Some sanity check for the statistics module, whether directory and input file...

Some sanity check for the statistics module, whether directory and input file exists and is writable

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@996 44740490-163a-0410-bde0-09ae8108e29a

modules/statistics/hooks/hook_sanitycheck.php

+<?php
+/**
+ * Hook to do santity checks
+ *
+ * @param array &$hookinfo  hookinfo
+ */
+function statistics_hook_sanitycheck(&$hookinfo) {
+	assert('is_array($hookinfo)');
+	assert('array_key_exists("errors", $hookinfo)');
+	assert('array_key_exists("info", $hookinfo)');
+
+	try {
+		$config = SimpleSAML_Configuration::getInstance();
+		$statconfig = $config->copyFromBase('statconfig', 'statistics.php');
+	} catch(Exception $e) {
+		$hookinfo['errors'][] = '[statistics] Could not get configuration: ' . $e->getMessage(); return;
+	}
+
+	$statdir = $statconfig->getValue('statdir');
+	$inputfile = $statconfig->getValue('inputfile');
+
+	if (file_exists($statdir)) {
+		$hookinfo['info'][] = '[statistics] Statistics dir [' . $statdir . '] exists';
+		if (is_writable($statdir)) {
+			$hookinfo['info'][] = '[statistics] Statistics dir [' . $statdir . '] is writable';
+		} else {
+			$hookinfo['errors'][] = '[statistics] Statistics dir [' . $statdir . '] is not writable';
+		}
+	} else {
+		$hookinfo['errors'][] = '[statistics] Statistics dir [' . $statdir . '] does not exists';
+	}
+
+
+	if (file_exists($inputfile)) {
+		$hookinfo['info'][] = '[statistics] Input file [' . $inputfile . '] exists';
+	} else {
+		$hookinfo['errors'][] = '[statistics] Input file [' . $inputfile . '] does not exists';
+	}
+}
+?>
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