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https://github.com/OpenSignLabs/OpenSign.git
synced 2026-08-21 07:02:32 +02:00
minify signpdf file
This commit is contained in:
prafullnavkar-nxg
@@ -1,329 +0,0 @@
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import SignPDF from './SignPDF.cjs';
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import fs from 'node:fs';
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import axios from 'axios';
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import FormData from 'form-data';
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import plainplaceholder from './customSignPdf/plainplaceholder.js';
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import { plainAddPlaceholder } from 'node-signpdf/dist/helpers/index.js';
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const serverUrl = process.env.SERVER_URL;
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const APPID = process.env.APP_ID;
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const masterKEY = process.env.MASTER_KEY;
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// `uploadFile` is used to upload signed pdf on aws s3 and get file url
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async function uploadFile(pdfFile) {
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try {
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const formData = new FormData();
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formData.append('file', fs.createReadStream(pdfFile));
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const headers = {
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'content-type': 'multipart/form-data',
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'X-Parse-Application-Id': process.env.APP_ID,
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};
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const serverURL = process.env.SERVER_URL;
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// const split = serverURL.split('/');
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// const desiredUrl = serverURL.includes('/app')
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// ? serverURL.replace('/app', '')
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// : serverURL.replace('/' + split[3], '');
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const desiredUrl = serverURL.slice(0, -4);
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const url = desiredUrl + '/file_upload'; //process.env.SERVER_URL
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const res = await axios.post(url, formData, { headers: headers });
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// console.log("res ", res.data);
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return res.data;
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} catch (err) {
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console.log('err ', err);
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// `fs.unlinkSync` is used to remove exported signed pdf file from exports folder
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fs.unlinkSync(pdfFile);
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}
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}
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async function updateDoc(docId, url, userId, ipAddress, data, className) {
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try {
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const UserPtr = {
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__type: 'Pointer',
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className: className,
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objectId: userId,
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};
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const obj = {
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UserPtr: UserPtr,
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SignedUrl: url,
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Activity: 'Signed',
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ipAddress: ipAddress,
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};
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let updateAuditTrail;
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if (data.AuditTrail && data.AuditTrail.length > 0) {
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updateAuditTrail = [...data.AuditTrail, obj];
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} else {
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updateAuditTrail = [obj];
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}
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const auditTrail = updateAuditTrail.filter(x => x.Activity === 'Signed');
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let isCompleted = false;
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if (data.Signers && data.Signers.length > 0) {
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if (auditTrail.length === data.Signers.length) {
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isCompleted = true;
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}
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} else {
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isCompleted = true;
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}
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const body = {
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SignedUrl: url,
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AuditTrail: updateAuditTrail,
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IsCompleted: isCompleted,
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};
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const signedRes = await axios.put(serverUrl + '/classes/contracts_Document/' + docId, body, {
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headers: {
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'Content-Type': 'application/json',
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'X-Parse-Application-Id': APPID,
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'X-Parse-Master-Key': masterKEY,
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},
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});
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return { isCompleted: isCompleted, message: 'success' };
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} catch (err) {
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console.log('update doc err ', err);
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return 'err';
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}
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}
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// `sendMail` is used to send copy signed mail
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async function sendMail(obj) {
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const url = obj.url;
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const sender = obj.sender;
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const pdfName = obj.pdfName;
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const mailLogo = 'https://qikinnovation.ams3.digitaloceanspaces.com/logo.png';
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const recipient = obj.receiver;
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const subject = `${sender.Name} has signed the doc - ${pdfName}`;
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const params = {
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url: url,
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from: 'Open sign',
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recipient: recipient,
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subject: subject,
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pdfName: pdfName,
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html:
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"<html><head><meta http-equiv='Content-Type' content='text/html; charset=UTF-8' /></head><body> <div style='background-color:#f5f5f5;padding:20px'> <div style='box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 12px;background-color:white;'> <div><img src=" +
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mailLogo +
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" height='50' style='padding:20px'/> </div><div style='padding:2px;font-family:system-ui; background-color: #47a3ad;'> <p style='font-size:20px;font-weight:400;color:white;padding-left:20px',> Document Copy</p></div><div><p style='padding:20px;font-family:system-ui;font-size:14px'>A copy of the document " +
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pdfName +
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' Standard is attached to this email. Kindly download the document from the attachment.</p></div> </div><div><p>This is an automated email from Open Sign. For any queries regarding this email, please contact the sender ' +
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sender.Mail +
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' directly. If you think this email is inappropriate or spam, you may file a complaint with Open Sign here.</p></div></div></body></html>',
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};
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const res = await axios.post(serverUrl + '/functions/sendmailv3', params, {
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headers: {
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'Content-Type': 'application/json',
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'X-Parse-Application-Id': APPID,
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'X-Parse-Master-Key': masterKEY,
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},
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});
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// console.log('Res ', res);
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}
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// `sendMail` is used to send copy signed mail
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async function sendCompletedMail(obj) {
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const url = obj.url;
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const sender = obj.sender;
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const pdfName = obj.pdfName;
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const mailLogo = 'https://qikinnovation.ams3.digitaloceanspaces.com/logo.png';
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const recipient = obj.receiver;
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const subject = `Document ${pdfName} has beeen signed by all parties`;
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const params = {
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url: url,
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from: 'Open sign',
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recipient: recipient,
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subject: subject,
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pdfName: pdfName,
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html:
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"<html><head><meta http-equiv='Content-Type' content='text/html; charset=UTF-8' /></head><body> <div style='background-color:#f5f5f5;padding:20px'> <div style='box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 12px;background-color:white;'> <div><img src=" +
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mailLogo +
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" height='50' style='padding:20px'/> </div><div style='padding:2px;font-family:system-ui; background-color: #47a3ad;'> <p style='font-size:20px;font-weight:400;color:white;padding-left:20px',> Document sign successfully</p></div><div><p style='padding:20px;font-family:system-ui;font-size:14px'>All parties have successfully signed the document" +
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pdfName +
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'. Kindly download the document from the attachment.</p></div> </div><div><p>This is an automated email from Open Sign. For any queries regarding this email, please contact the sender ' +
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sender.Mail +
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' directly. If you think this email is inappropriate or spam, you may file a complaint with Open Sign here.</p></div></div></body></html>',
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};
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const res = await axios.post(serverUrl + '/functions/sendmailv3', params, {
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headers: {
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'Content-Type': 'application/json',
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'X-Parse-Application-Id': APPID,
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'X-Parse-Master-Key': masterKEY,
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},
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});
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// console.log('Res ', res);
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}
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/**
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*
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* @param sign base64 sign of user
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* @param docId Id of Document in which user is signing
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* @param pdfFile base64 of pdfFile which you want sign
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* @returns if success {status, data} else {status, message}
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*/
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async function PDF(req, res) {
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try {
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const sign = req.params.sign;
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const data = '?include=ExtUserPtr';
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const docId = req.params.docId;
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// below bode is used to get info of docId
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const resDoc = await axios.get(serverUrl + '/classes/contracts_Document/' + docId + data, {
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headers: {
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'Content-Type': 'application/json',
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'X-Parse-Application-Id': APPID,
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'X-Parse-Session-Token': req.headers['sessiontoken'],
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},
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});
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// to get user from session token
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const user = await axios.get(serverUrl + '/users/me', {
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headers: {
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'X-Parse-Application-Id': APPID,
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'X-Parse-Session-Token': req.headers['sessiontoken'],
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},
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});
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if (user.data && user.data.objectId) {
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const userPtr = JSON.stringify({
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UserId: {
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__type: 'Pointer',
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className: '_User',
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objectId: user.data.objectId,
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},
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});
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let signUser;
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let className;
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// to get contracts_Users Id from _User ptr
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const contractUser = await axios.get(
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serverUrl + '/classes/contracts_Users?where=' + userPtr,
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{
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headers: {
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'X-Parse-Application-Id': APPID,
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'X-Parse-Session-Token': req.headers['sessiontoken'],
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},
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}
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);
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if (contractUser.data && contractUser.data.results.length > 0) {
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signUser = contractUser;
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className = 'contracts_Users';
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} else {
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// to get contracts_Contactbook Id from _User ptr
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signUser = await axios.get(serverUrl + '/classes/contracts_Contactbook?where=' + userPtr, {
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headers: {
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'X-Parse-Application-Id': APPID,
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'X-Parse-Session-Token': req.headers['sessiontoken'],
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},
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});
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className = 'contracts_Contactbook';
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}
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// console.log("signUser ", signUser.data.results[0].objectId);
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// console.log("resDoc ", resDoc);
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const username = signUser.data.results[0].Name; // resDoc.data.ExtUserPtr.Name;
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const userEmail = signUser.data.results[0].Email; //resDoc.data.ExtUserPtr.Email;
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if (req.params.pdfFile) {
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// `PdfBuffer` used to create buffer from pdf file
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let PdfBuffer = Buffer.from(req.params.pdfFile, 'base64');
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// let PdfBuffer = fs.readFileSync("exports/exported_file_688.pdf");
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// let PdfBuffer = fs.readFileSync("exports/simple.pdf");
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// `P12Buffer` used to create buffer from p12 certificate
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const pfxFile = process.env.PFX_BASE64;
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// const P12Buffer = fs.readFileSync();
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const P12Buffer = Buffer.from(pfxFile, 'base64');
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if (sign) {
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// `plainAddPlaceholder` is used to add code of digitial sign in pdf file
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PdfBuffer = plainplaceholder({
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pdfBuffer: PdfBuffer,
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reason: 'Digitally signed by Open sign for ' + username + ' <' + userEmail + '>',
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location: 'test location',
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signatureLength: 10000,
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sign: sign,
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});
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} else {
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// `plainAddPlaceholder` is used to add code of only digitial sign without widget
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PdfBuffer = plainAddPlaceholder({
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pdfBuffer: PdfBuffer,
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reason: 'Digitally signed by Open sign for ' + username + ' <' + userEmail + '>',
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location: 'test location',
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signatureLength: 10000,
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});
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}
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// console.log("PdfBuffer ", PdfBuffer);
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//`new signPDF` create new instance of pdfBuffer and p12Buffer
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const OBJ = new SignPDF(PdfBuffer, P12Buffer);
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// `signedDocs` is used to signpdf digitally
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const signedDocs = await OBJ.signPDF();
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const randomNumber = Math.floor(Math.random() * 5000);
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const pdfName = `./exports/exported_file_${randomNumber}.pdf`;
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//`saveUrl` is used to save signed pdf in exports folder
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const saveUrl = fs.writeFileSync(pdfName, signedDocs);
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// `uploadFile` is used to upload pdf to aws s3 and get it's url
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const data = await uploadFile(pdfName);
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if (data && data.imageUrl) {
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// `axios` is used to update signed pdf url in contracts_Document classes for given DocId
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const res = await updateDoc(
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req.params.docId, //docId
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data.imageUrl, // url
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signUser.data.results[0].objectId, // userID
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req.headers['x-real-ip'], // client ipAddress,
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resDoc.data, // auditTrail, signers, etc data
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className
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);
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const obj = {
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url: data.imageUrl,
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sender: {
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Mail: resDoc.data.ExtUserPtr.Email,
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Name: resDoc.data.ExtUserPtr.Name,
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},
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pdfName: resDoc.data.Name,
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receiver: userEmail,
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};
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sendMail(obj);
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// console.log("res ", res);
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if (res && res.isCompleted) {
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// console.log("res.IsCompleted ", res.isCompleted);
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const mailObj = {
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url: data.imageUrl,
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sender: {
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Mail: resDoc.data.ExtUserPtr.Email,
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Name: 'Open sign',
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},
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pdfName: resDoc.data.Name,
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receiver: resDoc.data.ExtUserPtr.Email,
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};
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sendCompletedMail(mailObj);
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}
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// `fs.unlinkSync` is used to remove exported signed pdf file from exports folder
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fs.unlinkSync(pdfName);
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console.log(`New Signed PDF created called: ${pdfName}`);
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if (res.message === 'success') {
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return { status: 'success', data: data.imageUrl };
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} else {
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return {
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status: 'error',
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message: 'please provide required parameters!',
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};
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}
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}
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} else {
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return { status: 'error', message: 'pdf file not present!' };
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}
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} else {
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return { status: 'error', message: 'this user not allowed!' };
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}
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} catch (err) {
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console.log('Err ', err);
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if (err.code === 'ERR_BAD_REQUEST') {
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return {
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status: 'error',
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message: 'Invalid session token!',
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};
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} else {
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return {
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status: 'error',
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message: 'Encrypted files are currently not supported!',
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};
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}
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}
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}
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export default PDF;
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