diff --git a/enzevalos_iphone/StringExtension.swift b/enzevalos_iphone/StringExtension.swift
index 4d06992f15aaa5e970cd1c8b9ec01f8c556531b0..c3806413ba900a87b3f4920570da7a17de9f65ac 100644
--- a/enzevalos_iphone/StringExtension.swift
+++ b/enzevalos_iphone/StringExtension.swift
@@ -64,6 +64,37 @@ extension String {
}
}
+extension String {
+ /**
+ Returns true if a String contains upper case letters.
+ */
+ func containsUpperCaseLetter() -> Bool {
+ let url = self
+ let regEx = "[A-Z]"
+ let range = NSRange(location: 0, length: url.utf16.count)
+ let regex = try! NSRegularExpression(pattern: regEx)
+ if regex.firstMatch(in: url, options:[], range: range) != nil {
+ return true
+ }
+ return false
+ }
+
+ /**
+ Returns true if the string contains two or more consecutive dots
+ */
+ func twoDotsOrMore() -> Bool {
+ let url = self
+ // Finds 2 or more consecutive dots
+ let regEx = "\\.{2,}"
+ let range = NSRange(location: 0, length: url.utf16.count)
+ let regex = try! NSRegularExpression(pattern: regEx)
+ if regex.firstMatch(in: url, options:[], range: range) != nil {
+ return true
+ }
+ return false
+ }
+}
+
/**
functions to split an emailadress into their domains
*/
@@ -141,7 +172,6 @@ Functions to find E-mail adresses and URLs
extension String {
func isValidEmail() -> Bool {
-
let emailRegEx = "(?!\\u10000-\\uEFFFF.*\\.\\.)([^@\\s]{2,64}+@[^@\\s]+\\.[^@\\s\\.]+$)"
let emailTest = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return emailTest.evaluate(with: self)
@@ -193,21 +223,6 @@ extension String {
return(results)
}
- /**
- Returns true if the string contains two or more consecutive dots
- */
- func twoDotsOrMore() -> Bool {
- let url = self
- // Finds 2 or more consecutive dots
- let regEx = "\\.{2,}"
- let range = NSRange(location: 0, length: url.utf16.count)
- let regex = try! NSRegularExpression(pattern: regEx)
- if regex.firstMatch(in: url, options:[], range: range) != nil {
- return true
- }
- return false
- }
-
/**
For text only, not for hyperlink detection
Returns URLs from a given String
@@ -354,239 +369,6 @@ extension String {
}
}
-/**
-Functions to validate URLs and Email adresses
-*/
-extension String {
-
- /**
- Compares a String with a list of strings and checks whether the edit distance between them is in the allowed range.
- Returns a boolean value and a list of strings that had an un-allowed edit distance with the original string
- The Bool values is returned False: if the string has an un-allowed edit distance with any other element from the list.
- */
- func compareWith(strings: [String], allowedEditDistance: Int) -> (Bool, [String]) {
- var isAllowedEditDistance = true
- var strList: [String] = []
- for str in strings {
- if !self.isAllowedDistance(str: str, allowedEditDistance: allowedEditDistance) {
- isAllowedEditDistance = false
- strList.append(str)
- }
- }
- return (isAllowedEditDistance, strList)
- }
-
- /**
- Compares a url's root domain with all root domain of all elements in a given url list.
- false: if the URL's root domain has an unallowed edit distance with any other root domain.
- */
- func compareURLs(urls: [String]) -> Bool {
- let rootDomain = self.getRootDomain()
- var isAllowedEditDistance = true
- for url in urls {
- let rd = url.getRootDomain()
- if !rootDomain.isAllowedDistance(str: rd, allowedEditDistance: 4) {
- // 2 domains contain less than 4 differences --> warning here needed
- print("Warning!! \n Edit distance is not in the allowed range between link: " + self + " and link: " + url)
- isAllowedEditDistance = false
- }
- }
- return isAllowedEditDistance
- }
-
- /**
- Compares a url's root domain with all root domain of all elements in a given url list.
- Returns an dictionary with the urls as the keys and and a bollean if it fits the allowed editdistance as value
- isAllowedDistance is false: if the URL's root domain has an unallowed edit distance with any other root domain.
- */
- func compareURLsDic(urls: [String]) -> [String:String] {
- let rootDomain = self.getRootDomain()
- var isAllowedEditDistance = true
- var typoDic: [String:String] = [:]
- for url in urls {
- let rd = url.getRootDomain()
- if !rootDomain.isAllowedDistance(str: rd, allowedEditDistance: 4) {
- // 2 domains contain less than 4 differences --> warning here needed
- print("Warning!! \n Edit distance is not in the allowed range between link: " + self + " and link: " + url)
- isAllowedEditDistance = false
- typoDic.updateValue(String(isAllowedEditDistance), forKey : url)
- isAllowedEditDistance = true
- }
- else{
- typoDic.updateValue(String(isAllowedEditDistance), forKey : url)
- }
- }
- return typoDic
- }
-
- /**
- Compares a url's root domain with all root domain of all elements in a givin url list.
- Retruns an dictionary with the URLs as keys and the Editdistance as value
- */
- func getURLEditdistance(urls: [String]) -> [String:String] {
- let rootDomain = self.getRootDomain()
- var urlEditDic: [String:String] = [:]
- var editDistance = 0
- for url in urls {
- let rd = url.getRootDomain()
- editDistance = rootDomain.getEditDistance(str: rd)
- urlEditDic.updateValue(String(editDistance), forKey : url)
- }
- return urlEditDic
- }
-
- /**
- Compares a URLs second-level domain with all elements of a givin domain list.
- false: if the URL's second-level domain has an unallowed edit distance with any other domain.
- */
- func compareURLWithSLDList(domains: [String]) -> Bool {
- let secondLevelDomain = self.getSecondLevelDomain()
- var isAllowedEditDistance = true
- for domain in domains {
- if !secondLevelDomain.isAllowedDistance(str: domain, allowedEditDistance: 4) {
- // 2 domains contain less than 4 differences --> warning here needed
- print("Warning!! \n Edit distance is not in the allowed range between domain: " + secondLevelDomain + " and domain: " + domain)
- isAllowedEditDistance = false
- }
- }
- return isAllowedEditDistance
- }
-
- /**
- Compares a url's second level domain with all domains of all elements in a givin url list.
- Returns an dictionary with the domains as the keys and and a bollean if it fits the allowed editdistance as value
- isAllowedDistance is false: if the URL's second level domain has an unallowed edit distance with any other domain.
- */
- func compareURLWithSLDListDic(domains: [String]) -> [String:String] {
- let secondLevelDomain = self.getSecondLevelDomain()
- var isAllowedEditDistance = true
- var typoDic: [String:String] = [:]
- for domain in domains {
- if !secondLevelDomain.isAllowedDistance(str: domain, allowedEditDistance: 4) {
- // 2 domains contain less than 4 differences --> warning here needed
- print("Warning!! \n Edit distance is not in the allowed range between link: " + self + " and link: " + domain)
- isAllowedEditDistance = false
- typoDic.updateValue(String(isAllowedEditDistance), forKey : domain)
- isAllowedEditDistance = true
- }
- else{
- typoDic.updateValue(String(isAllowedEditDistance), forKey : domain)
- }
- }
- return typoDic
- }
-
- /**
- Compares a url's second-level domain with all elements of a givin domain list.
- Retruns an dictionary with the second level domain as keys and the editdistance as value
- */
- func getSLDEditdistance(domains: [String]) -> [String:String] {
- let secondLevelDomain = self.getSecondLevelDomain()
- var sldEditDic: [String:String] = [:]
- var editDistance = 0
- for domain in domains {
- editDistance = secondLevelDomain.getEditDistance(str: domain)
- sldEditDic.updateValue(String(editDistance), forKey : domain)
- }
- return sldEditDic
- }
-
- /**
- Compares a second-level domain with all elements of a givin second-level domain list.
- false: if the second-level domain has an unallowed edit distance with any other domain.
- */
- func compareDomainWithDomians(domains: [String]) -> Bool {
- var isAllowedEditDistance = true
- for domain in domains {
- if !self.isAllowedDistance(str: domain, allowedEditDistance: 4) {
- // 2 domains contain less than 4 differences --> warning here needed
- print("Warning!! \n Edit distance is not in the allowed range between domain: " + self + " and domain: " + domain)
- isAllowedEditDistance = false
- }
- }
- return isAllowedEditDistance
- }
-
- /**
- Compares a second level domain withall elements of a givin second-level domain list.
- Returns an dictionary with the domains as the keys and and a bollean if it fits the allowed editdistance as value
- isAllowedDistance is false: if the second level domain has an unallowed edit distance with any other domain.
- */
- func compareDomainWithDomiansDic(domains: [String]) -> [String:String] {
- var isAllowedEditDistance = true
- var typoDic: [String:String] = [:]
- for domain in domains {
- if !self.isAllowedDistance(str: domain, allowedEditDistance: 4) {
- // 2 domains contain less than 4 differences --> warning here needed
- print("Warning!! \n Edit distance is not in the allowed range between link: " + self + " and link: " + domain)
- isAllowedEditDistance = false
- typoDic.updateValue(String(isAllowedEditDistance), forKey : domain)
- isAllowedEditDistance = true
- }
- else{
- typoDic.updateValue(String(isAllowedEditDistance), forKey : domain)
- }
- }
- return typoDic
- }
-
- /**
- Compares a domain with all elements of a givin domain list.
- Retruns an dictionary with domains as keys and the editdistance as value
- */
- func getDomainEditdistance(domains: [String]) -> [String:String] {
- var domainEditDic: [String:String] = [:]
- var editDistance = 0
- for domain in domains {
- editDistance = self.getEditDistance(str: domain)
- domainEditDic.updateValue(String(editDistance), forKey : domain)
- }
- return domainEditDic
- }
-
- /**
- Returns true if a String contains upper case letters.
- */
- func containsUpperCaseLetter() -> Bool {
- let url = self
- let regEx = "[A-Z]"
- let range = NSRange(location: 0, length: url.utf16.count)
- let regex = try! NSRegularExpression(pattern: regEx)
- if regex.firstMatch(in: url, options:[], range: range) != nil {
- return true
- }
- return false
- }
-
- /**
- Returns valid Root Domain and verifys them
- */
- func isValidRD() -> [String] {
- let urls = self.findURL()
- var foundRDs: [String] = []
- for url in urls {
- let urlString: String = url!
- if !urlString.containsUpperCaseLetter() {
- guard let result: TLDResult = extractor.parse(urlString) else { continue }
- if let rd = result.rootDomain {
- let rdPatternRegEx = "^([a-z0-9])*([a-z0-9-]+\\.)*[a-z0-9]*([a-z0-9-]+)*[a-z0-9]+\\.[a-z]{2,11}?$" // for hostname
- let range = NSRange(location: 0, length: rd.utf16.count)
- let regex = try! NSRegularExpression(pattern: rdPatternRegEx)
- if regex.firstMatch(in: rd, options:[], range: range) != nil {
- foundRDs.append(rd)
- } else {
- // domain did not pass the regex --> warning here needed
- }
- }
- } else {
- // domain contains capital letters --> warning here needed
- }
- }
- // Returns non-Critical Root Domain list
- return (foundRDs)
- }
-}
-
/**
Levenshtein Algorithm to calculate the editdistance
Returns the editdistance betwenn two Strings
@@ -626,6 +408,23 @@ extension String {
}
return true
}
+
+ /**
+ Compares a String with a list of strings and checks whether the edit distance between them is in the allowed range.
+ Returns a boolean value and a list of strings that had an un-allowed edit distance with the original string
+ The Bool values is returned False: if the string has an un-allowed edit distance with any other element from the list.
+ */
+ func compareWith(strings: [String], allowedEditDistance: Int) -> (Bool, [String]) {
+ var isAllowedEditDistance = true
+ var strList: [String] = []
+ for str in strings {
+ if !self.isAllowedDistance(str: str, allowedEditDistance: allowedEditDistance) {
+ isAllowedEditDistance = false
+ strList.append(str)
+ }
+ }
+ return (isAllowedEditDistance, strList)
+ }
/**
Levenshtein Algorithm
diff --git a/enzevalos_iphoneTests/phishing/TyposquattingTests.swift b/enzevalos_iphoneTests/phishing/TyposquattingTests.swift
index 91a5fd28bdd3dbb2f11d1dd3832d3fc96cbb4202..028b9c8631ec56350fda109899865a09da43ce09 100644
--- a/enzevalos_iphoneTests/phishing/TyposquattingTests.swift
+++ b/enzevalos_iphoneTests/phishing/TyposquattingTests.swift
@@ -14,7 +14,7 @@ class TyposquattingTests: XCTestCase {
let typosquatting = Typosquatting()
- // Setup
+ // Setup for testcases
let validRD = ["fu-berlin.de", "google.de", "nljbjkjk.de", "w3schools.com", "w2schools.com", "w8schools.com", "w33schools.com", "w22schools.com", "w99schools.eu.com", "3schools.com"]
let validSLD = ["fu-berlin", "google", "nljbjkjk", "w3schools", "w2schools", "w8schools", "w33schools", "w22schools", "w99schools.eu", "3schools"]
@@ -84,5 +84,4 @@ class TyposquattingTests: XCTestCase {
let url = "www.w2schools.com"
XCTAssertFalse(typosquatting.compareURLs(url: url, urls: validURLs))
}
-
}