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https://github.com/EGroupware/egroupware.git
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5cbbbb7d29
2) fixed problem I came across while debuging: $p->fake_full_name --> $p->fake_full_path 3) some improvement dont set empty mime_type
1416 lines
39 KiB
PHP
1416 lines
39 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - VFS base class *
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* This file written by Jason Wies (Zone) <zone@phpgroupware.org> *
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* This class handles file/dir access for eGroupWare *
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* Copyright (C) 2001 Jason Wies *
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* -------------------------------------------------------------------------*
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* This library is part of the eGroupWare API *
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* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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if (empty ($GLOBALS['egw_info']['server']['file_repository']))
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{
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$GLOBALS['egw_info']['server']['file_repository'] = 'sql';
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}
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/* Relative defines. Used mainly by getabsolutepath () */
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define ('RELATIVE_ROOT', 1);
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define ('RELATIVE_USER', 2);
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define ('RELATIVE_CURR_USER', 4);
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define ('RELATIVE_USER_APP', 8);
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define ('RELATIVE_PATH', 16);
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define ('RELATIVE_NONE', 32);
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define ('RELATIVE_CURRENT', 64);
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define ('VFS_REAL', 1024);
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define ('RELATIVE_ALL', RELATIVE_PATH);
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/* These are used in calls to add_journal (), and allow journal messages to be more standard */
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define ('VFS_OPERATION_CREATED', 1);
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define ('VFS_OPERATION_EDITED', 2);
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define ('VFS_OPERATION_EDITED_COMMENT', 4);
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define ('VFS_OPERATION_COPIED', 8);
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define ('VFS_OPERATION_MOVED', 16);
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define ('VFS_OPERATION_DELETED', 32);
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/**
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* * helper class for path_parts
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* *
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*/
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class path_class
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{
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var $mask;
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var $outside;
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var $fake_full_path;
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var $fake_leading_dirs;
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var $fake_extra_path;
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var $fake_name;
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var $real_full_path;
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var $real_leading_dirs;
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var $real_extra_path;
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var $real_name;
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var $fake_full_path_clean;
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var $fake_leading_dirs_clean;
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var $fake_extra_path_clean;
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var $fake_name_clean;
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var $real_full_path_clean;
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var $real_leading_dirs_clean;
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var $real_extra_path_clean;
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var $real_name_clean;
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}
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/**
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* * Base class for Virtual File System classes
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* *
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* * @author Zone
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*/
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class vfs_shared
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{
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/*
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* All VFS classes must have some form of 'linked directories'.
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* Linked directories allow an otherwise disparate "real" directory
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* to be linked into the "virtual" filesystem. See make_link().
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*/
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var $linked_dirs = array ();
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/*
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* All VFS classes need to support the access control in some form
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* (see acl_check()). There are times when applications will need
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* to explictly disable access checking, for example when creating a
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* user's home directory for the first time or when the admin is
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* performing maintanence. When override_acl is set, any access
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* checks must return True.
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*/
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var $override_acl = 0;
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/*
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* The current relativity. See set_relative() and get_relative().
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*/
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var $relative;
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/*
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* Implementation dependant 'base real directory'. It is not required
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* that derived classes use $basedir, but some of the shared functions
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* below rely on it, so those functions will need to be overload if
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* basedir isn't appropriate for a particular backend.
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*/
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var $basedir;
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/*
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* Fake base directory. Only the administrator should change this.
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*/
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var $fakebase = '/home';
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/*
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* All derived classes must store certain information about each
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* location. The attributes in the 'attributes' array represent
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* the minimum attributes that must be stored. Derived classes
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* should add to this array any custom attributes.
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*
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* Not all of the attributes below are appropriate for all backends.
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* Those that don't apply can be replaced by dummy values, ie. '' or 0.
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*/
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var $attributes = array(
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'file_id', /* Integer. Unique to each location */
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'owner_id', /* phpGW account_id of owner */
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'createdby_id', /* phpGW account_id of creator */
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'modifiedby_id',/* phpGW account_id of who last modified */
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'created', /* Datetime created, in SQL format */
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'modified', /* Datetime last modified, in SQL format */
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'size', /* Size in bytes */
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'mime_type', /* Mime type. 'Directory' for directories */
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'comment', /* User-supplied comment. Can be empty */
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'app', /* Name of phpGW application responsible for location */
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'directory', /* Directory location is in */
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'name', /* Name of file/directory */
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'link_directory', /* Directory location is linked to, if any */
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'link_name', /* Name location is linked to, if any */
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'version', /* Version of file. May be 0 */
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);
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/**
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* * constructor
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* *
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* * All derived classes should call this function in their
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* constructor ($this->vfs_shared())
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*/
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function vfs_shared ()
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{
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}
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/*
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* Definitions for functions that every derived
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* class must have, and suggestions for private functions
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* to completement the public ones. The prototypes for
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* the public functions need to be uniform for all
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* classes. Of course, each derived class should overload these
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* functions with their own version.
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*/
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/*
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* Journal functions.
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*
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* See also: VFS_OPERATION_* defines
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*
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* Overview:
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* Each action performed on a location
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* should be recorded, in both machine and human
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* readable format.
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*
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* PRIVATE functions (suggested examples only, not mandatory):
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*
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* add_journal - Add journal entry
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* flush_journal - Clear all journal entries for a location
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*
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* PUBLIC functions (mandatory):
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*
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* get_journal - Get journal entries for a location
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*/
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/* Private, suggestions only */
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function add_journal ($data) {}
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function flush_journal ($data) {}
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/**
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* * Get journal entries for a location
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * type [0|1|2]
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* 0 = any journal entries
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* 1 = current journal entries
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* 2 = deleted journal entries
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* * @return Array of arrays of journal entries
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* The keys will vary depending on the implementation,
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* with most attributes in this->attributes being valid,
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* and these keys being mandatory:
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* created - Datetime in SQL format that journal entry
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* was entered
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* comment - Human readable comment describing the action
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* version - May be 0 if the derived class does not support
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* versioning
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*/
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function get_journal ($data) { return array(array()); }
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/*
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* Access checking functions.
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*
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* Overview:
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* Each derived class should have some kind of
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* user and group access control. This will
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* usually be based directly on the ACL class.
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*
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* If $this->override_acl is set, acl_check()
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* must always return True.
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*
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* PUBLIC functions (mandatory):
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*
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* acl_check() - Check access for a user to a given
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*/
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/**
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* * Check access for a user to a given location
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* *
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* * If $this->override_acl is set, always return True
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * operation Operation to check access for. Any combination
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* of the EGW_ACL_* defines, for example:
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* EGW_ACL_READ
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* EGW_ACL_READ|EGW_ACL_WRITE
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* * owner_id phpGW ID to check access for.
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* * Default: $GLOBALS['egw_info']['user']['account_id']
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* * must_exist If set, string must exist, and acl_check() must
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* return False if it doesn't. If must_exist isn't
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* passed, and string doesn't exist, check the owner_id's
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* access to the parent directory, if it exists.
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* * @return Boolean. True if access is ok, False otherwise.
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*/
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function acl_check ($data) { return True; }
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/*
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* Operations functions.
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*
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* Overview:
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* These functions perform basic file operations.
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*
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* PUBLIC functions (mandatory):
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*
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* read - Retreive file contents
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*
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* write - Store file contents
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*
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* touch - Create a file if it doesn't exist.
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* Optionally, update the modified time and
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* modified user if the file exists.
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*
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* cp - Copy location
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*
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* mv - Move location
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*
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* rm - Delete location
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*
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* mkdir - Create directory
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*/
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/**
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* * Retreive file contents
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * @return String. Contents of 'string', or False on error.
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*/
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function read ($data) { return False; }
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/**
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* Views the specified file (does not return!)
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*
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* @param string filename
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* @param relatives Relativity array
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* @return None (doesnt return)
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* By default this function just reads the file and
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* outputs it too the browser, after setting the content-type header
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* appropriately. For some other VFS implementations though, there
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* may be some more sensible way of viewing the file.
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*/
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function view($data)
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{
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$default_values = array
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(
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'relatives' => array (RELATIVE_CURRENT)
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);
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$data = array_merge ($this->default_values ($data, $default_values), $data);
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$GLOBALS['egw_info']['flags']['noheader'] = true;
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$GLOBALS['egw_info']['flags']['nonavbar'] = true;
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$GLOBALS['egw_info']['flags']['noappheader'] = true;
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$GLOBALS['egw_info']['flags']['noappfooter'] = true;
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$ls_array = $this->ls (array (
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'string' => $data['string'],
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'relatives' => $data['relatives'],
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'checksubdirs' => False,
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'nofiles' => True
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)
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);
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if ($ls_array[0]['mime_type'])
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{
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$mime_type = $ls_array[0]['mime_type'];
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}
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elseif ($GLOBALS['settings']['viewtextplain'])
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{
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$mime_type = 'text/plain';
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}
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header('Content-type: ' . $mime_type);
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echo $this->read (array (
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'string' => $data['string'],
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'relatives' => $data['relatives'],
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)
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);
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exit();
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}
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/**
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* * Store file contents
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * @return Boolean. True on success, False otherwise.
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*/
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function write ($data) { return False; }
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/**
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* * Create a file if it doesn't exist.
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* *
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* Optionally, update the modified time and
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* modified user if the file exists.
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * @return Boolean. True on success, False otherwise.
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*/
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function touch ($data) { return False; }
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/**
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* * Copy location
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* *
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* * from Path to location to copy from
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* * to Path to location to copy to
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* * relatives Relativity array (default: RELATIVE_CURRENT, RELATIVE_CURRENT)
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* * @return Boolean. True on success, False otherwise.
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*/
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function cp ($data) { return False; }
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/**
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* * Move location
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* *
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* * from Path to location to move from
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* * to Path to location to move to
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* * relatives Relativity array (default: RELATIVE_CURRENT, RELATIVE_CURRENT)
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* * @return Boolean. True on success, False otherwise.
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*/
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function mv ($data) { return False; }
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/**
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* * Delete location
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * @return Boolean. True on success, False otherwise.
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*/
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function rm ($data) { return False; }
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/**
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* * Create directory
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * @return Boolean. True on success, False otherwise.
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*/
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function mkdir ($data) { return False; }
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/*
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* Information functions.
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*
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* Overview:
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* These functions set or return information about locations.
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*
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* PUBLIC functions (mandatory):
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*
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* set_attributes - Set attributes for a location
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*
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* file_exists - Check if a location (file or directory) exists
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*
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* get_size - Determine size of location
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*
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* ls - Return detailed information for location(s)
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*/
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/**
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* * Set attributes for a location
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* *
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* * Valid attributes are listed in vfs->attributes,
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* which may be extended by each derived class
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * attributes Keyed array of attributes. Key is attribute
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* name, value is attribute value.
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* * @return Boolean. True on success, False otherwise.
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*/
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function set_attributes ($data) { return False; }
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/**
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* * Check if a location (file or directory) exists
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * @return Boolean. True if file exists, False otherwise.
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*/
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function file_exists ($data) { return False; }
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/**
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* * Determine size of location
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * checksubdirs Boolean. If set, include the size of
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* all subdirectories recursively.
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* * @return Integer. Size of location in bytes.
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*/
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function get_size ($data) { return 0; }
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/**
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* * Return detailed information for location(s)
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* *
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
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* * checksubdirs Boolean. If set, return information for all
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* subdirectories recursively.
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* * mime String. Only return information for locations with MIME type
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* specified. VFS classes must recogize these special types:
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* "Directory" - Location is a directory
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* " " - Location doesn't not have a MIME type
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* * nofiles Boolean. If set and 'string' is a directory, return
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* information about the directory, not the files in it.
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* * @return Array of arrays of file information.
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* Keys may vary depending on the implementation, but must include
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* at least those attributes listed in $this->attributes.
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*/
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function ls ($data) { return array(array()); }
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/*
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* Linked directory functions.
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|
*
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* Overview:
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* One 'special' feature that VFS classes must support
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* is linking an otherwise unrelated 'real' directory into
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* the virtual filesystem. For a traditional filesystem, this
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|
* might mean linking /var/specialdir in the real filesystem to
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* /home/user/specialdir in the VFS. For networked filesystems,
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|
* this might mean linking 'another.host.com/dir' to
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* 'this.host.com/home/user/somedir'.
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*
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|
* This is a feature that will be used mostly be administrators,
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* in order to present a consistent view to users. Each VFS class
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|
* will almost certainly need a new interface for the administrator
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* to use to make links, but the concept is the same across all the
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|
* VFS backends.
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|
*
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|
* Note that by using $this->linked_dirs in conjunction with
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* $this->path_parts(), you can keep the implementation of linked
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|
* directories very isolated in your code.
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|
*
|
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* PUBLIC functions (mandatory):
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|
*
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* make_link - Create a real to virtual directory link
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|
*/
|
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|
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/**
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* * Create a real to virtual directory link
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|
* *
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|
* * rdir Real directory to make link from/to
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|
* * vdir Virtual directory to make link to/from
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|
* * relatives Relativity array (default: RELATIVE_CURRENT, RELATIVE_CURRENT)
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|
* * @return Boolean. True on success, False otherwise.
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*/
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function make_link ($data) { return False; }
|
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|
|
/*
|
|
* Miscellaneous functions.
|
|
*
|
|
* PUBLIC functions (mandatory):
|
|
*
|
|
* update_real - Ensure that information about a location is
|
|
* up-to-date
|
|
*
|
|
* compress - Archives a file or set of files in a compressed file
|
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*
|
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* extract - Dearchives a file or set of files of a compressed file
|
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*/
|
|
|
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/**
|
|
* * Ensure that information about a location is up-to-date
|
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* *
|
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* * Some VFS backends store information about locations
|
|
* in a secondary location, for example in a database
|
|
* or in a cache file. update_real() can be called to
|
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* ensure that the information in the secondary location
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* is up-to-date.
|
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* * string Path to location
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* * relatives Relativity array (default: RELATIVE_CURRENT)
|
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* * @return Boolean. True on success, False otherwise.
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*/
|
|
function update_real ($data) { return False; }
|
|
|
|
/**
|
|
* * Creates an archive from a file or a set of files
|
|
* *
|
|
* * files File names to be stored in archive (array)
|
|
* * name Name of archive
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|
* * type The type of compression, can be 'zip'(default)or 'gz'
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|
* * relatives Relativity array (default: RELATIVE_CURRENT)
|
|
* * Note: the last item is the relativity of the dest archive
|
|
* * @return Boolean. True on success, False otherwise.
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|
*/
|
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|
|
function compress ($data) { return False; }
|
|
|
|
/**
|
|
* * Extracts a file (or files) from archive
|
|
* *
|
|
* * name Name of archive
|
|
* * dest The destination path of files to be extracted
|
|
* * type The type of compression, can be 'zip' or 'gz'. If
|
|
* * not specified, uses according to the extension
|
|
* * files Files to be extracted from archive
|
|
* * relatives Relativity array (default: RELATIVE_CURRENT)
|
|
* * Note: the first item is the relativity of the archive, the last of
|
|
* * the dest dir
|
|
* * @return Boolean. True on success, False otherwise.
|
|
*/
|
|
|
|
function extract ($data) { return False; }
|
|
|
|
|
|
|
|
/*
|
|
* SHARED FUNCTIONS
|
|
*
|
|
* The rest of the functions in this file are shared between
|
|
* all derived VFS classes.
|
|
*
|
|
* Derived classes can overload any of these functions if they
|
|
* see it fit to do so, as long as the prototypes and return
|
|
* values are the same for public functions, and the function
|
|
* accomplishes the same goal.
|
|
*
|
|
* PRIVATE functions:
|
|
*
|
|
* securitycheck - Check if location string is ok to use in VFS functions
|
|
*
|
|
* sanitize - Remove any possible security problems from a location
|
|
* string (i.e. remove leading '..')
|
|
*
|
|
* clean_string - Clean location string. This function is used if
|
|
* any special characters need to be escaped or removed
|
|
* before accessing a database, network protocol, etc.
|
|
* The default is to escape characters before doing an SQL
|
|
* query.
|
|
*
|
|
* getabsolutepath - Translate a location string depending on the
|
|
* relativity. This is the only function that is
|
|
* directly concerned with relativity.
|
|
*
|
|
* get_ext_mime_type - Return MIME type based on file extension
|
|
*
|
|
* PUBLIC functions (mandatory):
|
|
*
|
|
* set_relative - Sets the current relativity, the relativity used
|
|
* when RELATIVE_CURRENT is passed to a function
|
|
*
|
|
* get_relative - Return the current relativity
|
|
*
|
|
* path_parts - Return information about the component parts of a location string
|
|
*
|
|
* cd - Change current directory. This function is used to store the
|
|
* current directory in a standard way, so that it may be accessed
|
|
* throughout phpGroupWare to provide a consistent view for the user.
|
|
*
|
|
* pwd - Return current directory
|
|
*
|
|
* copy - Alias for cp
|
|
*
|
|
* move - Alias for mv
|
|
*
|
|
* delete - Alias for rm
|
|
*
|
|
* dir - Alias for ls
|
|
*
|
|
* command_line - Process and run a Unix-sytle command line
|
|
*
|
|
* compress - Archives a file or set of files in a compressed file
|
|
*
|
|
* extract - Dearchives a file or set of files of a compressed file
|
|
*/
|
|
|
|
/* PRIVATE functions */
|
|
|
|
/**
|
|
* * Check if location string is ok to use in VFS functions
|
|
* *
|
|
* * Checks for basic violations such as ..
|
|
* If securitycheck () fails, run your string through $this->sanitize ()
|
|
* * string Path to location
|
|
* * @return Boolean. True if string is ok, False otherwise.
|
|
*/
|
|
function securitycheck ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
if (substr ($data['string'], 0, 1) == "\\" || strstr ($data['string'], "..") || strstr ($data['string'], "\\..") || strstr ($data['string'], ".\\."))
|
|
{
|
|
return False;
|
|
}
|
|
else
|
|
{
|
|
return True;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* * Remove any possible security problems from a location
|
|
* *
|
|
* string (i.e. remove leading '..')
|
|
* * You should not pass all filenames through sanitize ()
|
|
* unless you plan on rejecting .files. Instead, pass
|
|
* the name through securitycheck () first, and if it fails,
|
|
* pass it through sanitize.
|
|
* * string Path to location
|
|
* * @return String. 'string' with any security problems fixed.
|
|
*/
|
|
function sanitize ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
/* We use path_parts () just to parse the string, not translate paths */
|
|
$p = $this->path_parts (array(
|
|
'string' => $data['string'],
|
|
'relatives' => array (RELATIVE_NONE)
|
|
)
|
|
);
|
|
|
|
return (ereg_replace ("^\.+", '', $p->fake_name));
|
|
}
|
|
|
|
/**
|
|
* * Clean location string. This function is used if
|
|
* *
|
|
* any special characters need to be escaped or removed
|
|
* before accessing a database, network protocol, etc.
|
|
* The default is to escape characters before doing an SQL
|
|
* query.
|
|
* * string Location string to clean
|
|
* * @return String. Cleaned version of 'string'.
|
|
*/
|
|
function clean_string ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
$string = $GLOBALS['egw']->db->db_addslashes ($data['string']);
|
|
|
|
return $string;
|
|
}
|
|
|
|
/**
|
|
* * Translate a location string depending on the
|
|
* *
|
|
* relativity. This is the only function that is
|
|
* directly concerned with relativity.
|
|
* * string Path to location, relative to mask[0].
|
|
* * Defaults to empty string.
|
|
* * mask Relativity array (default: RELATIVE_CURRENT)
|
|
* * fake Boolean. If set, returns the 'fake' path,
|
|
* i.e. /home/user/dir/file. This is not always
|
|
* possible, use path_parts() instead.
|
|
* * @return String. Full fake or real path, or False on error.
|
|
*/
|
|
function getabsolutepath ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
$default_values = array
|
|
(
|
|
'string' => False,
|
|
'mask' => array (RELATIVE_CURRENT),
|
|
'fake' => True
|
|
);
|
|
|
|
$data = array_merge ($this->default_values ($data, $default_values), $data);
|
|
|
|
$currentdir = $this->pwd (False);
|
|
|
|
/* If they supply just VFS_REAL, we assume they want current relativity */
|
|
if ($data['mask'][0] == VFS_REAL)
|
|
{
|
|
$data['mask'][0] |= RELATIVE_CURRENT;
|
|
}
|
|
|
|
if (!$this->securitycheck (array(
|
|
'string' => $data['string']
|
|
))
|
|
)
|
|
{
|
|
return False;
|
|
}
|
|
|
|
if ($data['mask'][0] & RELATIVE_NONE)
|
|
{
|
|
return $data['string'];
|
|
}
|
|
|
|
if ($data['fake'])
|
|
{
|
|
$sep = '/';
|
|
}
|
|
else
|
|
{
|
|
$sep = SEP;
|
|
}
|
|
|
|
/* if RELATIVE_CURRENT, retrieve the current mask */
|
|
if ($data['mask'][0] & RELATIVE_CURRENT)
|
|
{
|
|
$mask = $data['mask'][0];
|
|
/* Respect any additional masks by re-adding them after retrieving the current mask*/
|
|
$data['mask'][0] = $this->get_relative () + ($mask - RELATIVE_CURRENT);
|
|
}
|
|
|
|
if ($data['fake'])
|
|
{
|
|
$basedir = "/";
|
|
}
|
|
else
|
|
{
|
|
$basedir = $this->basedir . $sep;
|
|
|
|
/* This allows all requests to use /'s */
|
|
$data['string'] = preg_replace ("|/|", $sep, $data['string']);
|
|
}
|
|
|
|
if (($data['mask'][0] & RELATIVE_PATH) && $currentdir)
|
|
{
|
|
$basedir = $basedir . $currentdir . $sep;
|
|
}
|
|
elseif (($data['mask'][0] & RELATIVE_USER) || ($data['mask'][0] & RELATIVE_USER_APP))
|
|
{
|
|
$basedir = $basedir . $this->fakebase . $sep;
|
|
}
|
|
|
|
if ($data['mask'][0] & RELATIVE_CURR_USER)
|
|
{
|
|
$basedir = $basedir . $this->working_lid . $sep;
|
|
}
|
|
|
|
if (($data['mask'][0] & RELATIVE_USER) || ($data['mask'][0] & RELATIVE_USER_APP))
|
|
{
|
|
$basedir = $basedir . $GLOBALS['egw_info']['user']['account_lid'] . $sep;
|
|
}
|
|
|
|
if ($data['mask'][0] & RELATIVE_USER_APP)
|
|
{
|
|
$basedir = $basedir . "." . $GLOBALS['egw_info']['flags']['currentapp'] . $sep;
|
|
}
|
|
|
|
/* Don't add string if it's a /, just for aesthetics */
|
|
if ($data['string'] && $data['string'] != $sep)
|
|
{
|
|
$basedir = $basedir . $data['string'];
|
|
}
|
|
|
|
/* Let's not return // */
|
|
while (ereg ($sep . $sep, $basedir))
|
|
{
|
|
$basedir = ereg_replace ($sep . $sep, $sep, $basedir);
|
|
}
|
|
|
|
$basedir = ereg_replace ($sep . '$', '', $basedir);
|
|
|
|
return $basedir;
|
|
}
|
|
|
|
/**
|
|
* * Return MIME type based on file extension
|
|
* *
|
|
* * Internal use only. Applications should call vfs->file_type ()
|
|
* * @author skeeter
|
|
* * string Real path to file, with or without leading paths
|
|
* * @return String. MIME type based on file extension.
|
|
*/
|
|
function get_ext_mime_type ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
$file=basename($data['string']);
|
|
$mimefile=EGW_API_INC.'/phpgw_mime.types';
|
|
$fp=fopen($mimefile,'r');
|
|
$contents = explode("\n",fread($fp,filesize($mimefile)));
|
|
fclose($fp);
|
|
|
|
$parts=explode('.',strtolower($file));
|
|
$ext=$parts[(sizeof($parts)-1)];
|
|
|
|
for($i=0;$i<sizeof($contents);$i++)
|
|
{
|
|
if (!ereg("^#",$contents[$i]))
|
|
{
|
|
$line=split("[[:space:]]+", $contents[$i]);
|
|
if (sizeof($line) >= 2)
|
|
{
|
|
for($j=1;$j<sizeof($line);$j++)
|
|
{
|
|
if($line[$j] == $ext)
|
|
{
|
|
return $line[0];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/* PUBLIC functions (mandatory) */
|
|
|
|
/**
|
|
* * Sets the current relativity, the relativity used
|
|
* *
|
|
* when RELATIVE_CURRENT is passed to a function
|
|
* * mask Relative bitmask. If not set, relativity
|
|
* will be returned to the default.
|
|
* * @return Void
|
|
*/
|
|
function set_relative ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
if (!$data['mask'])
|
|
{
|
|
unset ($this->relative);
|
|
}
|
|
else
|
|
{
|
|
$this->relative = $data['mask'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* * Return the current relativity
|
|
* *
|
|
* * Returns relativity bitmask, or the default
|
|
* of "completely relative" if unset
|
|
* * @return Integer. One of the RELATIVE_* defines.
|
|
*/
|
|
function get_relative ()
|
|
{
|
|
if (isset ($this->relative) && $this->relative)
|
|
{
|
|
return $this->relative;
|
|
}
|
|
else
|
|
{
|
|
return RELATIVE_ALL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* * Return information about the component parts of a location string
|
|
* *
|
|
* * Most VFS functions call path_parts() with their 'string' and
|
|
* 'relatives' arguments before doing their work, in order to
|
|
* determine the file/directory to work on.
|
|
* * string Path to location
|
|
* * relatives Relativity array (default: RELATIVE_CURRENT)
|
|
* * object If set, return an object instead of an array
|
|
* * nolinks Don't check for linked directories (made with
|
|
* make_link()). Used internally to prevent recursion.
|
|
* * @return Array or object. Contains the fake and real component parts of the path.
|
|
* * Returned values are:
|
|
* mask
|
|
* outside
|
|
* fake_full_path
|
|
* fake_leading_dirs
|
|
* fake_extra_path BROKEN
|
|
* fake_name
|
|
* real_full_path
|
|
* real_leading_dirs
|
|
* real_extra_path BROKEN
|
|
* real_name
|
|
* fake_full_path_clean
|
|
* fake_leading_dirs_clean
|
|
* fake_extra_path_clean BROKEN
|
|
* fake_name_clean
|
|
* real_full_path_clean
|
|
* real_leading_dirs_clean
|
|
* real_extra_path_clean BROKEN
|
|
* real_name_clean
|
|
* "clean" values are run through vfs->clean_string () and
|
|
* are safe for use in SQL queries that use key='value'
|
|
* They should be used ONLY for SQL queries, so are used
|
|
* mostly internally
|
|
* mask is either RELATIVE_NONE or RELATIVE_NONE|VFS_REAL,
|
|
* and is used internally
|
|
* outside is boolean, True if 'relatives' contains VFS_REAL
|
|
*/
|
|
function path_parts ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
$default_values = array
|
|
(
|
|
'relatives' => array (RELATIVE_CURRENT),
|
|
'object' => True,
|
|
'nolinks' => False
|
|
);
|
|
|
|
$data = array_merge ($this->default_values ($data, $default_values), $data);
|
|
|
|
$sep = SEP;
|
|
|
|
$rarray['mask'] = RELATIVE_NONE;
|
|
|
|
if (!($data['relatives'][0] & VFS_REAL))
|
|
{
|
|
$rarray['outside'] = False;
|
|
$fake = True;
|
|
}
|
|
else
|
|
{
|
|
$rarray['outside'] = True;
|
|
$rarray['mask'] |= VFS_REAL;
|
|
}
|
|
|
|
$string = $this->getabsolutepath (array(
|
|
'string' => $data['string'],
|
|
'mask' => array ($data['relatives'][0]),
|
|
'fake' => $fake
|
|
)
|
|
);
|
|
|
|
if ($fake)
|
|
{
|
|
$base_sep = '/';
|
|
$base = '/';
|
|
|
|
$opp_base = $this->basedir . $sep;
|
|
|
|
$rarray['fake_full_path'] = $string;
|
|
}
|
|
else
|
|
{
|
|
$base_sep = $sep;
|
|
if (substr($string,0,strlen($this->basedir)+1) == $this->basedir . $sep)
|
|
{
|
|
$base = $this->basedir . $sep;
|
|
}
|
|
else
|
|
{
|
|
$base = $sep;
|
|
}
|
|
|
|
$opp_base = '/';
|
|
|
|
$rarray['real_full_path'] = $string;
|
|
}
|
|
|
|
/* This is needed because of substr's handling of negative lengths */
|
|
$baselen = strlen ($base);
|
|
$lastslashpos = @strrpos ($string, $base_sep);
|
|
$length = $lastslashpos < $baselen ? 0 : $lastslashpos - $baselen;
|
|
|
|
$extra_path = $rarray['fake_extra_path'] = $rarray['real_extra_path'] = substr ($string, strlen ($base), $length);
|
|
if($string[1] != ':')
|
|
{
|
|
$name = $rarray['fake_name'] = $rarray['real_name'] = substr ($string, @strrpos ($string, $base_sep) + 1);
|
|
}
|
|
else
|
|
{
|
|
$name = $rarray['fake_name'] = $rarray['real_name'] = $string;
|
|
}
|
|
|
|
if ($fake)
|
|
{
|
|
$rarray['real_extra_path'] ? $dispsep = $sep : $dispsep = '';
|
|
$rarray['real_full_path'] = $opp_base . $rarray['real_extra_path'] . $dispsep . $rarray['real_name'];
|
|
if ($extra_path)
|
|
{
|
|
$rarray['fake_leading_dirs'] = $base . $extra_path;
|
|
$rarray['real_leading_dirs'] = $opp_base . $extra_path;
|
|
}
|
|
elseif (@strrpos ($rarray['fake_full_path'], $sep) == 0)
|
|
{
|
|
/* If there is only one $sep in the path, we don't want to strip it off */
|
|
$rarray['fake_leading_dirs'] = $sep;
|
|
$rarray['real_leading_dirs'] = substr ($opp_base, 0, strlen ($opp_base) - 1);
|
|
}
|
|
else
|
|
{
|
|
/* These strip the ending / */
|
|
$rarray['fake_leading_dirs'] = substr ($base, 0, strlen ($base) - 1);
|
|
$rarray['real_leading_dirs'] = substr ($opp_base, 0, strlen ($opp_base) - 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if($rarray['fake_name'][1] != ':')
|
|
{
|
|
$rarray['fake_full_path'] = $opp_base . $rarray['fake_extra_path'] . '/' . $rarray['fake_name'];
|
|
}
|
|
else
|
|
{
|
|
$rarray['fake_full_path'] = $rarray['fake_name'];
|
|
}
|
|
if ($extra_path)
|
|
{
|
|
$rarray['fake_leading_dirs'] = $opp_base . $extra_path;
|
|
$rarray['real_leading_dirs'] = $base . $extra_path;
|
|
}
|
|
else
|
|
{
|
|
$rarray['fake_leading_dirs'] = substr ($opp_base, 0, strlen ($opp_base) - 1);
|
|
$rarray['real_leading_dirs'] = substr ($base, 0, strlen ($base) - 1);
|
|
}
|
|
}
|
|
|
|
/* We check for linked dirs made with make_link (). This could be better, but it works */
|
|
if (!$data['nolinks'])
|
|
{
|
|
reset ($this->linked_dirs);
|
|
while (list ($num, $link_info) = each ($this->linked_dirs))
|
|
{
|
|
if (ereg ("^$link_info[directory]/$link_info[name](/|$)", $rarray['fake_full_path']))
|
|
{
|
|
$rarray['real_full_path'] = ereg_replace ("^$this->basedir", '', $rarray['real_full_path']);
|
|
$rarray['real_full_path'] = ereg_replace ("^$link_info[directory]" . SEP . "$link_info[name]", $link_info['link_directory'] . SEP . $link_info['link_name'], $rarray['real_full_path']);
|
|
|
|
$p = $this->path_parts (array(
|
|
'string' => $rarray['real_full_path'],
|
|
'relatives' => array (RELATIVE_NONE|VFS_REAL),
|
|
'nolinks' => True
|
|
)
|
|
);
|
|
|
|
$rarray['real_leading_dirs'] = $p->real_leading_dirs;
|
|
$rarray['real_extra_path'] = $p->real_extra_path;
|
|
$rarray['real_name'] = $p->real_name;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
We have to count it before because new keys will be added,
|
|
which would create an endless loop
|
|
*/
|
|
$count = count ($rarray);
|
|
reset ($rarray);
|
|
for ($i = 0; (list ($key, $value) = each ($rarray)) && $i != $count; $i++)
|
|
{
|
|
$rarray[$key . '_clean'] = $this->clean_string (array ('string' => $value));
|
|
}
|
|
|
|
if ($data['object'])
|
|
{
|
|
$robject =& new path_class;
|
|
|
|
reset ($rarray);
|
|
while (list ($key, $value) = each ($rarray))
|
|
{
|
|
$robject->$key = $value;
|
|
}
|
|
}
|
|
|
|
/*
|
|
echo "<br>fake_full_path: $rarray[fake_full_path]
|
|
<br>fake_leading_dirs: $rarray[fake_leading_dirs]
|
|
<br>fake_extra_path: $rarray[fake_extra_path]
|
|
<br>fake_name: $rarray[fake_name]
|
|
<br>real_full_path: $rarray[real_full_path]
|
|
<br>real_leading_dirs: $rarray[real_leading_dirs]
|
|
<br>real_extra_path: $rarray[real_extra_path]
|
|
<br>real_name: $rarray[real_name]";
|
|
*/
|
|
|
|
if ($data['object'])
|
|
{
|
|
return ($robject);
|
|
}
|
|
else
|
|
{
|
|
return ($rarray);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* * Change current directory. This function is used to store the
|
|
* *
|
|
* current directory in a standard way, so that it may be accessed
|
|
* throughout phpGroupWare to provide a consistent view for the user.
|
|
* * To cd to the root '/', use:
|
|
* cd (array(
|
|
* 'string' => '/',
|
|
* 'relative' => False,
|
|
* 'relatives' => array (RELATIVE_NONE)
|
|
* ));
|
|
* * string Directory location to cd into. Default is '/'.
|
|
* * relative If set, add target to current path.
|
|
* Else, pass 'relative' as mask to getabsolutepath()
|
|
* Default is True.
|
|
* * relatives Relativity array (default: RELATIVE_CURRENT)
|
|
*/
|
|
function cd ($data = '')
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$noargs = 1;
|
|
$data = array ();
|
|
}
|
|
|
|
$default_values = array
|
|
(
|
|
'string' => '/',
|
|
'relative' => True,
|
|
'relatives' => array (RELATIVE_CURRENT)
|
|
);
|
|
|
|
$data = array_merge ($this->default_values ($data, $default_values), $data);
|
|
|
|
if ($data['relatives'][0] & VFS_REAL)
|
|
{
|
|
$sep = SEP;
|
|
}
|
|
else
|
|
{
|
|
$sep = '/';
|
|
}
|
|
|
|
if ($data['relative'] == 'relative' || $data['relative'] == True)
|
|
{
|
|
/* if 'string' is "/" and 'relative' is set, we cd to the user/group home dir */
|
|
if ($data['string'] == '/')
|
|
{
|
|
$data['relatives'][0] = RELATIVE_USER;
|
|
$basedir = $this->getabsolutepath (array(
|
|
'string' => False,
|
|
'mask' => array ($data['relatives'][0]),
|
|
'fake' => True
|
|
)
|
|
);
|
|
}
|
|
else
|
|
{
|
|
$currentdir = $GLOBALS['egw']->session->appsession('vfs','');
|
|
$basedir = $this->getabsolutepath (array(
|
|
'string' => $currentdir . $sep . $data['string'],
|
|
'mask' => array ($data['relatives'][0]),
|
|
'fake' => True
|
|
)
|
|
);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$basedir = $this->getabsolutepath (array(
|
|
'string' => $data['string'],
|
|
'mask' => array ($data['relatives'][0])
|
|
)
|
|
);
|
|
}
|
|
|
|
$GLOBALS['egw']->session->appsession('vfs','',$basedir);
|
|
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* * Return current directory
|
|
* *
|
|
* * full If set, return full fake path, else just
|
|
* the extra dirs (False strips the leading /).
|
|
* Default is True.
|
|
* * @return String. The current directory.
|
|
*/
|
|
function pwd ($data = '')
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
$default_values = array
|
|
(
|
|
'full' => True
|
|
);
|
|
|
|
$data = array_merge ($this->default_values ($data, $default_values), $data);
|
|
|
|
$currentdir = $GLOBALS['egw']->session->appsession('vfs','');
|
|
|
|
if (!$data['full'])
|
|
{
|
|
$currentdir = ereg_replace ("^/", '', $currentdir);
|
|
}
|
|
|
|
if ($currentdir == '' && $data['full'])
|
|
{
|
|
$currentdir = '/';
|
|
}
|
|
|
|
$currentdir = trim ($currentdir);
|
|
|
|
return $currentdir;
|
|
}
|
|
|
|
/**
|
|
* * shortcut to cp
|
|
* *
|
|
*/
|
|
function copy ($data)
|
|
{
|
|
return $this->cp ($data);
|
|
}
|
|
|
|
/**
|
|
* * shortcut to mv
|
|
* *
|
|
*/
|
|
function move ($data)
|
|
{
|
|
return $this->mv ($data);
|
|
}
|
|
|
|
/**
|
|
* * shortcut to rm
|
|
* *
|
|
*/
|
|
function delete ($data)
|
|
{
|
|
return $this->rm ($data);
|
|
}
|
|
|
|
/**
|
|
* * shortcut to ls
|
|
* *
|
|
*/
|
|
function dir ($data)
|
|
{
|
|
return $this->ls ($data);
|
|
}
|
|
|
|
/**
|
|
* * Process and run a Unix-sytle command line
|
|
* *
|
|
* * EXPERIMENTAL. DANGEROUS. DO NOT USE THIS UNLESS YOU
|
|
* KNOW WHAT YOU'RE DOING!
|
|
* * This is mostly working, but the command parser needs
|
|
* to be improved to take files with spaces into
|
|
* consideration (those should be in "").
|
|
* * command_line Unix-style command line with one of the
|
|
* commands in the $args array
|
|
* * @return The return value of the actual VFS call
|
|
*/
|
|
function command_line ($data)
|
|
{
|
|
if (!is_array ($data))
|
|
{
|
|
$data = array ();
|
|
}
|
|
|
|
$args = array
|
|
(
|
|
array ('name' => 'mv', 'params' => 2),
|
|
array ('name' => 'cp', 'params' => 2),
|
|
array ('name' => 'rm', 'params' => 1),
|
|
array ('name' => 'ls', 'params' => -1),
|
|
array ('name' => 'du', 'params' => 1, 'func' => get_size),
|
|
array ('name' => 'cd', 'params' => 1),
|
|
array ('name' => 'pwd', 'params' => 0),
|
|
array ('name' => 'cat', 'params' => 1, 'func' => read),
|
|
array ('name' => 'file', 'params' => 1, 'func' => file_type),
|
|
array ('name' => 'mkdir', 'params' => 1),
|
|
array ('name' => 'touch', 'params' => 1)
|
|
);
|
|
|
|
if (!$first_space = strpos ($data['command_line'], ' '))
|
|
{
|
|
$first_space = strlen ($data['command_line']);
|
|
}
|
|
if ((!$last_space = strrpos ($data['command_line'], ' ')) || ($last_space == $first_space))
|
|
{
|
|
$last_space = strlen ($data['command_line']) + 1;
|
|
}
|
|
$argv[0] = substr ($data['command_line'], 0, $first_space);
|
|
if (strlen ($argv[0]) != strlen ($data['command_line']))
|
|
{
|
|
$argv[1] = substr ($data['command_line'], $first_space + 1, $last_space - ($first_space + 1));
|
|
if ((strlen ($argv[0]) + 1 + strlen ($argv[1])) != strlen ($data['command_line']))
|
|
{
|
|
$argv[2] = substr ($data['command_line'], $last_space + 1);
|
|
}
|
|
}
|
|
$argc = count ($argv);
|
|
|
|
reset ($args);
|
|
while (list (,$arg_info) = each ($args))
|
|
{
|
|
if ($arg_info['name'] == $argv[0])
|
|
{
|
|
$command_ok = 1;
|
|
if (($argc == ($arg_info['params'] + 1)) || ($arg_info['params'] == -1))
|
|
{
|
|
$param_count_ok = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!$command_ok)
|
|
{
|
|
// return E_VFS_BAD_COMMAND;
|
|
return False;
|
|
}
|
|
if (!$param_count_ok)
|
|
{
|
|
// return E_VFS_BAD_PARAM_COUNT;
|
|
return False;
|
|
}
|
|
|
|
for ($i = 1; $i != ($arg_info['params'] + 1); $i++)
|
|
{
|
|
if (substr ($argv[$i], 0, 1) == "/")
|
|
{
|
|
$relatives[] = RELATIVE_NONE;
|
|
}
|
|
else
|
|
{
|
|
$relatives[] = RELATIVE_ALL;
|
|
}
|
|
}
|
|
|
|
$func = $arg_info['func'] ? $arg_info['func'] : $arg_info['name'];
|
|
|
|
if (!$argv[2])
|
|
{
|
|
$rv = $this->$func (array(
|
|
'string' => $argv[1],
|
|
'relatives' => $relatives
|
|
)
|
|
);
|
|
}
|
|
else
|
|
{
|
|
$rv = $this->$func (array(
|
|
'from' => $argv[1],
|
|
'to' => $argv[2],
|
|
'relatives' => $relatives
|
|
)
|
|
);
|
|
}
|
|
|
|
return ($rv);
|
|
}
|
|
|
|
/* Helper functions, not public */
|
|
|
|
function default_values ($data, $default_values)
|
|
{
|
|
for ($i = 0; list ($key, $value) = each ($default_values); $i++)
|
|
{
|
|
if (!isset ($data[$key]))
|
|
{
|
|
$data[$key] = $value;
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
}
|
|
|
|
include (EGW_API_INC . '/class.vfs_' . $GLOBALS['egw_info']['server']['file_repository'] . '.inc.php');
|