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ttrss_ynh/source/install/index.php
2013-11-24 11:03:28 +01:00

498 lines
14 KiB
PHP

<html>
<head>
<title>Tiny Tiny RSS - Installer</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="../css/utility.css">
<style type="text/css">
textarea { font-size : 12px; }
</style>
</head>
<body>
<?php
function make_password($length = 8) {
$password = "";
$possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ*%+^";
$i = 0;
while ($i < $length) {
$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
if (!strstr($password, $char)) {
$password .= $char;
$i++;
}
}
return $password;
}
function sanity_check($db_type) {
$errors = array();
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
array_push($errors, "PHP version 5.3.0 or newer required.");
}
if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
array_push($errors, "PHP configuration option allow_url_fopen is disabled, and CURL functions are not present. Either enable allow_url_fopen or install PHP extension for CURL.");
}
if (!function_exists("json_encode")) {
array_push($errors, "PHP support for JSON is required, but was not found.");
}
if ($db_type == "mysql" && !function_exists("mysql_connect") && !function_exists("mysqli_connect")) {
array_push($errors, "PHP support for MySQL is required for configured $db_type in config.php.");
}
if ($db_type == "pgsql" && !function_exists("pg_connect")) {
array_push($errors, "PHP support for PostgreSQL is required for configured $db_type in config.php");
}
if (!function_exists("mb_strlen")) {
array_push($errors, "PHP support for mbstring functions is required but was not found.");
}
if (!function_exists("hash")) {
array_push($errors, "PHP support for hash() function is required but was not found.");
}
if (!function_exists("ctype_lower")) {
array_push($errors, "PHP support for ctype functions are required by HTMLPurifier.");
}
if (!function_exists("iconv")) {
array_push($errors, "PHP support for iconv is required to handle multiple charsets.");
}
/* if (ini_get("safe_mode")) {
array_push($errors, "PHP safe mode setting is not supported.");
} */
if (!class_exists("DOMDocument")) {
array_push($errors, "PHP support for DOMDocument is required, but was not found.");
}
return $errors;
}
function print_error($msg) {
print "<div class='error'><span><img src='../images/alert.png'></span>
<span>$msg</span></div>";
}
function print_notice($msg) {
print "<div class=\"notice\">
<span><img src=\"../images/information.png\"></span><span>$msg</span></div>";
}
function db_connect($host, $user, $pass, $db, $type, $port = false) {
if ($type == "pgsql") {
$string = "dbname=$db user=$user";
if ($pass) {
$string .= " password=$pass";
}
if ($host) {
$string .= " host=$host";
}
if ($port) {
$string = "$string port=" . $port;
}
$link = pg_connect($string);
return $link;
} else if ($type == "mysql") {
if (function_exists("mysqli_connect")) {
if ($port)
return mysqli_connect($host, $user, $pass, $db, $port);
else
return mysqli_connect($host, $user, $pass, $db);
} else {
$link = mysql_connect($host, $user, $pass);
if ($link) {
$result = mysql_select_db($db, $link);
if ($result) return $link;
}
}
}
}
function make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
$DB_PORT, $SELF_URL_PATH) {
$data = explode("\n", file_get_contents("../config.php-dist"));
$rv = "";
$finished = false;
if (function_exists("mcrypt_decrypt")) {
$crypt_key = make_password(24);
} else {
$crypt_key = "";
}
foreach ($data as $line) {
if (preg_match("/define\('DB_TYPE'/", $line)) {
$rv .= "\tdefine('DB_TYPE', '$DB_TYPE');\n";
} else if (preg_match("/define\('DB_HOST'/", $line)) {
$rv .= "\tdefine('DB_HOST', '$DB_HOST');\n";
} else if (preg_match("/define\('DB_USER'/", $line)) {
$rv .= "\tdefine('DB_USER', '$DB_USER');\n";
} else if (preg_match("/define\('DB_NAME'/", $line)) {
$rv .= "\tdefine('DB_NAME', '$DB_NAME');\n";
} else if (preg_match("/define\('DB_PASS'/", $line)) {
$rv .= "\tdefine('DB_PASS', '$DB_PASS');\n";
} else if (preg_match("/define\('DB_PORT'/", $line)) {
$rv .= "\tdefine('DB_PORT', '$DB_PORT');\n";
} else if (preg_match("/define\('SELF_URL_PATH'/", $line)) {
$rv .= "\tdefine('SELF_URL_PATH', '$SELF_URL_PATH');\n";
} else if (preg_match("/define\('FEED_CRYPT_KEY'/", $line)) {
$rv .= "\tdefine('FEED_CRYPT_KEY', '$crypt_key');\n";
} else if (!$finished) {
$rv .= "$line\n";
}
if (preg_match("/\?\>/", $line)) {
$finished = true;
}
}
return $rv;
}
function db_query($link, $query, $type, $die_on_error = true) {
if ($type == "pgsql") {
$result = pg_query($link, $query);
if (!$result) {
$query = htmlspecialchars($query); // just in case
if ($die_on_error) {
die("Query <i>$query</i> failed [$result]: " . ($link ? pg_last_error($link) : "No connection"));
}
}
return $result;
} else if ($type == "mysql") {
if (function_exists("mysqli_connect")) {
$result = mysqli_query($link, $query);
} else {
$result = mysql_query($query, $link);
}
if (!$result) {
$query = htmlspecialchars($query);
if ($die_on_error) {
die("Query <i>$query</i> failed: " . ($link ? function_exists("mysqli_connect") ? mysqli_error($link) : mysql_error($link) : "No connection"));
}
}
return $result;
}
}
function make_self_url_path() {
$url_path = ((!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on") ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
return $url_path;
}
?>
<div class="floatingLogo"><img src="../images/logo_small.png"></div>
<h1>Tiny Tiny RSS Installer</h1>
<div class='content'>
<?php
if (file_exists("../config.php")) {
require "../config.php";
if (!defined('_INSTALLER_IGNORE_CONFIG_CHECK')) {
print_error("Error: config.php already exists in tt-rss directory; aborting.");
exit;
}
}
@$op = $_REQUEST['op'];
@$DB_HOST = strip_tags($_POST['DB_HOST']);
@$DB_TYPE = strip_tags($_POST['DB_TYPE']);
@$DB_USER = strip_tags($_POST['DB_USER']);
@$DB_NAME = strip_tags($_POST['DB_NAME']);
@$DB_PASS = strip_tags($_POST['DB_PASS']);
@$DB_PORT = strip_tags($_POST['DB_PORT']);
@$SELF_URL_PATH = strip_tags($_POST['SELF_URL_PATH']);
if (!$SELF_URL_PATH) {
$SELF_URL_PATH = preg_replace("/\/install\/$/", "/", make_self_url_path());
}
?>
<form action="" method="post">
<input type="hidden" name="op" value="testconfig">
<h2>Database settings</h2>
<?php
$issel_pgsql = $DB_TYPE == "pgsql" ? "selected" : "";
$issel_mysql = $DB_TYPE == "mysql" ? "selected" : "";
?>
<fieldset>
<label>Database type</label>
<select name="DB_TYPE">
<option <?php echo $issel_pgsql ?> value="pgsql">PostgreSQL</option>
<option <?php echo $issel_mysql ?> value="mysql">MySQL</option>
</select>
</fieldset>
<fieldset>
<label>Username</label>
<input required name="DB_USER" size="20" value="<?php echo $DB_USER ?>"/>
</fieldset>
<fieldset>
<label>Password</label>
<input required name="DB_PASS" size="20" type="password" value="<?php echo $DB_PASS ?>"/>
</fieldset>
<fieldset>
<label>Database name</label>
<input required name="DB_NAME" size="20" value="<?php echo $DB_NAME ?>"/>
</fieldset>
<fieldset>
<label>Host name</label>
<input name="DB_HOST" size="20" value="<?php echo $DB_HOST ?>"/>
<span class="hint">If needed</span>
</fieldset>
<fieldset>
<label>Port</label>
<input name="DB_PORT" type="number" size="20" value="<?php echo $DB_PORT ?>"/>
<span class="hint">Usually 3306 for MySQL or 5432 for PostgreSQL</span>
</fieldset>
<h2>Other settings</h2>
<p>This should be set to the location your Tiny Tiny RSS will be available on.</p>
<fieldset>
<label>Tiny Tiny RSS URL</label>
<input type="url" name="SELF_URL_PATH" placeholder="<?php echo $SELF_URL_PATH; ?>" size="60" value="<?php echo $SELF_URL_PATH ?>"/>
</fieldset>
<p><input type="submit" value="Test configuration"></p>
</form>
<?php if ($op == 'testconfig') { ?>
<h2>Checking configuration</h2>
<?php
$errors = sanity_check($DB_TYPE);
if (count($errors) > 0) {
print "<p>Some configuration tests failed. Please correct them before continuing.</p>";
print "<ul>";
foreach ($errors as $error) {
print "<li style='color : red'>$error</li>";
}
print "</ul>";
exit;
}
$notices = array();
if (!function_exists("curl_init")) {
array_push($notices, "It is highly recommended to enable support for CURL in PHP.");
}
if (count($notices) > 0) {
print_notice("Configuration check succeeded with minor problems:");
print "<ul>";
foreach ($notices as $notice) {
print "<li>$notice</li>";
}
print "</ul>";
} else {
print_notice("Configuration check succeeded.");
}
?>
<h2>Checking database</h2>
<?php
$link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
if (!$link) {
print_error("Unable to connect to database using specified parameters.");
exit;
}
print_notice("Database test succeeded."); ?>
<h2>Initialize database</h2>
<p>Before you can start using tt-rss, database needs to be initialized. Click on the button below to do that now.</p>
<?php
$result = @db_query($link, "SELECT true FROM ttrss_feeds", $DB_TYPE, false);
if ($result) {
print_error("Existing tt-rss tables will be removed from the database. If you would like to keep your data, skip database initialization.");
$need_confirm = true;
} else {
$need_confirm = false;
}
?>
<table><tr><td>
<form method="post">
<input type="hidden" name="op" value="installschema">
<input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
<input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
<input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
<input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
<input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
<input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
<input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
<?php if ($need_confirm) { ?>
<p><input onclick="return confirm('Please read the warning above. Continue?')" type="submit" value="Initialize database" style="color : red"></p>
<?php } else { ?>
<p><input type="submit" value="Initialize database" style="color : red"></p>
<?php } ?>
</form>
</td><td>
<form method="post">
<input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
<input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
<input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
<input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
<input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
<input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
<input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
<input type="hidden" name="op" value="skipschema">
<p><input type="submit" value="Skip initialization"></p>
</form>
</td></tr></table>
<?php
} else if ($op == 'installschema' || $op == 'skipschema') {
$link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
if (!$link) {
print_error("Unable to connect to database using specified parameters.");
exit;
}
if ($op == 'installschema') {
print "<h2>Initializing database...</h2>";
$lines = explode(";", preg_replace("/[\r\n]/", "", file_get_contents("../schema/ttrss_schema_".basename($DB_TYPE).".sql")));
foreach ($lines as $line) {
if (strpos($line, "--") !== 0 && $line) {
db_query($link, $line, $DB_TYPE);
}
}
print_notice("Database initialization completed.");
} else {
print_notice("Database initialization skipped.");
}
print "<h2>Generated configuration file</h2>";
print "<p>Copy following text and save as <code>config.php</code> in tt-rss main directory. It is suggested to read through the file to the end in case you need any options changed fom default values.</p>";
print "<p>After copying the file, you will be able to login with default username and password combination: <code>admin</code> and <code>password</code>. Don't forget to change the password immediately!</p>"; ?>
<form action="" method="post">
<input type="hidden" name="op" value="saveconfig">
<input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
<input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
<input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
<input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
<input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
<input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
<input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
<?php print "<textarea cols=\"80\" rows=\"20\">";
echo make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
$DB_PORT, $SELF_URL_PATH);
print "</textarea>"; ?>
<?php if (is_writable("..")) { ?>
<p>We can also try saving the file automatically now.</p>
<p><input type="submit" value="Save configuration"></p>
</form>
<?php } else {
print_error("Unfortunately, parent directory is not writable, so we're unable to save config.php automatically.");
}
print_notice("You can generate the file again by changing the form above.");
} else if ($op == "saveconfig") {
print "<h2>Saving configuration file to parent directory...</h2>";
if (!file_exists("../config.php")) {
$fp = fopen("../config.php", "w");
if ($fp) {
$written = fwrite($fp, make_config($DB_TYPE, $DB_HOST,
$DB_USER, $DB_NAME, $DB_PASS,
$DB_PORT, $SELF_URL_PATH));
if ($written > 0) {
print_notice("Successfully saved config.php. You can try <a href=\"..\">loading tt-rss now</a>.");
} else {
print_notice("Unable to write into config.php in tt-rss directory.");
}
fclose($fp);
} else {
print_error("Unable to open config.php in tt-rss directory for writing.");
}
} else {
print_error("config.php already present in tt-rss directory, refusing to overwrite.");
}
}
?>
</div>
</body>
</html>