PUQ Mautic

MinIO S3 WHMCS module

WHMCS module for MinIO S3 that automates the provisioning and management of S3-compatible object storage accounts. The module supports automatic user and bucket creation, suspension, termination, password management, disk usage monitoring, policy management, and email notifications for disk space limits.

Description

MinIO S3 module WHMCS

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MinIO S3 WHMCS module

The module allows the company to offer its customers the possibility of managing data storage compatible with S3 object storage using the MinIO S3 solution. The module requires a fully configured MinIO server to work (supported MinIO version: RELEASE.2025-04-22T22:12:26Z or lower). The module does not assist in the creation of such a server in any way.

Main features

Admin Panel Options

Client Panel Options

System requirements

Requirement Minimum / Supported Version
WHMCS 8.x+, 9.x+
PHP 7.4, 8.1, 8.2, 8.3, 8.4
ionCube Loader v15+
MinIO Server RELEASE.2025-04-22T22:12:26Z or lower

[!IMPORTANT] MinIO Server Version Requirement: The module supports MinIO server versions up to RELEASE.2025-04-22T22:12:26Z (or lower). It is not compatible with higher/newer releases due to MinIO upstream API changes.

Screenshots

Client area — Home screen

Client area home screen 01-description-client-area.png

Client area — Disk statistics

Disk statistics 02-description-disk-stats.png

Admin area — Product information

Admin area product information 03-description-admin-area.png

Changelog

MinIO S3 module WHMCS

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v4.1.0 (30-09-2026)

v4.0.1 (28-09-2026)

v4.0.0 (02-09-2026)

v3.1 (01-03-2026)

v3.0 (25-01-2025)

Note: Product reconfiguration is required after update.

v2.0 (23-09-2024)

v1.9.1 (13-08-2024)

v1.9 (26-06-2024)

Note: Module will not work with versions lower than this.

v1.8 (06-06-2024)

v1.7 (16-05-2024)

Note: Need to insert "Raw policy Disk limit" in product settings.

v1.6 (21-12-2023)

Fixed Issues:

New Features:

Note: Save 'Module Setting' in products.

v1.5 (18-12-2023)

v1.4 (11-10-2023)

v1.3 (08-09-2023)

v1.2 (05-03-2023)

v1.1 (22-02-2023)

v1.0 (01-08-2022)

Installation and Configuration Guide

Step-by-step instructions for installing, configuring, and setting up the MinIO S3 WHMCS module, including MinIO server preparation, WHMCS integration, email templates, and product configuration.

Installation and Configuration Guide

WHMCS Installation and Update

MinIO S3 module WHMCS

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System requirements

Requirement Minimum / Supported Version
WHMCS 8.x+, 9.x+.
PHP 7.4, 8.1, 8.2, 8.3, 8.4
ionCube Loader v15+
MinIO Server RELEASE.2025-04-22T22:12:26Z or lower

[!IMPORTANT] MinIO Server Version: The module works exclusively with MinIO server version RELEASE.2025-04-22T22:12:26Z or lower. Versions newer than this release are not supported.

ionCube Loader: The module uses ionCube encoding. Make sure ionCube Loader is installed and active on your server.

Download

Note: The module now uses ionCube 15, which provides universal out-of-the-box support for all encodings across modern PHP runtimes.

All versions can be found at this link: https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-MinIO-S3/

Older module versions for WHMCS 8 are available in the archive directory: https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-MinIO-S3/archive/

  1. Download the latest version of the module directly to your server:

    wget https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-MinIO-S3/PUQ_WHMCS-MinIO-S3-latest.zip

  2. Unzip the archive:

    unzip PUQ_WHMCS-MinIO-S3-latest.zip

Installation

Upload files

Copy the puqMinIOS3 directory from the extracted archive to the WHMCS servers module directory:

cp -r puqMinIOS3 /path/to/whmcs/modules/servers/

Or target path:

WHMCS_WEB_DIR/modules/servers/puqMinIOS3

Once the files are uploaded, proceed to the configuration chapter to set up your server and product.

Update

The update procedure is the same as installation — replace the existing files with the new version:

  1. Download the latest version as described in the Download section.
  2. Unzip the archive.
  3. Replace the existing WHMCS_WEB_DIR/modules/servers/puqMinIOS3 directory with the new one.
  4. Verify the version number in the module interface matches the new release.
Installation and Configuration Guide

Setup guide: MinIO S3 setup

Section 1 — Installing and configuring the MinIO server

[!IMPORTANT] Supported MinIO Version: The module works exclusively with MinIO server version RELEASE.2025-04-22T22:12:26Z or lower.

Update packages and download the compatible MinIO binary:

sudo apt update
# Download the supported release (RELEASE.2025-04-22T22-12-26Z):
wget https://dl.min.io/server/minio/release/linux-amd64/archive/minio.RELEASE.2025-04-22T22-12-26Z -O minio

Install the binary and set up the MinIO user:

sudo chmod +x minio
sudo mv minio /usr/local/bin
sudo useradd -r minio-user -s /sbin/nologin
sudo chown minio-user:minio-user /usr/local/bin/minio
sudo mkdir /usr/local/share/minio
sudo chown minio-user:minio-user /usr/local/share/minio
sudo mkdir /etc/minio
sudo chown minio-user:minio-user /etc/minio

Create the environment configuration file /etc/default/minio:

MINIO_ACCESS_KEY="minio"
MINIO_VOLUMES="/usr/local/share/minio/"
MINIO_OPTS="-C /etc/minio --address :9000 --console-address :9001"
MINIO_SECRET_KEY="miniostorage"

Section 2 — Installing the Systemd MinIO startup script

Create the service file /etc/systemd/system/minio.service:

[Unit]
Description=MinIO
Documentation=https://docs.min.io
Wants=network-online.target
After=network-online.target
AssertFileIsExecutable=/usr/local/bin/minio

[Service]
WorkingDirectory=/usr/local/

User=minio-user
Group=minio-user

EnvironmentFile=/etc/default/minio
ExecStartPre=/bin/bash -c "if [ -z \"${MINIO_VOLUMES}\" ]; then echo \"Variable MINIO_VOLUMES not set in /etc/default/minio\"; exit 1; fi"

ExecStart=/usr/local/bin/minio server $MINIO_OPTS $MINIO_VOLUMES

Restart=always

LimitNOFILE=65536

TimeoutStopSec=infinity
SendSIGKILL=no

[Install]
WantedBy=multi-user.target

Section 3 — Starting the MinIO Server

sudo systemctl daemon-reload
sudo systemctl enable minio
sudo systemctl start minio
sudo systemctl status minio

Section 4 — Securing Access to MinIO Server with Let's Encrypt SSL/TLS Certificate

Install certbot and nginx:

sudo apt update
sudo apt install certbot nginx python3-certbot-nginx -y

Create the nginx configuration file /etc/nginx/sites-enabled/minio:

server {
        listen 80 default_server;
        server_name yourdomain.com;
        return 301 https://$host$request_uri;
}

server {
        listen 443 ssl http2;
        server_name yourdomain.com;

        ssl_certificate /etc/letsencrypt/live/yourdomain.com/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/yourdomain.com/privkey.pem;
        ssl_trusted_certificate /etc/letsencrypt/live/yourdomain.com/cert.pem;

        ssl_session_timeout 20m;
        ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers on;
        ssl_verify_client off;

        ignore_invalid_headers off;

        client_max_body_size 0;

        proxy_buffering off;

        location / {
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
                proxy_set_header Host $http_host;

                proxy_connect_timeout 300;
                proxy_http_version 1.1;
                proxy_set_header Connection "";
                chunked_transfer_encoding off;

                proxy_pass http://localhost:9001;
        }
}

Remove the default nginx config and generate SSL certificate:

rm /etc/nginx/sites-enabled/default
sudo certbot --nginx -d yourdomain.com
sudo service nginx restart

Add certificate auto-renewal to crontab:

0 12 * * * /usr/bin/certbot renew --quiet

Default Login Credentials

After installation, you can access the MinIO console at https://yourdomain.com:

MinIO login screen 04-minio-setup.png

Installation and Configuration Guide

Setup guide: WHMCS setup

MinIO S3 module WHMCS

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Step 1 — Add server in WHMCS

Create a new MinIO S3 server in WHMCS:

Navigate to: System Settings → Products/Services → Servers

  1. Click Add New Server
  2. Enter the correct Name and Hostname
  3. In the Server Details section, select the PUQ MinIO S3 module and enter the correct username and password for the MinIO web interface
  4. Click the Test connection button to verify

Add server - General settings 05-add-server-1.png

Add server - Module settings 06-add-server-2.png

Step 2 — Create Product

Navigate to: System Settings → Products/Services → Create a New Product

In the Module Settings section, select the PUQ MinIO S3 module and configure the product options.

WHMCS setup 05-add-server-1.png

Installation and Configuration Guide

Email Template (puqMinIOS3 Notification disk limit)

Create an email template for customer notifications when disk usage approaches the limit.

Navigate to: System Settings → Email Templates → Create New Email Template

Template configuration

Parameter Value
Email Type Product/service
Unique Name puqMinIOS3 Notification disk limit

Email Subject

Disk space usage {$disk_used_percentage} % - {$username}

Email Body

Dear {$client_name},

This letter informs you that the disk space usage limit is coming to an end.

Product/Service: {$service_product_name}
Due Date: {$service_next_due_date}

Username: {$username}

Disk limit: {$disk_limit_bytes*$unit_coefficient} {$unit}
Disk used: {$disk_used_unit} {$unit} ({$disk_used_percentage} %)
Disk free: {$disk_free_unit} {$unit} ({$disk_free_percentage} %)

{$signature}

Available template variables

Variable Description
{$username} MinIO S3 account username
{$disk_limit_bytes*$unit_coefficient} Total disk space limit
{$disk_used_unit} Used disk space
{$disk_free_unit} Free disk space
{$disk_used_percentage} Used disk space percentage
{$disk_free_percentage} Free disk space percentage
{$unit} Disk space unit (MB, GB, TB, PB)

Note: Standard WHMCS merge fields are also available in this template.

Email template creation 07-email-template-1.png

Email template configuration 08-email-template-2.png

Installation and Configuration Guide

Email Template (puqMinIOS3 service Suspension Notification disk limit)

Create an email template for customer notifications when the S3 account is suspended due to exceeding the disk limit.

Navigate to: System Settings → Email Templates → Create New Email Template

Template configuration

Parameter Value
Email Type Product/service
Unique Name puqMinIOS3 service Suspension Notification disk limit

Email Subject

Suspension Information - {$username}

Email Body

Dear {$client_name},

This email informs you that the S3 account has been disabled due to running out of free space.

It is also possible to upgrade to a package with more space.

Product/Service: {$service_product_name}
Due Date: {$service_next_due_date}

Username: {$username}

Disk limit: {$disk_limit_bytes*$unit_coefficient} {$unit}
Disk used: {$disk_used_unit} {$unit} ({$disk_used_percentage} %)
Disk free: {$disk_free_unit} {$unit} ({$disk_free_percentage} %)

{$signature}

Available template variables

Variable Description
{$username} MinIO S3 account username
{$disk_limit_bytes*$unit_coefficient} Total disk space limit
{$disk_used_unit} Used disk space
{$disk_free_unit} Free disk space
{$disk_used_percentage} Used disk space percentage
{$disk_free_percentage} Free disk space percentage
{$unit} Disk space unit (MB, GB, TB, PB)

Note: Standard WHMCS merge fields are also available in this template.

Email template creation 09-email-template-suspension-1.png

Email template configuration 10-email-template-suspension-2.png

Installation and Configuration Guide

Add server (MinIO S3)

Add a new server to the system WHMCS

Navigate to: System Settings → Servers → Add New Server

Step 1 — General settings

Enter the correct Name and Hostname for your MinIO S3 server.

Add server - General settings 05-add-server-1.png

Step 2 — Module settings

In the Server Details section:

  1. Select the PUQ MinIO S3 module
  2. Enter the correct username and password for the MinIO web interface
  3. Click the Test connection button to verify the connection

Add server - Module settings 06-add-server-2.png

Note: The MinIO user must have administrator privileges to manage users, policies, and buckets via the API.

Installation and Configuration Guide

Product Configuration

Add new product to WHMCS

Navigate to: System Settings → Products/Services → Create a New Product

In the Module Settings section, select the PUQ MinIO S3 module.

Configuration parameters

Parameter Description
License key A pre-purchased license key for the PUQ MinIO S3 module. For the module to work correctly, the key must be active
Unit Packet disk space units (MB, GB, TB, PB)
Disk space size Disk size in this product (set to 0 for unlimited)
Notification disk limit email template Email template that will be sent when the disk quota is exceeded in %
Notification, used disk space X % Sets a percentage parameter (1-100, default 90), after exceeding this parameter a notification will be sent to the user
Group The group that will be assigned to the user on the server side of the MinIO S3
Raw Policy The policy that is assigned to the user during creation on the server
Suspend exceeding disk limit email template The template of the letter that will be sent to the client if his disk limit is 100% or less 100%
Raw policy Disk limit The policy that will be applied to the client when the client runs out of space
Save usage history (days) The number of days it takes to save user disk usage statistics
Link to instruction Link to the instruction, if filled out, it will be reflected in the client area
Default Bucket Options to enable or disable the creation of a default bucket, and also set its prefix
Client Area Client zone settings — show or not show the password in the client zone, type how to show the password

Username rule

Default: {client_id}-{service_id}

Macro Description
{client_id} Client ID
{service_id} Service ID
{unixtime} Current Unix timestamp
{date} Current date (YYYY-MM-DD)
{time} Current time (HH-MM-SS)
{random_digit_x} Random digit string of length x
{random_letter_x} Random letter string of length x

Password rule

Default: 12:123456789QAZWSXEDCRFVTGBYHNUJMIKqazwsxedcrfvtgbyhnujmikolp

Format: length:charset — where length is the password length and charset is the set of characters to use.

Raw Policy (Standard)

The policy that is assigned to the user during creation on the server:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "admin:Heal",
                "admin:SetBucketTarget",
                "admin:TopLocksInfo",
                "admin:DataUsageInfo",
                "admin:GetBucketQuota",
                "admin:GetBucketTarget"
            ],
            "Resource": [
                "arn:aws:s3:::<USER_ID>*"
            ]
        },
        {
            "Effect": "Allow",
            "Action": [
                "s3:*"
            ],
            "Resource": [
                "arn:aws:s3:::<USER_ID>*"
            ]
        }
    ]
}

Raw Policy Disk Limit

The policy that will be applied to the client when the client runs out of space:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "admin:Heal",
                "admin:SetBucketTarget",
                "admin:TopLocksInfo",
                "admin:DataUsageInfo",
                "admin:GetBucketQuota",
                "admin:GetBucketTarget"
            ],
            "Resource": [
                "arn:aws:s3:::<USER_ID>*"
            ]
        },
        {
            "Effect": "Allow",
            "Action": [
                "s3:GetObject",
                "s3:DeleteObject",
                "s3:ListBucket"
            ],
            "Resource": [
                "arn:aws:s3:::<USER_ID>*"
            ]
        }
    ]
}

Important: Policy recalculation occurs once a day during the collection of server statistics (UpdateServerUsage).

Product configuration 11-product-configuration.png

Client Area

Overview of the client-facing features available in the MinIO S3 WHMCS module, including the home screen, email notifications, and disk usage statistics.

Client Area

Home screen

Screenshot when the account is in a normal state.

The end customer, after logging in to his own customer panel, has access to the following information and options:

Client area home screen 01-description-client-area.png

Client area disk usage 02-description-disk-stats.png

Client area buckets 14-home-screen-3.png

Client Area

Email notification

Below you can see an example of an email notification regarding data limit.

When the disk usage exceeds the configured percentage threshold, the system automatically sends an email notification to the customer using the configured email template.

Email notification example 15-email-notification.png

Client Area

Disk statistics

Client can check the data usage statistics in the menu item Used space statistics.

The statistics page displays disk usage data collected by the WHMCS cron and stored in the database:

Both charts are rendered using Google Charts.

Disk statistics - daily usage 02-description-disk-stats.png

Disk statistics - monthly average 14-home-screen-3.png

Admin Area

Administrative features and tools available in the WHMCS admin panel for managing MinIO S3 services.

Admin Area

Product Information

Here is the data presented for the service admin in WHMCS.

The admin area provides the following information and controls:

Policy management

Important: Policy recalculation occurs once a day during the collection of server statistics (UpdateServerUsage).

Admin area product information 03-description-admin-area.png