slidge: Add service for legacy protocol bridging

host/virtual/virtual.env

@@ -13,6 +13,7 @@ PROSODY_HOST=prosody.localhost
 PROSODY_HOST_EXTERNAL=prosody-external.localhost
 PROSODY_BIBOUMI_PASSWORD=password
 PROSODY_SPECTRUM_PASSWORD=password
+PROSODY_SLIDGE_PASSWORD=password
 
 # Configuration for Coturn.
 COTURN_AUTH_SECRET=password
@@ -70,3 +71,6 @@ GOTOSOCIAL_HOST=social.localhost
 GOTOSOCIAL_ACCOUNT_DOMAIN=localhost
 GOTOSOCIAL_DEFAULT_USERNAME=default
 GOTOSOCIAL_SMTP_FROM=noreply@social.localhost
+
+# Configuration for Slidge.
+SLIDGE_SECRET_KEY=password

service/slidge/Containerfile

@@ -0,0 +1,45 @@
+FROM docker.io/debian:bullseye-slim AS builder
+ARG VERSION=1d2ca68a96d79a8354359926bd7091e9553ebbb0
+ARG PLUGINS="skype discord"
+
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
+    ca-certificates git curl python3 python3-pip python3-venv
+
+RUN git clone https://git.sr.ht/~nicoco/slidge /slidge && \
+    cd /slidge && git reset --hard ${VERSION}
+
+ENV PATH=/venv/bin:/root/.local/bin:$PATH
+RUN python3 -m venv /venv && python3 -m pip install wheel
+RUN curl -fL https://install.python-poetry.org | python3 -
+
+RUN cd /slidge && poetry export --extras="$PLUGINS" > requirements.txt && \
+    python3 -m pip install --requirement requirements.txt
+
+RUN cp -R /slidge/slidge /venv/lib/python3.9/site-packages/slidge
+
+FROM docker.io/golang:1.19-bullseye AS builder-whatsapp
+
+ENV GOBIN=/usr/bin
+RUN go install github.com/go-python/gopy@latest && \
+    go install golang.org/x/tools/cmd/goimports@latest
+
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
+    ca-certificates python3 python3-dev python3-pip
+
+RUN python3 -m pip install pybindgen
+
+COPY --from=builder /slidge /
+RUN cd /slidge/plugins/whatsapp && gopy build -vm=python3 -output=generated -no-make=true .
+
+FROM docker.io/debian:bullseye-slim
+
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
+    ca-certificates python3 libpython3.9 python3-gdbm
+
+ENV PYTHONUNBUFFERED=1
+ENV PATH=/venv/bin:$PATH
+
+COPY --from=builder /venv /venv
+COPY --from=builder-whatsapp /slidge/plugins/whatsapp/generated /venv/lib/python3.9/site-packages/slidge/plugins/whatsapp/generated
+
+ENTRYPOINT ["python", "-m", "slidge"]

service/slidge/slidge.env.template

@@ -0,0 +1,10 @@
+# Options for Slidge.
+SLIDGE_SERVER=prosody
+SLIDGE_SECRET=${PROSODY_SLIDGE_PASSWORD}
+SLIDGE_SECRET_KEY=${SLIDGE_SECRET_KEY}
+SLIDGE_HOME_DIR=/var/lib/slidge
+SLIDGE_USER_JID_VALIDATOR=.*@${PROSODY_HOST}
+SLIDGE_UPLOAD_SERVICE=${PROSODY_HOST_EXTERNAL}
+
+# Options for Prosody component configuration.
+PROSODY_COMPONENT_PASSWORD=${PROSODY_SLIDGE_PASSWORD}

service/slidge/spec.bu

@@ -0,0 +1,8 @@
+variant: fcos
+version: 1.3.0
+storage:
+  trees:
+    - path: /etc/coreos-home-server/slidge
+      local: service/slidge/
+    - path: /etc/systemd/system
+      local: service/slidge/systemd/

service/slidge/systemd/slidge@.service

@@ -0,0 +1,23 @@
+[Unit]
+Description=Slidge Gateway for XMPP (%i)
+Wants=container-build@%p.service container-volume@%p-%i.service prosody.service prosody-component-register@%p-%i.service
+After=container-build@%p.service container-volume@%p-%i.service prosody.service prosody-component-register@%p-%i.service
+
+[Service]
+Type=notify
+NotifyAccess=all
+SyslogIdentifier=%N
+Restart=on-failure
+Environment=PODMAN_SYSTEMD_UNIT=%n
+EnvironmentFile=%E/coreos-home-server/prosody/prosody.env
+ExecStart=/bin/podman run --replace --name %p-%i --net internal --sdnotify=conmon \
+                          --env-file %E/coreos-home-server/%p/%p.env \
+                          --volume %p-%i:/var/lib/slidge:z \
+                          localhost/%p:latest \
+                          --jid=%i.${PROSODY_HOST} \
+                          --legacy-module=slidge.plugins.%i
+ExecStop=/bin/podman stop --ignore --time 10 %p-%i
+ExecStopPost=/bin/podman rm --ignore --force %p-%i
+
+[Install]
+WantedBy=multi-user.target