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authorMario <mario@mariovavti.com>2023-06-02 16:36:57 +0000
committerMario <mario@mariovavti.com>2023-06-02 16:36:57 +0000
commitbd84ff483887c55c6ede4ba94e1a9175e34090b8 (patch)
tree799929705f903f4ba4111ca37d5028180371b621 /vendor/twbs/bootstrap/js/src/util
parent87689df062f09adf104ff996b7bc942ba508a2b4 (diff)
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update bootstrap to version 5.3
Diffstat (limited to 'vendor/twbs/bootstrap/js/src/util')
-rw-r--r--vendor/twbs/bootstrap/js/src/util/sanitizer.js78
1 files changed, 36 insertions, 42 deletions
diff --git a/vendor/twbs/bootstrap/js/src/util/sanitizer.js b/vendor/twbs/bootstrap/js/src/util/sanitizer.js
index 5a07a67c1..d2b08082c 100644
--- a/vendor/twbs/bootstrap/js/src/util/sanitizer.js
+++ b/vendor/twbs/bootstrap/js/src/util/sanitizer.js
@@ -5,47 +5,6 @@
* --------------------------------------------------------------------------
*/
-const uriAttributes = new Set([
- 'background',
- 'cite',
- 'href',
- 'itemtype',
- 'longdesc',
- 'poster',
- 'src',
- 'xlink:href'
-])
-
-/**
- * A pattern that recognizes a commonly useful subset of URLs that are safe.
- *
- * Shout-out to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
- */
-const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i
-
-/**
- * A pattern that matches safe data URLs. Only matches image, video and audio types.
- *
- * Shout-out to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
- */
-const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i
-
-const allowedAttribute = (attribute, allowedAttributeList) => {
- const attributeName = attribute.nodeName.toLowerCase()
-
- if (allowedAttributeList.includes(attributeName)) {
- if (uriAttributes.has(attributeName)) {
- return Boolean(SAFE_URL_PATTERN.test(attribute.nodeValue) || DATA_URL_PATTERN.test(attribute.nodeValue))
- }
-
- return true
- }
-
- // Check if a regular expression validates the attribute.
- return allowedAttributeList.filter(attributeRegex => attributeRegex instanceof RegExp)
- .some(regex => regex.test(attributeName))
-}
-
// js-docs-start allow-list
const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
@@ -84,6 +43,42 @@ export const DefaultAllowlist = {
}
// js-docs-end allow-list
+const uriAttributes = new Set([
+ 'background',
+ 'cite',
+ 'href',
+ 'itemtype',
+ 'longdesc',
+ 'poster',
+ 'src',
+ 'xlink:href'
+])
+
+/**
+ * A pattern that recognizes URLs that are safe wrt. XSS in URL navigation
+ * contexts.
+ *
+ * Shout-out to Angular https://github.com/angular/angular/blob/15.2.8/packages/core/src/sanitization/url_sanitizer.ts#L38
+ */
+// eslint-disable-next-line unicorn/better-regex
+const SAFE_URL_PATTERN = /^(?!javascript:)(?:[a-z0-9+.-]+:|[^&:/?#]*(?:[/?#]|$))/i
+
+const allowedAttribute = (attribute, allowedAttributeList) => {
+ const attributeName = attribute.nodeName.toLowerCase()
+
+ if (allowedAttributeList.includes(attributeName)) {
+ if (uriAttributes.has(attributeName)) {
+ return Boolean(SAFE_URL_PATTERN.test(attribute.nodeValue))
+ }
+
+ return true
+ }
+
+ // Check if a regular expression validates the attribute.
+ return allowedAttributeList.filter(attributeRegex => attributeRegex instanceof RegExp)
+ .some(regex => regex.test(attributeName))
+}
+
export function sanitizeHtml(unsafeHtml, allowList, sanitizeFunction) {
if (!unsafeHtml.length) {
return unsafeHtml
@@ -102,7 +97,6 @@ export function sanitizeHtml(unsafeHtml, allowList, sanitizeFunction) {
if (!Object.keys(allowList).includes(elementName)) {
element.remove()
-
continue
}