// Token: 0x06002FDA RID: 12250 RVA: 0x000B7630 File Offset: 0x000B5830
private static bool ValidateStd3AndAscii(string unicode, bool bUseStd3, bool bCheckAscii)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
int num = -1;
for (int i = 0; i < unicode.Length; i++)
{
if (unicode[i] <= '\u001f')
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequence", new object[]
{
i
}), "unicode");
}
if (bCheckAscii && unicode[i] >= '\u007f')
{
return(false);
}
if (IdnMapping.IsDot(unicode[i]))
{
if (i == num + 1)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (i - num > 64)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "Unicode");
}
if (bUseStd3 && i > 0)
{
IdnMapping.ValidateStd3(unicode[i - 1], true);
}
num = i;
}
else if (bUseStd3)
{
IdnMapping.ValidateStd3(unicode[i], i == num + 1);
}
}
if (num == -1 && unicode.Length > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (unicode.Length > 255 - (IdnMapping.IsDot(unicode[unicode.Length - 1]) ? 0 : 1))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadNameSize", new object[]
{
255 - (IdnMapping.IsDot(unicode[unicode.Length - 1]) ? 0 : 1)
}), "unicode");
}
if (bUseStd3 && !IdnMapping.IsDot(unicode[unicode.Length - 1]))
{
IdnMapping.ValidateStd3(unicode[unicode.Length - 1], true);
}
return(true);
}
/// <summary>Encodes the specified number of characters in a substring of domain name labels that include Unicode characters outside the US-ASCII character range. The substring is converted to a string of displayable Unicode characters in the US-ASCII character range and is formatted according to the IDNA standard. </summary>
/// <param name="unicode">The string to convert, which consists of one or more domain name labels delimited with label separators.</param>
/// <param name="index">A zero-based offset into <paramref name="unicode" /> that specifies the start of the substring.</param>
/// <param name="count">The number of characters to convert in the substring that starts at the position specified by <paramref name="index" /> in the <paramref name="unicode" /> string. </param>
/// <returns>The equivalent of the substring specified by the <paramref name="unicode" />, <paramref name="index" />, and <paramref name="count" /> parameters, consisting of displayable Unicode characters in the US-ASCII character range (U+0020 to U+007E) and formatted according to the IDNA standard.</returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="unicode" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="index" /> or <paramref name="count" /> is less than zero.-or-
/// <paramref name="index" /> is greater than the length of <paramref name="unicode" />.-or-
/// <paramref name="index" /> is greater than the length of <paramref name="unicode" /> minus <paramref name="count" />.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="unicode" /> is invalid based on the <see cref="P:System.Globalization.IdnMapping.AllowUnassigned" /> and <see cref="P:System.Globalization.IdnMapping.UseStd3AsciiRules" /> properties, and the IDNA standard.</exception>
// Token: 0x06002FD0 RID: 12240 RVA: 0x000B7130 File Offset: 0x000B5330
public string GetAscii(string unicode, int index, int count)
{
if (unicode == null)
{
throw new ArgumentNullException("unicode");
}
if (index < 0 || count < 0)
{
throw new ArgumentOutOfRangeException((index < 0) ? "index" : "count", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (index > unicode.Length)
{
throw new ArgumentOutOfRangeException("byteIndex", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
if (index > unicode.Length - count)
{
throw new ArgumentOutOfRangeException("unicode", Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
}
unicode = unicode.Substring(index, count);
if (Environment.IsWindows8OrAbove)
{
return(this.GetAsciiUsingOS(unicode));
}
if (IdnMapping.ValidateStd3AndAscii(unicode, this.UseStd3AsciiRules, true))
{
return(unicode);
}
if (unicode[unicode.Length - 1] <= '\u001f')
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequence", new object[]
{
unicode.Length - 1
}), "unicode");
}
bool flag = unicode.Length > 0 && IdnMapping.IsDot(unicode[unicode.Length - 1]);
unicode = unicode.Normalize(this.m_bAllowUnassigned ? ((NormalizationForm)13) : ((NormalizationForm)269));
if (!flag && unicode.Length > 0 && IdnMapping.IsDot(unicode[unicode.Length - 1]))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (this.UseStd3AsciiRules)
{
IdnMapping.ValidateStd3AndAscii(unicode, true, false);
}
return(IdnMapping.punycode_encode(unicode));
}
private static string punycode_decode(string ascii)
{
if (ascii.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
int length1 = ascii.Length;
int num1 = (int)byte.MaxValue;
string str1 = ascii;
int index1 = str1.Length - 1;
int num2 = IdnMapping.IsDot(str1[index1]) ? 0 : 1;
int num3 = num1 - num2;
if (length1 > num3)
{
string key = "Argument_IdnBadNameSize";
object[] objArray = new object[1];
int index2 = 0;
int num4 = (int)byte.MaxValue;
string str2 = ascii;
int index3 = str2.Length - 1;
int num5 = IdnMapping.IsDot(str2[index3]) ? 0 : 1;
// ISSUE: variable of a boxed type
__Boxed <int> local = (ValueType)(num4 - num5);
objArray[index2] = (object)local;
throw new ArgumentException(Environment.GetResourceString(key, objArray), "ascii");
}
StringBuilder stringBuilder1 = new StringBuilder(ascii.Length);
int num6 = 0;
int startIndex = 0;
int index4 = 0;
while (num6 < ascii.Length)
{
num6 = ascii.IndexOf('.', startIndex);
if (num6 < 0 || num6 > ascii.Length)
{
num6 = ascii.Length;
}
if (num6 == startIndex)
{
if (num6 != ascii.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
break;
}
if (num6 - startIndex > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
if (ascii.Length < "xn--".Length + startIndex || !ascii.Substring(startIndex, "xn--".Length).Equals("xn--", StringComparison.OrdinalIgnoreCase))
{
stringBuilder1.Append(ascii.Substring(startIndex, num6 - startIndex));
}
else
{
startIndex += "xn--".Length;
int num4 = ascii.LastIndexOf('-', num6 - 1);
if (num4 == num6 - 1)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
int num5;
if (num4 <= startIndex)
{
num5 = 0;
}
else
{
num5 = num4 - startIndex;
for (int index2 = startIndex; index2 < startIndex + num5; ++index2)
{
if ((int)ascii[index2] > (int)sbyte.MaxValue)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
stringBuilder1.Append((int)ascii[index2] < 65 || (int)ascii[index2] > 90 ? ascii[index2] : (char)((int)ascii[index2] - 65 + 97));
}
}
int num7 = startIndex + (num5 > 0 ? num5 + 1 : 0);
int num8 = 128;
int num9 = 72;
int num10 = 0;
int num11 = 0;
label_49:
while (num7 < num6)
{
int num12 = num10;
int num13 = 1;
int num14 = 36;
while (num7 < num6)
{
int num15 = IdnMapping.decode_digit(ascii[num7++]);
if (num15 > (134217727 - num10) / num13)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
num10 += num15 * num13;
int num16 = num14 <= num9 ? 1 : (num14 >= num9 + 26 ? 26 : num14 - num9);
if (num15 >= num16)
{
if (num13 > 134217727 / (36 - num16))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
num13 *= 36 - num16;
num14 += 36;
}
else
{
num9 = IdnMapping.adapt(num10 - num12, stringBuilder1.Length - index4 - num11 + 1, num12 == 0);
if (num10 / (stringBuilder1.Length - index4 - num11 + 1) > 134217727 - num8)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
num8 += num10 / (stringBuilder1.Length - index4 - num11 + 1);
int num17 = num10 % (stringBuilder1.Length - index4 - num11 + 1);
if (num8 < 0 || num8 > 1114111 || num8 >= 55296 && num8 <= 57343)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
string str2 = char.ConvertFromUtf32(num8);
int index2;
if (num11 > 0)
{
int num18 = num17;
index2 = index4;
while (num18 > 0)
{
if (index2 >= stringBuilder1.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
if (char.IsSurrogate(stringBuilder1[index2]))
{
++index2;
}
--num18;
++index2;
}
}
else
{
index2 = index4 + num17;
}
stringBuilder1.Insert(index2, str2);
if (IdnMapping.IsSupplementary(num8))
{
++num11;
}
num10 = num17 + 1;
goto label_49;
}
}
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
bool flag = false;
BidiCategory bidiCategory = CharUnicodeInfo.GetBidiCategory(stringBuilder1.ToString(), index4);
switch (bidiCategory)
{
case BidiCategory.RightToLeft:
case BidiCategory.RightToLeftArabic:
flag = true;
break;
}
for (int index2 = index4; index2 < stringBuilder1.Length; ++index2)
{
if (!char.IsLowSurrogate(stringBuilder1.ToString(), index2))
{
bidiCategory = CharUnicodeInfo.GetBidiCategory(stringBuilder1.ToString(), index2);
if (flag && bidiCategory == BidiCategory.LeftToRight || !flag && (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "ascii");
}
}
}
if (flag && bidiCategory != BidiCategory.RightToLeft && bidiCategory != BidiCategory.RightToLeftArabic)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "ascii");
}
}
if (num6 - startIndex > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
if (num6 != ascii.Length)
{
stringBuilder1.Append('.');
}
startIndex = num6 + 1;
index4 = stringBuilder1.Length;
}
int length2 = stringBuilder1.Length;
int num19 = (int)byte.MaxValue;
StringBuilder stringBuilder2 = stringBuilder1;
int index5 = stringBuilder2.Length - 1;
int num20 = IdnMapping.IsDot(stringBuilder2[index5]) ? 0 : 1;
int num21 = num19 - num20;
if (length2 > num21)
{
string key = "Argument_IdnBadNameSize";
object[] objArray = new object[1];
int index2 = 0;
int num4 = (int)byte.MaxValue;
StringBuilder stringBuilder3 = stringBuilder1;
int index3 = stringBuilder3.Length - 1;
int num5 = IdnMapping.IsDot(stringBuilder3[index3]) ? 0 : 1;
// ISSUE: variable of a boxed type
__Boxed <int> local = (ValueType)(num4 - num5);
objArray[index2] = (object)local;
throw new ArgumentException(Environment.GetResourceString(key, objArray), "ascii");
}
return(stringBuilder1.ToString());
}
private static string punycode_encode(string unicode)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
StringBuilder stringBuilder = new StringBuilder(unicode.Length);
int num1 = 0;
int num2 = 0;
int startIndex = 0;
while (num1 < unicode.Length)
{
num1 = unicode.IndexOfAny(IdnMapping.M_Dots, num2);
if (num1 < 0)
{
num1 = unicode.Length;
}
if (num1 == num2)
{
if (num1 != unicode.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
break;
}
stringBuilder.Append("xn--");
bool flag = false;
switch (CharUnicodeInfo.GetBidiCategory(unicode, num2))
{
case BidiCategory.RightToLeft:
case BidiCategory.RightToLeftArabic:
flag = true;
int index1 = num1 - 1;
if (char.IsLowSurrogate(unicode, index1))
{
--index1;
}
switch (CharUnicodeInfo.GetBidiCategory(unicode, index1))
{
case BidiCategory.RightToLeft:
case BidiCategory.RightToLeftArabic:
break;
default:
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
}
int num3 = 0;
for (int index2 = num2; index2 < num1; ++index2)
{
BidiCategory bidiCategory = CharUnicodeInfo.GetBidiCategory(unicode, index2);
if (flag && bidiCategory == BidiCategory.LeftToRight)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (!flag && (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (IdnMapping.basic((uint)unicode[index2]))
{
stringBuilder.Append(IdnMapping.encode_basic(unicode[index2]));
++num3;
}
else if (char.IsSurrogatePair(unicode, index2))
{
++index2;
}
}
int num4 = num3;
if (num4 == num1 - num2)
{
stringBuilder.Remove(startIndex, "xn--".Length);
}
else
{
if (unicode.Length - num2 >= "xn--".Length && unicode.Substring(num2, "xn--".Length).Equals("xn--", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "unicode");
}
int num5 = 0;
if (num4 > 0)
{
stringBuilder.Append('-');
}
int num6 = 128;
int num7 = 0;
int num8 = 72;
while (num3 < num1 - num2)
{
int cTest = 134217727;
int index2 = num2;
while (index2 < num1)
{
int utf32 = char.ConvertToUtf32(unicode, index2);
if (utf32 >= num6 && utf32 < cTest)
{
cTest = utf32;
}
index2 += IdnMapping.IsSupplementary(utf32) ? 2 : 1;
}
int delta = num7 + (cTest - num6) * (num3 - num5 + 1);
int num9 = cTest;
int index3 = num2;
while (index3 < num1)
{
int utf32 = char.ConvertToUtf32(unicode, index3);
if (utf32 < num9)
{
++delta;
}
if (utf32 == num9)
{
int d = delta;
int num10 = 36;
while (true)
{
int num11 = num10 <= num8 ? 1 : (num10 >= num8 + 26 ? 26 : num10 - num8);
if (d >= num11)
{
stringBuilder.Append(IdnMapping.encode_digit(num11 + (d - num11) % (36 - num11)));
d = (d - num11) / (36 - num11);
num10 += 36;
}
else
{
break;
}
}
stringBuilder.Append(IdnMapping.encode_digit(d));
num8 = IdnMapping.adapt(delta, num3 - num5 + 1, num3 == num4);
delta = 0;
++num3;
if (IdnMapping.IsSupplementary(cTest))
{
++num3;
++num5;
}
}
index3 += IdnMapping.IsSupplementary(utf32) ? 2 : 1;
}
num7 = delta + 1;
num6 = num9 + 1;
}
}
if (stringBuilder.Length - startIndex > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (num1 != unicode.Length)
{
stringBuilder.Append('.');
}
num2 = num1 + 1;
startIndex = stringBuilder.Length;
}
int length = stringBuilder.Length;
int num12 = (int)byte.MaxValue;
string str1 = unicode;
int index4 = str1.Length - 1;
int num13 = IdnMapping.IsDot(str1[index4]) ? 0 : 1;
int num14 = num12 - num13;
if (length > num14)
{
string key = "Argument_IdnBadNameSize";
object[] objArray = new object[1];
int index1 = 0;
int num3 = (int)byte.MaxValue;
string str2 = unicode;
int index2 = str2.Length - 1;
int num4 = IdnMapping.IsDot(str2[index2]) ? 0 : 1;
// ISSUE: variable of a boxed type
__Boxed <int> local = (ValueType)(num3 - num4);
objArray[index1] = (object)local;
throw new ArgumentException(Environment.GetResourceString(key, objArray), "unicode");
}
return(stringBuilder.ToString());
}
private static bool ValidateStd3AndAscii(string unicode, bool bUseStd3, bool bCheckAscii)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
int num1 = -1;
for (int index = 0; index < unicode.Length; ++index)
{
if ((int)unicode[index] <= 31)
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequence", (object)index), "unicode");
}
if (bCheckAscii && (int)unicode[index] >= (int)sbyte.MaxValue)
{
return(false);
}
if (IdnMapping.IsDot(unicode[index]))
{
if (index == num1 + 1)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (index - num1 > 64)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "Unicode");
}
if (bUseStd3 && index > 0)
{
IdnMapping.ValidateStd3(unicode[index - 1], true);
}
num1 = index;
}
else if (bUseStd3)
{
IdnMapping.ValidateStd3(unicode[index], index == num1 + 1);
}
}
if (num1 == -1 && unicode.Length > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
int length = unicode.Length;
int num2 = (int)byte.MaxValue;
string str1 = unicode;
int index1 = str1.Length - 1;
int num3 = IdnMapping.IsDot(str1[index1]) ? 0 : 1;
int num4 = num2 - num3;
if (length > num4)
{
string key = "Argument_IdnBadNameSize";
object[] objArray = new object[1];
int index2 = 0;
int num5 = (int)byte.MaxValue;
string str2 = unicode;
int index3 = str2.Length - 1;
int num6 = IdnMapping.IsDot(str2[index3]) ? 0 : 1;
// ISSUE: variable of a boxed type
__Boxed <int> local = (ValueType)(num5 - num6);
objArray[index2] = (object)local;
throw new ArgumentException(Environment.GetResourceString(key, objArray), "unicode");
}
if (bUseStd3)
{
string str2 = unicode;
int index2 = str2.Length - 1;
if (!IdnMapping.IsDot(str2[index2]))
{
string str3 = unicode;
int index3 = str3.Length - 1;
IdnMapping.ValidateStd3(str3[index3], true);
}
}
return(true);
}
/// <summary>编码包含 US-ASCII 字符范围以外的 Unicode 字符的域名称标签子字符串的指定字符数。子串转换为在 US-ASCII 字符范围内可显示的“ Unicode ”字符串并根据 IDNA 标准格式化。</summary>
/// <returns>由 <paramref name="unicode" />、<paramref name="index" /> 和 <paramref name="count" /> 参数指定的子字符串的等效项，包括 US-ASCII 字符范围（U+0020 至 U+007E）内的可显示 Unicode 字符并根据 IDNA 标准格式化。</returns>
/// <param name="unicode">要转换的字符串，它包含一个或多个由标签分隔符分隔的域名标签。</param>
/// <param name="index">
/// <paramref name="unicode" /> 的从零开始的偏移量，用于指定子字符串的起始位置。</param>
/// <param name="count">要在 <paramref name="unicode" /> 字符串中的 <paramref name="index" /> 指定的位置开始的子字符串中转换的字符数。</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="unicode" /> 为 null。</exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="index" /> 或 <paramref name="count" /> 小于零。- 或 -<paramref name="index" /> 大于 <paramref name="unicode" /> 的长度。- 或 -<paramref name="index" /> 大于 <paramref name="unicode" /> 的长度减去 <paramref name="count" />。</exception>
/// <exception cref="T:System.ArgumentException">根据 <see cref="P:System.Globalization.IdnMapping.AllowUnassigned" /> 和 <see cref="P:System.Globalization.IdnMapping.UseStd3AsciiRules" /> 属性以及 IDNA 标准，<paramref name="unicode" /> 是无效的。</exception>
public string GetAscii(string unicode, int index, int count)
{
if (unicode == null)
{
throw new ArgumentNullException("unicode");
}
if (index < 0 || count < 0)
{
throw new ArgumentOutOfRangeException(index < 0 ? "index" : "count", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (index > unicode.Length)
{
throw new ArgumentOutOfRangeException("byteIndex", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
if (index > unicode.Length - count)
{
throw new ArgumentOutOfRangeException("unicode", Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
}
unicode = unicode.Substring(index, count);
if (Environment.IsWindows8OrAbove)
{
return(this.GetAsciiUsingOS(unicode));
}
if (IdnMapping.ValidateStd3AndAscii(unicode, this.UseStd3AsciiRules, true))
{
return(unicode);
}
string str1 = unicode;
int index1 = str1.Length - 1;
if ((int)str1[index1] <= 31)
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequence", (object)(unicode.Length - 1)), "unicode");
}
int num;
if (unicode.Length > 0)
{
string str2 = unicode;
int index2 = str2.Length - 1;
num = IdnMapping.IsDot(str2[index2]) ? 1 : 0;
}
else
{
num = 0;
}
unicode = unicode.Normalize(this.m_bAllowUnassigned ? (NormalizationForm)13 : (NormalizationForm)269);
if (num == 0 && unicode.Length > 0)
{
string str2 = unicode;
int index2 = str2.Length - 1;
if (IdnMapping.IsDot(str2[index2]))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
}
if (this.UseStd3AsciiRules)
{
IdnMapping.ValidateStd3AndAscii(unicode, true, false);
}
return(IdnMapping.punycode_encode(unicode));
}
// Token: 0x06002FE3 RID: 12259 RVA: 0x000B7D34 File Offset: 0x000B5F34
private static string punycode_decode(string ascii)
{
if (ascii.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
if (ascii.Length > 255 - (IdnMapping.IsDot(ascii[ascii.Length - 1]) ? 0 : 1))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadNameSize", new object[]
{
255 - (IdnMapping.IsDot(ascii[ascii.Length - 1]) ? 0 : 1)
}), "ascii");
}
StringBuilder stringBuilder = new StringBuilder(ascii.Length);
int i = 0;
int num = 0;
int num2 = 0;
while (i < ascii.Length)
{
i = ascii.IndexOf('.', num);
if (i < 0 || i > ascii.Length)
{
i = ascii.Length;
}
if (i == num)
{
if (i != ascii.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
break;
}
else
{
if (i - num > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
if (ascii.Length < "xn--".Length + num || !ascii.Substring(num, "xn--".Length).Equals("xn--", StringComparison.OrdinalIgnoreCase))
{
stringBuilder.Append(ascii.Substring(num, i - num));
}
else
{
num += "xn--".Length;
int num3 = ascii.LastIndexOf('-', i - 1);
if (num3 == i - 1)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
int num4;
if (num3 <= num)
{
num4 = 0;
}
else
{
num4 = num3 - num;
for (int j = num; j < num + num4; j++)
{
if (ascii[j] > '\u007f')
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
stringBuilder.Append((ascii[j] >= 'A' && ascii[j] <= 'Z') ? (ascii[j] - 'A' + 'a') : ascii[j]);
}
}
int k = num + ((num4 > 0) ? (num4 + 1) : 0);
int num5 = 128;
int num6 = 72;
int num7 = 0;
int num8 = 0;
IL_40D:
while (k < i)
{
int num9 = num7;
int num10 = 1;
int num11 = 36;
while (k < i)
{
int num12 = IdnMapping.decode_digit(ascii[k++]);
if (num12 > (134217727 - num7) / num10)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
num7 += num12 * num10;
int num13 = (num11 <= num6) ? 1 : ((num11 >= num6 + 26) ? 26 : (num11 - num6));
if (num12 >= num13)
{
if (num10 > 134217727 / (36 - num13))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
num10 *= 36 - num13;
num11 += 36;
}
else
{
num6 = IdnMapping.adapt(num7 - num9, stringBuilder.Length - num2 - num8 + 1, num9 == 0);
if (num7 / (stringBuilder.Length - num2 - num8 + 1) > 134217727 - num5)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
num5 += num7 / (stringBuilder.Length - num2 - num8 + 1);
num7 %= stringBuilder.Length - num2 - num8 + 1;
if (num5 < 0 || num5 > 1114111 || (num5 >= 55296 && num5 <= 57343))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
string value = char.ConvertFromUtf32(num5);
int num14;
if (num8 > 0)
{
int l = num7;
num14 = num2;
while (l > 0)
{
if (num14 >= stringBuilder.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
if (char.IsSurrogate(stringBuilder[num14]))
{
num14++;
}
l--;
num14++;
}
}
else
{
num14 = num2 + num7;
}
stringBuilder.Insert(num14, value);
if (IdnMapping.IsSupplementary(num5))
{
num8++;
}
num7++;
goto IL_40D;
}
}
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "ascii");
}
bool flag = false;
BidiCategory bidiCategory = CharUnicodeInfo.GetBidiCategory(stringBuilder.ToString(), num2);
if (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic)
{
flag = true;
}
for (int m = num2; m < stringBuilder.Length; m++)
{
if (!char.IsLowSurrogate(stringBuilder.ToString(), m))
{
bidiCategory = CharUnicodeInfo.GetBidiCategory(stringBuilder.ToString(), m);
if ((flag && bidiCategory == BidiCategory.LeftToRight) || (!flag && (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic)))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "ascii");
}
}
}
if (flag && bidiCategory != BidiCategory.RightToLeft && bidiCategory != BidiCategory.RightToLeftArabic)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "ascii");
}
}
if (i - num > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "ascii");
}
if (i != ascii.Length)
{
stringBuilder.Append('.');
}
num = i + 1;
num2 = stringBuilder.Length;
}
}
if (stringBuilder.Length > 255 - (IdnMapping.IsDot(stringBuilder[stringBuilder.Length - 1]) ? 0 : 1))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadNameSize", new object[]
{
255 - (IdnMapping.IsDot(stringBuilder[stringBuilder.Length - 1]) ? 0 : 1)
}), "ascii");
}
return(stringBuilder.ToString());
}
// Token: 0x06002FE2 RID: 12258 RVA: 0x000B7924 File Offset: 0x000B5B24
private static string punycode_encode(string unicode)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
StringBuilder stringBuilder = new StringBuilder(unicode.Length);
int i = 0;
int num = 0;
int num2 = 0;
while (i < unicode.Length)
{
i = unicode.IndexOfAny(IdnMapping.M_Dots, num);
if (i < 0)
{
i = unicode.Length;
}
if (i == num)
{
if (i != unicode.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
break;
}
else
{
stringBuilder.Append("xn--");
bool flag = false;
BidiCategory bidiCategory = CharUnicodeInfo.GetBidiCategory(unicode, num);
if (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic)
{
flag = true;
int num3 = i - 1;
if (char.IsLowSurrogate(unicode, num3))
{
num3--;
}
bidiCategory = CharUnicodeInfo.GetBidiCategory(unicode, num3);
if (bidiCategory != BidiCategory.RightToLeft && bidiCategory != BidiCategory.RightToLeftArabic)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
}
int j = 0;
for (int k = num; k < i; k++)
{
BidiCategory bidiCategory2 = CharUnicodeInfo.GetBidiCategory(unicode, k);
if (flag && bidiCategory2 == BidiCategory.LeftToRight)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (!flag && (bidiCategory2 == BidiCategory.RightToLeft || bidiCategory2 == BidiCategory.RightToLeftArabic))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (IdnMapping.basic((uint)unicode[k]))
{
stringBuilder.Append(IdnMapping.encode_basic(unicode[k]));
j++;
}
else if (char.IsSurrogatePair(unicode, k))
{
k++;
}
}
int num4 = j;
if (num4 == i - num)
{
stringBuilder.Remove(num2, "xn--".Length);
}
else
{
if (unicode.Length - num >= "xn--".Length && unicode.Substring(num, "xn--".Length).Equals("xn--", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "unicode");
}
int num5 = 0;
if (num4 > 0)
{
stringBuilder.Append('-');
}
int num6 = 128;
int num7 = 0;
int num8 = 72;
while (j < i - num)
{
int num9 = 134217727;
int num10;
for (int l = num; l < i; l += (IdnMapping.IsSupplementary(num10) ? 2 : 1))
{
num10 = char.ConvertToUtf32(unicode, l);
if (num10 >= num6 && num10 < num9)
{
num9 = num10;
}
}
num7 += (num9 - num6) * (j - num5 + 1);
num6 = num9;
for (int l = num; l < i; l += (IdnMapping.IsSupplementary(num10) ? 2 : 1))
{
num10 = char.ConvertToUtf32(unicode, l);
if (num10 < num6)
{
num7++;
}
if (num10 == num6)
{
int num11 = num7;
int num12 = 36;
for (;;)
{
int num13 = (num12 <= num8) ? 1 : ((num12 >= num8 + 26) ? 26 : (num12 - num8));
if (num11 < num13)
{
break;
}
stringBuilder.Append(IdnMapping.encode_digit(num13 + (num11 - num13) % (36 - num13)));
num11 = (num11 - num13) / (36 - num13);
num12 += 36;
}
stringBuilder.Append(IdnMapping.encode_digit(num11));
num8 = IdnMapping.adapt(num7, j - num5 + 1, j == num4);
num7 = 0;
j++;
if (IdnMapping.IsSupplementary(num9))
{
j++;
num5++;
}
}
}
num7++;
num6++;
}
}
if (stringBuilder.Length - num2 > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (i != unicode.Length)
{
stringBuilder.Append('.');
}
num = i + 1;
num2 = stringBuilder.Length;
}
}
if (stringBuilder.Length > 255 - (IdnMapping.IsDot(unicode[unicode.Length - 1]) ? 0 : 1))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadNameSize", new object[]
{
255 - (IdnMapping.IsDot(unicode[unicode.Length - 1]) ? 0 : 1)
}), "unicode");
}
return(stringBuilder.ToString());
}
