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+/*
+ Copyright (c) 2003 Malte Starostik <malte@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+
+#include <cstdlib>
+#include <vector>
+#include <algorithm>
+#include <ctime>
+#include <cstring>
+
+#include <netdb.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+
+#include <tqregexp.h>
+#include <tqstring.h>
+
+#include <kurl.h>
+#include <kjs/object.h>
+#include <kresolver.h>
+
+#include "script.h"
+
+using namespace KJS;
+
+TQString UString::qstring() const
+{
+ return TQString( reinterpret_cast< const TQChar* >( data() ), size() );
+}
+
+UString::UString( const TQString &s )
+{
+ UChar* data = new UChar[ s.length() ];
+ std::memcpy( data, s.unicode(), s.length() * sizeof( UChar ) );
+ rep = Rep::create( data, s.length() );
+}
+
+namespace
+{
+ class Address
+ {
+ public:
+ struct Error {};
+ static Address resolve( const UString& host )
+ { return Address( host.qstring(), false ); }
+ static Address parse( const UString& ip )
+ { return Address( ip.qstring(), true ); }
+
+ operator in_addr_t() const {
+ const sockaddr_in* sin = m_address;
+ return sin->sin_addr.s_addr;
+ }
+
+ operator String() const { return String( m_address.ipAddress().toString() ); }
+
+ private:
+ Address( const TQString& host, bool numeric )
+ {
+ int flags = 0;
+
+ if ( numeric )
+ flags = KNetwork::KResolver::NoResolve;
+
+ KNetwork::KResolverResults addresses =
+ KNetwork::KResolver::resolve( host, TQString::null, flags,
+ KNetwork::KResolver::IPv4Family );
+
+ if ( addresses.isEmpty() )
+ throw Error();
+
+ m_address = addresses.first().address().asInet();
+ }
+
+ KNetwork::KInetSocketAddress m_address;
+ };
+
+ struct Function : public ObjectImp
+ {
+ struct ResolveError {};
+
+ virtual bool implementsCall() const { return true; }
+
+ static int findString( const UString& s, const char* const* values )
+ {
+ int index = 0;
+ UString lower = s.toLower();
+ for ( const char* const* p = values; *p; ++p, ++index )
+ if ( lower == *p ) return index;
+ return -1;
+ }
+
+ static const tm* getTime( ExecState* exec, const List& args )
+ {
+ time_t now = std::time( 0 );
+ if ( args[ args.size() - 1 ].toString( exec ).toLower() == "gmt" )
+ return std::gmtime( &now );
+ else return std::localtime( &now );
+ }
+
+ Boolean checkRange( int value, int min, int max )
+ {
+ return ( min <= max && value >= min && value <= max ) ||
+ ( min > max && ( value <= min || value >= max ) );
+ }
+ };
+
+ // isPlainHostName( host )
+ // @returns true if @p host doesn't contains a domain part
+ struct IsPlainHostName : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 1 ) return Undefined();
+ return Boolean( args[ 0 ].toString( exec ).find( "." ) == -1 );
+ }
+ };
+
+ // dnsDomainIs( host, domain )
+ // @returns true if the domain part of @p host matches @p domain
+ struct DNSDomainIs : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 2 ) return Undefined();
+ TQString host = args[ 0 ].toString( exec ).qstring().lower();
+ TQString domain = args[ 1 ].toString( exec ).qstring().lower();
+ return Boolean( host.endsWith( domain ) );
+ }
+ };
+
+ // localHostOrDomainIs( host, fqdn )
+ // @returns true if @p host is unqualified or equals @p fqdn
+ struct LocalHostOrDomainIs : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 2 ) return Undefined();
+ UString host = args[ 0 ].toString( exec ).toLower();
+ if ( host.find( "." ) == -1 ) return Boolean( true );
+ UString fqdn = args[ 1 ].toString( exec ).toLower();
+ return Boolean( host == fqdn );
+ }
+ };
+
+ // isResolvable( host )
+ // @returns true if host can be resolved via DNS
+ struct IsResolvable : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 1 ) return Undefined();
+ try { ::Address::resolve( args[ 0 ].toString( exec ) ); }
+ catch ( const Address::Error& ) { return Boolean( false ); }
+ return Boolean( true );
+ }
+ };
+
+ // isInNet( host, subnet, mask )
+ // @returns true if @p host is within the IP subnet
+ // specified via @p subnet and @p mask
+ struct IsInNet : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 3 ) return Undefined();
+ try
+ {
+ in_addr_t host = Address::resolve( args[ 0 ].toString( exec ) );
+ in_addr_t subnet = Address::parse( args[ 1 ].toString( exec ) );
+ in_addr_t mask = Address::parse( args[ 2 ].toString( exec ) );
+ return Boolean( ( host & mask ) == ( subnet & mask ) );
+ }
+ catch ( const Address::Error& )
+ {
+ return Undefined();
+ }
+ }
+ };
+
+ // dnsResolve( host )
+ // @returns the IP address of @p host in dotted quad notation
+ struct DNSResolve : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 1 ) return Undefined();
+ try { return String(Address::resolve( args[ 0 ].toString( exec ))); }
+ catch ( const Address::Error& ) { return Undefined(); }
+ }
+ };
+
+ // myIpAddress()
+ // @returns the local machine's IP address in dotted quad notation
+ struct MyIpAddress : public Function
+ {
+ virtual Value call( ExecState*, Object&, const List& args )
+ {
+ if ( args.size() ) return Undefined();
+ char hostname[ 256 ];
+ gethostname( hostname, 255 );
+ hostname[ 255 ] = 0;
+ try { return String(Address::resolve( hostname )); }
+ catch ( const Address::Error& ) { return Undefined(); }
+ }
+ };
+
+ // dnsDomainLevels( host )
+ // @returns the number of dots ('.') in @p host
+ struct DNSDomainLevels : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 1 ) return Undefined();
+ UString host = args[ 0 ].toString( exec );
+ if ( host.isNull() ) return Number( 0 );
+ return Number( std::count(
+ host.data(), host.data() + host.size(), '.' ) );
+ }
+ };
+
+ // shExpMatch( str, pattern )
+ // @returns true if @p str matches the shell @p pattern
+ struct ShExpMatch : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() != 2 ) return Undefined();
+ TQRegExp pattern( args[ 1 ].toString( exec ).qstring(), true, true );
+ return Boolean( pattern.exactMatch(args[ 0 ].toString( exec ).qstring()) );
+ }
+ };
+
+ // weekdayRange( day [, "GMT" ] )
+ // weekdayRange( day1, day2 [, "GMT" ] )
+ // @returns true if the current day equals day or between day1 and day2 resp.
+ // If the last argument is "GMT", GMT timezone is used, otherwise local time
+ struct WeekdayRange : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() < 1 || args.size() > 3 ) return Undefined();
+ static const char* const days[] =
+ { "sun", "mon", "tue", "wed", "thu", "fri", "sat", 0 };
+ int d1 = findString( args[ 0 ].toString( exec ), days );
+ if ( d1 == -1 ) return Undefined();
+
+ int d2 = findString( args[ 1 ].toString( exec ), days );
+ if ( d2 == -1 ) d2 = d1;
+ return checkRange( getTime( exec, args )->tm_wday, d1, d2 );
+ }
+ };
+
+ // dateRange( day [, "GMT" ] )
+ // dateRange( day1, day2 [, "GMT" ] )
+ // dateRange( month [, "GMT" ] )
+ // dateRange( month1, month2 [, "GMT" ] )
+ // dateRange( year [, "GMT" ] )
+ // dateRange( year1, year2 [, "GMT" ] )
+ // dateRange( day1, month1, day2, month2 [, "GMT" ] )
+ // dateRange( month1, year1, month2, year2 [, "GMT" ] )
+ // dateRange( day1, month1, year1, day2, month2, year2 [, "GMT" ] )
+ // @returns true if the current date (GMT or local time according to
+ // presence of "GMT" as last argument) is within the given range
+ struct DateRange : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() < 1 || args.size() > 7 ) return Undefined();
+ static const char* const months[] =
+ { "jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "nov", "dec", 0 };
+
+ std::vector< int > values;
+ for ( int i = 0; i < args.size(); ++i )
+ {
+ int value = -1;
+ if ( args[ i ].isA( NumberType ) )
+ value = args[ i ].toInteger( exec );
+ else value = findString( args[ i ].toString( exec ), months );
+ if ( value >= 0 ) values.push_back( value );
+ else break;
+ }
+
+ const tm* now = getTime( exec, args );
+
+ // day1, month1, year1, day2, month2, year2
+ if ( values.size() == 6 )
+ return checkRange( ( now->tm_year + 1900 ) * 372 + now->tm_mon * 31 + now->tm_mday,
+ values[ 2 ] * 372 + values[ 1 ] * 31 + values[ 0 ],
+ values[ 5 ] * 372 + values[ 4 ] * 31 + values[ 3 ] );
+
+ // day1, month1, day2, month2
+ else if ( values.size() == 4 &&
+ values[ 1 ] < 12 &&
+ values[ 3 ] < 12 )
+ return checkRange( now->tm_mon * 31 + now->tm_mday,
+ values[ 1 ] * 31 + values[ 0 ],
+ values[ 3 ] * 31 + values[ 2 ] );
+
+ // month1, year1, month2, year2
+ else if ( values.size() == 4 )
+ return checkRange( ( now->tm_year + 1900 ) * 12 + now->tm_mon,
+ values[ 1 ] * 12 + values[ 0 ],
+ values[ 3 ] * 12 + values[ 2 ] );
+
+ // year1, year2
+ else if ( values.size() == 2 &&
+ values[ 0 ] >= 1000 &&
+ values[ 1 ] >= 1000 )
+ return checkRange( now->tm_year + 1900, values[ 0 ], values[ 1 ] );
+
+ // day1, day2
+ else if ( values.size() == 2 &&
+ args[ 0 ].isA( NumberType ) &&
+ args[ 1 ].isA( NumberType ) )
+ return checkRange( now->tm_mday, values[ 0 ], values[ 1 ] );
+
+ // month1, month2
+ else if ( values.size() == 2 )
+ return checkRange( now->tm_mon, values[ 0 ], values[ 1 ] );
+
+ // year
+ else if ( values.size() == 1 && values[ 0 ] >= 1000 )
+ return checkRange( now->tm_year + 1900, values[ 0 ], values[ 0 ] );
+
+ // day
+ else if ( values.size() == 1 && args[ 0 ].isA( NumberType ) )
+ return checkRange( now->tm_mday, values[ 0 ], values[ 0 ] );
+
+ // month
+ else if ( values.size() == 1 )
+ return checkRange( now->tm_mon, values[ 0 ], values[ 0 ] );
+
+ else return Undefined();
+ }
+ };
+
+ // timeRange( hour [, "GMT" ] )
+ // timeRange( hour1, hour2 [, "GMT" ] )
+ // timeRange( hour1, min1, hour2, min2 [, "GMT" ] )
+ // timeRange( hour1, min1, sec1, hour2, min2, sec2 [, "GMT" ] )
+ // @returns true if the current time (GMT or local based on presence
+ // of "GMT" argument) is within the given range
+ struct TimeRange : public Function
+ {
+ virtual Value call( ExecState* exec, Object&, const List& args )
+ {
+ if ( args.size() < 1 || args.size() > 7 ) return Undefined();
+
+ std::vector< int > values;
+ for ( int i = 0; i < args.size(); ++i )
+ if ( args[ i ].isA( NumberType ) )
+ values.push_back( args[ i ].toInteger( exec ) );
+ else break;
+
+ const tm* now = getTime( exec, args );
+
+ // hour1, min1, sec1, hour2, min2, sec2
+ if ( values.size() == 6 )
+ return checkRange( now->tm_hour * 3600 + now->tm_min * 60 + now->tm_sec,
+ values[ 0 ] * 3600 + values[ 1 ] * 60 + values[ 2 ],
+ values[ 3 ] * 3600 + values[ 4 ] * 60 + values[ 5 ] );
+
+ // hour1, min1, hour2, min2
+ else if ( values.size() == 4 )
+ return checkRange( now->tm_hour * 60 + now->tm_min,
+ values[ 0 ] * 60 + values[ 1 ],
+ values[ 2 ] * 60 + values[ 3 ] );
+
+ // hour1, hour2
+ else if ( values.size() == 2 )
+ return checkRange( now->tm_hour, values[ 0 ], values[ 1 ] );
+
+ // hour
+ else if ( values.size() == 1 )
+ return checkRange( now->tm_hour, values[ 0 ], values[ 0 ] );
+
+ else return Undefined();
+ }
+ };
+
+ void registerFunctions( ExecState* exec, Object& global )
+ {
+ global.put( exec, "isPlainHostName",
+ Object( new IsPlainHostName ) );
+ global.put( exec, "dnsDomainIs",
+ Object( new DNSDomainIs ) );
+ global.put( exec, "localHostOrDomainIs",
+ Object( new LocalHostOrDomainIs ) );
+ global.put( exec, "isResolvable",
+ Object( new IsResolvable ) );
+ global.put( exec, "isInNet",
+ Object( new IsInNet ) );
+ global.put( exec, "dnsResolve",
+ Object( new DNSResolve ) );
+ global.put( exec, "myIpAddress",
+ Object( new MyIpAddress ) );
+ global.put( exec, "dnsDomainLevels",
+ Object( new DNSDomainLevels ) );
+ global.put( exec, "shExpMatch",
+ Object( new ShExpMatch ) );
+ global.put( exec, "weekdayRange",
+ Object( new WeekdayRange ) );
+ global.put( exec, "dateRange",
+ Object( new DateRange ) );
+ global.put( exec, "timeRange",
+ Object( new TimeRange ) );
+ }
+}
+
+namespace KPAC
+{
+ Script::Script( const TQString& code )
+ {
+ ExecState* exec = m_interpreter.globalExec();
+ Object global = m_interpreter.globalObject();
+ registerFunctions( exec, global );
+
+ Completion result = m_interpreter.evaluate( code );
+ if ( result.complType() == Throw )
+ throw Error( result.value().toString( exec ).qstring() );
+ }
+
+ TQString Script::evaluate( const KURL& url )
+ {
+ ExecState *exec = m_interpreter.globalExec();
+ Value findFunc = m_interpreter.globalObject().get( exec, "FindProxyForURL" );
+ Object findObj = Object::dynamicCast( findFunc );
+ if (!findObj.isValid() || !findObj.implementsCall())
+ throw Error( "No such function FindProxyForURL" );
+
+ Object thisObj;
+ List args;
+ args.append(String(url.url()));
+ args.append(String(url.host()));
+ Value retval = findObj.call( exec, thisObj, args );
+
+ if ( exec->hadException() ) {
+ Value ex = exec->exception();
+ exec->clearException();
+ throw Error( ex.toString( exec ).qstring() );
+ }
+
+ return retval.toString( exec ).qstring();
+ }
+}
+
+// vim: ts=4 sw=4 et
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-23 23:23:21 +0000