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-rw-r--r--externals/lurlparser/LUrlParser.cpp265
1 files changed, 265 insertions, 0 deletions
diff --git a/externals/lurlparser/LUrlParser.cpp b/externals/lurlparser/LUrlParser.cpp
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+++ b/externals/lurlparser/LUrlParser.cpp
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+/*
+ * Lightweight URL & URI parser (RFC 1738, RFC 3986)
+ * https://github.com/corporateshark/LUrlParser
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2015 Sergey Kosarevsky (sk@linderdaum.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "LUrlParser.h"
+
+#include <algorithm>
+#include <cstring>
+#include <stdlib.h>
+
+// check if the scheme name is valid
+static bool IsSchemeValid( const std::string& SchemeName )
+{
+ for ( auto c : SchemeName )
+ {
+ if ( !isalpha( c ) && c != '+' && c != '-' && c != '.' ) return false;
+ }
+
+ return true;
+}
+
+bool LUrlParser::clParseURL::GetPort( int* OutPort ) const
+{
+ if ( !IsValid() ) { return false; }
+
+ int Port = atoi( m_Port.c_str() );
+
+ if ( Port <= 0 || Port > 65535 ) { return false; }
+
+ if ( OutPort ) { *OutPort = Port; }
+
+ return true;
+}
+
+// based on RFC 1738 and RFC 3986
+LUrlParser::clParseURL LUrlParser::clParseURL::ParseURL( const std::string& URL )
+{
+ LUrlParser::clParseURL Result;
+
+ const char* CurrentString = URL.c_str();
+
+ /*
+ * <scheme>:<scheme-specific-part>
+ * <scheme> := [a-z\+\-\.]+
+ * For resiliency, programs interpreting URLs should treat upper case letters as equivalent to lower case in scheme names
+ */
+
+ // try to read scheme
+ {
+ const char* LocalString = strchr( CurrentString, ':' );
+
+ if ( !LocalString )
+ {
+ return clParseURL( LUrlParserError_NoUrlCharacter );
+ }
+
+ // save the scheme name
+ Result.m_Scheme = std::string( CurrentString, LocalString - CurrentString );
+
+ if ( !IsSchemeValid( Result.m_Scheme ) )
+ {
+ return clParseURL( LUrlParserError_InvalidSchemeName );
+ }
+
+ // scheme should be lowercase
+ std::transform( Result.m_Scheme.begin(), Result.m_Scheme.end(), Result.m_Scheme.begin(), ::tolower );
+
+ // skip ':'
+ CurrentString = LocalString+1;
+ }
+
+ /*
+ * //<user>:<password>@<host>:<port>/<url-path>
+ * any ":", "@" and "/" must be normalized
+ */
+
+ // skip "//"
+ if ( *CurrentString++ != '/' ) return clParseURL( LUrlParserError_NoDoubleSlash );
+ if ( *CurrentString++ != '/' ) return clParseURL( LUrlParserError_NoDoubleSlash );
+
+ // check if the user name and password are specified
+ bool bHasUserName = false;
+
+ const char* LocalString = CurrentString;
+
+ while ( *LocalString )
+ {
+ if ( *LocalString == '@' )
+ {
+ // user name and password are specified
+ bHasUserName = true;
+ break;
+ }
+ else if ( *LocalString == '/' )
+ {
+ // end of <host>:<port> specification
+ bHasUserName = false;
+ break;
+ }
+
+ LocalString++;
+ }
+
+ // user name and password
+ LocalString = CurrentString;
+
+ if ( bHasUserName )
+ {
+ // read user name
+ while ( *LocalString && *LocalString != ':' && *LocalString != '@' ) LocalString++;
+
+ Result.m_UserName = std::string( CurrentString, LocalString - CurrentString );
+
+ // proceed with the current pointer
+ CurrentString = LocalString;
+
+ if ( *CurrentString == ':' )
+ {
+ // skip ':'
+ CurrentString++;
+
+ // read password
+ LocalString = CurrentString;
+
+ while ( *LocalString && *LocalString != '@' ) LocalString++;
+
+ Result.m_Password = std::string( CurrentString, LocalString - CurrentString );
+
+ CurrentString = LocalString;
+ }
+
+ // skip '@'
+ if ( *CurrentString != '@' )
+ {
+ return clParseURL( LUrlParserError_NoAtSign );
+ }
+
+ CurrentString++;
+ }
+
+ bool bHasBracket = ( *CurrentString == '[' );
+
+ // go ahead, read the host name
+ LocalString = CurrentString;
+
+ while ( *LocalString )
+ {
+ if ( bHasBracket && *LocalString == ']' )
+ {
+ // end of IPv6 address
+ LocalString++;
+ break;
+ }
+ else if ( !bHasBracket && ( *LocalString == ':' || *LocalString == '/' ) )
+ {
+ // port number is specified
+ break;
+ }
+
+ LocalString++;
+ }
+
+ Result.m_Host = std::string( CurrentString, LocalString - CurrentString );
+
+ CurrentString = LocalString;
+
+ // is port number specified?
+ if ( *CurrentString == ':' )
+ {
+ CurrentString++;
+
+ // read port number
+ LocalString = CurrentString;
+
+ while ( *LocalString && *LocalString != '/' ) LocalString++;
+
+ Result.m_Port = std::string( CurrentString, LocalString - CurrentString );
+
+ CurrentString = LocalString;
+ }
+
+ // end of string
+ if ( !*CurrentString )
+ {
+ Result.m_ErrorCode = LUrlParserError_Ok;
+
+ return Result;
+ }
+
+ // skip '/'
+ if ( *CurrentString != '/' )
+ {
+ return clParseURL( LUrlParserError_NoSlash );
+ }
+
+ CurrentString++;
+
+ // parse the path
+ LocalString = CurrentString;
+
+ while ( *LocalString && *LocalString != '#' && *LocalString != '?' ) LocalString++;
+
+ Result.m_Path = std::string( CurrentString, LocalString - CurrentString );
+
+ CurrentString = LocalString;
+
+ // check for query
+ if ( *CurrentString == '?' )
+ {
+ // skip '?'
+ CurrentString++;
+
+ // read query
+ LocalString = CurrentString;
+
+ while ( *LocalString && *LocalString != '#' ) LocalString++;
+
+ Result.m_Query = std::string( CurrentString, LocalString - CurrentString );
+
+ CurrentString = LocalString;
+ }
+
+ // check for fragment
+ if ( *CurrentString == '#' )
+ {
+ // skip '#'
+ CurrentString++;
+
+ // read fragment
+ LocalString = CurrentString;
+
+ while ( *LocalString ) LocalString++;
+
+ Result.m_Fragment = std::string( CurrentString, LocalString - CurrentString );
+
+ CurrentString = LocalString;
+ }
+
+ Result.m_ErrorCode = LUrlParserError_Ok;
+
+ return Result;
+}