1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
<?php
// jared-2002.10.30, I want to make sure my published calendars are world-read/writeable
// so I have this making sure they all are. This should be commented out/deleted
// for shipping versions. This is a convenience so when I commit, changes are made and
// I don't get errors.
//chmod(BASE.'calendars/School.ics',0666);
// uncomment when developing, comment for shipping version
error_reporting (E_ERROR | E_WARNING | E_PARSE);
// Older versions of PHP do not define $_SERVER. Define it here instead.
if (!isset($_SERVER) && isset($HTTP_SERVER_VARS)) {
$_SERVER = &$HTTP_SERVER_VARS;
}
// Define some magic strings.
$ALL_CALENDARS_COMBINED = 'all_calendars_combined971';
// Pull in the configuration and some functions.
if (!defined('BASE')) define('BASE', './');
include_once(BASE.'config.inc.php');
include_once(BASE.'functions/error.php');
include_once(BASE.'functions/calendar_functions.php');
if (isset($HTTP_COOKIE_VARS['phpicalendar'])) {
$phpicalendar = unserialize(stripslashes($HTTP_COOKIE_VARS['phpicalendar']));
if (isset($phpicalendar['cookie_language'])) $language = $phpicalendar['cookie_language'];
if (isset($phpicalendar['cookie_calendar'])) $default_cal_check = $phpicalendar['cookie_calendar'];
if (isset($phpicalendar['cookie_view'])) $default_view = $phpicalendar['cookie_view'];
if (isset($phpicalendar['cookie_style'])) $style_sheet = $phpicalendar['cookie_style'];
if (isset($phpicalendar['cookie_startday'])) $week_start_day = $phpicalendar['cookie_startday'];
if (isset($phpicalendar['cookie_time'])) $day_start = $phpicalendar['cookie_time'];
}
// Set the cookie URI.
if ($cookie_uri == '') {
$cookie_uri = $HTTP_SERVER_VARS['SERVER_NAME'].substr($HTTP_SERVER_VARS['PHP_SELF'],0,strpos($HTTP_SERVER_VARS['PHP_SELF'], '/'));
}
if ($bleed_time == '') $bleed_time = $day_start;
// If not HTTP authenticated, try login via cookies or the web page.
$username = ''; $password = '';
if (!isset($_SERVER['PHP_AUTH_USER'])) {
// Look for a login cookie.
if (isset($HTTP_COOKIE_VARS['phpicalendar_login'])) {
$login_cookie = unserialize(stripslashes($HTTP_COOKIE_VARS['phpicalendar_login']));
if (isset($login_cookie['username'])) $username = $login_cookie['username'];
if (isset($login_cookie['password'])) $password = $login_cookie['password'];
}
// Look for a new username and password.
if (isset($HTTP_GET_VARS['username'])) $username = $HTTP_GET_VARS['username'];
else if (isset($HTTP_POST_VARS['username'])) $username = $HTTP_POST_VARS['username'];
if (isset($HTTP_GET_VARS['password'])) $password = $HTTP_GET_VARS['password'];
else if (isset($HTTP_POST_VARS['password'])) $password = $HTTP_POST_VARS['password'];
// Grab the action (login or logout).
if (isset($HTTP_GET_VARS['action'])) $action = $HTTP_GET_VARS['action'];
else if (isset($HTTP_POST_VARS['action'])) $action = $HTTP_POST_VARS['action'];
else $action = '';
// Check to make sure the username and password is valid.
if ($action == 'login' && !key_exists("$username:$password", $locked_map)) {
// Don't login, instead logout.
$action = 'logout';
// Remember the invalid login, because we may want to
// display a message elsewhere.
$invalid_login = true;
} else {
$invalid_login = false;
}
// Set the login cookie if logging in. Clear it if logging out.
if ($action == 'login') {
$the_cookie = serialize(array('username' => $username, 'password' => $password));
setcookie('phpicalendar_login', $the_cookie, time()+(60*60*24*7*12*10), '/', $cookie_uri, 0);
} else if ($action == 'logout') {
setcookie('phpicalendar_login', '', time()-(60*60*24*7), '/', $cookie_uri, 0);
$username = ''; $password = '';
}
}
// language support
$language = strtolower($language);
$lang_file = BASE.'/languages/'.$language.'.inc.php';
if (file_exists($lang_file)) {
include($lang_file);
} else {
exit(error('The requested language "'.$language.'" is not a supported language. Please use the configuration file to choose a supported language.'));
}
if (!isset($getdate)) {
if (isset($HTTP_GET_VARS['getdate']) && ($HTTP_GET_VARS['getdate'] !== '')) {
$getdate = $HTTP_GET_VARS['getdate'];
} else {
$getdate = date('Ymd', strtotime("now + $second_offset seconds"));
}
}
if (ini_get('max_execution_time') < 60) {
@ini_set('max_execution_time', '60');
}
if ($calendar_path == '') {
$calendar_path = 'calendars';
$calendar_path_orig = $calendar_path;
$calendar_path = BASE.$calendar_path;
}
$is_webcal = FALSE;
if (isset($HTTP_GET_VARS['cal']) && $HTTP_GET_VARS['cal'] != '') {
$cal_filename = urldecode($HTTP_GET_VARS['cal']);
} else {
if (isset($default_cal_check)) {
if ($default_cal_check != $ALL_CALENDARS_COMBINED) {
$calcheck = $calendar_path.'/'.$default_cal_check.'.ics';
$calcheckopen = @fopen($calcheck, "r");
if ($calcheckopen == FALSE) {
$cal_filename = $default_cal;
} else {
$cal_filename = $default_cal_check;
}
} else {
$cal_filename = $ALL_CALENDARS_COMBINED;
}
} else {
$cal_filename = $default_cal;
}
}
if (substr($cal_filename, 0, 7) == 'http://' || substr($cal_filename, 0, 8) == 'https://' || substr($cal_filename, 0, 9) == 'webcal://') {
$is_webcal = TRUE;
$cal_webcalPrefix = str_replace('http://','webcal://',$cal_filename);
$cal_httpPrefix = str_replace('webcal://','http://',$cal_filename);
$cal_httpsPrefix = str_replace('webcal://','https://',$cal_filename);
$cal_httpsPrefix = str_replace('http://','https://',$cal_httpsPrefix);
$cal_filename = $cal_httpPrefix;
}
if ($is_webcal) {
if ($allow_webcals == 'yes' || in_array($cal_webcalPrefix, $list_webcals) || in_array($cal_httpPrefix, $list_webcals) || in_array($cal_httpsPrefix, $list_webcals)) {
$cal_displayname = substr(str_replace('32', ' ', basename($cal_filename)), 0, -4);
$cal = urlencode($cal_filename);
$filename = $cal_filename;
$subscribe_path = $cal_webcalPrefix;
// empty the filelist array
$cal_filelist = array();
array_push($cal_filelist,$filename);
} else {
exit(error($error_remotecal_lang, $HTTP_GET_VARS['cal']));
}
} else {
$cal_displayname = str_replace('32', ' ', $cal_filename);
$cal = urlencode($cal_filename);
if (in_array($cal_filename, $blacklisted_cals)) {
exit(error($error_restrictedcal_lang, $cal_filename));
} else {
if (!isset($filename)) {
$cal_filelist = availableCalendars($username, $password, $cal_filename);
if (count($cal_filelist) == 1) $filename = $cal_filelist[0];
}
// Sets the download and subscribe paths from the config if present.
if ($download_uri == '' && preg_match('/(^\/|\.\.\/)/', $filename) == 0) {
$subscribe_path = 'webcal://'.$HTTP_SERVER_VARS['SERVER_NAME'].dirname($HTTP_SERVER_VARS['PHP_SELF']).'/'.$filename;
$download_filename = $filename;
} elseif ($download_uri != '') {
$newurl = eregi_replace("^(http://)", "", $download_uri);
$subscribe_path = 'webcal://'.$newurl.'/'.$cal_filename.'.ics';
$download_filename = $download_uri.'/'.$cal_filename.'.ics';
} else {
$subscribe_path = '';
$download_filename = '';
}
}
}
$rss_powered = ($enable_rss == 'yes') ? 'yes' : '';
function getmicrotime() {
list($usec, $sec) = explode(' ',microtime());
return ((float)$usec + (float)$sec);
}
?>
|
