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

1 files changed, 433 insertions, 0 deletions

diff --git a/vendor/sabre/dav/lib/CardDAV/AddressBook.php b/vendor/sabre/dav/lib/CardDAV/AddressBook.php
new file mode 100644
index 000000000..70bec8760
--- /dev/null
+++ b/vendor/sabre/dav/lib/CardDAV/AddressBook.php
@@ -0,0 +1,433 @@
+<?php
+
+namespace Sabre\CardDAV;
+
+use Sabre\DAV;
+use Sabre\DAVACL;
+
+/**
+ * The AddressBook class represents a CardDAV addressbook, owned by a specific user
+ *
+ * The AddressBook can contain multiple vcards
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class AddressBook extends DAV\Collection implements IAddressBook, DAV\IProperties, DAVACL\IACL, DAV\Sync\ISyncCollection, DAV\IMultiGet {
+
+    /**
+     * This is an array with addressbook information
+     *
+     * @var array
+     */
+    protected $addressBookInfo;
+
+    /**
+     * CardDAV backend
+     *
+     * @var Backend\BackendInterface
+     */
+    protected $carddavBackend;
+
+    /**
+     * Constructor
+     *
+     * @param Backend\BackendInterface $carddavBackend
+     * @param array $addressBookInfo
+     */
+    function __construct(Backend\BackendInterface $carddavBackend, array $addressBookInfo) {
+
+        $this->carddavBackend = $carddavBackend;
+        $this->addressBookInfo = $addressBookInfo;
+
+    }
+
+    /**
+     * Returns the name of the addressbook
+     *
+     * @return string
+     */
+    function getName() {
+
+        return $this->addressBookInfo['uri'];
+
+    }
+
+    /**
+     * Returns a card
+     *
+     * @param string $name
+     * @return \ICard
+     */
+    function getChild($name) {
+
+        $obj = $this->carddavBackend->getCard($this->addressBookInfo['id'], $name);
+        if (!$obj) throw new DAV\Exception\NotFound('Card not found');
+        return new Card($this->carddavBackend, $this->addressBookInfo, $obj);
+
+    }
+
+    /**
+     * Returns the full list of cards
+     *
+     * @return array
+     */
+    function getChildren() {
+
+        $objs = $this->carddavBackend->getCards($this->addressBookInfo['id']);
+        $children = [];
+        foreach ($objs as $obj) {
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new Card($this->carddavBackend, $this->addressBookInfo, $obj);
+        }
+        return $children;
+
+    }
+
+    /**
+     * This method receives a list of paths in it's first argument.
+     * It must return an array with Node objects.
+     *
+     * If any children are not found, you do not have to return them.
+     *
+     * @param string[] $paths
+     * @return array
+     */
+    function getMultipleChildren(array $paths) {
+
+        $objs = $this->carddavBackend->getMultipleCards($this->addressBookInfo['id'], $paths);
+        $children = [];
+        foreach ($objs as $obj) {
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new Card($this->carddavBackend, $this->addressBookInfo, $obj);
+        }
+        return $children;
+
+    }
+
+    /**
+     * Creates a new directory
+     *
+     * We actually block this, as subdirectories are not allowed in addressbooks.
+     *
+     * @param string $name
+     * @return void
+     */
+    function createDirectory($name) {
+
+        throw new DAV\Exception\MethodNotAllowed('Creating collections in addressbooks is not allowed');
+
+    }
+
+    /**
+     * Creates a new file
+     *
+     * The contents of the new file must be a valid VCARD.
+     *
+     * This method may return an ETag.
+     *
+     * @param string $name
+     * @param resource $vcardData
+     * @return string|null
+     */
+    function createFile($name, $vcardData = null) {
+
+        if (is_resource($vcardData)) {
+            $vcardData = stream_get_contents($vcardData);
+        }
+        // Converting to UTF-8, if needed
+        $vcardData = DAV\StringUtil::ensureUTF8($vcardData);
+
+        return $this->carddavBackend->createCard($this->addressBookInfo['id'], $name, $vcardData);
+
+    }
+
+    /**
+     * Deletes the entire addressbook.
+     *
+     * @return void
+     */
+    function delete() {
+
+        $this->carddavBackend->deleteAddressBook($this->addressBookInfo['id']);
+
+    }
+
+    /**
+     * Renames the addressbook
+     *
+     * @param string $newName
+     * @return void
+     */
+    function setName($newName) {
+
+        throw new DAV\Exception\MethodNotAllowed('Renaming addressbooks is not yet supported');
+
+    }
+
+    /**
+     * Returns the last modification date as a unix timestamp.
+     *
+     * @return void
+     */
+    function getLastModified() {
+
+        return null;
+
+    }
+
+    /**
+     * Updates properties on this node.
+     *
+     * This method received a PropPatch object, which contains all the
+     * information about the update.
+     *
+     * To update specific properties, call the 'handle' method on this object.
+     * Read the PropPatch documentation for more information.
+     *
+     * @param DAV\PropPatch $propPatch
+     * @return void
+     */
+    function propPatch(DAV\PropPatch $propPatch) {
+
+        return $this->carddavBackend->updateAddressBook($this->addressBookInfo['id'], $propPatch);
+
+    }
+
+    /**
+     * Returns a list of properties for this nodes.
+     *
+     * The properties list is a list of propertynames the client requested,
+     * encoded in clark-notation {xmlnamespace}tagname
+     *
+     * If the array is empty, it means 'all properties' were requested.
+     *
+     * @param array $properties
+     * @return array
+     */
+    function getProperties($properties) {
+
+        $response = [];
+        foreach ($properties as $propertyName) {
+
+            if (isset($this->addressBookInfo[$propertyName])) {
+
+                $response[$propertyName] = $this->addressBookInfo[$propertyName];
+
+            }
+
+        }
+
+        return $response;
+
+    }
+
+    /**
+     * 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->addressBookInfo['principaluri'];
+
+    }
+
+    /**
+     * Returns a group principal
+     *
+     * This must be a url to a principal, or null if there's no owner
+     *
+     * @return string|null
+     */
+    function getGroup() {
+
+        return null;
+
+    }
+
+    /**
+     * 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() {
+
+        return [
+            [
+                'privilege' => '{DAV:}read',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ],
+            [
+                'privilege' => '{DAV:}write',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ],
+
+        ];
+
+    }
+
+    /**
+     * This method returns the ACL's for card nodes in this address book.
+     * The result of this method automatically gets passed to the
+     * card nodes in this address book.
+     *
+     * @return array
+     */
+    function getChildACL() {
+
+        return [
+            [
+                'privilege' => '{DAV:}read',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ],
+            [
+                'privilege' => '{DAV:}write',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ],
+        ];
+
+    }
+
+    /**
+     * Updates the ACL
+     *
+     * This method will receive a list of new ACE's.
+     *
+     * @param array $acl
+     * @return void
+     */
+    function setACL(array $acl) {
+
+        throw new DAV\Exception\MethodNotAllowed('Changing ACL is not yet supported');
+
+    }
+
+    /**
+     * Returns the list of supported privileges for this node.
+     *
+     * The returned data structure is a list of nested privileges.
+     * See Sabre\DAVACL\Plugin::getDefaultSupportedPrivilegeSet for a simple
+     * standard structure.
+     *
+     * If null is returned from this method, the default privilege set is used,
+     * which is fine for most common usecases.
+     *
+     * @return array|null
+     */
+    function getSupportedPrivilegeSet() {
+
+        return null;
+
+    }
+
+    /**
+     * This method returns the current sync-token for this collection.
+     * This can be any string.
+     *
+     * If null is returned from this function, the plugin assumes there's no
+     * sync information available.
+     *
+     * @return string|null
+     */
+    function getSyncToken() {
+
+        if (
+            $this->carddavBackend instanceof Backend\SyncSupport &&
+            isset($this->addressBookInfo['{DAV:}sync-token'])
+        ) {
+            return $this->addressBookInfo['{DAV:}sync-token'];
+        }
+        if (
+            $this->carddavBackend instanceof Backend\SyncSupport &&
+            isset($this->addressBookInfo['{http://sabredav.org/ns}sync-token'])
+        ) {
+            return $this->addressBookInfo['{http://sabredav.org/ns}sync-token'];
+        }
+
+    }
+
+    /**
+     * The getChanges method returns all the changes that have happened, since
+     * the specified syncToken and the current collection.
+     *
+     * This function should return an array, such as the following:
+     *
+     * [
+     *   'syncToken' => 'The current synctoken',
+     *   'added'   => [
+     *      'new.txt',
+     *   ],
+     *   'modified'   => [
+     *      'modified.txt',
+     *   ],
+     *   'deleted' => [
+     *      'foo.php.bak',
+     *      'old.txt'
+     *   ]
+     * ];
+     *
+     * The syncToken property should reflect the *current* syncToken of the
+     * collection, as reported getSyncToken(). This is needed here too, to
+     * ensure the operation is atomic.
+     *
+     * If the syncToken is specified as null, this is an initial sync, and all
+     * members should be reported.
+     *
+     * The modified property is an array of nodenames that have changed since
+     * the last token.
+     *
+     * The deleted property is an array with nodenames, that have been deleted
+     * from collection.
+     *
+     * The second argument is basically the 'depth' of the report. If it's 1,
+     * you only have to report changes that happened only directly in immediate
+     * descendants. If it's 2, it should also include changes from the nodes
+     * below the child collections. (grandchildren)
+     *
+     * The third (optional) argument allows a client to specify how many
+     * results should be returned at most. If the limit is not specified, it
+     * should be treated as infinite.
+     *
+     * If the limit (infinite or not) is higher than you're willing to return,
+     * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
+     *
+     * If the syncToken is expired (due to data cleanup) or unknown, you must
+     * return null.
+     *
+     * The limit is 'suggestive'. You are free to ignore it.
+     *
+     * @param string $syncToken
+     * @param int $syncLevel
+     * @param int $limit
+     * @return array
+     */
+    function getChanges($syncToken, $syncLevel, $limit = null) {
+
+        if (!$this->carddavBackend instanceof Backend\SyncSupport) {
+            return null;
+        }
+
+        return $this->carddavBackend->getChangesForAddressBook(
+            $this->addressBookInfo['id'],
+            $syncToken,
+            $syncLevel,
+            $limit
+        );
+
+    }
+}