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video.php
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video.php
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<?php
header("Content-Type: application/json");
/**
* video
* metadata
*/
$UPLOADS_DIRECTORY = "uploads";
$VIDEO_EXTENSION = "webm";
// Validate the request
$validationResult = validateRequest();
if ($validationResult['status'] == 'error') {
echo json_encode($validationResult, true);
return;
}
// Check and create upload folder
try {
createFolder($UPLOADS_DIRECTORY);
} catch (Exception $e) {
echo json_encode([
"message" => "Something went wrong about create uploads folder",
"status" => "error"
]);
}
// Create unique target folder
try {
$targetFolder = createUniqueFolder($UPLOADS_DIRECTORY);
} catch (Exception $e) {
echo json_encode([
"message" => "Something went wrong create unique folder",
"status" => "error"
]);
}
// Upload the files
try {
$videoFile = $_FILES['video'];
$metaFile = $_FILES['metadata'];
$uploadResult = uploadFiles($targetFolder, $_FILES['video'], $_FILES['metadata']);
echo json_encode($uploadResult, true);
return;
} catch (Exception $e) {
echo json_encode([
"message" => "Something went wrong about file upload",
"status" => "error"
]);
}
// Validate the request data
function validateRequest()
{
$messages = [];
$status = 'error';
if (!isset($_FILES['video'])) {
$messages[] = 'video field is required as a file';
} else {
$extension = getExtension($_FILES['video']['name']);
if ($extension !== 'webm') {
$messages[] = 'video field is required as a .webm';
}
}
if (!isset($_FILES['metadata'])) {
$messages[] = 'metadata field is required as a file';
} else {
$extension = getExtension($_FILES['metadata']['name']);
if ($extension !== 'json') {
$messages[] = 'metadata field is required as a .json';
}
}
if (empty($messages)) {
$status = 'success';
}
return ['message' => join(', ', ($messages)), 'status' => $status];
}
// Get file extension
function getExtension($filename)
{
return strtolower(pathinfo(basename($filename), PATHINFO_EXTENSION));
}
// Create the folder if it does not exists
function createFolder($folder = '')
{
if (file_exists($folder)) {
return;
}
mkdir($folder);
return;
}
// Create unique folder
function createUniqueFolder($parentDirectory)
{
$name = uniqid();
$dir = $parentDirectory . '/' . $name;
if (!file_exists($dir)) {
if (mkdir($dir) === true) {
return $dir;
}
}
return createUniqueFolder($parentDirectory);
}
// Upload video and meta file in target folder
function uploadFiles($targetFolder, $videoFile, $metaFile)
{
$status = 'error';
$messages = [];
$targetVideoFile = $targetFolder . '/' . basename($videoFile['name']);
if (!move_uploaded_file($videoFile['tmp_name'], $targetVideoFile)) {
$messages[] = 'Sorry, there was an error uploading video file.';
}
$targetMetaFile = $targetFolder . '/' . basename($metaFile['name']);
if (!move_uploaded_file($metaFile['tmp_name'], $targetMetaFile)) {
$messages[] = 'Sorry, there was an error uploading metadata file.';
}
if (empty($messages)) {
$status = 'success';
$messages[] = 'File uploded successfully';
}
return ['message' => join(', ', ($messages)), 'status' => $status];
}