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imapsync/S/imap_tools.V1.333/imap_to_maildir.pl
Nick Bebout 8d76e44c5e 1.836
2017-09-23 16:54:48 -05:00

1119 lines
27 KiB
Perl
Executable File

#!/usr/bin/perl
# $Header: /mhub4/sources/imap-tools/imap_to_maildir.pl,v 1.6 2015/07/07 12:05:54 rick Exp $
################################################################################
# imap_to_maildir is a utility for copying mailboxes and messages #
# from a user account on an IMAP server to a Maildir system. #
# #
# imap_to_maildir.pl is called like this: #
# ./imap_to_maildir.pl -S imaphost/user/password -u <user> -M <maildir> #
# #
# For example: ./imap_to_maildir.pl \ #
# -S imap.gmail.com:993/rsanders/mypass \ #
# -u rick \ #
# -M /users/rick/Maildir #
# Optional arguments: #
# -a <DD-MMM-YYYY> copy only messages after this date #
# -d debug #
# -I log IMAP protocol commands #
# -L logfile #
# -m mailbox list (copies only the specified mailboxes, see usage() #
################################################################################
use Socket;
use IO::Socket;
use FileHandle;
use Fcntl;
use Getopt::Std;
use File::Path qw(make_path);
use Time::HiRes;
use MIME::Base64 qw(encode_base64 decode_base64);
#################################################################
# Main program. #
#################################################################
init();
# Get list of all messages on the IMAP server
#
connectToHost($sourceHost, \$conn);
unless ( login($sourceUser,$sourcePwd, $conn) ) {
Log("Check your username and password");
print STDOUT "Login failed: Check your username and password\n";
exit;
}
@mbxs = getMailboxList($sourceUser, $conn);
namespace( $conn, \$prefix, \$delimiter, $opt_x );
foreach $mbx ( @mbxs ) {
if ( $exclude ) {
# Exclude the indicated mailboxes
if ( $mbx =~ /$exclude/i ) {
Log("Excluding $mbx");
next;
}
}
# The messages in '[Gmail]All Mail' are dups of the messages in the IMAP folders
# so skip it.
next if $mbx eq '[Gmail]All Mail';
$dstmbx = $mbx;
$dstmbx =~ s/^inbox/INBOX/i;
$dstmbx =~ s/$prefix// if $prefix;
if ( $strip_gmail ) {
$dstmbx =~ s/^\[Gmail\]//;
$dstmbx =~ s/^\///;
}
unless ( $delimiter eq '.' ) {
# Mailboxes may not contain dots, replace them with -
$dstmbx =~ s/\./-/g;
}
Log("Copying messages in $mbx mailbox") if $dump_flags;
my @msgs;
if ( $sent_after ) {
getDatedMsgList( $mbx, $sent_after, \@msgs, $conn, 'EXAMINE' );
} else {
getMsgList( $mbx, \@msgs, $conn, 'EXAMINE' );
}
my $i = $#msgs + 1;
Log(" $mbx has $i messages");
$folder = get_folder_name( $maildir, $dstmbx, $delimiter, $prefix );
build_folder( $folder, $username );
Log("folder $folder") if $debug;
my $i = $#msgs + 1;
my $msgnums;
foreach $msgnum ( @msgs ) {
($msgnum,$date,$flags,$rfc822_size) = split(/\|/, $msgnum);
$message = fetchMsg( $msgnum, $mbx, $conn );
my $size = length( $message );
$msgfile = generate_filename( $folder, $size, $rfc822_size, $flags );
next if !$msgfile; # Failed to generate a unique filename
if ( !open (M, ">$msgfile") ) {
Log("Error opening $msgfile: $!");
next;
}
Log(" Copying message $msgnum") if $debug;
print M $message;
close M;
$added++;
$msgnums .= "$msgnum ";
}
}
logout( $conn );
Log("Copied $added total messages");
exit;
sub init {
$version = 'V1.0';
$os = $ENV{'OS'};
processArgs();
if ($timeout eq '') { $timeout = 60; }
# Open the logFile
#
if ( $logfile ) {
if ( !open(LOG, ">> $logfile")) {
print STDOUT "Can't open $logfile: $!\n";
}
select(LOG); $| = 1;
}
Log("\n$0 starting");
# Determine whether we have SSL support via openSSL and IO::Socket::SSL
$ssl_installed = 1;
eval 'use IO::Socket::SSL';
if ( $@ ) {
$ssl_installed = 0;
}
if ( $dump_flags ) {
Log("Dumping only those messages with one of the following flags: $dump_flags");
}
chomp( $localhost = `uname -n` );
}
#
# sendCommand
#
# This subroutine formats and sends an IMAP protocol command to an
# IMAP server on a specified connection.
#
sub sendCommand
{
local($fd) = shift @_;
local($cmd) = shift @_;
print $fd "$cmd\r\n";
if ($showIMAP) { Log (">> $cmd",2); }
}
#
# readResponse
#
# This subroutine reads and formats an IMAP protocol response from an
# IMAP server on a specified connection.
#
sub readResponse
{
local($fd) = shift @_;
$response = <$fd>;
chop $response;
$response =~ s/\r//g;
push (@response,$response);
if ($showIMAP) { Log ("<< $response",2); }
}
#
# Log
#
# This subroutine formats and writes a log message to STDERR.
#
sub Log {
my $str = shift;
# If a logile has been specified then write the output to it
# Otherwise write it to STDOUT
if ( $logfile ) {
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime;
if ($year < 99) { $yr = 2000; }
else { $yr = 1900; }
$line = sprintf ("%.2d-%.2d-%d.%.2d:%.2d:%.2d %s %s\n",
$mon + 1, $mday, $year + $yr, $hour, $min, $sec,$$,$str);
print LOG "$line";
} else {
print STDOUT "$str\n";
}
print STDOUT "$str\n";
}
# Make a connection to an IMAP host
sub connectToHost {
my $host = shift;
my $conn = shift;
Log("Connecting to $host") if $debug;
($host,$port) = split(/:/, $host);
$port = 143 unless $port;
# We know whether to use SSL for ports 143 and 993. For any
# other ones we'll have to figure it out.
$mode = sslmode( $host, $port );
if ( $mode eq 'SSL' ) {
unless( $ssl_installed == 1 ) {
warn("You must have openSSL and IO::Socket::SSL installed to use an SSL connection");
Log("You must have openSSL and IO::Socket::SSL installed to use an SSL connection");
exit;
}
Log("Attempting an SSL connection") if $debug;
$$conn = IO::Socket::SSL->new(
Proto => "tcp",
SSL_verify_mode => 0x00,
PeerAddr => $host,
PeerPort => $port,
Domain => AF_INET,
);
unless ( $$conn ) {
$error = IO::Socket::SSL::errstr();
Log("Error connecting to $host: $error");
exit;
}
} else {
# Non-SSL connection
Log("Attempting a non-SSL connection") if $debug;
$$conn = IO::Socket::INET->new(
Proto => "tcp",
PeerAddr => $host,
PeerPort => $port,
);
unless ( $$conn ) {
Log("Error connecting to $host:$port: $@");
warn "Error connecting to $host:$port: $@";
exit;
}
}
Log("Connected to $host on port $port");
}
sub sslmode {
my $host = shift;
my $port = shift;
my $mode;
# Determine whether to make an SSL connection
# to the host. Return 'SSL' if so.
if ( $port == 143 ) {
# Standard non-SSL port
return '';
} elsif ( $port == 993 ) {
# Standard SSL port
return 'SSL';
}
unless ( $ssl_installed ) {
# We don't have SSL installed on this machine
return '';
}
# For any other port we need to determine whether it supports SSL
my $conn = IO::Socket::SSL->new(
Proto => "tcp",
SSL_verify_mode => 0x00,
PeerAddr => $host,
PeerPort => $port,
);
if ( $conn ) {
close( $conn );
$mode = 'SSL';
} else {
$mode = '';
}
return $mode;
}
# trim
#
# remove leading and trailing spaces from a string
sub trim {
local (*string) = @_;
$string =~ s/^\s+//;
$string =~ s/\s+$//;
return;
}
# login
#
# login in at the source host with the user's name and password
#
sub login {
my $user = shift;
my $pwd = shift;
my $conn = shift;
if ( $admin_user ) {
# An AUTHENTICATE = PLAIN login has been requested
($authuser,$authpwd) = split(/:/, $admin_user );
login_plain( $user, $authuser, $authpwd, $conn ) or exit;
return 1;
}
if ( $pwd =~ /^oauth2:(.+)/i ) {
$token = $1;
Log("password is an OAUTH2 token");
login_xoauth2( $user, $token, $conn );
return 1;
}
sendCommand ($conn, "1 LOGIN $user \"$pwd\"");
while (1) {
readResponse ( $conn );
if ($response =~ /^1 OK/i) {
last;
}
elsif ($response =~ /NO/) {
Log ("unexpected LOGIN response: $response");
return 0;
}
}
Log("Logged in as $user") if $debug;
return 1;
}
# login_plain
#
# login in at the source host with the user's name and password. If provided
# with administrator credential, use them as this eliminates the need for the
# user's password.
#
sub login_plain {
my $user = shift;
my $admin = shift;
my $pwd = shift;
my $conn = shift;
# Do an AUTHENTICATE = PLAIN. If an admin user has been provided then use it.
if ( !$admin ) {
# Log in as the user
$admin = $user
}
$login_str = sprintf("%s\x00%s\x00%s", $user,$admin,$pwd);
$login_str = encode_base64("$login_str", "");
$len = length( $login_str );
# sendCommand ($conn, "1 AUTHENTICATE \"PLAIN\" {$len}" );
sendCommand ($conn, "1 AUTHENTICATE PLAIN" );
my $loops;
while (1) {
readResponse ( $conn );
last if $response =~ /\+/;
if ($response =~ /^1 NO|^1 BAD|^\* BYE/i) {
Log ("unexpected LOGIN response: $response");
exit;
}
$last if $loops++ > 5;
}
sendCommand ($conn, "$login_str" );
my $loops;
while (1) {
readResponse ( $conn );
if ( $response =~ /Microsoft Exchange/i and $conn eq $dst ) {
# The destination is an Exchange server
$exchange = 1;
Log("The destination is an Exchange server");
}
last if $response =~ /^1 OK/i;
if ($response =~ /^1 NO|^1 BAD|^\* BYE/i) {
Log ("unexpected LOGIN response: $response");
exit;
}
$last if $loops++ > 5;
}
return 1;
}
# login_xoauth2
#
# login in at the source host with the user's name and an XOAUTH2 token.
#
sub login_xoauth2 {
my $user = shift;
my $token = shift;
my $conn = shift;
# Do an AUTHENTICATE = XOAUTH2 login
$login_str = encode_base64("user=". $user ."\x01auth=Bearer ". $token ."\x01\x01", '');
sendCommand ($conn, "1 AUTHENTICATE XOAUTH2 $login_str" );
my $loops;
while (1) {
readResponse ( $conn );
if ( $response =~ /^\+ (.+)/ ) {
$error = decode_base64( $1 );
Log("XOAUTH authentication as $user failed: $error");
return 0;
}
last if $response =~ /^1 OK/;
if ($response =~ /^1 NO|^1 BAD|^\* BYE|failed/i) {
Log ("unexpected LOGIN response: $response");
return 0;
}
$last if $loops++ > 5;
}
Log("login complete") if $debug;
return 1;
}
# logout
#
# log out from the host
#
sub logout {
my $conn = shift;
++$lsn;
undef @response;
sendCommand ($conn, "$lsn LOGOUT");
while ( 1 ) {
readResponse ($conn);
if ( $response =~ /^$lsn OK/i ) {
last;
}
elsif ( $response !~ /^\*/ ) {
Log ("unexpected LOGOUT response: $response");
last;
}
}
close $conn;
return;
}
# getMailboxList
#
# get a list of the user's mailboxes from the source host
#
sub getMailboxList {
my $user = shift;
my $conn = shift;
my @mbxs;
my @mailboxes;
# Get a list of the user's mailboxes
#
if ( $mbxList ) {
# The user has supplied a list of mailboxes so only processes
# the ones in that list
@mbxs = split(/,/, $mbxList);
foreach $mbx ( @mbxs ) {
trim( *mbx );
push( @mailboxes, $mbx );
}
return @mailboxes;
}
if ($debug) { Log("Get list of user's mailboxes",2); }
sendCommand ($conn, "1 LIST \"\" *");
undef @response;
while ( 1 ) {
readResponse ($conn);
if ( $response =~ /^1 OK/i ) {
last;
}
elsif ( $response !~ /^\*/ ) {
Log ("unexpected response: $response");
return 0;
}
}
%nosel_mbxs = ();
undef @mbxs;
for $i (0 .. $#response) {
$response[$i] =~ s/\s+/ /;
if ( $response[$i] =~ /"$/ ) {
$response[$i] =~ /\* LIST \((.*)\) "(.+)" "(.+)"/i;
$mbx = $3;
} elsif ( $response[$i] =~ /\* LIST \((.*)\) NIL (.+)/i ) {
$mbx= $2;
} else {
$response[$i] =~ /\* LIST \((.*)\) "(.+)" (.+)/i;
$mbx = $3;
}
$mbx =~ s/^\s+//; $mbx =~ s/\s+$//;
if ($response[$i] =~ /NOSELECT/i) {
$nosel_mbxs{"$mbx"} = 1;
}
if (($mbx =~ /^\#/) && ($user ne 'anonymous')) {
# Skip public mbxs unless we are migrating them
next;
}
if ($mbx =~ /^\./) {
# Skip mailboxes starting with a dot
next;
}
push ( @mbxs, $mbx ) if $mbx ne '';
}
if ( $mbxList ) {
# The user has supplied a list of mailboxes so only processes
# those
@mbxs = split(/,/, $mbxList);
}
return @mbxs;
}
# getMsgList
#
# Get a list of the user's messages in the indicated mailbox on
# the source host
#
sub getMsgList {
my $mailbox = shift;
my $msgs = shift;
my $conn = shift;
my $mode = shift;
my $seen;
my $empty;
my $msgnum;
my $from;
my $flags;
$mode = 'EXAMINE' unless $mode;
sendCommand ($conn, "1 $mode \"$mailbox\"");
undef @response;
$empty=0;
while ( 1 ) {
readResponse ( $conn );
if ( $response =~ / 0 EXISTS/i ) { $empty=1; }
if ( $response =~ /^1 OK/i ) {
last;
}
elsif ( $response !~ /^\*/ ) {
Log ("unexpected response: $response");
return 0;
}
}
sendCommand ( $conn, "1 FETCH 1:* (uid flags internaldate body[header.fields (From Date)] RFC822.SIZE)");
undef @response;
while ( 1 ) {
readResponse ( $conn );
if ( $response =~ /^1 OK/i ) {
last;
}
last if $response =~ /^1 NO|^1 BAD|^\* BYE/;
}
@msgs = ();
$flags = $rfc822_size = '';
for $i (0 .. $#response) {
last if $response[$i] =~ /^1 OK FETCH complete/i;
if ($response[$i] =~ /FLAGS/) {
# Get the list of flags
$response[$i] =~ /FLAGS \(([^\)]*)/;
$flags = $1;
$flags =~ s/\\Recent//;
}
if ( $response[$i] =~ /INTERNALDATE/) {
$response[$i] =~ /INTERNALDATE (.+) BODY/i;
# $response[$i] =~ /INTERNALDATE "(.+)" BODY/;
$date = $1;
$date =~ /"(.+)"/;
$date = $1;
$date =~ s/"//g;
}
if ( $response[$i] =~ /RFC822.SIZE/ ) {
$response[$i] =~ /RFC822.SIZE\s+(.+)(.*)/;
($rfc822_size) = split(/\s+/, $1);
$rfc822_size =~ s/[^\d.]//g;
}
if ( $response[$i] =~ /\* (.+) FETCH/ ) {
($msgnum) = split(/\s+/, $1);
}
if ( $msgnum and $date and $rfc822_size ) {
push (@$msgs,"$msgnum|$date|$flags|$rfc822_size");
$msgnum = $date = $rfc822_size = '';
}
}
return 1;
}
# getDatedMsgList
#
# Get a list of the user's messages in a mailbox on
# the host which were sent after the specified date
#
sub getDatedMsgList {
my $mailbox = shift;
my $cutoff_date = shift;
my $msgs = shift;
my $conn = shift;
my $oper = shift;
my ($seen, $empty, @list,$msgid, $rfc822_size);
# Get a list of messages sent after the specified date
@list = ();
@$msgs = ();
sendCommand ($conn, "1 $oper \"$mailbox\"");
while ( 1 ) {
readResponse ($conn);
if ( $response =~ / EXISTS/i) {
$response =~ /\* ([^EXISTS]*)/;
# Log(" There are $1 messages in $mailbox");
} elsif ( $response =~ /^1 OK/i ) {
last;
} elsif ( $response =~ /^1 NO/i ) {
Log ("unexpected SELECT response: $response");
return 0;
} elsif ( $response !~ /^\*/ ) {
Log ("unexpected SELECT response: $response");
return 0;
}
}
my ($date,$ts) = split(/\s+/, $cutoff_date);
#
# Get list of messages sent before the reference date
#
Log("Get messages sent after $date") if $debug;
$nums = "";
sendCommand ($conn, "1 SEARCH SINCE \"$date\"");
while ( 1 ) {
readResponse ($conn);
if ( $response =~ /^1 OK/i ) {
last;
}
elsif ( $response =~ /^\*\s+SEARCH/i ) {
($nums) = ($response =~ /^\*\s+SEARCH\s+(.*)/i);
}
elsif ( $response !~ /^\*/ ) {
Log ("unexpected SEARCH response: $response");
return;
}
}
Log("$nums") if $debug;
if ( $nums eq "" ) {
Log (" $mailbox has no messages sent before $date") if $debug;
return;
}
my @number = split(/\s+/, $nums);
$n = $#number + 1;
$nums =~ s/\s+/ /g;
@msgList = ();
@msgList = split(/ /, $nums);
if ($#msgList == -1) {
# No msgs in this mailbox
return 1;
}
$n = $#msgList + 1;
Log(" $mailbox has $n messages after $sent_after");
@$msgs = ();
for $num (@msgList) {
sendCommand ( $conn, "1 FETCH $num (uid flags internaldate body[header.fields (Message-Id Date)] RFC822.SIZE)");
undef @response;
while ( 1 ) {
readResponse ( $conn );
if ( $response =~ /^1 OK/i ) {
last;
}
last if $response =~ /^1 NO|^1 BAD|^\* BYE/;
}
$flags = $rfc822_size = '';
my $msgid;
foreach $_ ( @response ) {
last if /^1 OK FETCH complete/i;
if ( /FLAGS/ ) {
# Get the list of flags
/FLAGS \(([^\)]*)/;
$flags = $1;
$flags =~ s/\\Recent//;
}
if ( /Message-Id:\s*(.+)/i ) {
$msgid = $1;
}
if ( /INTERNALDATE/) {
/INTERNALDATE (.+) BODY/i;
$date = $1;
$date =~ /"(.+)"/;
$date = $1;
$date =~ s/"//g;
#### next if check_cutoff_date( $date, $cutoff_date );
}
if ( /RFC822.SIZE/ ) {
/RFC822.SIZE\s+(.+)(.*)/;
$rfc822_size = $1;
$rfc822_size =~ s/[^\d.]//g;
}
if ( /\* (.+) FETCH/ ) {
($msgnum) = split(/\s+/, $1);
}
if ( $msgnum and $date and $rfc822_size ) {
push (@$msgs,"$msgnum|$date|$flags|$msgid|$rfc822_size");
$msgnum=$msgid=$date=$flags=$rfc822_size='';
}
}
}
foreach $_ ( @$msgs ) {
Log("getDated found $_") if $debug;
}
return 1;
}
sub fetchMsg {
my $msgnum = shift;
my $mbx = shift;
my $conn = shift;
my $message;
Log(" Fetching msg $msgnum...") if $debug;
sendCommand( $conn, "1 FETCH $msgnum (rfc822)");
while (1) {
readResponse ($conn);
if ( $response =~ /^1 OK/i ) {
$size = length($message);
last;
}
elsif ($response =~ /message number out of range/i) {
Log ("Error fetching uid $uid: out of range",2);
$stat=0;
last;
}
elsif ( $response =~ /^1 NO|^1 BAD/ ) {
Log("$response");
return 0;
}
elsif ($response =~ /Bogus sequence in FETCH/i) {
Log ("Error fetching uid $uid: Bogus sequence in FETCH",2);
$stat=0;
last;
}
elsif ( $response =~ /message could not be processed/i ) {
Log("Message could not be processed, skipping it ($user,msgnum $msgnum,$destMbx)");
push(@errors,"Message could not be processed, skipping it ($user,msgnum $msgnum,$destMbx)");
$stat=0;
last;
}
elsif
($response =~ /^\*\s+$msgnum\s+FETCH\s+\(.*RFC822\s+\{[0-9]+\}/i) {
($len) = ($response =~ /^\*\s+$msgnum\s+FETCH\s+\(.*RFC822\s+\{([0-9]+)\}/i);
$cc = 0;
$message = "";
while ( $cc < $len ) {
$n = 0;
$n = read ($conn, $segment, $len - $cc);
if ( $n == 0 ) {
Log ("unable to read $len bytes");
return 0;
}
$message .= $segment;
$cc += $n;
}
}
}
return $message;
}
sub usage {
print STDOUT "usage:\n";
print STDOUT " imap_to_maildir.pl -S Host/User/Password -u <user> -M <maildir>\n";
print STDOUT " <dir> is the file directory to write the message structure\n";
print STDOUT " Optional arguments:\n";
print STDOUT " -d debug\n";
print STDOUT " -I log IMAP commands\n";
print STDOUT " -L logfile\n";
print STDOUT " -m mailbox list (eg \"Inbox,Drafts,Notes\". Default is all mailboxes)\n";
print STDOUT " -a <DD-MMM-YYYY> copy only messages after this date\n";
print STDOUT " -e <mailboxes to exclude> Regular expression, eg -e \"Sales|Drafts|^Notes\"";
print STDOUT " -A <admin_user:admin_pwd>\n";
print STDOUT " -G source is Gmail; strip [Gmail] from folder names\n";
exit;
}
sub processArgs {
if ( !getopts( "dS:L:m:u:M::hf:F:Ia:x,e:A:F:G" ) ) {
usage();
}
if ( $opt_S =~ /\\/ ) {
($sourceHost, $sourceUser, $sourcePwd) = split(/\\/, $opt_S);
} else {
($sourceHost, $sourceUser, $sourcePwd) = split(/\//, $opt_S);
}
$username = $opt_u;
$maildir = $opt_M;
$mbxList = $opt_m;
$exclude = $opt_e;
$logfile = $opt_L;
$debug = 1 if $opt_d;
$showIMAP = 1 if $opt_I;
$strip_gmail = 1 if $opt_G;
$sent_after = $opt_a;
$admin_user = $opt_A;
$msgs_per_folder = $opt_F;
if ( !$maildir or !$username ) {
print "You must specify the username and the directory where the user's Maildir is located\n";
print "For example: -u rick -M /mhub4/rick/Maildir.\n";
usage();
exit;
}
if ( !-d $maildir ) {
# Create the maildir directory
make_path( $maildir );
}
validate_date( $sent_after ) if $sent_after;
if ( $dump_flags ) {
foreach my $flag ( split(/,/, $dump_flags) ) {
$flag = ucfirst( lc($flag) );
$flag = 'Seen' if $flag eq 'Read';
$flag = 'Unseen' if $flag eq 'Unread';
$dump_flags{$flag} = 1;
}
}
if ( $extension ) {
$extension = '.' . $extension unless $extension =~ /^\./;
}
usage() if $opt_h;
}
sub flags_ok {
my $flags = shift;
my $ok = 0;
# If the user has specified that only messages with
# certain flags be dumped then honor his request.
return 1 unless %dump_flags;
$flags =~ s/\\//g;
Log("flags $flags") if $debug;
foreach $flag ( split(/\s+/, $flags) ) {
$flag = ucfirst( lc($flag) );
$ok = 1 if $dump_flags{$flag};
}
# Special case for Unseen messages for which there isn't a
# standard flag.
if ( $dump_flags{Unseen} ) {
# Unseen messages should be dumped too.
$ok = 1 unless $flags =~ /Seen/;
}
return $ok;
}
sub validate_date {
my $date = shift;
my $invalid;
# Make sure the "after" date is in DD-MMM-YYYY format
my ($day,$month,$year) = split(/-/, $date);
$invalid = 1 unless ( $day > 0 and $day < 32 );
$invalid = 1 unless $month =~ /Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec/i;
$invalid = 1 unless $year > 1900 and $year < 2999;
if ( $invalid ) {
Log("The 'Sent after' date $date must be in DD-MMM-YYYY format");
exit;
}
Log("Searching for messages after $date");
}
sub generate_filename {
my $folder = shift;
my $size = shift;
my $rfc822_size = shift;
my $flags = shift;
my $status;
my $tries;
my $msgfn;
my $seen;
# Get a unique filename
Log("Generate a filename") if $debug;
$seen = ',S' if $flags =~ /Seen/;
while( 1 ) {
my $now = time();
my ($sec, $msec) = Time::HiRes::gettimeofday();
$msgfn = $sec . '.M' . $msec . 'P' . $$ . '.' . "$localhost,S=$size,W=$rfc822_size:2$seen";
$msgfn = $folder . '/cur/' . $msgfn;
last if $tries++ > 100;
next if -e $msgfn;
}
return $msgfn;
}
sub get_folder_name {
my $maildir = shift;
my $mbx = shift;
my $delimiter = shift;
my $prefix = shift;
# Convert an IMAP mailbox name to a Maildir folder name. IMAP mbxs
# are hierarchal while Maildir folders are flat and must start with
# a '.' character.
Log("Convert IMAP mbx $mbx name to Maildir folder name") if $debug;
my $folder = $maildir . '/';
if ( uc( $mbx ) eq 'INBOX' ) {
# Inbox is special case
return $maildir;
}
$delimiter = "\\." if $delimiter eq '.';
foreach my $term ( split(/$delimiter/, $mbx ) ) {
$folder .= '.' . $term;
}
return $folder;
}
sub build_folder {
my $folder = shift;
my $username = shift;
my @subdirs = qw( new cur tmp );
Log("Create the directories for the $folder folder");
make_path( $folder );
if ( !-d "$folder" ) {
Log("Error creating $folder");
exit;
}
foreach my $subdir ( @subdirs ) {
my $dir = "$folder/$subdir";
make_path( "$dir" ) if !-d "$dir";
if ( !-d "$dir" ) {
Log("Error creating $dir");
exit;
}
}
if ( $os !~ /Windows/i ) {
my $stat = `chown -R $username "$folder" 2>&1`;
if ( $stat ) {
Log("Failed to chown $username for $folder: $stat");
exit;
}
}
}
sub namespace {
my $conn = shift;
my $prefix = shift;
my $delimiter = shift;
my $mbx_delim = shift;
# Query the server with NAMESPACE so we can determine its
# mailbox prefix (if any) and hierachy delimiter.
if ( $mbx_delim ) {
# The user has supplied a mbx delimiter and optionally a prefix.
Log("Using user-supplied mailbox hierarchy delimiter $mbx_delim");
($$delimiter,$$prefix) = split(/\s+/, $mbx_delim);
return;
}
@response = ();
sendCommand( $conn, "1 NAMESPACE");
while ( 1 ) {
readResponse( $conn );
if ( $response =~ /^1 OK/i ) {
last;
} elsif ( $response =~ /^1 NO|^1 BAD|^\* BYE/i ) {
Log("Unexpected response to NAMESPACE command: $response");
last;
}
}
foreach $_ ( @response ) {
if ( /NAMESPACE/i ) {
my $i = index( $_, '((' );
my $j = index( $_, '))' );
my $val = substr($_,$i+2,$j-$i-3);
($val) = split(/\)/, $val);
($$prefix,$$delimiter) = split( / /, $val );
$$prefix =~ s/"//g;
$$delimiter =~ s/"//g;
last;
}
last if /^1 NO|^1 BAD|^\* BYE/;
}
unless ( $$delimiter ) {
# NAMESPACE command is not supported by the server
# so we will have to figure it out another way.
$delim = getDelimiter( $conn );
$$delimiter = $delim;
$$prefix = '';
}
if ( $debug ) {
Log("prefix >$$prefix<");
Log("delim >$$delimiter<");
}
}