| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* The class handles the url replacements. |
| 5 |
* |
| 6 |
* @package \Optml\Inc |
| 7 |
* @author Optimole <friends@optimole.com> |
| 8 |
*/ |
| 9 |
final class Optml_Url_Replacer extends Optml_App_Replacer { |
| 10 |
|
| 11 |
use Optml_Validator; |
| 12 |
use Optml_Normalizer; |
| 13 |
|
| 14 |
/** |
| 15 |
* Cached object instance. |
| 16 |
* |
| 17 |
* @var Optml_Url_Replacer |
| 18 |
*/ |
| 19 |
protected static $instance = null; |
| 20 |
|
| 21 |
/** |
| 22 |
* Class instance method. |
| 23 |
* |
| 24 |
* @codeCoverageIgnore |
| 25 |
* @static |
| 26 |
* @return Optml_Url_Replacer |
| 27 |
* @since 1.0.0 |
| 28 |
* @access public |
| 29 |
*/ |
| 30 |
public static function instance() { |
| 31 |
if ( null === self::$instance ) { |
| 32 |
self::$instance = new self(); |
| 33 |
add_action( 'optml_replacer_setup', [ self::$instance, 'init' ] ); |
| 34 |
} |
| 35 |
|
| 36 |
return self::$instance; |
| 37 |
} |
| 38 |
|
| 39 |
/** |
| 40 |
* A filter which turns a local url into an optimized CDN image url or an array of image urls. |
| 41 |
* |
| 42 |
* @param string $url The url which should be replaced. |
| 43 |
* |
| 44 |
* @return string Replaced url. |
| 45 |
*/ |
| 46 |
public function replace_option_url( $url ) { |
| 47 |
if ( empty( $url ) ) { |
| 48 |
return $url; |
| 49 |
} |
| 50 |
// $url might be an array or an json encoded array with urls. |
| 51 |
if ( is_array( $url ) || filter_var( $url, FILTER_VALIDATE_URL ) === false ) { |
| 52 |
$array = $url; |
| 53 |
$encoded = false; |
| 54 |
|
| 55 |
// it might a json encoded array |
| 56 |
if ( is_string( $url ) ) { |
| 57 |
$array = json_decode( $url, true ); |
| 58 |
$encoded = true; |
| 59 |
} |
| 60 |
|
| 61 |
// in case there is an array, apply it recursively. |
| 62 |
if ( is_array( $array ) ) { |
| 63 |
foreach ( $array as $index => $value ) { |
| 64 |
$array[ $index ] = $this->replace_option_url( $value ); |
| 65 |
} |
| 66 |
|
| 67 |
if ( $encoded ) { |
| 68 |
return json_encode( $array ); |
| 69 |
} |
| 70 |
|
| 71 |
return $array; |
| 72 |
} |
| 73 |
|
| 74 |
if ( filter_var( $url, FILTER_VALIDATE_URL ) === false ) { |
| 75 |
return $url; |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
return apply_filters( 'optml_content_url', $url ); |
| 80 |
} |
| 81 |
|
| 82 |
/** |
| 83 |
* The initialize method. |
| 84 |
*/ |
| 85 |
public function init() { |
| 86 |
|
| 87 |
add_filter( 'optml_replace_image', [ $this, 'build_url' ], 10, 2 ); |
| 88 |
parent::init(); |
| 89 |
|
| 90 |
Optml_Quality::$default_quality = $this->to_accepted_quality( $this->settings->get_quality() ); |
| 91 |
Optml_Image::$watermark = new Optml_Watermark( $this->settings->get_site_settings()['watermark'] ); |
| 92 |
Optml_Resize::$default_enlarge = apply_filters( 'optml_always_enlarge', false ); |
| 93 |
add_filter( 'optml_content_url', [ $this, 'build_url' ], 1, 2 ); |
| 94 |
|
| 95 |
} |
| 96 |
|
| 97 |
/** |
| 98 |
* Returns a signed image url authorized to be used in our CDN. |
| 99 |
* |
| 100 |
* @param string $url The url which should be signed. |
| 101 |
* @param array $args Dimension params; Supports `width` and `height`. |
| 102 |
* |
| 103 |
* @return string |
| 104 |
*/ |
| 105 |
public function build_url( |
| 106 |
$url, $args = [ |
| 107 |
'width' => 'auto', |
| 108 |
'height' => 'auto', |
| 109 |
] |
| 110 |
) { |
| 111 |
if ( apply_filters( 'optml_dont_replace_url', false, $url ) ) { |
| 112 |
return $url; |
| 113 |
} |
| 114 |
|
| 115 |
$original_url = $url; |
| 116 |
|
| 117 |
$is_slashed = strpos( $url, '\/' ) !== false; |
| 118 |
|
| 119 |
// We do a little hack here, for json unicode chars we first replace them with html special chars, |
| 120 |
// we then strip slashes to normalize the URL and last we convert html special chars back to get a clean URL |
| 121 |
$url = $is_slashed ? html_entity_decode( stripslashes( preg_replace( '/\\\u([\da-fA-F]{4})/', '&#x\1;', $url ) ) ) : ( $url ); |
| 122 |
if ( strpos( $url, Optml_Config::$service_url ) !== false ) { |
| 123 |
return $original_url; |
| 124 |
} |
| 125 |
|
| 126 |
if ( ! $this->can_replace_url( $url ) ) { |
| 127 |
return $original_url; |
| 128 |
} |
| 129 |
|
| 130 |
// Remove any query strings that might affect conversion. |
| 131 |
$url = strtok( $url, '?' ); |
| 132 |
$ext = $this->is_valid_mimetype_from_url( $url, self::$filters[ Optml_Settings::FILTER_TYPE_OPTIMIZE ][ Optml_Settings::FILTER_EXT ] ); |
| 133 |
if ( false === $ext ) { |
| 134 |
return $original_url; |
| 135 |
} |
| 136 |
|
| 137 |
if ( isset( $args['quality'] ) && ! empty( $args['quality'] ) ) { |
| 138 |
$args['quality'] = $this->to_accepted_quality( $args['quality'] ); |
| 139 |
} |
| 140 |
|
| 141 |
if ( isset( $args['minify'] ) && ! empty( $args['minify'] ) ) { |
| 142 |
$args['minify'] = $this->to_accepted_minify( $args['minify'] ); |
| 143 |
} |
| 144 |
|
| 145 |
// this will authorize the image |
| 146 |
if ( ! empty( $this->site_mappings ) ) { |
| 147 |
$url = str_replace( array_keys( $this->site_mappings ), array_values( $this->site_mappings ), $url ); |
| 148 |
} |
| 149 |
if ( substr( $url, 0, 2 ) === '//' ) { |
| 150 |
$url = sprintf( '%s:%s', is_ssl() ? 'https' : 'http', $url ); |
| 151 |
} |
| 152 |
if ( isset( Optml_Config::$image_extensions[ strtolower( $ext ) ] ) ) { |
| 153 |
$new_url = $this->normalize_image( $url, $original_url, $args ); |
| 154 |
} else { |
| 155 |
$new_url = ( new Optml_Asset( $url, $args, $this->active_cache_buster, $this->is_css_minify_on, $this->is_js_minify_on ) )->get_url(); |
| 156 |
} |
| 157 |
return $is_slashed ? addcslashes( $new_url, '/' ) : $new_url; |
| 158 |
} |
| 159 |
|
| 160 |
/** |
| 161 |
* Apply extra normalization to image. |
| 162 |
* |
| 163 |
* @param string $url Image url. |
| 164 |
* @param string $original_url Original image url. |
| 165 |
* @param array $args Args. |
| 166 |
* |
| 167 |
* @return string |
| 168 |
*/ |
| 169 |
private function normalize_image( $url, $original_url, $args ) { |
| 170 |
|
| 171 |
$new_url = $this->strip_image_size_from_url( $url ); |
| 172 |
|
| 173 |
if ( $new_url !== $url ) { |
| 174 |
if ( ! isset( $args['quality'] ) || $args['quality'] !== 'eco' ) { |
| 175 |
list( $args['width'], $args['height'], $crop ) = $this->parse_dimensions_from_filename( $url ); |
| 176 |
if ( ! $crop ) { |
| 177 |
$sizes2crop = self::size_to_crop(); |
| 178 |
$crop = isset( $sizes2crop[ $args['width'] . $args['height'] ] ) ? $sizes2crop[ $args['width'] . $args['height'] ] : false; |
| 179 |
} |
| 180 |
if ( $crop ) { |
| 181 |
$args['resize'] = $this->to_optml_crop( $crop ); |
| 182 |
} |
| 183 |
} |
| 184 |
$url = $new_url; |
| 185 |
} |
| 186 |
$args['width'] = (int) $args['width']; |
| 187 |
$args['height'] = (int) $args['height']; |
| 188 |
if ( $args['width'] > 0 && $args['height'] > 0 ) { |
| 189 |
list( $args['width'], $args['height'] ) = wp_constrain_dimensions( $args['width'], $args['height'], $this->max_width, $this->max_height ); |
| 190 |
} elseif ( $args['width'] > 0 ) { |
| 191 |
$args['width'] = $args['width'] > $this->max_width ? $this->max_width : $args['width']; |
| 192 |
} elseif ( $args['height'] > 0 ) { |
| 193 |
$args['height'] = $args['height'] > $this->max_height ? $this->max_height : $args['height']; |
| 194 |
} |
| 195 |
if ( isset( $args['resize'], $args['resize']['gravity'] ) && $this->settings->is_smart_cropping() ) { |
| 196 |
$args['resize']['gravity'] = Optml_Resize::GRAVITY_SMART; |
| 197 |
} |
| 198 |
$args = apply_filters( 'optml_image_args', $args, $original_url ); |
| 199 |
|
| 200 |
$arguments = [ |
| 201 |
'apply_watermark' => apply_filters( 'optml_apply_watermark_for', true, $url ), |
| 202 |
]; |
| 203 |
|
| 204 |
if ( isset( $args['format'] ) && ! empty( $args['format'] ) ) { |
| 205 |
$arguments['format'] = $args['format']; |
| 206 |
} |
| 207 |
|
| 208 |
return ( new Optml_Image( $url, $args, $this->active_cache_buster ) )->get_url( $arguments ); |
| 209 |
|
| 210 |
} |
| 211 |
|
| 212 |
/** |
| 213 |
* Throw error on object clone |
| 214 |
* |
| 215 |
* The whole idea of the singleton design pattern is that there is a single |
| 216 |
* object therefore, we don't want the object to be cloned. |
| 217 |
* |
| 218 |
* @codeCoverageIgnore |
| 219 |
* @access public |
| 220 |
* @return void |
| 221 |
* @since 1.0.0 |
| 222 |
*/ |
| 223 |
public function __clone() { |
| 224 |
// Cloning instances of the class is forbidden. |
| 225 |
_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' ); |
| 226 |
} |
| 227 |
|
| 228 |
/** |
| 229 |
* Disable unserializing of the class |
| 230 |
* |
| 231 |
* @codeCoverageIgnore |
| 232 |
* @access public |
| 233 |
* @return void |
| 234 |
* @since 1.0.0 |
| 235 |
*/ |
| 236 |
public function __wakeup() { |
| 237 |
// Unserializing instances of the class is forbidden. |
| 238 |
_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' ); |
| 239 |
} |
| 240 |
} |
| 241 |
|
