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Diffstat (limited to 'kopete/plugins/cryptography/kgpginterface.cpp')
| -rw-r--r-- | kopete/plugins/cryptography/kgpginterface.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/kopete/plugins/cryptography/kgpginterface.cpp b/kopete/plugins/cryptography/kgpginterface.cpp new file mode 100644 index 00000000..51b35a63 --- /dev/null +++ b/kopete/plugins/cryptography/kgpginterface.cpp @@ -0,0 +1,176 @@ +#include "cryptographyplugin.h" //(for the cached passphrase) +//Code from KGPG + +/*************************************************************************** + kgpginterface.cpp - description + ------------------- + begin : Mon Jul 8 2002 + copyright : (C) 2002 by y0k0 + email : bj@altern.org + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + + +#include <klocale.h> +#include <kpassdlg.h> + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <qfile.h> + +#include <kprocio.h> + +//#include "kdetailedconsole.h" + +#include "kgpginterface.h" + +KgpgInterface::KgpgInterface() +{} + +KgpgInterface::~KgpgInterface() +{} + +QString KgpgInterface::KgpgEncryptText(QString text,QString userIDs, QString Options) +{ + FILE *fp; + QString dests,encResult; + char buffer[200]; + + userIDs=userIDs.stripWhiteSpace(); + userIDs=userIDs.simplifyWhiteSpace(); + Options=Options.stripWhiteSpace(); + + int ct=userIDs.find(" "); + while (ct!=-1) // if multiple keys... + { + dests+=" --recipient "+userIDs.section(' ',0,0); + userIDs.remove(0,ct+1); + ct=userIDs.find(" "); + } + dests+=" --recipient "+userIDs; + + QCString gpgcmd = "echo -n "; + gpgcmd += KShellProcess::quote( text ).utf8(); + gpgcmd += " | gpg --no-secmem-warning --no-tty "; + gpgcmd += Options.local8Bit(); + gpgcmd += " -e "; + gpgcmd += dests.local8Bit(); + + ////////// encode with untrusted keys or armor if checked by user + fp = popen( gpgcmd, "r"); + while ( fgets( buffer, sizeof(buffer), fp)) + encResult+=buffer; + pclose(fp); + + if( !encResult.isEmpty() ) + return encResult; + else + return QString::null; +} + +QString KgpgInterface::KgpgDecryptText(QString text,QString userID) +{ + FILE *fp,*pass; + QString encResult; + + char buffer[200]; + int counter=0,ppass[2]; + QCString password = CryptographyPlugin::cachedPass(); + bool passphraseHandling=CryptographyPlugin::passphraseHandling(); + + while ((counter<3) && (encResult.isEmpty())) + { + counter++; + if(passphraseHandling && password.isNull()) + { + /// pipe for passphrase + //userID=QString::fromUtf8(userID); + userID.replace('<',"<"); + QString passdlg=i18n("Enter passphrase for <b>%1</b>:").arg(userID); + if (counter>1) + passdlg.prepend(i18n("<b>Bad passphrase</b><br> You have %1 tries left.<br>").arg(QString::number(4-counter))); + + /// pipe for passphrase + int code=KPasswordDialog::getPassword(password,passdlg); + if (code!=QDialog::Accepted) + return QString::null; + CryptographyPlugin::setCachedPass(password); + } + + if(passphraseHandling) + { + pipe(ppass); + pass = fdopen(ppass[1], "w"); + fwrite(password, sizeof(char), strlen(password), pass); + // fwrite("\n", sizeof(char), 1, pass); + fclose(pass); + } + + QCString gpgcmd="echo "; + gpgcmd += KShellProcess::quote(text).utf8(); + gpgcmd += " | gpg --no-secmem-warning --no-tty "; + if(passphraseHandling) + gpgcmd += "--passphrase-fd " + QString::number(ppass[0]).local8Bit(); + gpgcmd += " -d "; + + ////////// encode with untrusted keys or armor if checked by user + fp = popen(gpgcmd, "r"); + while ( fgets( buffer, sizeof(buffer), fp)) + encResult += QString::fromUtf8(buffer); + + pclose(fp); + password = QCString(); + } + + if( !encResult.isEmpty() ) + return encResult; + else + return QString::null; +} + +QString KgpgInterface::checkForUtf8(QString txt) +{ + + // code borrowed from gpa + const char *s; + + /* Make sure the encoding is UTF-8. + * Test structure suggested by Werner Koch */ + if (txt.isEmpty()) + return QString::null; + + for (s = txt.ascii(); *s && !(*s & 0x80); s++) + ; + if (*s && !strchr (txt.ascii(), 0xc3) && (txt.find("\\x")==-1)) + return txt; + + /* The string is not in UTF-8 */ + //if (strchr (txt.ascii(), 0xc3)) return (txt+" +++"); + if (txt.find("\\x")==-1) + return QString::fromUtf8(txt.ascii()); + // if (!strchr (txt.ascii(), 0xc3) || (txt.find("\\x")!=-1)) { + for ( int idx = 0 ; (idx = txt.find( "\\x", idx )) >= 0 ; ++idx ) { + char str[2] = "x"; + str[0] = (char) QString( txt.mid( idx + 2, 2 ) ).toShort( 0, 16 ); + txt.replace( idx, 4, str ); + } + if (!strchr (txt.ascii(), 0xc3)) + return QString::fromUtf8(txt.ascii()); + else + return QString::fromUtf8(QString::fromUtf8(txt.ascii()).ascii()); // perform Utf8 twice, or some keys display badly +} + + + + +#include "kgpginterface.moc" |