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Prevent from a fatal error when DAV connection fails

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This commit is contained in:
Aleksander Machniak 2022-10-18 11:18:01 +02:00
parent 3c44d7f768
commit 685370e309
1 changed files with 39 additions and 0 deletions
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39
plugins/libkolab/lib/kolab_dav_client.php
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@ -116,6 +116,10 @@ class kolab_dav_client
/**
* Discover DAV folders of specified type on the server
*
* @param string $component Component to filter by (VEVENT, VTODO, VCARD)
*
* @return false|array List of folders' metadata or False on error
*/
public function discover($component = 'VEVENT')
{
@ -137,6 +141,10 @@ class kolab_dav_client
// Note: Cyrus CardDAV service requires Depth:1 (CalDAV works without it)
$response = $this->request('/' . $roots[$component], 'PROPFIND', $body, ['Depth' => 1, 'Prefer' => 'return-minimal']);
if (empty($response)) {
return false;
}
$elements = $response->getElementsByTagName('response');
foreach ($elements as $element) {
@ -171,6 +179,10 @@ class kolab_dav_client
$response = $this->request($principal_href, 'PROPFIND', $body);
if (empty($response)) {
return false;
}
$elements = $response->getElementsByTagName('response');
foreach ($elements as $element) {
@ -234,6 +246,12 @@ class kolab_dav_client
/**
* Create a DAV object in a folder
*
* @param string $location Object location
* @param string $content Object content
* @param string $component Content type (VEVENT, VTODO, VCARD)
*
* @return false|string|null ETag string (or NULL) on success, False on error
*/
public function create($location, $content, $component = 'VEVENT')
{
@ -262,6 +280,12 @@ class kolab_dav_client
/**
* Update a DAV object in a folder
*
* @param string $location Object location
* @param string $content Object content
* @param string $component Content type (VEVENT, VTODO, VCARD)
*
* @return false|string|null ETag string (or NULL) on success, False on error
*/
public function update($location, $content, $component = 'VEVENT')
{
@ -270,6 +294,10 @@ class kolab_dav_client
/**
* Delete a DAV object from a folder
*
* @param string $location Object location
*
* @return bool True on success, False on error
*/
public function delete($location)
{
@ -280,6 +308,11 @@ class kolab_dav_client
/**
* Fetch DAV objects metadata (ETag, href) a folder
*
* @param string $location Folder location
* @param string $component Object type (VEVENT, VTODO, VCARD)
*
* @return false|array Objects metadata on success, False on error
*/
public function getIndex($location, $component = 'VEVENT')
{
@ -327,6 +360,12 @@ class kolab_dav_client
/**
* Fetch DAV objects data from a folder
*
* @param string $location Folder location
* @param string $component Object type (VEVENT, VTODO, VCARD)
* @param array $hrefs List of objects' locations to fetch (empty for all objects)
*
* @return false|array Objects metadata on success, False on error
*/
public function getData($location, $component = 'VEVENT', $hrefs = [])
{