yacos/server/api.php

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<?php
// This is just a dummy implementation during the development of the GTK+3 GUI
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if ($_SERVER['HTTP_X_TOKEN'] != "123456") {
http_response_code(403);
die("Invalid token.\n");
}
$id = $_GET['id'];
preg_match("/^[A-Za-z0-9]{6,10}$/", $id, $matches);
if (!$matches) {
http_response_code(400);
die ("Invalid tag ID.");
}
// $id is now safe to use
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if (isset($_GET['meta'])) {
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if ($id == "BF09CE") {
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?>
{
"title" : "Cute Wifi Cat",
"description" : "802.11nya~",
"comment" : "It's mewine!"
}
<?php
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} else if ($id == "BE6200") {
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?>
{
"title" : "Crazy Stuff",
"description" : "It blinks. Or explodes.",
"comment" : "Like the kittens."
}
<?php
} else {
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http_response_code(400);
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?>
{
"title" : "INVALID",
"description" : "INVALID",
"comment" : "INVALID"
}
<?php
}
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} else if (isset($_GET['image'])) {
header('Content-Type: image/png');
$fn = "img/$id.png";
if (file_exists($fn)) {
readfile($fn);
} else {
http_response_code(404);
die ("Image not found.");
}
} else {
http_response_code(400);
die("Invalid request.");
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}
?>