[FEATURE] Add config and use composer autoloader.

We use composer already to install SabreDAV. Include config
composer.(json|lock) to install and manage more dependencies
in future.
Also provide PSR-4 autoloading for our namespaced classes, e.g.
"Zotlabs\". To regenerate autoloader maps use:
$ composer install --optimize-autoloader --no-dev

We could also remove the whole vendor/ folder from our repository, but
that would need changes in deployment and how to install hubs and needs
more discussion first.

2 files changed, 22 insertions, 4 deletions

diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php b/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
index a3c36dc64..8392a5cc1 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
@@ -260,21 +260,39 @@ class Recur extends Property {
 
         foreach ($values as $key => $value) {
 
-            if (empty($value)) {
+            if ($value === '') {
                 $warnings[] = [
-                    'level'   => $repair ? 3 : 1,
+                    'level'   => $repair ? 1 : 3,
                     'message' => 'Invalid value for ' . $key . ' in ' . $this->name,
                     'node'    => $this
                 ];
                 if ($repair) {
                     unset($values[$key]);
                 }
+            } elseif ($key == 'BYMONTH') {
+                $byMonth = (array)$value;
+                foreach ($byMonth as $i => $v) {
+                    if (!is_numeric($v) || (int)$v < 1 || (int)$v > 12) {
+                        $warnings[] = [
+                            'level'   => $repair ? 1 : 3,
+                            'message' => 'BYMONTH in RRULE must have value(s) between 1 and 12!',
+                            'node'    => $this
+                        ];
+                        if ($repair) {
+                            if (is_array($value)) {
+                                unset($values[$key][$i]);
+                            } else {
+                                unset($values[$key]);
+                            }
+                        }
+                    }
+                }
             }
 
         }
         if (!isset($values['FREQ'])) {
             $warnings[] = [
-                'level'   => $repair ? 3 : 1,
+                'level'   => $repair ? 1 : 3,
                 'message' => 'FREQ is required in ' . $this->name,
                 'node'    => $this
             ];
diff --git a/vendor/sabre/vobject/lib/Property/Text.php b/vendor/sabre/vobject/lib/Property/Text.php
index 2e16ac534..abc17563f 100644
--- a/vendor/sabre/vobject/lib/Property/Text.php
+++ b/vendor/sabre/vobject/lib/Property/Text.php
@@ -397,7 +397,7 @@ class Text extends Property {
             if (count($parts) < $minimum) {
                 $warnings[] = [
                     'level'   => $options & self::REPAIR ? 1 : 3,
-                    'message' => 'The ' . $this->name  . ' property must have at least ' . $minimum . ' values. It only has ' . count($parts),
+                    'message' => 'The ' . $this->name . ' property must have at least ' . $minimum . ' values. It only has ' . count($parts),
                     'node'    => $this,
                 ];
                 if ($options & self::REPAIR) {