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custom_url_rewrite_outbound
Definition
custom_url_rewrite_outbound(&$path, &$query, &$fragment, &$absolute, &$base_url, $original_path)
settings_custom_url.inc, line 16
Description
Implements custom_url_rewrite_outbound(). Forces absolute paths for domains when needed.
Code
function custom_url_rewrite_outbound(&$path, &$query, &$fragment, &$absolute, &$base_url, $original_path) {
global $_domain;
// If the domain_id is not set, then the Domain module is not active, and we cannot run this function.
if (isset($_domain['domain_id'])) {
// Set static variables for the node lookups, to remove redundant queries.
static $domain_site, $domain, $nodepaths;
// Check to see that this function is installed.
$skip = FALSE;
$arg = arg(0);
if ($arg == 'admin' && ($path == 'domain_access_test_path' || $path == 'domain_access_path_test')) {
$path = 'yes';
$skip = TRUE;
}
// This routine only needs to be run from certain urls or if we want to
// force all links to go to a single domain for SEO.
// See http://drupal.org/node/195366 for the background.
$check = domain_grant_all();
$seo = variable_get('domain_seo', 0);
// If using Domain Source, we force links to a specific domain.
$use_source = module_exists('domain_source');
if (!$skip && ($check || $seo || $use_source)) {
// Check to see if this is a node or comment link and set $nid accordingly.
// We static the $nid results to make this more efficient.
$pattern = explode('/', $original_path);
// Advanced pattern matching, we find the node id based on token %n in the path string.
if (!isset($nodepaths)) {
$pathdata = variable_get('domain_paths', "node/%n\r\nnode/%n/edit\r\ncomment/reply/%n\r\nnode/add/book/parent/%n\r\nbook/export/html/%n\r\nnode\%n\outline");
$path_match = preg_replace('/(\r\n?|\n)/', '|', $pathdata);
$nodepaths = explode("|", $path_match);
}
$nid = FALSE;
foreach ($nodepaths as $match) {
$match_array = explode('/', $match);
$placeholder = array_search('%n', $match_array);
if (isset($pattern[$placeholder])) {
$match_array[$placeholder] = $pattern[$placeholder];
if (is_numeric($pattern[$placeholder]) && $match_array == $pattern) {
$nid = (int) $pattern[$placeholder];
break;
}
}
}
// This path has matched a node id, so it may need to be rewritten.
if ($nid) {
$root = domain_lookup(variable_get('domain_default_source', 0));
// Remove redundancy from the domain_site check.
if (!isset($domain_site[$nid])) {
// If this check works, we don't need to rewrite the path unless SEO rules demand it.
$domain_site[$nid] = db_result(db_query("SELECT grant_view FROM {node_access} WHERE nid = %d AND gid = 0 AND realm = '%s'", $nid, 'domain_site'));
}
if (!$domain_site[$nid] || $use_source) {
// Remove rendundancy from the domain_id check.
if (!isset($domain[$nid])) {
// The Domain Source module is optional, and allows nodes to be assigned to specific domains for the
// purpose of this check.
if ($use_source) {
$source = db_result(db_query("SELECT domain_id FROM {domain_source} WHERE nid = %d", $nid));
$domain[$nid] = domain_lookup($source);
}
else {
// Load the domain data for this node -- but only take the first match.
$id = db_result(db_query_range("SELECT gid FROM {node_access} WHERE nid = %d AND realm = '%s' AND grant_view = 1 ORDER BY gid", $nid, 'domain_id', 0, 1));
$domain[$nid] = domain_lookup($id);
}
}
// Can we and do we need to rewrite this path?
if ($domain[$nid] != -1 && $domain[$nid]['domain_id'] != $_domain['domain_id']) {
$absolute = TRUE;
// In this case, the $base_url cannot have a trailing slash
$base_url = rtrim($domain[$nid]['path'], '/');
// Domain Source trumps the seo rules below.
if (isset($source)) {
$seo = FALSE;
}
}
}
// If strict SEO rules are enabled, we set "all affiliate" links to the root domain.
// Only needed if we are not on the default source domain.
else if ($seo && $_domain['domain_id'] != $root['domain_id']) {
$absolute = TRUE;
// In this case, the $base_url cannot have a trailing slash
$base_url = rtrim($root['path'], '/');
}
}
}
}
}