626 lines
19 KiB
Perl
626 lines
19 KiB
Perl
# --
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# Copyright (C) 2001-2019 OTRS AG, https://otrs.com/
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# --
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# This software comes with ABSOLUTELY NO WARRANTY. For details, see
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# the enclosed file COPYING for license information (GPL). If you
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# did not receive this file, see https://www.gnu.org/licenses/gpl-3.0.txt.
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# --
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package Kernel::Output::HTML::ArticleCompose::Crypt;
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use parent 'Kernel::Output::HTML::Base';
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use strict;
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use warnings;
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use Mail::Address;
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use Kernel::Language qw(Translatable);
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use Kernel::System::VariableCheck qw(:all);
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our @ObjectDependencies = (
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'Kernel::Config',
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'Kernel::System::Crypt::PGP',
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'Kernel::System::Crypt::SMIME',
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'Kernel::Output::HTML::Layout',
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);
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sub Option {
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my ( $Self, %Param ) = @_;
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# Get config object.
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my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
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# Check if PGP and SMIME are disabled.
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return if !$ConfigObject->Get('PGP') && !$ConfigObject->Get('SMIME');
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return ('CryptKeyID');
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}
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sub Run {
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my ( $Self, %Param ) = @_;
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my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
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my $LayoutObject = $Kernel::OM->Get('Kernel::Output::HTML::Layout');
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# Check if PGP and SMIME are disabled.
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return if !$ConfigObject->Get('PGP') && !$ConfigObject->Get('SMIME');
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my %KeyList = $Self->Data(%Param);
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# Recipients with unique public keys won't be displayed in the selection
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my $UniqueEncryptKeyIDsToRemove = $Self->_GetUniqueEncryptKeyIDsToRemove(%Param);
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my @ExpiredIdentifiers;
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my @RevokedIdentifiers;
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my $InvalidMessage = '';
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my $Class = '';
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if ( IsArrayRefWithData($UniqueEncryptKeyIDsToRemove) ) {
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UNIQUEKEY:
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for my $UniqueEncryptKeyIDToRemove ( @{$UniqueEncryptKeyIDsToRemove} ) {
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next UNIQUEKEY if !defined $KeyList{$UniqueEncryptKeyIDToRemove};
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if ( $KeyList{$UniqueEncryptKeyIDToRemove} =~ m/WARNING: EXPIRED KEY/ ) {
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my ( $Type, $Key, $Identifier ) = split /::/, $UniqueEncryptKeyIDToRemove;
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push @ExpiredIdentifiers, $Identifier;
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}
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if ( $KeyList{$UniqueEncryptKeyIDToRemove} =~ m/WARNING: REVOKED KEY/ ) {
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my ( $Type, $Key, $Identifier ) = split /::/, $UniqueEncryptKeyIDToRemove;
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push @RevokedIdentifiers, $Identifier;
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}
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delete $KeyList{$UniqueEncryptKeyIDToRemove};
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}
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}
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# Find recipient list.
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my $Recipient = '';
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for (qw(To Cc Bcc)) {
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if ( $Param{$_} ) {
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$Recipient .= ', ' . $Param{$_};
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}
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}
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my @SearchAddress = ();
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if ($Recipient) {
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@SearchAddress = Mail::Address->parse($Recipient);
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}
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if (
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!IsArrayRefWithData( $Param{CryptKeyID} )
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|| ( $Param{ExpandCustomerName} && $Param{ExpandCustomerName} == 3 )
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)
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{
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$Param{CryptKeyID} = $Self->_PickEncryptKeyIDs(%Param);
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}
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# Check if all recipients have at least a key selected
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if (
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$Param{StoreNew}
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&& $Param{EmailSecurityOptions}
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&& $Param{EmailSecurityOptions} =~ m{Encrypt}msxi
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)
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{
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my $CheckSuccess = $Self->_CheckRecipient(%Param);
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if ( !$CheckSuccess ) {
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if ( IsArrayRefWithData( $Self->{MissingKeys} ) ) {
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$InvalidMessage .= $LayoutObject->{LanguageObject}->Translate(
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"There are no encryption keys available for the addresses: '%s'. ",
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join ', ', @{ $Self->{MissingKeys} }
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);
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}
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if ( IsArrayRefWithData( $Self->{MissingSelectedKey} ) ) {
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$InvalidMessage .= $LayoutObject->{LanguageObject}->Translate(
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"There are no selected encryption keys for the addresses: '%s'. ",
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join ', ', @{ $Self->{MissingSelectedKey} }
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);
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}
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$Self->{Error}->{EncryptMissingKey} = 1;
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$Class .= ' ServerError';
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}
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}
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# Check if selected encryption keys are expired.
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if (
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IsArrayRefWithData( $Param{CryptKeyID} )
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&& !IsArrayRefWithData( \@ExpiredIdentifiers )
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&& !IsArrayRefWithData( \@RevokedIdentifiers )
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)
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{
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ENCRYPTKEYID:
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for my $EncryptKey ( @{ $Param{CryptKeyID} } ) {
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my ( $Type, $Key, $Identifier ) = split /::/, $EncryptKey;
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next ENCRYPTKEYID if !defined $KeyList{$EncryptKey};
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if ( $KeyList{$EncryptKey} =~ m/WARNING: EXPIRED KEY/ ) {
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push @ExpiredIdentifiers, $Identifier;
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}
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if ( $KeyList{$EncryptKey} =~ m/WARNING: REVOKED KEY/ ) {
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push @RevokedIdentifiers, $Identifier;
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}
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}
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}
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if ( IsArrayRefWithData( \@ExpiredIdentifiers ) ) {
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$InvalidMessage .= $LayoutObject->{LanguageObject}->Translate(
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"Cannot use expired encryption keys for the addresses: '%s'. ",
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join ', ', @ExpiredIdentifiers
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);
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$Self->{Error}->{ExpiredKey} = 1;
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$Class .= ' ServerError';
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}
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if ( IsArrayRefWithData( \@RevokedIdentifiers ) ) {
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$InvalidMessage .= $LayoutObject->{LanguageObject}->Translate(
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"Cannot use revoked encryption keys for the addresses: '%s'. ",
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join ', ', @RevokedIdentifiers
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);
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$Self->{Error}->{ExpiredKey} = 1;
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$Class .= ' ServerError';
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}
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# Add encrypt options.
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my $List = $LayoutObject->BuildSelection(
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Data => \%KeyList,
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Name => 'CryptKeyID',
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SelectedID => $Param{CryptKeyID} || '',
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Class => "$Class Modernize",
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Max => 150,
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Multiple => 1,
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PossibleNone => 1.
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);
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$LayoutObject->Block(
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Name => 'Option',
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Data => {
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Name => 'CryptKeyID',
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Key => Translatable('Encrypt'),
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Value => $List,
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Invalid => $InvalidMessage,
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FieldExplanation => Translatable(
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'Keys/certificates will only be shown for recipients with more than one key/certificate. The first found key/certificate will be pre-selected. Please make sure to select the correct one.'
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),
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},
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);
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return;
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}
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sub Data {
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my ( $Self, %Param ) = @_;
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# Get config object.
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my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
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# Check if PGP or SMIME is disabled
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return if !$ConfigObject->Get('PGP') && !$ConfigObject->Get('SMIME');
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# Find recipient list.
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my $Recipient = '';
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for (qw(To Cc Bcc)) {
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if ( $Param{$_} ) {
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$Recipient .= ', ' . $Param{$_};
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}
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}
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my @SearchAddress = ();
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if ($Recipient) {
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@SearchAddress = Mail::Address->parse($Recipient);
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}
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# Generate key list.
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my %KeyList;
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return %KeyList if !@SearchAddress;
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return %KeyList if !$Param{EmailSecurityOptions};
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# Get email security options.
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my ( $Backend, $Sign, $Encrypt ) = split /::/, $Param{EmailSecurityOptions};
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return %KeyList if !$Backend;
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return %KeyList if !$Encrypt;
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return %KeyList if $Encrypt ne 'Encrypt';
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# Check PGP backend.
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if ( $Backend eq 'PGP' ) {
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my $PGPObject = $Kernel::OM->Get('Kernel::System::Crypt::PGP');
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return %KeyList if !$PGPObject;
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# Get PGP method (Detached or In-line).
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my $PGPMethod = $ConfigObject->Get('PGP::Method') || 'Detached';
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# For PGP In-line Rich-text editor needs to be disabled.
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if (
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$PGPMethod eq 'Detached'
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|| ( $PGPMethod eq 'Inline' && !$Kernel::OM->Get('Kernel::Output::HTML::Layout')->{BrowserRichText} )
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)
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{
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for my $SearchAddress (@SearchAddress) {
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my @PublicKeys = $PGPObject->PublicKeySearch(
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Search => $SearchAddress->address(),
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);
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for my $DataRef (@PublicKeys) {
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my $Expires = '';
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if ( $DataRef->{Expires} ) {
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$Expires = "[$DataRef->{Expires}]";
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}
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my $Status = '[' . $DataRef->{Status} . ']';
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if ( $DataRef->{Status} eq 'expired' ) {
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$Status = '[WARNING: EXPIRED KEY]';
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}
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elsif ( $DataRef->{Status} eq 'revoked' ) {
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$Status = '[WARNING: REVOKED KEY]';
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}
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$KeyList{"PGP::$DataRef->{Key}::$DataRef->{Identifier}"}
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= "PGP: $Status $DataRef->{Key} $Expires $DataRef->{Identifier}";
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}
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}
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}
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}
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# Check SMIME backend.
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elsif ( $Backend eq 'SMIME' ) {
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my $SMIMEObject = $Kernel::OM->Get('Kernel::System::Crypt::SMIME');
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return %KeyList if !$SMIMEObject;
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for my $SearchAddress (@SearchAddress) {
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my @PublicKeys = $SMIMEObject->CertificateSearch(
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Search => $SearchAddress->address(),
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);
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for my $DataRef (@PublicKeys) {
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my $Expired = '';
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my $EndDate = ( defined $DataRef->{EndDate} ) ? "[$DataRef->{EndDate}]" : '';
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if ( defined $DataRef->{EndDate} && $SMIMEObject->KeyExpiredCheck( EndDate => $DataRef->{EndDate} ) ) {
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$Expired = ' [WARNING: EXPIRED KEY]';
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}
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$KeyList{"SMIME::$DataRef->{Filename}::$DataRef->{Email}"}
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= "SMIME:$Expired $DataRef->{Filename} $EndDate $DataRef->{Email}";
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}
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}
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}
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return %KeyList;
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}
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sub ArticleOption {
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my ( $Self, %Param ) = @_;
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if ( IsArrayRefWithData( $Param{CryptKeyID} ) ) {
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my @Keys;
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for my $EncryptKey ( @{ $Param{CryptKeyID} } ) {
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my ( $Type, $Key ) = split /::/, $EncryptKey;
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push @Keys, $Key;
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}
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$Param{EmailSecurity}->{EncryptKeys} = \@Keys;
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return (
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EmailSecurity => $Param{EmailSecurity},
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);
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}
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return;
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}
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sub GetParamAJAX {
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my ( $Self, %Param ) = @_;
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# Get config object.
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my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
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# Check if PGP and SMIME are disabled
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return if !$ConfigObject->Get('PGP') && !$ConfigObject->Get('SMIME');
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return (
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CryptKeyID => $Self->_PickEncryptKeyIDs(%Param),
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);
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}
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sub Error {
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my ( $Self, %Param ) = @_;
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if ( $Self->{Error} ) {
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return %{ $Self->{Error} };
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}
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return;
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}
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sub _CheckRecipient {
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my ( $Self, %Param ) = @_;
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# Get email security options.
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my ( $Backend, $Sign, $Encrypt ) = split /::/, $Param{EmailSecurityOptions};
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# Stop checking if no backed was selected.
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return 1 if !$Backend;
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return 1 if $Encrypt ne 'Encrypt';
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# Get encrypt object.
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my $EncryptObject = $Kernel::OM->Get("Kernel::System::Crypt::$Backend");
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# Return error if encrypt object could not be created.
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return 0 if !$EncryptObject;
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# Create a selected encryption keys lookup table
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my %SelectedEncryptKeyIDs = map { $_ => 1 } @{ $Param{CryptKeyID} };
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# Recipients with unique public keys aren't part of the selection so add them manually
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my $UniqueEncryptKeyIDsToRemove = $Self->_GetUniqueEncryptKeyIDsToRemove(%Param);
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if ( IsArrayRefWithData($UniqueEncryptKeyIDsToRemove) ) {
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for my $UniqueEncryptKeyIDToRemove ( @{$UniqueEncryptKeyIDsToRemove} ) {
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$SelectedEncryptKeyIDs{$UniqueEncryptKeyIDToRemove} = 1;
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}
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}
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my $MissingSelectedKeyFlag;
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my $MissingKeysFlag;
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# Check each recipient type.
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RECIPIENTTYPE:
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for my $RecipientType (qw(To Cc Bcc)) {
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# Get all addresses for each recipient type.
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my @SearchAddress;
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if ( $Param{$RecipientType} ) {
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@SearchAddress = Mail::Address->parse( $Param{$RecipientType} );
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}
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# Get all certificates/public keys for each address.
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ADDRESS:
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for my $Address (@SearchAddress) {
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my $EmailAddress = $Address->address();
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my @PublicKeys;
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if ( $Backend eq 'PGP' ) {
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@PublicKeys = $EncryptObject->PublicKeySearch(
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Search => $EmailAddress,
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);
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}
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else {
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@PublicKeys = $EncryptObject->CertificateSearch(
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Search => $EmailAddress,
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);
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}
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# Remember addresses with no encryption keys available
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if ( !@PublicKeys ) {
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push @{ $Self->{MissingKeys} }, $EmailAddress;
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$MissingKeysFlag = 1;
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next ADDRESS;
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}
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$MissingSelectedKeyFlag = 1;
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PUBLICKEY:
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for my $PublicKey (@PublicKeys) {
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my $EncryptKeyID;
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if ( $Backend eq 'PGP' ) {
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$EncryptKeyID = "PGP::$PublicKey->{Key}::$PublicKey->{Identifier}";
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}
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else {
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$EncryptKeyID = "SMIME::$PublicKey->{Filename}::$PublicKey->{Email}";
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}
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# If this key is selected everything is fine, remove missing key flag and check next
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# address.
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if ( $SelectedEncryptKeyIDs{$EncryptKeyID} ) {
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$MissingSelectedKeyFlag = 0;
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next ADDRESS;
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}
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}
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push @{ $Self->{MissingSelectedKey} }, $EmailAddress;
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}
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}
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# Return error if there was no encryption keys available for an email address.
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return if $MissingKeysFlag;
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# Return error if there was no selected key for an email address.
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return if $MissingSelectedKeyFlag;
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# Otherwise return success
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return 1;
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}
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sub _PickEncryptKeyIDs {
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my ( $Self, %Param ) = @_;
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# Get the list of keys for the current backend.
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my %KeyList = $Self->Data(%Param);
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# Return nothing if there are no possible encrypt keys;
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return [] if !%KeyList;
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my %SelectedEncryptKeyIDs;
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# Check if encryption keys are still valid for the selected backend, otherwise remove them.
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ENCRYPTKEYID:
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for my $EncryptKeyID ( @{ $Param{CryptKeyID} } ) {
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next ENCRYPTKEYID if !$EncryptKeyID;
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next ENCRYPTKEYID if !$KeyList{$EncryptKeyID};
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next ENCRYPTKEYID if $KeyList{$EncryptKeyID} =~ m/WARNING: EXPIRED KEY/;
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next ENCRYPTKEYID if $KeyList{$EncryptKeyID} =~ m/WARNING: REVOKED KEY/;
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$SelectedEncryptKeyIDs{$EncryptKeyID} = 1;
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}
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# Return nothing if there are no security options.
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return [] if !defined $Param{EmailSecurityOptions};
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# Get email security options.
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my ( $Backend, $Sign, $Encrypt ) = split /::/, $Param{EmailSecurityOptions};
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# Return nothing if Backend is not present.
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return [] if !$Backend;
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# Get encrypt object.
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my $EncryptObject = $Kernel::OM->Get("Kernel::System::Crypt::$Backend");
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# Return nothing if encrypt object was not created
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return [] if !$EncryptObject;
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# Check each recipient type.
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for my $RecipientType (qw(To Cc Bcc)) {
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# Get all addresses for each recipient type.
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my @SearchAddress;
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if ( $Param{$RecipientType} ) {
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@SearchAddress = Mail::Address->parse( $Param{$RecipientType} );
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}
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ADDRESS:
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for my $Address (@SearchAddress) {
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my @PublicKeys;
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if ( $Backend eq 'PGP' ) {
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@PublicKeys = $EncryptObject->PublicKeySearch(
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Search => $Address->address(),
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);
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}
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else {
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@PublicKeys = $EncryptObject->CertificateSearch(
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Search => $Address->address(),
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Valid => 1,
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);
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}
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# If there are no public keys for this recipient, do nothing and check the next one.
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next ADDRESS if !@PublicKeys;
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my @EncryptKeyIDs;
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# Check / store all keys.
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PUBLICKEY:
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for my $PublicKey (@PublicKeys) {
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my $EncryptKeyID;
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if ( $Backend eq 'PGP' ) {
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$EncryptKeyID = "PGP::$PublicKey->{Key}::$PublicKey->{Identifier}";
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}
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else {
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$EncryptKeyID = "SMIME::$PublicKey->{Filename}::$PublicKey->{Email}";
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}
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# Do nothing if key is already selected, check next address.
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next ADDRESS if $SelectedEncryptKeyIDs{$EncryptKeyID};
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# Add key to possible encryption keys
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push @EncryptKeyIDs, $EncryptKeyID;
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}
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for my $EncryptKeyID (@EncryptKeyIDs) {
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# Select the first key and check the next address.
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$SelectedEncryptKeyIDs{$EncryptKeyID} = 1;
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next ADDRESS;
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}
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}
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}
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my @EncryptKeyIDs = sort keys %SelectedEncryptKeyIDs;
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return \@EncryptKeyIDs;
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}
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sub GetOptionsToRemoveAJAX {
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my ( $Self, %Param ) = @_;
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# Get config object.
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my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
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# Check if PGP and SMIME are disabled
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return if !$ConfigObject->Get('PGP') && !$ConfigObject->Get('SMIME');
|
|
|
|
my $OptionsToRemove = $Self->_GetUniqueEncryptKeyIDsToRemove(%Param);
|
|
return if !IsArrayRefWithData($OptionsToRemove);
|
|
|
|
return @{$OptionsToRemove};
|
|
}
|
|
|
|
sub _GetUniqueEncryptKeyIDsToRemove {
|
|
my ( $Self, %Param ) = @_;
|
|
|
|
# Get the list of keys for the current backend.
|
|
my %KeyList = $Self->Data(%Param);
|
|
|
|
# Return nothing if there are no possible encrypt keys;
|
|
return if !%KeyList;
|
|
|
|
# Return nothing if there are no security options.
|
|
return if !defined $Param{EmailSecurityOptions};
|
|
|
|
# Get email security options.
|
|
my ( $Backend, $Sign, $Encrypt ) = split /::/, $Param{EmailSecurityOptions};
|
|
|
|
return if !$Backend;
|
|
return if !$Encrypt || $Encrypt ne 'Encrypt';
|
|
|
|
# Get encrypt object.
|
|
my $EncryptObject = $Kernel::OM->Get("Kernel::System::Crypt::$Backend");
|
|
|
|
# Return nothing if encrypt object was not created
|
|
return if !$EncryptObject;
|
|
|
|
my %UniqueEncryptKeyIDsToRemove;
|
|
|
|
# Check each recipient type.
|
|
for my $RecipientType (qw(To Cc Bcc)) {
|
|
|
|
# Get all addresses for each recipient type.
|
|
my @SearchAddress;
|
|
if ( $Param{$RecipientType} ) {
|
|
@SearchAddress = Mail::Address->parse( $Param{$RecipientType} );
|
|
}
|
|
|
|
ADDRESS:
|
|
for my $Address (@SearchAddress) {
|
|
|
|
my @PublicKeys;
|
|
if ( $Backend eq 'PGP' ) {
|
|
@PublicKeys = $EncryptObject->PublicKeySearch(
|
|
Search => $Address->address(),
|
|
);
|
|
}
|
|
else {
|
|
@PublicKeys = $EncryptObject->CertificateSearch(
|
|
Search => $Address->address(),
|
|
);
|
|
}
|
|
|
|
# Only unique public keys will be removed, so skip to next address if there
|
|
# is not exactly one public key
|
|
next ADDRESS if @PublicKeys != 1;
|
|
|
|
my $PublicKey = shift @PublicKeys;
|
|
|
|
my $EncryptKeyID;
|
|
if ( $Backend eq 'PGP' ) {
|
|
$EncryptKeyID = "PGP::$PublicKey->{Key}::$PublicKey->{Identifier}";
|
|
}
|
|
else {
|
|
$EncryptKeyID = "SMIME::$PublicKey->{Filename}::$PublicKey->{Email}";
|
|
}
|
|
|
|
$UniqueEncryptKeyIDsToRemove{$EncryptKeyID} = 1;
|
|
}
|
|
}
|
|
|
|
my @UniqueEncryptKeyIDsToRemove = sort keys %UniqueEncryptKeyIDsToRemove;
|
|
return \@UniqueEncryptKeyIDsToRemove;
|
|
}
|
|
|
|
1;
|