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# Gedafe, the Generic Database Frontend |
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# copyright (c) 2000-2003 ETH Zurich |
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# see http://isg.ee.ethz.ch/tools/gedafe/ |
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|
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# released under the GNU General Public License |
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|
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package Gedafe::Start; |
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use strict; |
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|
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use vars qw(@ISA @EXPORT); |
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require Exporter; |
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@ISA = qw(Exporter); |
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@EXPORT = qw(Start); |
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|
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use CGI 2.00 qw(-compile :cgi); |
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|
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use Gedafe::Auth qw(AuthConnect); |
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use Gedafe::Global qw(%g); |
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use Gedafe::GUI qw( |
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GUI_Entry |
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GUI_List |
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GUI_CheckFormID |
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GUI_PostEdit |
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GUI_Edit |
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GUI_Delete |
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GUI_Export |
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GUI_DumpTable |
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GUI_Pearl |
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); |
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use Gedafe::DB qw( |
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DB_GetBlobType |
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DB_GetBlobName |
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DB_DumpBlob |
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); |
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|
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use Gedafe::Util qw( |
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Die |
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MakeURL |
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MyURL |
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InitTemplate |
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Template |
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NextRefresh |
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InitPearls); |
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|
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sub Start(%) |
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{ |
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my %conf = @_; |
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|
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my $q = new CGI; |
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my $user = ''; |
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my $cookie; |
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|
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# %s is the session global state, so that we don't have |
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# to pass everything as single arguments to each sub |
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my %s = ( cgi => $q); |
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|
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# store the session state in the global state for the Die handler |
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# \%s should be passed normally as argument... |
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$g{s}=\%s; |
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|
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# install Gedafe's die handler |
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$SIG{__DIE__}=\&Die; #}} |
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if(defined $q->url_param('reload')) { |
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%g = (); |
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} |
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|
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# configuration |
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if(not exists $g{conf}) { |
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# defaults |
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$g{conf} = { |
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list_rows => 10, |
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tickets_socket => '/tmp/.gedafed.sock', |
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gedafe_compat => '1.2', |
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}; |
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|
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# init config |
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while(my ($k, $v) = each %conf) { |
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$g{conf}{$k}=$v; |
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} |
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|
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# test mandatory arguments |
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my @mandatory = ('templates', 'db_datasource'); |
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for my $m (@mandatory) { |
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defined $g{conf}{$m} or |
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die "ERROR: '$m' named argument must be defined in Start.\n"; |
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} |
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} |
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|
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|
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$s{url} = MyURL($q); |
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$q->url(-absolute=>1) =~ /(.*)\/([^\/]*)/; |
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$s{path} = $1; $s{script} = $2; |
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$s{ticket_name} = "Ticket_$2"; $s{ticket_name} =~ s/\./_/g; |
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|
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my $expires = defined $q->url_param('refresh') ? '+5m' : '-1d'; |
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|
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InitTemplate("$g{conf}{templates}",".html"); |
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|
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InitPearls($g{conf}{pearl_dir}) if defined $g{conf}{pearl_dir}; |
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|
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if(defined $q->url_param('reload')) { |
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my $next_refresh=NextRefresh(); |
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print $q->header(-expires=>'-1d'); |
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print Template({ |
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PAGE => 'reload', |
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ELEMENT => 'reload', |
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THISURL => MyURL($q), |
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NEXTURL => MakeURL(MyURL($q), { reload=>'', refresh=>$next_refresh }), |
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}); |
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exit; |
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} |
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|
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GUI_CheckFormID(\%s, $user); |
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|
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my $ticket_value; |
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my $dbh = AuthConnect(\%s, \$user, \$cookie,\$ticket_value) or do { |
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die "Couldn't connect to database or database error"; |
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}; |
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|
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$s{dbh}=$dbh; |
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$s{user}=$user; |
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$s{ticket_value}=$ticket_value; |
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# print STDERR "TicketValue: $ticket_value\n"; |
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|
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my $action = $q->url_param('action') || ''; |
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if($action eq 'edit' or $action eq 'add' or $action eq 'delete') { |
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# cache forms... |
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$expires = '+1d'; |
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} |
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if($q->request_method() eq 'POST') { |
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# do not cache POST requests, so that for "Duplicate Form" is |
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# shown if needed... |
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$expires = '-1d'; |
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} |
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|
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if($action eq 'export') { |
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my $table = $q->url_param('table'); |
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GUI_Export(\%s, $user, $dbh); |
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exit; |
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} |
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|
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my %headers =(-expires=>$expires); |
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|
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if($cookie) { |
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$headers{-cookie} = $cookie; |
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} |
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|
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if($action eq 'dumpblob'){ |
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my $table = $q->param('table'); |
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my $id = $q->param('id'); |
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my $field = $q->param('field'); |
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my $type = DB_GetBlobType($dbh,$table,$field,$id); |
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my $name = DB_GetBlobName($dbh,$table,$field,$id); |
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$headers{-type}=$type; |
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$headers{-attachment}=$name; |
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} |
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if($action eq 'dumptable') { |
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$headers{-type}='text/plain'; |
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} |
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|
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if ($action eq 'runpearl') { |
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my $pearl = $q->url_param('pearl'); |
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Die "No Pearl named $pearl available" unless |
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defined $g{pearls}{$pearl} and ref $g{pearls}{$pearl}; |
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my($h,$b) =$g{pearls}{$pearl}->run(\%s); |
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die "Sorry. The Pearl '$pearl' did not return any data.". |
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"<br>You can use the BACK button!\n" |
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if $b =~ /^\s*$/; |
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$headers{-type}=$h; |
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$headers{-length} = length $b; |
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print $q->header(%headers); |
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print $b; |
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$dbh->disconnect; |
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return; |
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} |
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|
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|
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print $q->header(%headers); |
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$s{http_header_sent}=1; |
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|
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GUI_PostEdit(\%s, $user, $dbh); |
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|
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if($action eq 'list' or $action eq 'listrep') { |
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GUI_List(\%s, $user, $dbh); |
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} |
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elsif($action eq 'edit' or $action eq 'add' or $action eq 'reedit') { |
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GUI_Edit(\%s, $user, $dbh); |
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} |
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elsif($action eq 'configpearl') { |
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GUI_Pearl(\%s); |
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} |
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elsif($action eq 'delete') { |
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GUI_Delete(\%s, $user, $dbh); |
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} |
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elsif($action eq 'dumpblob'){ |
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my $table = $q->param('table'); |
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my $id = $q->param('id'); |
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my $field = $q->param('field'); |
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DB_DumpBlob($dbh,$table,$field,$id); |
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} |
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elsif($action eq 'dumptable'){ |
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my $table = $q->url_param('table'); |
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GUI_DumpTable(\%s, $user, $dbh); |
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} |
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else { |
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GUI_Entry(\%s, $user, $dbh); |
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} |
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|
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$dbh->disconnect; |
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} |
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|
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|
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1; |
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|
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# Emacs Configuration |
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# |
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# Local Variables: |
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# mode: cperl |
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# eval: (cperl-set-style "BSD") |
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# cperl-indent-level: 8 |
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# mode: flyspell |
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# mode: flyspell-prog |
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# End: |
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# |
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