基础PDF数字签名服务
高级
这是一个Sales, Product, IT Ops领域的自动化工作流，包含 32 个节点。主要使用 If, Set, Code, Switch, Webhook 等节点。 创建支持Webhook的PDF数字签名REST API
前置要求
- •HTTP Webhook 端点（n8n 会自动生成）
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"id": "V1vbO2m79cFNH59h",
"meta": {
"instanceId": "255b605d49a6677a536746e05401de51bb4c62e65036d9acdb9908f6567f0361"
},
"name": "基础 PDF 数字签名服务",
"tags": [],
"nodes": [
{
"id": "a3aa7495-e5a8-4b7f-882a-e642fae414b8",
"name": "验证密钥生成参数",
"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
},
{
"id": "6a463b95-04e4-421d-b6e0-46fb98c85e20",
"name": "验证 PDF 签名参数",
"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_${timestamp}.pdf`;\n\nreturn {\n json: {\n ...requestBody,\n success: true,\n outputDir,\n inputPdfPath,\n pfxFilePath,\n outputPdfPath\n }\n};"
},
"typeVersion": 1
},
{
"id": "cec07784-a42b-4443-ad8e-1bd7686558c3",
"name": "验证 PDF 上传",
"type": "n8n-nodes-base.code",
"position": [
80,
-440
],
"parameters": {
"jsCode": "// Check required parameters for PDF upload\nconst requiredParams = ['fileData'];\n\nlet missingParams = [];\nfor (const param of requiredParams) {\n if (!$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 ...$input.item.json,\n success: true,\n outputDir,\n outputPath\n }\n};"
},
"typeVersion": 1
},
{
"id": "1b9304fd-f31d-45c7-8344-01c779e86f0d",
"name": "验证密钥上传",
"type": "n8n-nodes-base.code",
"position": [
80,
-140
],
"parameters": {
"jsCode": "// Check required parameters for key upload\nconst requiredParams = ['fileData'];\n\nlet missingParams = [];\nfor (const param of requiredParams) {\n if (!$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
},
{
"id": "efd59edb-6952-4165-ab21-745e03db74eb",
"name": "生成密钥",
"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
},
{
"id": "6834b314-dd66-429f-9264-6eba74c5984e",
"name": "签署 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
},
{
"id": "80e56344-b037-4c4f-8f18-b419e9c7516b",
"name": "准备成功响应",
"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
},
{
"id": "e32d1e3e-6877-4c1f-b46a-0c3c67fba609",
"name": "切换操作",
"type": "n8n-nodes-base.switch",
"position": [
-520,
200
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "upload",
"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": "genKey",
"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": "signPdf",
"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": "download",
"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
},
{
"id": "f28cb401-f180-4877-9440-aeb0c9f07791",
"name": "切换上传类型",
"type": "n8n-nodes-base.switch",
"position": [
-100,
-300
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "pdfDoc",
"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": "signKey",
"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
},
{
"id": "5aa1d5f3-66d4-4440-a953-6e453d00b757",
"name": "准备输入参数",
"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
},
{
"id": "ae983277-f9cf-43b3-86ef-1135919f976c",
"name": "设置文件路径",
"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
},
{
"id": "2667149c-8d3b-4772-be8c-a01c1a8efa6f",
"name": "将 PDF 转换为文件",
"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
},
{
"id": "6559070f-e071-4e3a-ad3b-87911032358f",
"name": "将 PDF 文件写入磁盘",
"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
},
{
"id": "0f6dfb44-8d83-4539-bec8-4aa4066c42bb",
"name": "从磁盘读取 PDF 文件",
"type": "n8n-nodes-base.readWriteFile",
"position": [
620,
-440
],
"parameters": {
"options": {},
"fileSelector": "={{ $json.fileName }}"
},
"typeVersion": 1
},
{
"id": "59e18825-dd53-4b09-aefc-0c567ada7f1a",
"name": "将 PFX 转换为文件",
"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
},
{
"id": "d079d173-5c68-4b57-9efd-29a3ec89b6c0",
"name": "将 PFX 文件写入磁盘",
"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
},
{
"id": "a2517543-fa29-4097-8f69-0c8cea6f9e07",
"name": "从磁盘读取 PFX 文件",
"type": "n8n-nodes-base.readWriteFile",
"position": [
620,
-140
],
"parameters": {
"options": {},
"fileSelector": "={{ $json.fileName }}"
},
"typeVersion": 1
},
{
"id": "2ec5c8cd-c9f5-4008-988b-ab724b9d8a0f",
"name": "检查 PDF 文件是否正常",
"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
},
{
"id": "2de3d4d5-6654-4019-b05a-2d1dc48c016f",
"name": "检查 PFX 文件是否正常",
"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
},
{
"id": "5a2405a6-daef-4e57-8ab8-62dc9600cd26",
"name": "检查成功状态",
"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
},
{
"id": "e7c2412e-eba2-4092-808f-808a27c2a64f",
"name": "设置下载文件信息",
"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
},
{
"id": "5710c64c-5edf-4de8-bb0a-dd9379c6ba1e",
"name": "从磁盘读取下载文件",
"type": "n8n-nodes-base.readWriteFile",
"position": [
0,
740
],
"parameters": {
"options": {},
"fileSelector": "={{ $json.fullFileName }}"
},
"typeVersion": 1
},
{
"id": "c6c8aea2-a770-4e32-94b5-c4b9f18ea3fe",
"name": "API POST 端点",
"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
},
{
"id": "c7387236-4d72-4123-b181-31059c7fb973",
"name": "API GET 端点",
"type": "n8n-nodes-base.webhook",
"position": [
-900,
560
],
"webhookId": "71854b24-a2b8-4cae-bb5d-3959f1573974",
"parameters": {
"path": "docu-download",
"options": {},
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "c87290be-95fd-4edf-8993-b0710714919b",
"name": "POST 成功响应",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1540,
120
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "501c7371-99a5-4d2f-bd54-ed8a9e8a67a9",
"name": "POST 错误响应",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1540,
280
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "3905360c-581c-4588-a509-7329e73a7ed6",
"name": "GET 响应 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
},
{
"id": "088c46b6-0d52-4059-877c-bb38408b4c22",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-320,
100
],
"parameters": {
"width": 740,
"height": 440,
"content": "# 加密操作"
},
"typeVersion": 1
},
{
"id": "6be21f42-4d11-4dc3-9d01-afed8afcde02",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-320,
600
],
"parameters": {
"width": 740,
"height": 320,
"content": "# 文档管理"
},
"typeVersion": 1
},
{
"id": "8972ffd2-ae7e-4999-ba31-242d23734498",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-320,
-560
],
"parameters": {
"width": 1380,
"height": 620,
"content": "# 文档管理"
},
"typeVersion": 1
},
{
"id": "262cfa68-f9bd-4145-9101-1bf3a3d2ea4a",
"name": "便签3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1100,
-80
],
"parameters": {
"color": 4,
"width": 740,
"height": 840,
"content": "# 请求处理和方法路由"
},
"typeVersion": 1
},
{
"id": "3d3620d6-4937-483d-a2e2-0a1089415a44",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1120,
-100
],
"parameters": {
"color": 4,
"width": 680,
"height": 560,
"content": "# 响应检查和格式化"
},
"typeVersion": 1
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "6ee0f9e6-8c82-46e1-a263-5fedb2e71ad5",
"connections": {
"Sign PDF": {
"main": [
[
{
"node": "check success",
"type": "main",
"index": 0
}
]
]
},
"Generate Keys": {
"main": [
[
{
"node": "check success",
"type": "main",
"index": 0
}
]
]
},
"check success": {
"main": [
[
{
"node": "Prepare Success Response",
"type": "main",
"index": 0
}
],
[
{
"node": "POST Error Response",
"type": "main",
"index": 0
}
]
]
},
"set file path": {
"main": [
[
{
"node": "Switch Operation",
"type": "main",
"index": 0
}
]
]
},
"API GET Endpoint": {
"main": [
[
{
"node": "set file path",
"type": "main",
"index": 0
}
]
]
},
"Switch Operation": {
"main": [
[
{
"node": "Prepare input params",
"type": "main",
"index": 0
}
],
[
{
"node": "Validate Key Gen Params",
"type": "main",
"index": 0
}
],
[
{
"node": "Validate PDF Sign Params",
"type": "main",
"index": 0
}
],
[
{
"node": "set downlowd file info",
"type": "main",
"index": 0
}
]
]
},
"API POST Endpoint": {
"main": [
[
{
"node": "set file path",
"type": "main",
"index": 0
}
]
]
},
"Switch Upload Type": {
"main": [
[
{
"node": "Validate PDF Upload",
"type": "main",
"index": 0
}
],
[
{
"node": "Validate Key Upload",
"type": "main",
"index": 0
}
]
]
},
"Convert PDF to File": {
"main": [
[
{
"node": "Write PDF File to Disk",
"type": "main",
"index": 0
}
]
]
},
"Convert PFX to File": {
"main": [
[
{
"node": "Write PFX File to Disk",
"type": "main",
"index": 0
}
]
]
},
"Validate Key Upload": {
"main": [
[
{
"node": "Convert PFX to File",
"type": "main",
"index": 0
}
]
]
},
"Validate PDF Upload": {
"main": [
[
{
"node": "Convert PDF to File",
"type": "main",
"index": 0
}
]
]
},
"Check PDF file is OK": {
"main": [
[
{
"node": "check success",
"type": "main",
"index": 0
}
]
]
},
"Check PFX file is OK": {
"main": [
[
{
"node": "check success",
"type": "main",
"index": 0
}
]
]
},
"Prepare input params": {
"main": [
[
{
"node": "Switch Upload Type",
"type": "main",
"index": 0
}
]
]
},
"GET Respond to Webhook": {
"main": [
[]
]
},
"Write PDF File to Disk": {
"main": [
[
{
"node": "Read PDF File from Disk",
"type": "main",
"index": 0
}
]
]
},
"Write PFX File to Disk": {
"main": [
[
{
"node": "Read PFX File from Disk",
"type": "main",
"index": 0
}
]
]
},
"set downlowd file info": {
"main": [
[
{
"node": "Read download file from Disk",
"type": "main",
"index": 0
}
]
]
},
"Read PDF File from Disk": {
"main": [
[
{
"node": "Check PDF file is OK",
"type": "main",
"index": 0
}
]
]
},
"Read PFX File from Disk": {
"main": [
[
{
"node": "Check PFX file is OK",
"type": "main",
"index": 0
}
]
]
},
"Validate Key Gen Params": {
"main": [
[
{
"node": "Generate Keys",
"type": "main",
"index": 0
}
]
]
},
"Prepare Success Response": {
"main": [
[
{
"node": "POST Success Response",
"type": "main",
"index": 0
}
]
]
},
"Validate PDF Sign Params": {
"main": [
[
{
"node": "Sign PDF",
"type": "main",
"index": 0
}
]
]
},
"Read download file from Disk": {
"main": [
[
{
"node": "GET Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 销售, 产品, IT 运维
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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人力资源
工作流信息
难度等级
高级
节点数量32
分类3
节点类型9
作者
Ferenc Erb
@fefehunWith 30+ years in IT and 20+ years in leadership, I specialize in no-code automation with n8n, optimizing workflows and integrating systems efficiently. As an Agile Coach and Project Manager, I’ve led teams, managed R&D, and driven IT transformations. Skilled in n8n, Java, Node.js, and cloud solutions, I help businesses streamline operations. Let’s connect if you need an n8n expert for automation!
外部链接
在 n8n.io 查看 →
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