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<?php
/**
* @file
* Install, update and uninstall functions for the xmlsitemap module.
*
* @ingroup xmlsitemap
*/
/**
* Implements hook_requirements().
*/
function xmlsitemap_requirements($phase) {
$requirements = array();
$t = get_t();
// Check that required PHP extensions are enabled.
// Note: Drupal 7 already requires the 'xml' extension.
$required_extensions = array('xmlwriter');
$missing_extensions = array_diff($required_extensions, array_filter($required_extensions, 'extension_loaded'));
if (!empty($missing_extensions)) {
$requirements['xmlsitemap_php_extensions'] = array(
'title' => $t('XML sitemap PHP extensions'),
'value' => $t('Disabled'),
'severity' => REQUIREMENT_ERROR,
'description' => $t("The XML sitemap module requires you to enable the PHP extensions in the following list (see the <a href=\"@xmlsitemap_requirements\">module's system requirements page</a> for more information):", array(
'@xmlsitemap_requirements' => 'http://drupal.org/documentation/modules/xmlsitemap/requirements',
)) . theme('item_list', array('items' => $missing_extensions)),
);
}
if ($phase == 'runtime') {
// If clean URLs are disabled there must not be an actual sitemap.xml in
// the root directory.
if (variable_get('clean_url', 0) && file_exists(DRUPAL_ROOT . '/sitemap.xml')) {
$requirements['xmlsitemap_file'] = array(
'title' => $t('XML sitemap'),
'value' => $t('Existing sitemap.xml file found.'),
'severity' => REQUIREMENT_ERROR,
'description' => $t('The XML sitemap module cannot display its XML output if there is an existing sitemap.xml file in your website root.'),
);
}
// Check that the base directory and all its subdirectories are writable.
$requirements['xmlsitemap_directory'] = array(
'title' => $t('XML sitemap cache directory'),
'value' => $t('Writable'),
);
if (!xmlsitemap_check_directory()) {
$requirements['xmlsitemap_directory']['value'] = $t('Not found or not writable');
$requirements['xmlsitemap_directory']['severity'] = REQUIREMENT_ERROR;
$requirements['xmlsitemap_directory']['description'] = $t('The directory %directory was not found or is not writable by the server. See <a href="@docpage">@docpage</a> for more information.', array('%directory' => xmlsitemap_get_directory(), '@docpage' => 'http://drupal.org/node/34025'));
}
else {
$directories = xmlsitemap_check_all_directories();
foreach ($directories as $directory => $writable) {
if ($writable) {
unset($directories[$directory]);
}
}
if (!empty($directories)) {
$requirements['xmlsitemap_directory']['value'] = $t('Not found or not writable');
$requirements['xmlsitemap_directory']['severity'] = REQUIREMENT_ERROR;
$requirements['xmlsitemap_directory']['description'] = $t('The following directories were not found or are not writable by the server. See <a href="@docpage">@docpage</a> for more information. !directories', array('!directories' => theme('item_list', array('items' => array_keys($directories))), '@docpage' => 'http://drupal.org/node/34025'));
}
}
// The maximum number of links in a sitemap.
$max_links = db_query("SELECT MAX(links) FROM {xmlsitemap_sitemap}")->fetchField();
$max_links_limit = XMLSITEMAP_MAX_SITEMAP_LINKS * XMLSITEMAP_MAX_SITEMAP_LINKS;
if ($max_links > $max_links_limit) {
$requirements['xmlsitemap_link_count'] = array(
'title' => $t('XML sitemap link count'),
'value' => $max_links,
'description' => $t('You have exceeded the number of links that your sitemap can contain (@num).', array('@num' => number_format($max_links))),
'severity' => REQUIREMENT_ERROR,
);
}
// The maximum number of chunks in a sitemap.
$max_chunks = db_query("SELECT MAX(chunks) FROM {xmlsitemap_sitemap}")->fetchField();
if ($max_chunks > XMLSITEMAP_MAX_SITEMAP_LINKS) {
$requirements['xmlsitemap_chunk_count'] = array(
'title' => $t('XML sitemap page count'),
'value' => $max_chunks,
'description' => $t('You have exceeded the number of sitemap pages (@number).', array('@number' => number_format(XMLSITEMAP_MAX_SITEMAP_LINKS))),
'severity' => REQUIREMENT_ERROR,
);
if (!in_array(xmlsitemap_get_chunk_size(), array(50000, 'auto'))) {
$requirements['xmlsitemap_chunk_count']['description'] .= ' ' . t('Please increase the number of links per page.');
}
}
// Check maximum file size.
$max_filesize = db_query("SELECT MAX(max_filesize) FROM {xmlsitemap_sitemap}")->fetchField();
$requirements['xmlsitemap_file_size'] = array(
'title' => $t('XML sitemap maximum file size'),
'value' => format_size($max_filesize),
);
if ($max_filesize > XMLSITEMAP_MAX_SITEMAP_FILESIZE) {
$requirements['xmlsitemap_file_size']['description'] = $t('You have exceeded the maximum sitemap file size of @size. If possible, decrease the number of links per sitemap page.', array('@size' => format_size(XMLSITEMAP_MAX_SITEMAP_FILESIZE)));
$requirements['xmlsitemap_file_size']['severity'] = REQUIREMENT_ERROR;
}
elseif (!variable_get('xmlsitemap_developer_mode', 0)) {
unset($requirements['xmlsitemap_file_size']);
}
// Check when the cached files were last generated.
$generated_last = variable_get('xmlsitemap_generated_last', 0);
$generated_ago = REQUEST_TIME - $generated_last;
$requirements['xmlsitemap_generated'] = array(
'title' => $t('XML sitemap'),
'value' => $generated_last ? $t('Last attempted generation on !date (!interval ago).', array('!date' => format_date($generated_last, 'small'), '!interval' => format_interval($generated_ago))) : $t('Cached files have not been generated yet.'),
'severity' => REQUIREMENT_OK,
);
if (variable_get('xmlsitemap_rebuild_needed', FALSE) && _xmlsitemap_rebuild_form_access()) {
$requirements['xmlsitemap_generated']['severity'] = REQUIREMENT_ERROR;
$requirements['xmlsitemap_generated']['description'] = $t('The XML sitemap data is out of sync and needs to be <a href="@link-rebuild">completely rebuilt<a>.', array('@link-rebuild' => url('admin/config/search/xmlsitemap/rebuild')));
}
elseif (variable_get('xmlsitemap_regenerate_needed', FALSE)) {
if ($max_filesize == 0) {
// A maximum sitemap file size of 0 indicates an error in generation.
$requirements['xmlsitemap_generated']['severity'] = REQUIREMENT_ERROR;
}
elseif ($generated_ago >= variable_get('cron_threshold_error', 1209600)) {
$requirements['xmlsitemap_generated']['severity'] = REQUIREMENT_ERROR;
}
elseif ($generated_ago >= variable_get('cron_threshold_warning', 172800)) {
$requirements['xmlsitemap_generated']['severity'] = REQUIREMENT_WARNING;
}
if ($requirements['xmlsitemap_generated']['severity']) {
$requirements['xmlsitemap_generated']['description'] = $t('The XML cached files are out of date and need to be regenerated. You can <a href="@link-cron">run cron manually</a> to regenerate the sitemap files.', array('@link-cron' => url('admin/reports/status/run-cron', array('query' => drupal_get_destination()))));
}
}
}
return $requirements;
}
/**
* Implements hook_schema().
*/
function xmlsitemap_schema() {
// @todo Rename to xmlsitemap_link
$schema['xmlsitemap'] = array(
'description' => 'The base table for xmlsitemap links.',
'fields' => array(
'id' => array(
'description' => 'Primary key with type; a unique id for the item.',
'type' => 'int',
'not null' => TRUE,
'unsigned' => TRUE,
'default' => 0,
),
'type' => array(
'description' => 'Primary key with id; the type of item (e.g. node, user, etc.).',
'type' => 'varchar',
'length' => 32,
'not null' => TRUE,
'default' => '',
),
'subtype' => array(
'description' => 'A sub-type identifier for the link (node type, menu name, term VID, etc.).',
'type' => 'varchar',
'length' => 128,
'not null' => TRUE,
'default' => '',
),
'loc' => array(
'description' => 'The URL to the item relative to the Drupal path.',
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'language' => array(
'description' => 'The {languages}.language of this link or an empty string if it is language-neutral.',
'type' => 'varchar',
'length' => 12,
'not null' => TRUE,
'default' => '',
),
'access' => array(
'description' => 'A boolean that represents if the item is viewable by the anonymous user. This field is useful to store the result of node_access() so we can retain changefreq and priority_override information.',
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 1,
),
'status' => array(
'description' => 'An integer that represents if the item is included in the sitemap.',
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 1,
),
'status_override' => array(
'description' => 'A boolean that if TRUE means that the status field has been overridden from its default value.',
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 0,
),
'lastmod' => array(
'description' => 'The UNIX timestamp of last modification of the item.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'priority' => array(
'description' => 'The priority of this URL relative to other URLs on your site. Valid values range from 0.0 to 1.0.',
'type' => 'float',
'default' => NULL,
// @todo Convert this field to non-nullable.
//'default' => 0.5,
//'not null' => NULL,
),
'priority_override' => array(
'description' => 'A boolean that if TRUE means that the priority field has been overridden from its default value.',
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 0,
),
'changefreq' => array(
'description' => 'The average time in seconds between changes of this item.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'changecount' => array(
'description' => 'The number of times this item has been changed. Used to help calculate the next changefreq value.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
),
'primary key' => array('id', 'type'),
'indexes' => array(
'loc' => array('loc'),
'access_status_loc' => array('access', 'status', 'loc'),
'type_subtype' => array('type', 'subtype'),
'language' => array('language'),
),
);
$schema['xmlsitemap_sitemap'] = array(
'fields' => array(
'smid' => array(
'description' => 'The sitemap ID (the hashed value of {xmlsitemap}.context.',
'type' => 'varchar',
'length' => 64,
'not null' => TRUE,
),
'context' => array(
'description' => 'Serialized array with the sitemaps context',
'type' => 'text',
'not null' => TRUE,
'serialize' => TRUE,
),
'updated' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'links' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'chunks' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'max_filesize' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
//'queued' => array(
// 'type' => 'int',
// 'unsigned' => TRUE,
// 'not null' => TRUE,
// 'default' => 0,
// 'description' => 'Time when this sitemap was queued for regeneration, 0 if not queued.',
//),
),
'primary key' => array('smid'),
);
return $schema;
}
/**
* Implements hook_install().
*/
function xmlsitemap_install() {
// Set this module's weight to 1 so xmlsitemap_cron() runs after all other
// xmlsitemap_x_cron() runs.
db_update('system')
->fields(array('weight' => 1))
->condition('type', 'module')
->condition('name', 'xmlsitemap')
->execute();
// Load the module.
drupal_load('module', 'xmlsitemap');
// Insert the homepage link into the {xmlsitemap} table so we do not show an
// empty sitemap after install.
db_insert('xmlsitemap')
->fields(array(
'type' => 'frontpage',
'id' => 0,
'loc' => '',
'priority' => variable_get('xmlsitemap_frontpage_priority', 1.0),
'changefreq' => variable_get('xmlsitemap_frontpage_changefreq', XMLSITEMAP_FREQUENCY_DAILY),
'language' => LANGUAGE_NONE,
))
->execute();
// Insert the default context sitemap.
$context = array();
db_insert('xmlsitemap_sitemap')
->fields(array(
'smid' => xmlsitemap_sitemap_get_context_hash($context),
'context' => serialize($context),
))
->execute();
// @todo Does the sitemap show up on first install or is it a 404 page?
}
/**
* Implements hook_enable().
*/
function xmlsitemap_enable() {
// Ensure the file cache directory is available and ready.
xmlsitemap_check_directory();
variable_set('xmlsitemap_regenerate_needed', TRUE);
}
/**
* Implements hook_uninstall().
*/
function xmlsitemap_uninstall() {
// Remove variables.
drupal_load('module', 'xmlsitemap');
$variables = array_keys(xmlsitemap_variables());
foreach ($variables as $variable) {
variable_del($variable);
}
// Remove the file cache directory.
xmlsitemap_clear_directory(NULL, TRUE);
}
/**
* Implements hook_update_last_removed().
*/
function xmlsitemap_update_last_removed() {
return 6201;
}
/**
* Create the {xmlsitemap_sitemap} table and add the sitemap context data.
*/
function xmlsitemap_update_6202() {
if (!db_table_exists('xmlsitemap_sitemap')) {
$schema['xmlsitemap_sitemap'] = array(
'fields' => array(
'smid' => array(
'description' => 'Sitemap ID',
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
),
'context_hash' => array(
'description' => 'The MD5 hash of the context field.',
'type' => 'varchar',
'length' => 32,
'not null' => TRUE,
'default' => '',
),
'context' => array(
'description' => 'Serialized array with the sitemaps context',
'type' => 'text',
'not null' => TRUE,
),
'updated' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'links' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'chunks' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
),
'primary key' => array('smid'),
'unique keys' => array(
'context_hash' => array('context_hash'),
),
);
db_create_table('xmlsitemap_sitemap', $schema['xmlsitemap_sitemap']);
}
// Add the default sitemap(s) and use language contexts if possible.
if (!db_query_range("SELECT 1 FROM {xmlsitemap_sitemap}", 0, 1)->fetchField()) {
// Refresh the schema and load the module if it's disabled.
drupal_get_schema(NULL, TRUE);
drupal_load('module', 'xmlsitemap');
if (module_exists('xmlsitemap_i18n') && $languages = variable_get('xmlsitemap_languages', array())) {
foreach ($languages as $language) {
$sitemap = new stdClass();
$sitemap->context = array('language' => $language);
xmlsitemap_sitemap_save($sitemap);
}
}
else {
$sitemap = new stdClass();
$sitemap->context = array();
xmlsitemap_sitemap_save($sitemap);
}
}
// Language variable is no longer needed, so go ahead and delete it.
variable_del('xmlsitemap_languages');
// Ensure that the sitemaps will be refreshed on next cron.
variable_set('xmlsitemap_generated_last', 0);
variable_set('xmlsitemap_regenerate_needed', TRUE);
}
/**
* Convert the xmlsitemap_max_filesize variable to a max_filesize column
* per-sitemap.
*/
function xmlsitemap_update_6203() {
if (db_field_exists('xmlsitemap_sitemap', 'max_filesize')) {
return;
}
// Add the max_filesize column.
$field = array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
);
db_add_field('xmlsitemap_sitemap', 'max_filesize', $field);
// Scan each sitemap directory for the largest file.
drupal_load('module', 'xmlsitemap');
$sitemaps = xmlsitemap_sitemap_load_multiple(FALSE);
foreach ($sitemaps as $sitemap) {
xmlsitemap_sitemap_get_max_filesize($sitemap);
db_update('xmlsitemap_sitemap')
->fields(array('max_filesize' => $sitemap->max_filesize))
->condition('smid', $sitemap->smid)
->execute();
}
variable_del('xmlsitemap_max_filesize');
variable_del('xmlsitemap_max_chunks');
}
/**
* Convert {xmlsitemap}.context_hash to replace {xmlsitemap}.smid.
*/
function xmlsitemap_update_6204() {
if (db_field_exists('xmlsitemap_sitemap', 'context_hash')) {
db_drop_unique_key('xmlsitemap_sitemap', 'context_hash');
db_drop_field('xmlsitemap_sitemap', 'smid');
// Rename context_hash to the new smid column.
$smid_field = array(
'description' => 'The sitemap ID (the hashed value of {xmlsitemap}.context.',
'type' => 'varchar',
'length' => 64,
'not null' => TRUE,
);
db_change_field('xmlsitemap_sitemap', 'context_hash', 'smid', $smid_field);
// Re-add the primary key now that the smid field is changed.
// We don't need to drop the primary key since we already dropped the field
// that was the primary key.
db_add_primary_key('xmlsitemap_sitemap', array('smid'));
}
_xmlsitemap_sitemap_rehash_all();
}
/**
* Update empty string languages to LANGUAGE_NONE.
*/
function xmlsitemap_update_7200() {
db_update('xmlsitemap')
->fields(array('language' => LANGUAGE_NONE))
->condition('language', '')
->execute();
}
/**
* Re-run xmlsitemap_update_6202() to ensure sitemap data has been added.
*/
function xmlsitemap_update_7201() {
xmlsitemap_update_6202();
}
/**
* Convert the xmlsitemap_max_filesize variable to a max_filesize column
* per-sitemap.
*/
function xmlsitemap_update_7202() {
xmlsitemap_update_6203();
}
/**
* Convert {xmlsitemap}.context_hash to replace {xmlsitemap}.smid.
*/
function xmlsitemap_update_7203() {
xmlsitemap_update_6204();
_xmlsitemap_sitemap_rehash_all();
}
function _xmlsitemap_sitemap_rehash_all() {
// Reload the schema cache and reprocess all sitemap hashes into smids.
drupal_load('module', 'xmlsitemap');
drupal_get_schema(NULL, TRUE);
// Force a rehash of all sitemaps.
$sitemaps = xmlsitemap_sitemap_load_multiple(FALSE);
foreach ($sitemaps as $sitemap) {
$hash = xmlsitemap_sitemap_get_context_hash($sitemap->context);
if ($hash != $sitemap->smid) {
xmlsitemap_sitemap_save($sitemap);
}
}
}