Add Matrix support

Dockerfile

@@ -1,12 +1,14 @@
 FROM alpine:3.14
 
 
-RUN apk add --no-cache bash tzdata curl imagemagick nodejs npm && \
+RUN apk add --no-cache bash tzdata curl imagemagick \
+    nodejs npm \
+    jq file coreutils && \
     ln -snf /usr/share/zoneinfo/Europe/Warsaw /etc/localtime && echo Europe/Warsaw > /etc/timezone
 
 COPY src /app
 WORKDIR /app/msg_facebook/
-RUN npm install
+RUN npm install && apk del npm 
 
 USER 1000:1000
 VOLUME ["/data"]

README.md

@@ -1,15 +1,20 @@
 # pb-rozklad
 
-## Run:
-Dockerfile defaults to running the script in a cron-like manner, see docker-compose.yml for an example deployment.
+## Setup
+Dockerfile defaults to running the script in a cron-like manner, see `docker-compose.yml` for an example deployment. Make sure to set `xx_ENABLED=false` in config.txt if you don't intend to use a particular messaging platform.
 
-## appstate.json for FB Messenger:
+## appstate.json for FB Messenger
 https://github.com/shellmage/AAAAAAAAAAAAA/blob/main/getAppstate.js
 
-Run it in without headless mode, then click the login button manually.
+This script is partially broken. Outside container run `npm install puppeteer`, run script above without headless mode, click the login button manually, then move generated appstate.json to `/data` inside container.
 
-## Testy:
-- 404 (brak rozkładu)
-- pierwszy rozkład
-- powtórka rozkładu
-- zmieniony rozkład
+## Matrix support
+Put https://github.com/fabianonline/matrix.sh/ in `/data`. Run it once inside container using `HOME=/data/matrix.sh /data/matrix.sh/matrix.sh --login` to obtain access token.
+
+E2EE rooms aren't supported for the time being.
+
+## Tests
+- no schedule (HTTP 404)
+- first schedule
+- schedule without changes
+- schedule with changes

config-sample.txt

@@ -11,4 +11,9 @@ DC_MESSAGE="nowy rozkład:"
 
 FB_ENABLED=true
 FB_THREAD_ID="123456789"
-FB_MESSAGE="nowy rozkład:"
+FB_MESSAGE="nowy rozkład:"
+
+
+MX_ENABLED=true
+MX_ROOM_ID="!xxxxxx:example.com"
+MX_MESSAGE="nowy rozkład:"

src/main.sh

@@ -58,6 +58,11 @@ if [ $FB_ENABLED = true ]; then
     node /app/msg_facebook/msg_facebook.js
 fi
 
+if [ $MX_ENABLED = true ]; then
+    export MX_ROOM_ID MX_MESSAGE pdf_nice diff_exitcode
+    bash /app/msg_matrix.sh
+fi
+
 # TODO: check if that still works
 if [ $ARCHIVE_WAYBACK = true ]; then
     curl -o /dev/null "https://web.archive.org/save/$PDF_URL" -w %{url_effective} -Ls

src/msg_matrix.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# workaround for matrix.sh storing config file in ~/.matrix.sh
+HOME=/data/matrix.sh
+
+/data/matrix.sh/matrix.sh --room=$MX_ROOM_ID --send "$MX_MESSAGE"
+/data/matrix.sh/matrix.sh --room=$MX_ROOM_ID --file=/data/workdir/current.png --image
+if [ $diff_exitcode -eq 1 ]; then /data/matrix.sh/matrix.sh --room=$MX_ROOM_ID --file=/data/workdir/comparison.png --image; fi
+/data/matrix.sh/matrix.sh --room=$MX_ROOM_ID --file=/data/workdir/$pdf_nice