X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/14b49376dc03672f896e5f1df3945a718a39d5a0..2cc390e6c08048b03535c72073227bcbfe23c250:/doc/plugins/po.mdwn diff --git a/doc/plugins/po.mdwn b/doc/plugins/po.mdwn index 7165015ab..de69ad379 100644 --- a/doc/plugins/po.mdwn +++ b/doc/plugins/po.mdwn @@ -5,6 +5,8 @@ This plugin adds support for multi-lingual wikis, translated with gettext, using [po4a](http://po4a.alioth.debian.org/). It depends on the Perl `Locale::Po4a::Po` library (`apt-get install po4a`). +As detailed bellow in the security section, `po4a` is subject to +denial-of-service attacks before version 0.35. [[!toc levels=2]] @@ -47,15 +49,15 @@ Supported languages `po_master_language` is used to set the "master" language in `ikiwiki.setup`, such as: - po_master_language => { 'code' => 'en', 'name' => 'English' } + po_master_language: en|English `po_slave_languages` is used to set the list of supported "slave" languages, such as: - po_slave_languages => { 'fr' => 'Français', - 'es' => 'Castellano', - 'de' => 'Deutsch', - } + po_slave_languages: + - fr|Français + - es|Español + - de|Deutsch Decide which pages are translatable ----------------------------------- @@ -70,17 +72,19 @@ worry about excluding them explicitly from this [[ikiwiki/PageSpec]]. Internal links -------------- +### Links targets + The `po_link_to` option in `ikiwiki.setup` is used to decide how internal links should be generated, depending on web server features and site-specific preferences. -### Default linking behavior +#### Default linking behavior If `po_link_to` is unset, or set to `default`, ikiwiki's default linking behavior is preserved: `\[[destpage]]` links to the master language's page. -### Link to current language +#### Link to current language If `po_link_to` is set to `current`, `\[[destpage]]` links to the `destpage`'s version written in the current page's language, if @@ -89,7 +93,7 @@ available, *i.e.*: * `foo/destpage/index.LL.html` if `usedirs` is enabled * `foo/destpage.LL.html` if `usedirs` is disabled -### Link to negotiated language +#### Link to negotiated language If `po_link_to` is set to `negotiated`, `\[[page]]` links to the negotiated preferred language, *i.e.* `foo/page/`. @@ -102,7 +106,6 @@ negotiated preferred language, *i.e.* `foo/page/`. * if the web server does not support Content Negotiation, setting `po_link_to` to `negotiated` will produce a unusable website. - Server support ============== @@ -111,23 +114,28 @@ Apache Using Apache `mod_negotiation` makes it really easy to have Apache serve any page in the client's preferred language, if available. -This is the default Debian Apache configuration. -When `usedirs` is enabled, one has to set `DirectoryIndex index` for -the wiki context. +Add 'Options MultiViews' to the wiki directory's configuration in Apache. + +When `usedirs` is enabled, you should also set `DirectoryIndex index`. + +These settings are also recommended, in order to avoid serving up rss files +as index pages: -Setting `DefaultLanguage LL` (replace `LL` with your default MIME -language code) for the wiki context can help to ensure -`bla/page/index.en.html` is served as `Content-Language: LL`. + AddType application/rss+xml;qs=0.8 .rss + AddType application/atom+xml;qs=0.8 .atom + +For details, see [Apache's documentation](http://httpd.apache.org/docs/2.2/content-negotiation.html). lighttpd -------- -lighttpd unfortunately does not support content negotiation. +Recent versions of lighttpd should be able to use +`$HTTP["language"]` to configure the translated pages to be served. -**FIXME**: does `mod_magnet` provide the functionality needed to - emulate this? +See [Lighttpd Issue](http://redmine.lighttpd.net/issues/show/1119) +TODO: Example Usage ===== @@ -142,29 +150,17 @@ the wiki homepage. The `ISTRANSLATION` and `ISTRANSLATABLE` variables can be used to display things only on translatable or translation pages. +The `LANG_CODE` and `LANG_NAME` variables can respectively be used to +display the current page's language code and pretty name. + ### Display page's versions in other languages The `OTHERLANGUAGES` loop provides ways to display other languages' versions of the same page, and the translations' status. -One typically adds the following code to `templates/page.tmpl`: - - -
- -
- - -The following variables are available inside the loop (for every page in): +An example of its use can be found in the default +`templates/page.tmpl`. In case you want to customize it, the following +variables are available inside the loop (for every page in): * `URL` - url to the page * `CODE` - two-letters language code @@ -175,15 +171,8 @@ The following variables are available inside the loop (for every page in): ### Display the current translation status The `PERCENTTRANSLATED` variable is set to the translation -completeness, expressed in percent, on "slave" pages. - -One can use it this way: - - -
- -
- +completeness, expressed in percent, on "slave" pages. It is used by +the default `templates/page.tmpl`. Additional PageSpec tests ------------------------- @@ -213,7 +202,7 @@ enabled, "slave" pages therefore link to the "master" page's discussion page. Likewise, "slave" pages are not supposed to have sub-pages; -[[WikiLinks|wikilink]] that appear on a "slave" page therefore link to +[[WikiLinks|ikiwiki/wikilink]] that appear on a "slave" page therefore link to the master page's sub-pages. Translating @@ -228,81 +217,44 @@ preferred `$EDITOR`, without needing to be online. Markup languages support ------------------------ -Markdown is well supported. Some other markup languages supported by -ikiwiki mostly work, but some pieces of syntax are not rendered -correctly on the slave pages: +[[Markdown|mdwn]] and [[html]] are well supported. Some other markup +languages supported by ikiwiki mostly work, but some pieces of syntax +are not rendered correctly on the slave pages: * [[reStructuredText|rst]]: anonymous hyperlinks and internal cross-references * [[wikitext]]: conversion of newlines to paragraphs * [[creole]]: verbatim text is wrapped, tables are broken -* [[html]] and LaTeX: not supported yet; the dedicated po4a modules - could be used to support them, but they would need a security audit +* LaTeX: not supported yet; the dedicated po4a module + could be used to support it, but it would need a security audit * other markup languages have not been tested. +Renaming a page +--------------- + +A translatable page may be renamed using the web interface and the +[[rename plugin|doc/plugins/rename]], or using the VCS directly; in +the latter case, *both* the "master" page and every corresponding +`.po` file must be renamed in the same commit. + Security ======== -[[./security]] contains a detailed security analysis of this plugin +[[po/discussion]] contains a detailed security analysis of this plugin and its dependencies. When using po4a older than 0.35, it is recommended to uninstall `Text::WrapI18N` (Debian package `libtext-wrapi18n-perl`), in order to avoid a potential denial of service. -TODO +BUGS ==== -Better links ------------- - -### Page title in links - -Using the fix to -[[bugs/pagetitle_function_does_not_respect_meta_titles]] from -[[intrigeri]]'s `meta` branch, the generated links' text is based on -the page titles set with the [[meta|plugins/meta]] plugin. This has to -be merged into ikiwiki upstream, though. +[[!inline pages="bugs/po:* and !bugs/done and !link(bugs/done) and !bugs/*/*" +feeds=no actions=no archive=yes show=0]] -Robustness tests ----------------- - -### Enabling/disabling the plugin - -* enabling the plugin with `po_translatable_pages` set to blacklist: **OK** -* enabling the plugin with `po_translatable_pages` set to whitelist: **OK** -* enabling the plugin without `po_translatable_pages` set: **OK** -* disabling the plugin: **OK** - -### Changing the plugin config - -* adding existing pages to `po_translatable_pages`: **OK** -* removing existing pages from `po_translatable_pages`: **OK** -* adding a language to `po_slave_languages`: **OK** -* removing a language from `po_slave_languages`: **OK** -* changing `po_master_language`: **OK** -* replacing `po_master_language` with a language previously part of - `po_slave_languages`: needs two rebuilds, but **OK** (this is quite - a perverse test actually) - -### Creating/deleting/renaming pages - -All cases of master/slave page creation/deletion/rename, both via RCS -and via CGI, have been tested. - -### Misc - -* general test with `usedirs` disabled: **OK** -* general test with `indexpages` enabled: **not OK** -* general test with `po_link_to=default` with `userdirs` enabled: **OK** -* general test with `po_link_to=default` with `userdirs` disabled: **OK** - -Misc. bugs ----------- - -Documentation -------------- +TODO +==== -Maybe write separate documentation depending on the people it targets: -translators, wiki administrators, hackers. This plugin may be complex -enough to deserve this. +[[!inline pages="todo/po:* and !todo/done and !link(todo/done) and !todo/*/*" +feeds=no actions=no archive=yes show=0]]