public override string ToString()
{
if (_username.Length == 0 && _password.Length > 0)
{
throw new UriFormatException(SR.net_uri_BadUserPassword);
}
if (_scheme.Length != 0)
{
UriParser syntax = UriParser.GetSyntax(_scheme);
if (syntax != null)
{
_schemeDelimiter = syntax.InFact(UriSyntaxFlags.MustHaveAuthority) ||
(_host.Length != 0 && syntax.NotAny(UriSyntaxFlags.MailToLikeUri) && syntax.InFact(UriSyntaxFlags.OptionalAuthority))
? Uri.SchemeDelimiter
: ":";
}
else
{
_schemeDelimiter = _host.Length != 0 ? Uri.SchemeDelimiter : ":";
}
}
string result = _scheme.Length != 0 ? (_scheme + _schemeDelimiter) : string.Empty;
return(result
+ _username
+ ((_password.Length > 0) ? (":" + _password) : string.Empty)
+ ((_username.Length > 0) ? "@" : string.Empty)
+ _host
+ (((_port != -1) && (_host.Length > 0)) ? (":" + _port) : string.Empty)
+ (((_host.Length > 0) && (_path.Length != 0) && (_path[0] != '/')) ? "/" : string.Empty) + _path
+ _query
+ _fragment);
}
public override string ToString()
{
if ((this.m_username.Length == 0) && (this.m_password.Length > 0))
{
throw new UriFormatException(SR.GetString("net_uri_BadUserPassword"));
}
if (this.m_scheme.Length != 0)
{
UriParser syntax = UriParser.GetSyntax(this.m_scheme);
if (syntax != null)
{
this.m_schemeDelimiter = (syntax.InFact(UriSyntaxFlags.MustHaveAuthority) || (((this.m_host.Length != 0) && syntax.NotAny(UriSyntaxFlags.MailToLikeUri)) && syntax.InFact(UriSyntaxFlags.OptionalAuthority))) ? System.Uri.SchemeDelimiter : ":";
}
else
{
this.m_schemeDelimiter = (this.m_host.Length != 0) ? System.Uri.SchemeDelimiter : ":";
}
}
string str = (this.m_scheme.Length != 0) ? (this.m_scheme + this.m_schemeDelimiter) : string.Empty;
string[] strArray = new string[] { str, this.m_username, (this.m_password.Length > 0) ? (":" + this.m_password) : string.Empty, (this.m_username.Length > 0) ? "@" : string.Empty, this.m_host, ((this.m_port != -1) && (this.m_host.Length > 0)) ? (":" + this.m_port) : string.Empty, (((this.m_host.Length > 0) && (this.m_path.Length != 0)) && (this.m_path[0] != '/')) ? "/" : string.Empty, this.m_path, this.m_query, this.m_fragment };
return(string.Concat(strArray));
}
private static bool StaticIsFile(UriParser syntax)
{
return syntax.InFact(UriSyntaxFlags.FileLikeUri);
}
private static bool IriParsingStatic(UriParser syntax)
{
if (!s_IriParsing)
{
return false;
}
return (((syntax != null) && syntax.InFact(UriSyntaxFlags.AllowIriParsing)) || (syntax == null));
}
private unsafe ushort CheckAuthorityHelper(char* pString, ushort idx, ushort length, ref ParsingError err, ref Flags flags, UriParser syntax, ref string newHost)
{
char ch;
int end = length;
int num2 = idx;
ushort index = idx;
newHost = null;
bool justNormalized = false;
bool iriParsing = s_IriParsing && IriParsingStatic(syntax);
bool hasUnicode = (flags & Flags.HasUnicode) != Flags.HostNotParsed;
bool flag4 = (flags & (Flags.HostNotParsed | Flags.HostUnicodeNormalized)) == Flags.HostNotParsed;
UriSyntaxFlags flags2 = syntax.Flags;
if ((hasUnicode && iriParsing) && flag4)
{
newHost = this.m_originalUnicodeString.Substring(0, num2);
}
if ((((idx == length) || ((ch = pString[idx]) == '/')) || ((ch == '\\') && StaticIsFile(syntax))) || ((ch == '#') || (ch == '?')))
{
if (syntax.InFact(UriSyntaxFlags.AllowEmptyHost))
{
flags &= ~(Flags.HostNotParsed | Flags.UncPath);
if (StaticInFact(flags, Flags.HostNotParsed | Flags.ImplicitFile))
{
err = ParsingError.BadHostName;
}
else
{
flags |= Flags.BasicHostType;
}
}
else
{
err = ParsingError.BadHostName;
}
if ((hasUnicode && iriParsing) && flag4)
{
flags |= Flags.HostNotParsed | Flags.HostUnicodeNormalized;
}
return idx;
}
string userInfoString = null;
if ((flags2 & UriSyntaxFlags.MayHaveUserInfo) != UriSyntaxFlags.None)
{
while (index < end)
{
if (((index == (end - 1)) || (pString[index] == '?')) || (((pString[index] == '#') || (pString[index] == '\\')) || (pString[index] == '/')))
{
index = idx;
break;
}
if (pString[index] == '@')
{
flags |= Flags.HasUserInfo;
if (iriParsing || (s_IdnScope != null))
{
if ((iriParsing && hasUnicode) && flag4)
{
userInfoString = this.EscapeUnescapeIri(pString, num2, index + 1, UriComponents.UserInfo);
try
{
userInfoString = userInfoString.Normalize(NormalizationForm.FormC);
}
catch (ArgumentException)
{
err = ParsingError.BadFormat;
return idx;
}
newHost = newHost + userInfoString;
}
else
{
userInfoString = new string(pString, num2, (index - num2) + 1);
}
}
index = (ushort) (index + 1);
ch = pString[index];
break;
}
index = (ushort) (index + 1);
}
}
bool notCanonical = (flags2 & UriSyntaxFlags.SimpleUserSyntax) == UriSyntaxFlags.None;
if (((ch == '[') && syntax.InFact(UriSyntaxFlags.AllowIPv6Host)) && IPv6AddressHelper.IsValid(pString, index + 1, ref end))
{
flags |= Flags.HostNotParsed | Flags.IPv6HostType;
if (!s_ConfigInitialized)
{
InitializeUriConfig();
this.m_iriParsing = s_IriParsing && IriParsingStatic(syntax);
}
if ((hasUnicode && iriParsing) && flag4)
{
newHost = newHost + new string(pString, index, end - index);
flags |= Flags.HostNotParsed | Flags.HostUnicodeNormalized;
justNormalized = true;
}
}
else if (((ch <= '9') && (ch >= '0')) && (syntax.InFact(UriSyntaxFlags.AllowIPv4Host) && IPv4AddressHelper.IsValid(pString, index, ref end, false, StaticNotAny(flags, Flags.HostNotParsed | Flags.ImplicitFile))))
{
flags |= Flags.HostNotParsed | Flags.IPv4HostType;
if ((hasUnicode && iriParsing) && flag4)
{
newHost = newHost + new string(pString, index, end - index);
flags |= Flags.HostNotParsed | Flags.HostUnicodeNormalized;
justNormalized = true;
}
}
else if ((((flags2 & UriSyntaxFlags.AllowDnsHost) != UriSyntaxFlags.None) && !iriParsing) && DomainNameHelper.IsValid(pString, index, ref end, ref notCanonical, StaticNotAny(flags, Flags.HostNotParsed | Flags.ImplicitFile)))
{
flags |= Flags.DnsHostType;
if (!notCanonical)
{
flags |= Flags.CanonicalDnsHost;
}
if (s_IdnScope != null)
{
if ((s_IdnScope == 1) && this.IsIntranet(new string(pString, 0, end)))
{
flags |= Flags.HostNotParsed | Flags.IntranetUri;
}
if (this.AllowIdnStatic(syntax, flags))
{
bool allAscii = true;
bool atLeastOneValidIdn = false;
string str2 = DomainNameHelper.UnicodeEquivalent(pString, index, end, ref allAscii, ref atLeastOneValidIdn);
if (atLeastOneValidIdn)
{
if (StaticNotAny(flags, Flags.HasUnicode))
{
this.m_originalUnicodeString = this.m_String;
}
flags |= Flags.HostNotParsed | Flags.IdnHost;
newHost = this.m_originalUnicodeString.Substring(0, num2) + userInfoString + str2;
flags |= Flags.CanonicalDnsHost;
this.m_DnsSafeHost = new string(pString, index, end - index);
justNormalized = true;
}
flags |= Flags.HostNotParsed | Flags.HostUnicodeNormalized;
}
}
}
else if ((((iriParsing || (s_IdnScope != null)) && ((flags2 & UriSyntaxFlags.AllowDnsHost) != UriSyntaxFlags.None)) && ((iriParsing && flag4) || this.AllowIdnStatic(syntax, flags))) && DomainNameHelper.IsValidByIri(pString, index, ref end, ref notCanonical, StaticNotAny(flags, Flags.HostNotParsed | Flags.ImplicitFile)))
{
this.CheckAuthorityHelperHandleDnsIri(pString, index, end, num2, iriParsing, hasUnicode, syntax, userInfoString, ref flags, ref justNormalized, ref newHost, ref err);
}
else if ((((s_IdnScope == null) && !s_IriParsing) && (((flags2 & UriSyntaxFlags.AllowUncHost) != UriSyntaxFlags.None) && UncNameHelper.IsValid(pString, index, ref end, StaticNotAny(flags, Flags.HostNotParsed | Flags.ImplicitFile)))) && ((end - index) <= 0x100))
{
flags |= Flags.HostNotParsed | Flags.UncHostType;
}
if (((end < length) && (pString[end] == '\\')) && (((flags & (Flags.BasicHostType | Flags.IPv4HostType)) != Flags.HostNotParsed) && !StaticIsFile(syntax)))
{
if (syntax.InFact(UriSyntaxFlags.V1_UnknownUri))
{
err = ParsingError.BadHostName;
flags |= Flags.BasicHostType | Flags.IPv4HostType;
return (ushort) end;
}
flags &= ~(Flags.BasicHostType | Flags.IPv4HostType);
}
else if ((end < length) && (pString[end] == ':'))
{
if (!syntax.InFact(UriSyntaxFlags.MayHavePort))
{
flags &= ~(Flags.BasicHostType | Flags.IPv4HostType);
}
else
{
int num4 = 0;
int startIndex = end;
idx = (ushort) (end + 1);
while (idx < length)
{
ushort num6 = pString[idx] - '0';
if ((num6 >= 0) && (num6 <= 9))
{
num4 = (num4 * 10) + num6;
if (num4 > 0xffff)
{
break;
}
}
else
{
if (((num6 == 0xffff) || (num6 == 15)) || (num6 == 0xfff3))
{
break;
}
if (syntax.InFact(UriSyntaxFlags.AllowAnyOtherHost) && syntax.NotAny(UriSyntaxFlags.V1_UnknownUri))
{
flags &= ~(Flags.BasicHostType | Flags.IPv4HostType);
break;
}
err = ParsingError.BadPort;
return idx;
}
idx = (ushort) (idx + 1);
}
if (num4 > 0xffff)
{
if (!syntax.InFact(UriSyntaxFlags.AllowAnyOtherHost))
{
err = ParsingError.BadPort;
return idx;
}
flags &= ~(Flags.BasicHostType | Flags.IPv4HostType);
}
if ((iriParsing && hasUnicode) && justNormalized)
{
newHost = newHost + new string(pString, startIndex, idx - startIndex);
}
}
}
if ((flags & (Flags.BasicHostType | Flags.IPv4HostType)) == Flags.HostNotParsed)
{
flags &= ~Flags.HasUserInfo;
if (!syntax.InFact(UriSyntaxFlags.AllowAnyOtherHost))
{
if (!syntax.InFact(UriSyntaxFlags.V1_UnknownUri))
{
if (syntax.InFact(UriSyntaxFlags.MustHaveAuthority))
{
err = ParsingError.BadHostName;
flags |= Flags.BasicHostType | Flags.IPv4HostType;
return idx;
}
}
else
{
bool flag8 = false;
int num7 = idx;
for (end = idx; end < length; end++)
{
if (flag8 && (((pString[end] == '/') || (pString[end] == '?')) || (pString[end] == '#')))
{
break;
}
if ((end < (idx + 2)) && (pString[end] == '.'))
{
flag8 = true;
}
else
{
err = ParsingError.BadHostName;
flags |= Flags.BasicHostType | Flags.IPv4HostType;
return idx;
}
}
flags |= Flags.BasicHostType;
if ((iriParsing && hasUnicode) && StaticNotAny(flags, Flags.HostNotParsed | Flags.HostUnicodeNormalized))
{
string str3 = new string(pString, num7, num7 - end);
try
{
newHost = newHost + str3.Normalize(NormalizationForm.FormC);
}
catch (ArgumentException)
{
err = ParsingError.BadFormat;
return idx;
}
flags |= Flags.HostNotParsed | Flags.HostUnicodeNormalized;
}
}
}
else
{
flags |= Flags.BasicHostType;
end = idx;
while (end < length)
{
if (((pString[end] == '/') || (pString[end] == '?')) || (pString[end] == '#'))
{
break;
}
end++;
}
this.CheckAuthorityHelperHandleAnyHostIri(pString, num2, end, iriParsing, hasUnicode, syntax, ref flags, ref newHost, ref err);
}
}
return (ushort) end;
}
private static char[] Compress(char[] dest, ushort start, ref int destLength, UriParser syntax)
{
ushort num = 0;
ushort num2 = 0;
ushort num3 = 0;
ushort num4 = 0;
ushort index = (ushort) (((ushort) destLength) - 1);
start = (ushort) (start - 1);
while (index != start)
{
char ch = dest[index];
if ((ch == '\\') && syntax.InFact(UriSyntaxFlags.ConvertPathSlashes))
{
dest[index] = ch = '/';
}
if (ch == '/')
{
num = (ushort) (num + 1);
}
else
{
if (num > 1)
{
num2 = (ushort) (index + 1);
}
num = 0;
}
if (ch == '.')
{
num3 = (ushort) (num3 + 1);
goto Label_017F;
}
if (num3 == 0)
{
goto Label_0148;
}
bool flag = syntax.NotAny(UriSyntaxFlags.CanonicalizeAsFilePath) && (((num3 > 2) || (ch != '/')) || (index == start));
if (!flag && (ch == '/'))
{
if ((num2 != ((index + num3) + 1)) && ((num2 != 0) || (((index + num3) + 1) != destLength)))
{
goto Label_0146;
}
num2 = (ushort) (((index + 1) + num3) + ((num2 == 0) ? 0 : 1));
Buffer.BlockCopy(dest, num2 << 1, dest, (index + 1) << 1, (destLength - num2) << 1);
destLength -= (num2 - index) - 1;
num2 = index;
if (num3 == 2)
{
num4 = (ushort) (num4 + 1);
}
num3 = 0;
goto Label_017F;
}
if ((!flag && (num4 == 0)) && ((num2 == ((index + num3) + 1)) || ((num2 == 0) && (((index + num3) + 1) == destLength))))
{
num3 = (ushort) ((index + 1) + num3);
Buffer.BlockCopy(dest, num3 << 1, dest, (index + 1) << 1, (destLength - num3) << 1);
destLength -= (num3 - index) - 1;
num2 = 0;
num3 = 0;
goto Label_017F;
}
Label_0146:
num3 = 0;
Label_0148:
if (ch == '/')
{
if (num4 != 0)
{
num4 = (ushort) (num4 - 1);
num2 = (ushort) (num2 + 1);
Buffer.BlockCopy(dest, num2 << 1, dest, (index + 1) << 1, (destLength - num2) << 1);
destLength -= (num2 - index) - 1;
}
num2 = index;
}
Label_017F:
index = (ushort) (index - 1);
}
start = (ushort) (start + 1);
if (((((ushort) destLength) > start) && syntax.InFact(UriSyntaxFlags.CanonicalizeAsFilePath)) && (num <= 1))
{
if ((num4 != 0) && (dest[start] != '/'))
{
num2 = (ushort) (num2 + 1);
Buffer.BlockCopy(dest, num2 << 1, dest, start << 1, (destLength - num2) << 1);
destLength -= num2;
return dest;
}
if ((num3 != 0) && ((num2 == (num3 + 1)) || ((num2 == 0) && ((num3 + 1) == destLength))))
{
num3 = (ushort) (num3 + ((num2 == 0) ? 0 : 1));
Buffer.BlockCopy(dest, num3 << 1, dest, start << 1, (destLength - num3) << 1);
destLength -= num3;
}
}
return dest;
}
//
// This will compress any "\" "/../" "/./" "///" "/..../" /XXX.../, etc found in the input
//
// The passed syntax controls whether to use aggressive compression or the one specified in RFC 2396
//
private static char[] Compress(char[] dest, ushort start, ref int destLength, UriParser syntax)
{
ushort slashCount = 0;
ushort lastSlash = 0;
ushort dotCount = 0;
ushort removeSegments = 0;
unchecked
{
//ushort i == -1 and start == -1 overflow is ok here
ushort i = (ushort)((ushort)destLength - (ushort)1);
start = (ushort)(start - 1);
for (; i != start; --i)
{
char ch = dest[i];
if (ch == '\\' && syntax.InFact(UriSyntaxFlags.ConvertPathSlashes))
{
dest[i] = ch = '/';
}
//
// compress multiple '/' for file URI
//
if (ch == '/')
{
++slashCount;
}
else
{
if (slashCount > 1)
{
// else preserve repeated slashes
lastSlash = (ushort)(i + 1);
}
slashCount = 0;
}
if (ch == '.')
{
++dotCount;
continue;
}
else if (dotCount != 0)
{
bool skipSegment = syntax.NotAny(UriSyntaxFlags.CanonicalizeAsFilePath)
&& (dotCount > 2 || ch != '/' || i == start);
//
// Cases:
// /./ = remove this segment
// /../ = remove this segment, mark next for removal
// /....x = DO NOT TOUCH, leave as is
// x.../ = DO NOT TOUCH, leave as is, except for V2 legacy mode
//
if (!skipSegment && ch == '/')
{
if ((lastSlash == i + dotCount + 1 // "/..../"
|| (lastSlash == 0 && i + dotCount + 1 == destLength)) // "/..."
&& (dotCount <= 2))
{
//
// /./ or /.<eos> or /../ or /..<eos>
//
// just reusing a variable slot we perform //dest.Remove(i+1, dotCount + (lastSlash==0?0:1));
lastSlash = (ushort)(i + 1 + dotCount + (lastSlash == 0 ? 0 : 1));
Buffer.BlockCopy(dest, lastSlash << 1, dest, (i + 1) << 1, (destLength - lastSlash) << 1);
destLength -= (lastSlash - i - 1);
lastSlash = i;
if (dotCount == 2)
{
//
// We have 2 dots in between like /../ or /..<eos>,
// Mark next segment for removal and remove this /../ or /..
//
++removeSegments;
}
dotCount = 0;
continue;
}
}
// .NET 4.5 no longer removes trailing dots in a path segment x.../ or x...<eos>
dotCount = 0;
//
// Here all other cases go such as
// x.[..]y or /.[..]x or (/x.[...][/] && removeSegments !=0)
}
//
// Now we may want to remove a segment because of previous /../
//
if (ch == '/')
{
if (removeSegments != 0)
{
--removeSegments;
// just reusing a variable slot we perform //dest.Remove(i+1, lastSlash - i);
lastSlash = (ushort)(lastSlash + 1);
Buffer.BlockCopy(dest, lastSlash << 1, dest, (i + 1) << 1, (destLength - lastSlash) << 1);
destLength -= (lastSlash - i - 1);
}
lastSlash = i;
}
}
start = (ushort)((ushort)start + (ushort)1);
} //end of unchecked
if ((ushort)destLength > start && syntax.InFact(UriSyntaxFlags.CanonicalizeAsFilePath))
{
if (slashCount <= 1)
{
if (removeSegments != 0 && dest[start] != '/')
{
//remove first not rooted segment
lastSlash = (ushort)(lastSlash + 1);
Buffer.BlockCopy(dest, lastSlash << 1, dest, start << 1, (destLength - lastSlash) << 1);
destLength -= lastSlash;
}
else if (dotCount != 0)
{
// If final string starts with a segment looking like .[...]/ or .[...]<eos>
// then we remove this first segment
if (lastSlash == dotCount + 1 || (lastSlash == 0 && dotCount + 1 == destLength))
{
dotCount = (ushort)(dotCount + (lastSlash == 0 ? 0 : 1));
Buffer.BlockCopy(dest, dotCount << 1, dest, start << 1, (destLength - dotCount) << 1);
destLength -= dotCount;
}
}
}
}
return dest;
}
//
// Checks the syntax of an authority component. It may also get a userInfo if present
// Returns an error if no/mailformed authority found
// Does not NOT touch m_Info
// Returns position of the Path component
//
// Must be called in the ctor only
private unsafe ushort CheckAuthorityHelper(char* pString, ushort idx, ushort length,
ref ParsingError err, ref Flags flags, UriParser syntax, ref string newHost)
{
int end = length;
char ch;
int startInput = idx;
ushort start = idx;
newHost = null;
bool justNormalized = false;
bool iriParsing = (s_IriParsing && IriParsingStatic(syntax)); // perf
bool hasUnicode = ((flags & Flags.HasUnicode) != 0); // perf
bool hostNotUnicodeNormalized = ((flags & Flags.HostUnicodeNormalized) == 0); // perf
UriSyntaxFlags syntaxFlags = syntax.Flags;
// need to build new Iri'zed string
if (hasUnicode && iriParsing && hostNotUnicodeNormalized)
{
newHost = _originalUnicodeString.Substring(0, startInput);
}
//Special case is an empty authority
if (idx == length || ((ch = pString[idx]) == '/' || (ch == '\\' && StaticIsFile(syntax)) || ch == '#' || ch == '?'))
{
if (syntax.InFact(UriSyntaxFlags.AllowEmptyHost))
{
flags &= ~Flags.UncPath; //UNC cannot have an empty hostname
if (StaticInFact(flags, Flags.ImplicitFile))
err = ParsingError.BadHostName;
else
flags |= Flags.BasicHostType;
}
else
err = ParsingError.BadHostName;
if (hasUnicode && iriParsing && hostNotUnicodeNormalized)
{
flags |= Flags.HostUnicodeNormalized;// no host
}
return idx;
}
string userInfoString = null;
// Attempt to parse user info first
if ((syntaxFlags & UriSyntaxFlags.MayHaveUserInfo) != 0)
{
for (; start < end; ++start)
{
if (start == end - 1 || pString[start] == '?' || pString[start] == '#' || pString[start] == '\\' ||
pString[start] == '/')
{
start = idx;
break;
}
else if (pString[start] == '@')
{
flags |= Flags.HasUserInfo;
// Iri'ze userinfo
if (iriParsing || (s_IdnScope != UriIdnScope.None))
{
if (iriParsing && hasUnicode && hostNotUnicodeNormalized)
{
// Normalize user info
userInfoString = IriHelper.EscapeUnescapeIri(pString, startInput, start + 1, UriComponents.UserInfo);
newHost += userInfoString;
}
else
{
userInfoString = new string(pString, startInput, start - startInput + 1);
}
}
++start;
ch = pString[start];
break;
}
}
}
// DNS name only optimization
// Fo an overridden parsing the optimization is suppressed since hostname can be changed to anything
bool dnsNotCanonical = ((syntaxFlags & UriSyntaxFlags.SimpleUserSyntax) == 0);
if (ch == '[' && syntax.InFact(UriSyntaxFlags.AllowIPv6Host)
&& IPv6AddressHelper.IsValid(pString, (int)start + 1, ref end))
{
flags |= Flags.IPv6HostType;
_iriParsing = (s_IriParsing && IriParsingStatic(syntax));
if (hasUnicode && iriParsing && hostNotUnicodeNormalized)
{
newHost += new string(pString, start, end - start);
flags |= Flags.HostUnicodeNormalized;
justNormalized = true;
}
}
else if (ch <= '9' && ch >= '0' && syntax.InFact(UriSyntaxFlags.AllowIPv4Host) &&
IPv4AddressHelper.IsValid(pString, (int)start, ref end, false, StaticNotAny(flags, Flags.ImplicitFile), syntax.InFact(UriSyntaxFlags.V1_UnknownUri)))
{
flags |= Flags.IPv4HostType;
if (hasUnicode && iriParsing && hostNotUnicodeNormalized)
{
newHost += new string(pString, start, end - start);
flags |= Flags.HostUnicodeNormalized;
justNormalized = true;
}
}
else if (((syntaxFlags & UriSyntaxFlags.AllowDnsHost) != 0) && !iriParsing &&
DomainNameHelper.IsValid(pString, start, ref end, ref dnsNotCanonical, StaticNotAny(flags, Flags.ImplicitFile)))
{
// comes here if there are only ascii chars in host with original parsing and no Iri
flags |= Flags.DnsHostType;
if (!dnsNotCanonical)
{
flags |= Flags.CanonicalDnsHost;
}
if ((s_IdnScope != UriIdnScope.None))
{
// check if intranet
//
if ((s_IdnScope == UriIdnScope.AllExceptIntranet) && IsIntranet(new string(pString, 0, end)))
{
flags |= Flags.IntranetUri;
}
if (AllowIdnStatic(syntax, flags))
{
bool allAscii = true;
bool atLeastOneIdn = false;
string idnValue = DomainNameHelper.UnicodeEquivalent(pString, start, end, ref allAscii, ref atLeastOneIdn);
// did we find at least one valid idn
if (atLeastOneIdn)
{
// need to switch string here since we didn't know beforehand there was an idn host
if (StaticNotAny(flags, Flags.HasUnicode))
_originalUnicodeString = _string; // lazily switching strings
flags |= Flags.IdnHost;
// need to build string for this special scenario
newHost = _originalUnicodeString.Substring(0, startInput) + userInfoString + idnValue;
flags |= Flags.CanonicalDnsHost;
_dnsSafeHost = new string(pString, start, end - start);
justNormalized = true;
}
flags |= Flags.HostUnicodeNormalized;
}
}
}
else if (((syntaxFlags & UriSyntaxFlags.AllowDnsHost) != 0)
&& ((syntax.InFact(UriSyntaxFlags.AllowIriParsing) && hostNotUnicodeNormalized)
|| syntax.InFact(UriSyntaxFlags.AllowIdn))
&& DomainNameHelper.IsValidByIri(pString, start, ref end, ref dnsNotCanonical,
StaticNotAny(flags, Flags.ImplicitFile)))
{
CheckAuthorityHelperHandleDnsIri(pString, start, end, startInput, iriParsing, hasUnicode, syntax,
userInfoString, ref flags, ref justNormalized, ref newHost, ref err);
}
else if ((syntaxFlags & UriSyntaxFlags.AllowUncHost) != 0)
{
//
// This must remain as the last check before BasicHost type
//
if (UncNameHelper.IsValid(pString, start, ref end, StaticNotAny(flags, Flags.ImplicitFile)))
{
if (end - start <= UncNameHelper.MaximumInternetNameLength)
flags |= Flags.UncHostType;
}
}
// The deal here is that we won't allow '\' host terminator except for the File scheme
// If we see '\' we try to make it a part of a Basic host
if (end < length && pString[end] == '\\' && (flags & Flags.HostTypeMask) != Flags.HostNotParsed
&& !StaticIsFile(syntax))
{
if (syntax.InFact(UriSyntaxFlags.V1_UnknownUri))
{
err = ParsingError.BadHostName;
flags |= Flags.UnknownHostType;
return (ushort)end;
}
flags &= ~Flags.HostTypeMask;
}
// Here we have checked the syntax up to the end of host
// The only thing that can cause an exception is the port value
// Spend some (duplicated) cycles on that.
else if (end < length && pString[end] == ':')
{
if (syntax.InFact(UriSyntaxFlags.MayHavePort))
{
int port = 0;
int startPort = end;
for (idx = (ushort)(end + 1); idx < length; ++idx)
{
ushort val = (ushort)((ushort)pString[idx] - (ushort)'0');
if ((val >= 0) && (val <= 9))
{
if ((port = (port * 10 + val)) > 0xFFFF)
break;
}
else if (val == unchecked((ushort)('/' - '0')) || val == (ushort)('?' - '0')
|| val == unchecked((ushort)('#' - '0')))
{
break;
}
else
{
// The second check is to keep compatibility with V1 until the UriParser is registered
if (syntax.InFact(UriSyntaxFlags.AllowAnyOtherHost)
&& syntax.NotAny(UriSyntaxFlags.V1_UnknownUri))
{
flags &= ~Flags.HostTypeMask;
break;
}
else
{
err = ParsingError.BadPort;
return idx;
}
}
}
// check on 0-ffff range
if (port > 0xFFFF)
{
if (syntax.InFact(UriSyntaxFlags.AllowAnyOtherHost))
{
flags &= ~Flags.HostTypeMask;
}
else
{
err = ParsingError.BadPort;
return idx;
}
}
if (iriParsing && hasUnicode && justNormalized)
{
newHost += new string(pString, startPort, idx - startPort);
}
}
else
{
flags &= ~Flags.HostTypeMask;
}
}
// check on whether nothing has worked out
if ((flags & Flags.HostTypeMask) == Flags.HostNotParsed)
{
//No user info for a Basic hostname
flags &= ~Flags.HasUserInfo;
// Some schemes do not allow HostType = Basic (plus V1 almost never understands this issue)
//
if (syntax.InFact(UriSyntaxFlags.AllowAnyOtherHost))
{
flags |= Flags.BasicHostType;
for (end = idx; end < length; ++end)
{
if (pString[end] == '/' || (pString[end] == '?' || pString[end] == '#'))
{
break;
}
}
CheckAuthorityHelperHandleAnyHostIri(pString, startInput, end, iriParsing, hasUnicode, syntax,
ref flags, ref newHost, ref err);
}
else
{
//
// ATTN V1 compat: V1 supports hostnames like ".." and ".", and so we do but only for unknown schemes.
//
if (syntax.InFact(UriSyntaxFlags.V1_UnknownUri))
{
// Can assert here that the host is not empty so we will set dotFound
// at least once or fail before exiting the loop
bool dotFound = false;
int startOtherHost = idx;
for (end = idx; end < length; ++end)
{
if (dotFound && (pString[end] == '/' || pString[end] == '?' || pString[end] == '#'))
break;
else if (end < (idx + 2) && pString[end] == '.')
{
// allow one or two dots
dotFound = true;
}
else
{
//failure
err = ParsingError.BadHostName;
flags |= Flags.UnknownHostType;
return idx;
}
}
//success
flags |= Flags.BasicHostType;
if (iriParsing && hasUnicode
&& StaticNotAny(flags, Flags.HostUnicodeNormalized))
{
// Normalize any other host
string user = new string(pString, startOtherHost, startOtherHost - end);
try
{
newHost += user.Normalize(NormalizationForm.FormC);
}
catch (ArgumentException)
{
err = ParsingError.BadFormat;
return idx;
}
flags |= Flags.HostUnicodeNormalized;
}
}
else if (syntax.InFact(UriSyntaxFlags.MustHaveAuthority) ||
(syntax.InFact(UriSyntaxFlags.MailToLikeUri)))
{
err = ParsingError.BadHostName;
flags |= Flags.UnknownHostType;
return idx;
}
}
}
return (ushort)end;
}
//
// Statically checks if Iri parsing is allowed by the syntax & by config
//
internal static bool IriParsingStatic(UriParser syntax)
{
return (s_IriParsing && (((syntax != null) && syntax.InFact(UriSyntaxFlags.AllowIriParsing)) ||
(syntax == null)));
}