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Add support for the <acl> property.

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This commit is contained in:
Andrew McMillan 2009-12-26 00:13:51 +13:00
parent 3b1bc5208b
commit 7e4b8c33c3
1 changed files with 61 additions and 1 deletions
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62
inc/DAVResource.php
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@ -347,6 +347,7 @@ EOSQL;
$this->collection->type = 'root';
$this->collection->exists = true;
$this->collection->displayname = $c->system_name;
$this->collection->default_privileges = (1 | 16 | 32);
}
else {
dbg_error_log( 'DAVResource', 'No collection for path "%s".', $this->dav_name );
@ -455,7 +456,7 @@ EOQRY;
global $session;
if ( $this->dav_name == '/' || $this->dav_name == '' ) {
$this->privileges = 1; // read
$this->privileges = (1 | 16 | 32); // read + read-acl + read-current-user-privilege-set
dbg_error_log( 'DAVResource', 'Read permissions for user accessing /' );
return;
}
@ -834,6 +835,61 @@ EOQRY;
}
/**
* Return ACL settings
*/
function GetACL( &$xmldoc ) {
global $c, $session;
if ( !isset($this->principal) ) $this->FetchPrincipal();
$default_privs = $this->principal->default_privileges;
if ( isset($this->collection->default_privileges) ) $default_privs = $this->collection->default_privileges;
$acl = array();
$privilege_names = bits_to_privilege($default_privs);
$privileges = array();
foreach( $privilege_names AS $k ) {
$privilege = new XMLElement('privilege');
if ( isset($xmldoc) )
$xmldoc->NSElement($privilege,$k);
else
$privilege->NewElement($k);
$privileges[] = $privilege;
}
$acl[] = new XMLElement('ace', array(
new XMLElement('principal', new XMLElement('authenticated')),
new XMLElement('grant', $privileges ) )
);
$qry = new AwlQuery('SELECT dav_principal.dav_name, grants.* FROM grants JOIN dav_principal ON (to_principal=principal_id) WHERE by_collection = :collection_id OR by_principal = :principal_id ORDER BY by_collection',
array( ':collection_id' => $this->collection->collection_id, ':principal_id' => $this->principal->principal_id ) );
if ( $qry->Exec('DAVResource') && $qry->rows() > 0 ) {
$by_collection = null;
while( $grant = $qry->Fetch() ) {
if ( !isset($by_collection) ) $by_collection = isset($grant->by_collection);
if ( $by_collection && !isset($grant->by_collection) ) break;
$privilege_names = bits_to_privilege($grant->privileges);
$privileges = array();
foreach( $privilege_names AS $k ) {
$privilege = new XMLElement('privilege');
if ( isset($xmldoc) )
$xmldoc->NSElement($privilege,$k);
else
$privilege->NewElement($k);
$privileges[] = $privilege;
}
$acl[] = new XMLElement('ace', array(
new XMLElement('principal', $xmldoc->href(ConstructURL($grant->dav_name))),
new XMLElement('grant', $privileges ) )
);
}
}
return $acl;
}
/**
* Return general server-related properties, in plain form
*/
@ -1051,6 +1107,10 @@ EOQRY;
$reply->NSElement($prop, $tag, $address_data );
break;
case 'DAV::acl':
$reply->NSElement($prop, $tag, $this->GetACL( $reply ) );
break;
default:
$property_value = $this->GetProperty(preg_replace('{^.*:}', '', $tag));
if ( isset($property_value) ) {