egroupware/phpgwapi/inc/class.vfs_sql.inc.php

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<?php
/**************************************************************************\
* phpGroupWare API - VFS *
* This file written by Jason Wies (Zone) <zone@phpgroupware.org> *
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* This class handles file/dir access for phpGroupWare *
* Copyright (C) 2001 Jason Wies *
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* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
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/*!
@class vfs
@abstract Virtual File System
@description Authors: Zone
*/
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/* Relative defines. Used mainly by getabsolutepath () */
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define ('RELATIVE_ROOT', 1);
define ('RELATIVE_USER', 2);
define ('RELATIVE_CURR_USER', 4);
define ('RELATIVE_USER_APP', 8);
define ('RELATIVE_PATH', 16);
define ('RELATIVE_NONE', 32);
define ('RELATIVE_CURRENT', 64);
define ('VFS_REAL', 1024);
define ('RELATIVE_ALL', RELATIVE_PATH);
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/* These are used in calls to extra_sql () */
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define ('VFS_SQL_SELECT', 1);
define ('VFS_SQL_DELETE', 2);
define ('VFS_SQL_UPDATE', 4);
/* 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);
define ('VFS_OPERATION_EDITED', 2);
define ('VFS_OPERATION_EDITED_COMMENT', 4);
define ('VFS_OPERATION_COPIED', 8);
define ('VFS_OPERATION_MOVED', 16);
define ('VFS_OPERATION_DELETED', 32);
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/*!
@class path_class
@abstract helper class for path_parts
*/
class path_class
{
var $mask;
var $outside;
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var $fake_full_path;
var $fake_leading_dirs;
var $fake_extra_path;
var $fake_name;
var $real_full_path;
var $real_leading_dirs;
var $real_extra_path;
var $real_name;
var $fake_full_path_clean;
var $fake_leading_dirs_clean;
var $fake_extra_path_clean;
var $fake_name_clean;
var $real_full_path_clean;
var $real_leading_dirs_clean;
var $real_extra_path_clean;
var $real_name_clean;
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}
class vfs
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{
var $basedir;
var $fakebase;
var $relative;
var $working_id;
var $working_lid;
var $attributes;
var $override_acl;
var $linked_dirs;
var $meta_types;
var $now;
/*!
@function vfs
@abstract constructor, sets up variables
*/
function vfs ()
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{
$this->basedir = $GLOBALS['phpgw_info']['server']['files_dir'];
$this->fakebase = "/home";
$this->working_id = $GLOBALS['phpgw_info']['user']['account_id'];
$this->working_lid = $GLOBALS['phpgw']->accounts->id2name($this->working_id);
$this->now = date ('Y-m-d');
$this->override_acl = 0;
/*
File/dir attributes, each corresponding to a database field. Useful for use in loops
If an attribute was added to the table, add it here and possibly add it to
set_attributes ()
set_attributes now uses this array(). 07-Dec-01 skeeter
*/
$this->attributes = array(
'file_id',
'owner_id',
'createdby_id',
'modifiedby_id',
'created',
'modified',
'size',
'mime_type',
'deleteable',
'comment',
'app',
'directory',
'name',
'link_directory',
'link_name',
'version'
);
/*
These are stored in the MIME-type field and should normally be ignored.
Adding a type here will ensure it is normally ignored, but you will have to
explicitly add it to acl_check (), and to any other SELECT's in this file
*/
$this->meta_types = array ('journal', 'journal-deleted');
/* We store the linked directories in an array now, so we don't have to make the SQL call again */
$query = $GLOBALS['phpgw']->db->query ("SELECT directory, name, link_directory, link_name FROM phpgw_vfs WHERE link_directory != '' AND link_name != ''" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)));
$this->linked_dirs = array ();
while ($GLOBALS['phpgw']->db->next_record ())
{
$this->linked_dirs[] = $GLOBALS['phpgw']->db->Record;
}
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}
/*!
@function set_relative
@abstract Set path relativity
@param mask Relative bitmask (see RELATIVE_ defines)
*/
function set_relative ($data)
{
if (!is_array ($data))
{
$data = array ();
}
if (!$data['mask'])
{
unset ($this->relative);
}
else
{
$this->relative = $data['mask'];
}
}
/*!
@function get_relative
@abstract Return relativity bitmask
@discussion Returns relativity bitmask, or the default of "completely relative" if unset
*/
function get_relative ()
{
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if (isset ($this->relative) && $this->relative)
{
return $this->relative;
}
else
{
return RELATIVE_ALL;
}
}
/*!
@function sanitize
@abstract Removes leading .'s from 'string'
@discussion 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
@param string string to sanitize
@result $string 'string' without it's leading .'s
*/
function sanitize ($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 ("^\.+", '', $p->fake_name));
}
/*!
@function securitycheck
@abstract Security check function
@discussion Checks for basic violations such as ..
If securitycheck () fails, run your string through vfs->sanitize ()
@param string string to check security of
@result Boolean True/False. True means secure, False means insecure
*/
function securitycheck ($data)
{
if (!is_array ($data))
{
$data = array ();
}
if (substr ($data['string'], 0, 1) == "\\" || strstr ($data['string'], "..") || strstr ($data['string'], "\\..") || strstr ($data['string'], ".\\."))
{
return False;
}
else
{
return True;
}
}
/*!
@function db_clean
@abstract Clean 'string' for use in database queries
@param string String to clean
@result Cleaned version of 'string'
*/
function db_clean ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$string = ereg_replace ("'", "\'", $data['string']);
return $string;
}
/*!
@function extra_sql
@abstract Return extra SQL code that should be appended to certain queries
@param query_type The type of query to get extra SQL code for, in the form of a VFS_SQL define
@result Extra SQL code
*/
function extra_sql ($data)
{
if (!is_array ($data))
{
$data = array ('query_type' => VFS_SQL_SELECT);
}
if ($data['query_type'] == VFS_SQL_SELECT || $data['query_type'] == VFS_SQL_DELETE || $data['query_type'] = VFS_SQL_UPDATE)
{
$sql = ' AND ((';
reset ($this->meta_types);
while (list ($num, $type) = each ($this->meta_types))
{
if ($num)
$sql .= ' AND ';
$sql .= "mime_type != '$type'";
}
$sql .= ') OR mime_type IS NULL)';
}
return ($sql);
}
/*!
@function add_journal
@abstract Add a journal entry after (or before) completing an operation,
and increment the version number. This function should be used internally only
@discussion Note that state_one and state_two are ignored for some VFS_OPERATION's, for others
they are required. They are ignored for any "custom" operation
The two operations that require state_two:
operation state_two
VFS_OPERATION_COPIED fake_full_path of copied to
VFS_OPERATION_MOVED fake_full_path of moved to
If deleting, you must call add_journal () before you delete the entry from the database
@param string File or directory to add entry for
@param relatives Relativity array
@param operation The operation that was performed. Either a VFS_OPERATION define or
a non-integer descriptive text string
@param state_one The first "state" of the file or directory. Can be a file name, size,
location, whatever is appropriate for the specific operation
@param state_two The second "state" of the file or directory
@param incversion Boolean True/False. Increment the version for the file? Note that this is
handled automatically for the VFS_OPERATION defines.
i.e. VFS_OPERATION_EDITED would increment the version, VFS_OPERATION_COPIED
would not
@result Boolean True/False
*/
function add_journal ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'state_one' => False,
'state_two' => False,
'incversion' => True
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
$p = $this->path_parts (array ('string' => $data['string'], 'relatives' => array ($data['relatives'][0])));
/* We check that they have some sort of access to the file other than read */
if (!$this->acl_check (array ('string' => $p->fake_full_path, 'relatives' => array ($p->mask), 'operation' => PHPGW_ACL_WRITE)) &&
!$this->acl_check (array ('string' => $p->fake_full_path, 'relatives' => array ($p->mask), 'operation' => PHPGW_ACL_EDIT)) &&
!$this->acl_check (array ('string' => $p->fake_full_path, 'relatives' => array ($p->mask), 'operation' => PHPGW_ACL_DELETE)))
{
return False;
}
if (!$this->file_exists (array ('string' => $p->fake_full_path, 'relatives' => array ($p->mask))))
{
return False;
}
$ls_array = $this->ls (array (
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'checksubdirs' => False,
'mime_type' => False,
'nofiles' => True
)
);
$file_array = $ls_array[0];
$sql = 'INSERT INTO phpgw_vfs (';
$sql2 .= ' VALUES (';
for ($i = 0; list ($attribute, $value) = each ($file_array); $i++)
{
if ($attribute == 'file_id')
{
continue;
}
if ($attribute == 'owner_id')
{
$value = $account_id;
}
if ($attribute == 'created')
{
$value = $this->now;
}
if ($attribute == 'modified' && !$modified)
{
unset ($value);
}
if ($attribute == 'mime_type')
{
$value = 'journal';
}
if ($attribute == 'comment')
{
switch ($data['operation'])
{
case VFS_OPERATION_CREATED:
$value = 'Created';
$data['incversion'] = True;
break;
case VFS_OPERATION_EDITED:
$value = 'Edited';
$data['incversion'] = True;
break;
case VFS_OPERATION_EDITED_COMMENT:
$value = 'Edited comment';
$data['incversion'] = False;
break;
case VFS_OPERATION_COPIED:
if (!$data['state_one'])
{
$data['state_one'] = $p->fake_full_path;
}
if (!$data['state_two'])
{
return False;
}
$value = 'Copied '.$data['state_one'].' to '.$data['state_two'];
$data['incversion'] = False;
break;
case VFS_OPERATION_MOVED:
if (!$data['state_one'])
{
$data['state_one'] = $p->fake_full_path;
}
if (!$data['state_two'])
{
return False;
}
$value = 'Moved '.$data['state_one'].' to '.$data['state_two'];
$data['incversion'] = False;
break;
case VFS_OPERATION_DELETED:
$value = 'Deleted';
$data['incversion'] = False;
break;
default:
$value = $data['operation'];
break;
}
}
/*
Let's increment the version for the file itself. We keep the current
version when making the journal entry, because that was the version that
was operated on. The maximum numbers for each part in the version string:
none.99.9.9
*/
if ($attribute == 'version' && $data['incversion'])
{
$version_parts = split ("\.", $value);
$newnumofparts = $numofparts = count ($version_parts);
if ($version_parts[3] >= 9)
{
$version_parts[3] = 0;
$version_parts[2]++;
$version_parts_3_update = 1;
}
elseif (isset ($version_parts[3]))
{
$version_parts[3]++;
}
if ($version_parts[2] >= 9 && $version_parts[3] == 0 && $version_parts_3_update)
{
$version_parts[2] = 0;
$version_parts[1]++;
}
if ($version_parts[1] > 99)
{
$version_parts[1] = 0;
$version_parts[0]++;
}
for ($i = 0; $i < $newnumofparts; $i++)
{
if (!isset ($version_parts[$i]))
{
break;
}
if ($i)
{
$newversion .= '.';
}
$newversion .= $version_parts[$i];
}
$this->set_attributes (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'attributes' => array(
'version' => $newversion
)
)
);
}
if (isset ($value))
{
if ($i > 1)
{
$sql .= ', ';
$sql2 .= ', ';
}
$sql .= "$attribute";
$sql2 .= "'" . $this->db_clean (array ('string' => $value)) . "'";
}
}
$sql .= ')';
$sql2 .= ')';
$sql .= $sql2;
/*
These are some special situations where we need to flush the journal entries
or move the 'journal' entries to 'journal-deleted'. Kind of hackish, but they
provide a consistent feel to the system
*/
if ($data['operation'] == VFS_OPERATION_CREATED)
{
$flush_path = $p->fake_full_path;
$deleteall = True;
}
if ($data['operation'] == VFS_OPERATION_COPIED || $data['operation'] == VFS_OPERATION_MOVED)
{
$flush_path = $data['state_two'];
$deleteall = False;
}
if ($flush_path)
{
$flush_path_parts = $this->path_parts (array(
'string' => $flush_path,
'relatives' => array (RELATIVE_NONE)
)
);
$this->flush_journal (array(
'string' => $flush_path_parts->fake_full_path,
'relatives' => array ($flush_path_parts->mask),
'deleteall' => $deleteall
)
);
}
if ($data['operation'] == VFS_OPERATION_COPIED)
{
/*
We copy it going the other way as well, so both files show the operation.
The code is a bad hack to prevent recursion. Ideally it would use VFS_OPERATION_COPIED
*/
$this->add_journal (array(
'string' => $data['state_two'],
'relatives' => array (RELATIVE_NONE),
'operation' => 'Copied '.$data['state_one'].' to '.$data['state_two'],
'state_one' => NULL,
'state_two' => NULL,
'incversion' => False
)
);
}
if ($data['operation'] == VFS_OPERATION_MOVED)
{
$state_one_path_parts = $this->path_parts (array(
'string' => $data['state_one'],
'relatives' => array (RELATIVE_NONE)
)
);
$query = $GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET mime_type='journal-deleted' WHERE directory='".$state_one_path_parts->fake_leading_dirs_clean."' AND name='".$state_one_path_parts->fake_name_clean."' AND mime_type='journal'");
/*
We create the file in addition to logging the MOVED operation. This is an
advantage because we can now search for 'Create' to see when a file was created
*/
$this->add_journal (array(
'string' => $data['state_two'],
'relatives' => array (RELATIVE_NONE),
'operation' => VFS_OPERATION_CREATED
)
);
}
/* This is the SQL query we made for THIS request, remember that one? */
$query = $GLOBALS['phpgw']->db->query ($sql, __LINE__, __FILE__);
/*
If we were to add an option of whether to keep journal entries for deleted files
or not, it would go in the if here
*/
if ($data['operation'] == VFS_OPERATION_DELETED)
{
$query = $GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET mime_type='journal-deleted' WHERE directory='$p->fake_leading_dirs_clean' AND name='$p->fake_name_clean' AND mime_type='journal'");
}
return True;
}
/*!
@function flush_journal
@abstract Flush journal entries for $string. Used before adding $string
@discussion flush_journal () is an internal function and should be called from add_journal () only
@param string File/directory to flush journal entries of
@param relatives Realtivity array
@param deleteall Delete all types of journal entries, including the active Create entry.
Normally you only want to delete the Create entry when replacing the file
Note that this option does not effect $deleteonly
@param deletedonly Only flush 'journal-deleted' entries (created when $string was deleted)
@result Boolean True/False
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*/
function flush_journal ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'deleteall' => False,
'deletedonly' => False
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
$sql = "DELETE FROM phpgw_vfs WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'";
if (!$data['deleteall'])
{
$sql .= " AND (mime_type != 'journal' AND comment != 'Created')";
}
$sql .= " AND (mime_type='journal-deleted'";
if (!$data['deletedonly'])
{
$sql .= " OR mime_type='journal'";
}
$sql .= ")";
$query = $GLOBALS['phpgw']->db->query ($sql, __LINE__, __FILE__);
if ($query)
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{
return True;
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}
else
{
return False;
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}
}
/*!
@function get_journal
@abstract Retrieve journal entries for $string
@param string File/directory to retrieve journal entries of
@param relatives Relativity array
@param type 0/False = any, 1 = 'journal', 2 = 'journal-deleted'
@result Array of arrays of journal entries
*/
function get_journal ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'type' => False
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
)))
{
return False;
}
$sql = "SELECT * FROM phpgw_vfs WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'";
if ($data['type'] == 1)
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{
$sql .= " AND mime_type='journal'";
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}
elseif ($data['type'] == 2)
{
$sql .= " AND mime_type='journal-deleted'";
}
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else
{
$sql .= " AND (mime_type='journal' OR mime_type='journal-deleted')";
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}
$query = $GLOBALS['phpgw']->db->query ($sql, __LINE__, __FILE__);
while ($GLOBALS['phpgw']->db->next_record ())
{
$rarray[] = $GLOBALS['phpgw']->db->Record;
}
return $rarray;
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}
/*!
@function path_parts
@abstract take a real or fake pathname and return an array of its component parts
@param string full real or fake path
@param relatives Relativity array
@param object True returns an object instead of an array
@param nolinks Don't check for links (made with make_link ()). Used internally to prevent recursion
@result $rarray/$robject Array or object containing the fake and real component parts of the path
@discussion 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->db_clean () 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 ($data)
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{
if (!is_array ($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))
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{
$rarray['outside'] = False;
$fake = True;
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}
else
{
$rarray['outside'] = True;
$rarray['mask'] |= VFS_REAL;
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}
$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 = $sep;
if (ereg ("^$this->basedir" . $sep, $string))
{
$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);
$lastslashpos < $baselen ? $length = 0 : $length = $lastslashpos - $baselen;
$extra_path = $rarray['fake_extra_path'] = $rarray['real_extra_path'] = substr ($string, strlen ($base), $length);
$name = $rarray['fake_name'] = $rarray['real_name'] = substr ($string, strrpos ($string, $base_sep) + 1);
if ($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
{
$rarray['fake_full_path'] = $opp_base . $rarray['fake_extra_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++)
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{
$rarray[$key . '_clean'] = $this->db_clean (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);
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}
}
/*!
@function getabsolutepath
@abstract get the absolute path
@param string defaults to False, directory/file to get path of, relative to relatives[0]
@param mask Relativity bitmask (see RELATIVE_ defines). RELATIVE_CURRENT means use $this->relative
@param fake Returns the "fake" path, ie /home/user/dir/file (not always possible. use path_parts () instead)
@result $basedir Full fake or real path
*/
function getabsolutepath ($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['phpgw_info']['user']['account_lid'] . $sep;
}
if ($data['mask'][0] & RELATIVE_USER_APP)
{
$basedir = $basedir . "." . $GLOBALS['phpgw_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, $basedir);
}
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$basedir = ereg_replace ($sep . '$', '', $basedir);
return $basedir;
}
/*!
@function acl_check
@abstract Check ACL access to $file for $GLOBALS['phpgw_info']["user"]["account_id"];
@param string File to check access of
@param relatives Standard relativity array
@param operation Operation to check access to. In the form of a PHPGW_ACL defines bitmask. Default is read
@param must_exist Boolean. Set to True if 'string' must exist. Otherwise, we check the parent directory as well
@result Boolean. True if access is ok, False otherwise
*/
function acl_check ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'operation' => PHPGW_ACL_READ,
'must_exist' => False
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
/* Accommodate special situations */
if ($this->override_acl || $data['relatives'][0] == RELATIVE_USER_APP)
{
return True;
}
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
/* Temporary, until we get symlink type files set up */
if ($p->outside)
{
return True;
}
/* If the file doesn't exist, we get ownership from the parent directory */
if (!$this->file_exists (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
))
)
{
if ($data['must_exist'])
{
return False;
}
$data['string'] = $p->fake_leading_dirs;
$p2 = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($p->mask)
)
);
if (!$this->file_exists (array(
'string' => $data['string'],
'relatives' => array ($p->mask)
))
)
{
return False;
}
}
else
{
$p2 = $p;
}
/* Read access is always allowed here, but nothing else is */
if ($data['string'] == '/' || $data['string'] == $this->fakebase)
{
if ($data['operation'] == PHPGW_ACL_READ)
{
return True;
}
else
{
return False;
}
}
/*
We don't use ls () to get owner_id as we normally would,
because ls () calls acl_check (), which would create an infinite loop
*/
$query = $GLOBALS['phpgw']->db->query ("SELECT owner_id FROM phpgw_vfs WHERE directory='".$p2->fake_leading_dirs_clean."' AND name='".$p2->fake_name_clean."'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
$GLOBALS['phpgw']->db->next_record ();
$group_id = $GLOBALS['phpgw']->db->Record['owner_id'];
/* They always have access to their own files */
if ($group_id == $GLOBALS['phpgw_info']['user']['account_id'])
{
return True;
}
/* Check if they're in the group. If so, they have access */
$memberships = $GLOBALS['phpgw']->accounts->membership ($GLOBALS['phpgw_info']['user']['account_id']);
if (is_array ($memberships))
{
@reset ($memberships);
while (list ($num, $group_array) = @each ($memberships))
{
if ($group_id == $GLOBALS['phpgw']->accounts->name2id ($group_array['account_name']))
{
$group_ok = 1;
break;
}
}
}
if (!$group_id)
{
if (!$group_id = $this->account_id)
{
$group_id = 0;
}
}
$acl = CreateObject ('phpgwapi.acl', $group_id);
$acl->account_id = $group_id;
$acl->read_repository ();
$rights = $acl->get_rights ($account_id);
if ($rights & $data['operation'])
{
return True;
}
elseif (!$rights && $group_ok)
{
return True;
}
else
{
return False;
}
}
/*!
@function cd
@abstract Change directory
@discussion To cd to the files root '/', use cd ('/', False, array (RELATIVE_NONE));
@param string default '/'. directory to cd into. if "/" and $relative is True, uses "/home/<working_lid>";
@param relative default True/relative means add target to current path, else pass $relative as mask to getabsolutepath()
@param relatives Relativity array
*/
function cd ($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['phpgw']->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])
)
);
}
$GLOBALS['phpgw']->session->appsession('vfs','',$basedir);
return True;
}
/*!
@function pwd
@abstract current working dir
@param full default True returns full fake path, else just the extra dirs (false strips the leading /)
@result $currentdir currentdir
*/
function pwd ($data = '')
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'full' => True
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$currentdir = $GLOBALS['phpgw']->session->appsession('vfs','');
if (!$data['full'])
{
$currentdir = ereg_replace ("^/", '', $currentdir);
}
if ($currentdir == '' && $data['full'])
{
$currentdir = '/';
}
$currentdir = trim ($currentdir);
return $currentdir;
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}
/*!
@function read
@abstract return file contents
@param string filename
@param relatives Relativity array
@result $contents Contents of $file, or False if file cannot be read
*/
function read ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_READ
))
)
{
return False;
}
if ($fp = fopen ($p->real_full_path, 'rb'))
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{
$contents = fread ($fp, filesize ($p->real_full_path));
fclose ($fp);
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}
else
{
$contents = False;
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}
return $contents;
2001-05-25 05:34:24 +02:00
}
/*!
@function write
@abstract write to a file
@param string file name
@param relatives Relativity array
@param content content
@result Boolean True/False
*/
function write ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'content' => ''
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if ($this->file_exists (array (
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
))
)
{
$acl_operation = PHPGW_ACL_EDIT;
$journal_operation = VFS_OPERATION_EDITED;
}
else
{
$acl_operation = PHPGW_ACL_ADD;
}
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => $acl_operation
))
)
{
return False;
}
umask(000);
/*
If 'string' doesn't exist, touch () creates both the file and the database entry
If 'string' does exist, touch () sets the modification time and modified by
*/
$this->touch (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
)
);
if ($fp = fopen ($p->real_full_path, 'wb'))
{
fwrite ($fp, $data['content'], strlen ($data['content']));
fclose ($fp);
$this->set_attributes (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'attributes' => array ('size' => filesize ($p->real_full_path))
)
);
if ($journal_operation)
{
$this->add_journal (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => $journal_operation
)
);
}
return True;
}
else
{
return False;
}
}
/*!
@function touch
@abstract Create blank file $file or set the modification time and modified by of $file to current time and user
@param string File to touch or set modifies
@param relatives Relativity array
@result Boolean True/False
2001-05-25 05:34:24 +02:00
*/
function touch ($data)
2001-05-25 05:34:24 +02:00
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
$currentapp = $GLOBALS['phpgw_info']['flags']['currentapp'];
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
umask (000);
/*
PHP's touch function will automatically decide whether to
create the file or set the modification time
*/
$rr = @touch ($p->real_full_path);
if ($p->outside)
{
return $rr;
}
/* We, however, have to decide this ourselves */
if ($this->file_exists (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
))
)
{
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_EDIT
)))
{
return False;
}
$vr = $this->set_attributes (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'attributes' => array(
'modifiedby_id' => $account_id,
'modified' => $this->now
)
)
);
}
else
{
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_ADD
))
)
{
return False;
}
$query = $GLOBALS['phpgw']->db->query ("INSERT INTO phpgw_vfs (owner_id, directory, name) VALUES ($this->working_id, '$p->fake_leading_dirs_clean', '$p->fake_name_clean')", __LINE__, __FILE__);
$this->set_attributes(array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'attributes' => array (
'createdby_id' => $account_id,
'created' => $this->now,
'size' => 0,
'deleteable' => 'Y',
'app' => $currentapp
)
)
);
$this->correct_attributes (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
)
);
$this->add_journal (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => VFS_OPERATION_CREATED
)
);
}
if ($rr || $vr || $query)
{
return True;
}
else
{
return False;
}
2001-05-25 05:34:24 +02:00
}
/*!
@function cp
@abstract copy file
@param from from file/directory
@param to to file/directory
@param relatives Relativity array
@result boolean True/False
2001-05-25 05:34:24 +02:00
*/
function cp ($data)
2001-05-25 05:34:24 +02:00
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT, RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
$f = $this->path_parts (array(
'string' => $data['from'],
'relatives' => array ($data['relatives'][0])
)
);
$t = $this->path_parts (array(
'string' => $data['to'],
'relatives' => array ($data['relatives'][1])
)
);
if (!$this->acl_check (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'operation' => PHPGW_ACL_READ
))
)
{
return False;
}
if ($this->file_exists (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
))
)
{
if (!$this->acl_check (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'operation' => PHPGW_ACL_EDIT
))
)
{
return False;
}
}
else
{
if (!$this->acl_check (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'operation' => PHPGW_ACL_ADD
))
)
{
return False;
}
}
umask(000);
if ($this->file_type (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask)
)) != 'Directory'
)
{
if (!copy ($f->real_full_path, $t->real_full_path))
{
return False;
}
if ($t->outside)
{
return True;
}
$size = filesize ($t->real_full_path);
$ls_array = $this->ls (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'checksubdirs' => False,
'mime_type' => False,
'nofiles' => True
)
);
$record = $ls_array[0];
if ($this->file_exists (array(
'string' => $data['to'],
'relatives' => array ($data['relatives'][1])
))
)
{
$query = $GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET owner_id='$this->working_id', directory='$t->fake_leading_dirs_clean', name='$t->fake_name_clean' WHERE owner_id='$this->working_id' AND directory='$t->fake_leading_dirs_clean' AND name='$t->fake_name_clean'" . $this->extra_sql (VFS_SQL_UPDATE), __LINE__, __FILE__);
$this->set_attributes(array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'attributes' => array (
'createdby_id' => $account_id,
'created' => $this->now,
'size' => $size,
'mime_type' => $record['mime_type'],
'deleteable' => $record['deleteable'],
'comment' => $record['comment'],
'app' => $record['app']
)
)
);
$this->add_journal (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'operation' => VFS_OPERATION_EDITED
)
);
}
else
{
$this->touch (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
)
);
$this->set_attributes(array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'attributes' => array (
'createdby_id' => $account_id,
'created' => $this->now,
'size' => $size,
'mime_type' => $record['mime_type'],
'deleteable' => $record['deleteable'],
'comment' => $record['comment'],
'app' => $record['app']
)
)
);
}
$this->correct_attributes (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
)
);
}
else /* It's a directory */
{
/* First, make the initial directory */
$this->mkdir (array(
'string' => $data['to'],
'relatives' => array ($data['relatives'][1])
)
);
/* Next, we create all the directories below the initial directory */
$ls = $this->ls (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'checksubdirs' => True,
'mime_type' => 'Directory'
)
);
while (list ($num, $entry) = each ($ls))
{
$newdir = ereg_replace ("^$f->fake_full_path", "$t->fake_full_path", $entry['directory']);
$this->mkdir (array(
'string' => $newdir.'/'.$entry['name'],
'relatives' => array ($t->mask)
)
);
}
/* Lastly, we copy the files over */
$ls = $this->ls (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask)
)
);
while (list ($num, $entry) = each ($ls))
{
if ($entry['mime_type'] == 'Directory')
{
continue;
}
$newdir = ereg_replace ("^$f->fake_full_path", "$t->fake_full_path", $entry['directory']);
$this->cp (array(
'from' => "$entry[directory]/$entry[name]",
'to' => "$newdir/$entry[name]",
'relatives' => array ($f->mask, $t->mask)
)
);
}
}
if (!$f->outside)
{
$this->add_journal (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'operation' => VFS_OPERATION_COPIED,
'state_one' => NULL,
'state_two' => $t->fake_full_path
)
);
}
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return True;
}
function copy ($data)
{
return $this->cp ($data);
}
/*!
@function mv
@abstract move file/directory
@param from from file/directory
@param to to file/directory
@param relatives Relativity array
@result boolean True/False
*/
function mv ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT, RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
$f = $this->path_parts (array(
'string' => $data['from'],
'relatives' => array ($data['relatives'][0])
)
);
$t = $this->path_parts (array(
'string' => $data['to'],
'relatives' => array ($data['relatives'][1])
)
);
if (!$this->acl_check (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'operation' => PHPGW_ACL_READ
))
|| !$this->acl_check (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'operation' => PHPGW_ACL_DELETE
))
)
{
return False;
}
if (!$this->acl_check (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'operation' => PHPGW_ACL_ADD
))
)
{
return False;
}
if ($this->file_exists (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
))
)
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{
if (!$this->acl_check (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'operation' => PHPGW_ACL_EDIT
))
)
{
return False;
}
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}
umask (000);
/* We can't move directories into themselves */
if (($this->file_type (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask)
) == 'Directory'))
&& ereg ("^$f->fake_full_path", $t->fake_full_path)
)
{
if (($t->fake_full_path == $f->fake_full_path) || substr ($t->fake_full_path, strlen ($f->fake_full_path), 1) == '/')
{
return False;
}
}
if ($this->file_exists (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask)
))
)
{
/* We get the listing now, because it will change after we update the database */
$ls = $this->ls (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask)
)
);
if ($this->file_exists (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
))
)
{
$this->rm (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
)
);
}
/*
We add the journal entry now, before we delete. This way the mime_type
field will be updated to 'journal-deleted' when the file is actually deleted
*/
if (!$f->outside)
{
$this->add_journal (array(
'string' => $f->fake_full_path,
'relatives' => array ($f->mask),
'operation' => VFS_OPERATION_MOVED,
'state_one' => $f->fake_full_path,
'state_two' => $t->fake_full_path
)
);
}
/*
If the from file is outside, it won't have a database entry,
so we have to touch it and find the size
*/
if ($f->outside)
{
$size = filesize ($f->real_full_path);
$this->touch (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
)
);
$query = $GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET size=$size WHERE directory='$t->fake_leading_dirs_clean' AND name='$t->fake_name_clean'" . $this->extra_sql (array ('query_type' => VFS_SQL_UPDATE)), __LINE__, __FILE__);
}
elseif (!$t->outside)
{
$query = $GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET name='$t->fake_name_clean', directory='$t->fake_leading_dirs_clean' WHERE directory='$f->fake_leading_dirs_clean' AND name='$f->fake_name_clean'" . $this->extra_sql (array ('query_type' => VFS_SQL_UPDATE)), __LINE__, __FILE__);
}
$this->set_attributes(array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'attributes' => array (
'modifiedby_id' => $account_id,
'modified' => $this->now
)
)
);
$this->correct_attributes (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
)
);
$rr = rename ($f->real_full_path, $t->real_full_path);
/*
This removes the original entry from the database
The actual file is already deleted because of the rename () above
*/
if ($t->outside)
{
$this->rm (array(
'string' => $f->fake_full_path,
'relatives' => $f->mask
)
);
}
}
else
{
return False;
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}
if ($this->file_type (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask)
)) == 'Directory'
)
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{
/* We got $ls from above, before we renamed the directory */
while (list ($num, $entry) = each ($ls))
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{
$newdir = ereg_replace ("^$f->fake_full_path", $t->fake_full_path, $entry['directory']);
$newdir_clean = $this->db_clean (array ('string' => $newdir));
$query = $GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET directory='$newdir_clean' WHERE file_id='$entry[file_id]'" . $this->extra_sql (array ('query_type' => VFS_SQL_UPDATE)), __LINE__, __FILE__);
$this->correct_attributes (array(
'string' => "$newdir/$entry[name]",
'relatives' => array ($t->mask)
)
);
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}
}
$this->add_journal (array(
'string' => $t->fake_full_path,
'relatives' => array ($t->mask),
'operation' => VFS_OPERATION_MOVED,
'state_one' => $f->fake_full_path,
'state_two' => $t->fake_full_path
)
);
return True;
}
/*!
@function move
@abstract shortcut to mv
*/
function move ($data)
{
return $this->mv ($data);
}
/*!
@function rm
@abstract delete file/directory
@param string file/directory to delete
@param relatives Relativity array
@result boolean True/False
*/
function rm ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_DELETE
))
)
{
return False;
}
if (!$this->file_exists (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
))
)
{
$rr = unlink ($p->real_full_path);
if ($rr)
{
return True;
}
else
{
return False;
}
}
if ($this->file_type (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)) != 'Directory'
)
{
$this->add_journal (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => VFS_OPERATION_DELETED
)
);
$query = $GLOBALS['phpgw']->db->query ("DELETE FROM phpgw_vfs WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'".$this->extra_sql (array ('query_type' => VFS_SQL_DELETE)), __LINE__, __FILE__);
$rr = unlink ($p->real_full_path);
if ($query || $rr)
{
return True;
}
else
{
return False;
}
}
else
{
$ls = $this->ls (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
)
);
/* First, we cycle through the entries and delete the files */
while (list ($num, $entry) = each ($ls))
{
if ($entry['mime_type'] == 'Directory')
{
continue;
}
$this->rm (array(
'string' => "$entry[directory]/$entry[name]",
'relatives' => array ($p->mask)
)
);
}
/* Now we cycle through again and delete the directories */
reset ($ls);
while (list ($num, $entry) = each ($ls))
{
if ($entry['mime_type'] != 'Directory')
{
continue;
}
/* Only the best in confusing recursion */
$this->rm (array(
'string' => "$entry[directory]/$entry[name]",
'relatives' => array ($p->mask)
)
);
}
/* If the directory is linked, we delete the placeholder directory */
$ls_array = $this->ls (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'checksubdirs' => False,
'mime_type' => False,
'nofiles' => True
)
);
$link_info = $ls_array[0];
if ($link_info['link_directory'] && $link_info['link_name'])
{
$path = $this->path_parts (array(
'string' => $link_info['directory'] . '/' . $link_info['name'],
'relatives' => array ($p->mask),
'nolinks' => True
)
);
rmdir ($path->real_full_path);
}
/* Last, we delete the directory itself */
$this->add_journal (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operaton' => VFS_OPERATION_DELETED
)
);
$query = $GLOBALS['phpgw']->db->query ("DELETE FROM phpgw_vfs WHERE directory='$p->fake_leading_dirs_clean' AND name='$p->fake_name_clean'" . $this->extra_sql (array ('query_type' => VFS_SQL_DELETE)), __LINE__, __FILE__);
rmdir ($p->real_full_path);
return True;
}
}
/*!
@function delete
@abstract shortcut to rm
*/
function delete ($data)
{
return $this->rm ($data);
}
/*!
@function mkdir
@abstract make a new directory
@param string Directory name
@param relatives Relativity array
@result boolean True on success
*/
function mkdir ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
$currentapp = $GLOBALS['phpgw_info']['flags']['currentapp'];
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_ADD)
)
)
{
return False;
}
/* We don't allow /'s in dir names, of course */
if (ereg ("/", $p->fake_name))
{
return False;
}
umask (000);
if (!mkdir ($p->real_full_path, 0770))
{
return False;
}
if (!$this->file_exists (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
))
)
{
$query = $GLOBALS['phpgw']->db->query ("INSERT INTO phpgw_vfs (owner_id, name, directory) VALUES ($this->working_id, '$p->fake_name_clean', '$p->fake_leading_dirs_clean')", __LINE__, __FILE__);
$this->set_attributes(array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'attributes' => array (
'createdby_id' => $account_id,
'size' => 4096,
'mime_type' => 'Directory',
'created' => $this->now,
'deleteable' => 'Y',
'app' => $currentapp
)
)
);
$this->correct_attributes (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
)
);
$this->add_journal (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => VFS_OPERATION_CREATED
)
);
}
else
{
return False;
}
return True;
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}
/*!
@function make_link
@abstract Make a link from virtual directory 'vdir' to real directory 'rdir'
@discussion Making a link from 'vdir' to 'rdir' will cause path_parts () to substitute 'rdir' for the real
path variables when presented with 'vdir'
@param vdir Virtual dir to make link from
@param rdir Real dir to make link to
@param relatives Relativity array
@result Boolean True/False
*/
function make_link ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT, RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
$currentapp = $GLOBALS['phpgw_info']['flags']['currentapp'];
$vp = $this->path_parts (array(
'string' => $data['vdir'],
'relatives' => array ($data['relatives'][0])
)
);
$rp = $this->path_parts (array(
'string' => $data['rdir'],
'relatives' => array ($data['relatives'][1])
)
);
if (!$this->acl_check (array(
'string' => $vp->fake_full_path,
'relatives' => array ($vp->mask),
'operation' => PHPGW_ACL_ADD
))
)
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{
return False;
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}
if ((!$this->file_exists (array(
'string' => $rp->real_full_path,
'relatives' => array ($rp->mask)
)))
&& !mkdir ($rp->real_full_path, 0770))
{
return False;
}
if (!$this->mkdir (array(
'string' => $vp->fake_full_path,
'relatives' => array ($vp->mask)
))
)
{
return False;
}
$size = $this->get_size (array(
'string' => $rp->real_full_path,
'relatives' => array ($rp->mask)
)
);
$this->set_attributes(array(
'string' => $vp->fake_full_path,
'relatives' => array ($vp->mask),
'attributes' => array (
'link_directory' => $rp->real_leading_dirs,
'link_name' => $rp->real_name,
'size' => $size
)
)
);
$this->correct_attributes (array(
'string' => $vp->fake_full_path,
'relatives' => array ($vp->mask)
)
);
return True;
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}
/*!
@function set_attributes
@abstract Update database entry for 'string' with the attributes in 'attributes'
@param string file/directory to update
@param relatives Relativity array
@param attributes keyed array of attributes. key is attribute name, value is attribute value
@result Boolean True/False
@discussion Valid attributes are:
owner_id
createdby_id
modifiedby_id
created
modified
size
mime_type
deleteable
comment
app
link_directory
link_name
version
name
directory
*/
function set_attributes ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'attributes' => array ()
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
/*
This is kind of trivial, given that set_attributes () can change owner_id,
size, etc.
*/
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_EDIT
))
)
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{
return False;
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}
if (!$this->file_exists (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
))
)
{
return False;
}
/*
All this voodoo just decides which attributes to update
depending on if the attribute was supplied in the 'attributes' array
*/
$ls_array = $this->ls (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'checksubdirs' => False,
'nofiles' => True
)
);
$record = $ls_array[0];
$sql = 'UPDATE phpgw_vfs SET ';
$change_attributes = 0;
reset ($this->attributes);
while (list ($num, $attribute) = each ($this->attributes))
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{
if (isset ($data['attributes'][$attribute]))
2001-05-25 05:34:24 +02:00
{
$$attribute = $data['attributes'][$attribute];
/*
Indicate that the EDITED_COMMENT operation needs to be journaled,
but only if the comment changed
*/
if ($attribute == 'comment' && $data['attributes'][$attribute] != $record[$attribute])
{
$edited_comment = 1;
}
$$attribute = $this->db_clean (array ('string' => $$attribute));
if ($change_attributes > 0)
{
$sql .= ', ';
}
$sql .= "$attribute='" . $$attribute . "'";
$change_attributes++;
}
}
$sql .= " WHERE file_id='$record[file_id]'";
$sql .= $this->extra_sql (array ('query_type' => VFS_SQL_UPDATE));
$query = $GLOBALS['phpgw']->db->query ($sql, __LINE__, __FILE__);
if ($query)
{
if ($edited_comment)
{
$this->add_journal (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => VFS_OPERATION_EDITED_COMMENT
)
);
}
return True;
}
else
{
return False;
}
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}
/*!
@function correct_attributes
@abstract Set the correct attributes for 'string' (e.g. owner)
@param string File/directory to correct attributes of
@param relatives Relativity array
@result Boolean True/False
2001-05-25 05:34:24 +02:00
*/
function correct_attributes ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if ($p->fake_leading_dirs != $this->fakebase && $p->fake_leading_dirs != '/')
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{
$ls_array = $this->ls (array(
'string' => $p->fake_leading_dirs,
'relatives' => array ($p->mask),
'checksubdirs' => False,
'nofiles' => True
)
);
$set_attributes_array = Array(
'owner_id' => $ls_array[0]['owner_id']
);
}
elseif (preg_match ("+^$this->fakebase\/(.*)$+U", $p->fake_full_path, $matches))
{
$set_attributes_array = Array(
'owner_id' => $GLOBALS['phpgw']->accounts->name2id ($matches[1])
);
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}
else
{
$set_attributes_array = Array(
'owner_id' => 0
);
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}
$this->set_attributes (array(
'string' => $p->fake_full_name,
'relatives' => array ($p->mask),
'attributes' => $set_attributes_array
)
);
return True;
}
/*!
@function file_type
@abstract return file/dir type (MIME or other)
@param string File or directory path (/home/user/dir/dir2/dir3, /home/user/dir/dir2/file)
@param relatives Relativity array
@result MIME type, "Directory", or nothing if MIME type is not known
*/
function file_type ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_READ,
'must_exist' => True
))
)
{
return False;
}
if ($p->outside)
{
if (is_dir ($p->real_full_path))
{
return ('Directory');
}
/*
We don't return an empty string here, because it may still match with a database query
because of linked directories
*/
}
/*
We don't use ls () because it calls file_type () to determine if it has been
passed a directory
*/
$db2 = $GLOBALS['phpgw']->db;
$db2->query ("SELECT mime_type FROM phpgw_vfs WHERE directory='$p->fake_leading_dirs_clean' AND name='$p->fake_name_clean'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
$db2->next_record ();
$mime_type = $db2->Record['mime_type'];
if(!$mime_type)
{
$mime_type = $this->get_ext_mime_type (array ('string' => $data['string']));
{
$db2->query ("UPDATE phpgw_vfs SET mime_type='".$mime_type."' WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
}
}
return $mime_type;
}
/*!
@function get_ext_mime_type
@abstract return MIME type based on file extension
@description Authors: skeeter
Internal use only. Applications should call vfs->file_type ()
@param string File name, with or without leading paths
@result MIME type based on file extension
*/
function get_ext_mime_type ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$file=basename($data['string']);
$mimefile=PHPGW_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)
{
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return $line[0];
}
}
}
}
}
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return '';
}
/*!
@function file_exists
@abstract check if file/directory exists
@param string file/directory to check existance of
@param relatives Relativity array
@result Boolean True/False
*/
function file_exists ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if ($p->outside)
{
$rr = file_exists ($p->real_full_path);
return $rr;
}
$db2 = $GLOBALS['phpgw']->db;
$db2->query ("SELECT name FROM phpgw_vfs WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
if ($db2->next_record ())
{
return True;
}
else
{
return False;
}
}
/*!
@function get_size
@abstract Return size of 'string'
@param string file/directory to get size of
@param relatives Relativity array
@param checksubdirs Boolean, recursively add the size of all sub directories as well?
@result Size of 'string' in bytes
*/
function get_size ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'checksubdirs' => True
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_READ,
'must_exist' => True
))
)
{
return False;
}
/*
WIP - this should run through all of the subfiles/directories in the directory and tally up
their sizes. Should modify ls () to be able to return a list for files outside the virtual root
*/
if ($p->outside)
{
$size = filesize ($p->real_full_path);
return $size;
}
$ls_array = $this->ls (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'checksubdirs' => $data['checksubdirs'],
'nofiles' => !$data['checksubdirs']
)
);
while (list ($num, $file_array) = each ($ls_array))
{
/*
Make sure the file is in the directory we want, and not
some deeper nested directory with a similar name
*/
/*
if (@!ereg ('^' . $file_array['directory'], $p->fake_full_path))
{
continue;
}
*/
$size += $file_array['size'];
}
if ($data['checksubdirs'])
{
$query = $GLOBALS['phpgw']->db->query ("SELECT size FROM phpgw_vfs WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'" . $this->extra_sql (array ('query_text' => VFS_SQL_SELECT)));
$GLOBALS['phpgw']->db->next_record ();
$size += $GLOBALS['phpgw']->db->Record[0];
}
return $size;
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}
/*!
@function checkperms
@abstract Check if $this->working_id has write access to create files in $dir
@discussion Simple call to acl_check
@param string Directory to check access of
@param relatives Relativity array
@result Boolean True/False
*/
function checkperms ($data)
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{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (!$this->acl_check (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask),
'operation' => PHPGW_ACL_ADD
))
)
{
return False;
}
else
{
return True;
}
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}
/*!
@function ls
@abstract get directory listing or info about a single file
@discussion Note: The entries are not guaranteed to be returned in any logical order
Note: The size for directories does not include subfiles/subdirectories.
If you need that, use $this->get_size ()
@param string File or Directory
@param relatives Relativity array
@param checksubdirs Boolean, recursively list all sub directories as well?
@param mime_type Only return entries matching MIME-type 'mime_type'. Can be any MIME-type, "Directory" or "\ " for those without MIME types
@param nofiles Boolean. True means you want to return just the information about the directory $dir. If $dir is a file, $nofiles is implied. This is the equivalent of 'ls -ld $dir'
@param orderby How to order results. Note that this only works for directories inside the virtual root
@result array of arrays. Subarrays contain full info for each file/dir.
*/
function ls ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT),
'checksubdirs' => True,
'mime_type' => False,
'nofiles' => False,
'orderby' => 'directory'
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
$dir = $p->fake_full_path;
/* If they pass us a file or 'nofiles' is set, return the info for $dir only */
if (((($type = $this->file_type (array(
'string' => $dir,
'relatives' => array ($p->mask)
)) != 'Directory'))
|| ($data['nofiles'])) && !$p->outside
)
{
/* SELECT all, the, attributes */
$sql = 'SELECT ';
reset ($this->attributes);
while (list ($num, $attribute) = each ($this->attributes))
{
if ($num)
{
$sql .= ', ';
}
$sql .= $attribute;
}
$sql .= " FROM phpgw_vfs WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'".$this->extra_sql (array ('query_type' => VFS_SQL_SELECT));
$query = $GLOBALS['phpgw']->db->query ($sql, __LINE__, __FILE__);
$GLOBALS['phpgw']->db->next_record ();
$record = $GLOBALS['phpgw']->db->Record;
/* We return an array of one array to maintain the standard */
$rarray = array ();
reset ($this->attributes);
while (list ($num, $attribute) = each ($this->attributes))
{
if ($attribute == 'mime_type' && !$record[$attribute])
{
$db2 = $GLOBALS['phpgw']->db;
$record[$attribute] = $this->get_ext_mime_type (array(
'string' => $p->fake_name_clean
)
);
if($record[$attribute])
{
$db2->query ("UPDATE phpgw_vfs SET mime_type='".$record[$attribute]."' WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
}
}
$rarray[0][$attribute] = $record[$attribute];
}
return $rarray;
}
//WIP - this should recurse using the same options the virtual part of ls () does
/* If $dir is outside the virutal root, we have to check the file system manually */
if ($p->outside)
{
if ($this->file_type (array(
'string' => $p->fake_full_path,
'relatives' => array ($p->mask)
)) == 'Directory'
&& !$data['nofiles']
)
{
$dir_handle = opendir ($p->real_full_path);
while ($filename = readdir ($dir_handle))
{
if ($filename == '.' || $filename == '..')
{
continue;
}
$rarray[] = $this->get_real_info (array(
'string' => $p->real_full_path . SEP . $filename,
'relatives' => array ($p->mask)
)
);
}
}
else
{
$rarray[] = $this->get_real_info (array(
'string' => $p->real_full_path,
'relatives' => array ($p->mask)
)
);
}
return $rarray;
}
/* $dir's not a file, is inside the virtual root, and they want to check subdirs */
/* SELECT all, the, attributes FROM phpgw_vfs WHERE file=$dir */
$sql = 'SELECT ';
reset ($this->attributes);
while (list ($num, $attribute) = each ($this->attributes))
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{
if ($num)
{
$sql .= ", ";
}
$sql .= $attribute;
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}
$dir_clean = $this->db_clean (array ('string' => $dir));
$sql .= " FROM phpgw_vfs WHERE directory LIKE '$dir_clean%'";
$sql .= $this->extra_sql (array ('query_type' => VFS_SQL_SELECT));
if ($data['mime_type'])
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{
$sql .= " AND mime_type='".$data['mime_type']."'";
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}
$sql .= ' ORDER BY '.$data['orderby'];
$query = $GLOBALS['phpgw']->db->query ($sql, __LINE__, __FILE__);
$rarray = array ();
for ($i = 0; $GLOBALS['phpgw']->db->next_record (); $i++)
{
$record = $GLOBALS['phpgw']->db->Record;
/* Further checking on the directory. This makes sure /home/user/test won't match /home/user/test22 */
if (@!ereg ("^$dir(/|$)", $record['directory']))
{
continue;
}
/* If they want only this directory, then $dir should end without a trailing / */
if (!$data['checksubdirs'] && ereg ("^$dir/", $record['directory']))
{
continue;
}
reset ($this->attributes);
while (list ($num, $attribute) = each ($this->attributes))
{
if ($attribute == 'mime_type' && !$record[$attribute])
{
$db2 = $GLOBALS['phpgw']->db;
$record[$attribute] = $this->get_ext_mime_type (array(
'string' => $p->fake_name_clean
)
);
if($record[$attribute])
{
$db2->query ("UPDATE phpgw_vfs SET mime_type='".$record[$attribute]."' WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
}
}
$rarray[$i][$attribute] = $record[$attribute];
}
}
return $rarray;
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}
/*!
@function dir
@abstract shortcut to ls
*/
function dir ($data)
{
return $this->ls ($data);
}
/*!
@function command_line
@abstract Process and run a Unix-sytle command line
@discussion 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 "").
@param command_line Unix-style command line with one of the commands in the $args array
@result $result The return value of the actual VFS call
*/
function command_line ($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);
}
/*!
@function update_real
@abstract Update database information for file or directory 'string'
@param string File or directory to update database information for
@param relatives Relativity array
@result Boolean True/False
*/
function update_real ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (file_exists ($p->real_full_path))
{
if (is_dir ($p->real_full_path))
{
$dir_handle = opendir ($p->real_full_path);
while ($filename = readdir ($dir_handle))
{
if ($filename == '.' || $filename == '..')
{
continue;
}
$rarray[] = $this->get_real_info (array(
'string' => $p->fake_full_path . '/' . $filename,
'relatives' => array (RELATIVE_NONE)
)
);
}
}
else
{
$rarray[] = $this->get_real_info (array(
'string' => $p->fake_full_path,
'relatives' => array (RELATIVE_NONE)
)
);
}
if (!is_array ($rarray))
{
$rarray = array ();
}
while (list ($num, $file_array) = each ($rarray))
{
$p2 = $this->path_parts (array(
'string' => $file_array['directory'] . '/' . $file_array['name'],
'relatives' => array (RELATIVE_NONE)
)
);
/* Note the mime_type. This can be "Directory", which is how we create directories */
$set_attributes_array = Array(
'size' => $file_array['size'],
'mime_type' => $file_array['mime_type']
);
if (!$this->file_exists (array(
'string' => $p2->fake_full_path,
'relatives' => array (RELATIVE_NONE)
))
)
{
$this->touch (array(
'string' => $p2->fake_full_path,
'relatives' => array (RELATIVE_NONE)
)
);
$this->set_attributes (array(
'string' => $p2->fake_full_path,
'relatives' => array (RELATIVE_NONE),
'attributes' => $set_attributes_array
)
);
}
else
{
$this->set_attributes (array(
'string' => $p2->fake_full_path,
'relatives' => array (RELATIVE_NONE),
'attributes' => $set_attributes_array
)
);
}
}
}
}
/* Helper functions */
function default_values ($data, $default_values)
{
for ($i = 0; list ($key, $value) = each ($default_values); $i++)
{
if (!isset ($data[$key]))
{
$data[$key] = $value;
}
}
return $data;
}
/* This fetchs all available file system information for $string (not using the database) */
function get_real_info ($data)
{
if (!is_array ($data))
{
$data = array ();
}
$default_values = array
(
'relatives' => array (RELATIVE_CURRENT)
);
$data = array_merge ($this->default_values ($data, $default_values), $data);
$p = $this->path_parts (array(
'string' => $data['string'],
'relatives' => array ($data['relatives'][0])
)
);
if (is_dir ($p->real_full_path))
{
$mime_type = 'Directory';
}
else
{
$mime_type = $this->get_ext_mime_type (array(
'string' => $p->fake_name
)
);
if($mime_type)
{
$GLOBALS['phpgw']->db->query ("UPDATE phpgw_vfs SET mime_type='".$mime_type."' WHERE directory='".$p->fake_leading_dirs_clean."' AND name='".$p->fake_name_clean."'" . $this->extra_sql (array ('query_type' => VFS_SQL_SELECT)), __LINE__, __FILE__);
}
}
$size = filesize ($p->real_full_path);
$rarray = array(
'directory' => $p->fake_leading_dirs,
'name' => $p->fake_name,
'size' => $size,
'mime_type' => $mime_type
);
return ($rarray);
}
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}
?>