1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460#!/usr/bin/perl

use strict;
use warnings;

use Net::XMPP;
use DBI;
use POSIX qw/ceil strftime/;

use open ':utf8';
use open ':std';
use utf8;
#use Data::Dumper;

use threads;
use threads::shared;
use Thread::Queue;

$ENV{PWD} = "" if not defined $ENV{PWD};
my $scriptconf = $ENV{PWD} . "/$0";
$scriptconf =~ s/\.pl$//;
$scriptconf =~ s/$/.conf/;
if (-r $scriptconf) {
    package cfg;
    unless (my $return = do $scriptconf) {
        warn "couldn't parse $scriptconf: $@" if $@;
        warn "couldn't do $scriptconf: $!"    unless defined $return;
        warn "couldn't run $scriptconf"       unless $return;
    }
}
else {
    print "pas de config\n";
    exit;
}

$SIG{INT}=\&terminate;
#my $next_sms :shared; # utilisé pour le top du procahin envoi
my $debugLevel = 0;

my $phone_status : shared = "";

my $from_gtalksms_queue = Thread::Queue->new;
my $to_gtalksms_queue = Thread::Queue->new;
my $mail_queue = Thread::Queue->new;

my $bot = &xmpp_login($cfg::config{xmpp}->{hostName}, 
                      $cfg::config{xmpp}->{portNumber}, 
                      $cfg::config{xmpp}->{userName}, 
                      $cfg::config{xmpp}->{passWord}, 
                      $cfg::config{xmpp}->{componentName}, 
                      $cfg::config{xmpp}->{resource}, 
                      $cfg::config{xmpp}->{tls}, 
                      1, "", 0, 
                      $cfg::config{DEBUG});

$SIG{INT} = sub { $bot->Disconnect; };

my $mail = threads->new(\&ssmtp_send_mail);

my $from_gtalksms = threads->new(\&from_gtalksms_parse);

my $to_gtalksms = threads->new(\&xmpp_send_sms);

sub debug_print {
    print STDERR "sendxmpp: " . (join ' ', @_) . "\n"
	if (@_ && ($cfg::config{DEBUG} ||$cfg::config{VERBOSE}));
}

sub log_bot {
#    open(LOGFILE,'>>', 'bot.log');
#    print LOGFILE sprintf("[%s] %s\n",strftime("%Y-%m-%d %H:%M:%S", localtime), shift);
    print  sprintf("[%s] %s\n",strftime("%Y-%m-%d %H:%M:%S", localtime), shift);
#    close LOGFILE;
}

sub xmpp_logout($) {
    # HACK
    # messages may not be received if we log out too quickly...
    sleep 1;

    my $cnx = shift;
    $cnx->Disconnect();
    xmpp_check_result ('Disconnect',0); # well, nothing to check, really
}

sub terminate () {
    my $cnx = shift;
    debug_print "caught TERM";
    xmpp_logout($cnx);
    exit 0;
}

sub error_exit {
    my ($err,$cnx) = @_;
    print STDERR "$err\n";
    xmpp_logout ($cnx)
	if ($cnx);
    exit 1;
}

sub xmpp_check_result {
    my ($txt, $res, $cnx)=@_;

    error_exit ("Error '$txt': result undefined")
	unless (defined $res);

    # res may be 0
	if ($res == 0) {
		debug_print "$txt";
		# result can be true or 'ok'
	}
	elsif ((@$res == 1 && $$res[0]) || $$res[0] eq 'ok') {
		debug_print "$txt: " .  $$res[0];
		# otherwise, there is some error
	}
	else {
		my $errmsg = $cnx->GetErrorCode() || '?';
		error_exit ("Error '$txt': " . join (': ',@$res) . "[$errmsg]", $cnx);
	}
}

sub xmpp_login ($$$$$$$$$$$) {
    my ($host, $port, $user, $pw, $comp, $res, $tls, $no_tls_verify, $tls_ca_path, $ssl, $debug) = @_;
    my $cnx = new Net::XMPP::Client(debuglevel=>0);
    error_exit "could not create XMPP client object: $!" unless ($cnx);

	my $ssl_verify = 0x01;
	if ($no_tls_verify) { $ssl_verify = 0x00; }
	debug_print "ssl_verify: $ssl_verify";

	debug_print "tls_ca_path: $tls_ca_path";

    my @res;
	my $arghash = {
		hostname		=> $host,
		port            => $port,
		tls				=> $tls,
		ssl_verify		=> $ssl_verify,
		ssl_ca_path		=> $tls_ca_path,
		ssl             => $ssl,
		connectiontype	=> 'tcpip',
		componentname	=> $comp
	};

	delete $arghash->{port} unless $port; 
	if ($arghash->{port}) {
		@res = $cnx->Connect(%$arghash);
		error_exit ("Could not connect to '$host' on port $port: $@") unless @res;
	} else {
		@res = $cnx->Connect(%$arghash);
		error_exit ("Could not connect to server '$host': $@") unless @res;
	}

    xmpp_check_result("Connect",\@res,$cnx);

	if ($comp) {
		my $sid = $cnx->{SESSION}->{id};
		$cnx->{STREAM}->{SIDS}->{$sid}->{hostname} = $comp
	}

    @res = $cnx->AuthSend(#'hostname' => $host,
			  'username' => $user,
			  'password' => $pw,
			  'resource' => $res);
    xmpp_check_result('AuthSend',\@res,$cnx);

    return $cnx;
}

sub sql_request ($) {
    my $request = shift;
    my @result;
    my $dbh = DBI->connect($cfg::config{db}->{driver}, $cfg::config{db}->{user}, $cfg::config{db}->{password}, {'RaiseError' => 1});
    $dbh->{'mysql_enable_utf8'} = 1;
    $dbh->do(qq{SET NAMES "utf8"});
    my $sth = $dbh->prepare($request);
    $sth->execute();
    if (defined($sth->{NUM_OF_FIELDS})) {
        while (my $ref = $sth->fetchrow_hashref()) {
            push @result, $ref;
        }
    }
    $sth->finish();
    $dbh->disconnect();
    return @result;
}

sub massive_send_sms {
    my $request = shift;
    my @results = sql_request("SELECT * FROM __tables__ WHERE phone = '$request->{phone}' AND table_id = '$request->{table}'");
    if (scalar(@results) == 1) {
        my @results = sql_request("SELECT * FROM $request->{table}");
        my $start_msg = "envoi de " . scalar(@results) . " SMS (30 max par demi-heure)";
        $to_gtalksms_queue->enqueue([$request->{phone}, $start_msg]);
        foreach my $contact (@results) {
            $contact->{phone} =~ s/[\s\.]//g;
            $_ = $request->{body};
            s/\@prénom/$contact->{firstname}/g;
            if ($contact->{gender} eq 'F') {
                s/\@\(\s*(\w+)\s*,\s*\w+\s*\)/$1/g;
            }
            else {
                s/\@\(\s*\w+\s*,\s*(\w+)\s*\)/$1/g;
            }
            $to_gtalksms_queue->enqueue([$contact->{phone}, $_])
        }
        $to_gtalksms_queue->enqueue([$request->{phone}, "envoi des SMS terminé !"]);
    }
    else {
        $to_gtalksms_queue->enqueue([$request->{phone}, "pas la bonne base $request->{table} pour $request->{phone}"]);
    }
}

sub control_sms_flow {
    my ($body, $max, $interval) = @_;
    my $flow_control="/home/sms/flow.control";
#    use bytes; # les caractères UTF-8 peuvent être codés sur plus d'un octet
#    my $nbr = ceil(length($$body)/140); # taille d'un SMS 140 octets
     my $nbr = 1;
#    no bytes;
    while (1) {
        my $left = $max;
        my $t = time;
        open (FILE, "<", $flow_control);
        my @lines = <FILE>;
        close FILE;
        open(FILE, ">", $flow_control);
        foreach my $line (@lines) {
            $line =~ /(\d+)/;
            my $ts = $1;
            if ($ts + $interval > $t) {
                $left--;
                print FILE $line;
            }
        }
        close FILE;
        log_bot("  ---> to send: $nbr; left: $left");
        last if $nbr < $left;
        sleep 10;
    }
    open (FILE,">>", $flow_control);
    for (my $i = 0; $i < $nbr; $i++) { print FILE time, "\n"; }
    close FILE;
}

sub xmpp_send {
    my $msg = shift;
    $bot->MessageSend(
            to => $cfg::config{xmpp}->{phoneBuddy}, 
            from => $cfg::config{xmpp}->{userName} . "@" . $cfg::config{xmpp}->{hostName}, 
            resource => $cfg::config{xmpp}->{resource}, 
            type => 'chat', 
            body => $$msg
    );
}

sub ssmtp_send_mail {
    while (my $request = $mail_queue->dequeue) {
        defined($request->{to}) or $request->{to} = $cfg::config{mail};
        open(MAIL, "|/usr/lib/sendmail -t");
        print MAIL "Subject: $request->{subject}\n"; 
        print MAIL "To: $request->{to}\n";
        print MAIL "$request->{body}\n";
        close(MAIL);
        log_bot("mail envoyé à $request->{to}");
    }
}

sub wait_open_time ($$) {
    my ($close_hour, $open_hour) = @_;
    while (strftime('%H', localtime) > $close_hour or strftime('%H', localtime) < $open_hour) {
        sleep 1800;
    }
}

sub xmpp_send_sms {
    while (my $ref = $to_gtalksms_queue->dequeue) {
        wait_open_time(21, 8); # pas d'envoi entre 21h et 8h
#        TODO lock($next_sms);
#        TODO $next_sms = $$ref[0];
        control_sms_flow(\$$ref[1], 30, 1800); # pas plus de 30 messages de 140 caractères par demi-heure
        xmpp_send(\"sms:$$ref[0]:$$ref[1]");
        log_bot("envoi à $$ref[0] : $$ref[1]");
        sleep 10; # en attendant la maîtrise de cond_wait et cond_signal: cond_signal() called on unlocked variable at ./bot line 348
#        TODO cond_wait($next_sms); # attend le top 
    }
}

sub is_authorized {
    my ($requestor) = @_;
    my @results = sql_request("SELECT * FROM __authorized__ WHERE phone = '$requestor'");
    return (scalar(@results) == 1);
}

sub authorized_on_table {
    my %request = @_;
    $request{writeable} = (defined($request{writeable})) ? "AND write_auth = '1'" : "";
    my @results = sql_request("SELECT * FROM __tables__ WHERE table_id = '$request{table}' AND phone = '$request{id}' $request{writeable}");
    if (scalar(@results) == 0) {
        my @list = sql_request("SELECT * FROM __tables__ WHERE phone = '$request{id}'");
        my $list_str = "";
        foreach (@list) {
            $list_str .= "\n- $_->{table_id}";
        }
        ${$request{error}} = sprintf("%s%s%s%s", 
                "désolé, $request{table} n'est pas autorisé pour toi", 
                ($request{writeable} ne "")? " en écriture" : "", 
                "... ou n'existe pas:",
                $list_str);
    }
    return (scalar(@results) == 1);
}

sub is_table {
    my %request = @_;
    my @results = sql_request("SHOW TABLES WHERE Tables_in_sms = '$request{table}'");
    if (scalar(@results) == 0) {
        ${$request{error}} = "$request{table} n'existe pas... essaie la commande 'liste' pour voir tes tables";
    }
    return (scalar(@results) == 1);
}

sub copy {
    my $request = shift;
    my $rmsg = "";
    if (authorized_on_table(table => $request->{origin}, id => $request->{phone}, error => \$rmsg)) {
        if (! is_table(table => $request->{destination}, error => \$rmsg)) {
            sql_request("CREATE TABLE $request->{destination} SELECT * FROM $request->{origin}");
            sql_request("INSERT INTO __tables__ (phone,table_id,creation_date,update_date,comment,write_auth) values('"
                    . $request->{phone} . "','"
                    . $request->{destination} . "','"
                    . strftime("%Y-%m-%d %H:%M:%S", localtime) . "','"
                    . strftime("%Y-%m-%d %H:%M:%S", localtime) . "','"
                    . $request->{comment} . "','1')"
                    );
            $rmsg = "copie de $request->{origin} vers $request->{destination} faite";
        }
        else { # on change le message d'erreur fourni par is_table()
            $rmsg = "$request->{destination} existe déjà !"; 
        }
    }
    $to_gtalksms_queue->enqueue([$request->{phone}, $rmsg]);
}

sub insert {
    my $request = shift;
    my $rmsg = "";
    if (authorized_on_table(table => $request->{table}, id => $request->{phone}, writeable => 1, error => \$rmsg)) {
        my $contact_number = 0;
        foreach my $contact (split("\n", $request->{body})) {
            my ($firstname, $lastname, $phone, $gender) = split(";", $contact);
            sql_request("INSERT INTO $request->{table} (firstname,lastname,phone,gender) values ($firstname, $lastname, $phone, $gender)");
            $contact_number++;
        }
        $rmsg = "$contact_number contacts ajoutés dans $request->{table}"
    }
    $to_gtalksms_queue->enqueue([$request->{phone}, $rmsg]);
}

sub react_on_message {
    my ($hashref , $request) = @_;
    for my $regex (keys(%$hashref)) {
        if ($request->{body} =~ m/$regex/i) {
            $request->{body} =~ s/$regex//i;
            $hashref->{$regex}();
            return 1; # true
        }
    }
    return 0; # false
}

sub messageCB {
    my ($sid, $msg) = @_;
    $from_gtalksms_queue->enqueue($msg) if $msg->DefinedBody();
}

sub from_gtalksms_parse {
    while (my $msg = $from_gtalksms_queue->dequeue) {
        my %request = (body => $msg->GetBody);
        my %part_from_gtalksms = (
            '^Message\s+de\s+\+33([67]\d{8})\s+:\W*' => sub { # Message de +33612345678 : 
                $request{phone} = "0" . $1;
                $request{phone_owner} = '';
                my @results = sql_request("SELECT * FROM section WHERE phone = '$request{phone}'");
                my $number_of_candidates = @results;
                $number_of_candidates == 0 and return;
                $request{phone_owner} .= '(';
                foreach (@results) {
                    $request{phone_owner} .= "$_->{firstname} $_->{lastname}";
                    --$number_of_candidates > 0 and $request{phone_owner} .= ' ou ';
                } 
                $request{phone_owner} .= ')';
                log_bot("message de $request{phone} $request{phone_owner}");
            },
            '^SMS "(.+)" pour (0\d{9}) délivré\.$' => sub { # SMS "un contenu de SMS" pour 0612345678 délivré.
                log_bot("message $1 délivré pour $2");
# TODO cond_signal($next_sms);
            },
            '^Le destinataire par défaut est (\+33|0)\d{9}$' => sub { # Le destinataire par défaut est 0612345678: inutile
                return;
            },
        );
        my %part_from_user = (
            '^stoppe le bousin$' => sub {
                log_bot("arrêt demandé par $request{phone} $request{phone_owner}");
                $bot->Disconnect();
            },
            '^\s*envoi\s+[aà]\s+(\w+)\s*:\W*' => sub {
                $request{table} = lc $1;
                &massive_send_sms(\%request);
            },
            '^\s*sms\s+pour\s+(0\d{9})\s*:(.+)$' => sub {
                $to_gtalksms_queue->enqueue([$1, $2]);
            },
            '^\s*copie\s+(\w+)\s+en\s+(\w+)(.*)$' => sub {
                $request{origin} = lc $1;
                $request{destination} = lc $2;
                $request{comment} = $3 =~ s/^\s*//r;
                &copy(\%request);
            },
            '^\s*ajoute\s+dans\+(\w+)\s*:\n' => sub {
                $request{table} = lc $1;
                &insert(\%request);
            },
            '^\s*ping\s*$' => sub {
                log_bot("envoi d'un pong à $request{phone} $request{phone_owner}");
                $to_gtalksms_queue->enqueue([$request{phone}, "pong ($phone_status)"]);
            },
        );

        if (react_on_message(\%part_from_gtalksms, \%request)) {
            if (defined $request{phone} and !(is_authorized($request{phone}) and react_on_message(\%part_from_user, \%request))) {
                $request{subject} = "SMS recu de $request{phone} $request{phone_owner}";
                $mail_queue->enqueue(\%request);
            }
        }
        else {
            log_bot("message de type inconnu: $request{body}") unless $request{body} eq "";
        }

        undef %request;
    }
}

$from_gtalksms->detach; # gère la file des événements produits par GTalkSMS
$to_gtalksms->detach;   # gère la file des envois de SMS par GTalkSMS
$mail->detach;          # gère la file des mails
$bot->SetMessageCallBacks(chat => \&messageCB);

#print "Logged in to $hostName:$portNumber...\n";
$bot->PresenceSend();
my $roster = $bot->Roster;
$roster->add($cfg::config{xmpp}->{phoneBuddy});

while(defined($bot->Process())) { 
    $bot->RosterGet();
    my $status = $roster->query($cfg::config{xmpp}->{phoneBuddy},'resources');
    $phone_status = $status->{GTalkSMS}->{status} =~ s/^GTalkSMS - //r if $status;
}