version 1.78, 2005/05/02 22:59:11
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version 1.89, 2005/08/04 21:26:23
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#!/usr/bin/perl |
#!/usr/bin/perl |
# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
# |
# |
# $Id$ |
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# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
# |
# |
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use lib '/home/httpd/lib/perl'; |
use lib '/home/httpd/lib/perl'; |
use LONCAPA::loncgi; |
use LONCAPA::loncgi; |
use File::Path; |
use File::Path; |
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use File::Basename; |
use IO::File; |
use IO::File; |
use Image::Magick; |
use Image::Magick; |
use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon; |
use Apache::lonnet(); |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon; |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonmsg; |
use Apache::lonmsg; |
Line 40 use LONCAPA::Enrollment;
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Line 40 use LONCAPA::Enrollment;
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use strict; |
use strict; |
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# Get the list of course coordinators authorized on this course: |
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#Parameters: |
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# id - Course id. |
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# dom - Domain of course. |
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#Returns: |
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# A (possibly empty) list of course coordinators. Each course coordinator |
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# is given as user:domain |
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# |
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sub get_cc_list { |
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my ($id, $dom) = @_; |
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my @personel = &Apache::lonnet::getkeys('nohist_userroles', $dom, $id); |
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my @coordinators; |
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foreach my $person (@personel) { |
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my @info = split(/:/, $person); |
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my $role = $info[0]; |
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my $user = $info[1]; |
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my $udom = $info[2]; |
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if ($role eq 'cc') { |
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my $isactive = &LONCAPA::Enrollment::check_user_status($udom, $user, $dom, $id, 'cc'); |
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if ($isactive eq 'ok') { |
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push @coordinators, $user.':'.$udom; |
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} |
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} |
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} |
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return (@coordinators); |
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} |
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# |
# |
# Determine if a user is operating as a student for this course/domain. |
# Determine if a user is operating as a student for this course/domain. |
# |
# |
Line 78 sub get_cc_list {
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Line 53 sub get_cc_list {
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# $env{request.role} contains the role under which this user operated this |
# $env{request.role} contains the role under which this user operated this |
# this request. |
# this request. |
sub is_student { |
sub is_student { |
my ($course, $cdom) = @_; |
return (! $env{'request.role.adv'}); |
my $active_role = $env{'request.role'}; |
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my @role_fields = split(/\//, $active_role); |
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if ( ($role_fields[0] eq 'st.') && ($role_fields[1] eq $cdom) && |
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($role_fields[2] eq $course)) { |
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return 1; |
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} else { |
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return 0; |
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} |
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} |
} |
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# |
# |
# Debugging: Dump the environment for debugging. |
# Debugging: Dump the environment for debugging. |
# |
# |
sub dumpenv { |
sub dumpenv { |
print "<p>-------------------</p>"; |
print "<br />-------------------<br />"; |
foreach my $key (sort (keys %env)) { |
foreach my $key (sort (keys %env)) { |
print "<br />$key -> $env{$key}"; |
print "<br />$key -> $env{$key}"; |
} |
} |
print "<p>-------------------</p>"; |
print "<br />-------------------<br />"; |
} |
} |
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# |
# |
Line 110 sub dumpenv {
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Line 73 sub dumpenv {
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# a student printing inside a course results in messages to the course coordinator. |
# a student printing inside a course results in messages to the course coordinator. |
#Parmaeters: |
#Parmaeters: |
# identifier - The unique identifier of this cgi request. |
# identifier - The unique identifier of this cgi request. |
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# badresource- Filepath to most likely failing |
# logfile - The contents of the log file (included in the message). |
# logfile - The contents of the log file (included in the message). |
# texfile - reference to an array containing the LaTeX input file |
# texfile - reference to an array containing the LaTeX input file |
# (included in the message). |
# (included in the message). |
Line 123 sub dumpenv {
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Line 87 sub dumpenv {
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# was attempted. |
# was attempted. |
# |
# |
sub send_error_mail { |
sub send_error_mail { |
my ($identifier,$logfile, $texfile) = @_; |
my ($identifier, $badresource, $logfile, $texfile) = @_; |
my $user = $env{"cgi.$identifier.user"}; |
my $user = $env{"cgi.$identifier.user"}; |
my $domain = $env{"cgi.$identifier.domain"}; |
my $domain = $env{"cgi.$identifier.domain"}; |
my $courseid = $env{"cgi.$identifier.courseid"}; |
my $courseid = $env{"cgi.$identifier.courseid"}; |
my $coursedom= $env{"cgi.$identifier.coursedom"}; |
my $coursedom= $env{"cgi.$identifier.coursedom"}; |
my $resources= $env{"cgi.$identifier.resources"}; |
my $resources= $env{"cgi.$identifier.resources"}; |
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# &dumpenv(); |
# resource file->URL |
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# |
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my $badurl = &Apache::lonnet::declutter($badresource); |
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# &dumpenv(); |
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Line 140 sub send_error_mail {
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Line 108 sub send_error_mail {
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if(defined($user) && defined($domain) && defined($courseid) && |
if(defined($user) && defined($domain) && defined($courseid) && |
defined($coursedom) && defined($resources) ){ |
defined($coursedom) && defined($resources) ){ |
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my @cclist = &get_cc_list($courseid, $coursedom); |
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# Only mail if the conditions are ripe for it: |
# Only mail if the conditions are ripe for it: |
# The user is a student in the course: |
# The user is a student in the course: |
# |
# |
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if (&is_student( $courseid, $coursedom)) { |
if (&is_student( $courseid, $coursedom)) { |
# build the subject and message body: |
# build the subject and message body: |
print "sending message to course coordinators.<br />"; |
# print "sending message to course coordinators.<br />"; |
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my $subject = "Print failed for $user".'@'.$domain; |
# Todo: Convert badurl into a url from file path: |
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my $subject = "Error [$badurl] Print failed for $user".'@'.$domain; |
my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n"; |
my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n"; |
$message .= " User was attempting to print: \n"; |
$message .= " User was attempting to print: \n"; |
$message .= " $resources\n"; |
$message .= " $resources\n"; |
Line 161 sub send_error_mail {
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Line 129 sub send_error_mail {
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foreach my $line (@$texfile) { |
foreach my $line (@$texfile) { |
$message .= "$line\n"; |
$message .= "$line\n"; |
} |
} |
foreach my $dest (@cclist) { |
my (undef, %receivers) = &Apache::lonfeedback::decide_receiver(undef, 0, |
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1,1,1); |
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# print "<br /> sending...section: $env{'request.course.sec'}"; |
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foreach my $dest (keys %receivers) { |
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# print "<br /> dest is $dest"; |
my @destinfo = split(/:/,$dest); |
my @destinfo = split(/:/,$dest); |
my $user = $destinfo[0]; |
my $user = $destinfo[0]; |
my $dom = $destinfo[1]; |
my $dom = $destinfo[1]; |
Line 201 END
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Line 173 END
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my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'}; |
my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'}; |
my $paper = $env{'cgi.'.$identifier.'.paper'}; |
my $paper = $env{'cgi.'.$identifier.'.paper'}; |
my $selectionmade = $env{'cgi.'.$identifier.'.selection'}; |
my $selectionmade = $env{'cgi.'.$identifier.'.selection'}; |
my $tableofcontents = $env{'cgi.'.$identifier.'tableofcontents'}; |
my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'}; |
my $tableofindex = $env{'cgi.'.$identifier.'tableofindex'}; |
my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'}; |
my $advanced_role = $env{'cgi.'.$identifier.'role'}; |
my $advanced_role = $env{'cgi.'.$identifier.'.role'}; |
my $number_of_files = $env{'cgi.'.$identifier.'numberoffiles'}+1; |
my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1; |
my $student_names = $env{'cgi.'.$identifier.'studentnames'}; |
my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'backref'}); |
my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'}); |
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my $adv = $env{'request.role.adv'}; |
my $adv = $env{'request.role.adv'}; |
Line 239 END
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Line 211 END
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# print "$status_statement\n"; |
# print "$status_statement\n"; |
$not_eps=~s|\/\.\/|\/|g; |
$not_eps=~s|\/\.\/|\/|g; |
my $eps_f = $not_eps; |
my $eps_f = $not_eps; |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
# $eps_f =~ s/\.[^.]*$/\.eps/i; |
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$eps_f .= '.eps'; # Just append the eps ext. |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
Line 290 END
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Line 263 END
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@texfile=(); |
@texfile=(); |
for (my $i=1;$i<=$number_of_files;$i++) { |
for (my $i=1;$i<=$number_of_files;$i++) { |
my $new_texfile=$texfile; |
my $new_texfile=$texfile; |
$new_texfile=~s/\.tex/_$i\.tex/; |
$new_texfile=~s/\.tex//; |
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$new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i); |
push @texfile,$new_texfile; |
push @texfile,$new_texfile; |
} |
} |
} |
} |
Line 300 my %prog_state;
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Line 274 my %prog_state;
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print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
print "<br />"; |
print "<br />"; |
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my $num_files = @texfile; |
foreach $texfile (@texfile) { |
foreach $texfile (@texfile) { |
my $status_statement=''; |
my $status_statement=''; |
my $link_text='download PDF'; |
my $link_text='download PDF'; |
Line 307 foreach $texfile (@texfile) {
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Line 282 foreach $texfile (@texfile) {
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my @stud_info=split(/_END_/,$names_pack[$ind]); |
my @stud_info=split(/_END_/,$names_pack[$ind]); |
my @tempo_array=split(/:/,$stud_info[0]); |
my @tempo_array=split(/:/,$stud_info[0]); |
my $name; |
my $name; |
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my $name_range=''; |
if ($tempo_array[3]) { |
if ($tempo_array[3]) { |
$name=$tempo_array[3]; |
$name=$tempo_array[3]; |
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($name_range) = split(/,/,$name, 2); |
} else { |
} else { |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
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$name_range = $tempo_array[0]; |
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} |
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if (($name ne "") && ($name ne '@') ) { # Could be printing codes... |
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$link_text='<b>'.$name.'</b>'; |
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$status_statement.=$name; |
} |
} |
$link_text='<b>'.$name.'</b>'; |
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$status_statement.=$name; |
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if ($#stud_info>0) { |
if ($#stud_info>0) { |
@tempo_array=split(/:/,$stud_info[-1]); |
@tempo_array=split(/:/,$stud_info[-1]); |
if ($tempo_array[3]) { |
if ($tempo_array[3]) { |
$name=$tempo_array[3]; |
$name=$tempo_array[3]; |
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my ($lastname) = split(/,/, $name,2); |
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$name_range .= "-".$lastname; |
} else { |
} else { |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
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$name_range .= '-'.$tempo_array[0]; |
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} |
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if (($name ne "") && ($name ne '@')) { |
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$link_text.=' - <b>'.$name.'</b>'; |
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$status_statement.=' - '.$name; |
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} |
} |
$link_text.=' - <b>'.$name.'</b>'; |
} |
$status_statement.=' - '.$name; |
if(($num_files > 1) && ($link_text eq 'download PDF')) { # Printing codes |
} |
$link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>'; |
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$status_statement .= basename($texfile); |
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} |
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$name_range =~ s/'//g; # O'Neil -> ONeil e.g. |
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print "<br/>"; |
if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
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# This little piece of dirt puts username ranges into the original tex |
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# Tex filename from which they'll propagate into the other filenames as well. |
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# |
if (-e $texfile) { |
if (-e $texfile) { |
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if (($name_range ne '') && ($num_files > 1)) { |
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my $newtexfile = $texfile; |
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$newtexfile =~ s/\.tex/$name_range\.tex/; |
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rename($texfile, $newtexfile); |
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$texfile = $newtexfile; |
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} |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
my $name_file = $2; |
my $name_file = $2; |
my $path_file = $1.'/'; |
my $path_file = $1.'/'; |
chdir $path_file; |
chdir $path_file; |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/; |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/$name_range\.dvi/; |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now LaTeXing file", |
"for $status_statement now LaTeXing file", |
\%prog_state,$dvi_file); |
\%prog_state,$dvi_file); |
Line 359 foreach $texfile (@texfile) {
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Line 360 foreach $texfile (@texfile) {
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$temporary_file = IO::File->new('>'.$logfilename); |
$temporary_file = IO::File->new('>'.$logfilename); |
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
if ($body_log_file=~m/!\s+Emergency stop/) { |
if ($body_log_file=~m/!\s+Emergency stop/) { |
#LaTeX failed to parse tex file |
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print "<h2>LaTeX could not successfully parse your tex file.</h2>"; |
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print "It probably has errors in it.<br />"; |
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my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
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my $badresource; |
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my $badtext; |
if ($whereitbegins!=-1 and $whereitends!=-1) { |
if ($whereitbegins!=-1 and $whereitends!=-1) { |
print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; |
$badtext = substr($body_log_file,$whereitbegins+26, $whereitends-$whereitbegins-26); |
} |
$whereitbegins = rindex $badtext,'located in'; |
print "Here are the error messages in the LaTeX log file</br><br /><pre>"; |
if ($whereitbegins != -1) { |
my $sygnal = 0; |
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for (my $i=0;$i<=$#content_of_file;$i++) { |
$badresource = substr($badtext, $whereitbegins+27, |
if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
length($badtext) - $whereitbegins - 48); |
$sygnal = 1; |
# print "<br />failing resourcename: $badresource<br />"; |
} |
} |
if ($content_of_file[$i]=~m/Here is how much of/) { |
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$sygnal = 0; |
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} |
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if ($sygnal) { |
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print "$content_of_file[$i]"; |
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} |
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} |
} |
print "</pre>\n"; |
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if ($advanced_role) { |
if ($advanced_role) { |
print "<p> Advanced role </p>"; |
#LaTeX failed to parse tex file |
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print "<h2>LaTeX could not successfully parse your tex file.</h2>"; |
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print "It probably has errors in it.<br />"; |
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print "With very high probability this error occured in ".$badtext."<br /><br />"; |
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print "Here are the error messages in the LaTeX log file<br /><pre>"; |
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my $sygnal = 0; |
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for (my $i=0;$i<=$#content_of_file;$i++) { |
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if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
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$sygnal = 1; |
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} |
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if ($content_of_file[$i]=~m/Here is how much of/) { |
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$sygnal = 0; |
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} |
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if ($sygnal) { |
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print "$content_of_file[$i]"; |
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} |
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} |
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print "</pre>\n"; |
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# print "<br /> Advanced role <br />"; |
print "<b><big>The link to "; |
print "<b><big>The link to "; |
$logfilename=~s/\/home\/httpd//; |
$logfilename=~s/\/home\/httpd//; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
Line 406 foreach $texfile (@texfile) {
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Line 418 foreach $texfile (@texfile) {
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# $name_file - is the name of the LaTeX file. |
# $name_file - is the name of the LaTeX file. |
# $identifier - is the unique LaTeX identifier.l |
# $identifier - is the unique LaTeX identifier.l |
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print "<br />There are errors in $badtext"; |
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print "<br />These errors prevent this resource from printing correctly"; |
my $tex_handle = IO::File->new($name_file); |
my $tex_handle = IO::File->new($name_file); |
my @tex_contents = <$tex_handle>; |
my @tex_contents = <$tex_handle>; |
&send_error_mail($identifier, $body_log_file, \@tex_contents); |
&send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents); |
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print "<br />A message has been sent to the instructor describing this failure<br />" |
} |
} |
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} elsif ($body_log_file=~m/<inserted text>/) { |
} elsif ($body_log_file=~m/<inserted text>/) { |
Line 438 foreach $texfile (@texfile) {
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Line 453 foreach $texfile (@texfile) {
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my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $pdf_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
$comma = "psnup -2 -s1.0 $new_name_file"; |
my $papera=$paper; |
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if ($papera eq 'letter') {$papera='';} |
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if ($papera ne '') {$papera='-p'.$papera;} |
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$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Modifying PS layout", |
"for $status_statement now Modifying PS layout", |
\%prog_state,$tempo_file); |
\%prog_state,$tempo_file); |
Line 508 foreach $texfile (@texfile) {
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Line 526 foreach $texfile (@texfile) {
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$new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $pdf_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
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$papera=~s/t/p/; |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
$comma = "psnup -2 -s1.0 $new_name_file"; |
$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Modifying PS layout", |
"for $status_statement now Modifying PS layout", |
\%prog_state,$tempo_file); |
\%prog_state,$tempo_file); |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
$papera=~s/t/p/; |
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$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Modifying PS layout", |
"for $status_statement now Modifying PS layout", |