile == INVALID_HANDLE)
+	{
+		char sError[256];
+		FormatEx(sError, sizeof(sError), "Error writing to file: %s", dest);
+		DownloadEnded(false, sError);
+		return;
+	}
+	
+	int CURL_Default_opt[][2] = {
+		{view_as<int>(CURLOPT_NOSIGNAL),		1},
+		{view_as<int>(CURLOPT_NOPROGRESS),		1},
+		{view_as<int>(CURLOPT_TIMEOUT),			30},
+		{view_as<int>(CURLOPT_CONNECTTIMEOUT),	60},
+		{view_as<int>(CURLOPT_VERBOSE),			0}
+	};
+	
+	Handle headers = curl_slist();
+	curl_slist_append(headers, "Pragma: no-cache");
+	curl_slist_append(headers, "Cache-Control: no-cache");
+	
+	Handle hDLPack = CreateDataPack();
+	WritePackCell(hDLPack, view_as<int>(hFile));
+	WritePackCell(hDLPack, view_as<int>(headers));
+	
+	Handle curl = curl_easy_init();
+	curl_easy_setopt_int_array(curl, CURL_Default_opt, sizeof(CURL_Default_opt));
+	curl_easy_setopt_handle(curl, CURLOPT_WRITEDATA, hFile);
+	curl_easy_setopt_string(curl, CURLOPT_URL, url);
+	curl_easy_setopt_handle(curl, CURLOPT_HTTPHEADER, headers);
+	curl_easy_perform_thread(curl, OnCurlComplete, hDLPack);
+}
+
+public void OnCurlComplete(Handle curl, CURLcode code, any hDLPack)
+{
+	ResetPack(hDLPack);
+	CloseHandle(ReadPackCell(hDLPack));	// hFile
+	CloseHandle(ReadPackCell(hDLPack));	// headers
+	CloseHandle(hDLPack);
+	CloseHandle(curl);
+	
+	if(code == CURLE_OK)
+	{
+		DownloadEnded(true);
+	}
+	else
+	{
+		char sError[256];
+		curl_easy_strerror(code, sError, sizeof(sError));
+		Format(sError, sizeof(sError), "cURL error: %s", sError);
+		DownloadEnded(false, sError);
+	}
+}