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<?php |
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/* This file is part of the wp-forecast plugin for wordpress */ |
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|
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/* Copyright 2006-2009 Hans Matzen (email : webmaster at tuxlog dot de) |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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if (!function_exists('fetchURL')) { |
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|
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// |
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// this function fetches an url an returns it as one whole string |
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// |
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function fetchURL($url) |
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{ |
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pdebug(1,"Start of fetchURL ()"); |
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|
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// get timeout parameter |
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$timeout = get_option("wp-forecast-timeout"); |
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if ( $timeout =="") |
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$timeout = 10; |
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|
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|
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if ( function_exists("wp_remote_request") ) { |
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pdebug(1,"Using wp_remote_request"); |
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|
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// switch to wp-forecast transport |
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switch_wpf_transport(true); |
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|
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$wprr_args = array( |
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'timeout' => $timeout, |
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'decompress' => false, |
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'headers' => array( |
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'Connection' => 'Close', |
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'Accept' => '*/*' |
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) |
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); |
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|
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|
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// use generic wordpress function to retrieve data |
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$s = time(); |
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$resp = wp_remote_request($url, $wprr_args); |
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$e = time(); |
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|
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if ( is_wp_error($resp) ) |
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$blen = "-1"; |
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else |
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$blen = strlen( $resp['body'] ); |
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|
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pdebug(1,"Fetch took ".(int) ($e-$s) . " seconds and got ".$blen." Bytes."); |
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|
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// switch to wp-forecast transport |
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switch_wpf_transport(false); |
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|
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if ( is_wp_error($resp) ) { |
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$errcode = $resp->get_error_code(); |
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$errmesg = $resp->get_error_message($errcode); |
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|
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$erg="<ADC_DATABASE><FAILURE>Connection Error:".$errcode . "<br/>"; |
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$erg .= $errmesg ."</FAILURE></ADC_DATABASE>\n"; |
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} else |
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$erg = $resp['body']; |
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|
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|
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} else { |
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pdebug(1,"Using build in fsockopen method"); |
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// fallback to old fsockopen variant |
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$url_parsed = parse_url($url); |
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$host = $url_parsed["host"]; |
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if (!isset($url_parsed["port"])) |
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$port = 80; |
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else |
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$port = $url_parsed["port"]; |
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|
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$path = $url_parsed["path"]; |
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if ($url_parsed["query"] != "") $path .= "?" . $url_parsed["query"]; |
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$out = "GET $path HTTP/1.0\r\nHost: $host\r\n\r\n"; |
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// open connection |
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$fp = @fsockopen($host, $port, $errno, $errstr, $timeout); |
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|
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$erg = ""; |
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if ($fp) { |
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// set timeout for reading |
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stream_set_timeout($fp, $timeout); |
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// send request |
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fwrite($fp, $out); |
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$body = false; |
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// read answer |
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while (!feof($fp)) { |
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$s = fgets($fp, 1024); |
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if ($body) $erg .= $s; |
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if ($s == "\r\n") $body = true; |
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} |
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// close connection |
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fclose($fp); |
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} else { |
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// error handling |
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$erg="<ADC_DATABASE><FAILURE>Connection Error:".$errno. " >> ". $errstr ."</FAILURE></ADC_DATABASE>\n"; |
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} |
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} |
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|
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// workaround for bug in decompress function, class wp_http in wp 2.9 |
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$derg = @gzinflate($erg); |
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if ($derg !== false) |
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$erg = $derg; |
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|
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pdebug(1,"End of fetchURL ()"); |
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|
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return $erg; |
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} |
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|
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|
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// |
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// converts the given wind parameters into a suitable windstring |
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// |
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function windstr($metric,$wspeed,$windunit) |
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{ |
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pdebug(2,"Start of windstr ()"); |
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|
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// if its mph convert it to m/s |
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if ($metric != 1) |
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$wspeed = round($wspeed * 0.44704,0); |
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|
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// convert it to selected unit |
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switch ($windunit) { |
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case "ms": |
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$wunit="m/s"; |
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break; |
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case "kmh": |
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$wspeed=round($wspeed*3.6,0); |
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$wunit="km/h"; |
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break; |
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case "mph": |
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$wspeed=round($wspeed*2.23694,0); |
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$wunit="mph"; |
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break; |
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case "kts": |
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$wspeed=round($wspeed*1.9438,0); |
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$wunit="kts"; |
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break; |
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case "bft": |
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$wbft = 0; |
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$bft = array(0.3, 1.6, 3.4, 5.5, 8.0, 10.8, 13.9, 17.2, 20.8, 24.5, 28.5, 32.7); |
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foreach($bft as $b) |
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{ |
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if ($wspeed < $b) |
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{ |
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$wbft--; |
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break; |
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} |
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$wbft++; |
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} |
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$wunit="bft"; |
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$wspeed = $wbft; |
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break; |
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} |
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|
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pdebug(2,"End of windstr ()"); |
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|
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return $wspeed." ".$wunit; |
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} |
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|
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|
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// |
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// wrapper to make sure the correct option is used whether multisite or wp is used |
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// only wraps main parameters and pass through all others |
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// |
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function wpf_get_option($name) |
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{ |
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global $blog_id; |
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|
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if ( !function_exists("is_multisite") || ! is_multisite() || $blog_id==1 ) |
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return get_option($name); |
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else { |
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// this is the multisite part |
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if ( $name == "wpf_sa_defaults" or |
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$name == "wpf_sa_allowed" ) |
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return get_blog_option(1, $name); |
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else |
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return get_blog_option($blog_id, $name); |
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} |
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} |
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|
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// |
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// wrapper for update option to hide differences between wp and wpmu |
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// |
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// |
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function wpf_update_option($name, $value) |
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{ |
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global $blog_id; |
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|
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if ( !function_exists("is_multisite") || ! is_multisite() || $blog_id==1) |
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update_option($name, $value); |
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else |
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update_blog_option($blog_id, $name, $value); |
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} |
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|
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// |
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// wrapper for add option to hide differences between wp and wpmu |
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// |
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// |
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function wpf_add_option($name, $value) |
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{ |
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global $blog_id; |
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|
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if ( !function_exists("is_multisite") || ! is_multisite() || $blog_id==1 ) |
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add_option($name, $value); |
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else |
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add_blog_option($blog_id, $name, $value); |
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} |
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|
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// |
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// reads all wp-forecast options and returns an array |
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// |
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function get_wpf_opts($wpfcid) |
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{ |
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pdebug(1,"Start of get_wpf_opts ($wpfcid)"); |
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|
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global $blog_id; |
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|
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$av=array(); |
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$opt = wpf_get_option("wp-forecast-opts".$wpfcid); |
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|
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if (! empty($opt)) |
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{ |
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// unpack if necessary |
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$av=maybe_unserialize($opt); |
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} |
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else if (get_option("wp-forecast-location".$wpfcid) !="" ) |
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{ |
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// get old widget options from database |
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$av['service'] = get_option("wp-forecast-service".$wpfcid); |
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$av['apikey1'] = get_option("wp-forecast-apikey1".$wpfcid); |
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$av['apikey2'] = get_option("wp-forecast-apikey2".$wpfcid); |
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$av['location'] = get_option("wp-forecast-location".$wpfcid); |
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$av['locname'] = get_option("wp-forecast-locname".$wpfcid); |
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$av['refresh'] = get_option("wp-forecast-refresh".$wpfcid); |
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$av['metric'] = get_option("wp-forecast-metric".$wpfcid); |
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$av['wpf_language'] = get_option("wp-forecast-language".$wpfcid); |
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$av['daytime'] = get_option("wp-forecast-daytime".$wpfcid); |
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$av['nighttime'] = get_option("wp-forecast-nighttime".$wpfcid); |
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$av['dispconfig'] = get_option("wp-forecast-dispconfig".$wpfcid); |
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$av['windunit'] = get_option("wp-forecast-windunit".$wpfcid); |
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$av['currtime'] = get_option("wp-forecast-currtime".$wpfcid); |
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$av['timeoffset'] = get_option("wp-forecast-timeoffset".$wpfcid); |
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$av['title'] = get_option("wp-forecast-title".$wpfcid); |
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// replace old options by new one row option |
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wpf_add_option("wp-forecast-opts".$wpfcid,serialize($av)); |
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// remove old options from database |
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delete_option("wp-forecast-location".$wpfcid); |
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delete_option("wp-forecast-locname".$wpfcid); |
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delete_option("wp-forecast-refresh".$wpfcid); |
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delete_option("wp-forecast-metric".$wpfcid); |
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delete_option("wp-forecast-language".$wpfcid); |
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delete_option("wp-forecast-daytime".$wpfcid); |
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delete_option("wp-forecast-nighttime".$wpfcid); |
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delete_option("wp-forecast-dispconfig".$wpfcid); |
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delete_option("wp-forecast-windunit".$wpfcid); |
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delete_option("wp-forecast-currtime".$wpfcid); |
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delete_option("wp-forecast-title".$wpfcid); |
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delete_option("wp-forecast-service".$wpfcid); |
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delete_option("wp-forecast-apikey1".$wpfcid); |
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delete_option("wp-forecast-apikey2".$wpfcid); |
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} |
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else |
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{ |
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$av=array(); |
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} |
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|
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// add expire options |
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$av['expire']=get_option("wp-forecast-expire".$wpfcid); |
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|
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// add generic options |
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$av['fc_date_format']=get_option("date_format"); |
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$av['fc_time_format']=get_option("time_format"); |
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$av['xmlerror']=""; |
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|
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// set static uris for each provider |
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//$av['BASE_URI']="http://host1/accuweather/weather_data.php?"; // for testing |
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$av['ACCU_LOC_URI']="http://forecastfox.accuweather.com/adcbin/forecastfox/locate_city.asp?location="; |
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$av['ACCU_BASE_URI']="http://forecastfox.accuweather.com/adcbin/forecastfox/weather_data.asp?"; |
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|
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$av['BUG_LOC_URI']="http://#apicode#.api.wxbug.net/getLocationsXML.aspx?ACode=#apicode#&SearchString="; |
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//$av['BUG_STAT_URI']="http://#apicode#.api.wxbug.net/getStationsXML.aspx?ACode=#apicode#&cityCode="; |
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$av['BUG_BASE_URI']="http://#apicode#.api.wxbug.net/getLiveWeatherRSS.aspx?ACode=#apicode#&cityCode="; |
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$av['BUG_FORC_URI']="http://#apicode#.api.wxbug.net/getForecastRSS.aspx?ACode=#apicode#&cityCode="; |
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|
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$av['GOOGLE_LOC_URI']="http://forecastfox.accuweather.com/adcbin/forecastfox/locate_city.asp?location="; |
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$av['GOOGLE_BASE_URI']="http://www.google.com/ig/api?"; |
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|
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// if we use multisite then merge admin options |
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if ( function_exists("is_multisite") && is_multisite() && $blog_id !=1) |
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{ |
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|
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// read defaults and allowed fields |
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$defaults = maybe_unserialize(wpf_get_option("wpf_sa_defaults")); |
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$allowed = maybe_unserialize(wpf_get_option("wpf_sa_allowed")); |
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// in case allowed is still empty |
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if (!$allowed) |
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$allowed=array(); |
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|
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// set wpf_maxwidgets for users |
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global $blog_id, $wpf_maxwidgets; |
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if ($blog_id > "1" and isset($defaults["wp-forecast-count"])) |
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$wpf_maxwidgets = $defaults["wp-forecast-count"]; |
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|
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// map rest of fields |
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foreach($allowed as $f => $fswitch) |
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{ |
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$fname = substr($f,3); // strip ue_ prefix |
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|
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if ( $fswitch != "1" or ! isset($av[ $fname ]) ) |
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{ |
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// replace value in av with forced default |
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if (array_key_exists($fname, $defaults)) |
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$av[ $fname ] = $defaults[$fname]; |
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} |
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} |
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|
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} |
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|
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pdebug(1,"End of get_wpf_opts ()"); |
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|
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return $av; |
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} |
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|
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|
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// |
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// build the url from the parameters and fetch the weather-data |
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// return it as one long string |
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// |
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function get_weather($uri,$loc,$metric) |
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{ |
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pdebug(1,"Start of get_weather ()"); |
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|
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$url=$uri . "location=" . urlencode($loc) . "&metric=" . |
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$metric; |
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|
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$xml = fetchURL($url); |
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|
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pdebug(1,"End of get_weather ()"); |
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|
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return $xml; |
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} |
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|
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// |
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// just return the css link |
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// this function is called via the wp_head hook |
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// |
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function wp_forecast_css($wpfcid="A") |
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{ |
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pdebug(1,"Start of function wp_forecast_css ()"); |
| 365 |
|
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$def = "wp-forecast-default.css"; |
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$user = "wp-forecast.css"; |
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|
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if (file_exists( WP_PLUGIN_DIR . "/wp-forecast/" . $user)) |
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$def =$user; |
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|
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$plugin_url = plugins_url("wp-forecast/"); |
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|
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//wp_register_style('wpf_css', $plugin_url . $def); |
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//wp_enqueue_style( 'wpf_css'); |
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|
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echo '<link rel="stylesheet" id="wp-forecast-css" href="'. $plugin_url . $def . '" type="text/css" media="screen" />' ."\n"; |
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|
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pdebug(1,"End of function wp_forecast_css ()"); |
| 380 |
} |
| 381 |
|
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|
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// |
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// just return the css link when not using wordpress |
| 385 |
// this function is called when showing widget directly via wp-forecast-show.php |
| 386 |
// |
| 387 |
function wp_forecast_css_nowp($wpfcid="A") |
| 388 |
{ |
| 389 |
pdebug(1,"Start of function wp_forecast_css_nowp ()"); |
| 390 |
|
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$def = "wp-forecast-default-nowp.css"; |
| 392 |
$user = "wp-forecast-nowp.css"; |
| 393 |
|
| 394 |
if (file_exists( WP_PLUGIN_DIR . "/wp-forecast/" . $user)) |
| 395 |
$def =$user; |
| 396 |
|
| 397 |
$plugin_url = plugins_url("wp-forecast/"); |
| 398 |
|
| 399 |
echo '<link rel="stylesheet" id="wp-forecast-nowp-css" href="'. $plugin_url . $def . '" type="text/css" media="screen" />' ."\n"; |
| 400 |
|
| 401 |
pdebug(1,"End of function wp_forecast_css_nowp ()"); |
| 402 |
} |
| 403 |
|
| 404 |
|
| 405 |
// |
| 406 |
// little debug output routine |
| 407 |
// |
| 408 |
if (! function_exists("pdebug") ) |
| 409 |
{ |
| 410 |
function pdebug($level,$dstr) |
| 411 |
{ |
| 412 |
global $wpf_debug; |
| 413 |
if ($wpf_debug >= $level) |
| 414 |
echo $dstr."<br />\n"; |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
// |
| 419 |
// returns the number's widget id used with wp-forecast |
| 420 |
// maximum is 999999 :-) |
| 421 |
// |
| 422 |
function get_widget_id($number) |
| 423 |
{ |
| 424 |
// if negative take the first id |
| 425 |
if ($number < 0 ) |
| 426 |
return "A"; |
| 427 |
|
| 428 |
// the first widgets use chars above we go with 0 padded numbers |
| 429 |
if ( $number <= 25 ) |
| 430 |
return substr("ABCDEFGHIJKLMNOPQRSTUVWXYZ",$number,1); |
| 431 |
else |
| 432 |
return str_pad($number, 6, "0", STR_PAD_LEFT); |
| 433 |
} |
| 434 |
|
| 435 |
// |
| 436 |
// function tries to determine the icon path for icon number ino |
| 437 |
// |
| 438 |
function find_icon($ino) |
| 439 |
{ |
| 440 |
$path = ABSPATH . "wp-content/plugins/wp-forecast/icons/".$ino; |
| 441 |
$ext=".gif"; |
| 442 |
|
| 443 |
if ( file_exists($path.".gif") ) |
| 444 |
$ext= ".gif"; |
| 445 |
else if ( file_exists($path.".png") ) |
| 446 |
$ext= ".png"; |
| 447 |
else if ( file_exists($path.".jpg") ) |
| 448 |
$ext= ".jpg"; |
| 449 |
else if ( file_exists($path.".GIF") ) |
| 450 |
$ext= ".GIF"; |
| 451 |
else if ( file_exists($path.".PNG") ) |
| 452 |
$ext= ".PNG"; |
| 453 |
else if ( file_exists($path.".JPG") ) |
| 454 |
$ext= ".JPG"; |
| 455 |
else if ( file_exists($path.".jpeg") ) |
| 456 |
$ext= ".jpeg"; |
| 457 |
else if ( file_exists($path.".JPEG") ) |
| 458 |
$ext= ".JPEG"; |
| 459 |
return $ino . $ext; |
| 460 |
} |
| 461 |
|
| 462 |
function translate_winddir($wdir,$tdom) |
| 463 |
{ |
| 464 |
// translate winddir char by char |
| 465 |
$winddir=""; |
| 466 |
for ($i=0;$i<strlen($wdir);$i++) |
| 467 |
$winddir=$winddir . __($wdir{$i},$tdom); |
| 468 |
return $winddir; |
| 469 |
} |
| 470 |
|
| 471 |
} |
| 472 |
|
| 473 |
/* |
| 474 |
functions to check the wordpress transport methods |
| 475 |
|
| 476 |
if wpf selected transport option is set to empty, |
| 477 |
then we are in probing mode and do not change the wordpress result |
| 478 |
else we only keep alive what was selected via admin dialog |
| 479 |
|
| 480 |
*/ |
| 481 |
|
| 482 |
function wpf_check_fsockopen($use, $args = array()) |
| 483 |
{ |
| 484 |
$sel_transport = wpf_get_option("wp-forecast-wp-transport"); |
| 485 |
if ( $sel_transport == "" || $sel_transport == "default" ) |
| 486 |
return $use; |
| 487 |
else if ( $sel_transport == "fsockopen" ) |
| 488 |
return true; |
| 489 |
else |
| 490 |
return false; |
| 491 |
} |
| 492 |
|
| 493 |
function wpf_check_fopen($use, $args = array()) |
| 494 |
{ |
| 495 |
$sel_transport = wpf_get_option("wp-forecast-wp-transport"); |
| 496 |
if ( $sel_transport == "" || $sel_transport == "default" ) |
| 497 |
return $use; |
| 498 |
else if ( $sel_transport == "fopen" ) |
| 499 |
return true; |
| 500 |
else |
| 501 |
return false; |
| 502 |
} |
| 503 |
|
| 504 |
function wpf_check_streams($use, $args = array()) |
| 505 |
{ |
| 506 |
$sel_transport = wpf_get_option("wp-forecast-wp-transport"); |
| 507 |
if ( $sel_transport == "" || $sel_transport == "default" ) |
| 508 |
return $use; |
| 509 |
else if ( $sel_transport == "streams" ) |
| 510 |
return true; |
| 511 |
else |
| 512 |
return false; |
| 513 |
} |
| 514 |
|
| 515 |
function wpf_check_exthttp($use, $args = array()) |
| 516 |
{ |
| 517 |
$sel_transport = wpf_get_option("wp-forecast-wp-transport"); |
| 518 |
if ( $sel_transport == "" || $sel_transport == "default" ) |
| 519 |
return $use; |
| 520 |
else if ( $sel_transport == "exthttp" ) |
| 521 |
return true; |
| 522 |
else |
| 523 |
return false; |
| 524 |
} |
| 525 |
|
| 526 |
function wpf_check_curl($use, $args = array()) |
| 527 |
{ |
| 528 |
$sel_transport = wpf_get_option("wp-forecast-wp-transport"); |
| 529 |
if ( $sel_transport == "" || $sel_transport == "default" ) |
| 530 |
return $use; |
| 531 |
else if ( $sel_transport == "curl" ) |
| 532 |
return true; |
| 533 |
else |
| 534 |
return false; |
| 535 |
} |
| 536 |
|
| 537 |
// function to get the list of supported transports ignoring |
| 538 |
// any preset method |
| 539 |
if (! function_exists("get_wp_transports") ) |
| 540 |
{ |
| 541 |
function get_wp_transports() |
| 542 |
{ |
| 543 |
$tlist = array(); |
| 544 |
|
| 545 |
// remove but store selected transport |
| 546 |
$wp_transport = wpf_get_option("wp-forecast-wp-transport"); |
| 547 |
wpf_update_option("wp-forecast-wp-transport","default"); |
| 548 |
|
| 549 |
// get wordpress default transports |
| 550 |
$wplist = array(); |
| 551 |
|
| 552 |
//if ( true === WP_Http_ExtHttp::test( array() ) ) |
| 553 |
//$tlist[] = "exthttp"; |
| 554 |
|
| 555 |
if ( true === WP_Http_Fsockopen::test( array() ) ) |
| 556 |
$tlist[] = "fsockopen"; |
| 557 |
|
| 558 |
if ( true === WP_Http_Streams::test( array() ) ) |
| 559 |
$tlist[] = "streams"; |
| 560 |
|
| 561 |
// disabled fopen, since this class sends no headers |
| 562 |
//if ( true === WP_Http_Fopen::test( array() ) ) |
| 563 |
// $tlist[] = "fopen"; |
| 564 |
|
| 565 |
if ( true === WP_Http_Curl::test( array() ) ) |
| 566 |
$tlist[] = "curl"; |
| 567 |
|
| 568 |
|
| 569 |
// write back selected transport |
| 570 |
wpf_update_option("wp-forecast-wp-transport",$wp_transport); |
| 571 |
|
| 572 |
return $tlist; |
| 573 |
} |
| 574 |
} |
| 575 |
|
| 576 |
// |
| 577 |
// function to turn on/off wp-forecast preselected transport |
| 578 |
// |
| 579 |
function switch_wpf_transport($sw) |
| 580 |
{ |
| 581 |
$wptrans = "default"; |
| 582 |
|
| 583 |
if ($sw == true) |
| 584 |
$wptrans = wpf_get_option("wp-forecast-pre-transport"); |
| 585 |
|
| 586 |
pdebug(1,"Setting preselected transport to ".$wptrans); |
| 587 |
update_option("wp-forecast-wp-transport",$wptrans); |
| 588 |
} |
| 589 |
?> |
| 590 |
|
