Mercurial > cgi-bin > hgweb.cgi > PassMan
annotate src/main/kotlin/name/blackcap/passman/Console.kt @ 20:4391afcf6bd0
Fix more bugs, correct more bad tests.
author | David Barts <n5jrn@me.com> |
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date | Sun, 30 Jun 2024 22:28:52 -0700 |
parents | a6cfdffcaa94 |
children | ea65ab890f66 |
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0
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1 package name.blackcap.passman |
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2 |
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3 fun readLine(prompt: String): String = |
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4 doConsoleIo({ System.console()?.readLine(prompt) }, "unable to read line") |
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5 |
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6 fun getPassword(prompt: String, verify: Boolean = false): CharArray { |
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7 while (true) { |
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8 val pw1 = _getPassword(prompt) |
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9 if (!verify) { |
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10 return pw1 |
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11 } |
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12 val pw2 = _getPassword("Verification: ") |
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13 if (pw1 contentEquals pw2) { |
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14 return pw1 |
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15 } |
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16 error("mismatch, try again") |
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17 } |
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18 } |
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19 |
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20 fun mustReadLine(prompt: String): String = must({ readLine(prompt) }, { it.isNotEmpty() }) |
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21 |
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22 fun mustGetPassword(prompt: String, verify: Boolean = false): CharArray = |
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23 must({ getPassword(prompt, verify) }, { it.isNotEmpty() }) |
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24 |
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25 fun printPassword(password: CharArray) { |
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26 print("Password: ") |
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27 password.forEach { print(it) } |
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28 println() |
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29 } |
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30 |
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31 private fun _getPassword(prompt: String): CharArray = |
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32 doConsoleIo({ System.console()?.readPassword(prompt) }, "unable to read password") |
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33 |
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34 private fun <T> must(getter: () -> T, checker: (T) -> Boolean): T { |
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35 while (true) { |
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36 var got = getter() |
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37 if (checker(got)) { |
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38 return got |
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39 } |
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40 error("entry must not be empty, try again") |
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41 } |
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42 } |
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43 |
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44 private fun <T> doConsoleIo(getter: () -> T?, message: String): T { |
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45 val ret = getter() |
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46 if (ret == null) { |
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47 die(message) |
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48 } |
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49 return ret!! |
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50 } |