ljr/livejournal/htdocs/misc/weblogs-change.bml

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2019-02-05 21:49:12 +00:00
<?_code
{
use strict;
use vars qw(%FORM);
return "no user" unless $FORM{'user'};
my $dbr = LJ::get_db_reader();
my $u = LJ::load_user($FORM{'user'});
return "no user" unless $u;
my $tu = $dbr->selectrow_array("SELECT timeupdate FROM userusage WHERE userid=?",
undef, $u->{'userid'});
# we have no _fucking_ clue how weblogs.com detects changes. god forbid
# it should be documented.
# here are some guesses, based on other people's half-educated guesses
# in mailing lists:
# attempt #1: (change HTTP last modified)
my $modtime = LJ::mysqldate_to_time($tu);
BML::want_last_modified(1);
BML::note_mod_time($modtime);
# attempt #2: (change the page text)
my $ret = "New post (not edit) at: $tu\n";
# attempt #3: (make the returned content differ by 50 bytes (!?!))
# waste 50b - 2.5k on bogus ex characters, modulus some seconds
$ret .= "Bogus chars to unconfuse weblogs.com:\n";
$ret .= "x" x ($modtime % 50 * 50);
return $ret;
}
_code?>