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/*
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data.cpp - wraps a gpgme data object
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Copyright (C) 2003 Klarälvdalens Datakonsult AB
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This file is part of GPGME++.
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GPGME++ is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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GPGME++ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with GPGME++; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "data_p.h"
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#include "context_p.h"
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#include <error.h>
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#include <interfaces/dataprovider.h>
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#include <gpgme.h>
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#ifndef NDEBUG
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#include <iostream>
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#endif
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GpgME::Data::Private::~Private()
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{
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if (data) {
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gpgme_data_release(data);
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}
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}
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const GpgME::Data::Null GpgME::Data::null;
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GpgME::Data::Data()
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new(&data);
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d.reset(new Private(e ? nullptr : data));
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}
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GpgME::Data::Data(const Null &)
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: d(new Private(nullptr))
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{
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}
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GpgME::Data::Data(gpgme_data_t data)
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: d(new Private(data))
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{
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}
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GpgME::Data::Data(const char *buffer, size_t size, bool copy)
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new_from_mem(&data, buffer, size, int(copy));
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std::string sizestr = std::to_string(size);
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// Ignore errors as this is optional
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gpgme_data_set_flag(data, "size-hint", sizestr.c_str());
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d.reset(new Private(e ? nullptr : data));
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}
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GpgME::Data::Data(const char *filename)
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new(&data);
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d.reset(new Private(e ? nullptr : data));
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if (!e) {
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setFileName(filename);
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}
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}
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GpgME::Data::Data(const char *filename, off_t offset, size_t length)
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new_from_filepart(&data, filename, nullptr, offset, length);
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d.reset(new Private(e ? nullptr : data));
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}
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GpgME::Data::Data(FILE *fp)
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new_from_stream(&data, fp);
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d.reset(new Private(e ? nullptr : data));
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}
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GpgME::Data::Data(FILE *fp, off_t offset, size_t length)
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new_from_filepart(&data, nullptr, fp, offset, length);
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d.reset(new Private(e ? nullptr : data));
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}
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GpgME::Data::Data(int fd)
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{
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gpgme_data_t data;
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const gpgme_error_t e = gpgme_data_new_from_fd(&data, fd);
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d.reset(new Private(e ? nullptr : data));
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}
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GpgME::Data::Data(DataProvider *dp)
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{
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d.reset(new Private);
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if (!dp) {
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return;
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}
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if (!dp->isSupported(DataProvider::Read)) {
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d->cbs.read = nullptr;
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}
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if (!dp->isSupported(DataProvider::Write)) {
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d->cbs.write = nullptr;
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}
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if (!dp->isSupported(DataProvider::Seek)) {
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d->cbs.seek = nullptr;
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}
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if (!dp->isSupported(DataProvider::Release)) {
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d->cbs.release = nullptr;
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}
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const gpgme_error_t e = gpgme_data_new_from_cbs(&d->data, &d->cbs, dp);
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if (e) {
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d->data = nullptr;
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}
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if (dp->isSupported(DataProvider::Seek)) {
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off_t size = seek(0, SEEK_END);
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seek(0, SEEK_SET);
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std::string sizestr = std::to_string(size);
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// Ignore errors as this is optional
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gpgme_data_set_flag(d->data, "size-hint", sizestr.c_str());
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}
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#ifndef NDEBUG
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//std::cerr << "GpgME::Data(): DataProvider supports: "
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// << ( d->cbs.read ? "read" : "no read" ) << ", "
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// << ( d->cbs.write ? "write" : "no write" ) << ", "
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// << ( d->cbs.seek ? "seek" : "no seek" ) << ", "
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// << ( d->cbs.release ? "release" : "no release" ) << std::endl;
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#endif
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}
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bool GpgME::Data::isNull() const
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{
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return !d || !d->data;
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}
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GpgME::Data::Encoding GpgME::Data::encoding() const
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{
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switch (gpgme_data_get_encoding(d->data)) {
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case GPGME_DATA_ENCODING_NONE: return AutoEncoding;
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case GPGME_DATA_ENCODING_BINARY: return BinaryEncoding;
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case GPGME_DATA_ENCODING_BASE64: return Base64Encoding;
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case GPGME_DATA_ENCODING_ARMOR: return ArmorEncoding;
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case GPGME_DATA_ENCODING_MIME: return MimeEncoding;
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case GPGME_DATA_ENCODING_URL: return UrlEncoding;
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case GPGME_DATA_ENCODING_URLESC: return UrlEscEncoding;
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case GPGME_DATA_ENCODING_URL0: return Url0Encoding;
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}
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return AutoEncoding;
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}
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GpgME::Error GpgME::Data::setEncoding(Encoding enc)
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{
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gpgme_data_encoding_t ge = GPGME_DATA_ENCODING_NONE;
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switch (enc) {
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case AutoEncoding: ge = GPGME_DATA_ENCODING_NONE; break;
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case BinaryEncoding: ge = GPGME_DATA_ENCODING_BINARY; break;
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case Base64Encoding: ge = GPGME_DATA_ENCODING_BASE64; break;
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case ArmorEncoding: ge = GPGME_DATA_ENCODING_ARMOR; break;
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case MimeEncoding: ge = GPGME_DATA_ENCODING_MIME; break;
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case UrlEncoding: ge = GPGME_DATA_ENCODING_URL; break;
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case UrlEscEncoding: ge = GPGME_DATA_ENCODING_URLESC; break;
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case Url0Encoding: ge = GPGME_DATA_ENCODING_URL0; break;
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}
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return Error(gpgme_data_set_encoding(d->data, ge));
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}
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GpgME::Data::Type GpgME::Data::type() const
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{
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if (isNull()) {
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return Invalid;
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}
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switch (gpgme_data_identify(d->data, 0)) {
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case GPGME_DATA_TYPE_INVALID: return Invalid;
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case GPGME_DATA_TYPE_UNKNOWN: return Unknown;
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case GPGME_DATA_TYPE_PGP_SIGNED: return PGPSigned;
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case GPGME_DATA_TYPE_PGP_OTHER: return PGPOther;
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case GPGME_DATA_TYPE_PGP_KEY: return PGPKey;
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case GPGME_DATA_TYPE_CMS_SIGNED: return CMSSigned;
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case GPGME_DATA_TYPE_CMS_ENCRYPTED: return CMSEncrypted;
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case GPGME_DATA_TYPE_CMS_OTHER: return CMSOther;
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case GPGME_DATA_TYPE_X509_CERT: return X509Cert;
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case GPGME_DATA_TYPE_PKCS12: return PKCS12;
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case GPGME_DATA_TYPE_PGP_ENCRYPTED: return PGPEncrypted;
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case GPGME_DATA_TYPE_PGP_SIGNATURE: return PGPSignature;
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}
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return Invalid;
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}
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char *GpgME::Data::fileName() const
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{
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return gpgme_data_get_file_name(d->data);
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}
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GpgME::Error GpgME::Data::setFileName(const char *name)
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{
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return Error(gpgme_data_set_file_name(d->data, name));
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}
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ssize_t GpgME::Data::read(void *buffer, size_t length)
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{
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return gpgme_data_read(d->data, buffer, length);
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}
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ssize_t GpgME::Data::write(const void *buffer, size_t length)
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{
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return gpgme_data_write(d->data, buffer, length);
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}
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off_t GpgME::Data::seek(off_t offset, int whence)
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{
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return gpgme_data_seek(d->data, offset, whence);
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}
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GpgME::Error GpgME::Data::rewind()
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{
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return Error(gpgme_data_rewind(d->data));
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}
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std::vector<GpgME::Key> GpgME::Data::toKeys(Protocol proto) const
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{
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std::vector<GpgME::Key> ret;
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if (isNull()) {
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return ret;
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}
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auto ctx = GpgME::Context::createForProtocol(proto);
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if (!ctx) {
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return ret;
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}
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if (gpgme_op_keylist_from_data_start (ctx->impl()->ctx, d->data, 0)) {
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014d7f |
delete ctx;
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return ret;
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}
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gpgme_key_t key;
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while (!gpgme_op_keylist_next (ctx->impl()->ctx, &key)) {
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ret.push_back(GpgME::Key(key, false));
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}
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gpgme_data_seek (d->data, 0, SEEK_SET);
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delete ctx;
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return ret;
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}
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std::string GpgME::Data::toString()
|
|
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{
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std::string ret;
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Packit Service |
30b792 |
char buf[4096];
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Packit Service |
30b792 |
size_t nread;
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Packit Service |
30b792 |
seek (0, SEEK_SET);
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Packit Service |
30b792 |
while ((nread = read (buf, 4096)) > 0)
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Packit Service |
30b792 |
{
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Packit Service |
30b792 |
ret += std::string (buf, nread);
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Packit Service |
30b792 |
}
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Packit Service |
30b792 |
seek (0, SEEK_SET);
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Packit Service |
30b792 |
return ret;
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Packit Service |
30b792 |
}
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