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265 changes: 265 additions & 0 deletions
265
app/src/main/java/com/iyps/fragments/main/GenerateFragment.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,265 @@ | ||
| /* | ||
| * Copyright (c) 2022-present StellarSand | ||
| * | ||
| * This file is part of IYPS. | ||
| * | ||
| * IYPS is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * IYPS is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with IYPS. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package com.iyps.fragments.main | ||
|
|
||
| import android.annotation.SuppressLint | ||
| import android.content.ClipData | ||
| import android.content.ClipboardManager | ||
| import android.content.Context.CLIPBOARD_SERVICE | ||
| import android.content.Intent | ||
| import android.content.res.ColorStateList | ||
| import android.os.Bundle | ||
| import androidx.fragment.app.Fragment | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import com.google.android.material.materialswitch.MaterialSwitch | ||
| import com.google.android.material.slider.Slider | ||
| import com.google.android.material.slider.Slider.OnSliderTouchListener | ||
| import com.google.android.material.snackbar.BaseTransientBottomBar | ||
| import com.google.android.material.snackbar.Snackbar | ||
| import com.iyps.R | ||
| import com.iyps.activities.DetailsActivity | ||
| import com.iyps.activities.MainActivity | ||
| import com.iyps.databinding.FragmentGenerateBinding | ||
| import com.iyps.preferences.PreferenceManager | ||
| import com.iyps.preferences.PreferenceManager.Companion.AMB_CHARS | ||
| import com.iyps.preferences.PreferenceManager.Companion.LOWERCASE | ||
| import com.iyps.preferences.PreferenceManager.Companion.NUMBERS | ||
| import com.iyps.preferences.PreferenceManager.Companion.PASS_LENGTH | ||
| import com.iyps.preferences.PreferenceManager.Companion.SPACES | ||
| import com.iyps.preferences.PreferenceManager.Companion.SPEC_CHARS | ||
| import com.iyps.preferences.PreferenceManager.Companion.UPPERCASE | ||
| import java.security.SecureRandom | ||
|
|
||
| class GenerateFragment : Fragment() { | ||
|
|
||
| private var _binding: FragmentGenerateBinding? = null | ||
| private val fragmentBinding get() = _binding!! | ||
| private lateinit var preferenceManager: PreferenceManager | ||
| private lateinit var uppercaseSwitch: MaterialSwitch | ||
| private lateinit var lowercaseSwitch: MaterialSwitch | ||
| private lateinit var numbersSwitch: MaterialSwitch | ||
| private lateinit var specialCharsSwitch: MaterialSwitch | ||
| private lateinit var avoidAmbCharsSwitch: MaterialSwitch | ||
| private lateinit var includeSpaceSwitch: MaterialSwitch | ||
| private lateinit var primarySwitchesList: List<MaterialSwitch> | ||
| private lateinit var primarySwitchesPrefMap: Map<MaterialSwitch, String> | ||
|
|
||
| companion object { | ||
| val uppercaseChars = ('A'..'Z').joinToString("") | ||
| val lowercaseChars = ('a'..'z').joinToString("") | ||
| val numbers = ('0'..'9').joinToString("") | ||
| const val specialChars = "!@#$%^&*-_=+<.>" | ||
| const val ambChars = "IiLlOo05S8B|" | ||
| } | ||
|
|
||
| override fun onCreateView(inflater: LayoutInflater, | ||
| container: ViewGroup?, | ||
| savedInstanceState: Bundle?): View { | ||
| // Inflate the layout for this fragment | ||
| _binding = FragmentGenerateBinding.inflate(inflater, container, false) | ||
| return fragmentBinding.root | ||
| } | ||
|
|
||
| @SuppressLint("SetTextI18n") | ||
| override fun onViewCreated(view: View, savedInstanceState: Bundle?) { | ||
|
|
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| val mainActivity = requireActivity() as MainActivity | ||
| preferenceManager = PreferenceManager(requireContext()) | ||
| uppercaseSwitch = fragmentBinding.uppercaseSwitch | ||
| lowercaseSwitch = fragmentBinding.lowercaseSwitch | ||
| numbersSwitch = fragmentBinding.numbersSwitch | ||
| specialCharsSwitch = fragmentBinding.specialCharsSwitch | ||
| avoidAmbCharsSwitch = fragmentBinding.avoidAmbCharsSwitch | ||
| includeSpaceSwitch = fragmentBinding.includeSpacesSwitch | ||
|
|
||
| primarySwitchesList = listOf(uppercaseSwitch, | ||
| lowercaseSwitch, | ||
| numbersSwitch, | ||
| specialCharsSwitch) | ||
|
|
||
| primarySwitchesPrefMap = mapOf(uppercaseSwitch to UPPERCASE, | ||
| lowercaseSwitch to LOWERCASE, | ||
| numbersSwitch to NUMBERS, | ||
| specialCharsSwitch to SPEC_CHARS) | ||
|
|
||
| // Password length slider | ||
| fragmentBinding.passwordLengthSlider.apply { | ||
| value = preferenceManager.getFloat(PASS_LENGTH) | ||
| fragmentBinding.lengthText.text = "${getString(R.string.length)}: ${value.toInt()}" | ||
| setSliderThumbColor(this, value) | ||
|
|
||
| addOnSliderTouchListener(object : OnSliderTouchListener { | ||
| override fun onStartTrackingTouch(slider: Slider) {} | ||
|
|
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| override fun onStopTrackingTouch(slider: Slider) { | ||
| generatePassword() | ||
| } | ||
|
|
||
| }) | ||
|
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| addOnChangeListener { slider, value, _ -> | ||
| fragmentBinding.lengthText.text = "${getString(R.string.length)}: ${slider.value.toInt()}" | ||
| setSliderThumbColor(slider, value) | ||
| } | ||
| } | ||
|
|
||
| // Switches | ||
| // At least one switch must be enabled at all times (excluding ambiguous chars switch) | ||
| primarySwitchesList.forEach { switch -> | ||
| primarySwitchesPrefMap[switch]?.let { preferenceKey -> | ||
| switch.isChecked = preferenceManager.getBoolean(preferenceKey) | ||
| } | ||
| switch.setOnCheckedChangeListener { _, _ -> | ||
| val otherSwitches = primarySwitchesList.filter { it != switch } | ||
| val otherSwitchesChecked = otherSwitches.any { it.isChecked } | ||
| if (otherSwitchesChecked) { | ||
| generatePassword() | ||
| } | ||
| else { | ||
| switch.isChecked = true | ||
| } | ||
| } | ||
| } | ||
| avoidAmbCharsSwitch.apply { | ||
| isChecked = preferenceManager.getBoolean(AMB_CHARS) | ||
| setOnCheckedChangeListener { _, _ -> | ||
| generatePassword() | ||
| } | ||
| } | ||
| includeSpaceSwitch.apply { | ||
| isChecked = preferenceManager.getBooleanDefValFalse(SPACES) | ||
| setOnCheckedChangeListener { _, _ -> | ||
| generatePassword() | ||
| } | ||
| } | ||
|
|
||
| generatePassword() | ||
|
|
||
| // Details | ||
| fragmentBinding.detailsBtn.setOnClickListener { | ||
| startActivity(Intent(requireActivity(), DetailsActivity::class.java) | ||
| .putExtra("PwdLine", fragmentBinding.generatedPasswordTextView.text)) | ||
| } | ||
|
|
||
| // Copy | ||
| fragmentBinding.copyPasswordBtn.setOnClickListener { | ||
| val clipData = ClipData.newPlainText("Generated password", | ||
| fragmentBinding.generatedPasswordTextView.text) | ||
|
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||
| (requireContext().getSystemService(CLIPBOARD_SERVICE) as ClipboardManager) | ||
| .setPrimaryClip(clipData) | ||
|
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| Snackbar.make(mainActivity.activityBinding.mainCoordLayout, | ||
| getString(R.string.copied_to_clipboard), | ||
| BaseTransientBottomBar.LENGTH_SHORT) | ||
| .setAnchorView(mainActivity.activityBinding.mainBottomNav) | ||
| .show() | ||
| } | ||
|
|
||
| // Regenerate | ||
| fragmentBinding.regenerateBtn.setOnClickListener { | ||
| generatePassword() | ||
| } | ||
|
|
||
| // Share | ||
| fragmentBinding.shareBtn.setOnClickListener { | ||
| startActivity(Intent.createChooser(Intent(Intent.ACTION_SEND) | ||
| .setType("text/plain") | ||
| .putExtra(Intent.EXTRA_TEXT, fragmentBinding.generatedPasswordTextView.text), | ||
| getString(R.string.share))) | ||
| } | ||
|
|
||
| } | ||
|
|
||
| private fun setSliderThumbColor(slider: Slider, value: Float) { | ||
| val sliderThumbColor = | ||
| if (value == 5f) { | ||
| requireContext().getColor(R.color.color_primary) | ||
| } | ||
| else { | ||
| requireContext().getColor(R.color.color_onPrimary) | ||
| } | ||
|
|
||
| slider.thumbTintList = ColorStateList.valueOf(sliderThumbColor) | ||
| } | ||
|
|
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| private fun generatePassword() { | ||
| val allChars = buildString { | ||
| if (uppercaseSwitch.isChecked) { | ||
| append(if (avoidAmbCharsSwitch.isChecked) uppercaseChars.filterNot { it in ambChars } | ||
| else uppercaseChars) | ||
| } | ||
| if (lowercaseSwitch.isChecked) { | ||
| append(if (avoidAmbCharsSwitch.isChecked) lowercaseChars.filterNot { it in ambChars } | ||
| else lowercaseChars) | ||
| } | ||
| if (numbersSwitch.isChecked) { | ||
| append(if (avoidAmbCharsSwitch.isChecked) numbers.filterNot { it in ambChars } | ||
| else numbers) | ||
| } | ||
| if (specialCharsSwitch.isChecked) { | ||
| append(if (avoidAmbCharsSwitch.isChecked) specialChars.filterNot { it in ambChars } | ||
| else specialChars) | ||
| } | ||
| } | ||
|
|
||
| val password = buildString { | ||
| val length = fragmentBinding.passwordLengthSlider.value.toInt() | ||
| val spacesToInsert = | ||
| if (includeSpaceSwitch.isChecked) SecureRandom().nextInt(length) | ||
| else 0 | ||
|
|
||
| for (i in 0 until length) { | ||
| if (includeSpaceSwitch.isChecked | ||
| && i > 0 // Avoid space at beginning | ||
| && i < length - 1 // Avoid space at end | ||
| && i < spacesToInsert) { | ||
| append(' ') | ||
| } | ||
| else { | ||
| val randomIndex = SecureRandom().nextInt(allChars.length) | ||
| append(allChars[randomIndex]) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fragmentBinding.generatedPasswordTextView.text = password | ||
| } | ||
|
|
||
| override fun onPause() { | ||
| super.onPause() | ||
| preferenceManager.setFloat(PASS_LENGTH, fragmentBinding.passwordLengthSlider.value) | ||
| primarySwitchesList.forEach { switch -> | ||
| primarySwitchesPrefMap[switch]?.let { preferenceKey -> | ||
| preferenceManager.setBoolean(preferenceKey, switch.isChecked) | ||
| } | ||
| } | ||
| preferenceManager.setBoolean(AMB_CHARS, fragmentBinding.avoidAmbCharsSwitch.isChecked) | ||
| preferenceManager.setBoolean(SPACES, fragmentBinding.includeSpacesSwitch.isChecked) | ||
| } | ||
|
|
||
| override fun onDestroyView() { | ||
| super.onDestroyView() | ||
| _binding = null | ||
| } | ||
|
|
||
| } |
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