| 1 | import { ipcMain } from 'electron' |
| 2 | import path from 'path' |
| 3 | import fs from 'fs' |
| 4 | import { extractPagesDataFromIndex } from './template-builder' |
| 5 | import type { IpcContext } from '../ipc/context' |
| 6 | |
| 7 | export function registerPreviewHandlers(ctx: IpcContext): void { |
| 8 | const { parsePathPayload, normalizeSessionId, assertPathInAllowedRoots } = ctx |
| 9 | |
| 10 | ipcMain.handle('preview:load', async (_event, payload, legacySessionId?: string) => { |
| 11 | const parsed = parsePathPayload(payload, 'htmlPath') |
| 12 | const sessionId = parsed.sessionId ?? normalizeSessionId(legacySessionId) |
| 13 | const safeHtmlPath = await assertPathInAllowedRoots({ |
| 14 | filePath: parsed.filePath, |
| 15 | mode: 'read', |
| 16 | sessionId, |
| 17 | htmlOnly: true |
| 18 | }) |
| 19 | return fs.promises.readFile(safeHtmlPath, 'utf-8') |
| 20 | }) |
| 21 | |
| 22 | ipcMain.handle( |
| 23 | 'preview:loadPage', |
| 24 | async (_event, payloadOrHtmlPath: unknown, legacyPageId?: string, legacySessionId?: string) => { |
| 25 | let htmlPath = '' |
| 26 | let pageId = '' |
| 27 | let sessionId: string | undefined |
| 28 | if (payloadOrHtmlPath && typeof payloadOrHtmlPath === 'object') { |
| 29 | const payload = payloadOrHtmlPath as { |
| 30 | htmlPath?: unknown |
| 31 | path?: unknown |
| 32 | pageId?: unknown |
| 33 | sessionId?: unknown |
| 34 | } |
| 35 | htmlPath = |
| 36 | typeof payload.htmlPath === 'string' |
| 37 | ? payload.htmlPath |
| 38 | : typeof payload.path === 'string' |
| 39 | ? payload.path |
| 40 | : '' |
| 41 | pageId = typeof payload.pageId === 'string' ? payload.pageId : '' |
| 42 | sessionId = normalizeSessionId(payload.sessionId) |
| 43 | } else { |
| 44 | htmlPath = typeof payloadOrHtmlPath === 'string' ? payloadOrHtmlPath : '' |
| 45 | pageId = typeof legacyPageId === 'string' ? legacyPageId : '' |
| 46 | sessionId = normalizeSessionId(legacySessionId) |
| 47 | } |
| 48 | const normalizedPageId = pageId.trim() |
| 49 | if (!normalizedPageId) { |
| 50 | throw new Error('pageId 不能为空') |
| 51 | } |
| 52 | const safeHtmlPath = await assertPathInAllowedRoots({ |
| 53 | filePath: htmlPath, |
| 54 | mode: 'read', |
| 55 | sessionId, |
| 56 | htmlOnly: true |
| 57 | }) |
| 58 | const isPageFile = path.basename(safeHtmlPath).toLowerCase() !== 'index.html' |
| 59 | if (isPageFile) { |
| 60 | const html = await fs.promises.readFile(safeHtmlPath, 'utf-8') |
| 61 | const numberMatch = safeHtmlPath.match(/page-(\d+)\.html?$/i) |
| 62 | const pageNumber = numberMatch ? Number(numberMatch[1]) : 1 |
| 63 | return { |
| 64 | pageNumber, |
| 65 | pageId: normalizedPageId, |
| 66 | title: `Page ${pageNumber}`, |
| 67 | html |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | const indexHtml = await fs.promises.readFile(safeHtmlPath, 'utf-8') |
| 72 | const pages = extractPagesDataFromIndex(indexHtml) |
| 73 | const page = pages.find((p) => p.id === normalizedPageId || p.pageId === normalizedPageId) |
| 74 | if (!page) throw new Error(`Page ${normalizedPageId} not found in ${safeHtmlPath}`) |
| 75 | if (page.htmlPath) { |
| 76 | const resolvedPagePath = path.resolve(path.dirname(safeHtmlPath), page.htmlPath) |
| 77 | const safeResolvedPagePath = await assertPathInAllowedRoots({ |
| 78 | filePath: resolvedPagePath, |
| 79 | mode: 'read', |
| 80 | sessionId, |
| 81 | htmlOnly: true |
| 82 | }) |
| 83 | const html = await fs.promises.readFile(safeResolvedPagePath, 'utf-8') |
| 84 | return { |
| 85 | pageNumber: page.pageNumber, |
| 86 | pageId: page.pageId, |
| 87 | title: page.title, |
| 88 | html |
| 89 | } |
| 90 | } |
| 91 | return page |
| 92 | } |
| 93 | ) |
| 94 | } |
| 95 |