/
archive_imessage.pl
executable file
·1140 lines (963 loc) · 35.5 KB
/
archive_imessage.pl
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#!/usr/bin/perl -w
use warnings;
use strict;
use Digest::SHA1 qw(sha1_hex);
use DBI;
use Encode qw( decode_utf8 );
use POSIX;
use File::Copy;
use MIME::Base64;
use File::Slurp;
use Regexp::Common qw/URI/;
my $VERSION = '0.0.1';
my $gaptime = (30 * 60);
my $timezone = strftime('%Z', localtime());
my $now = time();
my $homedir = $ENV{'HOME'};
# Fixes unicode dumping to stdio...hopefully you have a utf-8 terminal by now.
#binmode(STDOUT, ":utf8");
#binmode(STDERR, ":utf8");
sub fail {
my $err = shift;
die("$err\n");
}
sub signal_catcher {
my $sig = shift;
fail("Caught signal ${sig}!");
}
$SIG{INT} = \&signal_catcher;
$SIG{TERM} = \&signal_catcher;
$SIG{HUP} = \&signal_catcher;
my $debug = 0;
sub dbgprint {
print @_ if $debug;
}
my $archivedir = undef;
my $imessageuser = undef;
my $imessageuserhost = undef;
my $imessageuserlongname = undef;
my $imessageusershortname = undef;
my $maildir = undef;
my $allow_html = 0;
my $report_progress = 0;
my $attachment_shrink_percent = undef;
my $allow_video_attachments = 1;
my $allow_attachments = 1;
my $allow_thumbnails = 1;
my $ios_archive = 0;
sub usage {
print STDERR "USAGE: $0 [...options...] <backupdir> <maildir>\n";
print STDERR "\n";
print STDERR " --debug: Enable spammy debug logging to stdout.\n";
print STDERR " --html: Output HTML archives.\n";
print STDERR " --progress: Print progress to stdout.\n";
print STDERR " --attachments-shrink-percent=NUM: resize videos/images to NUM percent.\n";
print STDERR " --no-video-attachments: Don't include image/video attachments.\n";
print STDERR " --no-attachments: Don't include attachments at all.\n";
print STDERR " --no-thumbnails: Don't include thumbnails in HTML output.\n";
print STDERR " --gap-time=NUM: treat NUM minutes of silence as the end of a conversation.\n";
print STDERR " backupdir: Directory holding unencrypted iPhone backup.\n";
print STDERR " maildir: Path of Maildir where we write archives and metadata.\n";
print STDERR "\n";
print STDERR "This program needs ffmpeg in your \$PATH for various tasks.\n";
print STDERR " Thumbnails in HTML output, and shrinking attachments both need it.\n";
print STDERR "\n";
exit(1);
}
foreach (@ARGV) {
$debug = 1, next if $_ eq '--debug';
$debug = 0, next if $_ eq '--no-debug';
$allow_html = 1, next if $_ eq '--html';
$allow_html = 0, next if $_ eq '--no-html';
$report_progress = 1, next if $_ eq '--progress';
$report_progress = 0, next if $_ eq '--no-progress';
$allow_video_attachments = 1, next if $_ eq '--video-attachments';
$allow_video_attachments = 0, next if $_ eq '--no-video-attachments';
$allow_attachments = 1, next if $_ eq '--attachments';
$allow_attachments = 0, next if $_ eq '--no-attachments';
$allow_thumbnails = 1, next if $_ eq '--thumbnails';
$allow_thumbnails = 0, next if $_ eq '--no-thumbnails';
$attachment_shrink_percent = int($1), next if /\A--attachments-shrink-percent=(\d+)\Z/;
$gaptime = int($1) * 60, next if /\A--gap-time=(\d+)\Z/;
$archivedir = $_, next if not defined $archivedir;
$maildir = $_, next if (not defined $maildir);
usage();
}
usage() if not defined $archivedir;
usage() if not defined $maildir;
if ((defined $attachment_shrink_percent) && ($attachment_shrink_percent == 100)) {
$attachment_shrink_percent = undef;
} elsif ((defined $attachment_shrink_percent) && (($attachment_shrink_percent < 1) || ($attachment_shrink_percent > 100))) {
fail("--attachments-shrink-percent must be between 1 and 100.");
}
sub archive_fname {
my $domain = shift;
my $name = shift;
if ($ios_archive) {
my $combined = "$domain-$name";
my $hashed = sha1_hex($combined);
dbgprint("Hashed archived filename '$combined' to '$hashed'\n");
return "$archivedir/$hashed";
}
return "$archivedir/$name";
}
fail("ERROR: Directory '$archivedir' doesn't exist.") if (not -d $archivedir);
if (-f "$archivedir/Manifest.mbdb") {
$ios_archive = 1;
} elsif (-f "$archivedir/chat.db") {
$ios_archive = 0;
} else {
fail("ERROR: '$archivedir' isn't a macOS Messages directory or an iOS backup.\n");
}
if ($ios_archive) {
dbgprint("Chat database is in an iOS backup.\n");
} else {
dbgprint("Chat database is in a macOS install.\n");
}
my $startid = 0;
my %startids = ();
my $lastarchivefname = undef;
my $lastarchivetmpfname = undef;
sub flush_startid {
my ($with, $msgid) = @_;
if (defined $with and defined $msgid) {
$startids{$with} = $msgid;
dbgprint("flushing startids (global: $startid, '$with': $msgid)\n");
} else {
dbgprint("flushing startids (global: $startid)\n");
}
if (not open(LASTID,'>',$lastarchivetmpfname)) {
dbgprint("Open '$lastarchivetmpfname' for write failed: $!\n");
return 0;
}
print LASTID "$startid\n";
foreach(keys %startids) {
my $key = $_;
my $val = $startids{$key};
print LASTID "$key\n$val\n";
}
close(LASTID);
if (not move($lastarchivetmpfname, $lastarchivefname)) {
unlink($lastarchivetmpfname);
dbgprint("Rename '$lastarchivetmpfname' to '$lastarchivefname' failed: $!\n");
return 0;
}
return 1;
}
sub slurp_archived_file {
my ($domain, $fname, $fdataref) = @_;
my $hashedfname = archive_fname($domain, $fname);
if (not -f $hashedfname) {
if ($ios_archive) {
print STDERR "WARNING: Missing attachment '$hashedfname' ('$domain', '$fname')\n";
} else {
print STDERR "WARNING: Missing attachment '$hashedfname'\n";
}
$$fdataref = '[MISSING]';
return 0;
}
if ((not defined read_file($hashedfname, buf_ref => $fdataref, binmode => ':raw', err_mode => 'carp')) or (not defined $fdataref)) {
fail("Couldn't read attachment '$hashedfname': $!");
}
return 1;
}
sub load_attachment {
my $origfname = shift;
my $hashedfname = shift;
my $fdataref = shift;
my $mimetype = shift;
my $is_image = $mimetype =~ /\Aimage\//;
my $is_video = $mimetype =~ /\Avideo\//;
if ((defined $attachment_shrink_percent) && ($is_image || $is_video)) {
my $is_jpeg = $mimetype eq 'image/jpeg';
my $fmt = $is_jpeg ? '-f mjpeg' : '';
my $transpose = $is_jpeg ? 'transpose=1,' : '';
my $fract = $attachment_shrink_percent / 100.0;
my $basefname = $origfname;
$basefname =~ s#.*/##;
my $outfname = "$maildir/tmp/imessage-chatlog-tmp-$$-attachment-shrink-$basefname";
my $cmdline = "ffmpeg $fmt $transpose -i '$hashedfname' -vf \"${transpose}scale='trunc(iw*$fract)+mod(trunc(iw*$fract),2)':'trunc(ih*$fract)+mod(trunc(ih*$fract),2)'\" '$outfname' 2>/dev/null";
dbgprint("shrinking attachment: $cmdline\n");
die("ffmpeg failed ('$cmdline')") if (system($cmdline) != 0);
read_file($outfname, buf_ref => $fdataref, binmode => ':raw', err_mode => 'carp');
unlink($outfname);
} else {
read_file($hashedfname, buf_ref => $fdataref, binmode => ':raw', err_mode => 'carp');
}
}
my %longnames = ();
my %shortnames = ();
# !!! FIXME: this should probably go in a hash or something.
my $outperson = undef;
my $outmsgid = undef;
my $outhandle_id = undef;
my $outid = undef;
my $outtimestamp = undef;
my $outhasfromme = 0;
my $outhasfromthem = 0;
my $outhasfromme_a = 0;
my $outhasfromme_sms = 0;
my $outhasfromme_sms_a = 0;
my $output_text = '';
my $output_html = '';
my @output_attachments = ();
sub flush_conversation {
return if (not defined $outmsgid);
my $trash = shift;
dbgprint("Flushing conversation! trash=$trash\n");
if ($trash) {
$output_text = '';
$output_html = '';
@output_attachments = ();
return;
}
fail("message id went backwards?!") if ($startids{$outhandle_id} > $outmsgid);
$output_text =~ s/\A\n+//;
$output_text =~ s/\n+\Z//;
my $tmpemail = "$maildir/tmp/imessage-chatlog-tmp-$$.txt";
open(TMPEMAIL,'>',$tmpemail) or fail("Failed to open '$tmpemail': $!");
#binmode(TMPEMAIL, ":utf8");
my $emaildate = strftime('%a, %d %b %Y %H:%M %Z', localtime($outtimestamp));
my $localdate = strftime('%Y-%m-%d %H:%M:%S %Z', localtime($outtimestamp));
# !!! FIXME: make sure these don't collide.
my $mimesha1 = sha1_hex($output_text);
my $mimeboundarymixed = "mime_imessage_mixed_$mimesha1";
my $mimeboundaryalt = "mime_imessage_alt_$mimesha1";
my $has_attachments = scalar(@output_attachments) > 0;
my $is_mime = $allow_html || $has_attachments;
my $content_type_mixed = "multipart/mixed; boundary=\"$mimeboundarymixed\"";
my $content_type_alt = $allow_html ? "multipart/alternative; boundary=\"$mimeboundaryalt\"; charset=\"utf-8\"" : 'text/plain; charset="utf-8"';
my $initial_content_type = $has_attachments ? $content_type_mixed : $content_type_alt;
print TMPEMAIL <<EOF
Return-Path: <$imessageuser>
Delivered-To: $imessageuser
From: $imessageuserlongname <$imessageuser>
To: $imessageuserlongname <$imessageuser>
Date: $emaildate
Subject: Chat with $outperson at $localdate ...
MIME-Version: 1.0
Content-Type: $initial_content_type
Content-Transfer-Encoding: binary
X-Mailer: archive_imessage.pl $VERSION
EOF
;
if ($is_mime) {
print TMPEMAIL "This is a multipart message in MIME format.\n\n";
}
if (@output_attachments) {
print TMPEMAIL <<EOF
--$mimeboundarymixed
Content-Type: $content_type_alt
Content-Transfer-Encoding: binary
EOF
;
}
if (not $allow_html) {
print TMPEMAIL "$output_text";
print TMPEMAIL "\n\n";
} else {
# This <style> section is largely based on:
# https://codepen.io/samuelkraft/pen/Farhl/
print TMPEMAIL <<EOF
--$mimeboundaryalt
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: binary
$output_text
--$mimeboundaryalt
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: binary
<html><head><title>Chat with $outperson at $localdate ...</title><style>
body {
font-family: "Helvetica Neue";
font-size: 20px;
font-weight: normal;
}
section {
max-width: 450px;
margin: 50px auto;
}
section div {
max-width: 255px;
word-wrap: break-word;
margin-bottom: 10px;
line-height: 24px;
}
.clear {
clear: both;
}
EOF
;
# Don't output parts of the CSS we don't need to save a little space.
if ($outhasfromme) {
print TMPEMAIL <<EOF
.from-me {
position: relative;
padding: 10px 20px;
color: white;
background: #0B93F6;
border-radius: 25px;
float: right;
}
.from-me:before {
content: "";
position: absolute;
z-index: -1;
bottom: -2px;
right: -7px;
height: 20px;
border-right: 20px solid #0B93F6;
border-bottom-left-radius: 16px 14px;
transform: translate(0, -2px);
}
.from-me:after {
content: "";
position: absolute;
z-index: 1;
bottom: -2px;
right: -56px;
width: 26px;
height: 20px;
background: white;
border-bottom-left-radius: 10px;
transform: translate(-30px, -2px);
}
EOF
;
}
if ($outhasfromme_a) {
print TMPEMAIL <<EOF
.from-me a {
color: white;
background: #0B93F6;
}
EOF
;
}
if ($outhasfromme_sms) {
print TMPEMAIL <<EOF
.sms {
background: #04D74A;
}
.sms:before {
border-right: 20px solid #04D74A;
}
EOF
;
}
if ($outhasfromme_sms_a) {
print TMPEMAIL <<EOF
.sms a {
color: white;
background: #04D74A;
}
EOF
;
}
if ($outhasfromthem) {
print TMPEMAIL <<EOF
.from-them {
position: relative;
padding: 10px 20px;
background: #E5E5EA;
border-radius: 25px;
color: black;
float: left;
}
.from-them:before {
content: "";
position: absolute;
z-index: 2;
bottom: -2px;
left: -7px;
height: 20px;
border-left: 20px solid #E5E5EA;
border-bottom-right-radius: 16px 14px;
transform: translate(0, -2px);
}
.from-them:after {
content: "";
position: absolute;
z-index: 3;
bottom: -2px;
left: 4px;
width: 26px;
height: 20px;
background: white;
border-bottom-right-radius: 10px;
transform: translate(-30px, -2px);
}
EOF
;
}
print TMPEMAIL <<EOF
</style></head><body><section>
$output_html</section></body></html>
--$mimeboundaryalt--
EOF
;
}
if (@output_attachments) {
my %used_fnames = ();
while (@output_attachments) {
my $fname = shift @output_attachments;
my $mimetype = shift @output_attachments;
my $domain = 'MediaDomain';
$fname =~ s#\A\~/#$homedir/# if (not $ios_archive);
$fname =~ s#\A\~/## if ($ios_archive);
$fname =~ s#\A/var/mobile/## if ($ios_archive);
my $hashedfname = archive_fname($domain, $fname);
my $fdata = undef;
if (not -f $hashedfname) {
if ($ios_archive) {
print STDERR "WARNING: Missing attachment '$hashedfname' ('$domain', '$fname')\n";
} else {
print STDERR "WARNING: Missing attachment '$hashedfname'\n";
}
} else {
load_attachment($fname, $hashedfname, \$fdata, $mimetype);
if ($ios_archive) {
print STDERR "WARNING: Failed to load '$hashedfname' ('$domain', '$fname')\n" if (not defined $fdata);
} else {
print STDERR "WARNING: Failed to load '$hashedfname'\n" if (not defined $fdata);
}
}
$fname =~ s#\A.*/##;
my $tmpfname = $fname;
my $counter = 0;
while (defined $used_fnames{$tmpfname}) {
$counter++;
$tmpfname = "$counter-$fname";
}
$fname = $tmpfname;
$used_fnames{$fname} = 1;
if (not defined $fdata) {
print TMPEMAIL <<EOF
--$mimeboundarymixed
Content-Disposition: attachment; filename="$fname"
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: binary
This file was missing in the iPhone backup (or there was a bug) when this
archive was produced. Sorry!
EOF
;
} else {
print TMPEMAIL <<EOF
--$mimeboundarymixed
Content-Disposition: attachment; filename="$fname"
Content-Type: $mimetype
Content-Transfer-Encoding: base64
EOF
;
print TMPEMAIL encode_base64($fdata);
print TMPEMAIL "\n";
$fdata = undef;
}
}
print TMPEMAIL "--$mimeboundarymixed--\n\n";
}
close(TMPEMAIL);
$output_text = '';
$output_html = '';
@output_attachments = ();
my $size = (stat($tmpemail))[7];
my $t = $outtimestamp;
my $outfile = "$t.$outid.imessage-chatlog.$imessageuser,S=$size";
$outfile =~ s#/#_#g;
$outfile = "$maildir/new/$outfile";
if (move($tmpemail, $outfile)) {
utime $t, $t, $outfile; # force it to collection creation time.
dbgprint "archived '$outfile'\n";
system("cat $outfile") if ($debug);
} else {
unlink($outfile);
fail("Rename '$tmpemail' to '$outfile' failed: $!");
}
# !!! FIXME: this may cause duplicates if there's a power failure RIGHT HERE.
if (not flush_startid($outhandle_id, $outmsgid)) {
unlink($outfile);
fail("didn't flush startids");
}
}
sub split_date_time {
my $timestamp = shift;
my $date = strftime('%Y-%m-%d', localtime($timestamp));
my $time = strftime('%H:%M', localtime($timestamp));
dbgprint("split $timestamp => '$date', '$time'\n");
return ($date, $time);
}
# don't care if these fail.
mkdir("$maildir", 0700);
mkdir("$maildir/tmp", 0700);
mkdir("$maildir/cur", 0700);
mkdir("$maildir/new", 0700);
$lastarchivetmpfname = "$maildir/tmp_imessage_last_archive_msgids.txt";
unlink($lastarchivetmpfname);
$lastarchivefname = "$maildir/imessage_last_archive_msgids.txt";
if (open(LASTID,'<',$lastarchivefname)) {
my $globalid = <LASTID>;
chomp($globalid);
$startid = $globalid if ($globalid =~ /\A\d+\Z/);
dbgprint("startid (global) == $globalid\n");
while (not eof(LASTID)) {
my $user = <LASTID>;
chomp($user);
my $id = <LASTID>;
chomp($id);
if ($id =~ /\A\d+\Z/) {
$startids{$user} = $id;
dbgprint("startid '$user' == $id\n");
}
}
close(LASTID);
}
my $stmt;
my $dbname = archive_fname('HomeDomain', $ios_archive ? 'Library/SMS/sms.db' : 'chat.db');
dbgprint("message database is '$dbname'\n");
my $db = DBI->connect("DBI:SQLite:dbname=$dbname", '', '', { RaiseError => 0 })
or fail("Couldn't open message database at '$archivedir/$dbname': " . $DBI::errstr);
dbgprint("Sorting out real names...\n");
sub parse_addressbook_name {
my @lookuprow = @_;
my $address = shift @lookuprow;
my $nickname = shift @lookuprow;
my $firstname = $lookuprow[0];
my $proper = undef;
dbgprint("ADDRESSBOOK NICKNAME: $nickname\n") if defined $nickname;
foreach (@lookuprow) {
next if not defined $_;
dbgprint("ADDRESSBOOK ROW: $_\n");
$proper .= ' ' if defined $proper;
$proper .= $_;
}
if (defined $nickname) {
if (not defined $proper) {
$proper = $nickname;
} else {
$proper .= " (\"$nickname\")";
}
}
if (not defined $proper) {
dbgprint("WARNING: No proper name in the address book for '$address'\n");
$proper = $address;
}
my $longname = $proper;
my $shortname;
if (defined $nickname) {
$shortname = $nickname;
} elsif (defined $firstname) {
$shortname = $firstname;
} else {
$shortname = $proper;
}
return ($longname, $shortname);
}
my $addressbookdbname = undef; # only used on iOS archives right now.
my $addressbookdb = undef; # only used on iOS archives right now.
my $lookupstmt = undef; # only used on iOS archives right now.
if ($ios_archive) {
$addressbookdbname = archive_fname('HomeDomain', 'Library/AddressBook/AddressBook.sqlitedb');
dbgprint("address book database is '$addressbookdbname'\n");
$addressbookdb = DBI->connect("DBI:SQLite:dbname=$addressbookdbname", '', '', { RaiseError => 0 })
or fail("Couldn't open addressbook database at '$archivedir/$addressbookdbname': " . $DBI::errstr);
$lookupstmt = $addressbookdb->prepare('select c15Phone, c16Email, c11Nickname, c0First, c2Middle, c1Last from ABPersonFullTextSearch_content where ((c15Phone LIKE ?) or (c16Email LIKE ?)) limit 1;')
or fail("Couldn't prepare name lookup SELECT statement: " . $DBI::errstr);
}
sub lookup_ios_address {
my $address = shift;
my $like = "%$address%";
$lookupstmt->execute($like, $like) or fail("Couldn't execute name lookup SELECT statement: " . $DBI::errstr);
my @lookuprow = $lookupstmt->fetchrow_array();
if (@lookuprow) {
my $phone = shift @lookuprow;
my $email = shift @lookuprow;
dbgprint("EMAIL: $email\n") if defined $email;
dbgprint("PHONE: $phone\n") if defined $phone;
} else {
@lookuprow = (undef, undef, undef, undef);
}
return @lookuprow;
}
my %mac_addressbook = ();
if (not $ios_archive) {
%mac_addressbook = ();
open(HELPERIO, '-|', "./dump_mac_addressbook") or die("Can't run ./dump_mac_addressbook: $!\n");
my @lines = ();
while (<HELPERIO>) {
chomp;
dbgprint("dump_mac_addressbook line: '$_'\n");
push @lines, $_;
}
close(HELPERIO);
my @person = ();
while (@lines) {
for (my $i = 0; $i < 4; $i++ ) {
my $x = shift @lines;
last if not defined $x;
push @person, $x eq '' ? undef : $x;
}
if (scalar(@person) != 4) {
dbgprint("incomplete record from dump_mac_addressbook!\n");
last;
} elsif ($debug) {
my ($a, $b, $c, $d) = @person;
$a = '' if not defined $a;
$b = '' if not defined $b;
$c = '' if not defined $c;
$d = '' if not defined $d;
dbgprint("Person from dump_mac_addressbook: [$a] [$b] [$c] [$d]\n");
}
# Phone numbers...flatten them down.
while (@lines) {
my $x = shift @lines;
last if (not defined $x) || ($x eq '');
$x =~ s/[^0-9]//g; # flatten.
$mac_addressbook{$x} = [ @person ];
dbgprint("Person phone: [$x]\n");
}
# Emails...lowercase them.
while (@lines) {
my $x = shift @lines;
last if (not defined $x) || ($x eq '');
$mac_addressbook{lc($x)} = [ @person ];
dbgprint("Person email: [$x]\n");
}
@person = ();
}
dbgprint("Done pulling in Mac address book.\n");
}
sub lookup_macos_address {
my $address = shift;
# !!! FIXME: this all sucks.
my $phone = $address;
$phone =~ s/\A\+1//;
$phone =~ s/[^0-9]//g; # flatten.
my $email = lc($address);
my @lookuprow = ();
foreach (keys(%mac_addressbook)) {
if ( (($email ne '') && (index($_, $email) != -1)) ||
(($phone ne '') && (index($_, $phone) != -1)) ) {
my $person = $mac_addressbook{$_};
@lookuprow = @$person;
last;
}
}
while (scalar(@lookuprow) < 4) {
push @lookuprow, undef;
}
return @lookuprow;
}
sub lookup_address {
my ($handleid, $address) = @_;
dbgprint("looking for $address...\n");
my @lookuprow = $ios_archive ? lookup_ios_address($address) : lookup_macos_address($address);
($longnames{$handleid}, $shortnames{$handleid}) = parse_addressbook_name($address, @lookuprow);
dbgprint("longname for $address ($handleid) == " . $longnames{$handleid} . "\n");
dbgprint("shortname for $address ($handleid) == " . $shortnames{$handleid} . "\n");
}
$stmt = $db->prepare('select m.handle_id, h.id from handle as h inner join (select distinct handle_id from message) m on m.handle_id=h.ROWID;')
or fail("Couldn't prepare distinct address SELECT statement: " . $DBI::errstr);
$stmt->execute() or fail("Couldn't execute distinct address SELECT statement: " . $DBI::errstr);
while (my @row = $stmt->fetchrow_array()) {
lookup_address(@row);
}
$stmt = $db->prepare('select distinct account from message;')
or fail("Couldn't prepare distinct account SELECT statement: " . $DBI::errstr);
$stmt->execute() or fail("Couldn't execute distinct address SELECT statement: " . $DBI::errstr);
my $default_account = undef;
while (my @row = $stmt->fetchrow_array()) {
my $account = shift @row;
next if not defined $account;
my $address = $account;
$address =~ s/\A[ep]\://i or fail("Unexpected account format '$account'");
dbgprint("distinct account: '$account' -> '$address'\n");
lookup_address($account, $address);
$default_account = $account if not defined $default_account; # oh well.
}
if (not defined $default_account) {
dbgprint("Ugh, forcing a default account.\n");
$default_account = 'e:donotreply@icloud.com'; # oh well.
$longnames{$default_account} = 'Unknown User';
$shortnames{$default_account} = 'Unknown';
}
%mac_addressbook = (); # dump all this, we're done with it.
$lookupstmt = undef;
$addressbookdb->disconnect() if (defined $addressbookdb);
$addressbookdb = undef;
dbgprint("Parsing messages...\n");
sub talk_gap {
my ($a, $b) = @_;
my $time1 = ($a < $b) ? $a : $b;
my $time2 = ($a < $b) ? $b : $a;
return (($time2 - $time1) >= $gaptime);
}
my $lastspeaker = '';
my $lastdate = 0;
my $lastday = '';
my $lasthandle_id = 0;
my $alias = undef;
my $thisimessageuseralias = undef;
my $startmsgid = undef;
my $newestmsgid = 0;
my $donerows = 0;
my $totalrows = undef;
my $percentdone = -1;
$stmt = $db->prepare('select ROWID from message order by ROWID desc limit 1;') or fail("Couldn't prepare row count SELECT statement: " . $DBI::errstr);
$stmt->execute() or fail("Couldn't execute row count SELECT statement: " . $DBI::errstr);
my $ending_startid = $startid;
if (my @row = $stmt->fetchrow_array()) {
$ending_startid = $row[0];
}
if ($report_progress) {
$stmt = $db->prepare('select count(*) from message where (ROWID > ?)') or fail("Couldn't prepare message count SELECT statement: " . $DBI::errstr);
$stmt->execute($startid) or fail("Couldn't execute message count SELECT statement: " . $DBI::errstr);
my @row = $stmt->fetchrow_array();
$totalrows = $row[0];
}
# We filter to iMessage and SMS, in case some other iChat service landed in here too.
$stmt = $db->prepare("select h.id, m.ROWID, m.text, m.service, m.account, m.handle_id, m.subject, m.date, m.is_emote, m.is_from_me, m.was_downgraded, m.is_audio_message, m.cache_has_attachments from message as m inner join handle as h on m.handle_id=h.ROWID where (m.ROWID > ?) and (m.service='iMessage' or m.service='SMS') order by m.handle_id, m.ROWID;")
or fail("Couldn't prepare message SELECT statement: " . $DBI::errstr);
my $attachmentstmt = $db->prepare('select filename, mime_type from attachment as a inner join (select rowid,attachment_id from message_attachment_join where message_id=?) as j where a.ROWID=j.attachment_id order by j.ROWID;')
or fail("Couldn't prepare attachment lookup SELECT statement: " . $DBI::errstr);
$stmt->execute($startid) or fail("Couldn't execute message SELECT statement: " . $DBI::errstr);
while (my @row = $stmt->fetchrow_array()) {
if ($debug) {
dbgprint("New row:\n");
foreach(@row) {
dbgprint(defined $_ ? " $_\n" : " [undef]\n");
}
}
if ($report_progress) {
my $newpct = int(($donerows / $totalrows) * 100.0);
if ($newpct != $percentdone) {
$percentdone = $newpct;
print("Processed $donerows messages of $totalrows ($percentdone%)\n");
}
}
$donerows++;
my ($idname, $msgid, $text, $service, $account, $handle_id, $subject, $date, $is_emote, $is_from_me, $was_downgraded, $is_audio_message, $cache_has_attachments) = @row;
next if not defined $text;
# Convert from Cocoa epoch to Unix epoch (2001 -> 1970).
$date += 978307200;
$startmsgid = $msgid if (not defined $startmsgid);
if (not defined $startids{$handle_id}) {
my $with = $longnames{$handle_id};
dbgprint("Flushing new per-user startid for $idname ('$with')\n");
if (not flush_startid($handle_id, 0)) {
fail("didn't flush new startid for $idname ('$with')");
}
}
if (($now - $date) < $gaptime) {
dbgprint("timestamp '$date' is less than $gaptime seconds old.\n");
if ($msgid < $ending_startid) {
$ending_startid = ($startmsgid-1);
dbgprint("forcing global startid to $ending_startid\n");
}
# trash this conversation, it might still be ongoing.
flush_conversation(1) if ($handle_id == $lasthandle_id);
next;
}
$newestmsgid = $msgid if ($msgid > $newestmsgid);
# this happens if we had a conversation that was still ongoing when a
# newer conversation got archived. Next run, the newer conversation
# gets pulled from the database again so we can recheck the older
# conversation.
if ($msgid <= $startids{$handle_id}) {
dbgprint("msgid $msgid is already archived.\n");
next;
}
# Try to merge collections that appear to be the same conversation...
if (($handle_id != $lasthandle_id) or (talk_gap($lastdate, $date))) {
flush_conversation(0);
$account = $default_account if (not defined $account); # happens on old SMS messages.
$imessageuser = $account;
if ($imessageuser =~ s/\A([ep])\://i) {
my $type = lc($1);
if ($type eq 'p') {
$imessageuser =~ s/[^\d]//g;
$imessageuser = "phone-$imessageuser\@icloud.com";
}
} else {
fail("BUG: this shouldn't have happened."); # we checked this before.
}
$imessageuserlongname = $longnames{$account};
$imessageusershortname = $shortnames{$account};
$imessageuserhost = $imessageuser;
$imessageuserhost =~ s/\A.*\@//;
dbgprint("longname for imessageuser ($imessageuser) == $imessageuserlongname\n");
dbgprint("shortname for imessageuser ($imessageuser) == $imessageusershortname\n");
dbgprint("imessageuserhost == $imessageuserhost\n");
$outtimestamp = $date;
$outhandle_id = $handle_id;
$outid = $msgid;
$startmsgid = $msgid;
my $fullalias = $longnames{$handle_id};
my $shortalias = $shortnames{$handle_id};
if ($shortalias ne $imessageusershortname) {
$alias = $shortalias;
$thisimessageuseralias = $imessageusershortname;
} elsif ($fullalias ne $imessageuserlongname) {
$alias = $fullalias;
$thisimessageuseralias = $imessageuserlongname;
} else {
$alias = "$shortalias ($idname)";
$thisimessageuseralias = "$imessageusershortname ($imessageuser)";
}
$outperson = $idname;
if ($outperson ne $fullalias) {
$outperson = "$fullalias [$idname]";
}
$lasthandle_id = $handle_id;
$lastspeaker = '';
$lastdate = 0;
$lastday = '';
$outhasfromme = 0;
$outhasfromthem = 0;
$outhasfromme_a = 0;
$outhasfromme_sms = 0;
$outhasfromme_sms_a = 0;
$output_text = '';
$output_html = '';
@output_attachments = ();
if (defined $subject) {
chomp($subject);
$subject =~ s/\A\s+//;
$subject =~ s/\s+\Z//;
if (($subject eq '') || ($subject eq 'Re:')) {
$subject = undef;
}
}
if (defined $subject) {
$output_text = "iMessage subject: $subject\n\n";
$output_html = "<p><i>$subject</i></p>\n\n";
}
}
my $is_sms = (defined $service) && ($service eq 'SMS');
# UTF-8 for non-breaking space ( ). Dump it at end of line; iMessage seems to add it occasionally (maybe double-space to add a period then hit Send?).
$text =~ s/\xC2\xA0\Z//;
# replace "/me does something" with "*does something*" ...
$text =~ s#\A/me (.*)\Z#*$1*#m;
my $plaintext = $text;
my $htmltext = $text;
# Strip out the usual suspects.
$htmltext =~ s/\&/&/g;
$htmltext =~ s/\</</g;
$htmltext =~ s/\>/>/g;
$htmltext =~ s#\n#<br/>\n#g;