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add Phar->isWritable() for detecting whether a phar archive can be written to based on phar.readonly combined with actual file permissions

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[DOC]
This commit is contained in:
Greg Beaver 2008-04-10 03:32:10 +00:00
parent 1c3097fcbe
commit 06df9bff83
2 changed files with 50 additions and 0 deletions
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23
ext/phar/phar_object.c
View File

@ -2094,6 +2094,28 @@ PHP_METHOD(Phar, isCompressed)
}
/* }}} */
/* {{{ proto bool Phar::isWritable()
* Returns true if phar.readonly=0 or phar is a PharData AND the actual file is writable.
*/
PHP_METHOD(Phar, isWritable)
{
php_stream_statbuf ssb;
PHAR_ARCHIVE_OBJECT();
if (!phar_obj->arc.archive->is_writeable) {
RETURN_FALSE;
}
if (SUCCESS != php_stream_stat_path(phar_obj->arc.archive->fname, &ssb)) {
if (phar_obj->arc.archive->is_brandnew) {
/* assume it works if the file doesn't exist yet */
RETURN_TRUE;
}
RETURN_FALSE;
}
RETURN_BOOL((ssb.sb.st_mode & (S_IWOTH | S_IWGRP | S_IWUSR)) != 0);
}
/* }}} */
/* {{{ proto bool Phar::delete(string entry)
* Deletes a named file within the archive.
*/
@ -3925,6 +3947,7 @@ zend_function_entry php_archive_methods[] = {
PHP_ME(Phar, hasMetadata, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Phar, isBuffering, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Phar, isCompressed, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Phar, isWritable, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Phar, isPhar, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Phar, isTar, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Phar, isZip, NULL, ZEND_ACC_PUBLIC)

27
ext/phar/tests/phar_oo_iswriteable.phpt
View File

@ -8,6 +8,7 @@ phar.require_hash=0
--FILE--
<?php
$fname = dirname(__FILE__) . '/' . basename(__FILE__, '.php') . '.1.phar.php';
$fname2 = dirname(__FILE__) . '/' . basename(__FILE__, '.php') . '.tar';
$pname = 'phar://hio';
$file = '<?php include "' . $pname . '/a.php"; __HALT_COMPILER(); ?>';
@ -17,6 +18,9 @@ $files['dir/'] = '';
$hasdir = 1;
include 'files/phar_test.inc';
$a = new Phar($fname);
$b = new PharData($fname2);
$b['test'] = 'hi';
var_dump($a['a.php']->isWritable());
var_dump($a['a.php']->isReadable());
$a['a.php']->chmod(000);
@ -34,10 +38,26 @@ clearstatcache();
var_dump($a['a.php']->isWritable());
var_dump($a['a.php']->isReadable());
?>
archive
<?php
ini_set('phar.readonly',0);
clearstatcache();
var_dump($a->isWritable());
var_dump($b->isWritable());
ini_set('phar.readonly',1);
clearstatcache();
var_dump($a->isWritable());
var_dump($b->isWritable());
chmod($fname2, 000);
clearstatcache();
var_dump($a->isWritable());
var_dump($b->isWritable());
?>
===DONE===
--CLEAN--
<?php
unlink(dirname(__FILE__) . '/' . basename(__FILE__, '.clean.php') . '.1.phar.php');
unlink(dirname(__FILE__) . '/' . basename(__FILE__, '.clean.php') . '.tar');
?>
--EXPECT--
bool(true)
@ -50,4 +70,11 @@ bool(false)
bool(true)
bool(true)
bool(true)
archive
bool(true)
bool(true)
bool(false)
bool(true)
bool(false)
bool(false)
===DONE===