X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=lib%2Futil.php;h=eb019ac7ee849f97d243295c0ce164f7da293773;hb=0ba99486039b10686a520e22ef50385625e5b9ae;hp=12680112634e444a5aa18b80bbb5b49ec25dee75;hpb=bf5ae8e69a971b6310641f5a963292a64609d0e8;p=quix0rs-gnu-social.git diff --git a/lib/util.php b/lib/util.php index 1268011263..eb019ac7ee 100644 --- a/lib/util.php +++ b/lib/util.php @@ -21,16 +21,57 @@ # Show a server error -function common_server_error($msg) { - header('Status: 500 Server Error'); +function common_server_error($msg, $code=500) { + static $status = array(500 => 'Internal Server Error', + 501 => 'Not Implemented', + 502 => 'Bad Gateway', + 503 => 'Service Unavailable', + 504 => 'Gateway Timeout', + 505 => 'HTTP Version Not Supported'); + + if (!array_key_exists($code, $status)) { + $code = 500; + } + + $status_string = $status[$code]; + + header('HTTP/1.1 '.$code.' '.$status_string); header('Content-type: text/plain'); print $msg; + print "\n"; exit(); } # Show a user error -function common_user_error($msg, $code=200) { +function common_user_error($msg, $code=400) { + static $status = array(400 => 'Bad Request', + 401 => 'Unauthorized', + 402 => 'Payment Required', + 403 => 'Forbidden', + 404 => 'Not Found', + 405 => 'Method Not Allowed', + 406 => 'Not Acceptable', + 407 => 'Proxy Authentication Required', + 408 => 'Request Timeout', + 409 => 'Conflict', + 410 => 'Gone', + 411 => 'Length Required', + 412 => 'Precondition Failed', + 413 => 'Request Entity Too Large', + 414 => 'Request-URI Too Long', + 415 => 'Unsupported Media Type', + 416 => 'Requested Range Not Satisfiable', + 417 => 'Expectation Failed'); + + if (!array_key_exists($code, $status)) { + $code = 400; + } + + $status_string = $status[$code]; + + header('HTTP/1.1 '.$code.' '.$status_string); + common_show_header('Error'); common_element('div', array('class' => 'error'), $msg); common_show_footer(); @@ -82,10 +123,24 @@ function common_end_xml() { $xw->flush(); } -function common_show_header($pagetitle, $callable=NULL, $data=NULL) { +define('PAGE_TYPE_PREFS', 'application/xhtml+xml,text/html;q=0.7,application/xml;q=0.3,text/xml;q=0.2'); + +function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=NULL) { global $config, $xw; - header('Content-Type: application/xhtml+xml'); + $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : NULL; + + # XXX: allow content negotiation for RDF, RSS, or XRDS + + $type = common_negotiate_type(common_accept_to_prefs($httpaccept), + common_accept_to_prefs(PAGE_TYPE_PREFS)); + + if (!$type) { + common_client_error(_t('This page is not available in a media type you accept'), 406); + exit(0); + } + + header('Content-Type: '.$type); common_start_xml('html', '-//W3C//DTD XHTML 1.0 Strict//EN', @@ -102,16 +157,20 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL) { $pagetitle . " - " . $config['site']['name']); common_element('link', array('rel' => 'stylesheet', 'type' => 'text/css', - 'href' => common_path('theme/default/style/html.css'), - 'media' => 'screen, projection, tv')); - common_element('link', array('rel' => 'stylesheet', - 'type' => 'text/css', - 'href' => common_path('theme/default/style/layout.css'), + 'href' => theme_path('display.css'), 'media' => 'screen, projection, tv')); - common_element('link', array('rel' => 'stylesheet', - 'type' => 'text/css', - 'href' => common_path('theme/default/style/print.css'), - 'media' => 'print')); + foreach (array(6,7) as $ver) { + if (file_exists(theme_file('ie'.$ver.'.css'))) { + # Yes, IE people should be put in jail. + $xw->writeComment('[if lte IE '.$ver.']> $url), $url); + common_end_xml(); } -function common_broadcast_notice($notice) { - // XXX: broadcast notices to remote subscribers - // XXX: broadcast notices to SMS +function common_broadcast_notice($notice, $remote=false) { + // XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ + if (!$remote) { + # Make sure we have the OMB stuff + require_once(INSTALLDIR.'/lib/omb.php'); + omb_broadcast_remote_subscribers($notice); + } // XXX: broadcast notices to Jabber + // XXX: broadcast notices to SMS // XXX: broadcast notices to other IM - // XXX: use a queue system like http://code.google.com/p/microapps/wiki/NQDQ + return true; +} + +function common_broadcast_profile($profile) { + // XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ + require_once(INSTALLDIR.'/lib/omb.php'); + omb_broadcast_profile($profile); + // XXX: Other broadcasts...? return true; } @@ -481,17 +648,32 @@ function common_profile_url($nickname) { return common_local_url('showstream', array('nickname' => $nickname)); } +# Don't call if nobody's logged in + function common_notice_form() { - common_element_start('form', array('id' => 'newnotice', 'method' => 'POST', + $user = common_current_user(); + assert(!is_null($user)); + common_element_start('form', array('id' => 'status_form', + 'method' => 'POST', 'action' => common_local_url('newnotice'))); - common_textarea('noticecontent', _t('What\'s up?')); - common_submit('submit', _t('Send')); + common_element_start('p'); + common_element('label', array('for' => 'status_update', + 'id' => 'status_label'), + _t('What\'s up, ').$user->nickname.'?'); + common_element('textarea', array('id' => 'status_textarea', + 'name' => 'status_textarea'), + ' '); + common_element('input', array('id' => 'status_submit', + 'name' => 'status_submit', + 'type' => 'submit', + 'value' => _t('Send'))); + common_element_end('p'); common_element_end('form'); } function common_mint_tag($extra) { global $config; - return + return 'tag:'.$config['tag']['authority'].','. $config['tag']['date'].':'.$config['tag']['prefix'].$extra; } @@ -547,9 +729,161 @@ function common_get_returnto() { function common_timestamp() { return date('YmdHis'); } - + // XXX: set up gettext function _t($str) { return $str; } + +function common_ensure_syslog() { + static $initialized = false; + if (!$initialized) { + global $config; + define_syslog_variables(); + openlog($config['syslog']['appname'], 0, LOG_USER); + $initialized = true; + } +} + +function common_log($priority, $msg, $filename=NULL) { + common_ensure_syslog(); + syslog($priority, $msg); +} + +function common_debug($msg, $filename=NULL) { + if ($filename) { + common_log(LOG_DEBUG, basename($filename).' - '.$msg); + } else { + common_log(LOG_DEBUG, $msg); + } +} + +function common_valid_http_url($url) { + return Validate::uri($url, array('allowed_schemes' => array('http', 'https'))); +} + +function common_valid_tag($tag) { + if (preg_match('/^tag:(.*?),(\d{4}(-\d{2}(-\d{2})?)?):(.*)$/', $tag, $matches)) { + return (Validate::email($matches[1]) || + preg_match('/^([\w-\.]+)$/', $matches[1])); + } + return false; +} + +# Does a little before-after block for next/prev page + +function common_pagination($have_before, $have_after, $page, $action, $args=NULL) { + + if ($have_before || $have_after) { + common_element_start('div', array('id' => 'pagination')); + common_element_start('ul', array('id' => 'nav_pagination')); + } + + if ($have_before) { + $pargs = array('page' => $page-1); + $newargs = ($args) ? array_merge($args,$pargs) : $pargs; + + common_element_start('li', 'before'); + common_element('a', array('href' => common_local_url($action, $newargs)), + _t('« After')); + common_element_end('li'); + } + + if ($have_after) { + $pargs = array('page' => $page+1); + $newargs = ($args) ? array_merge($args,$pargs) : $pargs; + common_element_start('li', 'after'); + common_element('a', array('href' => common_local_url($action, $newargs)), + _t('Before »')); + common_element_end('li'); + } + + if ($have_before || $have_after) { + common_element_end('ul'); + common_element_end('div'); + } +} + +/* Following functions are copied from MediaWiki GlobalFunctions.php + * and written by Evan Prodromou. */ + +function common_accept_to_prefs($accept, $def = '*/*') { + # No arg means accept anything (per HTTP spec) + if(!$accept) { + return array($def => 1); + } + + $prefs = array(); + + $parts = explode(',', $accept); + + foreach($parts as $part) { + # FIXME: doesn't deal with params like 'text/html; level=1' + @list($value, $qpart) = explode(';', $part); + $match = array(); + if(!isset($qpart)) { + $prefs[$value] = 1; + } elseif(preg_match('/q\s*=\s*(\d*\.\d+)/', $qpart, $match)) { + $prefs[$value] = $match[1]; + } + } + + return $prefs; +} + +function common_mime_type_match($type, $avail) { + if(array_key_exists($type, $avail)) { + return $type; + } else { + $parts = explode('/', $type); + if(array_key_exists($parts[0] . '/*', $avail)) { + return $parts[0] . '/*'; + } elseif(array_key_exists('*/*', $avail)) { + return '*/*'; + } else { + return NULL; + } + } +} + +function common_negotiate_type($cprefs, $sprefs) { + $combine = array(); + + foreach(array_keys($sprefs) as $type) { + $parts = explode('/', $type); + if($parts[1] != '*') { + $ckey = common_mime_type_match($type, $cprefs); + if($ckey) { + $combine[$type] = $sprefs[$type] * $cprefs[$ckey]; + } + } + } + + foreach(array_keys($cprefs) as $type) { + $parts = explode('/', $type); + if($parts[1] != '*' && !array_key_exists($type, $sprefs)) { + $skey = common_mime_type_match($type, $sprefs); + if($skey) { + $combine[$type] = $sprefs[$skey] * $cprefs[$type]; + } + } + } + + $bestq = 0; + $besttype = NULL; + + foreach(array_keys($combine) as $type) { + if($combine[$type] > $bestq) { + $besttype = $type; + $bestq = $combine[$type]; + } + } + + return $besttype; +} + +function common_config($main, $sub) { + global $config; + return $config[$main][$sub]; +}