mirror of https://github.com/BOINC/boinc.git
452 lines
12 KiB
PHP
452 lines
12 KiB
PHP
<?php
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require_once("project_specific/project.inc");
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require_once("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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Your account key: $auth\n
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Please save this email.
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You will need your account key to log in to the ".PROJECT." web site."
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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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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 $_SESSION["authenticator"];
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} else {
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return NULL;
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}
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}
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// if not logged in, put up login form and exit
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//
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function require_login($user, $pathMod="") {
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if (!$user) {
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print_login_form($pathMod);
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exit();
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}
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}
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function get_user_from_auth($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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// $pathMod is a prefix for the path of the login processing form.
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// This allows scripts in other directories (i.e. forum/) to call this function.
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function get_logged_in_user($must_be_logged_in=true, $pathMod="") {
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$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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require_login($user, $pathMod);
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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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echo "Not logged in";
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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 $str;
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}
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}
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function page_head($title, $user=null, $fd=null, $styleSheet=null) {
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if ($user == NULL) {
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$user = get_logged_in_user(false);
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}
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if ($styleSheet == NULL) {
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$styleSheet = URL_BASE . STYLESHEET;
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}
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write_fd($fd, "<html><head><title>$title</title>\n");
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if ($styleSheet) {
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write_fd($fd, "<link rel=\"stylesheet\" type=\"text/css\" href=\"$styleSheet\">");
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}
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write_fd($fd, "</head>\n<body bgcolor=ffffff>\n");
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project_banner($user, $fd);
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}
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function page_tail($fd=null) {
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write_fd($fd, "<br><hr noshade size=1><center><a href=".MASTER_URL.">Return to ".PROJECT." main page</a><br>\n");
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// put your copyright notice etc. here
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write_fd($fd, "<br><br>Copyright © 2003 ".COPYRIGHT_HOLDER."</center>\n</body>\n</html>");
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}
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function db_error_page() {
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page_head("Database error");
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echo "<h2>Database error</h2>
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A database error occurred while handling your request.
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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($str) {
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page_head("Profile error");
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echo "$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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page_tail();
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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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// return strftime("%T %b %e, %Y", $x);
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return strftime("%Y-%m-%d %H:%M:%S", $x);
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}
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function pretty_time_str($x) {
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if ($x == 0) return " ";
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return gmdate('D j M Y g:i a', $x) . " UTC";
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}
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function start_table($extra="") {
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echo "<table border=1 cellpadding=5 $extra>";
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}
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function start_table_noborder($width=640) {
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echo "<table border=0 cellpadding=0 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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return md5(uniqid(rand()));
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}
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function print_country_select($selected_country="None") {
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global $countries;
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$numCountries = count($countries);
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for ($i=0; $i<$numCountries; $i++) {
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$country = $countries[$i];
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$selected = ($selected_country == $country ? "selected":"");
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echo "<option value='$country' $selected>$country</option>\n";
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}
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}
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function print_login_form_aux($next_url, $user, $pathMod='') {
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echo "
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<form name=f method=post action=\"", $pathMod, "login_action.php\">
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<input type=hidden name=next_url value='$next_url'>
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";
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start_table();
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row1("Log in");
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row2("Your account key:
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<br><font size=-2>
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If you don't know your account key,
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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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row2("Remember account key on this computer",
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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 $user->name",
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"<a href=logout.php>Log out</a>"
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);
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}
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end_table();
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echo "
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</form>
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<script>
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document.f.authenticator.focus();
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</script>
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";
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}
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function print_login_form($pathMod="") {
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page_head("Please log in");
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echo "
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<h3>Please log in</h3>
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This function requires that you log in.
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";
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$next_url = $_SERVER['REQUEST_URI'];
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print_login_form_aux($next_url, null, $pathMod);
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page_tail();
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}
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// Look for an element in a line of XML text
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// If it's a single-tag element, and it's present, just return the tag
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//
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function parse_element($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 $element;
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}
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// look for a particular element in the ../config.xml file
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//
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function parse_config($tag, $pathMod='') {
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$element = null;
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$fp = fopen($pathMod . "../config.xml", "r");
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while (1) {
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$buf = fgets($fp, 1024);
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if ($buf == null) break;
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$element = parse_element($buf, $tag);
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if ($element) break;
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}
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fclose($fp);
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return $element;
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}
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// Call this if for dynamic pages
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//
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function no_cache() {
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header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
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header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
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header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
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header ("Pragma: no-cache"); // HTTP/1.0
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}
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// a valid email address is of the form A@B.C
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// where A, B, C are nonempty,
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// A and B don't contain @ or .,
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// and C doesn't contain @
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//
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function is_valid_email_addr($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, $descriptor) {
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fwrite($descriptor, "<p>Page $currPageNum of $numPages</p>");
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$nextPageNum = $currPageNum + 1;
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$prevPageNum = $currPageNum - 1;
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// Make the 'previous' and 'next' page links as appropriate.
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if ($currPageNum > 1) {
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fwrite($descriptor, "<a href=$filename" . "_" . $prevPageNum . ".html>Previous Page</a>");
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if ($currPageNum != $numPages) {
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fwrite($descriptor, " | ");
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}
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}
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if ($currPageNum != $numPages) {
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fwrite($descriptor, "<a href=$filename" . "_" . $nextPageNum . ".html>Next Page</a>");
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}
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fwrite($descriptor, "<p><table border=0>\n<tr>\n<td>Jump to Page:</td>\n");
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// Make the individual page links (or a bold non-link for the current page).
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for ($i = 1; $i <= $numPages; $i++) {
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if ($i != $currPageNum) {
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fwrite($descriptor, "<td><a href=$filename" . "_" . $i . ".html>$i</a></td>\n");
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} else {
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fwrite($descriptor, "<td><b>$i</b></td>\n");
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}
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}
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fwrite($descriptor, "</table>\n");
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}
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// Generates a legal filename from a parameter string.
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function get_legal_filename($name) {
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$name = ereg_replace(',', '', $name);
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return ereg_replace(' ', '_', $name);
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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 $result;
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}
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// TODO: Generalize this. Currently it is just pasted from error.inc
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function doError($msg, $info = '') {
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page_head('Error');
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echo '<p class="title">'.$msg.'</p>';
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echo "<p>The error has been recorded,
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and the website administrator will investigate the issue
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as soon as possible.
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We sincerely apologize for the inconvenience.</p>
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";
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page_tail();
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exit();
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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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?>
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