plateforme-corres2math/server_files/controllers/view_file.php

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<?php
if (!isset($_GET["file_id"])) {
header("Location: $URL_BASE");
exit();
}
if (!isset($_SESSION["user_id"]))
require_once "server_files/403.php";
$id = htmlspecialchars($_GET["file_id"]);
$file = Document::fromId($id);
if ($file !== null) {
$team = Team::fromId($file->getTeamId());;
$trigram = $team->getTrigram();
$user = User::fromId($file->getUserId());
$type = $file->getType();
if (($_SESSION["role"] == Role::PARTICIPANT || $_SESSION["role"] == Role::ENCADRANT) && $user->getId() != $_SESSION["user_id"])
require_once "server_files/403.php";
$surname = $user->getSurname();
$first_name = $user->getFirstName();
$name = "Autorisation de droit à l'image de $first_name $surname.pdf";
header("Content-Type: application/pdf");
}
else {
$question = Question::fromAttachedFile($id);
if ($question != null)
{
$from = Team::fromId($question->getFrom());
$to = Team::fromId($question->getTo());
$mime_type = finfo_file(finfo_open(FILEINFO_MIME_TYPE), "$LOCAL_PATH/files/$id");
$name = "Pièce jointe n°" . $question->getNumber() . " de l'équipe " . $from->getTrigram() . " pour l'équipe " . $from->getTrigram() . " (problème " . $question->getProblem() . ")";
switch ($mime_type) {
case "application/pdf":
$name .= "pdf";
break;
case "image/png":
$name .= ".png";
break;
case "image/jpg":
case "image/jpeg":
$name .= ".jpg";
break;
case "application/zip":
$name .= ".zip";
break;
}
header("Content-Type: " . $mime_type);
}
else
require_once "server_files/404.php";
}
header("Content-Disposition: inline; filename=\"$name\"");
readfile("$LOCAL_PATH/files/$id");
exit();