use LWP::UserAgent;
use DB_File;
-my $cont = "";
+#CSC: mancano i controlli sulle condizioni di errore di molte funzioni
+#CSC: ==> non e' robusto
+#CSC: altra roba da sistemare segnata con CSC
+
my $d = new HTTP::Daemon LocalPort => 8081;
tie(%map, 'DB_File', $uris_dbm.".db", O_RDONLY, 0664);
print "Please contact me at: <URL:", $d->url, ">\n";
while (my $r = $c->get_request) {
#CSC: mancano i controlli di sicurezza
- $cont = "";
- my $cicuri = $r->url;
- $cicuri =~ s/^[^?]*\?url=(.*)/$1/;
- print "*".$r->url."\n";
+ my $inputuri = $r->url;
+ $inputuri =~ s/^[^?]*\?uri=(.*)/$1/;
+ print "\nRequest: ".$r->url."\n\n";
my $http_method = $r->method;
my $http_path = $r->url->path;
- if ($http_method eq 'GET' and $http_path eq "/get") {
- my $filename = $cicuri;
- $filename =~ s/cic:(.*)/$1/;
- $filename =~ s/theory:(.*)/$1/;
- $filename = $helm_dir.$filename.".xml";
- my $resolved = $map{$cicuri};
- print "$cicuri ==> $resolved ($filename)\n";
- if (stat($filename)) {
- print "Using local copy\n";
- open(FD, $filename);
- while(<FD>) { $cont .= $_; }
- close(FD);
- my $res = new HTTP::Response;
- $res->content($cont);
- $c->send_response($res);
- } else {
- print "Downloading\n";
- $ua = LWP::UserAgent->new;
- $request = HTTP::Request->new(GET => "$resolved");
- $response = $ua->request($request, \&callback);
-
- print "Storing file\n";
- mkdirs($filename);
- open(FD, ">".$filename);
- print FD $cont;
- close(FD);
- my $res = new HTTP::Response;
- $res->content($cont);
- $c->send_response($res);
- }
- } elsif ($http_method eq 'GET' and $http_path eq "/annotate") {
- my $do_annotate = ($cicuri =~ /\.ann$/);
- my $target_to_annotate = $cicuri;
- $target_to_annotate =~ s/(.*)\.ann$/$1/ if $do_annotate;
- my $filename = $cicuri;
- $filename =~ s/cic:(.*)/$1/;
- $filename =~ s/theory:(.*)/$1/;
- my $filename_target = $helm_dir.$filename if $do_annotate;
- $filename = $helm_dir.$filename.".xml";
- $filename_target =~ s/(.*)\.ann$/$1.xml/ if $do_annotate;
- my $resolved = $map{$cicuri};
- my $resolved_target = $map{$target_to_annotate} if $do_annotate;
- if ($do_annotate) {
- print "($cicuri, $target_to_annotate) ==> ($resolved + $resolved_target) ($filename)\n";
- } else {
- print "$cicuri ==> $resolved ($filename)\n";
- }
-
- # Retrieves the annotation
-
- if (stat($filename)) {
- print "Using local copy for the annotation\n";
- open(FD, $filename);
- while(<FD>) { $cont .= $_; }
- close(FD);
- } else {
- print "Downloading the annotation\n";
- $ua = LWP::UserAgent->new;
- $request = HTTP::Request->new(GET => "$resolved");
- $response = $ua->request($request, \&callback);
-
- print "Storing file for the annotation\n";
- mkdirs($filename);
- open(FD, ">".$filename);
- print FD $cont;
- close(FD);
- }
- my $annotation = $cont;
+ if ($http_method eq 'GET' and $http_path eq "/getciconly") {
+ # finds the uri, url and filename
+ my $cicuri = $inputuri;
- # Retrieves the target to annotate
+ my $cicfilename = $cicuri;
+ $cicfilename =~ s/cic:(.*)/$1/;
+ $cicfilename =~ s/theory:(.*)/$1/;
+ $cicfilename = $helm_dir.$cicfilename.".xml";
- $cont = "";
- if ($do_annotate) {
- if (stat($filename_target)) {
- print "Using local copy for the file to annotate\n";
- open(FD, $filename_target);
- while(<FD>) { $cont .= $_; }
- close(FD);
- } else {
- print "Downloading the file to annotate\n";
- $ua = LWP::UserAgent->new;
- $request = HTTP::Request->new(GET => "$resolved_target");
- $response = $ua->request($request, \&callback);
-
- print "Storing file for the file to annotate\n";
- mkdirs($filename_target);
- open(FD, ">".$filename_target);
- print FD $cont;
- close(FD);
- }
- }
- my $target = $cont;
+ my $cicurl = $map{$cicuri};
- # Merging the annotation and the target
+ print_request("cic",$cicuri,$cicurl,$cicfilename);
- $target =~ s/<\?xml [^?]*\?>//sg;
- $target =~ s/<!DOCTYPE [^>]*>//sg;
- $annotation =~ s/<\?xml [^?]*\?>//sg;
- $annotation =~ s/<!DOCTYPE [^>]*>//sg;
- my $merged = <<EOT;
-<?xml version="1.0" encoding="UTF-8"?>
-<cicxml uri="$target_to_annotate">
-$target
-$annotation
-</cicxml>
-EOT
+ # Retrieves the file
+ my $ciccontent = download(0,"cic",$cicurl,$cicfilename);
# Answering the client
-
- my $res = new HTTP::Response;
- $res->content($merged);
- $c->send_response($res);
- } elsif ($http_method eq 'GET' and $http_path eq "/getwithtypes") {
- my $mode;
- my $do_annotate;
- if ($cicuri =~ /\.types$/) {
- $do_annotate = 1;
- $mode = "types";
- } elsif ($cicuri =~ /\.ann$/) {
- $do_annotate = 1;
- $mode = "ann";
+ answer($c,$ciccontent);
+ } elsif ($http_method eq 'GET' and $http_path eq "/get") {
+ # finds the uris, urls and filenames
+ my $cicuri = $inputuri,
+ $typesuri = $inputuri,
+ $annuri = $inputuri;
+ my $annsuffix;
+ if ($inputuri =~ /\.types$/) {
+ $cicuri =~ s/(.*)\.types$/$1/;
+ undef($annuri);
+ } elsif ($inputuri =~ /\.types\.ann$/) {
+ $cicuri =~ s/(.*)\.types\.ann$/$1/;
+ $typesuri =~ s/(.*)\.ann$/$1/;
+ $annsuffix = ".types.ann";
+ } elsif ($inputuri =~ /\.ann$/) {
+ $cicuri =~ s/(.*)\.ann$/$1/;
+ undef($typesuri);
+ $annsuffix = ".ann";
} else {
- $do_annotate = 0;
- }
- my $target_to_annotate = $cicuri;
- if ($mode eq "types") {
- $target_to_annotate =~ s/(.*)\.types$/$1/;
- } elsif ($mode eq "ann") {
- $target_to_annotate =~ s/(.*)\.ann$/$1/;
- }
- my $filename = $cicuri;
- $filename =~ s/cic:(.*)/$1/;
- $filename =~ s/theory:(.*)/$1/;
- my $filename_target = $helm_dir.$filename if $do_annotate;
- $filename = $helm_dir.$filename.".xml";
- if ($mode eq "types") {
- $filename_target =~ s/(.*)\.types$/$1.xml/;
- } elsif ($mode eq "ann") {
- $filename_target =~ s/(.*)\.ann$/$1.xml/;
- }
- my $resolved = $map{$cicuri};
- my $resolved_target = $map{$target_to_annotate} if $do_annotate;
- if ($do_annotate) {
- print "GETWITHTYPES!!\n" if ($mode eq "types");
- print "GETWITHANN!!\n" if ($mode eq "ann");
- print "($cicuri, $target_to_annotate) ==> ($resolved + $resolved_target) ($filename)\n";
- } else {
- print "$cicuri ==> $resolved ($filename)\n";
+ undef($typesuri);
+ undef($annuri);
}
- # Retrieves the annotation
+ my $cicfilename = $cicuri;
+ $cicfilename =~ s/cic:(.*)/$1/;
+ $cicfilename =~ s/theory:(.*)/$1/;
+ $cicfilename = $helm_dir.$cicfilename;
- if (stat($filename)) {
- print "Using local copy for the types\n" if ($mode eq "types");
- print "Using local copy for the ann\n" if ($mode eq "ann");
- open(FD, $filename);
- while(<FD>) { $cont .= $_; }
- close(FD);
- } else {
- print "Downloading the types\n" if ($mode eq "types");
- print "Downloading the ann\n" if ($mode eq "ann");
- $ua = LWP::UserAgent->new;
- $request = HTTP::Request->new(GET => "$resolved");
- $response = $ua->request($request, \&callback);
-
- print "Storing file for the types\n" if ($mode eq "types");
- print "Storing file for the ann\n" if ($mode eq "ann");
- mkdirs($filename);
- open(FD, ">".$filename);
- print FD $cont;
- close(FD);
- }
- my $annotation = $cont;
+ my $typesfilename = $cicfilename.".types.xml" if $typesuri;
+ my $annfilename = $cicfilename.$annsuffix.".xml" if $annuri;
+ $cicfilename .= ".xml";
- # Retrieves the target to annotate
+ my $cicurl = $map{$cicuri};
+ my $typesurl = $map{$typesuri} if $typesuri;
+ my $annurl = $map{$annuri} if $annuri;
- $cont = "";
- my $target;
- if ($do_annotate) {
- if (stat($filename_target)) {
- print "Using local copy for the file to type\n";
- open(FD, $filename_target);
- while(<FD>) { $cont .= $_; }
- close(FD);
- } else {
- print "Downloading the file to type\n";
- $ua = LWP::UserAgent->new;
- $request = HTTP::Request->new(GET => "$resolved_target");
- $response = $ua->request($request, \&callback);
-
- print "Storing file for the file to type\n";
- mkdirs($filename_target);
- open(FD, ">".$filename_target);
- print FD $cont;
- close(FD);
- }
- $target = $cont;
- } else {
- $target = $annotation;
- $annotation = "";
- }
+ print_request("cic",$cicuri,$cicurl,$cicfilename);
+ print_request("types",$typesuri,$typesurl,$typesfilename)
+ if ($typesuri);
+ print_request("ann",$annuri,$annurl,$annfilename)
+ if ($annuri);
- # Merging the annotation and the target
+ # Retrieves the files
+
+ my $ciccontent = download(1,"cic",$cicurl,$cicfilename);
+ my $typescontent =
+ download(1,"types",$typesurl,$typesfilename) if ($typesuri);
+ my $anncontent =
+ download(1,"ann",$annurl,$annfilename) if ($annuri);
+
+ # Merging the files together
- $target =~ s/<\?xml [^?]*\?>//sg;
- $target =~ s/<!DOCTYPE [^>]*>//sg;
- $annotation =~ s/<\?xml [^?]*\?>//sg;
- $annotation =~ s/<!DOCTYPE [^>]*>//sg;
- my $element, $endelement;
- if ($mode eq "types") {
- $element = "<ALLTYPES>";
- $endelement = "</ALLTYPES>";
- } elsif ($mode eq "ann") {
- $element = "";
- $endelement = "";
- }
my $merged = <<EOT;
<?xml version="1.0" encoding="UTF-8"?>
-<cicxml uri="$target_to_annotate">
-$target
-$element
-$annotation
-$endelement
+<cicxml uri="$cicuri">
+$ciccontent
+$typescontent
+$anncontent
</cicxml>
EOT
# Answering the client
-
- my $res = new HTTP::Response;
- $res->content($merged);
- $c->send_response($res);
+ answer($c,$merged);
} elsif ($http_method eq 'GET' and $http_path eq "/getdtd") {
- my $filename = $cicuri;
+ my $filename = $inputuri;
$filename = $dtd_dir."/".$filename;
- print "DTD: $cicuri ==> ($filename)\n";
+ print "DTD: $inputuri ==> ($filename)\n";
if (stat($filename)) {
print "Using local copy\n";
open(FD, $filename);
+ $cont = "";
while(<FD>) { $cont .= $_; }
close(FD);
- my $res = new HTTP::Response;
- $res->content($cont);
- $c->send_response($res);
+ answer($c,$cont);
} else {
die "Could not find DTD!";
}
$quoted_html_link =~ s/>/>/g;
$quoted_html_link =~ s/'/'/g;
$quoted_html_link =~ s/"/"/g;
- print "Configuration requested, returned #$quoted_html_link#\n";
+ print "\nConfiguration requested, returned #$quoted_html_link#\n";
$cont = "<?xml version=\"1.0\"?><html_link>$quoted_html_link</html_link>";
- my $res = new HTTP::Response;
- $res->content($cont);
- $c->send_response($res);
+ answer($c,$cont);
} else {
- print "INVALID REQUEST!!!!!\n";
+ print "\nINVALID REQUEST!!!!!\n";
$c->send_error(RC_FORBIDDEN)
}
+ print "\nRequest solved: ".$r->url."\n\n";
}
$c->close;
undef($c);
#================================
-sub callback
-{
- my ($data) = @_;
- $cont .= $data;
-}
-# Does not raise errors if could not create dirs/files
-
-# Too much powerful: creates even /home, /home/users/, ...
+#CSC: Too much powerful: creates even /home, /home/users/, ...
+#CSC: Does not raise errors if could not create dirs/files
sub mkdirs
{
my ($pathname) = @_;
my @dirs = split /\//,$pathname;
my $tmp;
foreach $dir (@dirs) {
- $tmp = ((defined($tmp)) ? $tmp = $tmp."\/".$dir : "");
+ $tmp = ((defined($tmp)) ? $tmp."\/".$dir : "");
mkdir($tmp,0777);
}
rmdir($tmp);
}
+
+sub print_request
+{
+ my ($str,$uri,$url,$filename) = @_;
+ print $str."uri: $uri\n";
+ print $str."url: $url\n";
+ print $str."filename: $filename\n\n";
+}
+
+sub callback
+{
+ my ($data) = @_;
+ $cont .= $data;
+}
+
+sub download
+{
+ my ($remove_headers,$str,$url,$filename) = @_;
+ $cont = ""; # modified by side-effect by the callback function
+ if (stat($filename)) {
+ print "Using local copy for the $str file\n";
+ open(FD, $filename);
+ while(<FD>) { $cont .= $_; }
+ close(FD);
+ } else {
+ print "Downloading the $str file\n";
+ $ua = LWP::UserAgent->new;
+ $request = HTTP::Request->new(GET => "$url");
+ $response = $ua->request($request, \&callback);
+
+ print "Storing the $str file\n";
+ mkdirs($filename);
+ open(FD, ">".$filename);
+ print FD $cont;
+ close(FD);
+ }
+ if ($remove_headers) {
+ $cont =~ s/<\?xml [^?]*\?>//sg;
+ $cont =~ s/<!DOCTYPE [^>]*>//sg;
+ }
+ return $cont;
+}
+
+sub answer
+{
+ my ($c,$cont) = @_;
+ my $res = new HTTP::Response;
+ $res->content($cont);
+ $c->send_response($res);
+}
projects / helm.git / commitdiff