X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/3479809f96fa9c7a5d9f86c18c581f9a343a3aef..6c4c71c55867e9745240e9b1ba94597192207856:/IkiWiki.pm?ds=sidebyside diff --git a/IkiWiki.pm b/IkiWiki.pm index db16a0854..1043ef402 100644 --- a/IkiWiki.pm +++ b/IkiWiki.pm @@ -1,95 +1,572 @@ #!/usr/bin/perl package IkiWiki; + use warnings; use strict; use Encode; -use HTML::Entities; use URI::Escape q{uri_escape_utf8}; -use POSIX; +use POSIX (); use Storable; use open qw{:utf8 :std}; use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase - %pagestate %renderedfiles %oldrenderedfiles %pagesources - %destsources %depends %hooks %forcerebuild $gettext_obj}; + %pagestate %wikistate %renderedfiles %oldrenderedfiles + %pagesources %delpagesources %destsources %depends %depends_simple + @mass_depends %hooks %forcerebuild %loaded_plugins %typedlinks + %oldtypedlinks %autofiles @underlayfiles $lastrev $phase}; use Exporter q{import}; -our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match - bestlink htmllink readfile writefile pagetype srcfile pagename - displaytime will_render gettext urlto targetpage - add_underlay - %config %links %pagestate %renderedfiles - %pagesources %destsources); -our $VERSION = 2.00; # plugin interface version, next is ikiwiki version +our @EXPORT = qw(hook debug error htmlpage template template_depends + deptype add_depends pagespec_match pagespec_match_list bestlink + htmllink readfile writefile pagetype srcfile pagename + displaytime strftime_utf8 will_render gettext ngettext urlto targetpage + add_underlay pagetitle titlepage linkpage newpagefile + inject add_link add_autofile useragent + %config %links %pagestate %wikistate %renderedfiles + %pagesources %destsources %typedlinks); +our $VERSION = 3.00; # plugin interface version, next is ikiwiki version our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE -my $installdir=''; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE +our $installdir='/usr'; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE + +# Page dependency types. +our $DEPEND_CONTENT=1; +our $DEPEND_PRESENCE=2; +our $DEPEND_LINKS=4; + +# Phases of processing. +sub PHASE_SCAN () { 0 } +sub PHASE_RENDER () { 1 } +$phase = PHASE_SCAN; # Optimisation. use Memoize; memoize("abs2rel"); +memoize("sortspec_translate"); memoize("pagespec_translate"); -memoize("file_pruned"); - -sub defaultconfig () { #{{{ - return - wiki_file_prune_regexps => [qr/(^|\/)\.\.(\/|$)/, qr/^\./, qr/\/\./, - qr/\.x?html?$/, qr/\.ikiwiki-new$/, - qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//, - qr/(^|\/)_MTN\//, - qr/\.dpkg-tmp$/], - wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/, - web_commit_regexp => qr/^web commit (by (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/, - verbose => 0, - syslog => 0, - wikiname => "wiki", - default_pageext => "mdwn", - htmlext => "html", - cgi => 0, - post_commit => 0, - rcs => '', - url => '', - cgiurl => '', - historyurl => '', - diffurl => '', - rss => 0, - atom => 0, - allowrss => 0, - allowatom => 0, - discussion => 1, - rebuild => 0, - refresh => 0, - getctime => 0, - w3mmode => 0, - wrapper => undef, - wrappermode => undef, - svnpath => "trunk", - gitorigin_branch => "origin", - gitmaster_branch => "master", - srcdir => undef, - destdir => undef, - pingurl => [], - templatedir => "$installdir/share/ikiwiki/templates", - underlaydir => "$installdir/share/ikiwiki/basewiki", - underlaydirs => [], - setup => undef, - adminuser => undef, - adminemail => undef, - plugin => [qw{mdwn link inline htmlscrubber passwordauth openid - signinedit lockedit conditional recentchanges}], - libdir => undef, - timeformat => '%c', - locale => undef, - sslcookie => 0, - httpauth => 0, - userdir => "", - usedirs => 1, - numbacklinks => 10, - account_creation_password => "", - prefix_directives => 0, -} #}}} - -sub checkconfig () { #{{{ +memoize("template_file"); + +sub getsetup () { + wikiname => { + type => "string", + default => "wiki", + description => "name of the wiki", + safe => 1, + rebuild => 1, + }, + adminemail => { + type => "string", + default => undef, + example => 'me@example.com', + description => "contact email for wiki", + safe => 1, + rebuild => 0, + }, + adminuser => { + type => "string", + default => [], + description => "users who are wiki admins", + safe => 1, + rebuild => 0, + }, + banned_users => { + type => "string", + default => [], + description => "users who are banned from the wiki", + safe => 1, + rebuild => 0, + }, + srcdir => { + type => "string", + default => undef, + example => "$ENV{HOME}/wiki", + description => "where the source of the wiki is located", + safe => 0, # path + rebuild => 1, + }, + destdir => { + type => "string", + default => undef, + example => "/var/www/wiki", + description => "where to build the wiki", + safe => 0, # path + rebuild => 1, + }, + url => { + type => "string", + default => '', + example => "http://example.com/wiki", + description => "base url to the wiki", + safe => 1, + rebuild => 1, + }, + cgiurl => { + type => "string", + default => '', + example => "http://example.com/wiki/ikiwiki.cgi", + description => "url to the ikiwiki.cgi", + safe => 1, + rebuild => 1, + }, + reverse_proxy => { + type => "boolean", + default => 0, + description => "do not adjust cgiurl if CGI is accessed via different URL", + advanced => 0, + safe => 1, + rebuild => 0, # only affects CGI requests + }, + cgi_wrapper => { + type => "string", + default => '', + example => "/var/www/wiki/ikiwiki.cgi", + description => "filename of cgi wrapper to generate", + safe => 0, # file + rebuild => 0, + }, + cgi_wrappermode => { + type => "string", + default => '06755', + description => "mode for cgi_wrapper (can safely be made suid)", + safe => 0, + rebuild => 0, + }, + cgi_overload_delay => { + type => "string", + default => '', + example => "10", + description => "number of seconds to delay CGI requests when overloaded", + safe => 1, + rebuild => 0, + }, + cgi_overload_message => { + type => "string", + default => '', + example => "Please wait", + description => "message to display when overloaded (may contain html)", + safe => 1, + rebuild => 0, + }, + only_committed_changes => { + type => "boolean", + default => 0, + description => "enable optimization of only refreshing committed changes?", + safe => 1, + rebuild => 0, + }, + rcs => { + type => "string", + default => '', + description => "rcs backend to use", + safe => 0, # don't allow overriding + rebuild => 0, + }, + default_plugins => { + type => "internal", + default => [qw{mdwn link inline meta htmlscrubber passwordauth + openid signinedit lockedit conditional + recentchanges parentlinks editpage + templatebody}], + description => "plugins to enable by default", + safe => 0, + rebuild => 1, + }, + add_plugins => { + type => "string", + default => [], + description => "plugins to add to the default configuration", + safe => 1, + rebuild => 1, + }, + disable_plugins => { + type => "string", + default => [], + description => "plugins to disable", + safe => 1, + rebuild => 1, + }, + templatedir => { + type => "string", + default => "$installdir/share/ikiwiki/templates", + description => "additional directory to search for template files", + advanced => 1, + safe => 0, # path + rebuild => 1, + }, + underlaydir => { + type => "string", + default => "$installdir/share/ikiwiki/basewiki", + description => "base wiki source location", + advanced => 1, + safe => 0, # path + rebuild => 0, + }, + underlaydirbase => { + type => "internal", + default => "$installdir/share/ikiwiki", + description => "parent directory containing additional underlays", + safe => 0, + rebuild => 0, + }, + wrappers => { + type => "internal", + default => [], + description => "wrappers to generate", + safe => 0, + rebuild => 0, + }, + underlaydirs => { + type => "internal", + default => [], + description => "additional underlays to use", + safe => 0, + rebuild => 0, + }, + verbose => { + type => "boolean", + example => 1, + description => "display verbose messages?", + safe => 1, + rebuild => 0, + }, + syslog => { + type => "boolean", + example => 1, + description => "log to syslog?", + safe => 1, + rebuild => 0, + }, + usedirs => { + type => "boolean", + default => 1, + description => "create output files named page/index.html?", + safe => 0, # changing requires manual transition + rebuild => 1, + }, + prefix_directives => { + type => "boolean", + default => 1, + description => "use '!'-prefixed preprocessor directives?", + safe => 0, # changing requires manual transition + rebuild => 1, + }, + indexpages => { + type => "boolean", + default => 0, + description => "use page/index.mdwn source files", + safe => 1, + rebuild => 1, + }, + discussion => { + type => "boolean", + default => 1, + description => "enable Discussion pages?", + safe => 1, + rebuild => 1, + }, + discussionpage => { + type => "string", + default => gettext("Discussion"), + description => "name of Discussion pages", + safe => 1, + rebuild => 1, + }, + html5 => { + type => "boolean", + default => 0, + description => "generate HTML5?", + advanced => 0, + safe => 1, + rebuild => 1, + }, + sslcookie => { + type => "boolean", + default => 0, + description => "only send cookies over SSL connections?", + advanced => 1, + safe => 1, + rebuild => 0, + }, + default_pageext => { + type => "string", + default => "mdwn", + description => "extension to use for new pages", + safe => 0, # not sanitized + rebuild => 0, + }, + htmlext => { + type => "string", + default => "html", + description => "extension to use for html files", + safe => 0, # not sanitized + rebuild => 1, + }, + timeformat => { + type => "string", + default => '%c', + description => "strftime format string to display date", + advanced => 1, + safe => 1, + rebuild => 1, + }, + locale => { + type => "string", + default => undef, + example => "en_US.UTF-8", + description => "UTF-8 locale to use", + advanced => 1, + safe => 0, + rebuild => 1, + }, + userdir => { + type => "string", + default => "", + example => "users", + description => "put user pages below specified page", + safe => 1, + rebuild => 1, + }, + numbacklinks => { + type => "integer", + default => 10, + description => "how many backlinks to show before hiding excess (0 to show all)", + safe => 1, + rebuild => 1, + }, + hardlink => { + type => "boolean", + default => 0, + description => "attempt to hardlink source files? (optimisation for large files)", + advanced => 1, + safe => 0, # paranoia + rebuild => 0, + }, + umask => { + type => "string", + example => "public", + description => "force ikiwiki to use a particular umask (keywords public, group or private, or a number)", + advanced => 1, + safe => 0, # paranoia + rebuild => 0, + }, + wrappergroup => { + type => "string", + example => "ikiwiki", + description => "group for wrappers to run in", + advanced => 1, + safe => 0, # paranoia + rebuild => 0, + }, + libdir => { + type => "string", + default => "", + example => "$ENV{HOME}/.ikiwiki/", + description => "extra library and plugin directory", + advanced => 1, + safe => 0, # directory + rebuild => 0, + }, + ENV => { + type => "string", + default => {}, + description => "environment variables", + safe => 0, # paranoia + rebuild => 0, + }, + timezone => { + type => "string", + default => "", + example => "US/Eastern", + description => "time zone name", + safe => 1, + rebuild => 1, + }, + include => { + type => "string", + default => undef, + example => '^\.htaccess$', + description => "regexp of normally excluded files to include", + advanced => 1, + safe => 0, # regexp + rebuild => 1, + }, + exclude => { + type => "string", + default => undef, + example => '^(*\.private|Makefile)$', + description => "regexp of files that should be skipped", + advanced => 1, + safe => 0, # regexp + rebuild => 1, + }, + wiki_file_prune_regexps => { + type => "internal", + default => [qr/(^|\/)\.\.(\/|$)/, qr/^\//, qr/^\./, qr/\/\./, + qr/\.x?html?$/, qr/\.ikiwiki-new$/, + qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//, + qr/(^|\/)_MTN\//, qr/(^|\/)_darcs\//, + qr/(^|\/)CVS\//, qr/\.dpkg-tmp$/], + description => "regexps of source files to ignore", + safe => 0, + rebuild => 1, + }, + wiki_file_chars => { + type => "string", + description => "specifies the characters that are allowed in source filenames", + default => "-[:alnum:]+/.:_", + safe => 0, + rebuild => 1, + }, + wiki_file_regexp => { + type => "internal", + description => "regexp of legal source files", + safe => 0, + rebuild => 1, + }, + web_commit_regexp => { + type => "internal", + default => qr/^web commit (by (.*?(?=: |$))|from ([0-9a-fA-F:.]+[0-9a-fA-F])):?(.*)/, + description => "regexp to parse web commits from logs", + safe => 0, + rebuild => 0, + }, + cgi => { + type => "internal", + default => 0, + description => "run as a cgi", + safe => 0, + rebuild => 0, + }, + cgi_disable_uploads => { + type => "internal", + default => 1, + description => "whether CGI should accept file uploads", + safe => 0, + rebuild => 0, + }, + post_commit => { + type => "internal", + default => 0, + description => "run as a post-commit hook", + safe => 0, + rebuild => 0, + }, + rebuild => { + type => "internal", + default => 0, + description => "running in rebuild mode", + safe => 0, + rebuild => 0, + }, + setup => { + type => "internal", + default => undef, + description => "running in setup mode", + safe => 0, + rebuild => 0, + }, + clean => { + type => "internal", + default => 0, + description => "running in clean mode", + safe => 0, + rebuild => 0, + }, + refresh => { + type => "internal", + default => 0, + description => "running in refresh mode", + safe => 0, + rebuild => 0, + }, + test_receive => { + type => "internal", + default => 0, + description => "running in receive test mode", + safe => 0, + rebuild => 0, + }, + wrapper_background_command => { + type => "internal", + default => '', + description => "background shell command to run", + safe => 0, + rebuild => 0, + }, + gettime => { + type => "internal", + description => "running in gettime mode", + safe => 0, + rebuild => 0, + }, + w3mmode => { + type => "internal", + default => 0, + description => "running in w3mmode", + safe => 0, + rebuild => 0, + }, + wikistatedir => { + type => "internal", + default => undef, + description => "path to the .ikiwiki directory holding ikiwiki state", + safe => 0, + rebuild => 0, + }, + setupfile => { + type => "internal", + default => undef, + description => "path to setup file", + safe => 0, + rebuild => 0, + }, + setuptype => { + type => "internal", + default => "Yaml", + description => "perl class to use to dump setup file", + safe => 0, + rebuild => 0, + }, + allow_symlinks_before_srcdir => { + type => "boolean", + default => 0, + description => "allow symlinks in the path leading to the srcdir (potentially insecure)", + safe => 0, + rebuild => 0, + }, + cookiejar => { + type => "string", + default => { file => "$ENV{HOME}/.ikiwiki/cookies" }, + description => "cookie control", + safe => 0, # hooks into perl module internals + rebuild => 0, + }, + useragent => { + type => "string", + default => "ikiwiki/$version", + example => "Wget/1.13.4 (linux-gnu)", + description => "set custom user agent string for outbound HTTP requests e.g. when fetching aggregated RSS feeds", + safe => 0, + rebuild => 0, + }, +} + +sub defaultconfig () { + my %s=getsetup(); + my @ret; + foreach my $key (keys %s) { + push @ret, $key, $s{$key}->{default}; + } + return @ret; +} + +# URL to top of wiki as a path starting with /, valid from any wiki page or +# the CGI; if that's not possible, an absolute URL. Either way, it ends with / +my $local_url; +# URL to CGI script, similar to $local_url +my $local_cgiurl; + +sub checkconfig () { # locale stuff; avoid LC_ALL since it overrides everything if (defined $ENV{LC_ALL}) { $ENV{LANG} = $ENV{LC_ALL}; @@ -98,9 +575,25 @@ sub checkconfig () { #{{{ if (defined $config{locale}) { if (POSIX::setlocale(&POSIX::LC_ALL, $config{locale})) { $ENV{LANG}=$config{locale}; - $gettext_obj=undef; + define_gettext(); } } + + if (! defined $config{wiki_file_regexp}) { + $config{wiki_file_regexp}=qr/(^[$config{wiki_file_chars}]+$)/; + } + + if (ref $config{ENV} eq 'HASH') { + foreach my $val (keys %{$config{ENV}}) { + $ENV{$val}=$config{ENV}{$val}; + } + } + if (defined $config{timezone} && length $config{timezone}) { + $ENV{TZ}=$config{timezone}; + } + else { + $config{timezone}=$ENV{TZ}; + } if ($config{w3mmode}) { eval q{use Cwd q{abs_path}}; @@ -115,56 +608,153 @@ sub checkconfig () { #{{{ if ($config{cgi} && ! length $config{url}) { error(gettext("Must specify url to wiki with --url when using --cgi")); } - - $config{wikistatedir}="$config{srcdir}/.ikiwiki" - unless exists $config{wikistatedir}; - - if ($config{rcs}) { - eval qq{use IkiWiki::Rcs::$config{rcs}}; - if ($@) { - error("Failed to load RCS module IkiWiki::Rcs::$config{rcs}: $@"); + + if (defined $config{url} && length $config{url}) { + eval q{use URI}; + my $baseurl = URI->new($config{url}); + + $local_url = $baseurl->path . "/"; + $local_cgiurl = undef; + + if (length $config{cgiurl}) { + my $cgiurl = URI->new($config{cgiurl}); + + $local_cgiurl = $cgiurl->path; + + if ($cgiurl->scheme eq 'https' && + $baseurl->scheme eq 'http') { + # We assume that the same content is available + # over both http and https, because if it + # wasn't, accessing the static content + # from the CGI would be mixed-content, + # which would be a security flaw. + + if ($cgiurl->authority ne $baseurl->authority) { + # use protocol-relative URL for + # static content + $local_url = "$config{url}/"; + $local_url =~ s{^http://}{//}; + } + # else use host-relative URL for static content + + # either way, CGI needs to be absolute + $local_cgiurl = $config{cgiurl}; + } + elsif ($cgiurl->scheme ne $baseurl->scheme) { + # too far apart, fall back to absolute URLs + $local_url = "$config{url}/"; + $local_cgiurl = $config{cgiurl}; + } + elsif ($cgiurl->authority ne $baseurl->authority) { + # slightly too far apart, fall back to + # protocol-relative URLs + $local_url = "$config{url}/"; + $local_url =~ s{^https?://}{//}; + $local_cgiurl = $config{cgiurl}; + $local_cgiurl =~ s{^https?://}{//}; + } + # else keep host-relative URLs } + + $local_url =~ s{//$}{/}; } else { - require IkiWiki::Rcs::Stub; + $local_cgiurl = $config{cgiurl}; } - if (exists $config{umask}) { - umask(possibly_foolish_untaint($config{umask})); + $config{wikistatedir}="$config{srcdir}/.ikiwiki" + unless exists $config{wikistatedir} && defined $config{wikistatedir}; + + if (defined $config{umask}) { + my $u = possibly_foolish_untaint($config{umask}); + + if ($u =~ m/^\d+$/) { + umask($u); + } + elsif ($u eq 'private') { + umask(077); + } + elsif ($u eq 'group') { + umask(027); + } + elsif ($u eq 'public') { + umask(022); + } + else { + error(sprintf(gettext("unsupported umask setting %s"), $u)); + } } run_hooks(checkconfig => sub { shift->() }); return 1; -} #}}} +} + +sub listplugins () { + my %ret; -sub loadplugins () { #{{{ - if (defined $config{libdir}) { + foreach my $dir (@INC, $config{libdir}) { + next unless defined $dir && length $dir; + foreach my $file (glob("$dir/IkiWiki/Plugin/*.pm")) { + my ($plugin)=$file=~/.*\/(.*)\.pm$/; + $ret{$plugin}=1; + } + } + foreach my $dir ($config{libdir}, "$installdir/lib/ikiwiki") { + next unless defined $dir && length $dir; + foreach my $file (glob("$dir/plugins/*")) { + $ret{basename($file)}=1 if -x $file; + } + } + + return keys %ret; +} + +sub loadplugins () { + if (defined $config{libdir} && length $config{libdir}) { unshift @INC, possibly_foolish_untaint($config{libdir}); } - loadplugin($_) foreach @{$config{plugin}}; + foreach my $plugin (@{$config{default_plugins}}, @{$config{add_plugins}}) { + loadplugin($plugin); + } + + if ($config{rcs}) { + if (exists $hooks{rcs}) { + error(gettext("cannot use multiple rcs plugins")); + } + loadplugin($config{rcs}); + } + if (! exists $hooks{rcs}) { + loadplugin("norcs"); + } run_hooks(getopt => sub { shift->() }); if (grep /^-/, @ARGV) { - print STDERR "Unknown option: $_\n" + print STDERR "Unknown option (or missing parameter): $_\n" foreach grep /^-/, @ARGV; usage(); } return 1; -} #}}} +} -sub loadplugin ($) { #{{{ +sub loadplugin ($;$) { my $plugin=shift; + my $force=shift; - return if grep { $_ eq $plugin} @{$config{disable_plugins}}; + return if ! $force && grep { $_ eq $plugin} @{$config{disable_plugins}}; foreach my $dir (defined $config{libdir} ? possibly_foolish_untaint($config{libdir}) : undef, "$installdir/lib/ikiwiki") { if (defined $dir && -x "$dir/plugins/$plugin") { - require IkiWiki::Plugin::external; + eval { require IkiWiki::Plugin::external }; + if ($@) { + my $reason=$@; + error(sprintf(gettext("failed to load external plugin needed for %s plugin: %s"), $plugin, $reason)); + } import IkiWiki::Plugin::external "$dir/plugins/$plugin"; + $loaded_plugins{$plugin}=1; return 1; } } @@ -174,31 +764,28 @@ sub loadplugin ($) { #{{{ if ($@) { error("Failed to load plugin $mod: $@"); } + $loaded_plugins{$plugin}=1; return 1; -} #}}} +} -sub error ($;$) { #{{{ +sub error ($;$) { my $message=shift; my $cleaner=shift; - if ($config{cgi}) { - print "Content-type: text/html\n\n"; - print misctemplate(gettext("Error"), - "

".gettext("Error").": $message

"); - } log_message('err' => $message) if $config{syslog}; if (defined $cleaner) { $cleaner->(); } die $message."\n"; -} #}}} +} -sub debug ($) { #{{{ +sub debug ($) { return unless $config{verbose}; return log_message(debug => @_); -} #}}} +} my $log_open=0; -sub log_message ($$) { #{{{ +my $log_failed=0; +sub log_message ($$) { my $type=shift; if ($config{syslog}) { @@ -208,9 +795,18 @@ sub log_message ($$) { #{{{ Sys::Syslog::openlog('ikiwiki', '', 'user'); $log_open=1; } - return eval { - Sys::Syslog::syslog($type, "[$config{wikiname}] %s", join(" ", @_)); + eval { + # keep a copy to avoid editing the original config repeatedly + my $wikiname = $config{wikiname}; + utf8::encode($wikiname); + Sys::Syslog::syslog($type, "[$wikiname] %s", join(" ", @_)); }; + if ($@) { + print STDERR "failed to syslog: $@" unless $log_failed; + $log_failed=1; + print STDERR "@_\n"; + } + return $@; } elsif (! $config{cgi}) { return print "@_\n"; @@ -218,94 +814,141 @@ sub log_message ($$) { #{{{ else { return print STDERR "@_\n"; } -} #}}} +} -sub possibly_foolish_untaint ($) { #{{{ +sub possibly_foolish_untaint ($) { my $tainted=shift; my ($untainted)=$tainted=~/(.*)/s; return $untainted; -} #}}} +} -sub basename ($) { #{{{ +sub basename ($) { my $file=shift; $file=~s!.*/+!!; return $file; -} #}}} +} -sub dirname ($) { #{{{ +sub dirname ($) { my $file=shift; $file=~s!/*[^/]+$!!; return $file; -} #}}} +} -sub pagetype ($) { #{{{ +sub isinternal ($) { my $page=shift; + return exists $pagesources{$page} && + $pagesources{$page} =~ /\._([^.]+)$/; +} + +sub pagetype ($) { + my $file=shift; - if ($page =~ /\.([^.]+)$/) { + if ($file =~ /\.([^.]+)$/) { return $1 if exists $hooks{htmlize}{$1}; } + my $base=basename($file); + if (exists $hooks{htmlize}{$base} && + $hooks{htmlize}{$base}{noextension}) { + return $base; + } return; -} #}}} +} -sub isinternal ($) { #{{{ - my $page=shift; - return exists $pagesources{$page} && - $pagesources{$page} =~ /\._([^.]+)$/; -} #}}} +my %pagename_cache; -sub pagename ($) { #{{{ +sub pagename ($) { my $file=shift; + if (exists $pagename_cache{$file}) { + return $pagename_cache{$file}; + } + my $type=pagetype($file); my $page=$file; - $page=~s/\Q.$type\E*$// if defined $type; + $page=~s/\Q.$type\E*$// + if defined $type && !$hooks{htmlize}{$type}{keepextension} + && !$hooks{htmlize}{$type}{noextension}; + if ($config{indexpages} && $page=~/(.*)\/index$/) { + $page=$1; + } + + $pagename_cache{$file} = $page; return $page; -} #}}} +} -sub targetpage ($$) { #{{{ +sub newpagefile ($$) { + my $page=shift; + my $type=shift; + + if (! $config{indexpages} || $page eq 'index') { + return $page.".".$type; + } + else { + return $page."/index.".$type; + } +} + +sub targetpage ($$;$) { my $page=shift; my $ext=shift; + my $filename=shift; - if (! $config{usedirs} || $page =~ /^index$/ ) { + if (defined $filename) { + return $page."/".$filename.".".$ext; + } + elsif (! $config{usedirs} || $page eq 'index') { return $page.".".$ext; - } else { + } + else { return $page."/index.".$ext; } -} #}}} +} -sub htmlpage ($) { #{{{ +sub htmlpage ($) { my $page=shift; return targetpage($page, $config{htmlext}); -} #}}} +} -sub srcfile ($) { #{{{ +sub srcfile_stat { my $file=shift; + my $nothrow=shift; - return "$config{srcdir}/$file" if -e "$config{srcdir}/$file"; + return "$config{srcdir}/$file", stat(_) if -e "$config{srcdir}/$file"; foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) { - return "$dir/$file" if -e "$dir/$file"; + return "$dir/$file", stat(_) if -e "$dir/$file"; } - error("internal error: $file cannot be found in $config{srcdir} or underlay"); + error("internal error: $file cannot be found in $config{srcdir} or underlay") unless $nothrow; return; -} #}}} +} + +sub srcfile ($;$) { + return (srcfile_stat(@_))[0]; +} -sub add_underlay ($) { #{{{ +sub add_literal_underlay ($) { my $dir=shift; - if ($dir=~/^\//) { + if (! grep { $_ eq $dir } @{$config{underlaydirs}}) { unshift @{$config{underlaydirs}}, $dir; } - else { - unshift @{$config{underlaydirs}}, "$config{underlaydir}/../$dir"; +} + +sub add_underlay ($) { + my $dir = shift; + + if ($dir !~ /^\//) { + $dir="$config{underlaydirbase}/$dir"; } + add_literal_underlay($dir); + # why does it return 1? we just don't know return 1; -} #}}} +} -sub readfile ($;$$) { #{{{ +sub readfile ($;$$) { my $file=shift; my $binary=shift; my $wantfd=shift; @@ -319,30 +962,38 @@ sub readfile ($;$$) { #{{{ binmode($in) if ($binary); return \*$in if $wantfd; my $ret=<$in>; + # check for invalid utf-8, and toss it back to avoid crashes + if (! utf8::valid($ret)) { + $ret=encode_utf8($ret); + } close $in || error("failed to read $file: $!"); return $ret; -} #}}} +} -sub writefile ($$$;$$) { #{{{ - my $file=shift; # can include subdirs - my $destdir=shift; # directory to put file in - my $content=shift; - my $binary=shift; - my $writer=shift; +sub prep_writefile ($$) { + my $file=shift; + my $destdir=shift; my $test=$file; while (length $test) { if (-l "$destdir/$test") { error("cannot write to a symlink ($test)"); } + if (-f _ && $test ne $file) { + # Remove conflicting file. + foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) { + foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) { + if ($f eq $test) { + unlink("$destdir/$test"); + last; + } + } + } + } $test=dirname($test); } - my $newfile="$destdir/$file.ikiwiki-new"; - if (-l $newfile) { - error("cannot write to a symlink ($newfile)"); - } - my $dir=dirname($newfile); + my $dir=dirname("$destdir/$file"); if (! -d $dir) { my $d=""; foreach my $s (split(m!/+!, $dir)) { @@ -353,6 +1004,23 @@ sub writefile ($$$;$$) { #{{{ } } + return 1; +} + +sub writefile ($$$;$$) { + my $file=shift; # can include subdirs + my $destdir=shift; # directory to put file in + my $content=shift; + my $binary=shift; + my $writer=shift; + + prep_writefile($file, $destdir); + + my $newfile="$destdir/$file.ikiwiki-new"; + if (-l $newfile) { + error("cannot write to a symlink ($newfile)"); + } + my $cleanup = sub { unlink($newfile) }; open (my $out, '>', $newfile) || error("failed to write $newfile: $!", $cleanup); binmode($out) if ($binary); @@ -367,18 +1035,44 @@ sub writefile ($$$;$$) { #{{{ error("failed renaming $newfile to $destdir/$file: $!", $cleanup); return 1; -} #}}} +} my %cleared; -sub will_render ($$;$) { #{{{ +sub will_render ($$;$) { my $page=shift; my $dest=shift; my $clear=shift; - # Important security check. + # Important security check for independently created files. if (-e "$config{destdir}/$dest" && ! $config{rebuild} && - ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}})) { - error("$config{destdir}/$dest independently created, not overwriting with version from $page"); + ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}}, @{$wikistate{editpage}{previews}})) { + my $from_other_page=0; + # Expensive, but rarely runs. + foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) { + if (grep { + $_ eq $dest || + dirname($_) eq $dest + } @{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) { + $from_other_page=1; + last; + } + } + + error("$config{destdir}/$dest independently created, not overwriting with version from $page") + unless $from_other_page; + } + + # If $dest exists as a directory, remove conflicting files in it + # rendered from other pages. + if (-d _) { + foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) { + foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) { + if (dirname($f) eq $dest) { + unlink("$config{destdir}/$f"); + rmdir(dirname("$config{destdir}/$f")); + } + } + } } if (! $clear || $cleared{$page}) { @@ -394,9 +1088,9 @@ sub will_render ($$;$) { #{{{ $destsources{$dest}=$page; return 1; -} #}}} +} -sub bestlink ($$) { #{{{ +sub bestlink ($$) { my $page=shift; my $link=shift; @@ -412,17 +1106,17 @@ sub bestlink ($$) { #{{{ $l.="/" if length $l; $l.=$link; - if (exists $links{$l}) { + if (exists $pagesources{$l}) { return $l; } elsif (exists $pagecase{lc $l}) { return $pagecase{lc $l}; } - } while $cwd=~s!/?[^/]+$!!; + } while $cwd=~s{/?[^/]+$}{}; if (length $config{userdir}) { my $l = "$config{userdir}/".lc($link); - if (exists $links{$l}) { + if (exists $pagesources{$l}) { return $l; } elsif (exists $pagecase{lc $l}) { @@ -432,15 +1126,15 @@ sub bestlink ($$) { #{{{ #print STDERR "warning: page $page, broken link: $link\n"; return ""; -} #}}} +} -sub isinlinableimage ($) { #{{{ +sub isinlinableimage ($) { my $file=shift; - return $file =~ /\.(png|gif|jpg|jpeg)$/i; -} #}}} + return $file =~ /\.(png|gif|jpg|jpeg|svg)$/i; +} -sub pagetitle ($;$) { #{{{ +sub pagetitle ($;$) { my $page=shift; my $unescaped=shift; @@ -452,39 +1146,68 @@ sub pagetitle ($;$) { #{{{ } return $page; -} #}}} +} -sub titlepage ($) { #{{{ +sub titlepage ($) { my $title=shift; - $title=~s/([^-[:alnum:]:+\/.])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg; + # support use w/o %config set + my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_"; + $title=~s/([^$chars]|_)/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg; return $title; -} #}}} +} -sub linkpage ($) { #{{{ +sub linkpage ($) { my $link=shift; - $link=~s/([^-[:alnum:]:+\/._])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg; + my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_"; + $link=~s/([^$chars])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg; return $link; -} #}}} +} -sub cgiurl (@) { #{{{ +sub cgiurl (@) { my %params=@_; - return $config{cgiurl}."?". + my $cgiurl=$local_cgiurl; + + if (exists $params{cgiurl}) { + $cgiurl=$params{cgiurl}; + delete $params{cgiurl}; + } + + unless (%params) { + return $cgiurl; + } + + return $cgiurl."?". join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params); -} #}}} +} -sub baseurl (;$) { #{{{ +sub cgiurl_abs (@) { + eval q{use URI}; + URI->new_abs(cgiurl(@_), $config{cgiurl}); +} + +sub baseurl (;$) { my $page=shift; - return "$config{url}/" if ! defined $page; + return $local_url if ! defined $page; $page=htmlpage($page); $page=~s/[^\/]+$//; $page=~s/[^\/]+\//..\//g; return $page; -} #}}} +} + +sub urlabs ($$) { + my $url=shift; + my $urlbase=shift; + + return $url unless defined $urlbase && length $urlbase; -sub abs2rel ($$) { #{{{ + eval q{use URI}; + URI->new_abs($url, $urlbase)->as_string; +} + +sub abs2rel ($$) { # Work around very innefficient behavior in File::Spec if abs2rel # is passed two relative paths. It's much faster if paths are # absolute! (Debian bug #376658; fixed in debian unstable now) @@ -495,49 +1218,109 @@ sub abs2rel ($$) { #{{{ my $ret=File::Spec->abs2rel($path, $base); $ret=~s/^// if defined $ret; return $ret; -} #}}} +} -sub displaytime ($;$) { #{{{ +sub displaytime ($;$$) { + # Plugins can override this function to mark up the time to + # display. + my $time=formattime($_[0], $_[1]); + if ($config{html5}) { + return ''; + } + else { + return ''.$time.''; + } +} + +sub formattime ($;$) { + # Plugins can override this function to format the time. my $time=shift; my $format=shift; if (! defined $format) { $format=$config{timeformat}; } + return strftime_utf8($format, localtime($time)); +} + +my $strftime_encoding; +sub strftime_utf8 { # strftime doesn't know about encodings, so make sure - # its output is properly treated as utf8 - return decode_utf8(POSIX::strftime($format, localtime($time))); -} #}}} + # its output is properly treated as utf8. + # Note that this does not handle utf-8 in the format string. + ($strftime_encoding) = POSIX::setlocale(&POSIX::LC_TIME) =~ m#\.([^@]+)# + unless defined $strftime_encoding; + $strftime_encoding + ? Encode::decode($strftime_encoding, POSIX::strftime(@_)) + : POSIX::strftime(@_); +} + +sub date_3339 ($) { + my $time=shift; -sub beautify_url ($) { #{{{ + my $lc_time=POSIX::setlocale(&POSIX::LC_TIME); + POSIX::setlocale(&POSIX::LC_TIME, "C"); + my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time)); + POSIX::setlocale(&POSIX::LC_TIME, $lc_time); + return $ret; +} + +sub beautify_urlpath ($) { my $url=shift; + # Ensure url is not an empty link, and if necessary, + # add ./ to avoid colon confusion. + if ($url !~ /^\// && $url !~ /^\.\.?\//) { + $url="./$url"; + } + if ($config{usedirs}) { $url =~ s!/index.$config{htmlext}$!/!; } - $url =~ s!^$!./!; # Browsers don't like empty links... return $url; -} #}}} +} -sub urlto ($$) { #{{{ +sub urlto ($;$$) { my $to=shift; my $from=shift; - + my $absolute=shift; + if (! length $to) { - return beautify_url(baseurl($from)); + $to = 'index'; } if (! $destsources{$to}) { $to=htmlpage($to); } + if ($absolute) { + return $config{url}.beautify_urlpath("/".$to); + } + + if (! defined $from) { + my $u = $local_url || ''; + $u =~ s{/$}{}; + return $u.beautify_urlpath("/".$to); + } + my $link = abs2rel($to, dirname(htmlpage($from))); - return beautify_url($link); -} #}}} + return beautify_urlpath($link); +} -sub htmllink ($$$;@) { #{{{ +sub isselflink ($$) { + # Plugins can override this function to support special types + # of selflinks. + my $page=shift; + my $link=shift; + + return $page eq $link; +} + +sub htmllink ($$$;@) { my $lpage=shift; # the page doing the linking my $page=shift; # the page that will contain the link (different for inline) my $link=shift; @@ -562,26 +1345,28 @@ sub htmllink ($$$;@) { #{{{ } return "$linktext" - if length $bestlink && $page eq $bestlink && + if length $bestlink && isselflink($page, $bestlink) && ! defined $opts{anchor}; if (! $destsources{$bestlink}) { $bestlink=htmlpage($bestlink); if (! $destsources{$bestlink}) { - return $linktext unless length $config{cgiurl}; - return " "create", - page => pagetitle(lc($link), 1), - from => $lpage - ). - "\">?$linktext" + my $cgilink = ""; + if (length $config{cgiurl}) { + $cgilink = " "create", + page => $link, + from => $lpage + )."\" rel=\"nofollow\">?"; + } + return "$cgilink$linktext" } } $bestlink=abs2rel($bestlink, dirname(htmlpage($page))); - $bestlink=beautify_url($bestlink); + $bestlink=beautify_urlpath($bestlink); if (! $opts{noimageinline} && isinlinableimage($bestlink)) { return "\"$linktext\""; @@ -592,37 +1377,62 @@ sub htmllink ($$$;@) { #{{{ } my @attrs; - if (defined $opts{rel}) { - push @attrs, ' rel="'.$opts{rel}.'"'; - } - if (defined $opts{class}) { - push @attrs, ' class="'.$opts{class}.'"'; + foreach my $attr (qw{rel class title}) { + if (defined $opts{$attr}) { + push @attrs, " $attr=\"$opts{$attr}\""; + } } return "$linktext"; -} #}}} +} -sub userlink ($) { #{{{ +sub userpage ($) { my $user=shift; + return length $config{userdir} ? "$config{userdir}/$user" : $user; +} - my $oiduser=eval { openiduser($user) }; - if (defined $oiduser) { - return "$oiduser"; - } - else { - return htmllink("", "", escapeHTML( - length $config{userdir} ? $config{userdir}."/".$user : $user - ), noimageinline => 1); +sub openiduser ($) { + my $user=shift; + + if (defined $user && $user =~ m!^https?://! && + eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) { + my $display; + + if (Net::OpenID::VerifiedIdentity->can("DisplayOfURL")) { + $display = Net::OpenID::VerifiedIdentity::DisplayOfURL($user); + } + else { + # backcompat with old version + my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user); + $display=$oid->display; + } + + # Convert "user.somehost.com" to "user [somehost.com]" + # (also "user.somehost.co.uk") + if ($display !~ /\[/) { + $display=~s/^([-a-zA-Z0-9]+?)\.([-.a-zA-Z0-9]+\.[a-z]+)$/$1 [$2]/; + } + # Convert "http://somehost.com/user" to "user [somehost.com]". + # (also "https://somehost.com/user/") + if ($display !~ /\[/) { + $display=~s/^https?:\/\/(.+)\/([^\/#?]+)\/?(?:[#?].*)?$/$2 [$1]/; + } + $display=~s!^https?://!!; # make sure this is removed + eval q{use CGI 'escapeHTML'}; + error($@) if $@; + return escapeHTML($display); } -} #}}} + return; +} -sub htmlize ($$$) { #{{{ +sub htmlize ($$$$) { my $page=shift; + my $destpage=shift; my $type=shift; my $content=shift; my $oneline = $content !~ /\n/; - + if (exists $hooks{htmlize}{$type}) { $content=$hooks{htmlize}{$type}{call}->( page => $page, @@ -636,22 +1446,22 @@ sub htmlize ($$$) { #{{{ run_hooks(sanitize => sub { $content=shift->( page => $page, + destpage => $destpage, content => $content, ); }); if ($oneline) { # hack to get rid of enclosing junk added by markdown - # and other htmlizers + # and other htmlizers/sanitizers $content=~s/^

//i; - $content=~s/<\/p>$//i; - chomp $content; + $content=~s/<\/p>\n*$//i; } return $content; -} #}}} +} -sub linkify ($$$) { #{{{ +sub linkify ($$$) { my $page=shift; my $destpage=shift; my $content=shift; @@ -665,11 +1475,11 @@ sub linkify ($$$) { #{{{ }); return $content; -} #}}} +} -my %preprocessing; +our %preprocessing; our $preprocess_preview=0; -sub preprocess ($$$;$$) { #{{{ +sub preprocess ($$$;$$) { my $page=shift; # the page the data comes from my $destpage=shift; # the page the data will appear in (different for inline) my $content=shift; @@ -685,6 +1495,8 @@ sub preprocess ($$$;$$) { #{{{ my $prefix=shift; my $command=shift; my $params=shift; + $params="" if ! defined $params; + if (length $escape) { return "[[$prefix$command $params]]"; } @@ -694,16 +1506,21 @@ sub preprocess ($$$;$$) { #{{{ # consider it significant. my @params; while ($params =~ m{ - (?:([-\w]+)=)? # 1: named parameter key? + (?:([-.\w]+)=)? # 1: named parameter key? (?: """(.*?)""" # 2: triple-quoted value | - "([^"]+)" # 3: single-quoted value + "([^"]*?)" # 3: single-quoted value + | + '''(.*?)''' # 4: triple-single-quote | - (\S+) # 4: unquoted value + <<([a-zA-Z]+)\n # 5: heredoc start + (.*?)\n\5 # 6: heredoc value + | + (\S+) # 7: unquoted value ) (?:\s+|$) # delimiter to next param - }sgx) { + }msgx) { my $key=$1; my $val; if (defined $2) { @@ -718,6 +1535,12 @@ sub preprocess ($$$;$$) { #{{{ elsif (defined $4) { $val=$4; } + elsif (defined $7) { + $val=$7; + } + elsif (defined $6) { + $val=$6; + } if (defined $key) { push @params, $key, $val; @@ -726,34 +1549,41 @@ sub preprocess ($$$;$$) { #{{{ push @params, $val, ''; } } - if ($preprocessing{$page}++ > 3) { + if ($preprocessing{$page}++ > 8) { # Avoid loops of preprocessed pages preprocessing # other pages that preprocess them, etc. - #translators: The first parameter is a - #translators: preprocessor directive name, - #translators: the second a page name, the - #translators: third a number. - return "[[".sprintf(gettext("%s preprocessing loop detected on %s at depth %i"), - $command, $page, $preprocessing{$page}). - "]]"; + return "[[!$command ". + sprintf(gettext("preprocessing loop detected on %s at depth %i"), + $page, $preprocessing{$page}). + "]]"; } my $ret; if (! $scan) { - $ret=$hooks{preprocess}{$command}{call}->( - @params, - page => $page, - destpage => $destpage, - preview => $preprocess_preview, - ); + $ret=eval { + $hooks{preprocess}{$command}{call}->( + @params, + page => $page, + destpage => $destpage, + preview => $preprocess_preview, + ); + }; + if ($@) { + my $error=$@; + chomp $error; + $ret="[[!$command ". + gettext("Error").": $error"."]]"; + } } else { # use void context during scan pass - $hooks{preprocess}{$command}{call}->( - @params, - page => $page, - destpage => $destpage, - preview => $preprocess_preview, - ); + eval { + $hooks{preprocess}{$command}{call}->( + @params, + page => $page, + destpage => $destpage, + preview => $preprocess_preview, + ); + }; $ret=""; } $preprocessing{$page}--; @@ -773,13 +1603,18 @@ sub preprocess ($$$;$$) { #{{{ ( # 4: the parameters.. \s+ # Must have space if parameters present (?: - (?:[-\w]+=)? # named parameter key? + (?:[-.\w]+=)? # named parameter key? (?: """.*?""" # triple-quoted value | - "[^"]+" # single-quoted value + "[^"]*?" # single-quoted value + | + '''.*?''' # triple-single-quote | - [^\s\]]+ # unquoted value + <<([a-zA-Z]+)\n # 5: heredoc start + (?:.*?)\n\5 # heredoc value + | + [^"\s\]]+ # unquoted value ) \s* # whitespace or end # of directive @@ -787,7 +1622,8 @@ sub preprocess ($$$;$$) { #{{{ *)? # 0 or more parameters \]\] # directive closed }sx; - } else { + } + else { $regex = qr{ (\\?) # 1: escape? \[\[(!?) # directive open; 2: optional prefix @@ -795,13 +1631,18 @@ sub preprocess ($$$;$$) { #{{{ \s+ ( # 4: the parameters.. (?: - (?:[-\w]+=)? # named parameter key? + (?:[-.\w]+=)? # named parameter key? (?: """.*?""" # triple-quoted value | - "[^"]+" # single-quoted value + "[^"]*?" # single-quoted value + | + '''.*?''' # triple-single-quote + | + <<([a-zA-Z]+)\n # 5: heredoc start + (?:.*?)\n\5 # heredoc value | - [^\s\]]+ # unquoted value + [^"\s\]]+ # unquoted value ) \s* # whitespace or end # of directive @@ -813,9 +1654,9 @@ sub preprocess ($$$;$$) { #{{{ $content =~ s{$regex}{$handle->($1, $2, $3, $4)}eg; return $content; -} #}}} +} -sub filter ($$$) { #{{{ +sub filter ($$$) { my $page=shift; my $destpage=shift; my $content=shift; @@ -826,16 +1667,138 @@ sub filter ($$$) { #{{{ }); return $content; -} #}}} +} + +sub check_canedit ($$$;$) { + my $page=shift; + my $q=shift; + my $session=shift; + my $nonfatal=shift; + + my $canedit; + run_hooks(canedit => sub { + return if defined $canedit; + my $ret=shift->($page, $q, $session); + if (defined $ret) { + if ($ret eq "") { + $canedit=1; + } + elsif (ref $ret eq 'CODE') { + $ret->() unless $nonfatal; + $canedit=0; + } + elsif (defined $ret) { + error($ret) unless $nonfatal; + $canedit=0; + } + } + }); + return defined $canedit ? $canedit : 1; +} + +sub check_content (@) { + my %params=@_; + + return 1 if ! exists $hooks{checkcontent}; # optimisation + + if (exists $pagesources{$params{page}}) { + my @diff; + my %old=map { $_ => 1 } + split("\n", readfile(srcfile($pagesources{$params{page}}))); + foreach my $line (split("\n", $params{content})) { + push @diff, $line if ! exists $old{$line}; + } + $params{diff}=join("\n", @diff); + } + + my $ok; + run_hooks(checkcontent => sub { + return if defined $ok; + my $ret=shift->(%params); + if (defined $ret) { + if ($ret eq "") { + $ok=1; + } + elsif (ref $ret eq 'CODE') { + $ret->() unless $params{nonfatal}; + $ok=0; + } + elsif (defined $ret) { + error($ret) unless $params{nonfatal}; + $ok=0; + } + } + + }); + return defined $ok ? $ok : 1; +} + +sub check_canchange (@) { + my %params = @_; + my $cgi = $params{cgi}; + my $session = $params{session}; + my @changes = @{$params{changes}}; + + my %newfiles; + foreach my $change (@changes) { + # This untaint is safe because we check file_pruned and + # wiki_file_regexp. + my ($file)=$change->{file}=~/$config{wiki_file_regexp}/; + $file=possibly_foolish_untaint($file); + if (! defined $file || ! length $file || + file_pruned($file)) { + error(gettext("bad file name %s"), $file); + } + + my $type=pagetype($file); + my $page=pagename($file) if defined $type; + + if ($change->{action} eq 'add') { + $newfiles{$file}=1; + } + + if ($change->{action} eq 'change' || + $change->{action} eq 'add') { + if (defined $page) { + check_canedit($page, $cgi, $session); + next; + } + else { + if (IkiWiki::Plugin::attachment->can("check_canattach")) { + IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path}); + check_canedit($file, $cgi, $session); + next; + } + } + } + elsif ($change->{action} eq 'remove') { + # check_canremove tests to see if the file is present + # on disk. This will fail when a single commit adds a + # file and then removes it again. Avoid the problem + # by not testing the removal in such pairs of changes. + # (The add is still tested, just to make sure that + # no data is added to the repo that a web edit + # could not add.) + next if $newfiles{$file}; + + if (IkiWiki::Plugin::remove->can("check_canremove")) { + IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session); + check_canedit(defined $page ? $page : $file, $cgi, $session); + next; + } + } + else { + error "unknown action ".$change->{action}; + } + + error sprintf(gettext("you are not allowed to change %s"), $file); + } +} -sub indexlink () { #{{{ - return "$config{wikiname}"; -} #}}} my $wikilock; -sub lockwiki (;$) { #{{{ - my $wait=@_ ? shift : 1; +sub lockwiki () { # Take an exclusive lock on the wiki to prevent multiple concurrent # run issues. The lock will be dropped on program exit. if (! -d $config{wikistatedir}) { @@ -843,32 +1806,21 @@ sub lockwiki (;$) { #{{{ } open($wikilock, '>', "$config{wikistatedir}/lockfile") || error ("cannot write to $config{wikistatedir}/lockfile: $!"); - if (! flock($wikilock, 2 | 4)) { # LOCK_EX | LOCK_NB - if ($wait) { - debug("wiki seems to be locked, waiting for lock"); - my $wait=600; # arbitrary, but don't hang forever to - # prevent process pileup - for (1..$wait) { - return if flock($wikilock, 2 | 4); - sleep 1; - } - error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)"); - } - else { - return 0; - } + if (! flock($wikilock, 2)) { # LOCK_EX + error("failed to get lock"); } return 1; -} #}}} +} -sub unlockwiki () { #{{{ +sub unlockwiki () { + POSIX::close($ENV{IKIWIKI_CGILOCK_FD}) if exists $ENV{IKIWIKI_CGILOCK_FD}; return close($wikilock) if $wikilock; return; -} #}}} +} my $commitlock; -sub commit_hook_enabled () { #{{{ +sub commit_hook_enabled () { open($commitlock, '+>', "$config{wikistatedir}/commitlock") || error("cannot write to $config{wikistatedir}/commitlock: $!"); if (! flock($commitlock, 1 | 4)) { # LOCK_SH | LOCK_NB to test @@ -877,62 +1829,118 @@ sub commit_hook_enabled () { #{{{ } close($commitlock) || error("failed closing commitlock: $!"); return 1; -} #}}} +} -sub disable_commit_hook () { #{{{ +sub disable_commit_hook () { open($commitlock, '>', "$config{wikistatedir}/commitlock") || error("cannot write to $config{wikistatedir}/commitlock: $!"); if (! flock($commitlock, 2)) { # LOCK_EX error("failed to get commit lock"); } return 1; -} #}}} +} -sub enable_commit_hook () { #{{{ +sub enable_commit_hook () { return close($commitlock) if $commitlock; return; -} #}}} +} -sub loadindex () { #{{{ +sub loadindex () { %oldrenderedfiles=%pagectime=(); - if (! $config{rebuild}) { + my $rebuild=$config{rebuild}; + if (! $rebuild) { %pagesources=%pagemtime=%oldlinks=%links=%depends= - %destsources=%renderedfiles=%pagecase=%pagestate=(); + %destsources=%renderedfiles=%pagecase=%pagestate= + %depends_simple=%typedlinks=%oldtypedlinks=(); } my $in; if (! open ($in, "<", "$config{wikistatedir}/indexdb")) { if (-e "$config{wikistatedir}/index") { - system("ikiwiki-transition", "indexdb", $config{wikistatedir}); + system("ikiwiki-transition", "indexdb", $config{srcdir}); open ($in, "<", "$config{wikistatedir}/indexdb") || return; } else { + # gettime on first build + $config{gettime}=1 unless defined $config{gettime}; return; } } - my $ret=Storable::fd_retrieve($in); - if (! defined $ret) { + + my $index=Storable::fd_retrieve($in); + if (! defined $index) { return 0; } - my %index=%$ret; - foreach my $page (keys %index) { - my %d=%{$index{$page}}; - $pagectime{$page}=$d{ctime}; - if (! $config{rebuild}) { - $pagemtime{$page}=$d{mtime}; - $pagesources{$page}=$d{src}; - $renderedfiles{$page}=$d{dest}; - if (exists $d{links} && ref $d{links}) { - $links{$page}=$d{links}; - $oldlinks{$page}=[@{$d{links}}]; + + my $pages; + if (exists $index->{version} && ! ref $index->{version}) { + $pages=$index->{page}; + %wikistate=%{$index->{state}}; + # Handle plugins that got disabled by loading a new setup. + if (exists $config{setupfile}) { + require IkiWiki::Setup; + IkiWiki::Setup::disabled_plugins( + grep { ! $loaded_plugins{$_} } keys %wikistate); + } + } + else { + $pages=$index; + %wikistate=(); + } + + foreach my $src (keys %$pages) { + my $d=$pages->{$src}; + my $page; + if (exists $d->{page} && ! $rebuild) { + $page=$d->{page}; + } + else { + $page=pagename($src); + } + $pagectime{$page}=$d->{ctime}; + $pagesources{$page}=$src; + if (! $rebuild) { + $pagemtime{$page}=$d->{mtime}; + $renderedfiles{$page}=$d->{dest}; + if (exists $d->{links} && ref $d->{links}) { + $links{$page}=$d->{links}; + $oldlinks{$page}=[@{$d->{links}}]; } - if (exists $d{depends}) { - $depends{$page}=$d{depends}; + if (ref $d->{depends_simple} eq 'ARRAY') { + # old format + $depends_simple{$page}={ + map { $_ => 1 } @{$d->{depends_simple}} + }; } - if (exists $d{state}) { - $pagestate{$page}=$d{state}; + elsif (exists $d->{depends_simple}) { + $depends_simple{$page}=$d->{depends_simple}; + } + if (exists $d->{dependslist}) { + # old format + $depends{$page}={ + map { $_ => $DEPEND_CONTENT } + @{$d->{dependslist}} + }; + } + elsif (exists $d->{depends} && ! ref $d->{depends}) { + # old format + $depends{$page}={$d->{depends} => $DEPEND_CONTENT }; + } + elsif (exists $d->{depends}) { + $depends{$page}=$d->{depends}; + } + if (exists $d->{state}) { + $pagestate{$page}=$d->{state}; + } + if (exists $d->{typedlinks}) { + $typedlinks{$page}=$d->{typedlinks}; + + while (my ($type, $links) = each %{$typedlinks{$page}}) { + next unless %$links; + $oldtypedlinks{$page}{$type} = {%$links}; + } } } - $oldrenderedfiles{$page}=[@{$d{dest}}]; + $oldrenderedfiles{$page}=[@{$d->{dest}}]; } foreach my $page (keys %pagesources) { $pagecase{lc $page}=$page; @@ -940,17 +1948,15 @@ sub loadindex () { #{{{ foreach my $page (keys %renderedfiles) { $destsources{$_}=$page foreach @{$renderedfiles{$page}}; } + $lastrev=$index->{lastrev}; + @underlayfiles=@{$index->{underlayfiles}} if ref $index->{underlayfiles}; return close($in); -} #}}} +} -sub saveindex () { #{{{ +sub saveindex () { run_hooks(savestate => sub { shift->() }); - my %hookids; - foreach my $type (keys %hooks) { - $hookids{$_}=1 foreach keys %{$hooks{$type}}; - } - my @hookids=keys %hookids; + my @plugins=keys %loaded_plugins; if (! -d $config{wikistatedir}) { mkdir($config{wikistatedir}); @@ -958,30 +1964,49 @@ sub saveindex () { #{{{ my $newfile="$config{wikistatedir}/indexdb.new"; my $cleanup = sub { unlink($newfile) }; open (my $out, '>', $newfile) || error("cannot write to $newfile: $!", $cleanup); + my %index; foreach my $page (keys %pagemtime) { next unless $pagemtime{$page}; + my $src=$pagesources{$page}; - $index{$page}={ + $index{page}{$src}={ + page => $page, ctime => $pagectime{$page}, mtime => $pagemtime{$page}, - src => $pagesources{$page}, dest => $renderedfiles{$page}, links => $links{$page}, }; if (exists $depends{$page}) { - $index{$page}{depends} = $depends{$page}; + $index{page}{$src}{depends} = $depends{$page}; + } + + if (exists $depends_simple{$page}) { + $index{page}{$src}{depends_simple} = $depends_simple{$page}; + } + + if (exists $typedlinks{$page} && %{$typedlinks{$page}}) { + $index{page}{$src}{typedlinks} = $typedlinks{$page}; } if (exists $pagestate{$page}) { - foreach my $id (@hookids) { - foreach my $key (keys %{$pagestate{$page}{$id}}) { - $index{$page}{state}{$id}{$key}=$pagestate{$page}{$id}{$key}; - } - } + $index{page}{$src}{state}=$pagestate{$page}; + } + } + + $index{state}={}; + foreach my $id (@plugins) { + $index{state}{$id}={}; # used to detect disabled plugins + foreach my $key (keys %{$wikistate{$id}}) { + $index{state}{$id}{$key}=$wikistate{$id}{$key}; } } + + $index{lastrev}=$lastrev; + $index{underlayfiles}=\@underlayfiles; + + $index{version}="3"; my $ret=Storable::nstore_fd(\%index, $out); return if ! defined $ret || ! $ret; close $out || error("failed saving to $newfile: $!", $cleanup); @@ -989,63 +2014,109 @@ sub saveindex () { #{{{ error("failed renaming $newfile to $config{wikistatedir}/indexdb", $cleanup); return 1; -} #}}} +} -sub template_file ($) { #{{{ - my $template=shift; +sub template_file ($) { + my $name=shift; + + my $tpage=($name =~ s/^\///) ? $name : "templates/$name"; + my $template; + if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) { + $template=srcfile($pagesources{$tpage}, 1); + $name.=".tmpl"; + } + else { + $template=srcfile($tpage, 1); + } - foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") { - return "$dir/$template" if -e "$dir/$template"; + if (defined $template) { + return $template, $tpage, 1 if wantarray; + return $template; + } + else { + $name=~s:/::; # avoid path traversal + foreach my $dir ($config{templatedir}, + "$installdir/share/ikiwiki/templates") { + if (-e "$dir/$name") { + $template="$dir/$name"; + last; + } + } + if (defined $template) { + return $template, $tpage if wantarray; + return $template; + } } - return; -} #}}} -sub template_params (@) { #{{{ - my $filename=template_file(shift); + return; +} +sub template_depends ($$;@) { + my $name=shift; + my $page=shift; + + my ($filename, $tpage, $untrusted)=template_file($name); if (! defined $filename) { - return if wantarray; - return ""; + error(sprintf(gettext("template %s not found"), $name)) + } + + if (defined $page && defined $tpage) { + add_depends($page, $tpage); } - my @ret=( + my @opts=( filter => sub { my $text_ref = shift; ${$text_ref} = decode_utf8(${$text_ref}); + run_hooks(readtemplate => sub { + ${$text_ref} = shift->( + id => $name, + page => $tpage, + content => ${$text_ref}, + untrusted => $untrusted, + ); + }); }, - filename => $filename, loop_context_vars => 1, die_on_bad_params => 0, - @_ + parent_global_vars => 1, + filename => $filename, + @_, + ($untrusted ? (no_includes => 1) : ()), ); - return wantarray ? @ret : {@ret}; -} #}}} + return @opts if wantarray; -sub template ($;@) { #{{{ require HTML::Template; - return HTML::Template->new(template_params(@_)); -} #}}} + return HTML::Template->new(@opts); +} -sub misctemplate ($$;@) { #{{{ - my $title=shift; - my $pagebody=shift; - - my $template=template("misc.tmpl"); - $template->param( - title => $title, - indexlink => indexlink(), - wikiname => $config{wikiname}, - pagebody => $pagebody, - baseurl => baseurl(), - @_, - ); - run_hooks(pagetemplate => sub { - shift->(page => "", destpage => "", template => $template); +sub template ($;@) { + template_depends(shift, undef, @_); +} + +sub templateactions ($$) { + my $template=shift; + my $page=shift; + + my $have_actions=0; + my @actions; + run_hooks(pageactions => sub { + push @actions, map { { action => $_ } } + grep { defined } shift->(page => $page); }); - return $template->output; -}#}}} + $template->param(actions => \@actions); -sub hook (@) { # {{{ + if ($config{cgiurl} && exists $hooks{auth}) { + $template->param(prefsurl => cgiurl(do => "prefs")); + $have_actions=1; + } + + if ($have_actions || @actions) { + $template->param(have_actions => 1); + } +} + +sub hook (@) { my %param=@_; if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) { @@ -1056,144 +2127,323 @@ sub hook (@) { # {{{ $hooks{$param{type}}{$param{id}}=\%param; return 1; -} # }}} +} -sub run_hooks ($$) { # {{{ +sub run_hooks ($$) { # Calls the given sub for each hook of the given type, # passing it the hook function to call. my $type=shift; my $sub=shift; if (exists $hooks{$type}) { - my @deferred; + my (@first, @middle, @last); foreach my $id (keys %{$hooks{$type}}) { - if ($hooks{$type}{$id}{last}) { - push @deferred, $id; - next; + if ($hooks{$type}{$id}{first}) { + push @first, $id; + } + elsif ($hooks{$type}{$id}{last}) { + push @last, $id; + } + else { + push @middle, $id; } - $sub->($hooks{$type}{$id}{call}); } - foreach my $id (@deferred) { + foreach my $id (@first, @middle, @last) { $sub->($hooks{$type}{$id}{call}); } } return 1; -} #}}} +} -sub globlist_to_pagespec ($) { #{{{ - my @globlist=split(' ', shift); +sub rcs_update () { + $hooks{rcs}{rcs_update}{call}->(@_); +} - my (@spec, @skip); - foreach my $glob (@globlist) { - if ($glob=~/^!(.*)/) { - push @skip, $glob; - } - else { - push @spec, $glob; - } - } +sub rcs_prepedit ($) { + $hooks{rcs}{rcs_prepedit}{call}->(@_); +} - my $spec=join(' or ', @spec); - if (@skip) { - my $skip=join(' and ', @skip); - if (length $spec) { - $spec="$skip and ($spec)"; - } - else { - $spec=$skip; - } - } - return $spec; -} #}}} +sub rcs_commit (@) { + $hooks{rcs}{rcs_commit}{call}->(@_); +} -sub is_globlist ($) { #{{{ - my $s=shift; - return ( $s =~ /[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or" ); -} #}}} +sub rcs_commit_staged (@) { + $hooks{rcs}{rcs_commit_staged}{call}->(@_); +} -sub safequote ($) { #{{{ - my $s=shift; - $s=~s/[{}]//g; - return "q{$s}"; -} #}}} +sub rcs_add ($) { + $hooks{rcs}{rcs_add}{call}->(@_); +} -sub add_depends ($$) { #{{{ +sub rcs_remove ($) { + $hooks{rcs}{rcs_remove}{call}->(@_); +} + +sub rcs_rename ($$) { + $hooks{rcs}{rcs_rename}{call}->(@_); +} + +sub rcs_recentchanges ($) { + $hooks{rcs}{rcs_recentchanges}{call}->(@_); +} + +sub rcs_diff ($;$) { + $hooks{rcs}{rcs_diff}{call}->(@_); +} + +sub rcs_getctime ($) { + $hooks{rcs}{rcs_getctime}{call}->(@_); +} + +sub rcs_getmtime ($) { + $hooks{rcs}{rcs_getmtime}{call}->(@_); +} + +sub rcs_receive () { + $hooks{rcs}{rcs_receive}{call}->(); +} + +sub add_depends ($$;$) { my $page=shift; my $pagespec=shift; - - return unless pagespec_valid($pagespec); - - if (! exists $depends{$page}) { - $depends{$page}=$pagespec; - } - else { - $depends{$page}=pagespec_merge($depends{$page}, $pagespec); + my $deptype=shift || $DEPEND_CONTENT; + + # Is the pagespec a simple page name? + if ($pagespec =~ /$config{wiki_file_regexp}/ && + $pagespec !~ /[\s*?()!]/) { + $depends_simple{$page}{lc $pagespec} |= $deptype; + return 1; + } + + # Add explicit dependencies for influences. + my $sub=pagespec_translate($pagespec); + return unless defined $sub; + foreach my $p (keys %pagesources) { + my $r=$sub->($p, location => $page); + my $i=$r->influences; + my $static=$r->influences_static; + foreach my $k (keys %$i) { + next unless $r || $static || $k eq $page; + $depends_simple{$page}{lc $k} |= $i->{$k}; + } + last if $static; } + $depends{$page}{$pagespec} |= $deptype; return 1; -} # }}} +} -sub file_pruned ($$) { #{{{ - require File::Spec; - my $file=File::Spec->canonpath(shift); - my $base=File::Spec->canonpath(shift); - $file =~ s#^\Q$base\E/+##; +sub deptype (@) { + my $deptype=0; + foreach my $type (@_) { + if ($type eq 'presence') { + $deptype |= $DEPEND_PRESENCE; + } + elsif ($type eq 'links') { + $deptype |= $DEPEND_LINKS; + } + elsif ($type eq 'content') { + $deptype |= $DEPEND_CONTENT; + } + } + return $deptype; +} + +my $file_prune_regexp; +sub file_pruned ($) { + my $file=shift; - my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')'; - return $file =~ m/$regexp/ && $file ne $base; -} #}}} + if (defined $config{include} && length $config{include}) { + return 0 if $file =~ m/$config{include}/; + } + + if (! defined $file_prune_regexp) { + $file_prune_regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')'; + $file_prune_regexp=qr/$file_prune_regexp/; + } + return $file =~ m/$file_prune_regexp/; +} -sub gettext { #{{{ - # Only use gettext in the rare cases it's needed. +sub define_gettext () { + # If translation is needed, redefine the gettext function to do it. + # Otherwise, it becomes a quick no-op. + my $gettext_obj; + my $getobj; if ((exists $ENV{LANG} && length $ENV{LANG}) || (exists $ENV{LC_ALL} && length $ENV{LC_ALL}) || (exists $ENV{LC_MESSAGES} && length $ENV{LC_MESSAGES})) { - if (! $gettext_obj) { + $getobj=sub { $gettext_obj=eval q{ use Locale::gettext q{textdomain}; Locale::gettext->domain('ikiwiki') }; - if ($@) { - print STDERR "$@"; - $gettext_obj=undef; - return shift; - } - } - return $gettext_obj->get(shift); + }; } - else { - return shift; + + no warnings 'redefine'; + *gettext=sub { + $getobj->() if $getobj; + if ($gettext_obj) { + $gettext_obj->get(shift); + } + else { + return shift; + } + }; + *ngettext=sub { + $getobj->() if $getobj; + if ($gettext_obj) { + $gettext_obj->nget(@_); + } + else { + return ($_[2] == 1 ? $_[0] : $_[1]) + } + }; +} + +sub gettext { + define_gettext(); + gettext(@_); +} + +sub ngettext { + define_gettext(); + ngettext(@_); +} + +sub yesno ($) { + my $val=shift; + + return (defined $val && (lc($val) eq gettext("yes") || lc($val) eq "yes" || $val eq "1")); +} + +sub inject { + # Injects a new function into the symbol table to replace an + # exported function. + my %params=@_; + + # This is deep ugly perl foo, beware. + no strict; + no warnings; + if (! defined $params{parent}) { + $params{parent}='::'; + $params{old}=\&{$params{name}}; + $params{name}=~s/.*:://; + } + my $parent=$params{parent}; + foreach my $ns (grep /^\w+::/, keys %{$parent}) { + $ns = $params{parent} . $ns; + inject(%params, parent => $ns) unless $ns eq '::main::'; + *{$ns . $params{name}} = $params{call} + if exists ${$ns}{$params{name}} && + \&{${$ns}{$params{name}}} == $params{old}; + } + use strict; + use warnings; +} + +sub add_link ($$;$) { + my $page=shift; + my $link=shift; + my $type=shift; + + push @{$links{$page}}, $link + unless grep { $_ eq $link } @{$links{$page}}; + + if (defined $type) { + $typedlinks{$page}{$type}{$link} = 1; } -} #}}} +} -sub pagespec_merge ($$) { #{{{ - my $a=shift; - my $b=shift; +sub add_autofile ($$$) { + my $file=shift; + my $plugin=shift; + my $generator=shift; + + $autofiles{$file}{plugin}=$plugin; + $autofiles{$file}{generator}=$generator; +} + +sub useragent () { + return LWP::UserAgent->new( + cookie_jar => $config{cookiejar}, + env_proxy => 1, # respect proxy env vars + agent => $config{useragent}, + ); +} + +sub sortspec_translate ($$) { + my $spec = shift; + my $reverse = shift; + + my $code = ""; + my @data; + while ($spec =~ m{ + \s* + (-?) # group 1: perhaps negated + \s* + ( # group 2: a word + \w+\([^\)]*\) # command(params) + | + [^\s]+ # or anything else + ) + \s* + }gx) { + my $negated = $1; + my $word = $2; + my $params = undef; + + if ($word =~ m/^(\w+)\((.*)\)$/) { + # command with parameters + $params = $2; + $word = $1; + } + elsif ($word !~ m/^\w+$/) { + error(sprintf(gettext("invalid sort type %s"), $word)); + } - return $a if $a eq $b; + if (length $code) { + $code .= " || "; + } - # Support for old-style GlobLists. - if (is_globlist($a)) { - $a=globlist_to_pagespec($a); - } - if (is_globlist($b)) { - $b=globlist_to_pagespec($b); - } + if ($negated) { + $code .= "-"; + } - return "($a) or ($b)"; -} #}}} + if (exists $IkiWiki::SortSpec::{"cmp_$word"}) { + if (defined $params) { + push @data, $params; + $code .= "IkiWiki::SortSpec::cmp_$word(\$data[$#data])"; + } + else { + $code .= "IkiWiki::SortSpec::cmp_$word(undef)"; + } + } + else { + error(sprintf(gettext("unknown sort type %s"), $word)); + } + } -sub pagespec_translate ($) { #{{{ - my $spec=shift; + if (! length $code) { + # undefined sorting method... sort arbitrarily + return sub { 0 }; + } - # Support for old-style GlobLists. - if (is_globlist($spec)) { - $spec=globlist_to_pagespec($spec); + if ($reverse) { + $code="-($code)"; } + no warnings; + return eval 'sub { '.$code.' }'; +} + +sub pagespec_translate ($) { + my $spec=shift; + # Convert spec to perl code. my $code=""; + my @data; while ($spec=~m{ \s* # ignore whitespace ( # 1: match a single word @@ -1208,34 +2458,42 @@ sub pagespec_translate ($) { #{{{ [^\s()]+ # any other text ) \s* # ignore whitespace - }igx) { + }gx) { my $word=$1; if (lc $word eq 'and') { - $code.=' &&'; + $code.=' &'; } elsif (lc $word eq 'or') { - $code.=' ||'; + $code.=' |'; } elsif ($word eq "(" || $word eq ")" || $word eq "!") { $code.=' '.$word; } elsif ($word =~ /^(\w+)\((.*)\)$/) { if (exists $IkiWiki::PageSpec::{"match_$1"}) { - $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \@_)"; + push @data, $2; + $code.="IkiWiki::PageSpec::match_$1(\$page, \$data[$#data], \@_)"; } else { - $code.=' 0'; + push @data, qq{unknown function in pagespec "$word"}; + $code.="IkiWiki::ErrorReason->new(\$data[$#data])"; } } else { - $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@_)"; + push @data, $word; + $code.=" IkiWiki::PageSpec::match_glob(\$page, \$data[$#data], \@_)"; } } + if (! length $code) { + $code="IkiWiki::FailReason->new('empty pagespec')"; + } + + no warnings; return eval 'sub { my $page=shift; '.$code.' }'; -} #}}} +} -sub pagespec_match ($$;@) { #{{{ +sub pagespec_match ($$;@) { my $page=shift; my $spec=shift; my @params=@_; @@ -1246,65 +2504,281 @@ sub pagespec_match ($$;@) { #{{{ } my $sub=pagespec_translate($spec); - return IkiWiki::FailReason->new('syntax error') if $@; + return IkiWiki::ErrorReason->new("syntax error in pagespec \"$spec\"") + if ! defined $sub; return $sub->($page, @params); -} #}}} +} + +# e.g. @pages = sort_pages("title", \@pages, reverse => "yes") +# +# Not exported yet, but could be in future if it is generally useful. +# Note that this signature is not the same as IkiWiki::SortSpec::sort_pages, +# which is "more internal". +sub sort_pages ($$;@) { + my $sort = shift; + my $list = shift; + my %params = @_; + $sort = sortspec_translate($sort, $params{reverse}); + return IkiWiki::SortSpec::sort_pages($sort, @$list); +} + +sub pagespec_match_list ($$;@) { + my $page=shift; + my $pagespec=shift; + my %params=@_; + + # Backwards compatability with old calling convention. + if (ref $page) { + print STDERR "warning: a plugin (".caller().") is using pagespec_match_list in an obsolete way, and needs to be updated\n"; + $params{list}=$page; + $page=$params{location}; # ugh! + } -sub pagespec_valid ($) { #{{{ + my $sub=pagespec_translate($pagespec); + error "syntax error in pagespec \"$pagespec\"" + if ! defined $sub; + my $sort=sortspec_translate($params{sort}, $params{reverse}) + if defined $params{sort}; + + my @candidates; + if (exists $params{list}) { + @candidates=exists $params{filter} + ? grep { ! $params{filter}->($_) } @{$params{list}} + : @{$params{list}}; + } + else { + @candidates=exists $params{filter} + ? grep { ! $params{filter}->($_) } keys %pagesources + : keys %pagesources; + } + + # clear params, remainder is passed to pagespec + $depends{$page}{$pagespec} |= ($params{deptype} || $DEPEND_CONTENT); + my $num=$params{num}; + delete @params{qw{num deptype reverse sort filter list}}; + + # when only the top matches will be returned, it's efficient to + # sort before matching to pagespec, + if (defined $num && defined $sort) { + @candidates=IkiWiki::SortSpec::sort_pages( + $sort, @candidates); + } + + my @matches; + my $firstfail; + my $count=0; + my $accum=IkiWiki::SuccessReason->new(); + foreach my $p (@candidates) { + my $r=$sub->($p, %params, location => $page); + error(sprintf(gettext("cannot match pages: %s"), $r)) + if $r->isa("IkiWiki::ErrorReason"); + unless ($r || $r->influences_static) { + $r->remove_influence($p); + } + $accum |= $r; + if ($r) { + push @matches, $p; + last if defined $num && ++$count == $num; + } + } + + # Add simple dependencies for accumulated influences. + my $i=$accum->influences; + foreach my $k (keys %$i) { + $depends_simple{$page}{lc $k} |= $i->{$k}; + } + + # when all matches will be returned, it's efficient to + # sort after matching + if (! defined $num && defined $sort) { + return IkiWiki::SortSpec::sort_pages( + $sort, @matches); + } + else { + return @matches; + } +} + +sub pagespec_valid ($) { my $spec=shift; - my $sub=pagespec_translate($spec); - return ! $@; -} #}}} + return defined pagespec_translate($spec); +} + +sub glob2re ($) { + my $re=quotemeta(shift); + $re=~s/\\\*/.*/g; + $re=~s/\\\?/./g; + return qr/^$re$/i; +} package IkiWiki::FailReason; -use overload ( #{{{ - '""' => sub { ${$_[0]} }, +use overload ( + '""' => sub { $_[0][0] }, '0+' => sub { 0 }, '!' => sub { bless $_[0], 'IkiWiki::SuccessReason'}, + '&' => sub { $_[0]->merge_influences($_[1], 1); $_[0] }, + '|' => sub { $_[1]->merge_influences($_[0]); $_[1] }, fallback => 1, -); #}}} +); -sub new { #{{{ - return bless \$_[1], $_[0]; -} #}}} +our @ISA = 'IkiWiki::SuccessReason'; package IkiWiki::SuccessReason; -use overload ( #{{{ - '""' => sub { ${$_[0]} }, +# A blessed array-ref: +# +# [0]: human-readable reason for success (or, in FailReason subclass, failure) +# [1]{""}: +# - if absent or false, the influences of this evaluation are "static", +# see the influences_static method +# - if true, they are dynamic (not static) +# [1]{any other key}: +# the dependency types of influences, as returned by the influences method + +use overload ( + # in string context, it's the human-readable reason + '""' => sub { $_[0][0] }, + # in boolean context, SuccessReason is 1 and FailReason is 0 '0+' => sub { 1 }, + # negating a result gives the opposite result with the same influences '!' => sub { bless $_[0], 'IkiWiki::FailReason'}, + # A & B = (A ? B : A) with the influences of both + '&' => sub { $_[1]->merge_influences($_[0], 1); $_[1] }, + # A | B = (A ? A : B) with the influences of both + '|' => sub { $_[0]->merge_influences($_[1]); $_[0] }, fallback => 1, -); #}}} +); + +# SuccessReason->new("human-readable reason", page => deptype, ...) + +sub new { + my $class = shift; + my $value = shift; + return bless [$value, {@_}], $class; +} + +# influences(): return a reference to a copy of the hash +# { page => dependency type } describing the pages that indirectly influenced +# this result, but would not cause a dependency through ikiwiki's core +# dependency logic. +# +# See [[todo/dependency_types]] for extensive discussion of what this means. +# +# influences(page => deptype, ...): remove all influences, replace them +# with the arguments, and return a reference to a copy of the new influences. + +sub influences { + my $this=shift; + $this->[1]={@_} if @_; + my %i=%{$this->[1]}; + delete $i{""}; + return \%i; +} + +# True if this result has the same influences whichever page it matches, +# For instance, whether bar matches backlink(foo) is influenced only by +# the set of links in foo, so its only influence is { foo => DEPEND_LINKS }, +# which does not mention bar anywhere. +# +# False if this result would have different influences when matching +# different pages. For instance, when testing whether link(foo) matches bar, +# { bar => DEPEND_LINKS } is an influence on that result, because changing +# bar's links could change the outcome; so its influences are not the same +# as when testing whether link(foo) matches baz. +# +# Static influences are one of the things that make pagespec_match_list +# more efficient than repeated calls to pagespec_match. + +sub influences_static { + return ! $_[0][1]->{""}; +} + +# Change the influences of $this to be the influences of "$this & $other" +# or "$this | $other". +# +# If both $this and $other are either successful or have influences, +# or this is an "or" operation, the result has all the influences from +# either of the arguments. It has dynamic influences if either argument +# has dynamic influences. +# +# If this is an "and" operation, and at least one argument is a +# FailReason with no influences, the result has no influences, and they +# are not dynamic. For instance, link(foo) matching bar is influenced +# by bar, but enabled(ddate) has no influences. Suppose ddate is disabled; +# then (link(foo) and enabled(ddate)) not matching bar is not influenced by +# bar, because it would be false however often you edit bar. + +sub merge_influences { + my $this=shift; + my $other=shift; + my $anded=shift; + + # This "if" is odd because it needs to avoid negating $this + # or $other, which would alter the objects in-place. Be careful. + if (! $anded || (($this || %{$this->[1]}) && + ($other || %{$other->[1]}))) { + foreach my $influence (keys %{$other->[1]}) { + $this->[1]{$influence} |= $other->[1]{$influence}; + } + } + else { + # influence blocker + $this->[1]={}; + } +} + +# Change $this so it is not considered to be influenced by $torm. + +sub remove_influence { + my $this=shift; + my $torm=shift; -sub new { #{{{ - return bless \$_[1], $_[0]; -}; #}}} + delete $this->[1]{$torm}; +} + +package IkiWiki::ErrorReason; + +our @ISA = 'IkiWiki::FailReason'; package IkiWiki::PageSpec; -sub match_glob ($$;@) { #{{{ +sub derel ($$) { + my $path=shift; + my $from=shift; + + if ($path =~ m!^\.(/|$)!) { + if ($1) { + $from=~s#/?[^/]+$## if defined $from; + $path=~s#^\./##; + $path="$from/$path" if defined $from && length $from; + } + else { + $path = $from; + $path = "" unless defined $path; + } + } + + return $path; +} + +my %glob_cache; + +sub match_glob ($$;@) { my $page=shift; my $glob=shift; my %params=@_; - my $from=exists $params{location} ? $params{location} : ''; - - # relative matching - if ($glob =~ m!^\./!) { - $from=~s#/?[^/]+$##; - $glob=~s#^\./##; - $glob="$from/$glob" if length $from; - } + $glob=derel($glob, $params{location}); - # turn glob into safe regexp - $glob=quotemeta($glob); - $glob=~s/\\\*/.*/g; - $glob=~s/\\\?/./g; - - if ($page=~/^$glob$/i) { + # Instead of converting the glob to a regex every time, + # cache the compiled regex to save time. + my $re=$glob_cache{$glob}; + unless (defined $re) { + $glob_cache{$glob} = $re = IkiWiki::glob2re($glob); + } + if ($page =~ $re) { if (! IkiWiki::isinternal($page) || $params{internal}) { return IkiWiki::SuccessReason->new("$glob matches $page"); } @@ -1315,105 +2789,238 @@ sub match_glob ($$;@) { #{{{ else { return IkiWiki::FailReason->new("$glob does not match $page"); } -} #}}} +} -sub match_internal ($$;@) { #{{{ - return match_glob($_[0], $_[1], @_, internal => 1) -} #}}} +sub match_internal ($$;@) { + return match_glob(shift, shift, @_, internal => 1) +} + +sub match_page ($$;@) { + my $page=shift; + my $match=match_glob($page, shift, @_); + if ($match) { + my $source=exists $IkiWiki::pagesources{$page} ? + $IkiWiki::pagesources{$page} : + $IkiWiki::delpagesources{$page}; + my $type=defined $source ? IkiWiki::pagetype($source) : undef; + if (! defined $type) { + return IkiWiki::FailReason->new("$page is not a page"); + } + } + return $match; +} -sub match_link ($$;@) { #{{{ +sub match_link ($$;@) { my $page=shift; my $link=lc(shift); my %params=@_; + $link=derel($link, $params{location}); my $from=exists $params{location} ? $params{location} : ''; - - # relative matching - if ($link =~ m!^\.! && defined $from) { - $from=~s#/?[^/]+$##; - $link=~s#^\./##; - $link="$from/$link" if length $from; + my $linktype=$params{linktype}; + my $qualifier=''; + if (defined $linktype) { + $qualifier=" with type $linktype"; } my $links = $IkiWiki::links{$page}; - return IkiWiki::FailReason->new("$page has no links") unless $links && @{$links}; + return IkiWiki::FailReason->new("$page has no links", $page => $IkiWiki::DEPEND_LINKS, "" => 1) + unless $links && @{$links}; my $bestlink = IkiWiki::bestlink($from, $link); foreach my $p (@{$links}) { + next unless (! defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}); + if (length $bestlink) { - return IkiWiki::SuccessReason->new("$page links to $link") - if $bestlink eq IkiWiki::bestlink($page, $p); + if ($bestlink eq IkiWiki::bestlink($page, $p)) { + return IkiWiki::SuccessReason->new("$page links to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1) + } } else { - return IkiWiki::SuccessReason->new("$page links to page $p matching $link") - if match_glob($p, $link, %params); + if (match_glob($p, $link, %params)) { + return IkiWiki::SuccessReason->new("$page links to page $p$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1) + } + my ($p_rel)=$p=~/^\/?(.*)/; + $link=~s/^\///; + if (match_glob($p_rel, $link, %params)) { + return IkiWiki::SuccessReason->new("$page links to page $p_rel$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1) + } } } - return IkiWiki::FailReason->new("$page does not link to $link"); -} #}}} + return IkiWiki::FailReason->new("$page does not link to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1); +} -sub match_backlink ($$;@) { #{{{ - return match_link($_[1], $_[0], @_); -} #}}} +sub match_backlink ($$;@) { + my $page=shift; + my $testpage=shift; + my %params=@_; + if ($testpage eq '.') { + $testpage = $params{'location'} + } + my $ret=match_link($testpage, $page, @_); + $ret->influences($testpage => $IkiWiki::DEPEND_LINKS); + return $ret; +} -sub match_created_before ($$;@) { #{{{ +sub match_created_before ($$;@) { my $page=shift; my $testpage=shift; + my %params=@_; + + $testpage=derel($testpage, $params{location}); if (exists $IkiWiki::pagectime{$testpage}) { if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) { - return IkiWiki::SuccessReason->new("$page created before $testpage"); + return IkiWiki::SuccessReason->new("$page created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } else { - return IkiWiki::FailReason->new("$page not created before $testpage"); + return IkiWiki::FailReason->new("$page not created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } } else { - return IkiWiki::FailReason->new("$testpage has no ctime"); + return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE); } -} #}}} +} -sub match_created_after ($$;@) { #{{{ +sub match_created_after ($$;@) { my $page=shift; my $testpage=shift; + my %params=@_; + + $testpage=derel($testpage, $params{location}); if (exists $IkiWiki::pagectime{$testpage}) { if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) { - return IkiWiki::SuccessReason->new("$page created after $testpage"); + return IkiWiki::SuccessReason->new("$page created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } else { - return IkiWiki::FailReason->new("$page not created after $testpage"); + return IkiWiki::FailReason->new("$page not created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } } else { - return IkiWiki::FailReason->new("$testpage has no ctime"); + return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE); } -} #}}} +} -sub match_creation_day ($$;@) { #{{{ - if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) { +sub match_creation_day ($$;@) { + my $page=shift; + my $d=shift; + if ($d !~ /^\d+$/) { + return IkiWiki::ErrorReason->new("invalid day $d"); + } + if ((localtime($IkiWiki::pagectime{$page}))[3] == $d) { return IkiWiki::SuccessReason->new('creation_day matched'); } else { return IkiWiki::FailReason->new('creation_day did not match'); } -} #}}} +} -sub match_creation_month ($$;@) { #{{{ - if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) { +sub match_creation_month ($$;@) { + my $page=shift; + my $m=shift; + if ($m !~ /^\d+$/) { + return IkiWiki::ErrorReason->new("invalid month $m"); + } + if ((localtime($IkiWiki::pagectime{$page}))[4] + 1 == $m) { return IkiWiki::SuccessReason->new('creation_month matched'); } else { return IkiWiki::FailReason->new('creation_month did not match'); } -} #}}} +} -sub match_creation_year ($$;@) { #{{{ - if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) { +sub match_creation_year ($$;@) { + my $page=shift; + my $y=shift; + if ($y !~ /^\d+$/) { + return IkiWiki::ErrorReason->new("invalid year $y"); + } + if ((localtime($IkiWiki::pagectime{$page}))[5] + 1900 == $y) { return IkiWiki::SuccessReason->new('creation_year matched'); } else { return IkiWiki::FailReason->new('creation_year did not match'); } -} #}}} +} + +sub match_user ($$;@) { + shift; + my $user=shift; + my %params=@_; + + if (! exists $params{user}) { + return IkiWiki::ErrorReason->new("no user specified"); + } + + my $regexp=IkiWiki::glob2re($user); + + if (defined $params{user} && $params{user}=~$regexp) { + return IkiWiki::SuccessReason->new("user is $user"); + } + elsif (! defined $params{user}) { + return IkiWiki::FailReason->new("not logged in"); + } + else { + return IkiWiki::FailReason->new("user is $params{user}, not $user"); + } +} + +sub match_admin ($$;@) { + shift; + shift; + my %params=@_; + + if (! exists $params{user}) { + return IkiWiki::ErrorReason->new("no user specified"); + } + + if (defined $params{user} && IkiWiki::is_admin($params{user})) { + return IkiWiki::SuccessReason->new("user is an admin"); + } + elsif (! defined $params{user}) { + return IkiWiki::FailReason->new("not logged in"); + } + else { + return IkiWiki::FailReason->new("user is not an admin"); + } +} + +sub match_ip ($$;@) { + shift; + my $ip=shift; + my %params=@_; + + if (! exists $params{ip}) { + return IkiWiki::ErrorReason->new("no IP specified"); + } + + my $regexp=IkiWiki::glob2re(lc $ip); + + if (defined $params{ip} && lc $params{ip}=~$regexp) { + return IkiWiki::SuccessReason->new("IP is $ip"); + } + else { + return IkiWiki::FailReason->new("IP is $params{ip}, not $ip"); + } +} + +package IkiWiki::SortSpec; + +# This is in the SortSpec namespace so that the $a and $b that sort() uses +# are easily available in this namespace, for cmp functions to use them. +sub sort_pages { + my $f=shift; + sort $f @_ +} + +sub cmp_title { + IkiWiki::pagetitle(IkiWiki::basename($a)) + cmp + IkiWiki::pagetitle(IkiWiki::basename($b)) +} + +sub cmp_path { IkiWiki::pagetitle($a) cmp IkiWiki::pagetitle($b) } +sub cmp_mtime { $IkiWiki::pagemtime{$b} <=> $IkiWiki::pagemtime{$a} } +sub cmp_age { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} } 1