Xác minh Chữ ký trong PDF trong Node.js SDK

    import credentials from "../../../Credentials/credentials.json"  with { type: "json" };
    import fs from 'node:fs/promises';
    import path from 'node:path';
    import { PdfApi } from "../../src/api/api.js";


    const configParams = {
        LOCAL_FOLDER: "C:\\Samples\\",
        PDF_DOCUMENT_NAME: "sample-signed.pdf",
        SIGNATURE_NAME: 'sign1',
    }

    const pdfApi = new PdfApi(credentials.id, credentials.key);

    const pdfSignatures = {
        async uploadDocument () {
            const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
            const pdfFileData = await fs.readFile(fileNamePath);
            await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
            console.log("File '" + configParams.PDF_DOCUMENT_NAME + "' successfully uploaded!");
        },

        async verifySignature () {
            if (pdfApi)
            {
                const response = await pdfApi.getVerifySignature(configParams.PDF_DOCUMENT_NAME, configParams.SIGNATURE_NAME);

                if (response.body.code == 200) {
                    if (response.body.valid == true)
                        console.log("verifySignature(): Signature is VALID for the '" + configParams.PDF_DOCUMENT_NAME + "' document.");
                    else
                    console.log("verifySignature(): Signature is NOT VALID for the '" + configParams.PDF_DOCUMENT_NAME + "' document.");
                }
                else
                    console.error("verifySignature(): Failed to extract signatures in the document. Response code: " + response.body.code);
            }
        },
    }

    async function main() {
        try {
            await pdfSignatures.uploadDocument();
            await pdfSignatures.verifySignature();
        } catch (error) {
            console.error("Error:", error.message);
        }
    }