init III
This commit is contained in:
537
Perl OTRS/Kernel/System/MailAccount/POP3.pm
Normal file
537
Perl OTRS/Kernel/System/MailAccount/POP3.pm
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@@ -0,0 +1,537 @@
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# --
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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::System::MailAccount::POP3;
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use strict;
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use warnings;
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use Net::POP3;
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our @ObjectDependencies = (
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'Kernel::Config',
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'Kernel::System::CommunicationLog',
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'Kernel::System::Log',
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'Kernel::System::Main',
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'Kernel::System::PostMaster',
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);
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sub new {
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my ( $Type, %Param ) = @_;
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# allocate new hash for object
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my $Self = {%Param};
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bless( $Self, $Type );
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# reset limit
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$Self->{Limit} = 0;
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return $Self;
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}
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sub Connect {
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my ( $Self, %Param ) = @_;
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# check needed stuff
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for (qw(Login Password Host Timeout Debug)) {
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if ( !defined $Param{$_} ) {
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return (
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Successful => 0,
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Message => "Need $_!",
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);
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}
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}
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# connect to host
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my $PopObject = Net::POP3->new(
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$Param{Host},
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Timeout => $Param{Timeout},
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Debug => $Param{Debug},
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);
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if ( !$PopObject ) {
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return (
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Successful => 0,
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Message => "POP3: Can't connect to $Param{Host}"
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);
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}
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# authentication
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my $NOM = $PopObject->login( $Param{Login}, $Param{Password} );
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if ( !defined $NOM ) {
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$PopObject->quit();
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return (
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Successful => 0,
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Message => "POP3: Auth for user $Param{Login}/$Param{Host} failed!"
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);
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}
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return (
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Successful => 1,
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PopObject => $PopObject,
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NOM => $NOM,
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Type => 'POP3',
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);
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}
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sub _Fetch {
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my ( $Self, %Param ) = @_;
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# fetch again if still messages on the account
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MESSAGE:
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while (1) {
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return if !$Self->_Fetch(%Param);
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last MESSAGE if $Self->{Reconnect};
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}
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return 1;
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}
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sub Fetch {
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my ( $Self, %Param ) = @_;
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# start a new incoming communication
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my $CommunicationLogObject = $Kernel::OM->Create(
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'Kernel::System::CommunicationLog',
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ObjectParams => {
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Transport => 'Email',
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Direction => 'Incoming',
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AccountType => $Param{Type},
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AccountID => $Param{ID},
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}
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);
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$CommunicationLogObject->ObjectLogStart(
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ObjectLogType => 'Connection',
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);
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# check needed stuff
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for (qw(Login Password Host Trusted QueueID)) {
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if ( !defined $Param{$_} ) {
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Error',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "$_ not defined!",
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);
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$CommunicationLogObject->ObjectLogStop(
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ObjectLogType => 'Connection',
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Status => 'Failed',
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);
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$CommunicationLogObject->CommunicationStop( Status => 'Failed' );
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return;
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}
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}
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for (qw(Login Password Host)) {
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if ( !$Param{$_} ) {
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Error',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Need $_!",
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);
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$CommunicationLogObject->ObjectLogStop(
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ObjectLogType => 'Connection',
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Status => 'Failed',
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);
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$CommunicationLogObject->CommunicationStop( Status => 'Failed' );
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return;
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}
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}
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my $Debug = $Param{Debug} || 0;
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my $Limit = $Param{Limit} || 5000;
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my $CMD = $Param{CMD} || 0;
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# get config object
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my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
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# MaxEmailSize
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my $MaxEmailSize = $ConfigObject->Get('PostMasterMaxEmailSize') || 1024 * 6;
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# MaxPopEmailSession
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my $MaxPopEmailSession = $ConfigObject->Get('PostMasterReconnectMessage') || 20;
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my $FetchCounter = 0;
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$Self->{Reconnect} = 0;
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Debug',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Open connection to '$Param{Host}' ($Param{Login}).",
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);
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my %Connect = ();
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eval {
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%Connect = $Self->Connect(
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Host => $Param{Host},
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Login => $Param{Login},
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Password => $Param{Password},
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Timeout => 15,
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Debug => $Debug
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);
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return 1;
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} || do {
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my $Error = $@;
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%Connect = (
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Successful => 0,
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Message =>
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"Something went wrong while trying to connect to 'POP3 => $Param{Login}/$Param{Host}': ${ Error }",
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);
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};
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if ( !$Connect{Successful} ) {
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Error',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => $Connect{Message},
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);
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$CommunicationLogObject->ObjectLogStop(
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ObjectLogType => 'Connection',
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Status => 'Failed',
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);
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$CommunicationLogObject->CommunicationStop(
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Status => 'Failed',
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);
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return;
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}
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my $POPOperation = sub {
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my $Operation = shift;
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my @Params = @_;
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my $POPObject = $Connect{PopObject};
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my $ScalarResult;
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my @ArrayResult = ();
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my $Wantarray = wantarray;
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eval {
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if ($Wantarray) {
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@ArrayResult = $POPObject->$Operation( @Params, );
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}
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else {
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$ScalarResult = $POPObject->$Operation( @Params, );
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}
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return 1;
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} || do {
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my $Error = $@;
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$Kernel::OM->Get('Kernel::System::Log')->Log(
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Priority => 'error',
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Message => sprintf(
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"Error while executing 'POP->%s(%s)': %s",
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$Operation,
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join( ',', @Params ),
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$Error,
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),
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);
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};
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return @ArrayResult if $Wantarray;
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return $ScalarResult;
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};
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my $NOM = $Connect{NOM};
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my $AuthType = $Connect{Type};
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my $ConnectionWithErrors = 0;
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my $MessagesWithError = 0;
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# fetch messages
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if ( !$NOM ) {
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if ($CMD) {
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print "$AuthType: No messages ($Param{Login}/$Param{Host})\n";
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}
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Notice',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "No messages available ($Param{Login}/$Param{Host}).",
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);
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}
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else {
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my $MessageList = $POPOperation->( 'list', );
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my $MessageCount = $NOM eq '0E0' ? 0 : $NOM;
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Notice',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "$MessageCount messages available for fetching ($Param{Login}/$Param{Host}).",
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);
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MESSAGE_NO:
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for my $Messageno ( sort { $a <=> $b } keys %{$MessageList} ) {
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# check if reconnect is needed
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if ( $FetchCounter >= $MaxPopEmailSession ) {
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$Self->{Reconnect} = 1;
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if ($CMD) {
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print "$AuthType: Reconnect Session after $MaxPopEmailSession messages...\n";
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}
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Info',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Reconnect session after $MaxPopEmailSession messages.",
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);
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last MESSAGE_NO;
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}
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if ($CMD) {
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print "$AuthType: Message $Messageno/$NOM ($Param{Login}/$Param{Host})\n";
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}
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# determine (human readable) message size
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my $MessageSize;
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if ( $MessageList->{$Messageno} > ( 1024 * 1024 ) ) {
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$MessageSize = sprintf "%.1f MB", ( $MessageList->{$Messageno} / ( 1024 * 1024 ) );
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}
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elsif ( $MessageList->{$Messageno} > 1024 ) {
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$MessageSize = sprintf "%.1f KB", ( $MessageList->{$Messageno} / 1024 );
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}
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else {
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$MessageSize = $MessageList->{$Messageno} . ' Bytes';
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}
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Debug',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Prepare fetching of message '$Messageno/$NOM' (Size: $MessageSize) from server.",
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);
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# check maximum message size
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if ( $MessageList->{$Messageno} > ( $MaxEmailSize * 1024 ) ) {
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# convert size to KB, log error
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my $MessageSizeKB = int( $MessageList->{$Messageno} / (1024) );
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my $ErrorMessage = "$AuthType: Can't fetch email $NOM from $Param{Login}/$Param{Host}. "
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. "Email too big ($MessageSizeKB KB - max $MaxEmailSize KB)!";
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Error',
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Key => 'Kernel::System::MailAccount::POP3',
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Value =>
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"Cannot fetch message '$Messageno/$NOM' with size '$MessageSize' ($MessageSizeKB KB)."
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. "Maximum allowed message size is '$MaxEmailSize KB'!",
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);
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$ConnectionWithErrors = 1;
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}
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else {
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# safety protection
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$FetchCounter++;
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my $FetchDelay = ( $FetchCounter % 20 == 0 ? 1 : 0 );
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if ( $FetchDelay && $CMD ) {
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print "$AuthType: Safety protection: waiting 1 second before processing next mail...\n";
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Debug',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => 'Safety protection: waiting 1 second before fetching next message from server.',
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);
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sleep 1;
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}
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# get message (header and body)
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my $Lines = $POPOperation->( 'get', $Messageno, );
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if ( !$Lines ) {
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my $ErrorMessage = "$AuthType: Can't process mail, email no $Messageno is empty!";
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Error',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Could not fetch message '$Messageno', answer from server was empty.",
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);
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$ConnectionWithErrors = 1;
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}
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else {
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Debug',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Message '$Messageno' successfully received from server.",
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);
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$CommunicationLogObject->ObjectLogStart( ObjectLogType => 'Message' );
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my $MessageStatus = 'Successful';
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my $PostMasterObject = $Kernel::OM->Create(
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'Kernel::System::PostMaster',
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ObjectParams => {
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%{$Self},
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Email => $Lines,
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Trusted => $Param{Trusted} || 0,
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Debug => $Debug,
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CommunicationLogObject => $CommunicationLogObject,
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},
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);
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my @Return = eval { return $PostMasterObject->Run( QueueID => $Param{QueueID} || 0 ); };
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my $Exception = $@ || undef;
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if ( !$Return[0] ) {
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$MessagesWithError += 1;
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if ($Exception) {
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$Kernel::OM->Get('Kernel::System::Log')->Log(
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Priority => 'error',
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Message => 'Exception while processing mail: ' . $Exception,
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);
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}
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my $File = $Self->_ProcessFailed( Email => $Lines );
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my $ErrorMessage = "$AuthType: Can't process mail, mail saved ("
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. "$File, report it on http://bugs.otrs.org/)!";
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Message',
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Priority => 'Error',
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Key => 'Kernel::System::MailAccount::POP3',
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Value =>
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"Could not process message. Raw mail saved ($File, report it on http://bugs.otrs.org/)!",
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);
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$MessageStatus = 'Failed';
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}
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undef $PostMasterObject;
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$CommunicationLogObject->ObjectLogStop(
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ObjectLogType => 'Message',
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Status => $MessageStatus,
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);
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}
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# mark email to delete if it got processed
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$POPOperation->( 'delete', $Messageno, );
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Debug',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Message '$Messageno' marked for deletion.",
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);
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# check limit
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$Self->{Limit}++;
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if ( $Self->{Limit} >= $Limit ) {
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$Self->{Reconnect} = 0;
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last MESSAGE_NO;
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}
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}
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if ($CMD) {
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print "\n";
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}
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}
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}
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Info',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Fetched $FetchCounter message(s) from server ($Param{Login}/$Param{Host}).",
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);
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$POPOperation->( 'quit', );
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if ($CMD) {
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print "$AuthType: Connection to $Param{Host} closed.\n\n";
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}
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$CommunicationLogObject->ObjectLog(
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ObjectLogType => 'Connection',
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Priority => 'Debug',
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Key => 'Kernel::System::MailAccount::POP3',
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Value => "Connection to '$Param{Host}' closed.",
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);
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$CommunicationLogObject->ObjectLogStop(
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ObjectLogType => 'Connection',
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Status => $ConnectionWithErrors ? 'Failed' : 'Successful',
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);
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$CommunicationLogObject->CommunicationStop(
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Status => $ConnectionWithErrors || $MessagesWithError ? 'Failed' : 'Successful',
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);
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# return if everything is done
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return 1;
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}
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sub _ProcessFailed {
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my ( $Self, %Param ) = @_;
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# check needed stuff
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if ( !defined $Param{Email} ) {
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$Kernel::OM->Get('Kernel::System::Log')->Log(
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Priority => 'error',
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Message => "'Email' not defined!"
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);
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return;
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}
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# get content of email
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my $Content;
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for my $Line ( @{ $Param{Email} } ) {
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$Content .= $Line;
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}
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# get main object
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my $MainObject = $Kernel::OM->Get('Kernel::System::Main');
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my $Home = $Kernel::OM->Get('Kernel::Config')->Get('Home') . '/var/spool/';
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my $MD5 = $MainObject->MD5sum(
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String => \$Content,
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);
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my $Location = $Home . 'problem-email-' . $MD5;
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return $MainObject->FileWrite(
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Location => $Location,
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Content => \$Content,
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Mode => 'binmode',
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Type => 'Local',
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Permission => '640',
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||||
);
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}
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1;
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||||
Reference in New Issue
Block a user