diff options
| -rw-r--r-- | app/javascript/mastodon/components/status_content.js | 90 | ||||
| -rw-r--r-- | app/javascript/mastodon/features/status/components/card.js | 11 | ||||
| -rw-r--r-- | app/javascript/mastodon/utils/idna.js | 10 |
3 files changed, 10 insertions, 101 deletions
diff --git a/app/javascript/mastodon/components/status_content.js b/app/javascript/mastodon/components/status_content.js index e717934fa..549de95fc 100644 --- a/app/javascript/mastodon/components/status_content.js +++ b/app/javascript/mastodon/components/status_content.js @@ -8,71 +8,9 @@ import classnames from 'classnames'; import PollContainer from 'mastodon/containers/poll_container'; import Icon from 'mastodon/components/icon'; import { autoPlayGif } from 'mastodon/initial_state'; -import { decode as decodeIDNA } from 'mastodon/utils/idna'; const MAX_HEIGHT = 642; // 20px * 32 (+ 2px padding at the top) -// Regex matching what "looks like a link", that is, something that starts with -// an optional "http://" or "https://" scheme and then what could look like a -// domain main, that is, at least two sequences of characters not including spaces -// and separated by "." or an homoglyph. The idea is not to match valid URLs or -// domain names, but what could be confused for a valid URL or domain name, -// especially to the untrained eye. - -const h_confusables = 'h\u13c2\u1d58d\u1d4f1\u1d691\u0068\uff48\u1d525\u210e\u1d489\u1d629\u0570\u1d4bd\u1d65d\u1d421\u1d5c1\u1d5f5\u04bb\u1d559'; -const t_confusables = 't\u1d42d\u1d5cd\u1d531\u1d565\u1d4c9\u1d669\u1d4fd\u1d69d\u0074\u1d461\u1d601\u1d495\u1d635\u1d599'; -const p_confusables = 'p\u0440\u03c1\u1d52d\u1d631\u1d665\u1d429\uff50\u1d6e0\u1d45d\u1d561\u1d595\u1d71a\u1d699\u1d78e\u2ca3\u1d754\u1d6d2\u1d491\u1d7c8\u1d746\u1d4c5\u1d70c\u1d5c9\u0070\u1d780\u03f1\u1d5fd\u2374\u1d7ba\u1d4f9'; -const s_confusables = 's\u1d530\u118c1\u1d494\u1d634\u1d4c8\u1d668\uabaa\u1d42c\u1d5cc\u1d460\u1d600\ua731\u0073\uff53\u1d564\u0455\u1d598\u1d4fc\u1d69c\u10448\u01bd'; -const column_confusables = ':\u0903\u0a83\u0703\u1803\u05c3\u0704\u0589\u1809\ua789\u16ec\ufe30\u02d0\u2236\u02f8\u003a\uff1a\u205a\ua4fd'; -const slash_confusables = '/\u2041\u2f03\u2044\u2cc6\u27cb\u30ce\u002f\u2571\u31d3\u3033\u1735\u2215\u29f8\u1d23a\u4e3f'; -const dot_confusables = '.\u002e\u0660\u06f0\u0701\u0702\u2024\ua4f8\ua60e\u10a50\u1d16d'; - -const linkRegex = new RegExp(`^\\s*(([${h_confusables}][${t_confusables}][${t_confusables}][${p_confusables}][${s_confusables}]?[${column_confusables}][${slash_confusables}][${slash_confusables}]))?[^:/\\n ]+([${dot_confusables}][^:/\\n ]+)+`); - -const isLinkMisleading = (link) => { - let linkTextParts = []; - - // Reconstruct visible text, as we do not have much control over how links - // from remote software look, and we can't rely on `innerText` because the - // `invisible` class does not set `display` to `none`. - - const walk = (node) => { - switch (node.nodeType) { - case Node.TEXT_NODE: - linkTextParts.push(node.textContent); - break; - case Node.ELEMENT_NODE: - if (node.classList.contains('invisible')) return; - const children = node.childNodes; - for (let i = 0; i < children.length; i++) { - walk(children[i]); - } - break; - } - }; - - walk(link); - - const linkText = linkTextParts.join(''); - const targetURL = new URL(link.href); - - // The following may not work with international domain names - if (linkText === targetURL.origin || linkText === targetURL.host || 'www.' + linkText === targetURL.host || linkText.startsWith(targetURL.origin + '/') || linkText.startsWith(targetURL.host + '/')) { - return false; - } - - // The link hasn't been recognized, maybe it features an international domain name - const hostname = decodeIDNA(targetURL.hostname); - const host = targetURL.host.replace(targetURL.hostname, hostname); - const origin = targetURL.origin.replace(targetURL.host, host); - if (linkText === origin || linkText === host || linkText.startsWith(origin + '/') || linkText.startsWith(host + '/')) { - return false; - } - - // If the link text looks like an URL or auto-generated link, it is misleading - return linkRegex.test(linkText); -}; - export default class StatusContent extends React.PureComponent { static contextTypes = { @@ -118,34 +56,6 @@ export default class StatusContent extends React.PureComponent { } else { link.setAttribute('title', link.href); link.classList.add('unhandled-link'); - - if (isLinkMisleading(link)) { - while (link.firstChild) { - link.removeChild(link.firstChild); - } - - const prefix = (link.href.match(/https?:\/\/(www\.)?/) || [''])[0]; - const text = link.href.substr(prefix.length, 30); - const suffix = link.href.substr(prefix.length + 30); - const cutoff = !!suffix; - - const prefixTag = document.createElement('span'); - prefixTag.classList.add('invisible'); - prefixTag.textContent = prefix; - link.appendChild(prefixTag); - - const textTag = document.createElement('span'); - if (cutoff) { - textTag.classList.add('ellipsis'); - } - textTag.textContent = text; - link.appendChild(textTag); - - const suffixTag = document.createElement('span'); - suffixTag.classList.add('invisible'); - suffixTag.textContent = suffix; - link.appendChild(suffixTag); - } } link.setAttribute('target', '_blank'); diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js index 012542843..0eff54411 100644 --- a/app/javascript/mastodon/features/status/components/card.js +++ b/app/javascript/mastodon/features/status/components/card.js @@ -2,9 +2,18 @@ import React from 'react'; import PropTypes from 'prop-types'; import Immutable from 'immutable'; import ImmutablePropTypes from 'react-immutable-proptypes'; +import punycode from 'punycode'; import classnames from 'classnames'; import Icon from 'mastodon/components/icon'; -import { decode as decodeIDNA } from 'mastodon/utils/idna'; + +const IDNA_PREFIX = 'xn--'; + +const decodeIDNA = domain => { + return domain + .split('.') + .map(part => part.indexOf(IDNA_PREFIX) === 0 ? punycode.decode(part.slice(IDNA_PREFIX.length)) : part) + .join('.'); +}; const getHostname = url => { const parser = document.createElement('a'); diff --git a/app/javascript/mastodon/utils/idna.js b/app/javascript/mastodon/utils/idna.js deleted file mode 100644 index efab5bacf..000000000 --- a/app/javascript/mastodon/utils/idna.js +++ /dev/null @@ -1,10 +0,0 @@ -import punycode from 'punycode'; - -const IDNA_PREFIX = 'xn--'; - -export const decode = domain => { - return domain - .split('.') - .map(part => part.indexOf(IDNA_PREFIX) === 0 ? punycode.decode(part.slice(IDNA_PREFIX.length)) : part) - .join('.'); -}; |