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<?php
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set_include_path(get_include_path() . PATH_SEPARATOR .
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dirname(__FILE__) . "/include");
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require_once "functions.php";
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require_once "sessions.php";
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require_once "sanity_check.php";
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require_once "config.php";
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require_once "db.php";
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$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
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if (!init_connection($link)) return;
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login_sequence($link);
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$owner_uid = $_SESSION["uid"];
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if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
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$_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
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render_login_form($link);
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exit;
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}
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?>
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<html>
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<head>
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<title>Database Updater</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link rel="stylesheet" type="text/css" href="utility.css">
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</head>
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<body>
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<script type='text/javascript'>
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function confirmOP() {
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return confirm(__("Update the database?"));
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}
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</script>
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<div class="floatingLogo"><img src="images/logo_wide.png"></div>
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<h1><?php echo __("Database Updater") ?></h1>
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<?php
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function getline($fp, $delim) {
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$result = "";
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while(!feof($fp)) {
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$tmp = fgetc($fp);
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if($tmp == $delim) {
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return $result;
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}
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$result .= $tmp;
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}
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return $result;
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}
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$op = $_POST["op"];
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$result = db_query($link, "SELECT schema_version FROM ttrss_version");
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$version = db_fetch_result($result, 0, "schema_version");
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$update_files = glob("schema/versions/".DB_TYPE."/*sql");
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$update_versions = array();
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foreach ($update_files as $f) {
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$m = array();
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preg_match_all("/schema\/versions\/".DB_TYPE."\/(\d*)\.sql/", $f, $m,
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PREG_PATTERN_ORDER);
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if ($m[1][0]) {
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$update_versions[$m[1][0]] = $f;
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}
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}
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ksort($update_versions, SORT_NUMERIC);
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$latest_version = max(array_keys($update_versions));
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if ($version == $latest_version) {
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if ($version != SCHEMA_VERSION) {
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print_error(__("Could not update database"));
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print "<p>" .
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__("Could not find necessary schema file, need version:") .
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" " . SCHEMA_VERSION . __(", found: ") . $latest_version . "</p>";
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} else {
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print_notice(__("Tiny Tiny RSS database is up to date."));
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print "<form method=\"GET\" action=\"index.php\">
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<input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
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</form>";
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}
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} else if ($version <= $latest_version && !$op) {
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print_warning(__("Please backup your database before proceeding."));
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print "<p>" . T_sprintf("Your Tiny Tiny RSS database needs update to the latest version (<b>%d</b> to <b>%d</b>).", $version, $latest_version) . "</p>";
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/* print "<p>Available incremental updates:";
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foreach (array_keys($update_versions) as $v) {
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if ($v > $version) {
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print " <a href='$update_versions[$v]'>$v</a>";
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}
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} */
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print "</p>";
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print "<form method='POST'>
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<input type='hidden' name='op' value='do'>
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<input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
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</form>";
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} else if ($op == "do") {
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print "<p>".__("Performing updates...")."</p>";
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$num_updates = 0;
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foreach (array_keys($update_versions) as $v) {
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if ($v == $version + 1) {
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print "<p>".T_sprintf("Updating to version %d...", $v)."</p>";
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db_query($link, "BEGIN");
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$fp = fopen($update_versions[$v], "r");
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if ($fp) {
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while (!feof($fp)) {
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$query = trim(getline($fp, ";"));
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if ($query != "") {
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print "<p class='query'>$query</p>";
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db_query($link, $query);
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}
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}
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}
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fclose($fp);
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db_query($link, "COMMIT");
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print "<p>".__("Checking version... ");
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$result = db_query($link, "SELECT schema_version FROM ttrss_version");
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$version = db_fetch_result($result, 0, "schema_version");
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if ($version == $v) {
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print __("OK!");
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} else {
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print "<b>".__("ERROR!")."</b>";
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return;
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}
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$num_updates++;
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}
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}
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print "<p>".T_sprintf("Finished. Performed <b>%d</b> update(s) up to schema
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version <b>%d</b>.", $num_updates, $version)."</p>";
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print "<form method=\"GET\" action=\"backend.php\">
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<input type=\"hidden\" name=\"op\" value=\"logout\">
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<input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
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</form>";
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} else if ($version >= $latest_version) {
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print_error(__("Your database schema is from a newer version of Tiny Tiny RSS."));
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print "<p>" . T_sprintf("Found schema version: <b>%d</b>, required: <b>%d</b>.", $version, $latest_version) . "</p>";
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print "<p>" . __("Schema upgrade impossible. Please update Tiny Tiny RSS files to the newer version and continue.") . "</p>";
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print "<form method=\"GET\" action=\"backend.php\">
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<input type=\"hidden\" name=\"op\" value=\"logout\">
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<input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
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</form>";
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}
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?>
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</body>
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</html>
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