/* XXX: break up into separate modules (HTTP, user, files) */
-// Show a server error
-
+/**
+ * Show a server error.
+ */
function common_server_error($msg, $code=500)
{
$err = new ServerErrorAction($msg, $code);
$err->showPage();
}
-// Show a user error
+/**
+ * Show a user error.
+ */
function common_user_error($msg, $code=400)
{
$err = new ClientErrorAction($msg, $code);
// Finally, if none of the above worked, use the site's default...
return common_config('site', 'language');
}
-// salted, hashed passwords are stored in the DB
+/**
+ * Salted, hashed passwords are stored in the DB.
+ */
function common_munge_password($password, $id)
{
if (is_object($id) || is_object($password)) {
return md5($password . $id);
}
-// check if a username exists and has matching password
-
+/**
+ * Check if a username exists and has matching password.
+ */
function common_check_user($nickname, $password)
{
// empty nickname always unacceptable
return $authenticatedUser;
}
-// is the current user logged in?
+/**
+ * Is the current user logged in?
+ */
function common_logged_in()
{
return (!is_null(common_current_user()));
// 3) null to clear
// Initialize to false; set to null if none found
-
$_cur = false;
function common_set_user($user)
{
-
global $_cur;
if (is_null($user) && common_have_session()) {
function common_remembered_user()
{
-
$user = null;
$packed = isset($_COOKIE[REMEMBERME]) ? $_COOKIE[REMEMBERME] : null;
return $user;
}
-// must be called with a valid user!
-
+/**
+ * must be called with a valid user!
+ */
function common_forgetme()
{
common_set_cookie(REMEMBERME, '', 0);
}
-// who is the current user?
+/**
+ * Who is the current user?
+ */
function common_current_user()
{
global $_cur;
return $_cur;
}
-// Logins that are 'remembered' aren't 'real' -- they're subject to
-// cookie-stealing. So, we don't let them do certain things. New reg,
-// OpenID, and password logins _are_ real.
-
+/**
+ * Logins that are 'remembered' aren't 'real' -- they're subject to
+ * cookie-stealing. So, we don't let them do certain things. New reg,
+ * OpenID, and password logins _are_ real.
+ */
function common_real_login($real=true)
{
common_ensure_session();
return common_logged_in() && $_SESSION['real_login'];
}
+/**
+ * Get a hash portion for HTTP caching Etags and such including
+ * info on the current user's session. If login/logout state changes,
+ * or we've changed accounts, or we've renamed the current user,
+ * we'll get a new hash value.
+ *
+ * This should not be considered secure information.
+ *
+ * @param User $user (optional; uses common_current_user() if left out)
+ * @return string
+ */
+function common_user_cache_hash($user=false)
+{
+ if ($user === false) {
+ $user = common_current_user();
+ }
+ if ($user) {
+ return crc32($user->id . ':' . $user->nickname);
+ } else {
+ return '0';
+ }
+}
+
// get canonical version of nickname for comparison
function common_canonical_nickname($nickname)
{
}
if (Event::handle('StartFindMentions', array($sender, $text, &$mentions))) {
-
// Get the context of the original notice, if any
-
$originalAuthor = null;
$originalNotice = null;
$originalMentions = array();
$matches = array_merge($tmatches[1], $atmatches[1]);
foreach ($matches as $match) {
-
$nickname = common_canonical_nickname($match[0]);
// Try to get a profile for this nickname.
// sender context.
if (!empty($originalAuthor) && $originalAuthor->nickname == $nickname) {
-
$mentioned = $originalAuthor;
-
} else if (!empty($originalMentions) &&
array_key_exists($nickname, $originalMentions)) {
-
$mentioned = $originalMentions[$nickname];
} else {
$mentioned = common_relative_profile($sender, $nickname);
}
if (!empty($mentioned)) {
-
$user = User::staticGet('id', $mentioned->id);
if ($user) {
}
}
+/**
+ * Very basic stripping of invalid UTF-8 input text.
+ *
+ * @param string $str
+ * @return mixed string or null if invalid input
+ *
+ * @todo ideally we should drop bad chars, and maybe do some of the checks
+ * from common_xml_safe_str. But we can't strip newlines, etc.
+ * @todo Unicode normalization might also be useful, but not needed now.
+ */
+function common_validate_utf8($str)
+{
+ // preg_replace will return NULL on invalid UTF-8 input.
+ //
+ // Note: empty regex //u also caused NULL return on some
+ // production machines, but none of our test machines.
+ //
+ // This should be replaced with a more reliable check.
+ return preg_replace('/\x00/u', '', $str);
+}
+
+/**
+ * Make sure an arbitrary string is safe for output in XML as a single line.
+ *
+ * @param string $str
+ * @return string
+ */
function common_xml_safe_str($str)
{
// Replace common eol and extra whitespace input chars
// TRANS: Used in notices to indicate when the notice was made compared to now.
return _('about a minute ago');
} else if ($diff < 3300) {
- // XXX: should support plural.
+ $minutes = round($diff/60);
// TRANS: Used in notices to indicate when the notice was made compared to now.
- return sprintf(_('about %d minutes ago'), round($diff/60));
+ return sprintf( ngettext('about one minute ago', 'about %d minutes ago', $minutes), $minutes);
} else if ($diff < 5400) {
// TRANS: Used in notices to indicate when the notice was made compared to now.
return _('about an hour ago');
} else if ($diff < 22 * 3600) {
- // XXX: should support plural.
+ $hours = round($diff/3600);
// TRANS: Used in notices to indicate when the notice was made compared to now.
- return sprintf(_('about %d hours ago'), round($diff/3600));
+ return sprintf( ngettext('about one hour ago', 'about %d hours ago', $hours), $hours);
} else if ($diff < 37 * 3600) {
// TRANS: Used in notices to indicate when the notice was made compared to now.
return _('about a day ago');
} else if ($diff < 24 * 24 * 3600) {
- // XXX: should support plural.
+ $days = round($diff/(24*3600));
// TRANS: Used in notices to indicate when the notice was made compared to now.
- return sprintf(_('about %d days ago'), round($diff/(24*3600)));
+ return sprintf( ngettext('about one day ago', 'about %d days ago', $days), $days);
} else if ($diff < 46 * 24 * 3600) {
// TRANS: Used in notices to indicate when the notice was made compared to now.
return _('about a month ago');
} else if ($diff < 330 * 24 * 3600) {
- // XXX: should support plural.
+ $months = round($diff/(30*24*3600));
// TRANS: Used in notices to indicate when the notice was made compared to now.
- return sprintf(_('about %d months ago'), round($diff/(30*24*3600)));
+ return sprintf( ngettext('about one month ago', 'about %d months ago',$months), $months);
} else if ($diff < 480 * 24 * 3600) {
// TRANS: Used in notices to indicate when the notice was made compared to now.
return _('about a year ago');
null, null, false);
}
-// Should make up a reasonable root URL
-
+/**
+ * Should make up a reasonable root URL
+ */
function common_root_url($ssl=false)
{
$url = common_path('', $ssl, false);
return $url;
}
-// returns $bytes bytes of random data as a hexadecimal string
-// "good" here is a goal and not a guarantee
-
+/**
+ * returns $bytes bytes of random data as a hexadecimal string
+ * "good" here is a goal and not a guarantee
+ */
function common_good_rand($bytes)
{
// XXX: use random.org...?
{
$objstr = common_log_objstring($object);
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
- common_log(LOG_ERR, $last_error->message . '(' . $verb . ' on ' . $objstr . ')', $filename);
+ if (is_object($last_error)) {
+ $msg = $last_error->message;
+ } else {
+ $msg = 'Unknown error (' . var_export($last_error, true) . ')';
+ }
+ common_log(LOG_ERR, $msg . '(' . $verb . ' on ' . $objstr . ')', $filename);
}
function common_log_objstring(&$object)
array_key_exists($sub, $config[$main])) ? $config[$main][$sub] : false;
}
+/**
+ * Pull arguments from a GET/POST/REQUEST array with first-level input checks:
+ * strips "magic quotes" slashes if necessary, and kills invalid UTF-8 strings.
+ *
+ * @param array $from
+ * @return array
+ */
function common_copy_args($from)
{
$to = array();
$strip = get_magic_quotes_gpc();
foreach ($from as $k => $v) {
- if($strip) {
- if(is_array($v)) {
- $to[$k] = common_copy_args($v);
- } else {
- $to[$k] = stripslashes($v);
- }
+ if(is_array($v)) {
+ $to[$k] = common_copy_args($v);
} else {
- $to[$k] = $v;
+ if ($strip) {
+ $v = stripslashes($v);
+ }
+ $to[$k] = strval(common_validate_utf8($v));
}
}
return $to;
return $_SESSION['token'];
}
-function common_cache_key($extra)
-{
- return Cache::key($extra);
-}
-
-function common_keyize($str)
-{
- return Cache::keyize($str);
-}
-
function common_license_terms($uri)
{
if(preg_match('/creativecommons.org\/licenses\/([^\/]+)/', $uri, $matches)) {
*/
function common_database_tablename($tablename)
{
-
if(common_config('db','quote_identifiers')) {
$tablename = '"'. $tablename .'"';
}
projects / quix0rs-gnu-social.git / blobdiff