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Rewrite e_file_inspector implementation: Use SQLite phar

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This commit is contained in:
Nick Liu
2020-03-21 19:27:59 -05:00
parent 84081c3d3d
commit 0e7ad8a1b0
6 changed files with 167 additions and 95 deletions
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41
e107_handlers/e_file_inspector.php
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@@ -9,6 +9,11 @@
require_once("e_file_inspector_interface.php");
/**
* File Inspector
*
* Tool to validate application files for consistency by comparing hashes of files with those in a database
*/
abstract class e_file_inspector implements e_file_inspector_interface
{
/**
@@ -16,12 +21,13 @@ abstract class e_file_inspector implements e_file_inspector_interface
*
* @param $path string Relative path of the file to look up
* @param $version string The desired software release to match.
* Leave blank for the latest version.
* Leave blank for the current version.
* Do not prepend the version number with "v".
* @return int Validation code (see the constants of this class)
*/
public function validate($path, $version = null)
{
if ($version === null) $version = $this->getCurrentVersion();
$absolutePath = realpath($path);
$actualChecksum = $this->checksumPath($absolutePath);
$dbChecksum = $this->getChecksum($path, $version);
@@ -47,12 +53,13 @@ abstract class e_file_inspector implements e_file_inspector_interface
*
* @param $path string Relative path of the file to look up
* @param $version string The software release version corresponding to the file hash.
* Leave blank for the latest version.
* Leave blank for the current version.
* Do not prepend the version number with "v".
* @return string|bool The database hash for the path and version specified. FALSE if the record does not exist.
*/
public function getChecksum($path, $version = null)
{
if ($version === null) $version = $this->getCurrentVersion();
$checksums = $this->getChecksums($path);
return isset($checksums[$version]) ? $checksums[$version] : false;
}
@@ -81,7 +88,26 @@ abstract class e_file_inspector implements e_file_inspector_interface
return md5(str_replace(array(chr(13),chr(10)), "", $content));
}
/**
/**
* @inheritDoc
*/
public function getVersions($path)
{
return array_keys($this->getChecksums($path));
}
/**
* @inheritDoc
*/
public function getCurrentVersion()
{
$checksums = $this->getChecksums("index.php");
$versions = array_keys($checksums);
usort($versions, 'version_compare');
return array_pop($versions);
}
/**
* Get the matching version of the provided path
*
* Useful for looking up the versions of old files that no longer exist in the latest image
@@ -98,4 +124,13 @@ abstract class e_file_inspector implements e_file_inspector_interface
}
return false;
}
/**
* @inheritDoc
*/
public function isInsecure($path)
{
# TODO
return false;
}
}