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Merge branch 'MDL-64243' of https://github.com/Dagefoerde/moodle

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This commit is contained in:
Jake Dallimore 2019-04-04 10:41:42 +08:00
commit a26b34c97c
2 changed files with 39 additions and 4 deletions
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21
repository/nextcloud/classes/access_controlled_link_manager.php
View File

@ -26,6 +26,7 @@ namespace repository_nextcloud;
use context;
use \core\oauth2\api;
use \core\notification;
use repository_exception;
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir . '/webdavlib.php');
@ -453,4 +454,24 @@ class access_controlled_link_manager{
'filetarget' => (string) $validfile->file_target
];
}
/**
* Download a file from the system account for the purpose of offline usage.
* @param string $srcpath Name of a file owned by the system account
* @param string $targetpath Temporary filename in Moodle
* @throws repository_exception The download was unsuccessful, maybe the file does not exist.
*/
public function download_for_offline_usage(string $srcpath, string $targetpath): void {
$this->systemwebdavclient->open();
$webdavendpoint = issuer_management::parse_endpoint_url('webdav', $this->issuer);
$srcpath = ltrim($srcpath, '/');
$sourcepath = $webdavendpoint['path'] . $srcpath;
// Write file into temp location.
if (!$this->systemwebdavclient->get_file($sourcepath, $targetpath)) {
$this->systemwebdavclient->close();
throw new repository_exception('cannotdownload', 'repository');
}
$this->systemwebdavclient->close();
}
}

22
repository/nextcloud/lib.php
View File

@ -427,11 +427,25 @@ class repository_nextcloud extends repository {
throw new \repository_nextcloud\request_exception(array('instance' => $repositoryname, 'errormessage' => $details));
}
// Download for offline usage. This is strictly read-only, so the file need not be shared.
if (!empty($options['offline'])) {
// Download from system account and provide the file to the user.
$linkmanager = new \repository_nextcloud\access_controlled_link_manager($this->ocsclient,
$this->get_system_oauth_client(), $this->get_system_ocs_client(), $this->issuer, $repositoryname);
// Create temp path, then download into it.
$filename = basename($reference->link);
$tmppath = make_request_directory() . '/' . $filename;
$linkmanager->download_for_offline_usage($reference->link, $tmppath);
// Output the obtained file to the user and remove it from disk.
send_temp_file($tmppath, $filename);
// That's all.
return;
}
if (!$this->client->is_logged_in()) {
if (!empty($options['offline'])) {
// Right now, we can't download referenced files for offline if the client is not authenticated.
send_file_not_found(); // Use this function because it enforces a 404 error.
}
$this->print_login_popup(['style' => 'margin-top: 250px'], $options['embed']);
return;
}