| 1 |
<?php |
| 2 |
|
| 3 |
namespace Boxzilla; |
| 4 |
|
| 5 |
class BoxLoader { |
| 6 |
|
| 7 |
/** |
| 8 |
* @var Plugin |
| 9 |
*/ |
| 10 |
private $plugin; |
| 11 |
|
| 12 |
/** |
| 13 |
* @var array |
| 14 |
*/ |
| 15 |
private $box_ids_to_load = array(); |
| 16 |
|
| 17 |
/** |
| 18 |
* @var array |
| 19 |
*/ |
| 20 |
protected $options; |
| 21 |
|
| 22 |
/** |
| 23 |
* Constructor |
| 24 |
* |
| 25 |
* @param Plugin $plugin |
| 26 |
* @param array $options |
| 27 |
*/ |
| 28 |
public function __construct( Plugin $plugin, array $options ) { |
| 29 |
$this->plugin = $plugin; |
| 30 |
$this->options = $options; |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* Initializes the plugin, runs on `wp` hook. |
| 35 |
*/ |
| 36 |
public function init() { |
| 37 |
|
| 38 |
$this->box_ids_to_load = $this->filter_boxes(); |
| 39 |
|
| 40 |
// Only add other hooks if necessary |
| 41 |
if( count( $this->box_ids_to_load ) > 0 ) { |
| 42 |
add_action( 'wp_footer', array( $this, 'print_boxes_content' ), 1 ); |
| 43 |
add_action( 'wp_enqueue_scripts', array( $this, 'load_assets' ), 90 ); |
| 44 |
} |
| 45 |
} |
| 46 |
|
| 47 |
/** |
| 48 |
* Get global rules for all boxes |
| 49 |
* |
| 50 |
* @return array |
| 51 |
*/ |
| 52 |
protected function get_filter_rules() { |
| 53 |
$rules = get_option( 'boxzilla_rules', array() ); |
| 54 |
|
| 55 |
if( ! is_array( $rules ) ) { |
| 56 |
return array(); |
| 57 |
} |
| 58 |
|
| 59 |
return $rules; |
| 60 |
} |
| 61 |
|
| 62 |
|
| 63 |
/** |
| 64 |
* Match a string against an array of patterns, glob-style. |
| 65 |
* |
| 66 |
* @param string $string |
| 67 |
* @param array $patterns |
| 68 |
* |
| 69 |
* @return boolean |
| 70 |
*/ |
| 71 |
protected function match_patterns( $string, $patterns, $contains = false ) { |
| 72 |
$string = strtolower( $string ); |
| 73 |
|
| 74 |
foreach( $patterns as $pattern ) { |
| 75 |
$pattern = rtrim( $pattern, '/' ); |
| 76 |
$pattern = strtolower( $pattern ); |
| 77 |
|
| 78 |
// contains means we should do a simple occurrence check |
| 79 |
// does not support wildcards |
| 80 |
if( $contains ) { |
| 81 |
return strpos( $string, $pattern ) !== false; |
| 82 |
} |
| 83 |
|
| 84 |
if( function_exists( 'fnmatch' ) ) { |
| 85 |
$match = fnmatch( $pattern, $string ); |
| 86 |
} else { |
| 87 |
$match = ( $pattern === $string ); |
| 88 |
} |
| 89 |
|
| 90 |
if( $match ) { |
| 91 |
return true; |
| 92 |
} |
| 93 |
} |
| 94 |
|
| 95 |
return false; |
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* @return string |
| 100 |
*/ |
| 101 |
protected function get_request_url() { |
| 102 |
// strip trailing slashes |
| 103 |
$request_uri = rtrim( $_SERVER['REQUEST_URI'], '/' ); |
| 104 |
return $request_uri; |
| 105 |
} |
| 106 |
|
| 107 |
/** |
| 108 |
* Check if this rule passes (conditional matches expected value) |
| 109 |
* |
| 110 |
* @param string $condition |
| 111 |
* @param string $value |
| 112 |
* @param boolean $qualifier |
| 113 |
* |
| 114 |
* @return bool |
| 115 |
*/ |
| 116 |
protected function match_rule( $condition, $value, $qualifier = true ) { |
| 117 |
|
| 118 |
$matched = false; |
| 119 |
|
| 120 |
// cast value to array & trim whitespace or excess comma's |
| 121 |
$value = array_map( 'trim', explode( ',', rtrim( trim( $value ), ',' ) ) ); |
| 122 |
|
| 123 |
switch ( $condition ) { |
| 124 |
case 'everywhere'; |
| 125 |
$matched = true; |
| 126 |
break; |
| 127 |
|
| 128 |
case 'is_url': |
| 129 |
$url = $this->get_request_url(); |
| 130 |
$matched = $this->match_patterns( $url, $value, $qualifier === 'contains' || $qualifier === 'not_contains' ); |
| 131 |
break; |
| 132 |
|
| 133 |
case 'is_referer': |
| 134 |
if( ! empty( $_SERVER['HTTP_REFERER'] ) ) { |
| 135 |
$referer = $_SERVER['HTTP_REFERER']; |
| 136 |
$matched = $this->match_patterns( $referer, $value, $qualifier === 'contains' || $qualifier === 'not_contains' ); |
| 137 |
} |
| 138 |
break; |
| 139 |
|
| 140 |
case 'is_post_type': |
| 141 |
$post_type = (string) get_post_type(); |
| 142 |
$matched = in_array( $post_type, (array) $value ); |
| 143 |
break; |
| 144 |
|
| 145 |
case 'is_single': |
| 146 |
case 'is_post': |
| 147 |
// convert to empty string if array with just empty string in it |
| 148 |
$value = ( $value === array( '' ) ) ? '' : $value; |
| 149 |
$matched = is_single( $value ); |
| 150 |
break; |
| 151 |
|
| 152 |
case 'is_post_in_category': |
| 153 |
$matched = is_singular( 'post' ) && has_category( $value ); |
| 154 |
break; |
| 155 |
|
| 156 |
|
| 157 |
case 'is_page': |
| 158 |
$matched = is_page( $value ); |
| 159 |
break; |
| 160 |
|
| 161 |
case 'is_post_with_tag': |
| 162 |
$matched = is_singular( 'post' ) && has_tag( $value ); |
| 163 |
break; |
| 164 |
|
| 165 |
case 'is_user_logged_in': |
| 166 |
$matched = is_user_logged_in(); |
| 167 |
break; |
| 168 |
} |
| 169 |
|
| 170 |
/** |
| 171 |
* Filters whether a given box rule matches the condition and expected value. |
| 172 |
* |
| 173 |
* The dynamic portion of the hook, `$condition`, refers to the condition being matched. |
| 174 |
* |
| 175 |
* @param boolean $matched |
| 176 |
* @param array $value |
| 177 |
*/ |
| 178 |
$matched = apply_filters( 'boxzilla_box_rule_matches_' . $condition, $matched, $value ); |
| 179 |
|
| 180 |
// if qualifier is set to false, we need to reverse this value here. |
| 181 |
if( ! $qualifier || $qualifier === 'not_contains' ) { |
| 182 |
$matched = ! $matched; |
| 183 |
} |
| 184 |
|
| 185 |
return $matched; |
| 186 |
} |
| 187 |
|
| 188 |
/** |
| 189 |
* Checks which boxes should be loaded for this request. |
| 190 |
* |
| 191 |
* @return array |
| 192 |
*/ |
| 193 |
private function filter_boxes() { |
| 194 |
|
| 195 |
$box_ids_to_load = array(); |
| 196 |
$rules = $this->get_filter_rules(); |
| 197 |
|
| 198 |
foreach( $rules as $box_id => $box_rules ) { |
| 199 |
|
| 200 |
$matched = false; |
| 201 |
$comparision = isset( $box_rules['comparision'] ) ? $box_rules['comparision'] : 'any'; |
| 202 |
|
| 203 |
// loop through all rules for all boxes |
| 204 |
foreach ( $box_rules as $rule ) { |
| 205 |
|
| 206 |
// skip faulty values (and comparision rule) |
| 207 |
if( empty( $rule['condition'] ) ) { |
| 208 |
continue; |
| 209 |
} |
| 210 |
|
| 211 |
$qualifier = isset( $rule['qualifier'] ) ? $rule['qualifier'] : true; |
| 212 |
$matched = $this->match_rule( $rule['condition'], $rule['value'], $qualifier ); |
| 213 |
|
| 214 |
// break out of loop if we've already matched |
| 215 |
if( $comparision === 'any' && $matched ) { |
| 216 |
break; |
| 217 |
} |
| 218 |
|
| 219 |
// no need to continue if this rule didn't match |
| 220 |
if( $comparision === 'all' && ! $matched ) { |
| 221 |
break; |
| 222 |
} |
| 223 |
} |
| 224 |
|
| 225 |
// value of $matched at this point determines whether box should be loaded |
| 226 |
$load_box = $matched; |
| 227 |
|
| 228 |
/** |
| 229 |
* Filters whether a box should be loaded into the page HTML. |
| 230 |
* |
| 231 |
* The dynamic portion of the hook, `$box_id`, refers to the ID of the box. Return true if you want to output the box. |
| 232 |
* |
| 233 |
* @param boolean $load_box |
| 234 |
*/ |
| 235 |
$load_box = apply_filters( 'boxzilla_load_box_' . $box_id, $load_box ); |
| 236 |
|
| 237 |
/** |
| 238 |
* Filters whether a box should be loaded into the page HTML. |
| 239 |
* |
| 240 |
* @param boolean $load_box |
| 241 |
* @param int $box_id |
| 242 |
*/ |
| 243 |
$load_box = apply_filters( 'boxzilla_load_box', $load_box, $box_id ); |
| 244 |
|
| 245 |
// if matched, box should be loaded on this page |
| 246 |
if ( $load_box ) { |
| 247 |
$box_ids_to_load[] = $box_id; |
| 248 |
} |
| 249 |
|
| 250 |
} |
| 251 |
|
| 252 |
return $box_ids_to_load; |
| 253 |
} |
| 254 |
|
| 255 |
/** |
| 256 |
* Load plugin styles |
| 257 |
*/ |
| 258 |
public function load_assets() { |
| 259 |
$pre_suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; |
| 260 |
wp_enqueue_script('boxzilla', $this->plugin->url('/assets/js/script' . $pre_suffix . '.js' ), array(), $this->plugin->version(), true ); |
| 261 |
|
| 262 |
// create boxzilla_Global_Options object |
| 263 |
$plugin_options = $this->options; |
| 264 |
$boxes = $this->get_matched_boxes(); |
| 265 |
|
| 266 |
$data = array( |
| 267 |
'testMode' => (bool) $plugin_options['test_mode'], |
| 268 |
'boxes' => (array) array_map( function(Box $box) { return $box->get_client_options(); }, $boxes ), |
| 269 |
); |
| 270 |
|
| 271 |
wp_localize_script( 'boxzilla', 'boxzilla_options', $data ); |
| 272 |
|
| 273 |
do_action( 'boxzilla_load_assets', $this ); |
| 274 |
} |
| 275 |
|
| 276 |
public function print_boxes_content() { |
| 277 |
$boxes = $this->get_matched_boxes(); |
| 278 |
if( empty( $boxes ) ) { |
| 279 |
return; |
| 280 |
} |
| 281 |
|
| 282 |
echo '<div style="display: none;">'; |
| 283 |
foreach( $boxes as $box ) { |
| 284 |
echo sprintf( '<div id="boxzilla-box-%d-content">', $box->ID ) . $box->get_content() . '</div>'; |
| 285 |
} |
| 286 |
echo '</div>'; |
| 287 |
} |
| 288 |
|
| 289 |
/** |
| 290 |
* Get an array of Box objects. These are the boxes that will be loaded for the current request. |
| 291 |
* |
| 292 |
* @return Box[] |
| 293 |
*/ |
| 294 |
public function get_matched_boxes() { |
| 295 |
static $boxes; |
| 296 |
|
| 297 |
if( is_null( $boxes ) ) { |
| 298 |
|
| 299 |
if( count( $this->box_ids_to_load ) === 0 ) { |
| 300 |
$boxes = array(); |
| 301 |
return $boxes; |
| 302 |
} |
| 303 |
|
| 304 |
// query Box posts |
| 305 |
$posts = get_posts( |
| 306 |
array( |
| 307 |
'post_type' => 'boxzilla-box', |
| 308 |
'post_status' => 'publish', |
| 309 |
'post__in' => $this->box_ids_to_load, |
| 310 |
'numberposts' => -1 |
| 311 |
) |
| 312 |
); |
| 313 |
|
| 314 |
// create `Box` instances out of \WP_Post instances |
| 315 |
$boxes = array(); |
| 316 |
foreach ( $posts as $key => $post ) { |
| 317 |
// skip posts with no content |
| 318 |
$post_content = trim( strip_tags( nl2br( $post->post_content ) ) ); |
| 319 |
if( empty( $post_content ) ) { |
| 320 |
continue; |
| 321 |
} |
| 322 |
|
| 323 |
$boxes[ $key ] = new Box( $post ); |
| 324 |
} |
| 325 |
} |
| 326 |
|
| 327 |
return $boxes; |
| 328 |
} |
| 329 |
|
| 330 |
} |
| 331 |
|
| 332 |
|
| 333 |
|
