2004-02-02 23:34:39 +00:00
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<?php
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require_once("../project/project.inc");
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require_once("../inc/countries.inc");
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// Sends the authenticator to the given email address
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//
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function send_auth_email($email_addr, $auth) {
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mail($email_addr, PROJECT." new account confirmation",
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"This email confirms the creation of your ".PROJECT." account.
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".PROJECT." URL: ".MASTER_URL."
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2004-03-03 22:45:06 +00:00
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Your account ID: $auth\n
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2004-02-02 23:34:39 +00:00
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Please save this email.
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2004-03-03 22:45:06 +00:00
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You will need your account ID to log in to the ".PROJECT." web site."
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2004-02-02 23:34:39 +00:00
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);
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}
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// Initializes the session and returns the authenticator
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// for the session (if any)
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//
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function init_session() {
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2004-03-26 18:37:46 +00:00
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$url = parse_url(MASTER_URL);
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$path = $url['path'];
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if (strlen($path)) {
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session_set_cookie_params(0, $path);
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}
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2004-02-02 23:34:39 +00:00
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session_start();
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// NOTE: in PHP 4.1+, s/key_exists/array_key_exists/
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if (key_exists('authenticator', $_SESSION)) {
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return $_SESSION["authenticator"];
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} else {
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return NULL;
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}
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}
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// if not logged in, put up login form and exit
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//
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2004-02-03 21:48:49 +00:00
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function require_login($user) {
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2004-02-02 23:34:39 +00:00
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if (!$user) {
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2004-02-03 21:48:49 +00:00
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print_login_form();
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2004-02-02 23:34:39 +00:00
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exit();
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}
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}
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function get_user_from_auth($auth) {
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if ($auth) return lookup_user_auth($auth);
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return NULL;
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}
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function get_user_from_id($id) {
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if ($id) return lookup_user_id($id);
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return NULL;
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}
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function get_profile_from_userid($userid) {
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if ($userid) {
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$result = mysql_query("SELECT * FROM profile WHERE userid = $userid");
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if ($result) {
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return mysql_fetch_assoc($result);
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}
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}
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return null;
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}
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2004-02-03 21:48:49 +00:00
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function get_logged_in_user($must_be_logged_in=true) {
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2004-02-02 23:34:39 +00:00
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$authenticator = init_session();
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if (!$authenticator) {
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$authenticator = $_COOKIE['auth'];
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}
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$user = get_user_from_auth($authenticator);
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if ($must_be_logged_in) {
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2004-02-03 21:48:49 +00:00
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require_login($user);
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2004-02-02 23:34:39 +00:00
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}
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return $user;
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}
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function show_login($user) {
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if ($user) {
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echo "Logged in as %s.\n", $user->name;
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echo "<br><a href=login_form.php>Log in as someone else.</a>\n";
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} else {
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2004-03-24 23:33:46 +00:00
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echo "Not logged in";
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2004-02-02 23:34:39 +00:00
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}
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}
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// output a select form item with the given name,
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// from a list of newline-delineated items from the text file.
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// If $selection is provided, and if it matches one of the entries in the file,
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// it will be selected by default.
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//
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function show_combo_box($name, $filename, $selection=null) {
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if (!file_exists($filename)) {
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echo "ERROR: $filename does not exist! Cannot create combo box.<br>";
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exit();
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}
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echo "<select name=\"$name\">\n";
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$file = fopen($filename, "r");
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while ($line = trim(fgets($file, 1024))) {
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if ($line == $selection) {
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echo "<option SELECTED value=\"$line\">$line\n";
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} else {
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echo "<option value=\"$line\">$line\n";
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}
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}
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echo "</select>\n";
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fclose($file);
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}
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// write to the given fd if non-null; else echo
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//
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function write_fd($fd, $str) {
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if ($fd) {
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fwrite($fd, $str);
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} else {
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echo $str;
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}
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}
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2004-05-11 22:49:23 +00:00
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function page_head($title, $fd=null) {
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2004-02-28 19:05:35 +00:00
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$styleSheet = URL_BASE . STYLESHEET;
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2004-02-02 23:34:39 +00:00
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2004-05-07 22:17:34 +00:00
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write_fd($fd,
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2004-05-14 22:57:59 +00:00
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"<html><head><title>".strip_tags($title)."</title>
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2004-05-07 22:17:34 +00:00
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<link rel=stylesheet type=text/css href=\"$styleSheet\">
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</head>
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<body bgcolor=ffffff>
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"
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);
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2004-05-12 17:54:23 +00:00
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project_banner($title, $fd);
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2004-02-02 23:34:39 +00:00
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}
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2004-02-10 07:02:38 +00:00
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function page_tail($is_main=false, $fd=null) {
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write_fd($fd, "<br><hr noshade size=1><center>");
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2004-02-02 23:34:39 +00:00
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if (!$is_main) {
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2004-02-10 07:02:38 +00:00
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write_fd($fd, "<a href=".MASTER_URL.">Return to ".PROJECT." main page</a><br>\n");
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2004-02-02 23:34:39 +00:00
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}
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// put your copyright notice etc. here
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2004-02-10 07:02:38 +00:00
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write_fd($fd, "<br><br>Copyright © 2004 ".COPYRIGHT_HOLDER."</center>\n</body>\n</html>");
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2004-02-02 23:34:39 +00:00
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}
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function db_error_page() {
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page_head("Database error");
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2004-05-12 17:54:23 +00:00
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echo "A database error occurred while handling your request.
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2004-02-02 23:34:39 +00:00
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<br>Please try again later.
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<br>If the error persists, please submit a
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<a href=bug_report_form.php>problem report</a>.
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";
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page_tail();
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}
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function profile_error_page($str) {
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2004-03-24 23:33:46 +00:00
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page_head("Profile error");
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echo "$str<br>\n";
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echo "<p>Click your browser's <b>Back</b> button to try again.\n<p>\n";
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2004-03-26 18:45:49 +00:00
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page_tail();
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2004-02-02 23:34:39 +00:00
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}
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function date_str($x) {
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if ($x == 0) return "---";
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// return date("g:i A, l M j", $when);
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return strftime("%Y-%m-%d", $x);
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}
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function time_str($x) {
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if ($x == 0) return "---";
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2004-03-23 01:44:13 +00:00
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//return strftime("%j %m-%d %H:%M:%S", $x)";
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return gmdate('j M Y G:i:s', $x) . " UTC";
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2004-02-02 23:34:39 +00:00
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}
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function pretty_time_str($x) {
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2004-03-23 01:44:13 +00:00
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return time_str($x);
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2004-02-02 23:34:39 +00:00
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}
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2004-05-14 22:57:59 +00:00
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function start_table($extra="width=100%") {
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2004-02-02 23:34:39 +00:00
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echo "<table border=1 cellpadding=5 $extra>";
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}
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function start_table_noborder($width="100%") {
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echo "<table border=0 cellpadding=5 width=$width>";
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}
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function end_table() {
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echo "</table>\n";
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}
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function row1($x, $ncols=2) {
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echo "<tr><td class=heading bgcolor=cccccc colspan=$ncols><b>$x</b></td></tr>\n";
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}
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function row2($x, $y) {
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if ($x=="") $x="<br>";
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if ($y=="") $y="<br>";
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echo "<tr><td class=fieldname bgcolor=eeeeee align=right valign=top>$x</td><td valign=top><b>$y</b></td></tr>\n";
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}
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function row2_init($x, $y) {
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echo "<tr><td class=fieldname bgcolor=eeeeee width=40% align=right valign=top>$x</td><td valign=top><b>$y\n";
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}
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function row2_plain($x, $y) {
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echo "<tr><td>$x</td><td>$y</td></tr>\n";
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}
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function row3($x, $y, $z) {
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echo "<tr><td width=30% valign=top align=right>$x</td><td>$y</td><td>$z</td></tr>\n";
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}
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function rowify($string) {
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echo "<tr><td>$string</td></tr>";
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}
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function random_string() {
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2004-04-20 05:05:52 +00:00
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return md5(uniqid(rand(), true));
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2004-02-02 23:34:39 +00:00
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}
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2004-02-03 21:48:49 +00:00
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function print_login_form_aux($next_url, $user) {
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2004-02-02 23:34:39 +00:00
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echo "
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2004-02-03 21:48:49 +00:00
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<form name=f method=post action=login_action.php>
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2004-02-02 23:34:39 +00:00
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<input type=hidden name=next_url value='$next_url'>
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";
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start_table();
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row1("Log in");
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2004-03-03 22:45:06 +00:00
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row2("Your account ID:
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2004-02-02 23:34:39 +00:00
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<br><font size=-2>
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2004-03-03 22:45:06 +00:00
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If you don't know your account ID,
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2004-02-02 23:34:39 +00:00
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<a href=get_passwd.php>click here</a>.
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</font>",
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"<input name=authenticator size=40>"
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);
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2004-03-03 22:45:06 +00:00
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row2("Remember account ID on this computer",
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2004-02-02 23:34:39 +00:00
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"<input type=checkbox name=send_cookie>"
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);
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row2("",
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"<input type=submit value='Log in'>"
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);
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if ($user) {
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row1("Log out");
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row2("You are logged in as $user->name",
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"<a href=logout.php>Log out</a>"
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);
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}
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end_table();
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echo "
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</form>
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<script>
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document.f.authenticator.focus();
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</script>
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";
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}
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2004-02-03 21:48:49 +00:00
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function print_login_form() {
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2004-02-02 23:34:39 +00:00
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page_head("Please log in");
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echo "
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This function requires that you log in.
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";
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$next_url = $_SERVER['REQUEST_URI'];
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2004-02-03 21:48:49 +00:00
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print_login_form_aux($next_url, null);
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2004-02-02 23:34:39 +00:00
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page_tail();
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}
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// Look for an element in a line of XML text
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// If it's a single-tag element, and it's present, just return the tag
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//
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function parse_element($xml, $tag) {
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$element = null;
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$x = strstr($xml, $tag);
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if ($x) {
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if (strstr($tag, "/>")) return $tag;
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$y = substr($x, strlen($tag));
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$n = strpos($y, "<");
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if ($n) {
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$element = substr($y, 0, $n);
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}
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}
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return $element;
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}
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if (!function_exists("file_get_contents")) {
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function file_get_contents($path) {
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$x = "";
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$f = fopen($path, "r");
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if ($f) {
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while (!feof($f)) $x .= fread($f, 4096);
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fclose($f);
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}
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return $x;
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}
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}
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2004-02-03 21:48:49 +00:00
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// look for a particular element in the ../../config.xml file
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2004-02-02 23:34:39 +00:00
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//
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2004-02-03 21:48:49 +00:00
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function parse_config($tag) {
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2004-02-02 23:34:39 +00:00
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$element = null;
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2004-02-03 21:48:49 +00:00
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$buf = file_get_contents("../../config.xml");
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2004-02-02 23:34:39 +00:00
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$element = parse_element($buf, $tag);
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return trim($element);
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}
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// Call this if for dynamic pages
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//
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function no_cache() {
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header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
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header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
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header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
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header ("Pragma: no-cache"); // HTTP/1.0
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}
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// a valid email address is of the form A@B.C
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// where A, B, C are nonempty,
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// A and B don't contain @ or .,
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// and C doesn't contain @
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//
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function is_valid_email_addr($addr) {
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$x = strstr($addr, "@");
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if (!$x) return false;
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if (strlen($x) == strlen($addr)) return false;
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$x = substr($x, 1);
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if (strstr($x, "@")) return false;
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$y = strstr($x, ".");
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if (!$y) return false;
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if (strlen($y) == strlen($x)) return false;
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if (strlen($y) == 1) return false;
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return true;
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}
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// A few functions relating to email-address munging
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// A "munged" email address is of the form @X_Y,
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// where X is a valid email address
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// and Y is a random string not containing _.
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// When an email address hasn't been validated yet, it's munged.
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// (Used during account creation and email address changes)
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function munge_email_addr($email, $string) {
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return "@".$email."_".$string;
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}
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// if email_addr is of the form @X_Y, split out the X and return true.
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// otherwise return false
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//
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function split_munged_email_addr($addr, $string, &$email) {
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if (substr($addr, 0, 1) != "@") return false;
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$x = strrchr($addr, "_");
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if (!$x) return false;
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$y = substr($x, 1);
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if ($y != $string) return false;
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$email = substr($addr, 1, strlen($addr)-strlen($x)-1);
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return true;
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}
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// Generates a standard set of links between associated multi-page documents.
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// All linked files must be of the form "$filename_<page number>.html".
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function write_page_links($filename, $currPageNum, $numPages, $descriptor) {
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2004-03-24 23:33:46 +00:00
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fwrite($descriptor, "<p>Page $currPageNum of $numPages</p>");
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2004-02-02 23:34:39 +00:00
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2004-03-24 23:33:46 +00:00
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$nextPageNum = $currPageNum + 1;
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$prevPageNum = $currPageNum - 1;
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2004-02-02 23:34:39 +00:00
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2004-03-24 23:33:46 +00:00
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// Make the 'previous' and 'next' page links as appropriate.
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if ($currPageNum > 1) {
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fwrite($descriptor, "<a href=$filename" . "_" . $prevPageNum . ".html>Previous Page</a>");
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2004-02-02 23:34:39 +00:00
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2004-03-24 23:33:46 +00:00
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if ($currPageNum != $numPages) {
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fwrite($descriptor, " | ");
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}
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}
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2004-02-02 23:34:39 +00:00
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if ($currPageNum != $numPages) {
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2004-03-24 23:33:46 +00:00
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fwrite($descriptor, "<a href=$filename" . "_" . $nextPageNum . ".html>Next Page</a>");
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2004-02-02 23:34:39 +00:00
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}
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2004-04-07 23:58:02 +00:00
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fwrite($descriptor, "<p>Jump to Page:\n");
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2004-02-02 23:34:39 +00:00
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2004-03-24 23:33:46 +00:00
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// Make the individual page links (or a bold non-link for the current page).
|
2004-04-07 23:58:02 +00:00
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//
|
2004-03-24 23:33:46 +00:00
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for ($i = 1; $i <= $numPages; $i++) {
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if ($i != $currPageNum) {
|
2004-04-07 23:58:02 +00:00
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fwrite($descriptor, "<a href=$filename" . "_" . $i . ".html>$i</a>\n");
|
2004-03-24 23:33:46 +00:00
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} else {
|
2004-04-07 23:58:02 +00:00
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fwrite($descriptor, "<b>$i</b>\n");
|
2004-03-24 23:33:46 +00:00
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}
|
2004-02-02 23:34:39 +00:00
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}
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}
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// Generates a legal filename from a parameter string.
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function get_legal_filename($name) {
|
2004-03-24 23:33:46 +00:00
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$name = ereg_replace(',', '', $name);
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return ereg_replace(' ', '_', $name);
|
2004-02-02 23:34:39 +00:00
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}
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// Returns a string containing as many words
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// (being collections of characters separated by the character $delimiter)
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// as possible such that the total string length is <= $chars characters long.
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// If $ellipsis is true, then an ellipsis is added to any sentence which
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// is cut short.
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|
function sub_sentence($sentence, $delimiter, $max_chars, $ellipsis=false) {
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|
$words = explode($delimiter, $sentence);
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|
$total_chars = 0;
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|
$count = 0;
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$result = '';
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do {
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if ($count > 0) {
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$result = $result . ' ' . $words[$count];
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} else {
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|
$result = $result . $words[$count];
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}
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$total_chars += strlen($words[$count]) + 1;
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$count++;
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} while ($count < count($words) && ($total_chars + strlen($words[$count])) <= $max_chars);
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|
if ($ellipsis && ($count < count($words))) {
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|
$result = $result . '...';
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|
}
|
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|
|
return $result;
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|
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|
|
}
|
|
|
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|
|
function format_credit($cobblestones) {
|
|
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|
|
return sprintf("%.2f", $cobblestones);
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|
|
}
|
|
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|
|
function project_is_stopped() {
|
2004-06-07 03:34:07 +00:00
|
|
|
return file_exists("../../stop_servers");
|
2004-02-02 23:34:39 +00:00
|
|
|
}
|
|
|
|
|
|
2004-06-01 18:55:59 +00:00
|
|
|
function user_links($user) {
|
|
|
|
|
$x = "<a href=show_user.php?userid=$user->id>$user->name</a>";
|
2004-02-02 23:34:39 +00:00
|
|
|
if ($user->has_profile) {
|
2004-06-01 18:55:59 +00:00
|
|
|
$x .= " <a href=view_profile?userid=$user->id><img border=0 src=head_20.png></a>";
|
2004-02-02 23:34:39 +00:00
|
|
|
}
|
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|
|
return $x;
|
|
|
|
|
}
|
2004-02-05 21:35:48 +00:00
|
|
|
|
|
|
|
|
function host_link($hostid) {
|
|
|
|
|
if ($hostid) {
|
|
|
|
|
return "<a href=show_host_detail.php?hostid=$hostid>$hostid</a>";
|
|
|
|
|
} else {
|
|
|
|
|
return "---";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2004-02-02 23:34:39 +00:00
|
|
|
?>
|
