Inpera Originality Plagiarism Plugin for Moodle

Inspera Originality is a plugin that integrates Moodle with the Inspera Originality plagiarism detection service.

• Copyright: (C) 2025 Inspera AS
• License: GNU GPL v3 or later

Note: This plugin requires a subscription to the Inspera Originality API service. You must have a valid Client ID and Institution ID to use it.

Features

This release (2.0.0) currently supports:

• Activity Support: Moodle Assignment (mod_assign) and Moodle Quiz (mod_quiz).
• Submission Types: File submissions and Online Text.
• Roles: Distinct report links for Students (View Only) vs Teachers (Edit/Grade mode).

Known Limitations:

• Forum activities are not yet supported in this version.
• Group assignments are supported with limitations (only file uploads are supported).
• Supported on Moodle 4.5+ (see version.php for details).

Installation

1. Download

Download the zip file or clone the repository into your Moodle plagiarism directory. The folder name must be inspera.

cd /path/to/your/moodle/plagiarism/
git clone [https://github.com/inspera/moodle-plagiarism_inspera.git](https://github.com/inspera/moodle-plagiarism_inspera.git) inspera

2. Install

1. Log in to your Moodle site as an Administrator.
2. Go to Site administration > Notifications.
3. Follow the prompts to upgrade the database and install the plugin.

3. Enable Plagiarism API

Important: Moodle disables plagiarism plugins by default.

1. Navigate to Site administration > Advanced features.
2. Check the box for Enable plagiarism plugins.
3. Save changes.

Configuration

1. Navigate to Site administration > Plugins > Plagiarism > Inspera Originality Plugin.
2. Enter your API credentials:
   • API URL: The base URL for the Inspera Originality API.
   • Client ID: Your unique client identifier.
   • Institution ID: Your institution identifier.
3. Configure global defaults.

Usage in Assignments/Quizzes

To enable Inspera Originality for a specific assignment:

1. Edit the Assignment/Quiz settings.
2. Scroll down to the Inspera Originality settings section.
3. Set Enable Originality to Yes.
4. Configure optional settings:
   • Show similarity reports to students: Choose when students can see the report.
   • Supported File Types: Restrict which files are sent for analysis.

Troubleshooting

• Plugin settings not appearing: Ensure "Enable plagiarism plugins" is checked in Advanced Features (Step 3 above).
• "You are not authorized to submit": Check your Client ID and Institution ID in the plugin settings.
• Report links missing: The report is generated via a background task (cron). Ensure your Moodle cron is running frequently (recommended: every 1 minute).
• Connection Tests Fail: Verify your server firewall allows outbound connections to the Originality API URL.