3 files changed, 384 insertions, 0 deletions
diff --git a/public/app/extends/Classroom_manager.php b/public/app/extends/Classroom_manager.php
new file mode 100644
index 0000000..4d38ba3
--- /dev/null
+++ b/public/app/extends/Classroom_manager.php
@@ -0,0 +1,106 @@
+<?php 
+namespace app\extends;
+
+use UserManager;
+use Registry;
+
+
+/** ClassUserManager
+ * 
+ * extends (anom's) UserManager
+ * 
+ * this way it specializes the UserManagement
+ * according to this app's special rules
+ * 
+ */
+class Classroom_manager extends UserManager
+{
+
+    private $index_key = 'email';    // identifing user field (username, email, etc )
+
+    protected $user;
+
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+
+    /** register user
+     * 
+     * register into database;
+     * send OTP for account confirmation
+     * 
+     * @param (void) : user properties passed via REQUEST->POST
+     * 
+     */
+    public function register_user()
+    {
+        $req = Registry::get('REQUEST');
+        $register = User_model::registerUser($req->POST);
+
+        if ($register['success']) {
+            
+            //create OTP;
+            $otp = $this->create_OPT($register['id']);
+            
+            // send for account confirmation
+
+
+        } else {
+            print_r($register);
+        }
+
+    }
+
+
+    public function login_user()
+    {
+        
+    }
+
+
+    /** forgot password
+     * 
+     * send an otp
+     * (then verify)
+     * 
+     */
+    public function forgot_password()
+    {
+
+    }
+
+
+    /** create OTP
+     * 
+     * create a random OTP
+     * keep it into User's database Table
+     * 
+     * @param $id (int): user id
+     * 
+     */
+    public function create_OTP($id)
+    {
+        $otp = rand(100000,999999);
+        User_model::set_OTP($id, $otp);
+
+        return true;
+    }
+
+
+    /** Verify Account
+     * 
+     * check if posted OTP matched the one sent to the user
+     * 
+     * @param $identity (array): pair of [index_key => identity_value]
+     *      example: [ 'email' => 'geo@roptron.gr' ]
+     * 
+     */
+    public function verify_otp($identity, $otp)
+    {
+
+    }
+
+
+}
+\ No newline at end of file
diff --git a/public/app/extends/Classroom_user.php b/public/app/extends/Classroom_user.php
new file mode 100644
index 0000000..1c26e73
--- /dev/null
+++ b/public/app/extends/Classroom_user.php
@@ -0,0 +1,88 @@
+<?php 
+namespace app\extends;
+
+use User;
+use Registry;
+
+
+/** Classroom_user
+ * 
+ * extends (anom's) User
+ * 
+ * this way it specializes the UserManagement
+ * according to this app's special rules
+ * 
+ * Add privileges concept
+ * ---
+ * A Class_user has privileges (which are deferent than Roles)
+ * In fact, privileges extend the authorization requirements for users
+ * 
+ * Authorized content is marked with some 'minimum Privilege'
+ * So the content is available to the READER(s) that have certain Privileges
+ * 
+ */
+class Classroom_user extends User
+{
+
+    /** user id 
+     * @var int
+     */
+    private $id;
+
+    /** user privileges 
+     * @var array
+     */
+    private $privileges = [];
+
+
+    /** SETTERS AND GETTERS
+     * for id and privileges attributes
+     * -------------------------------------------------------------------------
+     */
+
+    /** getID
+     * @return int
+     */
+    public function getID(): int
+    {
+        return $this->id;
+    }
+
+    /** setID()
+     * 
+     * @param int : user id
+     * 
+     * @return User
+     */
+    public function setID(int $id): self
+    {
+        $this->id = $id;
+        return $this;
+    }
+    
+
+
+    /** getPrivileges
+     * 
+     * @return privileges (array)
+     */
+    public function getPrivileges(): array
+    {
+        return $this->privileges;
+    }
+
+    
+    /** setPrivileges()
+     * 
+     * @param array $privileges
+     * 
+     * @return User
+     */
+    public function setPrivileges(array $privileges): self
+    {
+        $this->privileges = $privileges;
+        return $this;
+    }
+
+
+}
+\ No newline at end of file
diff --git a/public/app/extends/Send_mail.php b/public/app/extends/Send_mail.php
new file mode 100644
index 0000000..fa0d8d3
--- /dev/null
+++ b/public/app/extends/Send_mail.php
@@ -0,0 +1,190 @@
+<?php
+namespace app\extends;
+
+use PHPMailer\PHPMailer\PHPMailer;
+use PHPMailer\PHPMailer\SMTP;
+use PHPMailer\PHPMailer\Exception;
+
+
+class Send_mail
+{
+
+    private static function init_mail()
+    {
+        $mail = new PHPMailer();
+
+        // setup smpt
+        $mail->SMTPDebug = 3;
+        $mail->IsSMTP();
+        $mail->Host = MAIL_HOST;
+        $mail->SMPTAuth = false;
+        $mail->SMTPSecure = MAIL_ENCRYPTION;
+        // $mail->Protocol = 'mail';
+        
+        $mail->Mailer = MAIL_MAILER;
+        $mail->Port = MAIL_PORT;
+        $mail->Username = MAIL_USERNAME;
+        $mail->Password = MAIL_PASSWORD;
+
+        return $mail;
+    }
+
+
+    /**
+     * 
+     */
+    private static function init_slack()
+    {
+
+    }
+
+
+    /**
+     * 
+     * @param $envelope (array): mail from/to and activation code 
+     * 
+     * TODO:
+     * check for email templating:
+     * + https://stackoverflow.com/questions/2391171/how-to-get-output-from-local-script-in-php
+     * + https://stackoverflow.com/questions/171318/how-do-i-capture-php-output-into-a-variable
+     */
+    public static function send_activation_code($envelope)
+    {
+        $mail = self::init_mail();
+
+        // setup format
+        $mail->CharSet = 'utf-8';
+        $mail->IsHTML(true);
+
+        // setup THE mail
+        // --- -- -- - - -
+        // It's important not to use the submitter's address as the from address as it's forgery,
+        // which will cause your messages to fail SPF checks.
+        // Use an address in your own domain as the from address, put the submitter's address in a reply-to
+        $mail->setFrom(NO_REPLY_EMAIL, MAIL_FROM_NAME);
+        $mail->addAddress($envelope['email'], $envelope['name']);
+        $mail->addReplyTo(REPLY_TO_EMAIL, MAIL_FROM_NAME);
+        $mail->Subject = 'Εγγραφή στο Classroom';
+        $mail->Body = "Χαίρετε,<br>
+            το παρόν αυτοποιημένο email σάς έχει σταλεί γιατί έχει γίνει αίτημα εγγραφής σας στο Classroom.<br>
+            <br>
+            Όνομα επαφής: <b>". $envelope['name'] ."</b><br>
+            Email : <b>". $envelope['email'] ."</b><br>
+            <br>
+            Για να ενεργοποιήσετε την πρόσβασή σας στο site θα πρέπει να παρακαλώ πατήστε στον 
+            παρακάτω σύνδεσμο url
+            <a href=\"https://eaadhsy.roptron.gr/account/activate?ticket=". $envelope['code'] ."\">.
+            <br>
+            <br>
+            Μετά την ενεργοποίηση θα έχετε πρόσσβαση στο περιεχόμενο του site.<br>
+            <br>
+            Μην απαντήσετε στο email γιατί δεν υπάρχει φυσική επαφή η οποία να λαμβάνει τυχόν replies.<br>";
+        if (!$mail->send()) {
+            return false;
+        } else {
+            return true;
+        }
+      
+    }
+
+
+
+
+}
+
+
+
+
+
+/**
+ *
+ * 
+
+Optimization per concept alternative technologies
+--- -- -- - - -
+
+## Session
+File Session
+Database Session
+Redis Session
+Memcached Session
+
+---
+
+## Cache
+File Cache
+Database Cache
+Redis Cache
+Memcashed Cache
+
+---
+
+## Log
+File Log
+Database Log
+Log event to Slack
+Log event to Email
+
+ *
+ * 
+ */
+
+/** custom email api
+ * 
+ * host  : https://api.roptron.gr
+ * apikey : md5(hash)-substring(0,5, md5(service)) 8668d1c4a8f5aba236a8f821d148340f-0c83f
+ * message : serialize([
+ *    from[email] => from name
+ *    replyTo[email] => reply-to-Name
+ *    to => [
+ *        email => email-name
+ *        secondemail => another email name
+ *    ]
+ *    type => html
+ *    charset => utf8
+ *    subject => mail subject
+ *    mailBody => html string
+ * ])
+ * 
+ */
+
+/** Several custom APIs
+ * 
+ * Mailer
+ * 
+ * sendpulse
+ * rU8WEmcHsRcEQaH
+ * rU8WEmcHsRcEQaH
+ * 
+ * mailjet
+ * piipiis@g
+ * EN6Xg8!99ZTKaYp7
+ * 
+ * 
+ * sendGrid
+ * piipiis
+ * EN6Xg899ZTKU8WEmcHsR54321
+ * 
+ * 
+ * time4vps...
+ * https://community.time4vps.com/discussion/75/are-any-ports-blocked-by-time4vps
+ * 
+ * test activation code:
+ * ca42d68cfba5fbbafeacc010b8e3a551
+ * 
+ * 
+ * 
+ * MAIL API
+ * --- -- -- - - -
+ * client = ip/mp5(IP)  or domain/md5(ref_domain)
+ * token  = md5(client + timestamp + rand(0,10000))
+ * 
+ * api   : auth_content : client : token
+ * ---   : ---          : ---    : ---
+ * mail  : ip|domain    : md5(*) : md5(...)  -> send an email
+ * image : ip|domain    : md5(*) : md5(...)  -> proccess an image (resize|crop|convert)
+ * slack : ip|domain    : md5(*) : md5(...)  -> send a slack message to channel
+ * database : ip|domain : md5(*) : md5(...)  -> 
+ * 
+ */
+ 
+\ No newline at end of file