Cloud Storage Shield Study Addon

install

npm install npm run build

about:debugging > [load temporary addon] > choose dist/cloud-storage-addon.xpi`
tools > Web Developer > Browser Console
Open about:config and create boolean pref cloud.services.api.enabled with value true
Open link e.g. https://www.mozilla.org/en-US/firefox/all/
Click on any download link. If you see the prompt 'You have chosen to open' asking to choose between open and save file - select save file.
If Cloud Storage API has never been initialized before first download initializes API and subsequent downloads shows door hangar prompt.

Click on Download link shows door hangar prompt asking user to opt-in to cloud storage
Result expected with different options selected in door hangar prompt

Save to provider download folder - Save downloaded file to provider local download folder e.g. ~/Dropbox/Downloads
Cancel - Save file to user default download folder e.g. ~/Downloads or user selected custom folder
Save with always remember checked - Sets provider download folder as default download by updating pref browser.download.folderlist as 3 and any subsequent download will be saved to provider download folder. In about:preferences, under 'Downloads' user is shown an option 'Save to Provider Name'
Cancel with always remember checked - Set provider as rejected in cloud.services.rejected.key pref and user will never be prompted again to use the provider. If a user has multiple provider on desktop , other providers will be used in door hangar prompt.

cloud.services.prompt.interval pref is set to 0 days by default, changing this pref sets the interval at which user should be prompted again.
Downloaded item will be marked with provider icon in Download history