: Ensure you are using an encrypted connection (look for the "HTTPS" lock icon) to protect your data during transit.
curl -X POST https://api.katsem.com/v2/upload \ -H "Authorization: Bearer YOUR_API_KEY" \ -F "file=@/path/to/your/document.pdf" \ -F "project_id=8843"
For legal or compliance matters, keep a separate spreadsheet logging: upload date, file names, hash values (provided by Katsem after upload), and the case name. This creates an extra layer of accountability.
import Router from 'katsem'; import multipart from '@katsem/multipart'; import S3Client from '@aws-sdk/client-s3'; import Upload from '@aws-sdk/lib-storage'; const router = new Router(); const s3 = new S3Client( region: 'us-east-1' ); router.post('/upload-to-cloud', multipart(), async (ctx) => const fileStream = ctx.request.files.avatar.stream; const fileName = ctx.request.files.avatar.originalName; try const parallelUpload = new Upload( client: s3, params: Bucket: 'your-production-bucket-name', Key: `avatars/$Date.now()-$fileName`, Body: fileStream, , ); const result = await parallelUpload.done(); ctx.status = 200; ctx.body = success: true, url: result.Location ; catch (err) ctx.status = 500; ctx.body = success: false, error: err.message ; ); Use code with caution. Essential security best practices
Implement server-side verification libraries (like file-type in Node or python-magic in Python) to read the file’s hexadecimal magic numbers (the actual binary signature at the start of the file) before saving it permanently. 2. Rename Files Upon Arrival
: Once selected, the system typically checks the file against allowed extensions and size limits. The server then breaks the data into packets for transmission.
const express = require('express'); const multer = require('multer'); const path = require('path'); const crypto = require('crypto'); const app = express(); const PORT = process.env.PORT || 3000; // Configure Katsem Storage Strategy const storage = multer.diskStorage( destination: function (req, file, cb) cb(null, 'uploads/katsem-vault/'); , filename: function (req, file, cb) // Generate a random 16-byte hex string to completely overwrite the original filename const uniqueSuffix = crypto.randomBytes(16).toString('hex'); // Extract original extension safely const fileExtension = path.extname(file.originalname).toLowerCase(); cb(null, `katsem-$uniqueSuffix$fileExtension`); ); // Enforce strict upload limits const upload = multer( storage: storage, limits: fileSize: 10 * 1024 * 1024 , // Limit: 10MB fileFilter: function (req, file, cb) pdf ).single('katsemFile'); // Target Upload API Route app.post('/api/upload', (req, res) => upload(req, res, (err) => if (err) return res.status(400).json( success: false, message: err.message ); if (!req.file) return res.status(400).json( success: false, message: 'No file received.' ); // Log successful operation safely console.log(`File stored successfully: $req.file.filename`); res.status(200).json( success: true, message: 'File processed through Katsem pipeline.', filename: req.file.filename // Do NOT expose the absolute system paths to the frontend ); ); ); app.listen(PORT, () => console.log(`Katsem server running on port $PORT`); ); Use code with caution. Critical Security Practices for Katsem Uploads
: If the hosting server is busy or down for maintenance, it may fail to respond to the upload request. 🔒 Security Best Practices
When uploading to any platform, consider these safety measures:
: Ensure you are using an encrypted connection (look for the "HTTPS" lock icon) to protect your data during transit. katsem file upload
curl -X POST https://api.katsem.com/v2/upload \ -H "Authorization: Bearer YOUR_API_KEY" \ -F "file=@/path/to/your/document.pdf" \ -F "project_id=8843"
For legal or compliance matters, keep a separate spreadsheet logging: upload date, file names, hash values (provided by Katsem after upload), and the case name. This creates an extra layer of accountability.
import Router from 'katsem'; import multipart from '@katsem/multipart'; import S3Client from '@aws-sdk/client-s3'; import Upload from '@aws-sdk/lib-storage'; const router = new Router(); const s3 = new S3Client( region: 'us-east-1' ); router.post('/upload-to-cloud', multipart(), async (ctx) => const fileStream = ctx.request.files.avatar.stream; const fileName = ctx.request.files.avatar.originalName; try const parallelUpload = new Upload( client: s3, params: Bucket: 'your-production-bucket-name', Key: `avatars/$Date.now()-$fileName`, Body: fileStream, , ); const result = await parallelUpload.done(); ctx.status = 200; ctx.body = success: true, url: result.Location ; catch (err) ctx.status = 500; ctx.body = success: false, error: err.message ; ); Use code with caution. Essential security best practices : Ensure you are using an encrypted connection
Implement server-side verification libraries (like file-type in Node or python-magic in Python) to read the file’s hexadecimal magic numbers (the actual binary signature at the start of the file) before saving it permanently. 2. Rename Files Upon Arrival
: Once selected, the system typically checks the file against allowed extensions and size limits. The server then breaks the data into packets for transmission.
const express = require('express'); const multer = require('multer'); const path = require('path'); const crypto = require('crypto'); const app = express(); const PORT = process.env.PORT || 3000; // Configure Katsem Storage Strategy const storage = multer.diskStorage( destination: function (req, file, cb) cb(null, 'uploads/katsem-vault/'); , filename: function (req, file, cb) // Generate a random 16-byte hex string to completely overwrite the original filename const uniqueSuffix = crypto.randomBytes(16).toString('hex'); // Extract original extension safely const fileExtension = path.extname(file.originalname).toLowerCase(); cb(null, `katsem-$uniqueSuffix$fileExtension`); ); // Enforce strict upload limits const upload = multer( storage: storage, limits: fileSize: 10 * 1024 * 1024 , // Limit: 10MB fileFilter: function (req, file, cb) pdf ).single('katsemFile'); // Target Upload API Route app.post('/api/upload', (req, res) => upload(req, res, (err) => if (err) return res.status(400).json( success: false, message: err.message ); if (!req.file) return res.status(400).json( success: false, message: 'No file received.' ); // Log successful operation safely console.log(`File stored successfully: $req.file.filename`); res.status(200).json( success: true, message: 'File processed through Katsem pipeline.', filename: req.file.filename // Do NOT expose the absolute system paths to the frontend ); ); ); app.listen(PORT, () => console.log(`Katsem server running on port $PORT`); ); Use code with caution. Critical Security Practices for Katsem Uploads Rename Files Upon Arrival : Once selected, the
: If the hosting server is busy or down for maintenance, it may fail to respond to the upload request. 🔒 Security Best Practices
When uploading to any platform, consider these safety measures:
