chore(plugins): move Discord Rich Presence plugin to its own repository: https://github.com/navidrome/discord-rich-presence-plugin

This commit is contained in:
Deluan 2026-02-03 11:41:49 -05:00
parent 2068e7d413
commit c3a4585c83
11 changed files with 3 additions and 1472 deletions

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@ -1036,9 +1036,8 @@ See [examples/](examples/) for complete working plugins:
| [coverartarchive-py](examples/coverartarchive-py/) | Python | MetadataAgent | HTTP | Cover Art Archive |
| [webhook-rs](examples/webhook-rs/) | Rust | Scrobbler | HTTP | HTTP webhooks |
| [nowplaying-py](examples/nowplaying-py/) | Python | Lifecycle | Scheduler, SubsonicAPI | Periodic now-playing logger |
| [library-inspector](examples/library-inspector-rs/) | Rust | Lifecycle | Library, Scheduler | Periodic library stats logging |
| [library-inspector](examples/library-inspector-rs/) | Rust | Lifecycle | Library, Scheduler | Periodic library stats logging |
| [crypto-ticker](examples/crypto-ticker/) | Go | Lifecycle | WebSocket, Scheduler | Real-time crypto prices demo |
| [discord-rich-presence](examples/discord-rich-presence/) | Go | Scrobbler | HTTP, WebSocket, Cache, Scheduler, Artwork | Discord integration |
| [discord-rich-presence-rs](examples/discord-rich-presence-rs/) | Rust | Scrobbler | HTTP, WebSocket, Cache, Scheduler, Artwork | Discord integration (Rust) |
---

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@ -9,7 +9,6 @@ This folder contains example plugins demonstrating various capabilities and lang
| [minimal](minimal/) | Go | MetadataAgent | Basic plugin structure |
| [wikimedia](wikimedia/) | Go | MetadataAgent | Wikidata/Wikipedia metadata |
| [crypto-ticker](crypto-ticker/) | Go | Scheduler, WebSocket, Cache | Real-time crypto prices (demo) |
| [discord-rich-presence](discord-rich-presence/) | Go | Scrobbler, Scheduler, WebSocket, Cache, Artwork | Discord integration |
| [coverartarchive-py](coverartarchive-py/) | Python | MetadataAgent | Cover Art Archive |
| [nowplaying-py](nowplaying-py/) | Python | Scheduler, SubsonicAPI | Now playing logger |
| [webhook-rs](webhook-rs/) | Rust | Scrobbler | HTTP webhook on scrobble |
@ -37,7 +36,7 @@ This creates `.ndp` package files for each plugin.
```bash
make minimal.ndp
make wikimedia.ndp
make discord-rich-presence.ndp
make discord-rich-presence-rs.ndp
```
### Clean

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@ -29,7 +29,7 @@ This plugin implements multiple capabilities to demonstrate the nd-pdk library:
## Configuration
Configure in the Navidrome UI (Settings → Plugins → discord-rich-presence):
Configure in the Navidrome UI (Settings → Plugins → discord-rich-presence-rs):
| Key | Description | Example |
|---------------|--------------------------------------|---------------------------|

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@ -1,135 +0,0 @@
# Discord Rich Presence Plugin
This example plugin integrates Navidrome with Discord Rich Presence. It shows how a plugin can keep a real-time connection to an external service while remaining completely stateless. This plugin is based on the [Navicord](https://github.com/logixism/navicord) project, which provides similar functionality.
**⚠️ WARNING: This plugin is for demonstration purposes only. It relies on the user's Discord token being stored in the Navidrome configuration file, which is not secure and may be against Discord's terms of service. Use it at your own risk.**
## Overview
The plugin exposes three capabilities:
- **Scrobbler** receives `NowPlaying` notifications from Navidrome
- **WebSocketCallback** handles Discord gateway messages
- **SchedulerCallback** used to clear presence and send periodic heartbeats
It relies on several host services declared in the manifest:
- `http` queries Discord API endpoints
- `websocket` maintains gateway connections
- `scheduler` schedules heartbeats and presence cleanup
- `cache` stores sequence numbers for heartbeats
- `artwork` resolves track artwork URLs
## Architecture
The plugin registers capabilities using the PDK Register pattern:
```go
import (
"github.com/navidrome/navidrome/plugins/pdk/go/scrobbler"
"github.com/navidrome/navidrome/plugins/pdk/go/scheduler"
"github.com/navidrome/navidrome/plugins/pdk/go/websocket"
)
type discordPlugin struct{}
func init() {
scrobbler.Register(&discordPlugin{})
scheduler.Register(&discordPlugin{})
websocket.Register(&discordPlugin{})
}
```
The PDK generates the appropriate export wrappers automatically.
When `NowPlaying` is invoked the plugin:
1. Loads `clientid` and user tokens from the configuration (because plugins are stateless).
2. Connects to Discord using `WebSocketService` if no connection exists.
3. Sends the activity payload with track details and artwork.
4. Schedules a one-time callback to clear the presence after the track finishes.
Heartbeat messages are sent by a recurring scheduler job. Sequence numbers received from Discord are stored in `CacheService` to remain available across plugin instances.
The scheduler callback uses the `payload` field to route to the appropriate handler:
- `"heartbeat"` sends a heartbeat to Discord (recurring)
- `"clear-activity"` clears the presence and disconnects (one-time)
## Stateless Operation
Navidrome plugins are completely stateless each method call instantiates a new plugin instance and discards it afterwards.
To work within this model the plugin stores no in-memory state. Connections are keyed by username inside the host services and any transient data (like Discord sequence numbers) is kept in the cache. Configuration is reloaded on every method call.
## Configuration
Configure in the Navidrome UI (Settings → Plugins → discord-rich-presence):
| Key | Description | Example |
|---------------|-------------------------------------------|--------------------------------|
| `clientid` | Your Discord application ID | `123456789012345678` |
| `user.<name>` | Discord token for the specified user | `user.alice` = `token123` |
Each user is configured as a separate key with the `user.` prefix.
## Building
From the `plugins/examples/` directory:
```sh
make discord-rich-presence.ndp
```
Or manually:
```sh
cd discord-rich-presence
tinygo build -target wasip1 -buildmode=c-shared -o plugin.wasm .
zip -j discord-rich-presence.ndp manifest.json plugin.wasm
```
## Installation
Place the resulting `discord-rich-presence.ndp` in your Navidrome plugins folder and enable plugins in your configuration:
```toml
[Plugins]
Enabled = true
Folder = "/path/to/plugins"
```
## Files
| File | Description |
|-----------|------------------------------------------------------------------|
| `main.go` | Plugin entry point, capability registration, and implementations |
| `rpc.go` | Discord gateway communication and RPC logic |
| `go.mod` | Go module file |
## PDK
This plugin imports the Navidrome PDK subpackages directly:
```go
import (
"github.com/navidrome/navidrome/plugins/pdk/go/host"
"github.com/navidrome/navidrome/plugins/pdk/go/scheduler"
"github.com/navidrome/navidrome/plugins/pdk/go/scrobbler"
"github.com/navidrome/navidrome/plugins/pdk/go/websocket"
)
```
The `go.mod` file uses `replace` directives to point to the local packages for development.
## Host Services Used
| Service | Purpose |
|-----------|------------------------------------------------------------------|
| Cache | Store Discord sequence numbers and processed image URLs |
| Scheduler | Schedule heartbeats (recurring) and activity clearing (one-time) |
| WebSocket | Maintain persistent connection to Discord gateway |
| Artwork | Get track artwork URLs for rich presence display |
## Implementation Details
See `main.go` and `rpc.go` for the complete implementation.

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@ -1,32 +0,0 @@
module discord-rich-presence
go 1.25
require (
github.com/navidrome/navidrome/plugins/pdk/go v0.0.0
github.com/onsi/ginkgo/v2 v2.27.3
github.com/onsi/gomega v1.38.3
github.com/stretchr/testify v1.11.1
)
require (
github.com/Masterminds/semver/v3 v3.4.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/extism/go-pdk v1.1.3 // indirect
github.com/go-logr/logr v1.4.3 // indirect
github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
github.com/google/go-cmp v0.7.0 // indirect
github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/stretchr/objx v0.5.2 // indirect
go.yaml.in/yaml/v3 v3.0.4 // indirect
golang.org/x/mod v0.27.0 // indirect
golang.org/x/net v0.43.0 // indirect
golang.org/x/sync v0.16.0 // indirect
golang.org/x/sys v0.35.0 // indirect
golang.org/x/text v0.28.0 // indirect
golang.org/x/tools v0.36.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
replace github.com/navidrome/navidrome/plugins/pdk/go => ../../pdk/go

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@ -1,73 +0,0 @@
github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/extism/go-pdk v1.1.3 h1:hfViMPWrqjN6u67cIYRALZTZLk/enSPpNKa+rZ9X2SQ=
github.com/extism/go-pdk v1.1.3/go.mod h1:Gz+LIU/YCKnKXhgge8yo5Yu1F/lbv7KtKFkiCSzW/P4=
github.com/gkampitakis/ciinfo v0.3.2 h1:JcuOPk8ZU7nZQjdUhctuhQofk7BGHuIy0c9Ez8BNhXs=
github.com/gkampitakis/ciinfo v0.3.2/go.mod h1:1NIwaOcFChN4fa/B0hEBdAb6npDlFL8Bwx4dfRLRqAo=
github.com/gkampitakis/go-diff v1.3.2 h1:Qyn0J9XJSDTgnsgHRdz9Zp24RaJeKMUHg2+PDZZdC4M=
github.com/gkampitakis/go-diff v1.3.2/go.mod h1:LLgOrpqleQe26cte8s36HTWcTmMEur6OPYerdAAS9tk=
github.com/gkampitakis/go-snaps v0.5.15 h1:amyJrvM1D33cPHwVrjo9jQxX8g/7E2wYdZ+01KS3zGE=
github.com/gkampitakis/go-snaps v0.5.15/go.mod h1:HNpx/9GoKisdhw9AFOBT1N7DBs9DiHo/hGheFGBZ+mc=
github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8=
github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 h1:BHT72Gu3keYf3ZEu2J0b1vyeLSOYI8bm5wbJM/8yDe8=
github.com/google/pprof v0.0.0-20250403155104-27863c87afa6/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
github.com/joshdk/go-junit v1.0.0 h1:S86cUKIdwBHWwA6xCmFlf3RTLfVXYQfvanM5Uh+K6GE=
github.com/joshdk/go-junit v1.0.0/go.mod h1:TiiV0PqkaNfFXjEiyjWM3XXrhVyCa1K4Zfga6W52ung=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/maruel/natural v1.1.1 h1:Hja7XhhmvEFhcByqDoHz9QZbkWey+COd9xWfCfn1ioo=
github.com/maruel/natural v1.1.1/go.mod h1:v+Rfd79xlw1AgVBjbO0BEQmptqb5HvL/k9GRHB7ZKEg=
github.com/mfridman/tparse v0.18.0 h1:wh6dzOKaIwkUGyKgOntDW4liXSo37qg5AXbIhkMV3vE=
github.com/mfridman/tparse v0.18.0/go.mod h1:gEvqZTuCgEhPbYk/2lS3Kcxg1GmTxxU7kTC8DvP0i/A=
github.com/onsi/ginkgo/v2 v2.27.3 h1:ICsZJ8JoYafeXFFlFAG75a7CxMsJHwgKwtO+82SE9L8=
github.com/onsi/ginkgo/v2 v2.27.3/go.mod h1:ArE1D/XhNXBXCBkKOLkbsb2c81dQHCRcF5zwn/ykDRo=
github.com/onsi/gomega v1.38.3 h1:eTX+W6dobAYfFeGC2PV6RwXRu/MyT+cQguijutvkpSM=
github.com/onsi/gomega v1.38.3/go.mod h1:ZCU1pkQcXDO5Sl9/VVEGlDyp+zm0m1cmeG5TOzLgdh4=
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/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY=
github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
github.com/tidwall/sjson v1.2.5 h1:kLy8mja+1c9jlljvWTlSazM7cKDRfJuR/bOJhcY5NcY=
github.com/tidwall/sjson v1.2.5/go.mod h1:Fvgq9kS/6ociJEDnK0Fk1cpYF4FIW6ZF7LAe+6jwd28=
go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
golang.org/x/mod v0.27.0 h1:kb+q2PyFnEADO2IEF935ehFUXlWiNjJWtRNgBLSfbxQ=
golang.org/x/mod v0.27.0/go.mod h1:rWI627Fq0DEoudcK+MBkNkCe0EetEaDSwJJkCcjpazc=
golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
golang.org/x/tools v0.36.0 h1:kWS0uv/zsvHEle1LbV5LE8QujrxB3wfQyxHfhOk0Qkg=
golang.org/x/tools v0.36.0/go.mod h1:WBDiHKJK8YgLHlcQPYQzNCkUxUypCaa5ZegCVutKm+s=
google.golang.org/protobuf v1.36.7 h1:IgrO7UwFQGJdRNXH/sQux4R1Dj1WAKcLElzeeRaXV2A=
google.golang.org/protobuf v1.36.7/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

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@ -1,219 +0,0 @@
// Discord Rich Presence Plugin for Navidrome
//
// This plugin integrates Navidrome with Discord Rich Presence. It shows how a plugin can
// keep a real-time connection to an external service while remaining completely stateless.
//
// Capabilities: Scrobbler, SchedulerCallback, WebSocketCallback
//
// NOTE: This plugin is for demonstration purposes only. It relies on the user's Discord
// token being stored in the Navidrome configuration file, which is not secure and may be
// against Discord's terms of service. Use it at your own risk.
package main
import (
"encoding/json"
"fmt"
"strings"
"time"
"github.com/navidrome/navidrome/plugins/pdk/go/host"
"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
"github.com/navidrome/navidrome/plugins/pdk/go/scheduler"
"github.com/navidrome/navidrome/plugins/pdk/go/scrobbler"
"github.com/navidrome/navidrome/plugins/pdk/go/websocket"
)
// Configuration keys
const (
clientIDKey = "clientid"
usersKey = "users"
)
// userToken represents a user-token mapping from the config
type userToken struct {
Username string `json:"username"`
Token string `json:"token"`
}
// discordPlugin implements the scrobbler and scheduler interfaces.
type discordPlugin struct{}
// rpc handles Discord gateway communication (via websockets).
var rpc = &discordRPC{}
// init registers the plugin capabilities
func init() {
scrobbler.Register(&discordPlugin{})
scheduler.Register(&discordPlugin{})
websocket.Register(rpc)
}
// getConfig loads the plugin configuration.
func getConfig() (clientID string, users map[string]string, err error) {
clientID, ok := pdk.GetConfig(clientIDKey)
if !ok || clientID == "" {
pdk.Log(pdk.LogWarn, "missing ClientID in configuration")
return "", nil, nil
}
// Get the users array from config
usersJSON, ok := pdk.GetConfig(usersKey)
if !ok || usersJSON == "" {
pdk.Log(pdk.LogWarn, "no users configured")
return clientID, nil, nil
}
// Parse the JSON array
var userTokens []userToken
if err := json.Unmarshal([]byte(usersJSON), &userTokens); err != nil {
pdk.Log(pdk.LogError, fmt.Sprintf("failed to parse users config: %v", err))
return clientID, nil, nil
}
if len(userTokens) == 0 {
pdk.Log(pdk.LogWarn, "no users configured")
return clientID, nil, nil
}
// Build the users map
users = make(map[string]string)
for _, ut := range userTokens {
if ut.Username != "" && ut.Token != "" {
users[ut.Username] = ut.Token
}
}
if len(users) == 0 {
pdk.Log(pdk.LogWarn, "no valid users configured")
return clientID, nil, nil
}
return clientID, users, nil
}
// getImageURL retrieves the track artwork URL.
func getImageURL(trackID string) string {
artworkURL, err := host.ArtworkGetTrackUrl(trackID, 300)
if err != nil {
pdk.Log(pdk.LogWarn, fmt.Sprintf("Failed to get artwork URL: %v", err))
return ""
}
// Don't use localhost URLs
if strings.HasPrefix(artworkURL, "http://localhost") {
return ""
}
return artworkURL
}
// ============================================================================
// Scrobbler Implementation
// ============================================================================
// IsAuthorized checks if a user is authorized for Discord Rich Presence.
func (p *discordPlugin) IsAuthorized(input scrobbler.IsAuthorizedRequest) (bool, error) {
_, users, err := getConfig()
if err != nil {
return false, fmt.Errorf("failed to check user authorization: %w", err)
}
_, authorized := users[input.Username]
pdk.Log(pdk.LogInfo, fmt.Sprintf("IsAuthorized for user %s: %v", input.Username, authorized))
return authorized, nil
}
// NowPlaying sends a now playing notification to Discord.
func (p *discordPlugin) NowPlaying(input scrobbler.NowPlayingRequest) error {
pdk.Log(pdk.LogInfo, fmt.Sprintf("Setting presence for user %s, track: %s", input.Username, input.Track.Title))
// Load configuration
clientID, users, err := getConfig()
if err != nil {
return fmt.Errorf("%w: failed to get config: %v", scrobbler.ScrobblerErrorRetryLater, err)
}
// Check authorization
userToken, authorized := users[input.Username]
if !authorized {
return fmt.Errorf("%w: user '%s' not authorized", scrobbler.ScrobblerErrorNotAuthorized, input.Username)
}
// Connect to Discord
if err := rpc.connect(input.Username, userToken); err != nil {
return fmt.Errorf("%w: failed to connect to Discord: %v", scrobbler.ScrobblerErrorRetryLater, err)
}
// Cancel any existing completion schedule
_ = host.SchedulerCancelSchedule(fmt.Sprintf("%s-clear", input.Username))
// Calculate timestamps
now := time.Now().Unix()
startTime := (now - int64(input.Position)) * 1000
endTime := startTime + int64(input.Track.Duration)*1000
// Send activity update
if err := rpc.sendActivity(clientID, input.Username, userToken, activity{
Application: clientID,
Name: "Navidrome",
Type: 2, // Listening
Details: input.Track.Title,
State: input.Track.Artist,
Timestamps: activityTimestamps{
Start: startTime,
End: endTime,
},
Assets: activityAssets{
LargeImage: getImageURL(input.Track.ID),
LargeText: input.Track.Album,
},
}); err != nil {
return fmt.Errorf("%w: failed to send activity: %v", scrobbler.ScrobblerErrorRetryLater, err)
}
// Schedule a timer to clear the activity after the track completes
remainingSeconds := int32(input.Track.Duration) - input.Position + 5
_, err = host.SchedulerScheduleOneTime(remainingSeconds, payloadClearActivity, fmt.Sprintf("%s-clear", input.Username))
if err != nil {
pdk.Log(pdk.LogWarn, fmt.Sprintf("Failed to schedule completion timer: %v", err))
}
return nil
}
// Scrobble handles scrobble requests (no-op for Discord).
func (p *discordPlugin) Scrobble(_ scrobbler.ScrobbleRequest) error {
// Discord Rich Presence doesn't need scrobble events
return nil
}
// ============================================================================
// Scheduler Callback Implementation
// ============================================================================
// OnCallback handles scheduler callbacks.
func (p *discordPlugin) OnCallback(input scheduler.SchedulerCallbackRequest) error {
pdk.Log(pdk.LogDebug, fmt.Sprintf("Scheduler callback: id=%s, payload=%s, recurring=%v", input.ScheduleID, input.Payload, input.IsRecurring))
// Route based on payload
switch input.Payload {
case payloadHeartbeat:
// Heartbeat callback - scheduleId is the username
if err := rpc.handleHeartbeatCallback(input.ScheduleID); err != nil {
return err
}
case payloadClearActivity:
// Clear activity callback - scheduleId is "username-clear"
username := strings.TrimSuffix(input.ScheduleID, "-clear")
if err := rpc.handleClearActivityCallback(username); err != nil {
return err
}
default:
pdk.Log(pdk.LogWarn, fmt.Sprintf("Unknown scheduler callback payload: %s", input.Payload))
}
return nil
}
func main() {}

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@ -1,227 +0,0 @@
package main
import (
"errors"
"strings"
"testing"
"github.com/navidrome/navidrome/plugins/pdk/go/host"
"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
"github.com/navidrome/navidrome/plugins/pdk/go/scheduler"
"github.com/navidrome/navidrome/plugins/pdk/go/scrobbler"
"github.com/stretchr/testify/mock"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
func TestDiscordPlugin(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Discord Plugin Main Suite")
}
var _ = Describe("discordPlugin", func() {
var plugin discordPlugin
BeforeEach(func() {
plugin = discordPlugin{}
pdk.ResetMock()
host.CacheMock.ExpectedCalls = nil
host.CacheMock.Calls = nil
host.ConfigMock.ExpectedCalls = nil
host.ConfigMock.Calls = nil
host.WebSocketMock.ExpectedCalls = nil
host.WebSocketMock.Calls = nil
host.SchedulerMock.ExpectedCalls = nil
host.SchedulerMock.Calls = nil
host.ArtworkMock.ExpectedCalls = nil
host.ArtworkMock.Calls = nil
})
Describe("getConfig", func() {
It("returns config values when properly set", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
host.ConfigMock.On("Keys", userKeyPrefix).Return([]string{"user.user1", "user.user2"})
host.ConfigMock.On("Get", "user.user1").Return("token1", true)
host.ConfigMock.On("Get", "user.user2").Return("token2", true)
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
clientID, users, err := getConfig()
Expect(err).ToNot(HaveOccurred())
Expect(clientID).To(Equal("test-client-id"))
Expect(users).To(HaveLen(2))
Expect(users["user1"]).To(Equal("token1"))
Expect(users["user2"]).To(Equal("token2"))
})
It("returns empty client ID when not set", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("", false)
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
clientID, users, err := getConfig()
Expect(err).ToNot(HaveOccurred())
Expect(clientID).To(BeEmpty())
Expect(users).To(BeNil())
})
It("returns nil users when users not configured", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
host.ConfigMock.On("Keys", userKeyPrefix).Return([]string{})
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
clientID, users, err := getConfig()
Expect(err).ToNot(HaveOccurred())
Expect(clientID).To(Equal("test-client-id"))
Expect(users).To(BeNil())
})
})
Describe("IsAuthorized", func() {
BeforeEach(func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
})
It("returns true for authorized user", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
host.ConfigMock.On("Keys", userKeyPrefix).Return([]string{"user.testuser"})
host.ConfigMock.On("Get", "user.testuser").Return("token123", true)
authorized, err := plugin.IsAuthorized(scrobbler.IsAuthorizedRequest{
Username: "testuser",
})
Expect(err).ToNot(HaveOccurred())
Expect(authorized).To(BeTrue())
})
It("returns false for unauthorized user", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
host.ConfigMock.On("Keys", userKeyPrefix).Return([]string{"user.otheruser"})
host.ConfigMock.On("Get", "user.otheruser").Return("token123", true)
authorized, err := plugin.IsAuthorized(scrobbler.IsAuthorizedRequest{
Username: "testuser",
})
Expect(err).ToNot(HaveOccurred())
Expect(authorized).To(BeFalse())
})
})
Describe("NowPlaying", func() {
BeforeEach(func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
})
It("returns not authorized error when user not in config", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
host.ConfigMock.On("Keys", userKeyPrefix).Return([]string{"user.otheruser"})
host.ConfigMock.On("Get", "user.otheruser").Return("token", true)
err := plugin.NowPlaying(scrobbler.NowPlayingRequest{
Username: "testuser",
Track: scrobbler.TrackInfo{Title: "Test Song"},
})
Expect(err).To(HaveOccurred())
Expect(errors.Is(err, scrobbler.ScrobblerErrorNotAuthorized)).To(BeTrue())
})
It("successfully sends now playing update", func() {
pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
host.ConfigMock.On("Keys", userKeyPrefix).Return([]string{"user.testuser"})
host.ConfigMock.On("Get", "user.testuser").Return("test-token", true)
// Connect mocks (isConnected check via heartbeat)
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(0), false, errors.New("not found"))
// Mock HTTP GET request for gateway discovery
gatewayResp := []byte(`{"url":"wss://gateway.discord.gg"}`)
gatewayReq := &pdk.HTTPRequest{}
pdk.PDKMock.On("NewHTTPRequest", pdk.MethodGet, "https://discord.com/api/gateway").Return(gatewayReq).Once()
pdk.PDKMock.On("Send", gatewayReq).Return(pdk.NewStubHTTPResponse(200, nil, gatewayResp)).Once()
// Mock WebSocket connection
host.WebSocketMock.On("Connect", mock.MatchedBy(func(url string) bool {
return strings.Contains(url, "gateway.discord.gg")
}), mock.Anything, "testuser").Return("testuser", nil)
host.WebSocketMock.On("SendText", "testuser", mock.Anything).Return(nil)
host.SchedulerMock.On("ScheduleRecurring", mock.Anything, payloadHeartbeat, "testuser").Return("testuser", nil)
// Cancel existing clear schedule (may or may not exist)
host.SchedulerMock.On("CancelSchedule", "testuser-clear").Return(nil)
// Image mocks - cache miss, will make HTTP request to Discord
host.CacheMock.On("GetString", mock.MatchedBy(func(key string) bool {
return strings.HasPrefix(key, "discord.image.")
})).Return("", false, nil)
host.CacheMock.On("SetString", mock.Anything, mock.Anything, mock.Anything).Return(nil)
host.ArtworkMock.On("GetTrackUrl", "track1", int32(300)).Return("https://example.com/art.jpg", nil)
// Mock HTTP request for Discord external assets API
assetsReq := &pdk.HTTPRequest{}
pdk.PDKMock.On("NewHTTPRequest", pdk.MethodPost, mock.MatchedBy(func(url string) bool {
return strings.Contains(url, "external-assets")
})).Return(assetsReq)
pdk.PDKMock.On("Send", assetsReq).Return(pdk.NewStubHTTPResponse(200, nil, []byte(`{"key":"test-key"}`)))
// Schedule clear activity callback
host.SchedulerMock.On("ScheduleOneTime", mock.Anything, payloadClearActivity, "testuser-clear").Return("testuser-clear", nil)
err := plugin.NowPlaying(scrobbler.NowPlayingRequest{
Username: "testuser",
Position: 10,
Track: scrobbler.TrackInfo{
ID: "track1",
Title: "Test Song",
Artist: "Test Artist",
Album: "Test Album",
Duration: 180,
},
})
Expect(err).ToNot(HaveOccurred())
})
})
Describe("Scrobble", func() {
It("does nothing (returns nil)", func() {
err := plugin.Scrobble(scrobbler.ScrobbleRequest{})
Expect(err).ToNot(HaveOccurred())
})
})
Describe("OnCallback", func() {
BeforeEach(func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
})
It("handles heartbeat callback", func() {
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(42), true, nil)
host.WebSocketMock.On("SendText", "testuser", mock.Anything).Return(nil)
err := plugin.OnCallback(scheduler.SchedulerCallbackRequest{
ScheduleID: "testuser",
Payload: payloadHeartbeat,
IsRecurring: true,
})
Expect(err).ToNot(HaveOccurred())
})
It("handles clearActivity callback", func() {
host.WebSocketMock.On("SendText", "testuser", mock.Anything).Return(nil)
host.SchedulerMock.On("CancelSchedule", "testuser").Return(nil)
host.WebSocketMock.On("CloseConnection", "testuser", int32(1000), "Navidrome disconnect").Return(nil)
err := plugin.OnCallback(scheduler.SchedulerCallbackRequest{
ScheduleID: "testuser-clear",
Payload: payloadClearActivity,
})
Expect(err).ToNot(HaveOccurred())
})
It("logs warning for unknown payload", func() {
err := plugin.OnCallback(scheduler.SchedulerCallbackRequest{
ScheduleID: "testuser",
Payload: "unknown",
})
Expect(err).ToNot(HaveOccurred())
})
})
})

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@ -1,102 +0,0 @@
{
"name": "Discord Rich Presence",
"author": "Navidrome Team",
"version": "1.0.0",
"description": "Discord Rich Presence integration for Navidrome",
"website": "https://github.com/navidrome/navidrome/tree/master/plugins/examples/discord-rich-presence",
"permissions": {
"users": {
"reason": "To process scrobbles on behalf of users"
},
"http": {
"reason": "To communicate with Discord API for gateway discovery and image uploads",
"requiredHosts": [
"discord.com"
]
},
"websocket": {
"reason": "To maintain real-time connection with Discord gateway",
"requiredHosts": [
"gateway.discord.gg"
]
},
"cache": {
"reason": "To store connection state and sequence numbers"
},
"scheduler": {
"reason": "To schedule heartbeat messages and activity clearing"
},
"artwork": {
"reason": "To get track artwork URLs for rich presence display"
}
},
"config": {
"schema": {
"type": "object",
"properties": {
"clientid": {
"type": "string",
"title": "Discord Application Client ID",
"description": "The Client ID from your Discord Developer Application. Create one at https://discord.com/developers/applications",
"minLength": 17,
"maxLength": 20,
"pattern": "^[0-9]+$"
},
"users": {
"type": "array",
"title": "User Tokens",
"description": "Discord tokens for each Navidrome user. WARNING: Store tokens securely!",
"minItems": 1,
"items": {
"type": "object",
"properties": {
"username": {
"type": "string",
"title": "Navidrome Username",
"description": "The Navidrome username to associate with this Discord token",
"minLength": 1
},
"token": {
"type": "string",
"title": "Discord Token",
"description": "The user's Discord token (keep this secret!)",
"minLength": 1
}
},
"required": ["username", "token"]
}
}
},
"required": ["clientid", "users"]
},
"uiSchema": {
"type": "VerticalLayout",
"elements": [
{
"type": "Control",
"scope": "#/properties/clientid"
},
{
"type": "Control",
"scope": "#/properties/users",
"options": {
"elementLabelProp": "username",
"detail": {
"type": "HorizontalLayout",
"elements": [
{
"type": "Control",
"scope": "#/properties/username"
},
{
"type": "Control",
"scope": "#/properties/token"
}
]
}
}
}
]
}
}
}

View file

@ -1,400 +0,0 @@
// Discord Rich Presence Plugin - RPC Communication
//
// This file handles all Discord gateway communication including WebSocket connections,
// presence updates, and heartbeat management. The discordRPC struct implements WebSocket
// callback interfaces and encapsulates all Discord communication logic.
package main
import (
"encoding/json"
"fmt"
"strings"
"github.com/navidrome/navidrome/plugins/pdk/go/host"
"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
"github.com/navidrome/navidrome/plugins/pdk/go/websocket"
)
// Discord WebSocket Gateway constants
const (
heartbeatOpCode = 1 // Heartbeat operation code
gateOpCode = 2 // Identify operation code
presenceOpCode = 3 // Presence update operation code
)
const (
heartbeatInterval = 41 // Heartbeat interval in seconds
defaultImage = "https://i.imgur.com/hb3XPzA.png"
)
// Scheduler callback payloads for routing
const (
payloadHeartbeat = "heartbeat"
payloadClearActivity = "clear-activity"
)
// discordRPC handles Discord gateway communication and implements WebSocket callbacks.
type discordRPC struct{}
// ============================================================================
// WebSocket Callback Implementation
// ============================================================================
// OnTextMessage handles incoming WebSocket text messages.
func (r *discordRPC) OnTextMessage(input websocket.OnTextMessageRequest) error {
return r.handleWebSocketMessage(input.ConnectionID, input.Message)
}
// OnBinaryMessage handles incoming WebSocket binary messages.
func (r *discordRPC) OnBinaryMessage(input websocket.OnBinaryMessageRequest) error {
pdk.Log(pdk.LogDebug, fmt.Sprintf("Received unexpected binary message for connection '%s'", input.ConnectionID))
return nil
}
// OnError handles WebSocket errors.
func (r *discordRPC) OnError(input websocket.OnErrorRequest) error {
pdk.Log(pdk.LogWarn, fmt.Sprintf("WebSocket error for connection '%s': %s", input.ConnectionID, input.Error))
return nil
}
// OnClose handles WebSocket connection closure.
func (r *discordRPC) OnClose(input websocket.OnCloseRequest) error {
pdk.Log(pdk.LogInfo, fmt.Sprintf("WebSocket connection '%s' closed with code %d: %s", input.ConnectionID, input.Code, input.Reason))
return nil
}
// activity represents a Discord activity.
type activity struct {
Name string `json:"name"`
Type int `json:"type"`
Details string `json:"details"`
State string `json:"state"`
Application string `json:"application_id"`
Timestamps activityTimestamps `json:"timestamps"`
Assets activityAssets `json:"assets"`
}
type activityTimestamps struct {
Start int64 `json:"start"`
End int64 `json:"end"`
}
type activityAssets struct {
LargeImage string `json:"large_image"`
LargeText string `json:"large_text"`
}
// presencePayload represents a Discord presence update.
type presencePayload struct {
Activities []activity `json:"activities"`
Since int64 `json:"since"`
Status string `json:"status"`
Afk bool `json:"afk"`
}
// identifyPayload represents a Discord identify payload.
type identifyPayload struct {
Token string `json:"token"`
Intents int `json:"intents"`
Properties identifyProperties `json:"properties"`
}
type identifyProperties struct {
OS string `json:"os"`
Browser string `json:"browser"`
Device string `json:"device"`
}
// ============================================================================
// Image Processing
// ============================================================================
// processImage processes an image URL for Discord, with fallback to default image.
func (r *discordRPC) processImage(imageURL, clientID, token string, isDefaultImage bool) (string, error) {
if imageURL == "" {
if isDefaultImage {
return "", fmt.Errorf("default image URL is empty")
}
return r.processImage(defaultImage, clientID, token, true)
}
if strings.HasPrefix(imageURL, "mp:") {
return imageURL, nil
}
// Check cache first
cacheKey := fmt.Sprintf("discord.image.%x", imageURL)
cachedValue, exists, err := host.CacheGetString(cacheKey)
if err == nil && exists {
pdk.Log(pdk.LogDebug, fmt.Sprintf("Cache hit for image URL: %s", imageURL))
return cachedValue, nil
}
// Process via Discord API
body := fmt.Sprintf(`{"urls":[%q]}`, imageURL)
req := pdk.NewHTTPRequest(pdk.MethodPost, fmt.Sprintf("https://discord.com/api/v9/applications/%s/external-assets", clientID))
req.SetHeader("Authorization", token)
req.SetHeader("Content-Type", "application/json")
req.SetBody([]byte(body))
resp := req.Send()
if resp.Status() >= 400 {
if isDefaultImage {
return "", fmt.Errorf("failed to process default image: HTTP %d", resp.Status())
}
return r.processImage(defaultImage, clientID, token, true)
}
var data []map[string]string
if err := json.Unmarshal(resp.Body(), &data); err != nil {
if isDefaultImage {
return "", fmt.Errorf("failed to unmarshal default image response: %w", err)
}
return r.processImage(defaultImage, clientID, token, true)
}
if len(data) == 0 {
if isDefaultImage {
return "", fmt.Errorf("no data returned for default image")
}
return r.processImage(defaultImage, clientID, token, true)
}
image := data[0]["external_asset_path"]
if image == "" {
if isDefaultImage {
return "", fmt.Errorf("empty external_asset_path for default image")
}
return r.processImage(defaultImage, clientID, token, true)
}
processedImage := fmt.Sprintf("mp:%s", image)
// Cache the processed image URL
var ttl int64 = 4 * 60 * 60 // 4 hours for regular images
if isDefaultImage {
ttl = 48 * 60 * 60 // 48 hours for default image
}
_ = host.CacheSetString(cacheKey, processedImage, ttl)
pdk.Log(pdk.LogDebug, fmt.Sprintf("Cached processed image URL for %s (TTL: %ds)", imageURL, ttl))
return processedImage, nil
}
// ============================================================================
// Activity Management
// ============================================================================
// sendActivity sends an activity update to Discord.
func (r *discordRPC) sendActivity(clientID, username, token string, data activity) error {
pdk.Log(pdk.LogInfo, fmt.Sprintf("Sending activity for user %s: %s - %s", username, data.Details, data.State))
processedImage, err := r.processImage(data.Assets.LargeImage, clientID, token, false)
if err != nil {
pdk.Log(pdk.LogWarn, fmt.Sprintf("Failed to process image for user %s, continuing without image: %v", username, err))
data.Assets.LargeImage = ""
} else {
data.Assets.LargeImage = processedImage
}
presence := presencePayload{
Activities: []activity{data},
Status: "dnd",
Afk: false,
}
return r.sendMessage(username, presenceOpCode, presence)
}
// clearActivity clears the Discord activity for a user.
func (r *discordRPC) clearActivity(username string) error {
pdk.Log(pdk.LogInfo, fmt.Sprintf("Clearing activity for user %s", username))
return r.sendMessage(username, presenceOpCode, presencePayload{})
}
// ============================================================================
// Low-level Communication
// ============================================================================
// sendMessage sends a message over the WebSocket connection.
func (r *discordRPC) sendMessage(username string, opCode int, payload any) error {
message := map[string]any{
"op": opCode,
"d": payload,
}
b, err := json.Marshal(message)
if err != nil {
return fmt.Errorf("failed to marshal message: %w", err)
}
err = host.WebSocketSendText(username, string(b))
if err != nil {
return fmt.Errorf("failed to send message: %w", err)
}
return nil
}
// getDiscordGateway retrieves the Discord gateway URL.
func (r *discordRPC) getDiscordGateway() (string, error) {
req := pdk.NewHTTPRequest(pdk.MethodGet, "https://discord.com/api/gateway")
resp := req.Send()
if resp.Status() != 200 {
return "", fmt.Errorf("failed to get Discord gateway: HTTP %d", resp.Status())
}
var result map[string]string
if err := json.Unmarshal(resp.Body(), &result); err != nil {
return "", fmt.Errorf("failed to parse Discord gateway response: %w", err)
}
return result["url"], nil
}
// sendHeartbeat sends a heartbeat to Discord.
func (r *discordRPC) sendHeartbeat(username string) error {
seqNum, _, err := host.CacheGetInt(fmt.Sprintf("discord.seq.%s", username))
if err != nil {
return fmt.Errorf("failed to get sequence number: %w", err)
}
pdk.Log(pdk.LogDebug, fmt.Sprintf("Sending heartbeat for user %s: %d", username, seqNum))
return r.sendMessage(username, heartbeatOpCode, seqNum)
}
// cleanupFailedConnection cleans up a failed Discord connection.
func (r *discordRPC) cleanupFailedConnection(username string) {
pdk.Log(pdk.LogInfo, fmt.Sprintf("Cleaning up failed connection for user %s", username))
// Cancel the heartbeat schedule
if err := host.SchedulerCancelSchedule(username); err != nil {
pdk.Log(pdk.LogWarn, fmt.Sprintf("Failed to cancel heartbeat schedule for user %s: %v", username, err))
}
// Close the WebSocket connection
if err := host.WebSocketCloseConnection(username, 1000, "Connection lost"); err != nil {
pdk.Log(pdk.LogWarn, fmt.Sprintf("Failed to close WebSocket connection for user %s: %v", username, err))
}
// Clean up cache entries
_ = host.CacheRemove(fmt.Sprintf("discord.seq.%s", username))
pdk.Log(pdk.LogInfo, fmt.Sprintf("Cleaned up connection for user %s", username))
}
// isConnected checks if a user is connected to Discord by testing the heartbeat.
func (r *discordRPC) isConnected(username string) bool {
err := r.sendHeartbeat(username)
if err != nil {
pdk.Log(pdk.LogDebug, fmt.Sprintf("Heartbeat test failed for user %s: %v", username, err))
return false
}
return true
}
// connect establishes a connection to Discord for a user.
func (r *discordRPC) connect(username, token string) error {
if r.isConnected(username) {
pdk.Log(pdk.LogInfo, fmt.Sprintf("Reusing existing connection for user %s", username))
return nil
}
pdk.Log(pdk.LogInfo, fmt.Sprintf("Creating new connection for user %s", username))
// Get Discord Gateway URL
gateway, err := r.getDiscordGateway()
if err != nil {
return fmt.Errorf("failed to get Discord gateway: %w", err)
}
pdk.Log(pdk.LogDebug, fmt.Sprintf("Using gateway: %s", gateway))
// Connect to Discord Gateway
_, err = host.WebSocketConnect(gateway, nil, username)
if err != nil {
return fmt.Errorf("failed to connect to WebSocket: %w", err)
}
// Send identify payload
payload := identifyPayload{
Token: token,
Intents: 0,
Properties: identifyProperties{
OS: "Windows 10",
Browser: "Discord Client",
Device: "Discord Client",
},
}
if err := r.sendMessage(username, gateOpCode, payload); err != nil {
return fmt.Errorf("failed to send identify payload: %w", err)
}
// Schedule heartbeats for this user/connection
cronExpr := fmt.Sprintf("@every %ds", heartbeatInterval)
scheduleID, err := host.SchedulerScheduleRecurring(cronExpr, payloadHeartbeat, username)
if err != nil {
return fmt.Errorf("failed to schedule heartbeat: %w", err)
}
pdk.Log(pdk.LogInfo, fmt.Sprintf("Scheduled heartbeat for user %s with ID %s", username, scheduleID))
pdk.Log(pdk.LogInfo, fmt.Sprintf("Successfully authenticated user %s", username))
return nil
}
// disconnect closes the Discord connection for a user.
func (r *discordRPC) disconnect(username string) error {
if err := host.SchedulerCancelSchedule(username); err != nil {
return fmt.Errorf("failed to cancel schedule: %w", err)
}
if err := host.WebSocketCloseConnection(username, 1000, "Navidrome disconnect"); err != nil {
return fmt.Errorf("failed to close WebSocket connection: %w", err)
}
return nil
}
// handleWebSocketMessage processes incoming WebSocket messages from Discord.
func (r *discordRPC) handleWebSocketMessage(connectionID, message string) error {
if len(message) < 1024 {
pdk.Log(pdk.LogTrace, fmt.Sprintf("Received WebSocket message for connection '%s': %s", connectionID, message))
} else {
pdk.Log(pdk.LogTrace, fmt.Sprintf("Received WebSocket message for connection '%s' (truncated): %s...", connectionID, message[:1021]))
}
// Parse the message
var msg map[string]any
if err := json.Unmarshal([]byte(message), &msg); err != nil {
return fmt.Errorf("failed to parse WebSocket message: %w", err)
}
// Store sequence number if present
if v := msg["s"]; v != nil {
seq := int64(v.(float64))
pdk.Log(pdk.LogTrace, fmt.Sprintf("Received sequence number for connection '%s': %d", connectionID, seq))
if err := host.CacheSetInt(fmt.Sprintf("discord.seq.%s", connectionID), seq, int64(heartbeatInterval*2)); err != nil {
return fmt.Errorf("failed to store sequence number for user %s: %w", connectionID, err)
}
}
return nil
}
// handleHeartbeatCallback processes heartbeat scheduler callbacks.
func (r *discordRPC) handleHeartbeatCallback(username string) error {
if err := r.sendHeartbeat(username); err != nil {
// On first heartbeat failure, immediately clean up the connection
pdk.Log(pdk.LogWarn, fmt.Sprintf("Heartbeat failed for user %s, cleaning up connection: %v", username, err))
r.cleanupFailedConnection(username)
return fmt.Errorf("heartbeat failed, connection cleaned up: %w", err)
}
return nil
}
// handleClearActivityCallback processes clear activity scheduler callbacks.
func (r *discordRPC) handleClearActivityCallback(username string) error {
pdk.Log(pdk.LogInfo, fmt.Sprintf("Removing presence for user %s", username))
if err := r.clearActivity(username); err != nil {
return fmt.Errorf("failed to clear activity: %w", err)
}
pdk.Log(pdk.LogInfo, fmt.Sprintf("Disconnecting user %s", username))
if err := r.disconnect(username); err != nil {
return fmt.Errorf("failed to disconnect from Discord: %w", err)
}
return nil
}

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@ -1,279 +0,0 @@
package main
import (
"errors"
"strings"
"github.com/navidrome/navidrome/plugins/pdk/go/host"
"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
"github.com/navidrome/navidrome/plugins/pdk/go/websocket"
"github.com/stretchr/testify/mock"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("discordRPC", func() {
var r *discordRPC
BeforeEach(func() {
r = &discordRPC{}
pdk.ResetMock()
host.CacheMock.ExpectedCalls = nil
host.CacheMock.Calls = nil
host.WebSocketMock.ExpectedCalls = nil
host.WebSocketMock.Calls = nil
host.SchedulerMock.ExpectedCalls = nil
host.SchedulerMock.Calls = nil
})
Describe("sendMessage", func() {
It("sends JSON message over WebSocket", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.WebSocketMock.On("SendText", "testuser", mock.MatchedBy(func(msg string) bool {
return strings.Contains(msg, `"op":3`)
})).Return(nil)
err := r.sendMessage("testuser", presenceOpCode, map[string]string{"status": "online"})
Expect(err).ToNot(HaveOccurred())
host.WebSocketMock.AssertExpectations(GinkgoT())
})
It("returns error when WebSocket send fails", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.WebSocketMock.On("SendText", mock.Anything, mock.Anything).
Return(errors.New("connection closed"))
err := r.sendMessage("testuser", presenceOpCode, map[string]string{})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("connection closed"))
})
})
Describe("sendHeartbeat", func() {
It("retrieves sequence number from cache and sends heartbeat", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(123), true, nil)
host.WebSocketMock.On("SendText", "testuser", mock.MatchedBy(func(msg string) bool {
return strings.Contains(msg, `"op":1`) && strings.Contains(msg, "123")
})).Return(nil)
err := r.sendHeartbeat("testuser")
Expect(err).ToNot(HaveOccurred())
host.CacheMock.AssertExpectations(GinkgoT())
host.WebSocketMock.AssertExpectations(GinkgoT())
})
It("returns error when cache get fails", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(0), false, errors.New("cache error"))
err := r.sendHeartbeat("testuser")
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("cache error"))
})
})
Describe("connect", func() {
It("establishes WebSocket connection and sends identify payload", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(0), false, errors.New("not found"))
// Mock HTTP GET request for gateway discovery
gatewayResp := []byte(`{"url":"wss://gateway.discord.gg"}`)
httpReq := &pdk.HTTPRequest{}
pdk.PDKMock.On("NewHTTPRequest", pdk.MethodGet, "https://discord.com/api/gateway").Return(httpReq)
pdk.PDKMock.On("Send", mock.Anything).Return(pdk.NewStubHTTPResponse(200, nil, gatewayResp))
// Mock WebSocket connection
host.WebSocketMock.On("Connect", mock.MatchedBy(func(url string) bool {
return strings.Contains(url, "gateway.discord.gg")
}), mock.Anything, "testuser").Return("testuser", nil)
host.WebSocketMock.On("SendText", "testuser", mock.MatchedBy(func(msg string) bool {
return strings.Contains(msg, `"op":2`) && strings.Contains(msg, "test-token")
})).Return(nil)
host.SchedulerMock.On("ScheduleRecurring", "@every 41s", payloadHeartbeat, "testuser").
Return("testuser", nil)
err := r.connect("testuser", "test-token")
Expect(err).ToNot(HaveOccurred())
})
It("reuses existing connection if connected", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(42), true, nil)
host.WebSocketMock.On("SendText", "testuser", mock.Anything).Return(nil)
err := r.connect("testuser", "test-token")
Expect(err).ToNot(HaveOccurred())
host.WebSocketMock.AssertNotCalled(GinkgoT(), "Connect", mock.Anything, mock.Anything, mock.Anything)
})
})
Describe("disconnect", func() {
It("cancels schedule and closes WebSocket connection", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.SchedulerMock.On("CancelSchedule", "testuser").Return(nil)
host.WebSocketMock.On("CloseConnection", "testuser", int32(1000), "Navidrome disconnect").Return(nil)
err := r.disconnect("testuser")
Expect(err).ToNot(HaveOccurred())
host.SchedulerMock.AssertExpectations(GinkgoT())
host.WebSocketMock.AssertExpectations(GinkgoT())
})
})
Describe("cleanupFailedConnection", func() {
It("cancels schedule, closes WebSocket, and clears cache", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.SchedulerMock.On("CancelSchedule", "testuser").Return(nil)
host.WebSocketMock.On("CloseConnection", "testuser", int32(1000), "Connection lost").Return(nil)
host.CacheMock.On("Remove", "discord.seq.testuser").Return(nil)
r.cleanupFailedConnection("testuser")
host.SchedulerMock.AssertExpectations(GinkgoT())
host.WebSocketMock.AssertExpectations(GinkgoT())
})
})
Describe("handleHeartbeatCallback", func() {
It("sends heartbeat successfully", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(42), true, nil)
host.WebSocketMock.On("SendText", "testuser", mock.Anything).Return(nil)
err := r.handleHeartbeatCallback("testuser")
Expect(err).ToNot(HaveOccurred())
})
It("cleans up connection on heartbeat failure", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(0), false, errors.New("cache miss"))
host.SchedulerMock.On("CancelSchedule", "testuser").Return(nil)
host.WebSocketMock.On("CloseConnection", "testuser", int32(1000), "Connection lost").Return(nil)
host.CacheMock.On("Remove", "discord.seq.testuser").Return(nil)
err := r.handleHeartbeatCallback("testuser")
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("connection cleaned up"))
})
})
Describe("handleClearActivityCallback", func() {
It("clears activity and disconnects", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.WebSocketMock.On("SendText", "testuser", mock.MatchedBy(func(msg string) bool {
return strings.Contains(msg, `"op":3`) && strings.Contains(msg, `"activities":null`)
})).Return(nil)
host.SchedulerMock.On("CancelSchedule", "testuser").Return(nil)
host.WebSocketMock.On("CloseConnection", "testuser", int32(1000), "Navidrome disconnect").Return(nil)
err := r.handleClearActivityCallback("testuser")
Expect(err).ToNot(HaveOccurred())
})
})
Describe("WebSocket callbacks", func() {
Describe("OnTextMessage", func() {
It("handles valid JSON message", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("SetInt", mock.Anything, mock.Anything, mock.Anything).Return(nil)
err := r.OnTextMessage(websocket.OnTextMessageRequest{
ConnectionID: "testuser",
Message: `{"s":42}`,
})
Expect(err).ToNot(HaveOccurred())
})
It("returns error for invalid JSON", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
err := r.OnTextMessage(websocket.OnTextMessageRequest{
ConnectionID: "testuser",
Message: `not json`,
})
Expect(err).To(HaveOccurred())
})
})
Describe("OnBinaryMessage", func() {
It("handles binary message without error", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
err := r.OnBinaryMessage(websocket.OnBinaryMessageRequest{
ConnectionID: "testuser",
Data: "AQID", // base64 encoded [0x01, 0x02, 0x03]
})
Expect(err).ToNot(HaveOccurred())
})
})
Describe("OnError", func() {
It("handles error without returning error", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
err := r.OnError(websocket.OnErrorRequest{
ConnectionID: "testuser",
Error: "test error",
})
Expect(err).ToNot(HaveOccurred())
})
})
Describe("OnClose", func() {
It("handles close without returning error", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
err := r.OnClose(websocket.OnCloseRequest{
ConnectionID: "testuser",
Code: 1000,
Reason: "normal close",
})
Expect(err).ToNot(HaveOccurred())
})
})
})
Describe("sendActivity", func() {
BeforeEach(func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.CacheMock.On("GetString", mock.MatchedBy(func(key string) bool {
return strings.HasPrefix(key, "discord.image.")
})).Return("", false, nil)
host.CacheMock.On("SetString", mock.Anything, mock.Anything, mock.Anything).Return(nil)
// Mock HTTP request for Discord external assets API (image processing)
// When processImage is called, it makes an HTTP request
httpReq := &pdk.HTTPRequest{}
pdk.PDKMock.On("NewHTTPRequest", pdk.MethodPost, mock.Anything).Return(httpReq)
pdk.PDKMock.On("Send", mock.Anything).Return(pdk.NewStubHTTPResponse(200, nil, []byte(`{"key":"test-key"}`)))
})
It("sends activity update to Discord", func() {
host.WebSocketMock.On("SendText", "testuser", mock.MatchedBy(func(msg string) bool {
return strings.Contains(msg, `"op":3`) &&
strings.Contains(msg, `"name":"Test Song"`) &&
strings.Contains(msg, `"state":"Test Artist"`)
})).Return(nil)
err := r.sendActivity("client123", "testuser", "token123", activity{
Application: "client123",
Name: "Test Song",
Type: 2,
State: "Test Artist",
Details: "Test Album",
})
Expect(err).ToNot(HaveOccurred())
})
})
Describe("clearActivity", func() {
It("sends presence update with nil activities", func() {
pdk.PDKMock.On("Log", mock.Anything, mock.Anything).Maybe()
host.WebSocketMock.On("SendText", "testuser", mock.MatchedBy(func(msg string) bool {
return strings.Contains(msg, `"op":3`) && strings.Contains(msg, `"activities":null`)
})).Return(nil)
err := r.clearActivity("testuser")
Expect(err).ToNot(HaveOccurred())
})
})
})