From 3b73d44461869c3a8435c528e747ceb386e8edf1 Mon Sep 17 00:00:00 2001
From: Shuqi <shuqi@odonatabooks.com>
Date: Mon, 13 Nov 2023 03:44:51 +0800
Subject: [PATCH] Script for download

---
 download.php | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 download.php

diff --git a/download.php b/download.php
new file mode 100644
index 0000000..cd913d2
--- /dev/null
+++ b/download.php
@@ -0,0 +1,66 @@
+<?php
+
+if (empty($_GET['icon']) || !preg_match("/^\w+(\.svg)?$/", $_GET['icon'])) exit;
+
+$request = $_GET['icon'];
+$icons_path = __DIR__."/icons";
+
+if ($request == 'all') {
+	$mtime = filemtime(__DIR__.'/assets/index.js');
+	$zip_filename = "pixel-icons-$mtime.zip";
+	$zip_path = __DIR__."/zipped/$zip_filename";
+
+	if (!is_file($zip_path)) {
+		$zip = new ZipArchive();
+		if ($zip->open($zip_path, ZipArchive::CREATE) === TRUE) {
+			$files = scandir($icons_path);
+			foreach ($files as $file) {
+				$file_path = $icons_path."/$file";
+				if (substr($file, -4, 4) == ".svg") {
+					touch($file_path);
+					$zip->addFile($file_path, $file);
+				}
+			}
+			$zip->close();
+		} else {
+			echo "Oops";
+			exit;
+		}
+	}
+
+	if (is_file($zip_path)) {
+		header('Content-Type: application/zip');
+		$quoted = sprintf('"%s"', addcslashes(basename($zip_path), '"\\'));
+		$size   = filesize($zip_path);
+		
+		header('Content-Description: File Transfer');
+		header('Content-Type: application/octet-stream');
+		header('Content-Disposition: attachment; filename=' . $quoted); 
+		header('Content-Transfer-Encoding: binary');
+		header('Connection: Keep-Alive');
+		header('Expires: 0');
+		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+		header('Pragma: public');
+		header('Content-Length: ' . $size);
+		readfile($zip_path);
+	}
+
+} else {
+	$file = $icons_path . "/$request";
+	if (!is_file($file)) exit;
+	
+	header('Content-Type: image/svg+xml');
+	$quoted = sprintf('"%s"', addcslashes(basename($file), '"\\'));
+	$size   = filesize($file);
+	
+	header('Content-Description: File Transfer');
+	header('Content-Type: application/octet-stream');
+	header('Content-Disposition: attachment; filename=' . $quoted); 
+	header('Content-Transfer-Encoding: binary');
+	header('Connection: Keep-Alive');
+	header('Expires: 0');
+	header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+	header('Pragma: public');
+	header('Content-Length: ' . $size);
+	readfile($file);
+}