--- loncom/lonnet/perl/lonnet.pm 2009/07/20 23:33:11 1.1005 +++ loncom/lonnet/perl/lonnet.pm 2009/10/08 19:54:31 1.1030 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1005 2009/07/20 23:33:11 raeburn Exp $ +# $Id: lonnet.pm,v 1.1030 2009/10/08 19:54:31 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -92,6 +92,7 @@ use Time::HiRes qw( gettimeofday tv_inte use Cache::Memcached; use Digest::MD5; use Math::Random; +use File::MMagic; use LONCAPA qw(:DEFAULT :match); use LONCAPA::Configuration; @@ -784,7 +785,8 @@ sub changepass { my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_; $currentpass = &escape($currentpass); $newpass = &escape($newpass); - my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context", + my $lonhost = $perlvar{'lonHostID'}; + my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context:$lonhost", $server); if (! $answer) { &logthis("No reply on password change request to $server ". @@ -809,6 +811,9 @@ sub changepass { } elsif ($answer =~ "^refused") { &logthis("$server refused to change $uname in $udom password because ". "it was sent an unencrypted request to change the password."); + } elsif ($answer =~ "invalid_client") { + &logthis("$server refused to change $uname in $udom password because ". + "it was a reset by e-mail originating from an invalid server."); } return $answer; } @@ -958,7 +963,21 @@ sub idput { } } -# ------------------------------------------- get items from domain db files +# ------------------------------dump from db file owned by domainconfig user +sub dump_dom { + my ($namespace,$udom,$regexp,$range)=@_; + if (!$udom) { + $udom=$env{'user.domain'}; + } + my %returnhash; + if ($udom) { + my $uname = &get_domainconfiguser($udom); + %returnhash = &dump($namespace,$udom,$uname,$regexp,$range); + } + return %returnhash; +} + +# ------------------------------------------ get items from domain db files sub get_dom { my ($namespace,$storearr,$udom,$uhome)=@_; @@ -1032,6 +1051,40 @@ sub put_dom { } } +# --------------------- newput for items in db file owned by domainconfig user +sub newput_dom { + my ($namespace,$storehash,$udom) = @_; + my $result; + if (!$udom) { + $udom=$env{'user.domain'}; + } + if ($udom) { + my $uname = &get_domainconfiguser($udom); + $result = &newput($namespace,$storehash,$udom,$uname); + } + return $result; +} + +# --------------------- delete for items in db file owned by domainconfig user +sub del_dom { + my ($namespace,$storearr,$udom)=@_; + if (ref($storearr) eq 'ARRAY') { + if (!$udom) { + $udom=$env{'user.domain'}; + } + if ($udom) { + my $uname = &get_domainconfiguser($udom); + return &del($namespace,$storearr,$udom,$uname); + } + } +} + +# ----------------------------------construct domainconfig user for a domain +sub get_domainconfiguser { + my ($udom) = @_; + return $udom.'-domainconfig'; +} + sub retrieve_inst_usertypes { my ($udom) = @_; my (%returnhash,@order); @@ -1326,7 +1379,7 @@ sub get_domain_defaults { } } if (ref($domconfig{'requestcourses'}) eq 'HASH') { - foreach my $item ('official','unofficial') { + foreach my $item ('official','unofficial','community') { $domdefaults{$item} = $domconfig{'requestcourses'}{$item}; } } @@ -1665,12 +1718,14 @@ sub userenvironment { } $items=~s/\&$//; my %returnhash=(); - my @answer=split(/\&/, - &reply('get:'.$udom.':'.$unam.':environment:'.$items, - &homeserver($unam,$udom))); - my $i; - for ($i=0;$i<=$#what;$i++) { - $returnhash{$what[$i]}=&unescape($answer[$i]); + my $uhome = &homeserver($unam,$udom); + unless ($uhome eq 'no_host') { + my @answer=split(/\&/, + &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome)); + my $i; + for ($i=0;$i<=$#what;$i++) { + $returnhash{$what[$i]}=&unescape($answer[$i]); + } } return %returnhash; } @@ -2009,9 +2064,13 @@ sub process_coursefile { print $fh $env{'form.'.$source}; close($fh); if ($parser eq 'parse') { - my $parse_result = &extract_embedded_items($filepath.'/'.$fname,$allfiles,$codebase); - unless ($parse_result eq 'ok') { - &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result); + my $mm = new File::MMagic; + my $mime_type = $mm->checktype_filename($filepath.'/'.$fname); + if ($mime_type eq 'text/html') { + my $parse_result = &extract_embedded_items($filepath.'/'.$fname,$allfiles,$codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result); + } } } $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, @@ -2253,11 +2312,15 @@ sub finishuserfileupload { } } if ($parser eq 'parse') { - my $parse_result = &extract_embedded_items($filepath.'/'.$file,$allfiles, - $codebase); - unless ($parse_result eq 'ok') { - &logthis('Failed to parse '.$filepath.$file. - ' for embedded media: '.$parse_result); + my $mm = new File::MMagic; + my $mime_type = $mm->checktype_filename($filepath.'/'.$file); + if ($mime_type eq 'text/html') { + my $parse_result = &extract_embedded_items($filepath.'/'.$file, + $allfiles,$codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.$file. + ' for embedded media: '.$parse_result); + } } } if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) { @@ -2968,7 +3031,8 @@ sub courseidput { sub courseiddump { my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter, $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok, - $selfenrollonly,$catfilter,$showhidden,$caller)=@_; + $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone, + $cloneonly,$createdbefore,$createdafter,$creationcontext)=@_; my $as_hash = 1; my %returnhash; if (!$domfilter) { $domfilter=''; } @@ -2987,7 +3051,10 @@ sub courseiddump { ':'.&escape($coursefilter).':'.&escape($typefilter). ':'.&escape($regexp_ok).':'.$as_hash.':'. &escape($selfenrollonly).':'.&escape($catfilter).':'. - $showhidden.':'.$caller,$tryserver); + $showhidden.':'.$caller.':'.&escape($cloner).':'. + &escape($cc_clone).':'.$cloneonly.':'. + &escape($createdbefore).':'.&escape($createdafter).':'. + &escape($creationcontext),$tryserver); my @pairs=split(/\&/,$rep); foreach my $item (@pairs) { my ($key,$value)=split(/\=/,$item,2); @@ -3002,7 +3069,7 @@ sub courseiddump { for (my $i=0; $i<@responses; $i++) { $returnhash{$key}{$items[$i]} = &unescape($responses[$i]); } - } + } } } } @@ -3042,10 +3109,10 @@ sub dcmaildump { sub get_domain_roles { my ($dom,$roles,$startdate,$enddate)=@_; - if (undef($startdate) || $startdate eq '') { + if ((!defined($startdate)) || ($startdate eq '')) { $startdate = '.'; } - if (undef($enddate) || $enddate eq '') { + if ((!defined($enddate)) || ($enddate eq '')) { $enddate = '.'; } my $rolelist; @@ -4635,6 +4702,7 @@ sub usertools_access { %tools = ( official => 1, unofficial => 1, + community => 1, ); } else { %tools = ( @@ -4667,7 +4735,7 @@ sub usertools_access { $toolstatus = $env{'environment.'.$context.'.'.$tool}; $inststatus = $env{'environment.inststatus'}; } else { - my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool); + my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool,'inststatus'); $toolstatus = $userenv{$context.'.'.$tool}; $inststatus = $userenv{'inststatus'}; } @@ -5506,11 +5574,21 @@ sub auto_run { sub auto_get_sections { my ($cnum,$cdom,$inst_coursecode) = @_; - my $homeserver = &homeserver($cnum,$cdom); - my @secs = (); - my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver)); - unless ($response eq 'refused') { - @secs = split(/:/,$response); + my $homeserver; + if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { + $homeserver = &homeserver($cnum,$cdom); + } + if (!defined($homeserver)) { + if ($cdom =~ /^$match_domain$/) { + $homeserver = &domain($cdom,'primary'); + } + } + my @secs; + if (defined($homeserver)) { + my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver)); + unless ($response eq 'refused') { + @secs = split(/:/,$response); + } } return @secs; } @@ -5529,6 +5607,23 @@ sub auto_validate_courseID { return $response; } +sub auto_validate_instcode { + my ($cnum,$cdom,$instcode,$owner) = @_; + my ($homeserver,$response); + if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { + $homeserver = &homeserver($cnum,$cdom); + } + if (!defined($homeserver)) { + if ($cdom =~ /^$match_domain$/) { + $homeserver = &domain($cdom,'primary'); + } + } + my $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'. + &escape($instcode).':'.&escape($owner),$homeserver)); + my ($outcome,$description) = map { &unescape($_); } split('&',$response,2); + return ($outcome,$description); +} + sub auto_create_password { my ($cnum,$cdom,$authparam,$udom) = @_; my ($homeserver,$response); @@ -5643,6 +5738,13 @@ sub auto_instcode_format { push(@homeservers,$tryserver); } } + } elsif ($caller eq 'requests') { + if ($codedom =~ /^$match_domain$/) { + my $chome = &domain($codedom,'primary'); + unless ($chome eq 'no_host') { + push(@homeservers,$chome); + } + } } else { push(@homeservers,&homeserver($caller,$codedom)); } @@ -5703,7 +5805,11 @@ sub auto_instcode_defaults { } sub auto_possible_instcodes { - my ($domain,$codetitles,$cat_titles,$cat_orders) = @_; + my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_; + unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') && + (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) { + return; + } my (@homeservers,$uhome); if (defined(&domain($domain,'primary'))) { $uhome=&domain($domain,'primary'); @@ -5720,8 +5826,10 @@ sub auto_possible_instcodes { foreach my $server (@homeservers) { $response=&reply('autopossibleinstcodes:'.$domain,$server); next if ($response =~ /(con_lost|error|no_such_host|refused)/); - my ($codetitlestr,$cat_title,$cat_order) = split(':',$response); - @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr)); + my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) = + split(':',$response); + @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr)); + @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr)); foreach my $item (split('&',$cat_title)) { my ($name,$value)=split('=',$item); $cat_titles->{&unescape($name)}=&thaw_unescape($value); @@ -5735,6 +5843,41 @@ sub auto_possible_instcodes { return $response; } +sub auto_courserequest_checks { + my ($dom) = @_; + my ($homeserver,%validations); + if ($dom =~ /^$match_domain$/) { + $homeserver = &domain($dom,'primary'); + } + unless ($homeserver eq 'no_host') { + my $response=&reply('autocrsreqchecks:'.$dom,$homeserver); + unless ($response =~ /(con_lost|error|no_such_host|refused)/) { + my @items = split(/&/,$response); + foreach my $item (@items) { + my ($key,$value) = split('=',$item); + $validations{&unescape($key)} = &thaw_unescape($value); + } + } + } + return %validations; +} + +sub auto_courserequest_validation { + my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = @_; + my ($homeserver,$response); + if ($dom =~ /^$match_domain$/) { + $homeserver = &domain($dom,'primary'); + } + unless ($homeserver eq 'no_host') { + + $response=&unescape(&reply('autocrsreqvalidation:'.$dom.':'.&escape($owner). + ':'.&escape($crstype).':'.&escape($inststatuslist). + ':'.&escape($instcode).':'.&escape($instseclist), + $homeserver)); + } + return $response; +} + sub auto_validate_class_sec { my ($cdom,$cnum,$owners,$inst_class) = @_; my $homeserver = &homeserver($cnum,$cdom); @@ -5901,8 +6044,8 @@ sub plaintext { } } my %rolenames = ( - Course => 'std', - Group => 'alt1', + Course => 'std', + Community => 'alt1', ); if (defined($type) && defined($rolenames{$type}) && @@ -5923,10 +6066,27 @@ sub assignrole { my $cwosec=$url; $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; unless (&allowed('ccr',$cwosec)) { - &logthis('Refused custom assignrole: '. - $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. - $env{'user.name'}.' at '.$env{'user.domain'}); - return 'refused'; + my $refused = 1; + if ($context eq 'requestcourses') { + if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) { + if ($role =~ m{^cr/($match_domain)/($match_username)/([^/]+)$}) { + if (($1 eq $env{'user.domain'}) && ($2 eq $env{'user.name'})) { + my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$}); + my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner')); + if ($crsenv{'internal.courseowner'} eq + $env{'user.name'}.':'.$env{'user.domain'}) { + $refused = ''; + } + } + } + } + } + if ($refused) { + &logthis('Refused custom assignrole: '. + $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start. + ' by '.$env{'user.name'}.' at '.$env{'user.domain'}); + return 'refused'; + } } $mrole='cr'; } elsif ($role =~ /^gr\//) { @@ -5954,7 +6114,18 @@ sub assignrole { if ($refused) { if (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { $refused = ''; - } else { + } elsif ($context eq 'requestcourses') { + my @possroles = ('st','ta','ep','in','cc'); + if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) { + my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$}); + my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner')); + if ($crsenv{'internal.courseowner'} eq + $env{'user.name'}.':'.$env{'user.domain'}) { + $refused = ''; + } + } + } + if ($refused) { &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url. ' '.$role.' '.$end.' '.$start.' by '. $env{'user.name'}.' at '.$env{'user.domain'}); @@ -6278,28 +6449,57 @@ sub writecoursepref { sub createcourse { my ($udom,$description,$url,$course_server,$nonstandard,$inst_code, - $course_owner,$crstype)=@_; + $course_owner,$crstype,$cnum,$context,$category)=@_; $url=&declutter($url); my $cid=''; - unless (&allowed('ccc',$udom)) { + if ($context eq 'requestcourses') { + my $can_create = 0; + my ($ownername,$ownerdom) = split(':',$course_owner); + if ($udom eq $ownerdom) { + if (&usertools_access($ownername,$ownerdom,$category,undef, + $context)) { + $can_create = 1; + } + } else { + my %userenv = &userenvironment($ownerdom,$ownername,'reqcrsotherdom.'. + $category); + if ($userenv{'reqcrsotherdom.'.$category} ne '') { + my @curr = split(',',$userenv{'reqcrsotherdom.'.$category}); + if (@curr > 0) { + my @options = qw(approval validate autolimit); + my $optregex = join('|',@options); + if (grep(/^\Q$udom\E:($optregex)(=?\d*)$/,@curr)) { + $can_create = 1; + } + } + } + } + if ($can_create) { + unless ($ownername eq $env{'user.name'} && $ownerdom eq $env{'user.domain'}) { + unless (&allowed('ccc',$udom)) { + return 'refused'; + } + } + } else { + return 'refused'; + } + } elsif (!&allowed('ccc',$udom)) { return 'refused'; } -# ------------------------------------------------------------------- Create ID - my $uname=int(1+rand(9)). - ('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. - substr($$.time,0,5).unpack("H8",pack("I32",time)). - unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; -# ----------------------------------------------- Make sure that does not exist - my $uhome=&homeserver($uname,$udom,'true'); - unless (($uhome eq '') || ($uhome eq 'no_host')) { - $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). - unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; - $uhome=&homeserver($uname,$udom,'true'); - unless (($uhome eq '') || ($uhome eq 'no_host')) { - return 'error: unable to generate unique course-ID'; - } - } -# ------------------------------------------------ Check supplied server name +# --------------------------------------------------------------- Get Unique ID + my $uname; + if ($cnum =~ /^$match_courseid$/) { + my $chome=&homeserver($cnum,$udom,'true'); + if (($chome eq '') || ($chome eq 'no_host')) { + $uname = $cnum; + } else { + $uname = &generate_coursenum($udom); + } + } else { + $uname = &generate_coursenum($udom); + } + return $uname if ($uname =~ /^error/); +# -------------------------------------------------- Check supplied server name $course_server = $env{'user.homeserver'} if (! defined($course_server)); if (! &is_library($course_server)) { return 'error:bad server name '.$course_server; @@ -6308,18 +6508,23 @@ sub createcourse { my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', $course_server); unless ($reply eq 'ok') { return 'error: '.$reply; } - $uhome=&homeserver($uname,$udom,'true'); + my $uhome=&homeserver($uname,$udom,'true'); if (($uhome eq '') || ($uhome eq 'no_host')) { return 'error: no such course'; } # ----------------------------------------------------------------- Course made # log existence + my $now = time; my $newcourse = { $udom.'_'.$uname => { description => $description, inst_code => $inst_code, owner => $course_owner, type => $crstype, + creator => $env{'user.name'}.':'. + $env{'user.domain'}, + created => $now, + context => $context, }, }; &courseidput($udom,$newcourse,$uhome,'notime'); @@ -6349,6 +6554,30 @@ ENDINITMAP return '/'.$udom.'/'.$uname; } +# ------------------------------------------------------------------- Create ID +sub generate_coursenum { + my ($udom) = @_; + my $domdesc = &domain($udom); + return 'error: invalid domain' if ($domdesc eq ''); + my $uname=int(1+rand(9)). + ('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. + substr($$.time,0,5).unpack("H8",pack("I32",time)). + unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; +# ----------------------------------------------- Make sure that does not exist + my $uhome=&homeserver($uname,$udom,'true'); + unless (($uhome eq '') || ($uhome eq 'no_host')) { + $uname=int(1+rand(9)). + ('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. + substr($$.time,0,5).unpack("H8",pack("I32",time)). + unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; + $uhome=&homeserver($uname,$udom,'true'); + unless (($uhome eq '') || ($uhome eq 'no_host')) { + return 'error: unable to generate unique course-ID'; + } + } + return $uname; +} + sub is_course { my ($cdom,$cnum) = @_; my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef, @@ -6359,6 +6588,39 @@ sub is_course { return 0; } +sub store_userdata { + my ($storehash,$datakey,$namespace,$udom,$uname) = @_; + my $result; + if ($datakey ne '') { + if (ref($storehash) eq 'HASH') { + if ($udom eq '' || $uname eq '') { + $udom = $env{'user.domain'}; + $uname = $env{'user.name'}; + } + my $uhome=&homeserver($uname,$udom); + if (($uhome eq '') || ($uhome eq 'no_host')) { + $result = 'error: no_host'; + } else { + $storehash->{'ip'} = $ENV{'REMOTE_ADDR'}; + $storehash->{'host'} = $perlvar{'lonHostID'}; + + my $namevalue=''; + foreach my $key (keys(%{$storehash})) { + $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; + } + $namevalue=~s/\&$//; + $result = &reply("store:$env{'user.domain'}:$env{'user.name'}:". + "$namespace:$datakey:$namevalue",$uhome); + } + } else { + $result = 'error: data to store was not a hash reference'; + } + } else { + $result= 'error: invalid requestkey'; + } + return $result; +} + # ---------------------------------------------------------- Assign Custom Role sub assigncustomrole { @@ -7848,6 +8110,11 @@ sub devalidate_title_cache { &devalidate_cache_new('title',$key); } +# ------------------------------------------------- Get the title of a course + +sub current_course_title { + return $env{ 'course.' . $env{'request.course.id'} . '.description' }; +} # ------------------------------------------------- Get the title of a resource sub gettitle { @@ -9661,7 +9928,7 @@ and course level plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash (rolesplain.tab); plain text explanation of a user role term. -$type is Course (default) or Group. +$type is Course (default) or Community. If $forcedefault evaluates to true, text returned will be default text for $type. Otherwise, if this is a course, the text returned will be a custom name for the role (if defined in the course's @@ -9871,7 +10138,11 @@ database) for a course =item * -createcourse($udom,$description,$url) : make/modify course +createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course + +=item * + +generate_coursenum($udom) : get a unique (unused) course number in domain $udom =back