From 8e96510b2528056e84cf8d0ed68d2e686e566180 Mon Sep 17 00:00:00 2001 From: ThibG Date: Sat, 6 Jun 2020 17:41:56 +0200 Subject: [PATCH] Hide sensitive preview cards with blurhash (#13985) * Use preview card blurhash in WebUI * Handle sensitive preview cards --- app/javascript/mastodon/components/status.js | 1 + .../features/status/components/card.js | 85 +++++++++++++++++-- .../status/components/detailed_status.js | 2 +- .../styles/mastodon/components.scss | 26 +++++- app/views/statuses/_detailed_status.html.haml | 2 +- app/views/statuses/_simple_status.html.haml | 2 +- 6 files changed, 105 insertions(+), 13 deletions(-) diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js index 9e4442cef7..f99ccd39a6 100644 --- a/app/javascript/mastodon/components/status.js +++ b/app/javascript/mastodon/components/status.js @@ -401,6 +401,7 @@ class Status extends ImmutablePureComponent { compact cacheWidth={this.props.cacheMediaWidth} defaultWidth={this.props.cachedMediaWidth} + sensitive={status.get('sensitive')} /> ); } diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js index b8344a6673..630e99f2cb 100644 --- a/app/javascript/mastodon/features/status/components/card.js +++ b/app/javascript/mastodon/features/status/components/card.js @@ -2,9 +2,13 @@ import React from 'react'; import PropTypes from 'prop-types'; import Immutable from 'immutable'; import ImmutablePropTypes from 'react-immutable-proptypes'; +import { FormattedMessage } from 'react-intl'; import punycode from 'punycode'; import classnames from 'classnames'; import Icon from 'mastodon/components/icon'; +import classNames from 'classnames'; +import { useBlurhash } from 'mastodon/initial_state'; +import { decode } from 'blurhash'; const IDNA_PREFIX = 'xn--'; @@ -63,6 +67,7 @@ export default class Card extends React.PureComponent { compact: PropTypes.bool, defaultWidth: PropTypes.number, cacheWidth: PropTypes.func, + sensitive: PropTypes.bool, }; static defaultProps = { @@ -72,12 +77,44 @@ export default class Card extends React.PureComponent { state = { width: this.props.defaultWidth || 280, + previewLoaded: false, embedded: false, + revealed: !this.props.sensitive, }; componentWillReceiveProps (nextProps) { if (!Immutable.is(this.props.card, nextProps.card)) { - this.setState({ embedded: false }); + this.setState({ embedded: false, previewLoaded: false }); + } + if (this.props.sensitive !== nextProps.sensitive) { + this.setState({ revealed: !nextProps.sensitive }); + } + } + + componentDidMount () { + if (this.props.card && this.props.card.get('blurhash')) { + this._decode(); + } + } + + componentDidUpdate (prevProps) { + const { card } = this.props; + if (card.get('blurhash') && (!prevProps.card || prevProps.card.get('blurhash') !== card.get('blurhash'))) { + this._decode(); + } + } + + _decode () { + if (!useBlurhash) return; + + const hash = this.props.card.get('blurhash'); + const pixels = decode(hash, 32, 32); + + if (pixels) { + const ctx = this.canvas.getContext('2d'); + const imageData = new ImageData(pixels, 32, 32); + + ctx.putImageData(imageData, 0, 0); } } @@ -119,6 +156,18 @@ export default class Card extends React.PureComponent { } } + setCanvasRef = c => { + this.canvas = c; + } + + handleImageLoad = () => { + this.setState({ previewLoaded: true }); + } + + handleReveal = () => { + this.setState({ revealed: true }); + } + renderVideo () { const { card } = this.props; const content = { __html: addAutoPlay(card.get('html')) }; @@ -138,7 +187,7 @@ export default class Card extends React.PureComponent { render () { const { card, maxDescription, compact } = this.props; - const { width, embedded } = this.state; + const { width, embedded, revealed } = this.state; if (card === null) { return null; @@ -153,7 +202,7 @@ export default class Card extends React.PureComponent { const height = (compact && !embedded) ? (width / (16 / 9)) : (width / ratio); const description = ( -
+
{title} {!(horizontal || compact) &&

{trim(card.get('description') || '', maxDescription)}

} {provider} @@ -161,7 +210,18 @@ export default class Card extends React.PureComponent { ); let embed = ''; - let thumbnail =
; + let canvas = ; + let thumbnail = ; + let spoilerButton = ( + + ); + spoilerButton = ( +
+ {spoilerButton} +
+ ); if (interactive) { if (embedded) { @@ -175,14 +235,18 @@ export default class Card extends React.PureComponent { embed = (
+ {canvas} {thumbnail} -
-
- - {horizontal && } + {revealed && ( +
+
+ + {horizontal && } +
-
+ )} + {!revealed && spoilerButton}
); } @@ -196,13 +260,16 @@ export default class Card extends React.PureComponent { } else if (card.get('image')) { embed = (
+ {canvas} {thumbnail} + {!revealed && spoilerButton}
); } else { embed = (
+ {!revealed && spoilerButton}
); } diff --git a/app/javascript/mastodon/features/status/components/detailed_status.js b/app/javascript/mastodon/features/status/components/detailed_status.js index 4201b237e4..2ac47677ed 100644 --- a/app/javascript/mastodon/features/status/components/detailed_status.js +++ b/app/javascript/mastodon/features/status/components/detailed_status.js @@ -153,7 +153,7 @@ export default class DetailedStatus extends ImmutablePureComponent { ); } } else if (status.get('spoiler_text').length === 0) { - media = ; + media = ; } if (status.get('application')) { diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss index 2bd8ee456a..5d725b908f 100644 --- a/app/javascript/styles/mastodon/components.scss +++ b/app/javascript/styles/mastodon/components.scss @@ -3097,6 +3097,11 @@ a.status-card { flex: 1 1 auto; overflow: hidden; padding: 14px 14px 14px 8px; + + &--blurred { + filter: blur(2px); + pointer-events: none; + } } .status-card__description { @@ -3134,7 +3139,8 @@ a.status-card { width: 100%; } - .status-card__image-image { + .status-card__image-image, + .status-card__image-preview { border-radius: 4px 4px 0 0; } @@ -3179,6 +3185,24 @@ a.status-card.compact:hover { background-position: center center; } +.status-card__image-preview { + border-radius: 4px 0 0 4px; + display: block; + margin: 0; + width: 100%; + height: 100%; + object-fit: fill; + position: absolute; + top: 0; + left: 0; + z-index: 0; + background: $base-overlay-background; + + &--hidden { + display: none; + } +} + .load-more { display: block; color: $dark-text-color; diff --git a/app/views/statuses/_detailed_status.html.haml b/app/views/statuses/_detailed_status.html.haml index 33b81c748a..8e409846a7 100644 --- a/app/views/statuses/_detailed_status.html.haml +++ b/app/views/statuses/_detailed_status.html.haml @@ -39,7 +39,7 @@ = react_component :media_gallery, height: 380, sensitive: status.sensitive?, standalone: true, autoplay: autoplay, media: status.media_attachments.map { |a| ActiveModelSerializers::SerializableResource.new(a, serializer: REST::MediaAttachmentSerializer).as_json } do = render partial: 'statuses/attachment_list', locals: { attachments: status.media_attachments } - elsif status.preview_card - = react_component :card, 'maxDescription': 160, card: ActiveModelSerializers::SerializableResource.new(status.preview_card, serializer: REST::PreviewCardSerializer).as_json + = react_component :card, sensitive: status.sensitive?, 'maxDescription': 160, card: ActiveModelSerializers::SerializableResource.new(status.preview_card, serializer: REST::PreviewCardSerializer).as_json .detailed-status__meta %data.dt-published{ value: status.created_at.to_time.iso8601 } diff --git a/app/views/statuses/_simple_status.html.haml b/app/views/statuses/_simple_status.html.haml index d7853eca9c..da7caf166d 100644 --- a/app/views/statuses/_simple_status.html.haml +++ b/app/views/statuses/_simple_status.html.haml @@ -43,7 +43,7 @@ = react_component :media_gallery, height: 343, sensitive: status.sensitive?, autoplay: autoplay, media: status.media_attachments.map { |a| ActiveModelSerializers::SerializableResource.new(a, serializer: REST::MediaAttachmentSerializer).as_json } do = render partial: 'statuses/attachment_list', locals: { attachments: status.media_attachments } - elsif status.preview_card - = react_component :card, 'maxDescription': 160, card: ActiveModelSerializers::SerializableResource.new(status.preview_card, serializer: REST::PreviewCardSerializer).as_json + = react_component :card, sensitive: status.sensitive?, 'maxDescription': 160, card: ActiveModelSerializers::SerializableResource.new(status.preview_card, serializer: REST::PreviewCardSerializer).as_json - if !status.in_reply_to_id.nil? && status.in_reply_to_account_id == status.account.id = link_to ActivityPub::TagManager.instance.url_for(status), class: 'status__content__read-more-button', target: stream_link_target, rel: 'noopener noreferrer' do