aliroSEFHelper.php

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<?php

class aliroSEFHelper {
    
    function getConfig ($sefspace, $content_tasks) {
        $config = new stdClass();
        $config->underscore = 0;
        $config->enabled = 1;
        $config->strip_chars = '';
        $config->lower_case = '0';
        $config->unique_id = '0';
        $config->cache_time = '600';
        $config->buffer_size = '500';
        $config->home_title = 'Home';
        $config->title_separator = '|';
        $config->default_robots = 'index, follow';
        $config->custom_code = array();
        $config->custom_name = array();
        $config->custom_PHP = array();
        $config->custom_short = array();
        $config->sef_content_task = array();
        $config->sef_name_chars = array();
        $config->sef_translate_chars = array();
        $config->component_details = array();
        $config->sef_substitutions_exact = array();
        $config->sef_substitutions_in = array();
        $config->sef_substitutions_out = array();
        $config->legal_content_tasks = array();
        $config->sef_name_chars = array('!', '?', '&', '/', ' ');
        $config->sef_translate_chars = array('', '', 'and', ' or ', $sefspace);

        $configdata = aliroDatabase::getInstance()->doSQLget ("SELECT * FROM #__remosef_config");
        foreach ($configdata as $item) {
            if ('options' == $item->type) {
                $name = $item->name;
                $config->$name = $item->modified;
            }
            elseif ('components' == $item->type) {
                $config->custom_code[] = $item->name;
                $config->custom_name[] = $item->modified;
            }
            elseif ('characters' == $item->type) {
                $config->sef_name_chars[] = $item->name;
                $config->sef_translate_chars[] = $item->modified;
            }
            elseif ('substitutions' == $item->type) {
                $config->sef_substitutions_exact[$item->name] = $item->modified;
            }
            elseif ('substitutions_in' == $item->type) {
                $config->sef_substitutions_in["#$item->name#i"] = $item->modified;
            }
            elseif ('substitutions_out' == $item->type) {
                $config->sef_substitutions_out["#$item->name#i"] = $item->modified;
            }
            elseif ('content' == $item->type) $config->sef_content_task[$item->name] = $item->modified;
            else $config->component_details[$item->type][$item->name] = $item->modified;
        }
        unset($configdata);
        foreach ($content_tasks as $task) {
            $config->legal_content_tasks[] = isset($config->sef_content_task[$task]) ? $config->sef_content_task[$task] : $task;
        }
        foreach ($config->custom_code as $code) {
            $codefile = _ALIRO_CLASS_BASE."/components/$code/sef_ext.php";
            $seffile = dirname(__FILE__)."/sef_ext/$code/sef_ext.php";
            if (file_exists($codefile)) $config->custom_PHP[] = $codefile;
            elseif (file_exists($seffile)) $config->custom_PHP[] = $seffile;
            else $config->custom_PHP[] = false;
            $split = explode('_',$code);
            $config->custom_short[] = $split[1];
        }
        return $config;
    }
    
    public function basicRetrieve ($uri, $config, $alirosef, $live_site) {
        $url_array = explode('/', $uri);
        if (0 == strlen($url_array[0])) array_shift($url_array);
        if ($l = count($url_array) AND 0 == strlen($url_array[$l-1])) array_pop($url_array);
        $prefix = $subdir = '';
        $legal = array_merge(array ('content', 'component'), $config->custom_name, $config->legal_content_tasks);
        while (count($url_array)) {
            $element = array_shift($url_array);
            if ($element) {
                if (in_array($element,$legal)) {
                    $prefix = $element;
                    break;
                }
                elseif (strpos($live_site, $element) === false) break;
                else $subdir .= '/'.$element;
            }
        }
        $QUERY_STRING = '';
        $foundit = false;
        if ($prefix == 'content') {
            $foundit = true;
            $_REQUEST['option'] = $_GET['option'] = $option = 'com_content';
            // language hook for content
            $lang = "";
            $parms = array();
            foreach($url_array as $key=>$value) {
                if ( strcasecmp(substr($value,0,5),'lang,') == 0 ) {
                    $parts = explode(",", $value);
                    if (count($parts) > 1) {
                        $lang = $_REQUEST['lang'] = $_GET['lang'] = $parts[1];
                    }
                }
                elseif (strlen($value)) $parms[] = $value;
            }
            // $option/$task/$sectionid/$id/$limit/$limitstart
            $task = $alirosef->untranslateContentTask($parms[0]);
            $_REQUEST['task'] = $_GET['task'] = $task;
            $QUERY_STRING .= "option=com_content&task=$task";
            if ($task == 'archivecategory') {
                $_REQUEST['year'] = $_GET['year'] = $year = intval(@$parms[1]);
                $_REQUEST['month'] = $_GET['month'] = $month = intval(@$parms[2]);
                $_REQUEST['module'] = $_GET['module'] = $module = intval(@$parms[3]);
                $QUERY_STRING .= "&year=$year&month=$month&module=$module";
            }
            else {
                $num = count($parms);
                for ($i = 1; $i <= $num-1; $i++) {
                    if (strcmp($parms[$i], (int)$parms[$i]) !== 0) return false;
                }
                $i = 1;
                if (5 == $num OR 3 == $num) {
                    $_REQUEST['sectionid'] = $_GET['sectionid'] = $sectionid = $parms[$i];
                    $QUERY_STRING .= "&sectionid=$sectionid";
                    $i++;
                }
                if ($num > 1) {
                    $_REQUEST['id'] = $_GET['id'] = $id = $parms[$i];
                    $QUERY_STRING .= "&id=$id";
                }
                if ($num > 3) {
                    $_REQUEST['limit'] = $_GET['limit'] = $limit = $parms[$i+1];
                    $_REQUEST['limitstart'] = $_GET['limitstart'] = $limitstart = $parms[$i+2];
                    $QUERY_STRING .= "&limit=$limit&limitstart=$limitstart";
                }
            }
            if ($lang!="") {
                $QUERY_STRING .= "&lang=$lang";
            }
        }

        /*
        Components
        http://www.domain.com/component/$name,$value
        */
        elseif ($prefix == 'component') {
            $QUERY_STRING .= $alirosef->default_revert('component');
            if ($QUERY_STRING) $foundit = true;
        }
        else {
            // Wouldn't be necessary, but wanted to avoid negative parameter to sef_ext.php
            array_unshift ($url_array, $prefix);
            array_unshift ($url_array, 'dummy');
            foreach ($config->custom_name as $i=>$compname) {
                if (isset($url_array[1]) AND $url_array[1] == $compname) {
                    $origname = $config->custom_code[$i];
                    if ($config->custom_PHP[$i] AND file_exists($config->custom_PHP[$i])) {
                        if (isset($url_array[2]) AND $url_array[2]) {
                            $customsef = $alirosef->invoke_plugin($i, 'revert', $url_array, 0);
                            if ($customsef) $QUERY_STRING .= 'option='.$origname.$customsef;
                            else return false;
                        }
                        else $QUERY_STRING .= 'option='.$origname;
                    }
                    else $QUERY_STRING .= 'option='.$origname.$alirosef->default_revert($compname);
                    $_REQUEST['option'] = $_GET['option'] = $option = $origname;
                    $foundit = true;
                    break;
                }
            }
            if (!$foundit AND isset($url_array[1])) {
                $content_sef = _ALIRO_CLASS_BASE.'/components/com_content/sef_ext.php';
                if (file_exists($content_sef)) {
                    require_once($content_sef);
                    $crevert = sef_content::revert($url_array,0);
                    if ($crevert) {
                        $foundit = true;
                        $QUERY_STRING .= $crevert;
                    }
                }
            }
        }
        if ($foundit) return $QUERY_STRING;
        else return false;
    }

}

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