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-rw-r--r--app/javascript/flavours/glitch/reducers/search.js3
-rw-r--r--app/javascript/mastodon/actions/compose.js8
-rw-r--r--app/javascript/mastodon/components/autosuggest_input.js10
-rw-r--r--app/javascript/mastodon/components/autosuggest_textarea.js10
-rw-r--r--app/javascript/mastodon/components/status_content.js90
-rw-r--r--app/javascript/mastodon/features/status/components/card.js11
-rw-r--r--app/javascript/mastodon/reducers/compose.js6
-rw-r--r--app/javascript/mastodon/reducers/search.js3
-rw-r--r--app/javascript/mastodon/utils/idna.js10
9 files changed, 122 insertions, 29 deletions
diff --git a/app/javascript/flavours/glitch/reducers/search.js b/app/javascript/flavours/glitch/reducers/search.js
index f4d99a99a..c346e958b 100644
--- a/app/javascript/flavours/glitch/reducers/search.js
+++ b/app/javascript/flavours/glitch/reducers/search.js
@@ -44,7 +44,8 @@ export default function search(state = initialState, action) {
       hashtags: fromJS(action.results.hashtags),
     })).set('submitted', true).set('searchTerm', action.searchTerm);
   case SEARCH_EXPAND_SUCCESS:
-    return state.updateIn(['results', action.searchType], list => list.concat(action.results[action.searchType].map(item => item.id)));
+    const results = action.searchType === 'hashtags' ? fromJS(action.results.hashtags) : action.results[action.searchType].map(item => item.id);
+    return state.updateIn(['results', action.searchType], list => list.concat(results));
   default:
     return state;
   }
diff --git a/app/javascript/mastodon/actions/compose.js b/app/javascript/mastodon/actions/compose.js
index cd9955505..c27c53df0 100644
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@@ -418,16 +418,16 @@ export function selectComposeSuggestion(position, token, suggestion, path) {
   return (dispatch, getState) => {
     let completion, startPosition;
 
-    if (typeof suggestion === 'object' && suggestion.id) {
+    if (suggestion.type === 'emoji') {
       completion    = suggestion.native || suggestion.colons;
       startPosition = position - 1;
 
       dispatch(useEmoji(suggestion));
-    } else if (typeof suggestion === 'object' && suggestion.name) {
+    } else if (suggestion.type === 'hashtag') {
       completion    = `#${suggestion.name}`;
       startPosition = position - 1;
-    } else {
-      completion    = getState().getIn(['accounts', suggestion, 'acct']);
+    } else if (suggestion.type === 'account') {
+      completion    = getState().getIn(['accounts', suggestion.id, 'acct']);
       startPosition = position;
     }
 
diff --git a/app/javascript/mastodon/components/autosuggest_input.js b/app/javascript/mastodon/components/autosuggest_input.js
index 0df8bf64e..6d2035add 100644
--- a/app/javascript/mastodon/components/autosuggest_input.js
+++ b/app/javascript/mastodon/components/autosuggest_input.js
@@ -168,15 +168,15 @@ export default class AutosuggestInput extends ImmutablePureComponent {
     const { selectedSuggestion } = this.state;
     let inner, key;
 
-    if (typeof suggestion === 'object' && suggestion.shortcode) {
+    if (suggestion.type === 'emoji') {
       inner = <AutosuggestEmoji emoji={suggestion} />;
       key   = suggestion.id;
-    } else if (typeof suggestion === 'object' && suggestion.name) {
+    } else if (suggestion.type ==='hashtag') {
       inner = <AutosuggestHashtag tag={suggestion} />;
       key   = suggestion.name;
-    } else {
-      inner = <AutosuggestAccountContainer id={suggestion} />;
-      key   = suggestion;
+    } else if (suggestion.type === 'account') {
+      inner = <AutosuggestAccountContainer id={suggestion.id} />;
+      key   = suggestion.id;
     }
 
     return (
diff --git a/app/javascript/mastodon/components/autosuggest_textarea.js b/app/javascript/mastodon/components/autosuggest_textarea.js
index 2bd06d28a..ac2a6366a 100644
--- a/app/javascript/mastodon/components/autosuggest_textarea.js
+++ b/app/javascript/mastodon/components/autosuggest_textarea.js
@@ -174,15 +174,15 @@ export default class AutosuggestTextarea extends ImmutablePureComponent {
     const { selectedSuggestion } = this.state;
     let inner, key;
 
-    if (typeof suggestion === 'object' && suggestion.shortcode) {
+    if (suggestion.type === 'emoji') {
       inner = <AutosuggestEmoji emoji={suggestion} />;
       key   = suggestion.id;
-    } else if (typeof suggestion === 'object' && suggestion.name) {
+    } else if (suggestion.type === 'hashtag') {
       inner = <AutosuggestHashtag tag={suggestion} />;
       key   = suggestion.name;
-    } else {
-      inner = <AutosuggestAccountContainer id={suggestion} />;
-      key   = suggestion;
+    } else if (suggestion.type === 'account') {
+      inner = <AutosuggestAccountContainer id={suggestion.id} />;
+      key   = suggestion.id;
     }
 
     return (
diff --git a/app/javascript/mastodon/components/status_content.js b/app/javascript/mastodon/components/status_content.js
index 549de95fc..e717934fa 100644
--- a/app/javascript/mastodon/components/status_content.js
+++ b/app/javascript/mastodon/components/status_content.js
@@ -8,9 +8,71 @@ 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 = {
@@ -56,6 +118,34 @@ 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 0eff54411..012542843 100644
--- a/app/javascript/mastodon/features/status/components/card.js
+++ b/app/javascript/mastodon/features/status/components/card.js
@@ -2,18 +2,9 @@ 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';
-
-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('.');
-};
+import { decode as decodeIDNA } from 'mastodon/utils/idna';
 
 const getHostname = url => {
   const parser = document.createElement('a');
diff --git a/app/javascript/mastodon/reducers/compose.js b/app/javascript/mastodon/reducers/compose.js
index fc6d5f30f..e683a9c1a 100644
--- a/app/javascript/mastodon/reducers/compose.js
+++ b/app/javascript/mastodon/reducers/compose.js
@@ -207,11 +207,11 @@ const expiresInFromExpiresAt = expires_at => {
 
 const normalizeSuggestions = (state, { accounts, emojis, tags }) => {
   if (accounts) {
-    return accounts.map(item => item.id);
+    return accounts.map(item => ({ id: item.id, type: 'account' }));
   } else if (emojis) {
-    return emojis;
+    return emojis.map(item => ({ ...item, type: 'emoji' }));
   } else {
-    return sortHashtagsByUse(state, tags);
+    return sortHashtagsByUse(state, tags.map(item => ({ ...item, type: 'hashtag' })));
   }
 };
 
diff --git a/app/javascript/mastodon/reducers/search.js b/app/javascript/mastodon/reducers/search.js
index f437ff217..875b2d92b 100644
--- a/app/javascript/mastodon/reducers/search.js
+++ b/app/javascript/mastodon/reducers/search.js
@@ -44,7 +44,8 @@ export default function search(state = initialState, action) {
       hashtags: fromJS(action.results.hashtags),
     })).set('submitted', true).set('searchTerm', action.searchTerm);
   case SEARCH_EXPAND_SUCCESS:
-    return state.updateIn(['results', action.searchType], list => list.concat(action.results[action.searchType].map(item => item.id)));
+    const results = action.searchType === 'hashtags' ? fromJS(action.results.hashtags) : action.results[action.searchType].map(item => item.id);
+    return state.updateIn(['results', action.searchType], list => list.concat(results));
   default:
     return state;
   }
diff --git a/app/javascript/mastodon/utils/idna.js b/app/javascript/mastodon/utils/idna.js
new file mode 100644
index 000000000..efab5bacf
--- /dev/null
+++ b/app/javascript/mastodon/utils/idna.js
@@ -0,0 +1,10 @@
+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('.');
+};
generated by cgit-pink (git 2.37.1) at 2024-12-19 11:37:43 +0000