version 1.18, 2002/08/14 20:38:52
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version 1.46, 2004/02/11 00:19:49
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#!/usr/bin/perl |
#!/usr/bin/perl |
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# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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use lib '/home/httpd/lib/perl'; |
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use Time::Local; |
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use LONCAPA::loncgi(); |
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use File::Path; |
use IO::File; |
use IO::File; |
use Image::Magick; |
use Image::Magick; |
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my %origENV=%ENV; |
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if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { |
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print <<END; |
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Content-type: text/html |
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<html> |
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<head><title>Bad Cookie</title></head> |
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<body> |
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Your cookie information is incorrect. |
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</body> |
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</html> |
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END |
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return; |
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} |
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print "Content-type: text/html\n\n"; |
print "Content-type: text/html\n\n"; |
print "<body bgcolor=\"#FFFFFF\">\n"; |
print "<body bgcolor=\"#FFFFFF\">\n"; |
my ($texfile,$laystyle,$numberofcolumns) = split(/&/,$ENV{'QUERY_STRING'}); |
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my $identifier = $ENV{'QUERY_STRING'}; |
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my $texfile = $ENV{'cgi.'.$identifier.'.file'}; |
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my $laystyle = $ENV{'cgi.'.$identifier.'.layout'}; |
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my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'}; |
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my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'}; |
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my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'}; |
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my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'}; |
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my $advans_role = $ENV{'cgi.'.$identifier.'role'}; |
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my $back_ref = $ENV{'cgi.'.$identifier.'backref'}; |
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my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1; |
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my $student_names = $ENV{'cgi.'.$identifier.'studentnames'}; |
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my @names_pack=(); |
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if ($student_names=~/_END_/) { |
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@names_pack=split(/_ENDPERSON_/,$student_names); |
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} |
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#got what we needed reset ENV in case it is to big for system |
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%ENV=%origENV; |
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my $figfile = $texfile; |
my $figfile = $texfile; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
my $duefile = $texfile; |
my $duefile = $texfile; |
$duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; |
$duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; |
#do we have figures? |
#do we have figures? |
if (-e $figfile) { |
if (-e $figfile) { |
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my %done_conversion; |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
my @content_of_file = <$temporary_file>; |
my @content_of_file = <$temporary_file>; |
close $temporary_file; |
close $temporary_file; |
my $noteps; |
my $noteps; |
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&Create_StatWin ('Starting eps pictures creation', 'Pictires Status window'); |
foreach $not_eps (@content_of_file) { |
foreach $not_eps (@content_of_file) { |
if ($not_eps ne '') { |
if ($not_eps ne '') { |
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my $status_statement='EPS picture for '.$not_eps; |
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&Update_StaWin ($status_statement); |
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$not_eps=~s|\/\.\/|\/|g; |
my $eps_f = $not_eps; |
my $eps_f = $not_eps; |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
$_ = $eps_f; |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
m/\/([^\/]+)$/; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f = '/home/httpd/prtspool/'.$1; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
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} else { |
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$eps_f=~m/\/home\/httpd\/html\/res\/(.+)/; |
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$eps_f = '/home/httpd/prtspool/'.$1; |
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} |
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my $path=$eps_f; |
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$path=~s/\/([^\/]+)\.eps$//; |
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File::Path::mkpath($path,0,0777); |
my $image = Image::Magick->new; |
my $image = Image::Magick->new; |
$not_eps =~ s/^\s+//; |
$not_eps =~ s/^\s+//; |
$not_eps =~ s/\s+$//; |
$not_eps =~ s/\s+$//; |
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if ( exists($done_conversion{$not_eps})) { |
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next; |
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} |
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$done_conversion{$not_eps}=1; |
$status = $image->Read($not_eps); |
$status = $image->Read($not_eps); |
if ($status) {print " $status ";} |
if ($status) {print " $status ";} |
$image->Set(page => '+100+200'); |
$image->Set(page => '+100+200'); |
$status = $image->Write($eps_f); |
$status = $image->Write($eps_f); |
if ($status) {print " $status ";} |
if ($status) {print " $status ";} |
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#check is eps exist in prtspool |
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if(not -e $eps_f) { |
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for (my $i=0;$i<10000;$i++) { |
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if (-e $eps_f.'.'.$i) { |
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rename $eps_f.'.'.$i, $eps_f; |
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last; |
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} |
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} |
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} |
} |
} |
} |
} |
unlink $figfile; |
&Close_StatWin(); |
} |
} |
#print "$texfile\n"; #name of the tex file for debugging only |
#print "$texfile\n"; #name of the tex file for debugging only |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
my @texfile=($texfile); |
my $name_file = $2; |
if ($number_of_files>1) { |
my $path_file = $1.'/'; |
for (my $i=1;$i<=$number_of_files-1;$i++) { |
chdir $path_file; |
my $new_texfile=$texfile; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
$new_texfile=~s/\.tex/_add$i\.tex/; |
#Do we have a latex error in the log file? |
push @texfile,$new_texfile; |
my $logfilename = $texfile; |
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$logfilename =~ s/\.tex$/\.log/; |
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my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
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my @content_of_file = <$temporary_file>; |
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close $temporary_file; |
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my $body_log_file = join(' ',@content_of_file); |
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if ($body_log_file=~m/!\s+Emergency stop/) { |
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#LaTeX failed to parse tex file |
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print "<h1>LaTeX could not successfully parse your tex file.</h1>"; |
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print "<h2>It probably has errors in it.</h2>"; |
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print "Here are the error messages in the LaTeX log file</br>"; |
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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/^!/) { |
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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]<br />"; |
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} |
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} |
} |
} else { |
} |
#LaTeX successfully parsed tex file |
my $ind=-1; |
$name_file =~ s/\.tex/\.dvi/; |
&Create_StatWin ('Starting PDF production for students', 'PDF Status window'); |
my $new_name_file = $name_file; |
foreach $texfile (@texfile) { |
$new_name_file =~ s/\.dvi/\.ps/; |
my $final_statement="<b>Link to your PDF document:</b> "; |
my $comma = "dvips -o $new_name_file"; |
my $status_statement='PDF document for '; |
system("$comma $name_file"); |
if ($number_of_files>1) { |
if (-e $new_name_file) { |
$ind++; |
print "<h1>OUTPUT is in the PDF FILE (see link below)</h1>\n"; |
my @stud_info=split(/_END_/,$names_pack[$ind]); |
$new_name_file =~ m/^(.*)\./; |
my @tempo_array=split(/:/,$stud_info[0]); |
my $tempo_file = $1.'temporar.ps'; |
$final_statement='Link to PDF document for <b>'.$tempo_array[3].'</b> '; |
my $name_file = $1.'.pdf'; |
$status_statement.=$tempo_array[3]; |
if ($laystyle eq 'album') { |
if ($#stud_info>0) { |
$comma = "psnup -2 -s1.0 $new_name_file"; |
@tempo_array=split(/:/,$stud_info[-1]); |
system("$comma $tempo_file"); |
$final_statement.='- <b>'.$tempo_array[3].':</b> '; |
system("ps2pdf $tempo_file $name_file"); |
$status_statement.=' - '.$tempo_array[3]; |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} |
$comma = 'pstops "2:0+1(0.5w,0)"'; |
} |
system("$comma $new_name_file $tempo_file"); |
&Update_StaWin ($status_statement); |
system("ps2pdf $tempo_file $name_file"); |
if (-e $texfile) { |
} else { |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
system("ps2pdf $new_name_file $name_file"); |
my $name_file = $2; |
} |
my $path_file = $1.'/'; |
my $texlog = $texfile; |
chdir $path_file; |
my $texaux = $texfile; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
my $texdvi = $texfile; |
if ($tableofcontents eq 'yes') { |
my $texps = $texfile; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
$texlog =~ s/\.tex/\.log/; |
} #to create table of contents |
$texaux =~ s/\.tex/\.aux/; |
my $idxname=$name_file; |
$texdvi =~ s/\.tex/\.dvi/; |
$idxname=~s/\.tex$/\.idx/; |
$texps =~ s/\.tex/\.ps/; |
if ($tableofindex eq 'yes') { |
my @garb = ($texlog,$texaux,$texdvi,$texps); |
system("makeindex $idxname"); |
#unlink @garb; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
unlink $duefile; |
} #to create index |
print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
#Do we have a latex error in the log file? |
print "\n"; |
my $logfilename = $texfile; |
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$logfilename =~ s/\.tex$/\.log/; |
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my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
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my @content_of_file = <$temporary_file>; |
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close $temporary_file; |
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my $body_log_file = join(' ',@content_of_file); |
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$logfilename =~ s/\.log$/\.html/; |
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$temporary_file = IO::File->new('>'.$logfilename); |
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print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
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if ($body_log_file=~m/!\s+Emergency stop/) { |
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#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'; |
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my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
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if ($whereitbegins!=-1 and $whereitends!=-1) { |
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print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; |
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} |
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print "Here are the error messages in the LaTeX log file</br><br />"; |
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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[$i]<br />"; |
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} |
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} |
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if ($advans_role) { |
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print "<b><big>The link to "; |
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$logfilename=~s/\/home\/httpd//; |
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print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
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print "\n"; |
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#link tooriginal LaTeX file (included according Michael Hamlin desire) |
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my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
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my @tex_content_of_file = <$tex_temporary_file>; |
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close $tex_temporary_file; |
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my $body_tex_file = join(' ',@tex_content_of_file); |
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$texfile =~ s/\.tex$/aaaaa\.html/; |
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$tex_temporary_file = IO::File->new('>'.$texfile); |
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print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$texfile=~s/\/home\/httpd//; |
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print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
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print "\n"; |
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} |
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} elsif ($body_log_file=~m/<inserted text>/) { |
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my $whereitbegins = index $body_log_file,'<inserted text>'; |
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print "You are running LaTeX in the <b>batch mode</b>."; |
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while ($whereitbegins != -1) { |
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my $tempobegin=$whereitbegins; |
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$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
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my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
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print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n"; |
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print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n"; |
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$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
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} |
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$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
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system("$comma $name_file 1>/dev/null 2>/dev/null"); |
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if (-e $new_name_file) { |
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print "<h1>PDF output file (see link below)</h1>\n"; |
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$new_name_file =~ m/^(.*)\./; |
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my $tempo_file = $1.'temporar.ps'; |
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my $name_file = $1.'.pdf'; |
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if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
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system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} else { |
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system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
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} |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texaux,$texdvi,$texps); |
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# unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
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if ($advans_role) { |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$logfilename=~s/\/home\/httpd//; |
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print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
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print "\n"; |
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#link tooriginal LaTeX file (included according Michael Hamlin desire) |
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my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
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my @tex_content_of_file = <$tex_temporary_file>; |
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close $tex_temporary_file; |
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my $body_tex_file = join(' ',@tex_content_of_file); |
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$texfile =~ s/\.tex$/aaaaa\.html/; |
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$tex_temporary_file = IO::File->new('>'.$texfile); |
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print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$texfile=~s/\/home\/httpd//; |
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print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
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print "\n"; |
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} |
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} |
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} else { |
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#LaTeX successfully parsed tex file |
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$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
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system("$comma $name_file 1>/dev/null 2>/dev/null"); |
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if (-e $new_name_file) { |
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print "<br />$final_statement "; |
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$new_name_file =~ m/^(.*)\./; |
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my $tempo_file = $1.'temporar.ps'; |
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my $name_file = $1.'.pdf'; |
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if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
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system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} else { |
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system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
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} |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texlog,$texaux,$texdvi,$texps); |
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# unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
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print "\n"; |
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} |
} |
} |
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} else { |
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print "LaTeX file $texfile was not created successfully"; |
} |
} |
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} |
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print "<br />"; |
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if ($number_of_files>1) { |
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my $zipfile=$texfile[0]; |
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$zipfile=~s/\.tex/\.zip/; |
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my $statement="zip $zipfile"; |
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foreach my $file (@texfile) { |
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$file=~s/\.tex/.\pdf/; |
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$statement.=' '.$file; |
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} |
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system("$statement"); |
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$zipfile=~s/\/home\/httpd//; |
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print "<br /> <a href=\"$zipfile\">Your ZIP file is here</a>"; |
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} |
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&Close_StatWin(); |
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sub Create_StatWin { |
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my ($title, $heading)=@_; |
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print('<script>'. |
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"popwin=window.open('','popwin','width=400,height=100');". |
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"popwin.document.writeln('<html><head><title>$title</title></head>". |
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"<body bgcolor=\"#88DDFF\">". |
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"<h4>$heading</h4>". |
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"<form name=popremain>". |
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'<input type="text" size="55" name="remaining" value="'. |
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'Starting'.'"></form>'. |
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"</body></html>');". |
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"popwin.document.close();". |
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"</script>"); |
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} |
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sub Update_StaWin { |
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my ($info)=@_; |
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print('<script>popwin.document.popremain.remaining.value="'. |
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$info.'";'.'</script>'); |
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} |
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sub Close_StatWin { |
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print('<script>popwin.window.close()</script>'."\n"); |
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} |
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