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EbookDownloader.js
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const readline = require('readline');
const axios = require('axios');
const qs = require('querystring');
const axiosCookieJarSupport = require('axios-cookiejar-support').default;
const tough = require('tough-cookie');
const fs = require('fs');
const PDFDoc = require('pdfkit');
const util = require('util')
const prompts = require('prompts');
const https = require('https')
const crypto = require('crypto')
var spawn = require('child_process').spawn
var Iconv = require('iconv').Iconv;
const sizeOf = require('image-size')
var HTMLParser = require('node-html-parser');
var parseString = require('xml2js').parseString;
const { stdin, stdout } = require('process');
const { resolve } = require('path');
const path = require('path');
const { url } = require('inspector');
const transformationMatrix = require('transformation-matrix')
function decomposeTSR(tsr) {
return transformationMatrix.decomposeTSR(toAffineMatrix(tsr))
}
function toAffineMatrix(tsr) {
return tsr.reduce((a, c, i) => (a[String.fromCharCode(97 + i)] = c, a), {})
}
axiosCookieJarSupport(axios);
prompts([
{
type: 'select',
name: 'publisher',
message: "Publisher",
choices: [
{
title: 'Cornelsen',
value: "cornelsen"
},
{
title: 'Klett',
value: "klett"
},
{
title: 'scook (Cornelsen) - old',
value: "scook"
},
{
title: 'Westermann',
value: "westermann"
},
{
title: 'C.C.BUCHNER - click & study',
value: "clicknstudy"
}
]
},
{
type: 'text',
name: 'email',
message: (prev, values) => values.publisher == "cornelsen" ? "Name (Empty to read from config)" : 'Email (Empty to read from config)'
},
{
type: 'password',
name: 'passwd',
message: "Pasword (Empty to read from config)",
},
{
type: 'confirm',
name: 'deleteAllOldTempImages',
message: "Delet old temp images",
initial: true
}
]).then(inputs => {
inputs.email = inputs.email || require("./config.json")?.[inputs.publisher]?.email;
inputs.passwd = inputs.passwd || require("./config.json")?.[inputs.publisher]?.passwd;
switch (inputs.publisher) {
case "cornelsen":
cornelsen(inputs.email, inputs.passwd, inputs.deleteAllOldTempImages)
break;
case "klett":
klett(inputs.email, inputs.passwd, inputs.deleteAllOldTempImages)
break;
case "scook":
scook(inputs.email, inputs.passwd, inputs.deleteAllOldTempImages)
break;
case "westermann":
westermann(inputs.email, inputs.passwd, inputs.deleteAllOldTempImages)
break;
case "clicknstudy":
clicknstudy(inputs.email, inputs.passwd, inputs.deleteAllOldTempImages)
break;
}
})
function clicknstudy(email, passwd, deleteAllOldTempImages) {
const cookieJar = new tough.CookieJar();
const axiosInstance = axios.create({
jar: cookieJar,
withCredentials: true,
headers: {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.4103.116 Safari/537.36',
}
});
axiosInstance({
method: 'get',
url: "https://www.click-and-study.de/"
}).then(async (res) => {
axiosInstance({
method: 'post',
url: "https://www.ccbuchner.de/clickandstudy/login.html?redirect=https://www.click-and-study.de/Buecher",
data: qs.stringify({
wako_email: email,
wako_passwort: passwd,
ct_redirect: "https://www.click-and-study.de/Buecher",
ct_btn_anmelden: ""
})
}).then((res) => {
const getUrl = (path) => new URL(path, "https://www.click-and-study.de/").href
const root = HTMLParser.parse(res.data);
axiosInstance({
method: 'get',
url: root.querySelector("meta[http-equiv='refresh']").getAttribute("content").split(";")[1]
}).then(async (res) => {
const root = HTMLParser.parse(res.data);
//console.log(res.data)
const books = root.querySelectorAll(".bookItem").map(book => {
return {
title: book.querySelector(".title").text,
link: getUrl(book.querySelector("a").getAttribute("href")),
}
});
var book = (await prompts([{
type: "select",
name: "book",
message: "Select a book",
choices: books.map(book => {
return {
title: book.title,
value: book
}
})
}])).book
var selectableText = (await prompts([{
type: "toggle",
name: "selectableText",
message: "Selectable text",
initial: true,
}])).selectableText
axiosInstance({
method: 'get',
url: book.link
}).then(async (res) => {
/**
* @type {{
* ajaxUrl: string,
* ajaxBookmarkUrl: string,
* ajaxSaveSpot: string,
* apiToken: string,
* apiMediaUrl: string,
* buyUrl: string,
* bookId: string,
* bookName: string,
* pageOffset: number,
* pageOffsetLabels: object<string, number>,
* startPage: number,
* endPage: number,
* onePageOnly: boolean,
* imgDir: string,
* tier: string,
* containerAId: string,
* containerBId: string
* }}
*/
var bookData = expandToNearestJSONObject(res.data, res.data.indexOf("new PDFBookPublic({") + 19)
var pageOffsetLabelsRev = Object.entries(bookData.pageOffsetLabels).reduce((result, value) => ({ ...result, [value[1]]: value[0] }), {});
var name = bookData.bookName.replace(/[^a-za-z0-9 \(\)_\-,\.]/gi, '');
var folder = ("./DownloadTemp/" + name + "/");
if (deleteAllOldTempImages && fs.existsSync(folder)) fs.rmSync(folder, {
recursive: true,
});
console.log("deleted temp files");
fs.mkdirSync(folder, {
recursive: true
});
console.log("created folder: " + folder)
var pagesData = []
console.log(`downloaded 0/${bookData.endPage} pages`)
for (var i = 0; i <= bookData.endPage - bookData.startPage; i++) {
var pageLabel = i + bookData.startPage - bookData.pageOffset;
if (pageLabel <= 0) {
pageLabel = pageOffsetLabelsRev[i + bookData.startPage];
}
var url = getUrl(bookData.imgDir + bookData.bookId + "/" + (i + bookData.startPage));
await new Promise((resolve, reject) => {
axiosInstance({
method: 'get',
url: url,
responseType: 'stream'
}).then(res => {
ffmpegProcess = spawn("ffmpeg", ["-f", "jpeg_pipe", "-i", "-", "-f", "image2", "-"]);
ffmpegProcess.stdout.pipe(fs.createWriteStream(`${folder}${zeroPad(i, 4)}-${pageLabel}.jpg`));
res.data.pipe(ffmpegProcess.stdin).on('finish', () => {
axiosInstance({
method: 'post',
url: getUrl(bookData.ajaxUrl),
data: qs.stringify({
op: "loadPage",
page: i + bookData.startPage,
id: bookData.bookId,
})
}).then((res) => {
pagesData[i] = res.data;
resolve()
}).catch(err => {
console.error(err)
console.log("error while loading page " + i + " -e505")
reject()
})
})
}).catch(err => {
console.log(err)
console.log("error while downloading pages - e504")
reject()
})
});
console.log(`\x1b[1A\x1b[2K\x1b[1GDownloaded ${i}/${bookData.endPage} pages`)
}
console.log("downloaded all pages")
var size = [pagesData[0].width, pagesData[0].height]
var doc = new PDFDoc({
size,
margins: {
top: 0,
bottom: 0,
left: 0,
right: 0
},
autoFirstPage: false,
bufferPages: true
});
doc.pipe(fs.createWriteStream(name + ".pdf"));
doc.font('./unifont-15.0.01.ttf')
var dir = fs.readdirSync(folder);
dir.sort().forEach((file, idx) => {
doc.addPage();
doc.rect(0, 0, size[0], size[1]).fill("#000000");
var thissize = sizeOf(folder + file);
var thissizefitted = {
width: Math.min(size[0] / thissize.width, size[1] / thissize.height) * thissize.width,
height: Math.min(size[0] / thissize.width, size[1] / thissize.height) * thissize.height
}
doc.image(folder + file, {
fit: size,
align: 'center',
valign: 'center'
})
if (selectableText) {
var pd = JSON.parse(pagesData[idx].data)
var outerTransform = toAffineMatrix(pd.viewport.transform)
var outerTransformTr = transformationMatrix.decomposeTSR(outerTransform)
doc.save()
doc.translate((size[0] - thissizefitted.width) / 2, (size[1] - thissizefitted.height) / 2)
doc.translate(pd.viewport.viewBox[0], pd.viewport.viewBox[1])
doc.scale((thissizefitted.width - pd.viewport.viewBox[0]) / pd.viewport.viewBox[2], (thissizefitted.height - pd.viewport.viewBox[1]) / pd.viewport.viewBox[3])
doc.transform(...pd.viewport.transform)
pd.textObjects.forEach(text => {
var transform = toAffineMatrix(text.transform)
var transformTr = transformationMatrix.decomposeTSR(transform)
transform.a /= transformTr.scale.sx
transform.b /= transformTr.scale.sx
transform.c /= transformTr.scale.sy
transform.d /= transformTr.scale.sy
doc.save()
doc.transform(...Object.values(transform))
doc.scale(1, -1)
if (text.str
&& doc.widthOfString(text.str, { lineBreak: false }) > 0
&& doc.heightOfString(text.str, { lineBreak: false }) > 0) {
doc.scale(text.width / doc.widthOfString(text.str, {
lineBreak: false
}), text.height / doc.heightOfString(text.str, {
lineBreak: false
}))
doc.opacity(0)
doc.text(text.str, 0, 0, {
lineGap: 0,
paragraphGap: 0,
lineBreak: false,
baseline: 'bottom',
align: 'left',
})
}
doc.restore()
})
doc.restore()
}
})
doc.end()
console.log("Wrote " + name + ".pdf")
}).catch(err => {
console.log(err)
console.log("Error while getting book - e503")
})
}).catch((err) => {
console.log(err)
console.log("ccbuchner booklist loading failed - e502");
})
}).catch((err) => {
console.log(err);
console.log("ccbuchner Login failed - e501");
})
}).catch((err) => {
console.log(err);
console.log("ccbuchner Login failed - e500");
})
}
function westermann(email, passwd, deleteAllOldTempImages) {
const cookieJar = new tough.CookieJar();
const axiosInstance = axios.create({
jar: cookieJar,
withCredentials: true,
headers: {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36',
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
}
});
axiosInstance({
url: "https://bibox2.westermann.de/",
method: "get"
}).then(async (res) => {
const root = HTMLParser.parse(res.data);
axiosInstance({
url: new URL(root.querySelectorAll("script").filter(l => l.getAttribute("src")?.startsWith("main"))[0].getAttribute("src"), "https://bibox2.westermann.de/").href,
method: "GET"
}).then(res => {
/**
* @type {{production: boolean, dataPrivacyUrl: string, backendUrl: string, backendLogin: boolean, frontendUrl: string, frontendUrlIOS: string, accountAdminUrl: string, changePasswordUrl: string, zsv: { live: boolean, url: string, }, sentry: { enabled: boolean, dsn: string, }, matomoUrl: string, matomoSiteId: number, maxUploadFileSize: { forTeacher: number, forUser: number, }, pingTimer: number, oauth: { loginURL: string, logoutURL: string, postLogoutRedirect: string, redirectURL: string, clientID: string, protocol: string, }}}
}}
*/
var mainjs = res.data;
var p = mainjs.match(/environmentName\w*:\w*/).index;
var environment = expandToNearestJSONObject(mainjs, p)
/*var p0 = p;
for(var braces = 0; braces != -1; p0--) {
if(mainjs[p0] == "}") braces++;
if(mainjs[p0] == "{") braces--;
}
var p1 = p;
for(var braces = 0; braces != -1; p1++) {
if(mainjs[p1] == "{") braces++;
if(mainjs[p1] == "}") braces--;
}
eval("var environment =" + mainjs.slice(p0+1,p1))*/
var codeVerifier = randomString(50)
var codeChallenge = sha256hash.update(codeVerifier).digest('base64').replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
var state = randomString(20);
axiosInstance({
url: environment.oauth.loginURL + "?client_id=" + environment.oauth.clientID + "&response_type=code&scope=openid&redirect_uri=" + environment.oauth.redirectURL + "&state=" + state + "&code_challenge_method=S256&code_challenge=" + codeChallenge,
method: "GET",
}).then(res => {
var parsedHTML = HTMLParser.parse(res.data);
var form = parsedHTML.querySelector("form");
axiosInstance({
url: "https://mein.westermann.de" + form.getAttribute("action"),
method: "post",
data: qs.stringify({
"account": email,
"password": passwd,
"remember": 0,
"action": "login",
}),
headers: {
"Content-Type": "application/x-www-form-urlencoded",
},
}).then(res => {
var fwLoginUrl = new URL(res.data.match(/window.location = "(.*)";/)[1].replaceAll(/\\\//g, "\/"));
var code = fwLoginUrl.searchParams.get("code");
if (state == fwLoginUrl.searchParams.get("state")) {
axiosInstance({
url: fwLoginUrl.href,
method: "GET",
}).then(res => {
axiosInstance({
url: `${environment.backendUrl}/token`,
method: "post",
data: qs.stringify({
code_verifier: codeVerifier,
redirect_uri: environment.oauth.redirectURL,
code
}),
}).then(res => {
/** @type {{id_token: string, token_type: string, expires_in: number, access_token: string, refresh_token: string}} */
var tokens = res.data;
axiosInstance.defaults.headers.authorization = `${tokens.token_type} ${tokens.access_token}`
axiosInstance({
url: `${environment.backendUrl}/api/user`,
method: "get",
}).then(async res => {
/** @type {{abos: Object[], addonModuleLicenses: Object[], bookLicenses: {bookId: number, id: string, isbn: string, title: string, type: string}[], canChangeZSVPassword: boolean, groupId: number, id: number, params: Object, schools: Object[], type: string, username: string}} */
var userData = res.data
var book = (await prompts([{
type: "select",
name: "book",
message: "Select a book",
choices: userData.bookLicenses.map(book => {
return {
title: book.title,
value: book
}
})
}])).book
var bookID = book.bookId;
axiosInstance({
url: `${environment.backendUrl}/api/sync/${bookID}?materialtypes[]=default&materialtypes[]=addon`,
method: "get",
}).then(async res => {
/** @typedef {{bookId: number, children: Chapter[], demo: boolean, filesize: Object, hasDemoMaterials: boolean, id: number, md5sum: Object, pagenumEnd: string, pagenumStart: string, removed: boolean, sortCode: number, title: string, type: string, version: number}} Chapter */
/** @typedef {{bookId: number, categoryId: number, chapterIds: number[], demo: number, description: Object, file: string, filesize: number, filetype: string, grades: Object, id: number, keywords: string, md5sum: string, mimetype: string, pageIds: number[], pagesCount: Object, preview_filename: string, preview_filesize: number, preview_height: Object, preview_md5sum: string, preview_url: string, preview_width: Object, price: Object, publish_date: Object, removed: number, shop_url: Object, sortCode: number, subjects: Object, title: string, type: string, version: number, zipUrl: Object}} Material */
/** @typedef {{aemDorisID: Object, bookId: number, demo: boolean, id: number, images: {filesize: number, height: number, id: number, md5sum: string, pageId: number, removed: boolean, url: string, version: number, width: number}[], internalPagenum: number, name: string, removed: boolean, type: string, version: number}} Page */
/** @type {{book: {addonmodules: Object[], chapterVersion: number, coverHash: string, coverUrl: string, demo: boolean, demoMaterials: boolean, description: string, hasZav: boolean, hidePageInput: boolean, id: number, isbn: string, lastModified: number, pageDataHash: string, pageDataSize: number, pagenum: number, publisher: string, region: string, removed: boolean, searchIndexHash: string, searchIndexSize: number, subtitle: string, title: string, version: number}[], categories: {addonModuleRelated: boolean, bookId: number, count: number, demo: number, downloadSize: number, guid: Object, id: number, removed: boolean, sortCode: number, title: string, version: number}[], chapters: Chapter[], materials: Material[], pages: Page[]}} */
var bookData = res.data;
var quality = (await prompts([{
type: "select",
name: "quality",
message: "Select the Quality",
choices: bookData.pages[0].images.map((img, idx) => {
return {
title: img.width + "x" + img.height,
value: idx
}
})
}])).quality
var selectableText = (await prompts([{
type: "toggle",
name: "selectableText",
message: "Selectable text",
initial: true,
}])).selectableText
var name = book.title.replace(/[^a-zA-Z0-9 \(\)_\-,\.]/gi, '') + "_" + `${bookData.pages[0].images[quality].width}x${bookData.pages[0].images[quality].height}`;
var folder = ("./DownloadTemp/" + name + "/");
if (deleteAllOldTempImages && fs.existsSync(folder)) fs.rmSync(folder, {
recursive: true,
});
console.log("Deleted Temp files");
fs.mkdirSync(folder, {
recursive: true
});
console.log("created Folder: " + folder)
var pageData = selectableText && await new Promise((resolve, reject) => {
console.log(`Downloading selectable Text`)
axiosInstance({
url: `${environment.backendUrl}/api/books/${bookID}/pageData`,
method: "get",
}).then(res => {
axiosInstance({
url: res.data.tempUrl,
method: "get",
}).then(async res => {
resolve(res.data);
}).catch(err => {
console.log(err)
console.log(`Could not load book text - 409`)
reject()
})
}).catch(err => {
console.log(err)
console.log(`Could not load book text - 408`)
reject()
})
})
console.log(`Downloaded 0/${bookData.pages.length} pages`)
for (var pi = 0; pi < bookData.pages.length; pi++) {
var page = bookData.pages[pi];
var url = page.images[quality].url;
await new Promise((resolve, reject) => {
axios({
url: url,
method: "get",
responseType: 'stream',
}).then((res) => {
res.data.pipe(fs.createWriteStream(`${folder}${zeroPad(pi, 4)}-${page.id}-${page.name}.${url.split(".").slice(-1)[0]}`)).on('finish', () => {
resolve();
})
}).catch(err => {
console.log(err);
console.log("Error downloading page " + pi)
resolve();
})
});
console.log(`\x1b[1A\x1b[2K\x1b[1GDownloaded ${pi + 1}/${bookData.pages.length} pages`)
}
var size = [bookData.pages[0].images[0].width, bookData.pages[0].images[0].height];
console.log("Merging into PDF");
var doc = new PDFDoc({
margins: {
top: 0,
bottom: 0,
left: 0,
right: 0
},
autoFirstPage: false,
size,
bufferPages: true,
});
doc.pipe(fs.createWriteStream(name + ".pdf"))
doc.font('./unifont-15.0.01.ttf')
var dir = fs.readdirSync(folder);
dir.sort().forEach((file, idx) => {
doc.addPage();
doc.image(folder + file, {
fit: size,
align: 'center',
valign: 'center'
});
if (selectableText) {
var thePageData = pageData[file.split("-")?.[1]]
var txts = thePageData?.txt?.split("")
txts.forEach((char, idx) => {
if (thePageData.cds[idx]) {
var [left, top, width, height] = thePageData.cds[idx].map((l, i, a) => [
() => a[0] / 1e5,
() => a[2] / 1e5,
() => (a[1] / 1e5 - a[0] / 1e5) * ((txts[idx + 1] ?? " ") == " " ? 2 : 1),
() => a[3] / 1e5 - a[2] / 1e5,
][i]()).map((l, i) => Math.round(l * size[i % 2 == 0 ? 0 : 1]));
if ((txts[idx + 1] ?? " ") == " ") char += " "
doc.save();
//doc.rect(left, top, width, height).fillOpacity(0.5).fill("#1e1e1e")
doc.translate(left, top);
if (doc.widthOfString(char, {
lineBreak: false,
}) > 0 && doc.heightOfString(char, {
lineBreak: false,
}) > 0) {
doc.scale(width / doc.widthOfString(char, {
lineBreak: false,
}), height / doc.heightOfString(char, {
lineBreak: false,
}))/*.translate(0, (doc.heightOfString(char, {
lineBreak: false,
}) / 2));*/
doc.fillOpacity(0)
doc.text(char, 0, 0, {
lineGap: 0,
paragraphGap: 0,
lineBreak: false,
baseline: 'top',
align: 'left',
});
}
doc.restore();
}
});
}
console.log(`\x1b[1A\x1b[2K\x1b[1GMerging into PDF (${idx}/${dir.length})`);
});
doc.end();
console.log("Wrote " + name + ".pdf")
}).catch(err => {
console.log(err)
console.log(`Could not load book - 407`)
})
}).catch(err => {
console.log(err)
console.log(`Could not load books - 406`)
})
}).catch(err => {
console.log(err)
console.log(`Could not tokens - 405`)
})
}).catch(err => {
console.log(err)
console.log(`Could not login - 404`)
})
} else {
console.log(`Could not login - 403`)
}
}).catch(err => {
console.log(err)
console.log(`Could not login - 402`)
})
}).catch(err => {
console.log(err)
console.log(`Could not login - 401`)
})
}).catch(err => {
console.log(err)
console.log(`Could not login - 400`)
})
}).catch((err) => {
console.log(err)
console.log(`Could not login - 399`)
})
}
var sha256hash = crypto.createHash('sha256');
function randomString(length) {
let e = "";
const n = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (let i = 0; i < length; i++) e += n.charAt(Math.floor(Math.random() * n.length));
return e
}
function cornelsen(email, passwd, deleteAllOldTempImages) {
console.log("Logging in and getting Book list")
const cookieJar = new tough.CookieJar();
const axiosInstance = axios.create({
jar: cookieJar,
withCredentials: true,
headers: {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36',
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
}
});
axiosInstance({
method: 'get',
url: 'https://www.cornelsen.de/',
}).then(res => {
axiosInstance({
method: 'get',
url: 'https://www.cornelsen.de/shop/ccustomer/oauth/autoLogin?timestamp=' + Math.floor(Date.now() / 1000),
}).then(res => {
axiosInstance({
method: 'get',
url: 'https://www.cornelsen.de/shop/ccustomer/oauth/login/?afterAuthUrl=https%3A%2F%2Fwww.cornelsen.de%2F',
}).then(res => {
var parsed = HTMLParser.parse(res.data);
var loginFormData = {};
parsed.querySelector("#loginForm").querySelectorAll("input").forEach(i => {
loginFormData[i.getAttribute("name")] = i.getAttribute("value") || "";
})
loginFormData["loginForm:username"] = email;
loginFormData["loginForm:password"] = passwd;
axiosInstance({
method: 'post',
url: 'https://id.cornelsen.de/oxauth/login.htm',
data: qs.stringify(loginFormData)
}).then(res => {
console.log("Logged in successfully")
axiosInstance({
method: 'get',
url: "https://www.cornelsen.de/shop/capiadapter/link/eBibliothek"
}).then(res => {
//console.log(cookieJar.toJSON().cookies.find(c => c.key == "cornelsen-jwt").value);
axiosInstance({
method: 'post',
url: 'https://mein.cornelsen.de/bibliothek/api',
headers: {
"authorization": "Bearer " + cookieJar.toJSON().cookies.find(c => c.key == "cornelsen-jwt").value,
"content-type": "application/json",
"accept": "*/*",
"origin": "https://mein.cornelsen.de",
},
data: {
operationName: "licenses",
query: "query licenses {\n licenses {\n activeUntil\n isExpired\n isNew\n coverUrl\n canBeStarted\n salesProduct {\n id\n url\n heading\n shortTitle\n subheading\n info\n coverUrl\n licenseModelId\n fullVersionId\n fullVersionUrl\n __typename\n }\n usageProduct {\n id\n url\n heading\n shortTitle\n subheading\n info\n coverUrl\n usagePlatformId\n __typename\n }\n __typename\n }\n}\n",
variables: {}
}
}).then(res => {
//fs.writeFileSync("./cornelsen.json", JSON.stringify(res.data, null, 2));
prompts([{
type: (prev, values) => values.publisher == "cornelsen" ? null : 'autocomplete',
name: 'license',
message: "Book",
choices: res.data?.data?.licenses?.map(l => {
return {
title: (l?.usageProduct?.heading || l?.salesProduct?.heading) + " - " + (l?.usageProduct?.subheading || l?.salesProduct?.subheading),
value: l
}
})
}]).then(async values => {
axiosInstance({
method: 'post',
url: 'https://mein.cornelsen.de/bibliothek/api',
headers: {
"authorization": "Bearer " + cookieJar.toJSON().cookies.find(c => c.key == "cornelsen-jwt").value,
"content-type": "application/json",
"accept": "*/*",
"origin": "https://mein.cornelsen.de",
},
data: {
operationName: "startProduct",
query: "mutation startProduct($productId: ProductId!) {\n startProduct(productId: $productId)\n}\n",
variables: {
productId: values.license?.usageProduct?.id || values.license?.salesProduct?.id
}
}
}).then((res) => {
console.log("Loading possible qualities")
var name = (values.license?.usageProduct?.heading || values.license?.salesProduct?.heading) + " - " + (values.license?.usageProduct?.subheading || values.license?.salesProduct?.subheading);
axiosInstance({
method: 'get',
url: res.data?.data?.startProduct
//url: 'https://produkte.cornelsen.de/url/' + values.license?.usageProduct?.usagePlatformId + "/" + values.license?.usageProduct?.id + "/",
}).then(res => {
axiosInstance({
url: "https://ebook.cornelsen.de/uma20/api/v2/umas/" + values.license?.usageProduct?.id,
method: "get",
headers: {
"authorization": "Bearer " + cookieJar.toJSON().cookies.find(c => c.key == "cornelsen-jwt").value,
"content-type": "application/json",
"accept": "*/*",
}
}).then(res => {
var bookData = res.data
axiosInstance({
method: 'get',
url: `https://ebook.cornelsen.de/uma20/api/v2/pspdfkitjwt/${bookData.module?.moduleIsbn}/${bookData.ebookIsbnSbNum}`,
headers: {
"accept": "application/json",
"x-cv-app-identifier": "uma_web_2022.19.1",
"authorization": "Bearer " + cookieJar.toJSON().cookies.find(c => c.key == "cornelsen-jwt").value,
}
}).then(res => {
var pspdfkitjwt = res.data
axiosInstance({
method: 'post',
url: `https://uma20-pspdfkit.prod.aws.cornelsen.de/i/d/${bookData.ebookIsbnSbNum}/auth`,
data: {
"jwt": pspdfkitjwt,
"origin": `https://ebook.cornelsen.de/${bookData.module?.moduleIsbn}/willkommen`
},
headers: {
"pspdfkit-platform": "web",
"pspdfkit-version": "protocol=4, client=2022.4.0, client-git=cef59f9397",
"referer": "https://ebook.cornelsen.de/",
"origin": "https://ebook.cornelsen.de",
}
}).then(res => {
var pspdfkitauthdata = res.data;
//var qualityScale = quality < pspdfkitauthdata.allowedTileScales.length ? pspdfkitauthdata.allowedTileScales.reverse()[quality] : pspdfkitauthdata.allowedTileScales[0];
axiosInstance({
method: 'get',
url: `https://uma20-pspdfkit.prod.aws.cornelsen.de/i/d/${bookData.ebookIsbnSbNum}/h/${pspdfkitauthdata.layerHandle}/document.json`,
headers: {
"pspdfkit-platform": "web",
"pspdfkit-version": "protocol=4, client=2022.4.0, client-git=cef59f9397",
"X-PSPDFKit-Token": pspdfkitauthdata.token,
}
}).then(res => {
var pagesData = res.data.data;
prompts([{
type: 'select',
name: 'quality',
message: "Quality",
choices: pspdfkitauthdata.allowedTileScales.map(q => {
return {
title: `${Math.floor(pagesData.pages[0].width * q)} x ${Math.floor(pagesData.pages[0].height * q)}`,
value: q
}
})
}, {
type: "text",
name: "extension",
message: "Image File Extension",
initial: "jpg",
}, {
type: "text",
name: "magickquality",
message: "Image Magick Quality in % (100% - 100% of size, 95% - 40% of size, 90% - 25% of size, 85% - 15% of size)",
initial: "90",
}, {
type: "toggle",
name: "selectableText",
message: "Selectable Text",
initial: true,
}]).then(values2 => {
var filename = name.replace(/[^a-zA-Z0-9 \(\)_\-,\.]/gi, '') + `_${Math.floor(pagesData.pages[0].width * values2.quality)}x${Math.floor(pagesData.pages[0].height * values2.quality)}_${values2.magickquality}q`;
var tmpFolder = "./DownloadTemp/" + filename + "/";
if (deleteAllOldTempImages && fs.existsSync(tmpFolder)) fs.rmSync(tmpFolder, {
recursive: true,
});
fs.mkdir(tmpFolder, {
recursive: true
}, async () => {
/*Promise.all(pagesData.pages.map(p => {
return new Promise((resolve, reject) => {
axiosInstance({
method: 'get',
url: `https://uma20-pspdfkit.prod.aws.cornelsen.de/i/d/${values.license?.salesProduct?.fullVersionId}/h/${pspdfkitauthdata.layerHandle}/page-${p.pageIndex}-dimensions-${Math.floor(p.width * values2.quality)}-${Math.floor(p.height * values2.quality)}-tile-0-0-${Math.floor(p.width * values2.quality)}-${Math.floor(p.height * values2.quality)}`,
headers: {
"x-pspdfkit-image-token": pspdfkitauthdata.imageToken,
"Accept": "image/webp,*//*",
"Referer": "https://ebook.cornelsen.de/",
},
responseType: 'stream',
timeout: 60000,
httpsAgent: new https.Agent({ keepAlive: true }),
}).then(res => {
//fs.createWriteStream(`${tmpFolder}${zeroPad(p.pageIndex, 4)}-${p.pageLabel}.webp`).write(res.data);
res.data.pipe(fs.createWriteStream(`${tmpFolder}${zeroPad(p.pageIndex, 4)}-${p.pageLabel}.webp`))
resolve();
}).catch(err => {
console.log(`Could not load page ${p.pageIndex} - 760`)
console.log(err)
reject();
})
})
})).then(() => {
console.log(`Downloaded all Pages`)
}).catch(err => {
console.log(`Could not load all pages - 761`)
console.log(err)
})*/
var pagesText = {};
var errored = false;
console.log(`Downloaded 0/${pagesData.pages.length}`)
var pi = 0;
for (p of pagesData.pages) {
pi++;
if (errored) {
break;
}
await new Promise((resolve, reject) => {
axiosInstance({
method: 'get',
url: `https://uma20-pspdfkit.prod.aws.cornelsen.de/i/d/${bookData.ebookIsbnSbNum}/h/${pspdfkitauthdata.layerHandle}/page-${p.pageIndex}-dimensions-${Math.floor(p.width * values2.quality)}-${Math.floor(p.height * values2.quality)}-tile-0-0-${Math.floor(p.width * values2.quality)}-${Math.floor(p.height * values2.quality)}`,
headers: {
"x-pspdfkit-image-token": pspdfkitauthdata.imageToken,
"Accept": "image/webp,*/*",
"Referer": "https://ebook.cornelsen.de/",
},
responseType: 'stream',
}).then(res => {
var imageFile = `${tmpFolder}${zeroPad(p.pageIndex, 4)}-${p.pageLabel}.jpg`;
magickProcess = spawn("magick", ["-", "-quality", `${values2.magickquality}%`, `${values2.extension}:-`]);
ffmpegProcess = spawn("ffmpeg", ["-f", "jpeg_pipe", "-i", "-", "-f", "image2", "-"]);
ffmpegProcess.stdout.pipe(fs.createWriteStream(imageFile)).on('finish', (s) => {
if (values2.selectableText) {
axiosInstance({
method: 'get',
url: `https://uma20-pspdfkit.prod.aws.cornelsen.de/i/d/${bookData.ebookIsbnSbNum}/h/${pspdfkitauthdata.layerHandle}/page-${p.pageIndex}-text`,
headers: {
"X-PSPDFKit-Token": pspdfkitauthdata.token,
"Accept": "image/webp,*/*",
"Referer": "https://ebook.cornelsen.de/",
},
}).then(res => {
pagesText[p.pageIndex] = res.data?.textLines;
resolve();
}).catch(err => {
console.log(`Could not load page ${p.pageIndex} text - 763`)
errored = true;
resolve();
console.log(err)
});
} else {
resolve();
}
}).on('error', (err) => {
console.log(`Could not save page ${p.pageIndex} - 762`)
console.log("error")
console.log(err)
errored = true;
resolve();
})
magickProcess.stdout.pipe(ffmpegProcess.stdin)
res.data.pipe(magickProcess.stdin)
}).catch(err => {
console.log(`Could not load page ${p.pageIndex} - 760`)
errored = true;
resolve();
console.log(err)
})
})
console.log(`\x1b[1A\x1b[2K\x1b[1GDownloaded ${pi}/${pagesData.pages.length} pages`)
}
if (errored) {
console.log(`Could not load all pages - 761`)
} else {
console.log(`Downloaded all Pages, now creating PDF Document`)
var doc = new PDFDoc({
margins: {
top: 0,
bottom: 0,
left: 0,
right: 0
},
autoFirstPage: false,
size: [pagesData.pages[0].width, pagesData.pages[0].height]
});
doc.pipe(fs.createWriteStream(filename + ".pdf"))
doc.font('./unifont-15.0.01.ttf')
var dir = fs.readdirSync(tmpFolder);
dir.sort().forEach((file, idx) => {
doc.addPage();
doc.image(tmpFolder + file, {
fit: [pagesData.pages[0].width, pagesData.pages[0].height],
align: 'center',
valign: 'center'
});
if (values2.selectableText) {
pagesText[/*idx*/ parseInt(file.split("-")[0])].forEach(line => {
if (line.contents.length > 0) {
doc.save();
//doc.rect(line.left, line.top, line.width, line.height).fillOpacity(0.5).fill("#1e1e1e")
doc.translate(line.left, line.top);
if (line.height > line.width && line.height / line.contents.length < line.width) {
doc.rotate(90).scale(line.height / doc.widthOfString(line.contents, {
lineBreak: false,
}), line.width / doc.heightOfString(line.contents, {
lineBreak: false,
})).translate(0, -(doc.heightOfString(line.contents, {
lineBreak: false,
}) / 2))
} else {
try {
doc.scale(line.width / doc.widthOfString(line.contents, {
lineBreak: false,
}), line.height / doc.heightOfString(line.contents, {
lineBreak: false,
})).translate(0, (doc.heightOfString(line.contents, {
lineBreak: false,
}) / 2));
} catch (err) {
console.log(err);
console.log(line.contents, line.left, line.top, line.width, line.height);
process.exit(1);
}
}
doc.fillOpacity(0)
doc.text(line.contents, 0, 0, {
lineGap: 0,
paragraphGap: 0,
lineBreak: false,
baseline: 'middle',
align: 'left',