Share My Creation (PHP/MySQL/API) User Login App

aeric · May 15, 2020

Web API

Updates:
Latest B4XPages user login client apps (using B4J server): https://www.b4x.com/android/forum/threads/project-template-user-login-client-b4x.161914/ Older project: https://www.b4x.com/android/forum/t...ver-key-token-and-b4x-user-login-apps.126081/

Android App

aeric said:
This is the 3rd version of login example I share in this forum.

The first version I shared when I started learning B4A is just a very simple login app.
Http Login example using HttpUtils2

Later, I have shared a tutorial in Code Snippet title:
Register User example using OKHttpUtils2

Both of the samples I shared are using very simple PHP with mysql_query function. I have later updated the 2nd sample with mysqli since mysql functions are deprecated in PHP.

Recently I am thinking to update the sample project with what I have learned in this few years. I have seen some members here are still using mysqli but I want to introduce the use of PDO in PHP. The sample I shared here is just intended for learning purpose. Anyone are welcome to extend it to become a production ready and more powerful app. For example, In my real app, I have a function to upload profile photo. I remove the feature to leave it to members here to find out how to do it. The answer is in this forum and the Internet.

In my previous code snippet, I use 6 digit security code but in this latest version, I have used a 32 characters MD5 string for the code in email confirmation.

The PHP app I share here is a cut down version of PHP backend I use in production. It is based on MVC concept where it provides a web application front-end and includes php session and some other security. I think I don't need to share much on the "View" part of the MVC. I just modified it to become the "API" to consume by the B4A app. However, I use the View part to show a documentation on how to use the API as you can see in the screenshots. For the "Model" part, I only include "User" and "Password". It is easy to extend to more models. For example, I could have add "Driver" and "Order" model for the e-hailing app or "Student" and "Courses" models to my e-learning app.

aeric · Jan 3, 2021

Alexander Stolte said:
Very Nice.
That's what I'm also developing right now, only I don't want to use PHP, but everything with B4J.
Security plays a big role.

Please check this:

[B4J] [MySQL] [API] Server (Key + Token) and [B4X] User Login Apps

Updates: Latest B4XPages user login client apps (using B4J server): https://www.b4x.com/android/forum/threads/project-template-user-login-client-b4x.161914/ Finally I would like to share my B4J API server written in B4J. Compare to my previous PHP API, this API server implements user...

www.b4x.com

tsteward · Jan 4, 2021

I tried installing you app today.
I can register as a user but the confirmation link emailed to me is incorrect.
Is there a bug or did I set something up incorrectly?

Link

https://locksdownunder.com//user/activate/95c41e8bea620373add4b454c2be3dab

aeric · Jan 4, 2021

tsteward said:
I tried installing you app today.
I can register as a user but the confirmation link emailed to me is incorrect.
Is there a bug or did I set something up incorrectly?

Link

https://locksdownunder.com//user/activate/95c41e8bea620373add4b454c2be3dab

I can see there are 2 slashes before user in the url. Try edit the config file so it shows only 1 slash.

tsteward · Jan 4, 2021

aeric said:
I can see there are 2 slashes before user in the url. Try edit the config file so it shows only 1 slash.

I removed the trailing slash in the config file for "root_url"

PHP:

// PRODUCTION - using subdomain
define("ROOT_PATH", "/api/");
define("ROOT_URL", "https://locksdownunder.com");

define("DEVELOPMENT", "FALSE");

That gave this link and this error:
Your code is installed in locksdownunder.com/api/

tsteward · Jan 4, 2021

I did find if I took

https://locksdownunder.com/user/activate/585654761a542354474d4b66298115c8

and manually changed it to this

https://locksdownunder.com/api/user/activate/585654761a542354474d4b66298115c8

That it would work but said
Activation
Account not found!

aeric · Jan 4, 2021

tsteward said:
I did find if I took

https://locksdownunder.com/user/activate/585654761a542354474d4b66298115c8
and manually changed it to this

https://locksdownunder.com/api/user/activate/585654761a542354474d4b66298115c8
That it would work but said
Activation
Account not found!

There are 2 cases. Do you (1) create a subdomain called "api" or (2) a sub folder in the root?
If you use cPanel to create subdomain, then the folder "api" will become your document root. In this case:

PHP:

// PRODUCTION - using subdomain
define("ROOT_PATH", "/");
define("ROOT_URL", "https://api.locksdownunder.com/");

If you just copy the folder into the root, try:

PHP:

// PRODUCTION - using folder inside root
define("ROOT_PATH", "/api/");
define("ROOT_URL", "https://locksdownunder.com/api/");

Very likely the second settings are the right for you.

aeric · Jan 4, 2021

tsteward said:
Activation
Account not found!

Maybe the account is already activated or not exist.

tsteward · Jan 4, 2021

Okay seems to be all sorted out thank you, and thank you for all your hard work here.
Is there a way to add phpmailer to your code so I can send emails from my gmail account?

aeric · Jan 5, 2021

tsteward said:
Okay seems to be all sorted out thank you, and thank you for all your hard work here.
Is there a way to add phpmailer to your code so I can send emails from my gmail account?

Yes. You can replace the SendEmail function to following:

PHP:

    private function SendEmail($user_name, $user_email, $activation_code)
    {
        require 'PHPMailerAutoload.php';

        $mail = new PHPMailer;

        // $mail->SMTPDebug = 3;                               // Enable verbose debug output

        $mail->isSMTP();                                      // Set mailer to use SMTP
        $mail->Host = 'smtp.gmail.com';                          // Specify main SMTP servers
        $mail->SMTPAuth = true;                               // Enable SMTP authentication
        $mail->Username = 'my_gmail_account@gmail.com';       // SMTP username
        $mail->Password = 'xxxxxxxx';                         // SMTP password
        $mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
        $mail->Port = 587;                                    // TCP port to connect to

        $mail->setFrom('my_gmail_account@gmail.com', 'Mailer');
        $mail->addAddress($user_email, $user_name);
        // $mail->addReplyTo('xxxxxx@example.com', 'Support');
        // $mail->addCC('cccccc@example.com');
        // $mail->addBCC(ADMIN_EMAIL); // copy to Admin

        $mail->isHTML(true);                                  // Set email format to HTML

        $body = "Hi ".$user_name.",<br/>";
        $body .= "Please click on this link to finish the registration process:<br/>";
        $body .= ROOT_URL."/user/activate/".$activation_code;    

        $mail->Subject = APP_TRADEMARK;
        $mail->Body    = $body;
        $mail->AltBody = "Hi $user_name,\r\n";
        $mail->AltBody .= "Please click on this link to finish the registration process:\r\n";
        $mail->AltBody .= ROOT_URL."/user/activate/".$activation_code;

        if(!$mail->send()) {
            //echo 'Message could not be sent.';
            $msg_text = "[Mailer Error] ".$mail->ErrorInfo;
            $this->LogError("user/activate", $msg_text);
        } else {
            //echo 'Message has been sent';
            $msg_text = $eml;
            $this->LogUser("user/activate", "success", $msg_text, 0);
        }
    }

I get this guide: https://www.pepipost.com/tutorials/send-an-email-via-gmail-smtp-server-using-php/

Daniel44 · Apr 28, 2021

aeric said:
B4A User Login App (App.zip)
Note: In Starter module, under Process_Globals, you can change the values to your own values.

B4X:

'Dim strURL As String = "http://172.20.10.6:8000/api/" ' Local / Development (Hotspot) Dim strURL As String= "https://api.computerise.my/" ' Remote / Production Dim DEMO_EMAIL As String = "myemail@gmail.com" Dim DEMO_PASSWORD As String = "mydemopass" Dim DEV As Boolean = True

PHP Web API (api.zip)
SQL script to create the database is included in the zip file.
Note: In my shared hosting, I need to rename folders in views to start with capital letter. Example: wwwroot/api/views/Home.

View attachment 94217

Thank you for sharing!

IsaacNcho · Dec 22, 2021

J'aimerais savoir pour la connexion d'application B4A et serveur web nécessite une connection internet ?
J'ai eu erreur comme :"failed toi connect toi/My_address_ip_pc(80) from /my_address_ip_phone(port 34534) After 30000ms, Réponse:"

aeric · Dec 23, 2021

IsaacNcho said:
J'aimerais savoir pour la connexion d'application B4A et serveur web nécessite une connection internet ?
J'ai eu erreur comme :"failed toi connect toi/My_address_ip_pc(80) from /my_address_ip_phone(port 34534) After 30000ms, Réponse:"

No, both the server and B4A can work within your WiFi network or hotspot. Make sure you set the IP address right.

winjiadh · Apr 14, 2022

Hi,aeric
I downloaded your API. Zip file, unzip after uploaded to the VPS, VPS installed Apache Apache2.4.39+ MySQL5.7.26 + php5.6.9,
But the MVC seems installed incorrectly, appeared in the http://test.d99p.cn/views/home/
User (7)
The Password (3)
Click on them, jump to http://test.d99p.cn/views/home/ROOT_URL/user, suggests that cannot find the file, isn't me good MVC is not installed
I set the root directory under the API, set up under the views directory, set in the views/Home directory
Can you teach me?
thank you

aeric · Apr 14, 2022

winjiadh said:
Hi,aeric
I downloaded your API. Zip file, unzip after uploaded to the VPS, VPS installed Nginx1.15.11 + MySQL5.7.26 + php5.6.9,
But the MVC seems installed incorrectly, appeared in the http://test.d99p.cn/views/home/
User (7)
The Password (3)
Click on them, jump to http://test.d99p.cn/views/home/ROOT_URL/user, suggests that cannot find the file, isn't me good MVC is not installed
Can you teach me?
thank you

It seems the variables are not replaced correctly.
What is your www directory structure?

Edit: I just saw you are using Nginx. This API requires Apache web server to work with .htaccess

winjiadh · Apr 14, 2022

I WWW directory is the API.zip files are put forward in the stored in the root directory, as shown
And， I changed the Nginx to Apache

aeric · Apr 14, 2022

winjiadh said:
I WWW directory is the API.zip files are put forward in the stored in the root directory, as shown
And， I changed the Nginx to Apache

try change the values in config.php

B4X:

// Define URL

// DEVELOPMENT (local server)
// define("ROOT_PATH", "/api/");
// define("ROOT_URL", "http://127.0.0.1:80/api");

// PRODUCTION - using subdomain
define("ROOT_PATH", "/");
define("ROOT_URL", "http://test.d99p.cn/");

define("DEVELOPMENT", "FALSE");

winjiadh · Apr 14, 2022

aeric said:

try change the values in config.php

B4X:

// Define URL

// DEVELOPMENT (local server)
// define("ROOT_PATH", "/api/");
// define("ROOT_URL", "http://127.0.0.1:80/api");

// PRODUCTION - using subdomain
define("ROOT_PATH", "/");
define("ROOT_URL", "http://test.d99p.cn/");

define("DEVELOPMENT", "FALSE");

yes
I changed,but no run,your can look it in http://test.d99p.cn/

aeric · Apr 14, 2022

winjiadh said:
yes
I changed,but no run,your can look it in http://test.d99p.cn/

I saw a double slash when hover the mouse pointer to the URL.

Try:

B4X:

// PRODUCTION - using subdomain
define("ROOT_PATH", "/");
define("ROOT_URL", "http://test.d99p.cn");

winjiadh · Apr 14, 2022

aeric said:
I saw a double slash when hover the mouse pointer to the URL.

Try:

B4X:

define("ROOT_PATH", "");

or

B4X:

// PRODUCTION - using subdomain define("ROOT_PATH", "/"); define("ROOT_URL", "http://test.d99p.cn");

yes, you are right
now the web is good
I run b4a app to register user in b4a 11.5 and it's error
Fatal error: Call to a member function prepare() on null in C:\FTP\api\api\classes\Model.php on line 35

aeric · Apr 14, 2022

winjiadh said:
yes, you are right
now the web is good
I run b4a app to register user in b4a 11.5 and it's error
Fatal error: Call to a member function prepare() on null in C:\FTP\api\api\classes\Model.php on line 35

I suspect something wrong in the db connection.
Make sure you have set up the MySQL username, password and generate the tables using the sql file.

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