[ipfire-2.x.git] / src / pakfire / lib / functions.pl

#!/usr/bin/perl -w

require "/opt/pakfire/etc/pakfire.conf";

use File::Basename;
use File::Copy;
use LWP::UserAgent;
use Net::Ping;

package Pakfire;

sub message {
	my $message = shift;
	print "$message\n";
	logger("$message");
}

sub logger {
	my $log = shift;
	system("logger -t pakfire \"$log\"");
}

sub pinghost {
	my $host = shift;
	
	$p = Net::Ping->new();
  if ($p->ping($host)) {
  	logger("$host is alive.");
  	return 1;
  } else {
		logger("$host is dead.");
		return 0;
	}
  $p->close();
}

sub fetchfile {
	my $file = shift;
	my $host = shift;
	my (@server, $proto);
	
	use File::Basename;
	
	if ("$host" eq "") {
		@server = selectmirror();
		$proto = $server[0];
		$host = $server[1];
		$file = "$server[2]/$file";
	}
	
	logger("Trying to get $file from $host ($proto).");

	$bfile = basename("$file");
	
	my $ua = LWP::UserAgent->new;
	$ua->agent('Pakfire/2.1');
	#$ua->timeout(5);
	#$ua->env_proxy;
 
	my $response = $ua->get("http://$host/$file");
	if ($response->is_success) {
		if (open(FILE, ">$Conf::cachedir/$bfile")) {
			print FILE $response->content;
			close(FILE);
		} else {
			message("Could not open $Conf::cachedir/$bfile for writing.");
		}
		logger("$host sends file: $file.");
		return 1;
	}
	else {
		my $log = $response->status_line;
		logger("$log");
		return 0;
	}
}

sub testhost {
	my $host = shift;
 
	my $ua = LWP::UserAgent->new;
	$ua->agent('Pakfire/2.1');
	$ua->timeout(5);
	# $ua->env_proxy;
 
	my $response = $ua->get("http://$host/dummy");
	if ($response->is_success) {
		logger("$host answers my request.");
		return 1;
	}
	else {
		my $log = $response->status_line;
		logger("Server does not work properly: $log");
		return 0;
	}
}

sub getmirrors {
	use File::Copy;

	logger("Try to get a mirror list.");
	
	fetchfile("lists/$Conf::version-server-list", "$Conf::mainserver");
	move("$Conf::cachedir/$Conf::version-server-list", "$Conf::dbdir/lists/$Conf::version-server-list");
}

sub selectmirror {
	### Check if there is a current server list and read it.
	#   If there is no list try to get one.
	my $count = 0;
	while (!(open(FILE, "<$Conf::dbdir/lists/$Conf::version-server-list")) && ($count lt 5)) {
		$count++;
		getmirrors();
	}
	if ($count == 5) {
		message("Could not find or download a server list.");
		exit 1;
	}
	my @lines = <FILE>;
	close(FILE);

	### Count the number of the servers in the list
	my $scount = 0;
	foreach (@lines) {
		$scount++;
	}
	logger("$scount servers found in list.");
	
	### Choose a random server and test if it is online
	#   If the check fails try a new server.
	#   This will never give up.
	my $found = 0;
	my $servers = 0;
	while ($found == 0) {
		$server = int(rand($scount) + 1);
		$servers = 0;
		my ($line, $proto, $path, $host);
		my @templine;
		foreach $line (@lines) {
			$servers++;
			if ($servers eq $server) {
				@templine = split(/\;/, $line);
				$proto = $templine[0];
				$host = $templine[1];
				$path = $templine[2];
				if ((pinghost("$host")) && testhost("$host") ) {
					$found = 1;
					return ($proto, $host, $path);
				}
			}
		}
	}	
}

sub dbgetlist {
	### Update the database if the file is older than one day.
	#   If you pass &Pakfire::dbgetlist(force) the list will be downloaded.
	#   Usage is always with an argument.
	my $force = shift;
	my $age;
	
	use File::Copy;
	
	if ( -e "$Conf::dbdir/lists/packages_list.db" ) {
		my @stat = stat("$Conf::dbdir/lists/packages_list.db");
		my $time = time();
		$age = $time - $stat[9];
	} else {
		# Force an update.
		$age = "86401";
	}
	
	if (("$age" gt 86400) || ("$force" eq "force")) {
		cleanup();
		fetchfile("lists/packages_list.db", "");
		move("$Conf::cachedir/packages_list.db", "$Conf::dbdir/lists/packages_list.db");
	}
}

sub dblist {
	### This subroutine lists the packages.
	#   You may also pass a filter: &Pakfire::dblist(filter) 
	#   Usage is always with two arguments.
	#   filter may be: all, notinstalled, installed
	my $filter = shift;
	my $forweb = shift;
	
	### Make sure that the list is not outdated. 
	dbgetlist("noforce");

	open(FILE, "<$Conf::dbdir/lists/packages_list.db");
	my @db = <FILE>;
	close(FILE);
	
	my $line;
	my @templine;
	foreach $line (sort @db) {
		@templine = split(/\;/,$line);
		### filter here...
		if ("$forweb" eq "forweb") {
			print "<option value=\"$templine[0]\">$templine[1]</option>\n";
		} else {
			print "$templine[0] $templine[1]\n";
		}
	}
}

sub resolvedeps {
	my $pak = shift;
	
	getmetafile("$pak");
	
	message("\n## Resolving dependencies for $pak...");
	
	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
	my @file = <FILE>;
	close(FILE);
	
	my $line;
	my (@templine, @deps, @tempdeps);
	foreach $line (@file) {
		@templine = split(/\: /,$line);
		if ("$templine[0]" eq "Dependencies") {
			@deps = split(/ /, $templine[1]);
		}
	}
	chomp (@deps);
	foreach (@deps) {
		if ($_) {
		  message("### Found dependency: $_");
		  push(@tempdeps,$_);
		}
	}
	
	#my @tempdeps = @deps;
	foreach (@tempdeps) {
		if ($_) {
			my @newdeps = resolvedeps("$_");
			foreach(@newdeps) {
				unless (($_ eq " ") || ($_ eq "")) {
				  message("### Found dependency: $_");
					push(@deps,$_);
				}
			}
		}
	}
	chomp (@deps);
	return @deps;
}

sub cleanup {
	my $dir = shift;
	my $path;
	
	if ( "$dir" eq "meta" ) {
		$path = "$Conf::dbdir/meta";
	} elsif ( "$dir" eq "tmp" ) {
		$path = "$Conf::tmpdir";
	}
	chdir("$path");
	opendir(DIR,".");
	my @files = readdir(DIR);
	closedir(DIR);
	foreach (@files) {
	  unless (($_ eq ".") || ($_ eq "..")) {
		   system("rm -rf $_");
		}
	}
}

sub getmetafile {
	my $pak = shift;
	
	logger("Going to download meta-$pak.");
	
	unless ( -e "$Conf::dbdir/meta/meta-$pak") {
		fetchfile("meta/meta-$pak", "");
		move("$Conf::cachedir/meta-$pak", "$Conf::dbdir/meta/meta-$pak");
	}
	
	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
	my @line = <FILE>;
	close(FILE);
	
	open(FILE, ">$Conf::dbdir/meta/meta-$pak");
	foreach (@line) {
		my $string = $_;
		$string =~ s/\r\n/\n/g;
		print FILE $string;
	}
	close(FILE);
	return 1;
}

sub getsize {
	my $pak = shift;
	
	getmetafile("$pak");
	
	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
	my @file = <FILE>;
	close(FILE);
	
	my $line;
	my @templine;
	foreach $line (@file) {
		@templine = split(/\: /,$line);
		if ("$templine[0]" eq "Size") {
			chomp($templine[1]);
			return $templine[1];
		}
	}
}

sub addsizes {
	my @paks = shift;
	
	my @sizes;
	foreach (@paks) {
		my $paksize = getsize("$_");
		push(@sizes, $paksize);
	}
	
	my $totalsize = 0;
	foreach (@sizes) {
		$totalsize += $_;
	}
	return $totalsize;
}

sub decryptpak {
	my $pak = shift;
	
	cleanup("tmp");
	
	my $file = getpak("$pak", "noforce");
	
	my $return = system("gpg -d < $Conf::cachedir/$file | tar xj -C $Conf::tmpdir/");
	
	logger("Decryption process returned the following: $return");
	if ($return == 1) { exit 1; }
}

sub getpak {
	my $pak = shift;
	my $force = shift;

	getmetafile("$pak");
	
	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
	my @file = <FILE>;
	close(FILE);
	
	my $line;
	my $file;
	my @templine;
	foreach $line (@file) {
		@templine = split(/\: /,$line);
		if ("$templine[0]" eq "File") {
			chomp($templine[1]);
			$file = $templine[1];
		}
	}
	
	unless ($file) {
		message("No filename given in meta-file. Please phone the developers.");
		exit 1;
	}
	
	message("\n## Downloading $file...");
	
	unless ( "$force" eq "force" ) {
		if ( -e "$Conf::cachedir/$file" ) {
			message("$file is already there. Skipping download.");
			return $file;
		}
	}
	
	fetchfile("paks/$file", "");
	return $file;
}

sub setuppak {
	my $pak = shift;
	
	message("We are going to install: $pak");
	
	decryptpak("$pak");
	
	my $return = system("cd $Conf::tmpdir && ./install.sh >> $Conf::logdir/install-$pak.log 2>&1");
	if ($return == 0) {
	  move("$Conf::tmpdir/ROOTFILES", "$Conf::dbdir/rootfiles/$pak");
	  cleanup("tmp");
		message("Setup completed. Congratulations!");
	} else {
		message("Setup returned: $return. Sorry. Please search our forum to find a solution for this problem.");
		exit $return;
	}
	
	exit $return;
}

sub updatepak {
	my $pak = shift;

	message("We are going to update: $pak");

	decryptpak("$pak");

	my $return = system("cd $Conf::tmpdir && ./update.sh >> $Conf::logdir/update-$pak.log 2>&1");
	if ($return == 0) {
	  move("$Conf::tmpdir/ROOTFILES", "$Conf::dbdir/rootfiles/$pak");
	  cleanup("tmp");
		message("Update completed. Congratulations!");
	} else {
		message("Setup returned: $return. Sorry. Please search our forum to find a solution for this problem.");
		exit $return;
	}

	exit $return;
}

sub removepak {
	my $pak = shift;

	message("We are going to uninstall: $pak");

	decryptpak("$pak");

	my $return = system("cd $Conf::tmpdir && ./uninstall.sh >> $Conf::logdir/uninstall-$pak.log 2>&1");
	if ($return == 0) {
	  open(FILE, "<$Conf::dbdir/rootfiles/$pak");
		my @file = <FILE>;
		close(FILE);
		foreach (@file) {
		  my $line = $_;
		  chomp($line);
			system("echo \"Removing: $line\" >> $Conf::logdir/uninstall-$pak.log 2>&1");
			system("cd / && rm -rf $line >> $Conf::logdir/uninstall-$pak.log 2>&1");
		}
	  unlink("$Conf::dbdir/rootfiles/$pak");
	  cleanup("tmp");
		message("Uninstall completed. Congratulations!");
	} else {
		message("Setup returned: $return. Sorry. Please search our forum to find a solution for this problem.");
		exit $return;
	}

	exit $return;
}

sub beautifysize {
	my $size = shift;
	
	if ($size > 1023) {
	  my $newsize = $size / 1024;
	  return "$newsize MB";
	} else {
	  return "$size KB";
	}
}


1;
Commit	Line	Data
1bd42c89 MT	1	#!/usr/bin/perl -w
	2
	3	require "/opt/pakfire/etc/pakfire.conf";
	4
	5	use File::Basename;
	6	use File::Copy;
	7	use LWP::UserAgent;
	8	use Net::Ping;
	9
	10	package Pakfire;
	11
	12	sub message {
	13	my $message = shift;
	14	print "$message\n";
	15	logger("$message");
	16	}
	17
	18	sub logger {
	19	my $log = shift;
	20	system("logger -t pakfire \"$log\"");
	21	}
	22
	23	sub pinghost {
	24	my $host = shift;
	25
	26	$p = Net::Ping->new();
	27	if ($p->ping($host)) {
	28	logger("$host is alive.");
	29	return 1;
	30	} else {
	31	logger("$host is dead.");
	32	return 0;
	33	}
	34	$p->close();
	35	}
	36
	37	sub fetchfile {
	38	my $file = shift;
	39	my $host = shift;
	40	my (@server, $proto);
	41
	42	use File::Basename;
	43
	44	if ("$host" eq "") {
	45	@server = selectmirror();
	46	$proto = $server[0];
	47	$host = $server[1];
	48	$file = "$server[2]/$file";
	49	}
	50
	51	logger("Trying to get $file from $host ($proto).");
	52
	53	$bfile = basename("$file");
	54
	55	my $ua = LWP::UserAgent->new;
	56	$ua->agent('Pakfire/2.1');
	57	#$ua->timeout(5);
	58	#$ua->env_proxy;
	59
	60	my $response = $ua->get("http://$host/$file");
	61	if ($response->is_success) {
	62	if (open(FILE, ">$Conf::cachedir/$bfile")) {
	63	print FILE $response->content;
	64	close(FILE);
65	} else {
66	message("Could not open $Conf::cachedir/$bfile for writing.");
67	}
68	logger("$host sends file: $file.");
69	return 1;
70	}
71	else {
72	my $log = $response->status_line;
73	logger("$log");
74	return 0;
75	}
76	}
77
78	sub testhost {
79	my $host = shift;
80
81	my $ua = LWP::UserAgent->new;
82	$ua->agent('Pakfire/2.1');
83	$ua->timeout(5);
84	# $ua->env_proxy;
85
86	my $response = $ua->get("http://$host/dummy");
87	if ($response->is_success) {
88	logger("$host answers my request.");
89	return 1;
90	}
91	else {
92	my $log = $response->status_line;
93	logger("Server does not work properly: $log");
94	return 0;
95	}
96	}
97
98	sub getmirrors {
99	use File::Copy;
100
101	logger("Try to get a mirror list.");
102
103	fetchfile("lists/$Conf::version-server-list", "$Conf::mainserver");
104	move("$Conf::cachedir/$Conf::version-server-list", "$Conf::dbdir/lists/$Conf::version-server-list");
105	}
106
107	sub selectmirror {
108	### Check if there is a current server list and read it.
109	# If there is no list try to get one.
110	my $count = 0;
111	while (!(open(FILE, "<$Conf::dbdir/lists/$Conf::version-server-list")) && ($count lt 5)) {
112	$count++;
113	getmirrors();
114	}
115	if ($count == 5) {
116	message("Could not find or download a server list.");
117	exit 1;
118	}
119	my @lines = <FILE>;
120	close(FILE);
121
122	### Count the number of the servers in the list
123	my $scount = 0;
124	foreach (@lines) {
125	$scount++;
126	}
127	logger("$scount servers found in list.");
128
129	### Choose a random server and test if it is online
130	# If the check fails try a new server.
131	# This will never give up.
132	my $found = 0;
133	my $servers = 0;
134	while ($found == 0) {
135	$server = int(rand($scount) + 1);
136	$servers = 0;
137	my ($line, $proto, $path, $host);
138	my @templine;
139	foreach $line (@lines) {
140	$servers++;
141	if ($servers eq $server) {
142	@templine = split(/\;/, $line);
143	$proto = $templine[0];
144	$host = $templine[1];
145	$path = $templine[2];
146	if ((pinghost("$host")) && testhost("$host") ) {
147	$found = 1;
148	return ($proto, $host, $path);
149	}
150	}
151	}
152	}
153	}
154
155	sub dbgetlist {
156	### Update the database if the file is older than one day.
157	# If you pass &Pakfire::dbgetlist(force) the list will be downloaded.
158	# Usage is always with an argument.
159	my $force = shift;
160	my $age;
161
162	use File::Copy;
163
164	if ( -e "$Conf::dbdir/lists/packages_list.db" ) {
165	my @stat = stat("$Conf::dbdir/lists/packages_list.db");
166	my $time = time();
167	$age = $time - $stat[9];
168	} else {
169	# Force an update.
170	$age = "86401";
171	}
172
173	if (("$age" gt 86400) \|\| ("$force" eq "force")) {
174	cleanup();
175	fetchfile("lists/packages_list.db", "");
176	move("$Conf::cachedir/packages_list.db", "$Conf::dbdir/lists/packages_list.db");
177	}
178	}
179
180	sub dblist {
181	### This subroutine lists the packages.
182	# You may also pass a filter: &Pakfire::dblist(filter)
183	# Usage is always with two arguments.
184	# filter may be: all, notinstalled, installed
185	my $filter = shift;
186	my $forweb = shift;
187
188	### Make sure that the list is not outdated.
189	dbgetlist("noforce");
190
191	open(FILE, "<$Conf::dbdir/lists/packages_list.db");
192	my @db = <FILE>;
193	close(FILE);
194
195	my $line;
196	my @templine;
197	foreach $line (sort @db) {
198	@templine = split(/\;/,$line);
199	### filter here...
200	if ("$forweb" eq "forweb") {
201	print "<option value=\"$templine[0]\">$templine[1]</option>\n";
202	} else {
203	print "$templine[0] $templine[1]\n";
204	}
205	}
206	}
207
208	sub resolvedeps {
209	my $pak = shift;
210
211	getmetafile("$pak");
212
213	message("\n## Resolving dependencies for $pak...");
214
215	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
216	my @file = <FILE>;
217	close(FILE);
218
219	my $line;
220	my (@templine, @deps, @tempdeps);
221	foreach $line (@file) {
222	@templine = split(/\: /,$line);
223	if ("$templine[0]" eq "Dependencies") {
224	@deps = split(/ /, $templine[1]);
225	}
226	}
227	chomp (@deps);
228	foreach (@deps) {
229	if ($_) {
230	message("### Found dependency: $_");
231	push(@tempdeps,$_);
232	}
233	}
234
235	#my @tempdeps = @deps;
236	foreach (@tempdeps) {
237	if ($_) {
238	my @newdeps = resolvedeps("$_");
239	foreach(@newdeps) {
240	unless (($_ eq " ") \|\| ($_ eq "")) {
241	message("### Found dependency: $_");
242	push(@deps,$_);
243	}
244	}
245	}
246	}
247	chomp (@deps);
248	return @deps;
249	}
250
251	sub cleanup {
252	my $dir = shift;
253	my $path;
254
255	if ( "$dir" eq "meta" ) {
256	$path = "$Conf::dbdir/meta";
257	} elsif ( "$dir" eq "tmp" ) {
258	$path = "$Conf::tmpdir";
259	}
260	chdir("$path");
261	opendir(DIR,".");
262	my @files = readdir(DIR);
263	closedir(DIR);
264	foreach (@files) {
265	unless (($_ eq ".") \|\| ($_ eq "..")) {
266	system("rm -rf $_");
267	}
268	}
269	}
270
271	sub getmetafile {
272	my $pak = shift;
273
274	logger("Going to download meta-$pak.");
275
276	unless ( -e "$Conf::dbdir/meta/meta-$pak") {
277	fetchfile("meta/meta-$pak", "");
278	move("$Conf::cachedir/meta-$pak", "$Conf::dbdir/meta/meta-$pak");
279	}
280
281	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
282	my @line = <FILE>;
283	close(FILE);
284
285	open(FILE, ">$Conf::dbdir/meta/meta-$pak");
286	foreach (@line) {
287	my $string = $_;
288	$string =~ s/\r\n/\n/g;
289	print FILE $string;
290	}
291	close(FILE);
292	return 1;
293	}
294
295	sub getsize {
296	my $pak = shift;
297
298	getmetafile("$pak");
299
300	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
301	my @file = <FILE>;
302	close(FILE);
303
304	my $line;
305	my @templine;
306	foreach $line (@file) {
307	@templine = split(/\: /,$line);
308	if ("$templine[0]" eq "Size") {
309	chomp($templine[1]);
310	return $templine[1];
311	}
312	}
313	}
314
315	sub addsizes {
316	my @paks = shift;
317
318	my @sizes;
319	foreach (@paks) {
320	my $paksize = getsize("$_");
321	push(@sizes, $paksize);
322	}
323
324	my $totalsize = 0;
325	foreach (@sizes) {
326	$totalsize += $_;
327	}
328	return $totalsize;
329	}
330
331	sub decryptpak {
332	my $pak = shift;
333
334	cleanup("tmp");
335
336	my $file = getpak("$pak", "noforce");
337
338	my $return = system("gpg -d < $Conf::cachedir/$file \| tar xj -C $Conf::tmpdir/");
339
340	logger("Decryption process returned the following: $return");
341	if ($return == 1) { exit 1; }
342	}
343
344	sub getpak {
345	my $pak = shift;
346	my $force = shift;
347
348	getmetafile("$pak");
349
350	open(FILE, "<$Conf::dbdir/meta/meta-$pak");
351	my @file = <FILE>;
352	close(FILE);
353
354	my $line;
355	my $file;
356	my @templine;
357	foreach $line (@file) {
358	@templine = split(/\: /,$line);
359	if ("$templine[0]" eq "File") {
360	chomp($templine[1]);
361	$file = $templine[1];
362	}
363	}
364
365	unless ($file) {
366	message("No filename given in meta-file. Please phone the developers.");
367	exit 1;
368	}
369
370	message("\n## Downloading $file...");
371
372	unless ( "$force" eq "force" ) {
373	if ( -e "$Conf::cachedir/$file" ) {
374	message("$file is already there. Skipping download.");
375	return $file;
376	}
377	}
378
379	fetchfile("paks/$file", "");
380	return $file;
381	}
382
383	sub setuppak {
384	my $pak = shift;
385
386	message("We are going to install: $pak");
387
388	decryptpak("$pak");
389
390	my $return = system("cd $Conf::tmpdir && ./install.sh >> $Conf::logdir/install-$pak.log 2>&1");
391	if ($return == 0) {
392	move("$Conf::tmpdir/ROOTFILES", "$Conf::dbdir/rootfiles/$pak");
393	cleanup("tmp");
394	message("Setup completed. Congratulations!");
395	} else {
396	message("Setup returned: $return. Sorry. Please search our forum to find a solution for this problem.");
397	exit $return;
398	}
399
400	exit $return;
401	}
402
403	sub updatepak {
404	my $pak = shift;
405
406	message("We are going to update: $pak");
407
408	decryptpak("$pak");
409
410	my $return = system("cd $Conf::tmpdir && ./update.sh >> $Conf::logdir/update-$pak.log 2>&1");
411	if ($return == 0) {
412	move("$Conf::tmpdir/ROOTFILES", "$Conf::dbdir/rootfiles/$pak");
413	cleanup("tmp");
414	message("Update completed. Congratulations!");
415	} else {
416	message("Setup returned: $return. Sorry. Please search our forum to find a solution for this problem.");
417	exit $return;
418	}
419
420	exit $return;
421	}
422
423	sub removepak {
424	my $pak = shift;
425
426	message("We are going to uninstall: $pak");
427
428	decryptpak("$pak");
429
430	my $return = system("cd $Conf::tmpdir && ./uninstall.sh >> $Conf::logdir/uninstall-$pak.log 2>&1");
431	if ($return == 0) {
432	open(FILE, "<$Conf::dbdir/rootfiles/$pak");
433	my @file = <FILE>;
434	close(FILE);
435	foreach (@file) {
436	my $line = $_;
437	chomp($line);
438	system("echo \"Removing: $line\" >> $Conf::logdir/uninstall-$pak.log 2>&1");
439	system("cd / && rm -rf $line >> $Conf::logdir/uninstall-$pak.log 2>&1");
440	}
441	unlink("$Conf::dbdir/rootfiles/$pak");
442	cleanup("tmp");
443	message("Uninstall completed. Congratulations!");
444	} else {
445	message("Setup returned: $return. Sorry. Please search our forum to find a solution for this problem.");
446	exit $return;
447	}
448
449	exit $return;
450	}
451
452	sub beautifysize {
453	my $size = shift;
454
455	if ($size > 1023) {
456	my $newsize = $size / 1024;
457	return "$newsize MB";
458	} else {
459	return "$size KB";
460	}
461	}
462
463
464	1;