log failures and some other actions
[authserver.git] / index.php
index 2a560e8928dd54abb9096aa223d12112e690e97e..94812dc4a7d8dea4e0afe2f2c34a36923e0d8776 100644 (file)
--- a/index.php
+++ b/index.php
@@ -44,7 +44,7 @@ if (!count($errors)) {
       if (array_key_exists('logout', $_GET)) {
         $result = $db->prepare('UPDATE `auth_sessions` SET `logged_in` = FALSE WHERE `id` = :sessid;');
         if (!$result->execute(array(':sessid' => $session['id']))) {
-          // XXXlog: Unexpected logout failure!
+          $utils->log('logout_failure', 'session: '.$session['id']);
           $errors[] = _('The email address is invalid.');
         }
         $session['logged_in'] = 0;
@@ -53,26 +53,30 @@ if (!count($errors)) {
         if (!preg_match('/^[^@]+@[^@]+\.[^@]+$/', $_POST['email'])) {
           $errors[] = _('The email address is invalid.');
         }
-        elseif (AuthUtils::verifyTimeCode(@$_POST['tcode'], $session)) {
+        elseif ($utils->verifyTimeCode(@$_POST['tcode'], $session)) {
           $result = $db->prepare('SELECT `id`, `pwdhash`, `email`, `status`, `verify_hash` FROM `auth_users` WHERE `email` = :email;');
           $result->execute(array(':email' => $_POST['email']));
           $user = $result->fetch(PDO::FETCH_ASSOC);
           if ($user['id'] && array_key_exists('pwd', $_POST)) {
             // existing user, check password
-            if (($user['status'] == 'ok') && password_verify(@$_POST['pwd'], $user['pwdhash'])) {
+            if (($user['status'] == 'ok') && $utils->pwdVerify(@$_POST['pwd'], $user)) {
               // Check if a newer hashing algorithm is available
               // or the cost has changed
-              if (password_needs_rehash($user['pwdhash'], PASSWORD_DEFAULT, $pwd_options)) {
+              if ($utils->pwdNeedsRehash($user)) {
                 // If so, create a new hash, and replace the old one
-                $newHash = password_hash($_POST['pwd'], PASSWORD_DEFAULT, $pwd_options);
+                $newHash = $utils->pwdHash($_POST['pwd']);
                 $result = $db->prepare('UPDATE `auth_users` SET `pwdhash` = :pwdhash WHERE `id` = :userid;');
                 if (!$result->execute(array(':pwdhash' => $newHash, ':userid' => $user['id']))) {
-                  // XXXlog: Failed to update user hash!
+                  $utils->log('user_hash_save_failure', 'user: '.$user['id']);
+                }
+                else {
+                  $utils->log('pwd_rehash_success', 'user: '.$user['id']);
                 }
               }
 
               // Log user in - update session key for that, see https://wiki.mozilla.org/WebAppSec/Secure_Coding_Guidelines#Login
-              $sesskey = AuthUtils::createSessionKey();
+              $utils->log('login', 'user: '.$user['id']);
+              $sesskey = $utils->createSessionKey();
               setcookie('sessionkey', $sesskey, 0, "", "", !$running_on_localhost, true); // Last two params are secure and httponly, secure is not set on localhost.
               // If the session has a user set, create a new one - otherwise take existing session entry.
               if (intval($session['user'])) {
@@ -86,14 +90,14 @@ if (!count($errors)) {
                   $session = $row;
                 }
                 else {
-                  // XXXlog: Unexpected failure to create session!
+                  $utils->log('create_session_failure', 'at login, prev session: '.$session['id'].', new user: '.$user['id']);
                   $errors[] = _('The session system is not working. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
                 }
               }
               else {
                 $result = $db->prepare('UPDATE `auth_sessions` SET `sesskey` = :sesskey, `user` = :userid, `logged_in` = TRUE, `time_expire` = :expire WHERE `id` = :sessid;');
                 if (!$result->execute(array(':sesskey' => $sesskey, ':userid' => $user['id'], ':expire' => gmdate('Y-m-d H:i:s', strtotime('+1 day')), ':sessid' => $session['id']))) {
-                  // XXXlog: Unexpected login failure!
+                  $utils->log('login_failure', 'session: '.$session['id'].', user: '.$user['id']);
                   $errors[] = _('Login failed unexpectedly. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
                 }
               }
@@ -101,7 +105,7 @@ if (!count($errors)) {
               if (strlen(@$user['verify_hash'])) {
                 $result = $db->prepare('UPDATE `auth_users` SET `verify_hash` = \'\' WHERE `id` = :userid;');
                 if (!$result->execute(array(':userid' => $user['id']))) {
-                  // XXXlog: verify_hash could not be emptied!
+                  $utils->log('empty_vhash_failure', 'user: '.$user['id']);
                 }
                 else {
                   $user['verify_hash'] = '';
@@ -115,16 +119,16 @@ if (!count($errors)) {
           else {
             // new user: check password, create user and send verification; existing users: re-send verification or send password change instructions
             if (array_key_exists('pwd', $_POST)) {
-              $errors += AuthUtils::checkPasswordConstraints(strval($_POST['pwd']), $_POST['email']);
+              $errors += $utils->checkPasswordConstraints(strval($_POST['pwd']), $_POST['email']);
             }
             if (!count($errors)) {
               // Put user into the DB
               if (!$user['id']) {
-                $newHash = password_hash($_POST['pwd'], PASSWORD_DEFAULT, $pwd_options);
-                $vcode = AuthUtils::createVerificationCode();
+                $newHash = $utils->pwdHash($_POST['pwd']);
+                $vcode = $utils->createVerificationCode();
                 $result = $db->prepare('INSERT INTO `auth_users` (`email`, `pwdhash`, `status`, `verify_hash`) VALUES (:email, :pwdhash, \'unverified\', :vcode);');
                 if (!$result->execute(array(':email' => $_POST['email'], ':pwdhash' => $newHash, ':vcode' => $vcode))) {
-                  // XXXlog: User insertion failure!
+                  $utils->log('user_insert_failure', 'email: '.$_POST['email']);
                   $errors[] = _('Could not add user. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
                 }
                 $user = array('id' => $db->lastInsertId(),
@@ -132,6 +136,7 @@ if (!count($errors)) {
                               'pwdhash' => $newHash,
                               'status' => 'unverified',
                               'verify_hash' => $vcode);
+                $utils->log('new_user', 'user: '.$user['id'].', email: '.$user['email']);
               }
               if ($user['status'] == 'unverified') {
                 // Send email for verification and show message to point to it.
@@ -157,19 +162,21 @@ if (!count($errors)) {
                   $pagetype = 'verification_sent';
                 }
                 else {
+                  $utils->log('verify_mail_failure', 'user: '.$user['id'].', email: '.$user['email']);
                   $errors[] = _('The confirmation email could not be sent to you. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
                 }
               }
               else {
                 // Password reset requested with "Password forgotten?" function.
-                $vcode = AuthUtils::createVerificationCode();
+                $vcode = $utils->createVerificationCode();
                 $result = $db->prepare('UPDATE `auth_users` SET `verify_hash` = :vcode WHERE `id` = :userid;');
                 if (!$result->execute(array(':vcode' => $vcode, ':userid' => $user['id']))) {
-                  // XXXlog: User insertion failure!
+                  $utils->log('vhash_set_failure', 'user: '.$user['id']);
                   $errors[] = _('Could not initiate reset request. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
                 }
                 else {
-                  $resetcode = $vcode.dechex($user['id'] + $session['id']).'_'.AuthUtils::createTimeCode($session, null, 60);
+                  $utils->log('pwd_reset_request', 'user: '.$user['id'].', email: '.$user['email']);
+                  $resetcode = $vcode.dechex($user['id'] + $session['id']).'_'.$utils->createTimeCode($session, null, 60);
                   // Send email with instructions for resetting the password.
                   $mail = new email();
                   $mail->setCharset('utf-8');
@@ -191,6 +198,7 @@ if (!count($errors)) {
                     $pagetype = 'resetmail_sent';
                   }
                   else {
+                    $utils->log('pwd_reset_mail_failure', 'user: '.$user['id'].', email: '.$user['email']);
                     $errors[] = _('The email with password reset instructions could not be sent to you. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
                   }
                 }
@@ -208,7 +216,7 @@ if (!count($errors)) {
           $result->execute(array(':userid' => $session['user']));
           $user = $result->fetch(PDO::FETCH_ASSOC);
           if (!$user['id']) {
-            // XXXlog: Unexpected failure to fetch user data!
+            $utils->log('reset_user_read_failure', 'user: '.$session['user']);
           }
           $pagetype = 'resetpwd';
         }
@@ -224,7 +232,7 @@ if (!count($errors)) {
         if ($user['id']) {
           $result = $db->prepare('UPDATE `auth_users` SET `verify_hash` = \'\', `status` = \'ok\' WHERE `id` = :userid;');
           if (!$result->execute(array(':userid' => $user['id']))) {
-            // XXXlog: Unexpected failure to save verification!
+            $utils->log('verification_save_failure', 'user: '.$user['id']);
             $errors[] = _('Could not save confirmation. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
           }
           $pagetype = 'verification_done';
@@ -248,16 +256,16 @@ if (!count($errors)) {
             if ($row) {
               $tcode_session = $row;
               if (($regs[1] == $user['verify_hash']) &&
-                  AuthUtils::verifyTimeCode($regs[3], $session, 60)) {
+                  $utils->verifyTimeCode($regs[3], $session, 60)) {
                 // Set a new verify_hash for the actual password reset.
-                $user['verify_hash'] = AuthUtils::createVerificationCode();
+                $user['verify_hash'] = $utils->createVerificationCode();
                 $result = $db->prepare('UPDATE `auth_users` SET `verify_hash` = :vcode WHERE `id` = :userid;');
                 if (!$result->execute(array(':vcode' => $user['verify_hash'], ':userid' => $user['id']))) {
-                  // XXXlog: Unexpected failure to reset verify_hash!
+                  $utils->log('vhash_reset_failure', 'user: '.$user['id']);
                 }
                 $result = $db->prepare('UPDATE `auth_sessions` SET `user` = :userid WHERE `id` = :sessid;');
                 if (!$result->execute(array(':userid' => $user['id'], ':sessid' => $session['id']))) {
-                  // XXXlog: Unexpected failure to update session!
+                  $utils->log('reset_session_set_user_failure', 'session: '.$session['id']);
                 }
                 $pagetype = 'resetpwd';
                 $reset_fail = false;
@@ -274,7 +282,7 @@ if (!count($errors)) {
         $result->execute(array(':userid' => $session['user']));
         $user = $result->fetch(PDO::FETCH_ASSOC);
         if (!$user['id']) {
-          // XXXlog: Unexpected failure to fetch user data!
+          $utils->log('user_read_failure', 'user: '.$session['user']);
         }
         // Password reset requested.
         if (array_key_exists('pwd', $_POST) && array_key_exists('reset', $_POST) && array_key_exists('tcode', $_POST)) {
@@ -287,15 +295,15 @@ if (!count($errors)) {
             $errors[] = _('Password reset failed. The reset form you used was not valid. Possibly it has expired and you need to initiate the password reset again.');
           }
           // Check validity of time code.
-          if (!count($errors) && !AuthUtils::verifyTimeCode($_POST['tcode'], $session)) {
+          if (!count($errors) && !$utils->verifyTimeCode($_POST['tcode'], $session)) {
             $errors[] = _('Password reset failed. The reset form you used was not valid. Possibly it has expired and you need to initiate the password reset again.');
           }
-          $errors += AuthUtils::checkPasswordConstraints(strval($_POST['pwd']), $user['email']);
+          $errors += $utils->checkPasswordConstraints(strval($_POST['pwd']), $user['email']);
           if (!count($errors)) {
-            $newHash = password_hash($_POST['pwd'], PASSWORD_DEFAULT, $pwd_options);
+            $newHash = $utils->pwdHash($_POST['pwd']);
             $result = $db->prepare('UPDATE `auth_users` SET `pwdhash` = :pwdhash, `verify_hash` = \'\' WHERE `id` = :userid;');
             if (!$result->execute(array(':pwdhash' => $newHash, ':userid' => $session['user']))) {
-              // XXXlog: Password reset failure!
+              $utils->log('pwd_reset_failure', 'user: '.$session['user']);
               $errors[] = _('Password reset failed. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
             }
             else {
@@ -308,7 +316,7 @@ if (!count($errors)) {
   }
   if (is_null($session)) {
     // Create new session and set cookie.
-    $sesskey = AuthUtils::createSessionKey();
+    $sesskey = $utils->createSessionKey();
     setcookie('sessionkey', $sesskey, 0, "", "", !$running_on_localhost, true); // Last two params are secure and httponly, secure is not set on localhost.
     $result = $db->prepare('INSERT INTO `auth_sessions` (`sesskey`, `time_expire`) VALUES (:sesskey, :expire);');
     $result->execute(array(':sesskey' => $sesskey, ':expire' => gmdate('Y-m-d H:i:s', strtotime('+5 minutes'))));
@@ -320,7 +328,7 @@ if (!count($errors)) {
       $session = $row;
     }
     else {
-      // XXXlog: Unexpected failure to create session!
+      $utils->log('session_create_failure', 'key: '.$sesskey);
       $errors[] = _('The session system is not working. Please <a href="https://www.kairo.at/contact">contact KaiRo.at</a> and tell the team about this.');
     }
   }
@@ -350,7 +358,7 @@ if (!count($errors)) {
     $inptxt->setAttribute('required', '');
     $inptxt->setAttribute('placeholder', _('Email'));
     $litem = $ulist->appendElement('li');
-    $litem->appendInputHidden('tcode', AuthUtils::createTimeCode($session));
+    $litem->appendInputHidden('tcode', $utils->createTimeCode($session));
     $submit = $litem->appendInputSubmit(_('Send instructions to email'));
   }
   elseif ($pagetype == 'resetpwd') {
@@ -373,7 +381,7 @@ if (!count($errors)) {
     $inptxt->setAttribute('class', 'login');
     $litem = $ulist->appendElement('li');
     $litem->appendInputHidden('reset', '');
-    $litem->appendInputHidden('tcode', AuthUtils::createTimeCode($session));
+    $litem->appendInputHidden('tcode', $utils->createTimeCode($session));
     if (!$session['logged_in'] && strlen(@$user['verify_hash'])) {
       $litem->appendInputHidden('vcode', $user['verify_hash']);
     }
@@ -429,7 +437,7 @@ if (!count($errors)) {
     $label->setAttribute('id', 'rememprompt');
     $label->setAttribute('class', 'loginprompt');
     $litem = $ulist->appendElement('li');
-    $litem->appendInputHidden('tcode', AuthUtils::createTimeCode($session));
+    $litem->appendInputHidden('tcode', $utils->createTimeCode($session));
     $submit = $litem->appendInputSubmit(_('Log in / Register'));
     $submit->setAttribute('class', 'loginbutton');
   }