wehub-resource-sync
34 lines
1.4 KiB
Swift
34 lines
1.4 KiB
Swift
import Foundation
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enum PersonalInfoRedactor {
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static let emailPlaceholder = ""
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private static let emailRegex: NSRegularExpression? = {
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let pattern = #"[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}"#
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return try? NSRegularExpression(pattern: pattern, options: [.caseInsensitive])
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}()
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static func redactEmail(_ email: String?, isEnabled: Bool) -> String {
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guard let email, !email.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else { return "" }
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guard isEnabled else { return email }
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return Self.emailPlaceholder
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}
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static func redactEmails(in text: String?, isEnabled: Bool) -> String? {
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guard let text else { return nil }
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guard isEnabled else { return text }
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guard let regex = Self.emailRegex else { return text }
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let range = NSRange(text.startIndex..<text.endIndex, in: text)
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guard regex.firstMatch(in: text, options: [], range: range) != nil else { return text }
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let redacted = regex.stringByReplacingMatches(
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in: text,
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options: [],
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range: range,
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withTemplate: Self.emailPlaceholder)
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return redacted
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.replacingOccurrences(of: #"\s+([:.,;])"#, with: "$1", options: .regularExpression)
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.replacingOccurrences(of: #"\s{2,}"#, with: " ", options: .regularExpression)
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.trimmingCharacters(in: .whitespacesAndNewlines)
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}
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}
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