initial sabre upgrade (needs lots of work - to wit: authentication, redo the browser interface, and rework event export/import)

1 files changed, 148 insertions, 0 deletions

diff --git a/vendor/sabre/dav/lib/CalDAV/SharedCalendar.php b/vendor/sabre/dav/lib/CalDAV/SharedCalendar.php
new file mode 100644
index 000000000..7973eff9c
--- /dev/null
+++ b/vendor/sabre/dav/lib/CalDAV/SharedCalendar.php
@@ -0,0 +1,148 @@
+<?php
+
+namespace Sabre\CalDAV;
+
+/**
+ * This object represents a CalDAV calendar that is shared by a different user.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class SharedCalendar extends Calendar implements ISharedCalendar {
+
+    /**
+     * Constructor
+     *
+     * @param Backend\BackendInterface $caldavBackend
+     * @param array $calendarInfo
+     */
+    function __construct(Backend\BackendInterface $caldavBackend, $calendarInfo) {
+
+        $required = [
+            '{http://calendarserver.org/ns/}shared-url',
+            '{http://sabredav.org/ns}owner-principal',
+            '{http://sabredav.org/ns}read-only',
+        ];
+        foreach ($required as $r) {
+            if (!isset($calendarInfo[$r])) {
+                throw new \InvalidArgumentException('The ' . $r . ' property must be specified for SharedCalendar(s)');
+            }
+        }
+
+        parent::__construct($caldavBackend, $calendarInfo);
+
+    }
+
+    /**
+     * This method should return the url of the owners' copy of the shared
+     * calendar.
+     *
+     * @return string
+     */
+    function getSharedUrl() {
+
+        return $this->calendarInfo['{http://calendarserver.org/ns/}shared-url'];
+
+    }
+
+    /**
+     * Returns the owner principal
+     *
+     * This must be a url to a principal, or null if there's no owner
+     *
+     * @return string|null
+     */
+    function getOwner() {
+
+        return $this->calendarInfo['{http://sabredav.org/ns}owner-principal'];
+
+    }
+
+    /**
+     * Returns a list of ACE's for this node.
+     *
+     * Each ACE has the following properties:
+     *   * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
+     *     currently the only supported privileges
+     *   * 'principal', a url to the principal who owns the node
+     *   * 'protected' (optional), indicating that this ACE is not allowed to
+     *      be updated.
+     *
+     * @return array
+     */
+    function getACL() {
+
+        // The top-level ACL only contains access information for the true
+        // owner of the calendar, so we need to add the information for the
+        // sharee.
+        $acl = parent::getACL();
+        $acl[] = [
+            'privilege' => '{DAV:}read',
+            'principal' => $this->calendarInfo['principaluri'],
+            'protected' => true,
+        ];
+        if ($this->calendarInfo['{http://sabredav.org/ns}read-only']) {
+            $acl[] = [
+                'privilege' => '{DAV:}write-properties',
+                'principal' => $this->calendarInfo['principaluri'],
+                'protected' => true,
+            ];
+        } else {
+            $acl[] = [
+                'privilege' => '{DAV:}write',
+                'principal' => $this->calendarInfo['principaluri'],
+                'protected' => true,
+            ];
+        }
+        return $acl;
+
+    }
+
+    /**
+     * This method returns the ACL's for calendar objects in this calendar.
+     * The result of this method automatically gets passed to the
+     * calendar-object nodes in the calendar.
+     *
+     * @return array
+     */
+    function getChildACL() {
+
+        $acl = parent::getChildACL();
+        $acl[] = [
+            'privilege' => '{DAV:}read',
+            'principal' => $this->calendarInfo['principaluri'],
+            'protected' => true,
+        ];
+
+        if (!$this->calendarInfo['{http://sabredav.org/ns}read-only']) {
+            $acl[] = [
+                'privilege' => '{DAV:}write',
+                'principal' => $this->calendarInfo['principaluri'],
+                'protected' => true,
+            ];
+        }
+        return $acl;
+
+    }
+
+
+    /**
+     * Returns the list of people whom this calendar is shared with.
+     *
+     * Every element in this array should have the following properties:
+     *   * href - Often a mailto: address
+     *   * commonName - Optional, for example a first + last name
+     *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+     *   * readOnly - boolean
+     *   * summary - Optional, a description for the share
+     *
+     * @return array
+     */
+    function getShares() {
+
+        return $this->caldavBackend->getShares($this->calendarInfo['id']);
+
+    }
+
+}