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- import React from 'react';
- import ImmutablePropTypes from 'react-immutable-proptypes';
- import PropTypes from 'prop-types';
- import { isRtl } from '../rtl';
- import { FormattedMessage } from 'react-intl';
- import Permalink from './permalink';
- 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 = {
- router: PropTypes.object,
- };
-
- static propTypes = {
- status: ImmutablePropTypes.map.isRequired,
- expanded: PropTypes.bool,
- onExpandedToggle: PropTypes.func,
- onClick: PropTypes.func,
- collapsable: PropTypes.bool,
- };
-
- state = {
- hidden: true,
- collapsed: null, // `collapsed: null` indicates that an element doesn't need collapsing, while `true` or `false` indicates that it does (and is/isn't).
- };
-
- _updateStatusLinks () {
- const node = this.node;
-
- if (!node) {
- return;
- }
-
- const links = node.querySelectorAll('a');
-
- for (var i = 0; i < links.length; ++i) {
- let link = links[i];
- if (link.classList.contains('status-link')) {
- continue;
- }
- link.classList.add('status-link');
-
- let mention = this.props.status.get('mentions').find(item => link.href === item.get('url'));
-
- if (mention) {
- link.addEventListener('click', this.onMentionClick.bind(this, mention), false);
- link.setAttribute('title', mention.get('acct'));
- } else if (link.textContent[0] === '#' || (link.previousSibling && link.previousSibling.textContent && link.previousSibling.textContent[link.previousSibling.textContent.length - 1] === '#')) {
- link.addEventListener('click', this.onHashtagClick.bind(this, link.text), false);
- } 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');
- link.setAttribute('rel', 'noopener');
- }
-
- if (
- this.props.collapsable
- && this.props.onClick
- && this.state.collapsed === null
- && node.clientHeight > MAX_HEIGHT
- && this.props.status.get('spoiler_text').length === 0
- ) {
- this.setState({ collapsed: true });
- }
- }
-
- _updateStatusEmojis () {
- const node = this.node;
-
- if (!node || autoPlayGif) {
- return;
- }
-
- const emojis = node.querySelectorAll('.custom-emoji');
-
- for (var i = 0; i < emojis.length; i++) {
- let emoji = emojis[i];
- if (emoji.classList.contains('status-emoji')) {
- continue;
- }
- emoji.classList.add('status-emoji');
-
- emoji.addEventListener('mouseenter', this.handleEmojiMouseEnter, false);
- emoji.addEventListener('mouseleave', this.handleEmojiMouseLeave, false);
- }
- }
-
- componentDidMount () {
- this._updateStatusLinks();
- this._updateStatusEmojis();
- }
-
- componentDidUpdate () {
- this._updateStatusLinks();
- this._updateStatusEmojis();
- }
-
- onMentionClick = (mention, e) => {
- if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
- e.preventDefault();
- this.context.router.history.push(`/accounts/${mention.get('id')}`);
- }
- }
-
- onHashtagClick = (hashtag, e) => {
- hashtag = hashtag.replace(/^#/, '').toLowerCase();
-
- if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
- e.preventDefault();
- this.context.router.history.push(`/timelines/tag/${hashtag}`);
- }
- }
-
- handleEmojiMouseEnter = ({ target }) => {
- target.src = target.getAttribute('data-original');
- }
-
- handleEmojiMouseLeave = ({ target }) => {
- target.src = target.getAttribute('data-static');
- }
-
- handleMouseDown = (e) => {
- this.startXY = [e.clientX, e.clientY];
- }
-
- handleMouseUp = (e) => {
- if (!this.startXY) {
- return;
- }
-
- const [ startX, startY ] = this.startXY;
- const [ deltaX, deltaY ] = [Math.abs(e.clientX - startX), Math.abs(e.clientY - startY)];
-
- let element = e.target;
- while (element) {
- if (element.localName === 'button' || element.localName === 'a' || element.localName === 'label') {
- return;
- }
- element = element.parentNode;
- }
-
- if (deltaX + deltaY < 5 && e.button === 0 && this.props.onClick) {
- this.props.onClick();
- }
-
- this.startXY = null;
- }
-
- handleSpoilerClick = (e) => {
- e.preventDefault();
-
- if (this.props.onExpandedToggle) {
- // The parent manages the state
- this.props.onExpandedToggle();
- } else {
- this.setState({ hidden: !this.state.hidden });
- }
- }
-
- handleCollapsedClick = (e) => {
- e.preventDefault();
- this.setState({ collapsed: !this.state.collapsed });
- }
-
- setRef = (c) => {
- this.node = c;
- }
-
- render () {
- const { status } = this.props;
-
- if (status.get('content').length === 0) {
- return null;
- }
-
- const hidden = this.props.onExpandedToggle ? !this.props.expanded : this.state.hidden;
-
- const content = { __html: status.get('contentHtml') };
- const spoilerContent = { __html: status.get('spoilerHtml') };
- const directionStyle = { direction: 'ltr' };
- const classNames = classnames('status__content', {
- 'status__content--with-action': this.props.onClick && this.context.router,
- 'status__content--with-spoiler': status.get('spoiler_text').length > 0,
- 'status__content--collapsed': this.state.collapsed === true,
- });
-
- if (isRtl(status.get('search_index'))) {
- directionStyle.direction = 'rtl';
- }
-
- const readMoreButton = (
- <button className='status__content__read-more-button' onClick={this.props.onClick} key='read-more'>
- <FormattedMessage id='status.read_more' defaultMessage='Read more' /><Icon id='angle-right' fixedWidth />
- </button>
- );
-
- if (status.get('spoiler_text').length > 0) {
- let mentionsPlaceholder = '';
-
- const mentionLinks = status.get('mentions').map(item => (
- <Permalink to={`/accounts/${item.get('id')}`} href={item.get('url')} key={item.get('id')} className='mention'>
- @<span>{item.get('username')}</span>
- </Permalink>
- )).reduce((aggregate, item) => [...aggregate, item, ' '], []);
-
- const toggleText = hidden ? <FormattedMessage id='status.show_more' defaultMessage='Show more' /> : <FormattedMessage id='status.show_less' defaultMessage='Show less' />;
-
- if (hidden) {
- mentionsPlaceholder = <div>{mentionLinks}</div>;
- }
-
- return (
- <div className={classNames} ref={this.setRef} tabIndex='0' style={directionStyle} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
- <p style={{ marginBottom: hidden && status.get('mentions').isEmpty() ? '0px' : null }}>
- <span dangerouslySetInnerHTML={spoilerContent} lang={status.get('language')} />
- {' '}
- <button tabIndex='0' className={`status__content__spoiler-link ${hidden ? 'status__content__spoiler-link--show-more' : 'status__content__spoiler-link--show-less'}`} onClick={this.handleSpoilerClick}>{toggleText}</button>
- </p>
-
- {mentionsPlaceholder}
-
- <div tabIndex={!hidden ? 0 : null} className={`status__content__text ${!hidden ? 'status__content__text--visible' : ''}`} style={directionStyle} dangerouslySetInnerHTML={content} lang={status.get('language')} />
-
- {!hidden && !!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
- </div>
- );
- } else if (this.props.onClick) {
- return (
- <div className={classNames} ref={this.setRef} tabIndex='0' style={directionStyle} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
- <div className='status__content__text status__content__text--visible' style={directionStyle} dangerouslySetInnerHTML={content} lang={status.get('language')} />
-
- {!!this.state.collapsed && readMoreButton}
-
- {!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
- </div>
- );
- } else {
- return (
- <div className={classNames} ref={this.setRef} tabIndex='0' style={directionStyle}>
- <div className='status__content__text status__content__text--visible' style={directionStyle} dangerouslySetInnerHTML={content} lang={status.get('language')} />
-
- {!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
- </div>
- );
- }
- }
-
- }
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