From de7c0f7d79ef37400671c5013d974ab04060daf7 Mon Sep 17 00:00:00 2001
From: zlolz <zlolz@users.noreply.github.com>
Date: Sun, 12 Jun 2016 00:17:44 +0000
Subject: [PATCH] Add System Info and System Control (foundation)

---
 README.md              |   7 +-
 dist/css/custom.css    |   7 +-
 includes/functions.php | 170 +++++++++++++++++++++++++++++++----------
 index.php              |   6 ++
 4 files changed, 142 insertions(+), 48 deletions(-)

diff --git a/README.md b/README.md
index 4f27261b..68c55dfb 100644
--- a/README.md
+++ b/README.md
@@ -43,12 +43,7 @@ So what I have done is added the `www-data` user to the sudoers file, but with r
 Add the following to the end of  `/etc/sudoers`: 
 
 ```sh
-www-data ALL=(ALL) NOPASSWD:/sbin/ifdown wlan0,/sbin/ifup wlan0,/bin/cat
-/etc/wpa_supplicant/wpa_supplicant.conf,/bin/cp /tmp/wifidata 
-/etc/wpa_supplicant/wpa_supplicant.conf,/sbin/wpa_cli scan_results,
-/sbin/wpa_cli scan,/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf,
-/etc/init.d/hostapd start,/etc/init.d/hostapd stop,/etc/init.d/dnsmasq start,
-/etc/init.d/dnsmasq stop,/bin/cp /tmp/dhcpddata /etc/dnsmasq.conf
+www-data ALL=(ALL) NOPASSWD:/sbin/ifdown wlan0,/sbin/ifup wlan0,/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf,/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf,/sbin/wpa_cli scan_results, /sbin/wpa_cli scan,/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf, /etc/init.d/hostapd start,/etc/init.d/hostapd stop,/etc/init.d/dnsmasq start, /etc/init.d/dnsmasq stop,/bin/cp /tmp/dhcpddata /etc/dnsmasq.conf, /sbin/shutdown -h now, /sbin/reboot
 ```
 
 Once those modifications are done, git clone the files to `/var/www`.
diff --git a/dist/css/custom.css b/dist/css/custom.css
index ea237b1d..72498bce 100644
--- a/dist/css/custom.css
+++ b/dist/css/custom.css
@@ -27,4 +27,9 @@
 .btn-primary:hover {
 	background-color: #c61931;
 	border-color: #c61931;
-}
\ No newline at end of file
+}
+
+.info-item {
+	width: 160px;
+	float: left;
+}
diff --git a/includes/functions.php b/includes/functions.php
index 9354c554..325dbb14 100755
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -161,50 +161,53 @@ function DisplayDashboard(){
 	            <div class="panel-body">
 	            	<p><?php echo $status; ?></p>
 	                <div class="row">
-	                    <div class="col-md-6">
-	                        <div class="panel panel-default">
-		                        <div class="panel-body">
-		                        <h4>Interface Information</h4>
-		                        Interface Name : wlan0<br />
-								IP Address : <?php echo $strIPAddress ?><br />
-								Subnet Mask : <?php echo $strNetMask ?><br />
-								Mac Address : <?php echo $strHWAddress ?><br />
+	                    	<div class="col-md-6">
+	                    	<div class="panel panel-default">
+		            	<div class="panel-body">
+		                	<h4>Interface Information</h4>
+					<div class="info-item">Interface Name</div> wlan0</br>
+					<div class="info-item">IP Address</div>     <?php echo $strIPAddress ?></br>
+					<div class="info-item">Subnet Mask</div>    <?php echo $strNetMask ?></br>
+					<div class="info-item">Mac Address</div>    <?php echo $strHWAddress ?></br></br>
 
-		                        <h4>Interface Statistics</h4>
-		                        Received Packets : <?php echo $strRxPackets ?><br />
-								Received Bytes : <?php echo $strRxBytes ?><br /><br />
-								Transferred Packets : <?php echo $strTxPackets ?><br />
-								Transferred Bytes : <?php echo $strTxBytes ?><br />
-								</div><!-- /.panel-body -->
-							</div><!-- /.panel-default -->
-	                    </div><!-- /.col-md-6 -->
+		                	<h4>Interface Statistics</h4>
+					<div class="info-item">Received Packets</div>    <?php echo $strRxPackets ?></br>
+					<div class="info-item">Received Bytes</div>      <?php echo $strRxBytes ?></br></br>
+					<div class="info-item">Transferred Packets</div> <?php echo $strTxPackets ?></br>
+					<div class="info-item">Transferred Bytes</div>   <?php echo $strTxBytes ?></br>
+				</div><!-- /.panel-body -->
+				</div><!-- /.panel-default -->
+	                    	</div><!-- /.col-md-6 -->
 
-	                    <div class="col-md-6">
-	                        <div class="panel panel-default">
-		                        <div class="panel-body wireless">
+				<div class="col-md-6">
+	                	<div class="panel panel-default">
+		        	<div class="panel-body wireless">
 	                        	<h4>Wireless Information</h4>
-	                        	Connected To : <?php echo $strSSID ?><br />
-								AP Mac Address : <?php echo $strBSSID ?><br />
-								Bitrate : <?php echo $strBitrate ?><br />
-								Transmit Power : <?php echo $strTxPower ?><br />
-								Frequency : <?php echo $strFrequency ?><br />
-								Link Quality : 
-								<div class="progress">
-								  <div class="progress-bar progress-bar-info progress-bar-striped active" role="progressbar" aria-valuenow="<?php echo $strLinkQuality ?>" aria-valuemin="0" aria-valuemax="100" style="width: <?php echo $strLinkQuality ?>%;">
-								    <?php echo $strLinkQuality ?>%
-								  </div>
-								</div>
-								Signal Level :
-								<div class="progress">
-								  <div class="progress-bar progress-bar-info progress-bar-striped active" role="progressbar" aria-valuenow="<?php echo $strSignalLevel ?>" aria-valuemin="0" aria-valuemax="100" style="width: <?php echo $strSignalLevel ?>%;">
-								    <?php echo $strSignalLevel ?>%
-								  </div>
-								</div>
-	                        	</div><!-- /.panel-body -->
-							</div><!-- /.panel-default -->
-
-	                    </div><!-- /.col-md-6 -->
-	                </div>
+					<div class="info-item">Connected To</div>   <?php echo $strSSID ?></br>
+					<div class="info-item">AP Mac Address</div> <?php echo $strBSSID ?></br>
+					<div class="info-item">Bitrate</div>        <?php echo $strBitrate ?></br>
+					<div class="info-item">Transmit Power</div> <?php echo $strTxPower ?></br>
+					<div class="info-item">Frequency</div>      <?php echo $strFrequency ?></br></br>
+					<div class="info-item">Link Quality</div>
+						<div class="progress">
+						<div class="progress-bar progress-bar-info progress-bar-striped active"
+							role="progressbar"
+							aria-valuenow="<?php echo $strLinkQuality ?>" aria-valuemin="0" aria-valuemax="100"
+							style="width: <?php echo $strLinkQuality ?>%;"><?php echo $strLinkQuality ?>%
+						</div>
+						</div>
+					<div class="info-item">Signal Level</div>
+						<div class="progress">
+						<div class="progress-bar progress-bar-info progress-bar-striped active"
+							role="progressbar"
+							aria-valuenow="<?php echo $strSignalLevel ?>" aria-valuemin="0" aria-valuemax="100"
+							style="width: <?php echo $strSignalLevel ?>%;"><?php echo $strSignalLevel ?>%
+						</div>
+						</div>
+				</div><!-- /.panel-body -->
+				</div><!-- /.panel-default -->
+	                    	</div><!-- /.col-md-6 -->
+			</div><!-- /.row -->
 
 	                <div class="col-lg-12">
 			        	 <div class="row">
@@ -982,6 +985,91 @@ function DisplayTorProxyConfig(){
 <?php 
 }
 
+/**
+*
+*
+*/
+function DisplaySystem(){
+
+	// hostname
+	exec("hostname -f", $hostarray);
+	$hostname = $hostarray[0];
+
+	// uptime
+	$uparray = explode(" ", exec("cat /proc/uptime"));
+	$seconds = round($uparray[0], 0);
+	$minutes = $seconds / 60;
+	$hours   = $minutes / 60;
+	$days    = floor($hours / 24);
+	$hours   = sprintf('%d', floor($hours   - ($days * 24)));
+	$minutes = sprintf('%d', floor($minutes - ($days * 24 * 60) - ($hours * 60)));
+	$uptime= '';
+	if ($days != 0){
+		$uptime .= $days . ' day' . (($days > 1)? 's':'') . ' ';
+	}
+	if ($hours != 0){
+		$uptime .= $hours . ' hour' . (($hours > 1)? 's':'') . ' ';
+	}
+	if ($minutes != 0){
+		$uptime .= $minutes . ' minute' . (($minutes > 1)? 's':'' ) . ' ';
+	}
+
+	// mem used
+	exec("free -m | awk '/Mem:/ { total=$2 } /buffers\/cache/ { used=$3 } END { print used/total*100}'", $memarray);
+	$memused = floor($memarray[0]);
+
+	?>
+	<div class="row">
+	<div class="col-lg-12">
+	<div class="panel panel-primary">
+	<div class="panel-heading"><i class="fa fa-circle fa-fw"></i> System</div>
+	<div class="panel-body">
+
+		<?php
+		if (isset($_POST['system_reboot'])) {
+			echo '<div class="alert alert-warning">System Rebooting Now!</div>';
+			$result = shell_exec("sudo /sbin/reboot");
+		}
+		if (isset($_POST['system_shutdown'])) {
+			echo '<div class="alert alert-warning">System Shutting Down Now!</div>';
+			$result = shell_exec("sudo /sbin/shutdown -h now");
+		}
+		?>
+
+		<div class="row">
+		<div class="col-md-6">
+		<div class="panel panel-default">
+		<div class="panel-body">
+			<h4>System Information</h4>
+			<div class="info-item">Hostname</div> <?php echo $hostname ?></br>
+			<div class="info-item">Uptime</div>   <?php echo $uptime ?></br>
+			<div class="info-item">Memory Used</div>
+				<div class="progress">
+				<div class="progress-bar progress-bar-info progress-bar-striped active"
+					role="progressbar"
+					aria-valuenow="<?php echo $memused ?>" aria-valuemin="0" aria-valuemax="100"
+					style="width: <?php echo $memused ?>%;"><?php echo $memused ?>%
+				</div>
+				</div>
+
+		</div><!-- /.panel-body -->
+		</div><!-- /.panel-default -->
+		</div><!-- /.col-md-6 -->
+		</div><!-- /.row -->
+
+		<form action="?page=system_info" method="POST">
+			<input type="submit" class="btn btn-warning" name="system_reboot"   value="Reboot" />
+			<input type="submit" class="btn btn-warning" name="system_shutdown" value="Shutdown" />
+			<input type="button" class="btn btn-outline btn-primary" value="Refresh" onclick="document.location.reload(true)" />
+		</form>
+
+	</div><!-- /.panel-body -->
+	</div><!-- /.panel-primary -->
+	</div><!-- /.col-lg-12 -->
+	</div><!-- /.row -->
+	<?php
+}
+
 /**
 *
 *
diff --git a/index.php b/index.php
index ce05797a..11d4ccab 100755
--- a/index.php
+++ b/index.php
@@ -133,6 +133,9 @@ $page = $_GET['page'];
 	                    <li>
 	                        <a href="index.php?page=admin_conf"><i class="fa fa-dashboard fa-fw"></i> Configure RaspAP</a>
 	                    </li>
+	                    <li>
+	                        <a href="index.php?page=system_info"><i class="fa fa-circle fa-fw"></i> System</a>
+	                    </li>
 	                </ul>
 	            </div><!-- /.navbar-collapse -->
 	        </div><!-- /.navbar-default -->
@@ -176,6 +179,9 @@ $page = $_GET['page'];
 				case "save_hostapd_conf":
 					SaveHostAPDConfig();
 					break;
+				case "system_info":
+					DisplaySystem();
+					break;
 				default:
 					DisplayDashboard();
 				}