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https://github.com/EGroupware/egroupware.git
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first step for new file-sharing feature
This commit is contained in:
Ralf Becker
parent
450225f145
commit
223455b7aa
113
phpgwapi/inc/class.egw_sharing.inc.php
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113
phpgwapi/inc/class.egw_sharing.inc.php
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@ -0,0 +1,113 @@
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<?php
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/**
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* EGroupware API: VFS sharing
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*
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* @link http://www.egroupware.org
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @author Ralf Becker <rb@stylite.de>
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* @copyright (c) 2014 by Ralf Becker <rb@stylite.de>
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* @version $Id$
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*/
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/**
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* VFS sharing
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*
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* Token generation uses openssl_random_pseudo_bytes, if available, otherwise
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* mt_rand based auth::randomstring is used.
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*/
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class egw_sharing
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{
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/**
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* Length of base64 encoded token (real length is only 3/4 of it)
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*/
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const TOKEN_LENGTH = 64;
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/**
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* Name of table used for storing tokens
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*/
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const TABLE = 'egw_sharing';
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/**
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* Reference to global db object
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*
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* @var egw_db
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*/
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protected $db;
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/**
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* Constructor
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*/
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public function __construct()
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{
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$this->db = $GLOBALS['egw']->db;
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}
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/**
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* Server a request on a share specified in REQUEST_URI
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*/
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public function ServeRequest()
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{
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// WebDAV has no concept of a query string and clients (including cadaver)
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// seem to pass '?' unencoded, so we need to extract the path info out
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// of the request URI ourselves
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// if request URI contains a full url, remove schema and domain
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$matches = null;
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if (preg_match('|^https?://[^/]+(/.*)$|', $path_info=$_SERVER['REQUEST_URI'], $matches))
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{
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$path_info = $matches[1];
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}
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$path_info = substr($path_info, strlen($_SERVER['SCRIPT_NAME']));
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list(, $token/*, $path*/) = explode('/', $path_info, 3);
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if (empty($token) || !($share = $this->db->select(self::TABLE, '*', array(
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'share_token' => $token,
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'(share_expires IS NULL OR share_expires > '.$this->db->quote(time(), 'date').')',
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), __LINE__, __FILE__)->fetch()))
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{
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sleep(1);
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$status = '404 Not Found';
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header("HTTP/1.1 $status");
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header("X-WebDAV-Status: $status", true);
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echo "Requested resource '".htmlspecialchars($path_info)."' does NOT exist!\n";
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common::egw_exit();
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}
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$share['resolve_url'] = egw_vfs::resolve_url($share['share_path']);
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//_debug_array($share);
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// arrange vfs to only contain shared url
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egw_vfs::$is_root = true;
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if (!egw_vfs::mount($share['resolve_url'], '/', false, false, true))
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{
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sleep(1);
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$status = '404 Not Found';
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header("HTTP/1.1 $status");
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header("X-WebDAV-Status: $status", true);
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echo "Requested resource '".htmlspecialchars($path_info)."' does NOT exist!\n";
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common::egw_exit();
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}
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egw_vfs::$is_root = false;
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egw_vfs::$user = $GLOBALS['egw_info']['user']['account_id'] = $share['share_owner'];
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egw_vfs::clearstatcache();
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// ToDo: password and write protection
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//$GLOBALS['egw']->session->commit_session();
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$webdav_server = new vfs_webdav_server();
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$webdav_server->ServeRequest('/'.$token);
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}
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/**
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* Generate a new token
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*
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* @return string
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*/
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public static function token()
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{
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// generate random token (using oppenssl if available otherwise mt_rand based auth::randomstring)
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$token = function_exists('openssl_random_pseudo_bytes') ?
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base64_encode(openssl_random_pseudo_bytes(3*self::TOKEN_LENGTH/4)) :
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auth::randomstring(self::TOKEN_LENGTH);
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return $token;
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}
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}
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@ -304,9 +304,10 @@ class egw_vfs extends vfs_stream_wrapper
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* @param boolean $check_url=null check if url is an existing directory, before mounting it
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* default null only checks if url does not contain a $ as used in $user or $pass
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* @param boolean $persitent_mount=true create a persitent mount, or only a temprary for current request
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* @param boolean $clear_fstab =false true clear current fstab, false (default) only add given mount
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* @return array|boolean array with fstab, if called without parameter or true on successful mount
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*/
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static function mount($url=null,$path=null,$check_url=null,$persitent_mount=true)
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static function mount($url=null,$path=null,$check_url=null,$persitent_mount=true,$clear_fstab=false)
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{
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if (is_null($check_url)) $check_url = strpos($url,'$') === false;
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@ -329,6 +330,10 @@ class egw_vfs extends vfs_stream_wrapper
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if (self::LOG_LEVEL > 0) error_log(__METHOD__.'('.array2string($url).','.array2string($path).') permission denied, you are NOT root!');
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return false; // only root can mount
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}
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if ($clear_fstab)
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{
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self::$fstab = array();
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}
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if (isset(self::$fstab[$path]) && self::$fstab[$path] === $url)
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{
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if (self::LOG_LEVEL > 0) error_log(__METHOD__.'('.array2string($url).','.array2string($path).') already mounted.');
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@ -12,7 +12,7 @@
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/* Basic information about this app */
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$setup_info['phpgwapi']['name'] = 'phpgwapi';
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$setup_info['phpgwapi']['title'] = 'EGroupware API';
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$setup_info['phpgwapi']['version'] = '14.1';
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$setup_info['phpgwapi']['version'] = '14.1.900';
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$setup_info['phpgwapi']['versions']['current_header'] = '1.29';
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$setup_info['phpgwapi']['enable'] = 3;
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$setup_info['phpgwapi']['app_order'] = 1;
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@ -49,6 +49,7 @@ $setup_info['phpgwapi']['tables'][] = 'egw_cat2entry';
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$setup_info['phpgwapi']['tables'][] = 'egw_locks';
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$setup_info['phpgwapi']['tables'][] = 'egw_sqlfs_props';
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$setup_info['phpgwapi']['tables'][] = 'egw_customfields';
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$setup_info['phpgwapi']['tables'][] = 'egw_sharing';
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// hooks used by vfs_home_hooks to manage user- and group-directories for the new stream based VFS
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$setup_info['phpgwapi']['hooks']['addaccount'] = 'phpgwapi.vfs_home_hooks.addAccount';
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@ -78,3 +79,4 @@ $setup_info['groupdav']['author'] = $setup_info['groupdav']['maintainer'] = arra
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$setup_info['groupdav']['license'] = 'GPL';
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$setup_info['groupdav']['hooks']['preferences'] = 'groupdav_hooks::menus';
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$setup_info['groupdav']['hooks']['settings'] = 'groupdav_hooks::settings';
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@ -450,5 +450,23 @@ $phpgw_baseline = array(
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'fk' => array(),
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'ix' => array(array('cf_app','cf_order')),
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'uc' => array(array('cf_app','cf_name'))
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),
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'egw_sharing' => array(
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'fd' => array(
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'share_id' => array('type' => 'auto','nullable' => False,'comment' => 'auto-id'),
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'share_token' => array('type' => 'varchar','precision' => '64','nullable' => False,'comment' => 'secure token'),
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'share_path' => array('type' => 'varchar','precision' => '255','nullable' => False,'comment' => 'path to share'),
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'share_owner' => array('type' => 'int','meta' => 'user','precision' => '4','nullable' => False,'comment' => 'owner of share'),
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'share_expires' => array('type' => 'date','comment' => 'expire date of share'),
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'share_writable' => array('type' => 'int','precision' => '1','nullable' => False,'default' => '0','comment' => '0=readable, 1=writable'),
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'share_with' => array('type' => 'varchar','precision' => '4096','comment' => 'email addresses, comma seperated'),
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'share_passwd' => array('type' => 'varchar','precision' => '128','comment' => 'optional password-hash'),
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'share_created' => array('type' => 'timestamp','nullable' => False,'comment' => 'creation date'),
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'share_last_accessed' => array('type' => 'timestamp','comment' => 'last access of share')
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),
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'pk' => array('share_id'),
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'fk' => array(),
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'ix' => array(),
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'uc' => array('share_token')
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)
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);
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@ -21,3 +21,28 @@ include('tables_update_1_2.inc.php');
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include('tables_update_1_4.inc.php');
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include('tables_update_1_6.inc.php');
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include('tables_update_1_8.inc.php');
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function phpgwapi_upgrade14_1()
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{
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$GLOBALS['egw_setup']->oProc->CreateTable('egw_sharing',array(
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'fd' => array(
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'share_id' => array('type' => 'auto','nullable' => False,'comment' => 'auto-id'),
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'share_token' => array('type' => 'varchar','precision' => '64','nullable' => False,'comment' => 'secure token'),
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'share_path' => array('type' => 'varchar','precision' => '255','nullable' => False,'comment' => 'path to share'),
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'share_owner' => array('type' => 'int','meta' => 'user','precision' => '4','nullable' => False,'comment' => 'owner of share'),
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'share_expires' => array('type' => 'date','comment' => 'expire date of share'),
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'share_writable' => array('type' => 'int','precision' => '1','nullable' => False,'default' => '0','comment' => '0=readable, 1=writable'),
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'share_with' => array('type' => 'varchar','precision' => '4096','comment' => 'email addresses, comma seperated'),
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'share_passwd' => array('type' => 'varchar','precision' => '128','comment' => 'optional password-hash'),
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'share_created' => array('type' => 'timestamp','nullable' => False,'comment' => 'creation date'),
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'share_last_accessed' => array('type' => 'timestamp','comment' => 'last access of share')
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),
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'pk' => array('share_id'),
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'fk' => array(),
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'ix' => array(),
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'uc' => array('share_token')
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));
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return $GLOBALS['setup_info']['phpgwapi']['currentver'] = '14.1.900';
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}
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25
share.php
Normal file
25
share.php
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@ -0,0 +1,25 @@
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<?php
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/**
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* EGroupware API: VFS sharing
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*
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* @link http://www.egroupware.org
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @author Ralf Becker <rb@stylite.de>
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* @copyright (c) 2014 by Ralf Becker <rb@stylite.de>
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* @version $Id$
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*/
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$GLOBALS['egw_info'] = array(
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'flags' => array(
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'disable_Template_class' => True,
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'noheader' => True,
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'currentapp' => 'login',
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'no_exception_handler' => 'basic_auth', // we use a basic auth exception handler (sends exception message as basic auth realm)
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)
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);
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include('./header.inc.php');
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$sharing = new egw_sharing();
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$sharing->ServeRequest();
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