{ "id": "V1vbO2m79cFNH59h", "meta": { "instanceId": "workflow-0fa018a6", "versionId": "1.0.0", "createdAt": "2025-09-29T07:08:01.364934", "updatedAt": "2025-09-29T07:08:01.365002", "owner": "n8n-user", "license": "MIT", "category": "automation", "status": "active", "priority": "high", "environment": "production" }, "name": "Basic PDF Digital Sign Service", "tags": [ "automation", "n8n", "production-ready", "excellent", "optimized" ], "nodes": [ { "id": "a3aa7495-e5a8-4b7f-882a-e642fae414b8", "name": "Validate Key Gen Params", "type": "n8n-nodes-base.code", "position": [ -220, 220 ], "parameters": { "jsCode": "// Check required parameters for key generation\nconst requiredParams = [\n 'subjectCN', 'issuerCN', 'serialNumber', \n 'validFrom', 'validTo', 'password'\n];\n\nlet missingParams = [];\nconst requestBody = $input.item.json.body || {}; // Access the body object\n\nfor (const param of requiredParams) {\n if (!requestBody[param]) {\n missingParams.push(param);\n }\n}\n\nif (missingParams.length > 0) {\n return {\n json: {\n success: false,\n message: `Missing required parameters: ${missingParams.join(', ')}`\n }\n };\n}\n\n// Set default output directory if not provided\nconst outputDir = $input.item.json.keyPath || '/tmp';\nconst timestamp = new Date().getTime();\nconst outputPfx = `${outputDir}certificate_${timestamp}.pfx`;\nconst outputPrivateKey = `${outputDir}private_${timestamp}.key`;\nconst outputCertPem = `${outputDir}certificate_${timestamp}.pem`;\n\nreturn {\n json: {\n ...requestBody,\n success: true,\n outputDir,\n outputPfx,\n outputPrivateKey,\n outputCertPem\n }\n};\n" }, "typeVersion": 1, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "6a463b95-04e4-421d-b6e0-46fb98c85e20", "name": "Validate PDF Sign Params", "type": "n8n-nodes-base.code", "position": [ -220, 380 ], "parameters": { "jsCode": "// Check required parameters for PDF signing\nconst requiredParams = ['inputPdf', 'pfxFile', 'pfxPassword'];\n\n// Access the body object from input\nconst requestBody = $input.item.json.body || {}; \n\nlet missingParams = [];\nfor (const param of requiredParams) {\n if (!requestBody[param]) {\n missingParams.push(param);\n }\n}\n\nif (missingParams.length > 0) {\n return {\n json: {\n success: false,\n message: `Missing required parameters: ${missingParams.join(', ')}`\n }\n };\n}\n\n// Set default output directory if not provided\nconst pdfDir = $input.item.json.pdfPath || '/tmp';\nconst keyDir = $input.item.json.keyPath || '/tmp';\nconst outputDir = $input.item.json.pdfPath || '/tmp';\n\nconst timestamp = new Date().getTime();\nconst inputPdfPath = `${pdfDir}${requestBody.inputPdf}`;\nconst pfxFilePath = `${keyDir}${requestBody.pfxFile}`;\nconst outputPdfPath = `${pdfDir}signed_${timestamp}.pdf`;\n\nreturn {\n json: {\n ...requestBody,\n success: true,\n outputDir,\n inputPdfPath,\n pfxFilePath,\n outputPdfPath\n }\n};" }, "typeVersion": 1, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "cec07784-a42b-4443-ad8e-1bd7686558c3", "name": "Validate PDF Upload", "type": "n8n-nodes-base.code", "position": [ 80, -440 ], "parameters": { "jsCode": "// Check required parameters for PDF upload\nconst requiredParams = ['fileData'];\n\nlet missingParams = [];\nfor (const param of requiredParams) {\n if (!$input.item.json[param]) {\n missingParams.push(param);\n }\n}\n\nif (missingParams.length > 0) {\n return {\n json: {\n success: false,\n message: `Missing required parameters: ${missingParams.join(', ')}`\n }\n };\n}\n\n// Set default output directory if not provided\nconst outputDir = $input.item.json.outputDir || '/tmp';\nconst timestamp = new Date().getTime();\nconst outputPath = $input.item.json.fileName \n ? `${outputDir}/${$input.item.json.fileName}` \n : `${outputDir}/uploaded_pdf_${timestamp}.pdf`;\n\nreturn {\n json: {\n ...$input.item.json,\n success: true,\n outputDir,\n outputPath\n }\n};" }, "typeVersion": 1, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "1b9304fd-f31d-45c7-8344-01c779e86f0d", "name": "Validate Key Upload", "type": "n8n-nodes-base.code", "position": [ 80, -140 ], "parameters": { "jsCode": "// Check required parameters for key upload\nconst requiredParams = ['fileData'];\n\nlet missingParams = [];\nfor (const param of requiredParams) {\n if (!$input.item.json[param]) {\n missingParams.push(param);\n }\n}\n\nif (missingParams.length > 0) {\n return {\n json: {\n success: false,\n message: `Missing required parameters: ${missingParams.join(', ')}`\n }\n };\n}\n\n// Set default output directory if not provided\nconst outputDir = $input.item.json.outputDir || '/tmp';\nconst timestamp = new Date().getTime();\nconst outputPath = $input.item.json.fileName \n ? `${outputDir}/${$input.item.json.fileName}` \n : `${outputDir}/uploaded_key_${timestamp}.pfx`;\n\nreturn {\n json: {\n ...$input.item.json,\n success: true,\n outputDir,\n outputPath\n }\n};" }, "typeVersion": 1, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "efd59edb-6952-4165-ab21-745e03db74eb", "name": "Generate Keys", "type": "n8n-nodes-base.code", "position": [ 20, 220 ], "parameters": { "jsCode": "console.log(\"!!!!!!!!!\" + process.env.NODE_PATH);\n\n// Key Generation Code\nconst forge = require('node-forge');\nconst fs = require('fs');\n\n// Get parameters from input\nconst subjectCN = $input.item.json.subjectCN;\nconst issuerCN = $input.item.json.issuerCN;\nconst serialNumber = $input.item.json.serialNumber;\nconst validFrom = $input.item.json.validFrom;\nconst validTo = $input.item.json.validTo;\nconst pfxPassword = $input.item.json.password;\nconst outputPfx = $input.item.json.outputPfx;\nconst outputPrivateKey = $input.item.json.outputPrivateKey;\nconst outputCertPem = $input.item.json.outputCertPem;\n\ntry {\n // Generate a key pair\n const keys = forge.pki.rsa.generateKeyPair(2048);\n const privateKey = keys.privateKey;\n const publicKey = keys.publicKey;\n\n // Create a certificate\n const cert = forge.pki.createCertificate();\n cert.publicKey = publicKey;\n cert.serialNumber = serialNumber;\n\n // Parse date strings (format: YYYYMMDDHHMMSS)\n const parseDate = (dateStr) => {\n const year = parseInt(dateStr.substring(0, 4));\n const month = parseInt(dateStr.substring(4, 6)) - 1; // JS months are 0-based\n const day = parseInt(dateStr.substring(6, 8));\n const hour = parseInt(dateStr.substring(8, 10));\n const minute = parseInt(dateStr.substring(10, 12));\n const second = parseInt(dateStr.substring(12, 14));\n \n return new Date(year, month, day, hour, minute, second);\n };\n\n cert.validity.notBefore = parseDate(validFrom);\n cert.validity.notAfter = parseDate(validTo);\n\n const attrs = [{\n name: 'commonName',\n value: subjectCN\n }, {\n name: 'countryName',\n value: 'US'\n }, {\n shortName: 'ST',\n value: 'State'\n }, {\n name: 'localityName',\n value: 'City'\n }, {\n name: 'organizationName',\n value: 'Organization'\n }, {\n shortName: 'OU',\n value: 'Test'\n }];\n\n cert.setSubject(attrs);\n cert.setIssuer(attrs); // Self-signed, so issuer = subject\n\n // Sign the certificate with the private key\n cert.sign(privateKey, forge.md.sha256.create());\n\n // Convert to PEM format\n const pemCert = forge.pki.certificateToPem(cert);\n const pemPrivateKey = forge.pki.privateKeyToPem(privateKey);\n\n // Create a PKCS#12 (PFX) file\n const p12Asn1 = forge.pkcs12.toPkcs12Asn1(\n privateKey, \n [cert], \n pfxPassword,\n { generateLocalKeyId: true, friendlyName: subjectCN }\n );\n\n const p12Der = forge.asn1.toDer(p12Asn1).getBytes();\n const p12b64 = forge.util.encode64(p12Der);\n\n // Save files\n fs.writeFileSync(outputPrivateKey, pemPrivateKey);\n fs.writeFileSync(outputCertPem, pemCert);\n fs.writeFileSync(outputPfx, forge.util.decode64(p12b64), { encoding: 'binary' });\n\n return {\n json: {\n success: true,\n message: \"Certificate and keys generated successfully\",\n fileName: outputPfx.split('/').pop(),\n filePaths: {\n pfx: outputPfx,\n privateKey: outputPrivateKey,\n certificate: outputCertPem\n },\n fileNames: {\n pfx: outputPfx.split('/').pop(),\n privateKey: outputPrivateKey.split('/').pop(),\n certificate: outputCertPem.split('/').pop()\n }\n }\n };\n} catch (error) {\n return {\n json: {\n success: false,\n message: `Error generating keys: ${error.message}`,\n error: error.stack\n }\n };\n}" }, "typeVersion": 1, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "6834b314-dd66-429f-9264-6eba74c5984e", "name": "Sign PDF", "type": "n8n-nodes-base.code", "position": [ 20, 380 ], "parameters": { "jsCode": "// PDF Signing Code\nconst fs = require('fs');\nconst forge = require('node-forge');\nconst { SignPdf } = require('@signpdf/signpdf');\nconst { P12Signer } = require('@signpdf/signer-p12');\nconst { plainAddPlaceholder } = require('@signpdf/placeholder-plain');\n\n// Get parameters from input\n// const inputPdfBase64 = $input.item.json.inputPdf;\n// const pfxFileBase64 = $input.item.json.pfxFile;\nconst pfxPassword = $input.item.json.pfxPassword;\nconst inputPdfPath = $input.item.json.inputPdfPath;\nconst pfxFilePath = $input.item.json.pfxFilePath;\nconst outputPdfPath = $input.item.json.outputPdfPath;\n\ntry {\n // Read the PDF\n const pdfBuffer = fs.readFileSync(inputPdfPath);\n\n // Add a signature placeholder\n const pdfWithPlaceholder = plainAddPlaceholder({\n pdfBuffer,\n reason: 'Digital Signature',\n contactInfo: 'info@example.com',\n location: 'New York, USA',\n signatureLength: 8192 // Ensure enough space for signature\n });\n \n // Read the P12 file\n const p12Buffer = fs.readFileSync(pfxFilePath);\n\n // Create a signer instance\n const signer = new P12Signer(p12Buffer, {\n passphrase: pfxPassword\n });\n \n // Create SignPdf instance and sign the PDF\n const signPdfInstance = new SignPdf();\n const signedPdf = await signPdfInstance.sign(pdfWithPlaceholder, signer);\n \n // Write the signed PDF to file\n fs.writeFileSync(outputPdfPath, signedPdf);\n console.log(`PDF successfully signed: ${outputPdfPath}`);\n\n return {\n json: {\n success: true,\n message: \"PDF successfully signed\",\n filePath: outputPdfPath,\n fileName: outputPdfPath.split('/').pop()\n }\n };\n} catch (error) {\n return {\n json: {\n success: false,\n message: `Error signing PDF: ${error.message}`,\n error: error.stack\n }\n };\n}" }, "typeVersion": 1, "notes": "This code node performs automated tasks as part of the workflow." }, { "id": "80e56344-b037-4c4f-8f18-b419e9c7516b", "name": "Prepare Success Response", "type": "n8n-nodes-base.set", "position": [ 1380, 40 ], "parameters": { "values": { "string": [ { "name": "serverFileName", "value": "={{ $json.fileName }}" } ], "boolean": [ { "name": "success", "value": true } ] }, "options": {}, "keepOnlySet": true }, "typeVersion": 1, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "e32d1e3e-6877-4c1f-b46a-0c3c67fba609", "name": "Switch Operation", "type": "n8n-nodes-base.switch", "position": [ -520, 200 ], "parameters": { "rules": { "values": [ { "outputKey": "YOUR_CREDENTIAL_HERE", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "operator": { "type": "string", "operation": "equals" }, "leftValue": "={{ $json.body.method }}", "rightValue": "upload" } ] }, "renameOutput": true }, { "outputKey": "YOUR_CREDENTIAL_HERE", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "4ac6de12-4cb9-454e-a2b8-ebc879e430ba", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "={{ $json.body.method }}", "rightValue": "genKey" } ] }, "renameOutput": true }, { "outputKey": "YOUR_CREDENTIAL_HERE", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "d8fca3d7-e1da-486e-b6bb-01a676d888cb", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "={{ $json.body.method }}", "rightValue": "signPdf" } ] }, "renameOutput": true }, { "outputKey": "YOUR_CREDENTIAL_HERE", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "6ae9a589-9208-48b0-873b-2b3c4db22718", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "={{ $json.body.method }}", "rightValue": "download" } ] }, "renameOutput": true } ] }, "options": {} }, "typeVersion": 3.2, "notes": "This switch node performs automated tasks as part of the workflow." }, { "id": "f28cb401-f180-4877-9440-aeb0c9f07791", "name": "Switch Upload Type", "type": "n8n-nodes-base.switch", "position": [ -100, -300 ], "parameters": { "rules": { "values": [ { "outputKey": "YOUR_CREDENTIAL_HERE", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "operator": { "type": "string", "operation": "equals" }, "leftValue": "={{ $json.body.uploadType }}", "rightValue": "pdfDoc" } ] }, "renameOutput": true }, { "outputKey": "YOUR_CREDENTIAL_HERE", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "4790b1de-5541-4a46-a46a-708085c4c0a1", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "={{ $json.body.uploadType }}", "rightValue": "signKey" } ] }, "renameOutput": true } ] }, "options": {} }, "typeVersion": 3.2, "notes": "This switch node performs automated tasks as part of the workflow." }, { "id": "5aa1d5f3-66d4-4440-a953-6e453d00b757", "name": "Prepare input params", "type": "n8n-nodes-base.set", "position": [ -280, -300 ], "parameters": { "options": { "stripBinary": true }, "assignments": { "assignments": [ { "id": "b2323096-8db7-4c5a-8f52-8902f0e18785", "name": "fileData", "type": "object", "value": "={{ $('API POST Endpoint').item.binary }}" }, { "id": "7d2593ba-8582-42cb-8312-6c11be5fbcbf", "name": "uniqueFileName", "type": "string", "value": "={{ 'file_' + $now.toMillis() + '.' + $('API POST Endpoint').item.binary.fileData.mimeType.split('/')[1].replace(/\\n/g, '').trim() }}" } ] }, "includeOtherFields": true }, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "ae983277-f9cf-43b3-86ef-1135919f976c", "name": "set file path", "type": "n8n-nodes-base.set", "position": [ -700, 220 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "7378e581-86ac-43bc-b7c4-7faeef848cd8", "name": "pdfPath", "type": "string", "value": "/data/files/" }, { "id": "f6592b74-6238-4bb7-9b8b-bbde240f2260", "name": "keyPath", "type": "string", "value": "/data/files/" } ] }, "includeOtherFields": true }, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "2667149c-8d3b-4772-be8c-a01c1a8efa6f", "name": "Convert PDF to File", "type": "n8n-nodes-base.convertToFile", "position": [ 260, -440 ], "parameters": { "options": { "fileName": "={{ $json.body.fileName }}", "mimeType": "={{ $json.fileData.fileData.mimeType }}" }, "operation": "toBinary", "sourceProperty": "fileData.fileData.data" }, "typeVersion": 1.1, "notes": "This convertToFile node performs automated tasks as part of the workflow." }, { "id": "6559070f-e071-4e3a-ad3b-87911032358f", "name": "Write PDF File to Disk", "type": "n8n-nodes-base.readWriteFile", "position": [ 440, -440 ], "parameters": { "options": { "append": false }, "fileName": "={{ $('set file path').item.json.pdfPath }}{{ $('Prepare input params').item.json.uniqueFileName }}", "operation": "write" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "0f6dfb44-8d83-4539-bec8-4aa4066c42bb", "name": "Read PDF File from Disk", "type": "n8n-nodes-base.readWriteFile", "position": [ 620, -440 ], "parameters": { "options": {}, "fileSelector": "={{ $json.fileName }}" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "59e18825-dd53-4b09-aefc-0c567ada7f1a", "name": "Convert PFX to File", "type": "n8n-nodes-base.convertToFile", "position": [ 260, -140 ], "parameters": { "options": { "fileName": "={{ $json.body.fileName }}", "mimeType": "={{ $json.fileData.fileData.mimeType }}" }, "operation": "toBinary", "sourceProperty": "fileData.fileData.data" }, "typeVersion": 1.1, "notes": "This convertToFile node performs automated tasks as part of the workflow." }, { "id": "d079d173-5c68-4b57-9efd-29a3ec89b6c0", "name": "Write PFX File to Disk", "type": "n8n-nodes-base.readWriteFile", "position": [ 440, -140 ], "parameters": { "options": { "append": false }, "fileName": "={{ $('set file path').item.json.pdfPath }}{{ $('Prepare input params').item.json.uniqueFileName }}", "operation": "write" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "a2517543-fa29-4097-8f69-0c8cea6f9e07", "name": "Read PFX File from Disk", "type": "n8n-nodes-base.readWriteFile", "position": [ 620, -140 ], "parameters": { "options": {}, "fileSelector": "={{ $json.fileName }}" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "2ec5c8cd-c9f5-4008-988b-ab724b9d8a0f", "name": "Check PDF file is OK", "type": "n8n-nodes-base.set", "position": [ 800, -380 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "8afd6a42-b651-4905-8339-92607d4b59cc", "name": "success", "type": "boolean", "value": "={{ $json.fileName === $('Prepare input params').item.json.uniqueFileName }}" }, { "id": "d0125043-e398-47b2-9f9f-156b33c92cc4", "name": "fileName", "type": "string", "value": "={{ $json.fileName }}" } ] } }, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "2de3d4d5-6654-4019-b05a-2d1dc48c016f", "name": "Check PFX file is OK", "type": "n8n-nodes-base.set", "position": [ 800, -220 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "8afd6a42-b651-4905-8339-92607d4b59cc", "name": "success", "type": "boolean", "value": "={{ $json.fileName === $('Prepare input params').item.json.uniqueFileName }}" }, { "id": "9af39faf-abf6-4d74-9001-444179abdaeb", "name": "fileName", "type": "string", "value": "={{ $json.fileName }}" } ] } }, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "5a2405a6-daef-4e57-8ab8-62dc9600cd26", "name": "check success", "type": "n8n-nodes-base.if", "position": [ 1180, 180 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "dded9782-4619-4dc7-b264-f5e029099750", "operator": { "type": "boolean", "operation": "true", "singleValue": true }, "leftValue": "={{ $json.success }}", "rightValue": "" } ] } }, "typeVersion": 2.2, "notes": "This if node performs automated tasks as part of the workflow." }, { "id": "e7c2412e-eba2-4092-808f-808a27c2a64f", "name": "set downlowd file info", "type": "n8n-nodes-base.set", "position": [ -220, 740 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "f7affa96-85bc-4879-8ca3-aaabd985f67b", "name": "fullFileName", "type": "string", "value": "={{ $json.body.fileName.endsWith('.pdf') ? $json.pdfPath + $json.body.fileName : $json.keyPath + $json.body.fileName }}" } ] } }, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow." }, { "id": "5710c64c-5edf-4de8-bb0a-dd9379c6ba1e", "name": "Read download file from Disk", "type": "n8n-nodes-base.readWriteFile", "position": [ 0, 740 ], "parameters": { "options": {}, "fileSelector": "={{ $json.fullFileName }}" }, "typeVersion": 1, "notes": "This readWriteFile node performs automated tasks as part of the workflow." }, { "id": "c6c8aea2-a770-4e32-94b5-c4b9f18ea3fe", "name": "API POST Endpoint", "type": "n8n-nodes-base.webhook", "position": [ -900, 220 ], "webhookId": "0c12b17f-77a7-46b2-99a0-432b29b58dfb", "parameters": { "path": "docu-digi-sign", "options": { "binaryData": false }, "httpMethod": "POST", "responseMode": "responseNode" }, "typeVersion": 1, "notes": "This webhook node performs automated tasks as part of the workflow." }, { "id": "c7387236-4d72-4123-b181-31059c7fb973", "name": "API GET Endpoint", "type": "n8n-nodes-base.webhook", "position": [ -900, 560 ], "webhookId": "71854b24-a2b8-4cae-bb5d-3959f1573974", "parameters": { "path": "docu-download", "options": {}, "responseMode": "responseNode" }, "typeVersion": 2, "notes": "This webhook node performs automated tasks as part of the workflow." }, { "id": "c87290be-95fd-4edf-8993-b0710714919b", "name": "POST Success Response", "type": "n8n-nodes-base.respondToWebhook", "position": [ 1540, 120 ], "parameters": { "options": {} }, "typeVersion": 1, "notes": "This respondToWebhook node performs automated tasks as part of the workflow." }, { "id": "501c7371-99a5-4d2f-bd54-ed8a9e8a67a9", "name": "POST Error Response", "type": "n8n-nodes-base.respondToWebhook", "position": [ 1540, 280 ], "parameters": { "options": {} }, "typeVersion": 1, "notes": "This respondToWebhook node performs automated tasks as part of the workflow." }, { "id": "3905360c-581c-4588-a509-7329e73a7ed6", "name": "GET Respond to Webhook", "type": "n8n-nodes-base.respondToWebhook", "position": [ 240, 740 ], "parameters": { "options": { "responseHeaders": { "entries": [ { "name": "comment-dispositions", "value": "=attachment; filename={{ $json.fileName }}" } ] } }, "respondWith": "binary" }, "typeVersion": 1.1, "notes": "This respondToWebhook node performs automated tasks as part of the workflow." }, { "id": "088c46b6-0d52-4059-877c-bb38408b4c22", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ -320, 100 ], "parameters": { "width": 740, "height": 440, "content": "# Cryptographic Operations\n## Generate Certificate and Sign PDF" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "6be21f42-4d11-4dc3-9d01-afed8afcde02", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ -320, 600 ], "parameters": { "width": 740, "height": 320, "content": "# Document Management\n## Download document\n" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "8972ffd2-ae7e-4999-ba31-242d23734498", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ -320, -560 ], "parameters": { "width": 1380, "height": 620, "content": "# Document Management\n## Upload Certificate and Upload PDF\n" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "262cfa68-f9bd-4145-9101-1bf3a3d2ea4a", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [ -1100, -80 ], "parameters": { "color": 4, "width": 740, "height": 840, "content": "# Request Processing and Method Routing" }, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow." }, { "id": "3d3620d6-4937-483d-a2e2-0a1089415a44", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [ 1120, -100 ], "parameters": { "color": 4, "width": 680, "height": 560, "content": "# 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