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XRouting 1.3.1 (with debug info: add ?xrdebug=1 to your URL)
<?php
switch ($modx->event->name) {
// "refresh cache" part
case 'OnContextSave':
case 'OnContextRemove':
case 'OnSiteRefresh':
$contexts = array();
$cacheKey = 'xrouting_contextmap';
$cacheOptions = array();
// build context array
$query = $modx->newQuery('modContext');
$query->where(array('modContext.key:NOT IN' => array('mgr')));
$query->sortby($modx->escape('modContext') . '.' . $modx->escape('key'), 'DESC');
$contextsGraph = $modx->getCollectionGraph('modContext', '{"ContextSettings":{}}', $query);
foreach ($contextsGraph as $context) {
$contextSettings = array();
foreach ($context->ContextSettings as $cSetting) {
$contextSettings[$cSetting->get('key')] = $cSetting->get('value');
}
if (!empty($contextSettings['http_host']) && !empty($contextSettings['base_url'])) {
// add http_host to hosts list
$contexts['_hosts'][$contextSettings['http_host']][] = $context->get('key');
// add alias hosts to host list
if (!empty($contextSettings['http_host_aliases'])) {
foreach (explode(',',$contextSettings['http_host_aliases']) as $alias) {
$contexts['_hosts'][$alias][] = $context->get('key');
}
}
// add context settings
$contexts[$context->get('key')] = $contextSettings;
}
}
unset($contextsGraph);
$modx->cacheManager->set($cacheKey, $contexts, 0, $cacheOptions);
break;
// "routing" part
default:
case 'OnHandleRequest':
if ($modx->context->get('key') == 'mgr') return;
$contexts = array();
$cacheKey = 'xrouting_contextmap';
$cacheOptions = array();
$contexts = $modx->cacheManager->get($cacheKey, $cacheOptions);
if (empty($contexts)) {
// build context array
$query = $modx->newQuery('modContext');
$query->where(array('modContext.key:NOT IN' => array('mgr')));
$query->sortby($modx->escape('modContext') . '.' . $modx->escape('key'), 'DESC');
$contextsGraph = $modx->getCollectionGraph('modContext', '{"ContextSettings":{}}', $query);
foreach ($contextsGraph as $context) {
$contextSettings = array();
foreach ($context->ContextSettings as $cSetting) {
$contextSettings[$cSetting->get('key')] = $cSetting->get('value');
}
if (!empty($contextSettings['http_host']) && !empty($contextSettings['base_url'])) {
// add http_host to hosts list
$contexts['_hosts'][$contextSettings['http_host']][] = $context->get('key');
// add alias hosts to host list
if (!empty($contextSettings['http_host_aliases'])) {
foreach (explode(',',$contextSettings['http_host_aliases']) as $alias) {
$contexts['_hosts'][$alias][] = $context->get('key');
}
}
// add context settings
$contexts[$context->get('key')] = $contextSettings;
}
}
unset($contextsGraph);
$modx->cacheManager->set($cacheKey, $contexts, 0, $cacheOptions);
}
if (!empty($contexts)) {
$http_host = $_SERVER['HTTP_HOST'];
if ($modx->getOption('xrouting.include_www', null, true)) {
$http_host = str_replace('www.','',$http_host);
}
$requestUrl = $_REQUEST[$modx->getOption('request_param_alias', null, 'q')];
$matches = array();
// find matching hosts
$matched_contexts = $contexts['_hosts'][$http_host];
foreach ((array) $matched_contexts as $index => $ckey) {
$context = $contexts[$ckey];
$strpos = strpos(MODX_BASE_URL.$requestUrl, $contexts[$ckey]['base_url']);
if ($strpos === 0) {
$matches[strlen($contexts[$ckey]['base_url'])] = $ckey;
}
}
if (isset($_GET['xrdebug']) && $_GET['xrdebug'] == '1') {
die('<pre>===== context map =====<br>'.print_r($contexts,true).'<br><br><br>==== mathces ====<br>'.print_r($matches,true));
}
if (!empty($matches)) {
$cSettings = $contexts[$matches[max(array_keys($matches))]];
$cKey = $matches[max(array_keys($matches))];
// do we need to switch the context?
if ($modx->context->get('key') != $cKey) {
$modx->switchContext($cKey);
}
// remove base_url from request query
if ($cSettings['base_url'] != MODX_BASE_URL) {
$newRequestUrl = str_replace($cSettings['base_url'],'',MODX_BASE_URL.$requestUrl);
$_REQUEST[$modx->getOption('request_param_alias', null, 'q')] = $newRequestUrl;
}
} else {
// if no match found
if ($modx->getOption('xrouting.show_no_match_error', null, true)) {
$modx->sendErrorPage();
} else {
$modx->switchContext($modx->getOption('xrouting.default_context', null, 'web'));
}
}
}
break;
}
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