class-email-encoder-bundle-ajax.php
8 months ago
class-email-encoder-bundle-helpers.php
8 months ago
class-email-encoder-bundle-settings.php
8 months ago
class-email-encoder-bundle-validate.php
8 months ago
index.php
6 years ago
class-email-encoder-bundle-validate.php
1153 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Legacy\EmailEncoderBundle; |
| 4 | |
| 5 | use DOMDocument; |
| 6 | use OnlineOptimisation\EmailEncoderBundle\Traits\PluginHelper; |
| 7 | |
| 8 | class Email_Encoder_Validate { |
| 9 | |
| 10 | use PluginHelper; |
| 11 | |
| 12 | private string $page_name; |
| 13 | // private string $page_title; |
| 14 | // private string $final_output_buffer_hook; |
| 15 | private string $at_identifier; |
| 16 | |
| 17 | |
| 18 | function __construct() { |
| 19 | $this->page_name = $this->getPageName(); |
| 20 | // $this->page_title = $this->settings()->get_page_title(); |
| 21 | // $this->final_output_buffer_hook = $this->settings()->get_final_output_buffer_hook(); |
| 22 | $this->at_identifier = $this->settings()->get_at_identifier(); |
| 23 | } |
| 24 | |
| 25 | /** |
| 26 | * ###################### |
| 27 | * ### |
| 28 | * #### FILTERS |
| 29 | * ### |
| 30 | * ###################### |
| 31 | */ |
| 32 | |
| 33 | /** |
| 34 | * The main page filter function |
| 35 | * |
| 36 | * @param string $content - the content that needs to be filtered |
| 37 | * @param bool $convertPlainEmails - wether plain emails should be preserved or not |
| 38 | * @return string - The filtered content |
| 39 | */ |
| 40 | public function filter_page( $content, $protect_using ) { |
| 41 | |
| 42 | //Added in 2.0.6 |
| 43 | $content = apply_filters( 'eeb/validate/filter_page_content', $content, $protect_using ); |
| 44 | |
| 45 | $content = $this->filter_soft_dom_attributes( $content, 'char_encode' ); |
| 46 | |
| 47 | $htmlSplit = preg_split( '/(<body(([^>]*)>))/is', $content, -1, PREG_SPLIT_DELIM_CAPTURE ); |
| 48 | |
| 49 | if ( count( $htmlSplit ) < 4 ) { |
| 50 | return $content; |
| 51 | } |
| 52 | |
| 53 | switch( $protect_using ) { |
| 54 | case 'with_javascript': |
| 55 | case 'without_javascript': |
| 56 | case 'char_encode': |
| 57 | $head_encoding_method = 'char_encode'; |
| 58 | break; |
| 59 | default: |
| 60 | $head_encoding_method = 'default'; |
| 61 | break; |
| 62 | } |
| 63 | |
| 64 | //Filter head area |
| 65 | $filtered_head = $this->filter_plain_emails( $htmlSplit[0], null, $head_encoding_method ); |
| 66 | |
| 67 | //Filter body |
| 68 | //Soft attributes always need to be protected using only the char encode method since otherwise the logic breaks |
| 69 | $filtered_body = $this->filter_soft_attributes( $htmlSplit[4], 'char_encode' ); |
| 70 | $filtered_body = $this->filter_content( $filtered_body, $protect_using ); |
| 71 | |
| 72 | $filtered_content = $filtered_head . $htmlSplit[1] . $filtered_body; |
| 73 | |
| 74 | //Revalidate filtered emails that should not bbe encoded |
| 75 | $filtered_content = $this->temp_encode_at_symbol( $filtered_content, true ); |
| 76 | |
| 77 | return $filtered_content; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Filter content |
| 82 | * |
| 83 | * @param string $content |
| 84 | * @param integer $protect_using |
| 85 | * @return string |
| 86 | */ |
| 87 | public function filter_content( $content, $protect_using ) { |
| 88 | $filtered = $content; |
| 89 | $self = $this; |
| 90 | $encode_mailtos = (bool) $this->getSetting( 'encode_mailtos', true, 'filter_body' ); |
| 91 | $convert_plain_to_image = (bool) $this->getSetting( 'convert_plain_to_image', true, 'filter_body' ); |
| 92 | |
| 93 | //Added in 2.0.6 |
| 94 | $filtered = apply_filters( 'eeb/validate/filter_content_content', $filtered, $protect_using ); |
| 95 | |
| 96 | //Soft attributes always need to be protected using only the char encode method since otherwise the logic breaks |
| 97 | $filtered = $this->filter_soft_attributes( $filtered, 'char_encode' ); |
| 98 | |
| 99 | switch( $protect_using ) { |
| 100 | case 'char_encode': |
| 101 | $filtered = $this->filter_plain_emails( $filtered, null, 'char_encode' ); |
| 102 | break; |
| 103 | case 'strong_method': |
| 104 | $filtered = $this->filter_plain_emails( $filtered ); |
| 105 | break; |
| 106 | case 'without_javascript': |
| 107 | $filtered = $this->filter_input_fields( $filtered, $protect_using ); |
| 108 | $filtered = $this->filter_mailto_links( $filtered, 'without_javascript' ); |
| 109 | $filtered = $this->filter_custom_links( $filtered, 'without_javascript' ); |
| 110 | |
| 111 | if ( $convert_plain_to_image ) { |
| 112 | $replace_by = 'convert_image'; |
| 113 | } else { |
| 114 | $replace_by = 'use_css'; |
| 115 | } |
| 116 | |
| 117 | if ( $encode_mailtos ) { |
| 118 | if ( ! ( function_exists( 'et_fb_enabled' ) && et_fb_enabled() ) ) { |
| 119 | $filtered = $this->filter_plain_emails( $filtered, function ( $match ) use ( $self ) { |
| 120 | return $self->create_protected_mailto( $match[0], array( 'href' => 'mailto:' . $match[0] ), 'without_javascript' ); |
| 121 | }, $replace_by); |
| 122 | } else { |
| 123 | $filtered = $this->filter_plain_emails( $filtered, null, $replace_by ); |
| 124 | } |
| 125 | } else { |
| 126 | $filtered = $this->filter_plain_emails( $filtered, null, $replace_by ); |
| 127 | } |
| 128 | |
| 129 | break; |
| 130 | case 'with_javascript': |
| 131 | $filtered = $this->filter_input_fields( $filtered, $protect_using ); |
| 132 | $filtered = $this->filter_mailto_links( $filtered ); |
| 133 | $filtered = $this->filter_custom_links( $filtered ); |
| 134 | |
| 135 | if ( $convert_plain_to_image ) { |
| 136 | $replace_by = 'convert_image'; |
| 137 | } else { |
| 138 | $replace_by = 'use_javascript'; |
| 139 | } |
| 140 | |
| 141 | if ( $encode_mailtos ) { |
| 142 | if ( ! ( function_exists( 'et_fb_enabled' ) && et_fb_enabled() ) ) { |
| 143 | $filtered = $this->filter_plain_emails( $filtered, function ( $match ) use ( $self ) { |
| 144 | return $self->create_protected_mailto( $match[0], array( 'href' => 'mailto:' . $match[0] ), 'with_javascript' ); |
| 145 | }, $replace_by); |
| 146 | } else { |
| 147 | $filtered = $this->filter_plain_emails( $filtered, null, $replace_by ); |
| 148 | } |
| 149 | } else { |
| 150 | $filtered = $this->filter_plain_emails( $filtered, null, $replace_by ); |
| 151 | } |
| 152 | |
| 153 | break; |
| 154 | } |
| 155 | |
| 156 | //Revalidate filtered emails that should not be encoded |
| 157 | $filtered = $this->temp_encode_at_symbol( $filtered, true ); |
| 158 | |
| 159 | return $filtered; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Emails will be replaced by '*protected email*' |
| 164 | * @param string $content |
| 165 | * @param string|callable $replace_by Optional |
| 166 | * @param string $protection_method Optional |
| 167 | * @param mixed $show_encoded_check Optional |
| 168 | * @return string |
| 169 | */ |
| 170 | public function filter_plain_emails( $content, $replace_by = null, $protection_method = 'default', $show_encoded_check = 'default' ) { |
| 171 | |
| 172 | if ( $show_encoded_check === 'default' ) { |
| 173 | $show_encoded_check = (bool) $this->getSetting( 'show_encoded_check', true ); |
| 174 | } |
| 175 | |
| 176 | if ( $replace_by === null ) { |
| 177 | $replace_by = __( $this->getSetting( 'protection_text', true ), 'email-encoder-bundle' ); |
| 178 | } |
| 179 | |
| 180 | $self = $this; |
| 181 | |
| 182 | return preg_replace_callback( $this->settings()->get_email_regex(), function ( $matches ) use ( $replace_by, $protection_method, $show_encoded_check, $self ) { |
| 183 | // workaround to skip responsive image names containing @ |
| 184 | $extention = strtolower( $matches[4] ); |
| 185 | $excludedList = array( |
| 186 | '.jpg', |
| 187 | '.jpeg', |
| 188 | '.png', |
| 189 | '.gif', |
| 190 | '.svg', |
| 191 | '.webp', |
| 192 | '.bmp', |
| 193 | '.tiff', |
| 194 | '.avif', |
| 195 | ); |
| 196 | |
| 197 | //Added in 2.1.1 |
| 198 | $excludedList = apply_filters( 'eeb/validate/excluded_image_urls', $excludedList ); |
| 199 | |
| 200 | if ( in_array( $extention, $excludedList ) ) { |
| 201 | return $matches[0]; |
| 202 | } |
| 203 | |
| 204 | if ( is_callable( $replace_by ) ) { |
| 205 | return call_user_func( $replace_by, $matches, $protection_method ); |
| 206 | } |
| 207 | |
| 208 | if ( $protection_method === 'char_encode' ) { |
| 209 | $protected_return = antispambot( $matches[0] ); |
| 210 | } elseif ( $protection_method === 'convert_image' ) { |
| 211 | |
| 212 | $image_link = $self->generate_email_image_url( $matches[0] ); |
| 213 | if ( ! empty( $image_link ) ) { |
| 214 | $protected_return = '<img src="' . $image_link . '" />'; |
| 215 | } else { |
| 216 | $protected_return = antispambot( $matches[0] ); |
| 217 | } |
| 218 | |
| 219 | } elseif ( $protection_method === 'use_javascript' ) { |
| 220 | $protection_text = __( $this->getSetting( 'protection_text', true ), 'email-encoder-bundle' ); |
| 221 | $protected_return = $this->dynamic_js_email_encoding( $matches[0], $protection_text ); |
| 222 | } elseif ( $protection_method === 'use_css' ) { |
| 223 | $protection_text = __( $this->getSetting( 'protection_text', true ), 'email-encoder-bundle' ); |
| 224 | $protected_return = $this->encode_email_css( $matches[0], $protection_text ); |
| 225 | } elseif ( $protection_method === 'no_encoding' ) { |
| 226 | $protected_return = $matches[0]; |
| 227 | } else { |
| 228 | $protected_return = $replace_by; |
| 229 | } |
| 230 | |
| 231 | // mark link as successfully encoded (for admin users) |
| 232 | if ( current_user_can( $this->getAdminCap( 'frontend-display-security-check' ) ) && $show_encoded_check ) { |
| 233 | $protected_return .= $this->get_encoded_email_icon(); |
| 234 | } |
| 235 | |
| 236 | return $protected_return; |
| 237 | |
| 238 | }, $content ); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Filter passed input fields |
| 243 | * |
| 244 | * @param string $content |
| 245 | * @return string |
| 246 | */ |
| 247 | public function filter_input_fields( $content, $encoding_method = 'default' ) { |
| 248 | $self = $this; |
| 249 | $strong_encoding = (bool) $this->getSetting( 'input_strong_protection', true, 'filter_body' ); |
| 250 | |
| 251 | $callback_encode_input_fields = function ( $match ) use ( $self, $encoding_method, $strong_encoding ) { |
| 252 | $input = $match[0]; |
| 253 | $email = $match[2]; |
| 254 | |
| 255 | //Only allow strong encoding if javascript is supported |
| 256 | if ( $encoding_method === 'without_javascript' ) { |
| 257 | $strong_encoding = false; |
| 258 | } |
| 259 | |
| 260 | return $self->encode_input_field( $input, $email, $strong_encoding ); |
| 261 | }; |
| 262 | |
| 263 | $regexpInputField = '/<input([^>]*)value=["\'][\s+]*' . $this->settings()->get_email_regex( true ) . '[\s+]*["\']([^>]*)>/is'; |
| 264 | |
| 265 | return preg_replace_callback( $regexpInputField, $callback_encode_input_fields, $content ); |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * @param string $content |
| 270 | * @return string |
| 271 | */ |
| 272 | public function filter_mailto_links( $content, $protection_method = null ) { |
| 273 | $self = $this; |
| 274 | |
| 275 | $callbackEncodeMailtoLinks = function ( $match ) use ( $self, $protection_method ) { |
| 276 | $attrs = $this->helper()->parse_html_attributes( $match[1] ); |
| 277 | return $self->create_protected_mailto( $match[4], $attrs, $protection_method ); |
| 278 | }; |
| 279 | |
| 280 | $regexpMailtoLink = '/<a[\s+]*(([^>]*)href=["\']mailto\:([^>]*)["\' ])>(.*?)<\/a[\s+]*>/is'; |
| 281 | |
| 282 | return preg_replace_callback( $regexpMailtoLink, $callbackEncodeMailtoLinks, $content ); |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * @param string $content |
| 287 | * @return string |
| 288 | */ |
| 289 | public function filter_custom_links( $content, $protection_method = null ) { |
| 290 | $self = $this; |
| 291 | $custom_href_attr = (string) $this->getSetting( 'custom_href_attr', true ); |
| 292 | |
| 293 | if ( ! empty( $custom_href_attr ) ) { |
| 294 | $custom_attr_list = explode( ',', $custom_href_attr ); |
| 295 | foreach( $custom_attr_list as $s_attr ) { |
| 296 | $attr_name = trim( $s_attr ); |
| 297 | |
| 298 | $callbackEncodeCustomLinks = function ( $match ) use ( $self, $protection_method ) { |
| 299 | $attrs = shortcode_parse_atts( $match[1] ); |
| 300 | return $self->create_protected_href_att( $match[4], $attrs, $protection_method ); |
| 301 | }; |
| 302 | |
| 303 | $regexpMailtoLink = '/<a[\s+]*(([^>]*)href=["\']' . addslashes( $attr_name ) . '\:([^>]*)["\' ])>(.*?)<\/a[\s+]*>/is'; |
| 304 | |
| 305 | $content = preg_replace_callback( $regexpMailtoLink, $callbackEncodeCustomLinks, $content ); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | return $content; |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * Emails will be replaced by '*protected email*' |
| 314 | * |
| 315 | * @param string $content |
| 316 | * @return string |
| 317 | */ |
| 318 | public function filter_rss( $content, $protection_type ) { |
| 319 | |
| 320 | if ( $protection_type === 'strong_method' ) { |
| 321 | $filtered = $this->filter_plain_emails( $content ); |
| 322 | } else { |
| 323 | $filtered = $this->filter_plain_emails( $content, null, 'char_encode' ); |
| 324 | } |
| 325 | |
| 326 | return $filtered; |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Filter plain emails using soft attributes |
| 331 | * |
| 332 | * @param string $content - the content that should be soft filtered |
| 333 | * @param string $protection_method - The method (E.g. char_encode) |
| 334 | * @return string |
| 335 | */ |
| 336 | public function filter_soft_attributes( $content, $protection_method ) { |
| 337 | $soft_attributes = $this->settings()->get_soft_attribute_regex(); |
| 338 | |
| 339 | foreach( $soft_attributes as $ident => $regex ) { |
| 340 | |
| 341 | $attributes = array(); |
| 342 | preg_match_all( $regex, $content, $attributes ); |
| 343 | |
| 344 | if ( is_array( $attributes ) && isset( $attributes[0] ) ) { |
| 345 | foreach( $attributes[0] as $single ) { |
| 346 | |
| 347 | if ( empty( $single ) ) { |
| 348 | continue; |
| 349 | } |
| 350 | |
| 351 | $content = str_replace( $single, $this->filter_plain_emails( $single, null, $protection_method, false ), $content ); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | } |
| 356 | |
| 357 | return $content; |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Filter plain emails using soft dom attributes |
| 362 | * |
| 363 | * @param string $content - the content that should be soft filtered |
| 364 | * @param string $protection_method - The method (E.g. char_encode) |
| 365 | * @return string |
| 366 | */ |
| 367 | public function filter_soft_dom_attributes( $content, $protection_method ) { |
| 368 | |
| 369 | $no_script_tags = (bool) $this->getSetting( 'no_script_tags', true, 'filter_body' ); |
| 370 | $no_attribute_validation = (bool) $this->getSetting( 'no_attribute_validation', true, 'filter_body' ); |
| 371 | |
| 372 | if ( ! empty( $content ) && is_string( $content ) ) { |
| 373 | |
| 374 | if ( class_exists( 'DOMDocument' ) ) { |
| 375 | $dom = new DOMDocument(); |
| 376 | @$dom->loadHTML($content); |
| 377 | |
| 378 | //Filter html attributes |
| 379 | if ( ! $no_attribute_validation ) { |
| 380 | $allNodes = $dom->getElementsByTagName('*'); |
| 381 | foreach( $allNodes as $snote ) { |
| 382 | if ( $snote->hasAttributes() ) { |
| 383 | foreach( $snote->attributes as $attr ) { |
| 384 | if ( $attr->nodeName == 'href' || $attr->nodeName == 'src' ) { |
| 385 | continue; |
| 386 | } |
| 387 | |
| 388 | if ( strpos( $attr->nodeValue, '@' ) !== FALSE ) { |
| 389 | $single_tags = array(); |
| 390 | preg_match_all( '/' . $attr->nodeName . '=["\']([^"]*)["\']/i', $content, $single_tags ); |
| 391 | |
| 392 | if ( is_array( $single_tags ) && isset( $single_tags[0] ) ) { |
| 393 | foreach( $single_tags[0] as $single ) { |
| 394 | |
| 395 | if ( empty( $single ) ) { |
| 396 | continue; |
| 397 | } |
| 398 | |
| 399 | $content = str_replace( $single, $this->filter_plain_emails( $single, null, $protection_method, false ), $content ); |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | } |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | //Keep for now |
| 410 | //Soft-encode scripts |
| 411 | // $script = $dom->getElementsByTagName('script'); |
| 412 | // if ( ! empty( $script ) ) { |
| 413 | // $scripts_encoded = true; |
| 414 | |
| 415 | // if ( ! $no_script_tags ) { |
| 416 | // foreach( $script as $item ) { |
| 417 | // $content = str_replace( $item->nodeValue, $this->filter_plain_emails( $item->nodeValue, null, $protection_method, false ), $content ); |
| 418 | // } |
| 419 | // } else { |
| 420 | // foreach( $script as $item ) { |
| 421 | // $content = str_replace( $item->nodeValue, $this->temp_encode_at_symbol( $item->nodeValue ), $content ); |
| 422 | // } |
| 423 | // } |
| 424 | // } |
| 425 | |
| 426 | } |
| 427 | |
| 428 | //Validate script tags for better encoding |
| 429 | $pattern = '/<script\b[^>]*>(.*?)<\/script>/is'; |
| 430 | |
| 431 | preg_match_all($pattern, $content, $matches); |
| 432 | if ( |
| 433 | isset( $matches[1] ) |
| 434 | && ! empty( $matches[1] ) |
| 435 | ) { |
| 436 | if ( ! $no_script_tags ) { |
| 437 | foreach( $matches[1] as $key => $item ) { |
| 438 | |
| 439 | //Don't do anything if something doesn't add up |
| 440 | if ( ! isset( $matches[0][ $key ] ) ) { |
| 441 | continue; |
| 442 | } |
| 443 | |
| 444 | $org_script = $matches[0][ $key ]; |
| 445 | |
| 446 | //Only encode emails when a CDATA is given to not cause any break within the scripts |
| 447 | if ( strpos( $item, '<![CDATA' ) !== false ) { |
| 448 | $validated_script = str_replace( $item, $this->filter_plain_emails( $item, null, $protection_method, false ), $org_script ); |
| 449 | } else { |
| 450 | $validated_script = str_replace( $item, $this->temp_encode_at_symbol( $item ), $org_script ); |
| 451 | } |
| 452 | |
| 453 | $content = str_replace( $org_script, $validated_script, $content ); |
| 454 | } |
| 455 | } else { |
| 456 | foreach( $matches[1] as $key => $item ) { |
| 457 | |
| 458 | //Don't do anything if something doesn't add up |
| 459 | if ( ! isset( $matches[0][ $key ] ) ) { |
| 460 | continue; |
| 461 | } |
| 462 | |
| 463 | $org_script = $matches[0][ $key ]; |
| 464 | $validated_script = str_replace( $item, $this->temp_encode_at_symbol( $item ), $org_script ); |
| 465 | |
| 466 | $content = str_replace( $org_script, $validated_script, $content ); |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | } |
| 472 | |
| 473 | |
| 474 | return $content; |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * ###################### |
| 479 | * ### |
| 480 | * #### ENCODINGS |
| 481 | * ### |
| 482 | * ###################### |
| 483 | */ |
| 484 | |
| 485 | public function temp_encode_at_symbol( $content, $decode = false ) { |
| 486 | if ( $decode ) { |
| 487 | return str_replace( $this->at_identifier, '@', $content ); |
| 488 | } |
| 489 | |
| 490 | return str_replace( '@', $this->at_identifier, $content ); |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * ASCII method |
| 495 | * |
| 496 | * @param string $value |
| 497 | * @param string $protection_text |
| 498 | * @return string |
| 499 | */ |
| 500 | public function encode_ascii($value, $protection_text) { |
| 501 | $mail_link = $value; |
| 502 | |
| 503 | // first encode, so special chars can be supported |
| 504 | $mail_link = $this->helper()->encode_uri_components( $mail_link ); |
| 505 | |
| 506 | $mail_letters = ''; |
| 507 | |
| 508 | for ($i = 0; $i < strlen($mail_link); $i ++) { |
| 509 | $l = substr($mail_link, $i, 1); |
| 510 | |
| 511 | if (strpos($mail_letters, $l) === false) { |
| 512 | $p = rand(0, strlen($mail_letters)); |
| 513 | $mail_letters = substr($mail_letters, 0, $p) . |
| 514 | $l . substr($mail_letters, $p, strlen($mail_letters)); |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | $mail_letters_enc = str_replace("\\", "\\\\", $mail_letters); |
| 519 | $mail_letters_enc = str_replace("\"", "\\\"", $mail_letters_enc); |
| 520 | |
| 521 | $mail_indices = ''; |
| 522 | for ($i = 0; $i < strlen($mail_link); $i ++) { |
| 523 | $index = strpos($mail_letters, substr($mail_link, $i, 1)); |
| 524 | $index += 48; |
| 525 | $mail_indices .= chr($index); |
| 526 | } |
| 527 | |
| 528 | $mail_indices = str_replace("\\", "\\\\", $mail_indices); |
| 529 | $mail_indices = str_replace("\"", "\\\"", $mail_indices); |
| 530 | |
| 531 | $element_id = 'eeb-' . mt_rand( 0, 1000000 ) . '-' . mt_rand(0, 1000000); |
| 532 | |
| 533 | return '<span id="'. $element_id . '"></span>' |
| 534 | . '<script type="text/javascript">' |
| 535 | . '(function() {' |
| 536 | . 'var ml="'. $mail_letters_enc .'",mi="'. $mail_indices .'",o="";' |
| 537 | . 'for(var j=0,l=mi.length;j<l;j++) {' |
| 538 | . 'o+=ml.charAt(mi.charCodeAt(j)-48);' |
| 539 | . '}document.getElementById("' . $element_id . '").innerHTML = decodeURIComponent(o);' // decode at the end, this way special chars can be supported |
| 540 | . '}());' |
| 541 | . '</script><noscript>' |
| 542 | . $protection_text |
| 543 | . '</noscript>'; |
| 544 | } |
| 545 | |
| 546 | /** |
| 547 | * Escape encoding method |
| 548 | * |
| 549 | * @param string $value |
| 550 | * @param string $protection_text |
| 551 | * @return string |
| 552 | */ |
| 553 | public function encode_escape( $value, $protection_text ) { |
| 554 | $element_id = 'eeb-' . mt_rand( 0, 1000000 ) . '-' . mt_rand( 0, 1000000 ); |
| 555 | $string = '\'' . $value . '\''; |
| 556 | |
| 557 | //Validate escape sequences |
| 558 | $string = preg_replace('/\s+/S', " ", $string); |
| 559 | |
| 560 | // break string into array of characters, we can't use string_split because its php5 only |
| 561 | $split = preg_split( '||', $string ); |
| 562 | $out = '<span id="'. $element_id . '"></span>' |
| 563 | . '<script type="text/javascript">' . 'document.getElementById("' . $element_id . '").innerHTML = ev' . 'al(decodeURIComponent("'; |
| 564 | |
| 565 | foreach( $split as $c ) { |
| 566 | // preg split will return empty first and last characters, check for them and ignore |
| 567 | if ( ! empty( $c ) || $c === '0' ) { |
| 568 | $out .= '%' . dechex( ord( $c ) ); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | $out .= '"))' . '</script><noscript>' |
| 573 | . $protection_text |
| 574 | . '</noscript>'; |
| 575 | |
| 576 | return $out; |
| 577 | } |
| 578 | |
| 579 | /** |
| 580 | * Encode email in input field |
| 581 | * @param string $input |
| 582 | * @param string $email |
| 583 | * @return string |
| 584 | */ |
| 585 | public function encode_input_field( $input, $email, $strongEncoding = false ) { |
| 586 | |
| 587 | $show_encoded_check = (bool) $this->getSetting( 'show_encoded_check', true ); |
| 588 | |
| 589 | if ( $strongEncoding === false ) { |
| 590 | // encode email with entities (default wp method) |
| 591 | $sub_return = str_replace( $email, antispambot( $email ), $input ); |
| 592 | |
| 593 | if ( current_user_can( $this->getAdminCap( 'frontend-display-security-check' ) ) && $show_encoded_check ) { |
| 594 | $sub_return .= $this->get_encoded_email_icon(); |
| 595 | } |
| 596 | |
| 597 | return $sub_return; |
| 598 | } |
| 599 | |
| 600 | // add data-enc-email after "<input" |
| 601 | $inputWithDataAttr = substr( $input, 0, 6 ); |
| 602 | $inputWithDataAttr .= ' data-enc-email="' . $this->get_encoded_email( $email ) . '"'; |
| 603 | $inputWithDataAttr .= substr( $input, 6 ); |
| 604 | |
| 605 | // mark link as successfullly encoded (for admin users) |
| 606 | if ( current_user_can( $this->getAdminCap( 'frontend-display-security-check' ) ) && $show_encoded_check ) { |
| 607 | $inputWithDataAttr .= $this->get_encoded_email_icon(); |
| 608 | } |
| 609 | |
| 610 | // remove email from value attribute |
| 611 | $encInput = str_replace( $email, '', $inputWithDataAttr ); |
| 612 | |
| 613 | return $encInput; |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * Get encoded email, used for data-attribute (translate by javascript) |
| 618 | * |
| 619 | * @param string $email |
| 620 | * @return string |
| 621 | */ |
| 622 | public function get_encoded_email( $email ) { |
| 623 | $encEmail = $email; |
| 624 | |
| 625 | // decode entities |
| 626 | $encEmail = html_entity_decode( $encEmail ); |
| 627 | |
| 628 | // rot13 encoding |
| 629 | $encEmail = str_rot13( $encEmail ); |
| 630 | |
| 631 | // replace @ |
| 632 | $encEmail = str_replace( '@', '[at]', $encEmail ); |
| 633 | |
| 634 | return $encEmail; |
| 635 | } |
| 636 | |
| 637 | /** |
| 638 | * Get the ebcoded email icon |
| 639 | * |
| 640 | * @param string $email |
| 641 | * @return string |
| 642 | */ |
| 643 | public function get_encoded_email_icon( $text = 'Email encoded successfully!' ) { |
| 644 | |
| 645 | $html = '<i class="eeb-encoded dashicons-before dashicons-lock" title="' . __( $text, 'email-encoder-bundle' ) . '"></i>'; |
| 646 | |
| 647 | return apply_filters( 'eeb/validate/get_encoded_email_icon', $html, $text ); |
| 648 | } |
| 649 | |
| 650 | /** |
| 651 | * Create a protected email |
| 652 | * |
| 653 | * @param string $display |
| 654 | * @param array $attrs Optional |
| 655 | * @return string |
| 656 | */ |
| 657 | public function create_protected_mailto( $display, $attrs = array(), $protection_method = null ) { |
| 658 | $email = ''; |
| 659 | $class_ori = ( empty( $attrs['class'] ) ) ? '' : $attrs['class']; |
| 660 | $custom_class = (string) $this->getSetting( 'class_name', true ); |
| 661 | $show_encoded_check = (string) $this->getSetting( 'show_encoded_check', true ); |
| 662 | |
| 663 | // set user-defined class |
| 664 | if ( $custom_class && strpos( $class_ori, $custom_class ) === FALSE ) { |
| 665 | $attrs['class'] = ( empty( $attrs['class'] ) ) ? $custom_class : $attrs['class'] . ' ' . $custom_class; |
| 666 | } |
| 667 | |
| 668 | // check title for email address |
| 669 | if ( ! empty( $attrs['title'] ) ) { |
| 670 | $attrs['title'] = $this->filter_plain_emails( $attrs['title'], '{{email}}' ); // {{email}} will be replaced in javascript |
| 671 | } |
| 672 | |
| 673 | // set ignore to data-attribute to prevent being processed by WPEL plugin |
| 674 | $attrs['data-wpel-link'] = 'ignore'; |
| 675 | |
| 676 | // create element code |
| 677 | $link = '<a '; |
| 678 | |
| 679 | foreach ( $attrs AS $key => $value ) { |
| 680 | if ( strtolower( $key ) == 'href' ) { |
| 681 | if ( $protection_method === 'without_javascript' ) { |
| 682 | $link .= $key . '="' . antispambot( $value ) . '" '; |
| 683 | } else { |
| 684 | // get email from href |
| 685 | $email = substr($value, 7); |
| 686 | |
| 687 | $encoded_email = $this->get_encoded_email( $email ); |
| 688 | |
| 689 | // set attrs |
| 690 | $link .= 'href="javascript:;" '; |
| 691 | $link .= 'data-enc-email="' . $encoded_email . '" '; |
| 692 | } |
| 693 | |
| 694 | } else { |
| 695 | $link .= $key . '="' . $value . '" '; |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | // remove last space |
| 700 | $link = substr( $link, 0, -1 ); |
| 701 | |
| 702 | $link .= '>'; |
| 703 | |
| 704 | $link .= ( preg_match( $this->settings()->get_email_regex(), $display) > 0 ) ? $this->get_protected_display( $display, $protection_method ) : $display; |
| 705 | |
| 706 | $link .= '</a>'; |
| 707 | |
| 708 | // filter |
| 709 | $link = apply_filters( 'eeb_mailto', $link, $display, $email, $attrs ); |
| 710 | |
| 711 | // just in case there are still email addresses f.e. within title-tag |
| 712 | $link = $this->filter_plain_emails( $link, null, 'char_encode' ); |
| 713 | |
| 714 | // mark link as successfullly encoded (for admin users) |
| 715 | if ( current_user_can( $this->getAdminCap( 'frontend-display-security-check' ) ) && $show_encoded_check ) { |
| 716 | $link .= $this->get_encoded_email_icon(); |
| 717 | } |
| 718 | |
| 719 | |
| 720 | return $link; |
| 721 | } |
| 722 | |
| 723 | /** |
| 724 | * Create a protected custom attribute |
| 725 | * |
| 726 | * @param string $display |
| 727 | * @param array $attrs Optional |
| 728 | * @return string |
| 729 | */ |
| 730 | public function create_protected_href_att( $display, $attrs = array(), $protection_method = null ) { |
| 731 | $email = ''; |
| 732 | $class_ori = ( empty( $attrs['class'] ) ) ? '' : $attrs['class']; |
| 733 | $custom_class = (string) $this->getSetting( 'class_name', true ); |
| 734 | $show_encoded_check = (string) $this->getSetting( 'show_encoded_check', true ); |
| 735 | |
| 736 | // set user-defined class |
| 737 | if ( $custom_class && strpos( $class_ori, $custom_class ) === FALSE ) { |
| 738 | $attrs['class'] = ( empty( $attrs['class'] ) ) ? $custom_class : $attrs['class'] . ' ' . $custom_class; |
| 739 | } |
| 740 | |
| 741 | // check title for email address |
| 742 | if ( ! empty( $attrs['title'] ) ) { |
| 743 | $attrs['title'] = antispambot( $attrs['title'] ); |
| 744 | } |
| 745 | |
| 746 | // set ignore to data-attribute to prevent being processed by WPEL plugin |
| 747 | $attrs['data-wpel-link'] = 'ignore'; |
| 748 | |
| 749 | // create element code |
| 750 | $link = '<a '; |
| 751 | |
| 752 | foreach ( $attrs AS $key => $value ) { |
| 753 | if ( strtolower( $key ) == 'href' ) { |
| 754 | $link .= $key . '="' . antispambot( $value ) . '" '; |
| 755 | } else { |
| 756 | $link .= $key . '="' . $value . '" '; |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | // remove last space |
| 761 | $link = substr( $link, 0, -1 ); |
| 762 | |
| 763 | $link .= '>'; |
| 764 | |
| 765 | $link .= $this->get_protected_display( $display, $protection_method ); |
| 766 | |
| 767 | $link .= '</a>'; |
| 768 | |
| 769 | // filter |
| 770 | $link = apply_filters( 'eeb_custom_href', $link, $display, $email, $attrs ); |
| 771 | |
| 772 | // mark link as successfullly encoded (for admin users) |
| 773 | if ( current_user_can( $this->getAdminCap( 'frontend-display-security-check' ) ) && $show_encoded_check ) { |
| 774 | $link .= $this->get_encoded_email_icon( 'Custom attribute encoded successfully!' ); |
| 775 | } |
| 776 | |
| 777 | |
| 778 | return $link; |
| 779 | } |
| 780 | |
| 781 | /** |
| 782 | * Create protected display combining these 3 methods: |
| 783 | * - reversing string |
| 784 | * - adding no-display spans with dummy values |
| 785 | * - using the wp antispambot function |
| 786 | * |
| 787 | * @param string|array $display |
| 788 | * @return string Protected display |
| 789 | */ |
| 790 | public function get_protected_display( $display, $protection_method = null ) { |
| 791 | |
| 792 | $convert_plain_to_image = (bool) $this->getSetting( 'convert_plain_to_image', true, 'filter_body' ); |
| 793 | $protection_text = __( $this->getSetting( 'protection_text', true ), 'email-encoder-bundle' ); |
| 794 | $raw_display = $display; |
| 795 | |
| 796 | // get display out of array (result of preg callback) |
| 797 | if ( is_array( $display ) ) { |
| 798 | $display = $display[0]; |
| 799 | } |
| 800 | |
| 801 | if ( $convert_plain_to_image ) { |
| 802 | $display = '<img src="' . $this->generate_email_image_url( $display ) . '" />'; |
| 803 | } elseif ( $protection_method !== 'without_javascript' ) { |
| 804 | $display = $this->dynamic_js_email_encoding( $display, $protection_text ); |
| 805 | } else { |
| 806 | $display = $this->encode_email_css( $display ); |
| 807 | } |
| 808 | |
| 809 | return apply_filters( 'eeb/validate/get_protected_display', $display, $raw_display, $protection_method, $protection_text ); |
| 810 | |
| 811 | } |
| 812 | |
| 813 | /** |
| 814 | * Dynamic email encoding with certain javascript methods |
| 815 | * |
| 816 | * @param string $email |
| 817 | * @param string $protection_text |
| 818 | * @return the encoded email |
| 819 | */ |
| 820 | public function dynamic_js_email_encoding( $email, $protection_text = null ) { |
| 821 | $return = $email; |
| 822 | $rand = apply_filters( 'eeb/validate/random_encoding', rand(0,2), $email, $protection_text ); |
| 823 | |
| 824 | switch( $rand ) { |
| 825 | case 2: |
| 826 | $return = $this->encode_escape( $return, $protection_text ); |
| 827 | break; |
| 828 | case 1: |
| 829 | $return = $this->encode_ascii( $return, $protection_text ); |
| 830 | break; |
| 831 | default: |
| 832 | $return = $this->encode_ascii( $return, $protection_text ); |
| 833 | break; |
| 834 | } |
| 835 | |
| 836 | return $return; |
| 837 | } |
| 838 | |
| 839 | public function encode_email_css( $display ) { |
| 840 | $deactivate_rtl = (bool) $this->getSetting( 'deactivate_rtl', true, 'filter_body' ); |
| 841 | |
| 842 | $stripped_display = strip_tags( $display ); |
| 843 | $stripped_display = html_entity_decode( $stripped_display ); |
| 844 | |
| 845 | $length = strlen( $stripped_display ); |
| 846 | $interval = ceil( min( 5, $length / 2 ) ); |
| 847 | $offset = 0; |
| 848 | $dummy_data = time(); |
| 849 | $protected = ''; |
| 850 | $protection_classes = 'eeb'; |
| 851 | |
| 852 | if ( $deactivate_rtl ) { |
| 853 | $rev = $stripped_display; |
| 854 | $protection_classes .= ' eeb-nrtl'; |
| 855 | } else { |
| 856 | // reverse string ( will be corrected with CSS ) |
| 857 | $rev = strrev( $stripped_display ); |
| 858 | $protection_classes .= ' eeb-rtl'; |
| 859 | } |
| 860 | |
| 861 | |
| 862 | while ( $offset < $length ) { |
| 863 | $protected .= '<span class="eeb-sd">' . antispambot( substr( $rev, $offset, $interval ) ) . '</span>'; |
| 864 | |
| 865 | // setup dummy content |
| 866 | $protected .= '<span class="eeb-nodis">' . $dummy_data . '</span>'; |
| 867 | $offset += $interval; |
| 868 | } |
| 869 | |
| 870 | $protected = '<span class="' . $protection_classes . '">' . $protected . '</span>'; |
| 871 | |
| 872 | return $protected; |
| 873 | } |
| 874 | |
| 875 | public function email_to_image( $email, $image_string_color = 'default', $image_background_color = 'default', $alpha_string = 0, $alpha_fill = 127, $font_size = 4 ) { |
| 876 | |
| 877 | $setting_image_string_color = (string) $this->getSetting( 'image_color', true, 'image_settings' ); |
| 878 | $setting_image_background_color = (string) $this->getSetting( 'image_background_color', true, 'image_settings' ); |
| 879 | $image_text_opacity = (int) $this->getSetting( 'image_text_opacity', true, 'image_settings' ); |
| 880 | $image_background_opacity = (int) $this->getSetting( 'image_background_opacity', true, 'image_settings' ); |
| 881 | $image_font_size = (int) $this->getSetting( 'image_font_size', true, 'image_settings' ); |
| 882 | $image_underline = (int) $this->getSetting( 'image_underline', true, 'image_settings' ); |
| 883 | $border_padding = 0; |
| 884 | $border_offset = 2; |
| 885 | $border_height = ( is_numeric( $image_underline ) && ! empty( $image_underline ) ) ? intval( $image_underline ) : 0; |
| 886 | |
| 887 | if ( $image_background_color === 'default' ) { |
| 888 | $image_background_color = $setting_image_background_color; |
| 889 | } else { |
| 890 | $image_background_color = '0,0,0'; |
| 891 | } |
| 892 | |
| 893 | $colors = explode( ',', $image_background_color ); |
| 894 | $bg_red = $colors[0]; |
| 895 | $bg_green = $colors[1]; |
| 896 | $bg_blue = $colors[2]; |
| 897 | |
| 898 | if ( $image_string_color === 'default' ) { |
| 899 | $image_string_color = $setting_image_string_color; |
| 900 | } else { |
| 901 | $image_string_color = '0,0,0'; |
| 902 | } |
| 903 | |
| 904 | $colors = explode( ',', $image_string_color ); |
| 905 | $string_red = $colors[0]; |
| 906 | $string_green = $colors[1]; |
| 907 | $string_blue = $colors[2]; |
| 908 | |
| 909 | if ( ! empty( $image_text_opacity ) && $image_text_opacity >= 0 && $image_text_opacity <= 127 ) { |
| 910 | $alpha_string = intval( $image_text_opacity ); |
| 911 | } |
| 912 | |
| 913 | if ( ! empty( $image_background_opacity ) && $image_background_opacity >= 0 && $image_background_opacity <= 127 ) { |
| 914 | $alpha_fill = intval( $image_background_opacity ); |
| 915 | } |
| 916 | |
| 917 | if ( ! empty( $image_font_size ) && $image_font_size >= 1 && $image_font_size <= 5 ) { |
| 918 | $font_size = intval( $image_font_size ); |
| 919 | } |
| 920 | |
| 921 | $img_width = imagefontwidth( $font_size ) * strlen( $email ); |
| 922 | $img_height = imagefontheight( $font_size ); |
| 923 | |
| 924 | if ( ! empty( $border_height ) ) { |
| 925 | $img_real_height = $img_height + $border_offset + $border_height; |
| 926 | } else { |
| 927 | $img_real_height = $img_height; |
| 928 | } |
| 929 | |
| 930 | $img = imagecreatetruecolor( $img_width, $img_real_height ); |
| 931 | imagesavealpha( $img, true ); |
| 932 | imagefill( $img, 0, 0, imagecolorallocatealpha ($img, $bg_red, $bg_green, $bg_blue, $alpha_fill ) ); |
| 933 | imagestring( $img, $font_size, 0, 0, $email, imagecolorallocatealpha( $img, $string_red, $string_green, $string_blue, $alpha_string ) ); |
| 934 | |
| 935 | |
| 936 | if ( ! empty( $border_height ) ) { |
| 937 | $border_fill = imagecolorallocatealpha ($img, $string_red, $string_green, $string_blue, $alpha_string ); |
| 938 | imagefilledrectangle( $img, 0, $border_offset + $img_height + $border_height - 1, $border_padding + $img_width, $border_offset + $img_height, $border_fill ); |
| 939 | } |
| 940 | |
| 941 | ob_start(); |
| 942 | imagepng( $img ); |
| 943 | imagedestroy( $img ); |
| 944 | |
| 945 | return ob_get_clean (); |
| 946 | } |
| 947 | |
| 948 | public function generate_email_signature( $email, $secret ) { |
| 949 | |
| 950 | if ( ! $secret ) { |
| 951 | return false; |
| 952 | } |
| 953 | |
| 954 | $hash_signature = apply_filters( 'eeb/validate/email_signature', 'sha256', $email ); |
| 955 | |
| 956 | return base64_encode( hash_hmac( $hash_signature, $email, $secret, true ) ); |
| 957 | } |
| 958 | |
| 959 | public function generate_email_image_url( $email ) { |
| 960 | |
| 961 | if ( ! function_exists( 'imagefontwidth' ) || empty( $email ) || ! is_email( $email ) ) { |
| 962 | return false; |
| 963 | } |
| 964 | |
| 965 | $secret = $this->settings()->get_email_image_secret(); |
| 966 | $signature = $this->generate_email_signature( $email, $secret ); |
| 967 | $url = home_url() . '?eeb_mail=' . urlencode( base64_encode( $email ) ) . '&eeb_hash=' . urlencode( $signature ); |
| 968 | |
| 969 | $url = apply_filters( 'eeb/validate/generate_email_image_url', $url, $email ); |
| 970 | |
| 971 | return $url; |
| 972 | } |
| 973 | |
| 974 | /** |
| 975 | * ###################### |
| 976 | * ### |
| 977 | * #### ENCODER FORM |
| 978 | * ### |
| 979 | * ###################### |
| 980 | */ |
| 981 | |
| 982 | /** |
| 983 | * Get the encoder form (to use as a demo, like on the options page) |
| 984 | * @return string |
| 985 | */ |
| 986 | public function get_encoder_form() { |
| 987 | $powered_by_setting = (bool) $this->getSetting( 'powered_by', true, 'encoder_form' ); |
| 988 | |
| 989 | //shorten circle |
| 990 | if ( |
| 991 | ! $this->helper()->is_page( $this->page_name ) |
| 992 | && ! (bool) $this->getSetting( 'encoder_form_frontend', true, 'encoder_form' ) |
| 993 | ) { |
| 994 | return apply_filters('eeb_form_content_inactive', '' ); |
| 995 | } |
| 996 | |
| 997 | $powered_by = ''; |
| 998 | if ($powered_by_setting) { |
| 999 | $powered_by .= '<p class="powered-by">' . __('Powered by free', 'email-encoder-bundle') . ' <a rel="external" href="https://wordpress.org/plugins/email-encoder-bundle/">Email Encoder</a></p>'; |
| 1000 | } |
| 1001 | |
| 1002 | $smethods = array( |
| 1003 | 'rot13' => __( 'Rot13 (Javascript)', 'email-encoder-bundle' ), |
| 1004 | 'escape' => __( 'Escape (Javascript)', 'email-encoder-bundle' ), |
| 1005 | 'encode' => __( 'Encode (HTML)', 'email-encoder-bundle' ), |
| 1006 | ); |
| 1007 | $method_options = ''; |
| 1008 | $selected = false; |
| 1009 | foreach( $smethods as $method_name => $name ) { |
| 1010 | $method_options .= '<option value="' . $method_name . '"' . ( ($selected === false ) ? ' selected="selected"' : '') . '>' . $name . '</option>'; |
| 1011 | $selected = true; |
| 1012 | } |
| 1013 | |
| 1014 | $labels = array( |
| 1015 | 'email' => __( 'Email Address:', 'email-encoder-bundle' ), |
| 1016 | 'display' => __( 'Display Text:', 'email-encoder-bundle' ), |
| 1017 | 'mailto' => __( 'Mailto Link:', 'email-encoder-bundle' ), |
| 1018 | 'method' => __( 'Encoding Method:', 'email-encoder-bundle' ), |
| 1019 | 'create_link' => __( 'Create Protected Mail Link >>', 'email-encoder-bundle' ), |
| 1020 | 'output' => __( 'Protected Mail Link (code):', 'email-encoder-bundle' ), |
| 1021 | 'powered_by' => $powered_by, |
| 1022 | ); |
| 1023 | |
| 1024 | extract( $labels ); |
| 1025 | |
| 1026 | $form = <<<FORM |
| 1027 | <div class="eeb-form"> |
| 1028 | <form> |
| 1029 | <fieldset> |
| 1030 | <div class="input"> |
| 1031 | <table> |
| 1032 | <tbody> |
| 1033 | <tr> |
| 1034 | <th><label for="eeb-email">{$email}</label></th> |
| 1035 | <td><input type="text" class="regular-text" id="eeb-email" name="eeb-email" /></td> |
| 1036 | </tr> |
| 1037 | <tr> |
| 1038 | <th><label for="eeb-display">{$display}</label></th> |
| 1039 | <td><input type="text" class="regular-text" id="eeb-display" name="eeb-display" /></td> |
| 1040 | </tr> |
| 1041 | <tr> |
| 1042 | <th>{$mailto}</th> |
| 1043 | <td><span class="eeb-example"></span></td> |
| 1044 | </tr> |
| 1045 | <tr> |
| 1046 | <th><label for="eeb-encode-method">{$method}</label></th> |
| 1047 | <td><select id="eeb-encode-method" name="eeb-encode-method" class="postform"> |
| 1048 | {$method_options} |
| 1049 | </select> |
| 1050 | <input type="button" id="eeb-ajax-encode" name="eeb-ajax-encode" value="{$create_link}" /> |
| 1051 | </td> |
| 1052 | </tr> |
| 1053 | </tbody> |
| 1054 | </table> |
| 1055 | </div> |
| 1056 | <div class="eeb-output"> |
| 1057 | <table> |
| 1058 | <tbody> |
| 1059 | <tr> |
| 1060 | <th><label for="eeb-encoded-output">{$output}</label></th> |
| 1061 | <td><textarea class="large-text node" id="eeb-encoded-output" name="eeb-encoded-output" cols="50" rows="4"></textarea></td> |
| 1062 | </tr> |
| 1063 | </tbody> |
| 1064 | </table> |
| 1065 | </div> |
| 1066 | {$powered_by} |
| 1067 | </fieldset> |
| 1068 | </form> |
| 1069 | </div> |
| 1070 | FORM; |
| 1071 | |
| 1072 | // apply filters |
| 1073 | $form = apply_filters('eeb_form_content', $form, $labels, $powered_by_setting ); |
| 1074 | |
| 1075 | return $form; |
| 1076 | } |
| 1077 | |
| 1078 | |
| 1079 | public function is_post_excluded( $post_id = null ) { |
| 1080 | |
| 1081 | $return = false; |
| 1082 | $skip_posts = (string) $this->getSetting( 'skip_posts', true ); |
| 1083 | if ( ! empty( $skip_posts ) ) { |
| 1084 | |
| 1085 | if ( empty( $post_id ) ) { |
| 1086 | global $post; |
| 1087 | if ( ! empty( $post ) ) { |
| 1088 | $post_id = $post->ID; |
| 1089 | } |
| 1090 | } else { |
| 1091 | $post_id = intval( $post_id ); |
| 1092 | } |
| 1093 | |
| 1094 | $exclude_pages = explode( ',', $skip_posts ); |
| 1095 | |
| 1096 | if ( is_array( $exclude_pages ) ) { |
| 1097 | $exclude_pages_validated = array(); |
| 1098 | |
| 1099 | foreach( $exclude_pages as $spost_id ) { |
| 1100 | $spost_id = trim($spost_id); |
| 1101 | if ( is_numeric( $spost_id ) ) { |
| 1102 | $exclude_pages_validated[] = intval( $spost_id ); |
| 1103 | } |
| 1104 | } |
| 1105 | |
| 1106 | if ( in_array( $post_id, $exclude_pages_validated ) ) { |
| 1107 | $return = true; |
| 1108 | } |
| 1109 | } |
| 1110 | |
| 1111 | } |
| 1112 | |
| 1113 | return apply_filters( 'eeb/validate/is_post_excluded', $return, $post_id, $skip_posts ); |
| 1114 | } |
| 1115 | |
| 1116 | /** |
| 1117 | * Filter if to exclude specific URL parameters from filtering |
| 1118 | * |
| 1119 | * @since 2.2.0 |
| 1120 | * @param array $parameters |
| 1121 | * @return boolean |
| 1122 | */ |
| 1123 | public function is_query_parameter_excluded( $parameters = null ) { |
| 1124 | |
| 1125 | if ( $parameters === null ) { |
| 1126 | $parameters = $_GET; |
| 1127 | } |
| 1128 | |
| 1129 | $return = false; |
| 1130 | $skip_query_parameters = (string) $this->getSetting( 'skip_query_parameters', true ); |
| 1131 | if ( ! empty( $skip_query_parameters ) && ! empty( $parameters ) ) { |
| 1132 | |
| 1133 | $excluded_parameters = explode( ',', $skip_query_parameters ); |
| 1134 | |
| 1135 | if ( is_array( $excluded_parameters ) ) { |
| 1136 | |
| 1137 | foreach( $excluded_parameters as $param ) { |
| 1138 | $param = trim($param); |
| 1139 | |
| 1140 | if ( isset( $parameters[ $param ] ) ) { |
| 1141 | $return = true; |
| 1142 | break; |
| 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | } |
| 1147 | |
| 1148 | } |
| 1149 | |
| 1150 | return apply_filters( 'eeb/validate/is_query_parameter_excluded', $return, $parameters ); |
| 1151 | } |
| 1152 | } |
| 1153 |