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<?php |
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namespace App\Domains; |
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use Illuminate\Support\Facades\Log; |
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use Illuminate\Support\Facades\Auth; |
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use Illuminate\Support\Facades\Storage; |
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use Zip; |
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use Carbon\Carbon; |
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use App\Files; |
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class DownloadDomain |
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{ |
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protected $file, $user, $file_id, $file_name; |
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public function __construct() |
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{ |
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if(Auth::check()) |
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{ |
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$this->user = Auth::user()->full_name; |
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} |
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else |
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{ |
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$this->user = \Request::ip(); |
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} |
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} |
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public function setFileDetails($fileID, $fileName) |
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{ |
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$this->file_id = $fileID; |
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$this->file_name = $fileName; |
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$this->file = Files::where('file_id', $fileID)->where('file_name', $fileName)->first(); |
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Log::debug('File Details set for new file download by '.$this->user.'. Details - ', array($this->file)); |
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} |
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public function getFileLinkForDownload() |
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{ |
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Log::info('User '.$this->user.' is downloading a file. Details - ', array($this->file)); |
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return $this->file->file_link.$this->file->file_name; |
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} |
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// Determine if the file is actually a valid file - name and ID must match |
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public function isFileValid() |
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{ |
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$valid = $this->file ? true : false; |
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if(!$valid) |
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{ |
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Log::error('User '.$this->user.' is attempting to download an invalid file. Details - ', ['File ID' => $this->file_id, 'File Name' => $this->file_name]); |
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} |
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else if(!Storage::exists($this->file->file_link.$this->file->file_name)) |
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{ |
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$valid = false; |
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Log::error('User '.$this->user.' is attempting to download a missing file. Details - ', ['File ID' => $this->file_id, 'File Name' => $this->file_name, 'File Path' => $this->file->file_link]); |
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} |
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return $valid; |
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} |
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// Determine if the file is public or if the user is logged in |
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public function canUserDownload() |
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{ |
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if($this->file->public || Auth::check()) |
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{ |
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return true; |
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} |
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Log::error('User '.$this->user.' is attempting to download a file they do not have permission to download. Details - ', ['File ID' => $this->file_id, 'File Name' => $this->file_name]); |
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return false; |
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} |
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// Create an archive of files that the user can download in a single zip |
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public function createArchive($fileArr) |
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{ |
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// Create the zip archive structure |
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$rootPath = config('filesystems.disks.local.root').DIRECTORY_SEPARATOR; |
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$archivePath = 'archive_downloads'.DIRECTORY_SEPARATOR; |
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$archiveName = 'zip_archive_'.Carbon::now()->timestamp.'.zip'; |
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Storage::put($archivePath.'.ignore', ''); |
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$absolutePath = $rootPath.$archivePath.$archiveName; |
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// Create the zip archive |
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$zip = Zip::create($absolutePath); |
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Log::info('Zip archive '.$absolutePath.' opened for user '.$this->user); |
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// Add files to the archive |
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foreach($fileArr as $file) |
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{ |
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$this->setFileDetails($file['file_id'], $file['file_name']); |
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if($this->isFileValid() && $this->canUserDownload()) |
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{ |
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$filePath = $this->file->file_link.$this->file->file_name; |
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$zip->add($rootPath.$filePath); |
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Log::info('File '.$filePath.' added to File Archive '.$archiveName.' by '.$this->user); |
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} |
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} |
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// Close the zip archive |
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$zip->close(); |
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Log::info('Zip archive '.$archiveName.' creation completed'); |
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return $archiveName; |
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} |
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// Validate that a given archive name exists - returns the full path of the archive |
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public function validateArchive($archiveName) |
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{ |
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$rootPath = config('filesystems.disks.local.root').DIRECTORY_SEPARATOR; |
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$archivePath = 'archive_downloads'.DIRECTORY_SEPARATOR; |
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if(Storage::exists($archivePath.$archiveName)) |
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{ |
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return $rootPath.$archivePath.$archiveName; |
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} |
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return false; |
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} |
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// Delete the archive after it has been downloaded |
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public function deleteArchive($archiveName) |
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{ |
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Storage::delete('archive_downloads'.DIRECTORY_SEPARATOR.$archiveName); |
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Log::debug('Archive '.$archiveName.' deleted after download'); |
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} |
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} |
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butcherman /
Tech_Bench
