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Implements a strict Permissions Policy that restricts unnecessary browser APIs including: - Sensors (accelerometer, gyroscope, magnetometer, ambient light) - Media devices (camera, microphone) - Location (geolocation) - Hardware (USB, MIDI) - Payment APIs - Autoplay and picture-in-picture - VR/XR features - Interest-based advertising (FLoC/Topics) Only fullscreen is allowed from the same origin. Closes #19
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Summary
Enables the Permissions Policy HTTP header to restrict browser API access, improving security by reducing the attack surface.
Changes
Configures a strict permissions policy that:
Security Impact
This addresses a HIGH severity issue where the entire permissions policy was commented out, leaving all browser APIs unrestricted. The new policy follows the principle of least privilege.
Closes #19