/* Copyright 2015, 2016 OpenMarket Ltd Copyright 2017 New Vector Ltd Copyright 2019 The Matrix.org Foundation C.I.C. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import React, {createRef} from 'react'; import ReactDOM from 'react-dom'; import PropTypes from 'prop-types'; import createReactClass from 'create-react-class'; import highlight from 'highlight.js'; import * as HtmlUtils from '../../../HtmlUtils'; import {formatDate} from '../../../DateUtils'; import * as sdk from '../../../index'; import Modal from '../../../Modal'; import dis from '../../../dispatcher'; import { _t } from '../../../languageHandler'; import * as ContextMenu from '../../structures/ContextMenu'; import SettingsStore from "../../../settings/SettingsStore"; import ReplyThread from "../elements/ReplyThread"; import {pillifyLinks, unmountPills} from '../../../utils/pillify'; import {IntegrationManagers} from "../../../integrations/IntegrationManagers"; import {isPermalinkHost} from "../../../utils/permalinks/Permalinks"; import {toRightOf} from "../../structures/ContextMenu"; import {copyPlaintext} from "../../../utils/strings"; export default createReactClass({ displayName: 'TextualBody', propTypes: { /* the MatrixEvent to show */ mxEvent: PropTypes.object.isRequired, /* a list of words to highlight */ highlights: PropTypes.array, /* link URL for the highlights */ highlightLink: PropTypes.string, /* should show URL previews for this event */ showUrlPreview: PropTypes.bool, /* callback for when our widget has loaded */ onHeightChanged: PropTypes.func, /* the shape of the tile, used */ tileShape: PropTypes.string, }, getInitialState: function() { return { // the URLs (if any) to be previewed with a LinkPreviewWidget // inside this TextualBody. links: [], // track whether the preview widget is hidden widgetHidden: false, }; }, // TODO: [REACT-WARNING] Replace component with real class, use constructor for refs UNSAFE_componentWillMount: function() { this._content = createRef(); }, componentDidMount: function() { this._unmounted = false; this._pills = []; if (!this.props.editState) { this._applyFormatting(); } }, _applyFormatting() { this.activateSpoilers([this._content.current]); // pillifyLinks BEFORE linkifyElement because plain room/user URLs in the composer // are still sent as plaintext URLs. If these are ever pillified in the composer, // we should be pillify them here by doing the linkifying BEFORE the pillifying. pillifyLinks([this._content.current], this.props.mxEvent, this._pills); HtmlUtils.linkifyElement(this._content.current); this.calculateUrlPreview(); if (this.props.mxEvent.getContent().format === "org.matrix.custom.html") { const blocks = ReactDOM.findDOMNode(this).getElementsByTagName("code"); if (blocks.length > 0) { // Do this asynchronously: parsing code takes time and we don't // need to block the DOM update on it. setTimeout(() => { if (this._unmounted) return; for (let i = 0; i < blocks.length; i++) { if (SettingsStore.getValue("enableSyntaxHighlightLanguageDetection")) { highlight.highlightBlock(blocks[i]); } else { // Only syntax highlight if there's a class starting with language- const classes = blocks[i].className.split(/\s+/).filter(function(cl) { return cl.startsWith('language-'); }); if (classes.length != 0) { highlight.highlightBlock(blocks[i]); } } } }, 10); } this._addCodeCopyButton(); } }, componentDidUpdate: function(prevProps) { if (!this.props.editState) { const stoppedEditing = prevProps.editState && !this.props.editState; const messageWasEdited = prevProps.replacingEventId !== this.props.replacingEventId; if (messageWasEdited || stoppedEditing) { this._applyFormatting(); } } }, componentWillUnmount: function() { this._unmounted = true; unmountPills(this._pills); }, shouldComponentUpdate: function(nextProps, nextState) { //console.info("shouldComponentUpdate: ShowUrlPreview for %s is %s", this.props.mxEvent.getId(), this.props.showUrlPreview); // exploit that events are immutable :) return (nextProps.mxEvent.getId() !== this.props.mxEvent.getId() || nextProps.highlights !== this.props.highlights || nextProps.replacingEventId !== this.props.replacingEventId || nextProps.highlightLink !== this.props.highlightLink || nextProps.showUrlPreview !== this.props.showUrlPreview || nextProps.editState !== this.props.editState || nextState.links !== this.state.links || nextState.editedMarkerHovered !== this.state.editedMarkerHovered || nextState.widgetHidden !== this.state.widgetHidden); }, calculateUrlPreview: function() { //console.info("calculateUrlPreview: ShowUrlPreview for %s is %s", this.props.mxEvent.getId(), this.props.showUrlPreview); if (this.props.showUrlPreview) { // pass only the first child which is the event tile otherwise this recurses on edited events let links = this.findLinks([this._content.current]); if (links.length) { // de-dup the links (but preserve ordering) const seen = new Set(); links = links.filter((link) => { if (seen.has(link)) return false; seen.add(link); return true; }); this.setState({ links: links }); // lazy-load the hidden state of the preview widget from localstorage if (global.localStorage) { const hidden = global.localStorage.getItem("hide_preview_" + this.props.mxEvent.getId()); this.setState({ widgetHidden: hidden }); } } } }, activateSpoilers: function(nodes) { let node = nodes[0]; while (node) { if (node.tagName === "SPAN" && typeof node.getAttribute("data-mx-spoiler") === "string") { const spoilerContainer = document.createElement('span'); const reason = node.getAttribute("data-mx-spoiler"); const Spoiler = sdk.getComponent('elements.Spoiler'); node.removeAttribute("data-mx-spoiler"); // we don't want to recurse const spoiler = ; ReactDOM.render(spoiler, spoilerContainer); node.parentNode.replaceChild(spoilerContainer, node); node = spoilerContainer; } if (node.childNodes && node.childNodes.length) { this.activateSpoilers(node.childNodes); } node = node.nextSibling; } }, findLinks: function(nodes) { let links = []; for (let i = 0; i < nodes.length; i++) { const node = nodes[i]; if (node.tagName === "A" && node.getAttribute("href")) { if (this.isLinkPreviewable(node)) { links.push(node.getAttribute("href")); } } else if (node.tagName === "PRE" || node.tagName === "CODE" || node.tagName === "BLOCKQUOTE") { continue; } else if (node.children && node.children.length) { links = links.concat(this.findLinks(node.children)); } } return links; }, isLinkPreviewable: function(node) { // don't try to preview relative links if (!node.getAttribute("href").startsWith("http://") && !node.getAttribute("href").startsWith("https://")) { return false; } // as a random heuristic to avoid highlighting things like "foo.pl" // we require the linked text to either include a / (either from http:// // or from a full foo.bar/baz style schemeless URL) - or be a markdown-style // link, in which case we check the target text differs from the link value. // TODO: make this configurable? if (node.textContent.indexOf("/") > -1) { return true; } else { const url = node.getAttribute("href"); const host = url.match(/^https?:\/\/(.*?)(\/|$)/)[1]; // never preview permalinks (if anything we should give a smart // preview of the room/user they point to: nobody needs to be reminded // what the matrix.to site looks like). if (isPermalinkHost(host)) return false; if (node.textContent.toLowerCase().trim().startsWith(host.toLowerCase())) { // it's a "foo.pl" style link return false; } else { // it's a [foo bar](http://foo.com) style link return true; } } }, _addCodeCopyButton() { // Add 'copy' buttons to pre blocks Array.from(ReactDOM.findDOMNode(this).querySelectorAll('.mx_EventTile_body pre')).forEach((p) => { const button = document.createElement("span"); button.className = "mx_EventTile_copyButton"; button.onclick = async () => { const copyCode = button.parentNode.getElementsByTagName("pre")[0]; const successful = await copyPlaintext(copyCode.textContent); const buttonRect = button.getBoundingClientRect(); const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu'); const {close} = ContextMenu.createMenu(GenericTextContextMenu, { ...toRightOf(buttonRect, 2), message: successful ? _t('Copied!') : _t('Failed to copy'), }); button.onmouseleave = close; }; // Wrap a div around
 so that the copy button can be correctly positioned
            // when the 
 overflows and is scrolled horizontally.
            const div = document.createElement("div");
            div.className = "mx_EventTile_pre_container";

            // Insert containing div in place of 
 block
            p.parentNode.replaceChild(div, p);

            // Append 
 block and copy button to container
            div.appendChild(p);
            div.appendChild(button);
        });
    },

    onCancelClick: function(event) {
        this.setState({ widgetHidden: true });
        // FIXME: persist this somewhere smarter than local storage
        if (global.localStorage) {
            global.localStorage.setItem("hide_preview_" + this.props.mxEvent.getId(), "1");
        }
        this.forceUpdate();
    },

    onEmoteSenderClick: function(event) {
        const mxEvent = this.props.mxEvent;
        dis.dispatch({
            action: 'insert_mention',
            user_id: mxEvent.getSender(),
        });
    },

    getEventTileOps: function() {
        return {
            isWidgetHidden: () => {
                return this.state.widgetHidden;
            },

            unhideWidget: () => {
                this.setState({ widgetHidden: false });
                if (global.localStorage) {
                    global.localStorage.removeItem("hide_preview_" + this.props.mxEvent.getId());
                }
            },
        };
    },

    onStarterLinkClick: function(starterLink, ev) {
        ev.preventDefault();
        // We need to add on our scalar token to the starter link, but we may not have one!
        // In addition, we can't fetch one on click and then go to it immediately as that
        // is then treated as a popup!
        // We can get around this by fetching one now and showing a "confirmation dialog" (hurr hurr)
        // which requires the user to click through and THEN we can open the link in a new tab because
        // the window.open command occurs in the same stack frame as the onClick callback.

        const managers = IntegrationManagers.sharedInstance();
        if (!managers.hasManager()) {
            managers.openNoManagerDialog();
            return;
        }

        // Go fetch a scalar token
        const integrationManager = managers.getPrimaryManager();
        const scalarClient = integrationManager.getScalarClient();
        scalarClient.connect().then(() => {
            const completeUrl = scalarClient.getStarterLink(starterLink);
            const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
            const integrationsUrl = integrationManager.uiUrl;
            Modal.createTrackedDialog('Add an integration', '', QuestionDialog, {
                title: _t("Add an Integration"),
                description:
                    
{ _t("You are about to be taken to a third-party site so you can " + "authenticate your account for use with %(integrationsUrl)s. " + "Do you wish to continue?", { integrationsUrl: integrationsUrl }) }
, button: _t("Continue"), onFinished: function(confirmed) { if (!confirmed) { return; } const width = window.screen.width > 1024 ? 1024 : window.screen.width; const height = window.screen.height > 800 ? 800 : window.screen.height; const left = (window.screen.width - width) / 2; const top = (window.screen.height - height) / 2; const features = `height=${height}, width=${width}, top=${top}, left=${left},`; const wnd = window.open(completeUrl, '_blank', features); wnd.opener = null; }, }); }); }, _onMouseEnterEditedMarker: function() { this.setState({editedMarkerHovered: true}); }, _onMouseLeaveEditedMarker: function() { this.setState({editedMarkerHovered: false}); }, _openHistoryDialog: async function() { const MessageEditHistoryDialog = sdk.getComponent("views.dialogs.MessageEditHistoryDialog"); Modal.createDialog(MessageEditHistoryDialog, {mxEvent: this.props.mxEvent}); }, _renderEditedMarker: function() { let editedTooltip; if (this.state.editedMarkerHovered) { const Tooltip = sdk.getComponent('elements.Tooltip'); const date = this.props.mxEvent.replacingEventDate(); const dateString = date && formatDate(date); editedTooltip = ; } const AccessibleButton = sdk.getComponent('elements.AccessibleButton'); return ( { editedTooltip }{`(${_t("edited")})`} ); }, render: function() { if (this.props.editState) { const EditMessageComposer = sdk.getComponent('rooms.EditMessageComposer'); return ; } const mxEvent = this.props.mxEvent; const content = mxEvent.getContent(); const stripReply = ReplyThread.getParentEventId(mxEvent); let body = HtmlUtils.bodyToHtml(content, this.props.highlights, { disableBigEmoji: content.msgtype === "m.emote" || !SettingsStore.getValue('TextualBody.enableBigEmoji'), // Part of Replies fallback support stripReplyFallback: stripReply, ref: this._content, }); if (this.props.replacingEventId) { body = [body, this._renderEditedMarker()]; } if (this.props.highlightLink) { body = { body }; } else if (content.data && typeof content.data["org.matrix.neb.starter_link"] === "string") { body = { body }; } let widgets; if (this.state.links.length && !this.state.widgetHidden && this.props.showUrlPreview) { const LinkPreviewWidget = sdk.getComponent('rooms.LinkPreviewWidget'); widgets = this.state.links.map((link)=>{ return ; }); } switch (content.msgtype) { case "m.emote": return ( { mxEvent.sender ? mxEvent.sender.name : mxEvent.getSender() }   { body } { widgets } ); case "m.notice": return ( { body } { widgets } ); default: // including "m.text" return ( { body } { widgets } ); } }, });