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Allow revoking key certifications.

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Certified user identities in keys can be revoked using the same popup
for certification.

Requires GnuPG 2.2.24 (not available in distro's repository, not fully
tested to date).
This commit is contained in:
SET
2020-11-22 14:22:08 +01:00
parent 898764be7b
commit 110e5e4fb3
7 changed files with 168 additions and 35 deletions
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28
GpgMEWorker.cpp
View File

@@ -145,6 +145,34 @@ const Error GpgMEWorker::CertifyKey(const char* fprSigningKey,
return e;
}
const Error GpgMEWorker::RevokeKeyCertifications(const char* fprSigningKey,
const char* fprKeyToSign,
vector<GpgME::UserID>& userIDsToRevoke,
const string& passphrase)
{
Error e;
Key signingKey = FindKey(fprSigningKey, e, true);
if (e.code() != 0)
return e;
e = m_ctx->addSigningKey(signingKey); // +++
if (e.code() != 0)
return e;
Key keyToSign = FindKey(fprKeyToSign, e, false);
if (e.code() != 0)
return e;
m_ctx->setPinentryMode(Context::PinentryMode::PinentryLoopback);
if (m_ppp == NULL)
m_ppp = new LoopbackPassphraseProvider();
m_ppp->SetPassphrase(passphrase);
m_ctx->setPassphraseProvider(m_ppp);
e = m_ctx->revokeSignature(keyToSign, signingKey, userIDsToRevoke);
m_ctx->clearSigningKeys();
return e;
}
const Error GpgMEWorker::SetSubkeyExpiryTime(const char* keyFpr,
const char* subkeyFpr,
const string& passphrase,

13
GpgMEWorker.h
View File

@@ -77,6 +77,19 @@ public:
const char * fprKeyToSign,
vector<uint>& userIDsToSign, int options,
const string& passphrase);
/**
* Revoke UserID certifications.
* \n Requires GnuPG >= 2.2.24
* @param fprSigningKey
* @param fprKeyToSign
* @param userIDsToRevoke : vector of ::UserID
* @param passphrase
* @return
*/
const Error RevokeKeyCertifications(const char * fprSigningKey,
const char * fprKeyToSign,
vector<GpgME::UserID>& userIDsToRevoke,
const string& passphrase);
/**
* Sets the expiry time of a single subkey. Requires GPGME >= 1.15.0.
* \n If no subkey is found (wrong fpr), the expiry time of key is set

30
KeyEdit.cpp
View File

@@ -153,19 +153,43 @@ void KeyEdit::CertifyKey()
}
const WString signingKey = m_popupUid->GetSelectedKey();
const WString keyToSign = m_popupUid->GetKeyToSign();
int options = m_popupUid->GetCertifyOptions();
GpgMEWorker gpgWorker;
GpgME::Error e = gpgWorker.CertifyKey(signingKey.toUTF8().c_str(),
GpgME::Error e;
if (m_popupUid->WhatToDo() == PopupCertifyUserId::CertifyUid)
{
int options = m_popupUid->GetCertifyOptions();
e = gpgWorker.CertifyKey(signingKey.toUTF8().c_str(),
keyToSign.toUTF8().c_str(),
uidsToSign, options,
m_popupUid->GetPassphrase());
}
else
{
vector<GpgME::UserID> uidsToRevoke
= m_popupUid->GetUidsToRevokeCertification();
e = gpgWorker.RevokeKeyCertifications(signingKey.toUTF8().c_str(),
keyToSign.toUTF8().c_str(),
uidsToRevoke,
m_popupUid->GetPassphrase());
}
if (e.code() != 0)
{
m_owner->m_tmwMessage->SetText(TR("CertificationFailure"));
if (m_popupUid->WhatToDo() == PopupCertifyUserId::CertifyUid)
{
m_owner->m_tmwMessage->SetText(e.asString());
m_popupUid->ShowPassphrase(true);
return;
}
else {
m_owner->m_tmwMessage->SetText(e.asString());
m_popupUid->ShowPassphrase(true);
return;
}
}
if (m_popupUid->WhatToDo() == PopupCertifyUserId::CertifyUid)
m_owner->m_tmwMessage->SetText(TR("CertificationSuccess"));
else
m_owner->m_tmwMessage->SetText(TR("RevocationSuccess"));
m_popupUid->ShowPassphrase(false);
m_owner->DisplayUids(keyToSign);
}

59
PopupCertifyUserId.cpp
View File

@@ -12,7 +12,9 @@
#include "Tools.h"
#include <Wt/WStandardItem.h>
#include <Wt/WStandardItemModel.h>
#include <Wt/WRadioButton.h>
#include <iostream>
#include <algorithm>
using namespace std;
@@ -63,10 +65,10 @@ void PopupCertifyUserId::Create(vector<WString>& privateKeys,
m_hblPreferences->addLayout(unique_ptr<WVBoxLayout> (m_vblEmail));
PresentEmail();
// Column 1
m_gbOptions = new WGroupBox(TR("Options"));
WVBoxLayout * vblOptions = new WVBoxLayout();
m_hblPreferences->addLayout(unique_ptr<WVBoxLayout> (vblOptions));
WText * lblOptions = new WText(TR("Options"));
vblOptions->addWidget(unique_ptr<WText> (lblOptions));
m_gbOptions->setLayout(unique_ptr<WVBoxLayout> (vblOptions));
m_hblPreferences->addWidget(unique_ptr<WGroupBox> (m_gbOptions));
m_cbOptionExportable = new WCheckBox(TR("ExportableCertification"));
m_cbOptionExportable->setToolTip(TR("OneWayHint"));
vblOptions->addWidget(unique_ptr<WCheckBox> (m_cbOptionExportable));
@@ -74,7 +76,7 @@ void PopupCertifyUserId::Create(vector<WString>& privateKeys,
m_cbOptionNonRevocable->setToolTip(TR("OneWayHint"));
vblOptions->addWidget(unique_ptr<WCheckBox> (m_cbOptionNonRevocable));
/*m_cbOptionTrust = new WCheckBox(TR("TrustCertification"));
vblOptions->addWidget(unique_ptr<WCheckBox> (m_cbOptionTrust));*/
gbOptions->addWidget(unique_ptr<WCheckBox> (m_cbOptionTrust));*/
WHBoxLayout * hblPassphrase = new WHBoxLayout();
m_lblPassphrase = new WText(TR("Passphrase"));
@@ -84,6 +86,18 @@ void PopupCertifyUserId::Create(vector<WString>& privateKeys,
hblPassphrase->addWidget(unique_ptr<WLineEdit> (m_lePassphrase), 1);
vblMain->addLayout(unique_ptr<WHBoxLayout> (hblPassphrase));
WHBoxLayout * hblWhat = new WHBoxLayout();
WRadioButton * rbCertifyUid = new WRadioButton(TR("CertifyUid"));
hblWhat->addWidget(unique_ptr<WRadioButton> (rbCertifyUid));
WRadioButton * rbRevokeCertification =
new WRadioButton(TR("RevokeUidCertification"));
hblWhat->addWidget(unique_ptr<WRadioButton> (rbRevokeCertification));
m_bgWhat = make_shared<WButtonGroup>();
m_bgWhat->addButton(rbCertifyUid, What::CertifyUid);
m_bgWhat->addButton(rbRevokeCertification, What::RevokeUidCertification);
m_bgWhat->setCheckedButton(rbCertifyUid);
vblMain->addLayout(unique_ptr<WHBoxLayout> (hblWhat));
WHBoxLayout * hblButtons = new WHBoxLayout();
WPushButton * btnClose = new WPushButton(TR("Close"));
hblButtons->addWidget(unique_ptr<WPushButton> (btnClose));
@@ -99,6 +113,7 @@ void PopupCertifyUserId::Create(vector<WString>& privateKeys,
m_cbOptionNonRevocable->unChecked().connect(std::bind(&PopupCertifyUserId::OnCertifyOptionUnChecked, this, 2));
// m_cbOptionTrust->unChecked().connect(std::bind(&PopupCertifyUserId::OnCertifyOptionUnChecked, this, 4));
btnClose->clicked().connect(this, &WPopupWidget::hide);
m_bgWhat->checkedChanged().connect(this, &PopupCertifyUserId::OnButtonGroupWhat);
}
void PopupCertifyUserId::FillPrivateKeyComboBox(vector<WString>& privateKeys)
@@ -175,8 +190,8 @@ void PopupCertifyUserId::PresentEmail()
WCheckBox * cbEmail = new WCheckBox(it->email());
m_vblEmail->addWidget(unique_ptr<WCheckBox> (cbEmail));
cbEmail->setId(std::to_string(id));
cbEmail->checked().connect(std::bind(&PopupCertifyUserId::OnEmailChecked, this, cbEmail));
cbEmail->unChecked().connect(std::bind(&PopupCertifyUserId::OnEmailUnChecked, this, cbEmail));
cbEmail->checked().connect(std::bind(&PopupCertifyUserId::OnEmailChecked, this, cbEmail, (*it)));
cbEmail->unChecked().connect(std::bind(&PopupCertifyUserId::OnEmailUnChecked, this, cbEmail, (*it)));
id++;
}
}
@@ -220,25 +235,32 @@ void PopupCertifyUserId::ShowPassphrase(bool show)
}
}
void PopupCertifyUserId::OnEmailChecked(WCheckBox* cb)
void PopupCertifyUserId::OnEmailChecked(WCheckBox* cb, GpgME::UserID& uid)
{
int id = Tools::ToInt(cb->id());
m_uidsToSign.push_back(id);
m_uidsToRevokeCertification.push_back(uid);
}
void PopupCertifyUserId::OnEmailUnChecked(WCheckBox* cb)
void PopupCertifyUserId::OnEmailUnChecked(WCheckBox* cb, GpgME::UserID& uid)
{
// Any tip to locate a known value in a vector without iterating over?
const uint id = Tools::ToInt(cb->id());
vector<uint>::iterator it;
for (it = m_uidsToSign.begin(); it != m_uidsToSign.end(); it++)
{
if ((*it) == id)
{
vector<uint>::iterator it =
std::find(m_uidsToSign.begin(), m_uidsToSign.end(), id);
if (it != m_uidsToSign.end())
m_uidsToSign.erase(it);
return;
vector<GpgME::UserID>::iterator uit;
for (uit = m_uidsToRevokeCertification.begin();
uit != m_uidsToRevokeCertification.end(); uit++)
{
if ((*uit).uidhash() == uid.uidhash())
{
m_uidsToRevokeCertification.erase(uit);
break;
}
}
}
void PopupCertifyUserId::OnCertifyOptionChecked(int id)
@@ -250,3 +272,10 @@ void PopupCertifyUserId::OnCertifyOptionUnChecked(int id)
{
m_certifyOptions -= id;
}
void PopupCertifyUserId::OnButtonGroupWhat(WRadioButton* btn)
{
m_gbOptions->setDisabled(m_bgWhat->checkedId()
== What::RevokeUidCertification);
}

55
PopupCertifyUserId.h
View File

@@ -19,28 +19,32 @@
#include <Wt/WLineEdit.h>
#include <Wt/WVBoxLayout.h>
#include <Wt/WHBoxLayout.h>
#include <Wt/WGroupBox.h>
#include <Wt/WButtonGroup.h>
#include <vector>
#include <gpgme++/key.h>
#include "TransientMessageWidget.h"
using namespace Wt;
/**
* A popup with required parameters to certify a key :
* A popup with required parameters to certify or revoke a key uid :
* <ul>
* <li>Signer's private keys</li>
* <li>Target key user identities (email)</li>
* <li>Signing options : Exportable and non-revocable</li>
* <li>Passphrase for selected private key</li>
* </ul>
* The passphrase is cached by gpg-agent for default 10 mins.
* \n The popup hides the passphrase widget until a certify op fails.
* \n UserID::Validity:: lists many validity levels. How to selectively apply
* an arbitrary level ? Before signing, it's 'Unknown'. After signing, it's
* always 'Full'.
* \n For revocation, GnuPG >= 2.2.24 is required.
*/
class PopupCertifyUserId : public WPopupWidget
{
public:
enum What
{
RevokeUidCertification = 0, CertifyUid
};
PopupCertifyUserId(WWidget * anchorWidget, TransientMessageWidget * txtMessage,
const WLength& width = 500);
virtual ~PopupCertifyUserId();
@@ -102,6 +106,27 @@ public:
return m_uidsToSign;
}
/**
* Get the certifications to revoke.
* \n GPGME >= 1.15.0 is required. It expects
* it as a vector of GpgME::UserID, instead of a vector of indices used in
* GetUidsToSign().
* @return
*/
vector<GpgME::UserID>& GetUidsToRevokeCertification()
{
return m_uidsToRevokeCertification;
}
/**
* Certify selected user identities or revoke certifications.
* @return
*/
const What WhatToDo() const
{
return (What) m_bgWhat->checkedId();
}
/**
* Sum of option values
* <ul>
@@ -141,7 +166,10 @@ private:
WPushButton * m_btnApply;
vector<uint> m_uidsToSign;
vector<GpgME::UserID> m_uidsToRevokeCertification;
int m_certifyOptions;
WGroupBox * m_gbOptions;
shared_ptr<WButtonGroup> m_bgWhat;
/**
* Available private fingerprints in a combobox. The selected item is the
* signing key.
@@ -154,15 +182,17 @@ private:
*/
void PresentEmail();
/**
* Add the identity index in a vector.
* Add the identity index in a vector for certification.
* \n Add the ::UserID in a vector for signature revocation.
* @param cb
*/
void OnEmailChecked(WCheckBox * cb);
void OnEmailChecked(WCheckBox * cb, GpgME::UserID& uid);
/**
* Removes the identity index in a vector.
* Removes the identity index from a vector for certification.
* \n Removes the ::UserID from a vector for signature revocation.
* @param cb
*/
void OnEmailUnChecked(WCheckBox * cb);
void OnEmailUnChecked(WCheckBox * cb, GpgME::UserID& uid);
/**
* Adds the option value in m_certifyOptions.
* @param id
@@ -173,6 +203,11 @@ private:
* @param id
*/
void OnCertifyOptionUnChecked(int id);
/**
* Show certification options if certifying, else hide them.
* @param btn
*/
void OnButtonGroupWhat(WRadioButton * btn);
};
#endif /* POPUPCERTIFYUSERID_H */

4
WTAPPROOT/K7/K7.xml
View File

@@ -83,8 +83,10 @@
<message id='NoUidSelected'>No email address is selected</message>
<message id='Apply'>Apply</message>
<message id='CertificationSuccess'>Key succesfully certified</message>
<message id='CertificationFailure'>Key certification failed</message>
<message id='RevocationSuccess'>Identity certification succesfully revoked</message>
<message id='OneWayHint'>Once set, this option cannot be removed. Use gpg cli for further edit.</message>
<message id='CertifyUid'>Certify identities</message>
<message id='RevokeUidCertification'>Revoke certifications</message>
<message id='PrepareCopy'>Click to be able to copy next</message>

4
WTAPPROOT/K7/K7_fr.xml
View File

@@ -83,8 +83,10 @@
<message id='NoUidSelected'>Aucun courriel n'est sélectionné</message>
<message id='Apply'>Appliquer</message>
<message id='CertificationSuccess'>Succès de certification de la clé</message>
<message id='CertificationFailure'>Échec de certification de la clé</message>
<message id='RevocationSuccess'>Succès de révocation de l'identité</message>
<message id='OneWayHint'>Une fois appliquée, cette option ne pourra plus être enlevée. Utilisez gpg en ligne de commande pour édition ultérieure.</message>
<message id='CertifyUid'>Certifier les identités</message>
<message id='RevokeUidCertification'>Revoquer les certifications</message>
<message id='PrepareCopy'>Cliquez pour pouvoir ensuite copier</message>