MyShaarli/application/ApplicationUtils.php
VirtualTam 2e28269bae install: check file/directory permissions for Shaarli resources
Relates to #40
Relates to #372

Additions:
 - FileUtils: IOException
 - ApplicationUtils:
   - check if Shaarli resources are accessible with sufficient permissions
   - basic test coverage
 - index.php:
   - check access permissions and redirect to an error page if needed:
     - before running the first installation

Modifications:
 - LinkDB:
   - factorize datastore write code
   - check if the datastore
     (exists AND is writeable) OR (doesn't exist AND its parent dir is writable)
   - raise an IOException if needed

Signed-off-by: VirtualTam <virtualtam@flibidi.net>
2015-11-24 01:12:35 +01:00

69 lines
2 KiB
PHP

<?php
/**
* Shaarli (application) utilities
*/
class ApplicationUtils
{
/**
* Checks Shaarli has the proper access permissions to its resources
*
* @param array $globalConfig The $GLOBALS['config'] array
*
* @return array A list of the detected configuration issues
*/
public static function checkResourcePermissions($globalConfig)
{
$errors = array();
// Check script and template directories are readable
foreach (array(
'application',
'inc',
'plugins',
$globalConfig['RAINTPL_TPL']
) as $path) {
if (! is_readable(realpath($path))) {
$errors[] = '"'.$path.'" directory is not readable';
}
}
// Check cache and data directories are readable and writeable
foreach (array(
$globalConfig['CACHEDIR'],
$globalConfig['DATADIR'],
$globalConfig['PAGECACHE'],
$globalConfig['RAINTPL_TMP']
) as $path) {
if (! is_readable(realpath($path))) {
$errors[] = '"'.$path.'" directory is not readable';
}
if (! is_writable(realpath($path))) {
$errors[] = '"'.$path.'" directory is not writable';
}
}
// Check configuration files are readable and writeable
foreach (array(
$globalConfig['CONFIG_FILE'],
$globalConfig['DATASTORE'],
$globalConfig['IPBANS_FILENAME'],
$globalConfig['LOG_FILE'],
$globalConfig['UPDATECHECK_FILENAME']
) as $path) {
if (! is_file(realpath($path))) {
# the file may not exist yet
continue;
}
if (! is_readable(realpath($path))) {
$errors[] = '"'.$path.'" file is not readable';
}
if (! is_writable(realpath($path))) {
$errors[] = '"'.$path.'" file is not writable';
}
}
return $errors;
}
}