Detect a few more inconsistencies

[ypp-sc-tools.web-live.git] / pctb / commod-update-receiver

diff --git a/pctb/commod-update-receiver b/pctb/commod-update-receiver
index 531ff1a2e5ac05e17f7bff891ddc07c7f416d08d..7814de8afb7dd4696c525bbd5354ce401256bdfd 100755 (executable)
--- a/pctb/commod-update-receiver
+++ b/pctb/commod-update-receiver
@@ -32,15 +32,141 @@
 #  clientname                  "ypp-sc-tools"
 #  clientversion               2.1-g2e06a26  [from git-describe --tags HEAD]
 #  clientfixes                 "lastpage"  [space separated list]
-#  deduped.tsv.gz              output of ypp-commodities --tsv
+#  data filename=deduped.tsv.gz        output of ypp-commodities --tsv
+
 
 use strict (qw(vars));
 use POSIX;
+use MIME::Entity;
+
+use Commods;
 
 $CGI::POST_MAX= 3*1024*1024;
-$CGI::DISABLE_UPLOADS= 1;
 
 use CGI qw/:standard -private_tempfiles/;
 
 setlocale(LC_CTYPE, "en_GB.UTF-8");
 
+my $re_any= "^(.*)\$";
+
+parse_masters();
+
+sub fail ($) {
+    my ($msg) = @_;
+    print header(-status=>'400 Bad commodity update',
+                -type=>'text/plain',
+                -charset=>'us-ascii');
+    print "Error: $msg\n";
+    exit 0;
+}
+
+sub must_param ($$) {
+    my ($n,$re)= @_;
+    my $v= param($n);
+    fail("missing form parameter $n") unless defined $v;
+    fail("invalid form parameter $n ($re)") unless $v =~ m/$re/;
+    return $1;
+}
+
+my %o;
+
+$o{'clientname'}= must_param('clientname',$re_any);
+my $clientinfo= $clients{$o{'clientname'}};
+fail('unknown client') unless defined $clientinfo;
+
+my $clientfixes= must_param('clientfixes', "^([-0-9a-z ]*)\$");
+my @clientfixes= sort grep { m/./ } split /\s+/, $clientfixes;
+$o{'clientfixes'}= "@clientfixes";
+foreach my $bug (@$clientinfo) {
+    fail("client out of date - missing bugfix \`$bug'")
+       unless grep { $_ eq $bug } @clientfixes;
+}
+
+$o{'clientversion'}= must_param('clientversion', "^(\\d[-+._0-9a-zA-Z]+)\$");
+
+$o{'ocean'}= must_param('ocean', $re_any);
+$o{'island'}= must_param('island', $re_any);
+
+my $arches= $oceans{$o{'ocean'}};
+fail("unknown ocean") unless $arches;
+
+my $island_found= 0;
+foreach my $islands (values %$arches) {
+    my $sources= $islands->{$o{'island'}};
+    next unless $sources;
+    die if $island_found;
+    $island_found= $sources;
+}
+fail("unknown island") unless $island_found;
+
+$o{'timestamp'}= must_param('timestamp', "^([1-9]\\d{1,20})\$");
+my $now= time;  defined $now or die $!;
+fail("clock skew") if $o{'timestamp'} >= $now;
+
+my $indatafh= upload('data');
+defined $indatafh or fail("data is not a file");
+my $datafile= must_param('data',"^(deduped\\.tsv\\.gz)\$");
+
+my $mcontent= MIME::Entity->build(To => 'yarrg-commod-updates',
+                                 Type => 'multipart/mixed',
+                                 Boundary => '=',
+                                 Charset => 'utf-8');
+
+get_our_version(\%o, 'server');
+foreach my $cs (qw(client server)) {
+    $o{"${cs}spec"}= join "\t", map { $o{$cs.$_} } qw(name version fixes);
+}
+
+my $metadata= '';
+
+sub ksmap ($) {
+    my ($v) = @_;
+    my $i=0; grep { return $i if $_ eq $v; $i++ } qw(ocean island timestamp);
+    sprintf "z %d %s", (length $v) / 8, $v;
+}
+
+foreach my $vn (sort { ksmap($a) cmp ksmap($b) } keys %o) {
+    my $val= $o{$vn};
+    die if $val =~ m/\n|\r/;
+    $metadata .= "$vn\t$o{$vn}\n";
+}
+
+my $mdpart= MIME::Entity->build(Top => 0,
+                               Type => 'text/plain',
+                               Charset => 'utf-8',
+                               Disposition => 'inline',
+                               Encoding => 'quoted-printable',
+                               Filename => 'metadata',
+                               Data => $metadata);
+$mcontent->add_part($mdpart);
+
+my $gunzchild= open(GZ, "-|"); defined $gunzchild or die $!;
+if (!$gunzchild) {
+    open STDIN, "<&=", $indatafh or die $!;
+    exec 'gunzip'; die $!;
+}
+
+while (<GZ>) {
+    check_tsv_line($_,\&fail);
+}
+GZ->error and die $!;
+$?=0; close GZ; $? and fail("gunzip for check failed code $?");
+
+my $mdatafile= MIME::Entity->build(Top => 0,
+                                  Type => 'application/octet-stream',
+                                  Disposition => 'attachment',
+                                  Encoding => 'base64',
+                                  Filename => 'deduped.tsv.gz',
+                                  Path => $datafile);
+$mcontent->add_part($mdatafile);
+
+open M, "|/usr/sbin/sendmail -t -oi -oee -odb"
+    or fail("fork sendmail failed! ($!)");
+$mcontent->print(\*M);
+
+M->error and fail("write sendmail failed! ($!)");
+$?=0; close M; $? and fail("sendmail failed code $?");
+
+print header(-type=>'text/plain', -charset=>'us-ascii'),
+      "OK\n"
+    or die $!;