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weathermap

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<?php

$guest_account = true;

chdir('../../');
include_once("./include/auth.php");
// include_once("./include/config.php");

// include the weathermap class so that we can get the version
include_once(dirname(__FILE__)."/Weathermap.class.php");

$action = "";
if (isset($_POST['action'])) {
        $action = $_POST['action'];
} else if (isset($_GET['action'])) {
        $action = $_GET['action'];
}

switch($action)
{
case 'viewthumb': // FALL THROUGH
case 'viewimage':
        $id = -1;

        if( isset($_REQUEST['id']) && (!is_numeric($_REQUEST['id']) || strlen($_REQUEST['id'])==20) )
        {
                $id = weathermap_translate_id($_REQUEST['id']);
        }
        
        if( isset($_REQUEST['id']) && is_numeric($_REQUEST['id']) )
        {
                $id = intval($_REQUEST['id']);
        }
        
        if($id >=0)
        {
                $imageformat = strtolower(read_config_option("weathermap_output_format"));
                
                $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
                $map = db_fetch_assoc("select weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) and weathermap_maps.id=".$id);
                
                if(sizeof($map))
                {
                        $imagefile = dirname(__FILE__).'/output/'.'/'.$map[0]['filehash'].".".$imageformat;
                        if($action == 'viewthumb') $imagefile = dirname(__FILE__).'/output/'.$map[0]['filehash'].".thumb.".$imageformat;
                        
                        $orig_cwd = getcwd();
                        chdir(dirname(__FILE__));

                        header('Content-type: image/png');
                        
                        // readfile_chunked($imagefile);
                        readfile($imagefile);
                                        
                        dir($orig_cwd); 
                }
                else
                {
                        // no permission to view this map
                }

        }
        
        break;

case 'liveviewimage':
        $id = -1;

        if( isset($_REQUEST['id']) && (!is_numeric($_REQUEST['id']) || strlen($_REQUEST['id'])==20) )
        {
                $id = weathermap_translate_id($_REQUEST['id']);
        }

        if( isset($_REQUEST['id']) && is_numeric($_REQUEST['id']) )
        {
                $id = intval($_REQUEST['id']);
        }
        
        if($id >=0)
        {
                $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
                $map = db_fetch_assoc("select weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) and weathermap_maps.id=".$id);
                
                if(sizeof($map))
                {
                
                $mapfile = dirname(__FILE__).'/configs/'.'/'.$map[0]['configfile'];
                $orig_cwd = getcwd();
                chdir(dirname(__FILE__));

                header('Content-type: image/png');

                $map = new WeatherMap;
                $map->context = '';
                        // $map->context = "cacti";
                        $map->rrdtool  = read_config_option("path_rrdtool");
                $map->ReadConfig($mapfile);
                $map->ReadData();
                $map->DrawMap('','',250,TRUE,FALSE);
                dir($orig_cwd); 
                }

        }
        
        break;
case 'liveview':
        include_once($config["base_path"]."/include/top_graph_header.php");
        print "<div id=\"overDiv\" style=\"position:absolute; visibility:hidden; z-index:1000;\"></div>\n";
        print "<script type=\"text/javascript\" src=\"overlib.js\"><!-- overLIB (c) Erik Bosrup --></script> \n";
        
        $id = -1;

        if( isset($_REQUEST['id']) && (!is_numeric($_REQUEST['id']) || strlen($_REQUEST['id'])==20) )
        {
                $id = weathermap_translate_id($_REQUEST['id']);
        }

        if( isset($_REQUEST['id']) && is_numeric($_REQUEST['id']) )
        {
                $id = intval($_REQUEST['id']);
        }
        
        if($id >=0)
        {
                $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
                $map = db_fetch_assoc("select weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) and weathermap_maps.id=".$id);

                if(sizeof($map))
                {               
                        $maptitle = $map[0]['titlecache'];
                        
                        html_graph_start_box(1,true);
        ?>
<tr bgcolor="<?php print $colors["panel"];?>"><td><table width="100%" cellpadding="0" cellspacing="0"><tr><td class="textHeader" nowrap><?php print $maptitle; ?></td></tr></table></td></tr>
<?php
                        print "<tr><td>";               
                                        
                        # print "Generating map $id here now from ".$map[0]['configfile'];
                        
                        $confdir = dirname(__FILE__).'/configs/';
                        // everything else in this file is inside this else
                        $mapname = $map[0]['configfile'];
                        $mapfile = $confdir.'/'.$mapname;        
        
                        $orig_cwd = getcwd();
                        chdir(dirname(__FILE__));       
        
                        $map = new WeatherMap;
                        // $map->context = "cacti";
                        $map->rrdtool  = read_config_option("path_rrdtool");
                        print "<pre>";
                        $map->ReadConfig($mapfile);
                        $map->ReadData();
                        $map->DrawMap('null');          
                        $map->PreloadMapHTML();
                        print "</pre>";
                        print "";
                        print "<img src='?action=liveviewimage&id=$id' />\n";
                        print $map->imap->subHTML("LEGEND:");
                        print $map->imap->subHTML("TIMESTAMP");
                        print $map->imap->subHTML("NODE:");
                        print $map->imap->subHTML("LINK:");
                        chdir($orig_cwd);
                        
                        print "</td></tr>";
                        html_graph_end_box();
                }
                else
                {
                        print "Map unavailable.";
                }
        }
        else
        {
                print "No ID, or unknown map name.";
        }

        
        weathermap_versionbox();
        include_once($config["base_path"]."/include/bottom_footer.php");
        break;

case 'mrss':
        header('Content-type: application/rss+xml');
        print '<?xml version="1.0" encoding="utf-8" standalone="yes"?>'."\n";
        print '<rss xmlns:media="http://search.yahoo.com/mrss" version="2.0"><channel><title>My Network Weathermaps</title>';
        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        $maplist = db_fetch_assoc( "select distinct weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) order by sortorder, id");        
        foreach ($maplist as $map) {
                $thumburl = "weathermap-cacti-plugin.php?action=viewthumb&id=".$map['filehash']."&time=".time();
                $bigurl = "weathermap-cacti-plugin.php?action=viewimage&id=".$map['filehash']."&time=".time();
                $linkurl = 'weathermap-cacti-plugin.php?action=viewmap&id='.$map['filehash'];
                $maptitle = $map['titlecache'];
                $guid = $map['filehash'];
                if($maptitle == '') $maptitle= "Map for config file: ".$map['configfile'];
                
                printf('<item><title>%s</title><description>Network Weathermap named "%s"</description><link>%s</link><media:thumbnail url="%s"/><media:content url="%s"/><guid isPermaLink="false">%s%s</guid></item>',
                        $maptitle, $maptitle, $linkurl,$thumburl,$bigurl,$config['url_path'],$guid);
                print "\n";
        }
        
        print '</channel></rss>';
        break;

case 'viewmapcycle':
        include_once($config["base_path"]."/include/top_graph_header.php");
        print "<div id=\"overDiv\" style=\"position:absolute; visibility:hidden; z-index:1000;\"></div>\n";
        print "<script type=\"text/javascript\" src=\"overlib.js\"><!-- overLIB (c) Erik Bosrup --></script> \n";
        weathermap_fullview(TRUE);
        weathermap_versionbox();

        include_once($config["base_path"]."/include/bottom_footer.php");
        break;

case 'viewmap':
        include_once($config["base_path"]."/include/top_graph_header.php");
        print "<div id=\"overDiv\" style=\"position:absolute; visibility:hidden; z-index:1000;\"></div>\n";
        print "<script type=\"text/javascript\" src=\"overlib.js\"><!-- overLIB (c) Erik Bosrup --></script> \n";

        $id = -1;

        if( isset($_REQUEST['id']) && (!is_numeric($_REQUEST['id']) || strlen($_REQUEST['id'])==20) )
        {
                $id = weathermap_translate_id($_REQUEST['id']);
        }

        if( isset($_REQUEST['id']) && is_numeric($_REQUEST['id']) )
        {
                $id = intval($_REQUEST['id']);
        }
        
        if($id>=0)
        {       
                weathermap_singleview($id);
        }       
        
        weathermap_versionbox();

        include_once($config["base_path"]."/include/bottom_footer.php");
        break;
default:
        include_once($config["base_path"]."/include/top_graph_header.php");
        print "<div id=\"overDiv\" style=\"position:absolute; visibility:hidden; z-index:1000;\"></div>\n";
        print "<script type=\"text/javascript\" src=\"overlib.js\"><!-- overLIB (c) Erik Bosrup --></script> \n";

        $group_id = -1;
        if( isset($_REQUEST['group_id']) && (is_numeric($_REQUEST['group_id']) ) )
        {
                $group_id = intval($_REQUEST['group_id']);
                $_SESSION['wm_last_group'] = $group_id;
        }
        else
        {
                if(isset($_SESSION['wm_last_group']))
                {
                        $group_id = intval($_SESSION['wm_last_group']);
                }
        }

        $tabs = weathermap_get_valid_tabs();
        $tab_ids = array_keys($tabs);
        if( ($group_id == -1) && (sizeof($tab_ids)>0))
        {
                $group_id = $tab_ids[0];
        }
        
        if(read_config_option("weathermap_pagestyle") == 0)
        {
                weathermap_thumbview($group_id);
        }
        if(read_config_option("weathermap_pagestyle") == 1)
        {
                weathermap_fullview(FALSE,FALSE,$group_id);
        }
        if(read_config_option("weathermap_pagestyle") == 2)
        {
                weathermap_fullview(FALSE, TRUE, $group_id);
        }

        weathermap_versionbox();
        include_once($config["base_path"]."/include/bottom_footer.php");
        break;
}


function weathermap_cycleview()
{

}

function weathermap_singleview($mapid)
{
        global $colors;

        $is_wm_admin = false;

        $outdir = dirname(__FILE__).'/output/';
        $confdir = dirname(__FILE__).'/configs/';

        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        $map = db_fetch_assoc("select weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) and weathermap_maps.id=".$mapid);


        if(sizeof($map))
        {
                # print do_hook_function ('weathermap_page_top', array($map[0]['id'], $map[0]['titlecache']) );
                print do_hook_function ('weathermap_page_top', '' );

                $htmlfile = $outdir.$map[0]['filehash'].".html";
                $maptitle = $map[0]['titlecache'];
                if($maptitle == '') $maptitle= "Map for config file: ".$map[0]['configfile'];

                weathermap_mapselector($mapid);

                html_graph_start_box(1,true);
?>
<tr bgcolor="<?php print $colors["panel"];?>"><td><table width="100%" cellpadding="0" cellspacing="0"><tr><td class="textHeader" nowrap><?php print $maptitle; 

if($is_wm_admin)
{

        print "<span style='font-size: 80%'>";
        print "[ <a href='weathermap-cacti-plugin-mgmt.php?action=map_settings&id=".$mapid."'>Map Settings</a> |";
        print "<a href='weathermap-cacti-plugin-mgmt.php?action=perms_edit&id=".$mapid."'>Map Permissions</a> |";
        print "<a href=''>Edit Map</a> ]";
        print "</span>";
}


 ?></td></tr></table></td></tr>
<?php
                print "<tr><td>";

                if(file_exists($htmlfile))
                {
                        include($htmlfile);
                }
                else
                {
                        print "<div align=\"center\" style=\"padding:20px\"><em>This map hasn't been created yet.";

                        global $config, $user_auth_realms, $user_auth_realm_filenames;
                        $realm_id2 = 0;

                        if (isset($user_auth_realm_filenames[basename('weathermap-cacti-plugin.php')])) {
                                $realm_id2 = $user_auth_realm_filenames[basename('weathermap-cacti-plugin.php')];
                        }
                        
                        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
                        if ((db_fetch_assoc("select user_auth_realm.realm_id from user_auth_realm where user_auth_realm.us
                                er_id='" . $userid . "' and user_auth_realm.realm_id='$realm_id2'")) || (empty($realm_id2))) {

                                        print " (If this message stays here for more than one poller cycle, then check your cacti.log file for errors!)";

                                }
                        print "</em></div>";
                }
                print "</td></tr>";
                html_graph_end_box();

        }
}

function weathermap_show_manage_tab()
{
        global $config, $user_auth_realms, $user_auth_realm_filenames;
        $realm_id2 = 0;

        if (isset($user_auth_realm_filenames['weathermap-cacti-plugin-mgmt.php'])) {
                $realm_id2 = $user_auth_realm_filenames['weathermap-cacti-plugin-mgmt.php'];
        }
        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        if ((db_fetch_assoc("select user_auth_realm.realm_id from user_auth_realm where user_auth_realm.user_id='" . $userid . "' and user_auth_realm.realm_id='$realm_id2'")) || (empty($realm_id2))) {

                print '<a href="' . $config['url_path'] . 'plugins/weathermap/weathermap-cacti-plugin-mgmt.php">Manage Maps</a>';
        }
}

function weathermap_thumbview($limit_to_group = -1)
{
        global $colors;

        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        $maplist_SQL = "select distinct weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and ";
        if($limit_to_group >0) $maplist_SQL .= " weathermap_maps.group_id=".$limit_to_group." and ";
        $maplist_SQL .= " (userid=".$userid." or userid=0) order by sortorder, id";
        
        $maplist = db_fetch_assoc( $maplist_SQL );
        
        // if there's only one map, ignore the thumbnail setting and show it fullsize
        if(sizeof($maplist) == 1)
        {
                $pagetitle = "Network Weathermap";
                weathermap_fullview(FALSE,FALSE, $limit_to_group);
        }
        else
        {
                $pagetitle = "Network Weathermaps";

                html_graph_start_box(2,true);
?>
<tr bgcolor="<?php print $colors["panel"];?>">
                                <td>
                                                <table width="100%" cellpadding="0" cellspacing="0">
                                                                <tr>
                                                                   <td class="textHeader" nowrap> <?php print $pagetitle; ?></td>
                                <td align="right"> <a href="?action=viewmapcycle">automatically cycle</a> between full-size maps) </td>
                                </tr>
                        </table>
                </td>
</tr>
<tr>
<td><i>Click on thumbnails for a full view (or you can <a href="?action=viewmapcycle">automatically cycle</a> between full-size maps)</i></td>
</tr>
<?php
                html_graph_end_box();
                $showlivelinks = intval(read_config_option("weathermap_live_view"));

                weathermap_tabs($limit_to_group);
                $i = 0;
                if (sizeof($maplist) > 0)
                {

                        $outdir = dirname(__FILE__).'/output/';
                        $confdir = dirname(__FILE__).'/configs/';

                        $imageformat = strtolower(read_config_option("weathermap_output_format"));

                        html_graph_start_box(1,false);
                        print "<tr><td class='wm_gallery'>";
                        foreach ($maplist as $map) {
                                $i++;

                                $imgsize = "";
                                # $thumbfile = $outdir."weathermap_thumb_".$map['id'].".".$imageformat;
                                # $thumburl = "output/weathermap_thumb_".$map['id'].".".$imageformat."?time=".time();
                                $thumbfile = $outdir.$map['filehash'].".thumb.".$imageformat;
                                $thumburl = "?action=viewthumb&id=".$map['filehash']."&time=".time();
                                if($map['thumb_width'] > 0) { $imgsize = ' WIDTH="'.$map['thumb_width'].'" HEIGHT="'.$map['thumb_height'].'" '; }
                                $maptitle = $map['titlecache'];
                                if($maptitle == '') $maptitle= "Map for config file: ".$map['configfile'];

                                print '<div class="wm_thumbcontainer" style="margin: 2px; border: 1px solid #bbbbbb; padding: 2px; float:left;">';
                                if(file_exists($thumbfile))
                                {
                                        print '<div class="wm_thumbtitle" style="font-size: 1.2em; font-weight: bold; text-align: center">'.$maptitle.'</div><a href="weathermap-cacti-plugin.php?action=viewmap&id='.$map['filehash'].'"><img class="wm_thumb" '.$imgsize.'src="'.$thumburl.'" alt="'.$maptitle.'" border="0" hspace="5" vspace="5" title="'.$maptitle.'"/></a>';
                                }
                                else
                                {
                                        print "(thumbnail for map not created yet)";
                                }
                                if($showlivelinks==1)
                                {
                                        print "<a href='?action=liveview&id=".$map['filehash']."'>(live)</a>";
                                }
                                print '</div> ';
                        }
                        print "</td></tr>";
                        html_graph_end_box();
                        
                }
                else
                {
                        print "<div align=\"center\" style=\"padding:20px\"><em>You Have No Maps</em></div>\n";
                }
        }
}

function weathermap_fullview($cycle=FALSE, $firstonly=FALSE, $limit_to_group = -1)
{
        global $colors;

        $_SESSION['custom']=false;

        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        # $query = "select distinct weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) order by sortorder, id";
        $maplist_SQL = "select distinct weathermap_maps.* from weathermap_auth,weathermap_maps where weathermap_maps.id=weathermap_auth.mapid and active='on' and ";
        if($limit_to_group >0) $maplist_SQL .= " weathermap_maps.group_id=".$limit_to_group." and ";
        $maplist_SQL .= " (userid=".$userid." or userid=0) order by sortorder, id";

        if($firstonly) { $maplist_SQL .= " LIMIT 1"; }

        $maplist = db_fetch_assoc( $maplist_SQL );
        html_graph_start_box(2,true);

        if(sizeof($maplist) == 1)
        {
                $pagetitle = "Network Weathermap";
        }
        else
        {
                $pagetitle = "Network Weathermaps";
        }

?>
<tr bgcolor="<?php print $colors["panel"];?>">
                                <td>
                                                <table width="100%" cellpadding="0" cellspacing="0">
                                                                <tr>
                                                                   <td class="textHeader" nowrap> <?php print $pagetitle; ?> </td>
                                <td align="right">
                                <?php if(! $cycle) { ?>
                                <a href="?action=viewmapcycle">automatically cycle</a> between full-size maps)
                                <?php } else { ?>
                                Cycling all available maps. <a href="?action=">Stop.</a>
                                <?php }?>
                                </td>
                                </tr>
                        </table>
                </td>
</tr>
<?php
        html_graph_end_box();

        weathermap_tabs($limit_to_group);
        
        $i = 0;
        if (sizeof($maplist) > 0)
        {

                $outdir = dirname(__FILE__).'/output/';
                $confdir = dirname(__FILE__).'/configs/';
                foreach ($maplist as $map)
                {
                        $i++;
                        $htmlfile = $outdir.$map['filehash'].".html";
                        $maptitle = $map['titlecache'];
                        if($maptitle == '') $maptitle= "Map for config file: ".$map['configfile'];
                        
                        print '<div class="weathermapholder" id="mapholder_'.$map['filehash'].'">';
                        html_graph_start_box(1,true);
                        print '<tr bgcolor="#' . $colors["header_panel"] . '">'; 
?>
                                <td colspan="3">
                                                <table width="100%" cellspacing="0" cellpadding="3" border="0">
                                                                <tr>
                                                                        <td align="left" class="textHeaderDark">
                                                                            <a name="map_<?php echo $map['filehash']; ?>"></a>
                                                                            <?php print htmlspecialchars($maptitle); ?>
                                                                        </td>
                                                                </tr>
                                                </table>
                                </td>
                </tr>
                <tr>
                        <td>
<?php

                        if(file_exists($htmlfile))
                        {
                                include($htmlfile);
                        }
                        else
                        {
                                print "<div align=\"center\" style=\"padding:20px\"><em>This map hasn't been created yet.</em></div>";
                        }

                        print '</td></tr>';
                        html_graph_end_box();
                        print '</div>';
                }


                if($cycle)
                {
                        $refreshtime = read_config_option("weathermap_cycle_refresh");
                        // OK, so the Cycle plugin does all this with a <META> tag at the bottom of the body
                        // that overrides the one at the top (that Cacti puts there). Unfortunately, that
                        // isn't valid HTML! So here's a Javascript driven way to do it

                        // It has the advantage that the image switching is cleaner, too.
                        // We also do a nice thing of taking the poller-period (5 mins), and the
                        // available maps, and making sure each one gets equal time in the 5 minute period.
?>
                        <script type="text/javascript">

                        function addEvent(obj, evType, fn)
                        {
                                if (obj.addEventListener)
                                {
                                        obj.addEventListener(evType, fn, false);
                                        return true;
                                }

                                else if (obj.attachEvent)
                                {
                                        var r = obj.attachEvent("on" + evType, fn);
                                        return r;
                                }

                                else
                                {
                                        return false;
                                }
                        }

                        wm_maps = new Array;
                        wm_current = 0;

                        function wm_tick()
                        {
                                document.getElementById(wm_maps[wm_current]).style.display='none';
                                wm_current++;
                                if(wm_current >= wm_maps.length) wm_current = 0;
                                document.getElementById(wm_maps[wm_current]).style.display='block';

                        }

                        function wm_reload()
                        {
                                window.location.reload();
                        }

                        function wm_initJS()
                        {
                                var i,j;
                                var possible_maps = document.getElementsByTagName('div');

                                j = 0;

                                for (i = 0; i < possible_maps.length; ++i)
                                {
                                        if (possible_maps[i].className == 'weathermapholder')
                                        {
                                                wm_maps[j] = possible_maps[i].id;
                                                j++;
                                        }
                                }
                                // stop here if there were no maps
                                if(j>0)
                                {
                                        wm_current = 0;
                                        // hide all but the first one
                                        if(j>1)
                                        {
                                                for(i=1;i<j;i++)
                                                {
                                                        document.getElementById(wm_maps[i]).style.display='none';
                                                }
                                        }
                                        // figure out how long the refresh is, so that we get
                                        // through all the maps in exactly 5 minutes

                                        var period = <?php echo $refreshtime ?> * 1000;

                                        if(period == 0)
                                        {
                                                var period = 300000/j;
                                        }           

                                        // our map-switching clock
                                        setInterval(wm_tick, period);
                                        // when to reload the whole page (with new map data)
                                        setTimeout( wm_reload ,300000);
                                }
                        }


                        addEvent(window, 'load', wm_initJS);

                        </script>
<?php
                }
        }
        else
        {
                print "<div align=\"center\" style=\"padding:20px\"><em>You Have No Maps</em></div>\n";
        }


}

function weathermap_translate_id($idname)
{
        $SQL = "select id from weathermap_maps where configfile='".mysql_real_escape_string($idname)."' or filehash='".mysql_real_escape_string($idname)."'";
        $map = db_fetch_assoc($SQL);

        return($map[0]['id']);  
}

function weathermap_versionbox()
{
        global $WEATHERMAP_VERSION, $colors;
        global $config, $user_auth_realms, $user_auth_realm_filenames;
                
        $pagefoot = "Powered by <a href=\"http://www.network-weathermap.com/?v=$WEATHERMAP_VERSION\">PHP Weathermap version $WEATHERMAP_VERSION</a>";
        
        $realm_id2 = 0;

        if (isset($user_auth_realm_filenames['weathermap-cacti-plugin-mgmt.php'])) {
                $realm_id2 = $user_auth_realm_filenames['weathermap-cacti-plugin-mgmt.php'];
        }
        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        if ((db_fetch_assoc("select user_auth_realm.realm_id from user_auth_realm where user_auth_realm.user_id='" . $userid . "' and user_auth_realm.realm_id='$realm_id2'")) || (empty($realm_id2))) 
        {
                $pagefoot .= " --- <a href='weathermap-cacti-plugin-mgmt.php' title='Go to the map management page'>Weathermap Management</a>";
                $pagefoot .= " | <a target=\"_blank\" href=\"docs/\">Local Documentation</a>";
                $pagefoot .= " | <a target=\"_blank\" href=\"editor.php\">Editor</a>";
        }
                        
        
        html_graph_start_box(1,true);

?>
<tr bgcolor="<?php print $colors["panel"];?>">
        <td>
                <table width="100%" cellpadding="0" cellspacing="0">
                        <tr>
                           <td class="textHeader" nowrap> <?php print $pagefoot; ?> </td>
                        </tr>
                </table>
        </td>
</tr>
<?php
        html_graph_end_box();
}


function readfile_chunked($filename) {
    $chunksize = 1*(1024*1024); // how many bytes per chunk
    $buffer = '';
    $cnt =0;
        
    $handle = fopen($filename, 'rb');
    if ($handle === false) return false;
        
    while (!feof($handle)) {
        $buffer = fread($handle, $chunksize);
        echo $buffer;
    }
    $status = fclose($handle);
    return $status;
} 

function weathermap_footer_links()
{
        global $colors;
        global $WEATHERMAP_VERSION;
        print '<br />'; 
    html_start_box("<center><a target=\"_blank\" class=\"linkOverDark\" href=\"docs/\">Local Documentation</a> -- <a target=\"_blank\" class=\"linkOverDark\" href=\"http://www.network-weathermap.com/\">Weathermap Website</a> -- <a target=\"_target\" class=\"linkOverDark\" href=\"weathermap-cacti-plugin-editor.php?plug=1\">Weathermap Editor</a> -- This is version $WEATHERMAP_VERSION</center>", "78%", $colors["header"], "2", "center", "");
        html_end_box(); 
}

function weathermap_mapselector($current_id = 0)
{
        global $colors;

    $show_selector = intval(read_config_option("weathermap_map_selector"));

        if($show_selector == 0) return false;

        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        $maps = db_fetch_assoc("select distinct weathermap_maps.*,weathermap_groups.name, weathermap_groups.sortorder as gsort from weathermap_groups,weathermap_auth,weathermap_maps where weathermap_maps.group_id=weathermap_groups.id and weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) order by gsort, sortorder");

        if(sizeof($maps)>1)
        {

                /* include graph view filter selector */
                html_graph_start_box(3, TRUE);
                ?>
        <tr bgcolor="<?php print $colors["panel"];?>" class="noprint">
                        <form name="weathermap_select" method="post" action="">
                        <input name="action" value="viewmap" type="hidden">
                        <td class="noprint">
                                        <table width="100%" cellpadding="0" cellspacing="0">
                                                        <tr class="noprint">
                                                                        <td nowrap style='white-space: nowrap;' width="40">
                                                                                &nbsp;<strong>Jump To Map:</strong>&nbsp;
                                                                        </td>
                                                                        <td>
                                                                                <select name="id">
<?php

                $ngroups = 0;
                $lastgroup = "------lasdjflkjsdlfkjlksdjflksjdflkjsldjlkjsd";
                foreach ($maps as $map)
                {
                        if($current_id == $map['id']) $nullhash = $map['filehash'];
                        if($map['name'] != $lastgroup)
                        {
                                $ngroups++;
                                $lastgroup = $map['name'];
                        }
                }


                $lastgroup = "------lasdjflkjsdlfkjlksdjflksjdflkjsldjlkjsd";
                foreach ($maps as $map)
                {
                        if($ngroups>1 && $map['name'] != $lastgroup)
                        {
                                print "<option style='font-weight: bold; font-style: italic' value='$nullhash'>".htmlspecialchars($map['name'])."</option>";
                                $lastgroup = $map['name'];
                        }
                        print '<option ';
                        if($current_id == $map['id']) print " SELECTED ";
                        print 'value="'.$map['filehash'].'">';
                        // if we're showing group headings, then indent the map names
                        if($ngroups>1) { print " - "; }
                        print htmlspecialchars($map['titlecache']).'</option>';
                }
?>
                                                                                </select>
                                                                                        &nbsp;<input type="image" src="../../images/button_go.gif" alt="Go" border="0" align="absmiddle">                                                                                
                                                                        </td>
                                                        </tr>
                                        </table>
                        </td>
                        </form>
        </tr>
        <?php

                html_graph_end_box(FALSE);
        }
}

function weathermap_get_valid_tabs()
{
        $tabs = array();
        $userid = (isset($_SESSION["sess_user_id"]) ? intval($_SESSION["sess_user_id"]) : 1);
        $maps = db_fetch_assoc("select weathermap_maps.*, weathermap_groups.name as group_name from weathermap_auth,weathermap_maps, weathermap_groups where weathermap_groups.id=weathermap_maps.group_id and weathermap_maps.id=weathermap_auth.mapid and active='on' and (userid=".$userid." or userid=0) order by weathermap_groups.sortorder");


        foreach ($maps as $map)
        {
                $tabs[$map['group_id']] = $map['group_name'];
        }

        return($tabs);
}

function weathermap_tabs($current_tab)
{
        global $colors;

        // $current_tab=2;

        $tabs = weathermap_get_valid_tabs();
        
        # print "Limiting to $current_tab\n";
        
        if(sizeof($tabs) > 1)
        {
                /* draw the categories tabs on the top of the page */
        print "<p></p><table class='tabs' width='100%' cellspacing='0' cellpadding='3' align='center'><tr>\n";

        if (sizeof($tabs) > 0) {
                $show_all = intval(read_config_option("weathermap_all_tab"));
                if($show_all == 1)
                {
                        $tabs['-2'] = "All Maps";
                }

                foreach (array_keys($tabs) as $tab_short_name) {
                        print "<td " . (($tab_short_name == $current_tab) ? "bgcolor='silver'" : "bgcolor='#DFDFDF'") . " nowrap='nowrap' width='" . (strlen($tabs[$tab_short_name]) * 9) . "' align='center' class='tab'>
                                        <span class='textHeader'><a href='weathermap-cacti-plugin.php?group_id=$tab_short_name'>$tabs[$tab_short_name]</a></span>
                                        </td>\n
                                        <td width='1'></td>\n";
                }

        }

        print "<td></td>\n</tr></table>\n";
                
                return(true);
        }
        else
        {
                return(false);
        }               
                
}

// vim:ts=4:sw=4:
?>

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