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<?php
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/**
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* BrandMeister active-connections panel.
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*
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* AJAX-loaded partial; refreshed every 180 seconds by /index.php (slow
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* cadence on purpose — hits the BrandMeister HTTPS API). Renders a
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* read-only table of static and dynamic talkgroup subscriptions for the
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* configured DMR ID.
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*
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* Inputs:
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* - /etc/dmrgateway DMR network configuration; figures
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* out which slot is on BrandMeister and
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* the DMR ID.
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* - /etc/bmapi.key BrandMeister API token. Length sniff
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* picks endpoint version: short → v1.0,
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* long → v2 with Bearer auth.
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* - /usr/local/etc/DMR_Hosts.txt Master name lookup for display.
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* - https://api.brandmeister.network Live API for TG state.
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*
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* Display-only. The companion bm_manager.php provides the link/unlink
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* form.
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*
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* AJAX-loaded partial — embeddable variant only. Omits the
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* X-Frame-Options / frame-ancestors directives the parent already
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* asserts; they apply to iframe ancestry, not XHR responses.
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*/
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require_once($_SERVER['DOCUMENT_ROOT'] . '/config/security_headers.php');
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setEmbeddableSecurityHeaders();
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include_once $_SERVER['DOCUMENT_ROOT'].'/config/config.php'; // MMDVMDash Config
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include_once $_SERVER['DOCUMENT_ROOT'].'/mmdvmhost/tools.php'; // MMDVMDash Tools
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include_once $_SERVER['DOCUMENT_ROOT'].'/mmdvmhost/functions.php'; // MMDVMDash Functions
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include_once $_SERVER['DOCUMENT_ROOT'].'/config/language.php'; // Translation Code
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// Check if DMR is Enabled
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$testMMDVModeDMR = getConfigItem("DMR", "Enable", $mmdvmconfigs);
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if ( $testMMDVModeDMR == 1 ) {
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//setup BM API Key
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$bmAPIkeyFile = '/etc/bmapi.key';
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if (file_exists($bmAPIkeyFile) && fopen($bmAPIkeyFile,'r')) { $configBMapi = parse_ini_file($bmAPIkeyFile, true);
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$bmAPIkey = $configBMapi['key']['apikey'];
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// Check the BM API Key
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if ( strlen($bmAPIkey) <= 20 ) { unset($bmAPIkey); }
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if ( strlen($bmAPIkey) >= 200 ) { $bmAPIkeyV2 = $bmAPIkey; unset($bmAPIkey); }
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}
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//Load the dmrgateway config file
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$dmrGatewayConfigFile = '/etc/dmrgateway';
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if (fopen($dmrGatewayConfigFile,'r')) { $configdmrgateway = parse_ini_file($dmrGatewayConfigFile, true); }
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// Get the current DMR Master from the config
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$dmrMasterHost = getConfigItem("DMR Network", "Address", $mmdvmconfigs);
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if ( $dmrMasterHost == '127.0.0.1' ) {
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$dmrMasterHost = $configdmrgateway['DMR Network 1']['Address'];
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if (isset($configdmrgateway['DMR Network 1']['Id'])) { $dmrID = $configdmrgateway['DMR Network 1']['Id']; }
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} elseif (getConfigItem("DMR", "Id", $mmdvmconfigs)) {
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$dmrID = getConfigItem("DMR", "Id", $mmdvmconfigs);
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} else {
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$dmrID = getConfigItem("General", "Id", $mmdvmconfigs);
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}
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// Store the DMR Master IP, we will need this for the JSON lookup
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$dmrMasterHostIP = $dmrMasterHost;
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// Make sure the master is a BrandMeister Master
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$dmrMasterFile = fopen("/usr/local/etc/DMR_Hosts.txt", "r");
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while (!feof($dmrMasterFile)) {
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$dmrMasterLine = fgets($dmrMasterFile);
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$dmrMasterHostF = preg_split('/\s+/', $dmrMasterLine);
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if ((strpos($dmrMasterHostF[0], '#') === FALSE) && ($dmrMasterHostF[0] != '')) {
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if ($dmrMasterHost == $dmrMasterHostF[2]) { $dmrMasterHost = str_replace('_', ' ', $dmrMasterHostF[0]); }
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}
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}
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if (substr($dmrMasterHost, 0, 2) == "BM") {
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// Use BM API to get information about current TGs
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$jsonContext = stream_context_create(array('http'=>array('timeout' => 2, 'header' => 'User-Agent: Pi-Star Dashboard for '.$dmrID) )); // Add Timout and User Agent to include DMRID
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if (isset($bmAPIkeyV2)) {
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$json = json_decode(@file_get_contents("https://api.brandmeister.network/v2/device/$dmrID/profile", true, $jsonContext));
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} else {
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$json = json_decode(@file_get_contents("https://api.brandmeister.network/v1.0/repeater/?action=PROFILE&q=$dmrID", true, $jsonContext));
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}
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// Set some Variable
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$bmStaticTGList = "";
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$bmDynamicTGList = "";
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// Pull the information from JSON. talkgroup/slot are documented
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// as integers in the BrandMeister API but PHP's json_decode
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// doesn't enforce that — cast to (int) so a hostile / compromised
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// upstream response can't smuggle HTML/JS into the rendered <td>
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// bytes below. (int) of a non-numeric string is 0, which renders
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// as plain "0" — predictable, inert.
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if (isset($json->staticSubscriptions)) { $bmStaticTGListJson = $json->staticSubscriptions;
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foreach($bmStaticTGListJson as $staticTG) {
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$tgNum = (int)$staticTG->talkgroup;
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$tgSlot = (int)$staticTG->slot;
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if (getConfigItem("DMR Network", "Slot1", $mmdvmconfigs) && $tgSlot === 1) {
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$bmStaticTGList .= "TG".$tgNum."(".$tgSlot.") ";
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}
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else if (getConfigItem("DMR Network", "Slot2", $mmdvmconfigs) && $tgSlot === 2) {
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$bmStaticTGList .= "TG".$tgNum."(".$tgSlot.") ";
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}
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else if (getConfigItem("DMR Network", "Slot1", $mmdvmconfigs) == "0" && getConfigItem("DMR Network", "Slot2", $mmdvmconfigs) && $tgSlot === 0) {
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$bmStaticTGList .= "TG".$tgNum." ";
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}
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}
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$bmStaticTGList = wordwrap($bmStaticTGList, 15, "<br />\n");
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if (preg_match('/TG/', $bmStaticTGList) == false) { $bmStaticTGList = "None"; }
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} else { $bmStaticTGList = "None"; }
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if (isset($json->dynamicSubscriptions)) { $bmDynamicTGListJson = $json->dynamicSubscriptions;
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foreach($bmDynamicTGListJson as $dynamicTG) {
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$tgNum = (int)$dynamicTG->talkgroup;
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$tgSlot = (int)$dynamicTG->slot;
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if (getConfigItem("DMR Network", "Slot1", $mmdvmconfigs) && $tgSlot === 1) {
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$bmDynamicTGList .= "TG".$tgNum."(".$tgSlot.") ";
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}
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else if (getConfigItem("DMR Network", "Slot2", $mmdvmconfigs) && $tgSlot === 2) {
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$bmDynamicTGList .= "TG".$tgNum."(".$tgSlot.") ";
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}
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else if (getConfigItem("DMR Network", "Slot1", $mmdvmconfigs) == "0" && getConfigItem("DMR Network", "Slot2", $mmdvmconfigs) && $tgSlot === 0) {
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$bmDynamicTGList .= "TG".$tgNum." ";
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}
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}
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$bmDynamicTGList = wordwrap($bmDynamicTGList, 15, "<br />\n");
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if (preg_match('/TG/', $bmDynamicTGList) == false) { $bmDynamicTGList = "None"; }
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} else { $bmDynamicTGList = "None"; }
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echo '<b>Active BrandMeister Connections</b>
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<table>
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<tr>
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<th><a class=tooltip href="#">'.$lang['bm_master'].'<span><b>Connected Master</b></span></a></th>
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<th><a class=tooltip href="#">Repeater ID<span><b>The ID for this Repeater/Hotspot</b></span></a></th>
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<th><a class=tooltip href="#">Static TGs<span><b>Statically linked talkgroups</b></span></a></th>
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<th><a class=tooltip href="#">Dynamic TGs<span><b>Dynamically linked talkgroups</b></span></a></th>
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</tr>'."\n";
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echo ' <tr>'."\n";
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// $dmrMasterHost / $dmrID come from /etc/dmrgateway — operator
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// edits via the expert editor. htmlspecialchars defence-in-depth.
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// $bmStatic/DynamicTGList already contain wordwrap-injected `<br />`
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// tags by design, so they intentionally aren't escaped here; the
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// talkgroup/slot integers inside them were cast to (int) above.
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echo ' <td>'.htmlspecialchars((string)$dmrMasterHost, ENT_QUOTES, 'UTF-8').'</td>';
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echo '<td>'.htmlspecialchars((string)$dmrID, ENT_QUOTES, 'UTF-8').'</td>';
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echo '<td>'.$bmStaticTGList.'</td>';
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echo '<td>'.$bmDynamicTGList.'</td>';
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echo '</tr>'."\n";
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echo ' </table>'."\n";
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echo ' <br />'."\n";
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}
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}
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