How to build and run abcdesktop firefox-esr image to run flash application

Adobe no longer supports Flash Player after December 31, 2020 and blocked Flash content from running in Flash Player beginning January 12, 2021.

Lot of applications need to be rewrite, this can take time to rewrite application using HTML5.

Abcdesktop can be use to run Abode Flash application, using Firefox ESR web browser.

Firefox Extended Support Release (ESR) is an official version of Firefox developed for large organizations like universities and businesses that need to set up and maintain Firefox on a large scale. Firefox ESR does not come with the latest features but it has the latest security and stability fixes.

Goals

• use Flash Player for own web site

Requirements

• A running dockerd last version
• An access to the docker public registry
• Nodejs installed on your host.

Edit the mms.cfg file

Edit the mms.cfg file, and add your own website url

EOLUninstallDisable=1
SilentAutoUpdateEnable=0
AutoUpdateDisable=1
EnableAllowList=1
AllowListURLPattern=*://*.adobe.com
AllowListURLPattern=https://*.abcdesktop.io

Add the a new line and replace https://www.domain.comby your own web site

AllowListURLPattern=https://www.domain.com

Create file firefox-esr.d

Create a Dockerfile firefox-esr.d

• to copy your new mms.cfg into the directory /etc/adobe of your container image

FROM abcdesktopio/firefox-esr.d
USER 0
COPY mms.cfg /etc/adobe/mms.cfg
USER balloon

Build the new firefox-esr abcdesktop image

Run the docker build command

docker build -t firefox-esr.d -f firefox-esr.d .

Run the firefox-esr application

Login to your abcdesktop service

Using you web browser, log in to your abcdesktop service

Look at the twice firefox icon for Firefox and Firefox-esr application.

Start the application Firefox-esr

Open you own flash website, or go to https://www.abcdesktop.io/flash sample web site

Click to the Run Adobe Flash plugins

And Allow the Adobe Flash to run

Great, you can run the Adobe Flash plugins.