2018-11-24 20:58:38 +01:00
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"use strict";
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2024-07-18 21:37:45 +03:00
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import mimeTypes from "mime-types";
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import html from "html";
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2025-01-02 13:47:44 +01:00
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import { getContentDisposition, escapeHtml } from "../utils.js";
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2024-07-18 21:35:17 +03:00
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import mdService from "./md.js";
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import becca from "../../becca/becca.js";
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import TaskContext from "../task_context.js";
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import BBranch from "../../becca/entities/bbranch.js";
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2025-01-09 18:07:02 +02:00
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import { Response } from "express";
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2024-02-19 22:12:00 +02:00
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function exportSingleNote(taskContext: TaskContext, branch: BBranch, format: "html" | "markdown", res: Response) {
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2020-06-20 12:31:38 +02:00
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const note = branch.getNote();
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2018-11-24 20:58:38 +01:00
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2025-01-09 18:07:02 +02:00
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if (note.type === "image" || note.type === "file") {
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2023-05-03 23:17:07 +02:00
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return [400, `Note type '${note.type}' cannot be exported as single file.`];
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2018-11-24 20:58:38 +01:00
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}
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2025-01-09 18:07:02 +02:00
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if (format !== "html" && format !== "markdown") {
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2023-05-03 23:17:07 +02:00
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return [400, `Unrecognized format '${format}'`];
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2018-11-24 20:58:38 +01:00
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}
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let payload, extension, mime;
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2020-06-20 12:31:38 +02:00
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let content = note.getContent();
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2024-02-19 22:12:00 +02:00
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if (typeof content !== "string") {
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2024-04-11 19:49:01 +03:00
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throw new Error("Unsupported content type for export.");
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2024-02-19 22:12:00 +02:00
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}
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2019-02-06 21:29:23 +01:00
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2025-01-09 18:07:02 +02:00
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if (note.type === "text") {
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if (format === "html") {
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2023-05-29 23:42:08 +02:00
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content = inlineAttachments(content);
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2023-05-03 23:17:07 +02:00
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2019-03-26 22:24:04 +01:00
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if (!content.toLowerCase().includes("<html")) {
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2022-12-21 15:19:05 +01:00
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content = `<html><head><meta charset="utf-8"></head><body>${content}</body></html>`;
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2019-01-25 21:34:14 +01:00
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}
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2025-01-09 18:07:02 +02:00
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payload = content.length < 100_000 ? html.prettyPrint(content, { indent_size: 2 }) : content;
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2023-05-29 23:42:08 +02:00
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2025-01-09 18:07:02 +02:00
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extension = "html";
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mime = "text/html";
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} else if (format === "markdown") {
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2019-09-30 20:56:32 +02:00
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payload = mdService.toMarkdown(content);
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2025-01-09 18:07:02 +02:00
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extension = "md";
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mime = "text/x-markdown";
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2018-11-24 20:58:38 +01:00
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}
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2025-01-09 18:07:02 +02:00
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} else if (note.type === "code") {
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2019-03-26 22:24:04 +01:00
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payload = content;
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2025-01-09 18:07:02 +02:00
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extension = mimeTypes.extension(note.mime) || "code";
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2018-11-24 20:58:38 +01:00
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mime = note.mime;
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2025-01-09 18:07:02 +02:00
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} else if (note.type === "relationMap" || note.type === "canvas" || note.type === "search") {
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2019-03-26 22:24:04 +01:00
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payload = content;
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2025-01-09 18:07:02 +02:00
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extension = "json";
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mime = "application/json";
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2018-11-24 20:58:38 +01:00
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}
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2023-05-03 23:17:07 +02:00
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const fileName = `${note.title}.${extension}`;
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2018-11-24 20:58:38 +01:00
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2025-01-09 18:07:02 +02:00
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res.setHeader("Content-Disposition", getContentDisposition(fileName));
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res.setHeader("Content-Type", `${mime}; charset=UTF-8`);
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2018-11-24 20:58:38 +01:00
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res.send(payload);
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2019-02-10 22:30:55 +01:00
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2019-10-18 22:27:38 +02:00
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taskContext.increaseProgressCount();
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taskContext.taskSucceeded();
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2018-11-24 20:58:38 +01:00
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}
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2024-02-19 22:12:00 +02:00
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function inlineAttachments(content: string) {
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2023-07-13 23:54:47 +02:00
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content = content.replace(/src="[^"]*api\/images\/([a-zA-Z0-9_]+)\/?[^"]+"/g, (match, noteId) => {
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const note = becca.getNote(noteId);
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2025-01-09 18:07:02 +02:00
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if (!note || !note.mime.startsWith("image/")) {
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2023-07-13 23:54:47 +02:00
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return match;
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}
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const imageContent = note.getContent();
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if (!Buffer.isBuffer(imageContent)) {
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return match;
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}
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2025-01-09 18:07:02 +02:00
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const base64Content = imageContent.toString("base64");
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2023-07-13 23:54:47 +02:00
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const srcValue = `data:${note.mime};base64,${base64Content}`;
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return `src="${srcValue}"`;
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});
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2023-05-29 23:42:08 +02:00
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content = content.replace(/src="[^"]*api\/attachments\/([a-zA-Z0-9_]+)\/image\/?[^"]+"/g, (match, attachmentId) => {
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const attachment = becca.getAttachment(attachmentId);
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2025-01-09 18:07:02 +02:00
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if (!attachment || !attachment.mime.startsWith("image/")) {
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2023-05-29 23:42:08 +02:00
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return match;
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}
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2023-05-03 23:17:07 +02:00
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2023-05-29 23:42:08 +02:00
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const attachmentContent = attachment.getContent();
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if (!Buffer.isBuffer(attachmentContent)) {
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return match;
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2023-05-03 23:17:07 +02:00
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}
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2025-01-09 18:07:02 +02:00
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const base64Content = attachmentContent.toString("base64");
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2023-05-29 23:42:08 +02:00
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const srcValue = `data:${attachment.mime};base64,${base64Content}`;
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return `src="${srcValue}"`;
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});
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content = content.replace(/href="[^"]*#root[^"]*attachmentId=([a-zA-Z0-9_]+)\/?"/g, (match, attachmentId) => {
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const attachment = becca.getAttachment(attachmentId);
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if (!attachment) {
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return match;
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2023-05-03 23:17:07 +02:00
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}
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const attachmentContent = attachment.getContent();
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if (!Buffer.isBuffer(attachmentContent)) {
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2023-05-29 23:42:08 +02:00
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return match;
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2023-05-03 23:17:07 +02:00
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}
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2025-01-09 18:07:02 +02:00
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const base64Content = attachmentContent.toString("base64");
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2023-05-29 23:42:08 +02:00
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const hrefValue = `data:${attachment.mime};base64,${base64Content}`;
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2023-05-03 23:17:07 +02:00
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2025-01-02 13:47:44 +01:00
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return `href="${hrefValue}" download="${escapeHtml(attachment.title)}"`;
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2023-05-29 23:42:08 +02:00
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});
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2023-05-03 23:17:07 +02:00
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return content;
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}
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2024-07-18 21:42:44 +03:00
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export default {
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2018-11-24 20:58:38 +01:00
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exportSingleNote
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2020-06-20 12:31:38 +02:00
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};
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