// Token: 0x06004DC4 RID: 19908 RVA: 0x001A13D8 File Offset: 0x0019F7D8
public static int DecryptInt(string sourceString)
{
string s = SimpleEncryption.DecryptString(sourceString);
byte[] value = Convert.FromBase64String(s);
return(BitConverter.ToInt32(value, 0));
}
// Token: 0x06004DC3 RID: 19907 RVA: 0x001A13B4 File Offset: 0x0019F7B4
public static float DecryptFloat(string sourceString)
{
string s = SimpleEncryption.DecryptString(sourceString);
byte[] value = Convert.FromBase64String(s);
return(BitConverter.ToSingle(value, 0));
}
// Token: 0x06004DC2 RID: 19906 RVA: 0x001A1390 File Offset: 0x0019F790
public static string EncryptInt(int value)
{
byte[] bytes = BitConverter.GetBytes(value);
string sourceString = Convert.ToBase64String(bytes);
return(SimpleEncryption.EncryptString(sourceString));
}
/// <summary>
/// Encrypted version of PlayerPrefs.SetString(), stored key and value is encrypted in player prefs
/// </summary>
public static void SetEncryptedString(string key, string value)
{
string encryptedKey = SimpleEncryption.EncryptString(key);
string encryptedValue = SimpleEncryption.EncryptString(value);
// Store the encrypted key and value (with relevant identifying prefixes) in PlayerPrefs
PlayerPrefs.SetString(KEY_PREFIX + encryptedKey, VALUE_STRING_PREFIX + encryptedValue);
}
/// <summary>
/// Encrypts the specified int value and returns an encrypted string
/// </summary>
public static string EncryptInt(int value)
{
// Convert the int value into its 4 bytes
byte[] bytes = BitConverter.GetBytes(value);
// Represent those bytes as a base 64 string
string base64 = Convert.ToBase64String(bytes);
// Return the encrypted version of that base 64 string
return(SimpleEncryption.EncryptString(base64));
}
/// <summary>
/// Decrypts the encrypted string representing an int into the decrypted int
/// </summary>
public static int DecryptInt(string sourceString)
{
// Decrypt the encrypted string
string decryptedString = SimpleEncryption.DecryptString(sourceString);
// Convert the decrypted Base 64 representation back into bytes
byte[] bytes = Convert.FromBase64String(decryptedString);
// Turn the bytes back into a int and return it
return(BitConverter.ToInt32(bytes, 0));
}
// Token: 0x06004DC0 RID: 19904 RVA: 0x001A1324 File Offset: 0x0019F724
public static string DecryptString(string sourceString)
{
if (SimpleEncryption.provider == null)
{
SimpleEncryption.SetupProvider();
}
ICryptoTransform cryptoTransform = SimpleEncryption.provider.CreateDecryptor();
byte[] array = Convert.FromBase64String(sourceString);
byte[] bytes = cryptoTransform.TransformFinalBlock(array, 0, array.Length);
return(Encoding.UTF8.GetString(bytes));
}
// Token: 0x06004DBF RID: 19903 RVA: 0x001A12DC File Offset: 0x0019F6DC
public static string EncryptString(string sourceString)
{
if (SimpleEncryption.provider == null)
{
SimpleEncryption.SetupProvider();
}
ICryptoTransform cryptoTransform = SimpleEncryption.provider.CreateEncryptor();
byte[] bytes = Encoding.UTF8.GetBytes(sourceString);
byte[] inArray = cryptoTransform.TransformFinalBlock(bytes, 0, bytes.Length);
return(Convert.ToBase64String(inArray));
}
/// <summary>
/// Decrypts the specified key
/// </summary>
public static string DecryptKey(string encryptedKey)
{
if (encryptedKey.StartsWith(KEY_PREFIX))
{
// Remove the key prefix from the encrypted key
string strippedKey = encryptedKey.Substring(KEY_PREFIX.Length);
// Return the decrypted key
return(SimpleEncryption.DecryptString(strippedKey));
}
else
{
throw new InvalidOperationException("Could not decrypt item, no match found in known encrypted key prefixes");
}
}
/// <summary>
/// Encrypted version of PlayerPrefs.GetString(), an unencrypted key is passed and the value is returned decrypted
/// </summary>
public static string GetEncryptedString(string key, string defaultValue = "")
{
// Encrypt and prefix the key so we can look it up from player prefs
string encryptedKey = KEY_PREFIX + SimpleEncryption.EncryptString(key);
// Look up the encrypted value
string fetchedString = PlayerPrefs.GetString(encryptedKey);
if (!string.IsNullOrEmpty(fetchedString))
{
// Strip out the type identifier character
fetchedString = fetchedString.Remove(0, 1);
// Decrypt and return the string value
return(SimpleEncryption.DecryptString(fetchedString));
}
else
{
// No existing player pref value, so return defaultValue instead
return(defaultValue);
}
}
/// <summary>
/// Helper method that can handle any of the encrypted player pref types, returning a float, int or string based
/// on what type of value has been stored.
/// </summary>
public static object GetEncryptedValue(string encryptedKey, string encryptedValue)
{
// See what type identifier the encrypted value starts
if (encryptedValue.StartsWith(VALUE_FLOAT_PREFIX))
{
// It's a float, so decrypt it as a float and return the value
return(GetEncryptedFloat(SimpleEncryption.DecryptString(encryptedKey.Substring(KEY_PREFIX.Length))));
}
else if (encryptedValue.StartsWith(VALUE_INT_PREFIX))
{
// It's an int, so decrypt it as an int and return the value
return(GetEncryptedInt(SimpleEncryption.DecryptString(encryptedKey.Substring(KEY_PREFIX.Length))));
}
else if (encryptedValue.StartsWith(VALUE_STRING_PREFIX))
{
// It's a string, so decrypt it as a string and return the value
return(GetEncryptedString(SimpleEncryption.DecryptString(encryptedKey.Substring(KEY_PREFIX.Length))));
}
else
{
throw new InvalidOperationException("Could not decrypt item, no match found in known encrypted key prefixes");
}
}
private void DrawAddEntry()
{
// Create a GUIStyle that can be manipulated for the various text fields
GUIStyle textFieldStyle = new GUIStyle(GUI.skin.textField);
// Create a space
EditorGUILayout.Space();
// Heading
GUILayout.Label("Add Player Pref", EditorStyles.boldLabel);
// UI for whether the new player pref is encrypted and what type it is
EditorGUILayout.BeginHorizontal();
newEntryIsEncrypted = GUILayout.Toggle(newEntryIsEncrypted, "Encrypt");
newEntryType =
(PlayerPrefType)GUILayout.SelectionGrid((int)newEntryType, new string[] { "float", "int", "string" }, 3);
EditorGUILayout.EndHorizontal();
// Key and Value headings
EditorGUILayout.BeginHorizontal();
GUILayout.Label("Key", EditorStyles.boldLabel);
GUILayout.Label("Value", EditorStyles.boldLabel);
EditorGUILayout.EndHorizontal();
// If the new value will be encrypted tint the text boxes blue (in line with the display style for existing
// encrypted player prefs)
if (newEntryIsEncrypted)
{
if (UsingProSkin)
{
textFieldStyle.normal.textColor = new Color(0.5f, 0.5f, 1);
textFieldStyle.focused.textColor = new Color(0.5f, 0.5f, 1);
}
else
{
textFieldStyle.normal.textColor = new Color(0, 0, 1);
textFieldStyle.focused.textColor = new Color(0, 0, 1);
}
}
EditorGUILayout.BeginHorizontal();
// Track the next control so we can detect key events in it
GUI.SetNextControlName("newEntryKey");
// UI for the new key text box
newEntryKey = EditorGUILayout.TextField(newEntryKey, textFieldStyle);
// Track the next control so we can detect key events in it
GUI.SetNextControlName("newEntryValue");
// Display the correct UI field editor based on what type of player pref is being created
if (newEntryType == PlayerPrefType.Float)
{
newEntryValueFloat = EditorGUILayout.FloatField(newEntryValueFloat, textFieldStyle);
}
else if (newEntryType == PlayerPrefType.Int)
{
newEntryValueInt = EditorGUILayout.IntField(newEntryValueInt, textFieldStyle);
}
else
{
newEntryValueString = EditorGUILayout.TextField(newEntryValueString, textFieldStyle);
}
// If the user hit enter while either the key or value fields were being edited
bool keyboardAddPressed = Event.current.isKey && Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
(GUI.GetNameOfFocusedControl() == "newEntryKey" ||
GUI.GetNameOfFocusedControl() == "newEntryValue");
// If the user clicks the Add button or hits return (and there is a non-empty key), create the player pref
if ((GUILayout.Button("Add", GUILayout.Width(40)) || keyboardAddPressed) && !string.IsNullOrEmpty(newEntryKey))
{
// If the player pref we're creating is encrypted
if (newEntryIsEncrypted)
{
// Encrypt the key
string encryptedKey = PlayerPrefsUtility.KEY_PREFIX + SimpleEncryption.EncryptString(newEntryKey);
// Note: All encrypted values are stored as string
string encryptedValue;
// Calculate the encrypted value
if (newEntryType == PlayerPrefType.Float)
{
encryptedValue = PlayerPrefsUtility.VALUE_FLOAT_PREFIX + SimpleEncryption.EncryptFloat(newEntryValueFloat);
}
else if (newEntryType == PlayerPrefType.Int)
{
encryptedValue = PlayerPrefsUtility.VALUE_INT_PREFIX + SimpleEncryption.EncryptInt(newEntryValueInt);
}
else
{
encryptedValue = PlayerPrefsUtility.VALUE_STRING_PREFIX + SimpleEncryption.EncryptString(newEntryValueString);
}
// Record the new player pref in PlayerPrefs
PlayerPrefs.SetString(encryptedKey, encryptedValue);
// Cache the addition
CacheRecord(encryptedKey, encryptedValue);
}
else
{
if (newEntryType == PlayerPrefType.Float)
{
// Record the new player pref in PlayerPrefs
PlayerPrefs.SetFloat(newEntryKey, newEntryValueFloat);
// Cache the addition
CacheRecord(newEntryKey, newEntryValueFloat);
}
else if (newEntryType == PlayerPrefType.Int)
{
// Record the new player pref in PlayerPrefs
PlayerPrefs.SetInt(newEntryKey, newEntryValueInt);
// Cache the addition
CacheRecord(newEntryKey, newEntryValueInt);
}
else
{
// Record the new player pref in PlayerPrefs
PlayerPrefs.SetString(newEntryKey, newEntryValueString);
// Cache the addition
CacheRecord(newEntryKey, newEntryValueString);
}
}
// Tell Unity to save the PlayerPrefs
PlayerPrefs.Save();
// Force a repaint since hitting the return key won't invalidate layout on its own
Repaint();
// Reset the values
newEntryKey = "";
newEntryValueFloat = 0;
newEntryValueInt = 0;
newEntryValueString = "";
// Deselect
GUI.FocusControl("");
}
EditorGUILayout.EndHorizontal();
}
private void DrawMainList()
{
// The bold table headings
EditorGUILayout.BeginHorizontal();
GUILayout.Label("Key", EditorStyles.boldLabel);
GUILayout.Label("Value", EditorStyles.boldLabel);
GUILayout.Label("Type", EditorStyles.boldLabel, GUILayout.Width(37));
GUILayout.Label("Del", EditorStyles.boldLabel, GUILayout.Width(25));
EditorGUILayout.EndHorizontal();
// Create a GUIStyle that can be manipulated for the various text fields
GUIStyle textFieldStyle = new GUIStyle(GUI.skin.textField);
// Could be dealing with either the full list or search results, so get the right list
List <PlayerPrefPair> activePlayerPrefs = deserializedPlayerPrefs;
if (!string.IsNullOrEmpty(searchFilter))
{
activePlayerPrefs = filteredPlayerPrefs;
}
// Cache the entry count
int entryCount = activePlayerPrefs.Count;
activePlayerPrefs = activePlayerPrefs.OrderBy(x => x.Key).ToList();
// Record the last scroll position so we can calculate if the user has scrolled this frame
lastScrollPosition = scrollPosition;
// Start the scrollable area
scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition);
// Ensure the scroll doesn't go below zero
if (scrollPosition.y < 0)
{
scrollPosition.y = 0;
}
// The following code has been optimised so that rather than attempting to draw UI for every single PlayerPref
// it instead only draws the UI for those currently visible in the scroll view and pads above and below those
// results to maintain the right size using GUILayout.Space(). This enables us to work with thousands of
// PlayerPrefs without slowing the interface to a halt.
// Fixed height of one of the rows in the table
float rowHeight = 18;
// Determine how many rows are visible on screen. For simplicity, use Screen.height (the overhead is negligible)
int visibleCount = Mathf.CeilToInt(Screen.height / rowHeight);
// Determine the index of the first player pref that should be drawn as visible in the scrollable area
int firstShownIndex = Mathf.FloorToInt(scrollPosition.y / rowHeight);
// Determine the bottom limit of the visible player prefs (last shown index + 1)
int shownIndexLimit = firstShownIndex + visibleCount;
// If the actual number of player prefs is smaller than the caculated limit, reduce the limit to match
if (entryCount < shownIndexLimit)
{
shownIndexLimit = entryCount;
}
// If the number of displayed player prefs is smaller than the number we can display (like we're at the end
// of the list) then move the starting index back to adjust
if (shownIndexLimit - firstShownIndex < visibleCount)
{
firstShownIndex -= visibleCount - (shownIndexLimit - firstShownIndex);
}
// Can't have a negative index of a first shown player pref, so clamp to 0
if (firstShownIndex < 0)
{
firstShownIndex = 0;
}
// Pad above the on screen results so that we're not wasting draw calls on invisible UI and the drawn player
// prefs end up in the same place in the list
GUILayout.Space(firstShownIndex * rowHeight);
// For each of the on screen results
for (int i = firstShownIndex; i < shownIndexLimit; i++)
{
// Detect if it's an encrypted player pref (these have key prefixes)
bool isEncryptedPair = PlayerPrefsUtility.IsEncryptedKey(activePlayerPrefs[i].Key);
// Colour code encrypted player prefs blue
if (isEncryptedPair)
{
if (UsingProSkin)
{
textFieldStyle.normal.textColor = new Color(0.5f, 0.5f, 1);
textFieldStyle.focused.textColor = new Color(0.5f, 0.5f, 1);
}
else
{
textFieldStyle.normal.textColor = new Color(0, 0, 1);
textFieldStyle.focused.textColor = new Color(0, 0, 1);
}
}
else
{
// Normal player prefs are just black
textFieldStyle.normal.textColor = GUI.skin.textField.normal.textColor;
textFieldStyle.focused.textColor = GUI.skin.textField.focused.textColor;
}
// The full key is the key that's actually stored in player prefs
string fullKey = activePlayerPrefs[i].Key;
// Display key is used so in the case of encrypted keys, we display the decrypted version instead (in
// auto-decrypt mode).
string displayKey = fullKey;
// Used for accessing the type information stored against the player pref
object deserializedValue = activePlayerPrefs[i].Value;
// Track whether the auto decrypt failed, so we can instead fallback to encrypted values and mark it red
bool failedAutoDecrypt = false;
// If this is an encrypted play pref and we're attempting to decrypt them, try to decrypt it!
if (isEncryptedPair && automaticDecryption)
{
// This may throw exceptions (e.g. if private key changes), so wrap in a try-catch
try
{
deserializedValue = PlayerPrefsUtility.GetEncryptedValue(fullKey, (string)deserializedValue);
displayKey = PlayerPrefsUtility.DecryptKey(fullKey);
}
catch
{
// Change the colour to red to highlight the decrypt failed
textFieldStyle.normal.textColor = Color.red;
textFieldStyle.focused.textColor = Color.red;
// Track that the auto decrypt failed, so we can prevent any editing
failedAutoDecrypt = true;
}
}
EditorGUILayout.BeginHorizontal();
// The type of player pref being stored (in auto decrypt mode this works with the decrypted values too)
Type valueType;
// If it's an encrypted playerpref, we're automatically decrypting and it didn't fail the earlier
// auto decrypt test
if (isEncryptedPair && automaticDecryption && !failedAutoDecrypt)
{
// Get the encrypted string
string encryptedValue = PlayerPrefs.GetString(fullKey);
// Set valueType appropiately based on which type identifier prefix the encrypted string starts with
if (encryptedValue.StartsWith(PlayerPrefsUtility.VALUE_FLOAT_PREFIX))
{
valueType = typeof(float);
}
else if (encryptedValue.StartsWith(PlayerPrefsUtility.VALUE_INT_PREFIX))
{
valueType = typeof(int);
}
else if (encryptedValue.StartsWith(PlayerPrefsUtility.VALUE_STRING_PREFIX) || string.IsNullOrEmpty(encryptedValue))
{
// Special case here, empty encrypted values will also report as strings
valueType = typeof(string);
}
else
{
throw new InvalidOperationException("Could not decrypt item, no match found in known encrypted key prefixes");
}
}
else
{
// Otherwise fallback to the type of the cached value (for non-encrypted values this will be
// correct). For encrypted values when not in auto-decrypt mode, this will return string type
valueType = deserializedValue.GetType();
}
// Display the PlayerPref key
EditorGUILayout.TextField(displayKey, textFieldStyle);
// Value display and user editing
// If we're dealing with a float
if (valueType == typeof(float))
{
float initialValue;
if (isEncryptedPair && automaticDecryption)
{
// Automatically decrypt the value if encrypted and in auto-decrypt mode
initialValue = PlayerPrefsUtility.GetEncryptedFloat(displayKey);
}
else
{
// Otherwise fetch the latest plain value from PlayerPrefs in memory
initialValue = PlayerPrefs.GetFloat(fullKey);
}
// Display the float editor field and get any changes in value
float newValue = EditorGUILayout.FloatField(initialValue, textFieldStyle);
// If the value has changed
if (newValue != initialValue)
{
// Store the changed value in player prefs, encrypting if necessary
if (isEncryptedPair)
{
string encryptedValue = PlayerPrefsUtility.VALUE_FLOAT_PREFIX + SimpleEncryption.EncryptFloat(newValue);
PlayerPrefs.SetString(fullKey, encryptedValue);
}
else
{
PlayerPrefs.SetFloat(fullKey, newValue);
}
// Save PlayerPrefs
PlayerPrefs.Save();
}
// Display the PlayerPref type
GUILayout.Label("float", GUILayout.Width(37));
}
else if (valueType == typeof(int)) // if we're dealing with an int
{
int initialValue;
if (isEncryptedPair && automaticDecryption)
{
// Automatically decrypt the value if encrypted and in auto-decrypt mode
initialValue = PlayerPrefsUtility.GetEncryptedInt(displayKey);
}
else
{
// Otherwise fetch the latest plain value from PlayerPrefs in memory
initialValue = PlayerPrefs.GetInt(fullKey);
}
// Display the int editor field and get any changes in value
int newValue = EditorGUILayout.IntField(initialValue, textFieldStyle);
// If the value has changed
if (newValue != initialValue)
{
// Store the changed value in player prefs, encrypting if necessary
if (isEncryptedPair)
{
string encryptedValue = PlayerPrefsUtility.VALUE_INT_PREFIX + SimpleEncryption.EncryptInt(newValue);
PlayerPrefs.SetString(fullKey, encryptedValue);
}
else
{
PlayerPrefs.SetInt(fullKey, newValue);
}
// Save PlayerPrefs
PlayerPrefs.Save();
}
// Display the PlayerPref type
GUILayout.Label("int", GUILayout.Width(37));
}
else if (valueType == typeof(string)) // if we're dealing with a string
{
string initialValue;
if (isEncryptedPair && automaticDecryption && !failedAutoDecrypt)
{
// Automatically decrypt the value if encrypted and in auto-decrypt mode
initialValue = PlayerPrefsUtility.GetEncryptedString(displayKey);
}
else
{
// Otherwise fetch the latest plain value from PlayerPrefs in memory
initialValue = PlayerPrefs.GetString(fullKey);
}
// Display the text (string) editor field and get any changes in value
string newValue = EditorGUILayout.TextField(initialValue, textFieldStyle);
// If the value has changed
if (newValue != initialValue && !failedAutoDecrypt)
{
// Store the changed value in player prefs, encrypting if necessary
if (isEncryptedPair)
{
string encryptedValue = PlayerPrefsUtility.VALUE_STRING_PREFIX + SimpleEncryption.EncryptString(newValue);
PlayerPrefs.SetString(fullKey, encryptedValue);
}
else
{
PlayerPrefs.SetString(fullKey, newValue);
}
// Save PlayerPrefs
PlayerPrefs.Save();
}
if (isEncryptedPair && !automaticDecryption && !string.IsNullOrEmpty(initialValue))
{
// Because encrypted values when not in auto-decrypt mode are stored as string, determine their
// encrypted type and display that instead for these encrypted PlayerPrefs
PlayerPrefType playerPrefType = (PlayerPrefType)(int)char.GetNumericValue(initialValue[0]);
GUILayout.Label(playerPrefType.ToString().ToLower(), GUILayout.Width(37));
}
else
{
// Display the PlayerPref type
GUILayout.Label("string", GUILayout.Width(37));
}
}
// Delete button
if (GUILayout.Button("X", GUILayout.Width(25)))
{
// Delete the key from player prefs
PlayerPrefs.DeleteKey(fullKey);
// Tell Unity to Save PlayerPrefs
PlayerPrefs.Save();
// Delete the cached record so the list updates immediately
DeleteCachedRecord(fullKey);
}
EditorGUILayout.EndHorizontal();
}
// Calculate the padding at the bottom of the scroll view (because only visible player pref rows are drawn)
float bottomPadding = (entryCount - shownIndexLimit) * rowHeight;
// If the padding is positive, pad the bottom so that the layout and scroll view size is correct still
if (bottomPadding > 0)
{
GUILayout.Space(bottomPadding);
}
EditorGUILayout.EndScrollView();
// Display the number of player prefs
GUILayout.Label("Entry Count: " + entryCount);
}