remove gpgme dependencies, cleanup

git-svn-id: http://cpunk.de/svn/src/gpg4usb/trunk@969 34ebc366-c3a9-4b3c-9f84-69acf7962910

1 files changed, 4 insertions, 485 deletions

diff --git a/gpgcontext.cpp b/gpgcontext.cpp
index 2d98372..259332e 100644
--- a/gpgcontext.cpp
+++ b/gpgcontext.cpp
@@ -66,31 +66,21 @@ GpgContext::GpgContext()
     QStringList args;
     args << "--homedir" << gpgKeys << "--list-keys";
 
-/*    QProcess gpg;
-    gpg.setProcessChannelMode(QProcess::MergedChannels);
-    gpg.start(gpgBin, args);
-
-    gpg.waitForFinished(-1);
-
-    qDebug() << "huhu" << gpg.readAll();
-*/
     connect(this,SIGNAL(keyDBChanged()),this,SLOT(refreshKeyList()));
     refreshKeyList();
 }
 
 /** Destructor
- *  Release gpgme-context
  */
 GpgContext::~GpgContext()
 {
-    //if (mCtx) gpgme_release(mCtx);
-    //mCtx = 0;
+
 }
 
 /** Import Key from QByteArray
  *
  */
-GpgImportInformation GpgContext::importKey(QByteArray inBuffer)
+/*GpgImportInformation GpgContext::importKey(QByteArray inBuffer)
 {
     GpgImportInformation *importInformation = new GpgImportInformation();
     err = gpgme_data_new_from_mem(&in, inBuffer.data(), inBuffer.size(), 1);
@@ -153,47 +143,7 @@ GpgImportInformation GpgContext::importKey(QByteArray inBuffer)
     emit keyDBChanged();
     gpgme_data_release(in);
     return *importInformation;
-}
-
-/** Generate New Key with values params
- *
- */
-void GpgContext::generateKey(QString *params)
-{
-    err = gpgme_op_genkey(mCtx, params->toAscii().data(), NULL, NULL);
-    checkErr(err);
-    emit keyDBChanged();
-}
-
-/** Export Key to QByteArray
- *
- */
-bool GpgContext::exportKeys(QStringList *uidList, QByteArray *outBuffer)
-{
-    size_t read_bytes;
-    gpgme_data_t out = 0;
-    outBuffer->resize(0);
-
-    if (uidList->count() == 0) {
-        QMessageBox::critical(0, "Export Keys Error", "No Keys Selected");
-        return false;
-    }
-
-    for (int i = 0; i < uidList->count(); i++) {
-        err = gpgme_data_new(&out);
-        checkErr(err);
-
-        err = gpgme_op_export(mCtx, uidList->at(i).toAscii().constData(), 0, out);
-        checkErr(err);
-
-        read_bytes = gpgme_data_seek(out, 0, SEEK_END);
-
-        err = readToBuffer(out, outBuffer);
-        checkErr(err);
-        gpgme_data_release(out);
-    }
-    return true;
-}
+}*/
 
 KgpgCore::KgpgKey GpgContext::getKeyDetails(QString uid) {
 
@@ -255,255 +205,6 @@ GpgKeyList GpgContext::listKeys()
     return keys;
 }
 
-/** Delete keys
- */
-
-void GpgContext::deleteKeys(QStringList *uidList)
-{
-    QString tmp;
-    gpgme_key_t key;
-
-    foreach(tmp,  *uidList) {
-        gpgme_op_keylist_start(mCtx, tmp.toAscii().constData(), 0);
-        gpgme_op_keylist_next(mCtx, &key);
-        gpgme_op_keylist_end(mCtx);
-        gpgme_op_delete(mCtx, key, 1);
-    }
-    emit keyDBChanged();
-}
-
-/** Encrypt inBuffer for reciepients-uids, write
- *  result to outBuffer
- */
-bool GpgContext::encrypt(QStringList *uidList, const QByteArray &inBuffer, QByteArray *outBuffer)
-{
-
-    /*gpgme_data_t in = 0, out = 0;
-    outBuffer->resize(0);
-
-    if (uidList->count() == 0) {
-        QMessageBox::critical(0, tr("No Key Selected"), tr("No Key Selected"));
-        return false;
-    }
-
-    //gpgme_encrypt_result_t e_result;
-    gpgme_key_t recipients[uidList->count()+1];
-
-    // get key for user
-    for (int i = 0; i < uidList->count(); i++) {
-        // the last 0 is for public keys, 1 would return private keys
-        gpgme_op_keylist_start(mCtx, uidList->at(i).toAscii().constData(), 0);
-        gpgme_op_keylist_next(mCtx, &recipients[i]);
-        gpgme_op_keylist_end(mCtx);
-    }
-    //Last entry in array has to be NULL
-    recipients[uidList->count()] = NULL;
-
-    //If the last parameter isnt 0, a private copy of data is made
-    if (mCtx) {
-		err = gpgme_data_new_from_mem(&in, inBuffer.data(), inBuffer.size(), 1);
-		checkErr(err);
-        if (!err) {
-			err = gpgme_data_new(&out);
-			checkErr(err);
-	        if (!err) {
-				err = gpgme_op_encrypt(mCtx, recipients, GPGME_ENCRYPT_ALWAYS_TRUST, in, out);
-				checkErr(err);
-				if (!err) {
-					err = readToBuffer(out, outBuffer);
-					checkErr(err);
-				}
-			}
-		}
-	}
-    // unref all keys
-    for (int i = 0; i <= uidList->count(); i++) {
-        gpgme_key_unref(recipients[i]);
-    }
-    if (in) {
-        gpgme_data_release(in);
-    }
-    if (out) {
-        gpgme_data_release(out);
-    }
-    return (err == GPG_ERR_NO_ERROR);*/
-    QStringList options;
-    KGpgEncrypt::EncryptOptions opts = KGpgEncrypt::DefaultEncryption;
-
-    //KGpgEncrypt *encr = new KGpgEncrypt(this, uidList, toPlainText(), opts, options);
-    //encr->start();
-    //connect(encr, SIGNAL(done(int)), SLOT(slotEncodeUpdate(int)));
-}
-
-
-
-/** Decrypt QByteAarray, return QByteArray
- *  mainly from http://basket.kde.org/ (kgpgme.cpp)
- */
-bool GpgContext::decrypt(const QByteArray &inBuffer, QByteArray *outBuffer)
-{
-    gpgme_data_t in = 0, out = 0;
-    gpgme_decrypt_result_t result = 0;
-    QString errorString;
-
-    outBuffer->resize(0);
-    if (mCtx) {
-        err = gpgme_data_new_from_mem(&in, inBuffer.data(), inBuffer.size(), 1);
-        checkErr(err);
-        if (!err) {
-            err = gpgme_data_new(&out);
-            checkErr(err);
-            if (!err) {
-                err = gpgme_op_decrypt(mCtx, in, out);
-                checkErr(err);
-
-                if(gpg_err_code(err) == GPG_ERR_DECRYPT_FAILED) {
-                    errorString.append(gpgErrString(err)).append("<br>");
-                    result = gpgme_op_decrypt_result(mCtx);
-                    checkErr(result->recipients->status);
-                    errorString.append(gpgErrString(result->recipients->status)).append("<br>");
-                    errorString.append(tr("<br>No private key with id %1 present in keyring").arg(result->recipients->keyid));
-                } else {
-                    errorString.append(gpgErrString(err)).append("<br>");
-                }
-
-                if (!err) {
-                    result = gpgme_op_decrypt_result(mCtx);
-                    if (result->unsupported_algorithm) {
-                        QMessageBox::critical(0, tr("Unsupported algorithm"), result->unsupported_algorithm);
-                    } else {
-                        err = readToBuffer(out, outBuffer);
-                        checkErr(err);
-                    }
-                }
-            }
-        }
-    }
-    if (gpg_err_code(err) != GPG_ERR_NO_ERROR && gpg_err_code(err) != GPG_ERR_CANCELED) {
-        QMessageBox::critical(0, tr("Error decrypting:"), errorString);
-        return false;
-    }
-
-    if (! settings.value("general/rememberPassword").toBool()) {
-        clearPasswordCache();
-    }
-
-    if (in) {
-        gpgme_data_release(in);
-    }
-    if (out) {
-        gpgme_data_release(out);
-    }
-    return (err == GPG_ERR_NO_ERROR);
-}
-
-/**  Read gpgme-Data to QByteArray
- *   mainly from http://basket.kde.org/ (kgpgme.cpp)
- */
-#define BUF_SIZE (32 * 1024)
-gpgme_error_t GpgContext::readToBuffer(gpgme_data_t in, QByteArray *outBuffer)
-{
-    int ret;
-    gpgme_error_t err = GPG_ERR_NO_ERROR;
-
-    ret = gpgme_data_seek(in, 0, SEEK_SET);
-    if (ret) {
-        err = gpgme_err_code_from_errno(errno);
-        checkErr(err, "failed dataseek in readToBuffer");
-    } else {
-        char *buf = new char[BUF_SIZE + 2];
-
-        if (buf) {
-            while ((ret = gpgme_data_read(in, buf, BUF_SIZE)) > 0) {
-                uint size = outBuffer->size();
-                outBuffer->resize(size + ret);
-                memcpy(outBuffer->data() + size, buf, ret);
-            }
-            if (ret < 0) {
-                err = gpgme_err_code_from_errno(errno);
-                checkErr(err, "failed data_read in readToBuffer");
-            }
-            delete[] buf;
-        }
-    }
-    return err;
-}
-
-/** The Passphrase window, if not provided by env-Var GPG_AGENT_INFO
- *  originally copied from http://basket.kde.org/ (kgpgme.cpp), but modified
- */
-gpgme_error_t GpgContext::passphraseCb(void *hook, const char *uid_hint,
-                                    const char *passphrase_info,
-                                    int last_was_bad, int fd)
-{
-    GpgContext *gpg = static_cast<GpgContext*>(hook);
-    return gpg->passphrase(uid_hint, passphrase_info, last_was_bad, fd);
-}
-
-gpgme_error_t GpgContext::passphrase(const char *uid_hint,
-                                  const char * /*passphrase_info*/,
-                                  int last_was_bad, int fd)
-{
-    gpgme_error_t returnValue = GPG_ERR_CANCELED;
-    QString passwordDialogMessage;
-    QString gpgHint = QString::fromUtf8(uid_hint);
-    bool result;
-#ifdef _WIN32
-	DWORD written;
-	HANDLE hd = (HANDLE)fd;
-#endif
-
-    if (last_was_bad) {
-        passwordDialogMessage += "<i>"+tr("Wrong password")+".</i><br><br>\n\n";
-        clearPasswordCache();
-    }
-
-    /** if uid provided */
-    if (!gpgHint.isEmpty()) {
-        // remove UID, leave only username & email
-        gpgHint.remove(0, gpgHint.indexOf(" "));
-        passwordDialogMessage += "<b>"+tr("Enter Password for")+"</b><br>" + gpgHint + "<br>";
-    }
-
-    if (mPasswordCache.isEmpty()) {
-        QString password = QInputDialog::getText(QApplication::activeWindow(), tr("Enter Password"),
-                           passwordDialogMessage, QLineEdit::Password,
-                           "", &result);
-
-        if (result) mPasswordCache = password.toAscii();
-    } else {
-        result = true;
-    }
-
-    if (result) {
-
-#ifndef _WIN32
-        if (write(fd, mPasswordCache.data(), mPasswordCache.length()) == -1) {
-            qDebug() << "something is terribly broken";
-        }
-#else
-        WriteFile(hd, mPasswordCache.data(), mPasswordCache.length(), &written, 0);
-#endif
-
-        returnValue = GPG_ERR_NO_ERROR;
-    }
-
-#ifndef _WIN32
-    if (write(fd, "\n", 1) == -1) {
-        qDebug() << "something is terribly broken";
-    }
-#else
-    WriteFile(hd, "\n", 1, &written, 0);
-    
-    /* program will hang on cancel if hd not closed */
-    if(!result) {
-			CloseHandle(hd);
-	}
-#endif
-
-    return returnValue;
-}
-
 /** also from kgpgme.cpp, seems to clear password from mem */
 void GpgContext::clearPasswordCache()
 {
@@ -513,186 +214,6 @@ void GpgContext::clearPasswordCache()
     }
 }
 
-// error-handling
-int GpgContext::checkErr(gpgme_error_t err, QString comment) const
-{
-    //if (err != GPG_ERR_NO_ERROR && err != GPG_ERR_CANCELED) {
-    if (err != GPG_ERR_NO_ERROR) {
-        qDebug() << "[Error " << comment << "] Source: " << gpgme_strsource(err) << " String: " << gpgErrString(err);
-    }
-    return err;
-}
-
-int GpgContext::checkErr(gpgme_error_t err) const
-{
-    //if (err != GPG_ERR_NO_ERROR && err != GPG_ERR_CANCELED) {
-    if (err != GPG_ERR_NO_ERROR) {
-        qDebug() << "[Error] Source: " << gpgme_strsource(err) << " String: " << gpgErrString(err);
-    }
-    return err;
-}
-
-QString GpgContext::gpgErrString(gpgme_error_t err) {
-    return QString::fromUtf8(gpgme_strerror(err));
-}
-
-/** export private key, TODO errohandling, e.g. like in seahorse (seahorse-gpg-op.c) **/
-
-void GpgContext::exportSecretKey(QString uid, QByteArray *outBuffer)
-{
-    // export private key to outBuffer
-    QStringList arguments;
-    arguments << "--armor" << "--export-secret-key" << uid;
-    QByteArray *err = new QByteArray();
-    executeGpgCommand(arguments, outBuffer, err);
-
-    // append public key to outBuffer
-    QByteArray *pubKey = new QByteArray();
-    QStringList keyList;
-    keyList.append(uid);
-    exportKeys(&keyList,pubKey);
-    outBuffer->append(*pubKey);
-}
-
-/** return type should be gpgme_error_t*/
-void GpgContext::executeGpgCommand(QStringList arguments, QByteArray *stdOut, QByteArray *stdErr)
-{
-    gpgme_engine_info_t engine = gpgme_ctx_get_engine_info(mCtx);
-
-    QStringList args;
-    args << "--homedir" << engine->home_dir << "--batch" << arguments;
-
-    QProcess gpg;
-    gpg.start(engine->file_name, args);
-    gpg.waitForFinished();
-
-    *stdOut = gpg.readAllStandardOutput();
-    *stdErr = gpg.readAllStandardError();
-}
-
-/***
-  * TODO: return type should contain:
-  * -> list of sigs
-  * -> valid
-  * -> errors
-  */
-gpgme_signature_t GpgContext::verify(QByteArray inBuffer) {
-
-    int error=0;
-    gpgme_data_t in;
-    gpgme_error_t err;
-    gpgme_signature_t sign;
-    gpgme_verify_result_t result;
-
-    err = gpgme_data_new_from_mem(&in, inBuffer.data(), inBuffer.size(), 1);
-    checkErr(err);
-
-    err = gpgme_op_verify (mCtx, in, NULL, in);
-    error = checkErr(err);
-
-    if (error != 0) {
-        return NULL;
-    }
-
-    result = gpgme_op_verify_result (mCtx);
-    sign = result->signatures;
-    return sign;
-}
-
-/***
-  * return type should contain:
-  * -> list of sigs
-  * -> valid
-  * -> decrypted message
-  */
-//void GpgContext::decryptVerify(QByteArray in) {
-
-/*    gpgme_error_t err;
-    gpgme_data_t in, out;
-
-    gpgme_decrypt_result_t decrypt_result;
-    gpgme_verify_result_t verify_result;
-
-    err = gpgme_op_decrypt_verify (mCtx, in, out);
-    decrypt_result = gpgme_op_decrypt_result (mCtx);
-
-    verify_result = gpgme_op_verify_result (mCtx);
- */
-//}
-
-bool GpgContext::sign(QStringList *uidList, const QByteArray &inBuffer, QByteArray *outBuffer ) {
-
-    gpgme_error_t err;
-    gpgme_data_t in, out;
-    gpgme_sign_result_t result;
-
-    if (uidList->count() == 0) {
-        QMessageBox::critical(0, tr("Key Selection"), tr("No Private Key Selected"));
-        return false;
-    }
-
-    // at start or end?
-    gpgme_signers_clear(mCtx);
-
-    //gpgme_encrypt_result_t e_result;
-    gpgme_key_t signers[uidList->count()+1];
-
-
-    // TODO: do we really need array? adding one key in loop should be ok
-    for (int i = 0; i < uidList->count(); i++) {
-        // the last 0 is for public keys, 1 would return private keys
-        gpgme_op_keylist_start(mCtx, uidList->at(i).toAscii().constData(), 0);
-        gpgme_op_keylist_next(mCtx, &signers[i]);
-        gpgme_op_keylist_end(mCtx);
-
-        err = gpgme_signers_add (mCtx, signers[i]);
-        checkErr(err);
-    }
-
-     err = gpgme_data_new_from_mem(&in, inBuffer.data(), inBuffer.size(), 1);
-     checkErr(err);
-     err = gpgme_data_new (&out);
-     checkErr(err);
-
-     /*
-         `GPGME_SIG_MODE_NORMAL'
-               A normal signature is made, the output includes the plaintext
-               and the signature.
-
-         `GPGME_SIG_MODE_DETACH'
-               A detached signature is made.
-
-         `GPGME_SIG_MODE_CLEAR'
-               A clear text signature is made.  The ASCII armor and text
-               mode settings of the context are ignored.
-     */
-
-     err = gpgme_op_sign (mCtx, in, out, GPGME_SIG_MODE_CLEAR);
-     checkErr (err);
-
-     if (err == GPG_ERR_CANCELED) {
-         return false;
-     }
-
-     if (err != GPG_ERR_NO_ERROR) {
-         QMessageBox::critical(0, tr("Error signing:"), QString::fromUtf8(gpgme_strerror(err)));
-         return false;
-     }
-
-     result = gpgme_op_sign_result (mCtx);
-     err = readToBuffer(out, outBuffer);
-     checkErr (err);
-
-     gpgme_data_release(in);
-     gpgme_data_release(out);
-
-     if (! settings.value("general/rememberPassword").toBool()) {
-         clearPasswordCache();
-     }
-
-     return (err == GPG_ERR_NO_ERROR);
-}
-
 /*
  * if there is no '\n' before the PGP-Begin-Block, but for example a whitespace,
  * GPGME doesn't recognise the Message as encrypted. This function adds '\n'
@@ -769,9 +290,7 @@ GpgKey GpgContext::getKeyById(QString id) {
     return GpgKey();
 }
 
-QString GpgContext::getGpgmeVersion() {
-     return QString(gpgme_check_version(NULL));
-}
+
 
 void GpgContext::emitKeyDBChanged() {
     emit keyDBChanged();