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Added scoreDownload URL for ScoreDownload.pm module
1 ################################################################################ 2 # WeBWorK mod_perl (c) 2000-2002 WeBWorK Project 3 # $Id$ 4 ################################################################################ 5 6 package WeBWorK; 7 8 =head1 NAME 9 10 WeBWorK - Dispatch requests to the appropriate ContentGenerator. 11 12 =cut 13 14 use strict; 15 use warnings; 16 use Apache::Constants qw(:common REDIRECT DONE); 17 use Apache::Request; 18 use WeBWorK::Authen; 19 use WeBWorK::Authz; 20 use WeBWorK::ContentGenerator::Feedback; 21 use WeBWorK::ContentGenerator::GatewayQuiz; 22 use WeBWorK::ContentGenerator::Hardcopy; 23 use WeBWorK::ContentGenerator::Instructor::Assigner; 24 use WeBWorK::ContentGenerator::Instructor::Index; 25 use WeBWorK::ContentGenerator::Instructor::PGProblemEditor; 26 use WeBWorK::ContentGenerator::Instructor::ProblemList; 27 use WeBWorK::ContentGenerator::Instructor::ProblemSetEditor; 28 use WeBWorK::ContentGenerator::Instructor::ProblemSetList; 29 use WeBWorK::ContentGenerator::Instructor::UserList; 30 use WeBWorK::ContentGenerator::Instructor::SendMail; 31 use WeBWorK::ContentGenerator::Instructor::ShowAnswers; 32 use WeBWorK::ContentGenerator::Instructor::Scoring; 33 use WeBWorK::ContentGenerator::Instructor::ScoringDownload; 34 use WeBWorK::ContentGenerator::Instructor::ScoringTotals; 35 use WeBWorK::ContentGenerator::Instructor::Stats; 36 use WeBWorK::ContentGenerator::Login; 37 use WeBWorK::ContentGenerator::Logout; 38 use WeBWorK::ContentGenerator::Options; 39 use WeBWorK::ContentGenerator::Problem; 40 use WeBWorK::ContentGenerator::ProblemSet; 41 use WeBWorK::ContentGenerator::ProblemSets; 42 use WeBWorK::ContentGenerator::Test; 43 use WeBWorK::CourseEnvironment; 44 use WeBWorK::DB; 45 use WeBWorK::Timing; 46 47 #sub dispatch($) { 48 # print STDERR "Executing &WeBWorK::dispatch\n"; 49 # return DECLINED; 50 #} 51 #1; 52 #__END__ 53 54 sub dispatch($) { 55 my ($apache) = @_; 56 my $r = Apache::Request->new($apache); 57 # have to deal with unpredictable GET or POST data, and sift 58 # through it for the key. So use Apache::Request 59 60 # This stuff is pretty much copied out of the O'Reilly mod_perl book. 61 # It's for figuring out the basepath. I may change this up if I find a 62 # better way to do it. 63 my $path_info = $r->path_info || ""; 64 $path_info =~ s!/+!/!g; # strip multiple forward slashes 65 my $current_uri = $r->uri; 66 my $args = $r->args; 67 68 my ($urlRoot) = $current_uri =~ m/^(.*)$path_info/; 69 70 # If it's a valid WeBWorK URI, it ends in a /. This is assumed 71 # alllll over the place. 72 unless (substr($current_uri,-1) eq '/') { 73 $r->header_out(Location => "$current_uri/" . ($args ? "?$args" : "")); 74 return REDIRECT; 75 # *** any post data gets lost here -- fix that. 76 # (actually, it's not a problem, since all URLs generated 77 # from within the system have trailing slashes, and we don't 78 # need POST data from outside the system anyway!) 79 } 80 81 # Create the @components array, which contains the path specified in the URL 82 my($junk, @components) = split "/", $path_info; 83 my $webwork_root = $r->dir_config('webwork_root'); # From a PerlSetVar in httpd.conf 84 my $pg_root = $r->dir_config('pg_root'); # From a PerlSetVar in httpd.conf 85 my $course = shift @components; 86 87 # Try to get the course environment. 88 my $ce = eval {WeBWorK::CourseEnvironment->new($webwork_root, $urlRoot, $pg_root, $course);}; 89 if ($@) { # If there was an error getting the requested course 90 die "Failed to read course environment for $course: $@"; 91 } 92 93 # If no course was specified, redirect to the home URL 94 unless (defined $course) { 95 $r->header_out(Location => $ce->{webworkURLs}->{home}); 96 return REDIRECT; 97 } 98 99 # Freak out if the requested course doesn't exist. For now, this is just a 100 # check to see if the course directory exists. 101 my $courseDir = $ce->{webworkDirs}->{courses} . "/$course"; 102 unless (-e $courseDir) { 103 die "Course directory for $course ($courseDir) not found. Perhaps the course does not exist?"; 104 } 105 106 # Bring up a connection to the database (for Authen/Authz, and eventually 107 # to be passed to content generators, when we clean this file up). 108 my $db = WeBWorK::DB->new($ce); 109 110 ### Begin dispatching ### 111 112 #my $dispatchTimer = WeBWorK::Timing->new(__PACKAGE__."::dispatch"); 113 #$dispatchTimer->start; 114 115 my $result; 116 # WeBWorK::Authen::verify erases the passwd field and sets the key field 117 # if login is successful. 118 if (!WeBWorK::Authen->new($r, $ce, $db)->verify) { 119 $result = WeBWorK::ContentGenerator::Login->new($r, $ce, $db)->go; 120 } else { 121 # After we are authenticated, there are some things that need to be 122 # sorted out, Authorization-wize, before we start dispatching to individual 123 # content generators. 124 my $user = $r->param("user"); 125 my $effectiveUser = $r->param("effectiveUser") || $user; 126 my $su_authorized = WeBWorK::Authz->new($r, $ce, $db)->hasPermissions($user, "become_student", $effectiveUser); 127 $effectiveUser = $user unless $su_authorized; 128 $r->param("effectiveUser", $effectiveUser); 129 130 my $arg = shift @components; 131 if (!defined $arg) { # We want the list of problem sets 132 $result = WeBWorK::ContentGenerator::ProblemSets->new($r, $ce, $db)->go; 133 } elsif ($arg eq "hardcopy") { 134 135 my $hardcopyArgument = shift @components; 136 $hardcopyArgument = "" unless defined $hardcopyArgument; 137 $WeBWorK::timer1 = WeBWorK::Timing->new("hardcopy: $hardcopyArgument"); 138 $WeBWorK::timer1->start; 139 140 my $result = WeBWorK::ContentGenerator::Hardcopy->new($r, $ce, $db)->go($hardcopyArgument); 141 $WeBWorK::timer1 ->stop; 142 $WeBWorK::timer1 ->save; 143 return $result; 144 } elsif ($arg eq "instructor") { 145 my $instructorArgument = shift @components; 146 if (!defined $instructorArgument) { 147 $result = WeBWorK::ContentGenerator::Instructor::Index->new($r, $ce, $db)->go; 148 } elsif ($instructorArgument eq "scoring") { 149 $result = WeBWorK::ContentGenerator::Instructor::Scoring->new($r, $ce, $db)->go; #FIXME!!!! 150 } elsif ($instructorArgument eq "scoringDownload") { 151 $result = WeBWorK::ContentGenerator::Instructor::ScoringDownload->new($r, $ce, $db)->go; 152 } elsif ($instructorArgument eq "scoring_totals") { 153 $result = WeBWorK::ContentGenerator::Instructor::ScoringTotals->new($r, $ce, $db)->go; 154 } elsif ($instructorArgument eq "users") { 155 $result = WeBWorK::ContentGenerator::Instructor::UserList->new($r, $ce, $db)->go; 156 } elsif ($instructorArgument eq "sets") { 157 my $setID = shift @components; 158 if (defined $setID) { 159 my $setArg = shift @components; 160 if (!defined $setArg) { 161 $result = WeBWorK::ContentGenerator::Instructor::ProblemSetEditor->new($r, $ce, $db)->go($setID); 162 } elsif ($setArg eq "problems") { 163 $result = WeBWorK::ContentGenerator::Instructor::ProblemList->new($r, $ce, $db)->go($setID); 164 } elsif ($setArg eq "users") { 165 $result = WeBWorK::ContentGenerator::Instructor::Assigner->new($r, $ce, $db)->go($setID); 166 } 167 } else { 168 $result = WeBWorK::ContentGenerator::Instructor::ProblemSetList->new($r, $ce, $db)->go; 169 } 170 } elsif ($instructorArgument eq "pgProblemEditor") { 171 $result = WeBWorK::ContentGenerator::Instructor::PGProblemEditor->new($r, $ce, $db)->go(@components); 172 } elsif ($instructorArgument eq "send_mail") { 173 $result = WeBWorK::ContentGenerator::Instructor::SendMail->new($r, $ce, $db)->go(@components); 174 } elsif ($instructorArgument eq "show_answers") { 175 $result = WeBWorK::ContentGenerator::Instructor::ShowAnswers->new($r, $ce, $db)->go(@components); 176 } elsif ($instructorArgument eq "stats") { 177 $result = WeBWorK::ContentGenerator::Instructor::Stats->new($r, $ce, $db)->go(@components); 178 } 179 } elsif ($arg eq "options") { 180 $result = WeBWorK::ContentGenerator::Options->new($r, $ce, $db)->go; 181 } elsif ($arg eq "feedback") { 182 $result = WeBWorK::ContentGenerator::Feedback->new($r, $ce, $db)->go; 183 } elsif ($arg eq "logout") { 184 $result = WeBWorK::ContentGenerator::Logout->new($r, $ce, $db)->go; 185 } elsif ($arg eq "test") { 186 $result = WeBWorK::ContentGenerator::Test->new($r, $ce, $db)->go; 187 } elsif ($arg eq "quiz_mode" ) { 188 # Gateway quiz capability -- very similar to problem set (initially) 189 $result = WeBWorK::ContentGenerator::GatewayQuiz->new($r, $ce, $db)->go(@components); 190 } else { # We've got the name of a problem set. 191 my $problem_set = $arg; 192 my $ps_arg = shift @components; 193 194 if (!defined $ps_arg) { 195 # list the problems in the problem set 196 $WeBWorK::timer0 = WeBWorK::Timing->new("Problem $course:$problem_set"); 197 $WeBWorK::timer0->start; 198 $result = WeBWorK::ContentGenerator::ProblemSet->new($r, $ce, $db)->go($problem_set); 199 $WeBWorK::timer0->continue("problem set listing is done"); 200 $WeBWorK::timer0->stop; 201 $WeBWorK::timer0->save; 202 } else { 203 # We've got the name of a problem 204 my $problem = $ps_arg; 205 206 $WeBWorK::timer0 = WeBWorK::Timing->new("Problem $course:$problem_set/$problem"); 207 $WeBWorK::timer0->start; 208 # my $pid = fork(); 209 # if ($pid) { 210 # wait; 211 # } else { 212 my $result = WeBWorK::ContentGenerator::Problem->new($r, $ce, $db)->go($problem_set, $problem); 213 # $WeBWorK::timer0->continue("Exiting child process"); 214 # #$WeBWorK::timer0->stop; 215 # #$WeBWorK::timer0->save; 216 # eval{ APACHE::exit(0);} || warn "Error in leaving child |$@|"; 217 # # We REALLY REALLY want this grandchild to exit. But not the child. How to do this 218 # # cleanly???? FIXME 219 # } 220 $WeBWorK::timer0->continue("Problem done)"); 221 $WeBWorK::timer0->stop; 222 $WeBWorK::timer0->save; 223 return $result; 224 225 226 } 227 } 228 } 229 230 #$dispatchTimer->stop; 231 232 return $result; 233 } 234 235 1;
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