version 1.1088, 2012/08/06 11:09:10
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version 1.1104, 2012/12/19 23:03:37
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Line 70 use Apache::lonclonecourse();
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Line 70 use Apache::lonclonecourse();
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use LONCAPA qw(:DEFAULT :match); |
use LONCAPA qw(:DEFAULT :match); |
use DateTime::TimeZone; |
use DateTime::TimeZone; |
use DateTime::Locale::Catalog; |
use DateTime::Locale::Catalog; |
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use Text::Aspell; |
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use Authen::Captcha; |
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use Captcha::reCAPTCHA; |
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# ---------------------------------------------- Designs |
# ---------------------------------------------- Designs |
use vars qw(%defaultdesign); |
use vars qw(%defaultdesign); |
Line 887 sub check_uncheck_jscript {
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Line 890 sub check_uncheck_jscript {
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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) { |
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field[i].checked = true; |
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} |
} |
} |
} else { |
} else { |
field.checked = true |
if (!field.disabled) { |
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field.checked = true; |
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} |
} |
} |
} |
} |
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Line 1016 sub list_languages {
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Line 1023 sub list_languages {
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if ($code) { |
if ($code) { |
my $selector = $supported_codes{$id}; |
my $selector = $supported_codes{$id}; |
my $description = &plainlanguagedescription($id); |
my $description = &plainlanguagedescription($id); |
&Apache::lonnet::logthis("pushing $selector : $description"); |
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push (@lang_choices, [$selector, $description]); |
push (@lang_choices, [$selector, $description]); |
} |
} |
} |
} |
Line 2520 sub authform_nochange{
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Line 2526 sub authform_nochange{
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kerb_def_dom => 'MSU.EDU', |
kerb_def_dom => 'MSU.EDU', |
@_, |
@_, |
); |
); |
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); |
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); |
my $result; |
my $result; |
if (keys(%can_assign) == 0) { |
if (!$authnum) { |
$result = &mt('Under you current role you are not permitted to change login settings for this user'); |
$result = &mt('Under you current role you are not permitted to change login settings for this user'); |
} else { |
} else { |
$result = '<label>'.&mt('[_1] Do not change login data', |
$result = '<label>'.&mt('[_1] Do not change login data', |
'<input type="radio" name="login" value="nochange" '. |
'<input type="radio" name="login" value="nochange" '. |
Line 2593 sub authform_kerberos {
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Line 2599 sub authform_kerberos {
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if (defined($in{'mode'})) { |
if (defined($in{'mode'})) { |
if ($in{'mode'} eq 'modifycourse') { |
if ($in{'mode'} eq 'modifycourse') { |
if ($authnum == 1) { |
if ($authnum == 1) { |
$authtype = '<input type="hidden" name="login" value="krb" />'; |
$authtype = '<input type="radio" name="login" value="krb" />'; |
} |
} |
} |
} |
} |
} |
Line 2643 sub authform_kerberos {
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Line 2649 sub authform_kerberos {
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return $result; |
return $result; |
} |
} |
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sub authform_internal{ |
sub authform_internal { |
my %in = ( |
my %in = ( |
formname => 'document.cu', |
formname => 'document.cu', |
kerb_def_dom => 'MSU.EDU', |
kerb_def_dom => 'MSU.EDU', |
Line 2679 sub authform_internal{
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Line 2685 sub authform_internal{
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if (defined($in{'mode'})) { |
if (defined($in{'mode'})) { |
if ($in{'mode'} eq 'modifycourse') { |
if ($in{'mode'} eq 'modifycourse') { |
if ($authnum == 1) { |
if ($authnum == 1) { |
$authtype = '<input type="hidden" name="login" value="int" />'; |
$authtype = '<input type="radio" name="login" value="int" />'; |
} |
} |
} |
} |
} |
} |
Line 2698 sub authform_internal{
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Line 2704 sub authform_internal{
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return $result; |
return $result; |
} |
} |
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sub authform_local{ |
sub authform_local { |
my %in = ( |
my %in = ( |
formname => 'document.cu', |
formname => 'document.cu', |
kerb_def_dom => 'MSU.EDU', |
kerb_def_dom => 'MSU.EDU', |
Line 2734 sub authform_local{
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Line 2740 sub authform_local{
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if (defined($in{'mode'})) { |
if (defined($in{'mode'})) { |
if ($in{'mode'} eq 'modifycourse') { |
if ($in{'mode'} eq 'modifycourse') { |
if ($authnum == 1) { |
if ($authnum == 1) { |
$authtype = '<input type="hidden" name="login" value="loc" />'; |
$authtype = '<input type="radio" name="login" value="loc" />'; |
} |
} |
} |
} |
} |
} |
Line 2785 sub authform_filesystem{
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Line 2791 sub authform_filesystem{
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if (defined($in{'mode'})) { |
if (defined($in{'mode'})) { |
if ($in{'mode'} eq 'modifycourse') { |
if ($in{'mode'} eq 'modifycourse') { |
if ($authnum == 1) { |
if ($authnum == 1) { |
$authtype = '<input type="hidden" name="login" value="fsys" />'; |
$authtype = '<input type="radio" name="login" value="fsys" />'; |
} |
} |
} |
} |
} |
} |
Line 3016 sub get_related_words {
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Line 3022 sub get_related_words {
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untie %thesaurus_db; |
untie %thesaurus_db; |
return @Words; |
return @Words; |
} |
} |
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############################################################### |
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# |
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# Spell checking |
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# |
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=pod |
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=head1 Spell checking |
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=over 4 |
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=item * &check_spelling($wordlist $language) |
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Takes a string containing words and feeds it to an external |
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spellcheck program via a pipeline. Returns a string containing |
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them mis-spelled words. |
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Parameters: |
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=over 4 |
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=item - $wordlist |
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String that will be fed into the spellcheck program. |
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=item - $language |
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Language string that specifies the language for which the spell |
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check will be performed. |
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=back |
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=back |
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Note: This sub assumes that aspell is installed. |
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=cut |
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=pod |
=pod |
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Line 3023 sub get_related_words {
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Line 3068 sub get_related_words {
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=cut |
=cut |
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sub check_spelling { |
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my ($wordlist, $language) = @_; |
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my @misspellings; |
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# Generate the speller and set the langauge. |
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# if explicitly selected: |
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my $speller = Text::Aspell->new; |
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if ($language) { |
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$speller->set_option('lang', $language); |
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} |
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# Turn the word list into an array of words by splittingon whitespace |
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my @words = split(/\s+/, $wordlist); |
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foreach my $word (@words) { |
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if(! $speller->check($word)) { |
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push(@misspellings, $word); |
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} |
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} |
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return join(' ', @misspellings); |
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} |
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# -------------------------------------------------------------- Plaintext name |
# -------------------------------------------------------------- Plaintext name |
=pod |
=pod |
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Line 3256 sub aboutmewrapper {
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Line 3326 sub aboutmewrapper {
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if (!defined($username) && !defined($domain)) { |
if (!defined($username) && !defined($domain)) { |
return; |
return; |
} |
} |
return '<a href="/adm/'.$domain.'/'.$username.'/aboutme?forcestudent=1"'. |
return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'. |
($target?' target="'.$target.'"':'').($class?' class="'.$class.'"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>'; |
($target?' target="'.$target.'"':'').($class?' class="'.$class.'"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>'; |
} |
} |
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Line 4990 Inputs:
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Line 5060 Inputs:
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should it have jsmath forced on by the |
should it have jsmath forced on by the |
current page |
current page |
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=item * $advtoolsref, optional argument, ref to an array containing |
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inlineremote items to be added in "Functions" menu below |
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breadcrumbs. |
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=back |
=back |
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Returns: A uniform header for LON-CAPA web pages. |
Returns: A uniform header for LON-CAPA web pages. |
Line 5001 other decorations will be returned.
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Line 5075 other decorations will be returned.
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sub bodytag { |
sub bodytag { |
my ($title,$function,$addentries,$bodyonly,$domain,$forcereg, |
my ($title,$function,$addentries,$bodyonly,$domain,$forcereg, |
$no_nav_bar,$bgcolor,$args)=@_; |
$no_nav_bar,$bgcolor,$args,$advtoolsref)=@_; |
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my $public; |
my $public; |
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')) |
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')) |
Line 5120 sub bodytag {
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Line 5194 sub bodytag {
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if ($env{'request.state'} eq 'construct') { |
if ($env{'request.state'} eq 'construct') { |
$bodytag .= &Apache::lonmenu::innerregister($forcereg, |
$bodytag .= &Apache::lonmenu::innerregister($forcereg, |
$args->{'bread_crumbs'}); |
$args->{'bread_crumbs'}); |
} elsif ($forcereg) { |
} elsif ($forcereg) { |
$bodytag .= &Apache::lonmenu::innerregister($forcereg); |
$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef, |
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$args->{'group'}); |
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} else { |
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$bodytag .= |
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&Apache::lonmenu::prepare_functions($env{'request.noversionuri'}, |
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$forcereg,$args->{'group'}, |
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$args->{'bread_crumbs'}, |
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$advtoolsref); |
} |
} |
}else{ |
}else{ |
# this is to seperate menu from content when there's no secondary |
# this is to seperate menu from content when there's no secondary |
Line 5336 form, .inline {
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Line 5417 form, .inline {
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.LC_error { |
.LC_error { |
color: red; |
color: red; |
font-size: larger; |
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} |
} |
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.LC_warning, |
.LC_warning { |
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color: darkorange; |
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} |
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.LC_diff_removed { |
.LC_diff_removed { |
color: red; |
color: red; |
} |
} |
Line 5502 td.LC_table_cell_checkbox {
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Line 5585 td.LC_table_cell_checkbox {
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text-align: left; |
text-align: left; |
} |
} |
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.LC_head_subbox { |
.LC_head_subbox, .LC_actionbox { |
clear:both; |
clear:both; |
background: #F8F8F8; /* $sidebg; */ |
background: #F8F8F8; /* $sidebg; */ |
border: 1px solid $sidebg; |
border: 1px solid $sidebg; |
margin: 0 0 10px 0; |
margin: 0 0 10px 0; |
padding: 3px; |
padding: 3px; |
text-align: left; |
text-align: left; |
} |
} |
Line 6201 div.LC_docs_entry_move {
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Line 6284 div.LC_docs_entry_move {
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table.LC_data_table tr > td.LC_docs_entry_commands, |
table.LC_data_table tr > td.LC_docs_entry_commands, |
table.LC_data_table tr > td.LC_docs_entry_parameter { |
table.LC_data_table tr > td.LC_docs_entry_parameter { |
background: #DDDDDD; |
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font-size: x-small; |
font-size: x-small; |
} |
} |
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Line 7037 ul.LC_funclist li {
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Line 7119 ul.LC_funclist li {
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cursor:pointer; |
cursor:pointer; |
} |
} |
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/* |
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styles used by TTH when "Default set of options to pass to tth/m |
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when converting TeX" in course settings has been set |
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option passed: -t |
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*/ |
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td div.comp { margin-top: -0.6ex; margin-bottom: -1ex;} |
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td div.comb { margin-top: -0.6ex; margin-bottom: -.6ex;} |
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td div.hrcomp { line-height: 0.9; margin-top: -0.8ex; margin-bottom: -1ex;} |
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td div.norm {line-height:normal;} |
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/* |
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option passed -y3 |
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*/ |
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span.roman {font-family: serif; font-style: normal; font-weight: normal;} |
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span.overacc2 {position: relative; left: .8em; top: -1.2ex;} |
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span.overacc1 {position: relative; left: .6em; top: -1.2ex;} |
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END |
END |
} |
} |
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Line 7306 $args - additional optional args support
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Line 7409 $args - additional optional args support
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current page |
current page |
bread_crumbs -> Array containing breadcrumbs |
bread_crumbs -> Array containing breadcrumbs |
bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs |
bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs |
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group -> includes the current group, if page is for a |
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specific group |
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=back |
=back |
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Line 7318 sub start_page {
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Line 7423 sub start_page {
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#&Apache::lonnet::logthis("start_page ".join(':',caller(0))); |
#&Apache::lonnet::logthis("start_page ".join(':',caller(0))); |
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$env{'internal.start_page'}++; |
$env{'internal.start_page'}++; |
my $result; |
my ($result,@advtools); |
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if (! exists($args->{'skip_phases'}{'head'}) ) { |
if (! exists($args->{'skip_phases'}{'head'}) ) { |
$result .= &xml_begin() . &headtag($title, $head_extra, $args); |
$result .= &xml_begin() . &headtag($title, $head_extra, $args); |
Line 7335 sub start_page {
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Line 7440 sub start_page {
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$args->{'function'}, $args->{'add_entries'}, |
$args->{'function'}, $args->{'add_entries'}, |
$args->{'only_body'}, $args->{'domain'}, |
$args->{'only_body'}, $args->{'domain'}, |
$args->{'force_register'}, $args->{'no_nav_bar'}, |
$args->{'force_register'}, $args->{'no_nav_bar'}, |
$args->{'bgcolor'}, $args); |
$args->{'bgcolor'}, $args, |
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\@advtools); |
} |
} |
} |
} |
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Line 7364 sub start_page {
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Line 7470 sub start_page {
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&Apache::lonhtmlcommon::add_breadcrumb($crumb); |
&Apache::lonhtmlcommon::add_breadcrumb($crumb); |
} |
} |
} |
} |
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# if @advtools array contains items add then to the breadcrumbs |
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if (@advtools > 0) { |
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&Apache::lonmenu::advtools_crumbs(@advtools); |
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} |
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#if bread_crumbs_component exists show it as headline else show only the breadcrumbs |
#if bread_crumbs_component exists show it as headline else show only the breadcrumbs |
if(exists($args->{'bread_crumbs_component'})){ |
if(exists($args->{'bread_crumbs_component'})){ |
Line 7759 sub simple_error_page {
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Line 7869 sub simple_error_page {
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my ($r,$title,$msg) = @_; |
my ($r,$title,$msg) = @_; |
my $page = |
my $page = |
&Apache::loncommon::start_page($title). |
&Apache::loncommon::start_page($title). |
&mt($msg). |
'<p class="LC_error">'.&mt($msg).'</p>'. |
&Apache::loncommon::end_page(); |
&Apache::loncommon::end_page(); |
if (ref($r)) { |
if (ref($r)) { |
$r->print($page); |
$r->print($page); |
Line 8876 sub user_rule_formats {
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Line 8986 sub user_rule_formats {
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my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check); |
my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check); |
if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) { |
if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) { |
if (@{$ruleorder} > 0) { |
if (@{$ruleorder} > 0) { |
$output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>'; |
$output = '<br />'. |
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&mt($text{$check}.' with the following format(s) may [_1]only[_2] be used for verified users at [_3]:', |
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'<span class="LC_cusr_emph">','</span>',$domdesc). |
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' <ul>'; |
foreach my $rule (@{$ruleorder}) { |
foreach my $rule (@{$ruleorder}) { |
if (ref($curr_rules) eq 'ARRAY') { |
if (ref($curr_rules) eq 'ARRAY') { |
if (grep(/^\Q$rule\E$/,@{$curr_rules})) { |
if (grep(/^\Q$rule\E$/,@{$curr_rules})) { |
Line 11209 sub process_extracted_files {
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Line 11322 sub process_extracted_files {
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if ($env{'form.folderpath'}) { |
if ($env{'form.folderpath'}) { |
my @items = split('&',$env{'form.folderpath'}); |
my @items = split('&',$env{'form.folderpath'}); |
$folders{'0'} = $items[-2]; |
$folders{'0'} = $items[-2]; |
$containers{'0'}='sequence'; |
if ($env{'form.folderpath'} =~ /\:1$/) { |
} elsif ($env{'form.pagepath'}) { |
$containers{'0'}='page'; |
my @items = split('&',$env{'form.pagepath'}); |
} else { |
$folders{'0'} = $items[-2]; |
$containers{'0'}='sequence'; |
$containers{'0'}='page'; |
} |
} |
} |
my @archdirs = &get_env_multiple('form.archive_directory'); |
my @archdirs = &get_env_multiple('form.archive_directory'); |
if ($numitems) { |
if ($numitems) { |
Line 13141 sub commit_studentrole {
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Line 13254 sub commit_studentrole {
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$result = $modify_section_result; |
$result = $modify_section_result; |
} elsif ($secchange == 1) { |
} elsif ($secchange == 1) { |
if ($oldsec eq '') { |
if ($oldsec eq '') { |
$$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed; |
$$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_2] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed; |
} else { |
} else { |
$$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed; |
$$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed; |
} |
} |
Line 13808 sub init_user_environment {
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Line 13921 sub init_user_environment {
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\%userenv,\%domdef,\%is_adv); |
\%userenv,\%domdef,\%is_adv); |
} |
} |
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$userenv{'canrequest.author'} = |
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&Apache::lonnet::usertools_access($username,$domain,'requestauthor', |
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'reload','requestauthor', |
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\%userenv,\%domdef,\%is_adv); |
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my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], |
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$domain,$username); |
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my $reqstatus = $reqauthor{'author_status'}; |
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if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { |
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if (ref($reqauthor{'author'}) eq 'HASH') { |
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$userenv{'requestauthorqueued'} = $reqstatus.':'. |
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$reqauthor{'author'}{'timestamp'}; |
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} |
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} |
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$env{'user.environment'} = "$lonids/$cookie.id"; |
$env{'user.environment'} = "$lonids/$cookie.id"; |
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if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", |
if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", |
Line 13982 sub parse_supplemental_title {
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Line 14109 sub parse_supplemental_title {
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return $title; |
return $title; |
} |
} |
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sub symb_to_docspath { |
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my ($symb) = @_; |
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return unless ($symb); |
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my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb); |
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if ($resurl=~/\.(sequence|page)$/) { |
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$mapurl=$resurl; |
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} elsif ($resurl eq 'adm/navmaps') { |
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$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'}; |
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} |
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my $mapresobj; |
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my $navmap = Apache::lonnavmaps::navmap->new(); |
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if (ref($navmap)) { |
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$mapresobj = $navmap->getResourceByUrl($mapurl); |
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} |
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$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1}; |
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my $type=$2; |
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my $path; |
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if (ref($mapresobj)) { |
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my $pcslist = $mapresobj->map_hierarchy(); |
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if ($pcslist ne '') { |
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foreach my $pc (split(/,/,$pcslist)) { |
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next if ($pc <= 1); |
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my $res = $navmap->getByMapPc($pc); |
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if (ref($res)) { |
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my $thisurl = $res->src(); |
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$thisurl=~s{^.*/([^/]+)\.\w+$}{$1}; |
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my $thistitle = $res->title(); |
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$path .= '&'. |
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&Apache::lonhtmlcommon::entity_encode($thisurl).'&'. |
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&Apache::lonhtmlcommon::entity_encode($thistitle). |
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':'.$res->randompick(). |
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':'.$res->randomout(). |
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':'.$res->encrypted(). |
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':'.$res->randomorder(). |
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':'.$res->is_page(); |
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} |
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} |
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} |
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$path =~ s/^\&//; |
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my $maptitle = $mapresobj->title(); |
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if ($mapurl eq 'default') { |
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$maptitle = 'Main Course Documents'; |
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} |
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$path .= (($path ne '')? '&' : ''). |
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&Apache::lonhtmlcommon::entity_encode($mapurl).'&'. |
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&Apache::lonhtmlcommon::entity_encode($maptitle). |
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':'.$mapresobj->randompick(). |
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':'.$mapresobj->randomout(). |
|
':'.$mapresobj->encrypted(). |
|
':'.$mapresobj->randomorder(). |
|
':'.$mapresobj->is_page(); |
|
} else { |
|
my $maptitle = &Apache::lonnet::gettitle($mapurl); |
|
my $ispage = (($type eq 'page')? 1 : ''); |
|
if ($mapurl eq 'default') { |
|
$maptitle = 'Main Course Documents'; |
|
} |
|
$path = &Apache::lonhtmlcommon::entity_encode($mapurl).'&'. |
|
&Apache::lonhtmlcommon::entity_encode($maptitle).':::::'.$ispage; |
|
} |
|
unless ($mapurl eq 'default') { |
|
$path = 'default&'. |
|
&Apache::lonhtmlcommon::entity_encode('Main Course Documents'). |
|
':::::&'.$path; |
|
} |
|
return $path; |
|
} |
|
|
|
sub captcha_display { |
|
my ($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 |