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Best Practice to distribute Firefox Addons?

  • December 15, 2025
  • 7 replies
  • 92 views
JevermannNG
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Hey,

I am looking for a way to distribute Firefox Addons via Self Service …?

The following Addon should be available in Self Service:

Passwork Self-Hosted Extension

https://addons.mozilla.org/en-US/firefox/addon/passwork-self-hosted/?utm_source=addons.mozilla.org&utm_medium=referral&utm_content=search

Do I have to change anything else after the distribution as an PKG?
How can I make sure that the installed Addon gets automatically updated?

Best answer by CSCC-JS

This is what I’ve used in the past.

Copy the XPI file to a place, then create a profile that triggers Firefox to install it.

New Configuration Profile
Application & Custom Settings 

org.mozilla.firefox

 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>EnterprisePoliciesEnabled</key>
	<true/>
	<key>Extensions</key>
	<dict>
		<key>Install</key>
		<array>
			<string>/Library/Application Support/company/FirefoxHighlighter.xpi</string>
		</array>
	</dict>
</dict>
</plist>

 

(Edit)

It looks like this should install it automatically and turn on extension updates

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>EnterprisePoliciesEnabled</key>
	<true/>
	<key>ExtensionUpdate</key>
	<true/>
	<key>Extensions</key>
	<dict>
		<key>Install</key>
		<array>
			<string>https://addons.mozilla.org/firefox/downloads/file/4644082/passwork_self_hosted-2.0.30.xpi</string>
		</array>
	</dict>
</dict>
</plist>

 

    7 replies

    CSCC-JS
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    • CSCC-JS
    • Valued Contributor
    • Answer
    • December 16, 2025

    This is what I’ve used in the past.

    Copy the XPI file to a place, then create a profile that triggers Firefox to install it.

    New Configuration Profile
    Application & Custom Settings 

    org.mozilla.firefox

     

    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
    <dict>
    	<key>EnterprisePoliciesEnabled</key>
    	<true/>
    	<key>Extensions</key>
    	<dict>
    		<key>Install</key>
    		<array>
    			<string>/Library/Application Support/company/FirefoxHighlighter.xpi</string>
    		</array>
    	</dict>
    </dict>
    </plist>

     

    (Edit)

    It looks like this should install it automatically and turn on extension updates

    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
    <dict>
    	<key>EnterprisePoliciesEnabled</key>
    	<true/>
    	<key>ExtensionUpdate</key>
    	<true/>
    	<key>Extensions</key>
    	<dict>
    		<key>Install</key>
    		<array>
    			<string>https://addons.mozilla.org/firefox/downloads/file/4644082/passwork_self_hosted-2.0.30.xpi</string>
    		</array>
    	</dict>
    </dict>
    </plist>

     

    JevermannNG
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    • JevermannNG
    • Author
    • Valued Contributor
    • December 17, 2025

    Hi ​@CSCC-JS 

    I tried to Upload the Schema but get the following error:

     

    CSCC-JS
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    • CSCC-JS
    • Valued Contributor
    • December 17, 2025

    Try copying and pasting the code 

     

    JevermannNG
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    • JevermannNG
    • Author
    • Valued Contributor
    • December 18, 2025

    ​@CSCC-JS I did but it didnt work, I found a workaround: I copied the code to BBEdit, saved each file and uploaded the two files to the Jamf Profile.
    It works, thank you :-)

    Do you have a similar solution for the Google Chrome Browser?

     

     

    CSCC-JS
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    • CSCC-JS
    • Valued Contributor
    • December 18, 2025
    com.google.Chrome
     
    You will need to find out the string for the extension and replace it from the one bellow
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
    <dict>
    	<key>ExtensionInstallForcelist</key>
    	<array>
    		<string>inoeonmfapjbbkmdafoankkfajkcphgd</string>
    	</array>
    	<key>ExtensionSettings</key>
    	<dict>
    		<key>{{value}}</key>
    		<dict>
    			<key>installation_mode</key>
    			<string>force_installed</string>
    		</dict>
    	</dict>
    </dict>
    </plist>
      JevermannNG
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      • JevermannNG
      • Author
      • Valued Contributor
      • December 19, 2025

      thank you ​@CSCC-JS !

      CSCC-JS
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      • CSCC-JS
      • Valued Contributor
      • December 19, 2025

      Your welcome.

      Check out the (free) iMazing Profile editor. 

      https://imazing.com/guides/getting-started-with-imazing-profile-editor

      One of it’s functions (in addition to creating full profiles) is also the ability to export as a plist you can upload in to the Application & Custom Settings upload section.

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