* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
-require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
-require_once INSTALLDIR.'/classes/File.php';
-require_once INSTALLDIR.'/classes/File_oembed.php';
-
-define('USER_AGENT', 'StatusNet user agent / file probe');
+if (!defined('GNUSOCIAL')) { exit(1); }
/**
* Table Definition for file_redirection
*/
-class File_redirection extends Memcached_DataObject
+class File_redirection extends Managed_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'file_redirection'; // table name
- public $url; // varchar(255) primary_key not_null
+ public $urlhash; // varchar(64) primary_key not_null
+ public $url; // text
public $file_id; // int(4)
public $redirections; // int(4)
public $httpcode; // int(4)
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
- /* Static get */
- function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('File_redirection',$k,$v); }
-
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
+ public static function schemaDef()
+ {
+ return array(
+ 'fields' => array(
+ 'urlhash' => array('type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'sha256 hash of the URL'),
+ 'url' => array('type' => 'text', 'description' => 'short URL (or any other kind of redirect) for file (id)'),
+ 'file_id' => array('type' => 'int', 'description' => 'short URL for what URL/file'),
+ 'redirections' => array('type' => 'int', 'description' => 'redirect count'),
+ 'httpcode' => array('type' => 'int', 'description' => 'HTTP status code (20x, 30x, etc.)'),
+ 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
+ ),
+ 'primary key' => array('urlhash'),
+ 'foreign keys' => array(
+ 'file_redirection_file_id_fkey' => array('file' => array('file_id' => 'id')),
+ ),
+ );
+ }
+
+ static public function getByUrl($url)
+ {
+ return self::getByPK(array('urlhash' => File::hashurl($url)));
+ }
+
static function _commonHttp($url, $redirs) {
$request = new HTTPClient($url);
$request->setConfig(array(
* size (optional): byte size from Content-Length header
* time (optional): timestamp from Last-Modified header
*/
- public function lookupWhere($short_url, $redirs = 10, $protected = false) {
+ static function lookupWhere($short_url, $redirs = 10, $protected = false) {
if ($redirs < 0) return false;
if(strpos($short_url,'://') === false){
* size (optional): byte size from Content-Length header
* time (optional): timestamp from Last-Modified header
*/
- public function where($in_url, $discover=true) {
+ static function where($in_url, $discover=true) {
// let's see if we know this...
- $a = File::staticGet('url', $in_url);
-
- if (!empty($a)) {
+ try {
+ $a = File::getByUrl($in_url);
// this is a direct link to $a->url
return $a->url;
- } else {
- $b = File_redirection::staticGet('url', $in_url);
- if (!empty($b)) {
+ } catch (NoResultException $e) {
+ try {
+ $b = File_redirection::getByUrl($in_url);
// this is a redirect to $b->file_id
- $a = File::staticGet('id', $b->file_id);
+ $a = File::getByID($b->file_id);
return $a->url;
+ } catch (NoResultException $e) {
+ // Oh well, let's keep going
}
}
if ($discover) {
$ret = File_redirection::lookupWhere($in_url);
return $ret;
- } else {
- // No manual dereferencing; leave the unknown URL as is.
- return $in_url;
}
+
+ // No manual dereferencing; leave the unknown URL as is.
+ return $in_url;
}
/**
* @param User $user whose shortening options to use; defaults to the current web session user
* @return string
*/
- function makeShort($long_url, $user=null)
+ static function makeShort($long_url, $user=null)
{
$canon = File_redirection::_canonUrl($long_url);
// Did we get one? Is it shorter?
- if (!empty($short_url)) {
- return $short_url;
- } else {
- return $long_url;
- }
+ return !empty($short_url) ? $short_url : $long_url;
}
/**
* @return string
*/
- function forceShort($long_url, $user)
+ static function forceShort($long_url, $user)
{
$canon = File_redirection::_canonUrl($long_url);
$short_url = File_redirection::_userMakeShort($canon, $user, true);
// Did we get one? Is it shorter?
- if (!empty($short_url)) {
- return $short_url;
- } else {
- return $long_url;
- }
+ return !empty($short_url) ? $short_url : $long_url;
}
- function _userMakeShort($long_url, User $user=null, $force = false) {
+ static function _userMakeShort($long_url, User $user=null, $force = false) {
$short_url = common_shorten_url($long_url, $user, $force);
if (!empty($short_url) && $short_url != $long_url) {
$short_url = (string)$short_url;
// store it
- $file = File::staticGet('url', $long_url);
- if (empty($file)) {
+ $file = File::getKV('url', $long_url);
+ if ($file instanceof File) {
+ $file_id = $file->getID();
+ } else {
// Check if the target URL is itself a redirect...
$redir_data = File_redirection::where($long_url);
if (is_array($redir_data)) {
// We haven't seen the target URL before.
// Save file and embedding data about it!
$file = File::saveNew($redir_data, $long_url);
- $file_id = $file->id;
- if (!empty($redir_data['oembed']['json'])) {
- File_oembed::saveNew($redir_data['oembed']['json'], $file_id);
- }
+ $file_id = $file->getID();
} else if (is_string($redir_data)) {
// The file is a known redirect target.
- $file = File::staticGet('url', $redir_data);
+ $file = File::getKV('url', $redir_data);
if (empty($file)) {
// @fixme should we save a new one?
// this case was triggering sometimes for redirects
// SSL sites with cert issues.
return null;
}
- $file_id = $file->id;
+ $file_id = $file->getID();
}
- } else {
- $file_id = $file->id;
}
- $file_redir = File_redirection::staticGet('url', $short_url);
- if (empty($file_redir)) {
+ $file_redir = File_redirection::getKV('url', $short_url);
+ if (!$file_redir instanceof File_redirection) {
$file_redir = new File_redirection;
+ $file_redir->urlhash = File::hashurl($short_url);
$file_redir->url = $short_url;
$file_redir->file_id = $file_id;
$file_redir->insert();
* @param string $default_scheme if given a bare link; defaults to 'http://'
* @return string
*/
- function _canonUrl($in_url, $default_scheme = 'http://') {
+ static function _canonUrl($in_url, $default_scheme = 'http://') {
if (empty($in_url)) return false;
$out_url = $in_url;
$p = parse_url($out_url);
if (empty($p['host']) || empty($p['scheme'])) {
list($scheme) = explode(':', $in_url, 2);
- switch ($scheme) {
+ switch (strtolower($scheme)) {
case 'fax':
case 'tel':
$out_url = str_replace('.-()', '', $out_url);
break;
case 'mailto':
+ case 'magnet':
case 'aim':
case 'jabber':
case 'xmpp':
return $out_url;
}
- function saveNew($data, $file_id, $url) {
+ static function saveNew($data, $file_id, $url) {
$file_redir = new File_redirection;
+ $file_redir->urlhash = File::hashurl($short_url);
$file_redir->url = $url;
$file_redir->file_id = $file_id;
$file_redir->redirections = intval($data['redirects']);
$file_redir->httpcode = intval($data['code']);
$file_redir->insert();
}
+
+ static public function beforeSchemaUpdate()
+ {
+ $table = strtolower(get_called_class());
+ $schema = Schema::get();
+ $schemadef = $schema->getTableDef($table);
+
+ // 2015-02-19 We have to upgrade our table definitions to have the urlhash field populated
+ if (isset($schemadef['fields']['urlhash']) && in_array('urlhash', $schemadef['primary key'])) {
+ // We already have the urlhash field, so no need to migrate it.
+ return;
+ }
+ echo "\nFound old $table table, upgrading it to contain 'urlhash' field...";
+ // We have to create a urlhash that is _not_ the primary key,
+ // transfer data and THEN run checkSchema
+ $schemadef['fields']['urlhash'] = array (
+ 'type' => 'varchar',
+ 'length' => 64,
+ 'not null' => true,
+ 'description' => 'sha256 hash of the URL',
+ );
+ $schemadef['fields']['url'] = array (
+ 'type' => 'text',
+ 'description' => 'short URL (or any other kind of redirect) for file (id)',
+ );
+ unset($schemadef['primary key']);
+ $schema->ensureTable($table, $schemadef);
+ echo "DONE.\n";
+
+ $classname = ucfirst($table);
+ $tablefix = new $classname;
+ // urlhash is hash('sha256', $url) in the File table
+ echo "Updating urlhash fields in $table table...";
+ // Maybe very MySQL specific :(
+ $tablefix->query(sprintf('UPDATE %1$s SET %2$s=%3$s;',
+ $schema->quoteIdentifier($table),
+ 'urlhash',
+ // The line below is "result of sha256 on column `url`"
+ 'SHA2(url, 256)'));
+ echo "DONE.\n";
+ echo "Resuming core schema upgrade...";
+ }
}