1 files changed, 15 insertions, 1 deletions
diff --git a/superstack.php b/superstack.php
index c02ae6d..306b7b3 100644
--- a/superstack.php
+++ b/superstack.php

@@ -1,5 +1,18 @@
 <?php
-$site = urldecode($_GET['page']);
+$site = $_GET['page'];
+if (empty($site)) {
+        echo "Superstack!\n";
+        return;
+}
+if (! preg_match('/substack\.com/', $site)) {
+        echo "Requires a substack URL!";
+        return;
+}
+$site = urldecode($site);
 $ch = curl_init($site);
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 $page = curl_exec($ch);
@@ -47,3 +60,4 @@ foreach ($content as $el) {
    </body>
        </html>

diff --git a/superstack.php b/superstack.php index c02ae6d..306b7b3 100644 --- a/superstack.php +++ b/superstack.php
@@ -1,5 +1,18 @@
1	<?php	1	<?php
2	$site = urldecode($_GET['page']);	2	$site = $_GET['page'];
		3
		4	if (empty($site)) {
		5	echo "Superstack!\n";
		6	return;
		7	}
		8
		9	if (! preg_match('/substack\.com/', $site)) {
		10	echo "Requires a substack URL!";
		11	return;
		12	}
		13
		14	$site = urldecode($site);
		15
3	$ch = curl_init($site);	16	$ch = curl_init($site);
4	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);	17	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
5	$page = curl_exec($ch);	18	$page = curl_exec($ch);
@@ -47,3 +60,4 @@ foreach ($content as $el) {
47		60
48	</body>	61	</body>
49	</html>	62	</html>
		63