version 1.11, 2018/05/14 19:56:05
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version 1.33, 2022/02/08 15:08:53
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Line 31 package Apache::ltiauth;
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Line 31 package Apache::ltiauth;
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use strict; |
use strict; |
use LONCAPA qw(:DEFAULT :match); |
use LONCAPA qw(:DEFAULT :match); |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Net::OAuth; |
|
use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon; |
Line 42 use LONCAPA::ltiutils;
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Line 41 use LONCAPA::ltiutils;
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
my $requri = $r->uri; |
my $requri = $r->uri; |
|
my $hostname = $r->hostname; |
# |
# |
# Check for existing session, and temporarily delete any form items |
# Check for existing session, and temporarily delete any form items |
# in %env, if session exists |
# in %env, if session exists |
Line 57 sub handler {
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Line 57 sub handler {
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} |
} |
} |
} |
# |
# |
# Retrieve data POSTed by LTI Consumer on launch |
# Retrieve data POSTed by LTI launch |
# |
# |
&Apache::lonacc::get_posted_cgi($r); |
&Apache::lonacc::get_posted_cgi($r); |
my $params = {}; |
my $params = {}; |
Line 67 sub handler {
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Line 67 sub handler {
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} |
} |
} |
} |
# |
# |
# Check for existing session, and restored temporarily |
# Check for existing session, and restore temporarily |
# deleted form items to %env, if session exists. |
# deleted form items to %env, if session exists. |
# |
# |
if ($handle ne '') { |
if ($handle ne '') { |
Line 79 sub handler {
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Line 79 sub handler {
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} |
} |
|
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unless (keys(%{$params})) { |
unless (keys(%{$params})) { |
&invalid_request($r,1); |
&invalid_request($r,'No parameters included in launch request'); |
return OK; |
return OK; |
} |
} |
|
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Line 89 sub handler {
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Line 89 sub handler {
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$params->{'oauth_version'} && |
$params->{'oauth_version'} && |
$params->{'oauth_signature'} && |
$params->{'oauth_signature'} && |
$params->{'oauth_signature_method'}) { |
$params->{'oauth_signature_method'}) { |
&invalid_request($r,2); |
&invalid_request($r,'One or more required parameters missing from launch request'); |
return OK; |
return OK; |
} |
} |
|
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Line 97 sub handler {
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Line 97 sub handler {
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# Retrieve "internet domains" for all this institution's LON-CAPA |
# Retrieve "internet domains" for all this institution's LON-CAPA |
# nodes. |
# nodes. |
# |
# |
my ($udom,$uname,$uhome,$cdom,$cnum,$symb,$mapurl,@intdoms); |
my @intdoms; |
my $lonhost = $r->dir_config('lonHostID'); |
my $lonhost = $r->dir_config('lonHostID'); |
my $internet_names = &Apache::lonnet::get_internet_names($lonhost); |
my $internet_names = &Apache::lonnet::get_internet_names($lonhost); |
if (ref($internet_names) eq 'ARRAY') { |
if (ref($internet_names) eq 'ARRAY') { |
@intdoms = @{$internet_names}; |
@intdoms = @{$internet_names}; |
} |
} |
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# |
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# Determine course's domain in LON-CAPA |
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# for basic launch using key and secret managed |
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# in LON-CAPA course (i.e., uri begins /adm/launch) |
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# |
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my ($cdom,$cnum); |
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# Note: "internet domain" for course's domain must be one of the |
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# internet domains for the institution's LON-CAPA servers. |
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# |
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if ($requri =~ m{^/adm/launch(|/.*)$}) { |
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my $tail = $1; |
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if ($tail =~ m{^/tiny/($match_domain)/(\w+)$}) { |
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my ($urlcdom,$urlcnum) = &course_from_tinyurl($tail); |
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if (($urlcdom ne '') && ($urlcnum ne '')) { |
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$cdom = $urlcdom; |
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$cnum = $urlcnum; |
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my $primary_id = &Apache::lonnet::domain($cdom,'primary'); |
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if ($primary_id ne '') { |
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my $intdom = &Apache::lonnet::internet_dom($primary_id); |
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if (($intdom ne '') && (grep(/^\Q$intdom\E$/,@intdoms))) { |
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# |
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# Verify the signed request using the secret for LTI link |
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# protectors for which the key in the POSTed data matches |
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# keys in the course configuration. |
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# |
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# Request is invalid if the signed request could not be verified |
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# for the key and secret from LON-CAPA course configuration for |
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# LTI link protectors or from LON-CAPA configuration for the |
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# course's domain if there are LTI Providers which may be used. |
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# |
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# Determine if nonce in POSTed data has expired. |
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# If unexpired, confirm it has not already been used. |
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# |
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# Retrieve information for LTI link protectors in course |
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# where url was /adm/launch/tiny/$cdom/$uniqueid |
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# |
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my ($itemid,$ltitype,%crslti,%lti_in_use); |
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$itemid = &get_lti_itemid($requri,$hostname,$params,$cdom,$cnum,'deeplink'); |
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if ($itemid) { |
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%crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider'); |
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} |
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if (($itemid) && (ref($crslti{$itemid}) eq 'HASH')) { |
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$ltitype = 'c'; |
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if (&LONCAPA::ltiutils::check_nonce($params->{'oauth_nonce'},$params->{'oauth_timestamp'}, |
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$crslti{$itemid}{'lifetime'},$cdom,$r->dir_config('lonLTIDir'))) { |
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%lti_in_use = %{$crslti{$itemid}}; |
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} else { |
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&invalid_request($r,'Time limit exceeded for launch request credentials'); |
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return OK; |
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} |
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} else { |
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$itemid = &get_lti_itemid($requri,$hostname,$params,$cdom,'','deeplink'); |
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my %lti; |
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if ($itemid) { |
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%lti = &Apache::lonnet::get_domain_lti($cdom,'provider'); |
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} |
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if (($itemid) && (ref($lti{$itemid}) eq 'HASH')) { |
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$ltitype = 'd'; |
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if (&LONCAPA::ltiutils::check_nonce($params->{'oauth_nonce'},$params->{'oauth_timestamp'}, |
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$lti{$itemid}{'lifetime'},$cdom, |
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$r->dir_config('lonLTIDir'))) { |
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%lti_in_use = %{$lti{$itemid}}; |
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} else { |
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&invalid_request($r,'Time limit exceeded for launch request credentials'); |
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return OK; |
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} |
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} |
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} |
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if (($itemid) && ($lti_in_use{'requser'})) { |
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my %courseinfo = &Apache::lonnet::coursedescription($cdom.'_'.$cnum); |
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my $ltiauth; |
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if (exists($courseinfo{'internal.ltiauth'})) { |
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$ltiauth = $courseinfo{'internal.ltiauth'}; |
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} else { |
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my %domdefs = &Apache::lonnet::get_domain_defaults($cdom); |
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$ltiauth = $domdefs{'crsltiauth'}; |
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} |
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if ($ltiauth) { |
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my $possuname; |
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my $mapuser = $crslti{$itemid}{'mapuser'}; |
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if ($mapuser eq 'sourcedid') { |
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if ($params->{'lis_person_sourcedid'} =~ /^$match_username$/) { |
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$possuname = $params->{'lis_person_sourcedid'}; |
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} |
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} elsif ($mapuser eq 'email') { |
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if ($params->{'lis_person_contact_email_primary'} =~ /^$match_username$/) { |
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$possuname = $params->{'lis_person_contact_email_primary'}; |
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} |
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} elsif (exists($params->{$mapuser})) { |
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if ($params->{$mapuser} =~ /^$match_username$/) { |
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$possuname = $params->{$mapuser}; |
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} |
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} |
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if ($possuname ne '') { |
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my $uhome = &Apache::lonnet::homeserver($possuname,$cdom); |
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unless ($uhome eq 'no_host') { |
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my $uname = $possuname; |
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my ($is_student,$is_nonstudent); |
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my %course_roles = |
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&Apache::lonnet::get_my_roles($uname,$cdom,,'userroles',['active'], |
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['cc','co','in','ta','ep','ad','st','cr'], |
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[$cdom]); |
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foreach my $key (keys(%course_roles)) { |
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my ($trest,$tdomain,$trole,$sec) = split(/:/,$key); |
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if (($trest eq $cnum) && ($tdomain eq $cdom)) { |
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if ($trole eq 'st') { |
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$is_student = 1; |
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} else { |
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$is_nonstudent = 1; |
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last; |
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} |
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} |
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} |
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if (($is_student) && (!$is_nonstudent)) { |
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unless (&Apache::lonnet::is_advanced_user($uname,$cdom)) { |
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foreach my $key (%{$params}) { |
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delete($env{'form.'.$key}); |
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} |
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&linkprot_session($r,$uname,$cnum,$cdom,$uhome,$itemid,$ltitype,$tail,$lonhost); |
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return OK; |
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} |
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} |
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} |
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} |
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if ($lti_in_use{'notstudent'} eq 'reject') { |
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&invalid_request($r,'Information for valid user missing from launch request'); |
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} |
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} |
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} |
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if ($itemid) { |
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foreach my $key (%{$params}) { |
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delete($env{'form.'.$key}); |
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} |
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my $ltoken = &Apache::lonnet::tmpput({'linkprot' => $itemid.$ltitype.':'.$tail}, |
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$lonhost,'link'); |
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if ($ltoken) { |
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$r->internal_redirect($tail.'?ltoken='.$ltoken); |
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$r->set_handlers('PerlHandler'=> undef); |
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} else { |
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&invalid_request($r,'Failed to store information from launch request'); |
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} |
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} else { |
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&invalid_request($r,'Launch request could not be validated'); |
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} |
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} else { |
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&invalid_request($r,'Launch unavailable on this LON-CAPA server'); |
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} |
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} else { |
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&invalid_request($r,'Launch unavailable for this domain'); |
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} |
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} else { |
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&invalid_request($r,'Invalid launch URL'); |
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} |
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} else { |
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&invalid_request($r,'Invalid launch URL'); |
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} |
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return OK; |
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} |
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my ($udom,$uname,$uhome,$symb,$mapurl); |
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# |
# |
# For user who launched LTI in Consumer, determine user's domain in |
# For user who launched LTI in Consumer, determine user's domain in |
Line 198 sub handler {
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Line 361 sub handler {
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if ($tail =~ m{^/uploaded/($match_domain)/($match_courseid)/(?:default|supplemental)(?:|_\d+)\.(?:sequence|page)(|___\d+___.+)$}) { |
if ($tail =~ m{^/uploaded/($match_domain)/($match_courseid)/(?:default|supplemental)(?:|_\d+)\.(?:sequence|page)(|___\d+___.+)$}) { |
($urlcdom,$urlcnum,my $rest) = ($1,$2,$3); |
($urlcdom,$urlcnum,my $rest) = ($1,$2,$3); |
if (($cdom ne '') && ($cdom ne $urlcdom)) { |
if (($cdom ne '') && ($cdom ne $urlcdom)) { |
&invalid_request($r,3); |
&invalid_request($r,'Incorrect domain in requested URL'); |
return OK; |
return OK; |
} |
} |
if ($rest eq '') { |
if ($rest eq '') { |
$mapurl = $tail; |
$mapurl = $tail; |
} else { |
} else { |
$symb = $tail; |
$symb = $tail; |
$symb =~ s{^/+}{}; |
$symb =~ s{^/}{}; |
} |
} |
} elsif ($tail =~ m{^/res/(?:$match_domain)/(?:$match_username)/.+\.(?:sequence|page)(|___\d+___.+)$}) { |
} elsif ($tail =~ m{^/res/(?:$match_domain)/(?:$match_username)/.+\.(?:sequence|page)(|___\d+___.+)$}) { |
if ($1 eq '') { |
if ($1 eq '') { |
$mapurl = $tail; |
$mapurl = $tail; |
} else { |
} else { |
$symb = $tail; |
$symb = $tail; |
$symb =~ s{^/+}{}; |
$symb =~ s{^/res/}{}; |
} |
} |
} elsif ($tail =~ m{^/($match_domain)/($match_courseid)$}) { |
} elsif ($tail =~ m{^/($match_domain)/($match_courseid)$}) { |
($urlcdom,$urlcnum) = ($1,$2); |
($urlcdom,$urlcnum) = ($1,$2); |
if (($cdom ne '') && ($cdom ne $urlcdom)) { |
if (($cdom ne '') && ($cdom ne $urlcdom)) { |
&invalid_request($r,4); |
&invalid_request($r,'Incorrect domain in requested URL'); |
return OK; |
return OK; |
} |
} |
} elsif ($tail =~ m{^/tiny/($match_domain)/(\w+)$}) { |
} elsif ($tail =~ m{^/tiny/($match_domain)/(\w+)$}) { |
($urlcdom,my $key) = ($1,$2); |
($urlcdom,$urlcnum) = &course_from_tinyurl($tail); |
if (($cdom ne '') && ($cdom ne $urlcdom)) { |
if (($urlcdom eq '') || ($urlcnum eq '')) { |
&invalid_request($r,5); |
&invalid_request($r,'Invalid URL shortcut'); |
return OK; |
return OK; |
} |
} |
my $tinyurl; |
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my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$urlcdom."\0".$key); |
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if (defined($cached)) { |
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$tinyurl = $result; |
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} else { |
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my $configuname = &Apache::lonnet::get_domainconfiguser($urlcdom); |
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my %currtiny = &Apache::lonnet::get('tiny',[$key],$urlcdom,$configuname); |
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if ($currtiny{$key} ne '') { |
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$tinyurl = $currtiny{$key}; |
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&Apache::lonnet::do_cache_new('tiny',$urlcdom."\0".$key,$currtiny{$key},600); |
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} |
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} |
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if ($tinyurl ne '') { |
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$urlcnum = (split(/\&/,$tinyurl))[0]; |
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} |
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} |
} |
if (($cdom eq '') && ($urlcdom ne '')) { |
if (($cdom eq '') && ($urlcdom ne '')) { |
my $cprimary_id = &Apache::lonnet::domain($urlcdom,'primary'); |
my $cprimary_id = &Apache::lonnet::domain($urlcdom,'primary'); |
Line 263 sub handler {
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Line 411 sub handler {
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} |
} |
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# |
# |
# Retrieve information for LTI Consumers in course domain |
# Retrieve information for LTI Consumers in course's domain |
# and populate hash -- %lti_by_key -- for which keys |
# defined in domain configuration for LTI. |
# are those defined in domain configuration for LTI. |
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# |
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my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider'); |
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unless (keys(%lti) > 0) { |
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&invalid_request($r,6); |
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return OK; |
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} |
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my %lti_by_key; |
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if (keys(%lti)) { |
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foreach my $id (keys(%lti)) { |
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if (ref($lti{$id}) eq 'HASH') { |
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my $key = $lti{$id}{'key'}; |
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push(@{$lti_by_key{$key}},$id); |
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} |
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} |
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} |
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# |
# |
# Verify the signed request using the secret for those |
# Verify the signed request using the secret for those |
# Consumers for which the key in the POSTed data matches |
# Consumers for which the key in the POSTed data matches |
# keys in the domain configuration for LTI. |
# keys in the course configuration or the domain configuration |
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# for LTI. |
# |
# |
my $hostname = $r->hostname; |
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my $protocol = 'http'; |
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if ($ENV{'SERVER_PORT'} == 443) { |
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$protocol = 'https'; |
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} |
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my ($itemid,$consumer_key,$secret); |
my %lti; |
$consumer_key = $params->{'oauth_consumer_key'}; |
my $itemid = &get_lti_itemid($requri,$hostname,$params,$cdom); |
if (ref($lti_by_key{$consumer_key}) eq 'ARRAY') { |
if ($itemid) { |
foreach my $id (@{$lti_by_key{$consumer_key}}) { |
%lti = &Apache::lonnet::get_domain_lti($cdom,'provider'); |
if (ref($lti{$id}) eq 'HASH') { |
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$secret = $lti{$id}{'secret'}; |
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my $request = Net::OAuth->request('request token')->from_hash($params, |
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request_url => $protocol.'://'.$hostname.$requri, |
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request_method => $env{'request.method'}, |
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consumer_secret => $secret,); |
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if ($request->verify()) { |
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$itemid = $id; |
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last; |
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} |
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} |
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} |
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} |
} |
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# |
# |
Line 318 sub handler {
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Line 432 sub handler {
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# configuration in LON-CAPA for that LTI Consumer. |
# configuration in LON-CAPA for that LTI Consumer. |
# |
# |
unless (($itemid) && (ref($lti{$itemid}) eq 'HASH')) { |
unless (($itemid) && (ref($lti{$itemid}) eq 'HASH')) { |
&invalid_request($r,7); |
&invalid_request($r,'Launch request could not be validated'); |
return OK; |
return OK; |
} |
} |
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Line 328 sub handler {
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Line 442 sub handler {
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# |
# |
unless (&LONCAPA::ltiutils::check_nonce($params->{'oauth_nonce'},$params->{'oauth_timestamp'}, |
unless (&LONCAPA::ltiutils::check_nonce($params->{'oauth_nonce'},$params->{'oauth_timestamp'}, |
$lti{$itemid}{'lifetime'},$cdom,$r->dir_config('lonLTIDir'))) { |
$lti{$itemid}{'lifetime'},$cdom,$r->dir_config('lonLTIDir'))) { |
&invalid_request($r,8); |
&invalid_request($r,'Time limit exceeded for launch request credentials'); |
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return OK; |
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} |
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# |
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# Determine if a username is required from the domain |
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# configuration for the specific LTI Consumer |
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# |
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|
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if (!$lti{$itemid}{'requser'}) { |
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if ($tail =~ m{^/tiny/($match_domain)/(\w+)$}) { |
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my $ltitype = 'd'; |
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foreach my $key (%{$params}) { |
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delete($env{'form.'.$key}); |
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} |
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my $ltoken = &Apache::lonnet::tmpput({'linkprot' => $itemid.$ltitype.':'.$tail}, |
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$lonhost); |
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if ($ltoken) { |
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$r->internal_redirect($tail.'?ltoken='.$ltoken); |
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$r->set_handlers('PerlHandler'=> undef); |
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} else { |
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&invalid_request($r,'Failed to store information from launch request'); |
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} |
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} else { |
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&invalid_request($r,'Launch URL invalid for matched launch credentials'); |
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} |
return OK; |
return OK; |
} |
} |
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Line 385 sub handler {
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Line 524 sub handler {
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if ($sourcecrs ne '') { |
if ($sourcecrs ne '') { |
%consumers = &Apache::lonnet::get_dom('lticonsumers',[$sourcecrs],$cdom); |
%consumers = &Apache::lonnet::get_dom('lticonsumers',[$sourcecrs],$cdom); |
if (exists($consumers{$sourcecrs})) { |
if (exists($consumers{$sourcecrs})) { |
if ($consumers{$sourcecrs} =~ /^$match_courseid$/) { |
if ($consumers{$sourcecrs} =~ /^\Q$itemid:\E($match_courseid)$/) { |
my $crshome = &Apache::lonnet::homeserver($consumers{$sourcecrs},$cdom); |
my $storedcnum = $1; |
|
my $crshome = &Apache::lonnet::homeserver($storedcnum,$cdom); |
if ($crshome =~ /(con_lost|no_host|no_such_host)/) { |
if ($crshome =~ /(con_lost|no_host|no_such_host)/) { |
&invalid_request($r,9); |
&invalid_request($r,'Invalid courseID included in launch data'); |
return OK; |
return OK; |
} else { |
} else { |
$posscnum = $consumers{$sourcecrs}; |
$posscnum = $storedcnum; |
} |
} |
} |
} |
} |
} |
Line 400 sub handler {
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Line 540 sub handler {
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if ($urlcnum ne '') { |
if ($urlcnum ne '') { |
if ($posscnum ne '') { |
if ($posscnum ne '') { |
if ($posscnum ne $urlcnum) { |
if ($posscnum ne $urlcnum) { |
&invalid_request($r,10); |
&invalid_request($r,'Course ID included in launch data incompatible with URL'); |
return OK; |
return OK; |
} else { |
} else { |
$cnum = $posscnum; |
$cnum = $posscnum; |
Line 408 sub handler {
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Line 548 sub handler {
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} else { |
} else { |
my $crshome = &Apache::lonnet::homeserver($urlcnum,$cdom); |
my $crshome = &Apache::lonnet::homeserver($urlcnum,$cdom); |
if ($crshome =~ /(con_lost|no_host|no_such_host)/) { |
if ($crshome =~ /(con_lost|no_host|no_such_host)/) { |
&invalid_request($r,11); |
&invalid_request($r,'Valid course ID could not be extracted from requested URL'); |
return OK; |
return OK; |
} else { |
} else { |
$cnum = $urlcnum; |
$cnum = $urlcnum; |
Line 428 sub handler {
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Line 568 sub handler {
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# |
# |
|
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my (@ltiroles,@lcroles); |
my (@ltiroles,@lcroles); |
|
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my @lcroleorder = ('cc','in','ta','ep','st'); |
my @lcroleorder = ('cc','in','ta','ep','st'); |
my @ltiroleorder = ('Instructor','TeachingAssistant','Mentor','Learner'); |
my ($lcrolesref,$ltirolesref) = |
if ($params->{'roles'} =~ /,/) { |
&LONCAPA::ltiutils::get_lc_roles($params->{'roles'}, |
my @possltiroles = split(/\s*,\s*/,$params->{'roles'}); |
\@lcroleorder, |
foreach my $ltirole (@ltiroleorder) { |
$lti{$itemid}{maproles}); |
if (grep(/^\Q$ltirole\E$/,@possltiroles)) { |
if (ref($lcrolesref) eq 'ARRAY') { |
push(@ltiroles,$ltirole); |
@lcroles = @{$lcrolesref}; |
} |
|
} |
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} else { |
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my $singlerole = $params->{'roles'}; |
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$singlerole =~ s/^\s|\s+$//g; |
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if (grep(/^\Q$singlerole\E$/,@ltiroleorder)) { |
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@ltiroles = ($singlerole); |
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} |
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} |
} |
if (@ltiroles) { |
if (ref($ltirolesref) eq 'ARRAY') { |
if (ref($lti{$itemid}{maproles}) eq 'HASH') { |
@ltiroles = @{$ltirolesref}; |
my %possroles; |
|
map { $possroles{$lti{$itemid}{maproles}{$_}} = 1; } @ltiroles; |
|
if (keys(%possroles) > 0) { |
|
foreach my $item (@lcroleorder) { |
|
if ($possroles{$item}) { |
|
push(@lcroles,$item); |
|
} |
|
} |
|
} |
|
} |
|
} |
} |
|
|
# |
# |
Line 479 sub handler {
|
Line 600 sub handler {
|
} |
} |
} |
} |
if ($selfcreate) { |
if ($selfcreate) { |
my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info); |
my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts); |
my $checkhash = { "$uname:$udom" => { 'newuser' => 1, }, }; |
my $domdesc = &Apache::lonnet::domain($udom,'description'); |
my $checks = { 'username' => 1, }; |
my %data = ( |
&Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch, |
'permanentemail' => $env{'form.lis_person_contact_email_primary'}, |
\%inst_results,\%curr_rules,\%got_rules); |
'firstname' => $env{'form.lis_person_name_given'}, |
my ($userchkmsg,$lcauth,$lcauthparm); |
'lastname' => $env{'form.lis_person_name_family'}, |
my $allowed = 1; |
'fullname' => $env{'form.lis_person_name_full'}, |
if (ref($alerts{'username'}) eq 'HASH') { |
); |
if (ref($alerts{'username'}{$udom}) eq 'HASH') { |
|
my $domdesc = |
|
&Apache::lonnet::domain($udom,'description'); |
|
if ($alerts{'username'}{$udom}{$uname}) { |
|
if (ref($curr_rules{$udom}) eq 'HASH') { |
|
$userchkmsg = |
|
&Apache::loncommon::instrule_disallow_msg('username',$domdesc,1). |
|
&Apache::loncommon::user_rule_formats($udom,$domdesc, |
|
$curr_rules{$udom}{'username'}, |
|
'username'); |
|
} |
|
$allowed = 0; |
|
} |
|
} |
|
} |
|
if ($allowed) { |
|
if (ref($rulematch{$uname.':'.$udom}) eq 'HASH') { |
|
my $matchedrule = $rulematch{$uname.':'.$udom}{'username'}; |
|
my ($rules,$ruleorder) = |
|
&Apache::lonnet::inst_userrules($udom,'username'); |
|
if (ref($rules) eq 'HASH') { |
|
if (ref($rules->{$matchedrule}) eq 'HASH') { |
|
$lcauth = $rules->{$matchedrule}{'authtype'}; |
|
$lcauthparm = $rules->{$matchedrule}{'authparm'}; |
|
} |
|
} |
|
} |
|
if ($lcauth eq '') { |
|
$lcauth = $lti{$itemid}{'lcauth'}; |
|
if ($lcauth eq 'internal') { |
|
$lcauthparm = &create_passwd(); |
|
} else { |
|
$lcauthparm = $lti{$itemid}{'lcauthparm'}; |
|
} |
|
} |
|
} else { |
|
&invalid_request($r,12); |
|
} |
|
my @userinfo = ('firstname','middlename','lastname','generation', |
|
'permanentemail','id'); |
|
my %useinstdata; |
|
if (ref($lti{$itemid}{'instdata'}) eq 'ARRAY') { |
|
map { $useinstdata{$_} = 1; } @{$lti{$itemid}{'instdata'}}; |
|
} |
|
foreach my $item (@userinfo) { |
|
if (($useinstdata{$item}) && (ref($inst_results{$uname.':'.$udom}) eq 'HASH') && |
|
($inst_results{$uname.':'.$udom}{$item} ne '')) { |
|
$info{$item} = $inst_results{$uname.':'.$udom}{$item}; |
|
} else { |
|
if ($item eq 'permanentemail') { |
|
if ($env{'form.lis_person_contact_email_primary'} =~/^[^\@]+\@[^@]+$/) { |
|
$info{$item} = $env{'form.lis_person_contact_email_primary'}; |
|
} |
|
} elsif ($item eq 'firstname') { |
|
$info{$item} = $env{'form.lis_person_name_given'}; |
|
} elsif ($item eq 'lastname') { |
|
$info{$item} = $env{'form.lis_person_name_family'}; |
|
} |
|
} |
|
} |
|
if (($info{'middlename'} eq '') && ($env{'form.lis_person_name_full'} ne '')) { |
|
unless ($useinstdata{'middlename'}) { |
|
my $fullname = $env{'form.lis_person_name_full'}; |
|
if ($info{'firstname'}) { |
|
$fullname =~ s/^\s*\Q$info{'firstname'}\E\s*//i; |
|
} |
|
if ($info{'lastname'}) { |
|
$fullname =~ s/\s*\Q$info{'lastname'}\E\s*$//i; |
|
} |
|
if ($fullname ne '') { |
|
$fullname =~ s/^\s+|\s+$//g; |
|
if ($fullname ne '') { |
|
$info{'middlename'} = $fullname; |
|
} |
|
} |
|
} |
|
} |
|
if (ref($inst_results{$uname.':'.$udom}{'inststatus'}) eq 'ARRAY') { |
|
my @inststatuses = @{$inst_results{$uname.':'.$udom}{'inststatus'}}; |
|
$info{'inststatus'} = join(':',map { &escape($_); } @inststatuses); |
|
} |
|
my $result = |
my $result = |
&Apache::lonnet::modifyuser($udom,$uname,$info{'id'}, |
&LONCAPA::ltiutils::create_user($lti{$itemid},$uname,$udom, |
$lcauth,$lcauthparm,$info{'firstname'}, |
$domdesc,\%data,\%alerts,\%rulematch, |
$info{'middlename'},$info{'lastname'}, |
\%inst_results,\%curr_rules,%got_rules); |
$info{'generation'},undef,undef, |
if ($result eq 'notallowed') { |
$info{'permanentemail'},$info{'inststatus'}); |
&invalid_request($r,'Account creation not permitted for this user'); |
if ($result eq 'ok') { |
} elsif ($result eq 'ok') { |
if (($ltiroles[0] eq 'Instructor') && ($lcroles[0] eq 'cc') && ($lti{$itemid}{'mapcrs'}) && |
if (($ltiroles[0] eq 'Instructor') && ($lcroles[0] eq 'cc') && ($lti{$itemid}{'mapcrs'}) && |
($lti{$itemid}{'makecrs'})) { |
($lti{$itemid}{'makecrs'})) { |
unless (&Apache::lonnet::usertools_access($uname,$udom,'lti','reload','requestcourses')) { |
unless (&Apache::lonnet::usertools_access($uname,$udom,'lti','reload','requestcourses')) { |
Line 582 sub handler {
|
Line 622 sub handler {
|
} |
} |
} |
} |
} else { |
} else { |
&invalid_request($r,13); |
&invalid_request($r,'An error occurred during account creation'); |
return OK; |
return OK; |
} |
} |
} else { |
} else { |
&invalid_request($r,14); |
&invalid_request($r,'Account creation not permitted'); |
return OK; |
return OK; |
} |
} |
} |
} |
} else { |
} else { |
&invalid_request($r,15); |
&invalid_request($r,'Could not determine username and/or domain for user'); |
return OK; |
return OK; |
} |
} |
|
|
Line 603 sub handler {
|
Line 643 sub handler {
|
|
|
my $reqcrs; |
my $reqcrs; |
if ($cnum eq '') { |
if ($cnum eq '') { |
if ((@ltiroles) && ($lti{$itemid}{'mapcrs'}) && |
if ($lti{$itemid}{'crsinc'}) { |
($ltiroles[0] eq 'Instructor') && ($lcroles[0] eq 'cc') && ($lti{$itemid}{'makecrs'})) { |
if ((@ltiroles) && ($lti{$itemid}{'mapcrs'}) && |
my (%can_request,%request_domains); |
($ltiroles[0] eq 'Instructor') && ($lcroles[0] eq 'cc') && ($lti{$itemid}{'makecrs'})) { |
&Apache::lonnet::check_can_request($cdom,\%can_request,\%request_domains,$uname,$udom); |
my (%can_request,%request_domains); |
if ($can_request{'lti'}) { |
&Apache::lonnet::check_can_request($cdom,\%can_request,\%request_domains,$uname,$udom); |
$reqcrs = 1; |
if ($can_request{'lti'}) { |
<i_session($r,$itemid,$uname,$udom,$uhome,$lonhost,undef,$mapurl,$tail, |
$reqcrs = 1; |
$symb,$cdom,$cnum,$params,\@ltiroles,$lti{$itemid},\@lcroles, |
<i_session($r,$itemid,$uname,$udom,$uhome,$lonhost,undef,$mapurl,$tail, |
$reqcrs,$sourcecrs); |
$symb,$cdom,$cnum,$params,\@ltiroles,$lti{$itemid},\@lcroles, |
|
$reqcrs,$sourcecrs); |
|
} else { |
|
&invalid_request($r,'No LON-CAPA course available, and creation is not permitted for this user'); |
|
} |
} else { |
} else { |
&invalid_request($r,16); |
&invalid_request($r,'No LON-CAPA course available, and creation is not permitted'); |
} |
} |
} else { |
} else { |
&invalid_request($r,17); |
<i_session($r,$itemid,$uname,$udom,$uhome,$lonhost,undef,$mapurl,$tail, |
|
$symb,$cdom,$cnum,$params,\@ltiroles,$lti{$itemid},\@lcroles, |
|
$reqcrs,$sourcecrs); |
} |
} |
return OK; |
return OK; |
} |
} |
Line 624 sub handler {
|
Line 670 sub handler {
|
# |
# |
# If LON-CAPA course is a Community, and LON-CAPA role |
# If LON-CAPA course is a Community, and LON-CAPA role |
# indicated is cc, change role indicated to co. |
# indicated is cc, change role indicated to co. |
# |
# |
|
|
my %crsenv; |
my %crsenv; |
if ($lcroles[0] eq 'cc') { |
if ($lcroles[0] eq 'cc') { |
Line 702 sub handler {
|
Line 748 sub handler {
|
} |
} |
} |
} |
if ($reqrole eq '') { |
if ($reqrole eq '') { |
&invalid_request($r,18); |
&invalid_request($r,'No matching role available in LON-CAPA course, and not permitted to self-enroll'); |
return OK; |
return OK; |
} else { |
} else { |
unless (%crsenv) { |
unless (%crsenv) { |
Line 712 sub handler {
|
Line 758 sub handler {
|
my $default_enrollment_end_date = $crsenv{'default_enrollment_end_date'}; |
my $default_enrollment_end_date = $crsenv{'default_enrollment_end_date'}; |
my $now = time; |
my $now = time; |
if ($default_enrollment_end_date && $default_enrollment_end_date <= $now) { |
if ($default_enrollment_end_date && $default_enrollment_end_date <= $now) { |
&invalid_request($r,19); |
&invalid_request($r,'No active role available in LON-CAPA course, and past end date for self-enrollment'); |
return OK; |
return OK; |
} elsif ($default_enrollment_start_date && $default_enrollment_start_date >$now) { |
} elsif ($default_enrollment_start_date && $default_enrollment_start_date >$now) { |
&invalid_request($r,20); |
&invalid_request($r,'No active role available in LON-CAPA course, and brefor start date for self-enrollment'); |
return OK; |
return OK; |
} else { |
} else { |
$selfenrollrole = $reqrole.'./'.$cdom.'/'.$cnum; |
$selfenrollrole = $reqrole.'./'.$cdom.'/'.$cnum; |
Line 729 sub handler {
|
Line 775 sub handler {
|
} |
} |
|
|
# |
# |
# Store consumer-to-LON-CAPA course mapping |
# Retrieve course type of LON-CAPA course to check if mapping from a Consumer |
|
# course identifier permitted for this type of course (one of: official, |
|
# unofficial, community, textbook, placement or lti. |
|
# |
|
|
|
unless (%crsenv) { |
|
%crsenv = &Apache::lonnet::coursedescription($cdom.'_'.$cnum); |
|
} |
|
my $crstype = lc($crsenv{'type'}); |
|
if ($crstype eq '') { |
|
$crstype = 'course'; |
|
} |
|
if ($crstype eq 'course') { |
|
if ($crsenv{'internal.coursecode'}) { |
|
$crstype = 'official'; |
|
} elsif ($crsenv{'internal.textbook'}) { |
|
$crstype = 'textbook'; |
|
} elsif ($crsenv{'internal.lti'}) { |
|
$crstype = 'lti'; |
|
} else { |
|
$crstype = 'unofficial'; |
|
} |
|
} |
|
|
|
# |
|
# Store consumer-to-LON-CAPA course mapping if permitted |
# |
# |
|
|
if (($sourcecrs ne '') && ($consumers{$sourcecrs} eq '') && ($cnum ne '')) { |
if (($lti{$itemid}{'storecrs'}) && ($sourcecrs ne '') && |
&Apache::lonnet::put_dom('lticonsumers',{ $sourcecrs => $cnum },$cdom); |
($consumers{$sourcecrs} eq '') && ($cnum ne '')) { |
|
if (ref($lti{$itemid}{'mapcrstype'}) eq 'ARRAY') { |
|
if (grep(/^$crstype$/,@{$lti{$itemid}{'mapcrstype'}})) { |
|
&Apache::lonnet::put_dom('lticonsumers',{ $sourcecrs => $itemid.':'.$cnum },$cdom); |
|
} |
|
} |
} |
} |
|
|
# |
# |
Line 746 sub handler {
|
Line 822 sub handler {
|
return OK; |
return OK; |
} |
} |
|
|
|
sub get_lti_itemid { |
|
my ($requri,$hostname,$params,$cdom,$cnum,$context) = @_; |
|
return unless (ref($params) eq 'HASH'); |
|
my $protocol = 'http'; |
|
if ($ENV{'SERVER_PORT'} == 443) { |
|
$protocol = 'https'; |
|
} |
|
my $url = $protocol.'://'.$hostname.$requri; |
|
my $method = $env{'request.method'}; |
|
if ($cnum ne '') { |
|
return &Apache::lonnet::courselti_itemid($cnum,$cdom,$url,$method,$params,$context); |
|
} else { |
|
return &Apache::lonnet::domainlti_itemid($cdom,$url,$method,$params,$context); |
|
} |
|
} |
|
|
sub lti_enroll { |
sub lti_enroll { |
my ($uname,$udom,$selfenrollrole) = @_; |
my ($uname,$udom,$selfenrollrole) = @_; |
my $enrollresult; |
my $enrollresult; |
Line 757 sub lti_enroll {
|
Line 849 sub lti_enroll {
|
my %coursehash = &Apache::lonnet::coursedescription($cdom.'_'.$cnum); |
my %coursehash = &Apache::lonnet::coursedescription($cdom.'_'.$cnum); |
my $start = $coursehash{'default_enrollment_start_date'}; |
my $start = $coursehash{'default_enrollment_start_date'}; |
my $end = $coursehash{'default_enrollment_end_date'}; |
my $end = $coursehash{'default_enrollment_end_date'}; |
my $area = "/$cdom/$cnum"; |
$enrollresult = &LONCAPA::ltiutils::enrolluser($udom,$uname,$role,$cdom,$cnum,$sec, |
if (($role ne 'cc') && ($role ne 'co') && ($sec ne '')) { |
$start,$end,1); |
$area .= '/'.$sec; |
|
} |
|
my $spec = $role.'.'.$area; |
|
my $instcid; |
|
if ($role eq 'st') { |
|
$enrollresult = |
|
&Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef, |
|
undef,undef,$sec,$end,$start, |
|
'ltienroll',undef,$cdom.'_'.$cnum,1, |
|
'ltienroll','',$instcid); |
|
} elsif ($role =~ /^(cc|in|ta|ep)$/) { |
|
$enrollresult = |
|
&Apache::lonnet::assignrole($udom,$uname,$area,$role,$end,$start, |
|
undef,1,'ltienroll'); |
|
} |
|
if ($enrollresult eq 'ok') { |
|
my (%userroles,%newrole,%newgroups); |
|
&Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum, |
|
$area); |
|
&Apache::lonnet::set_userprivs(\%userroles,\%newrole,\%newgroups); |
|
$userroles{'user.role.'.$spec} = $start.'.'.$end; |
|
&Apache::lonnet::appenv(\%userroles,[$role,'cm']); |
|
} |
|
} |
} |
} |
} |
return $enrollresult; |
return $enrollresult; |
Line 824 sub lti_session {
|
Line 893 sub lti_session {
|
} else { |
} else { |
&Apache::lonnet::logthis(" LTI authorized user ($itemid): $uname:$udom, course dom: $cdom"); |
&Apache::lonnet::logthis(" LTI authorized user ($itemid): $uname:$udom, course dom: $cdom"); |
} |
} |
my ($is_balancer,$otherserver,$hosthere); |
my ($is_balancer,$otherserver,$hosthere) = &check_balancer($r,$uname,$udom); |
($is_balancer,$otherserver) = |
my $protocol = 'http'; |
&Apache::lonnet::check_loadbalancing($uname,$udom,'login'); |
if ($ENV{'SERVER_PORT'} == 443) { |
if ($is_balancer) { |
$protocol = 'https'; |
if ($otherserver eq '') { |
|
my $lowest_load; |
|
($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($udom); |
|
if ($lowest_load > 100) { |
|
$otherserver = &Apache::lonnet::spareserver($lowest_load,$lowest_load,1,$udom); |
|
} |
|
} |
|
if ($otherserver ne '') { |
|
my @hosts = &Apache::lonnet::current_machine_ids(); |
|
if (grep(/^\Q$otherserver\E$/,@hosts)) { |
|
$hosthere = $otherserver; |
|
} |
|
} |
|
} |
} |
if (($is_balancer) && (!$hosthere)) { |
if (($is_balancer) && (!$hosthere)) { |
# login but immediately go to switch server. |
# login but immediately go to switch server. |
&Apache::lonauth::success($r,$uname,$udom,$uhome,'noredirect'); |
&Apache::lonauth::success($r,$uname,$udom,$uhome,'noredirect'); |
|
if (($ltihash->{'callback'}) && ($params->{$ltihash->{'callback'}})) { |
|
&LONCAPA::ltiutils::setup_logout_callback($uname,$udom,$otherserver, |
|
$ltihash->{'key'}, |
|
$ltihash->{'secret'}, |
|
$params->{$ltihash->{'callback'}}, |
|
$r->dir_config('ltiIDsDir'), |
|
$protocol,$r->hostname); |
|
} |
if ($symb) { |
if ($symb) { |
$env{'form.symb'} = $symb; |
$env{'form.symb'} = $symb; |
$env{'request.lti.uri'} = $symb; |
$env{'request.lti.uri'} = $tail; |
} else { |
} else { |
if ($mapurl) { |
if ($mapurl) { |
$env{'form.origurl'} = $mapurl; |
$env{'form.origurl'} = $mapurl; |
Line 860 sub lti_session {
|
Line 924 sub lti_session {
|
$env{'request.lti.uri'} = $tail; |
$env{'request.lti.uri'} = $tail; |
} else { |
} else { |
unless ($tail eq '/adm/roles') { |
unless ($tail eq '/adm/roles') { |
$env{'form.origurl'} = '/adm/navmaps'; |
if ($cnum) { |
|
$env{'form.origurl'} = '/adm/navmaps'; |
|
} |
} |
} |
} |
} |
} |
} |
Line 873 sub lti_session {
|
Line 939 sub lti_session {
|
$env{'request.lti.sourcecrs'} = $sourcecrs; |
$env{'request.lti.sourcecrs'} = $sourcecrs; |
} |
} |
if ($selfenrollrole) { |
if ($selfenrollrole) { |
$env{'request.lti.selfenroll'} = $selfenrollrole; |
$env{'request.lti.selfenrollrole'} = $selfenrollrole; |
$env{'request.lti.sourcecrs'} = $sourcecrs; |
$env{'request.lti.sourcecrs'} = $sourcecrs; |
} |
} |
if ($ltihash->{'passback'}) { |
if ($ltihash->{'passback'}) { |
Line 896 sub lti_session {
|
Line 962 sub lti_session {
|
if ($params->{'launch_presentation_document_target'}) { |
if ($params->{'launch_presentation_document_target'}) { |
$env{'request.lti.target'} = $params->{'launch_presentation_document_target'}; |
$env{'request.lti.target'} = $params->{'launch_presentation_document_target'}; |
} |
} |
foreach my $key (%{$params}) { |
foreach my $key (keys(%{$params})) { |
delete($env{'form.'.$key}); |
delete($env{'form.'.$key}); |
} |
} |
my $redirecturl = '/adm/switchserver'; |
my $redirecturl = '/adm/switchserver'; |
Line 906 sub lti_session {
|
Line 972 sub lti_session {
|
$r->internal_redirect($redirecturl); |
$r->internal_redirect($redirecturl); |
$r->set_handlers('PerlHandler'=> undef); |
$r->set_handlers('PerlHandler'=> undef); |
} else { |
} else { |
# need to login them in, so generate the need data that |
# need to login them in, so generate the data migrate expects to do login |
# migrate expects to do login |
foreach my $key (keys(%{$params})) { |
foreach my $key (%{$params}) { |
|
delete($env{'form.'.$key}); |
delete($env{'form.'.$key}); |
} |
} |
|
if (($ltihash->{'callback'}) && ($params->{$ltihash->{'callback'}})) { |
|
&LONCAPA::ltiutils::setup_logout_callback($uname,$udom,$lonhost, |
|
$ltihash->{'key'}, |
|
$ltihash->{'secret'}, |
|
$params->{$ltihash->{'callback'}}, |
|
$r->dir_config('ltiIDsDir'), |
|
$protocol,$r->hostname); |
|
} |
my $ip = $r->get_remote_host(); |
my $ip = $r->get_remote_host(); |
my %info=('ip' => $ip, |
my %info=('ip' => $ip, |
'domain' => $udom, |
'domain' => $udom, |
Line 960 sub lti_session {
|
Line 1033 sub lti_session {
|
$info{'origurl'} = $tail; |
$info{'origurl'} = $tail; |
} else { |
} else { |
unless ($tail eq '/adm/roles') { |
unless ($tail eq '/adm/roles') { |
$info{'origurl'} = '/adm/navmaps'; |
if ($cnum) { |
|
$info{'origurl'} = '/adm/navmaps'; |
|
} |
} |
} |
} |
} |
} |
} |
Line 975 sub lti_session {
|
Line 1050 sub lti_session {
|
return; |
return; |
} |
} |
|
|
|
sub linkprot_session { |
|
my ($r,$uname,$cnum,$cdom,$uhome,$itemid,$ltitype,$dest,$lonhost) = @_; |
|
$r->user($uname); |
|
if ($ltitype eq 'c') { |
|
&Apache::lonnet::logthis("Link Protector: $itemid (c) authorized student: $uname:$cdom, course: $cdom\_$cnum"); |
|
} elsif ($ltitype eq 'd') { |
|
&Apache::lonnet::logthis("Link Protector: $itemid (d) authorized student: $uname:$cdom, course: $cdom\_$cnum"); |
|
} |
|
my ($is_balancer,$otherserver,$hosthere) = &check_balancer($r,$uname,$cdom); |
|
if (($is_balancer) && (!$hosthere)) { |
|
# login but immediately go to switch server |
|
&Apache::lonauth::success($r,$uname,$cdom,$uhome,'noredirect'); |
|
$env{'form.origurl'} = $dest; |
|
$env{'request.linkprot'} = $itemid.$ltitype.':'.$dest; |
|
$env{'request.deeplink.login'} = $dest; |
|
my $redirecturl = '/adm/switchserver'; |
|
if ($otherserver ne '') { |
|
$redirecturl .= '?otherserver='.$otherserver; |
|
} |
|
$r->internal_redirect($redirecturl); |
|
$r->set_handlers('PerlHandler'=> undef); |
|
} else { |
|
# need to login them in, so generate the data migrate expects to do login |
|
my $ip = $r->get_remote_host(); |
|
my %info=('ip' => $ip, |
|
'domain' => $cdom, |
|
'username' => $uname, |
|
'server' => $lonhost, |
|
'linkprot' => $itemid.$ltitype.':'.$dest, |
|
'home' => $uhome, |
|
'origurl' => $dest, |
|
'deeplink.login' => $dest, |
|
); |
|
my $token = &Apache::lonnet::tmpput(\%info,$lonhost); |
|
$env{'form.token'} = $token; |
|
$r->internal_redirect('/adm/migrateuser'); |
|
$r->set_handlers('PerlHandler'=> undef); |
|
} |
|
return; |
|
} |
|
|
|
sub check_balancer { |
|
my ($r,$uname,$udom) = @_; |
|
my ($is_balancer,$otherserver,$hosthere); |
|
($is_balancer,$otherserver) = |
|
&Apache::lonnet::check_loadbalancing($uname,$udom,'login'); |
|
if ($is_balancer) { |
|
if ($otherserver eq '') { |
|
my $lowest_load; |
|
($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($udom); |
|
if ($lowest_load > 100) { |
|
$otherserver = &Apache::lonnet::spareserver($r,$lowest_load,$lowest_load,1,$udom); |
|
} |
|
} |
|
if ($otherserver ne '') { |
|
my @hosts = &Apache::lonnet::current_machine_ids(); |
|
if (grep(/^\Q$otherserver\E$/,@hosts)) { |
|
$hosthere = $otherserver; |
|
} |
|
} |
|
} |
|
return ($is_balancer,$otherserver,$hosthere); |
|
} |
|
|
sub invalid_request { |
sub invalid_request { |
my ($r,$num) = @_; |
my ($r,$msg) = @_; |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
if ($r->header_only) { |
if ($r->header_only) { |
Line 985 sub invalid_request {
|
Line 1124 sub invalid_request {
|
&Apache::lonlocal::get_language_handle($r); |
&Apache::lonlocal::get_language_handle($r); |
$r->print( |
$r->print( |
&Apache::loncommon::start_page('Invalid LTI call','',{ 'only_body' => 1,}). |
&Apache::loncommon::start_page('Invalid LTI call','',{ 'only_body' => 1,}). |
&mt('Invalid LTI call [_1]',$num). |
'<h3>'.&mt('Invalid LTI launch request').'</h3>'. |
|
'<p class="LC_warning">'. |
|
&mt('Launch of LON-CAPA is unavailable from the "external tool" link you had followed in another web application.'). |
|
&mt('Launch failed for the following reason:'). |
|
'</p>'. |
|
'<p class="LC_error">'.$msg.'</p>'. |
&Apache::loncommon::end_page()); |
&Apache::loncommon::end_page()); |
return; |
return; |
} |
} |
|
|
sub create_passwd { |
sub course_from_tinyurl { |
my $passwd = ''; |
my ($tail) = @_; |
my @letts = ("a".."z"); |
my ($urlcdom,$urlcnum); |
for (my $i=0; $i<8; $i++) { |
if ($tail =~ m{^/tiny/($match_domain)/(\w+)$}) { |
my $lettnum = int(rand(2)); |
($urlcdom,my $key) = ($1,$2); |
my $item = ''; |
my $tinyurl; |
if ($lettnum) { |
my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$urlcdom."\0".$key); |
$item = $letts[int(rand(26))]; |
if (defined($cached)) { |
my $uppercase = int(rand(2)); |
$tinyurl = $result; |
if ($uppercase) { |
|
$item =~ tr/a-z/A-Z/; |
|
} |
|
} else { |
} else { |
$item = int(rand(10)); |
my $configuname = &Apache::lonnet::get_domainconfiguser($urlcdom); |
|
my %currtiny = &Apache::lonnet::get('tiny',[$key],$urlcdom,$configuname); |
|
if ($currtiny{$key} ne '') { |
|
$tinyurl = $currtiny{$key}; |
|
&Apache::lonnet::do_cache_new('tiny',$urlcdom."\0".$key,$currtiny{$key},600); |
|
} |
|
} |
|
if ($tinyurl ne '') { |
|
$urlcnum = (split(/\&/,$tinyurl))[0]; |
} |
} |
$passwd .= $item; |
|
} |
} |
return ($passwd); |
return ($urlcdom,$urlcnum); |
} |
} |
|
|
1; |
1; |