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HummingBirdAnimeClient
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Rewrite minifiers into cleaner classes. Resolves #5

This commit is contained in:
Timothy Warren 2016-02-03 14:57:00 -05:00
parent 4533ea0b26
commit 1a21a23e73
3 changed files with 447 additions and 350 deletions
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106
app/config/minify_config.php
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@ -4,56 +4,78 @@
*
* An API client for Hummingbird to manage anime and manga watch lists
*
* @package HummingbirdAnimeClient
* @author Timothy J. Warren
* @package HummingbirdAnimeClient
* @author Timothy J. Warren
* @copyright Copyright (c) 2015 - 2016
* @link https://github.com/timw4mail/HummingBirdAnimeClient
* @license MIT
* @link https://github.com/timw4mail/HummingBirdAnimeClient
* @license MIT
*/
// --------------------------------------------------------------------------
/* $config = */require 'config.php';
// Should we use myth to preprocess?
$use_myth = FALSE;
return [
/*
|--------------------------------------------------------------------------
| CSS Folder
|--------------------------------------------------------------------------
|
| The folder where css files exist, in relation to the document root
|
*/
$css_root = $config['asset_dir'] . '/css/';
/*
|--------------------------------------------------------------------------
| CSS Folder
|--------------------------------------------------------------------------
|
| The folder where css files exist, in relation to the document root
|
*/
'css_root' => $config['asset_dir'] . '/css/',
/*
|--------------------------------------------------------------------------
| Path from
|--------------------------------------------------------------------------
|
| Path fragment to rewrite in css files
|
*/
$path_from = '';
/*
|--------------------------------------------------------------------------
| Path from
|--------------------------------------------------------------------------
|
| Path fragment to rewrite in css files
|
*/
'path_from' => '',
/*
|--------------------------------------------------------------------------
| Path to
|--------------------------------------------------------------------------
|
| The path fragment replacement for the css files
|
*/
$path_to = '';
/*
|--------------------------------------------------------------------------
| Path to
|--------------------------------------------------------------------------
|
| The path fragment replacement for the css files
|
*/
'path_to' => '',
/*
|--------------------------------------------------------------------------
| JS Folder
|--------------------------------------------------------------------------
|
| The folder where javascript files exist, in relation to the document root
|
*/
$js_root = $config['asset_dir'] . '/js/';
/*
|--------------------------------------------------------------------------
| CSS Groups file
|--------------------------------------------------------------------------
|
| The file where the css groups are configured
|
*/
'css_groups_file' => realpath(__DIR__ . '/minify_css_groups.php'),
/*
|--------------------------------------------------------------------------
| JS Folder
|--------------------------------------------------------------------------
|
| The folder where javascript files exist, in relation to the document root
|
*/
'js_root' => $config['asset_dir'] . '/js/',
/*
|--------------------------------------------------------------------------
| JS Groups file
|--------------------------------------------------------------------------
|
| The file where the javascript groups are configured
|
*/
'js_groups_file' => realpath(__DIR__ . '/minify_js_groups.php'),
];
// End of minify_config.php

291
public/css.php
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@ -4,134 +4,181 @@
*
* An API client for Hummingbird to manage anime and manga watch lists
*
* @package HummingbirdAnimeClient
* @author Timothy J. Warren
* @package HummingbirdAnimeClient
* @author Timothy J. Warren
* @copyright Copyright (c) 2015 - 2016
* @link https://github.com/timw4mail/HummingBirdAnimeClient
* @license MIT
* @link https://github.com/timw4mail/HummingBirdAnimeClient
* @license MIT
*/
namespace Aviat\EasyMin;
/**
* Simple CSS Minifier
*/
class CSSMin {
protected $css_root;
protected $path_from;
protected $path_to;
protected $group;
protected $last_modified;
public function __construct(array $config, array $groups)
{
$group = $_GET['g'];
$this->css_root = $config['css_root'];
$this->path_from = $config['path_from'];
$this->path_to = $config['path_to'];
$this->group = $groups[$group];
$this->last_modified = $this->get_last_modified();
$this->send();
}
/**
* Send the CSS
*
* @return void
*/
protected function send()
{
$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
: 0;
// Send 304 when not modified for faster response
if($this->last_modified === $requested_time)
{
header("HTTP/1.1 304 Not Modified");
exit();
}
$css = ( ! array_key_exists('debug', $_GET))
? $this->compress($this->get_css())
: $this->get_css();
$this->output($css);
}
/**
* Function for compressing the CSS as tightly as possible
*
* @param string $buffer
* @return string
*/
public function compress($buffer)
{
//Remove CSS comments
$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
//Remove tabs, spaces, newlines, etc.
$buffer = preg_replace('`\s+`', ' ', $buffer);
$replace = array(
' )' => ')',
') ' => ')',
' }' => '}',
'} ' => '}',
' {' => '{',
'{ ' => '{',
', ' => ',',
': ' => ':',
'; ' => ';',
);
//Eradicate every last space!
$buffer = trim(strtr($buffer, $replace));
$buffer = str_replace('{ ', '{', $buffer);
$buffer = str_replace('} ', '}', $buffer);
return $buffer;
}
/**
* Get the most recent file modification date
*
* @return int
*/
protected function get_last_modified()
{
$modified = array();
// Get all the css files, and concatenate them together
if(isset($this->group))
{
foreach($this->group as $file)
{
$new_file = realpath("{$this->css_root}{$file}");
$modified[] = filemtime($new_file);
}
}
//Add this page for last modified check
$modified[] = filemtime(__FILE__);
//Get the latest modified date
rsort($modified);
$last_modified = $modified[0];
return $last_modified;
}
/**
* Get the css to display
*
* @return string
*/
protected function get_css()
{
$css = '';
if(isset($this->group))
{
foreach($this->group as $file)
{
$new_file = realpath("{$this->css_root}{$file}");
$css .= file_get_contents($new_file);
}
}
// Correct paths that have changed due to concatenation
// based on rules in the config file
$css = str_replace($this->path_from, $this->path_to, $css);
return $css;
}
/**
* Output the CSS
*
* @return void
*/
public function output($css)
{
//This GZIPs the CSS for transmission to the user
//making file size smaller and transfer rate quicker
ob_start("ob_gzhandler");
header("Content-Type: text/css; charset=utf8");
header("Cache-control: public, max-age=691200, must-revalidate");
header("Last-Modified: ".gmdate('D, d M Y H:i:s', $this->last_modified)." GMT");
header("Expires: ".gmdate('D, d M Y H:i:s', (filemtime(basename(__FILE__)) + 691200))." GMT");
echo $css;
ob_end_flush();
}
}
// --------------------------------------------------------------------------
// ! Start Minifying
// --------------------------------------------------------------------------
//Get config files
require('../app/config/minify_config.php');
$config = require('../app/config/minify_config.php');
$groups = require($config['css_groups_file']);
//Include the css groups
$groups = require("../app/config/minify_css_groups.php");
new CSSMin($config, $groups);
//Function for compressing the CSS as tightly as possible
/**
* @param string $buffer
*/
function compress($buffer) {
//Remove CSS comments
$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
//Remove tabs, spaces, newlines, etc.
$buffer = preg_replace('`\s+`', ' ', $buffer);
$replace = array(
' )' => ')',
') ' => ')',
' }' => '}',
'} ' => '}',
' {' => '{',
'{ ' => '{',
', ' => ',',
': ' => ':',
'; ' => ';',
);
//Eradicate every last space!
$buffer = trim(strtr($buffer, $replace));
$buffer = str_replace('{ ', '{', $buffer);
$buffer = str_replace('} ', '}', $buffer);
return $buffer;
}
function get_last_modifed()
{
global $groups, $css_root;
$modified = array();
// Get all the css files, and concatenate them together
if(isset($groups[$_GET['g']]))
{
foreach($groups[$_GET['g']] as $file)
{
$new_file = realpath($css_root.$file);
$modified[] = filemtime($new_file);
}
}
//Add myth css file for last modified check
$modified[] = filemtime(realpath("css/base.myth.css"));
//Add this page for last modified check
$modified[] = filemtime(__FILE__);
//Get the latest modified date
rsort($modified);
$last_modified = $modified[0];
return $last_modified;
}
function get_css()
{
global $groups, $path_from, $path_to, $css_root;
$css = '';
if(isset($groups[$_GET['g']]))
{
foreach($groups[$_GET['g']] as $file)
{
$new_file = realpath($css_root.$file);
$css .= file_get_contents($new_file);
$modified[] = filemtime($new_file);
}
}
// If not in debug mode, minify the css
if( ! isset($_GET['debug']))
{
$css = compress($css);
}
// Correct paths that have changed due to concatenation
// based on rules in the config file
$css = strtr($css, $path_from, $path_to);
return $css;
}
// --------------------------------------------------------------------------
$last_modified = get_last_modifed();
$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
: 0;
// Send 304 when not modified for faster response
if($last_modified === $requested_time)
{
header("HTTP/1.1 304 Not Modified");
exit();
}
//This GZIPs the CSS for transmission to the user
//making file size smaller and transfer rate quicker
ob_start("ob_gzhandler");
header("Content-Type: text/css; charset=utf8");
header("Cache-control: public, max-age=691200, must-revalidate");
header("Last-Modified: ".gmdate('D, d M Y H:i:s', $last_modified)." GMT");
header("Expires: ".gmdate('D, d M Y H:i:s', (filemtime(basename(__FILE__)) + 691200))." GMT");
echo get_css();
ob_end_flush();
//End of css.php

400
public/js.php
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@ -4,226 +4,254 @@
*
* An API client for Hummingbird to manage anime and manga watch lists
*
* @package HummingbirdAnimeClient
* @author Timothy J. Warren
* @package HummingbirdAnimeClient
* @author Timothy J. Warren
* @copyright Copyright (c) 2015 - 2016
* @link https://github.com/timw4mail/HummingBirdAnimeClient
* @license MIT
* @link https://github.com/timw4mail/HummingBirdAnimeClient
* @license MIT
*/
// --------------------------------------------------------------------------
namespace Aviat\EasyMin;
use GuzzleHttp\Client;
use GuzzleHttp\Psr7\Request;
//Get config files
require_once('../app/config/minify_config.php');
//Include the js groups
$groups_file = '../app/config/minify_js_groups.php';
$groups = require_once($groups_file);
// Include guzzle
require_once('../vendor/autoload.php');
//The name of this file
$this_file = __FILE__;
// --------------------------------------------------------------------------
/**
* Get Files
*
* Concatenates the javascript files for the current
* group as a string
* @return string
* Simple Javascript minfier, using google closure compiler
*/
function get_files()
{
global $groups, $js_root;
class JSMin {
$js = '';
protected $js_root;
protected $js_group;
protected $js_groups_file;
protected $cache_file;
foreach($groups[$_GET['g']] as $file)
protected $last_modified;
protected $requested_time;
protected $cache_modified;
public function __construct(array $config, array $groups)
{
$new_file = realpath($js_root.$file);
$js .= file_get_contents($new_file) . "\n\n";
$group = $_GET['g'];
$this->js_root = $config['js_root'];
$this->js_group = $groups[$group];
$this->js_groups_file = $config['js_groups_file'];
$this->cache_file = "{$this->js_root}cache/{$group}";
$this->last_modified = $this->get_last_modified();
$this->requested_time = (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
: time();
$this->cache_modified = (is_file($this->cache_file))
? filemtime($this->cache_file)
: 0;
// Output some JS!
$this->send();
}
return $js;
}
// --------------------------------------------------------------------------
/**
* Google Min
*
* Minifies javascript using google's closure compiler
* @param string $new_file
* @return string
*/
function google_min($new_file)
{
$options = [
'output_info' => 'errors',
'output_format' => 'json',
'compilation_level' => 'SIMPLE_OPTIMIZATIONS',
//'compilation_level' => 'ADVANCED_OPTIMIZATIONS',
'js_code' => $new_file,
'language' => 'ECMASCRIPT6_STRICT',
'language_out' => 'ECMASCRIPT5_STRICT'
];
// First check for errors
$error_client = new Client();
$error_res = $error_client->post('http://closure-compiler.appspot.com/compile', [
'headers' => [
'Accept-Encoding' => 'gzip',
'Content-type' => 'application/x-www-form-urlencoded'
],
'form_params' => $options
]);
$error_json = $error_res->getBody();
$error_obj = json_decode($error_json) ?: (object)[];
// Show error if exists
if ( ! empty($error_obj->errors))
protected function send()
{
$error_json = json_encode($error_obj, JSON_PRETTY_PRINT);
echo "console.error(${error_json});";
die();
// If the browser's cached version is up to date,
// don't resend the file
if($this->last_modified === $this->requested_time)
{
header('HTTP/1.1 304 Not Modified');
exit();
}
//Determine what to do: rebuild cache, send files as is, or send cache.
// If debug is set, just concatenate
if(array_key_exists('debug', $_GET))
{
return $this->output($this->get_files());
}
else if($this->cache_modified < $this->last_modified)
{
$js = $this->minify($this->get_files());
//Make sure cache file gets created/updated
if(file_put_contents($this->cache_file, $js) === FALSE)
{
die('Cache file was not created. Make sure you have the correct folder permissions.');
}
return $this->output($js);
}
// Otherwise, send the cached file
else
{
return $this->output(file_get_contents($cache_file));
}
}
// Now actually retrieve the compiled code
$options['output_info'] = 'compiled_code';
$client = new Client();
$res = $client->post('http://closure-compiler.appspot.com/compile', [
'headers' => [
'Accept-Encoding' => 'gzip',
'Content-type' => 'application/x-www-form-urlencoded'
],
'form_params' => $options
]);
$json = $res->getBody();
$obj = json_decode($json);
return $obj->compiledCode;
}
// --------------------------------------------------------------------------
//Creative rewriting of /g/groupname to ?g=groupname
$pi = $_SERVER['PATH_INFO'];
$pia = explode('/', $pi);
$pia_len = count($pia);
$i = 1;
while($i < $pia_len)
{
$j = $i+1;
$j = (isset($pia[$j])) ? $j : $i;
$_GET[$pia[$i]] = $pia[$j];
$i = $j + 1;
};
// --------------------------------------------------------------------------
$js = '';
$modified = array();
// --------------------------------------------------------------------------
//Aggregate the last modified times of the files
if(isset($groups[$_GET['g']]))
{
if ( ! is_dir($js_root . 'cache'))
/**
* Makes a call to google closure compiler service
*
* @param array $options - Form parameters
* @return object
*/
protected function closure_call(array $options)
{
mkdir($js_root . 'cache');
}
$cache_file = $js_root.'cache/'.$_GET['g'];
$client = new Client();
$response = $client->post('http://closure-compiler.appspot.com/compile', [
'headers' => [
'Accept-Encoding' => 'gzip',
'Content-type' => 'application/x-www-form-urlencoded'
],
'form_params' => $options
]);
foreach($groups[$_GET['g']] as $file)
{
$new_file = realpath($js_root.$file);
$modified[] = filemtime($new_file);
return $response;
}
//Add this page too, as well as the groups file
$modified[] = filemtime($this_file);
$modified[] = filemtime($groups_file);
$cache_modified = 0;
//Add the cache file
if(is_file($cache_file))
/**
* Do a call to the closure compiler to check for compilation errors
*
* @param array $options
* @return void
*/
protected function check_minify_errors($options)
{
$cache_modified = filemtime($cache_file);
$error_res = $this->closure_call($options);
$error_json = $error_res->getBody();
$error_obj = json_decode($error_json) ?: (object)[];
// Show error if exists
if ( ! empty($error_obj->errors))
{
$error_json = json_encode($error_obj, JSON_PRETTY_PRINT);
echo "console.error(${error_json});";
die();
}
}
/**
* Get Files
*
* Concatenates the javascript files for the current
* group as a string
*
* @return string
*/
protected function get_files()
{
$js = '';
foreach($this->js_group as $file)
{
$new_file = realpath("{$this->js_root}{$file}");
$js .= file_get_contents($new_file) . "\n\n";
}
return $js;
}
/**
* Get the most recent modified date
*
* @return int
*/
protected function get_last_modified()
{
$modified = array();
foreach($this->js_group as $file)
{
$new_file = realpath("{$this->js_root}{$file}");
$modified[] = filemtime($new_file);
}
//Add this page too, as well as the groups file
$modified[] = filemtime(__FILE__);
$modified[] = filemtime($this->js_groups_file);
rsort($modified);
$last_modified = $modified[0];
return $last_modified;
}
/**
* Minifies javascript using google's closure compiler
*
* @param string $js
* @return string
*/
public function minify($js)
{
$options = [
'output_info' => 'errors',
'output_format' => 'json',
'compilation_level' => 'SIMPLE_OPTIMIZATIONS',
//'compilation_level' => 'ADVANCED_OPTIMIZATIONS',
'js_code' => $js,
'language' => 'ECMASCRIPT6_STRICT',
'language_out' => 'ECMASCRIPT5_STRICT'
];
// Check for errors
$this->check_minify_errors($options);
// Now actually retrieve the compiled code
$options['output_info'] = 'compiled_code';
$res = $this->closure_call($options);
$json = $res->getBody();
$obj = json_decode($json);
return $obj->compiledCode;
}
/**
* Output the minified javascript
*
* @param int $last_modified
* @param string $js
* @return void
*/
protected function output($js)
{
//This GZIPs the js for transmission to the user
//making file size smaller and transfer rate quicker
ob_start('ob_gzhandler');
// Set important caching headers
header('Content-Type: application/javascript; charset=utf8');
header('Cache-control: public, max-age=691200, must-revalidate');
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $this->last_modified).' GMT');
header('Expires: '.gmdate('D, d M Y H:i:s', (filemtime(__FILE__) + 691200)).' GMT');
echo $js;
ob_end_flush();
}
}
else //Nothing to display? Just exit
{
die('You must specify a group that exists');
}
// --------------------------------------------------------------------------
//Get the latest modified date
rsort($modified);
$last_modified = $modified[0];
$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
: time();
// If the browser's cached version is up to date,
// don't resend the file
if($last_modified === $requested_time)
{
header('HTTP/1.1 304 Not Modified');
exit();
}
// ! Start Minifying
// --------------------------------------------------------------------------
//Determine what to do: rebuild cache, send files as is, or send cache.
// If debug is set, just concatenate
if(array_key_exists('debug', $_GET))
{
$js = get_files();
}
else if($cache_modified < $last_modified)
{
$js = google_min(get_files());
$config = require_once('../app/config/minify_config.php');
$groups = require_once($config['js_groups_file']);
$cache_dir = "{$config['js_root']}cache";
//Make sure cache file gets created/updated
if(file_put_contents($cache_file, $js) === FALSE)
{
die('Cache file was not created. Make sure you have the correct folder permissions.');
}
}
// Otherwise, send the cached file
else
if ( ! is_dir($cache_dir))
{
$js = file_get_contents($cache_file);
mkdir($cache_dir);
}
// --------------------------------------------------------------------------
if ( ! array_key_exists($_GET['g'], $groups))
{
header('Content-Type: application/javascript; charset=utf8');
echo '// You must specify a group that exists';
die();
}
//This GZIPs the js for transmission to the user
//making file size smaller and transfer rate quicker
ob_start('ob_gzhandler');
new JSMin($config, $groups);
// Set important caching headers
header('Content-Type: application/javascript; charset=utf8');
header('Cache-control: public, max-age=691200, must-revalidate');
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $last_modified).' GMT');
header('Expires: '.gmdate('D, d M Y H:i:s', (filemtime($this_file) + 691200)).' GMT');
echo $js;
ob_end_flush();
//end of js.php