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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // NJOPasswordValidator.swift | ||
| // Navajo | ||
| // | ||
| // Created by Jason Nam on 2015. 10. 9.. | ||
| // Copyright © 2015년 Jason Nam. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
|
|
||
| public class NJOPasswordValidator: NSObject | ||
| { | ||
| private var _rules: [NJOPasswordRule]! = nil | ||
|
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| public convenience init(rules: [NJOPasswordRule]) | ||
| { | ||
| self.init() | ||
| _rules = rules | ||
| } | ||
|
|
||
| public class func standardValidator() -> NJOPasswordValidator | ||
| { | ||
| return NJOPasswordValidator(rules: [NJOLengthRule(min: 6, max: 24)]) | ||
| } | ||
|
|
||
| public class func standardLengthRule() -> NJOLengthRule | ||
| { | ||
| return NJOLengthRule(min: 6, max: 24) | ||
| } | ||
|
|
||
| public func validatePassword(password: String) -> [NJOPasswordRule]? | ||
| { | ||
| var failingRules: [NJOPasswordRule] = [] | ||
|
|
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| for rule in _rules | ||
| { | ||
| if rule.evaluateWithString(password) | ||
| { | ||
| failingRules.insert(rule, atIndex: failingRules.count) | ||
| } | ||
| } | ||
|
|
||
| if failingRules.count == 0 | ||
| { | ||
| return nil | ||
| } | ||
| else if failingRules.count > 0 | ||
| { | ||
| return failingRules | ||
| } | ||
| else | ||
| { | ||
| return nil | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| // | ||
| // SwiftyNavajo.swift | ||
| // | ||
| // Copyright (c) 2015 Jason Nam (http://www.jasonnam.com) | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
| // | ||
|
|
||
| import UIKit | ||
|
|
||
| public enum NJOPasswordStrength | ||
| { | ||
| case VeryWeak | ||
| case Weak | ||
| case Reasonable | ||
| case Strong | ||
| case VeryStrong | ||
| } | ||
|
|
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| public class Navajo: NSObject | ||
| { | ||
| public class func strengthOfPassword(password: String) -> NJOPasswordStrength | ||
| { | ||
| return NJOPasswordStrengthForEntropy(NJOEntropyForString(password)) | ||
| } | ||
|
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| public class func localizedStringForPasswordStrength(strength: NJOPasswordStrength) -> String | ||
| { | ||
| switch strength | ||
| { | ||
| case .VeryWeak: | ||
| return NSLocalizedString("NAVAJO_VERY_WEAK", tableName: nil, bundle: NSBundle.mainBundle(), value: "Very Weak", comment: "Navajo - Very weak") | ||
| case .Weak: | ||
| return NSLocalizedString("NAVAJO_WEAK", tableName: nil, bundle: NSBundle.mainBundle(), value: "Weak", comment: "Navajo - Weak") | ||
| case .Reasonable: | ||
| return NSLocalizedString("NAVAJO_REASONABLE", tableName: nil, bundle: NSBundle.mainBundle(), value: "Reasonable", comment: "Navajo - Reasonable") | ||
| case .Strong: | ||
| return NSLocalizedString("NAVAJO_STRONG", tableName: nil, bundle: NSBundle.mainBundle(), value: "Strong", comment: "Navajo - Strong") | ||
| case .VeryStrong: | ||
| return NSLocalizedString("NAVAJO_VERY_STRONG", tableName: nil, bundle: NSBundle.mainBundle(), value: "Very Strong", comment: "Navajo - Very Strong") | ||
| } | ||
| } | ||
|
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| private class func NJOEntropyForString(string: String) -> Float | ||
| { | ||
| if string.characters.count == 0 | ||
| { | ||
| return 0.0 | ||
| } | ||
|
|
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| var sizeOfCharacterSet: Float = 0 | ||
|
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| (string as NSString).enumerateSubstringsInRange(NSMakeRange(0, string.characters.count), options: NSStringEnumerationOptions.ByComposedCharacterSequences) { ( substring, substringRange, enclosingRange, stop) -> () in | ||
|
|
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| let char = (substring! as NSString).characterAtIndex(0) | ||
|
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| if NSCharacterSet.lowercaseLetterCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 26 | ||
| } | ||
|
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| if NSCharacterSet.uppercaseLetterCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 26 | ||
| } | ||
|
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| if NSCharacterSet.decimalDigitCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 10 | ||
| } | ||
|
|
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| if NSCharacterSet.symbolCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 10 | ||
| } | ||
|
|
||
| if NSCharacterSet.punctuationCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 20 | ||
| } | ||
|
|
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| if NSCharacterSet.whitespaceAndNewlineCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 1 | ||
| } | ||
|
|
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| if NSCharacterSet.nonBaseCharacterSet().characterIsMember(char) | ||
| { | ||
| sizeOfCharacterSet += 32 + 128 | ||
| } | ||
| } | ||
|
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| return log2f(sizeOfCharacterSet) * Float(string.characters.count) | ||
| } | ||
|
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| private class func NJOPasswordStrengthForEntropy(entropy: Float) -> NJOPasswordStrength | ||
| { | ||
| if entropy < 28 | ||
| { | ||
| return .VeryWeak | ||
| } | ||
| else if entropy < 36 | ||
| { | ||
| return .Weak | ||
| } | ||
| else if entropy < 60 | ||
| { | ||
| return .Reasonable | ||
| } | ||
| else if entropy < 128 | ||
| { | ||
| return .Strong | ||
| } | ||
| else | ||
| { | ||
| return .VeryStrong | ||
| } | ||
| } | ||
| } |