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-rw-r--r--web/lib/acctfuncs.inc.php74
-rw-r--r--web/lib/aur.inc.php23
-rw-r--r--web/lib/routing.inc.php1
3 files changed, 98 insertions, 0 deletions
diff --git a/web/lib/acctfuncs.inc.php b/web/lib/acctfuncs.inc.php
index 22b3ca8d..e45d735b 100644
--- a/web/lib/acctfuncs.inc.php
+++ b/web/lib/acctfuncs.inc.php
@@ -1325,3 +1325,77 @@ function notify($params) {
return proc_close($p);
}
+
+/*
+ * Obtain a list of terms a given user has not yet accepted.
+ *
+ * @param int $uid The ID of the user to obtain terms for.
+ *
+ * @return array A list of terms the user has not yet accepted.
+ */
+function fetch_updated_terms($uid) {
+ $dbh = DB::connect();
+
+ $q = "SELECT ID, Terms.Revision, Description, URL ";
+ $q .= "FROM Terms LEFT JOIN AcceptedTerms ";
+ $q .= "ON AcceptedTerms.TermsID = Terms.ID ";
+ $q .= "AND AcceptedTerms.UsersID = " . intval($uid) . " ";
+ $q .= "WHERE AcceptedTerms.Revision IS NULL OR ";
+ $q .= "AcceptedTerms.Revision < Terms.Revision";
+
+ $result = $dbh->query($q);
+
+ if ($result) {
+ return $result->fetchAll();
+ } else {
+ return array();
+ }
+}
+
+/*
+ * Accept a list of given terms.
+ *
+ * @param int $uid The ID of the user to accept the terms.
+ * @param array $termrev An array mapping each term to the accepted revision.
+ *
+ * @return void
+ */
+function accept_terms($uid, $termrev) {
+ $dbh = DB::connect();
+
+ $q = "SELECT TermsID, Revision FROM AcceptedTerms ";
+ $q .= "WHERE UsersID = " . intval($uid);
+
+ $result = $dbh->query($q);
+
+ if (!$result) {
+ return;
+ }
+
+ $termrev_update = array();
+ while ($row = $result->fetch(PDO::FETCH_ASSOC)) {
+ $id = $row['TermsID'];
+ if (!array_key_exists($id, $termrev)) {
+ continue;
+ }
+ if ($row['Revision'] < $termrev[$id]) {
+ $termrev_update[$id] = $termrev[$id];
+ }
+ }
+ $termrev_add = array_diff_key($termrev, $termrev_update);
+
+ foreach ($termrev_add as $id => $rev) {
+ $q = "INSERT INTO AcceptedTerms (TermsID, UsersID, Revision) ";
+ $q .= "VALUES (" . intval($id) . ", " . intval($uid) . ", ";
+ $q .= intval($rev) . ")";
+ $dbh->exec($q);
+ }
+
+ foreach ($termrev_update as $id => $rev) {
+ $q = "UPDATE AcceptedTerms ";
+ $q .= "SET Revision = " . intval($rev) . " ";
+ $q .= "WHERE TermsID = " . intval($id) . " AND ";
+ $q .= "UsersID = " . intval($uid);
+ $dbh->exec($q);
+ }
+}
diff --git a/web/lib/aur.inc.php b/web/lib/aur.inc.php
index 063de8fc..ce569ea7 100644
--- a/web/lib/aur.inc.php
+++ b/web/lib/aur.inc.php
@@ -22,6 +22,7 @@ include_once('timezone.inc.php');
set_tz();
check_sid();
+check_tos();
/**
* Check if a visitor is logged in
@@ -92,6 +93,28 @@ function check_sid() {
}
/**
+ * Redirect user to the Terms of Service agreement if there are updated terms.
+ *
+ * @return void
+ */
+function check_tos() {
+ if (!isset($_COOKIE["AURSID"])) {
+ return;
+ }
+
+ $path = $_SERVER['PATH_INFO'];
+ $route = get_route($path);
+ if (!$route || $route == "tos.php") {
+ return;
+ }
+
+ if (count(fetch_updated_terms(uid_from_sid($_COOKIE["AURSID"]))) > 0) {
+ header('Location: ' . get_uri('/tos'));
+ exit();
+ }
+}
+
+/**
* Verify the supplied CSRF token matches expected token
*
* @return bool True if the CSRF token is the same as the cookie SID, otherwise false
diff --git a/web/lib/routing.inc.php b/web/lib/routing.inc.php
index 8c45c626..7d9750a0 100644
--- a/web/lib/routing.inc.php
+++ b/web/lib/routing.inc.php
@@ -16,6 +16,7 @@ $ROUTES = array(
'/passreset' => 'passreset.php',
'/rpc' => 'rpc.php',
'/rss' => 'rss.php',
+ '/tos' => 'tos.php',
'/tu' => 'tu.php',
'/addvote' => 'addvote.php',
);