mirror of
https://github.com/diegosouzapw/OmniRoute.git
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54be51a664
Remove every reference to the competing open-source project from docs, comparisons, i18n mirrors, comments, and source files so the branch history does not expose competitive intelligence.
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
import { readFileSync, existsSync } from "node:fs";
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/**
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* Validates that a file starts with a known native-binary magic number.
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* Returns the platform label ("elf" | "macho" | "macho-le" | "macho-fat" | "pe")
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* or null if unrecognized / missing / unreadable.
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*
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*/
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export function validateBinaryMagic(path) {
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if (!existsSync(path)) return null;
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let buf;
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try {
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buf = readFileSync(path, { encoding: null }).subarray(0, 16);
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} catch {
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return null;
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}
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if (buf.length < 4) return null;
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// ELF: 7F 45 4C 46
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if (buf[0] === 0x7f && buf[1] === 0x45 && buf[2] === 0x4c && buf[3] === 0x46) return "elf";
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// Mach-O big-endian: FE ED FA CF (64-bit) / FE ED FA CE (32-bit)
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if (buf[0] === 0xfe && buf[1] === 0xed && buf[2] === 0xfa && buf[3] === 0xcf) return "macho";
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if (buf[0] === 0xfe && buf[1] === 0xed && buf[2] === 0xfa && buf[3] === 0xce) return "macho";
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// Mach-O little-endian: CF FA ED FE (64-bit) / CE FA ED FE (32-bit)
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if (buf[0] === 0xcf && buf[1] === 0xfa && buf[2] === 0xed && buf[3] === 0xfe) return "macho-le";
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if (buf[0] === 0xce && buf[1] === 0xfa && buf[2] === 0xed && buf[3] === 0xfe) return "macho-le";
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// Mach-O fat (universal binary): CA FE BA BE
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if (buf[0] === 0xca && buf[1] === 0xfe && buf[2] === 0xba && buf[3] === 0xbe) return "macho-fat";
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// PE (Windows .node — DLL): MZ at offset 0
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if (buf[0] === 0x4d && buf[1] === 0x5a) return "pe";
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return null;
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}
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/**
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* Returns the expected magic label for the current platform.
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* Used to validate that a runtime-installed binary matches this OS.
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*/
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export function platformBinaryLabel() {
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if (process.platform === "win32") return "pe";
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if (process.platform === "darwin") return "macho";
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return "elf";
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}
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