plateforme-tfjm2/server_files/controllers/view_file.php

<?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"]);
$type = "SOLUTION";

$req = $DB->query("SELECT * FROM `solutions` WHERE `file_id` = '$id';");
if (($data = $req->fetch()) === false) {
	$req = $DB->query("SELECT * FROM `syntheses` WHERE `file_id` = '$id';");
	$type = "SYNTHESE";

	if (($data = $req->fetch()) === false) {
		$req = $DB->query("SELECT * FROM `documents` WHERE `file_id` = '$id';");
		$type = "DOCUMENT";
		$data = $req->fetch();
	}
}

if ($data !== false) {
	$team = Team::fromId($data["team"]);
	$tournament = Tournament::fromId($data["tournament"]);
	$trigram = $team->getTrigram();
	if ($type == "SOLUTION") {
		$problem = $data["problem"];
		$name = "Problème $problem $trigram.pdf";

		if (($_SESSION["role"] == Role::PARTICIPANT || $_SESSION["role"] == Role::ENCADRANT) && (!isset($_SESSION["team"]) || $_SESSION["team"]->getId() != $team->getId()))
			require_once "server_files/403.php";

		// TODO Seuls les organisateurs concernés doivent pouvoir télécharger les fichiers
	}
	else if ($type == "SYNTHESE") {
		$dest = $data["dest"];
		$name = "Note de synthèse $trigram pour " . ($dest == "OPPOSANT" ? "l'opposant" : "le rapporteur") . ".pdf";

		// TODO Seuls les organisateurs, défenseurs, opposants et rapporteurs doivent pouvoir télécharger les fichiers
	}
	else if ($type == "DOCUMENT") {
		$user_id = $data["user"];
		$user = User::fromId($user_id);

		if (($_SESSION["role"] == Role::PARTICIPANT || $_SESSION["role"] == Role::ENCADRANT) && $user_id != $_SESSION["user_id"])
			require_once "server_files/403.php";

		// TODO Seuls les organisateurs concernés doivent pouvoir télécharger les fichiers

		$surname = $user->getSurname();
		$first_name = $user->getFirstName();
		switch ($data["type"]) {
			case "PARENTAL_CONSENT":
				$name = "Autorisation parentale";
				break;
			case "PHOTO_CONSENT":
				$name = "Autorisation de droit à l'image";
				break;
			case "SANITARY_PLUG":
				$name = "Fiche sanitaire";
				break;
		}
		$name .= " de $first_name $surname.pdf";
	}
}
else {
	require_once "server_files/404.php";
	http_response_code(404);
	exit();
}

header("Content-Type: application/pdf");
header("Content-Disposition: inline; filename=\"$name\"");

readfile("$URL_BASE/files/$id");

exit();