diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/action.php | 255 |
1 files changed, 137 insertions, 118 deletions
diff --git a/lib/action.php b/lib/action.php index 7a2461bb5..486b40387 100644 --- a/lib/action.php +++ b/lib/action.php @@ -1,5 +1,5 @@ <?php -/* +/** * Laconica - a distributed open-source microblogging tool * Copyright (C) 2008, Controlez-Vous, Inc. * @@ -17,126 +17,145 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -if (!defined('LACONICA')) { exit(1); } - -class Action { // lawsuit - - var $args; - - function Action() { - } - - # For initializing members of the class - - function prepare($argarray) { - $this->args =& common_copy_args($argarray); - return true; - } - - # For comparison with If-Last-Modified - # If not applicable, return NULL - - function last_modified() { - return NULL; - } - - function etag() { - return NULL; - } - - function is_readonly() { - return false; - } - - function arg($key, $def=NULL) { - if (array_key_exists($key, $this->args)) { - return $this->args[$key]; - } else { - return $def; - } - } - - function trimmed($key, $def=NULL) { - $arg = $this->arg($key, $def); - return (is_string($arg)) ? trim($arg) : $arg; - } - - # Note: argarray ignored, since it's now passed in in prepare() - - function handle($argarray=NULL) { - - $lm = $this->last_modified(); - $etag = $this->etag(); - - if ($etag) { - header('ETag: ' . $etag); - } - - if ($lm) { - header('Last-Modified: ' . date(DATE_RFC1123, $lm)); - $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE']; - if ($if_modified_since) { - $ims = strtotime($if_modified_since); - if ($lm <= $ims) { - if (!$etag || $this->_has_etag($etag, $_SERVER['HTTP_IF_NONE_MATCH'])) { - header('HTTP/1.1 304 Not Modified'); - # Better way to do this? - exit(0); - } - } - } - } - } - - function _has_etag($etag, $if_none_match) { - return ($if_none_match) && in_array($etag, explode(',', $if_none_match)); - } - - function boolean($key, $def=false) { - $arg = strtolower($this->trimmed($key)); - - if (is_null($arg)) { - return $def; - } else if (in_array($arg, array('true', 'yes', '1'))) { - return true; - } else if (in_array($arg, array('false', 'no', '0'))) { - return false; - } else { - return $def; - } - } - - function server_error($msg, $code=500) { - $action = $this->trimmed('action'); - common_debug("Server error '$code' on '$action': $msg", __FILE__); - common_server_error($msg, $code); - } - - function client_error($msg, $code=400) { - $action = $this->trimmed('action'); - common_debug("User error '$code' on '$action': $msg", __FILE__); - common_user_error($msg, $code); - } - - function self_url() { - $action = $this->trimmed('action'); - $args = $this->args; - unset($args['action']); - foreach (array_keys($_COOKIE) as $cookie) { - unset($args[$cookie]); - } - return common_local_url($action, $args); - } - - function nav_menu($menu) { +if (!defined('LACONICA')) { + exit(1); +} + +class Action // lawsuit +{ + + var $args; + + function Action() + { + } + + // For initializing members of the class + + function prepare($argarray) + { + $this->args =& common_copy_args($argarray); + return true; + } + + // For comparison with If-Last-Modified + // If not applicable, return null + + function last_modified() + { + return null; + } + + function etag() + { + return null; + } + + function is_readonly() + { + return false; + } + + function arg($key, $def=null) + { + if (array_key_exists($key, $this->args)) { + return $this->args[$key]; + } else { + return $def; + } + } + + function trimmed($key, $def=null) + { + $arg = $this->arg($key, $def); + return (is_string($arg)) ? trim($arg) : $arg; + } + + // Note: argarray ignored, since it's now passed in in prepare() + + function handle($argarray=null) + { + + $lm = $this->last_modified(); + $etag = $this->etag(); + + if ($etag) { + header('ETag: ' . $etag); + } + + if ($lm) { + header('Last-Modified: ' . date(DATE_RFC1123, $lm)); + $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE']; + if ($if_modified_since) { + $ims = strtotime($if_modified_since); + if ($lm <= $ims) { + if (!$etag || + $this->_has_etag($etag, $_SERVER['HTTP_IF_NONE_MATCH'])) { + header('HTTP/1.1 304 Not Modified'); + // Better way to do this? + exit(0); + } + } + } + } + } + + function _has_etag($etag, $if_none_match) + { + return ($if_none_match) && in_array($etag, explode(',', $if_none_match)); + } + + function boolean($key, $def=false) + { + $arg = strtolower($this->trimmed($key)); + + if (is_null($arg)) { + return $def; + } else if (in_array($arg, array('true', 'yes', '1'))) { + return true; + } else if (in_array($arg, array('false', 'no', '0'))) { + return false; + } else { + return $def; + } + } + + function server_error($msg, $code=500) + { + $action = $this->trimmed('action'); + common_debug("Server error '$code' on '$action': $msg", __FILE__); + common_server_error($msg, $code); + } + + function client_error($msg, $code=400) + { + $action = $this->trimmed('action'); + common_debug("User error '$code' on '$action': $msg", __FILE__); + common_user_error($msg, $code); + } + + function self_url() + { + $action = $this->trimmed('action'); + $args = $this->args; + unset($args['action']); + foreach (array_keys($_COOKIE) as $cookie) { + unset($args[$cookie]); + } + return common_local_url($action, $args); + } + + function nav_menu($menu) + { $action = $this->trimmed('action'); common_element_start('ul', array('id' => 'nav_views')); foreach ($menu as $menuaction => $menudesc) { - common_menu_item(common_local_url($menuaction, isset($menudesc[2]) ? $menudesc[2] : NULL), - $menudesc[0], - $menudesc[1], - $action == $menuaction); + common_menu_item(common_local_url($menuaction, + isset($menudesc[2]) ? $menudesc[2] : null), + $menudesc[0], + $menudesc[1], + $action == $menuaction); } common_element_end('ul'); - } + } } |