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-rw-r--r--src/util/Constants.ts16
-rw-r--r--src/util/passwordStrength.ts60
2 files changed, 75 insertions, 1 deletions
diff --git a/src/util/Constants.ts b/src/util/Constants.ts

index 35d11615..ec508236 100644 --- a/src/util/Constants.ts +++ b/src/util/Constants.ts
@@ -71,6 +71,13 @@ export interface DefaultOptions { requireInvite: boolean; allowNewRegistration: boolean; allowMultipleAccounts: boolean; + password: { + minLength: number; + minNumbers: number; + minUpperCase: number; + minSymbols: number; + blockInsecureCommonPasswords: boolean; // TODO: efficiently save password blocklist in database + }; }; } @@ -123,7 +130,7 @@ export const DefaultOptions: DefaultOptions = { required: true, allowlist: false, blocklist: true, - domains: [], // TODO: efficicently save domain blocklist in database + domains: [], // TODO: efficiently save domain blocklist in database // domains: fs.readFileSync(__dirname + "/blockedEmailDomains.txt", { encoding: "utf8" }).split("\n"), }, dateOfBirth: { @@ -134,6 +141,13 @@ export const DefaultOptions: DefaultOptions = { requireCaptcha: true, allowNewRegistration: true, allowMultipleAccounts: true, + password: { + minLength: 8, + minNumbers: 2, + minUpperCase: 2, + minSymbols: 0, + blockInsecureCommonPasswords: false, + }, }, }; diff --git a/src/util/passwordStrength.ts b/src/util/passwordStrength.ts new file mode 100644
index 00000000..f6cec9da --- /dev/null +++ b/src/util/passwordStrength.ts
@@ -0,0 +1,60 @@ +import "missing-native-js-functions"; +import Config from "./Config"; + +const reNUMBER = /[0-9]/g; +const reUPPERCASELETTER = /[A-Z]/g; +const reSYMBOLS = /[A-Z,a-z,0-9]/g; + +const blocklist: string[] = []; // TODO: update ones passwordblocklist is stored in db +/* + * https://en.wikipedia.org/wiki/Password_policy + * password must meet following criteria, to be perfect: + * - min <n> chars + * - min <n> numbers + * - min <n> symbols + * - min <n> uppercase chars + * + * Returns: 0 > pw > 1 + */ +export function check(password: string): number { + const { + minLength, + minNumbers, + minUpperCase, + minSymbols, + blockInsecureCommonPasswords, + } = Config.get().register.password; + var strength = 0; + + // checks for total password len + if (password.length >= minLength - 1) { + strength += 0.25; + } + + // checks for amount of Numbers + if (password.count(reNUMBER) >= minNumbers - 1) { + strength += 0.25; + } + + // checks for amount of Uppercase Letters + if (password.count(reUPPERCASELETTER) >= minUpperCase - 1) { + strength += 0.25; + } + + // checks for amount of symbols + if (password.replace(reSYMBOLS, "").length >= minSymbols - 1) { + strength += 0.25; + } + + // checks if password only consists of numbers or only consists of chars + if (password.length == password.count(reNUMBER) || password.length === password.count(reUPPERCASELETTER)) { + strength = 0; + } + + if (blockInsecureCommonPasswords) { + if (blocklist.includes(password)) { + strength = 0; + } + } + return strength; +}