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Composition area: Only paste HTML that originated in Signal

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Co-authored-by: Chris Svenningsen <chris@carbonfive.com>
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Sidney Keese 2020-11-11 17:01:45 -08:00 committed by GitHub
parent 98da8746e8
commit 7af2284c6b
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6 changed files with 148 additions and 77 deletions
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72
ts/components/CompositionInput.tsx
View file

@ -6,10 +6,8 @@ import * as React from 'react';
import Delta from 'quill-delta';
import ReactQuill from 'react-quill';
import classNames from 'classnames';
import emojiRegex from 'emoji-regex';
import { Manager, Reference } from 'react-popper';
import Quill, { KeyboardStatic, RangeStatic } from 'quill';
import Op from 'quill-delta/dist/Op';
import { MentionCompletion } from '../quill/mentions/completion';
import { EmojiBlot, EmojiCompletion } from '../quill/emoji';
@ -22,6 +20,7 @@ import {
matchEmojiImage,
matchEmojiBlot,
matchReactEmoji,
matchEmojiText,
} from '../quill/emoji/matchers';
import { matchMention } from '../quill/mentions/matchers';
import { MemberRepository } from '../quill/memberRepository';
@ -30,6 +29,8 @@ import {
getTextAndMentionsFromOps,
isMentionBlot,
getDeltaToRestartMention,
insertMentionOps,
insertEmojiOps,
} from '../quill/util';
import { SignalClipboard } from '../quill/signal-clipboard';
@ -117,70 +118,6 @@ export const CompositionInput: React.ComponentType<Props> = props => {
new MemberRepository()
);
const insertMentionOps = (
incomingOps: Array<Op>,
bodyRanges: Array<BodyRangeType>
) => {
const ops = [...incomingOps];
// Working backwards through bodyRanges (to avoid offsetting later mentions),
// Shift off the op with the text to the left of the last mention,
// Insert a mention based on the current bodyRange,
// Unshift the mention and surrounding text to leave the ops ready for the next range
bodyRanges
.sort((a, b) => b.start - a.start)
.forEach(({ start, length, mentionUuid, replacementText }) => {
const op = ops.shift();
if (op) {
const { insert } = op;
if (typeof insert === 'string') {
const left = insert.slice(0, start);
const right = insert.slice(start + length);
const mention = {
uuid: mentionUuid,
title: replacementText,
};
ops.unshift({ insert: right });
ops.unshift({ insert: { mention } });
ops.unshift({ insert: left });
} else {
ops.unshift(op);
}
}
});
return ops;
};
const insertEmojiOps = (incomingOps: Array<Op>): Array<Op> => {
return incomingOps.reduce((ops, op) => {
if (typeof op.insert === 'string') {
const text = op.insert;
const re = emojiRegex();
let index = 0;
let match: RegExpExecArray | null;
// eslint-disable-next-line no-cond-assign
while ((match = re.exec(text))) {
const [emoji] = match;
ops.push({ insert: text.slice(index, match.index) });
ops.push({ insert: { emoji } });
index = match.index + emoji.length;
}
ops.push({ insert: text.slice(index, text.length) });
} else {
ops.push(op);
}
return ops;
}, [] as Array<Op>);
};
const generateDelta = (
text: string,
bodyRanges: Array<BodyRangeType>
@ -258,7 +195,7 @@ export const CompositionInput: React.ComponentType<Props> = props => {
quill.setText('');
const historyModule: HistoryStatic = quill.getModule('history');
const historyModule = quill.getModule('history');
if (historyModule === undefined) {
return;
@ -544,6 +481,7 @@ export const CompositionInput: React.ComponentType<Props> = props => {
['IMG', matchEmojiImage],
['IMG', matchEmojiBlot],
['SPAN', matchReactEmoji],
[Node.TEXT_NODE, matchEmojiText],
['SPAN', matchMention(memberRepositoryRef)],
],
},

7
ts/quill/emoji/matchers.ts
View file

@ -2,6 +2,7 @@
// SPDX-License-Identifier: AGPL-3.0-only
import Delta from 'quill-delta';
import { insertEmojiOps } from '../util';
export const matchEmojiImage = (node: Element): Delta => {
if (node.classList.contains('emoji')) {
@ -26,3 +27,9 @@ export const matchReactEmoji = (node: HTMLElement, delta: Delta): Delta => {
}
return delta;
};
export const matchEmojiText = (node: Text): Delta => {
const nodeAsInsert = { insert: node.data };
return new Delta(insertEmojiOps([nodeAsInsert]));
};

40
ts/quill/signal-clipboard/index.ts
View file

@ -2,6 +2,8 @@
// SPDX-License-Identifier: AGPL-3.0-only
import Quill from 'quill';
import Delta from 'quill-delta';
import { getTextFromOps } from '../util';
const getSelectionHTML = () => {
@ -28,6 +30,7 @@ export class SignalClipboard {
this.quill.root.addEventListener('copy', e => this.onCaptureCopy(e, false));
this.quill.root.addEventListener('cut', e => this.onCaptureCopy(e, true));
this.quill.root.addEventListener('paste', e => this.onCapturePaste(e));
}
onCaptureCopy(event: ClipboardEvent, isCut = false): void {
@ -59,10 +62,45 @@ export class SignalClipboard {
const html = getSelectionHTML();
event.clipboardData.setData('text/plain', text);
event.clipboardData.setData('text/html', html);
event.clipboardData.setData('text/signal', html);
if (isCut) {
this.quill.deleteText(range.index, range.length, 'user');
}
}
onCapturePaste(event: ClipboardEvent): void {
if (event.clipboardData === null) {
return;
}
this.quill.focus();
const clipboard = this.quill.getModule('clipboard');
const selection = this.quill.getSelection();
if (selection === null) {
return;
}
const text = event.clipboardData.getData('text/plain');
const html = event.clipboardData.getData('text/signal');
const { scrollTop } = this.quill.scrollingContainer;
this.quill.selection.update('silent');
if (selection) {
setTimeout(() => {
const delta = new Delta()
.retain(selection.index)
.concat(clipboard.convert(html || text));
this.quill.updateContents(delta, 'user');
this.quill.setSelection(delta.length(), 0, 'silent');
this.quill.scrollingContainer.scrollTop = scrollTop;
}, 1);
}
event.preventDefault();
}
}

23
ts/quill/types.d.ts vendored
View file

@ -2,6 +2,8 @@
// SPDX-License-Identifier: AGPL-3.0-only
import UpdatedDelta from 'quill-delta';
import { MentionCompletion } from './mentions/completion';
import { EmojiCompletion } from './emoji/completion';
declare module 'react-quill' {
// `react-quill` uses a different but compatible version of Delta
@ -30,6 +32,19 @@ declare module 'quill' {
value(): any;
}
interface HistoryStatic {
undo(): void;
clear(): void;
}
interface ClipboardStatic {
convert(html: string): UpdatedDelta;
}
interface SelectionStatic {
update(source: string): void;
}
interface Quill {
updateContents(delta: UpdatedDelta, source?: Sources): UpdatedDelta;
getContents(index?: number, length?: number): UpdatedDelta;
@ -41,6 +56,14 @@ declare module 'quill' {
eventName: 'text-change',
handler: UpdatedTextChangeHandler
): EventEmitter;
getModule(module: 'history'): HistoryStatic;
getModule(module: 'clipboard'): ClipboardStatic;
getModule(module: 'mentionCompletion'): MentionCompletion;
getModule(module: 'emojiCompletion'): EmojiCompletion;
getModule(module: string): unknown;
selection: SelectionStatic;
}
interface KeyboardStatic {

65
ts/quill/util.ts
View file

@ -1,6 +1,7 @@
// Copyright 2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import emojiRegex from 'emoji-regex';
import Delta from 'quill-delta';
import { LeafBlot, DeltaOperation } from 'quill';
import Op from 'quill-delta/dist/Op';
@ -195,3 +196,67 @@ export const getDeltaToRemoveStaleMentions = (
return new Delta(newOps);
};
export const insertMentionOps = (
incomingOps: Array<Op>,
bodyRanges: Array<BodyRangeType>
): Array<Op> => {
const ops = [...incomingOps];
// Working backwards through bodyRanges (to avoid offsetting later mentions),
// Shift off the op with the text to the left of the last mention,
// Insert a mention based on the current bodyRange,
// Unshift the mention and surrounding text to leave the ops ready for the next range
bodyRanges
.sort((a, b) => b.start - a.start)
.forEach(({ start, length, mentionUuid, replacementText }) => {
const op = ops.shift();
if (op) {
const { insert } = op;
if (typeof insert === 'string') {
const left = insert.slice(0, start);
const right = insert.slice(start + length);
const mention = {
uuid: mentionUuid,
title: replacementText,
};
ops.unshift({ insert: right });
ops.unshift({ insert: { mention } });
ops.unshift({ insert: left });
} else {
ops.unshift(op);
}
}
});
return ops;
};
export const insertEmojiOps = (incomingOps: Array<Op>): Array<Op> => {
return incomingOps.reduce((ops, op) => {
if (typeof op.insert === 'string') {
const text = op.insert;
const re = emojiRegex();
let index = 0;
let match: RegExpExecArray | null;
// eslint-disable-next-line no-cond-assign
while ((match = re.exec(text))) {
const [emoji] = match;
ops.push({ insert: text.slice(index, match.index) });
ops.push({ insert: { emoji } });
index = match.index + emoji.length;
}
ops.push({ insert: text.slice(index, text.length) });
} else {
ops.push(op);
}
return ops;
}, [] as Array<Op>);
};

18
ts/util/lint/exceptions.json
View file

@ -14544,7 +14544,7 @@
"rule": "React-useRef",
"path": "ts/components/CompositionInput.js",
"line": " const emojiCompletionRef = React.useRef();",
"lineNumber": 45,
"lineNumber": 44,
"reasonCategory": "falseMatch",
"updated": "2020-10-26T19:12:24.410Z",
"reasonDetail": "Doesn't refer to a DOM element."
@ -14553,7 +14553,7 @@
"rule": "React-useRef",
"path": "ts/components/CompositionInput.js",
"line": " const mentionCompletionRef = React.useRef();",
"lineNumber": 46,
"lineNumber": 45,
"reasonCategory": "falseMatch",
"updated": "2020-10-26T23:54:34.273Z",
"reasonDetail": "Doesn't refer to a DOM element."
@ -14562,7 +14562,7 @@
"rule": "React-useRef",
"path": "ts/components/CompositionInput.js",
"line": " const quillRef = React.useRef();",
"lineNumber": 47,
"lineNumber": 46,
"reasonCategory": "falseMatch",
"updated": "2020-10-26T19:12:24.410Z",
"reasonDetail": "Doesn't refer to a DOM element."
@ -14571,7 +14571,7 @@
"rule": "React-useRef",
"path": "ts/components/CompositionInput.js",
"line": " const scrollerRef = React.useRef(null);",
"lineNumber": 48,
"lineNumber": 47,
"reasonCategory": "usageTrusted",
"updated": "2020-10-26T19:12:24.410Z",
"reasonDetail": "Used with Quill for scrolling."
@ -14580,7 +14580,7 @@
"rule": "React-useRef",
"path": "ts/components/CompositionInput.js",
"line": " const propsRef = React.useRef(props);",
"lineNumber": 49,
"lineNumber": 48,
"reasonCategory": "falseMatch",
"updated": "2020-10-26T19:12:24.410Z",
"reasonDetail": "Doesn't refer to a DOM element."
@ -14589,7 +14589,7 @@
"rule": "React-useRef",
"path": "ts/components/CompositionInput.js",
"line": " const memberRepositoryRef = React.useRef(new memberRepository_1.MemberRepository());",
"lineNumber": 50,
"lineNumber": 49,
"reasonCategory": "falseMatch",
"updated": "2020-10-26T23:56:13.482Z",
"reasonDetail": "Doesn't refer to a DOM element."
@ -14930,7 +14930,7 @@
"rule": "DOM-innerHTML",
"path": "ts/quill/signal-clipboard/index.js",
"line": " return div.innerHTML;",
"lineNumber": 15,
"lineNumber": 19,
"reasonCategory": "usageTrusted",
"updated": "2020-11-06T17:43:07.381Z",
"reasonDetail": "used for figuring out clipboard contents"
@ -14939,7 +14939,7 @@
"rule": "DOM-innerHTML",
"path": "ts/quill/signal-clipboard/index.ts",
"line": " return div.innerHTML;",
"lineNumber": 20,
"lineNumber": 22,
"reasonCategory": "usageTrusted",
"updated": "2020-11-06T17:43:07.381Z",
"reasonDetail": "used for figuring out clipboard contents"
@ -15176,4 +15176,4 @@
"reasonCategory": "falseMatch",
"updated": "2020-09-08T23:07:22.682Z"
}
]
]