+// function ids_from_mails() {{{1
+// Converts an array of emails to an array of email => uid
+function ids_from_mails(array $emails)
+{
+ global $globals;
+ $domain_mails = array();
+ $alias_mails = array();
+ $other_mails = array();
+
+ // Determine the type of the email adresses. It can eiher be a domain
+ // email (@polytechnique.org), an alias email (@melix.net) or any other
+ // email (potentially used as a redirection by one user)
+ foreach ($emails as $email) {
+ if (strpos($email, '@') === false) {
+ $user = $email;
+ $domain = $globals->mail->domain2;
+ } else {
+ list($user, $domain) = explode('@', $email);
+ }
+ if ($domain == $globals->mail->alias_dom || $domain == $globals->mail->alias_dom2) {
+ list($user) = explode('+', $user);
+ list($user) = explode('_', $user);
+ $alias_mails[$email] = $user . "@" . $globals->mail->alias_dom;
+ } elseif ($domain == $globals->mail->domain || $domain == $globals->mail->domain2) {
+ list($user) = explode('+', $user);
+ list($user) = explode('_', $user);
+ $domain_mails[$email] = $user;
+ } else {
+ $other_mails[] = $email;
+ }
+ }
+ $uids = array();
+
+ // Look up user ids for addresses in domain
+ $alias_uids = array();
+ if (count($domain_mails)) {
+ $res = XDB::query("SELECT alias, uid
+ FROM aliases
+ WHERE alias IN {?}", array_unique($domain_mails));
+ foreach ($res->fetchAllRow() as $row) {
+ list ($alias, $id) = $row;
+ $domain_uids[$alias] = $id;
+ }
+ }
+ // Connect emails with uids
+ foreach ($domain_mails as $email => $user) {
+ $uids[$email] = $domain_uids[$user];
+ }
+
+ // Look up user ids for addresses in our alias domain
+ $alias_uids = array();
+ if (count($alias_mails)) {
+ $res = XDB::query("SELECT v.alias, a.uid
+ FROM virtual AS v
+ INNER JOIN virtual_redirect AS r USING(vid)
+ INNER JOIN aliases AS a ON (a.type = 'a_vie'
+ AND r.redirect = CONCAT(a.alias, '@{$globals->mail->domain2}'))
+ WHERE v.alias IN {?}", array_unique($alias_mails));
+ foreach ($res->fetchAllRow() as $row) {
+ list ($alias, $id) = $row;
+ $alias_uids[$alias] = $id;
+ }
+ }
+ // Connect emails with uids
+ foreach ($alias_mails as $email => $user) {
+ $uids[$email] = $alias_uids[$user];
+ }
+
+ // Look up user ids for other addresses in the email redirection list
+ if (count($other_mails)) {
+ $lowerupper = array();
+ foreach ($other_mails as $mail) {
+ $lowerupper[strtolower($mail)] = $mail;
+ }
+ $res = XDB::query("SELECT email, uid
+ FROM emails
+ WHERE email IN {?}", $other_mails);
+ foreach ($res->fetchAllRow() as $row) {
+ list ($email, $uid) = $row;
+ $uids[$lowerupper[strtolower($email)]] = $uid;
+ }
+ }
+
+ return $uids;
+}
+