38 lines
955 B
JavaScript
Executable File
38 lines
955 B
JavaScript
Executable File
#!/usr/bin/env node
|
|
// CLI for querying safe-regex for safety analysis
|
|
// Input: JSON-formatted file with an object with key 'pattern'
|
|
// Output: STDOUT: JSON-formatted object with new key 'isSafe' and value 0 or 1
|
|
// STDERR: Progress updates
|
|
|
|
var safe = require('../'),
|
|
fs = require('fs');
|
|
|
|
if (process.argv.length != 3) {
|
|
console.error(`Usage: ${process.argv[1]} pattern.json`);
|
|
process.exit(1);
|
|
}
|
|
const file = process.argv[2];
|
|
|
|
// Get pattern
|
|
const cont = fs.readFileSync(file, 'utf-8');
|
|
let pattern = JSON.parse(cont);
|
|
|
|
// Can analyze? Is safe?
|
|
let canAnalyze = 0;
|
|
let isSafe = 0;
|
|
try {
|
|
isSafe = safe(pattern.pattern) ? 1 : 0;
|
|
canAnalyze = 1;
|
|
} catch (e) {
|
|
canAnalyze = 0;
|
|
isSafe = 'unknown';
|
|
}
|
|
|
|
pattern.canAnalyze = canAnalyze;
|
|
pattern.isSafe = isSafe;
|
|
|
|
// Emit.
|
|
console.error(`Pattern /${pattern.pattern}/: canAnalyze ${pattern.canAnalyze} isSafe ${pattern.isSafe}`);
|
|
console.log(JSON.stringify(pattern));
|
|
process.exit(0);
|