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more cleanup, plus now keyfile associated with user directly

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This commit is contained in:
David Kelly 2017-09-12 10:55:27 -07:00
parent 61e8458d13
commit 187ed71a8a
3 changed files with 26 additions and 11 deletions
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29
interface/src/commerce/Wallet.cpp
View file

@ -18,6 +18,7 @@
#include <PathUtils.h> #include <PathUtils.h>
#include <OffscreenUi.h> #include <OffscreenUi.h>
#include <AccountManager.h>
#include <QFile> #include <QFile>
#include <QCryptographicHash> #include <QCryptographicHash>
@ -54,7 +55,8 @@ void initialize() {
} }
QString keyFilePath() { QString keyFilePath() {
return PathUtils::getAppDataFilePath(KEY_FILE); auto accountManager = DependencyManager::get<AccountManager>();
return PathUtils::getAppDataFilePath(QString("%1.%2").arg(accountManager->getAccountInfo().getUsername(), KEY_FILE));
} }
// use the cached _passphrase if it exists, otherwise we need to prompt // use the cached _passphrase if it exists, otherwise we need to prompt
@ -262,6 +264,15 @@ RSA* readPrivateKey(const char* filename) {
return key; return key;
} }
// QT's QByteArray will convert to Base64 without any embedded newlines. This just
// writes it with embedded newlines, which is more readable.
void outputBase64WithNewlines(QFile& file, const QByteArray& b64Array) {
for (int i = 0; i < b64Array.size(); i += 64) {
file.write(b64Array.mid(i, 64));
file.write("\n");
}
}
void initializeAESKeys(unsigned char* ivec, unsigned char* ckey, const QByteArray& salt) { void initializeAESKeys(unsigned char* ivec, unsigned char* ckey, const QByteArray& salt) {
// use the ones in the wallet // use the ones in the wallet
auto wallet = DependencyManager::get<Wallet>(); auto wallet = DependencyManager::get<Wallet>();
@ -331,11 +342,11 @@ bool Wallet::writeSecurityImage(const QPixmap* pixmap, const QString& outputFile
QByteArray output((const char*)outputFileBuffer, outSize); QByteArray output((const char*)outputFileBuffer, outSize);
// now APPEND to the file, // now APPEND to the file,
QByteArray b64output = output.toBase64();
QFile outputFile(outputFilePath); QFile outputFile(outputFilePath);
outputFile.open(QIODevice::Append); outputFile.open(QIODevice::Append);
outputFile.write(IMAGE_HEADER); outputFile.write(IMAGE_HEADER);
outputFile.write(output.toBase64()); outputBase64WithNewlines(outputFile, b64output);
outputFile.write("\n");
outputFile.write(IMAGE_FOOTER); outputFile.write(IMAGE_FOOTER);
outputFile.close(); outputFile.close();
@ -551,9 +562,11 @@ void Wallet::getSecurityImage() {
return; return;
} }
// decrypt and return bool success = false;
// decrypt and return. Don't bother if we have no file to decrypt, or
// no salt set yet.
QFileInfo fileInfo(keyFilePath()); QFileInfo fileInfo(keyFilePath());
if (fileInfo.exists() && readSecurityImage(keyFilePath(), &data, &dataLen)) { if (fileInfo.exists() && _salt.size() > 0 && readSecurityImage(keyFilePath(), &data, &dataLen)) {
// create the pixmap // create the pixmap
_securityImage = new QPixmap(); _securityImage = new QPixmap();
_securityImage->loadFromData(data, dataLen, "jpg"); _securityImage->loadFromData(data, dataLen, "jpg");
@ -562,11 +575,9 @@ void Wallet::getSecurityImage() {
updateImageProvider(); updateImageProvider();
delete[] data; delete[] data;
emit securityImageResult(true); success = true;
} else {
qCDebug(commerce) << "failed to decrypt security image (maybe none saved yet?)";
emit securityImageResult(false);
} }
emit securityImageResult(success);
} }
void Wallet::sendKeyFilePathIfExists() { void Wallet::sendKeyFilePathIfExists() {
QString filePath(keyFilePath()); QString filePath(keyFilePath());

2
interface/src/commerce/Wallet.h
View file

@ -55,7 +55,7 @@ signals:
private: private:
QStringList _publicKeys{}; QStringList _publicKeys{};
QPixmap* _securityImage { nullptr }; QPixmap* _securityImage { nullptr };
QByteArray _salt {"iamsalt!"}; QByteArray _salt;
QByteArray _iv; QByteArray _iv;
QByteArray _ckey; QByteArray _ckey;
QString* _passphrase { new QString("") }; QString* _passphrase { new QString("") };

6
libraries/ui/src/ui/ImageProvider.cpp
View file

@ -51,5 +51,9 @@ QPixmap ImageProvider::requestPixmap(const QString& id, QSize* size, const QSize
return _securityImage->copy(); return _securityImage->copy();
} }
} }
return QPixmap(); // otherwise just return a grey pixmap. This avoids annoying error messages in qml we would get
// when sending a 'null' pixmap (QPixmap())
QPixmap greyPixmap(200, 200);
greyPixmap.fill(QColor("darkGrey"));
return greyPixmap;
} }