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<?php
require_once "config.php";
require_once "include/functions.php";
$op = $_REQUEST["op"];
header("Content-type: text/json");
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
init_connection($link);
$owner = db_escape_string($_SERVER["PHP_AUTH_USER"]);
if (!$owner) {
print json_encode(["error" => "NOT_AUTHENTICATED"]);
die;
}
ob_start("ob_gzhandler");
switch ($op) {
case "cover":
$id = (int) $_REQUEST["id"];
$db = new SQLite3(CALIBRE_DB, SQLITE3_OPEN_READONLY);
$result = $db->query("SELECT has_cover, path FROM books WHERE id = " . $id);
while ($line = $result->fetchArray(SQLITE3_ASSOC)) {
$filename = BOOKS_DIR . "/" . $line["path"] . "/" . "cover.jpg";
if (file_exists($filename)) {
$base_filename = basename($filename);
header("Content-type: " . mime_content_type($filename));
readfile($filename);
} else {
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
echo "File not found.";
}
}
break;
case "download":
$id = (int) $_REQUEST["id"];
$db = new SQLite3(CALIBRE_DB, SQLITE3_OPEN_READONLY);
$result = $db->query("SELECT path, name, format FROM data LEFT JOIN books ON (data.book = books.id) WHERE data.id = " . $id);
while ($line = $result->fetchArray(SQLITE3_ASSOC)) {
$filename = BOOKS_DIR . "/" . $line["path"] . "/" . $line["name"] . "." . strtolower($line["format"]);
if (file_exists($filename)) {
$base_filename = basename($filename);
header("Content-type: " . mime_content_type($filename));
header("Content-Disposition: attachment; filename=\"$base_filename\"");
readfile($filename);
} else {
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
echo "File not found.";
}
}
break;
case "getpagination":
$bookid = (int) $_REQUEST["id"];
if ($bookid) {
$result = db_query($link, "SELECT pagination FROM epube_pagination WHERE bookid = '$bookid' LIMIT 1");
if (db_num_rows($result) != 0) {
print db_fetch_result($result, 0, "pagination");
} else {
print json_encode(["error" => "NOT_FOUND"]);
}
}
break;
case "storepagination":
$bookid = (int) $_REQUEST["id"];
$payload = db_escape_string($_REQUEST["payload"]);
$total_pages = (int) $_REQUEST["total"];
if ($bookid && $payload && $total_pages) {
db_query($link, "BEGIN");
$result = db_query($link, "SELECT id FROM epube_pagination WHERE bookid = '$bookid' LIMIT 1");
if (db_num_rows($result) != 0) {
$id = db_fetch_result($result, 0, "id");
db_query($link, "UPDATE epube_pagination SET pagination = '$payload',
total_pages = '$total_pages' WHERE id = '$id'");
} else {
db_query($link, "INSERT INTO epube_pagination (bookid, pagination, total_pages) VALUES
('$bookid', '$payload', '$total_pages')");
}
db_query($link, "COMMIT");
}
break;
case "getlastread":
$bookid = (int) $_REQUEST["id"];
$lastread = -1;
if ($bookid) {
$result = db_query($link, "SELECT id, lastread FROM epube_books
WHERE bookid = '$bookid' AND owner = '$owner' LIMIT 1");
if (db_num_rows($result) != 0) {
$lastread = (int) db_fetch_result($result, 0, "lastread");
}
}
print json_encode(["lastread" => $lastread]);
break;
case "storelastread":
$page = (int) $_REQUEST["page"];
$bookid = (int) $_REQUEST["id"];
if ($page && $bookid) {
db_query($link, "BEGIN");
$result = db_query($link, "SELECT id, lastread FROM epube_books
WHERE bookid = '$bookid' AND owner = '$owner' LIMIT 1");
if (db_num_rows($result) != 0) {
$id = db_fetch_result($result, 0, "id");
$lastread = (int) db_fetch_result($result, 0, "lastread");
if ($lastread < $page || $page == -1) {
if ($page == -1) $page = 0;
db_query($link, "UPDATE epube_books SET lastread = '$page' WHERE id = '$id'");
}
} else {
db_query($link, "INSERT INTO epube_books (bookid, owner, lastread) VALUES
('$bookid', '$owner', '$page')");
}
db_query($link, "COMMIT");
}
print $page;
break;
default:
print json_encode(["error" => "UNKNOWN_METHOD"]);
}
?>
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