Log or delete keychain items for app

KeychainDebug.swift

import Foundation

// Log and/or delete keychain items for app.
// 
// Credit to:
// https://bootstragram.com/blog/deleting-keychain-items/
//
public class KeychainDebug: NSObject {
    
    
    @objc public class func iterateKeychainItems(log: Bool, delete: Bool) {
        let secItemClasses = [
            kSecClassGenericPassword,
            kSecClassInternetPassword,
            kSecClassCertificate,
            kSecClassKey,
            kSecClassIdentity
        ]
        
        if (log) {
            for secItemClass in secItemClasses {
                let query: [String: Any] = [
                    kSecReturnAttributes as String: kCFBooleanTrue,
                    kSecMatchLimit as String: kSecMatchLimitAll,
                    kSecClass as String: secItemClass
                ]
                
                var result: AnyObject?
                let status = SecItemCopyMatching(query as CFDictionary, &result)
                if status == noErr {
                    print(result as Any)
                }
            }
            print("AppUsageMetadata.iterateKeychainItems ended.")
        }
        
        if (delete) {
            for secItemClass in secItemClasses {
                let dictionary = [kSecClass as String:secItemClass]
                SecItemDelete(dictionary as CFDictionary)
            }
        }
    }
    
}