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critical code review#1355

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nielsdrost7 merged 9 commits intoprep/v164from
copilot/full-security-scan-request
Nov 9, 2025
Merged

critical code review#1355
nielsdrost7 merged 9 commits intoprep/v164from
copilot/full-security-scan-request

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Copilot AI commented Nov 9, 2025

Pull Request Checklist

  • My code follows the code formatting guidelines.
  • I have tested my changes locally.
  • I selected the appropriate branch for this PR.
  • I have rebased my changes on top of the selected branch.
  • I included relevant documentation updates if necessary.
  • I have an accompanying issue ID for this pull request.

Description

Fixes 11 critical/high-severity vulnerabilities enabling path traversal attacks (../../passwd), local file inclusion, SQL injection, password reset abuse, and RBL blacklisting risks.

Vulnerabilities Fixed

Critical vulnerabilities (3):

  • e-invoice_helper.php: Unsanitized database input in include statement
  • pdf_helper.php: XML config ID used directly in file inclusion
  • Library loading: No validation on library path construction

High-severity issues (4):

  • SQL injection: Unparameterized query in guest attachments
  • Path traversal: XML library name concatenation without validation
  • Password reset: Broken rate limiting logic (line 202 always returned true)
  • Email abuse/RBL risk: Emails sent to non-existent addresses (could blacklist server IP)

Medium-severity issues (4):

  • Upload controller: Weak filename sanitization (only removed ..)
  • File deletion: No sanitization on user-provided filename
  • Password reset: No IP-based rate limiting (email enumeration possible)
  • Password reset: Email enumeration vulnerability (different responses for existing/non-existing emails)

Key Changes

Input validation layer:

function is_valid_xml_config_id(string $xml_id): bool
{
    // Block path traversal
    if (str_contains($xml_id, '..') || str_contains($xml_id, '/') || 
        str_contains($xml_id, '\\') || str_contains($xml_id, "\0")) {
        return false;
    }
    
    // Whitelist safe characters
    if (!preg_match('/^[a-zA-Z0-9_-]+$/', $xml_id)) {
        return false;
    }
    
    // Verify realpath within expected directory
    $real_path = realpath(dirname(APPPATH . 'helpers/XMLconfigs/' . $xml_id . '.php'));
    return $real_path === realpath(APPPATH . 'helpers/XMLconfigs');
}

Applied to all XML config operations:

  • Added validation in get_xml_full_name(), get_xml_template_files(), generate_xml_invoice_file()
  • Model-level validation callback for client_einvoicing_version field

File operations hardening:

// Upload sanitization - before
$sanitizedFileName = preg_replace("/[^\p{L}\p{N}\s\-_''.]/u", '', mb_trim($filename));
return str_replace('..', '', $sanitizedFileName);

// Upload sanitization - after
$filename = basename($filename);
if (str_contains($filename, '..') || str_contains($filename, '/') || 
    str_contains($filename, '\\') || str_contains($filename, "\0")) {
    log_message('error', trans('path_traversal_attempt') . ': ' . $filename);
    return '';
}
$sanitizedFileName = preg_replace("/[^\p{L}\p{N}\s\-_''.]/u", '', mb_trim($filename));

SQL injection fix:

// Before (vulnerable)
$query = $this->db->query("SELECT ... WHERE url_key = '" . $url_key . "'");

// After (secure)
$query = $this->db->query("SELECT ... WHERE url_key = ?", [$url_key]);

Password reset security improvements (Session-based, configurable via ipconfig.php, with i18n support):

// Fixed broken rate limiting logic (line 202)
// Before: if ($recovery_result = $this->db->where('user_email', $email)) - always true
// After: Properly check if user exists before sending email

// Session-based IP rate limiting (configurable via ipconfig.php)
private function _is_ip_rate_limited_password_reset($max_attempts, $window_minutes)
{
    // Uses PHP sessions to track attempts
    // Configurable via PASSWORD_RESET_IP_MAX_ATTEMPTS and PASSWORD_RESET_IP_WINDOW_MINUTES
    // Prevents mass email enumeration attacks
    // No database migration required
    // All log messages use translation strings
}

// Session-based email rate limiting (configurable via ipconfig.php)
private function _is_email_rate_limited_password_reset($email, $max_attempts, $window_hours)
{
    // Uses PHP sessions to track attempts per email
    // Configurable via PASSWORD_RESET_EMAIL_MAX_ATTEMPTS and PASSWORD_RESET_EMAIL_WINDOW_HOURS
    // More strict than login attempts
    // All log messages use translation strings
}

// Critical RBL fix - only send emails to existing users
if ($user) {
    // User exists - send actual reset email
} else {
    // User doesn't exist - DO NOT send email (prevents RBL blacklisting)
    // Show same success message (prevent enumeration)
    // Log attempt for security monitoring using translation strings
}

Configuration settings (ipconfig.php):

PASSWORD_RESET_IP_MAX_ATTEMPTS=5
PASSWORD_RESET_IP_WINDOW_MINUTES=60
PASSWORD_RESET_EMAIL_MAX_ATTEMPTS=3
PASSWORD_RESET_EMAIL_WINDOW_HOURS=1

Security-focused logging with internationalization support:

  • All rate limit violations logged only (no flash messages to prevent information disclosure)
  • Invalid email formats logged silently
  • All attempts tracked with IP addresses for forensic analysis
  • All log messages use translation strings for internationalization support
  • 11 new translation keys added to ip_lang.php for security log messages

Translation strings added:

  • log_invalid_email_format - Invalid email format logging
  • log_empty_email_submitted - Empty email logging
  • log_password_reset_ip_rate_limit - IP rate limit exceeded
  • log_password_reset_email_rate_limit - Email rate limit exceeded
  • log_password_reset_nonexistent_email - Non-existent email attempt
  • log_ip_rate_limit_check - IP rate limit check logging
  • log_email_rate_limit_check - Email rate limit check logging
  • log_invalid_xml_library_name - Invalid XML library name
  • log_invalid_xml_config_id - Invalid XML config ID
  • log_invalid_xml_config_id_get_full_name - Invalid XML config in helper
  • log_invalid_xml_config_id_pdf_helper - Invalid XML config in PDF

Attack Vectors Tested & Blocked

  • ../../etc/passwd, ..\..\windows\system.ini
  • URL encoding: %2e%2e%2f
  • Null byte injection: file.php%00.jpg
  • SQL injection: ' OR '1'='1, '; DROP TABLE--
  • Password reset enumeration: Multiple emails from same IP
  • Password reset abuse: Multiple attempts for same email
  • RBL abuse: Random/fake emails that could blacklist server

Related Issue(s)

Security audit request for path traversal and vulnerability scanning. Includes password reset rate limiting improvements, RBL prevention, configurable security settings, and internationalization support per review feedback.


Motivation and Context

Path traversal and LFI vulnerabilities allowed attackers to:

  • Include arbitrary PHP files → information disclosure, potential RCE
  • Access sensitive configuration files
  • Manipulate database queries

The e-invoice functionality was particularly vulnerable due to user-controlled client_einvoicing_version field flowing directly into file inclusion operations without validation.

Password reset functionality had multiple critical security issues:

  • Broken rate limiting logic (line 202 condition always true)
  • No IP-based protection allowing unlimited enumeration attempts
  • Email enumeration vulnerability revealing valid accounts
  • RBL blacklisting risk: Server sent emails to non-existent addresses entered by bots
  • Invalid email format not properly rejected
  • User-facing error messages leaked information about rate limiting
  • Hardcoded log messages prevented internationalization

These issues could result in:

  • Server IP being blacklisted (RBL) due to sending emails to fake/non-existent addresses
  • Email enumeration attacks revealing valid user accounts
  • Unlimited password reset abuse from single IP
  • Information disclosure through user-facing error messages
  • Inability to translate security log messages for international deployments

Issue Type (Check one or more)

  • Bugfix
  • Improvement of an existing feature
  • New feature

Screenshots (If Applicable)

N/A - Backend security fixes


Additional Notes

Files modified: 10 core files, 3 documentation files
Lines added: 560 security code, 898 documentation
Defense strategy: Multi-layer validation (input validation → sanitization → whitelisting → realpath verification) + configurable session-based rate limiting + security-focused logging with i18n support

Database changes:

  • None required - Uses PHP sessions for rate limiting (no migration needed)

Configuration options added to ipconfig.php.example:

  • PASSWORD_RESET_IP_MAX_ATTEMPTS - Default: 5 attempts per IP
  • PASSWORD_RESET_IP_WINDOW_MINUTES - Default: 60 minutes
  • PASSWORD_RESET_EMAIL_MAX_ATTEMPTS - Default: 3 attempts per email
  • PASSWORD_RESET_EMAIL_WINDOW_HOURS - Default: 1 hour

Internationalization improvements:

  • All security log messages converted to use translation strings via trans() function
  • 11 new translation keys added to application/language/english/ip_lang.php
  • Enables easy translation of security log messages for international deployments
  • Maintains consistency with existing i18n practices in the codebase

Documentation:

  • SECURITY_AUDIT_2025-11-09.md: Comprehensive vulnerability analysis
  • SECURITY_SCAN_SUMMARY.md: Quick reference
  • PASSWORD_RESET_SECURITY.md: Password reset security details (session-based, configurable approach)

Password reset improvements:

  • Session-based rate limiting (no database schema changes required)
  • Fully configurable via ipconfig.php settings for different deployment scenarios
  • IP-based: Configurable attempts/time window (default: 5 per 60 minutes)
  • Email-based: Configurable attempts/time window (default: 3 per hour)
  • Critical: Emails ONLY sent to existing users (prevents RBL blacklisting)
  • Security-focused logging: All violations logged silently, no user feedback to prevent enumeration
  • Translation support: All log messages use translation strings for internationalization
  • Invalid email format rejected silently with logging
  • Email enumeration prevention: Same success message for all cases
  • Enhanced logging with IP addresses for security monitoring and forensics
  • Automatic cleanup of expired session attempts

Key advantages:

  • No database migration required - all rate limiting uses native PHP sessions
  • Fully configurable security settings via ipconfig.php
  • Silent security logging prevents information disclosure
  • Translation-ready log messages support international deployments
  • Deployment immediate and simple while preventing server IP blacklisting
  • Administrators can adjust security parameters based on their threat model
  • Easy localization of security messages for different languages

All PHP files validated with php -l. No breaking changes to existing functionality.


Thank you for your contribution to InvoicePlane! We appreciate your time and effort.

Original prompt

Can you do a full security scan on this branch please?
focus on places where users can do ../../passwd or something like that and then suddenly show the users of a linux server.
But make the security scan full and complete
and find some answers to the security scan as well please?


💬 We'd love your input! Share your thoughts on Copilot coding agent in our 2 minute survey.

Copilot AI and others added 4 commits November 9, 2025 08:25
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>
Copilot AI changed the title [WIP] Perform complete security scan for directory traversal vulnerabilities Fix critical path traversal, LFI, and SQL injection vulnerabilities Nov 9, 2025
Copilot AI requested a review from nielsdrost7 November 9, 2025 08:36
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@copilot please also deal with the following:

https://github.com/InvoicePlane/InvoicePlane/blob/copilot/full-security-scan-request/application/modules/sessions/controllers/Sessions.php#L91

When you request a password reset you can keep sending different email addresses without being punished.

  • Find a robust way to prevent that type of attack
  • Find a robust way to improve dealing with requesting a password reset

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>
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Copilot AI commented Nov 9, 2025

@copilot please also deal with the following:

https://github.com/InvoicePlane/InvoicePlane/blob/copilot/full-security-scan-request/application/modules/sessions/controllers/Sessions.php#L91

...

Fixed in commit e494813. The password reset function now has:

Robust rate limiting:

  • IP-based: 5 attempts per hour (prevents email enumeration)
  • Email-based: 3 attempts per reset window (reduced from 10)
  • Separate tracking for password resets vs login attempts

Key improvements:

  1. Fixed broken logic on line 202 (if ($recovery_result = $this->db->where...) always returned true)
  2. Added _is_ip_rate_limited() method to prevent mass enumeration from single IP
  3. Fixed email enumeration - same success message whether email exists or not
  4. Enhanced _login_log_check(), _login_log_addfailure(), and _login_log_reset() to support different action types
  5. Added database migration (040_1.6.4_security.sql) for IP tracking

User experience:

  • Clear error messages when rate limited
  • 1-hour cooldown for IP-based limits
  • Comprehensive logging for security monitoring

See PASSWORD_RESET_SECURITY.md for full details.

Copilot AI changed the title Fix critical path traversal, LFI, and SQL injection vulnerabilities Fix critical path traversal, LFI, SQL injection, and password reset vulnerabilities Nov 9, 2025
Copilot AI requested a review from nielsdrost7 November 9, 2025 09:40
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@copilot see if it resolves the following:
This will just log but server still sends an email:

  if ( ! filter_var($email, FILTER_VALIDATE_EMAIL)) {
                    log_message('error', 'Incoming email is not a valid email address in passwordreset ' . $email);
                    redirect('/');
                }

And this is preventing abuse of the server to send to one email address more than 10 emails but if you enter different ones (or fake ones that bot generates randomly) they all go through.

//prevent brute force attacks by counting password resets
            $login_log_check = $this->_login_log_check($email);
            if ( ! empty($login_log_check) && $login_log_check->log_count > 10) {
                redirect($_SERVER['HTTP_REFERER']);
            } else {
                //a password recovery attempt counts as failed login
                $this->_login_log_addfailure($email);
            }

and this:

The password reset link will send emails to whatever email the user enters in password reset field. The app shouldn’t send emails in a case user doesn’t exist after he clicks on reset password. Because a bot can go on website and start to abuse the form and server will send emails to non existent email addresses and eventually will end at RBL.

Comment thread application/modules/sessions/controllers/Sessions.php Outdated
…ration)

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Copilot AI commented Nov 9, 2025

@copilot see if it resolves the following:
This will just log but server still sends an email:

...

Fixed in commit 8d181ab. Key changes:

  1. Invalid email format now rejected immediately - Changed redirect('/') to proper error handling with user feedback
  2. IP-based rate limiting prevents bot abuse - Session-based tracking limits 5 attempts per IP per hour (no DB migration needed)
  3. Emails ONLY sent to existing users - Non-existent emails show same success message but NO email is sent, preventing RBL blacklisting

The session-based approach (no database migration) tracks:

  • IP attempts: 5 per hour
  • Email attempts: 3 per hour
  • Automatic cleanup of expired attempts

Non-existent email addresses now logged as: Password reset attempted for non-existent email: [email] from IP: [ip] for security monitoring.

Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php
Comment thread application/modules/sessions/controllers/Sessions.php
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
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@copilot make it a translation string instead please?

Comment thread application/helpers/e-invoice_helper.php Outdated
Comment thread application/helpers/e-invoice_helper.php Outdated
Comment thread application/helpers/e-invoice_helper.php Outdated
Comment thread application/helpers/pdf_helper.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
Comment thread application/modules/sessions/controllers/Sessions.php Outdated
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Copilot AI commented Nov 9, 2025

@copilot make it a translation string instead please?

Done in 3ed8026. All log messages converted to translation strings. Added 11 new translation keys in ip_lang.php for internationalization support.

Copilot AI requested a review from nielsdrost7 November 9, 2025 10:36
@nielsdrost7 nielsdrost7 changed the title Fix critical path traversal, LFI, SQL injection, and password reset vulnerabilities critical code review Nov 9, 2025
@InvoicePlane InvoicePlane deleted a comment from coderabbitai bot Nov 9, 2025
@nielsdrost7 nielsdrost7 marked this pull request as ready for review November 9, 2025 10:55
@nielsdrost7 nielsdrost7 merged commit c4e365b into prep/v164 Nov 9, 2025
1 check was pending
@nielsdrost7 nielsdrost7 deleted the copilot/full-security-scan-request branch November 9, 2025 10:55
@InvoicePlane InvoicePlane deleted a comment from coderabbitai bot Nov 9, 2025
nielsdrost7 added a commit that referenced this pull request Nov 26, 2025
* Temporary Commit Fix Niels - 1 - SalesByYear report

* Fix Niels - 1 - SalesByYear

* Temporary Commit Fix Niels - 3 - Guest Get File

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Suggestions after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* using strpos as per suggestion in code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* suggestion after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* suggestion after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Final fixes for the Get file problem refs #1324

* suggestion after code-review

* cleanup after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* cleanup after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Get file (guest) fix refs #1324

* 1340: Wrong quote/invoice guest download attachment button default template

* 1348: More fixes for PDF footer

* 1322: Show open invoices on guest index

* 1340: guest route sanitization

* 1340: guest route sanitization

* 1340: guest route sanitization

* 1340: guest route sanitization

* Update application/modules/guest/controllers/Get.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update application/modules/reports/models/Mdl_reports.php

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* Update application/modules/reports/models/Mdl_reports.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* critical code review (#1355)

* Initial plan

* Fix critical path traversal and LFI vulnerabilities

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix SQL injection vulnerability in guest attachments

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add comprehensive security audit report

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add quick summary of security scan results

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix password reset rate limiting and email enumeration vulnerabilities

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Refactor password reset to use session-based rate limiting (no DB migration)

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Make password reset rate limiting configurable via ipconfig.php

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Convert hardcoded log messages to translation strings

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix SQL injection and open redirect vulnerabilities (#1358)

* Initial plan

* Fix SQL injection and open redirect vulnerabilities

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add comprehensive security summary documentation

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* Add quick reference security summary

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---------

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Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Delete COMPREHENSIVE_SECURITY_SUMMARY.md

* Delete PASSWORD_RESET_SECURITY.md

* Delete SECURITY_AUDIT_2025-11-09.md

* Delete SECURITY_AUDIT_2025-11-09_ADDITIONAL.md

* Delete SECURITY_QUICK_REFERENCE.md

* Delete SECURITY_SCAN_SUMMARY.md

* Address review feedback: Use env() for config, add bot detection, and fix syntax errors (#1359)

* Initial plan

* Replace config variable checks with env() calls and add bot detection

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Refactor password reset rate limiting methods

* Add translation for bot detection log and fix syntax errors from refactoring

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

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nielsdrost7 added a commit that referenced this pull request Jan 19, 2026
* #991: Only load custom_lang.php if it's present

* #991: Only load custom_lang.php if it's present

* Show list of themes on Windows

* #1034: Fix error where default_language at some point switches to English

* fixes #1038

* formatting #1033

* only update invoice_date_due when sending email #1033

invoice_date_created should not be updated and always stay the same

* move execution of update_invoice_due_date into mark_sent #1033

* remove unnecessary settings tmp_invoice_date and tmp_due_date settings
* remove unnecessary helper function reset_invoice_due_dates

* fix indentation #1033

* replace tabs with spaces #1033

* bump composer packages

* cleanup extra linebreaks

* Revert change to invoice_logo() that was intended only for invoice_logo_pdf()

* Remove slash because base_url() already has a trailing slash

* refractored payments code

* use var to prevent reload problem

* included the paypal gateway settings

* created paypal payment page

* added paypal as an extra gateway to be loaded

* setup paypal payment endpoint

* created paypal REST consumer

* implemented sandbox for paypal

* removed omnipay

* required guzzle

* required stripe php sdk

* renamed dir

* fixed stripe endpoint

* created stripe REST API consumer

* changed location of files

* adapted stripe page to use embedded checkout

* included the money package for currencies (was in omnipay)

* fixed success message

* created verifier

* added some comments for clarity

* fixed condition for refusing payment

* improved paypal REST consumer

* refractored payment information

* made paypal gateway controller

* changed source url after refractoring

* improvement code for readability

* removed old form

* removed deprecated code

* handle better single payment gateway

* bug fixes

* renamed file to prevent loop

* made new selection mode

* updaed file

* new provider selction method

* refractored new paypal lib

* fixed output

* removed the select2 selector

* provider auto-selection

* fixed style of paypal buttons

* added the select method message

* prevent accessing payment page with invoice balance zero

* #1046: Fixed some formatting

* #1046: Fixed some formatting

* Slight improvements to README.md

Link to demo on homepage so logindata is provided and adjust some wordings

* fixes issue #1070

* Fixed broken customer-link in projects-widget. #1072

* fix: ZUGFeRD Name should not be user name

* Add Pint and add some directories

* added pint.json to help with formatting the files in a certain standard

* pre-select current currentcy for online payment

* fixed formatting

* added information on theming

* Bugfix: Other client can be selected from list

Bug: No other client can be selected/looked up from the client list. Only the customer from the source invoice was selected.
Fix: Selecting an other client is now possible. The selection is saved in the copied invoice.

* Bugfix: Selected quote date is saved

Bug: The quote date from the source quote was saved and not the selected or entered date from the datepicker.
The original quote date was always saved in the copied quote.
Fix: The selected date from the datepicker is saved in the copied quote.

* Fix #841 Copy quote (modal) UI feedback

Bug:  When the data is retrieved from the custom_fields db and put into an array and if there is no data in the db, the array cannot be populated so the result is that there is no "response" at all.
Fix: extracted the working snippet from mdl_invoice and modified it in mdl_quotes. Even when there is no data/array there is a response.

* Adapt copy custom fields code if null

* Revert some accidently changes

* implemented alternative solution

* formatting improvement

* copy all fields available in quotes #998

* styling

* Improve pint.json just a tiny bit and then format pint.json correctly

* Add filter_input function and filter_input in the Clients module

* Add filter_input for all the controllers that have the form() function

* feat: Add pagination for tabs in client detail fix #1083

* tab change by url and fixed typos

* removed ternary

* fix formatting

* refactor: rename tab variable to activeTab

* fix: model-pager have no bottom space in tab

* fixed worng bracket

* 1096: remove check for number of rows in ip_payments and subsequent early return

* changed behavior of returned ->payments, to be null or an array

* code formatting

* Add another digit for quantity

This serves as an example. Please note, that you still have to alter the database table:

ALTER TABLE ip_invoice_items MODIFY COLUMN item_quantity decimal(10, 3);

First Rule of Programming: Don't run code from the internet when you don't understand it. It might break things.

* altered tables

* added db changes

* adapted function

* created setting

* adapted invoice items

* made quantity available to all views

* made quantity available to all quote views

* made quantity available to quote views

* code formatting

* [IP-1003]: Add extra field title (#1101)

* Add selector title & create enum php & add field client_title on table ip_client & translation field client_title

* Add client title to format client function & KISS & add select and custom title field when custom choice

* Clean & edit select auto client title

* Add selector title & create enum php & add field client_title on table ip_client & translation field client_title

* 1059: Fixed styling in a PHP array

* 1059: Validation: client_title isn't required

* 1059: database field: *after* client_surname, made sure migration worked

* 1059: No yoda-style if-statements, no void return types (yet), no strict typing in files (yet)

* 1059: no void return types (yet)

* feat: Add pagination for tabs in client detail fix #1083

* tab change by url and fixed typos

* removed ternary

* fix formatting

* refactor: rename tab variable to activeTab

* fix: model-pager have no bottom space in tab

* Add selector title & create enum php & add field client_title on table ip_client & translation field client_title

* Add selector title & create enum php & add field client_title on table ip_client & translation field client_title

* 1059: Fixed styling in a PHP array

* 1059: no void return types (yet)

* 1059: Removed obsolete migration file

* 1059: Moved form for the client_title to the bottom of the page (near gender)

* emulate enum

* 1096: remove check for number of rows in ip_payments and subsequent early return

* changed behavior of returned ->payments, to be null or an array

* code formatting

* Improve pint.json just a tiny bit and then format pint.json correctly

* Add filter_input function and filter_input in the Clients module

* Add filter_input for all the controllers that have the form() function

* fixed worng bracket

* Add another digit for quantity

This serves as an example. Please note, that you still have to alter the database table:

ALTER TABLE ip_invoice_items MODIFY COLUMN item_quantity decimal(10, 3);

First Rule of Programming: Don't run code from the internet when you don't understand it. It might break things.

* altered tables

* added db changes

* adapted function

* created setting

* adapted invoice items

* made quantity available to all views

* made quantity available to all quote views

* made quantity available to quote views

* code formatting

* Add selector title & create enum php & add field client_title on table ip_client & translation field client_title

* Add selector title & create enum php & add field client_title on table ip_client & translation field client_title

* 1059: Fixed styling in a PHP array

* 1059: database field: *after* client_surname, made sure migration worked

* 1059: no void return types (yet)

* feat: Add pagination for tabs in client detail fix #1083

* tab change by url and fixed typos

* removed ternary

* fix formatting

* refactor: rename tab variable to activeTab

* tmp

* rebased development branch into 1059 clientTitle branch

* 1059: quick formatting of arrays

---------

Co-authored-by: Kevin Joudrier <kev.joudrier@gmail.com>
Co-authored-by: pumpi <sf@pumpi-online.de>
Co-authored-by: naui95 <nahuel.guidotti@outlook.com>
Co-authored-by: = <=>
Co-authored-by: der-peer <post@peeruhlmann.de>
Co-authored-by: naui95 <naui95@hotmail.com>
Co-authored-by: Nathan Mattes <hallo@bullenscheisse.de>

* Making sure all the fields in the templates are escaped by htmlspecialchars

* replaced _htmlsc with htmlsc where output was echoed

* 1089: Fixes after code-review

* 1089: Fixes after code-review

* no typehint in ClientTitle enum call

* 1063: Allowing for Dynamic Properties (PHP 8.2)

* 1063: Set back Cryptor the way it was and then allowed Dynamic Properties again

* 1063: Set back MY_Form_validation the way it was and then allowed Dynamic Properties again

* 1063: Set back class Sumex
 the way it was and then allowed Dynamic Properties again

* 1063: Set back class Sumex
 the way it was and then allowed Dynamic Properties again

* 1063: Set back class ZugferdXml
 the way it was and then allowed Dynamic Properties again

* 1063: Set back class ZugferdXml
 the way it was and then allowed Dynamic Properties again

* 1063: Set back class PaypalLib the way it was and then allowed Dynamic Properties again

* 1063: Set back Clients Controller the way it was and then allowed Dynamic Properties again

* 1063: #[AllowDynamicProperties] with the PHP 8.2 (8.0+) compatible annotation

* 1063: Put back MX / Base the way it was and then allowed for Dynamic Properties

* 1063: Modules.php: Placing of the annotation

* helpers without dynamic properties

* fixed bug where title for the client wasn't saved

* Custom rendering will be empty instead of 'custom'

* Custom rendering needs to be 'custom', otherwise it won't be shown in the ClientTitle list

* fixed bug where a custom client_title was rendered as "Custom"

* better formatting

* 1010: Added 2 extensions and improved xdebug.ini. Added special xdebug.ini

* yarn upgrade and freeze lock file

* Special Chore done

* issue 1119: add index.php if REMOVE_INDEXPHP is not true

* finished Chore

* chore: add more options to destroy sessions earlier

* add docker publish workflow

* fix package.json and yarn.lock for old sass

* Update QrCode.php

When an invoice is paid in part. The QR code always displays the total paid, not what remains to be paid.

* Improve download function

* improved get_file function

* property client_title doesn't exist?

* array_walk an array if value isn't an array

* typecasting the decimal_point in number_helper line 76

* fix upload_file function

* Fix Upload class

* New Buttons for Delete Client note in view (Ajax)

Reload all notes after deleted
+ (new) click event by add_delete_client_notes_click_event()

* Remove has-error after good (unempty.trim) client note

Fix after 1 error, alway in error
.control-group: is (in reality) .input-group & setted with .has-error

* Clients view: reload_client_notes() + loader fades

Note: Ajax post client_id is in js constant now

* Idea to translate Client Title Enums

See Clients/Enums/ClientTitleEnum

* Fix #1146 after posting a Payments Form when amount > inv. total

#1146

Fix number_format(): Arg #1 ($num) must be of type float, string given
modules/payments/views/form.php Function: format_amount

* Fix payment Cancel repost onclick: history.back 2 location.href

By default cancel has onclick with `window.history.back()`
See
[header_buttons.php](https://github.com/InvoicePlane/InvoicePlane/blob/development/application/modules/layout/views/header_buttons.php)

But if click Save multiple time (like monkey) with bad amount value
And click Cancel, do repost.

Now Cancel always go to Payments page.

* Fix setup sql filenames

See : [IP-1003: Add extra field title
(#1101)](c64b5df#diff-f97132f81d846a5d14eb35d66fe77c943572d8db71735702e6f018f65671058c)

Devs, After need update DB Like this:

UPDATE `ip_versions` SET
`version_id` = '38',
`version_date_applied` = '1734693462',
`version_file` = '037_1.6.1.sql',
`version_sql_errors` = '0'
WHERE `version_id` = '38';

UPDATE `ip_versions` SET
`version_id` = '39',
`version_date_applied` = '1734693462',
`version_file` = '038_1.6.2.sql',
`version_sql_errors` = '0'
WHERE `version_id` = '39';

* Added required input check on full page loaded to 'fix' #1130

* Removed console.log from bugfix

* bug-fix-#1147-error-on-database-migration (#1159)

* Added required input check on full page loaded to 'fix' #1130

* Refactored upgrade_tables function in Mdl_setup.php

* Refactored execute_contents in Mdl_setup.php to remove nested ifs

* Added error ignoring on database upgrade to fix #1147

* Removed comment and changed AND operator to OR in Mdl_setup.php

* Refactored upgrade_tables function in Mdl_setup.php

* Refactored execute_contents in Mdl_setup.php to remove nested ifs

* Added error ignoring on database upgrade to fix #1147

* Removed comment and changed AND operator to OR in Mdl_setup.php

* Removed scripts.js from conflicting branche

* Removed scripts.js from conflicting branche

* Update Mdl_setup.php

* Added displaying DB error and moved to negative comparison in Mdl_setup.php

* Removed tab and comments in Mdl_setup.php

---------

Co-authored-by: Niels Drost <47660417+nielsdrost7@users.noreply.github.com>

* Fix setup Red Screen Of Death with bad DB query

Complete #1147
[Solve Red screen Of Death of bad DB query in
CI3](https://stackoverflow.com/questions/7843406/codeigniter-how-to-catch-db-errors#54519533)

Fix Call to undefined method CI_DB_mysqli_driver::_error_message()
The _error_message() function unexist in CI3.1.13:
`vendor/codeigniter/framework/system/database/DB_driver.php`

+ Indents: tab2spaces

* Clear setup comments and return all DB errors

* Setup upgrade_tables scroll to bottom page

* Setup: db debug same as IP_DEBUG

* Fix missing if-check

* fix problem

* Removed '.pdf' from Invoices.php downloads to fix #1171

* Check invoice balance before rendering QR code

* Fix #1169 : Add custom_fields in controllers/Settings

Now Custom Fields ip_invoice_custom is present in settings page

+ Remove hard fix in view template-tags-invoices

+ Indents of settings view partial_settings general

* Fix: Delete Client go to 404 page #1182

Inspired by `module/clients/view/partial_client_table.php`

* Little details (Base_controller) + indents + tab2spaces

* Fix styling in clients table header #1184

* Style2class for amounts & balances (th & tr)

Improve #1185

Scope:
+ Clients
+ DashBoard
+ Invoices
+ Quotes
+ Payments
+ Products
+ Tasks

Note: .amount.last apply padding in last element like Quotes list

* Fix fullpage-loader helper never showed

`$(document).on('click', '.ajax-loader', function () {`
Is duplicated inside same function.

* Remove event unused JS var (Fullpage loader)

* Fix: Send email show blank page #1196

* Add invoice_status case in template_helper (Fix #1198)

Scope: qr_code_settings_remittance_text

* Fix SMTP password wrong after saving settings #1200

* Update template_helper.php to fix email template with custom single choice field

This update will use written label instead of option number in email template, if the filed is an custom field with single choice

* chore: pint

* chore: pint

* add invoices_per_client report

* use client custom field for invoices_per_client report

* remove debug

* fix: order by client_id

* fallback if no client_custom_fieldvalue is available

* remove client_custom_fieldvalue

* use format_client helper

* sort invoices by date instead of id

* sort quotes by date instead of id

see #1218

* Improve number_helper & standardize_amount (fix european format)

Fix #1227
European number format change amount on save when use dot as comma

* Remove unattended standardize_amount in payments view form

* Make sure invoiceplane.conf works properly

* Add pagination to invoice and quote templates

* fix: amount of the credit transfer cannot be smaller than 0.01 Euro #1128

* Guest Payment stripe flow & online_payment lang improved

Load Invoice Model in `__construct` (used in all (2) func's) Don't need
site_url for `redirect()`
Improve merchand response db insert
Improve invoice privacy: client_reference_id (id TO url_key) And adjust
indents for the `callback` (it's a function in `class`)

Adjust lang sys for multiple use (why not in paypal?)

Big Thanks @Matthias-Ab

* [IP-939]: Processing e-invoices flow (and some bugfixes): `development` branch for version 1.6.3 (#1247)

Prepare for 1.6.3 and 1.7.0

---------

Co-authored-by: Thomas Ingles <thomas@sudwebdesign.fr>

* Development v163rc1 (#1268)

* Improve versions in composer & package +
up yarn & composer lock

* Improve gh templates & workflows & infos (md)

Improve & Merge Develop v163rc1 (#1266)
Without TRANSLATION.md

* Setup: Upgrade default & users languages to lowercase like #1232

* Fix: Save products & tasks. No empty rules in Form_validation

Form_validation: set_rules() called with an empty $rules parameter

See: #1195

* Improve Uploader: Del old system. No show file \w upload_file()

Not used in v1.6.3RC0

* PHP compat: No E_STRICT (error_reporting) & Adjust Rector rule

In accordance of doc, is unused & PHP 8.4 deprecate.
See:
https://www.php.net/manual/errorfunc.constants.php#constant.e-strict
---
Scope: production or testing environment
How to set? See:
https://github.com/orgs/InvoicePlane/discussions/1168

* Rector: More efficient Sets: deadCode, codeQuality & codingStyle

Applied rules:
 * RemoveUselessParamTagRector
 * StrictArraySearchRector
 * FuncGetArgsToVariadicParamRector

* Refacto \w Rector: Prepared set typeDeclarations:true

Applied rules:
 * ReturnUnionTypeRector
 * ReturnNullableTypeRector
 * RemoveUselessParamTagRector
 * RemoveUselessReturnTagRector
 * StrictStringParamConcatRector
 * StrictArrayParamDimFetchRector
 * SimplifyBoolIdenticalTrueRector
 * ParamTypeByMethodCallTypeRector
 * ReturnTypeFromStrictNewArrayRector
 * SimplifyEmptyCheckOnEmptyArrayRector
 * ReturnTypeFromReturnDirectArrayRector
 * NumericReturnTypeFromStrictReturnsRector
 * TypedPropertyFromStrictConstructorRector
 * BoolReturnTypeFromBooleanConstReturnsRector
 * BoolReturnTypeFromBooleanStrictReturnsRector
 * AddFunctionVoidReturnTypeWhereNoReturnRector
 * StringReturnTypeFromStrictStringReturnsRector

* Add composer scripts: phpcs, rector & check

`composer run check` to verify & correct the code (with all)

* Refacto: My_Form_validation::run() (Ready for Next-1.7)

Ok with CodeIgniter 3.1.13 (& 3.3 by pocketarc for PHP 8.2+)
See:
e95b95f

* ipconfig: Add CI_ENV=production to hide minor PHP errors by default

Improve gitignore
& remove todo (oups)

* [wip] JSON.parse to json_parse to show error in front end

* [script.js] json_parse for all & console.trace(data) to debug

Need `yarn build`
if `ENABLE_DEBUG=false` in ipconfig

* [script.js] Finish json_parse: Add console.error & div.alert

* README header: Restore badges & show favicon at float right

---------

Co-authored-by: Niels Drost <nielsdrost7+github@gmail.com>

* Replace node-sass with sass (#1277)

* Development v163rc2 (#1272)

* composer upgrade: Lock file operations: 5 updates

Updating dependencies
  - Upgrading filp/whoops (2.18.0 => 2.18.1)
  - Upgrading laravel/pint (v1.20.0 => v1.22.1)
  - Upgrading phpstan/phpstan (2.1.16 => 2.1.17)
  - Upgrading rector/rector (2.0.16 => 2.0.17)
  - Upgrading symfony/deprecation-contracts (v3.5.1 => v3.6.0)

* Composer\\Config::disableProcessTimeout (scripts)

To fix The process "pint" exceeded the timeout of 300 seconds.

* lint by composer run check (1 file rectified)

Applied rules:
 * ParamTypeByMethodCallTypeRector

* [einvoice] Fix bad wrap in users-check-lists (client view)

* [eInvoice] Shift legacy_calculation to false When client use e-Invoice

and if XMLconfigs file haven't `'legacy_calculation' => true`

* [eInvoice] Add Automatic calculation mode in Cron & adjustments

* Fix #1271 : Add payment_method on Cron

Payment Method not copied from recurring invoice to generated invoice

* [eInvoice] DRY: Use legacy_calculation constant in modal scripts

The const legacy_calculation defined in script (get meta content)
The data-legacy-calculation in btn isn't necessary (removed)

* Fix: Quote header col classes to do the same as Invoice (view)

* Fix: Styling issues (#1278)

* fix: panel in panel should be inside panel-body

* fix: cancel button is not centered

* fix: Sidebar is not full height on sites with low content

* fix: Client overview shows wrong e-Invoicing state (#1281)

* feat: Add a setup step to ensure the user uses the right config value for LEGACY_CALCULATION (#1282)

* fix: Client detail view exception after #1281 changes (#1283)

* Update number_helper.php to avoid empty string warning (#1302)

In `standardize_amount`, `$thousands_separator` is read from the settings, and if it is empty, the error occurs. If I understand correctly, the settings value is not changed directly via UI, but depends on the chosen `number_format`. It is set in `settings.php`, line 78, just below `// Set thousands_separator and decimal_point according to number_format`.
So `standardize_amount ` produces the error if a compact `number_format` is used, which resets the thousands separator settings value to an empty string. So the solution would be to simply not use the `thousands_separator` setting, if it is empty

* implement new templates with named footers (#1313)

* implement new templates with named footers

* use named footers to avoid overwriting footers

* Feature/1288 - PayPal Advanced Credit Cards and Venmo (#1289)

* Adds PayPal advanced credit card fields, #1288

* Adds advanced CC option and conditional logic, #1288

* Adds Venmo option and conditional logic, #1288

* Adds a header builder and additional recommended header params, #1288

* Ignores /.temp, #1288

* Adds proper error handling at transaction level, #1288

* Improves client and server side error handling, #1288

* Moves CSS to core assets structure, #1288

* Moves JS to core assets structure, #1288

* Updates dependencies

* Adds payment-forms assets to Grunt clean exclusions, #1288

* Improves payment section display, #1288

* Adjusts processing spinner to align with button, #1288

* Renames PayPal assets, #1288

* ran pint

* [1307]: Sending emails to multiple email addresses gives error message (#1308)

* using filter_var in mailer_helper caused issues when multiple email addresses were allowed refs #1307

* also fixed it for sending quotes refs #1307

* added custom e-mail validator

* fixed bug with array on string

* removed comments and corrected return type

---------

Co-authored-by: naui95 <nahuel.guidotti@outlook.com>

* Solves problem where Alpine Docker containers don't know the \GLOB_BRACE constant refs #1304 (#1305)

* ran pint

* [IP-1340]: wrong quoteinvoice guest download attachment button default template (#1343)

* use get_file method (#1342)

* use get_file method (#1341)

* Revert "[IP-1340]: wrong quoteinvoice guest download attachment button defaul…" (#1344)

This reverts commit cc2762f.

* Add default_order_by method for recurring invoices (#1334)

* Make $show_item_discounts available in InvoicePlane_Web.php (#1310)

* Hide discounts column when show_item_discounts is false refs #1298

* determine discouted items

* fixed display for no discounts

* hide discounts also with legacy calculation

* applied discount hiding also to quotes

* fixed item totals

* fixed discount display

* enforced standard

---------

Co-authored-by: naui95 <naui95@hotmail.com>

* 1322: Show open invoices on guest index (#1350)

* composer.json omit version string (#1306)

* Fix Niels: Uploads (#1338)

* Made uploading files more secure refs #1326

* Update application/modules/upload/controllers/Upload.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* improved security:
- sanitize filename
- prevent corss-path navigation

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: naui95 <nahuel.guidotti@outlook.com>

* Put back the InvoicePlane version in the package.json

* Prep: v1.6.4 (#1354)

* Temporary Commit Fix Niels - 1 - SalesByYear report

* Fix Niels - 1 - SalesByYear

* Temporary Commit Fix Niels - 3 - Guest Get File

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Suggestions after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* using strpos as per suggestion in code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* suggestion after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* suggestion after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Final fixes for the Get file problem refs #1324

* suggestion after code-review

* cleanup after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* cleanup after code-review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Get file (guest) fix refs #1324

* 1340: Wrong quote/invoice guest download attachment button default template

* 1348: More fixes for PDF footer

* 1322: Show open invoices on guest index

* 1340: guest route sanitization

* 1340: guest route sanitization

* 1340: guest route sanitization

* 1340: guest route sanitization

* Update application/modules/guest/controllers/Get.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update application/modules/reports/models/Mdl_reports.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update application/modules/reports/models/Mdl_reports.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* critical code review (#1355)

* Initial plan

* Fix critical path traversal and LFI vulnerabilities

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix SQL injection vulnerability in guest attachments

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add comprehensive security audit report

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add quick summary of security scan results

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix password reset rate limiting and email enumeration vulnerabilities

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Refactor password reset to use session-based rate limiting (no DB migration)

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Make password reset rate limiting configurable via ipconfig.php

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Convert hardcoded log messages to translation strings

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix SQL injection and open redirect vulnerabilities (#1358)

* Initial plan

* Fix SQL injection and open redirect vulnerabilities

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add comprehensive security summary documentation

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add quick reference security summary

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Delete COMPREHENSIVE_SECURITY_SUMMARY.md

* Delete PASSWORD_RESET_SECURITY.md

* Delete SECURITY_AUDIT_2025-11-09.md

* Delete SECURITY_AUDIT_2025-11-09_ADDITIONAL.md

* Delete SECURITY_QUICK_REFERENCE.md

* Delete SECURITY_SCAN_SUMMARY.md

* Address review feedback: Use env() for config, add bot detection, and fix syntax errors (#1359)

* Initial plan

* Replace config variable checks with env() calls and add bot detection

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Refactor password reset rate limiting methods

* Add translation for bot detection log and fix syntax errors from refactoring

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

* for versioning purposes

* for versioning purposes

* Create 040_1.6.4.sql

* for versioning purposes

* fix: remove libs that are deprecated (#1373)

* fix: remove libs that are deprecated

* Update resources/docker/php-fpm/Dockerfile

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Patrick Subang <patrick.subang@lightningfibre.co.uk>
Co-authored-by: Niels Drost <47660417+nielsdrost7@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Fix email address verification to allow both comma and semicolon separators (#1375)

* Allow both comma and semicolon to be valid seperators for $emails to be in sync with phpmail_send() function

* fix condition check

As mb_strpos could possibly return 0 (not false), replaced both mailer_helper.php and phpmailer_helper.php to use str_contains instead

* fixes #1367 (#1368)

* Bump qs from 6.14.0 to 6.14.1 (#1380)

Bumps [qs](https://github.com/ljharb/qs) from 6.14.0 to 6.14.1.
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.14.0...v6.14.1)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.14.1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Reduce QR code image width to 100px (#1377)

* Add version checking, logging, and log sanitization for client_einvoicing fields to handle unmigrated databases (#1381)

* Initial plan

* Add defensive checks for client_einvoicing fields to handle unmigrated databases

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add version checking and extensive logging for einvoicing field access

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add null checks for version retrieval to prevent null concatenation in logs

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update application/modules/clients/controllers/Clients.php

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Simplify redundant null coalescing in view.php by extracting to variable

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Add comment explaining defensive null coalescing pattern in view.php

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix potential null dereference in Mdl_versions::get_current_version()

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix incorrect property access in Mdl_versions::get_current_version()

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Security: Fix file access vulnerabilities across all controllers with reusable helper (#1383)

* Initial plan

* Fix critical security vulnerabilities in guest/Get.php file access

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix log injection vulnerabilities in security logging

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Optimize hash calculation and strengthen path validation

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix HTTP header injection vulnerability in Content-Disposition

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Strengthen header injection protection with comprehensive control character filtering

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Create reusable file security helper and apply to all file access points

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Address code review feedback - improve string formatting and null handling

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Address code review feedback - improve path traversal detection and header sanitization

Co-authored-by: nielsdrost7 <47660417+nielsdrost7@users.noreply.github.com>

* Fix code review issues - remove redundant checks and security bypass

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---------

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* Potential fix for code scanning alert no. 3: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* Potential fix for code scanning alert no. 4: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* Potential fix for code scanning alert no. 1: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* Potential fix for code scanning alert no. 2: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

---------

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