From 81a6b947fe3417c6677ccd6a0d967c82e00b20d3 Mon Sep 17 00:00:00 2001
From: fusionate <nate@fusionpbx.com>
Date: Fri, 9 Feb 2024 13:10:57 -0700
Subject: [PATCH] IVR Menus: Audio waveform generation integration.

---
 app/ivr_menus/ivr_menu_edit.php |  17 ++--
 app/ivr_menus/waveform.php      | 132 ++++++++++++++++++++++++++++++++
 2 files changed, 141 insertions(+), 8 deletions(-)
 create mode 100644 app/ivr_menus/waveform.php

diff --git a/app/ivr_menus/ivr_menu_edit.php b/app/ivr_menus/ivr_menu_edit.php
index d3513f7817..1931ac5944 100644
--- a/app/ivr_menus/ivr_menu_edit.php
+++ b/app/ivr_menus/ivr_menu_edit.php
@@ -678,6 +678,7 @@
 		echo "	}\n";
 		echo "</script>\n";
 	}
+
 	if (permission_exists('ivr_menu_audio_edit')) {
 		echo "<script type='text/javascript' language='JavaScript'>\n";
 		echo "	var objs;\n";
@@ -830,7 +831,7 @@
 	echo "<td class='vncell' rowspan='2' valign='top' align='left' nowrap='nowrap'>\n";
 	echo "	".$text['label-'.$instance_label]."\n";
 	echo "</td>\n";
-	echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
+	echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' onclick=\"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));\" style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
 	echo "</tr>\n";
 	echo "<tr>\n";
 	echo "<td class='vtable' align='left'>\n";
@@ -888,7 +889,7 @@
 			case 'ogg' : $mime_type = 'audio/ogg'; break;
 		}
 		echo "<audio id='recording_audio_".$instance_id."' style='display: none;' preload='none' ontimeupdate=\"update_progress('".$instance_id."')\" onended=\"recording_reset('".$instance_id."');\" src='".($playable ?? '')."' type='".($mime_type ?? '')."'></audio>";
-		echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."')"]);
+		echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));"]);
 		unset($playable, $mime_type);
 	}
 	echo "<br />\n";
@@ -903,7 +904,7 @@
 	echo "<td class='vncell' rowspan='2' valign='top' align='left' nowrap='nowrap'>\n";
 	echo "	".$text['label-'.$instance_label]."\n";
 	echo "</td>\n";
-	echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
+	echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' onclick=\"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));\" style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
 	echo "</tr>\n";
 	echo "<tr>\n";
 	echo "<td class='vtable' align='left'>\n";
@@ -961,7 +962,7 @@
 			case 'ogg' : $mime_type = 'audio/ogg'; break;
 		}
 		echo "<audio id='recording_audio_".$instance_id."' style='display: none;' preload='none' ontimeupdate=\"update_progress('".$instance_id."')\" onended=\"recording_reset('".$instance_id."');\" src='".($playable ?? '')."' type='".($mime_type ?? '')."'></audio>";
-		echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."')"]);
+		echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));"]);
 		unset($playable, $mime_type);
 	}
 	echo "<br />\n";
@@ -1213,7 +1214,7 @@
 		echo "<td width='30%' class='vncell' rowspan='2' valign='top' align='left' nowrap='nowrap'>\n";
 		echo "	".$text['label-'.$instance_label]."\n";
 		echo "</td>\n";
-		echo "<td width='70%'class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
+		echo "<td width='70%'class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' onclick=\"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));\" style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
 		echo "</tr>\n";
 		echo "<tr>\n";
 		echo "<td class='vtable' align='left'>\n";
@@ -1271,7 +1272,7 @@
 				case 'ogg' : $mime_type = 'audio/ogg'; break;
 			}
 			echo "<audio id='recording_audio_".$instance_id."' style='display: none;' preload='none' ontimeupdate=\"update_progress('".$instance_id."')\" onended=\"recording_reset('".$instance_id."');\" src='".($playable ?? '')."' type='".($mime_type ?? '')."'></audio>";
-			echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."')"]);
+			echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));"]);
 			unset($playable, $mime_type);
 		}
 		echo "<br />\n";
@@ -1286,7 +1287,7 @@
 		echo "<td class='vncell' rowspan='2' valign='top' align='left' nowrap='nowrap'>\n";
 		echo "	".$text['label-'.$instance_label]."\n";
 		echo "</td>\n";
-		echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
+		echo "<td class='vtable playback_progress_bar_background' id='recording_progress_bar_".$instance_id."' onclick=\"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));\" style='display: none; border-bottom: none; padding-top: 0 !important; padding-bottom: 0 !important;' align='left'><span class='playback_progress_bar' id='recording_progress_".$instance_id."'></span></td>\n";
 		echo "</tr>\n";
 		echo "<tr>\n";
 		echo "<td class='vtable' align='left'>\n";
@@ -1344,7 +1345,7 @@
 				case 'ogg' : $mime_type = 'audio/ogg'; break;
 			}
 			echo "<audio id='recording_audio_".$instance_id."' style='display: none;' preload='none' ontimeupdate=\"update_progress('".$instance_id."')\" onended=\"recording_reset('".$instance_id."');\" src='".($playable ?? '')."' type='".($mime_type ?? '')."'></audio>";
-			echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."')"]);
+			echo button::create(['type'=>'button','title'=>$text['label-play'].' / '.$text['label-pause'],'icon'=>$_SESSION['theme']['button_icon_play'],'id'=>'recording_button_'.$instance_id,'style'=>'display: '.(!empty($mime_type) ? 'inline' : 'none'),'onclick'=>"recording_play('".$instance_id."', document.getElementById('".$instance_id."').value, document.getElementById('".$instance_id."').options[document.getElementById('".$instance_id."').selectedIndex].parentNode.getAttribute('data-type'));"]);
 			unset($playable, $mime_type);
 		}
 		echo "<br />\n";
diff --git a/app/ivr_menus/waveform.php b/app/ivr_menus/waveform.php
new file mode 100644
index 0000000000..3408037311
--- /dev/null
+++ b/app/ivr_menus/waveform.php
@@ -0,0 +1,132 @@
+<?php
+/*
+	FusionPBX
+	Version: MPL 1.1
+
+	The contents of this file are subject to the Mozilla Public License Version
+	1.1 (the "License"); you may not use this file except in compliance with
+	the License. You may obtain a copy of the License at
+	http://www.mozilla.org/MPL/
+
+	Software distributed under the License is distributed on an "AS IS" basis,
+	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+	for the specific language governing rights and limitations under the
+	License.
+
+	The Original Code is FusionPBX
+
+	The Initial Developer of the Original Code is
+	Mark J Crane <markjcrane@fusionpbx.com>
+	Portions created by the Initial Developer are Copyright (C) 2024
+	the Initial Developer. All Rights Reserved.
+
+	Contributor(s):
+	Mark J Crane <markjcrane@fusionpbx.com>
+*/
+
+//includes files
+	require_once dirname(__DIR__, 2) . "/resources/require.php";
+	require_once "resources/check_auth.php";
+	require_once "resources/classes/waveform.php";
+
+	use maximal\audio\Waveform;
+
+//check permisions
+	if (permission_exists('recording_play')) {
+		//access granted
+	}
+	else {
+		echo "access denied";
+		exit;
+	}
+
+//create the waveform file
+	if ($_GET['id'] && !empty($_GET['data']) && !empty($_GET['type'])) {
+
+		//determine path of audio file by type
+		if ($_GET['type'] == 'recordings') {
+
+			$slash = substr($_GET['data'],0,1) != '/' ? '/' : null;
+			$full_file_path = $_SESSION['switch']['recordings']['dir']."/".$_SESSION['domain_name'].$slash.str_replace($_SESSION['switch']['recordings']['dir']."/".$_SESSION['domain_name'], '', $_GET['data']);
+
+		}
+		else if ($_GET['type'] == 'sounds') {
+
+			//get first installed language (like en/us/callie)
+			$language_paths = glob($_SESSION["switch"]['sounds']['dir']."/*/*/*");
+			foreach ($language_paths as $key => $path) {
+				$path = str_replace($_SESSION["switch"]['sounds']['dir'].'/', "", $path);
+				$path_array = explode('/', $path);
+				if (count($path_array) <> 3 || strlen($path_array[0]) <> 2 || strlen($path_array[1]) <> 2) {
+					unset($language_paths[$key]);
+				}
+				$language_paths[$key] = str_replace($_SESSION["switch"]['sounds']['dir']."/","",$language_paths[$key] ?? '');
+				if (empty($language_paths[$key])) {
+					unset($language_paths[$key]);
+				}
+			}
+			$language_path = $language_paths[0];
+
+			//determine the path for sound file
+			$filename_parts = explode('/', str_replace('..', '', $_GET['data']));
+			if (!is_array($filename_parts) || @sizeof($filename_parts) != 2) { exit; }
+			$path = $_SESSION['switch']['sounds']['dir'].'/'.$language_path.'/'.$filename_parts[0].'/8000/';
+
+			//build full path to sound file
+			$full_file_path = $path.$filename_parts[1];
+
+		}
+
+		//stream waveform file
+		if (file_exists($full_file_path)) {
+
+			//temporary waveform image filename
+			$temp_filename = 'waveform_'.$_GET['id'].'_'.rand(0000,9999).'.png';
+
+			//create temporary waveform image, if doesn't exist
+			if (file_exists($temp_filename)) {
+				$wf = true;
+			}
+			else {
+				//create temporary waveform image
+				$waveform = new Waveform($full_file_path);
+				Waveform::$linesPerPixel = 1; // default: 8
+				Waveform::$samplesPerLine = 512; // default: 512
+				Waveform::$colorA = !empty($_SESSION['theme']['audio_player_waveform_color_a_leg']['text']) ? color_to_rgba_array($_SESSION['theme']['audio_player_waveform_color_a_leg']['text']) : [32,134,37,0.6]; // array rgba,  left (a-leg) wave color
+				Waveform::$colorB = !empty($_SESSION['theme']['audio_player_waveform_color_b_leg']['text']) ? color_to_rgba_array($_SESSION['theme']['audio_player_waveform_color_b_leg']['text']) : [0,125,232,0.6]; // array rgba, right (b-leg) wave color
+				Waveform::$backgroundColor = !empty($_SESSION['theme']['audio_player_waveform_color_background']['text']) ? color_to_rgba_array($_SESSION['theme']['audio_player_waveform_color_background']['text']) : [0,0,0,0]; // array rgba, default: transparent
+				Waveform::$axisColor = !empty($_SESSION['theme']['audio_player_waveform_color_axis']['text']) ? color_to_rgba_array($_SESSION['theme']['audio_player_waveform_color_axis']['text']) : [0,0,0,0.3]; // array rgba
+				Waveform::$singlePhase = empty($_SESSION['theme']['audio_player_waveform_single_phase']['boolean']) || $_SESSION['theme']['audio_player_waveform_single_phase']['boolean'] !== 'true' ? false : true; // positive phase only - left (a-leg) top, right (b-leg) bottom
+				Waveform::$singleAxis = empty($_SESSION['theme']['audio_player_waveform_single_axis']['boolean']) || $_SESSION['theme']['audio_player_waveform_single_axis']['boolean'] !== 'false' ? true : false; // combine channels into single axis
+				$height = !empty($_SESSION['theme']['audio_player_waveform_height']['text']) && is_numeric(str_replace('px','',$_SESSION['theme']['audio_player_waveform_height']['text'])) ? 2.2 * (int) str_replace('px','',$_SESSION['theme']['audio_player_waveform_height']['text']) : null;
+				$wf = $waveform->getWaveform($temp_filename, 1600, $height ?? 180); // input: png filename returns boolean true/false, or 'base64' returns base64 string
+			}
+
+			//stream image to browser
+			if ($wf === true && file_exists($temp_filename)) {
+
+				ob_clean();
+				$fd = fopen($temp_filename, 'rb');
+				header("Content-Type: application/force-download");
+				header("Content-Type: application/octet-stream");
+				header("Content-Type: application/download");
+				header("Content-Description: File Transfer");
+				header("Content-Type: image/png");
+				header('Content-Disposition: attachment; filename="'.$temp_filename.'"');
+				header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
+				header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
+				header("Content-Length: ".filesize($temp_filename));
+				ob_clean();
+
+				fpassthru($fd);
+
+			}
+
+		}
+
+		//delete temp waveform image
+		@unlink($temp_filename);
+
+	}
+
+?>
\ No newline at end of file