ByteScout Cloud API Server - PDF Make Searchable API - JavaScript - Make Searchable PDF From Uploaded File (Node.js) - Async API - ByteScout

ByteScout Cloud API Server – PDF Make Searchable API – JavaScript – Make Searchable PDF From Uploaded File (Node.js) – Async API

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How to PDF make searchable API in JavaScript and ByteScout Cloud API Server

Learning is essential in computer world and the tutorial below will demonstrate how to PDF make searchable API in JavaScript

The sample shows instructions and algorithm of how to PDF make searchable API and how to make it run in your JavaScript application. ByteScout Cloud API Server: the ready to use Web API Server that can be deployed in less than 30 minutes into your own in-house server or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using buil-in ByteScout powered engine, no cloud services are used to process your data!. It can PDF make searchable API in JavaScript.

The SDK samples given below describe how to quickly make your application do PDF make searchable API in JavaScript with the help of ByteScout Cloud API Server. Simply copy and paste in your JavaScript project or application you and then run your app! Enjoy writing a code with ready-to-use sample JavaScript codes.

You can download free trial version of ByteScout Cloud API Server from our website to see and try many others source code samples for JavaScript.

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MakeSearchablePdfFromUploadedFile.js
      
/*jshint esversion: 6 */ // Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". // If it's not then please replace this with with your hosting url. var https = require("https"); var path = require("path"); var fs = require("fs"); // `request` module is required for file upload. // Use "npm install request" command to install. var request = require("request"); // Source PDF file const SourceFile = "./sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const Pages = ""; // PDF document password. Leave empty for unprotected documents. const Password = ""; // OCR language. "eng", "fra", "deu", "spa" supported currently. Let us know if you need more. const Language = "eng"; // Destination PDF file name const DestinationFile = "./result.pdf"; // 1. RETRIEVE PRESIGNED URL TO UPLOAD FILE. getPresignedUrl(SourceFile) .then(([uploadUrl, uploadedFileUrl]) => { // 2. UPLOAD THE FILE TO CLOUD. uploadFile(SourceFile, uploadUrl) .then(() => { // 3. MAKE UPLOADED PDF FILE SEARCHABLE makePdfSearchable(uploadedFileUrl, Password, Pages, Language, DestinationFile); }) .catch(e => { console.log(e); }); }) .catch(e => { console.log(e); }); function getPresignedUrl(localFile) { return new Promise(resolve => { // Prepare request to `Get Presigned URL` API endpoint let queryPath = `/file/upload/get-presigned-url?contenttype=application/octet-stream&name=${path.basename(SourceFile)}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath) }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { let data = JSON.parse(d); if (data.error == false) { // Return presigned url we received resolve([data.presignedUrl, data.url]); } else { // Service reported error console.log("getPresignedUrl(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("getPresignedUrl(): " + e); }); }); } function uploadFile(localFile, uploadUrl) { return new Promise(resolve => { fs.readFile(SourceFile, (err, data) => { request({ method: "PUT", url: uploadUrl, body: data, headers: { "Content-Type": "application/octet-stream" } }, (err, res, body) => { if (!err) { resolve(); } else { console.log("uploadFile() request error: " + e); } }); }); }); } function makePdfSearchable(uploadedFileUrl, password, pages, language, destinationFile) { // Prepare request to `Make Searchable PDF` API endpoint var queryPath = `/pdf/makesearchable?name=${path.basename(destinationFile)}&password=${password}&pages=${pages}&lang=${language}&url=${uploadedFileUrl}&async=True`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); if (data.error == false) { console.log(`Job #${data.jobId} has been created!`); checkIfJobIsCompleted(data.jobId, data.url, destinationFile); } else { // Service reported error console.log("makePdfSearchable(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("makePdfSearchable(): " + e); }); } function checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile) { let queryPath = `/job/check?jobid=${jobId}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); console.log(`Checking Job #${jobId}, Status: ${data.status}, Time: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile);}, 3000); } else if (data.status == "success") { // Download PDF file var file = fs.createWriteStream(destinationFile); https.get(resultFileUrl, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated PDF file saved as "${destinationFile}" file.`); }); }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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60 Day Free Trial or Visit ByteScout Cloud API Server Home Page

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