X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/1289beb53ba11693cba6d74c5a7da5c29e7cf7fa..47d179802d5f78365fa7077ae64de35f2892a1e4:/IkiWiki/Plugin/attachment.pm?ds=inline diff --git a/IkiWiki/Plugin/attachment.pm b/IkiWiki/Plugin/attachment.pm index c1d1d1c60..01d0d2478 100644 --- a/IkiWiki/Plugin/attachment.pm +++ b/IkiWiki/Plugin/attachment.pm @@ -20,7 +20,9 @@ sub formbuilder_setup (@) { #{{{ my $form=$params{form}; my $q=$params{cgi}; - if ($form->field("do") eq "edit") { + if (defined $form->field("do") && $form->field("do") eq "edit") { + # Add attachment field, set type to multipart. + $form->enctype(&CGI::MULTIPART); $form->field(name => 'attachment', type => 'file'); # These buttons are not put in the usual place, so # are not added to the normal formbuilder button list. @@ -34,7 +36,8 @@ sub formbuilder_setup (@) { #{{{ # Start with the attachments interface toggled invisible, # but if it was used, keep it open. if ($form->submitted ne "Upload Attachment" && - ! length $q->param("attachment_select")) { + (! defined $q->param("attachment_select") || + ! length $q->param("attachment_select"))) { $form->tmpl_param("attachments-class" => "toggleable"); } else { @@ -47,7 +50,13 @@ sub formbuilder_setup (@) { #{{{ $form->field(name => "allowed_attachments", size => 50, fieldset => "admin", - comment => "(".htmllink("", "", "ikiwiki/PageSpec", noimageinline => 1).")"); + comment => "(". + htmllink("", "", + "ikiwiki/PageSpec/attachment", + noimageinline => 1, + linktext => "Enhanced PageSpec", + ).")" + ); if (! IkiWiki::is_admin($user_name)) { $form->field(name => "allowed_attachments", type => "hidden"); } @@ -70,7 +79,7 @@ sub formbuilder (@) { #{{{ my $form=$params{form}; my $q=$params{cgi}; - return if $form->field("do") ne "edit"; + return if ! defined $form->field("do") || $form->field("do") ne "edit"; my $filename=$q->param('attachment'); if (defined $filename && length $filename && @@ -80,7 +89,19 @@ sub formbuilder (@) { #{{{ # This is an (apparently undocumented) way to get the name # of the temp file that CGI writes the upload to. my $tempfile=$q->tmpFileName($filename); - + if (! defined $tempfile || ! length $tempfile) { + # perl 5.8 needs an alternative, awful method + if ($q =~ /HASH/ && exists $q->{'.tmpfiles'}) { + foreach my $key (keys(%{$q->{'.tmpfiles'}})) { + $tempfile=$q->tmpFileName(\$key); + last if defined $tempfile && length $tempfile; + } + } + if (! defined $tempfile || ! length $tempfile) { + error("CGI::tmpFileName failed to return the uploaded file name"); + } + } + $filename=IkiWiki::titlepage( IkiWiki::possibly_foolish_untaint( attachment_location($form->field('page')). @@ -101,7 +122,10 @@ sub formbuilder (@) { #{{{ length $allowed_attachments) { $allowed=pagespec_match($filename, $allowed_attachments, - file => $tempfile); + file => $tempfile, + user => $session->param("name"), + ip => $ENV{REMOTE_ADDR}, + ); last if $allowed; } } @@ -123,7 +147,14 @@ sub formbuilder (@) { #{{{ else { my $fh=$q->upload('attachment'); if (! defined $fh || ! ref $fh) { - error("failed to get filehandle"); + # needed by old CGI versions + $fh=$q->param('attachment'); + if (! defined $fh || ! ref $fh) { + # even that doesn't always work, + # fall back to opening the tempfile + $fh=undef; + open($fh, "<", $tempfile) || error("failed to open \"$tempfile\": $!"); + } } binmode($fh); writefile($filename, $config{srcdir}, undef, 1, sub { @@ -295,6 +326,76 @@ sub match_minsize ($$;@) { #{{{ } } #}}} +sub match_mimetype ($$;@) { #{{{ + shift; + my $wanted=shift; + + my %params=@_; + if (! exists $params{file}) { + return IkiWiki::FailReason->new("no file specified"); + } + + # Use ::magic to get the mime type, the idea is to only trust + # data obtained by examining the actual file contents. + eval q{use File::MimeInfo::Magic}; + if ($@) { + return IkiWiki::FailReason->new("failed to load File::MimeInfo::Magic ($@); cannot check MIME type"); + } + my $mimetype=File::MimeInfo::Magic::magic($params{file}); + if (! defined $mimetype) { + $mimetype="unknown"; + } + + my $regexp=IkiWiki::glob2re($wanted); + if ($mimetype!~/^$regexp$/i) { + return IkiWiki::FailReason->new("file MIME type is $mimetype, not $wanted"); + } + else { + return IkiWiki::SuccessReason->new("file MIME type is $mimetype"); + } +} #}}} + +sub match_virusfree ($$;@) { #{{{ + shift; + my $wanted=shift; + + my %params=@_; + if (! exists $params{file}) { + return IkiWiki::FailReason->new("no file specified"); + } + + if (! exists $IkiWiki::config{virus_checker} || + ! length $IkiWiki::config{virus_checker}) { + return IkiWiki::FailReason->new("no virus_checker configured"); + } + + # The file needs to be fed into the virus checker on stdin, + # because the file is not world-readable, and if clamdscan is + # used, clamd would fail to read it. + eval q{use IPC::Open2}; + error($@) if $@; + open (IN, "<", $params{file}) || return IkiWiki::FailReason->new("failed to read file"); + binmode(IN); + my $sigpipe=0; + $SIG{PIPE} = sub { $sigpipe=1 }; + my $pid=open2(\*CHECKER_OUT, "<&IN", $IkiWiki::config{virus_checker}); + my $reason=; + chomp $reason; + 1 while (); + close(CHECKER_OUT); + waitpid $pid, 0; + $SIG{PIPE}="DEFAULT"; + if ($sigpipe || $?) { + if (! length $reason) { + $reason="virus checker $IkiWiki::config{virus_checker}; failed with no output"; + } + return IkiWiki::FailReason->new("file seems to contain a virus ($reason)"); + } + else { + return IkiWiki::SuccessReason->new("file seems virusfree ($reason)"); + } +} #}}} + sub match_ispage ($$;@) { #{{{ my $filename=shift; @@ -306,4 +407,38 @@ sub match_ispage ($$;@) { #{{{ } } #}}} +sub match_user ($$;@) { #{{{ + shift; + my $user=shift; + my %params=@_; + + if (! exists $params{user}) { + return IkiWiki::FailReason->new("no user specified"); + } + + if (defined $params{user} && lc $params{user} eq lc $user) { + return IkiWiki::SuccessReason->new("user is $user"); + } + else { + return IkiWiki::FailReason->new("user is $params{user}, not $user"); + } +} #}}} + +sub match_ip ($$;@) { #{{{ + shift; + my $ip=shift; + my %params=@_; + + if (! exists $params{ip}) { + return IkiWiki::FailReason->new("no IP specified"); + } + + if (defined $params{ip} && lc $params{ip} eq lc $ip) { + return IkiWiki::SuccessReason->new("IP is $ip"); + } + else { + return IkiWiki::FailReason->new("IP is $params{ip}, not $ip"); + } +} #}}} + 1