| 1 |
<?php |
| 2 |
|
| 3 |
namespace FluentCommunity\App\Services; |
| 4 |
|
| 5 |
use FluentCommunity\App\Functions\Utility; |
| 6 |
use FluentCommunity\App\Models\Space; |
| 7 |
use FluentCommunity\Framework\Support\Arr; |
| 8 |
|
| 9 |
class CustomSanitizer |
| 10 |
{ |
| 11 |
public static function sanitizeMenuLink($item) |
| 12 |
{ |
| 13 |
$validKeys = ['title', 'enabled', 'permalink', 'new_tab', 'link_classes', 'shape_svg', 'emoji', 'icon_image', 'is_custom', 'is_system', 'is_locked', 'is_unavailable', 'slug', 'privacy', 'membership_ids']; |
| 14 |
$item = array_filter(Arr::only($item, $validKeys)); |
| 15 |
|
| 16 |
$yesNoItems = ['enabled', 'is_custom', 'is_system', 'is_locked', 'is_unavailable']; |
| 17 |
foreach ($yesNoItems as $key) { |
| 18 |
if (isset($item[$key])) { |
| 19 |
$item[$key] = $item[$key] === 'yes' ? 'yes' : 'no'; |
| 20 |
} |
| 21 |
} |
| 22 |
|
| 23 |
$textTypes = ['title', 'new_tab', 'link_classes', 'slug', 'privacy']; |
| 24 |
foreach ($textTypes as $key) { |
| 25 |
if (isset($item[$key])) { |
| 26 |
$item[$key] = sanitize_text_field($item[$key]); |
| 27 |
} |
| 28 |
} |
| 29 |
|
| 30 |
$item['permalink'] = sanitize_url(Arr::get($item, 'permalink', '')); |
| 31 |
|
| 32 |
if (!empty($item['shape_svg'])) { |
| 33 |
$item['shape_svg'] = self::sanitizeSvg($item['shape_svg']); |
| 34 |
} |
| 35 |
|
| 36 |
if (!empty($item['emoji'])) { |
| 37 |
$item['emoji'] = self::sanitizeEmoji($item['emoji']); |
| 38 |
} |
| 39 |
|
| 40 |
if (!empty($item['icon_image'])) { |
| 41 |
$media = Helper::getMediaFromUrl($item['icon_image']); |
| 42 |
if ($media) { |
| 43 |
$item['icon_image'] = $media->public_url; |
| 44 |
$media->update([ |
| 45 |
'is_active' => true, |
| 46 |
'user_id' => get_current_user_id(), |
| 47 |
'object_source' => 'general' |
| 48 |
]); |
| 49 |
} else { |
| 50 |
$item['icon_image'] = sanitize_url($item['icon_image']); |
| 51 |
} |
| 52 |
} |
| 53 |
|
| 54 |
if (Arr::get($item, 'privacy') == 'members_only') { |
| 55 |
$item['membership_ids'] = array_map('sanitize_text_field', (array)Arr::get($item, 'membership_ids', [])); |
| 56 |
} |
| 57 |
|
| 58 |
return $item; |
| 59 |
} |
| 60 |
|
| 61 |
public static function sanitizeSvg($svg_content) |
| 62 |
{ |
| 63 |
if (!$svg_content) { |
| 64 |
return ''; |
| 65 |
} |
| 66 |
|
| 67 |
if (current_user_can('unfiltered_html')) { |
| 68 |
return $svg_content; |
| 69 |
} |
| 70 |
|
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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 |
| 75 |
$svg_content = preg_replace('/<\?xml(.|\s)*?\?>/', '', $svg_content); |
| 76 |
$svg_content = preg_replace('/<!DOCTYPE(.|\s)*?>/i', '', $svg_content); |
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|
| 78 |
// Remove embedded scripts, iframes, or event handlers |
| 79 |
$svg_content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $svg_content); |
| 80 |
$svg_content = preg_replace('/<iframe\b[^>]*>(.*?)<\/iframe>/is', '', $svg_content); |
| 81 |
$svg_content = preg_replace('/on\w+="[^"]*"/i', '', $svg_content); |
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|
| 83 |
$allowed_tags = [ |
| 84 |
'svg' => ['width' => true, 'height' => true, 'viewBox' => true, 'version' => true, 'xmlns' => true, 'xmlns:xlink' => true, 'xml:space' => true, 'preserveAspectRatio' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'color' => true], |
| 85 |
'g' => ['fill' => true, 'fill-rule' => true, 'stroke' => true, 'stroke-width' => true, 'clip-path' => true, 'transform' => true], |
| 86 |
'path' => ['d' => true, 'opacity' => true, 'stroke-linecap' => true, 'fill' => true, 'fill-rule' => true, 'stroke' => true, 'stroke-width' => 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], |
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'circle' => ['cx' => true, 'cy' => true, 'r' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
| 89 |
'ellipse' => ['cx' => true, 'cy' => true, 'rx' => true, 'ry' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'transform' => true], |
| 90 |
'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], |
| 98 |
'linearGradient' => ['id' => true, 'x1' => true, 'y1' => true, 'x2' => true, 'y2' => true, 'gradientUnits' => true, 'gradientTransform' => true], |
| 99 |
'radialGradient' => ['id' => true, 'cx' => true, 'cy' => true, 'r' => true, 'fx' => true, 'fy' => true, 'gradientUnits' => true, 'gradientTransform' => true], |
| 100 |
'mask' => ['id' => true, 'maskUnits' => true, 'maskContentUnits' => true, 'x' => true, 'y' => true, 'width' => true, 'height' => true], |
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'use' => ['x' => true, 'y' => true, 'width' => true, 'height' => true], |
| 102 |
'title' => [], |
| 103 |
'desc' => [], |
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]; |
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|
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// Browsers accept bare "&" and HTML named entities in inline SVG, but strict XML parsing rejects them |
| 107 |
$svg_content = preg_replace('/&(?!#?[a-zA-Z0-9]+;)/', '&', $svg_content); |
| 108 |
$svg_content = preg_replace_callback('/&([a-zA-Z][a-zA-Z0-9]*);/', function ($matches) { |
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$decoded = html_entity_decode($matches[0], ENT_QUOTES | ENT_HTML5, 'UTF-8'); |
| 110 |
|
| 111 |
if ($decoded === $matches[0]) { |
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return ''; |
| 113 |
} |
| 114 |
|
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return htmlspecialchars($decoded, ENT_QUOTES | ENT_XML1, 'UTF-8'); |
| 116 |
}, $svg_content); |
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|
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// Load the SVG string into a DOMDocument and discard errors for malformed XML |
| 119 |
$dom = new \DOMDocument(); |
| 120 |
libxml_use_internal_errors(true); |
| 121 |
$loaded = $dom->loadXML($svg_content); |
| 122 |
libxml_clear_errors(); |
| 123 |
|
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if (!$loaded || !$dom->documentElement) { |
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return ''; |
| 126 |
} |
| 127 |
|
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// Sanitize by removing unwanted tags and attributes |
| 129 |
self::sanitizeNode($dom->documentElement, $allowed_tags); |
| 130 |
|
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return $dom->saveXML($dom->documentElement); |
| 132 |
} |
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|
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private static function sanitizeNode(\DOMNode $node, array $allowed_tags) |
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{ |
| 136 |
if ($node->nodeType === XML_ELEMENT_NODE) { |
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/** @var \DOMElement $node */ |
| 138 |
if (!isset($allowed_tags[$node->nodeName])) { |
| 139 |
$node->parentNode->removeChild($node); |
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return; |
| 141 |
} |
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|
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// Check attributes |
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$attributes = $node->attributes; |
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$length = $attributes->length; |
| 146 |
for ($i = $length - 1; $i >= 0; $i--) { |
| 147 |
$attr = $attributes->item($i); |
| 148 |
$attr_name = $attr->nodeName; |
| 149 |
if (!isset($allowed_tags[$node->nodeName][$attr_name])) { |
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$node->removeAttribute($attr_name); |
| 151 |
} else { |
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// Sanitize attribute values |
| 153 |
// FILTER_SANITIZE_STRING is deprecated in PHP 8.1 |
| 154 |
$sanitized_value = htmlspecialchars($attr->nodeValue, ENT_QUOTES, 'UTF-8'); |
| 155 |
$node->setAttribute($attr_name, $sanitized_value); |
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} |
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} |
| 158 |
} |
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|
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// Recursively sanitize child nodes |
| 161 |
for ($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($emoji); |
| 170 |
|
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if (!$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($emoji, 0, 4, 'UTF-8'); |
| 177 |
} |
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|
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$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{1F1E0}-\x{1F1FF}\x{2600}-\x{26FF}\x{2700}-\x{27BF}\x{2B50}\x{2B55}\x{2934}\x{2935}\x{3297}\x{3299}\x{20E3}\x{23E9}-\x{23FA}\x{25B6}\x{25C0}\x{FE0F}]/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, $views = ['login', 'logout']) |
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{ |
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$views = array_intersect($views, ['login', 'logout', 'enrolled', 'not_enrolled']); |
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|
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$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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$sanitizedSettings = []; |
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foreach ($views as $type) { |
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$typeSettings = Arr::get($settings, $type, []); |
| 202 |
if (empty($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($ctaButtons); |
| 213 |
|
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$description = Arr::get($typeSettings, 'description'); |
| 215 |
if (!empty($description)) { |
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$description = wp_kses_post(self::unslashMarkdown(wp_unslash($description))); |
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} |
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$sanitizedSettings[$type]['description'] = $description; |
| 219 |
|
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foreach ($typeSettings as $key => $value) { |
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if (isset($rules[$key]) && !in_array($key, ['bannerVideo', 'bannerImage', 'ctaButtons', 'description'])) { |
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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 $sanitizedSettings; |
| 228 |
} |
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|
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private static function sanitizeBannerVideo($video) |
| 231 |
{ |
| 232 |
if (empty($video)) { |
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return []; |
| 234 |
} |
| 235 |
|
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return array_filter([ |
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'type' => sanitize_text_field(Arr::get($video, 'type', '')), |
| 238 |
'url' => sanitize_url(Arr::get($video, 'url', '')), |
| 239 |
'content_type' => sanitize_text_field(Arr::get($video, 'content_type', '')), |
| 240 |
'provider' => sanitize_text_field(Arr::get($video, 'provider', '')), |
| 241 |
'title' => sanitize_text_field(Arr::get($video, 'title', '')), |
| 242 |
'author_name' => sanitize_text_field(Arr::get($video, 'author_name', '')), |
| 243 |
'html' => self::sanitizeRichText(Arr::get($video, 'html', '')), |
| 244 |
'image' => sanitize_url(Arr::get($video, 'image', '')), |
| 245 |
]); |
| 246 |
} |
| 247 |
|
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private static function sanitizeBannerImage($imageUrl) |
| 249 |
{ |
| 250 |
if (empty($imageUrl)) { |
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return ''; |
| 252 |
} |
| 253 |
|
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$media = Helper::getMediaFromUrl($imageUrl); |
| 255 |
if ($media) { |
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$media->update([ |
| 257 |
'is_active' => true, |
| 258 |
'user_id' => get_current_user_id(), |
| 259 |
'object_source' => 'general' |
| 260 |
]); |
| 261 |
return $media->public_url; |
| 262 |
} |
| 263 |
|
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return sanitize_url($imageUrl); |
| 265 |
} |
| 266 |
|
| 267 |
private static function sanitizeCtaButtons($ctaButtons) |
| 268 |
{ |
| 269 |
if (empty($ctaButtons)) { |
| 270 |
return []; |
| 271 |
} |
| 272 |
|
| 273 |
$sanitizerMap = [ |
| 274 |
'label' => 'sanitize_text_field', |
| 275 |
'link' => function ($url) { |
| 276 |
return esc_url_raw($url, ['http', 'https', 'mailto']); |
| 277 |
}, |
| 278 |
'type' => 'sanitize_text_field', |
| 279 |
'newTab' => 'sanitize_text_field' |
| 280 |
]; |
| 281 |
|
| 282 |
foreach ($ctaButtons as $btnKey => $btnValue) { |
| 283 |
foreach ($btnValue as $key => $value) { |
| 284 |
if (isset($sanitizerMap[$key])) { |
| 285 |
$ctaButtons[$btnKey][$key] = call_user_func($sanitizerMap[$key], $value); |
| 286 |
} |
| 287 |
} |
| 288 |
} |
| 289 |
|
| 290 |
return $ctaButtons; |
| 291 |
} |
| 292 |
|
| 293 |
public static function santizeLinkItem($item) |
| 294 |
{ |
| 295 |
$validKeys = ['title', 'enabled', 'new_tab', 'emoji', 'icon_image', 'shape_svg', 'title', 'permalink', 'slug', 'privacy', 'membership_ids']; |
| 296 |
$item = array_filter(Arr::only($item, $validKeys)); |
| 297 |
|
| 298 |
$yesNoItems = ['enabled', 'new_tab', 'is_locked', 'is_unavailable']; |
| 299 |
foreach ($yesNoItems as $key) { |
| 300 |
if (isset($item[$key])) { |
| 301 |
$item[$key] = $item[$key] === 'yes' ? 'yes' : 'no'; |
| 302 |
} |
| 303 |
} |
| 304 |
|
| 305 |
$item['emoji'] = self::sanitizeEmoji(Arr::get($item, 'emoji')); |
| 306 |
|
| 307 |
if (empty($item['slug'])) { |
| 308 |
$item['slug'] = sanitize_title(Arr::get($item, 'title', '')); |
| 309 |
} else { |
| 310 |
$item['slug'] = sanitize_title($item['slug']); |
| 311 |
} |
| 312 |
|
| 313 |
$textTypes = ['title']; |
| 314 |
foreach ($textTypes as $key) { |
| 315 |
if (isset($item[$key])) { |
| 316 |
$item[$key] = sanitize_text_field($item[$key]); |
| 317 |
} |
| 318 |
} |
| 319 |
$item['permalink'] = sanitize_url(Arr::get($item, 'permalink', '')); |
| 320 |
|
| 321 |
|
| 322 |
if (!empty($item['icon_image'])) { |
| 323 |
$media = Helper::getMediaFromUrl($item['icon_image']); |
| 324 |
if ($media) { |
| 325 |
$media->update([ |
| 326 |
'is_active' => true, |
| 327 |
'user_id' => get_current_user_id(), |
| 328 |
'object_source' => 'general' |
| 329 |
]); |
| 330 |
$item['icon_image'] = $media->public_url; |
| 331 |
} else { |
| 332 |
$item['icon_image'] = sanitize_text_field($item['icon_image']); |
| 333 |
} |
| 334 |
} |
| 335 |
|
| 336 |
if (!empty($item['icon_svg'])) { |
| 337 |
$item['icon_svg'] = self::sanitizeSvg($item['icon_svg']); |
| 338 |
} |
| 339 |
|
| 340 |
if (!empty($item['shape_svg'])) { |
| 341 |
$item['shape_svg'] = self::sanitizeSvg($item['shape_svg']); |
| 342 |
} |
| 343 |
|
| 344 |
if (Arr::get($item, 'privacy') == 'members_only') { |
| 345 |
$item['membership_ids'] = array_map('sanitize_text_field', (array)Arr::get($item, 'membership_ids', [])); |
| 346 |
} |
| 347 |
|
| 348 |
return array_filter($item); |
| 349 |
} |
| 350 |
|
| 351 |
/** |
| 352 |
* @param array $items |
| 353 |
* @return array |
| 354 |
*/ |
| 355 |
public static function sanitizeSpaceMenuItems($items) |
| 356 |
{ |
| 357 |
$sanitized = []; |
| 358 |
$seen = []; |
| 359 |
|
| 360 |
foreach ((array)$items as $item) { |
| 361 |
$menuItem = self::sanitizeSpaceMenuItem($item); |
| 362 |
|
| 363 |
if (!$menuItem || isset($seen[$menuItem['slug']])) { |
| 364 |
continue; |
| 365 |
} |
| 366 |
|
| 367 |
$seen[$menuItem['slug']] = true; |
| 368 |
$sanitized[] = $menuItem; |
| 369 |
} |
| 370 |
|
| 371 |
return $sanitized; |
| 372 |
} |
| 373 |
|
| 374 |
/** |
| 375 |
* One row of a space's primary menu. Returns null for a row that cannot be rendered — no |
| 376 |
* slug, a custom row with no label, or a destination that survived neither the protocol |
| 377 |
* allowlist nor the page lookup. |
| 378 |
* |
| 379 |
* @param array $item |
| 380 |
* @return array|null |
| 381 |
*/ |
| 382 |
public static function sanitizeSpaceMenuItem($item) |
| 383 |
{ |
| 384 |
// `parent` is accepted and stored but nothing renders it yet. It holds a sibling row's |
| 385 |
// slug for the one-level sub-menu, and keeping it on the write path now means that |
| 386 |
// feature is additive rather than a migration of everyone's stored menu. |
| 387 |
$validKeys = [ |
| 388 |
'slug', 'title', 'enabled', 'new_tab', 'emoji', 'icon_image', 'shape_svg', |
| 389 |
'permalink', 'page_slug', 'link_type', 'privacy', 'membership_ids', 'is_custom', 'parent', |
| 390 |
]; |
| 391 |
|
| 392 |
$item = Arr::only((array)$item, $validKeys); |
| 393 |
|
| 394 |
$isCustom = Arr::get($item, 'is_custom') === 'yes'; |
| 395 |
|
| 396 |
$slug = Utility::slugify(Arr::get($item, 'slug', '')); |
| 397 |
|
| 398 |
if ($isCustom) { |
| 399 |
// Force the prefix so a custom row's slug can never hijack a real tab's slug. |
| 400 |
if (strpos($slug, 'fcom_custom_') !== 0) { |
| 401 |
$slug = 'fcom_custom_' . ($slug ?: substr(md5(wp_generate_password(12, false)), 0, 10)); |
| 402 |
} |
| 403 |
} elseif (!$slug) { |
| 404 |
return null; |
| 405 |
} |
| 406 |
|
| 407 |
$sanitized = [ |
| 408 |
'slug' => $slug, |
| 409 |
'title' => sanitize_text_field(Arr::get($item, 'title', '')), |
| 410 |
'enabled' => Arr::get($item, 'enabled') === 'no' ? 'no' : 'yes', |
| 411 |
'is_custom' => $isCustom ? 'yes' : 'no', |
| 412 |
'parent' => sanitize_title(Arr::get($item, 'parent', '')), |
| 413 |
]; |
| 414 |
|
| 415 |
$emoji = self::sanitizeEmoji(Arr::get($item, 'emoji', '')); |
| 416 |
|
| 417 |
if ($emoji) { |
| 418 |
$sanitized['emoji'] = $emoji; |
| 419 |
} |
| 420 |
|
| 421 |
$shapeSvg = self::sanitizeSvg(Arr::get($item, 'shape_svg', '')); |
| 422 |
|
| 423 |
if ($shapeSvg) { |
| 424 |
$sanitized['shape_svg'] = $shapeSvg; |
| 425 |
} |
| 426 |
|
| 427 |
$iconImage = Arr::get($item, 'icon_image'); |
| 428 |
|
| 429 |
if ($iconImage) { |
| 430 |
$media = Helper::getMediaFromUrl($iconImage); |
| 431 |
|
| 432 |
if ($media) { |
| 433 |
$media->update([ |
| 434 |
'is_active' => true, |
| 435 |
'user_id' => get_current_user_id(), |
| 436 |
'object_source' => 'general', |
| 437 |
]); |
| 438 |
$sanitized['icon_image'] = $media->public_url; |
| 439 |
} else { |
| 440 |
$sanitized['icon_image'] = sanitize_url($iconImage); |
| 441 |
} |
| 442 |
} |
| 443 |
|
| 444 |
$privacy = Arr::get($item, 'privacy'); |
| 445 |
|
| 446 |
if (!in_array($privacy, ['public', 'logged_in', 'logged_out_only', 'members_only'], true)) { |
| 447 |
$privacy = 'public'; |
| 448 |
} |
| 449 |
|
| 450 |
$sanitized['privacy'] = $privacy; |
| 451 |
|
| 452 |
if ($privacy === 'members_only') { |
| 453 |
$membershipIds = array_map('intval', (array)Arr::get($item, 'membership_ids', [])); |
| 454 |
$sanitized['membership_ids'] = array_values(array_filter($membershipIds)); |
| 455 |
} |
| 456 |
|
| 457 |
if (!$isCustom) { |
| 458 |
return $sanitized; |
| 459 |
} |
| 460 |
|
| 461 |
if (!$sanitized['title']) { |
| 462 |
return null; |
| 463 |
} |
| 464 |
|
| 465 |
$linkType = Arr::get($item, 'link_type') === 'space_page' ? 'space_page' : 'url'; |
| 466 |
$sanitized['link_type'] = $linkType; |
| 467 |
|
| 468 |
if ($linkType === 'space_page') { |
| 469 |
$pageSlug = sanitize_title(Arr::get($item, 'page_slug', '')); |
| 470 |
|
| 471 |
if (!$pageSlug) { |
| 472 |
return null; |
| 473 |
} |
| 474 |
|
| 475 |
$sanitized['page_slug'] = $pageSlug; |
| 476 |
$sanitized['new_tab'] = 'no'; |
| 477 |
|
| 478 |
return $sanitized; |
| 479 |
} |
| 480 |
|
| 481 |
// sanitize_url drops everything outside WordPress's protocol allowlist, so a |
| 482 |
// javascript: destination comes back empty and the row is discarded. |
| 483 |
$permalink = sanitize_url(Arr::get($item, 'permalink', '')); |
| 484 |
|
| 485 |
if (!$permalink) { |
| 486 |
return null; |
| 487 |
} |
| 488 |
|
| 489 |
$sanitized['permalink'] = $permalink; |
| 490 |
$sanitized['new_tab'] = Arr::get($item, 'new_tab') === 'yes' ? 'yes' : 'no'; |
| 491 |
|
| 492 |
return $sanitized; |
| 493 |
} |
| 494 |
|
| 495 |
public static function sanitizeRichText($content, $print = false) |
| 496 |
{ |
| 497 |
if ($print) { |
| 498 |
echo self::sanitizeHtml($content); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 499 |
} |
| 500 |
|
| 501 |
return self::sanitizeHtml($content); |
| 502 |
} |
| 503 |
|
| 504 |
public static function sanitizeHtml($html) |
| 505 |
{ |
| 506 |
if (current_user_can('unfiltered_html')) { |
| 507 |
return $html; |
| 508 |
} |
| 509 |
|
| 510 |
if (!$html) { |
| 511 |
return $html; |
| 512 |
} |
| 513 |
|
| 514 |
// Return $html if it's just a plain text |
| 515 |
if (!preg_match('/<[^>]*>/', $html)) { |
| 516 |
return $html; |
| 517 |
} |
| 518 |
|
| 519 |
$tags = wp_kses_allowed_html('post'); |
| 520 |
|
| 521 |
// No <style> element: kses filters style="" attributes but never the text content |
| 522 |
// of a <style> block, so allowing it would let any role that can author this markup |
| 523 |
// persist CSS (@import, attribute-selector data exfiltration, UI redress) against |
| 524 |
// every viewer. Embed/media HTML never needs a <style> element. |
| 525 |
|
| 526 |
// iframe. Note there is deliberately no 'srcdoc' here: a srcdoc iframe without a |
| 527 |
// sandbox attribute is same-origin with the portal, so allowing it would let any |
| 528 |
// role that can author embed markup run script against every viewer. Real embed |
| 529 |
// providers only ever use src. |
| 530 |
$tags['iframe'] = [ |
| 531 |
'width' => [], |
| 532 |
'height' => [], |
| 533 |
'src' => [], |
| 534 |
'title' => [], |
| 535 |
'frameborder' => [], |
| 536 |
'allow' => [], |
| 537 |
'class' => [], |
| 538 |
'id' => [], |
| 539 |
'allowfullscreen' => [], |
| 540 |
'referrerpolicy' => [], |
| 541 |
]; |
| 542 |
|
| 543 |
$tags = apply_filters('fluent_community/allowed_html_tags', $tags); |
| 544 |
|
| 545 |
return wp_kses($html, $tags); |
| 546 |
} |
| 547 |
|
| 548 |
public static function santizeEmailSettings($settings) |
| 549 |
{ |
| 550 |
$prevSettings = Utility::getEmailNotificationSettings(); |
| 551 |
$settings = Arr::only($settings, array_keys($prevSettings)); |
| 552 |
|
| 553 |
$yesNoFields = ['com_my_post_mail', 'reply_my_com_mail', 'mention_mail', 'digest_email_status', 'disable_powered_by']; |
| 554 |
$textFields = ['send_from_name', 'reply_to_name']; |
| 555 |
$emailFields = ['send_from_email', 'reply_to_email']; |
| 556 |
|
| 557 |
foreach ($yesNoFields as $field) { |
| 558 |
if (isset($settings[$field])) { |
| 559 |
$settings[$field] = $settings[$field] === 'yes' ? 'yes' : 'no'; |
| 560 |
} |
| 561 |
} |
| 562 |
|
| 563 |
foreach ($textFields as $field) { |
| 564 |
if (isset($settings[$field])) { |
| 565 |
$settings[$field] = sanitize_text_field($settings[$field]); |
| 566 |
} |
| 567 |
} |
| 568 |
|
| 569 |
foreach ($emailFields as $field) { |
| 570 |
if (isset($settings[$field])) { |
| 571 |
$settings[$field] = sanitize_email($settings[$field]); |
| 572 |
} |
| 573 |
} |
| 574 |
|
| 575 |
$time = Arr::get($settings, 'daily_digest_time'); |
| 576 |
|
| 577 |
if ($time) { |
| 578 |
$time = sanitize_text_field($time); |
| 579 |
|
| 580 |
// check time is valid or not |
| 581 |
if (!preg_match('/^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/', $time)) { |
| 582 |
$time = '09:00'; |
| 583 |
} |
| 584 |
} else { |
| 585 |
$time = '09:00'; |
| 586 |
} |
| 587 |
|
| 588 |
$emailDay = Arr::get($settings, 'digest_mail_day'); |
| 589 |
|
| 590 |
if ($emailDay) { |
| 591 |
$emailDay = sanitize_text_field($emailDay); |
| 592 |
if (!in_array($emailDay, ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'])) { |
| 593 |
$emailDay = 'tue'; |
| 594 |
} |
| 595 |
} else { |
| 596 |
$emailDay = 'tue'; |
| 597 |
} |
| 598 |
|
| 599 |
$settings['digest_mail_day'] = $emailDay; |
| 600 |
$settings['daily_digest_time'] = $time; |
| 601 |
$settings['email_footer'] = wp_kses_post(self::unslashMarkdown(Arr::get($settings, 'email_footer'))); |
| 602 |
$settings['email_footer_rendered'] = FeedsHelper::mdToHtml($settings['email_footer']); |
| 603 |
|
| 604 |
if (!empty($settings['logo'])) { |
| 605 |
$settings['logo'] = sanitize_url($settings['logo']); |
| 606 |
} |
| 607 |
|
| 608 |
return $settings; |
| 609 |
} |
| 610 |
|
| 611 |
public static function sanitizeUserName($username) |
| 612 |
{ |
| 613 |
$username = strtolower($username); |
| 614 |
// check of @ symbol |
| 615 |
if (strpos($username, '@') !== false) { |
| 616 |
$username = explode('@', $username)[0]; |
| 617 |
} |
| 618 |
|
| 619 |
$username = sanitize_user($username); |
| 620 |
$username = preg_replace('/[^a-zA-Z0-9_]/', '', $username); |
| 621 |
return $username; |
| 622 |
} |
| 623 |
|
| 624 |
public static function unslashMarkdown($markdown) |
| 625 |
{ |
| 626 |
$replaceMaps = [ |
| 627 |
"\\\n" => PHP_EOL, |
| 628 |
'\@' => '@', |
| 629 |
'\\_' => '_', |
| 630 |
'\\&' => '&', |
| 631 |
'\\*' => '*', |
| 632 |
'\\~' => '~', |
| 633 |
'\\:' => ':', |
| 634 |
'\\.' => '.' |
| 635 |
]; |
| 636 |
|
| 637 |
return str_replace(array_keys($replaceMaps), array_values($replaceMaps), $markdown); |
| 638 |
} |
| 639 |
|
| 640 |
public static function santizeSpaceSettings($settings = [], $privacy = 'public') |
| 641 |
{ |
| 642 |
$yesNotFields = [ |
| 643 |
'restricted_post_only', |
| 644 |
'verified_post_only', |
| 645 |
'can_request_join', |
| 646 |
'show_paywalls', |
| 647 |
'show_sidebar', |
| 648 |
'hide_members_count', |
| 649 |
'document_library', |
| 650 |
'media_gallery', |
| 651 |
'disable_post_sort_by', |
| 652 |
'disable_layout_style' |
| 653 |
]; |
| 654 |
|
| 655 |
$settings = Arr::only($settings, array_keys((new Space())->defaultSettings())); |
| 656 |
|
| 657 |
foreach ($yesNotFields as $field) { |
| 658 |
$settings[$field] = Arr::get($settings, $field) === 'yes' ? 'yes' : 'no'; |
| 659 |
} |
| 660 |
|
| 661 |
$settings['shape_svg'] = self::sanitizeSvg(Arr::get($settings, 'shape_svg', '')); |
| 662 |
if (empty($settings['shape_svg'])) { |
| 663 |
$settings['emoji'] = self::sanitizeEmoji(Arr::get($settings, 'emoji', '')); |
| 664 |
} else { |
| 665 |
$settings['emoji'] = ''; |
| 666 |
} |
| 667 |
|
| 668 |
$lockScreenType = Arr::get($settings, 'custom_lock_screen'); |
| 669 |
if (!in_array($lockScreenType, ['yes', 'no', 'redirect']) || $privacy !== 'private') { |
| 670 |
$lockScreenType = 'no'; |
| 671 |
} |
| 672 |
$settings['custom_lock_screen'] = $lockScreenType; |
| 673 |
|
| 674 |
|
| 675 |
if ($lockScreenType === 'redirect') { |
| 676 |
$redirectUrl = Arr::get($settings, 'onboard_redirect_url'); |
| 677 |
if (!$redirectUrl || !filter_var($redirectUrl, FILTER_VALIDATE_URL)) { |
| 678 |
return new \WP_Error('invalid_redirect_url', __('Invalid redirect URL.', 'fluent-community')); |
| 679 |
} |
| 680 |
$settings['onboard_redirect_url'] = sanitize_url($redirectUrl); |
| 681 |
} |
| 682 |
|
| 683 |
$validOrderOptions = array_keys(Helper::getPostOrderOptions()); |
| 684 |
$defaultOrder = Arr::get($settings, 'default_post_sort_by', ''); |
| 685 |
$settings['default_post_sort_by'] = in_array($defaultOrder, $validOrderOptions) ? $defaultOrder : ''; |
| 686 |
|
| 687 |
$validCommentOrderOptions = array_keys(Helper::getCommentOrderOptions()); |
| 688 |
$defaultCommentOrder = Arr::get($settings, 'default_comment_sort_by', ''); |
| 689 |
$settings['default_comment_sort_by'] = in_array($defaultCommentOrder, $validCommentOrderOptions) ? $defaultCommentOrder : ''; |
| 690 |
|
| 691 |
$accessOptions = ['members_only', 'logged_in', 'everybody']; |
| 692 |
$mediaAccess = Arr::get($settings, 'media_access'); |
| 693 |
$settings['media_access'] = in_array($mediaAccess, $accessOptions, true) ? $mediaAccess : 'members_only'; |
| 694 |
|
| 695 |
$documentAccess = Arr::get($settings, 'document_access'); |
| 696 |
$settings['document_access'] = in_array($documentAccess, $accessOptions, true) ? $documentAccess : 'members_only'; |
| 697 |
|
| 698 |
$documentUploadOptions = ['admin_only', 'members_only']; |
| 699 |
$documentUpload = Arr::get($settings, 'document_upload'); |
| 700 |
$settings['document_upload'] = in_array($documentUpload, $documentUploadOptions, true) ? $documentUpload : 'admin_only'; |
| 701 |
|
| 702 |
return $settings; |
| 703 |
} |
| 704 |
|
| 705 |
public static function santizeEditorBody($body) |
| 706 |
{ |
| 707 |
if (current_user_can('unfiltered_html')) { |
| 708 |
return $body; |
| 709 |
} |
| 710 |
|
| 711 |
return wp_kses_post($body); |
| 712 |
} |
| 713 |
} |
| 714 |
|
