Display QR code when sharing invite link

Fixes: #2495
Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>

package.json

@@ -48,6 +48,7 @@
     "@sentry/react": "^8.0.0",
     "@sentry/tracing": "^7.0.0",
     "@types/lodash": "^4.14.199",
+    "@types/qrcode": "^1.5.5",
     "@use-gesture/react": "^10.2.11",
     "@vector-im/compound-design-tokens": "^1.0.0",
     "@vector-im/compound-web": "^6.0.0",
@@ -68,6 +69,7 @@
     "pako": "^2.0.4",
     "postcss-preset-env": "^10.0.0",
     "posthog-js": "^1.29.0",
+    "qrcode": "^1.5.4",
     "react": "18",
     "react-dom": "18",
     "react-i18next": "^15.0.0",

public/locales/en-GB/app.json

@@ -107,6 +107,7 @@
   "mute_microphone_button_label": "Mute microphone",
   "participant_count_one": "{{count, number}}",
   "participant_count_other": "{{count, number}}",
+  "qr_code": "QR Code",
   "rageshake_button_error_caption": "Retry sending logs",
   "rageshake_request_modal": {
     "body": "Another user on this call is having an issue. In order to better diagnose these issues we'd like to collect a debug log.",

src/QrCode.module.css

@@ -0,0 +1,20 @@
+/*
+Copyright 2024 New Vector Ltd
+
+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.
+*/
+
+.qrCode img {
+  max-width: 100%;
+  image-rendering: pixelated;
+}

src/QrCode.tsx

@@ -0,0 +1,54 @@
+/*
+Copyright 2024 New Vector Ltd
+
+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 { FC, useEffect, useState } from "react";
+import { toDataURL } from "qrcode";
+import classNames from "classnames";
+import { t } from "i18next";
+
+import styles from "./QrCode.module.css";
+
+interface Props {
+  data: string;
+  className?: string;
+}
+
+export const QrCode: FC<Props> = ({ data, className }) => {
+  const [url, setUrl] = useState<string | null>(null);
+
+  useEffect(() => {
+    let isCancelled = false; 
+
+    toDataURL(data, { errorCorrectionLevel: "L" }).then((url) => {
+      if (!isCancelled) {
+        setUrl(url);
+      }
+    }).catch((reason) => {
+      if (!isCancelled) {
+        setUrl(null);
+      }
+    });
+
+    return (): void => { isCancelled = true; };
+  }, [data]);
+
+  return (
+    <div className={classNames(styles.qrCode, className)}>
+        {url && <img src={url} alt={t("qr_code")} />}
+    </div>
+);
+};
+

src/room/InviteModal.module.css

@@ -24,3 +24,12 @@ limitations under the License.
 .button {
   width: 100%;
 }
+
+.qrCode {
+  display: flex;
+  justify-content: center;
+}
+
+.qrCode img {
+  margin-block-end: var(--cpd-space-8x);
+}

src/room/InviteModal.tsx

@@ -29,6 +29,7 @@ import { getAbsoluteRoomUrl } from "../utils/matrix";
 import styles from "./InviteModal.module.css";
 import { Toast } from "../Toast";
 import { useRoomEncryptionSystem } from "../e2ee/sharedKeyManagement";
+import { QrCode } from "../QrCode";
 
 interface Props {
   room: Room;
@@ -61,6 +62,7 @@ export const InviteModal: FC<Props> = ({ room, open, onDismiss }) => {
   return (
     <>
       <Modal title={t("invite_modal.title")} open={open} onDismiss={onDismiss}>
+        <QrCode className={styles.qrCode} data={url} />
         <Text className={styles.url} size="sm" weight="semibold">
           {url}
         </Text>

yarn.lock

@@ -3508,6 +3508,13 @@
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.12.tgz#12bb1e2be27293c1406acb6af1c3f3a1481d98c6"
   integrity sha512-5zvhXYtRNRluoE/jAp4GVsSduVUzNWKkOZrCDBWYtE7biZywwdC2AcEzg+cSMLFRfVgeAFqpfNabiPjxFddV1Q==
 
+"@types/qrcode@^1.5.5":
+  version "1.5.5"
+  resolved "https://registry.yarnpkg.com/@types/qrcode/-/qrcode-1.5.5.tgz#993ff7c6b584277eee7aac0a20861eab682f9dac"
+  integrity sha512-CdfBi/e3Qk+3Z/fXYShipBT13OJ2fDO2Q2w5CIP5anLTLIndQG9z6P1cnm+8zCWSpm5dnxMFd/uREtb0EXuQzg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/react-dom@^18.3.0":
   version "18.3.0"
   resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-18.3.0.tgz#0cbc818755d87066ab6ca74fbedb2547d74a82b0"
@@ -4284,6 +4291,11 @@ callsites@^3.0.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
   integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
 
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
+
 camelcase@^6.2.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-6.3.0.tgz#5685b95eb209ac9c0c177467778c9c84df58ba9a"
@@ -4393,6 +4405,15 @@ clean-regexp@^1.0.0:
   dependencies:
     escape-string-regexp "^1.0.5"
 
+cliui@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-6.0.0.tgz#511d702c0c4e41ca156d7d0e96021f23e13225b1"
+  integrity sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^6.2.0"
+
 clone-stats@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
@@ -4658,6 +4679,11 @@ debug@^4.3.2:
   dependencies:
     ms "2.1.2"
 
+decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha512-z2S+W9X73hAUUki+N+9Za2lBlun89zigOyGrsax+KUQ6wKW4ZoWpEYBkGhQjwAjjDCkWxhY0VKEhk8wzY7F5cA==
+
 decimal.js@^10.4.3:
   version "10.4.3"
   resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.4.3.tgz#1044092884d245d1b7f65725fa4ad4c6f781cc23"
@@ -4730,6 +4756,11 @@ detect-node-es@^1.1.0:
   resolved "https://registry.yarnpkg.com/detect-node-es/-/detect-node-es-1.1.0.tgz#163acdf643330caa0b4cd7c21e7ee7755d6fa493"
   integrity sha512-ypdmJU/TbBby2Dxibuv7ZLW3Bs1QEmM7nHjEANfohJLvE0XVujisn1qPJcZxg+qDucsr+bP6fLD1rPS3AhJ7EQ==
 
+dijkstrajs@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/dijkstrajs/-/dijkstrajs-1.0.3.tgz#4c8dbdea1f0f6478bff94d9c49c784d623e4fc23"
+  integrity sha512-qiSlmBq9+BCdCA/L46dw8Uy93mloxsPSbwnm5yrKn2vMPiy8KyAskTF6zuV/j5BMsmOGZDPs7KjU+mjb670kfA==
+
 dir-glob@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
@@ -5555,6 +5586,11 @@ gensync@^1.0.0-beta.2:
   resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.2.tgz#32a6ee76c3d7f52d46b2b1ae5d93fea8580a25e0"
   integrity sha512-3hN7NaskYvMDLQY55gnW3NQ+mesEAepTqlg+VEbj7zzqEMBVNhzcGYYeqFo/TlYz6eQiFcp1HcsCZO+nGgS8zg==
 
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
 get-func-name@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.2.tgz#0d7cf20cd13fda808669ffa88f4ffc7a3943fc41"
@@ -7185,6 +7221,11 @@ pluralize@^8.0.0:
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-8.0.0.tgz#1a6fa16a38d12a1901e0320fa017051c539ce3b1"
   integrity sha512-Nc3IT5yHzflTfbjgqWcCPpo7DaKy4FnpB0l/zCAW0Tc7jxAiuqSxHasntB3D7887LSrA93kDJ9IXovxJYxyLCA==
 
+pngjs@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/pngjs/-/pngjs-5.0.0.tgz#e79dd2b215767fd9c04561c01236df960bce7fbb"
+  integrity sha512-40QW5YalBNfQo5yRYmiw7Yz6TKKVr3h6970B2YE+3fQpsWcrbj1PzJgxeJ19DRQjhMbKPIuMY8rFaXc8moolVw==
+
 possible-typed-array-names@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/possible-typed-array-names/-/possible-typed-array-names-1.0.0.tgz#89bb63c6fada2c3e90adc4a647beeeb39cc7bf8f"
@@ -7564,6 +7605,15 @@ punycode@^2.1.0, punycode@^2.1.1, punycode@^2.3.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.3.1.tgz#027422e2faec0b25e1549c3e1bd8309b9133b6e5"
   integrity sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==
 
+qrcode@^1.5.4:
+  version "1.5.4"
+  resolved "https://registry.yarnpkg.com/qrcode/-/qrcode-1.5.4.tgz#5cb81d86eb57c675febb08cf007fff963405da88"
+  integrity sha512-1ca71Zgiu6ORjHqFBDpnSMTR2ReToX4l1Au1VFLyVeBTFavzQnv5JxMFr3ukHVKpSrSA2MCk0lNJSykjUfz7Zg==
+  dependencies:
+    dijkstrajs "^1.0.1"
+    pngjs "^5.0.0"
+    yargs "^15.3.1"
+
 querystringify@^2.1.1:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
@@ -7854,6 +7904,11 @@ replace-ext@^2.0.0:
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-2.0.0.tgz#9471c213d22e1bcc26717cd6e50881d88f812b06"
   integrity sha512-UszKE5KVK6JvyD92nzMn9cDapSk6w/CaFZ96CnmDMUqH9oowfxF/ZjRITD25H4DnOQClLA4/j7jLGXXLVKxAug==
 
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==
+
 require-from-string@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
@@ -7868,6 +7923,11 @@ require-in-the-middle@^7.1.1:
     module-details-from-path "^1.0.3"
     resolve "^1.22.1"
 
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
 requires-port@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
@@ -8095,6 +8155,11 @@ semver@^7.6.0, semver@^7.6.1:
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.6.2.tgz#1e3b34759f896e8f14d6134732ce798aeb0c6e13"
   integrity sha512-FNAIBWCx9qcRhoHcgcJ0gvU7SN1lYU2ZXuSfl04bSC5OpvDHFyJCjdNHomPXxjQlCBU67YW64PzY7/VIEH7F2w==
 
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha512-KiKBS8AnWGEyLzofFfmvKwpdPzqiy16LvQfK3yv/fVH7Bj13/wl3JSR1J+rfgRE9q7xUJK4qvgS8raSOeLUehw==
+
 set-function-length@^1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/set-function-length/-/set-function-length-1.2.2.tgz#aac72314198eaed975cf77b2c3b6b880695e5449"
@@ -8268,7 +8333,7 @@ string-template@~0.2.1:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.1"
 
-string-width@^4.1.0:
+string-width@^4.1.0, string-width@^4.2.0:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -9099,6 +9164,11 @@ which-collection@^1.0.1:
     is-weakmap "^2.0.2"
     is-weakset "^2.0.3"
 
+which-module@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.1.tgz#776b1fe35d90aebe99e8ac15eb24093389a4a409"
+  integrity sha512-iBdZ57RDvnOR9AGBhML2vFZf7h8vmBjhoaZqODJBFWHVtKkDmKuHai3cx5PgVMrX5YDNp27AofYbAwctSS+vhQ==
+
 which-typed-array@^1.1.13, which-typed-array@^1.1.14, which-typed-array@^1.1.15, which-typed-array@^1.1.9:
   version "1.1.15"
   resolved "https://registry.yarnpkg.com/which-typed-array/-/which-typed-array-1.1.15.tgz#264859e9b11a649b388bfaaf4f767df1f779b38d"
@@ -9134,6 +9204,15 @@ why-is-node-running@^2.3.0:
     string-width "^4.1.0"
     strip-ansi "^6.0.0"
 
+wrap-ansi@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53"
+  integrity sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
 wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-8.1.0.tgz#56dc22368ee570face1b49819975d9b9a5ead214"
@@ -9173,6 +9252,11 @@ xtend@^4.0.0, xtend@~4.0.0, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
+y18n@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf"
+  integrity sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==
+
 yallist@^3.0.2:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
@@ -9183,6 +9267,31 @@ yallist@^4.0.0:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
   integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
 
+yargs-parser@^18.1.2:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs@^15.3.1:
+  version "15.4.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"
+  integrity sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
+  dependencies:
+    cliui "^6.0.0"
+    decamelize "^1.2.0"
+    find-up "^4.1.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^4.2.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^18.1.2"
+
 yocto-queue@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"