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6 changed files with 96 additions and 121 deletions

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@ -894,11 +894,7 @@ class App extends React.Component<AppProps, AppState> {
title="Excalidraw Embedded Content"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
allowFullScreen={true}
sandbox={`${
embedLink?.sandbox?.allowSameOrigin
? "allow-same-origin"
: ""
} allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads`}
sandbox="allow-same-origin allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads"
/>
)}
</div>
@ -1090,7 +1086,7 @@ class App extends React.Component<AppProps, AppState> {
cursor: CURSOR_TYPE.MOVE,
pointerEvents: this.state.viewModeEnabled
? POINTER_EVENTS.disabled
: POINTER_EVENTS.inheritFromUI,
: POINTER_EVENTS.enabled,
}}
onPointerDown={(event) => this.handleCanvasPointerDown(event)}
onWheel={(event) => this.handleWheel(event)}

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@ -1,15 +1,11 @@
import { sanitizeUrl } from "@braintree/sanitize-url";
export const sanitizeHTMLAttribute = (html: string) => {
return html.replace(/"/g, "&quot;");
};
export const normalizeLink = (link: string) => {
link = link.trim();
if (!link) {
return link;
}
return sanitizeUrl(sanitizeHTMLAttribute(link));
return sanitizeUrl(link);
};
export const isLocalLink = (link: string | null) => {

View File

@ -12,13 +12,11 @@ import {
NonDeletedExcalidrawElement,
Theme,
} from "./types";
import { sanitizeHTMLAttribute } from "../data/url";
type EmbeddedLink =
| ({
aspectRatio: { w: number; h: number };
warning?: string;
sandbox: { allowSameOrigin?: boolean };
} & (
| { type: "video" | "generic"; link: string }
| { type: "document"; srcdoc: (theme: Theme) => string }
@ -30,21 +28,20 @@ const embeddedLinkCache = new Map<string, EmbeddedLink>();
const RE_YOUTUBE =
/^(?:http(?:s)?:\/\/)?(?:www\.)?youtu(?:be\.com|\.be)\/(embed\/|watch\?v=|shorts\/|playlist\?list=|embed\/videoseries\?list=)?([a-zA-Z0-9_-]+)(?:\?t=|&t=|\?start=|&start=)?([a-zA-Z0-9_-]+)?[^\s]*$/;
const RE_VIMEO =
/^(?:http(?:s)?:\/\/)?(?:(?:w){3}\.)?(?:player\.)?vimeo\.com\/(?:video\/)?([^?\s]+)(?:\?.*)?$/;
/^(?:http(?:s)?:\/\/)?(?:(?:w){3}.)?(?:player\.)?vimeo\.com\/(?:video\/)?([^?\s]+)(?:\?.*)?$/;
const RE_FIGMA = /^https:\/\/(?:www\.)?figma\.com/;
const RE_GH_GIST = /^https:\/\/gist\.github\.com\/([\w_-]+)\/([\w_-]+)/;
const RE_GH_GIST = /^https:\/\/gist\.github\.com/;
const RE_GH_GIST_EMBED =
/^<script[\s\S]*?\ssrc=["'](https:\/\/gist\.github\.com\/.*?)\.js["']/i;
/^<script[\s\S]*?\ssrc=["'](https:\/\/gist.github.com\/.*?)\.js["']/i;
// not anchored to start to allow <blockquote> twitter embeds
const RE_TWITTER =
/(?:https?:\/\/)?(?:(?:w){3}\.)?(?:twitter|x)\.com\/[^/]+\/status\/(\d+)/;
const RE_TWITTER = /(?:http(?:s)?:\/\/)?(?:(?:w){3}.)?twitter.com/;
const RE_TWITTER_EMBED =
/^<blockquote[\s\S]*?\shref=["'](https?:\/\/(?:twitter|x)\.com\/[^"']*)/i;
/^<blockquote[\s\S]*?\shref=["'](https:\/\/twitter.com\/[^"']*)/i;
const RE_VALTOWN =
/^https:\/\/(?:www\.)?val\.town\/(v|embed)\/[a-zA-Z_$][0-9a-zA-Z_$]+\.[a-zA-Z_$][0-9a-zA-Z_$]+/;
/^https:\/\/(?:www\.)?val.town\/(v|embed)\/[a-zA-Z_$][0-9a-zA-Z_$]+\.[a-zA-Z_$][0-9a-zA-Z_$]+/;
const RE_GENERIC_EMBED =
/^<(?:iframe|blockquote)[\s\S]*?\s(?:src|href)=["']([^"']*)["'][\s\S]*?>$/i;
@ -63,18 +60,6 @@ const ALLOWED_DOMAINS = new Set([
"val.town",
]);
const ALLOW_SAME_ORIGIN = new Set([
"youtube.com",
"youtu.be",
"vimeo.com",
"player.vimeo.com",
"figma.com",
"twitter.com",
"x.com",
"*.simplepdf.eu",
"stackblitz.com",
]);
const createSrcDoc = (body: string) => {
return `<html><body>${body}</body></html>`;
};
@ -90,10 +75,6 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
const originalLink = link;
const allowSameOrigin = ALLOW_SAME_ORIGIN.has(
matchHostname(link, ALLOW_SAME_ORIGIN) || "",
);
let type: "video" | "generic" = "generic";
let aspectRatio = { w: 560, h: 840 };
const ytLink = link.match(RE_YOUTUBE);
@ -116,13 +97,8 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
break;
}
aspectRatio = isPortrait ? { w: 315, h: 560 } : { w: 560, h: 315 };
embeddedLinkCache.set(originalLink, {
link,
aspectRatio,
type,
sandbox: { allowSameOrigin },
});
return { link, aspectRatio, type, sandbox: { allowSameOrigin } };
embeddedLinkCache.set(originalLink, { link, aspectRatio, type });
return { link, aspectRatio, type };
}
const vimeoLink = link.match(RE_VIMEO);
@ -136,13 +112,8 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
aspectRatio = { w: 560, h: 315 };
//warning deliberately ommited so it is displayed only once per link
//same link next time will be served from cache
embeddedLinkCache.set(originalLink, {
link,
aspectRatio,
type,
sandbox: { allowSameOrigin },
});
return { link, aspectRatio, type, warning, sandbox: { allowSameOrigin } };
embeddedLinkCache.set(originalLink, { link, aspectRatio, type });
return { link, aspectRatio, type, warning };
}
const figmaLink = link.match(RE_FIGMA);
@ -152,81 +123,75 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
link,
)}`;
aspectRatio = { w: 550, h: 550 };
embeddedLinkCache.set(originalLink, {
link,
aspectRatio,
type,
sandbox: { allowSameOrigin },
});
return { link, aspectRatio, type, sandbox: { allowSameOrigin } };
embeddedLinkCache.set(originalLink, { link, aspectRatio, type });
return { link, aspectRatio, type };
}
const valLink = link.match(RE_VALTOWN);
if (valLink) {
link =
valLink[1] === "embed" ? valLink[0] : valLink[0].replace("/v", "/embed");
embeddedLinkCache.set(originalLink, {
link,
aspectRatio,
type,
sandbox: { allowSameOrigin },
});
return { link, aspectRatio, type, sandbox: { allowSameOrigin } };
embeddedLinkCache.set(originalLink, { link, aspectRatio, type });
return { link, aspectRatio, type };
}
if (RE_TWITTER.test(link)) {
const postId = link.match(RE_TWITTER)![1];
// the embed srcdoc still supports twitter.com domain only.
// Note that we don't attempt to parse the username as it can consist of
// non-latin1 characters, and the username in the url can be set to anything
// without affecting the embed.
const safeURL = sanitizeHTMLAttribute(
`https://twitter.com/x/status/${postId}`,
);
const ret: EmbeddedLink = {
type: "document",
srcdoc: (theme: string) =>
createSrcDoc(
`<blockquote class="twitter-tweet" data-dnt="true" data-theme="${theme}"><a href="${safeURL}"></a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>`,
),
aspectRatio: { w: 480, h: 480 },
sandbox: { allowSameOrigin },
};
let ret: EmbeddedLink;
// assume embed code
if (/<blockquote/.test(link)) {
const srcDoc = createSrcDoc(link);
ret = {
type: "document",
srcdoc: () => srcDoc,
aspectRatio: { w: 480, h: 480 },
};
// assume regular tweet url
} else {
ret = {
type: "document",
srcdoc: (theme: string) =>
createSrcDoc(
`<blockquote class="twitter-tweet" data-dnt="true" data-theme="${theme}"><a href="${link}"></a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>`,
),
aspectRatio: { w: 480, h: 480 },
};
}
embeddedLinkCache.set(originalLink, ret);
return ret;
}
if (RE_GH_GIST.test(link)) {
const [, user, gistId] = link.match(RE_GH_GIST)!;
const safeURL = sanitizeHTMLAttribute(
`https://gist.github.com/${user}/${gistId}`,
);
const ret: EmbeddedLink = {
type: "document",
srcdoc: () =>
createSrcDoc(`
<script src="${safeURL}.js"></script>
let ret: EmbeddedLink;
// assume embed code
if (/<script>/.test(link)) {
const srcDoc = createSrcDoc(link);
ret = {
type: "document",
srcdoc: () => srcDoc,
aspectRatio: { w: 550, h: 720 },
};
// assume regular url
} else {
ret = {
type: "document",
srcdoc: () =>
createSrcDoc(`
<script src="${link}.js"></script>
<style type="text/css">
* { margin: 0px; }
table, .gist { height: 100%; }
.gist .gist-file { height: calc(100vh - 2px); padding: 0px; display: grid; grid-template-rows: 1fr auto; }
</style>
`),
aspectRatio: { w: 550, h: 720 },
sandbox: { allowSameOrigin },
};
aspectRatio: { w: 550, h: 720 },
};
}
embeddedLinkCache.set(link, ret);
return ret;
}
embeddedLinkCache.set(link, {
link,
aspectRatio,
type,
sandbox: { allowSameOrigin },
});
return { link, aspectRatio, type, sandbox: { allowSameOrigin } };
embeddedLinkCache.set(link, { link, aspectRatio, type });
return { link, aspectRatio, type };
};
export const isEmbeddableOrFrameLabel = (
@ -301,39 +266,34 @@ export const actionSetEmbeddableAsActiveTool = register({
},
});
const matchHostname = (
const validateHostname = (
url: string,
/** using a Set assumes it already contains normalized bare domains */
allowedHostnames: Set<string> | string,
): string | null => {
): boolean => {
try {
const { hostname } = new URL(url);
const bareDomain = hostname.replace(/^www\./, "");
const bareDomainWithFirstSubdomainWildcarded = bareDomain.replace(
/^([^.]+)/,
"*",
);
if (allowedHostnames instanceof Set) {
if (ALLOWED_DOMAINS.has(bareDomain)) {
return bareDomain;
}
const bareDomainWithFirstSubdomainWildcarded = bareDomain.replace(
/^([^.]+)/,
"*",
return (
ALLOWED_DOMAINS.has(bareDomain) ||
ALLOWED_DOMAINS.has(bareDomainWithFirstSubdomainWildcarded)
);
if (ALLOWED_DOMAINS.has(bareDomainWithFirstSubdomainWildcarded)) {
return bareDomainWithFirstSubdomainWildcarded;
}
return null;
}
const bareAllowedHostname = allowedHostnames.replace(/^www\./, "");
if (bareDomain === bareAllowedHostname) {
return bareAllowedHostname;
if (bareDomain === allowedHostnames.replace(/^www\./, "")) {
return true;
}
} catch (error) {
// ignore
}
return null;
return false;
};
export const extractSrc = (htmlString: string): string => {
@ -378,7 +338,7 @@ export const embeddableURLValidator = (
if (url.match(domain)) {
return true;
}
} else if (matchHostname(url, domain)) {
} else if (validateHostname(url, domain)) {
return true;
}
}
@ -386,5 +346,5 @@ export const embeddableURLValidator = (
}
}
return !!matchHostname(url, ALLOWED_DOMAINS);
return validateHostname(url, ALLOWED_DOMAINS);
};

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@ -11,6 +11,22 @@ The change should be grouped under one of the below section and must contain PR
Please add the latest change on the top under the correct section.
-->
## 0.16.1 (2023-09-21)
## Excalidraw Library
**_This section lists the updates made to the excalidraw library and will not affect the integration._**
### Fixes
- More eye-droper fixes [#7019](https://github.com/excalidraw/excalidraw/pull/7019)
### Refactor
- Move excalidraw-app outside src [#6987](https://github.com/excalidraw/excalidraw/pull/6987)
---
## 0.16.0 (2023-09-19)
- Support creating containers, linear elements, text containers, labelled arrows and arrow bindings programatically [#6546](https://github.com/excalidraw/excalidraw/pull/6546)

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@ -1,6 +1,6 @@
{
"name": "@excalidraw/excalidraw",
"version": "0.16.4",
"version": "0.16.1",
"main": "main.js",
"types": "types/packages/excalidraw/index.d.ts",
"files": [

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@ -22,5 +22,12 @@ const polyfill = () => {
configurable: true,
});
}
if (!Element.prototype.replaceChildren) {
Element.prototype.replaceChildren = function (...nodes) {
this.innerHTML = "";
this.append(...nodes);
};
}
};
export default polyfill;