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file_metadata.json and refactoring

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Ryan
2025-02-21 20:54:13 -05:00
committed by GitHub
parent 402989e4f5
commit 7cbd98f90e
1 changed files with 35 additions and 62 deletions
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97
upload.php
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@@ -1,75 +1,48 @@
<?php <?php
require_once 'config.php'; require_once 'config.php';
require_once 'auth.php'; session_start();
header('Content-Type: application/json');
// Function to convert size to bytes if (!isset($_SESSION['authenticated']) || $_SESSION['authenticated'] !== true) {
function convertToBytes($size) { echo json_encode(["error" => "Unauthorized"]);
$number = substr($size, 0, -1); exit;
switch (strtoupper(substr($size, -1))) {
case 'G':
return $number * 1024 * 1024 * 1024;
case 'M':
return $number * 1024 * 1024;
case 'K':
return $number * 1024;
default:
return $size;
}
} }
// Function to get the total size of files in the directory $uploadDir = UPLOAD_DIR;
function getDirectorySize($dir) { $metadataFile = "file_metadata.json";
$size = 0;
foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir)) as $file) { if (!file_exists($uploadDir)) {
if ($file->isFile()) { mkdir($uploadDir, 0775, true);
$size += $file->getSize();
}
}
return $size;
} }
// Check if the form was submitted // Load existing metadata
if ($_SERVER['REQUEST_METHOD'] == 'POST') { $metadata = file_exists($metadataFile) ? json_decode(file_get_contents($metadataFile), true) : [];
// Get the username and password $metadataChanged = false;
$username = $_POST['username'];
$password = $_POST['password'];
$fileDateTime = isset($_POST['fileDateTime']) ? (int)$_POST['fileDateTime'] / 1000 : time();
// Validate the credentials using the Flask backend foreach ($_FILES["file"]["name"] as $index => $fileName) {
if (authenticate($username, $password)) { $filePath = $uploadDir . basename($fileName);
// Check if a file was uploaded
if (isset($_FILES['file']) && $_FILES['file']['error'] == 0) {
$uploadFile = UPLOAD_DIR . basename($_FILES['file']['name']);
$tmpFile = $_FILES['file']['tmp_name'];
// Get the total upload limit from config and convert to bytes if (move_uploaded_file($_FILES["file"]["tmp_name"][$index], $filePath)) {
$totalUploadLimit = convertToBytes(TOTAL_UPLOAD_SIZE); // Store "Uploaded Date" and "Uploader" only if not already stored
// Get the current size of the upload directory if (!isset($metadata[$fileName])) {
$currentDirSize = getDirectorySize(UPLOAD_DIR); $uploadedDate = date(DATE_TIME_FORMAT); // Store only the first upload time
// Get the size of the new file $uploader = $_SESSION['username'] ?? "Unknown";
$fileSize = $_FILES['file']['size']; $metadata[$fileName] = [
"uploaded" => $uploadedDate,
// Check if adding the new file exceeds the total upload limit "uploader" => $uploader
if (($currentDirSize + $fileSize) > $totalUploadLimit) { ];
echo "Upload denied. Total upload limit exceeded."; $metadataChanged = true;
} else {
// Move the uploaded file to the specified directory
if (move_uploaded_file($tmpFile, $uploadFile)) {
// Preserve the original file modification time
touch($uploadFile, $fileDateTime);
echo "File is valid, and was successfully uploaded.";
} else {
echo "File upload failed! ";
print_r(error_get_last());
}
}
} else {
echo "No file uploaded or file upload error!";
echo "Error code: " . $_FILES['file']['error'];
} }
} else { } else {
echo "Invalid username or password!"; echo json_encode(["error" => "Error uploading file"]);
exit;
} }
} else {
echo "Invalid request method!";
} }
// Save metadata only if modified
if ($metadataChanged) {
file_put_contents($metadataFile, json_encode($metadata, JSON_PRETTY_PRINT));
}
echo json_encode(["success" => "Files uploaded successfully"]);
?>