| 1 |
<?php |
| 2 |
|
| 3 |
namespace FluentCommunity\App\Services; |
| 4 |
|
| 5 |
use FluentCommunity\App\Functions\Utility; |
| 6 |
use FluentCommunity\Framework\Support\Arr; |
| 7 |
|
| 8 |
class CustomSanitizer |
| 9 |
{ |
| 10 |
public static function sanitizeMenuLink($item) |
| 11 |
{ |
| 12 |
$validKeys = ['title', 'enabled', 'permalink', 'new_tab', 'link_classes', 'shape_svg', 'emoji', 'icon_image', 'is_custom', 'is_system', 'is_locked', 'is_unavailable', 'slug']; |
| 13 |
$item = array_filter(Arr::only($item, $validKeys)); |
| 14 |
|
| 15 |
$yesNoItems = ['enabled', 'is_custom', 'is_system', 'is_locked', 'is_unavailable']; |
| 16 |
foreach ($yesNoItems as $key) { |
| 17 |
if (isset($item[$key])) { |
| 18 |
$item[$key] = $item[$key] === 'yes' ? 'yes' : 'no'; |
| 19 |
} |
| 20 |
} |
| 21 |
|
| 22 |
$textTypes = ['title', 'new_tab', 'link_classes', 'slug']; |
| 23 |
foreach ($textTypes as $key) { |
| 24 |
if (isset($item[$key])) { |
| 25 |
$item[$key] = sanitize_text_field($item[$key]); |
| 26 |
} |
| 27 |
} |
| 28 |
$item['permalink'] = sanitize_url($item['permalink']); |
| 29 |
|
| 30 |
if (Arr::get($item, 'is_system') !== 'yes') { |
| 31 |
if (!empty($item['shape_svg'])) { |
| 32 |
$item['shape_svg'] = self::sanitizeSvg($item['shape_svg']); |
| 33 |
} |
| 34 |
|
| 35 |
if (!empty($item['emoji'])) { |
| 36 |
$item['emoji'] = self::sanitizeEmoji($item['emoji']); |
| 37 |
} |
| 38 |
|
| 39 |
if (!empty($item['icon_image'])) { |
| 40 |
$media = Helper::getMediaFromUrl($item['icon_image']); |
| 41 |
if ($media) { |
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$item['icon_image'] = $media->public_url; |
| 43 |
$media->update([ |
| 44 |
'is_active' => true, |
| 45 |
'user_id' => get_current_user_id(), |
| 46 |
'object_source' => 'general' |
| 47 |
]); |
| 48 |
} else { |
| 49 |
$item['icon_image'] = sanitize_url($item['icon_image']); |
| 50 |
} |
| 51 |
} |
| 52 |
} else { |
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$item['shape_svg'] = ''; |
| 54 |
$item['emoji'] = ''; |
| 55 |
$item['icon_image'] = ''; |
| 56 |
} |
| 57 |
|
| 58 |
return $item; |
| 59 |
} |
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|
| 61 |
public static function sanitizeSvg($svg_content) |
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{ |
| 63 |
if (!$svg_content) { |
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return ''; |
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} |
| 66 |
|
| 67 |
if (current_user_can('unfiltered_html')) { |
| 68 |
return $svg_content; |
| 69 |
} |
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|
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// Remove any comments |
| 72 |
$svg_content = preg_replace('/<!--(.|\s)*?-->/', '', $svg_content); |
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|
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// Remove XML or DOCTYPE declarations |
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$svg_content = preg_replace('/<\?xml(.|\s)*?\?>/', '', $svg_content); |
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$svg_content = preg_replace('/<!DOCTYPE(.|\s)*?>/i', '', $svg_content); |
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|
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// Remove embedded scripts, iframes, or event handlers |
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$svg_content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $svg_content); |
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$svg_content = preg_replace('/<iframe\b[^>]*>(.*?)<\/iframe>/is', '', $svg_content); |
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$svg_content = preg_replace('/on\w+="[^"]*"/i', '', $svg_content); |
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|
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$allowed_tags = [ |
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'svg' => ['width' => true, 'height' => true, 'viewBox' => true, 'version' => true, 'xmlns' => true, 'xmlns:xlink' => true, 'xml:space' => true, 'style' => true, 'preserveAspectRatio' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'color' => true], |
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'g' => ['fill' => true, 'fill-rule' => true, 'stroke' => true, 'stroke-width' => true, 'clip-path' => true, 'transform' => true], |
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'path' => ['d' => true, 'opacity' => true, 'stroke-linecap' => true, 'fill' => true, 'fill-rule' => true, 'stroke' => true, 'stroke-width' => true, 'style' => true, 'transform' => true], |
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'rect' => ['width' => true, 'height' => true, 'x' => true, 'y' => true, 'rx' => true, 'ry' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true, 'style' => true], |
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'circle' => ['cx' => true, 'cy' => true, 'r' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
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'ellipse' => ['cx' => true, 'cy' => true, 'rx' => true, 'ry' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
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'line' => ['x1' => true, 'x2' => true, 'y1' => true, 'y2' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
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'polyline' => ['points' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
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'polygon' => ['points' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
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'text' => ['x' => true, 'y' => true, 'font-size' => true, 'font-family' => true, 'text-anchor' => true, 'fill' => true, 'transform' => true], |
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'tspan' => ['x' => true, 'y' => true, 'font-size' => true, 'font-family' => true, 'text-anchor' => true, 'fill' => true], |
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'defs' => [], |
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'clipPath' => ['id' => true, 'clipPathUnits' => true], |
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'stop' => ['offset' => true, 'stop-color' => true, 'stop-opacity' => true], |
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'linearGradient' => ['id' => true, 'x1' => true, 'y1' => true, 'x2' => true, 'y2' => true, 'gradientUnits' => true, 'gradientTransform' => true], |
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'radialGradient' => ['id' => true, 'cx' => true, 'cy' => true, 'r' => true, 'fx' => true, 'fy' => true, 'gradientUnits' => true, 'gradientTransform' => true], |
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'mask' => ['id' => true, 'maskUnits' => true, 'maskContentUnits' => true, 'x' => true, 'y' => true, 'width' => true, 'height' => true], |
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'use' => ['xlink:href' => true, 'x' => true, 'y' => true, 'width' => true, 'height' => true], |
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'title' => [], |
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'desc' => [], |
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]; |
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|
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// Load the SVG string into a DOMDocument and discard errors for malformed XML |
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$dom = new \DOMDocument(); |
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libxml_use_internal_errors(true); |
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$dom->loadXML($svg_content); |
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libxml_clear_errors(); |
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|
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// Sanitize by removing unwanted tags and attributes |
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self::sanitizeNode($dom->documentElement, $allowed_tags); |
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|
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return $dom->saveXML($dom->documentElement); |
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} |
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|
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private static function sanitizeNode(\DOMNode $node, array $allowed_tags) |
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{ |
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if ($node->nodeType === XML_ELEMENT_NODE) { |
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if (!isset($allowed_tags[$node->nodeName])) { |
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$node->parentNode->removeChild($node); |
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return; |
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} |
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|
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// Check attributes |
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$attributes = $node->attributes; |
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$length = $attributes->length; |
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for ($i = $length - 1; $i >= 0; $i--) { |
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$attr = $attributes->item($i); |
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$attr_name = $attr->nodeName; |
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if (!isset($allowed_tags[$node->nodeName][$attr_name])) { |
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$node->removeAttribute($attr_name); |
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} else { |
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// Sanitize attribute values |
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// FILTER_SANITIZE_STRING is deprecated in PHP 8.1 |
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$sanitized_value = htmlspecialchars($attr->nodeValue, ENT_QUOTES, 'UTF-8'); |
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$node->setAttribute($attr_name, $sanitized_value); |
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} |
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} |
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} |
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|
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// Recursively sanitize child nodes |
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for ($i = $node->childNodes->length - 1; $i >= 0; $i--) { |
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self::sanitizeNode($node->childNodes->item($i), $allowed_tags); |
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} |
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} |
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|
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public static function sanitizeEmoji($emoji, $single = true) |
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{ |
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$emoji = (string)$emoji; |
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$emoji = trim($emoji); |
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|
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if (!$emoji) { |
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return ''; |
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} |
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|
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if ($single && function_exists('\mb_substr')) { |
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$emoji = \mb_substr($emoji, 0, 1, 'UTF-8'); |
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} |
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|
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$isEmoji = preg_match('/[\x{1F600}-\x{1F64F}\x{1F300}-\x{1F5FF}\x{1F680}-\x{1F6FF}\x{1F700}-\x{1F77F}\x{1F780}-\x{1F7FF}\x{1F800}-\x{1F8FF}\x{1F900}-\x{1F9FF}\x{1FA00}-\x{1FA6F}\x{1FA70}-\x{1FAFF}\x{2600}-\x{26FF}\x{2700}-\x{27BF}\x{2B50}\x{2B55}\x{2934}\x{2935}\x{3297}\x{3299}]/u', $emoji); |
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|
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if ($isEmoji) { |
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return $emoji; |
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} |
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return ''; |
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} |
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|
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public static function sanitizeWelcomeBannerSettings($settings) |
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{ |
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$rules = [ |
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'title' => 'sanitize_text_field', |
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'description' => 'wp_kses_post', |
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'mediaType' => 'sanitize_text_field', |
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'allowClose' => 'sanitize_text_field', |
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'enabled' => 'sanitize_text_field', |
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]; |
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|
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$sanitizedSettings = []; |
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foreach (['login', 'logout'] as $type) { |
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$typeSettings = Arr::get($settings, $type, []); |
| 183 |
if (empty($typeSettings)) { |
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continue; |
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} |
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|
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$bannerVideo = Arr::get($typeSettings, 'bannerVideo', []); |
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$bannerImage = Arr::get($typeSettings, 'bannerImage', ''); |
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$ctaButtons = Arr::get($typeSettings, 'ctaButtons', []); |
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|
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$sanitizedSettings[$type]['bannerVideo'] = self::sanitizeBannerVideo($bannerVideo); |
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$sanitizedSettings[$type]['bannerImage'] = self::sanitizeBannerImage($bannerImage); |
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$sanitizedSettings[$type]['ctaButtons'] = self::sanitizeCtaButtons($ctaButtons); |
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$sanitizedSettings[$type]['description'] = self::unslashMarkdown(Arr::get($typeSettings, 'description')); |
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|
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foreach ($typeSettings as $key => $value) { |
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if (isset($rules[$key]) && !in_array($key, ['bannerVideo', 'bannerImage', 'ctaButtons'])) { |
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$sanitizedSettings[$type][$key] = call_user_func($rules[$key], $value); |
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} |
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} |
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} |
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|
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return $sanitizedSettings; |
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} |
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|
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private static function sanitizeBannerVideo($video) |
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{ |
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if (empty($video)) { |
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return []; |
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} |
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|
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return array_filter([ |
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'type' => sanitize_text_field(Arr::get($video, 'type', '')), |
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'url' => sanitize_url(Arr::get($video, 'url', '')), |
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'content_type' => sanitize_text_field(Arr::get($video, 'content_type', '')), |
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'provider' => sanitize_url(Arr::get($video, 'provider', '')), |
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'title' => sanitize_text_field(Arr::get($video, 'title', '')), |
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'author_name' => sanitize_text_field(Arr::get($video, 'author_name', '')), |
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'html' => self::sanitizeRichText(Arr::get($video, 'html', '')), |
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]); |
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} |
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|
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private static function sanitizeBannerImage($imageUrl) |
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{ |
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if (empty($imageUrl)) { |
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return ''; |
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} |
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|
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$media = Helper::getMediaFromUrl($imageUrl); |
| 230 |
if ($media) { |
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$media->update([ |
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'is_active' => true, |
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'user_id' => get_current_user_id(), |
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'object_source' => 'general' |
| 235 |
]); |
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return $media->public_url; |
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} |
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|
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return sanitize_url($imageUrl); |
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} |
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|
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private static function sanitizeCtaButtons($ctaButtons) |
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{ |
| 244 |
if (empty($ctaButtons)) { |
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return []; |
| 246 |
} |
| 247 |
|
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$sanitizerMap = [ |
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'label' => 'sanitize_text_field', |
| 250 |
'link' => 'sanitize_url', |
| 251 |
'type' => 'sanitize_text_field', |
| 252 |
'newTab' => 'sanitize_text_field' |
| 253 |
]; |
| 254 |
|
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foreach ($ctaButtons as $btnKey => $btnValue) { |
| 256 |
foreach ($btnValue as $key => $value) { |
| 257 |
if (isset($sanitizerMap[$key])) { |
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$ctaButtons[$btnKey][$key] = call_user_func($sanitizerMap[$key], $value); |
| 259 |
} |
| 260 |
} |
| 261 |
} |
| 262 |
|
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return $ctaButtons; |
| 264 |
} |
| 265 |
|
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public static function santizeLinkItem($item) |
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{ |
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$validKeys = ['title', 'enabled', 'new_tab', 'emoji', 'icon_image', 'shape_svg', 'title', 'permalink', 'slug']; |
| 269 |
$item = array_filter(Arr::only($item, $validKeys)); |
| 270 |
|
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$yesNoItems = ['enabled', 'new_tab', 'is_locked', 'is_unavailable']; |
| 272 |
foreach ($yesNoItems as $key) { |
| 273 |
if (isset($item[$key])) { |
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$item[$key] = $item[$key] === 'yes' ? 'yes' : 'no'; |
| 275 |
} |
| 276 |
} |
| 277 |
|
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$item['emoji'] = self::sanitizeEmoji(Arr::get($item, 'emoji')); |
| 279 |
|
| 280 |
if (empty($item['slug'])) { |
| 281 |
$item['slug'] = sanitize_title($item['title']); |
| 282 |
} else { |
| 283 |
$item['slug'] = sanitize_title($item['slug']); |
| 284 |
} |
| 285 |
|
| 286 |
$textTypes = ['title']; |
| 287 |
foreach ($textTypes as $key) { |
| 288 |
if (isset($item[$key])) { |
| 289 |
$item[$key] = sanitize_text_field($item[$key]); |
| 290 |
} |
| 291 |
} |
| 292 |
$item['permalink'] = sanitize_url($item['permalink']); |
| 293 |
|
| 294 |
|
| 295 |
if (!empty($item['icon_image'])) { |
| 296 |
$media = Helper::getMediaFromUrl($item['icon_image']); |
| 297 |
if ($media) { |
| 298 |
$media->update([ |
| 299 |
'is_active' => true, |
| 300 |
'user_id' => get_current_user_id(), |
| 301 |
'object_source' => 'general' |
| 302 |
]); |
| 303 |
$item['icon_image'] = $media->public_url; |
| 304 |
} else { |
| 305 |
$item['icon_image'] = sanitize_text_field($item['icon_image']); |
| 306 |
} |
| 307 |
} |
| 308 |
|
| 309 |
if (!empty($item['icon_svg'])) { |
| 310 |
$item['icon_svg'] = self::sanitizeSvg($item['icon_svg']); |
| 311 |
} |
| 312 |
|
| 313 |
return array_filter($item); |
| 314 |
} |
| 315 |
|
| 316 |
public static function sanitizeRichText($content, $print = false) |
| 317 |
{ |
| 318 |
if ($print) { |
| 319 |
echo self::sanitizeHtml($content); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 320 |
} |
| 321 |
|
| 322 |
return self::sanitizeHtml($content); |
| 323 |
} |
| 324 |
|
| 325 |
public static function sanitizeHtml($html) |
| 326 |
{ |
| 327 |
if (current_user_can('unfiltered_html')) { |
| 328 |
return $html; |
| 329 |
} |
| 330 |
|
| 331 |
if (!$html) { |
| 332 |
return $html; |
| 333 |
} |
| 334 |
|
| 335 |
// Return $html if it's just a plain text |
| 336 |
if (!preg_match('/<[^>]*>/', $html)) { |
| 337 |
return $html; |
| 338 |
} |
| 339 |
|
| 340 |
$tags = wp_kses_allowed_html('post'); |
| 341 |
$tags['style'] = [ |
| 342 |
'types' => [], |
| 343 |
]; |
| 344 |
|
| 345 |
// iframe |
| 346 |
$tags['iframe'] = [ |
| 347 |
'width' => [], |
| 348 |
'height' => [], |
| 349 |
'src' => [], |
| 350 |
'srcdoc' => [], |
| 351 |
'title' => [], |
| 352 |
'frameborder' => [], |
| 353 |
'allow' => [], |
| 354 |
'class' => [], |
| 355 |
'id' => [], |
| 356 |
'allowfullscreen' => [], |
| 357 |
'referrerpolicy' => [], |
| 358 |
'style' => [], |
| 359 |
]; |
| 360 |
|
| 361 |
$tags = apply_filters('fluent_community/allowed_html_tags', $tags); |
| 362 |
|
| 363 |
return wp_kses($html, $tags); |
| 364 |
} |
| 365 |
|
| 366 |
public static function santizeEmailSettings($settings) |
| 367 |
{ |
| 368 |
$prevSettings = Utility::getEmailNotificationSettings(); |
| 369 |
$settings = Arr::only($settings, array_keys($prevSettings)); |
| 370 |
|
| 371 |
$yesNoFields = ['com_my_post_mail', 'reply_my_com_mail', 'mention_mail', 'digest_email_status', 'disable_powered_by']; |
| 372 |
$textFields = ['send_from_name', 'reply_to_name']; |
| 373 |
$emailFields = ['send_from_email', 'reply_to_email']; |
| 374 |
|
| 375 |
|
| 376 |
foreach ($yesNoFields as $field) { |
| 377 |
if (isset($settings[$field])) { |
| 378 |
$settings[$field] = $settings[$field] === 'yes' ? 'yes' : 'no'; |
| 379 |
} |
| 380 |
} |
| 381 |
|
| 382 |
foreach ($textFields as $field) { |
| 383 |
if (isset($settings[$field])) { |
| 384 |
$settings[$field] = sanitize_text_field($settings[$field]); |
| 385 |
} |
| 386 |
} |
| 387 |
|
| 388 |
foreach ($emailFields as $field) { |
| 389 |
if (isset($settings[$field])) { |
| 390 |
$settings[$field] = sanitize_email($settings[$field]); |
| 391 |
} |
| 392 |
} |
| 393 |
|
| 394 |
$time = Arr::get($settings, 'daily_digest_time'); |
| 395 |
|
| 396 |
if ($time) { |
| 397 |
$time = sanitize_text_field($time); |
| 398 |
|
| 399 |
// check time is valid or not |
| 400 |
if (!preg_match('/^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/', $time)) { |
| 401 |
$time = '09:00'; |
| 402 |
} |
| 403 |
} else { |
| 404 |
$time = '09:00'; |
| 405 |
} |
| 406 |
|
| 407 |
$emailDay = Arr::get($settings, 'digest_mail_day'); |
| 408 |
|
| 409 |
if ($emailDay) { |
| 410 |
$emailDay = sanitize_text_field($emailDay); |
| 411 |
if (!in_array($emailDay, ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'])) { |
| 412 |
$emailDay = 'tue'; |
| 413 |
} |
| 414 |
} else { |
| 415 |
$emailDay = 'tue'; |
| 416 |
} |
| 417 |
|
| 418 |
$settings['digest_mail_day'] = $emailDay; |
| 419 |
$settings['daily_digest_time'] = $time; |
| 420 |
$settings['email_footer'] = wp_kses_post(self::unslashMarkdown(Arr::get($settings, 'email_footer'))); |
| 421 |
$settings['email_footer_rendered'] = FeedsHelper::mdToHtml($settings['email_footer']); |
| 422 |
|
| 423 |
return $settings; |
| 424 |
} |
| 425 |
|
| 426 |
public static function sanitizeUserName($username) |
| 427 |
{ |
| 428 |
$username = sanitize_user($username); |
| 429 |
$username = preg_replace('/[^a-zA-Z0-9_]/', '', $username); |
| 430 |
return $username; |
| 431 |
} |
| 432 |
|
| 433 |
public static function unslashMarkdown($markdown) |
| 434 |
{ |
| 435 |
return str_replace(["\\\n", '\@', '\\_', '\\&', '\\*', '\\~'], ["\n", '@', '_', '&', '*', '~'], $markdown); |
| 436 |
} |
| 437 |
} |
| 438 |
|
