/*
 *  Copyright (C) 2002, 2003 David Faure   <faure@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 version 2 as published by the Free Software Foundation;
 *
 *  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 "kurifilter.h"

#include <config.h>
#include <iostream>
#include <stdlib.h>

#include <kaboutdata.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kcmdlineargs.h>
#include <kstandarddirs.h>
#include <ksimpleconfig.h>

#include <tqdir.h>
#include <tqregexp.h>
#include <kio/netaccess.h>

static const char * const s_uritypes[] = { "NET_PROTOCOL", "LOCAL_FILE", "LOCAL_DIR", "EXECUTABLE", "HELP", "SHELL", "BLOCKED", "ERROR", "UNKNOWN" };
#define NO_FILTERING -2

void filter( const char* u, const char * expectedResult = 0, int expectedUriType = -1, TQStringList list = TQStringList(), const char * abs_path = 0, bool checkForExecutables = true )
{
    TQString a = TQString::fromUtf8( u );
    KURIFilterData * m_filterData = new KURIFilterData;
    m_filterData->setData( a );
    m_filterData->setCheckForExecutables( checkForExecutables );

    if( abs_path )
    {
        m_filterData->setAbsolutePath( TQString::tqfromLatin1( abs_path ) );
        kdDebug() << "Filtering: " << a << " with abs_path=" << abs_path << endl;
    }
    else
        kdDebug() << "Filtering: " << a << endl;

    if (KURIFilter::self()->filterURI(*m_filterData, list))
    {
        // Copied from minicli...
        TQString cmd;
        KURL uri = m_filterData->uri();

        if ( uri.isLocalFile() && !uri.hasRef() && uri.query().isEmpty() )
            cmd = uri.path();
        else
            cmd = uri.url();

        switch( m_filterData->uriType() )
        {
            case KURIFilterData::LOCAL_FILE:
            case KURIFilterData::LOCAL_DIR:
            case KURIFilterData::HELP:
                kdDebug() << "*** Result: Local Resource =>  '"
                          << m_filterData->uri().url() << "'" << endl;
                break;
            case KURIFilterData::NET_PROTOCOL:
                kdDebug() << "*** Result: Network Resource => '"
                          << m_filterData->uri().url() << "'" << endl;
                break;
            case KURIFilterData::SHELL:
            case KURIFilterData::EXECUTABLE:
                if( m_filterData->hasArgsAndOptions() )
                    cmd += m_filterData->argsAndOptions();
                kdDebug() << "*** Result: Executable/Shell => '" << cmd << "'"<< endl;
                break;
            case KURIFilterData::ERROR:
                kdDebug() << "*** Result: Encountered error. See reason below." << endl;
                break;
            default:
                kdDebug() << "*** Result: Unknown or invalid resource." << endl;
        }

        if ( expectedUriType != -1 && expectedUriType != m_filterData->uriType() )
        {
            kdError() << " Got URI type " << s_uritypes[m_filterData->uriType()]
                      << " expected " << s_uritypes[expectedUriType] << endl;
            ::exit(1);
        }

        if ( expectedResult )
        {
            // Hack for other locales than english, normalize google hosts to google.com
            cmd = cmd.tqreplace( TQRegExp( "www\\.google\\.[^/]*/" ), "www.google.com/" );
            if ( cmd != TQString::tqfromLatin1( expectedResult ) )
            {
                kdError() << " Got " << cmd << " expected " << expectedResult << endl;
                ::exit(1);
            }
        }
    }
    else
    {
        if ( expectedUriType == NO_FILTERING )
            kdDebug() << "*** No filtering required." << endl;
        else
        {
            kdDebug() << "*** Could not be filtered." << endl;
            if( expectedUriType != m_filterData->uriType() )
            {
                kdError() << " Got URI type " << s_uritypes[m_filterData->uriType()]
                          << " expected " << s_uritypes[expectedUriType] << endl;
                ::exit(1);
            }
        }
    }

    delete m_filterData;
    kdDebug() << "-----" << endl;
}

void testLocalFile( const TQString& filename )
{
    TQFile tmpFile( filename ); // Yeah, I know, security risk blah blah. This is a test prog!

    if ( tmpFile.open( IO_ReadWrite ) )
    {
        TQCString fname = TQFile::encodeName( tmpFile.name() );
        filter(fname, fname, KURIFilterData::LOCAL_FILE);
        tmpFile.close();
        tmpFile.remove();
    }
    else
        kdDebug() << "Couldn't create " << tmpFile.name() << ", skipping test" << endl;
}

static const char appName[] = "kurifiltertest";
static const char programName[] = I18N_NOOP("kurifiltertest");
static const char description[] = I18N_NOOP("Unit test for the URI filter plugin framework.");
static const char version[] = "1.5";

static const KCmdLineOptions options[] =
{
   { "s", I18N_NOOP("Use space as keyword delimeter for web shortcuts"), 0},
   KCmdLineLastOption
};

int main(int argc, char **argv)
{
    // Ensure that user configuration doesn't change the results of those tests
    // KDEHOME needs to be writable though, for a ksycoca database
    setenv( "KDEHOME", TQFile::encodeName( TQDir::homeDirPath() + "/.kde-kurifiltertest" ), true );
    setenv( "KDE_FORK_SLAVES", "yes", true ); // simpler, for the final cleanup

    KAboutData aboutData(appName, programName, version, description);
    KCmdLineArgs::init(argc, argv, &aboutData);
    KCmdLineArgs::addCmdLineOptions( options );

    KApplication app;
    app.disableAutoDcopRegistration();

    // Allow testing of the search engine using both delimiters...
    char delimiter = KCmdLineArgs::parsedArgs()->isSet("s") ? ' ' : ':';

    // Many tests check the "default search engine" feature.
    // There is no default search engine by default (since it was annoying when making typos),
    // so the user has to set it up, which we do here.
    {
      KSimpleConfig cfg( "kuriikwsfilterrc" );
      cfg.setGroup( "General" );
      cfg.writeEntry( "DefaultSearchEngine", "google" );
      cfg.writeEntry( "Verbose", true );
      cfg.writeEntry( "KeywordDelimiter", delimiter );
      cfg.sync();
    }

    // Enable verbosity for debugging
    {
      KSimpleConfig cfg( "kshorturifilterrc" );
      cfg.writeEntry( "Verbose", true );
      cfg.sync();
    }

    TQStringList minicliFilters;
    minicliFilters << "kshorturifilter" << "kurisearchfilter" << "localdomainurifilter";

    // URI that should require no filtering
    filter( "http://www.kde.org", "http://www.kde.org", KURIFilterData::NET_PROTOCOL );
    filter( "http://www.kde.org/developer//index.html", "http://www.kde.org/developer//index.html", KURIFilterData::NET_PROTOCOL );
        // URL with reference
    filter( "http://www.kde.org/index.html#q8", "http://www.kde.org/index.html#q8", KURIFilterData::NET_PROTOCOL );
        // local file with reference
    filter( "file:/etc/passwd#q8", "file:///etc/passwd#q8", KURIFilterData::LOCAL_FILE );
    filter( "file:///etc/passwd#q8", "file:///etc/passwd#q8", KURIFilterData::LOCAL_FILE );
    filter( "/etc/passwd#q8", "file:///etc/passwd#q8", KURIFilterData::LOCAL_FILE );
        // local file with query (can be used by javascript)
    filter( "file:/etc/passwd?foo=bar", "file:///etc/passwd?foo=bar", KURIFilterData::LOCAL_FILE );
    testLocalFile( "/tmp/kurifiltertest?foo" ); // local file with ? in the name (#58990)
    testLocalFile( "/tmp/kurlfiltertest#foo" ); // local file with '#' in the name
    testLocalFile( "/tmp/kurlfiltertest#foo?bar" ); // local file with both
    testLocalFile( "/tmp/kurlfiltertest?foo#bar" ); // local file with both, the other way round

    // hostnames are lowercased by KURL
    filter( "http://www.myDomain.commyPort/ViewObjectRes//Default:name=hello",
            "http://www.mydomain.commyport/ViewObjectRes//Default:name=hello", KURIFilterData::NET_PROTOCOL);
    filter( "ftp://ftp.kde.org", "ftp://ftp.kde.org", KURIFilterData::NET_PROTOCOL );
    filter( "ftp://username@ftp.kde.org:500", "ftp://username@ftp.kde.org:500", KURIFilterData::NET_PROTOCOL );

    // ShortURI/LocalDomain filter tests. NOTE: any of these tests can fail
    // if you have specified your own patterns in kshorturifilterrc. For
    // examples, see $KDEDIR/share/config/kshorturifilterrc .
    filter( "linuxtoday.com", "http://linuxtoday.com", KURIFilterData::NET_PROTOCOL );
    filter( "LINUXTODAY.COM", "http://linuxtoday.com", KURIFilterData::NET_PROTOCOL );
    filter( "kde.org", "http://kde.org", KURIFilterData::NET_PROTOCOL );
    filter( "ftp.kde.org", "ftp://ftp.kde.org", KURIFilterData::NET_PROTOCOL );
    filter( "ftp.kde.org:21", "ftp://ftp.kde.org:21", KURIFilterData::NET_PROTOCOL );
    filter( "cr.yp.to", "http://cr.yp.to", KURIFilterData::NET_PROTOCOL );
    filter( "user@192.168.1.0:3128", "http://user@192.168.1.0:3128", KURIFilterData::NET_PROTOCOL );
    filter( "127.0.0.1", "http://127.0.0.1", KURIFilterData::NET_PROTOCOL );
    filter( "127.0.0.1:3128", "http://127.0.0.1:3128", KURIFilterData::NET_PROTOCOL );
    filter( "foo@bar.com", "mailto:foo@bar.com", KURIFilterData::NET_PROTOCOL );
    filter( "firstname.lastname@x.foo.bar", "mailto:firstname.lastname@x.foo.bar", KURIFilterData::NET_PROTOCOL );
    filter( "www.123.foo", "http://www.123.foo", KURIFilterData::NET_PROTOCOL );
    filter( "user@www.123.foo:3128", "http://user@www.123.foo:3128", KURIFilterData::NET_PROTOCOL );

    // Exotic IPv4 address formats...
    filter( "127.1", "http://127.1", KURIFilterData::NET_PROTOCOL );
    filter( "127.0.1", "http://127.0.1", KURIFilterData::NET_PROTOCOL );

    // Local domain filter - If you uncomment these test, make sure you
    // you adjust it based on the localhost entry in your /etc/hosts file.
    // filter( "localhost:3128", "http://localhost.localdomain:3128", KURIFilterData::NET_PROTOCOL );
    // filter( "localhost", "http://localhost.localdomain", KURIFilterData::NET_PROTOCOL );
    // filter( "localhost/~blah", "http://localhost.localdomain/~blah", KURIFilterData::NET_PROTOCOL );

    filter( "/", "/", KURIFilterData::LOCAL_DIR );
    filter( "/", "/", KURIFilterData::LOCAL_DIR, "kshorturifilter" );
    filter( "~/.bashrc", TQDir::homeDirPath().local8Bit()+"/.bashrc", KURIFilterData::LOCAL_FILE, "kshorturifilter" );
    filter( "~", TQDir::homeDirPath().local8Bit(), KURIFilterData::LOCAL_DIR, "kshorturifilter", "/tmp" );
    filter( "~foobar", 0, KURIFilterData::ERROR, "kshorturifilter" );
    filter( "user@host.domain", "mailto:user@host.domain", KURIFilterData::NET_PROTOCOL ); // new in KDE-3.2

    // Windows style SMB (UNC) URL. Should be converted into the valid smb format...
    filter( "\\\\mainserver\\share\\file", "smb://mainserver/share/file" , KURIFilterData::NET_PROTOCOL );

    // Should not be filtered at all. All valid protocols of this form will be ignored.
    filter( "ftp:" , "ftp:", KURIFilterData::UNKNOWN );
    filter( "http:" , "http:", KURIFilterData::UNKNOWN );

    /*
     Automatic searching tests. NOTE: If the Default search engine is set to 'None',
     this stuff will fail as the status returned will then be KURIFilterData::UNKNOWN.
    */
    filter( "gg:", 0 , KURIFilterData::NET_PROTOCOL );
    filter( "KDE", 0 , KURIFilterData::NET_PROTOCOL );
    filter( "FTP", 0 , KURIFilterData::NET_PROTOCOL );

    // If your default search engine is set to 'Google', you can uncomment the test below.
    filter( "gg:", "http://www.google.com/search?q=gg%3A&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );
    filter( "KDE", "http://www.google.com/search?q=KDE&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );
    filter( "FTP", "http://www.google.com/search?q=FTP&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );

    // Typing 'cp' or any other valid unix command in konq's location bar should result in
    // a search using the default search engine
    // 'ls' is a bit of a special case though, due to the toplevel domain called 'ls'
    filter( "cp", "http://www.google.com/search?q=cp&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL,
            TQStringList(), 0, false /* don't check for executables, see konq_misc.cc */ );

    // Executable tests - No IKWS in minicli
    filter( "cp", "cp", KURIFilterData::EXECUTABLE, minicliFilters );
    filter( "kfmclient", "kfmclient", KURIFilterData::EXECUTABLE, minicliFilters );
    filter( "xwininfo", "xwininfo", KURIFilterData::EXECUTABLE, minicliFilters );
    filter( "KDE", "KDE", NO_FILTERING, minicliFilters );
    filter( "I/dont/exist", "I/dont/exist", NO_FILTERING, minicliFilters );
    filter( "/I/dont/exist", 0, KURIFilterData::ERROR, minicliFilters );
    filter( "/I/dont/exist#a", 0, KURIFilterData::ERROR, minicliFilters );
    filter( "kfmclient --help", "kfmclient --help", KURIFilterData::EXECUTABLE, minicliFilters ); // the args are in argsAndOptions()
    filter( "/usr/bin/gs", "/usr/bin/gs", KURIFilterData::EXECUTABLE, minicliFilters );
    filter( "/usr/bin/gs -q -option arg1", "/usr/bin/gs -q -option arg1", KURIFilterData::EXECUTABLE, minicliFilters ); // the args are in argsAndOptions()

    // ENVIRONMENT variable
    setenv( "SOMEVAR", "/somevar", 0 );
    setenv( "ETC", "/etc", 0 );

    TQCString qtdir=getenv("QTDIR");
    TQCString home = getenv("HOME");
    TQCString kdehome = getenv("KDEHOME");

    filter( "$SOMEVAR/kdelibs/kio", 0, KURIFilterData::ERROR ); // note: this dir doesn't exist...
    filter( "$ETC/passwd", "/etc/passwd", KURIFilterData::LOCAL_FILE );
    filter( "$QTDIR/doc/html/functions.html#s", TQCString("file://")+qtdir+"/doc/html/functions.html#s", KURIFilterData::LOCAL_FILE );
    filter( "http://www.kde.org/$USER", "http://www.kde.org/$USER", KURIFilterData::NET_PROTOCOL ); // no expansion

    // Assume the default (~/.kde) if
    if (kdehome.isEmpty())
    {
      kdehome += "$HOME/.kde";
      setenv("KDEHOME", kdehome.data(), 0);
    }

    filter( "$KDEHOME/share", kdehome+"/share", KURIFilterData::LOCAL_DIR );
    KStandardDirs::makeDir( kdehome+"/a+plus" );
    filter( "$KDEHOME/a+plus", kdehome+"/a+plus", KURIFilterData::LOCAL_DIR );

    // BR 27788
    KStandardDirs::makeDir( kdehome+"/share/Dir With Space" );
    filter( "$KDEHOME/share/Dir With Space", kdehome+"/share/Dir With Space", KURIFilterData::LOCAL_DIR );

    // support for name filters (BR 93825)
    filter( "$KDEHOME/*.txt", kdehome+"/*.txt", KURIFilterData::LOCAL_DIR );
    filter( "$KDEHOME/[a-b]*.txt", kdehome+"/[a-b]*.txt", KURIFilterData::LOCAL_DIR );
    filter( "$KDEHOME/a?c.txt", kdehome+"/a?c.txt", KURIFilterData::LOCAL_DIR );
    filter( "$KDEHOME/?c.txt", kdehome+"/?c.txt", KURIFilterData::LOCAL_DIR );
    // but let's check that a directory with * in the name still works
    KStandardDirs::makeDir( kdehome+"/share/Dir*With*Stars" );
    filter( "$KDEHOME/share/Dir*With*Stars", kdehome+"/share/Dir*With*Stars", KURIFilterData::LOCAL_DIR );
    KStandardDirs::makeDir( kdehome+"/share/Dir?QuestionMark" );
    filter( "$KDEHOME/share/Dir?QuestionMark", kdehome+"/share/Dir?QuestionMark", KURIFilterData::LOCAL_DIR );
    KStandardDirs::makeDir( kdehome+"/share/Dir[Bracket" );
    filter( "$KDEHOME/share/Dir[Bracket", kdehome+"/share/Dir[Bracket", KURIFilterData::LOCAL_DIR );

    filter( "$HOME/$KDEDIR/kdebase/kcontrol/ebrowsing", 0, KURIFilterData::ERROR );
    filter( "$1/$2/$3", "http://www.google.com/search?q=$1/$2/$3&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );  // can be used as bogus or valid test. Currently triggers default search, i.e. google
    filter( "$$$$", "http://www.google.com/search?q=$$$$&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL ); // worst case scenarios.

    // Replaced the match testing with a 0 since
    // the shortURI filter will return the string
    // itself if the requested environment variable
    // is not already set.
    filter( "$QTDIR", 0, KURIFilterData::LOCAL_DIR, "kshorturifilter" ); //use specific filter.
    filter( "$HOME", home, KURIFilterData::LOCAL_DIR, "kshorturifilter" ); //use specific filter.


    TQCString sc;
    filter( sc.sprintf("gg%cfoo bar",delimiter), "http://www.google.com/search?q=foo+bar&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );
    filter( sc.sprintf("bug%c55798", delimiter), "http://bugs.kde.org/show_bug.cgi?id=55798", KURIFilterData::NET_PROTOCOL );

    filter( sc.sprintf("gg%cC++", delimiter), "http://www.google.com/search?q=C%2B%2B&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );
    filter( sc.sprintf("ya%cfoo bar was here", delimiter), 0, -1 ); // this triggers default search, i.e. google
    filter( sc.sprintf("gg%cwww.kde.org", delimiter), "http://www.google.com/search?q=www.kde.org&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );
    filter( sc.sprintf("av%c+rock +sample", delimiter), "http://www.altavista.com/cgi-bin/query?pg=q&kl=XX&stype=stext&q=%2Brock+%2Bsample", KURIFilterData::NET_PROTOCOL );
    filter( sc.sprintf("gg%cé", delimiter) /*eaccent in utf8*/, "http://www.google.com/search?q=%C3%A9&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );
    filter( sc.sprintf("gg%cпрйвет", delimiter) /* greetings in russian utf-8*/, "http://www.google.com/search?q=%D0%BF%D1%80%D0%B9%D0%B2%D0%B5%D1%82&ie=UTF-8&oe=UTF-8", KURIFilterData::NET_PROTOCOL );

    // Absolute Path tests for kshorturifilter
    filter( "./", kdehome+"/share", KURIFilterData::LOCAL_DIR, "kshorturifilter", kdehome+"/share/" ); // cleanDirPath removes the trailing slash
    filter( "../", kdehome, KURIFilterData::LOCAL_DIR, "kshorturifilter", kdehome+"/share" );
    filter( "config", kdehome+"/share/config", KURIFilterData::LOCAL_DIR, "kshorturifilter", kdehome+"/share" );

    // Clean up
    KIO::NetAccess::del( kdehome, 0 );

    kdDebug() << "All tests done. Go home..." << endl;
    return 0;
}