mirror of https://github.com/oxen-io/session-ios
registration validator
Michael Kirk
6 years ago
parent
cd70f9d0c3
commit
eb71c49794
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//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import SignalServiceKit
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@objc
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public enum ValidatedPhoneCountryCodes: UInt {
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case unitedStates = 1
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case brazil = 55
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}
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@objc
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public class PhoneNumberValidator: NSObject {
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@objc
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public func isValidForRegistration(phoneNumber: PhoneNumber) -> Bool {
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guard let countryCode = phoneNumber.getCountryCode() else {
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return false
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}
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guard let validatedCountryCode = ValidatedPhoneCountryCodes(rawValue: countryCode.uintValue) else {
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// no extra validation for this country
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return true
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}
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switch validatedCountryCode {
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case .brazil:
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return isValidForBrazilRegistration(phoneNumber: phoneNumber)
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case .unitedStates:
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return isValidForUnitedStatesRegistration(phoneNumber: phoneNumber)
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}
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}
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let validBrazilPhoneNumberRegex = try! NSRegularExpression(pattern: "^\\+55\\d{2}9?\\d{8}$", options: [])
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private func isValidForBrazilRegistration(phoneNumber: PhoneNumber) -> Bool {
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guard let e164 = phoneNumber.toE164() else {
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return false
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}
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return validBrazilPhoneNumberRegex.hasMatch(input: e164)
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}
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let validUnitedStatesPhoneNumberRegex = try! NSRegularExpression(pattern: "^\\+1\\d{10}$", options: [])
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private func isValidForUnitedStatesRegistration(phoneNumber: PhoneNumber) -> Bool {
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guard let e164 = phoneNumber.toE164() else {
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return false
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}
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return validUnitedStatesPhoneNumberRegex.hasMatch(input: e164)
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}
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}
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@ -0,0 +1,69 @@
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//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import XCTest
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import Signal
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class PhoneNumberValidatorTest: SignalBaseTest {
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func assertValid(e164: String,
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file: StaticString = #file,
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line: UInt = #line) {
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let validator = PhoneNumberValidator()
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guard let phoneNumber = PhoneNumber(fromE164: e164) else {
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XCTFail("unparseable phone number", file: file, line: line)
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return
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}
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let isValid = validator.isValidForRegistration(phoneNumber: phoneNumber)
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XCTAssertTrue(isValid, file: file, line: line)
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}
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func assertInvalid(e164: String,
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file: StaticString = #file,
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line: UInt = #line) {
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let validator = PhoneNumberValidator()
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guard let phoneNumber = PhoneNumber(fromE164: e164) else {
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XCTFail("unparseable phone number", file: file, line: line)
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return
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}
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let isValid = validator.isValidForRegistration(phoneNumber: phoneNumber)
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XCTAssertFalse(isValid, file: file, line: line)
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}
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func testUnitedStates() {
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// valid us number
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assertValid(e164: "+13235551234")
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// too short
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assertInvalid(e164: "+1323555123")
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// too long
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assertInvalid(e164: "+132355512345")
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// not a US phone number
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assertValid(e164: "+3235551234")
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}
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func testBrazil() {
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// valid mobile
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assertValid(e164: "+5532912345678")
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// valid landline
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assertValid(e164: "+553212345678")
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// mobile length, but with out the leading '9'
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assertInvalid(e164: "+5532812345678")
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// too short
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assertInvalid(e164: "+5532812345678")
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// too long landline
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assertInvalid(e164: "+5532123456789")
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assertInvalid(e164: "+55321234567890")
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// too long mobile
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assertInvalid(e164: "+55329123456789")
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assertInvalid(e164: "+553291234567890")
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}
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}
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@ -0,0 +1,14 @@
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//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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@objc
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public extension NSRegularExpression {
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@objc
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public func hasMatch(input: String) -> Bool {
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return self.firstMatch(in: input, options: [], range: NSRange(location: 0, length: input.utf16.count)) != nil
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}
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}
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