PDF password and security in JavaScript and PDF.co Web API

PDF.co Web API: the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

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app.js

      
var https = require("https"); var path = require("path"); var fs = require("fs"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Direct URL of source PDF file. const SourceFileUrl = "https://bytescout-com.s3-us-west-2.amazonaws.com/files/demo-files/cloud-api/pdf-merge/sample1.pdf"; // Destination PDF file name const DestinationFile = "./protected.pdf"; // Passwords to protect PDF document // The owner password will be required for document modification. // The user password only allows to view and print the document. const OwnerPassword = "123456"; const UserPassword = "654321"; // Encryption algorithm. // Valid values: "RC4_40bit", "RC4_128bit", "AES_128bit", "AES_256bit". const EncryptionAlgorithm = "AES_128bit"; // Allow or prohibit content extraction for accessibility needs. const AllowAccessibilitySupport = true; // Allow or prohibit assembling the document. const AllowAssemblyDocument = true; // Allow or prohibit printing PDF document. const AllowPrintDocument = true; // Allow or prohibit filling of interactive form fields (including signature fields) in PDF document. const AllowFillForms = true; // Allow or prohibit modification of PDF document. const AllowModifyDocument = true; // Allow or prohibit copying content from PDF document. const AllowContentExtraction = true; // Allow or prohibit interacting with text annotations and forms in PDF document. const AllowModifyAnnotations = true; // Allowed printing quality. // Valid values: "HighResolution", "LowResolution" const PrintQuality = "HighResolution"; // Runs processing asynchronously. // Returns Use JobId that you may use with /job/check to check state of the processing (possible states: working, failed, aborted and success). const async = false; // Prepare request to `PDF Security` API endpoint var queryPath = `/v1/pdf/security/add`; // JSON payload for api request var jsonPayload = JSON.stringify({ name: path.basename(DestinationFile), url: SourceFileUrl, ownerPassword: OwnerPassword, userPassword: UserPassword, encryptionAlgorithm: EncryptionAlgorithm, allowAccessibilitySupport: AllowAccessibilitySupport, allowAssemblyDocument: AllowAssemblyDocument, allowPrintDocument: AllowPrintDocument, allowFillForms: AllowFillForms, allowModifyDocument: AllowModifyDocument, allowContentExtraction: AllowContentExtraction, allowModifyAnnotations: AllowModifyAnnotations, printQuality: PrintQuality, async: async }); var reqOptions = { host: "api.pdf.co", method: "POST", path: queryPath, headers: { "x-api-key": API_KEY, "Content-Type": "application/json", "Content-Length": Buffer.byteLength(jsonPayload, 'utf8') } }; // Send request var postRequest = https.request(reqOptions, (response) => { response.on("data", (d) => { // Parse JSON response var data = JSON.parse(d); if (data.error == false) { // Download PDF file var file = fs.createWriteStream(DestinationFile); https.get(data.url, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated PDF file saved as "${DestinationFile}" file.`); }); }); } else { // Service reported error console.log(data.message); } }); }).on("error", (e) => { // Request error console.log(e); }); // Write request data postRequest.write(jsonPayload); postRequest.end();

package.json

      
{ "name": "test", "version": "1.0.0", "description": "PDF.co", "main": "app.js", "scripts": { }, "keywords": [ "pdf.co", "web", "api", "bytescout", "api" ], "author": "ByteScout & PDF.co", "license": "ISC", "dependencies": { "request": "^2.88.2" } }

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