| 1 |
<?php
|
| 2 |
|
| 3 |
/* $Id$ */
|
| 4 |
|
| 5 |
function http_redirect_help($section='') {
|
| 6 |
$output = '';
|
| 7 |
|
| 8 |
switch ($section) {
|
| 9 |
case "admin/modules#description":
|
| 10 |
$output = t("A module for setting up and managing 301 and 302 http redirects.");
|
| 11 |
break;
|
| 12 |
}
|
| 13 |
|
| 14 |
return $output;
|
| 15 |
}
|
| 16 |
|
| 17 |
|
| 18 |
function http_redirect_perm() {
|
| 19 |
return array('get redirected', 'can administer redirects');
|
| 20 |
}
|
| 21 |
|
| 22 |
|
| 23 |
function http_redirect_menu() {
|
| 24 |
$items = array();
|
| 25 |
$items[] = array('path' => 'http_redirect',
|
| 26 |
'title' => 'http_redirect',
|
| 27 |
'callback' => 'http_redirect_do_redirect',
|
| 28 |
'access' => user_access('get redirected'),
|
| 29 |
'type' => MENU_CALLBACK);
|
| 30 |
$items[] = array('path' => 'admin/http_redirect',
|
| 31 |
'title' => 'http redirect',
|
| 32 |
'callback' => 'http_redirect_admin',
|
| 33 |
'access' => user_access('can administer redirects'),
|
| 34 |
'type' => MENU_NORMAL_ITEM);
|
| 35 |
return $items;
|
| 36 |
}
|
| 37 |
|
| 38 |
function http_redirect_do_redirect() {
|
| 39 |
$rid = arg(1);
|
| 40 |
|
| 41 |
// Based on the redirect ID requested, look up the URL we're going to and the code we're using
|
| 42 |
$result = db_query("SELECT url, code FROM {http_redirect} WHERE rid = %d LIMIT 1", $rid);
|
| 43 |
|
| 44 |
// Check we were given a valid id
|
| 45 |
if (mysql_num_rows($result) == 0) {
|
| 46 |
print theme('page', "Invalid redirect id provided.");
|
| 47 |
}
|
| 48 |
else {
|
| 49 |
$url = mysql_result($result, 0, 0);
|
| 50 |
$code = mysql_result($result, 0, 1);
|
| 51 |
}
|
| 52 |
|
| 53 |
if ($code == '301') {
|
| 54 |
Header( "HTTP/1.1 301 Moved Permanently" );
|
| 55 |
Header( "Location: $url" );
|
| 56 |
}
|
| 57 |
else if ($code == '302') {
|
| 58 |
Header( "HTTP/1.1 302 Moved Permanently" );
|
| 59 |
Header( "Location: $url" );
|
| 60 |
}
|
| 61 |
}
|
| 62 |
|
| 63 |
function http_redirect_admin() {
|
| 64 |
// Warning messages in the header
|
| 65 |
$output = '<strong>' . t('Guidelines for use') . '</strong>';
|
| 66 |
$output .= '<ul><li>';
|
| 67 |
$output .= t('Any URLs supplied will override existing genuine urls (node/1, user/5, etc) however will not replace any existing aliases unless the option to overwrite is checked.');
|
| 68 |
$output .= '</li><li>';
|
| 69 |
$output .= t('Source URLs are in the same format as url aliases, one per line and at this point, no error checking is made.');
|
| 70 |
$output .= '</li></ul>';
|
| 71 |
|
| 72 |
// Preload existing redirects
|
| 73 |
$result = db_query("SELECT rid, url, code FROM {http_redirect}");
|
| 74 |
|
| 75 |
// Set some default values
|
| 76 |
$rid = 0;
|
| 77 |
|
| 78 |
while ($row = db_fetch_object($result)) {
|
| 79 |
// $rids keeps track of the rids we're using
|
| 80 |
$rids[] = $row->rid;
|
| 81 |
|
| 82 |
// Extract and prepare data for the form
|
| 83 |
$rid = $row->rid;
|
| 84 |
$src_default = "";
|
| 85 |
$subresult = db_query("SELECT dst FROM {url_alias} WHERE src = '%s'", 'http_redirect/' . $rid);
|
| 86 |
while ($subrow = db_fetch_object($subresult)) {
|
| 87 |
$src_default .= $subrow->dst . "\n";
|
| 88 |
}
|
| 89 |
|
| 90 |
$form['src_' . $rid] = array('#type' => 'textarea',
|
| 91 |
'#title' => t('Existing Redirect - Source URLs'),
|
| 92 |
'#default_value' => $src_default,
|
| 93 |
'#rows' => 1);
|
| 94 |
$form['dst_' . $rid] = array('#type' => 'textfield',
|
| 95 |
'#title' => t('Existing Redirect - Destination URL'),
|
| 96 |
'#size' => 60,
|
| 97 |
'#default_value' => $row->url,
|
| 98 |
'#maxlength' => 128);
|
| 99 |
$form['code_' . $rid] = array('#type' => 'select',
|
| 100 |
'#title' => t('Existing Redirect - http redirect code'),
|
| 101 |
'#default_value' => $row->code,
|
| 102 |
'#options' => array('301' => t('301 - permanent'),
|
| 103 |
'302' => t('302 - temporary')));
|
| 104 |
|
| 105 |
$form['overwrite_'. $rid] = array('#type' => 'checkbox',
|
| 106 |
'#title' => t('Overwrite existing aliases?'));
|
| 107 |
|
| 108 |
$form['delete_'. $rid] = array('#type' => 'checkbox',
|
| 109 |
'#title' => t('Delete?'));
|
| 110 |
}
|
| 111 |
|
| 112 |
// Now an extra set of fields for a new entry
|
| 113 |
$rid++;
|
| 114 |
$rids[] = $rid;
|
| 115 |
|
| 116 |
$form['src_' . $rid] = array('#type' => 'textarea',
|
| 117 |
'#title' => t('Add New Redirect - Source URLs'),
|
| 118 |
'#rows' => 1);
|
| 119 |
$form['dst_' . $rid] = array('#type' => 'textfield',
|
| 120 |
'#title' => t('Add New Redirect - Destination URL'),
|
| 121 |
'#size' => 60,
|
| 122 |
'#maxlength' => 128);
|
| 123 |
$form['code_' . $rid] = array('#type' => 'select',
|
| 124 |
'#title' => t('http redirect code'),
|
| 125 |
'#default_value' => $row->code,
|
| 126 |
'#options' => array('301' => t('301 - permanent'),
|
| 127 |
'302' => t('302 - temporary')));
|
| 128 |
$form['overwrite_'. $rid] = array('#type' => 'checkbox',
|
| 129 |
'#title' => t('Overwrite existing aliases?'));
|
| 130 |
|
| 131 |
$form['rids'] = array('#type' => 'value', '#value' => $rids);
|
| 132 |
$form['submit'] = array('#type' => 'submit', '#value' => t('Submit'));
|
| 133 |
|
| 134 |
$output .= drupal_get_form('http_redirect_admin', $form);
|
| 135 |
|
| 136 |
return $output;
|
| 137 |
}
|
| 138 |
|
| 139 |
function http_redirect_admin_validate($form_id, $form_values) {
|
| 140 |
return TRUE;
|
| 141 |
}
|
| 142 |
|
| 143 |
function http_redirect_admin_submit($form_id, $form_values) {
|
| 144 |
// Process the form data - the only one that needs anything clever is the source url list
|
| 145 |
foreach ($form_values['rids'] as $rid) {
|
| 146 |
if (($form_values['src_' . $rid] != "") && ($form_values['dst_' . $rid] != "")) {
|
| 147 |
// First update the redircts table - delete any previous ones
|
| 148 |
db_query("DELETE FROM {http_redirect} WHERE rid = %d", $rid);
|
| 149 |
if ($form_values['delete_' . $rid] != 1) {
|
| 150 |
db_query("INSERT INTO {http_redirect} (rid, url, code) VALUES (%d, '%s', %d)", $rid, $form_values['dst_' . $rid], $form_values['code_' . $rid]);
|
| 151 |
}
|
| 152 |
|
| 153 |
// Now iterate through the source URL and make aliases for them - again, delete any previous ones
|
| 154 |
db_query("DELETE FROM {url_alias} WHERE src = '%s'", 'http_redirect/' . $rid);
|
| 155 |
|
| 156 |
if ($form_values['delete_' . $rid] != 1) {
|
| 157 |
$src_urls = split("\n", rtrim($form_values['src_' . $rid]));
|
| 158 |
foreach ($src_urls as $src_url) {
|
| 159 |
// If the overwrite option has been taken, we need to clear url_alias based on the source urls (well, destination in url_alias terms)
|
| 160 |
if ($form_values['overwrite_' . $rid] == 1) {
|
| 161 |
db_query("DELETE FROM {url_alias} WHERE dst = '%s'", rtrim($src_url));
|
| 162 |
}
|
| 163 |
db_query("INSERT INTO {url_alias} (pid, src, dst) VALUES (%d, '%s', '%s')", $pid, 'http_redirect/' . $rid, rtrim($src_url));
|
| 164 |
}
|
| 165 |
}
|
| 166 |
}
|
| 167 |
}
|
| 168 |
|
| 169 |
drupal_set_message(t('http redirects updated'));
|
| 170 |
}
|
Parent Directory
| 
Revision Log
| 
Revision Graph