--- loncom/interface/loncommon.pm 2019/07/19 13:19:50 1.1075.2.132
+++ loncom/interface/loncommon.pm 2019/08/22 00:11:04 1.1075.2.137
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common routines
#
-# $Id: loncommon.pm,v 1.1075.2.132 2019/07/19 13:19:50 raeburn Exp $
+# $Id: loncommon.pm,v 1.1075.2.137 2019/08/22 00:11:04 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -71,6 +71,7 @@ use Apache::lonuserutils();
use Apache::lonuserstate();
use Apache::courseclassifier();
use LONCAPA qw(:DEFAULT :match);
+use HTTP::Request;
use DateTime::TimeZone;
use DateTime::Locale;
use Encode();
@@ -1403,7 +1404,7 @@ sub help_menu_js {
&Apache::loncommon::start_page('Help Menu', undef,
{'frameset' => 1,
'js_ready' => 1,
- 'use_absolute' => $httphost,
+ 'use_absolute' => $httphost,
'add_entries' => {
'border' => '0',
'rows' => "110,*",},});
@@ -3170,6 +3171,78 @@ sub get_assignable_auth {
return ($authnum,%can_assign);
}
+sub check_passwd_rules {
+ my ($domain,$plainpass) = @_;
+ my %passwdconf = &Apache::lonnet::get_passwdconf($domain);
+ my ($min,$max,@chars,@brokerule,$warning);
+ if (ref($passwdconf{'chars'}) eq 'ARRAY') {
+ if ($passwdconf{'min'} =~ /^\d+$/) {
+ $min = $passwdconf{'min'};
+ }
+ if ($passwdconf{'max'} =~ /^\d+$/) {
+ $max = $passwdconf{'max'};
+ }
+ @chars = @{$passwdconf{'chars'}};
+ } else {
+ $min = 7;
+ }
+ if (($min) && (length($plainpass) < $min)) {
+ push(@brokerule,'min');
+ }
+ if (($max) && (length($plainpass) > $max)) {
+ push(@brokerule,'max');
+ }
+ if (@chars) {
+ my %rules;
+ map { $rules{$_} = 1; } @chars;
+ if ($rules{'uc'}) {
+ unless ($plainpass =~ /[A-Z]/) {
+ push(@brokerule,'uc');
+ }
+ }
+ if ($rules{'lc'}) {
+ unless ($plainpass =~ /[a-z]/) {
+ push(@brokerule,'lc');
+ }
+ }
+ if ($rules{'num'}) {
+ unless ($plainpass =~ /\d/) {
+ push(@brokerule,'num');
+ }
+ }
+ if ($rules{'spec'}) {
+ unless ($plainpass =~ /[!"#$%&'()*+,\-.\/:;<=>?@[\\\]^_`{|}~]/) {
+ push(@brokerule,'spec');
+ }
+ }
+ }
+ if (@brokerule) {
+ my %rulenames = &Apache::lonlocal::texthash(
+ uc => 'At least one upper case letter',
+ lc => 'At least one lower case letter',
+ num => 'At least one number',
+ spec => 'At least one non-alphanumeric',
+ );
+ $rulenames{'uc'} .= ': ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ $rulenames{'lc'} .= ': abcdefghijklmnopqrstuvwxyz';
+ $rulenames{'num'} .= ': 0123456789';
+ $rulenames{'spec'} .= ': !"\#$%&\'()*+,-./:;<=>?@[\]^_\`{|}~';
+ $rulenames{'min'} = &mt('Minimum password length: [_1]',$min);
+ $rulenames{'max'} = &mt('Maximum password length: [_1]',$max);
+ $warning = &mt('Password did not satisfy the following:').'';
+ foreach my $rule ('min','max','uc','ls','num','spec') {
+ if (grep(/^$rule$/,@brokerule)) {
+ $warning .= '- '.$rulenames{$rule}.'
';
+ }
+ }
+ $warning .= '
';
+ }
+ if (wantarray) {
+ return @brokerule;
+ }
+ return $warning;
+}
+
###############################################################
## Get Kerberos Defaults for Domain ##
###############################################################
@@ -5394,6 +5467,10 @@ Inputs:
=item * $args, optional argument valid values are
no_auto_mt_title -> prevents &mt()ing the title arg
+ use_absolute -> for external resource or syllabus, this will
+ contain https:// if server uses
+ https (as per hosts.tab), but request is for http
+ hostname -> hostname, from $r->hostname().
=item * $advtoolsref, optional argument, ref to an array containing
inlineremote items to be added in "Functions" menu below
@@ -5419,6 +5496,7 @@ sub bodytag {
}
if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
my $httphost = $args->{'use_absolute'};
+ my $hostname = $args->{'hostname'};
$function = &get_users_function() if (!$function);
my $img = &designparm($function.'.img',$domain);
@@ -5507,7 +5585,7 @@ sub bodytag {
&Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
$forcereg,$args->{'group'},
$args->{'bread_crumbs'},
- $advtoolsref,'',\$forbodytag);
+ $advtoolsref,'','',\$forbodytag);
unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
$funclist = $forbodytag;
}
@@ -5553,17 +5631,19 @@ sub bodytag {
$bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
if ($env{'request.state'} eq 'construct') {
$bodytag .= &Apache::lonmenu::innerregister($forcereg,
- $args->{'bread_crumbs'});
+ $args->{'bread_crumbs'},'','',$hostname);
} elsif ($forcereg) {
$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
$args->{'group'},
- $args->{'hide_buttons'});
+ $args->{'hide_buttons',
+ $hostname});
} else {
my $forbodytag;
&Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
$forcereg,$args->{'group'},
$args->{'bread_crumbs'},
- $advtoolsref,'',\$forbodytag);
+ $advtoolsref,'',$hostname,
+ \$forbodytag);
unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
$bodytag .= $forbodytag;
}
@@ -6077,6 +6157,11 @@ td.LC_menubuttons_text {
background: $tabbg;
}
+td.LC_zero_height {
+ line-height: 0;
+ cellpadding: 0;
+}
+
table.LC_data_table {
border: 1px solid #000000;
border-collapse: separate;
@@ -6749,6 +6834,7 @@ table.LC_data_table tr > td.LC_docs_entr
color: #990000;
}
+.LC_domprefs_email,
.LC_docs_reinit_warn,
.LC_docs_ext_edit {
font-size: x-small;
@@ -8089,6 +8175,10 @@ $args - additional optional args support
to lonhtmlcommon::breadcrumbs
group -> includes the current group, if page is for a
specific group
+ use_absolute -> for request for external resource or syllabus, this
+ will contain https:// if server uses
+ https (as per hosts.tab), but request is for http
+ hostname -> hostname, originally from $r->hostname(), (optional).
=back
@@ -15501,7 +15591,23 @@ sub init_user_environment {
opendir(DIR,$lonids);
while ($filename=readdir(DIR)) {
if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
- unlink($lonids.'/'.$filename);
+ if (tie(my %oldenv,'GDBM_File',"$lonids/$filename",
+ &GDBM_READER(),0640)) {
+ my $linkedfile;
+ if (exists($oldenv{'user.linkedenv'})) {
+ $linkedfile = $oldenv{'user.linkedenv'};
+ }
+ untie(%oldenv);
+ if (unlink("$lonids/$filename")) {
+ if ($linkedfile =~ /^[a-f0-9]+_linked$/) {
+ if (-l "$lonids/$linkedfile.id") {
+ unlink("$lonids/$linkedfile.id");
+ }
+ }
+ }
+ } else {
+ unlink($lonids.'/'.$filename);
+ }
}
}
closedir(DIR);
@@ -16634,10 +16740,10 @@ sub symb_to_docspath {
}
sub captcha_display {
- my ($context,$lonhost) = @_;
+ my ($context,$lonhost,$defdom) = @_;
my ($output,$error);
my ($captcha,$pubkey,$privkey,$version) =
- &get_captcha_config($context,$lonhost);
+ &get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {
$output = &create_captcha();
unless ($output) {
@@ -16653,9 +16759,9 @@ sub captcha_display {
}
sub captcha_response {
- my ($context,$lonhost) = @_;
+ my ($context,$lonhost,$defdom) = @_;
my ($captcha_chk,$captcha_error);
- my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost);
+ my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {
($captcha_chk,$captcha_error) = &check_captcha();
} elsif ($captcha eq 'recaptcha') {
@@ -16667,7 +16773,7 @@ sub captcha_response {
}
sub get_captcha_config {
- my ($context,$lonhost) = @_;
+ my ($context,$lonhost,$dom_in_effect) = @_;
my ($captcha,$pubkey,$privkey,$version,$hashtocheck);
my $hostname = &Apache::lonnet::hostname($lonhost);
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
@@ -16715,6 +16821,27 @@ sub get_captcha_config {
} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
$captcha = 'original';
}
+ } elsif ($context eq 'passwords') {
+ if ($dom_in_effect) {
+ my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect);
+ if ($passwdconf{'captcha'} eq 'recaptcha') {
+ if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') {
+ $pubkey = $passwdconf{'recaptchakeys'}{'public'};
+ $privkey = $passwdconf{'recaptchakeys'}{'private'};
+ }
+ if ($privkey && $pubkey) {
+ $captcha = 'recaptcha';
+ $version = $passwdconf{'recaptchaversion'};
+ if ($version ne '2') {
+ $version = 1;
+ }
+ } else {
+ $captcha = 'original';
+ }
+ } elsif ($passwdconf{'captcha'} ne 'notused') {
+ $captcha = 'original';
+ }
+ }
}
return ($captcha,$pubkey,$privkey,$version);
}
@@ -16934,6 +17061,157 @@ sub des_decrypt {
return $plaintext;
}
+sub is_nonframeable {
+ my ($url,$absolute,$hostname,$ip,$nocache) = @_;
+ my ($remprotocol,$remhost) = ($url =~ m{^(https?)\://(([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,})}i);
+ return if (($remprotocol eq '') || ($remhost eq ''));
+
+ $remprotocol = lc($remprotocol);
+ $remhost = lc($remhost);
+ my $remport = 80;
+ if ($remprotocol eq 'https') {
+ $remport = 443;
+ }
+ my ($result,$cached) = &Apache::lonnet::is_cached_new('noiframe',$remhost.':'.$remport);
+ if ($cached) {
+ unless ($nocache) {
+ if ($result) {
+ return 1;
+ } else {
+ return 0;
+ }
+ }
+ }
+ my $uselink;
+ my $request = new HTTP::Request('HEAD',$url);
+ my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',5);
+ if ($response->is_success()) {
+ my $secpolicy = lc($response->header('content-security-policy'));
+ my $xframeop = lc($response->header('x-frame-options'));
+ $secpolicy =~ s/^\s+|\s+$//g;
+ $xframeop =~ s/^\s+|\s+$//g;
+ if (($secpolicy ne '') || ($xframeop ne '')) {
+ my $remotehost = $remprotocol.'://'.$remhost;
+ my ($origin,$protocol,$port);
+ if ($ENV{'SERVER_PORT'} =~/^\d+$/) {
+ $port = $ENV{'SERVER_PORT'};
+ } else {
+ $port = 80;
+ }
+ if ($absolute eq '') {
+ $protocol = 'http:';
+ if ($port == 443) {
+ $protocol = 'https:';
+ }
+ $origin = $protocol.'//'.lc($hostname);
+ } else {
+ $origin = lc($absolute);
+ ($protocol,$hostname) = ($absolute =~ m{^(https?:)//([^/]+)$});
+ }
+ if (($secpolicy) && ($secpolicy =~ /\Qframe-ancestors\E([^;]*)(;|$)/)) {
+ my $framepolicy = $1;
+ $framepolicy =~ s/^\s+|\s+$//g;
+ my @policies = split(/\s+/,$framepolicy);
+ if (@policies) {
+ if (grep(/^\Q'none'\E$/,@policies)) {
+ $uselink = 1;
+ } else {
+ $uselink = 1;
+ if ((grep(/^\Q*\E$/,@policies)) || (grep(/^\Q$protocol\E$/,@policies)) ||
+ (($origin ne '') && (grep(/^\Q$origin\E$/,@policies))) ||
+ (($ip ne '') && (grep(/^\Q$ip\E$/,@policies)))) {
+ undef($uselink);
+ }
+ if ($uselink) {
+ if (grep(/^\Q'self'\E$/,@policies)) {
+ if (($origin ne '') && ($remotehost eq $origin)) {
+ undef($uselink);
+ }
+ }
+ }
+ if ($uselink) {
+ my @possok;
+ if ($ip ne '') {
+ push(@possok,$ip);
+ }
+ my $hoststr = '';
+ foreach my $part (reverse(split(/\./,$hostname))) {
+ if ($hoststr eq '') {
+ $hoststr = $part;
+ } else {
+ $hoststr = "$part.$hoststr";
+ }
+ if ($hoststr eq $hostname) {
+ push(@possok,$hostname);
+ } else {
+ push(@possok,"*.$hoststr");
+ }
+ }
+ if (@possok) {
+ foreach my $poss (@possok) {
+ last if (!$uselink);
+ foreach my $policy (@policies) {
+ if ($policy =~ m{^(\Q$protocol\E//|)\Q$poss\E(\Q:$port\E|)$}) {
+ undef($uselink);
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ } elsif ($xframeop ne '') {
+ $uselink = 1;
+ my @policies = split(/\s*,\s*/,$xframeop);
+ if (@policies) {
+ unless (grep(/^deny$/,@policies)) {
+ if ($origin ne '') {
+ if (grep(/^sameorigin$/,@policies)) {
+ if ($remotehost eq $origin) {
+ undef($uselink);
+ }
+ }
+ if ($uselink) {
+ foreach my $policy (@policies) {
+ if ($policy =~ /^allow-from\s*(.+)$/) {
+ my $allowfrom = $1;
+ if (($allowfrom ne '') && ($allowfrom eq $origin)) {
+ undef($uselink);
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ if ($nocache) {
+ if ($cached) {
+ my $devalidate;
+ if ($uselink && !$result) {
+ $devalidate = 1;
+ } elsif (!$uselink && $result) {
+ $devalidate = 1;
+ }
+ if ($devalidate) {
+ &Apache::lonnet::devalidate_cache_new('noiframe',$remhost.':'.$remport);
+ }
+ }
+ } else {
+ if ($uselink) {
+ $result = 1;
+ } else {
+ $result = 0;
+ }
+ &Apache::lonnet::do_cache_new('noiframe',$remhost.':'.$remport,$result,3600);
+ }
+ return $uselink;
+}
+
1;
__END__;