Attachment 128280 Details for Bug 94378 – Implement digital signature support (qt5 frontend) - v2

[patch] Implement digital signature support (qt5 frontend) - v2

poppler-qt5-signature-v2.patch (text/plain), 11.37 KB, created by Hanno Meyer-Thurow on 2016-11-30 07:34:17 UTC

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Creator: Hanno Meyer-Thurow

Created: 2016-11-30 07:34:17 UTC

Size: 11.37 KB

patch

obsolete

>--- qt5/src/poppler-form.h	2016-11-30 04:03:36.923458836 +0100
>+++ qt5/src/poppler-form.h	2016-11-30 05:35:44.075625063 +0100
>@@ -30,6 +30,7 @@
> class FormWidgetButton;
> class FormWidgetText;
> class FormWidgetChoice;
>+class FormWidgetSignature;
> 
> namespace Poppler {
> 
>@@ -338,6 +339,108 @@
> 	Q_DISABLE_COPY(FormFieldChoice)
>     };
> 
>+    /**
>+      A signature validation info helper class.
>+
>+      \since xy.z
>+     */
>+    class POPPLER_QT5_EXPORT SignatureValidationInfo {
>+    public:
>+
>+	/**
>+	   The verfication result of the signature.
>+	*/
>+	enum SignatureStatus {
>+	    SignatureValid,          ///< The signature is cryptographically valid.
>+	    SignatureInvalid,        ///< The signature is cryptographically invalid.
>+	    SignatureDigestMismatch, ///< The document content was changed after the signature was applied.
>+	    SignatureDecodingError,  ///< The signature CMS/PKCS7 structure is malformed.
>+	    SignatureGenericError,   ///< The signature could not be verified.
>+	    SignatureNotFound,       ///< The requested signature is not present in the document.
>+	    SignatureNotVerified     ///< The signature is not yet verified.
>+	};
>+
>+	/**
>+	   The verification result of the certificate.
>+	*/
>+	enum CertificateStatus {
>+	    CertificateTrusted,         ///< The certificate is considered trusted.
>+	    CertificateUntrustedIssuer, ///< The issuer of this certificate has been marked as untrusted by the user.
>+	    CertificateUnknownIssuer,   ///< The certificate trust chain has not finished in a trusted root certificate.
>+	    CertificateRevoked,         ///< The certificate was revoked by the issuing certificate authority.
>+	    CertificateExpired,         ///< The signing time is outside the validity bounds of this certificate.
>+	    CertificateGenericError,    ///< The certificate could not be verified.
>+	    CertificateNotVerified      ///< The certificate is not yet verified.
>+	};
>+
>+	/**
>+	   The validation options of this signature.
>+	*/
>+	enum ValidateOptions {
>+	    ValidateVerifyCertificate = 1, ///< Validate the certificate.
>+	    ValidateForceRevalidation = 2, ///< Force revalidation of the certificate.
>+	};
>+
>+	/// \cond PRIVATE
>+	SignatureValidationInfo(SignatureStatus signatureStatus,
>+      CertificateStatus certificateStatus, QString signerName, time_t signingTime);
>+	/// \endcond
>+	~SignatureValidationInfo();
>+
>+	/**
>+	  The signature status of the signature.
>+	 */
>+	const SignatureStatus signatureStatus() const;
>+
>+	/**
>+	  The certificate status of the signature.
>+	 */
>+	const CertificateStatus certificateStatus() const;
>+
>+	/**
>+	  The signer name associated with the signature.
>+	 */
>+	const QString signerName() const;
>+
>+	/**
>+	  The signing time associated with the signature.
>+	 */
>+	const time_t signingTime() const;
>+
>+    private:
>+	SignatureStatus signature_status;
>+	CertificateStatus certificate_status;
>+
>+	QString signer_name;
>+	time_t signing_time;
>+    };
>+
>+    /**
>+      A form field that represents a signature.
>+
>+      \since xy.z
>+     */
>+    class POPPLER_QT5_EXPORT FormFieldSignature : public FormField {
>+    public:
>+
>+	/// \cond PRIVATE
>+	FormFieldSignature(DocumentData *doc, ::Page *p, ::FormWidgetSignature *w);
>+	/// \endcond
>+	virtual ~FormFieldSignature();
>+
>+	virtual FormType type() const;
>+
>+	/**
>+	  Validate the signature.
>+
>+	  Return validatation info of the signature.
>+	 */
>+	const SignatureValidationInfo validate(SignatureValidationInfo::ValidateOptions opt) const;
>+
>+    private:
>+	Q_DISABLE_COPY(FormFieldSignature)
>+	};
>+
> }
> 
> #endif
>--- qt5/src/poppler-page.cc	2016-11-30 04:03:56.807459434 +0100
>+++ qt5/src/poppler-page.cc	2016-11-30 04:04:19.355460112 +0100
>@@ -767,6 +767,12 @@
>       }
>       break;
> 
>+      case formSignature:
>+      {
>+        ff = new FormFieldSignature(m_page->parentDoc, p, static_cast<FormWidgetSignature*>(fm));
>+      }
>+      break;
>+
>       default: ;
>     }
> 
>--- qt5/src/poppler-form.cc	2016-11-30 04:03:44.655459068 +0100
>+++ qt5/src/poppler-form.cc	2016-11-30 05:40:44.991634113 +0100
>@@ -26,6 +26,7 @@
> #include <Form.h>
> #include <Object.h>
> #include <Link.h>
>+#include <SignatureInfo.h>
> 
> #include "poppler-form.h"
> #include "poppler-page-private.h"
>@@ -414,4 +415,115 @@
>   return !fwc->noSpellCheck();
> }
> 
>+
>+SignatureValidationInfo::SignatureValidationInfo(SignatureStatus signatureStatus,
>+  CertificateStatus certificateStatus, QString signerName, time_t signingTime)
>+  : signature_status(signatureStatus),
>+	certificate_status(certificateStatus),
>+	signer_name(signerName),
>+	signing_time(signingTime)
>+{
>+}
>+
>+SignatureValidationInfo::~SignatureValidationInfo()
>+{
>+}
>+
>+const SignatureValidationInfo::SignatureStatus SignatureValidationInfo::signatureStatus() const
>+{
>+  return signature_status;
>+}
>+
>+const SignatureValidationInfo::CertificateStatus SignatureValidationInfo::certificateStatus() const
>+{
>+  return certificate_status;
>+}
>+
>+const QString SignatureValidationInfo::signerName() const
>+{
>+  return signer_name;
>+}
>+
>+const time_t SignatureValidationInfo::signingTime() const
>+{
>+  return signing_time;
>+}
>+
>+
>+FormFieldSignature::FormFieldSignature(DocumentData *doc, ::Page *p, ::FormWidgetSignature *w)
>+  : FormField(*new FormFieldData(doc, p, w))
>+{
>+}
>+
>+FormFieldSignature::~FormFieldSignature()
>+{
>+}
>+
>+FormField::FormType FormFieldSignature::type() const
>+{
>+  return FormField::FormSignature;
>+}
>+
>+const SignatureValidationInfo FormFieldSignature::validate(SignatureValidationInfo::ValidateOptions opt) const
>+{
>+  FormWidgetSignature* fws = static_cast<FormWidgetSignature*>(m_formData->fm);
>+  SignatureInfo* si = fws->validateSignature(
>+    opt & SignatureValidationInfo::ValidateVerifyCertificate,
>+    opt & SignatureValidationInfo::ValidateForceRevalidation);
>+  SignatureValidationInfo::SignatureStatus signature_status;
>+  SignatureValidationInfo::CertificateStatus certificate_status;
>+  switch (si->getSignatureValStatus()) {
>+    case SIGNATURE_VALID:
>+      signature_status = SignatureValidationInfo::SignatureValid;
>+      break;
>+    case SIGNATURE_INVALID:
>+      signature_status = SignatureValidationInfo::SignatureInvalid;
>+      break;
>+    case SIGNATURE_DIGEST_MISMATCH:
>+      signature_status = SignatureValidationInfo::SignatureDigestMismatch;
>+      break;
>+    case SIGNATURE_DECODING_ERROR:
>+      signature_status = SignatureValidationInfo::SignatureDecodingError;
>+      break;
>+    default:
>+    case SIGNATURE_GENERIC_ERROR:
>+      signature_status = SignatureValidationInfo::SignatureGenericError;
>+      break;
>+    case SIGNATURE_NOT_FOUND:
>+      signature_status = SignatureValidationInfo::SignatureNotFound;
>+      break;
>+    case SIGNATURE_NOT_VERIFIED:
>+      signature_status = SignatureValidationInfo::SignatureNotVerified;
>+      break;
>+  }
>+  switch (si->getCertificateValStatus()) {
>+    case CERTIFICATE_TRUSTED:
>+      certificate_status = SignatureValidationInfo::CertificateTrusted;
>+      break;
>+    case CERTIFICATE_UNTRUSTED_ISSUER:
>+      certificate_status = SignatureValidationInfo::CertificateUntrustedIssuer;
>+      break;
>+    case CERTIFICATE_UNKNOWN_ISSUER:
>+      certificate_status = SignatureValidationInfo::CertificateUnknownIssuer;
>+      break;
>+    case CERTIFICATE_REVOKED:
>+      certificate_status = SignatureValidationInfo::CertificateRevoked;
>+      break;
>+    case CERTIFICATE_EXPIRED:
>+      certificate_status = SignatureValidationInfo::CertificateExpired;
>+      break;
>+    default:
>+    case CERTIFICATE_GENERIC_ERROR:
>+      certificate_status = SignatureValidationInfo::CertificateGenericError;
>+      break;
>+    case CERTIFICATE_NOT_VERIFIED:
>+      certificate_status = SignatureValidationInfo::CertificateNotVerified;
>+      break;
>+  }
>+  QString signer_name = si->getSignerName();
>+  time_t signing_time = si->getSigningTime();
>+
>+  return SignatureValidationInfo(signature_status, certificate_status, signer_name, signing_time);
>+}
>+
> }
>--- qt5/tests/poppler-forms.cpp	2016-11-30 04:04:07.319459750 +0100
>+++ qt5/tests/poppler-forms.cpp	2016-11-30 05:38:43.763630467 +0100
>@@ -1,4 +1,5 @@
> #include <QtCore/QCoreApplication>
>+#include <QtCore/QDateTime>
> #include <QtCore/QDebug>
> 
> #include <iostream>
>@@ -46,6 +47,34 @@
>     return out;
> }
> 
>+std::ostream& operator<< (std::ostream &out, Poppler::SignatureValidationInfo::SignatureStatus status)
>+{
>+    switch (status) {
>+        case Poppler::SignatureValidationInfo::SignatureValid:          out << "Valid";          break;
>+        case Poppler::SignatureValidationInfo::SignatureInvalid:        out << "Invalid";        break;
>+        case Poppler::SignatureValidationInfo::SignatureDigestMismatch: out << "DigestMismatch"; break;
>+        case Poppler::SignatureValidationInfo::SignatureDecodingError:  out << "DecodingError";  break;
>+        case Poppler::SignatureValidationInfo::SignatureGenericError:   out << "GenericError";   break;
>+        case Poppler::SignatureValidationInfo::SignatureNotFound:       out << "NotFound";       break;
>+        case Poppler::SignatureValidationInfo::SignatureNotVerified:    out << "NotVerifiedYet"; break;
>+    }
>+    return out;
>+}
>+
>+std::ostream& operator<< (std::ostream &out, Poppler::SignatureValidationInfo::CertificateStatus status)
>+{
>+    switch (status) {
>+        case Poppler::SignatureValidationInfo::CertificateTrusted:         out << "Trusted";         break;
>+        case Poppler::SignatureValidationInfo::CertificateUntrustedIssuer: out << "UntrustedIssuer"; break;
>+        case Poppler::SignatureValidationInfo::CertificateUnknownIssuer:   out << "UnknownIssuer";   break;
>+        case Poppler::SignatureValidationInfo::CertificateRevoked:         out << "Revoked";         break;
>+        case Poppler::SignatureValidationInfo::CertificateExpired:         out << "Expired";         break;
>+        case Poppler::SignatureValidationInfo::CertificateGenericError:    out << "GenericError";    break;
>+        case Poppler::SignatureValidationInfo::CertificateNotVerified:     out << "NotVerifiedYet";  break;
>+    }
>+    return out;
>+}
>+
> std::ostream& operator<< (std::ostream &out, Qt::Alignment alignment)
> {
>     switch (alignment) {
>@@ -155,7 +184,22 @@
>                     }
>                     break;
> 
>-                    case Poppler::FormField::FormSignature:
>+                    case Poppler::FormField::FormSignature: {
>+                        const Poppler::FormFieldSignature *signatureForm = static_cast<const Poppler::FormFieldSignature *>(form);
>+                        Poppler::SignatureValidationInfo svi = signatureForm->validate(Poppler::SignatureValidationInfo::ValidateVerifyCertificate);
>+                        std::cout << "\t\t\tSignatureStatus: " << svi.signatureStatus() << std::endl;
>+                        std::cout << "\t\t\tCertificateStatus: " << svi.certificateStatus() << std::endl;
>+                        if (svi.signerName().isEmpty() == false)
>+                          std::cout << "\t\t\tSignerName: " << svi.signerName() << std::endl;
>+                        else
>+                          std::cout << "\t\t\tSignerName: " << "(null)" << std::endl;
>+                        // http://doc.qt.io/qt-5/qdatetime.html#fromTime_t-1
>+                        // Requires Qt 5.2 -> configure.ac update
>+                        // QDateTime::fromTime_t(signingTime(), Qt::UTC).toString();
>+                        QDateTime sviTime;
>+                        sviTime.setTime_t(svi.signingTime());
>+                        std::cout << "\t\t\tSigningTime: " << sviTime.toString() << std::endl;
>+                    }
>                     break;
>                 }
>             }

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Attachments on bug 94378: 128276 | 128280 | 128332 | 128362 | 128366 | 128386

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