www: avoid potential auto-vivification on ibx->{url}

[public-inbox.git] / lib / PublicInbox / Inbox.pm

diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index bee44f8a92e7ae8861b01064ff10831605b51a1f..b0bb9dcc288daa328cfd44da340d4ae74a274a2b 100644 (file)
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -8,6 +8,7 @@ use PublicInbox::Git;
 use PublicInbox::MID qw(mid2path);
 use PublicInbox::Eml;
 use List::Util qw(max);
+use Carp qw(croak);
 
 # Long-running "git-cat-file --batch" processes won't notice
 # unlinked packs, so we need to restart those processes occasionally.
@@ -168,8 +169,8 @@ sub max_git_epoch {
 }
 
 sub mm {
-       my ($self) = @_;
-       $self->{mm} ||= eval {
+       my ($self, $req) = @_;
+       $self->{mm} //= eval {
                require PublicInbox::Msgmap;
                my $dir = $self->{inboxdir};
                if ($self->version >= 2) {
@@ -177,7 +178,7 @@ sub mm {
                } else {
                        PublicInbox::Msgmap->new($dir);
                }
-       };
+       } // ($req ? croak("E: $@") : undef);
 }
 
 sub search {
@@ -195,19 +196,19 @@ sub search {
 sub isrch { $_[0]->{isrch} // search($_[0]) }
 
 sub over {
-       $_[0]->{over} //= eval {
-               my $srch = $_[0]->{search} //= eval {
-                       _cleanup_later($_[0]);
+       my ($self, $req) = @_;
+       $self->{over} //= eval {
+               my $srch = $self->{search} //= do {
+                       _cleanup_later($self);
                        require PublicInbox::Search;
-                       PublicInbox::Search->new($_[0]);
+                       PublicInbox::Search->new($self);
                };
                my $over = PublicInbox::Over->new("$srch->{xpfx}/over.sqlite3");
                $over->dbh; # may fail
                $over;
-       };
+       } // ($req ? croak("E: $@") : undef);
 }
 
-
 sub try_cat {
        my ($path) = @_;
        open(my $fh, '<', $path) or return '';
@@ -241,7 +242,7 @@ sub cloneurl {
 
 sub base_url {
        my ($self, $env) = @_; # env - PSGI env
-       if ($env) {
+       if ($env && $env->{'psgi.url_scheme'}) {
                my $url = PublicInbox::Git::host_prefix_url($env, '');
                # for mount in Plack::Builder
                $url .= '/' if $url !~ m!/\z!;
@@ -249,7 +250,8 @@ sub base_url {
        }
        # called from a non-PSGI environment (e.g. NNTP/POP3):
        $self->{-base_url} ||= do {
-               my $url = $self->{url}->[0] or return undef;
+               my $url = $self->{url} // return undef;
+               $url = $url->[0] // return undef;
                # expand protocol-relative URLs to HTTPS if we're
                # not inside a web server
                $url = "https:$url" if $url =~ m!\A//!;
@@ -421,4 +423,16 @@ sub uidvalidity { $_[0]->{uidvalidity} //= eval { $_[0]->mm->created_at } }
 
 sub eidx_key { $_[0]->{newsgroup} // $_[0]->{inboxdir} }
 
+sub mailboxid { # rfc 8474, 8620, 8621
+       my ($self, $imap_slice) = @_;
+       my $pfx = defined($imap_slice) ? $self->{newsgroup} : $self->{name};
+       utf8::encode($pfx); # to octets
+       # RFC 8620, 1.2 recommends not starting with dash or digits
+       # "A good solution to these issues is to prefix every id with a single
+       #  alphabetical character."
+       'M'.join('', map { sprintf('%02x', ord) } split(//, $pfx)) .
+               (defined($imap_slice) ? sprintf('-%x', $imap_slice) : '') .
+               sprintf('-%x', uidvalidity($self) // 0)
+}
+
 1;