From 317db874e7964231ac33b5646cc33b1b400a4f29 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 19 Feb 2016 15:01:56 +0100
Subject: [locations] New module for managing locations

---
 apis/getconfig.inc.php | 56 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 54 insertions(+), 2 deletions(-)

(limited to 'apis/getconfig.inc.php')

diff --git a/apis/getconfig.inc.php b/apis/getconfig.inc.php
index 5d5dbca8..2447d622 100644
--- a/apis/getconfig.inc.php
+++ b/apis/getconfig.inc.php
@@ -1,5 +1,10 @@
 <?php
 
+$ip = $_SERVER['REMOTE_ADDR'];
+if (substr($ip, 0, 7) === '::ffff:') {
+	$ip = substr($ip, 7);
+}
+
 /**
  * Escape given string so it is a valid string in sh that can be surrounded
  * by single quotes ('). This basically turns _'_ into _'"'"'_
@@ -12,13 +17,59 @@ function escape($string)
 	return str_replace("'", "'\"'\"'", $string);
 }
 
+// Location handling: figure out location
+$locationId = false; // TODO: machine specific mapping
+if ($locationId === false) {
+	// Fallback to subnets
+	$locationId = Location::getFromIp($ip);
+}
+$matchingLocations = array();
+if ($locationId !== false) {
+	// Get all parents
+	settype($locationId, 'integer');
+	$locations = Location::getLocationsAssoc();
+	$find = $locationId;
+	while (isset($locations[$find]) && !in_array($find, $matchingLocations)) {
+		$matchingLocations[] = $find;
+		$find = (int)$locations[$find]['parentlocationid'];
+	}
+	echo "SLX_LOCATIONS='" . escape(implode(' ', $matchingLocations)) . "'\n";
+}
+
+$configVars = array();
+// Query location specific settings (from bottom to top)
+if (!empty($matchingLocations)) {
+	// First get all settings for all locations we're in
+	$list = implode(',', $matchingLocations);
+	$res = Database::simpleQuery("SELECT locationid, setting, value FROM setting_location WHERE locationid IN ($list)");
+	$tmp = array();
+	while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
+		$tmp[(int)$row['locationid']][$row['setting']] = $row['value'];
+	}
+	// $matchingLocations contains the location ids sorted from closest to furthest, so we use it to make sure the order
+	// in which they override is correct (closest setting wins, e.g. room setting beats department setting)
+	foreach ($matchingLocations as $lid) {
+		if (!isset($tmp[$lid])) continue;
+		foreach ($tmp[$lid] as $setting => $value) {
+			if (!isset($configVars[$setting])) {
+				$configVars[$setting] = $value;
+			}
+		}
+	}
+	unset($tmp);
+}
+
 // Dump config from DB
 $res = Database::simpleQuery('SELECT setting.setting, setting.defaultvalue, tbl.value
 	FROM setting
 	LEFT JOIN setting_global AS tbl USING (setting)
 	ORDER BY setting ASC'); // TODO: Add setting groups and sort order
 while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
-	if (is_null($row['value'])) $row['value'] = $row['defaultvalue'];
+	if (isset($configVars[$row['setting']])) {
+		$row['value'] = $configVars[$row['setting']];
+	} elseif (is_null($row['value'])) {
+		$row['value'] = $row['defaultvalue'];
+	}
 	echo $row['setting'] . "='" . escape($row['value']) . "'\n";
 }
 
@@ -47,6 +98,7 @@ if (is_array($vmstore)) {
 	}
 }
 
+
 // For quick testing or custom extensions: Include external file that should do nothing
 // more than outputting more key-value-pairs. It's expected in the webroot of slxadmin
-if (file_exists('client_config_additional.php')) @include('client_config_additional.php');
\ No newline at end of file
+if (file_exists('client_config_additional.php')) @include('client_config_additional.php');
-- 
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