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Merge pull request #5822 from mdickopp/mdickopp/pwGeneration

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Improve client-side password generation
This commit is contained in:
Finn Stutzenstein 2021-01-26 11:21:55 +01:00 committed by GitHub
commit 47a2204921
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 4 deletions
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18
client/src/app/core/repositories/users/user-repository.service.ts
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@ -181,11 +181,21 @@ export class UserRepositoryService extends BaseRepository<ViewUser, User, UserTi
*/
public getRandomPassword(length: number = 10): string {
let pw = '';
const array = new Uint8Array(length);
window.crypto.getRandomValues(array);
const characters = 'abcdefghijkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
for (let i = 0; i < length; i++) {
pw += characters.charAt(array[i] % characters.length);
// set charactersLengthPower2 to characters.length rounded up to the next power of two
let charactersLengthPower2 = 1;
while (characters.length > charactersLengthPower2) {
charactersLengthPower2 *= 2;
}
while (pw.length < length) {
const random = new Uint8Array(length - pw.length);
window.crypto.getRandomValues(random);
for (let i = 0; i < random.length; i++) {
const r = random[i] % charactersLengthPower2;
if (r < characters.length) {
pw += characters.charAt(r);
}
}
}
return pw;
}