use DBD::Pg;
use Image::Magick;
use POSIX;
+use Digest::MD5;
use Digest::SHA1;
+use Digest::HMAC_SHA1;
use MIME::Base64;
use MIME::Types;
use LWP::Simple;
require Sesse::pr0n::Config_local;
};
- $VERSION = "v2.70";
+ $VERSION = "v2.71";
@ISA = qw(Exporter);
@EXPORT = qw(&error &dberror);
%EXPORT_TAGS = qw();
if (!defined($auth)) {
output_401($r);
return undef;
- }
+ }
if ($auth =~ /^Basic ([a-zA-Z0-9+\/]+=*)$/) {
return check_basic_auth($r, $1);
+ }
+ if ($auth =~ /^Digest (.*)$/) {
+ return check_digest_auth($r, $1);
}
output_401($r);
return undef;
}
sub output_401 {
- my $r = shift;
+ my ($r, %options) = @_;
$r->content_type('text/plain; charset=utf-8');
$r->status(401);
$r->headers_out->{'www-authenticate'} = 'Basic realm="pr0n.sesse.net"';
+
+ # Digest auth is disabled for now, due to various client problems.
+ if (0 && ($options{'DigestAuth'} // 1)) {
+ # We make our nonce similar to the scheme of RFC2069 section 2.1.1,
+ # with some changes: We don't care about client IP (these have a nasty
+ # tendency to change from request to request when load-balancing
+ # proxies etc. are being used), and we use HMAC instead of simple
+ # hashing simply because that's a better signing method.
+ #
+ # NOTE: For some weird reason, Digest::HMAC_SHA1 doesn't like taking
+ # the output from time directly (it gives a different response), so we
+ # forcefully stringify the argument.
+ my $ts = time;
+ my $nonce = Digest::HMAC_SHA1->hmac_sha1_hex($ts . "", $Sesse::pr0n::Config::db_password);
+ my $stale_nonce_text = "";
+ $stale_nonce_text = ", stale=\"true\"" if ($options{'StaleNonce'} // 0);
+
+ $r->headers_out->{'www-authenticate'} =
+ "Digest realm=\"pr0n.sesse.net\", " .
+ "nonce=\"$nonce\", " .
+ "opaque=\"$ts\", " .
+ "qop=\"auth\"" . $stale_nonce_text; # FIXME: support auth-int
+ }
+
$r->print("Need authorization\n");
}
sub check_basic_auth {
my ($r, $auth) = @_;
- my ($user, $pass) = split /:/, MIME::Base64::decode_base64($auth);
+ my ($raw_user, $pass) = split /:/, MIME::Base64::decode_base64($auth);
+ my ($user, $takenby) = extract_takenby($raw_user);
+
+ my $ref = $dbh->selectrow_hashref('SELECT sha1password,digest_ha1_hex FROM users WHERE username=? AND vhost=?',
+ undef, $user, $r->get_server_name);
+ if (!defined($ref) || $ref->{'sha1password'} ne Digest::SHA1::sha1_base64($pass)) {
+ $r->content_type('text/plain; charset=utf-8');
+ $r->log->warn("Authentication failed for $user/$takenby");
+ output_401($r);
+ return undef;
+ }
+ $r->log->info("Authentication succeeded for $user/$takenby");
+
+ # Make sure we can use Digest authentication in the future with this password.
+ my $ha1 = Digest::MD5::md5_hex($user . ':pr0n.sesse.net:' . $pass);
+ if (!defined($ref->{'digest_ha1_hex'}) || $ref->{'digest_ha1_hex'} ne $ha1) {
+ $dbh->do('UPDATE users SET digest_ha1_hex=? WHERE username=? AND vhost=?',
+ undef, $ha1, $user, $r->get_server_name)
+ or die "Couldn't update: " . $dbh->errstr;
+ $r->log->info("Updated Digest auth hash for for $user");
+ }
+
+ return ($user, $takenby);
+}
+
+sub check_digest_auth {
+ my ($r, $auth) = @_;
+
+ # We're a bit more liberal than RFC2069 in the parsing here, allowing
+ # quoted strings everywhere.
+ my %auth = ();
+ while ($auth =~ s/^ ([a-zA-Z]+) # key
+ =
+ (
+ [^",]* # either something that doesn't contain comma or quotes
+ |
+ " ( [^"\\] | \\ . ) * " # or a full quoted string
+ )
+ (?: (?: , \s* ) + | $ ) # delimiter(s), or end of string
+ //x) {
+ my ($key, $value) = ($1, $2);
+ if ($value =~ /^"(.*)"$/) {
+ $value = $1;
+ $value =~ s/\\(.)/$1/g;
+ }
+ $auth{$key} = $value;
+ }
+ unless (exists($auth{'username'}) &&
+ exists($auth{'uri'}) &&
+ exists($auth{'nonce'}) &&
+ exists($auth{'opaque'}) &&
+ exists($auth{'response'})) {
+ output_401($r);
+ return undef;
+ }
+ if ($r->uri ne $auth{'uri'}) {
+ output_401($r);
+ return undef;
+ }
+
+ # Verify that the opaque data does indeed look like a timestamp, and that the nonce
+ # is indeed a signed version of it.
+ if ($auth{'opaque'} !~ /^\d+$/) {
+ output_401($r);
+ return undef;
+ }
+ my $compare_nonce = Digest::HMAC_SHA1->hmac_sha1_hex($auth{'opaque'}, $Sesse::pr0n::Config::db_password);
+ if ($auth{'nonce'} ne $compare_nonce) {
+ output_401($r);
+ return undef;
+ }
+
+ # Now look up the user's HA1 from the database, and calculate HA2.
+ my ($user, $takenby) = extract_takenby($auth{'username'});
+ my $ref = $dbh->selectrow_hashref('SELECT digest_ha1_hex FROM users WHERE username=? AND vhost=?',
+ undef, $user, $r->get_server_name);
+ if (!defined($ref)) {
+ output_401($r);
+ return undef;
+ }
+ if (!defined($ref->{'digest_ha1_hex'}) || $ref->{'digest_ha1_hex'} !~ /^[0-9a-f]{32}$/) {
+ # A user that exists but has empty HA1 is a user that's not
+ # ready for digest auth, so we hack it and resend 401,
+ # only this time without digest auth.
+ output_401($r, DigestAuth => 0);
+ return undef;
+ }
+ my $ha1 = $ref->{'digest_ha1_hex'};
+ my $ha2 = Digest::MD5::md5_hex($r->method . ':' . $auth{'uri'});
+ my $response;
+ if (exists($auth{'qop'}) && $auth{'qop'} eq 'auth') {
+ unless (exists($auth{'nc'}) && exists($auth{'cnonce'})) {
+ output_401($r);
+ return undef;
+ }
+
+ $response = $ha1;
+ $response .= ':' . $auth{'nonce'};
+ $response .= ':' . $auth{'nc'};
+ $response .= ':' . $auth{'cnonce'};
+ $response .= ':' . $auth{'qop'};
+ $response .= ':' . $ha2;
+ } else {
+ $response = $ha1;
+ $response .= ':' . $auth{'nonce'};
+ $response .= ':' . $ha2;
+ }
+ if ($auth{'response'} ne Digest::MD5::md5_hex($response)) {
+ output_401($r);
+ return undef;
+ }
+
+ # OK, everything is good, and there's only one thing we need to check: That the nonce
+ # isn't too old. If it is, but everything else is ok, we tell the browser that and it
+ # will re-encrypt with the new nonce.
+ my $timediff = time - $auth{'opaque'};
+ if ($timediff < 0 || $timediff > 300) {
+ output_401($r, StaleNonce => 1);
+ return undef;
+ }
+
+ return ($user, $takenby);
+}
+
+sub extract_takenby {
+ my ($user) = shift;
# WinXP is stupid :-)
if ($user =~ /^.*\\(.*)$/) {
} else {
($takenby = $user) =~ s/^([a-zA-Z])/uc($1)/e;
}
-
- my $oldpass = $pass;
- $pass = Digest::SHA1::sha1_base64($pass);
- my $ref = $dbh->selectrow_hashref('SELECT count(*) AS auth FROM users WHERE username=? AND sha1password=? AND vhost=?',
- undef, $user, $pass, $r->get_server_name);
- if ($ref->{'auth'} != 1) {
- $r->content_type('text/plain; charset=utf-8');
- $r->log->warn("Authentication failed for $user/$takenby");
- output_401($r);
- return undef;
- }
-
- $r->log->info("Authentication succeeded for $user/$takenby");
return ($user, $takenby);
}
# If we use ->[0] unconditionally, text rendering (!) seems to crash
my $img;
- if (ref($magick)) {
+ if (ref($magick) !~ /Image::Magick/) {
$img = $magick;
} else {
$img = (scalar @$magick > 1) ? $magick->[0] : $magick;
my $fname = get_disk_location($r, $id);
if ($infobox ne 'box') {
- unless (defined($xres) && (!defined($dbwidth) || !defined($dbheight) || $xres < $dbheight || $yres < $dbwidth || $xres == -1)) {
+ unless (defined($xres) && (!defined($dbwidth) || !defined($dbheight) || $xres < $dbwidth || $yres < $dbheight || $xres == -1)) {
return ($fname, undef);
}
}
my $height = $img->Get('rows');
my ($nwidth, $nheight) = scale_aspect($width, $height, $xres, $yres);
- # Use lanczos (sharper) for heavy scaling, mitchell (faster) otherwise
- my $filter = 'Mitchell';
- my $quality = 90;
- my $sf = undef;
-
- if ($width / $nwidth > 8.0 || $height / $nheight > 8.0) {
- $filter = 'Lanczos';
- $quality = 85;
- $sf = "1x1";
- }
+ my $filter = 'Lanczos';
+ my $quality = 87;
+ my $sf = "1x1";
if ($xres != -1) {
$cimg->Resize(width=>$nwidth, height=>$nheight, filter=>$filter, 'sampling-factor'=>$sf);
# fields"; note the comma separation. Every field has an associated "bold flag"
# in the second part.
- my $shutter_priority = (defined($info->{'ExposureProgram'}) &&
+ my $manual_shutter = (defined($info->{'ExposureProgram'}) &&
$info->{'ExposureProgram'} =~ /shutter\b.*\bpriority/i);
- my $aperture_priority = (defined($info->{'ExposureProgram'}) &&
+ my $manual_aperture = (defined($info->{'ExposureProgram'}) &&
$info->{'ExposureProgram'} =~ /aperture\b.*\bpriority/i);
+ if ($info->{'ExposureProgram'} =~ /manual/i) {
+ $manual_shutter = 1;
+ $manual_aperture = 1;
+ }
my @classic_fields = ();
if (defined($info->{'FocalLength'}) && $info->{'FocalLength'} =~ /^(\d+)(?:\.\d+)?\s*(?:mm)?$/) {
if (defined($info->{'ExposureTime'}) && $info->{'ExposureTime'} =~ /^(\d+)\/(\d+)$/) {
my ($a, $b) = ($1, $2);
my $gcd = gcd($a, $b);
- push @classic_fields, [ $a/$gcd . "/" . $b/$gcd . "s", $shutter_priority ];
- } elsif (defined($info->{'ExposureTime'}) && $info->{'ExposureTime'} =~ /^(\d+(?:\.\d+))$/) {
- push @classic_fields, [ $1 . "s", $shutter_priority ];
+ push @classic_fields, [ $a/$gcd . "/" . $b/$gcd . "s", $manual_shutter ];
+ } elsif (defined($info->{'ExposureTime'}) && $info->{'ExposureTime'} =~ /^(\d+(?:\.\d+)?)$/) {
+ push @classic_fields, [ $1 . "s", $manual_shutter ];
}
if (defined($info->{'FNumber'}) && $info->{'FNumber'} =~ /^(\d+)\/(\d+)$/) {
my $f = $1/$2;
if ($f >= 10) {
- push @classic_fields, [ (sprintf "f/%.0f", $f), $aperture_priority ];
+ push @classic_fields, [ (sprintf "f/%.0f", $f), $manual_aperture ];
} else {
- push @classic_fields, [ (sprintf "f/%.1f", $f), $aperture_priority ];
+ push @classic_fields, [ (sprintf "f/%.1f", $f), $manual_aperture ];
}
} elsif (defined($info->{'FNumber'}) && $info->{'FNumber'} =~ /^(\d+)\.(\d+)$/) {
my $f = $info->{'FNumber'};
if ($f >= 10) {
- push @classic_fields, [ (sprintf "f/%.0f", $f), $aperture_priority ];
+ push @classic_fields, [ (sprintf "f/%.0f", $f), $manual_aperture ];
} else {
- push @classic_fields, [ (sprintf "f/%.1f", $f), $aperture_priority ];
+ push @classic_fields, [ (sprintf "f/%.1f", $f), $manual_aperture ];
}
}
if (defined($info->{'ExposureBiasValue'}) && $info->{'ExposureBiasValue'} ne "0") {
push @classic_fields, [ $info->{'ExposureBiasValue'} . " EV", 0 ];
- } elsif (defined($info->{'ExposureCompensation'}) && $info->{'ExposureCompensation'} != 0) {
+ } elsif (defined($info->{'ExposureCompensation'}) && $info->{'ExposureCompensation'} ne "0") {
push @classic_fields, [ $info->{'ExposureCompensation'} . " EV", 0 ];
}
push @ret, "/$event/$1x$2/$filename";
} elsif ($fname =~ /^$id-(\d+)-(\d+)-nobox\.jpg$/) {
push @ret, "/$event/$1x$2/nobox/$filename";
+ } elsif ($fname =~ /^$id--1--1-box\.png$/) {
+ push @ret, "/$event/box/$filename";
} elsif ($fname =~ /^$id-(\d+)-(\d+)-box\.png$/) {
push @ret, "/$event/$1x$2/box/$filename";
} else {
- $r->log->warning("Couldn't find a purging URL for $fname");
+ $r->log->warn("Couldn't find a purging URL for $fname");
}
}
projects / pr0n / blobdiff