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access.php
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access.php
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<?php
/**
* This page is used to manage user access rights.
*
* It has three different modes:
* - list users to manage (no parameters)
* - manage a single user's rights (just "user" parameter)
* this will include which functions the user can access and
* (if $ALLOW_VIEW_OTHER is 'Y') which calendars they can view/edit/approve
* - update the database (form handler)
*
* Input Parameters:
* user - specifies which user to manage, a form will be presented
* that allows editing rights of this user
*
* access_N - where N is 0 to ACCESS_NUMBER_FUNCTIONS as defined in
* includes/access.php. Each should be either 'Y' or 'N'.
*
* @package WebCalendar
*/
/**
* Include the basics.
*/
require_once 'includes/init.php';
$allow_view_other =
( ! empty( $ALLOW_VIEW_OTHER ) && $ALLOW_VIEW_OTHER == 'Y' );
if( ! access_is_enabled() ) {
echo print_not_auth();
exit;
}
$dbErrStr = translate( 'Database error XXX.' );
$defConfigStr = translate( 'DEFAULT CONFIGURATION' );
$goStr = '
</select>
<button class="btn btn-primary" type="submit">'
. translate ( 'Go' ) . '</button>
</form>';
$saveStr = translate( 'Save' );
$undoStr = translate( 'Undo' );
$saved = '';
// Are we handling the access form?
// If so, do that, then redirect.
// Handle function access first.
if( getPostValue( 'auser' ) != '' && getPostValue( 'submit' ) == $saveStr ) {
$auser = getPostValue( 'auser' );
$perm = '';
for( $i = 0; $i < ACCESS_NUMBER_FUNCTIONS; $i++ ) {
$perm .= ( getPostValue( 'access_' . $i ) == 'Y' ? 'Y' : 'N' );
}
dbi_execute( 'DELETE FROM webcal_access_function
WHERE cal_login = ?', [$auser] );
if( ! dbi_execute( 'INSERT INTO webcal_access_function( cal_login,
cal_permissions ) VALUES ( ?, ? )', [$auser, $perm] ) )
die_miserable_death( str_replace( 'XXX', dbi_error(), $dbErrStr ) );
$saved = true;
}
// Are we handling the other user form? If so, do that, then redirect.
if( getPostValue( 'otheruser' ) != '' && getPostValue( 'submit' ) == $saveStr ) {
$puser = getPostValue( 'guser' );
$pouser = getPostValue( 'otheruser' );
if( $allow_view_other ) {
// Handle access to other users' calendars.
// If user is not admin,
// reverse values so they are granting access to their own calendar.
if( ! $is_admin )
list( $puser, $pouser ) = [$pouser, $puser];
dbi_execute( 'DELETE FROM webcal_access_user WHERE cal_login = ?
AND cal_other_user = ?', [$puser, $pouser] );
$approve_total = $edit_total = $view_total = 0;
for ( $i = 1; $i < 257; ) {
$approve_total += getPostValue( 'a_' . $i );
$edit_total += getPostValue( 'e_' . $i );
$view_total += getPostValue( 'v_' . $i );
$i += $i;
}
$email = getPostValue( 'email' );
$invite = getPostValue( 'invite' );
$time = getPostValue( 'time' );
if( ! dbi_execute( 'INSERT INTO webcal_access_user ( cal_login,
cal_other_user, cal_can_view, cal_can_edit, cal_can_approve,
cal_can_invite, cal_can_email, cal_see_time_only )
VALUES ( ?, ?, ?, ?, ?, ?, ?, ? )',
[
$puser,
$pouser,
( $view_total > 0 ? $view_total : 0 ),
( $edit_total > 0 && $puser != '__public__' ? $edit_total : 0 ),
( $approve_total > 0 && $puser != '__public__' ? $approve_total : 0 ),
( strlen( $invite ) ? $invite : 'N' ),
( strlen( $email ) ? $email : 'N' ),
( strlen( $time ) ? $time : 'N' )] ) )
die_miserable_death( str_replace( 'XXX', dbi_error(), $dbErrStr ) );
$saved = true;
}
}
$checked = ' checked';
$guser = getPostValue( 'guser' );
$selected = ' selected';
if( $guser == '__default__' ) {
$otheruser = $guser;
$user_fullname = $defConfigStr;
} else
$otheruser = getPostValue( 'otheruser' );
if( $otheruser == '__default__' ) {
$otheruser_fullname = $defConfigStr;
$otheruser_login = '__default__';
} elseif( $otheruser == '__public__' ) {
$otheruser_fullname = translate( 'Public Access' );
$otheruser_login = '__public__';
}
if( ! empty( $otheruser ) ) {
if( $allow_view_other ) {
user_load_variables( $otheruser, 'otheruser_' );
// Turn off admin override so we see the users own settings.
$ADMIN_OVERRIDE_UAC = 'N';
// Now load all the data from webcal_access_user.
$allPermissions = access_load_user_permissions( false );
// Load default-default values if exist.
if( ! empty( $allPermissions['__default__.__default__'] ) )
$op = $allPermissions['__default__.__default__'];
if( $is_admin ) {
// Load user-default values if exist.
if( ! empty( $allPermissions[ $guser . '.__default__' ] ) )
$op = $allPermissions[ $guser . '.__default__' ];
// Load user-otheruser values if exist.
if( ! empty( $allPermissions[ $guser . '.' . $otheruser ] ) )
$op = $allPermissions[ $guser . '.' . $otheruser ];
} else {
// Load default-user values if exist.
if( ! empty( $allPermissions['__default__.' . $guser] ) )
$op = $allPermissions['__default__.' . $guser ];
// Load otheruser-user values if exist.
if( ! empty( $allPermissions[$otheruser . '.' . $guser] ) )
$op = $allPermissions[$otheruser . '.' . $guser];
}
}
}
print_header( '',
'<script src="includes/js/access.js?'
. filemtime( 'includes/js/access.js' ) . '"></script>
<link href="includes/css/access.css?'
. filemtime( 'includes/css/access.css' ) . '" rel="stylesheet">',
( ! empty( $op['time'] ) && $op['time'] == 'Y'
? 'onload="enableAll( true );"' : '' ) );
echo print_success( $saved );
if( ! empty( $guser ) && $is_admin )
user_load_variables( $guser, 'user_' );
if( $is_admin ) {
$adminStr = translate( 'Admin' );
$userlist = get_my_users();
$nonuserlist = get_nonuser_cals();
// If we are here... we must need to print out a list of users.
echo '
<h2>' . translate( 'User Access Control' )
. ( empty( $user_fullname ) ? '' : ': ' . $user_fullname ) . '</h2>
' . display_admin_link( false ) . '
<form action="access.php" method="post" name="SelectUser">';
print_form_key();
echo '<select class="form-control-sm" name="guser" onchange="document.SelectUser.submit()">'
// Add a DEFAULT CONFIGURATION to be used as a mask.
. '
<option value="__default__"'
. ( $guser == '__default__' ? $selected : '' )
. '>' . $defConfigStr . '</option>';
for( $i = 0, $cnt = count( $userlist ); $i < $cnt; $i++ ) {
echo '
<option value="' . $userlist[$i]['cal_login'] . '"'
. ( $guser == $userlist[$i]['cal_login'] ? $selected : '' )
. '>' . $userlist[$i]['cal_fullname'] . '</option>';
}
for( $i = 0, $cnt = count( $nonuserlist ); $i < $cnt; $i++ ) {
echo '
<option value="' . $nonuserlist[$i]['cal_login'] . '"'
. ( $guser == $nonuserlist[$i]['cal_login'] ? $selected : '' )
. '>' . $nonuserlist[$i]['cal_fullname'] . ' '
. ( $nonuserlist[$i]['cal_is_public'] == 'Y' ? '*' : '' ) . '</option>';
}
echo $goStr;
} //end admin $guser !- default test
if( ! empty( $guser ) || ! $is_admin ) {
if( $is_admin ) {
// Present a page to allow editing a user's rights.
$access = access_load_user_functions( $guser );
$div = ceil( ACCESS_NUMBER_FUNCTIONS / 4 );
// We can reorder the display of user rights here.
$order = array_merge ( [1, 0], range ( 2, 14 ), [27], range ( 15, 26 ) );
// Make sure that we have defined all the types of access
// defined in access.php.
assert( count( $order ) == ACCESS_NUMBER_FUNCTIONS );
echo '<form action="access.php" method="post" id="accessform" name="accessform">';
print_form_key();
echo '
<input type="hidden" name="auser" value="' . $guser . '">
<input type="hidden" name="guser" value="' . $guser . '">
<table>
<tbody>
<tr>
<td>';
for( $i = 0; $i < ACCESS_NUMBER_FUNCTIONS; $i++ ) {
// Public access and NUCs can never use some of these functions.
$show = true;
if( $guser == '__public__'
|| substr( $guser, 0, 5 ) == $NONUSER_PREFIX ) {
switch( $order[$i] ) {
case ACCESS_ACCESS_MANAGEMENT:
case ACCESS_ACCOUNT_INFO:
case ACCESS_ACTIVITY_LOG:
case ACCESS_ADMIN_HOME:
case ACCESS_ASSISTANTS:
case ACCESS_CATEGORY_MANAGEMENT:
case ACCESS_IMPORT:
case ACCESS_PREFERENCES:
case ACCESS_SYSTEM_SETTINGS:
case ACCESS_USER_MANAGEMENT:
case ACCESS_VIEW_MANAGEMENT:
// Skip these...
$show = false;
}
}
if( $show )
echo print_checkbox ( ['access_' . $order[$i], 'Y',
access_get_function_description( $order[$i] ),
substr( $access, $order[$i], 1 )], 'dito' ) . '<br>';
if( ( $i + 1 ) % $div == 0 )
echo '
</td>
<td>';
}
echo '
</td>
</tr>
</tbody>
</table>
<button class="btn btn-secondary" type="submit">' . $undoStr . '</button>
<button class="btn btn-primary" name="submit" type="submit">'
. $saveStr . '</button>
</form>';
$pagetitle = translate( 'Allow Access to Other Users Calendar' );
} else {
// Get list of users that this user can see (may depend on group settings)
// along with all nonuser calendars.
// if( $guser != '__default__' ) {
$guser = $login;
$pagetitle = translate( 'Grant This User Access to My Calendar' );
}
if( $guser == '__default__' ) {
$userlist = ['__default__'];
$otheruser = $otheruser_login = '__default__';
$otheruser_fullname = $defConfigStr;
} else
if( $allow_view_other ) {
$userlist = get_list_of_users( $guser );
echo '
<h2 style="margin-bottom: 2px;">' . $pagetitle . '</h2>
<form action="access.php" method="post" name="SelectOther">';
print_form_key();
echo '
<input type="hidden" name="guser" value="' . $guser . '">
<select class="form-control" name="otheruser" onchange="document.SelectOther.submit()">'
// Add a DEFAULT CONFIGURATION to be used as a mask.
. '
<option value="__default__"'
. ( $otheruser == '__default__' ? $selected : '' )
. '>' . $defConfigStr . '</option>';
for( $i = 0, $cnt = count( $userlist ); $i < $cnt; $i++ ) {
if( $userlist[$i]['cal_login'] != $guser )
echo '
<option value="' . $userlist[$i]['cal_login'] . '"'
. ( ! empty( $otheruser ) && $otheruser == $userlist[$i]['cal_login']
? $selected : '' )
. '>' . $userlist[$i]['cal_fullname'] . '</option>';
}
echo $goStr;
}
}
if( ! empty( $otheruser ) ) {
if( $allow_view_other ) {
$typeStr = translate( 'Type' );
echo '<form action="access.php" method="post" name="EditOther">';
print_form_key();
echo '
<input type="hidden" name="guser" value="' . $guser . '">
<input type="hidden" name="otheruser" value="' . $otheruser . '"><br>
<table cellpadding="5">
<tbody>
<tr>
<th class="'
. ( $guser === '__public__'
? 'aligncenter" width="60%">' . translate ( 'Calendar' ) . '</th>
<th class="boxtop boxbottom" width="20%">' . $typeStr . '</th>
<th class="boxtop boxright boxbottom" colspan="3" width="20%">'
. translate ( 'View Event' )
: 'boxtop boxbottom boxleft" width="25%">'
. $otheruser_fullname . '</th>
<th class="boxtop boxbottom" width="15%">' . $typeStr . '</th>
<th class="boxtop boxbottom" colspan="3" width="15%">'
. translate ( 'View' ) . '</th>
<th class="boxtop boxbottom" colspan="3" width="15%">'
. translate ( 'Edit' ) . '</th>
<th class="boxtop boxright boxbottom" colspan="3" width="15%">'
. translate ( 'Approve/Reject' ) ) . '</th>
</tr>';
$access_type = [
'',
translate( 'Events' ),
translate( 'Tasks' ),
'',
translate( 'Journals' )];
for( $j = 1; $j < 5; $j++ ) {
$bottomedge = '';
if( $j == 3 )
continue;
$j8 = $j * 8;
$j64 = $j * 64;
echo '
<tr>
<td class="boxleft leftpadded' . ( $j > 3 ? ' boxbottom' : '' )
. '"><input class="form-control-sm" type="checkbox" value="Y" name=';
if( $j == 1 )
echo '"invite"'
. ( ! empty( $op['invite'] ) && $op['invite'] == 'N' ? '' : $checked )
. '>' . translate( 'Can Invite' );
elseif( $j == 2 )
echo '"email"'
. ( ! empty( $op['email'] ) && $op['email'] == 'N' ? '' : $checked )
. '>' . translate( 'Can Email' );
else {
echo '"time"'
. ( ! empty( $op['time'] ) && $op['time'] == 'Y' ? $checked : '' )
. ' onclick="enableAll( this.checked );">'
. translate( 'Can See Time Only' );
$bottomedge = 'boxbottom';
}
echo '</td>
<td class="aligncenter boxleft ' . $bottomedge . '">'
. $access_type[$j] . '</td>
<td class="aligncenter boxleft pub ' . $bottomedge . '">'
. '<input class="form-control-sm" type="checkbox" value="' . $j . '" name="v_' . $j . '"'
. ( ! empty( $op['view'] ) && ( $op['view'] & $j ) ? $checked : '' )
. '></td>
<td class="conf ' . $bottomedge . '"><input class="form-control-sm" type="checkbox" value="'
. $j8 . '" name="v_' . $j8 . '"'
. ( ! empty( $op['view'] ) && ( $op['view'] & $j8 )
? $checked : '' ) . '></td>
<td class="priv ' . $bottomedge . '"><input class="form-control-sm" type="checkbox" value="'
. $j64 . '" name="v_' . $j64 . '"'
. ( ! empty( $op['view'] ) && ( $op['view'] & $j64 )
? $checked : '' ) . '></td>'
. ( $guser != '__public__' ? '
<td class="aligncenter boxleft pub ' . $bottomedge . '"><input '
. 'class="form-control-sm" type="checkbox" value="' . $j . '" name="e_' . $j . '"'
. ( ! empty( $op['edit'] ) && ( $op['edit'] & $j ) ? $checked : '' )
. '></td>
<td class="conf ' . $bottomedge . '"><input class="form-control-sm" type="checkbox" value="'
. $j8 . '" name="e_' . $j8 . '"'
. ( ! empty( $op['edit'] ) && ( $op['edit'] & $j8 )
? $checked : '' ) . '></td>
<td class="priv ' . $bottomedge . '"><input class="form-control-sm" type="checkbox" value="'
. $j64 . '" name="e_' . $j64 . '"'
. ( ! empty( $op['edit'] ) && ( $op['edit'] & $j64 )
? $checked : '' ) . '></td>
<td class="aligncenter boxleft pub ' . $bottomedge . '"><input '
. 'class="form-control-sm" type="checkbox" value="' . $j . '" name="a_' . $j . '"'
. ( ! empty( $op['approve'] ) && ( $op['approve'] & $j )
? $checked : '' ) . '></td>
<td class="conf ' . $bottomedge . '"><input class="form-control-sm" type="checkbox" value="'
. $j8 . '" name="a_' . $j8 . '"'
. ( ! empty( $op['approve'] ) && ( $op['approve'] & $j8 )
? $checked : '' ) . '></td>
<td class="boxright priv ' . $bottomedge
. '"><input class="form-control-sm" type="checkbox" value="' . $j64 . '" name="a_' . $j64
. '"' . ( ! empty( $op['approve'] ) && ( $op['approve'] & $j64 )
? $checked : '' ) . '></td>'
: '' ) . '
</tr>';
}
echo '
<tr>
<td colspan="2" class="boxleft alignright">'
. ( $otheruser !== '__default__' && $otheruser !== '__public__' ? '
<button class="btn btn-secondary" type="button" '
. 'onclick="selectAll(63);">'
. translate ( 'Assistant' ) . '</button>'
: '' ) . '
<button class="btn btn-secondary" type="button" '
. 'onclick="selectAll(256);">' . translate ( 'Select All' ) . '</button>
<button class="btn btn-secondary" type="button" '
. 'onclick="selectAll(0);">' . translate ( 'Clear All' ) . '</button>
</td>
<td colspan="9" class="boxright">
<table class="aligncenter" cellpadding="5" cellspacing="2">
<tr>
<td class="pub">' . translate( 'Public' ) . '</td>
<td class="conf">' . translate( 'Confidential' ) . '</td>
<td class="priv">' . translate( 'Private' ) . '</td>
</tr>
</table>
</td>
</tr>';
}
echo '
<tr>
<td colspan="11" class="boxleft boxbottom boxright">
<button class="btn btn-secondary" type="submit">'
. $undoStr . '</button>
<button class="btn btn-primary" name="submit" type="submit">'
. $saveStr . '</button>
</td>
</tr>
</tbody>
</table>
</form>';
}
echo print_trailer();
/**
* get_list_of_users
*
* @param string $user
*
* @global string $is_admin
* @global string $is_nonuser_admin
*
* @return array of users that the specified user can see.
*/
function get_list_of_users( $user ) {
global $is_admin, $is_nonuser_admin;
$u = get_my_users( $user, 'view' );
if( $is_admin || $is_nonuser_admin ) {
// Get public NUCs also.
$nonusers = get_my_nonusers( $user, true );
$u = array_merge( $nonusers, $u );
}
return $u;
}
?>