function processVideo($data)
{
global $abort, $errorArray;
$data->type = 'video';
//Check name
if (isset($data->name)) {
$data->name = strip_tags($data->name);
} else {
$data->name = 'Video';
}
//Check key
if (isset($data->key)) {
$re = "/^[a-z0-9]{10}\$/";
//Alphanumeric, and 10 characters
if (!preg_match($re, $data->key)) {
$abort = true;
$errorArray[] = "Invalid key for " . $data->name . " widget.";
}
}
//Check title
if (isset($data->title)) {
$data->title = strip_tags($data->title);
} else {
$data->title = 'Sample title';
}
//Check description
if (isset($data->desc)) {
$data->desc = htmLawed($data->desc, array('safe' => 1, 'elements' => 'a', 'deny_attribute' => '* -href'));
$data->desc = str_replace(" />", ">", $data->desc);
} else {
$data->desc = "";
}
//Check if valid YouTube url source
if (!empty($data->url)) {
$pattern = "/(?:https?:)?(?:\\/\\/)?(?:www\\.)?(?:youtube\\.com|youtu\\.be)\\/(?:embed\\/)?(?:watch\\?v=)?([a-zA-Z0-9_-]+)(?:\\?.+)?(?:&.+)?\$/";
//Get YouTube video ID
if (preg_match($pattern, $data->url)) {
$data->url = preg_replace($pattern, "//www.youtube.com/embed/\$1?rel=0&showinfo=0", $data->url);
} else {
$abort = true;
$errorArray[] = "YouTube video URL required for " . $data->name . " widget.";
}
} else {
$data->url = "";
}
$data = checkAlignment($data);
//From alignOptions.php
//Check index is a number
if (!empty($data->index)) {
if (!filter_var($data->index, FILTER_VALIDATE_INT) || $data->index < 0) {
unset($data->index);
}
} else {
//Index is optional
}
//Remove any invalid keys
$validKeys = (object) array('type' => '', 'name' => '', 'key' => '', 'title' => '', 'desc' => '', 'url' => '', 'align' => '', 'margin' => '', 'index' => '');
$data = (object) array_intersect_key(get_object_vars($data), get_object_vars($validKeys));
return $data;
}
function processModel3d($data)
{
global $abort, $errorArray;
$data->type = 'model3d';
//Check name
if (isset($data->name)) {
$data->name = strip_tags($data->name);
} else {
$data->name = '3D Model';
}
//Check key
if (isset($data->key)) {
$re = "/^[a-z0-9]{10}\$/";
//Alphanumeric, and 10 characters
if (!preg_match($re, $data->key)) {
$abort = true;
$errorArray[] = "Invalid key for " . $data->name . " widget.";
}
}
//Check title
if (isset($data->title)) {
$data->title = strip_tags($data->title);
} else {
$data->title = '3D model title';
}
//Check description
if (isset($data->desc)) {
$data->desc = htmLawed($data->desc, array('safe' => 1, 'elements' => 'a', 'deny_attribute' => '* -href'));
$data->desc = str_replace(" />", ">", $data->desc);
} else {
$data->desc = "";
}
//Check if valid Sketchfab url source
if (!empty($data->url)) {
$pattern = "/(?:https?:)?(?:\\/\\/)?(?:www\\.)?(?:sketchfab\\.com\\/models\\/)([a-z0-9]+)(?:.+)?/";
//Get YouTube video ID
if (preg_match($pattern, $data->url)) {
$data->url = preg_replace($pattern, "https://sketchfab.com/models/\$1/embed", $data->url);
} else {
$abort = true;
$errorArray[] = "Sketchfab URL required for " . $data->name . " widget.";
}
} else {
$data->url = "";
}
$data = checkAlignment($data);
//From alignOptions.php
//Check index is a number
if (!empty($data->index)) {
if (!filter_var($data->index, FILTER_VALIDATE_INT) || $data->index < 0) {
unset($data->index);
}
} else {
//Index is optional
}
//Remove any invalid keys
$validKeys = (object) array('type' => '', 'name' => '', 'key' => '', 'title' => '', 'desc' => '', 'url' => '', 'align' => '', 'margin' => '', 'index' => '');
$data = (object) array_intersect_key(get_object_vars($data), get_object_vars($validKeys));
return $data;
}
function processImageWidget($data)
{
global $abort, $errorArray;
$data->type = 'imagewidget';
//Check name
if (isset($data->name)) {
$data->name = strip_tags($data->name);
} else {
$data->name = 'Image';
}
//Check key
if (isset($data->key)) {
$re = "/^[a-z0-9]{10}\$/";
//Alphanumeric, and 10 characters
if (!preg_match($re, $data->key)) {
$abort = true;
$errorArray[] = "Invalid key for " . $data->name . " widget.";
}
}
//Check title
if (isset($data->title)) {
$data->title = strip_tags($data->title);
} else {
$data->title = 'Sample title';
}
//Check description
if (isset($data->desc)) {
$data->desc = htmLawed($data->desc, array('safe' => 1, 'elements' => 'a', 'deny_attribute' => '* -href'));
$data->desc = str_replace(" />", ">", $data->desc);
} else {
$data->desc = "";
}
//Check image source
if (!empty($data->imgSrc)) {
if (!file_exists(ROOT_PATH . ltrim($data->imgSrc, '/')) && !file_exists($data->imgSrc)) {
$abort = true;
$errorArray[] = $data->name . " image source not found.";
}
} else {
$abort = true;
$errorArray[] = "Image source required for " . $data->name . " widget.";
}
$data = checkAlignment($data);
//From alignOptions.php
//Check index is a number
if (!empty($data->index)) {
if (!filter_var($data->index, FILTER_VALIDATE_INT) || $data->index < 0) {
unset($data->index);
}
} else {
//Index is optional
}
//Remove any invalid keys
$validKeys = (object) array('type' => '', 'name' => '', 'key' => '', 'title' => '', 'desc' => '', 'imgSrc' => '', 'align' => '', 'margin' => '', 'index' => '');
$data = (object) array_intersect_key(get_object_vars($data), get_object_vars($validKeys));
return $data;
}
function crossRepresentationProcess()
{
global $Period_arr, $foldername, $locate, $string_info, $foldername;
for ($i = 0; $i < sizeof($Period_arr); $i++) {
$timeoffset = 0;
$timescale = 1;
$AdaptationSetAttr = $Period_arr[$i];
if (!empty($AdaptationSetAttr['segmentAlignment'])) {
//check is segment alignment supported within mpd
$segmentAlignment = $AdaptationSetAttr['segmentAlignment'];
} else {
$segmentAlignment = "false";
}
if (!empty($AdaptationSetAttr['subsegmentAlignment'])) {
//check sub-segment alignment
$subsegmentAlignment = $AdaptationSetAttr['subsegmentAlignment'];
} else {
$subsegmentAlignment = "false";
}
if (!empty($AdaptationSetAttr['bitstreamSwitching'])) {
// check if bit-stream switching is supported
$bitstreamSwitching = $AdaptationSetAttr['bitstreamSwitching'];
} else {
$bitstreamSwitching = "false";
}
if (!($opfile = fopen($locate . "/Adapt" . $i . "_infofile.txt", 'w'))) {
echo "Error opening cross-representation checks file" . "./temp/" . $foldername . "/Adapt" . $i . "_infofile.txt";
return;
}
fprintf($opfile, "Cross representation checks for adaptation set with id \"%s\":\n", $AdaptationSetAttr['id']);
if ($segmentAlignment == "true" || $subsegmentAlignment == "true" || $bitstreamSwitching == "true") {
$leafInfo = array();
for ($j = 0; $j < sizeof($AdaptationSetAttr['Representation']['bandwidth']); $j++) {
$timescale = 1;
//set timescale to default value
$timeoffset = 0;
// set offset to default value
if (!empty($AdaptationSetAttr['SegmentTemplate']['timescale'])) {
// check if timescale exist in mpd in adaptationset level
$timescale = $AdaptationSetAttr['SegmentTemplate']['timescale'];
}
if (!empty($AdaptationSetAttr['SegmentTemplate']['presentationTimeOffset'])) {
// check if presentation time offset exist in adapatationset level
$timeoffset = $AdaptationSetAttr['SegmentTemplate']['presentationTimeOffset'];
}
if (!empty($AdaptationSetAttr['Representation']['SegmentTemplate'][$j]['timescale'])) {
//check time scale in presentation level
$timescale = $AdaptationSetAttr['Representation']['SegmentTemplate'][$j]['timescale'];
}
if (!empty($AdaptationSetAttr['Representation']['SegmentTemplate'][$j]['presentationTimeOffset'])) {
//check in segment template presentationtimeoffset in presentation level
$timeoffset = $AdaptationSetAttr['Representation']['SegmentTemplate'][$j]['presentationTimeOffset'];
}
if (!empty($AdaptationSetAttr['Representation']['presentationTimeOffset'][$j])) {
//check presentationtimeoffset in representationlevel
$timeoffset = $AdaptationSetAttr['Representation']['presentationTimeOffset'][$j];
}
$offsetmod = $timeoffset / $timescale;
// calculate presentationtimeoffset relative to timescale (in seconds)
$leafInfo[$j] = loadLeafInfoFile("/Adapt" . $i . "rep" . $j . "_infofile.txt", $offsetmod);
// load values within infofile
$leafInfo[$j]['id'] = $AdaptationSetAttr['Representation']['id'][$j];
//get representation ID
}
for ($j = 0; $j < sizeof($AdaptationSetAttr['Representation']['bandwidth']) - 1; $j++) {
for ($k = $j + 1; $k < sizeof($AdaptationSetAttr['Representation']['bandwidth']); $k++) {
checkAlignment($leafInfo[$j], $leafInfo[$k], $opfile, $segmentAlignment, $subsegmentAlignment, $bitstreamSwitching);
// check alignment
}
}
}
fprintf($opfile, "Checks completed.\n");
fclose($opfile);
$temp_string = str_replace(array('$Template$'), array("Adapt" . $i . "_infofile"), $string_info);
// place infofile data within HTML string
file_put_contents($locate . '/' . "Adapt" . $i . "_infofile.html", $temp_string);
// convert HTML string to HTML file
}
}
function processSidenote($data)
{
//Check type
$data->type = 'sidenote';
//Check name
if (isset($data->name)) {
$data->name = strip_tags($data->name);
} else {
$data->name = 'Sidenote';
}
//Check key
if (isset($data->key)) {
$re = "/^[a-z0-9]{10}\$/";
//Alphanumeric, and 10 characters
if (!preg_match($re, $data->key)) {
$abort = true;
$errorArray[] = "Invalid key for " . $data->name . " widget.";
}
}
//Check title
if (isset($data->title)) {
$data->title = strip_tags($data->title);
} else {
$data->title = 'Sample title';
}
//Check text
if (isset($data->text)) {
$data->text = htmLawed($data->text, array('safe' => 1, 'elements' => '*', 'deny_attribute' => ''));
$data->text = str_replace(" />", ">", $data->text);
} else {
$data->text = "";
}
//Check style
if (!empty($data->style)) {
$ds = $data->style;
if ($ds !== 'red' && $ds !== 'blue' && $ds !== 'green' && $ds !== 'white') {
$data->style = 'white';
//Invalid style, reset to white.
}
} else {
$data->style = "white";
}
//Check maxHeight is a number
if (!empty($data->maxHeight)) {
if (!filter_var($data->maxHeight, FILTER_VALIDATE_INT) || $data->maxHeight < 0) {
unset($data->maxHeight);
}
} else {
//maxHeight is optional
}
//Check index is a number
if (!empty($data->index)) {
if (!filter_var($data->index, FILTER_VALIDATE_INT) || $data->index < 0) {
unset($data->index);
}
} else {
//index is optional
}
$data = checkAlignment($data);
//From alignOptions.php
//Remove any invalid keys
$validKeys = (object) array('type' => '', 'name' => '', 'key' => '', 'title' => '', 'text' => '', 'style' => '', 'maxHeight' => '', 'index' => '', 'align' => '', 'margin' => '');
$data = (object) array_intersect_key(get_object_vars($data), get_object_vars($validKeys));
return $data;
}
function processContentGroup($data)
{
//Check type
/* echo "Data:<br><br>";
print_r($data);
echo "<br><br>";*/
$data->type = 'contentgroup';
//Check contentType
if (isset($data->contentType)) {
switch ($data->contentType) {
case "accordion":
$defaultName = 'Accordion';
$defaultSectionName = 'Accordion Section ';
break;
case "carousel":
$defaultName = 'Carousel';
$defaultSectionName = 'Carousel Slide ';
break;
case "sidenote":
$defaultName = 'Sidenote';
$defaultSectionName = 'none';
break;
default:
$abort = true;
$errorArray[] = "Invalid content type for " . $data->name . " widget.";
}
}
//Check name
if (isset($data->name)) {
$data->name = strip_tags($data->name);
} else {
$data->name = $defaultName;
}
//Check key
if (isset($data->key)) {
$re = "/^[a-z0-9]{10}\$/";
//Alphanumeric, and 10 characters
if (!preg_match($re, $data->key)) {
$abort = true;
$errorArray[] = "Invalid key for " . $data->name . " widget.";
}
}
//Check title
if (isset($data->title)) {
$data->title = strip_tags($data->title);
} else {
$data->title = 'Sample title';
}
//Validate sections
$validSections = [];
for ($i = 0; $i < count($data->sections); $i++) {
//Validate name
if (isset($data->sections[$i]->name)) {
$sectionName = strip_tags($data->sections[$i]->name);
} else {
$sectionName = $defaultSectionName + ($i + 1);
}
//Validate widgets
$sectionWidgets = [];
for ($j = 0; $j < count($data->sections[$i]->widgets); $j++) {
$widget = $data->sections[$i]->widgets[$j];
if (isset($widget->type)) {
switch ($widget->type) {
case "contentGroup":
$sectionWidgets[] = processContentGroup($widget);
break;
case "textBox":
$sectionWidgets[] = processTextBox($widget);
break;
case "imagewidget":
$sectionWidgets[] = processImageWidget($widget);
break;
case "video":
$sectionWidgets[] = processVideo($widget);
break;
case "model3d":
$sectionWidgets[] = processModel3d($widget);
break;
case "embeddocument":
$sectionWidgets[] = processEmbedDocument($widget);
break;
default:
break;
}
}
}
$validSections[] = (object) ['name' => $sectionName, 'widgets' => $sectionWidgets];
}
$data->sections = $validSections;
//Check maxHeight is a number
if (!empty($data->maxHeight)) {
if (!filter_var($data->maxHeight, FILTER_VALIDATE_INT) || $data->maxHeight < 0) {
unset($data->maxHeight);
}
} else {
//maxHeight is optional
}
//Check index is a number
if (!empty($data->index)) {
if (!filter_var($data->index, FILTER_VALIDATE_INT) || $data->index < 0) {
unset($data->index);
}
} else {
//index is optional
}
$data = checkAlignment($data);
//From alignOptions.php
//Remove any invalid keys
$validKeys = (object) array('type' => '', 'name' => '', 'contentType' => '', 'key' => '', 'title' => '', 'sections' => '', 'maxHeight' => '', 'index' => '', 'align' => '', 'margin' => '');
$data = (object) array_intersect_key(get_object_vars($data), get_object_vars($validKeys));
/*
print_r($data);
echo "<br><br>";*/
return $data;
}
