[2] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare API - Commononly used functions * |
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| 4 | * This file written by Dan Kuykendall <seek3r@phpgroupware.org> * |
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| 5 | * and Joseph Engo <jengo@phpgroupware.org> * |
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| 6 | * and Mark Peters <skeeter@phpgroupware.org> * |
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| 7 | * Commononly used functions by phpGroupWare developers * |
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| 8 | * Copyright (C) 2000, 2001 Dan Kuykendall * |
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| 9 | * -------------------------------------------------------------------------* |
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| 10 | * This library is part of the eGroupWare API * |
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| 11 | * http://www.egroupware.org * |
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| 12 | * ------------------------------------------------------------------------ * |
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| 13 | * This library is free software; you can redistribute it and/or modify it * |
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| 14 | * under the terms of the GNU Lesser General Public License as published by * |
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| 15 | * the Free Software Foundation; either version 2.1 of the License, * |
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| 16 | * or any later version. * |
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| 17 | * This library is distributed in the hope that it will be useful, but * |
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * |
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| 20 | * See the GNU Lesser General Public License for more details. * |
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| 21 | * You should have received a copy of the GNU Lesser General Public License * |
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| 22 | * along with this library; if not, write to the Free Software Foundation, * |
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| 23 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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| 24 | \**************************************************************************/ |
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| 25 | |
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| 26 | |
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| 27 | $d1 = strtolower(@substr(PHPGW_API_INC,0,3)); |
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| 28 | $d2 = strtolower(@substr(PHPGW_SERVER_ROOT,0,3)); |
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| 29 | $d3 = strtolower(@substr(PHPGW_APP_INC,0,3)); |
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| 30 | if($d1 == 'htt' || $d1 == 'ftp' || $d2 == 'htt' || $d2 == 'ftp' || $d3 == 'htt' || $d3 == 'ftp') |
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| 31 | { |
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| 32 | echo 'Failed attempt to break in via an old Security Hole!<br>'."\n"; |
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| 33 | exit; |
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| 34 | } |
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| 35 | unset($d1); |
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| 36 | unset($d2); |
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| 37 | unset($d3); |
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| 38 | |
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| 39 | /*! |
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| 40 | @class datetime |
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| 41 | @abstract datetime class that contains common date/time functions |
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| 42 | */ |
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| 43 | class date_time |
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| 44 | { |
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| 45 | var $tz_offset; |
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| 46 | var $days = Array(); |
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| 47 | var $days_short = Array(); |
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| 48 | var $gmtnow = 0; |
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| 49 | var $users_localtime; |
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| 50 | var $cv_gmtdate; |
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| 51 | |
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| 52 | function date_time() |
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| 53 | { |
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| 54 | $this->tz_offset = 3600 * (int)@$GLOBALS['phpgw_info']['user']['preferences']['common']['tz_offset']; |
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| 55 | print_debug('datetime::datetime::gmtnow',$this->gmtnow,'api'); |
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| 56 | |
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| 57 | $error_occured = True; |
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| 58 | // If we already have a GMT time, no need to do this again. |
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| 59 | if(!$this->gmtnow) |
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| 60 | { |
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| 61 | if(isset($GLOBALS['phpgw_info']['server']['tz_offset'])) |
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| 62 | { |
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| 63 | $this->gmtnow = time() - ((int)$GLOBALS['phpgw_info']['server']['tz_offset'] * 3600); |
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| 64 | print_debug('datetime::datetime::tz_offset',"set via tz_offset=".$GLOBALS['phpgw_info']['server']['tz_offset'].": gmtnow=".date('Y/m/d H:i',$this->gmtnow),'api'); |
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| 65 | } |
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| 66 | else |
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| 67 | { |
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| 68 | $this->gmtnow = time() - ($this->getbestguess() * 3600); |
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| 69 | print_debug('datetime::datetime::bestguess',"set via bestguess=".$this->getbestguess().": gmtnow=".date('Y/m/d H:i',$this->gmtnow),'api'); |
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| 70 | } |
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| 71 | } |
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| 72 | $this->users_localtime = time() + $this->tz_offset; |
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| 73 | } |
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| 74 | |
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| 75 | function getntpoffset() |
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| 76 | { |
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| 77 | $error_occured = False; |
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| 78 | if(!@is_object($GLOBALS['phpgw']->network)) |
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| 79 | { |
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| 80 | $GLOBALS['phpgw']->network = createobject('phpgwapi.network'); |
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| 81 | } |
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| 82 | $server_time = time(); |
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| 83 | |
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| 84 | if($GLOBALS['phpgw']->network->open_port('129.6.15.28',13,5)) |
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| 85 | { |
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| 86 | $line = $GLOBALS['phpgw']->network->bs_read_port(64); |
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| 87 | $GLOBALS['phpgw']->network->close_port(); |
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| 88 | |
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| 89 | $array = explode(' ',$line); |
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| 90 | // host: 129.6.15.28 |
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| 91 | // Value returned is 52384 02-04-20 13:55:29 50 0 0 9.2 UTC(NIST) * |
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| 92 | print_debug('Server datetime',time(),'api'); |
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| 93 | print_debug('Temporary NTP datetime',$line,'api'); |
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| 94 | if ($array[5] == 4) |
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| 95 | { |
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| 96 | $error_occured = True; |
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| 97 | } |
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| 98 | else |
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| 99 | { |
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| 100 | $date = explode('-',$array[1]); |
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| 101 | $time = explode(':',$array[2]); |
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| 102 | $this->gmtnow = mktime((int)$time[0],(int)$time[1],(int)$time[2],(int)$date[1],(int)$date[2],(int)$date[0] + 2000); |
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| 103 | print_debug('Temporary RFC epoch',$this->gmtnow,'api'); |
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| 104 | print_debug('GMT',date('Ymd H:i:s',$this->gmtnow),'api'); |
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| 105 | } |
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| 106 | } |
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| 107 | else |
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| 108 | { |
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| 109 | $error_occured = True; |
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| 110 | } |
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| 111 | |
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| 112 | if($error_occured == True) |
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| 113 | { |
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| 114 | return $this->getbestguess(); |
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| 115 | } |
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| 116 | else |
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| 117 | { |
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| 118 | return (int)(($server_time - $this->gmtnow) / 3600); |
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| 119 | } |
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| 120 | } |
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| 121 | |
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| 122 | function gethttpoffset() |
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| 123 | { |
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| 124 | $error_occured = False; |
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| 125 | if(!@is_object($GLOBALS['phpgw']->network)) |
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| 126 | { |
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| 127 | $GLOBALS['phpgw']->network = createobject('phpgwapi.network'); |
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| 128 | } |
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| 129 | $server_time = time(); |
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| 130 | |
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| 131 | $filename = 'http://132.163.4.213/timezone.cgi?GMT'; |
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| 132 | $file = $GLOBALS['phpgw']->network->gethttpsocketfile($filename); |
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| 133 | if(!$file) |
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| 134 | { |
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| 135 | return $this->getbestguess(); |
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| 136 | } |
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| 137 | $time = strip_tags($file[55]); |
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| 138 | $date = strip_tags($file[56]); |
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| 139 | |
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| 140 | print_debug('GMT DateTime',$date.' '.$time,'api'); |
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| 141 | $dt_array = explode(' ',$date); |
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| 142 | $temp_datetime = $dt_array[0].' '.substr($dt_array[2],0,-1).' '.substr($dt_array[1],0,3).' '.$dt_array[3].' '.$time.' GMT'; |
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| 143 | print_debug('Reformulated GMT DateTime',$temp_datetime,'api'); |
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| 144 | $this->gmtnow = $this->convert_rfc_to_epoch($temp_datetime); |
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| 145 | print_debug('this->gmtnow',$this->gmtnow,'api'); |
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| 146 | print_debug('server time',$server_time,'api'); |
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| 147 | print_debug('server DateTime',date('D, d M Y H:i:s',$server_time),'api'); |
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| 148 | return (int)(($server_time - $this->gmtnow) / 3600); |
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| 149 | } |
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| 150 | |
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| 151 | function getbestguess() |
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| 152 | { |
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| 153 | print_debug('datetime::datetime::debug: Inside getting from local server','api'); |
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| 154 | $server_time = time(); |
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| 155 | // Calculate GMT time... |
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| 156 | // If DST, add 1 hour... |
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| 157 | // - (date('I') == 1?3600:0) |
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| 158 | $this->gmtnow = $this->convert_rfc_to_epoch(gmdate('D, d M Y H:i:s',$server_time).' GMT'); |
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| 159 | return (int)(($server_time - $this->gmtnow) / 3600); |
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| 160 | } |
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| 161 | |
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| 162 | function convert_rfc_to_epoch($date_str) |
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| 163 | { |
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| 164 | $comma_pos = strpos($date_str,','); |
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| 165 | if($comma_pos) |
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| 166 | { |
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| 167 | $date_str = substr($date_str,$comma_pos+1); |
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| 168 | } |
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| 169 | |
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| 170 | // This may need to be a reference to the different months in native tongue.... |
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| 171 | $month= array( |
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| 172 | 'Jan' => 1, |
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| 173 | 'Feb' => 2, |
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| 174 | 'Mar' => 3, |
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| 175 | 'Apr' => 4, |
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| 176 | 'May' => 5, |
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| 177 | 'Jun' => 6, |
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| 178 | 'Jul' => 7, |
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| 179 | 'Aug' => 8, |
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| 180 | 'Sep' => 9, |
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| 181 | 'Oct' => 10, |
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| 182 | 'Nov' => 11, |
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| 183 | 'Dec' => 12 |
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| 184 | ); |
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| 185 | $dta = array(); |
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| 186 | $ta = array(); |
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| 187 | |
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| 188 | // Convert "15 Jul 2000 20:50:22 +0200" to unixtime |
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| 189 | $dta = explode(' ',$date_str); |
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| 190 | $ta = explode(':',$dta[4]); |
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| 191 | |
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| 192 | if(substr($dta[5],0,3) <> 'GMT') |
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| 193 | { |
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| 194 | $tzoffset = substr($dta[5],0,1); |
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| 195 | $tzhours = (int)substr($dta[5],1,2); |
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| 196 | $tzmins = (int)substr($dta[5],3,2); |
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| 197 | switch ($tzoffset) |
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| 198 | { |
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| 199 | case '-': |
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| 200 | (int)$ta[0] += $tzhours; |
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| 201 | (int)$ta[1] += $tzmins; |
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| 202 | break; |
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| 203 | case '+': |
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| 204 | (int)$ta[0] -= $tzhours; |
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| 205 | (int)$ta[1] -= $tzmins; |
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| 206 | break; |
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| 207 | } |
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| 208 | } |
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| 209 | return mktime($ta[0],$ta[1],$ta[2],$month[$dta[2]],$dta[1],$dta[3]); |
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| 210 | } |
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| 211 | |
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| 212 | function get_weekday_start($year,$month,$day) |
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| 213 | { |
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| 214 | $weekday = $this->day_of_week($year,$month,$day); |
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| 215 | switch($GLOBALS['phpgw_info']['user']['preferences']['calendar']['weekdaystarts']) |
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| 216 | { |
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| 217 | // Saturday is for arabic support |
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| 218 | case 'Saturday': |
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| 219 | $this->days = Array( |
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| 220 | 0 => 'Sat', |
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| 221 | 1 => 'Sun', |
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| 222 | 2 => 'Mon', |
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| 223 | 3 => 'Tue', |
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| 224 | 4 => 'Wed', |
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| 225 | 5 => 'Thu', |
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| 226 | 6 => 'Fri' |
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| 227 | ); |
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| 228 | $this->days_short = Array( |
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| 229 | 0 => 'Sa', |
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| 230 | 1 => 'Su', |
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| 231 | 2 => 'Mo', |
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| 232 | 3 => 'Tu', |
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| 233 | 4 => 'We', |
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| 234 | 5 => 'Th', |
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| 235 | 6 => 'Fr' |
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| 236 | ); |
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| 237 | switch($weekday) |
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| 238 | { |
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| 239 | case 0: |
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| 240 | $sday = mktime(2,0,0,$month,$day - 1,$year); |
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| 241 | break; |
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| 242 | case 6: |
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| 243 | $sday = mktime(2,0,0,$month,$day,$year); |
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| 244 | break; |
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| 245 | default: |
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| 246 | $sday = mktime(2,0,0,$month,$day - ($weekday + 1),$year); |
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| 247 | break; |
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| 248 | } |
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| 249 | break; |
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| 250 | case 'Monday': |
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| 251 | $this->days = Array( |
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| 252 | 0 => 'Mon', |
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| 253 | 1 => 'Tue', |
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| 254 | 2 => 'Wed', |
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| 255 | 3 => 'Thu', |
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| 256 | 4 => 'Fri', |
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| 257 | 5 => 'Sat', |
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| 258 | 6 => 'Sun' |
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| 259 | ); |
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| 260 | $this->days_short = Array( |
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| 261 | 0 => 'Mo', |
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| 262 | 1 => 'Tu', |
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| 263 | 2 => 'We', |
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| 264 | 3 => 'Th', |
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| 265 | 4 => 'Fr', |
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| 266 | 5 => 'Sa', |
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| 267 | 6 => 'Su' |
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| 268 | ); |
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| 269 | switch($weekday) |
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| 270 | { |
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| 271 | case 0: |
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| 272 | $sday = mktime(2,0,0,$month,$day - 6,$year); |
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| 273 | break; |
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| 274 | case 1: |
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| 275 | $sday = mktime(2,0,0,$month,$day,$year); |
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| 276 | break; |
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| 277 | default: |
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| 278 | $sday = mktime(2,0,0,$month,$day - ($weekday - 1),$year); |
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| 279 | break; |
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| 280 | } |
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| 281 | break; |
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| 282 | case 'Sunday': |
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| 283 | default: |
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| 284 | $this->days = Array( |
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| 285 | 0 => 'Sun', |
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| 286 | 1 => 'Mon', |
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| 287 | 2 => 'Tue', |
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| 288 | 3 => 'Wed', |
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| 289 | 4 => 'Thu', |
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| 290 | 5 => 'Fri', |
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| 291 | 6 => 'Sat' |
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| 292 | ); |
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| 293 | $this->days_short = Array( |
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| 294 | 0 => 'Su', |
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| 295 | 1 => 'Mo', |
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| 296 | 2 => 'Tu', |
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| 297 | 3 => 'We', |
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| 298 | 4 => 'Th', |
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| 299 | 5 => 'Fr', |
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| 300 | 6 => 'Sa' |
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| 301 | ); |
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| 302 | $sday = mktime(2,0,0,$month,$day - $weekday,$year); |
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| 303 | break; |
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| 304 | } |
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| 305 | return $sday - 7200; |
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| 306 | } |
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| 307 | |
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| 308 | function is_leap_year($year) |
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| 309 | { |
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| 310 | if (((int)$year % 4 == 0) && ((int)$year % 100 != 0) || ((int)$year % 400 == 0)) |
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| 311 | { |
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| 312 | return 1; |
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| 313 | } |
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| 314 | else |
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| 315 | { |
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| 316 | return 0; |
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| 317 | } |
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| 318 | } |
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| 319 | |
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| 320 | function days_in_month($month,$year) |
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| 321 | { |
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| 322 | $days = Array( |
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| 323 | 1 => 31, |
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| 324 | 2 => 28 + $this->is_leap_year((int)$year), |
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| 325 | 3 => 31, |
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| 326 | 4 => 30, |
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| 327 | 5 => 31, |
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| 328 | 6 => 30, |
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| 329 | 7 => 31, |
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| 330 | 8 => 31, |
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| 331 | 9 => 30, |
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| 332 | 10 => 31, |
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| 333 | 11 => 30, |
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| 334 | 12 => 31 |
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| 335 | ); |
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| 336 | return $days[(int)$month]; |
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| 337 | } |
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| 338 | |
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| 339 | function date_valid($year,$month,$day) |
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| 340 | { |
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| 341 | return checkdate((int)$month,(int)$day,(int)$year); |
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| 342 | } |
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| 343 | |
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| 344 | function time_valid($hour,$minutes,$seconds) |
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| 345 | { |
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| 346 | if((int)$hour < 0 || (int)$hour > 24) |
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| 347 | { |
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| 348 | return False; |
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| 349 | } |
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| 350 | if((int)$minutes < 0 || (int)$minutes > 59) |
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| 351 | { |
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| 352 | return False; |
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| 353 | } |
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| 354 | if((int)$seconds < 0 || (int)$seconds > 59) |
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| 355 | { |
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| 356 | return False; |
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| 357 | } |
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| 358 | |
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| 359 | return True; |
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| 360 | } |
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| 361 | |
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| 362 | function day_of_week($year,$month,$day) |
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| 363 | { |
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| 364 | if($month > 2) |
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| 365 | { |
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| 366 | $month -= 2; |
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| 367 | } |
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| 368 | else |
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| 369 | { |
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| 370 | $month += 10; |
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| 371 | $year--; |
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| 372 | } |
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| 373 | $day = (floor((13 * $month - 1) / 5) + $day + ($year % 100) + floor(($year % 100) / 4) + floor(($year / 100) / 4) - 2 * floor($year / 100) + 77); |
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| 374 | return (($day - 7 * floor($day / 7))); |
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| 375 | } |
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| 376 | |
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| 377 | function day_of_year($year,$month,$day) |
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| 378 | { |
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| 379 | $days = array(0,31,59,90,120,151,181,212,243,273,304,334); |
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| 380 | |
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| 381 | $julian = ($days[$month - 1] + $day); |
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| 382 | |
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| 383 | if($month > 2 && $this->is_leap_year($year)) |
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| 384 | { |
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[7655] | 385 | ++$julian; |
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[2] | 386 | } |
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| 387 | return($julian); |
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| 388 | } |
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| 389 | |
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| 390 | /*! |
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| 391 | @function days_between |
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| 392 | @abstract Get the number of days between two dates |
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| 393 | @author Steven Cramer/Ralf Becker |
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| 394 | @param $m1 - Month_1, $d1 - Day_1, $y1 - Year_1, $m2 - Month_2, $d2 - Day_2, $y2 - Year_2 |
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| 395 | @note the last param == 0, ensures that the calculation is always done without daylight-saveing |
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| 396 | */ |
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| 397 | function days_between($m1,$d1,$y1,$m2,$d2,$y2) |
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| 398 | { |
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| 399 | return (int)((mktime(0,0,0,$m2,$d2,$y2,0) - mktime(0,0,0,$m1,$d1,$y1,0)) / 86400); |
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| 400 | } |
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| 401 | |
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| 402 | function date_compare($a_year,$a_month,$a_day,$b_year,$b_month,$b_day) |
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| 403 | { |
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| 404 | $a_date = mktime(0,0,0,(int)$a_month,(int)$a_day,(int)$a_year); |
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| 405 | $b_date = mktime(0,0,0,(int)$b_month,(int)$b_day,(int)$b_year); |
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| 406 | if($a_date == $b_date) |
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| 407 | { |
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| 408 | return 0; |
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| 409 | } |
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| 410 | elseif($a_date > $b_date) |
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| 411 | { |
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| 412 | return 1; |
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| 413 | } |
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| 414 | elseif($a_date < $b_date) |
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| 415 | { |
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| 416 | return -1; |
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| 417 | } |
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| 418 | } |
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| 419 | |
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| 420 | function time_compare($a_hour,$a_minute,$a_second,$b_hour,$b_minute,$b_second) |
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| 421 | { |
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| 422 | // I use the 1970/1/2 to compare the times, as the 1. can get via TZ-offest still |
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| 423 | // before 1970/1/1, which is the earliest date allowed on windows |
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| 424 | $a_time = mktime((int)$a_hour,(int)$a_minute,(int)$a_second,1,2,1970); |
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| 425 | $b_time = mktime((int)$b_hour,(int)$b_minute,(int)$b_second,1,2,1970); |
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| 426 | if($a_time == $b_time) |
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| 427 | { |
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| 428 | return 0; |
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| 429 | } |
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| 430 | elseif($a_time > $b_time) |
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| 431 | { |
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| 432 | return 1; |
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| 433 | } |
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| 434 | elseif($a_time < $b_time) |
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| 435 | { |
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| 436 | return -1; |
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| 437 | } |
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| 438 | } |
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| 439 | |
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| 440 | function makegmttime($hour,$minute,$second,$month,$day,$year) |
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| 441 | { |
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| 442 | return $this->gmtdate(mktime($hour, $minute, $second, $month, $day, $year)); |
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| 443 | } |
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| 444 | |
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| 445 | // Note common:show_date converts server- to user-time, before it returns the requested format !!! |
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| 446 | function localdates($localtime) |
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| 447 | { |
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| 448 | $date = Array('raw','day','month','year','full','dow','dm','bd'); |
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| 449 | $date['raw'] = $localtime; |
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| 450 | $date['year'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'Y'); |
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| 451 | $date['month'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'m'); |
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| 452 | $date['day'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'d'); |
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| 453 | $date['full'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'Ymd'); |
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| 454 | $date['bd'] = mktime(0,0,0,$date['month'],$date['day'],$date['year']); |
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| 455 | $date['dm'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'dm'); |
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| 456 | $date['dow'] = $this->day_of_week($date['year'],$date['month'],$date['day']); |
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| 457 | $date['hour'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'H'); |
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| 458 | $date['minute'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'i'); |
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| 459 | $date['second'] = (int)$GLOBALS['phpgw']->common->show_date($date['raw'],'s'); |
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| 460 | |
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| 461 | return $date; |
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| 462 | } |
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| 463 | |
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| 464 | function gmtdate($localtime) |
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| 465 | { |
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| 466 | return $this->localdates($localtime - $this->tz_offset); |
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| 467 | } |
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| 468 | } |
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| 469 | ?> |
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