[__jitsi_meet*] Add new parameters for heavier branding

This uses nginx' server-side includes, so each domain configured by
`__jitsi_meet_domain` can have its own customisation.

Note that the file customisation file must exist for each domain,
`__jitsi_meet_domain` takes care of that already.

Sponsored by:   camilion.eu, eXO.cat

type/__jitsi_meet/manifest

@@ -224,6 +224,13 @@ videobridge {
 }
 EOFJVB
 
+# Enable simple per-domain body customisation
+__file "/usr/share/jitsi-meet/body.html" \
+	--mode 0644 \
+	--source '-' <<EOF
+<!--#include virtual="body-\${host}.html" -->
+EOF
+
 # These two should be changed on new release
 EXPORTER_VERSION="1.2.0"
 EXPORTER_CHECKSUM="sha256:6377ffa7be0c7deb66545616add7245da96f8b7746d6712f41cfa9fe72c935ce"

type/__jitsi_meet_domain/files/interface_config.js.sh

@@ -20,7 +20,7 @@ JITSI_INTERFACE_CONFIG_JS="$(cat <<EOF
  */
 
 var interfaceConfig = {
-    APP_NAME: 'Jitsi Meet',
+    APP_NAME: '${BRANDING_APP_NAME}',
     AUDIO_LEVEL_PRIMARY_COLOR: 'rgba(255,255,255,0.4)',
     AUDIO_LEVEL_SECONDARY_COLOR: 'rgba(255,255,255,0.2)',
 

type/__jitsi_meet_domain/man.rst

@@ -93,6 +93,15 @@ video-constraints
     It must not have a trailing comma, see `constraints` in
     `__jitsi_meet_domain/files/config.js.sh`.
 
+branding-app-name
+    This will change `Jitsi Meet` in many places to the brand you desire.
+    Defaults to `Jitsi Meet`.
+
+branding-extra-body
+    This must be valid HTML, it will be included server-side and delivered to
+    clients alongside the default `index.html`.
+    This is useful if you would rather not replace the whole `index`, but
+    still want the chance to do some heavier branding / add instructions / etc.
 
 branding-json
     Path to a JSON file that will be served as the `dynamicBrandingUrl`.
@@ -100,14 +109,12 @@ branding-json
     `__jitsi_meet_domain/files/config.js.sh`.
     If not set, no branding will be set up.
 
-
 branding-index
     Path to an HTML file that will be served instead of Jitsi-Meet's default
     one.
     If not set, the default index file will be used.
     If set to `-`, the type's standard input will be used.
 
-
 branding-watermark
     Path to a png file that will be served instead of Jitsi-Meet's default
     one.

type/__jitsi_meet_domain/manifest

@@ -19,6 +19,7 @@ START_VIDEO_MUTED="$(cat "${__object}/parameter/start-video-muted")"
 TURN_SERVER="$(cat "${__object}/parameter/turn-server")"
 VIDEO_CONSTRAINTS="$(cat "${__object}/parameter/video-constraints")"
 ANALYTICS_SETTINGS="$(cat "${__object}/parameter/analytics-settings")"
+BRANDING_APP_NAME="$(cat "${__object}/parameter/branding-app-name")"
 BRANDING_INDEX="$(cat "${__object}/parameter/branding-index")"
 BRANDING_JSON="$(cat "${__object}/parameter/branding-json")"
 BRANDING_WATERMARK="$(cat "${__object}/parameter/branding-watermark")"
@@ -131,6 +132,11 @@ __file "/usr/share/jitsi-meet/images/watermark-${DOMAIN}.png" \
 	--mode 0644 \
 	--state "$(_var_state "${BRANDING_WATERMARK}")" \
 	--source "${BRANDING_WATERMARK}"
+# Simple body customisation
+__file "/usr/share/jitsi-meet/body-${DOMAIN}.html" \
+	--mode 0644 \
+	--state "$(_var_state "${STATE}")" \
+	--source "${__object}/parameter/branding-extra-body"
 
 #
 # Take care of prosody settings for the domain

type/__jitsi_meet_domain/parameter/default/branding-app-name

@@ -0,0 +1 @@
+Jitsi Meet

type/__jitsi_meet_domain/parameter/optional

@@ -5,7 +5,9 @@ notice-message
 start-video-muted
 turn-server
 video-constraints
+branding-app-name
 branding-json
 branding-index
+branding-extra-body
 branding-watermark
 state