version 1.1089, 2012/08/07 09:25:39
|
version 1.1095, 2012/08/27 06:28:06
|
Line 70 use Apache::lonclonecourse();
|
Line 70 use Apache::lonclonecourse();
|
use LONCAPA qw(:DEFAULT :match); |
use LONCAPA qw(:DEFAULT :match); |
use DateTime::TimeZone; |
use DateTime::TimeZone; |
use DateTime::Locale::Catalog; |
use DateTime::Locale::Catalog; |
|
use Text::Aspell; |
|
use Authen::Captcha; |
|
use Captcha::reCAPTCHA; |
|
|
# ---------------------------------------------- Designs |
# ---------------------------------------------- Designs |
use vars qw(%defaultdesign); |
use vars qw(%defaultdesign); |
Line 887 sub check_uncheck_jscript {
|
Line 890 sub check_uncheck_jscript {
|
function checkAll(field) { |
function checkAll(field) { |
if (field.length > 0) { |
if (field.length > 0) { |
for (i = 0; i < field.length; i++) { |
for (i = 0; i < field.length; i++) { |
field[i].checked = true ; |
if (!field[i].disabled) { |
|
field[i].checked = true; |
|
} |
} |
} |
} else { |
} else { |
field.checked = true |
if (!field.disabled) { |
|
field.checked = true; |
|
} |
} |
} |
} |
} |
|
|
Line 3015 sub get_related_words {
|
Line 3022 sub get_related_words {
|
untie %thesaurus_db; |
untie %thesaurus_db; |
return @Words; |
return @Words; |
} |
} |
|
############################################################### |
|
# |
|
# Spell checking |
|
# |
|
|
|
=pod |
|
|
|
=head1 Spell checking |
|
|
|
=over 4 |
|
|
|
=item * &check_spelling($wordlist $language) |
|
|
|
Takes a string containing words and feeds it to an external |
|
spellcheck program via a pipeline. Returns a string containing |
|
them mis-spelled words. |
|
|
|
Parameters: |
|
|
|
=over 4 |
|
|
|
=item - $wordlist |
|
|
|
String that will be fed into the spellcheck program. |
|
|
|
=item - $language |
|
|
|
Language string that specifies the language for which the spell |
|
check will be performed. |
|
|
|
=back |
|
|
|
=back |
|
|
|
Note: This sub assumes that aspell is installed. |
|
|
|
|
|
=cut |
|
|
|
|
=pod |
=pod |
|
|
Line 3022 sub get_related_words {
|
Line 3068 sub get_related_words {
|
|
|
=cut |
=cut |
|
|
|
sub check_spelling { |
|
my ($wordlist, $language) = @_; |
|
my @misspellings; |
|
|
|
# Generate the speller and set the langauge. |
|
# if explicitly selected: |
|
|
|
my $speller = Text::Aspell->new; |
|
if ($language) { |
|
$speller->set_option('lang', $language); |
|
} |
|
|
|
# Turn the word list into an array of words by splittingon whitespace |
|
|
|
my @words = split(/\s+/, $wordlist); |
|
|
|
foreach my $word (@words) { |
|
if(! $speller->check($word)) { |
|
push(@misspellings, $word); |
|
} |
|
} |
|
return join(' ', @misspellings); |
|
|
|
} |
|
|
# -------------------------------------------------------------- Plaintext name |
# -------------------------------------------------------------- Plaintext name |
=pod |
=pod |
|
|
Line 13807 sub init_user_environment {
|
Line 13878 sub init_user_environment {
|
\%userenv,\%domdef,\%is_adv); |
\%userenv,\%domdef,\%is_adv); |
} |
} |
|
|
|
$userenv{'canrequest.author'} = |
|
&Apache::lonnet::usertools_access($username,$domain,'requestauthor', |
|
'reload','requestauthor', |
|
\%userenv,\%domdef,\%is_adv); |
|
my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], |
|
$domain,$username); |
|
my $reqstatus = $reqauthor{'author_status'}; |
|
if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { |
|
if (ref($reqauthor{'author'}) eq 'HASH') { |
|
$userenv{'requestauthorqueued'} = $reqstatus.':'. |
|
$reqauthor{'author'}{'timestamp'}; |
|
} |
|
} |
|
|
$env{'user.environment'} = "$lonids/$cookie.id"; |
$env{'user.environment'} = "$lonids/$cookie.id"; |
|
|
if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", |
if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", |
Line 13981 sub parse_supplemental_title {
|
Line 14066 sub parse_supplemental_title {
|
return $title; |
return $title; |
} |
} |
|
|
|
sub captcha_display { |
|
my ($context,$lonhost) = @_; |
|
my ($output,$error); |
|
my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost); |
|
if ($captcha eq 'original') { |
|
$output = &create_captcha(); |
|
unless ($output) { |
|
$error = 'captcha'; |
|
} |
|
} elsif ($captcha eq 'recaptcha') { |
|
$output = &create_recaptcha($pubkey); |
|
unless ($output) { |
|
$error = 'recaptcha'; |
|
} |
|
} |
|
return ($output,$error); |
|
} |
|
|
|
sub captcha_response { |
|
my ($context,$lonhost) = @_; |
|
my ($captcha_chk,$captcha_error); |
|
my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost); |
|
if ($captcha eq 'original') { |
|
($captcha_chk,$captcha_error) = &check_captcha(); |
|
} elsif ($captcha eq 'recaptcha') { |
|
$captcha_chk = &check_recaptcha($privkey); |
|
} else { |
|
$captcha_chk = 1; |
|
} |
|
return ($captcha_chk,$captcha_error); |
|
} |
|
|
|
sub get_captcha_config { |
|
my ($context,$lonhost) = @_; |
|
my ($captcha,$pubkey,$privkey,$hashtocheck); |
|
my $hostname = &Apache::lonnet::hostname($lonhost); |
|
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname); |
|
my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); |
|
if ($context eq 'usercreation') { |
|
my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom); |
|
if (ref($domconfig{$context}) eq 'HASH') { |
|
$hashtocheck = $domconfig{$context}{'cancreate'}; |
|
if (ref($hashtocheck) eq 'HASH') { |
|
if ($hashtocheck->{'captcha'} eq 'recaptcha') { |
|
if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') { |
|
$pubkey = $hashtocheck->{'recaptchakeys'}{'public'}; |
|
$privkey = $hashtocheck->{'recaptchakeys'}{'private'}; |
|
} |
|
if ($privkey && $pubkey) { |
|
$captcha = 'recaptcha'; |
|
} else { |
|
$captcha = 'original'; |
|
} |
|
} elsif ($hashtocheck->{'captcha'} ne 'notused') { |
|
$captcha = 'original'; |
|
} |
|
} |
|
} else { |
|
$captcha = 'captcha'; |
|
} |
|
} elsif ($context eq 'login') { |
|
my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom); |
|
if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') { |
|
$pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'}; |
|
$privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'}; |
|
if ($privkey && $pubkey) { |
|
$captcha = 'recaptcha'; |
|
} else { |
|
$captcha = 'original'; |
|
} |
|
} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') { |
|
$captcha = 'original'; |
|
} |
|
} |
|
return ($captcha,$pubkey,$privkey); |
|
} |
|
|
|
sub create_captcha { |
|
my %captcha_params = &captcha_settings(); |
|
my ($output,$maxtries,$tries) = ('',10,0); |
|
while ($tries < $maxtries) { |
|
$tries ++; |
|
my $captcha = Authen::Captcha->new ( |
|
output_folder => $captcha_params{'output_dir'}, |
|
data_folder => $captcha_params{'db_dir'}, |
|
); |
|
my $md5sum = $captcha->generate_code($captcha_params{'numchars'}); |
|
|
|
if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') { |
|
$output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n". |
|
&mt('Type in the letters/numbers shown below').' '. |
|
'<input type="text" size="5" name="code" value="" /><br />'. |
|
'<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />'; |
|
last; |
|
} |
|
} |
|
return $output; |
|
} |
|
|
|
sub captcha_settings { |
|
my %captcha_params = ( |
|
output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'}, |
|
www_output_dir => "/captchaspool", |
|
db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'}, |
|
numchars => '5', |
|
); |
|
return %captcha_params; |
|
} |
|
|
|
sub check_captcha { |
|
my ($captcha_chk,$captcha_error); |
|
my $code = $env{'form.code'}; |
|
my $md5sum = $env{'form.crypt'}; |
|
my %captcha_params = &captcha_settings(); |
|
my $captcha = Authen::Captcha->new( |
|
output_folder => $captcha_params{'output_dir'}, |
|
data_folder => $captcha_params{'db_dir'}, |
|
); |
|
my $captcha_chk = $captcha->check_code($code,$md5sum); |
|
my %captcha_hash = ( |
|
0 => 'Code not checked (file error)', |
|
-1 => 'Failed: code expired', |
|
-2 => 'Failed: invalid code (not in database)', |
|
-3 => 'Failed: invalid code (code does not match crypt)', |
|
); |
|
if ($captcha_chk != 1) { |
|
$captcha_error = $captcha_hash{$captcha_chk} |
|
} |
|
return ($captcha_chk,$captcha_error); |
|
} |
|
|
|
sub create_recaptcha { |
|
my ($pubkey) = @_; |
|
my $captcha = Captcha::reCAPTCHA->new; |
|
return $captcha->get_options_setter({theme => 'white'})."\n". |
|
$captcha->get_html($pubkey). |
|
&mt('If either word is hard to read, [_1] will replace them.', |
|
'<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />'). |
|
'<br /><br />'; |
|
} |
|
|
|
sub check_recaptcha { |
|
my ($privkey) = @_; |
|
my $captcha_chk; |
|
my $captcha = Captcha::reCAPTCHA->new; |
|
my $captcha_result = |
|
$captcha->check_answer( |
|
$privkey, |
|
$ENV{'REMOTE_ADDR'}, |
|
$env{'form.recaptcha_challenge_field'}, |
|
$env{'form.recaptcha_response_field'}, |
|
); |
|
if ($captcha_result->{is_valid}) { |
|
$captcha_chk = 1; |
|
} |
|
return $captcha_chk; |
|
} |
|
|
=pod |
=pod |
|
|
=back |
=back |