From 13ada6d850f2d6be01481538751ebe2a6c6f3e19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20=C3=85kre=20Solberg?= <andreas.solberg@uninett.no>
Date: Tue, 20 Jan 2009 08:50:24 +0000
Subject: [PATCH] Adding logpeek module that allows read access to log file
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1174 44740490-163a-0410-bde0-09ae8108e29a
---
.../config-templates/module_logpeek.php | 13 ++++
modules/logpeek/default-disable | 0
modules/logpeek/hooks/hook_frontpage.php | 17 +++++
modules/logpeek/templates/default/logpeek.php | 28 +++++++++
modules/logpeek/www/index.php | 62 +++++++++++++++++++
5 files changed, 120 insertions(+)
create mode 100644 modules/logpeek/config-templates/module_logpeek.php
create mode 100644 modules/logpeek/default-disable
create mode 100644 modules/logpeek/hooks/hook_frontpage.php
create mode 100644 modules/logpeek/templates/default/logpeek.php
create mode 100644 modules/logpeek/www/index.php
diff --git a/modules/logpeek/config-templates/module_logpeek.php b/modules/logpeek/config-templates/module_logpeek.php
new file mode 100644
index 000000000..89255736d
--- /dev/null
+++ b/modules/logpeek/config-templates/module_logpeek.php
@@ -0,0 +1,13 @@
+<?php
+/*
+ * Configuration for the module logpeek.
+ *
+ * $Id $
+ */
+
+$config = array (
+ 'logfile' => '/var/log/simplesamlphp.log',
+ 'lines' => 1500,
+);
+
+?>
diff --git a/modules/logpeek/default-disable b/modules/logpeek/default-disable
new file mode 100644
index 000000000..e69de29bb
diff --git a/modules/logpeek/hooks/hook_frontpage.php b/modules/logpeek/hooks/hook_frontpage.php
new file mode 100644
index 000000000..96af12acf
--- /dev/null
+++ b/modules/logpeek/hooks/hook_frontpage.php
@@ -0,0 +1,17 @@
+<?php
+/**
+ * Hook to add the logpeek module to the frontpage.
+ *
+ * @param array &$links The links on the frontpage, split into sections.
+ */
+function logpeek_hook_frontpage(&$links) {
+ assert('is_array($links)');
+ assert('array_key_exists("links", $links)');
+
+ $links['links'][] = array(
+ 'href' => SimpleSAML_Module::getModuleURL('logpeek/'),
+ 'text' => array('en' => 'SimpleSAMLphp logs access (Log peek)', 'no' => 'Vis simpleSAMLphp log'),
+ );
+
+}
+?>
\ No newline at end of file
diff --git a/modules/logpeek/templates/default/logpeek.php b/modules/logpeek/templates/default/logpeek.php
new file mode 100644
index 000000000..c89f80a70
--- /dev/null
+++ b/modules/logpeek/templates/default/logpeek.php
@@ -0,0 +1,28 @@
+<?php
+$this->data['header'] = 'Log peek';
+$this->includeAtTemplateBase('includes/header.php');
+
+
+?>
+<div id="content">
+
+<h2>SimpleSAMLphp logs (admin utility)</h2>
+
+<form method="get" action="?">
+ <input type="text" name="tag" value="<?php echo $this->data['trackid']; ?>" />
+ <input type="submit" value="Show logs" />
+</form>
+
+
+<pre style="background: #eee; border: 1px solid #666; padding: 1em; margin: .4em; overflow: scroll">
+<?php
+
+if (!empty($this->data['results'])) {
+ foreach($this->data['results'] AS $line) {
+ echo $line;
+ }
+}
+
+?>
+</pre>
+<?php $this->includeAtTemplateBase('includes/footer.php'); ?>
\ No newline at end of file
diff --git a/modules/logpeek/www/index.php b/modules/logpeek/www/index.php
new file mode 100644
index 000000000..d1bd15adb
--- /dev/null
+++ b/modules/logpeek/www/index.php
@@ -0,0 +1,62 @@
+<?php
+
+
+$config = SimpleSAML_Configuration::getInstance();
+$session = SimpleSAML_Session::getInstance();
+
+if (!$session->isValid('login-admin') ) {
+ SimpleSAML_Utilities::redirect('/' . $config->getBaseURL() . 'auth/login-admin.php',
+ array('RelayState' => SimpleSAML_Utilities::selfURL())
+ );
+}
+
+
+$logpeekconfig = $config->copyFromBase('logpeek', 'module_logpeek.php');
+
+$logfile = $logpeekconfig->getValue('logfile', '/var/simplesamlphp.log');
+
+function grepLog($logfile, $tag, $lines) {
+
+ if (!is_readable($logfile)) throw new Exception('Log file [' . $logfile . '] is not readable. Consider checking the file permissions');
+ if (!preg_match('/^[a-f0-9]{10}$/', $tag)) throw new Exception('Invalid search tag');
+
+ $results = array();
+ $i=0 ;
+ $line = '';
+ $fp = fopen($logfile,"r") ;
+ if(is_resource($fp)){
+ fseek($fp,0,SEEK_END) ;
+ $a = ftell($fp) ;
+ while($i <= $lines){
+ if(fgetc($fp) == "\n"){
+ $line = fgets($fp);
+ $i++ ;
+ if (strstr($line, '[' . $tag . ']'))
+ $results[] = $line;
+ }
+ fseek($fp,$a);
+ $a-- ;
+ }
+ }
+
+ $results[] = 'Start search line (' . $lines . ' lines back): ' . substr($line,0,40) . '...';
+ $results = array_reverse($results);
+ return $results;
+}
+
+$results = NULL;
+if (isset($_REQUEST['tag'])) {
+ $results = grepLog($logfile, $_REQUEST['tag'], $logpeekconfig->getValue('lines', 500));
+// echo('<pre>log:');
+// print_r($results);
+}
+
+
+
+$t = new SimpleSAML_XHTML_Template($config, 'logpeek:logpeek.php');
+$t->data['results'] = $results;
+$t->data['trackid'] = $session->getTrackID();
+$t->show();
+exit;
+
+?>
--
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