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Fabien Potencier 69deaa7bc7 merged branch fabpot/moved_filesystem_3 (PR #7752) 
This PR was submitted for the master branch but it was merged into the 2.1 branch instead (closes #7752).

Discussion
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Filesystem::touch() not working with different owners (utime/atime issue)

This PR was submitted on the symfony/Filesystem read-only repository and moved automatically to the main Symfony repository (closes symfony/Filesystem#3).

Case: I have 2 users, www-data and myself. I have a command script that makes a lock file in /var/lock/.../ something. This command is called from a post request by FOS and ran in the background.  Whever one of the 2 methods (web/cli manually) is used, the other user won't have permissions to use the Filesystem::touch(). The reason this won't work is the second parameter.

What touch() does:
$touch param: The touch time. If time is not supplied, the current system time is used.
$atime param: If present, the access time of the given filename is set to the value of atime. Otherwise, it is set to the value passed to the time parameter. If neither are present, the current system time is used.

So the current code is basically copying this. However, if the second parameter is null it is still present and will cause the same problem. Note that all files and folders related are set to 0777 and have the owner of www-data. I'm accessing them under my own account here:

Interactive shell

php > var_dump(touch('/var/lock/tripolis/ontw/dev/2140191804.lock', null));
PHP Warning:  touch(): Utime failed: Operation not permitted in php shell code on line 1

Warning: touch(): Utime failed: Operation not permitted in php shell code on line 1
bool(false)
php > var_dump(touch('/var/lock/tripolis/ontw/dev/2140191804.lock'));
bool(true)

If I were to pass it without second parameter, let it be time() or null (Filesystem uses time() by default if not present), it DOES work. However, Filesystem::touch() ALWAYS gives a parameter to touch. This parameter is exactly the same value as what the function itself would do in php. Let it be that in my case there is an issue with the atime. I'm not exactly sure how it works but it's not tracked or usable in my case. Because parameter 2 exists, parameter 3 is set. Parameter 3 is not allowed and therefore causes Filesystem::touch() to throw an exception.

Commits
-------

e3a0fe6 Filesystem::touch() not working with different owners (utime/atime issue)
 		2013-04-21 09:19:24 +02:00
src/Symfony Filesystem::touch() not working with different owners (utime/atime issue) 2013-04-21 09:19:24 +02:00
.editorconfig Add EditorConfig File 2012-06-16 14:08:15 +02:00
.gitignore ignore composer.phar 2012-04-20 14:10:06 +01:00
.travis.yml Disabled APC on Travis for PHP 5.5+ as it is not available 2013-04-13 16:35:03 +02:00
CHANGELOG-2.0.md updated CHANGELOG for 2.0.23 2013-03-20 12:15:45 +01:00
CHANGELOG-2.1.md updated CHANGELOG for 2.1.9 2013-03-26 11:42:12 +01:00
CONTRIBUTING.md Making it easier to grab the PR template. 2012-12-15 21:57:27 +00:00
CONTRIBUTORS.md update CONTRIBUTORS for 2.1.9 2013-03-26 11:44:12 +01:00
LICENSE updated license year 2013-01-04 17:59:43 +01:00
README.md Fix typos in README 2013-01-19 11:32:41 +01:00
UPGRADE-2.1.md info about session namespace 2012-11-19 17:25:14 +01:00
autoload.php.dist Removed the unnecessary file include 2012-08-31 13:16:54 +02:00
composer.json Defined stable version point of Doctrine. 2013-02-22 13:53:49 -05:00
phpunit.xml.dist [Locale] Fixed tests 2012-09-24 10:11:13 +02:00

README.md

README

What is Symfony2?

Symfony2 is a PHP 5.3 full-stack web framework. It is written with speed and flexibility in mind. It allows developers to build better and easy to maintain websites with PHP.

Symfony can be used to develop all kind of websites, from your personal blog to high traffic ones like Dailymotion or Yahoo! Answers.

Requirements

Symfony2 is only supported on PHP 5.3.3 and up.

Be warned that PHP versions before 5.3.8 are known to be buggy and might not work for you:

Installation

The best way to install Symfony2 is to download the Symfony Standard Edition available at http://symfony.com/download.

Documentation

The "Quick Tour" tutorial gives you a first feeling of the framework. If, like us, you think that Symfony2 can help speed up your development and take the quality of your work to the next level, read the official Symfony2 documentation.

Contributing

Symfony2 is an open source, community-driven project. If you'd like to contribute, please read the Contributing Code part of the documentation. If you're submitting a pull request, please follow the guidelines in the Submitting a Patch section and use Pull Request Template.

Running Symfony2 Tests

Information on how to run the Symfony2 test suite can be found in the Running Symfony2 Tests section.