Remove unused ebook routes

This commit is contained in:
advplyr 2023-04-03 17:33:02 -05:00
parent ef954ee68f
commit 05b102722b
5 changed files with 0 additions and 369 deletions

View File

@ -35,7 +35,6 @@ const AudioMetadataMangaer = require('./managers/AudioMetadataManager')
const RssFeedManager = require('./managers/RssFeedManager')
const CronManager = require('./managers/CronManager')
const TaskManager = require('./managers/TaskManager')
const EBookManager = require('./managers/EBookManager')
class Server {
constructor(SOURCE, PORT, HOST, UID, GID, CONFIG_PATH, METADATA_PATH, ROUTER_BASE_PATH) {
@ -75,7 +74,6 @@ class Server {
this.podcastManager = new PodcastManager(this.db, this.watcher, this.notificationManager, this.taskManager)
this.audioMetadataManager = new AudioMetadataMangaer(this.db, this.taskManager)
this.rssFeedManager = new RssFeedManager(this.db)
this.eBookManager = new EBookManager(this.db)
this.scanner = new Scanner(this.db, this.coverManager)
this.cronManager = new CronManager(this.db, this.scanner, this.podcastManager)

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@ -1,52 +0,0 @@
const Logger = require('../Logger')
const { isNullOrNaN } = require('../utils/index')
class EBookController {
constructor() { }
async getEbookInfo(req, res) {
const isDev = req.query.dev == 1
const json = await this.eBookManager.getBookInfo(req.libraryItem, req.user, isDev)
res.json(json)
}
async getEbookPage(req, res) {
if (isNullOrNaN(req.params.page)) {
return res.status(400).send('Invalid page params')
}
const isDev = req.query.dev == 1
const pageIndex = Number(req.params.page)
const page = await this.eBookManager.getBookPage(req.libraryItem, req.user, pageIndex, isDev)
if (!page) {
return res.status(500).send('Failed to get page')
}
res.send(page)
}
async getEbookResource(req, res) {
if (!req.query.path) {
return res.status(400).send('Invalid query path')
}
const isDev = req.query.dev == 1
this.eBookManager.getBookResource(req.libraryItem, req.user, req.query.path, isDev, res)
}
middleware(req, res, next) {
const item = this.db.libraryItems.find(li => li.id === req.params.id)
if (!item || !item.media) return res.sendStatus(404)
// Check user can access this library item
if (!req.user.checkCanAccessLibraryItem(item)) {
return res.sendStatus(403)
}
if (!item.isBook || !item.media.ebookFile) {
return res.status(400).send('Invalid ebook library item')
}
req.libraryItem = item
next()
}
}
module.exports = new EBookController()

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@ -1,80 +0,0 @@
const Logger = require('../Logger')
const StreamZip = require('../libs/nodeStreamZip')
const parseEpub = require('../utils/parsers/parseEpub')
class EBookManager {
constructor() {
this.extractedEpubs = {}
}
async extractBookData(libraryItem, user, isDev = false) {
if (!libraryItem || !libraryItem.isBook || !libraryItem.media.ebookFile) return null
if (this.extractedEpubs[libraryItem.id]) return this.extractedEpubs[libraryItem.id]
const ebookFile = libraryItem.media.ebookFile
if (!ebookFile.isEpub) {
Logger.error(`[EBookManager] get book data is not supported for format ${ebookFile.ebookFormat}`)
return null
}
this.extractedEpubs[libraryItem.id] = await parseEpub.parse(ebookFile, libraryItem.id, user.token, isDev)
return this.extractedEpubs[libraryItem.id]
}
async getBookInfo(libraryItem, user, isDev = false) {
if (!libraryItem || !libraryItem.isBook || !libraryItem.media.ebookFile) return null
const bookData = await this.extractBookData(libraryItem, user, isDev)
return {
title: libraryItem.media.metadata.title,
pages: bookData.pages.length
}
}
async getBookPage(libraryItem, user, pageIndex, isDev = false) {
if (!libraryItem || !libraryItem.isBook || !libraryItem.media.ebookFile) return null
const bookData = await this.extractBookData(libraryItem, user, isDev)
const pageObj = bookData.pages[pageIndex]
if (!pageObj) {
return null
}
const parsed = await parseEpub.parsePage(pageObj.path, bookData, libraryItem.id, user.token, isDev)
if (parsed.error) {
Logger.error(`[EBookManager] Failed to parse epub page at "${pageObj.path}"`, parsed.error)
return null
}
return parsed.html
}
async getBookResource(libraryItem, user, resourcePath, isDev = false, res) {
if (!libraryItem || !libraryItem.isBook || !libraryItem.media.ebookFile) return res.sendStatus(500)
const bookData = await this.extractBookData(libraryItem, user, isDev)
const resourceItem = bookData.resources.find(r => r.path === resourcePath)
if (!resourceItem) {
return res.status(404).send('Resource not found')
}
const zip = new StreamZip.async({ file: bookData.filepath })
const stm = await zip.stream(resourceItem.path)
res.set('content-type', resourceItem['media-type'])
stm.pipe(res)
stm.on('end', () => {
zip.close()
})
}
}
module.exports = EBookManager

View File

@ -24,7 +24,6 @@ const SearchController = require('../controllers/SearchController')
const CacheController = require('../controllers/CacheController')
const ToolsController = require('../controllers/ToolsController')
const RSSFeedController = require('../controllers/RSSFeedController')
const EBookController = require('../controllers/EBookController')
const MiscController = require('../controllers/MiscController')
const BookFinder = require('../finders/BookFinder')
@ -52,7 +51,6 @@ class ApiRouter {
this.cronManager = Server.cronManager
this.notificationManager = Server.notificationManager
this.taskManager = Server.taskManager
this.eBookManager = Server.eBookManager
this.bookFinder = new BookFinder()
this.authorFinder = new AuthorFinder()
@ -284,13 +282,6 @@ class ApiRouter {
this.router.post('/feeds/series/:seriesId/open', RSSFeedController.middleware.bind(this), RSSFeedController.openRSSFeedForSeries.bind(this))
this.router.post('/feeds/:id/close', RSSFeedController.middleware.bind(this), RSSFeedController.closeRSSFeed.bind(this))
//
// EBook Routes
//
this.router.get('/ebooks/:id/info', EBookController.middleware.bind(this), EBookController.getEbookInfo.bind(this))
this.router.get('/ebooks/:id/page/:page', EBookController.middleware.bind(this), EBookController.getEbookPage.bind(this))
this.router.get('/ebooks/:id/resource', EBookController.middleware.bind(this), EBookController.getEbookResource.bind(this))
//
// Misc Routes
//

View File

@ -1,226 +0,0 @@
const Path = require('path')
const h = require('htmlparser2')
const ds = require('dom-serializer')
const Logger = require('../../Logger')
const StreamZip = require('../../libs/nodeStreamZip')
const css = require('../../libs/css')
const { xmlToJSON } = require('../index.js')
module.exports.parse = async (ebookFile, libraryItemId, token, isDev) => {
const zip = new StreamZip.async({ file: ebookFile.metadata.path })
const containerXml = await zip.entryData('META-INF/container.xml')
const containerJson = await xmlToJSON(containerXml.toString('utf8'))
const packageOpfPath = containerJson.container.rootfiles[0].rootfile[0].$['full-path']
const packageOpfDir = Path.dirname(packageOpfPath)
const packageDoc = await zip.entryData(packageOpfPath)
const packageJson = await xmlToJSON(packageDoc.toString('utf8'))
const pages = []
let manifestItems = packageJson.package.manifest[0].item.map(item => item.$)
const spineItems = packageJson.package.spine[0].itemref.map(ref => ref.$.idref)
for (const spineItem of spineItems) {
const mi = manifestItems.find(i => i.id === spineItem)
if (mi) {
manifestItems = manifestItems.filter(_mi => _mi.id !== mi.id) // Remove from manifest items
mi.path = Path.posix.join(packageOpfDir, mi.href)
pages.push(mi)
} else {
Logger.error('[parseEpub] Invalid spine item', spineItem)
}
}
const stylesheets = []
const resources = []
for (const manifestItem of manifestItems) {
manifestItem.path = Path.posix.join(packageOpfDir, manifestItem.href)
if (manifestItem['media-type'] === 'text/css') {
const stylesheetData = await zip.entryData(manifestItem.path)
const modifiedCss = this.parseStylesheet(stylesheetData.toString('utf8'), manifestItem.path, libraryItemId, token, isDev)
if (modifiedCss) {
manifestItem.style = modifiedCss
stylesheets.push(manifestItem)
} else {
Logger.error(`[parseEpub] Invalid stylesheet "${manifestItem.path}"`)
}
} else {
resources.push(manifestItem)
}
}
await zip.close()
return {
filepath: ebookFile.metadata.path,
epubVersion: packageJson.package.$.version,
packageDir: packageOpfDir,
resources,
stylesheets,
pages
}
}
module.exports.parsePage = async (pagePath, bookData, libraryItemId, token, isDev) => {
const pageDir = Path.dirname(pagePath)
const zip = new StreamZip.async({ file: bookData.filepath })
const pageData = await zip.entryData(pagePath)
await zip.close()
const rawHtml = pageData.toString('utf8')
const results = {}
const dh = new h.DomHandler((err, dom) => {
if (err) return results.error = err
// Get stylesheets
const isStylesheetLink = (elem) => elem.type == 'tag' && elem.name.toLowerCase() === 'link' && elem.attribs.rel === 'stylesheet' && elem.attribs.type === 'text/css'
const stylesheets = h.DomUtils.findAll(isStylesheetLink, dom)
// Get body tag
const isBodyTag = (elem) => elem.type == 'tag' && elem.name.toLowerCase() == 'body'
const body = h.DomUtils.findOne(isBodyTag, dom)
// Get all svg elements
const isSvgTag = (name) => ['svg'].includes((name || '').toLowerCase())
const svgElements = h.DomUtils.getElementsByTagName(isSvgTag, body.children)
svgElements.forEach((el) => {
if (el.attribs.class) el.attribs.class += ' abs-svg-scale'
else el.attribs.class = 'abs-svg-scale'
})
// Get all img elements
const isImageTag = (name) => ['img', 'image'].includes((name || '').toLowerCase())
const imgElements = h.DomUtils.getElementsByTagName(isImageTag, body.children)
imgElements.forEach(el => {
if (!el.attribs.src && !el.attribs['xlink:href']) {
Logger.warn('[parseEpub] parsePage: Invalid img element attribs', el.attribs)
return
}
if (el.attribs.class) el.attribs.class += ' abs-image-scale'
else el.attribs.class = 'abs-image-scale'
const srcKey = el.attribs.src ? 'src' : 'xlink:href'
const src = encodeURIComponent(Path.posix.join(pageDir, el.attribs[srcKey]))
const basePath = isDev ? 'http://localhost:3333' : ''
el.attribs[srcKey] = `${basePath}/api/ebooks/${libraryItemId}/resource?path=${src}&token=${token}`
})
let finalHtml = '<div class="abs-page-content" style="max-height: unset; margin-left: 15% !important; margin-right: 15% !important;">'
stylesheets.forEach((el) => {
const href = Path.posix.join(pageDir, el.attribs.href)
const ssObj = bookData.stylesheets.find(sso => sso.path === href)
// find @import css and add it
const importSheets = getStylesheetImports(ssObj.style, bookData.stylesheets)
if (importSheets) {
importSheets.forEach((sheet) => {
finalHtml += `<style>${sheet.style}</style>\n`
})
}
if (!ssObj) {
Logger.warn('[parseEpub] parsePage: Stylesheet object not found for href', href)
} else {
finalHtml += `<style>${ssObj.style}</style>\n`
}
})
finalHtml += `<style>
.abs-image-scale { max-width: 100%; object-fit: contain; object-position: top center; max-height: 100vh; }
.abs-svg-scale { width: auto; max-height: 80vh; }
</style>\n`
finalHtml += ds.render(body.children)
finalHtml += '\n</div>'
results.html = finalHtml
})
const parser = new h.Parser(dh)
parser.write(rawHtml)
parser.end()
return results
}
module.exports.parseStylesheet = (rawCss, stylesheetPath, libraryItemId, token, isDev) => {
try {
const stylesheetDir = Path.dirname(stylesheetPath)
const res = css.parse(rawCss)
res.stylesheet.rules.forEach((rule) => {
if (rule.type === 'rule') {
rule.selectors = rule.selectors.map(s => s === 'body' ? '.abs-page-content' : `.abs-page-content ${s}`)
} else if (rule.type === 'font-face' && rule.declarations) {
rule.declarations = rule.declarations.map(dec => {
if (dec.property === 'src') {
const match = dec.value.trim().split(' ').shift().match(/url\((.+)\)/)
if (match && match[1]) {
const fontPath = Path.posix.join(stylesheetDir, match[1])
const newSrc = encodeURIComponent(fontPath)
const basePath = isDev ? 'http://localhost:3333' : ''
dec.value = dec.value.replace(match[1], `"${basePath}/api/ebooks/${libraryItemId}/resource?path=${newSrc}&token=${token}"`)
}
}
return dec
})
} else if (rule.type === 'import') {
const importUrl = rule.import
const match = importUrl.match(/\"(.*)\"/)
const path = match ? match[1] || '' : ''
if (path) {
// const newSrc = encodeURIComponent(Path.posix.join(stylesheetDir, path))
// const basePath = isDev ? 'http://localhost:3333' : ''
// const newPath = `"${basePath}/api/ebooks/${libraryItemId}/resource?path=${newSrc}&token=${token}"`
// rule.import = rule.import.replace(path, newPath)
rule.import = Path.posix.join(stylesheetDir, path)
}
}
})
return css.stringify(res)
} catch (error) {
Logger.error('[parseEpub] parseStylesheet: Failed', error)
return null
}
}
function getStylesheetImports(rawCss, stylesheets) {
try {
const res = css.parse(rawCss)
const imports = []
res.stylesheet.rules.forEach((rule) => {
if (rule.type === 'import') {
const importUrl = rule.import.replaceAll('"', '')
const sheet = stylesheets.find(s => s.path === importUrl)
if (sheet) imports.push(sheet)
else {
Logger.error('[parseEpub] getStylesheetImports: Sheet not found', stylesheets)
}
}
})
return imports
} catch (error) {
Logger.error('[parseEpub] getStylesheetImports: Failed', error)
return null
}
}