X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=application%2FHttpUtils.php;h=0083596643f510d4ea131fad9df25de215ff77ac;hb=a3130d2c2f27052710d4dbd51d0001190b19b383;hp=88a1efdb86382646648d9a26a2cbeab022f7ecdf;hpb=2a1292359b79ec77257583ea9d97891dfd2ddb1b;p=github%2Fshaarli%2FShaarli.git

diff --git a/application/HttpUtils.php b/application/HttpUtils.php
index 88a1efdb..00835966 100644
--- a/application/HttpUtils.php
+++ b/application/HttpUtils.php
@@ -401,3 +401,31 @@ function getIpAddressFromProxy($server, $trustedIps)
 
     return array_pop($ips);
 }
+
+/**
+ * Returns true if Shaarli's currently browsed in HTTPS.
+ * Supports reverse proxies (if the headers are correctly set).
+ *
+ * @param array $server $_SERVER.
+ *
+ * @return bool true if HTTPS, false otherwise.
+ */
+function is_https($server)
+{
+
+    if (isset($server['HTTP_X_FORWARDED_PORT'])) {
+        // Keep forwarded port
+        if (strpos($server['HTTP_X_FORWARDED_PORT'], ',') !== false) {
+            $ports = explode(',', $server['HTTP_X_FORWARDED_PORT']);
+            $port = trim($ports[0]);
+        } else {
+            $port = $server['HTTP_X_FORWARDED_PORT'];
+        }
+
+        if ($port == '443') {
+            return true;
+        }
+    }
+
+    return ! empty($server['HTTPS']);
+}