Add various helper functions for user class

Added the function to verify and update the user's password.  Added the
function to confirm and update the user's email address.

1 files changed, 45 insertions, 0 deletions

diff --git a/app/class/user.class.php b/app/class/user.class.php
index b0b3435..9892277 100644
--- a/app/class/user.class.php
+++ b/app/class/user.class.php
@@ -205,6 +205,51 @@ class user extends agent
     {
         return hash("sha256", $passwd . $salt);
     }
+
+    /*
+     * Validate the given plain-text password for this user.  Returns true if
+     * correct, false otherwise.
+     */
+    public function validatePasswd(string $passwd) : bool
+    {
+        $auth = self::getAuth($passwd, $this->salt);
+        return $auth == $this->auth;
+    }
+
+    /*
+     * Update the auth and salt for this user, given a new plain-text
+     * password.
+     */
+    public function setPasswd(string $passwd) : void
+    {
+        $this->salt = self::getBlob();
+        $this->auth = self::getAuth($passwd, $this->salt);
+    }
+
+    /*
+     * Validate the email confirmation code for this user.  Returns true if
+     * correct, false otherwise.  On success, $this->emailConf is also set
+     * to 1
+     */
+    public function verifyEmail(string $ver) : bool
+    {
+        if ($ver != $this->emailVer)
+            return false;
+
+        $this->emailConf = 1;
+        return true;
+    }
+
+    /*
+     * Update the email address for this user.  This function will automatically
+     * reset the emailConf flag and confirmation code for this user as well.
+     */
+    public function setEmail(string $email) : void
+    {
+        $this->email = $email;
+        $this->emailVer = substr(self::getBlob(), 0, 8);
+        $this->emailConf = 0;
+    }
 }
 
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