" . htmlesc($ste->vars["current"]["article"]["title"]) . "

object to an array, so it can be accessed via a STE template. * * Parameters: * $article -

object. * $lang - The current language. * * Returns: * Array with these fields: * * id * * urlname * * fullurl * * title * * text * * excerpt * * custom (array: name=>value) * * status (numeric) * * section (sub-fields: ) * * timestamp * * tags (array(sub-fields: )) * * languages (array: language name=>url) * * comments_allowed * * __obj - Useful for plugins, so they do not need to fetch the object from the database again. */ function article_transform_ste($article, $lang) { global $rel_path_to_root; $languages = []; $a_section = $article->get_section(); foreach ($article->title as $language => $_) { $languages[$language] = "$rel_path_to_root/$language/{$a_section->name}/{$article->urlname}"; } return [ "id" => $article->get_id(), "urlname" => $article->urlname, "fullurl" => htmlesc("$rel_path_to_root/$lang/{$a_section->name}/{$article->urlname}"), "title" => htmlesc($article->title[$lang]->text), "text" => textprocessor_apply(str_replace("%root%", $rel_path_to_root, $article->text[$lang]->text), $article->text[$lang]->texttype), "excerpt" => textprocessor_apply(str_replace("%root%", $rel_path_to_root, $article->excerpt[$lang]->text), $article->excerpt[$lang]->texttype), "custom" => $article->custom, "status" => $article->status, "section" => section_transform_ste($a_section, $lang), "timestamp" => $article->timestamp, "tags" => array_filter(array_map(function ($tag) use ($lang) { return tag_transform_ste($tag, $lang); }, $article->get_tags())), "languages" => $languages, "comments_allowed" => $article->allow_comments, "__obj" => $article ]; } /* * Function: comment_transform_ste * Transforms an object to an array, so it can be accessed via a STE template. * * Parameters: * $comment - object. * * Returns: * Array with these fields: * * id * * text * * author * * timestamp */ function comment_transform_ste($comment) { return [ "id" => $comment->get_id(), "text" => $comment->create_html(), "author" => htmlesc($comment->author_name), "timestamp" => $comment->get_timestamp(), "__obj" => $comment ]; } /* Register some tags for the template engine */ /* * STETag: articles_get * Get articles by custom criterias. Will only get articles, that are available in the current language ($language). * The fields of an article can be looked up at . * * Parameters: * var - (mandatory) The name of the variable, where the current article should be stored at. * id - (optional) Filter by ID. * urlname - (optional) Filter by urlname. * section - (optional) Filter by section (section name). * sectionvar - (optional) Filter by section (Name of variable that contains a section). * status - (optional) Filter by status (numeric, ). * tag - (optional) Filter by tag (tag name). * tagvar - (optional) Filter by tag (Name of variable that contains a tag). * sort - (optional) How to sort. Format: "fieldname direction" where fieldname is one of [id, urlname, title, timestamp] and direction is one of [asc, desc]. * perpage - (optional) How many articles should be shown per page (default unlimited). * page - (optional) On which page are we (starting with 1). Useful in combination with $current[page], and . (Default: 1) * maxpage - (optional) (variable name) If given, the number of pages are stored in this variable. * skip - (optional) How many articles should be skipped? (Default: none) * count - (optional) How many articles to output. (Default unlimited) * * Tag Content: * The tag's content will be executed for every article. The current article will be written to the variable specified by the var parameter before. * * Returns: * All results from the tag content. */ $ste->register_tag("articles_get", function ($ste, $params, $sub) { $lang = $ste->vars["language"]; if (!isset($params["var"])) { throw new \ste\RuntimeError("Parameter var is needed in article_get!"); } $criterias = ["langavail" => $lang, "onlyvisible" => true]; if (isset($params["id"])) { $criterias["id"] = $params["id"]; } if (isset($params["urlname"])) { $criterias["urlname"]; } if (isset($params["status"])) { $criterias["status"] = $params["status"]; } if (isset($params["sectionvar"])) { $sectionvar = $ste->get_var_by_name($params["sectionvar"]); $criterias["section"] = $sectionvar["__obj"]; } elseif (isset($params["section"])) { try { $criterias["section"] = Section::by_name($params["section"]); } catch (DoesNotExistError $e) { } } if (isset($params["tagvar"])) { $tagvar = $ste->get_var_by_name($params["tagvar"]); $criterias["tag"] = $tagvar["__obj"]; } if (isset($params["tag"])) { try { $criterias["tag"] = Tag::by_name($params["tag"]); } catch (DoesNotExistError $e) { } } $field = null; $direction = null; if (isset($params["sort"])) { list($field, $direction) = explode(" ", $params["sort"]); if ($direction === null) { $field = null; } $direction = strtoupper($direction); } $result = Article::by_multi($criterias, $field, $direction, @$params["count"], @$params["skip"], @$params["perpage"], @$params["page"], $maxpage); $result = array_map(function ($article) use ($lang) { return article_transform_ste($article, $lang); }, $result); if (isset($params["perpage"]) and isset($params["maxpage"])) { $ste->set_var_by_name($params["maxpage"], $maxpage == 0 ? 1 : $maxpage); } $output = ""; foreach ($result as $article) { $ste->set_var_by_name($params["var"], $article); $output .= $sub($ste); } return $output; }); /* * STETag: section_list * Iterate over all sections. * The fields of a section can be looked up at . * * Parameters: * var - (mandatory) The name of the variable, where the current section should be stored at. * exclude - (optional) Sections to exclude * include_default - (optional) Should the default section be included (default: No). * * Tag Content: * The tag's content will be executed for every section. The current section will be written to the variable specified by the var parameter before. * * Returns: * All results from the tag content. */ $ste->register_tag("section_list", function ($ste, $params, $sub) { global $ratatoeskr_settings; $lang = $ste->vars["language"]; $default_section = $ratatoeskr_settings["default_section"]; if (!isset($params["var"])) { throw new \ste\RuntimeException("Parameter var is needed in article_get!"); } $result = Section::all(); if (isset($params["exclude"])) { $exclude = explode(",", $params["exclude"]); $result = array_filter($result, function ($section) use ($exclude) { return !in_array($section->name, $exclude); }); } $result = array_filter($result, function ($section) use ($default_section) { return $section->get_id() != $default_section; }); $result = array_map(function ($section) use ($lang) { return section_transform_ste($section, $lang); }, $result); if ($ste->evalbool($params["include_default"])) { $default = section_transform_ste(Section::by_id($default_section), $lang); array_unshift($result, $default); } $output = ""; foreach ($result as $section) { $ste->set_var_by_name($params["var"], $section); $output .= $sub($ste); } return $output; }); /* * STETag: article_comments_count * Get the number of comments for an article. * * Parameters: * article - (mandatory) The name of the variable, where the article is stored at. * * Returns: * The number of comments. */ $ste->register_tag("article_comments_count", function ($ste, $params, $sub) { if (!isset($params["article"])) { throw new \ste\RuntimeException("Need parameter 'article' in ste:article_comments_count."); } $tpl_article = $ste->get_var_reference($params["article"], false); $lang = $ste->vars["language"]; if (isset($tpl_article["__obj"])) { $article = $tpl_article["__obj"]; } else { try { $article = Article::by_id(@$tpl_article["id"]); } catch (DoesNotExistError $e) { return 0; } } $comments = $article->get_comments($lang, true); $tpl_article["__comments"] = $comments; return count($comments); }); /* * STETag: article_comments * List all comments for an article. * The fields of a comment can be looked up at . * * Parameters: * var - (mandatory) The name of the variable, where the current comment should be stored at. * article - (mandatory) The name of the variable, where the article is stored at. * sort - (optional) Should the comments be sorted chronologically (asc) or inverse (desc)? Default: asc * * Tag Content: * The tag's content will be executed for every comment. The current comment will be written to the variable specified by the var parameter before. * * Returns: * All results from the tag content. */ $ste->register_tag("article_comments", function ($ste, $params, $sub) { if (!isset($params["var"])) { throw new \ste\RuntimeException("Need parameter 'var' in ste:article_comments."); } if (!isset($params["article"])) { throw new \ste\RuntimeException("Need parameter 'article' in ste:article_comments."); } $tpl_article = $ste->get_var_reference($params["article"], false); $lang = $ste->vars["language"]; if (isset($tpl_article["__comments"])) { $comments = $tpl_article["__comments"]; } else { if (isset($tpl_article["__obj"])) { $article = $tpl_article["__obj"]; } else { try { $article = Article::by_id(@$tpl_article["id"]); } catch (DoesNotExistError $e) { return ""; } } $comments = $article->get_comments($lang, true); } $sortdir = (@$params["sort"] == "desc") ? -1 : 1; usort($comments, function ($a, $b) use ($sortdir) { return intcmp($a->get_timestamp(), $b->get_timestamp()) * $sortdir; }); $comments = array_map("comment_transform_ste", $comments); $output = ""; foreach ($comments as $comment) { $ste->set_var_by_name($params["var"], $comment); $output .= $sub($ste); } return $output; }); /* * STETag: comment_form * Generates a HTML form tag that allows the visitor to write a comment. * * Parameters: * article - (mandatory) The name of the variable, where the article is stored at. * default - (optional) If not empty, a default formular with the mandatory fields will be generated. * previewbtn - (optional) If not empty and default form is choosen, a preview button will also be generated. * * Tag Content: * The tag's content will be written into the HTML form tag. * You have at least to define these fields: * * * - The Name of the author. * * - The E-Mailaddress of the author. * * - The Text of the comment. * * - Submit button. * * You might also want to define this: * * * - For a preview of the comment. * * If the parameter default is not empty, the tag's content will be thrown away. * * Returns: * The finished HTML form. * * See Also: * The "prevcomment" field in <$current>. */ $ste->register_tag("comment_form", function ($ste, $params, $sub) { global $translation; if (!isset($params["article"])) { throw new \ste\RuntimeException("Need parameter 'article' in ste:comment_form."); } $tpl_article = $ste->get_var_reference($params["article"], false); if (isset($tpl_article["__obj"])) { $article = $tpl_article["__obj"]; } else { try { $article = Article::by_id(@$tpl_article["id"]); } catch (DoesNotExistError $e) { return ""; } } if (!$article->allow_comments) { return ""; } /* A token protects from double sending of the same form and is also a simple protection from stupid spambots. */ $token = uniqid("", true); $_SESSION["ratatoeskr_comment_tokens"][$token] = time(); $form_header = ""; }); /* * STETags: Page control * These tags can create links to the previous/next page. * * page_prev - Link to the previous page (if available). * page_next - Link to the next page (if available). * * Parameters: * current - (mandatory) The current page number. * maxpage - (mandatory) How many pages in total? * default - (optional) If not empty, a default localized link text will be used. * * Tag Content: * The tag's content will be used as the link text. * * Returns: * A Link to the previous / next page. */ $ste->register_tag("page_prev", function ($ste, $params, $sub) { global $translation; if (!isset($params["current"])) { throw new \ste\RuntimeException("Need parameter 'current' in ste:page_prev."); } if (!isset($params["maxpage"])) { throw new \ste\RuntimeException("Need parameter 'maxpage' in ste:page_prev."); } if ($params["current"] == 1) { return ""; } parse_str(parse_url($_SERVER["REQUEST_URI"], PHP_URL_QUERY), $query); $query["page"] = $params["current"] - 1; $url = $_SERVER["REDIRECT_URL"] . "?" . http_build_query($query); return "" . (($ste->evalbool(@$params["default"])) ? $translation["page_prev"] : $sub($ste)) . ""; }); $ste->register_tag("page_next", function ($ste, $params, $sub) { global $translation; if (!isset($params["current"])) { throw new \ste\RuntimeException("Need parameter 'current' in ste:page_next."); } if (!isset($params["maxpage"])) { throw new \ste\RuntimeException("Need parameter 'maxpage' in ste:page_next."); } if ($params["current"] == $params["maxpage"]) { return ""; } parse_str(parse_url($_SERVER["REQUEST_URI"], PHP_URL_QUERY), $query); $query["page"] = $params["current"] + 1; $url = $_SERVER["REDIRECT_URL"] . "?" . http_build_query($query); return "" . (($ste->evalbool(@$params["default"])) ? $translation["page_next"] : $sub($ste)) . ""; }); /* * STETag: languages * List all languages available in the current context. * * Parameters: * var - (mandatory) The name of the variable, where the current language information should be stored at. * * Sub-fields of var: * short - 2 letter code of language * fullname - The full name of the language * url - URL to the current page in this language * * Tag Content: * The tag's content will be executed for every language. The current language will be written to the variable specified by the var parameter before. * * Returns: * All results from the tag content. */ $ste->register_tag("languages", function ($ste, $params, $sub) { global $languages, $ratatoeskr_settings, $rel_path_to_root; if (!isset($params["var"])) { throw new Exception("Need parameter 'var' in ste:languages."); } $langs = []; if (isset($ste->vars["current"]["article"])) { if (isset($ste->vars["current"]["article"]["__obj"])) { $article = $ste->vars["current"]["article"]["__obj"]; } else { try { $article = Article::by_id($ste->vars["current"]["article"]["id"]); } catch (DoesNotExistError $e) { } } foreach ($article->title as $lang => $_) { $langs[] = $lang; } } else { foreach ($ratatoeskr_settings["languages"] as $lang) { $langs[] = $lang; } } $output = ""; foreach ($langs as $lang) { $ste->set_var_by_name($params["var"], [ "short" => $lang, "fullname" => htmlesc($languages[$lang]["language"]), "url" => htmlesc("$rel_path_to_root/$lang/" . implode("/", array_slice($ste->vars["current"]["url_fragments"], 1))) ]); $output .= $sub($ste); } return $output; }); /* * STETag: styles_load * Load all current styles. * * Parameters: * mode - (optional) Either "embed" or "link". Default: link * * Returns: * The current styles (either linked or embedded) */ $ste->register_tag("styles_load", function ($ste, $params, $sub) { global $rel_path_to_root; if (isset($params["mode"]) and (($params["mode"] == "embed") or ($params["mode"] == "link"))) { $mode = $params["mode"]; } else { $mode = "link"; } if ($mode == "embed") { $output = ""; if (isset($ste->vars["current"]["__style_objs"])) { foreach ($ste->vars["current"]["__style_objs"] as $style) { $output .= "/* Style: {$style->name} */\n" . $style->code . "\n"; } } else { foreach ($ste->vars["current"]["styles"] as $stylename) { try { $style = Style::by_name($stylename); $output .= "/* Style: $stylename */\n" . str_replace("%root%", $rel_path_to_root, $style->code) . "\n"; } catch (DoesNotExistError $e) { $output .= "/* Warning: Failed to load style: $stylename */\n"; } } } $output = ""; } else { $output = ""; foreach ($ste->vars["current"]["styles"] as $stylename) { $output .= "\n"; } } return $output; }); /* * STETag: title * Generate a HTML title tag for your site. * * Tag Content: * The name of your site. * * Returns: * A HTML title tag that describes the current (sub)page. */ $ste->register_tag("title", function ($ste, $params, $sub) { $pagetitle = $sub($ste); if (isset($ste->vars["current"]["article"])) { return "" . htmlesc($ste->vars["current"]["article"]["title"]) . " – $pagetitle" . ""; } if (isset($ste->vars["current"]["section"])) { return "" . htmlesc($ste->vars["current"]["section"]["title"]) . " – $pagetitle" . ""; } return "$pagetitle"; }); function make_on_anything_tag($field) { return function ($ste, $params, $sub) use ($field) { if ($ste->evalbool(@$ste->vars["current"][$field])) { if (!empty($params["var"])) { $ste->set_var_by_name($params["var"], $ste->vars["current"][$field]); } return $sub($ste); } return ""; }; } /* * STETag: on_article * Execute tag content, if currently an article is requested. * * Parameters: * var - (optional) If set, the article will be stored in the variable with that name (see for sub-fields). * * Returns: * The executed tag content, if an article was requested. */ $ste->register_tag("on_article", make_on_anything_tag("article")); /* * STETag: on_tag * Execute tag content, if currently a tag is requested. * * Parameters: * var - (optional) If set, the tag will be stored in the variable with that name (see for sub-fields). * * Returns: * The executed tag content, if a tag was requested. */ $ste->register_tag("on_tag", make_on_anything_tag("tag")); /* * STETag: on_section * Execute tag content, if currently a section is requested. * * Parameters: * var - (optional) If set, the section will be stored in the variable with that name (see for sub-fields). * * Returns: * The executed tag content, if a section was requested. */ $ste->register_tag("on_section", make_on_anything_tag("section")); /* * STEVar: $current * Holds information about the current page in the frontend (the part of the webpage, the visitor sees). * * $current has these fields: * * article - Only set if a single article is shown. Holds information about an article. (sub-fields are described at ). * * section - Only set if a whole section is shown. Holds information about an section. (sub-fields are described at ). * * tag - Only set if all articles with the same tag should be shown (pseudo section _tags). Holds information about a tag. (sub-fields are described at ). * * page - Which subpage is shown? Useful with , and the page parameter of . Default: 1 * * commented - True, if the visitor has successfully written a comment. * * comment_fail - If the user tried to comment, but the system rejected the comment, this will be set and will contain the error message. * * comment_prev - If the user wanted to preview the article, this will be set and contain the HTML code of the comment. * * styles - The styles, that should be loaded. You can also just use . * * url_fragments - Array of URL parts. Mainly used internally, so you *really* should not modify this one... * * oldcomment - The data of the previously sent formular (subfields: name, mail, text). Only set inside the tag. * * Plugins might insert their own $current fields. */ /* * STEVar: $language * The short form (e.g. "en" for English, "de" for German, ...) of the current language. */ $comment_validators = [ function () /* Basic validator. Checks, if all mandatory fields are set and if the form token is okay. Also provides some stupid spambot protection... */ { global $translation; if (empty($_POST["author_name"])) { throw new CommentRejected($translation["author_name_missing"]); } if (empty($_POST["author_mail"])) { throw new CommentRejected($translation["author_email_missing"]); } if (empty($_POST["comment_text"])) { throw new CommentRejected($translation["comment_text_missing"]); } if (!isset($_POST["comment_token"])) { throw new CommentRejected($translation["comment_form_invalid"]); } if (!isset($_SESSION["ratatoeskr_comment_tokens"][$_POST["comment_token"]])) { throw new CommentRejected($translation["comment_form_invalid"]); } if (time() - $_SESSION["ratatoeskr_comment_tokens"][$_POST["comment_token"]] < 10) { /* Comment filled in in under 10 seconds? Most likely a spambot. */ throw new CommentRejected($translation["comment_too_fast"]); } unset($_SESSION["ratatoeskr_comment_tokens"][$_POST["comment_token"]]); } ]; $on_comment_store = []; /* * Function: frontend_url_handler */ function frontend_url_handler(&$data, $url_now, &$url_next) { global $ste, $ratatoeskr_settings, $languages, $comment_validators, $on_comment_store; $path = array_merge([$url_now], $url_next); $url_next = []; /* If no language or an invalid language was given, fix it. */ if ((count($path) == 0) or (!isset($languages[$path[0]]))) { if (count($path > 0)) { array_shift($path); } array_unshift($path, $ratatoeskr_settings["default_language"]); } $ste->vars["current"]["url_fragments"] = $path; $lang = array_shift($path); $ste->vars["language"] = $lang; load_language($languages[$lang]["translation_exist"] ? $lang : "en"); /* English is always available */ if (count($path) != 0) { $section_name = array_shift($path); } else { $section_name = null; } if ($section_name == "_tags") { try { $tag = Tag::by_name(array_shift($path)); } catch (DoesNotExistError $e) { throw new NotFoundError(); } $ste->vars["current"]["tag"] = tag_transform_ste($tag, $lang); } else { if ($section_name === null) { $section = Section::by_id($ratatoeskr_settings["default_section"]); } else { try { $section = Section::by_name($section_name); } catch (DoesNotExistError $e) { throw new NotFoundError(); } } if (count($path)== 0) { $ste->vars["current"]["section"] = section_transform_ste($section, $lang); } else { try { $article = Article::by_urlname(array_shift($path)); } catch (DoesNotExistError $e) { throw new NotFoundError(); } $ste->vars["current"]["article"] = article_transform_ste($article, $lang); if (isset($_GET["comment"])) { if (isset($_POST["preview_comment"])) { $ste->vars["current"]["comment_prev"] = Comment::htmlize_comment_text($_POST["comment_text"]); } elseif (isset($_POST["post_comment"])) { $rejected = false; try { foreach ($comment_validators as $validator) { call_user_func($validator); } } catch (CommentRejected $e) { $ste->vars["current"]["comment_fail"] = htmlesc($e->getMessage()); $rejected = true; } if (!$rejected) { $comment = Comment::create($article, $lang); $comment->author_name = $_POST["author_name"]; $comment->author_mail = $_POST["author_mail"]; $comment->text = $_POST["comment_text"]; $comment->save(); $ste->vars["current"]["commented"] = "Yes"; foreach ($on_comment_store as $ocs_fx) { call_user_func($ocs_fx, $comment); } } } } } } $ste->vars["current"]["page"] = (isset($_GET["page"]) and is_numeric($_GET["page"])) ? $_GET["page"] : 1; if (!isset($section)) { $section = Section::by_id($ratatoeskr_settings["default_section"]); } foreach ($section->get_styles() as $style) { $ste->vars["current"]["styles"][] = $style->name; $ste->vars["current"]["__style_objs"][] = $style; } echo $ste->exectemplate("/usertemplates/" . $section->template); } /* * Class: CommentRejected * An Exeption a comment validator can throw, if the validation failed. * * See Also: * */ class CommentRejected extends Exception { }