openvidu-recording Firefox container

openvidu-server/docker/openvidu-recording/firefox/Dockerfile

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+FROM ubuntu:16.04
+MAINTAINER openvidu@gmail.com
+
+# Install Firefox
+RUN apt-get update && apt-get -y upgrade && apt-get install -y wget sudo
+RUN apt-get install -y firefox
+
+# Install media packages
+RUN apt-get install -y software-properties-common
+RUN add-apt-repository ppa:jonathonf/ffmpeg-4
+RUN apt-get update
+RUN apt-get install -y ffmpeg pulseaudio xvfb
+
+# Install jq for managing JSON
+RUN apt-get install -y jq
+
+# Clean
+RUN apt-get autoclean
+
+COPY entrypoint.sh /entrypoint.sh
+COPY configuration/autoconfig.js /usr/lib/firefox/defaults/pref/autoconfig.js
+COPY configuration/customconfig.cfg /usr/lib/firefox/customconfig.cfg
+COPY configuration/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi /usr/lib/firefox-addons/extensions/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi
+COPY configuration/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi /usr/lib/firefox-addons/distribution/extensions/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi
+COPY configuration/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi /usr/share/mozilla/extensions/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi
+RUN ["chmod", "+x", "/entrypoint.sh"]
+RUN ["chmod", "755", "/usr/lib/firefox-addons/extensions/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi"]
+RUN ["chmod", "755", "/usr/lib/firefox-addons/distribution/extensions/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi"]
+RUN ["chmod", "755", "/usr/share/mozilla/extensions/{d320c473-63c2-47ab-87f8-693b1badb5e3}.xpi"]
+
+RUN mkdir /recordings
+RUN chmod 777 /recordings
+
+ENTRYPOINT /entrypoint.sh

openvidu-server/docker/openvidu-recording/firefox/configuration/autoconfig.js

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+pref("general.config.filename", "customconfig.cfg");
+pref("general.config.obscure_value", 0);

openvidu-server/docker/openvidu-recording/firefox/configuration/customconfig.cfg

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+lockPref("browser.shell.checkDefaultBrowser", false);
+lockPref("media.autoplay.default", 0);
+lockPref("media.autoplay.enabled.user-gestures-needed", false);
+lockPref("extensions.autoDisableScopes", 0);
+lockPref("extensions.enabledScopes", 15);
+lockPref("security.ssl.enable_ocsp_stapling", false);
+lockPref("network.stricttransportsecurity.preloadlist", false);
+lockPref("network.http.phishy-userpass-length", 300);

openvidu-server/docker/openvidu-recording/firefox/create_image.sh

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+docker build --rm -t openvidu/openvidu-recording:2.10.0-firefox .

openvidu-server/docker/openvidu-recording/firefox/entrypoint.sh

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+#!/bin/bash
+
+### Variables ###
+
+URL=${URL:-https://www.youtube.com/watch?v=JMuzlEQz3uo}
+ONLY_VIDEO=${ONLY_VIDEO:-false}
+RESOLUTION=${RESOLUTION:-1920x1080}
+FRAMERATE=${FRAMERATE:-25}
+WIDTH="$(cut -d'x' -f1 <<< $RESOLUTION)"
+HEIGHT="$(cut -d'x' -f2 <<< $RESOLUTION)"
+VIDEO_ID=${VIDEO_ID:-video}
+VIDEO_NAME=${VIDEO_NAME:-video}
+VIDEO_FORMAT=${VIDEO_FORMAT:-mp4}
+RECORDING_JSON="${RECORDING_JSON}"
+
+export URL
+export ONLY_VIDEO
+export RESOLUTION
+export FRAMERATE
+export WIDTH
+export HEIGHT
+export VIDEO_ID
+export VIDEO_NAME
+export VIDEO_FORMAT
+export RECORDING_JSON
+
+### Store Recording json data ###
+
+mkdir /recordings/$VIDEO_ID
+chmod 777 /recordings/$VIDEO_ID
+echo $RECORDING_JSON > /recordings/$VIDEO_ID/.recording.$VIDEO_ID
+
+### Get a free display identificator ###
+
+DISPLAY_NUM=99
+DONE="no"
+
+while [ "$DONE" == "no" ]
+do
+  out=$(xdpyinfo -display :$DISPLAY_NUM 2>&1)
+  if [[ "$out" == name* ]] || [[ "$out" == Invalid* ]]
+  then
+     # Command succeeded; or failed with access error;  display exists
+     (( DISPLAY_NUM+=1 ))
+  else
+     # Display doesn't exist
+     DONE="yes"
+  fi
+done
+
+export DISPLAY_NUM
+
+echo "First available display -> :$DISPLAY_NUM"
+echo "----------------------------------------"
+
+pulseaudio -D
+
+### Start Chrome in headless mode with xvfb, using the display num previously obtained ###
+
+touch xvfb.log
+chmod 777 xvfb.log
+xvfb-run --server-num=${DISPLAY_NUM} --server-args="-ac -screen 0 ${RESOLUTION}x24 -noreset" firefox --width $WIDTH --height $HEIGHT $URL &> xvfb.log &
+touch stop
+chmod 777 /recordings
+sleep 5
+
+### Start recording with ffmpeg ###
+
+if [[ "$ONLY_VIDEO" == true ]]
+  then
+     # Do not record audio
+     <./stop ffmpeg -y -f x11grab -draw_mouse 0 -framerate $FRAMERATE -video_size $RESOLUTION -i :$DISPLAY_NUM -c:v libx264 -preset ultrafast -crf 28 -refs 4 -qmin 4 -pix_fmt yuv420p -filter:v fps=$FRAMERATE "/recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT"
+  else
+     # Record audio  ("-f alsa -i pulse [...] -c:a aac")
+     <./stop ffmpeg -y -f alsa -i pulse -f x11grab -draw_mouse 0 -framerate $FRAMERATE -video_size $RESOLUTION -i :$DISPLAY_NUM -c:a aac -c:v libx264 -preset ultrafast -crf 28 -refs 4 -qmin 4 -pix_fmt yuv420p -filter:v fps=$FRAMERATE "/recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT"
+fi
+
+### Generate video report file ###
+ffprobe -v quiet -print_format json -show_format -show_streams /recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT > /recordings/$VIDEO_ID/$VIDEO_ID.info
+
+### Update Recording json data ###
+
+TMP=$(mktemp /recordings/$VIDEO_ID/.$VIDEO_ID.XXXXXXXXXXXXXXXXXXXXXXX.json)
+INFO=$(cat /recordings/$VIDEO_ID/$VIDEO_ID.info | jq '.')
+HAS_AUDIO_AUX=$(echo $INFO | jq '.streams[] | select(.codec_type == "audio")')
+if [ -z "$HAS_AUDIO_AUX" ]; then HAS_AUDIO=false; else HAS_AUDIO=true; fi
+HAS_VIDEO_AUX=$(echo $INFO | jq '.streams[] | select(.codec_type == "video")')
+if [ -z "$HAS_VIDEO_AUX" ]; then HAS_VIDEO=false; else HAS_VIDEO=true; fi
+SIZE=$(echo $INFO | jq '.format.size | tonumber')
+DURATION=$(echo $INFO | jq '.format.duration | tonumber')
+
+if [[ "$HAS_AUDIO" == false && "$HAS_VIDEO" == false ]]
+  then
+    STATUS="failed"
+  else
+    STATUS="stopped"
+fi
+
+jq -c -r ".hasAudio=$HAS_AUDIO | .hasVideo=$HAS_VIDEO | .duration=$DURATION | .size=$SIZE | .status=\"$STATUS\"" "/recordings/$VIDEO_ID/.recording.$VIDEO_ID" > $TMP && mv $TMP /recordings/$VIDEO_ID/.recording.$VIDEO_ID
+
+### Generate video thumbnail ###
+
+MIDDLE_TIME=$(ffmpeg -i /recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT 2>&1 | grep Duration | awk '{print $2}' | tr -d , | awk -F ':' '{print ($3+$2*60+$1*3600)/2}')
+THUMBNAIL_HEIGHT=$((480*$HEIGHT/$WIDTH))
+ffmpeg -ss $MIDDLE_TIME -i /recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT -vframes 1 -s 480x$THUMBNAIL_HEIGHT /recordings/$VIDEO_ID/$VIDEO_ID.jpg
+
+### Change permissions to all generated files ###
+
+sudo chmod -R 777 /recordings/$VIDEO_ID