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add support for sharing canvas-note

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This commit is contained in:
Tom 2022-04-11 21:38:05 +02:00
parent f354821f25
commit e365521d5e
1 changed files with 35 additions and 7 deletions
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42
src/share/routes.js
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@ -1,3 +1,5 @@
const excalidrawToSvg = require("excalidraw-to-svg");
const shaca = require("./shaca/shaca");
const shacaLoader = require("./shaca/shaca_loader");
const shareRoot = require("./share_root");
@ -112,15 +114,41 @@ function register(router) {
if (!image) {
return res.status(404).send(`Note ${noteId} not found`);
}
else if (image.type !== 'image') {
return res.status(400).send("Requested note is not an image");
else if (!["image", "canvas-note"].includes(image.type)) {
return res.status(400).send("Requested note is not a shareable image");
} else if (image.type === "canvas-note") {
/**
* FIXME: deduplicate the code from api/image.js
*/
// render the svg in node.js using excalidraw and jsdom
const content = image.getContent();
try {
const data = JSON.parse(content)
const excalidrawData = {
type: "excalidraw",
version: 2,
source: "trilium",
elements: data.elements,
appState: data.appState,
files: data.files,
}
excalidrawToSvg(excalidrawData)
.then(svg => {
const svgHtml = svg.outerHTML;
res.set('Content-Type', "image/svg+xml");
res.set("Cache-Control", "no-cache, no-store, must-revalidate");
res.send(svgHtml);
});
} catch(err) {
res.status(500).send("there was an error parsing excalidraw to svg");
}
} else {
// normal image
res.set('Content-Type', image.mime);
res.send(image.getContent());
}
addNoIndexHeader(image, res);
res.set('Content-Type', image.mime);
res.send(image.getContent());
});
// used for PDF viewing