#!/usr/bin/php

<?php

require dirname(__FILE__) . '/vendor/autoload.php';

require dirname(__FILE__) . '/lib/colours.class.php';

require dirname(__FILE__) . '/lib/helpers.php';

require dirname(__FILE__) . '/lib/whippet.class.php';

require dirname(__FILE__) . '/lib/launcher-functions.php';

//

// Check that the environment we're running in is sane, and explain what's

// wrong if it's not.

//

// PHP version

if (version_compare(PHP_VERSION, '5.4.0', '<')) {

die_with_error("whippet requires PHP 5.4 or greater");

}

// MySQL or sqlite/PDO extensions

// Libnotify

$output = array();

exec("which notify-send", $output);

if(!empty($output[0]) && file_exists(trim($output[0]))) {

define("WPS_LIBNOTIFY_PATH", trim($output[0]));

}

// Timezone

date_default_timezone_set('UTC');

// HOME

if(empty($_SERVER['HOME'])) {

echo Colours::fg('brown') . "Warning: " . Colours::fg("white") . "Unable to find a HOME environment variable. Paths containing ~ may not be found .\n";

}

//

// Parse and validate arguments

//

// If the user specified invalid options, this will not return

$options = parse_arguments($argv);

// Emit help, if required, and then exit

if(isset($options['h']) || isset($options['help'])) {

usage();

}

// Capture the path to WordPress, if given

if(!empty($argv[0])) {

$options['wp-root'] = $argv[0];

}

// Is there a mime.types file?

if(!file_exists($options['mime-file'])) {

$local_fallback = dirname(__FILE__) . '/etc/mime.types';

if(!file_exists($options['mime-file'])) {

die_with_error(

"Unable to find file {$options['mime-file']}, and failed to load fallback",

"You can obtain the most recent mime file here:\n\n http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types\n\nInstruct Whippet to use this file using the --mime-file argument, or save it to /etc/mime.types");

}

else {

$options['mime-file'] = $local_fallback;

}

}

// Is the specified port sane?

if(!preg_match('/\d+/', $options['p']) || $options['p'] > 65536 || $options['p'] < 1) {

die_with_error("Expected -p to give a port number between 1 and 65536");

}

// If wp-root is the current directory, set it to the absolute path

if($options['wp-root'] == '.') {

$options['wp-root'] = getcwd();

}

// If --show-everything is given, set and unset the appropriate options

if($options['show-everything']) {

unset($options['no-sql']);

unset($options['no-sql']);

unset($options['no-templates']);

unset($options['no-assets']);

unset($options['no-params']);

unset($options['no-scripts']);

$options['show-wp-hooks'] = true;

$options['show-wp-errors'] = true;

$options['show-wp-queries'] = true;

$options['show-hooks'] = '.*';

$options['show-errors'] = 'E_ALL';

}

// Convert --show-hooks into an array

$show_hooks = explode(',', $options['show-hooks']);

$show_hooks = array_map('trim', $show_hooks);

$options['show-hooks'] = $show_hooks;

// Make sure that all paths are real paths

$options['wp-root'] = realpathex($options['wp-root']);

$options['wordpresses'] = realpathex($options['wordpresses']);

$options['mime-file'] = realpathex($options['mime-file']);

// Convert the show-errors field to something useful

$show_errors = @eval("return {$options['show-errors']};");

if($show_errors === false) {

die_with_error(

"Unable to evaluate error specification: {$options['show-errors']}",

"The specification must be valid PHP code that identifies a set of errors to be displayed.\n" .

"See the manual for more information: http://php.net/manual/en/function.error-reporting.php"

);

}

else {

$options['show-errors'] = $show_errors;

}

// Libnotify?

if(defined('WPS_LIBNOTIFY_PATH')) {

$options['libnotify'] = WPS_LIBNOTIFY_PATH;

}

// Now that we have a root, figure out what it points to.

// If a wordpress folder, assume everything is standard

// If a wp-content folder, assume that there is no WP folder and

// that we need to twiddle things around

if((file_exists($options['wp-root'] . '/wp-config.php') || file_exists($options['wp-root'] . '/../wp-config.php')) && file_exists($options['wp-root'] . '/wp-includes')) {

//

// We are in a WordPress root.

//

define("WPS_LOCATION", "root");

}

elseif(file_exists($options['wp-root'] . '/themes') && file_exists($options['wp-root'] . '/plugins')){

//

// We are in a wp-content

//

// We need to find a WP core to use.

//

// Remember where we are

define("WPS_LOCATION", "wp-content");

$skeleton_whippet_wpconfig = <<<EOT

<?php

/**

* This file is used by Whippet when you run this wp-content folder without

* putting it into a WordPress installation. You can put anything here that

* you would normally put into wp-config.php.

*

* At a minimum, this file must contain working database details for the sites

* that you're trying to run. There's no need to add the rest of the default

* values, but you can if you like, or if you need to change them.

*

* Note: WP_DEBUG has no effect when running sites using Whippet.

*/

/** The name of the database for WordPress */

define('DB_NAME', 'wordpress');

/** MySQL database username */

define('DB_USER', 'root');

/** MySQL database password */

define('DB_PASSWORD', '');

/** MySQL hostname */

define('DB_HOST', 'localhost');

EOT;

// Make sure there's a config we can use

if(!file_exists($options['wp-root'] . "/whippet-wp-config.php")) {

echo

Colours::fg('red') . "Error: " . Colours::fg('white') .

"Couldn't find a configuration file at " . $options['wp-root'] . "/whippet-wp-config.php\n" .

"Whippet needs this file in order to know where your database is. You can specify anything\n" .

"there that you would normally put in wp-config.php. At a minimum, it must contain your\n" .

"database configuration. Once it's created, you might want to add it to your source\n" .

"control software's ignores file. Would you like to create this file now?\n"

;

$fp = fopen("php://stdin", 'r');

do {

echo "\nCreate and edit file? [Y/n] ";

$choice = trim(fgets($fp));

} while(array_search($choice, array('Y', 'y', 'N', 'n', '')) === false);

fclose($fp);

if(strtolower($choice) != 'n') {

file_put_contents("{$options['wp-root']}/whippet-wp-config.php", $skeleton_whippet_wpconfig);

if(getenv("VISUAL")) {

system("\$VISUAL {$options['wp-root']}/whippet-wp-config.php > `tty`");

}

else if(getenv("EDITOR")) {

system("\$EDITOR {$options['wp-root']}/whippet-wp-config.php > `tty`");

}

else {

echo

"Created settings file at {$options['wp-root']}/whippet-wp-config.php, but could\n" .

"not load your editor because neither \$VISUAL nor \$EDITOR are set. Please add\n" .

"your database configuration to this file and restart Whippet\n";

exit(1);

}

}

else {

exit(1);

}

}

}

else {

// We could be *anywhere*

die_with_error(

"You did not specify a path to a WordPress installation or wp-content directory",

"You must specify a path to a working WordPress installation, or to a wp-content directory:\n" .

" whippet /path/to/a/wordpress"

);

}

// Check that the wordpress directory exists

if(!is_dir($options['wp-root'])) {

die_with_error("Unable to find your WordPress or wp-content directory: {$options['wp-root']}");

}

// If location is root, check that the wordpress directory contains a wordpress installation

if(WPS_LOCATION == 'root' && !file_exists($options['wp-root'] . '/wp-config.php') && !file_exists($options['wp-root'] . '/../wp-config.php')) {

die_with_error(

"Unable to find wp-config.php in your wordpress directory ({$options['wp-root']}) or its parent.",

"Is there a wordpress installation in your current directory? If not, specify the path with --wp-root"

);

}

// If location is wp-content, check that we have some core files, and download them if we don't

if(WPS_LOCATION == 'wp-content' && !file_exists("{$options['wordpresses']}/{$options['wp-version']}")) {

echo

Colours::fg('red') . "Error: " . Colours::fg('white') .

"Unable to find the specified WordPress core in your wordpresses directory ({$options['wordpresses']})\n",

"To run a site from its wp-content folder without it being in a WordPress installation, you need to set up your\n" .

"core WordPress files in the directory above. Whippet can set this up for you automatically.\n\n";

$fp = fopen("php://stdin", 'r');

do {

if($options['wp-version'] == 'latest') {

echo "Attempt to download the latest version of WordPress now? [Y/n] ";

}

else {

echo "Attempt to download WordPress version {$options['wp-version']} now? [Y/n] ";

}

$choice = trim(fgets($fp));

} while(array_search($choice, array('Y', 'y', 'N', 'n', '')) === false);

fclose($fp);

if(strtolower($choice) != 'n') {

$tempname = tempnam(sys_get_temp_dir() , ".whippet-") . "-download-wordpress-{$options['wp-version']}";

if($options['wp-version'] == 'latest') {

passthru("wget -O '{$tempname}' http://wordpress.org/latest.tar.gz");

}

else {

passthru("wget -O '{$tempname}' http://wordpress.org/wordpress-{$options['wp-version']}.tar.gz");

}

passthru("mkdir -p " . $options['wordpresses']);

// Check that the wordpresses directory exists

if(!is_dir($options['wordpresses'])) {

die_with_error("Unable to find or create your wordpresses directory: {$options['wordpresses']}");

}

passthru("tar -xvf '{$tempname}' -C " . $options['wordpresses']);

passthru("rm '{$tempname}'");

passthru("mv '{$options['wordpresses']}/wordpress' '{$options['wordpresses']}/{$options['wp-version']}'");

passthru("rm -rf '/{$options['wordpresses']}/{$options['wp-version']}/wp-content'");

if(!file_exists("{$options['wordpresses']}/{$options['wp-version']}")) {

die_with_error(

"Tried to download WordPress, but something went wrong.",

"Please download the version of WordPress you'd like to use, and extract it to {$options['wordpresses']}/<version>");

}

}

else {

exit(1);

}

}

//

// Trap Ctrl-C so that we can say things before we quit

//

declare(ticks = 1);

pcntl_signal(SIGTERM, "signal_handler");

pcntl_signal(SIGINT, "signal_handler");

function signal_handler($signal) {

}

//

// Inject our code into WordPress

//

$dir = dirname(__FILE__);

if(WPS_LOCATION == 'wp-content') {

// Move wp-root to the actual wordpress root

$options['wp-content'] = $options['wp-root'];

$options['wp-root'] = "{$options['wordpresses']}/{$options['wp-version']}";

}

else {

$options['wp-content'] = $options['wp-root'] . '/wp-content';

}

$inject = <<<EOT

////Whippet START

define('WP_CONTENT_DIR', \$whippet->options['wp-content']);

if(!defined('WP_SITEURL')) {

define('WP_SITEURL', "{\$whippet->options['siteurl']}");

}

if(!defined("WP_HOME")) {

define('WP_HOME', WP_SITEURL);

}

define('WP_ALLOW_MULTISITE', true);

if (\$whippet->options['multisite']) {

define('MULTISITE', true);

define('SUBDOMAIN_INSTALL', false);

\$base = '/';

define('DOMAIN_CURRENT_SITE', \$whippet->options['i']);

define('PATH_CURRENT_SITE', '/');

define('SITE_ID_CURRENT_SITE', 1);

define('BLOG_ID_CURRENT_SITE', 1);

}

// Set some useful constants

define("WP_MAX_MEMORY_LIMIT", "512M");

define("WP_MEMORY_LIMIT", "512M");

require_once(ABSPATH . 'wp-settings.php');

require_once('{$dir}/lib/load_whippet.php');

////Whippet END

EOT;

// Get the config

if(WPS_LOCATION == 'root') {

if(file_exists($options['wp-root'] . "/wp-config.php")) {

$options['wp-config'] = $options['wp-root'] . "/wp-config.php";

}

else if(file_exists($options['wp-root'] . "/../wp-config.php")) {

$options['wp-config'] = $options['wp-root'] . "/../wp-config.php";

}

else {

die_with_error(

"Unable to find wp-config.php at {$options['wp-root']} or " . dirname($options['wp-root']),

"This shouldn't happen. Please report this bug!"

);

}

$wp_config = file_get_contents($options['wp-config']);

// Modify it

$new_wp_config = preg_replace('/^.*wp-settings\.php.*$/m', $inject, $wp_config);

// Save it

file_put_contents($options['wp-config'], $new_wp_config);

// Save the original one so we can restore it later

file_put_contents(dirname($options['wp-config']). "/wp-config-original.whippet.bak", $wp_config);

}

else if(WPS_LOCATION == 'wp-content') {

$new_wp_config = <<<EOF

<?php

require_once("{$options['wp-content']}/whippet-wp-config.php");

if (!defined('DB_CHARSET')) define('DB_CHARSET', 'utf8');

if (!defined('DB_COLLATE')) define('DB_COLLATE', '');

if (!defined('AUTH_KEY')) define('AUTH_KEY', 'put your unique phrase here');

if (!defined('SECURE_AUTH_KEY')) define('SECURE_AUTH_KEY', 'put your unique phrase here');

if (!defined('LOGGED_IN_KEY')) define('LOGGED_IN_KEY', 'put your unique phrase here');

if (!defined('NONCE_KEY')) define('NONCE_KEY', 'put your unique phrase here');

if (!defined('AUTH_SALT')) define('AUTH_SALT', 'put your unique phrase here');

if (!defined('SECURE_AUTH_SALT')) define('SECURE_AUTH_SALT', 'put your unique phrase here');

if (!defined('LOGGED_IN_SALT')) define('LOGGED_IN_SALT', 'put your unique phrase here');

if (!defined('NONCE_SALT')) define('NONCE_SALT', 'put your unique phrase here');

if (!isset(\$table_prefix)) \$table_prefix = 'wp_';

if (!defined('WPLANG')) define('WPLANG', '');

if (!defined('ABSPATH')) define('ABSPATH', dirname(__FILE__) . '/');

$inject

EOF;

file_put_contents("{$options['wp-root']}/wp-config.php", $new_wp_config);

}

//

// Mush up the arguments and start the server

//

$valid_arguments = serialize($options);

echo Colours::bg("black") . Colours::fg('blue');

echo "Whippet version " . WPS_VERSION . " started at " . date('H:i:s \o\n d-m-Y') . "\n";

echo Colours::fg('red');

echo "\nNote: Whippet is Alpha software. We're sure it still has problems that need to be\n";

echo "fixed, and we know the install process is a bit labourious. Please do let us know\n";

echo "how you get on, or open an issue on GitHub if you have problems. Thanks!\n\n";

echo Colours::fg('white');

echo "Written and maintained by dxw. Visit http://whippet.labs.dxw.com for more information.\n";

if(WPS_LOCATION == 'root') {

echo "Found a WordPress installation at {$options['wp-root']}\n";

}

else {

echo "Found a WordPress content directory at {$options['wp-content']}\n";

echo "Using a WordPress core at: {$options['wp-root']}\n";

}

echo "Listening on {$options['i']}:{$options['p']}\n";

echo "Press Ctrl-C to quit.\n";

//

// PHP -S outputs boilerplate crap that we don't want to see.

// Start it with popen so that we can read its stdout and decide what to do

//

// The file gets deleted when the user quits.

//

$handle = popen("echo '{$valid_arguments}' | " . PHP_BINARY . " -S {$options['i']}:{$options['p']} " . dirname(__FILE__) . "/lib/router.php 2>&1", 'r');

while(!feof($handle)) {

$line = fgets($handle);

//

// Output filters

// Run any filters that should be run on the output, and decide if we want to display it.

//

// Deal with PHP errors that the error handler can't manage

if(preg_match('/(\[.+\]) (PHP .+): (.+) in (.+) on line (\d+)$/', $line, $matches)) {

$number = $matches[2];

switch($matches[2]) {

case "PHP Parse error": $number = E_PARSE;

case "PHP Fatal error": $number = E_ERROR;

}

Whippet::emit_php_error($number, $matches[3], $matches[4], $matches[5], $options);

continue;

}

// Other stuff that comes out of PHP -S (only seen invalid request warnings so far)

if(preg_match('/\[\w\w\w \w\w\w [\d\s:]+\] (.+)$/', $line, $matches)) {

Whippet::message(Colours::fg('blue') . "Server: " . Colours::fg('white') . $matches[1]);

continue;

}

echo $line;

}

// We'll never get here.

echo "Kosinski: The truth is, Captain, I made a mistake - a wonderful, incredible mistake...\n";