switch from websockets to sse

2024-08-07 23:35:16 +02:00 · 2024-08-07 23:35:16 +02:00 · 534077bad3
commit 534077bad3
parent 67335c97b4
13 changed files with 384 additions and 233 deletions
--- a/.forgejo/workflows/tests.yml
+++ b/.forgejo/workflows/tests.yml
@ -1,43 +0,0 @@
-name: Run tests
-
-on:
-  push:
-  pull_request:
-  workflow_dispatch:
-
-jobs:
-  nix:
-    runs-on: docker
-    container:
-      image: nix
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Nix doctor
-        run: nix doctor
-      - name: Check flake
-        run: nix flake check --all-systems
-      - name: Build flake
-        run: nix build --print-out-paths
-      - name: Flake info
-        run: nix flake info
-  tests:
-    runs-on: docker
-    container:
-      image: debian:stable
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Setup Go
-        uses: actions/setup-go@v4
-        with:
-          #go-version: "stable"
-          go-version-file: "go.mod"
-          check-latest: true
-      - name: Run Linter
-        uses: dominikh/staticcheck-action@v1
-        with:
-          version: "latest"
-          install-go: false
-      - name: Run tests
-        run: make test
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@ -0,0 +1,73 @@
+include:
+  - template: Security/Dependency-Scanning.gitlab-ci.yml
+  - template: Security/SAST.gitlab-ci.yml
+  - template: Security/Secret-Detection.gitlab-ci.yml
+  - template: Security/Container-Scanning.gitlab-ci.yml
+
+variables:
+  # Use TLS https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#tls-enabled
+  DOCKER_HOST: tcp://docker:2376
+  DOCKER_TLS_CERTDIR: "/certs"
+  CONTAINER_TEST_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+  CONTAINER_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:latest
+
+container_scanning:
+  variables:
+    CS_DEFAULT_BRANCH_IMAGE: $CI_REGISTRY_IMAGE/$CI_DEFAULT_BRANCH:$CI_COMMIT_SHA
+
+image: golang:latest
+
+stages:
+  - test
+  - build
+  - release
+
+format:
+  stage: test
+  script:
+    - go fmt $(go list ./...)
+
+vet:
+  stage: test
+  script:
+    - go vet $(go list ./...)
+
+test:
+  stage: test
+  script:
+    - go test -race $(go list ./...)
+
+sast:
+  stage: test
+
+compile:
+  stage: build
+  script:
+    - mkdir -p bin
+    - go build -v -o bin ./...
+  artifacts:
+    paths:
+      - bin
+
+build:
+  stage: build
+  image: docker:stable
+  services:
+    - docker:stable-dind
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build --pull -t $CONTAINER_TEST_IMAGE .
+    - docker push $CONTAINER_TEST_IMAGE
+
+release:
+  stage: release
+  image: docker:stable
+  services:
+    - docker:stable-dind
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker pull $CONTAINER_TEST_IMAGE
+    - docker tag $CONTAINER_TEST_IMAGE $CONTAINER_RELEASE_IMAGE
+    - docker push $CONTAINER_RELEASE_IMAGE
+  only:
+    - main
--- a/3
+++ b/3
@ -6,6 +6,7 @@ PROJECT := sanic

 mpd:  ## Run mpd test instance
 	mkdir -p /tmp/${PROJECT}/{music,playlists}
+	cp *.mp3 /tmp/${PROJECT}/music/
 	touch /tmp/${PROJECT}/mpd_db
 	mpd --no-daemon ./mpd.conf

@ -17,7 +18,7 @@ build:  ## Compile project

 update:  ## Update go dependencies
 	go get -u
-	which gomod2nix && gomod2nix
+	which gomod2nix && gomod2nix  # sync go deps with nix

 tidy:  ## Add missing and remove unused modules
 	go mod tidy
--- a/README.md
+++ b/README.md
@ -28,7 +28,7 @@ Example flake setup (untested):
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    sanic = {
-      url = "git.berlin.ccc.de/cccb/sanic";
+      url = "gitlab.com/XenGi/sanic";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
@ -52,10 +52,18 @@ Example flake setup (untested):

 Install from the AUR:

-```
+```shell
 yay -S sanic
 ```

+### Podman
+
+Run as daemon:
+
+```shell
+podman run -d -v ./config.ini:/config.ini -p 8443:8443 registry.gitlab.com/XenGi/sanic:latest
+```
+
 ## 🛠️ Development

 sanic is developed using [Nix][nix], but you can also just use the usual Golang tooling.
--- a/config.ini
+++ b/config.ini
@ -6,7 +6,7 @@ port = 6600

 [ui]
 hostname = [::1]
-port = 8080
-tls = no
+port = 8443
+tls = yes
 cert = cert.pem
 key = key.pem
--- a/flake.lock
+++ b/flake.lock
@ -28,11 +28,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1717050755,
-        "narHash": "sha256-C9IEHABulv2zEDFA+Bf0E1nmfN4y6MIUe5eM2RCrDC0=",
+        "lastModified": 1722589758,
+        "narHash": "sha256-sbbA8b6Q2vB/t/r1znHawoXLysCyD4L/6n6/RykiSnA=",
        "owner": "tweag",
        "repo": "gomod2nix",
-        "rev": "31b6d2e40b36456e792cd6cf50d5a8ddd2fa59a1",
+        "rev": "4e08ca09253ef996bd4c03afa383b23e35fe28a1",
        "type": "github"
      },
      "original": {
@ -43,11 +43,11 @@
    },
    "nixpkgs": {
      "locked": {
-        "lastModified": 1720955038,
-        "narHash": "sha256-GaliJqfFwyYxReFywxAa8orCO+EnDq2NK2F+5aSc8vo=",
+        "lastModified": 1722957468,
+        "narHash": "sha256-SQ0TCC4aklOhN/OzcztrKqDLY8SjpIZcyvTulzhDXs0=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "aa247c0c90ecf4ae7a032c54fdc21b91ca274062",
+        "rev": "2a13929e1f191b3690dd2f2db13098b04adb9043",
        "type": "github"
      },
      "original": {
--- a/go.mod
+++ b/go.mod
@ -4,9 +4,9 @@ go 1.22

 require (
 	github.com/fhs/gompd/v2 v2.3.0
-	github.com/labstack/echo-contrib v0.17.0
+	github.com/labstack/echo-contrib v0.17.1
 	github.com/labstack/echo/v4 v4.12.0
-	golang.org/x/net v0.24.0
+	golang.org/x/net v0.28.0
 	gopkg.in/ini.v1 v1.67.0
 )

@ -17,15 +17,16 @@ require (
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/prometheus/client_golang v1.19.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/prometheus/client_golang v1.19.1 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.52.3 // indirect
-	github.com/prometheus/procfs v0.13.0 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
-	golang.org/x/crypto v0.22.0 // indirect
-	golang.org/x/sys v0.19.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/time v0.5.0 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/sys v0.23.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
+	golang.org/x/time v0.6.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -12,6 +12,8 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/labstack/echo-contrib v0.17.0 h1:xam8wakZOsiQYM14Z0og1xF3w/heWNeDF5AtC5PlX8E=
 github.com/labstack/echo-contrib v0.17.0/go.mod h1:mjX5VB3OqJcroIEycptBOY9Hr7rK+unq79W8QFKGNV0=
+github.com/labstack/echo-contrib v0.17.1 h1:7I/he7ylVKsDUieaGRZ9XxxTYOjfQwVzHzUYrNykfCU=
+github.com/labstack/echo-contrib v0.17.1/go.mod h1:SnsCZtwHBAZm5uBSAtQtXQHI3wqEA73hvTn0bYMKnZA=
 github.com/labstack/echo/v4 v4.12.0 h1:IKpw49IMryVB2p1a4dzwlhP1O2Tf2E0Ir/450lH+kI0=
 github.com/labstack/echo/v4 v4.12.0/go.mod h1:UP9Cr2DJXbOK3Kr9ONYzNowSh7HP0aG0ShAyycHSJvM=
 github.com/labstack/gommon v0.4.2 h1:F8qTUNXgG1+6WQmqoUWnz8WiEU60mXVVw0P4ht1WRA0=
@ -21,16 +23,24 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
+github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v1.19.0 h1:ygXvpU1AoN1MhdzckN+PyD9QJOSD4x7kmXYlnfbA6JU=
 github.com/prometheus/client_golang v1.19.0/go.mod h1:ZRM9uEAypZakd+q/x7+gmsvXdURP+DABIEIjnmDdp+k=
+github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE=
+github.com/prometheus/client_golang v1.19.1/go.mod h1:mP78NwGzrVks5S2H6ab8+ZZGJLZUq1hoULYBAYBw1Ho=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.52.3 h1:5f8uj6ZwHSscOGNdIQg6OiZv/ybiK2CO2q2drVZAQSA=
 github.com/prometheus/common v0.52.3/go.mod h1:BrxBKv3FWBIGXw89Mg1AeBq7FSyRzXWI3l3e7W3RN5U=
+github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc=
+github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
 github.com/prometheus/procfs v0.13.0 h1:GqzLlQyfsPbaEHaQkO7tbDlriv/4o5Hudv6OXHGKX7o=
 github.com/prometheus/procfs v0.13.0/go.mod h1:cd4PFCR54QLnGKPaKGA6l+cfuNXtht43ZKY6tow0Y1g=
+github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
+github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
@ -39,18 +49,30 @@ github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQ
 github.com/valyala/fasttemplate v1.2.2/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
 golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
 golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
+golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
+golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
 golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
 golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
+golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
+golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
+golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
 golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/time v0.6.0 h1:eTDhh4ZXt5Qf0augr54TN6suAUudPcawVZeIAPU7D4U=
+golang.org/x/time v0.6.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
 google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
--- a/gomod2nix.toml
+++ b/gomod2nix.toml
@ -14,8 +14,8 @@ schema = 3
    version = "v3.2.2+incompatible"
    hash = "sha256-LOkpuXhWrFayvVf1GOaOmZI5YKEsgqVSb22aF8LnCEM="
  [mod."github.com/labstack/echo-contrib"]
-    version = "v0.17.0"
-    hash = "sha256-J5S8vO8Zg9uV9A3zbILswn/oPdwLKRXncsXdEjDOmU8="
+    version = "v0.17.1"
+    hash = "sha256-OkO1gWz1xL8Rw2wy4RMJjsLGhABAqAsjpVkQ3b6G+L4="
  [mod."github.com/labstack/echo/v4"]
    version = "v4.12.0"
    hash = "sha256-TPXJv/6C53bnmcEYxa9g5Mft8u/rLT96q64tQ9+RtKU="
@ -28,18 +28,21 @@ schema = 3
  [mod."github.com/mattn/go-isatty"]
    version = "v0.0.20"
    hash = "sha256-qhw9hWtU5wnyFyuMbKx+7RB8ckQaFQ8D+8GKPkN3HHQ="
+  [mod."github.com/munnerz/goautoneg"]
+    version = "v0.0.0-20191010083416-a7dc8b61c822"
+    hash = "sha256-79URDDFenmGc9JZu+5AXHToMrtTREHb3BC84b/gym9Q="
  [mod."github.com/prometheus/client_golang"]
-    version = "v1.19.0"
-    hash = "sha256-YV8sxMPR+xorTUCriTfcFsaV2b7PZfPJDQmOgUYOZJo="
+    version = "v1.19.1"
+    hash = "sha256-MSLsMDi89uQc7Pa2fhqeamyfPJpenGj3r+eB/UotK7w="
  [mod."github.com/prometheus/client_model"]
    version = "v0.6.1"
    hash = "sha256-rIDyUzNfxRA934PIoySR0EhuBbZVRK/25Jlc/r8WODw="
  [mod."github.com/prometheus/common"]
-    version = "v0.52.3"
-    hash = "sha256-JzNAt7pimXZMnPxv8droAHJq+5OKWi9BYkGtMvqpyd0="
+    version = "v0.55.0"
+    hash = "sha256-qzvCnc+hnAB5dq2MYy8GlPxgyNnyn9kFVlN2CXZe9T0="
  [mod."github.com/prometheus/procfs"]
-    version = "v0.13.0"
-    hash = "sha256-J31K36TkIiQU2EGOcmqDa+dkoKXiVuxafPVT4rKbEsg="
+    version = "v0.15.1"
+    hash = "sha256-H+WXJemFFwdoglmD6p7JRjrJJZmIVAmJwYmLbZ8Q9sw="
  [mod."github.com/valyala/bytebufferpool"]
    version = "v1.0.0"
    hash = "sha256-I9FPZ3kCNRB+o0dpMwBnwZ35Fj9+ThvITn8a3Jr8mAY="
@ -47,23 +50,23 @@ schema = 3
    version = "v1.2.2"
    hash = "sha256-gp+lNXE8zjO+qJDM/YbS6V43HFsYP6PKn4ux1qa5lZ0="
  [mod."golang.org/x/crypto"]
-    version = "v0.22.0"
-    hash = "sha256-2+u9nd32+Bi7EEv7QFc12CRTbfV7DApNv+yKIr7+lTw="
+    version = "v0.26.0"
+    hash = "sha256-Iicrsb65fCmjfPILKoSLyBZMwe2VUcoTF5SpYTCQEuk="
  [mod."golang.org/x/net"]
-    version = "v0.24.0"
-    hash = "sha256-w1c21ljta5wNIyel9CSIn/crPzwOCRofNKhqmfs4aEQ="
+    version = "v0.28.0"
+    hash = "sha256-WdH/mgsX/CB+CiYtXEwJAXHN8FgtW2YhFcWwrrHNBLo="
  [mod."golang.org/x/sys"]
-    version = "v0.19.0"
-    hash = "sha256-cmuL31TYLJmDm/fDnI2Sn0wB88cpdOHV1+urorsJWx4="
+    version = "v0.23.0"
+    hash = "sha256-tC6QVLu72bADgINz26FUGdmYqKgsU45bHPg7sa0ZV7w="
  [mod."golang.org/x/text"]
-    version = "v0.14.0"
-    hash = "sha256-yh3B0tom1RfzQBf1RNmfdNWF1PtiqxV41jW1GVS6JAg="
+    version = "v0.17.0"
+    hash = "sha256-R8JbsP7KX+KFTHH7SjRnUGCdvtagylVOfngWEnVSqBc="
  [mod."golang.org/x/time"]
-    version = "v0.5.0"
-    hash = "sha256-W6RgwgdYTO3byIPOFxrP2IpAZdgaGowAaVfYby7AULU="
+    version = "v0.6.0"
+    hash = "sha256-gW9TVK9HjLk52lzfo5rBzSunc01gS0+SG2nk0X1w55M="
  [mod."google.golang.org/protobuf"]
-    version = "v1.33.0"
-    hash = "sha256-cWwQjtUwSIEkAlAadrlxK1PYZXTRrV4NKzt7xDpJgIU="
+    version = "v1.34.2"
+    hash = "sha256-nMTlrDEE2dbpWz50eQMPBQXCyQh4IdjrTIccaU0F3m0="
  [mod."gopkg.in/ini.v1"]
    version = "v1.67.0"
    hash = "sha256-V10ahGNGT+NLRdKUyRg1dos5RxLBXBk1xutcnquc/+4="
--- a/server.go
+++ b/server.go
@ -1,19 +1,14 @@
 package main

 import (
-	"encoding/json"
 	"fmt"
-	"github.com/fhs/gompd/v2/mpd"
 	"github.com/labstack/echo-contrib/echoprometheus"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
-	"golang.org/x/net/websocket"
 	"gopkg.in/ini.v1"
-	"log"
 	"net/http"
 	"os"
 	"os/exec"
-	"strings"
 )

 // Config holds the configuration for the mpd connection and for the web server.
@ -78,6 +73,21 @@ func main() {
 		return c.File("index.html")
 	})

+	// echo back request to check if HTTP/2 works etc
+	e.GET("/echo", func(c echo.Context) error {
+		req := c.Request()
+		format := `
+<code>
+    Protocol: %s<br>
+    Host: %s<br>
+    Remote Address: %s<br>
+    Method: %s<br>
+    Path: %s<br>
+</code>
+`
+		return c.HTML(http.StatusOK, fmt.Sprintf(format, req.Proto, req.Host, req.RemoteAddr, req.Method, req.URL.Path))
+	})
+
 	g := e.Group("/api")
 	g.GET("/update_db", updateDb)
 	g.GET("/previous_track", previousTrack)
@ -104,7 +114,7 @@ func main() {

 	g.GET("/download", downloadTrack)

-	e.GET("/ws", wsServe)
+	e.GET("/sse", serveSSE)

 	if config.UI.Tls {
 		e.Logger.Fatal(e.StartTLS(fmt.Sprintf("%s:%d", config.UI.Hostname, config.UI.Port), config.UI.Certificate, config.UI.Key))
@ -113,90 +123,8 @@ func main() {
 	}
 }

-// wsServe handles websocket connections.
-func wsServe(c echo.Context) error {
-	websocket.Handler(func(ws *websocket.Conn) {
-		defer ws.Close()
-
-		// Connect to MPD server
-		mpdConn, err := mpd.Dial("tcp", "localhost:6600")
-		if err != nil {
-			//log.Fatalln(err)
-			c.Logger().Error(err)
-			err = websocket.Message.Send(ws, fmt.Sprintf("{\"mpd_error\":\"%s\"}", err.Error()))
-			if err != nil {
-				c.Logger().Error(err)
-			}
-		}
-		defer mpdConn.Close()
-
-		for {
-			// Read
-			msg := ""
-			err := websocket.Message.Receive(ws, &msg)
-			if err != nil {
-				c.Logger().Error(err)
-				break
-			} else {
-				// log.Print(msg)
-				if strings.ToLower(msg) == "#status" {
-					status, err := mpdConn.Status()
-					if err != nil {
-						c.Logger().Error(err)
-					}
-					currentsong, err := mpdConn.CurrentSong()
-					if err != nil {
-						c.Logger().Error(err)
-					}
-					queue, err := mpdConn.PlaylistInfo(-1, -1)
-					if err != nil {
-						c.Logger().Error(err)
-					}
-					jsonStatus, err := json.Marshal(status)
-					if err != nil {
-						c.Logger().Error(err)
-					}
-					jsonCurrentSong, err := json.Marshal(currentsong)
-					if err != nil {
-						c.Logger().Error(err)
-					}
-					jsonQueue, err := json.Marshal(queue)
-					if err != nil {
-						c.Logger().Error(err)
-					}
-					err = websocket.Message.Send(ws, fmt.Sprintf("{\"mpd_status\":%s,\"mpd_current_song\":%s,\"mpd_queue\":%s}", string(jsonStatus), string(jsonCurrentSong), string(jsonQueue)))
-					if err != nil {
-						c.Logger().Error(err)
-					}
-
-				} else if strings.HasPrefix(strings.ToLower(msg), "#download ") {
-					// Download video link as audio file
-					uri := strings.SplitN(msg, " ", 2)[1]
-					// TODO: implement yt-dlp integration
-					err := websocket.Message.Send(ws, fmt.Sprintf("Downloading %s", uri))
-					if err != nil {
-						c.Logger().Error(err)
-					}
-				}
-			}
-		}
-	}).ServeHTTP(c.Response(), c.Request())
-	return nil
-}
-
 // downloadTrack tries to download a given URL and saves the song to the database.
 func downloadTrack(c echo.Context) error {
-	// yt-dlp \
-	// --no-wait-for-video \
-	// --no-playlist \
-	// --windows-filenames \
-	// --newline \
-	// --extract-audio \
-	// --audio-format mp3 \
-	// --audio-quality 0 \
-	// -f bestaudio/best \
-	// ${video_url}
-
 	cmd := exec.Command(
 		"yt-dlp",
 		"--no-wait-for-video",
@ -212,7 +140,7 @@ func downloadTrack(c echo.Context) error {
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 	if err := cmd.Run(); err != nil {
-		log.Fatalln(err)
+		c.Logger().Fatal(err)
 	}

 	return c.String(http.StatusAccepted, "")
--- a/sse.go
+++ b/sse.go
@ -0,0 +1,191 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"github.com/fhs/gompd/v2/mpd"
+	"github.com/labstack/echo/v4"
+	"io"
+	"time"
+)
+
+// Event represents Server-Sent Event.
+// SSE explanation: https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events#event_stream_format
+type Event struct {
+	// ID is used to set the EventSource object's last event ID value.
+	ID []byte
+	// Data field is for the message. When the EventSource receives multiple consecutive lines
+	// that begin with data:, it concatenates them, inserting a newline character between each one.
+	// Trailing newlines are removed.
+	Data []byte
+	// Event is a string identifying the type of event described. If this is specified, an event
+	// will be dispatched on the browser to the listener for the specified event name; the website
+	// source code should use addEventListener() to listen for named events. The onmessage handler
+	// is called if no event name is specified for a message.
+	Event []byte
+	// Retry is the reconnection time. If the connection to the server is lost, the browser will
+	// wait for the specified time before attempting to reconnect. This must be an integer, specifying
+	// the reconnection time in milliseconds. If a non-integer value is specified, the field is ignored.
+	Retry []byte
+	// Comment line can be used to prevent connections from timing out; a server can send a comment
+	// periodically to keep the connection alive.
+	Comment []byte
+}
+
+// MarshalTo marshals Event to given Writer
+func (ev *Event) MarshalTo(w io.Writer) error {
+	// Marshalling part is taken from: https://github.com/r3labs/sse/blob/c6d5381ee3ca63828b321c16baa008fd6c0b4564/http.go#L16
+	if len(ev.Data) == 0 && len(ev.Comment) == 0 {
+		return nil
+	}
+
+	if len(ev.Data) > 0 {
+		if _, err := fmt.Fprintf(w, "id: %s\n", ev.ID); err != nil {
+			return err
+		}
+
+		sd := bytes.Split(ev.Data, []byte("\n"))
+		for i := range sd {
+			if _, err := fmt.Fprintf(w, "data: %s\n", sd[i]); err != nil {
+				return err
+			}
+		}
+
+		if len(ev.Event) > 0 {
+			if _, err := fmt.Fprintf(w, "event: %s\n", ev.Event); err != nil {
+				return err
+			}
+		}
+
+		if len(ev.Retry) > 0 {
+			if _, err := fmt.Fprintf(w, "retry: %s\n", ev.Retry); err != nil {
+				return err
+			}
+		}
+	}
+
+	if len(ev.Comment) > 0 {
+		if _, err := fmt.Fprintf(w, ": %s\n", ev.Comment); err != nil {
+			return err
+		}
+	}
+
+	if _, err := fmt.Fprint(w, "\n"); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// serveSSE handles sending Server-Sent-Events.
+func serveSSE(c echo.Context) error {
+	// TODO: figure out how to retrieve IP from Forwarded header behind proxy: https://echo.labstack.com/docs/ip-address
+	c.Logger().Printf("SSE client connected, ip: %v", c.RealIP())
+
+	w := c.Response()
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+
+	// Connect to MPD server
+	mpdConn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		c.Logger().Error(err)
+		event := Event{
+			Event: []byte("mpd"),
+			Data:  []byte(fmt.Sprintf("connection error: %s", err.Error())),
+		}
+		if err := event.MarshalTo(w); err != nil {
+			return err
+		}
+		w.Flush()
+	}
+	defer mpdConn.Close()
+
+	ticker := time.NewTicker(1 * time.Second)
+	defer ticker.Stop()
+
+	var lastJsonStatus []byte
+	var lastJsonCurrentSong []byte
+	var lastJsonQueue []byte
+	for {
+		select {
+		case <-c.Request().Context().Done():
+			c.Logger().Printf("SSE client disconnected, ip: %v", c.RealIP())
+			return nil
+		case <-ticker.C:
+			c.Logger().Printf("Getting MPD status for %v", c.RealIP())
+
+			status, err := mpdConn.Status()
+			if err != nil {
+				c.Logger().Error(err)
+			}
+			jsonStatus, err := json.Marshal(status)
+			if err != nil {
+				c.Logger().Error(err)
+			}
+			// Only send new event if different from last time
+			if !bytes.Equal(jsonStatus, lastJsonStatus) {
+				statusEvent := Event{
+					Event: []byte("status"),
+					Data:  []byte(string(jsonStatus)),
+				}
+				if err := statusEvent.MarshalTo(w); err != nil {
+					return err
+				}
+				lastJsonStatus = jsonStatus
+			}
+
+			currentsong, err := mpdConn.CurrentSong()
+			if err != nil {
+				c.Logger().Error(err)
+			}
+			jsonCurrentSong, err := json.Marshal(currentsong)
+			if err != nil {
+				c.Logger().Error(err)
+			}
+			// Only send new event if different from last time
+			if !bytes.Equal(jsonCurrentSong, lastJsonCurrentSong) {
+				currentSongEvent := Event{
+					Event: []byte("status"),
+					Data:  []byte(string(jsonCurrentSong)),
+				}
+				if err := currentSongEvent.MarshalTo(w); err != nil {
+					return err
+				}
+				lastJsonCurrentSong = jsonCurrentSong
+			}
+
+			queue, err := mpdConn.PlaylistInfo(-1, -1)
+			if err != nil {
+				c.Logger().Error(err)
+			}
+			jsonQueue, err := json.Marshal(queue)
+			if err != nil {
+				c.Logger().Error(err)
+			}
+			// Only send new event if different from last time
+			if !bytes.Equal(jsonQueue, lastJsonQueue) {
+				queueEvent := Event{
+					Event: []byte("status"),
+					Data:  []byte(string(jsonQueue)),
+				}
+				if err := queueEvent.MarshalTo(w); err != nil {
+					return err
+				}
+				lastJsonQueue = jsonQueue
+			}
+
+			// Ping to prevent timeout
+			pingEvent := Event{
+				Comment: []byte("ping"),
+			}
+			if err := pingEvent.MarshalTo(w); err != nil {
+				return err
+			}
+
+			w.Flush()
+		}
+	}
+}
--- a/static/index.html
+++ b/static/index.html
@ -197,7 +197,6 @@
    <div id="playlist-browser" style="display: none">
      <label for="control-playlist-list"></label>
      <select id="control-playlist-list" size="15">
-        <option value="1">basedrive</option><!-- TODO: Remove this line -->
      </select><!--/#control-playlist-list-->
      <div>
        <button id="control-refresh-playlists">&#x1F504; Refresh</button><!-- 🔄 Counterclockwise Arrows Button -->
@ -223,62 +222,9 @@
    </table>
  </div><!--/#result-->
  <footer>
-    <a href="https://git.berlin.ccc.de/cccb/sanic"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 92 92"><defs><clipPath id="a"><path d="M0 .113h91.887V92H0Zm0 0"/></clipPath></defs><g clip-path="url(#a)"><path style="stroke:none;fill-rule:nonzero;fill:#ffffff;fill-opacity:1" d="M90.156 41.965 50.036 1.848a5.913 5.913 0 0 0-8.368 0l-8.332 8.332 10.566 10.566a7.03 7.03 0 0 1 7.23 1.684 7.043 7.043 0 0 1 1.673 7.277l10.183 10.184a7.026 7.026 0 0 1 7.278 1.672 7.04 7.04 0 0 1 0 9.957 7.045 7.045 0 0 1-9.961 0 7.038 7.038 0 0 1-1.532-7.66l-9.5-9.497V59.36a7.04 7.04 0 0 1 1.86 11.29 7.04 7.04 0 0 1-9.957 0 7.04 7.04 0 0 1 0-9.958 7.034 7.034 0 0 1 2.308-1.539V33.926a7.001 7.001 0 0 1-2.308-1.535 7.049 7.049 0 0 1-1.516-7.7L29.242 14.273 1.734 41.777a5.918 5.918 0 0 0 0 8.371L41.855 90.27a5.92 5.92 0 0 0 8.368 0l39.933-39.934a5.925 5.925 0 0 0 0-8.371"/></g></svg></a> Sanic MPD Web UI 0.1.0 - by XenGi and coon &copy; 2023
+    <a href="https://gitlab.com/XenGi/sanic"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 92 92"><defs><clipPath id="a"><path d="M0 .113h91.887V92H0Zm0 0"/></clipPath></defs><g clip-path="url(#a)"><path style="stroke:none;fill-rule:nonzero;fill:#ffffff;fill-opacity:1" d="M90.156 41.965 50.036 1.848a5.913 5.913 0 0 0-8.368 0l-8.332 8.332 10.566 10.566a7.03 7.03 0 0 1 7.23 1.684 7.043 7.043 0 0 1 1.673 7.277l10.183 10.184a7.026 7.026 0 0 1 7.278 1.672 7.04 7.04 0 0 1 0 9.957 7.045 7.045 0 0 1-9.961 0 7.038 7.038 0 0 1-1.532-7.66l-9.5-9.497V59.36a7.04 7.04 0 0 1 1.86 11.29 7.04 7.04 0 0 1-9.957 0 7.04 7.04 0 0 1 0-9.958 7.034 7.034 0 0 1 2.308-1.539V33.926a7.001 7.001 0 0 1-2.308-1.535 7.049 7.049 0 0 1-1.516-7.7L29.242 14.273 1.734 41.777a5.918 5.918 0 0 0 0 8.371L41.855 90.27a5.92 5.92 0 0 0 8.368 0l39.933-39.934a5.925 5.925 0 0 0 0-8.371"/></g></svg></a> Sanic MPD Web UI 0.1.0 - by XenGi and coon &copy; 2023
  </footer>
 </main>
 <script src="index.js"></script>
-<script>
-const table = document.querySelector("#queue > table > tbody");
-for (let i = 1; i <= 100; i++) {
-  const tr = document.createElement("tr");
-  if (i === 1) {
-    tr.classList.add("playing");
-    tr.dataset.song_id = i;
-  }
-  const pos = document.createElement("td");
-  pos.innerText = i.toString();
-  const artist = document.createElement("td");
-  artist.innerText = `Artist ${i.toString()} with a super long name that should finally bring the length to a maximum`;
-  const track = document.createElement("td");
-  track.innerText = `Track ${i.toString()} with super long name that could potentially expand the table by a lot!`;
-  const album = document.createElement("td");
-  album.innerText = `Album ${i.toString()}`;
-  const length = document.createElement("td");
-  length.innerText = "01:00:00";
-  const actions = document.createElement("td");
-  actions.classList.add("actions");
-  // TODO: maybe use a instead of button?
-  const moveUp = document.createElement("button");
-  moveUp.classList.add("borderless");
-  moveUp.innerHTML = "&#x1F53A;"; // 🔺 Red Triangle Pointed Down
-  moveUp.addEventListener("click", event => {
-    console.log(`DEBUG: move song ${i} up`);
-  });
-  // TODO: maybe use a instead of button?
-  const moveDown = document.createElement("button");
-  moveDown.classList.add("borderless");
-  moveDown.innerHTML = "&#x1F53B;"; // 🔻 Red Triangle Pointed Up
-  moveDown.addEventListener("click", event => {
-    console.log(`DEBUG: move song ${i} down`);
-  });
-  // TODO: maybe use a instead of button?
-  const remove = document.createElement("button");
-  remove.classList.add("borderless");
-  remove.innerHTML = "&#x274C;"; // ❌ Cross mark
-  remove.addEventListener("click", event => {
-    console.log(`DEBUG: remove song ${i} from queue`);
-  });
-  actions.appendChild(moveUp);
-  actions.appendChild(moveDown);
-  actions.appendChild(remove);
-  tr.appendChild(pos);
-  tr.appendChild(artist);
-  tr.appendChild(track);
-  tr.appendChild(album);
-  tr.appendChild(length);
-  tr.appendChild(actions);
-  table.appendChild(tr);
-}
-</script>
 </body>
 </html>
--- a/static/index.js
+++ b/static/index.js
@ -392,8 +392,28 @@ control_volume.addEventListener("change", event => {
  });
 });

+// Server-Sent-Events
+
+if (typeof (EventSource) !== "undefined") {
+  const sse = new EventSource("/sse");
+  sse.addEventListener("status", (event) => {
+    const status = JSON.parse(event.data);
+    console.log("test: " + event.data);
+
+    connection_state.innerHTML = "&#x274C; Disconnected";  // ✅ Check Mark Button
+  });
+
+  sse.onmessage = function (event) {
+    console.log("sse message: " + event.data);
+  };
+} else {
+  console.log("Sorry, your browser does not support server-sent events...");
+}
+
 // Websocket logic

+/*
+
 // Create WebSocket connection.
 const socket = new WebSocket(`${document.location.protocol === "https:" ? "wss" : "ws"}://${document.location.host}/ws`);

@ -409,9 +429,9 @@ socket.addEventListener("message", event => {

  const msg = JSON.parse(event.data);

-  if ("mpd_status" in msg) {
+  if ("status" in msg) {
    if (msg.mpd_status == null) {
-      connection_state.innerHTML = "&#x274C; Disconnected";  // ✅ Check Mark Button
+
    } else {
      // print error if present
      if ("error" in msg.mpd_status) {
@ -480,7 +500,7 @@ socket.addEventListener("message", event => {
  }

  // update song info
-  if ("mpd_current_song" in msg && msg.mpd_current_song != null) {
+  if ("current_song" in msg && msg.mpd_current_song != null) {
    let track;
    if ("Artist" in msg.mpd_current_song && "Title" in msg.mpd_current_song) {
      track = `${msg.mpd_current_song.Artist} - ${msg.mpd_current_song.Title}`
@ -493,7 +513,7 @@ socket.addEventListener("message", event => {
  }

  // update queue
-  if ("mpd_queue" in msg && msg.mpd_queue != null) {
+  if ("queue" in msg && msg.mpd_queue != null) {
    const tbody = document.createElement("tbody");
    msg.mpd_queue.forEach(song => {
      const tr = document.createElement("tr");
@ -557,7 +577,7 @@ socket.addEventListener("message", event => {
    }
  }

-  if ("mpd_error" in msg) {
+  if ("error" in msg) {
    console.error(`MPD Error: ${msg.mpd_error}`)
  }
 });
@ -572,3 +592,4 @@ window.setInterval(() => {
  }
 }, 1000);

+*/