+use Encode;
+use HTML::Entities;
+use URI::Escape q{uri_escape_utf8};
+use POSIX;
+use Storable;
+use open qw{:utf8 :std};
+
+use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase
+ %pagestate %wikistate %renderedfiles %oldrenderedfiles
+ %pagesources %destsources %depends %depends_simple %hooks
+ %forcerebuild %loaded_plugins};
+
+use Exporter q{import};
+our @EXPORT = qw(hook debug error template htmlpage deptype
+ add_depends pagespec_match pagespec_match_list bestlink
+ htmllink readfile writefile pagetype srcfile pagename
+ displaytime will_render gettext urlto targetpage
+ add_underlay pagetitle titlepage linkpage newpagefile
+ inject add_link
+ %config %links %pagestate %wikistate %renderedfiles
+ %pagesources %destsources);
+our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
+our $version='unknown'; # VERSION_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 $DEPEND_LINKS=4;
+
+# Optimisation.
+use Memoize;
+memoize("abs2rel");
+memoize("pagespec_translate");
+memoize("template_file");
+
+sub getsetup () {
+ wikiname => {
+ type => "string",
+ default => "wiki",
+ description => "name of the wiki",
+ safe => 1,
+ rebuild => 1,
+ },
+ adminemail => {
+ type => "string",
+ default => undef,
+ example => 'me@example.com',
+ description => "contact email for wiki",
+ safe => 1,
+ rebuild => 0,
+ },
+ adminuser => {
+ type => "string",
+ default => [],
+ description => "users who are wiki admins",
+ safe => 1,
+ rebuild => 0,
+ },
+ banned_users => {
+ type => "string",
+ default => [],
+ description => "users who are banned from the wiki",
+ safe => 1,
+ rebuild => 0,
+ },
+ srcdir => {
+ type => "string",
+ default => undef,
+ example => "$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,
+ },
+ 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,
+ },
+ 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}],
+ 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 => "$installdir/share/ikiwiki/templates",
+ description => "location of template files",
+ advanced => 1,
+ safe => 0, # path
+ rebuild => 1,
+ },
+ templatedirs => {
+ type => "internal",
+ default => [],
+ description => "additional directories containing template files",
+ safe => 0,
+ rebuild => 0,
+ },
+ underlaydir => {
+ type => "string",
+ default => "$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,
+ },
+ 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 => "integer",
+ example => "022",
+ description => "force ikiwiki to use a particular umask",
+ 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,
+ },
+ exclude => {
+ type => "string",
+ default => undef,
+ example => '\.wav$',
+ description => "regexp of source files to ignore",
+ advanced => 1,
+ safe => 0, # regexp
+ rebuild => 1,
+ },
+ wiki_file_prune_regexps => {
+ type => "internal",
+ default => [qr/(^|\/)\.\.(\/|$)/, 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,
+ },
+ 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,
+ },
+ getctime => {
+ type => "internal",
+ default => 0,
+ description => "running in getctime 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,
+ },
+ allow_symlinks_before_srcdir => {
+ type => "boolean",
+ default => 0,
+ description => "allow symlinks in the path leading to the srcdir (potentially insecure)",
+ safe => 0,
+ rebuild => 0,
+ },
+}
+
+sub defaultconfig () {
+ my %s=getsetup();
+ my @ret;
+ foreach my $key (keys %s) {
+ push @ret, $key, $s{$key}->{default};