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Edit File: parsePkcs12.js

"use strict";

let forge = require("node-forge");

let APNKey = require("./APNKey");
let APNCertificate = require("./APNCertificate");

function decryptPkcs12FromAsn1(asn1, passphrase) {
  try {
    return forge.pkcs12.pkcs12FromAsn1(asn1, false, passphrase);
  }
  catch (e) {
    // OpenSSL-exported files need an empty string, if no password was specified
    // during export.
    if (passphrase) {
      throw e;
    }
    return forge.pkcs12.pkcs12FromAsn1(asn1, false, "");
  }
}

function apnCredentialsFromPkcs12(p12Data, passphrase) {
  if (!p12Data) {
    return;
  }

let asn1 = forge.asn1.fromDer(p12Data.toString("binary"), false);
  let pkcs12;
  try {
    pkcs12 = decryptPkcs12FromAsn1(asn1, passphrase);
  }
  catch(e) {
    if (e.message.match("Invalid password")) {
      throw new Error("unable to parse credentials, incorrect passphrase");
    }
    else {
      throw new Error("unable to parse credentials, not a PFX/P12 file");
    }
  }

let credentials = { "key": null, "certificates": []};
  pkcs12.safeContents.forEach(function(safeContents) {
    safeContents.safeBags.forEach(function(safeBag) {
      if(safeBag.type === forge.pki.oids.pkcs8ShroudedKeyBag) {
        if(credentials.key) {
          throw new Error("multiple keys found in PFX/P12 file");
        }
        credentials.key = new APNKey(safeBag.key);
      }
      else if(safeBag.type === forge.pki.oids.certBag) {
        credentials.certificates.push(new APNCertificate(safeBag.cert));
      }
    });
  });

return credentials;
}

module.exports = apnCredentialsFromPkcs12;

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