1 files changed, 41 insertions, 0 deletions
diff --git a/controllers/archive_page.php b/controllers/archive_page.php
new file mode 100644
index 0000000..593076f
--- /dev/null
+++ b/controllers/archive_page.php
@@ -0,0 +1,41 @@
+<?php
+
+function on_post() {
+    $WEBSITE_CATEGORY = 'page_url';
+    $website_url = $_POST[$WEBSITE_CATEGORY];
+    $website_exists = does_website_exist($website_url) ? "true" : "false";
+    echo "Website exists: $website_exists" . "<br/>";
+}
+
+function apply_correct_protocol($url, $protocol) {
+    if (str_contains($url, $protocol)) {
+        return $url;
+    }
+
+    return $protocol . $url;
+}
+
+function does_website_exist($url) {
+    $result = false;
+
+    // Check if the site exists with https
+    $https_url = apply_correct_protocol($url, "https://");
+    if ($https_url != $url) {
+        $url_headers = @get_headers($https_url);
+        $result |= $url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found';
+    }
+
+    // Check if the site exists with http
+    $http_url = apply_correct_protocol($url, "http://");
+    if ($http_url != $url) {
+        $url_headers = @get_headers($http_url);
+        $result |= $url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found';
+    }
+
+    // Check if the site exists as is
+    // Will take effect when the user has entered the https/http protocol with the site
+    $url_headers = @get_headers($url);
+    $result |= $url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found';
+
+    return $result;
+}