commit a2604a4f5e9f2f163d7f93c76184805039d7b209 Author: Darius Date: Tue Sep 23 23:12:53 2025 +0200 Initial diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..7fa497c --- /dev/null +++ b/Dockerfile @@ -0,0 +1,34 @@ +# Build stage +FROM golang:1.21-alpine AS builder + +WORKDIR /app + +# Copy go mod files +COPY go.mod go.sum ./ + +# Download dependencies +RUN go mod download + +# Copy source code +COPY *.go ./ + +# Build the application +RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o gps-router . + +# Final stage +FROM alpine:latest + +RUN apk --no-cache add ca-certificates wget + +WORKDIR /root/ + +# Copy the binary from builder stage +COPY --from=builder /app/gps-router . + +# Create non-root user +RUN adduser -D -s /bin/sh gpsrouter +USER gpsrouter + +EXPOSE 3000 + +CMD ["./gps-router"] diff --git a/docker-compose.yml b/docker-compose.yml new file mode 100644 index 0000000..057eac8 --- /dev/null +++ b/docker-compose.yml @@ -0,0 +1,39 @@ +version: "3.8" + +services: + gps-router: + build: . + container_name: gps-logger-router + ports: + - "3000:3000" + environment: + # Dawarich configuration (OPTIONAL - leave empty if not using) + - DAWARICH_URL= + - DAWARICH_TOKEN= + + # Home Assistant configuration (REQUIRED) + - HOMEASSISTANT_URL=https://your-homeassistant-instance.com + - HOMEASSISTANT_TOKEN=your_homeassistant_long_lived_token + - HA_DEVICE_TRACKER_ID=gps_logger_device + + # Optional basic authentication + - AUTH_USERNAME= + - AUTH_PASSWORD= + + # Server configuration + - PORT=3000 + restart: unless-stopped + healthcheck: + test: + [ + "CMD", + "wget", + "--no-verbose", + "--tries=1", + "--spider", + "http://localhost:3000/health", + ] + interval: 30s + timeout: 10s + retries: 3 + start_period: 40s diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..8091e5e --- /dev/null +++ b/go.mod @@ -0,0 +1,32 @@ +module gps-router + +go 1.21 + +require github.com/gin-gonic/gin v1.9.1 + +require ( + github.com/bytedance/sonic v1.9.1 // indirect + github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect + github.com/gabriel-vasile/mimetype v1.4.2 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.14.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.4 // indirect + github.com/leodido/go-urn v1.2.4 // indirect + github.com/mattn/go-isatty v0.0.19 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.0.8 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.11 // indirect + golang.org/x/arch v0.3.0 // indirect + golang.org/x/crypto v0.9.0 // indirect + golang.org/x/net v0.10.0 // indirect + golang.org/x/sys v0.8.0 // indirect + golang.org/x/text v0.9.0 // indirect + google.golang.org/protobuf v1.30.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..1a77fa1 --- /dev/null +++ b/go.sum @@ -0,0 +1,86 @@ +github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= +github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s= +github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U= +github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +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/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU= +github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA= +github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= +github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= +github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg= +github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU= +github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s= +github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= +github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= +github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY= +github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js= +github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU= +github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU= +github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I= +github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= +github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU= +github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= +github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk= +github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY= +github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q= +github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4= +github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA= +github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= +github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= +github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ= +github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4= +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/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= +github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= +github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= +github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= +github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY= +github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= +github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI= +github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08= +github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU= +github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg= +golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8= +golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k= +golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8= +golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g= +golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0= +golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M= +golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg= +golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU= +golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE= +golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= +golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= +google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng= +google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/main.go b/main.go new file mode 100644 index 0000000..e9eb1cf --- /dev/null +++ b/main.go @@ -0,0 +1,376 @@ +package main + +import ( + "bytes" + "encoding/json" + "fmt" + "log" + "net/http" + "os" + "strconv" + "sync" + "time" + + "github.com/gin-gonic/gin" +) + +type Config struct { + Dawarich struct { + URL string + Token string + } + HomeAssistant struct { + URL string + Token string + DeviceTrackerID string + } + Auth struct { + Username string + Password string + } + Port string +} + +type GPSData struct { + Lat string `json:"lat" form:"lat"` + Lon string `json:"lon" form:"lon"` + Time string `json:"time" form:"time"` + Alt string `json:"alt" form:"alt"` + Spd string `json:"spd" form:"spd"` + Dir string `json:"dir" form:"dir"` + Acc string `json:"acc" form:"acc"` + Batt string `json:"batt" form:"batt"` +} + +type DawarichLocation struct { + Type string `json:"type"` + Geometry struct { + Type string `json:"type"` + Coordinates []float64 `json:"coordinates"` + } `json:"geometry"` + Properties struct { + Timestamp string `json:"timestamp"` + Altitude *float64 `json:"altitude,omitempty"` + Speed *float64 `json:"speed,omitempty"` + Bearing *float64 `json:"bearing,omitempty"` + Accuracy *float64 `json:"accuracy,omitempty"` + BatteryLevel *float64 `json:"battery_level,omitempty"` + } `json:"properties"` +} + +type DawarichPayload struct { + Locations []DawarichLocation `json:"locations"` +} + +type HAState struct { + State string `json:"state"` + Attributes map[string]interface{} `json:"attributes"` +} + +type ForwardResult struct { + Success bool `json:"success"` + Error string `json:"error,omitempty"` +} + +type Response struct { + Timestamp string `json:"timestamp"` + ReceivedData GPSData `json:"received_data"` + Results struct { + Dawarich ForwardResult `json:"dawarich"` + HomeAssistant ForwardResult `json:"homeassistant"` + } `json:"results"` +} + +var config Config +var httpClient = &http.Client{ + Timeout: 10 * time.Second, +} + +func loadConfig() { + config.Dawarich.URL = os.Getenv("DAWARICH_URL") + config.Dawarich.Token = os.Getenv("DAWARICH_TOKEN") + config.HomeAssistant.URL = os.Getenv("HOMEASSISTANT_URL") + config.HomeAssistant.Token = os.Getenv("HOMEASSISTANT_TOKEN") + config.HomeAssistant.DeviceTrackerID = getEnvOrDefault("HA_DEVICE_TRACKER_ID", "gps_logger") + config.Auth.Username = os.Getenv("AUTH_USERNAME") + config.Auth.Password = os.Getenv("AUTH_PASSWORD") + config.Port = getEnvOrDefault("PORT", "3000") +} + +func getEnvOrDefault(key, defaultValue string) string { + if value := os.Getenv(key); value != "" { + return value + } + return defaultValue +} + +func parseFloat(s string) *float64 { + if s == "" { + return nil + } + if f, err := strconv.ParseFloat(s, 64); err == nil { + return &f + } + return nil +} + +func forwardToDawarich(gpsData GPSData) ForwardResult { + if config.Dawarich.URL == "" || config.Dawarich.Token == "" { + return ForwardResult{Success: false, Error: "Not configured"} + } + + lat, err := strconv.ParseFloat(gpsData.Lat, 64) + if err != nil { + return ForwardResult{Success: false, Error: "Invalid latitude"} + } + + lon, err := strconv.ParseFloat(gpsData.Lon, 64) + if err != nil { + return ForwardResult{Success: false, Error: "Invalid longitude"} + } + + timestamp := gpsData.Time + if timestamp == "" { + timestamp = time.Now().Format(time.RFC3339) + } + + location := DawarichLocation{ + Type: "Feature", + Geometry: struct { + Type string `json:"type"` + Coordinates []float64 `json:"coordinates"` + }{ + Type: "Point", + Coordinates: []float64{lon, lat}, + }, + Properties: struct { + Timestamp string `json:"timestamp"` + Altitude *float64 `json:"altitude,omitempty"` + Speed *float64 `json:"speed,omitempty"` + Bearing *float64 `json:"bearing,omitempty"` + Accuracy *float64 `json:"accuracy,omitempty"` + BatteryLevel *float64 `json:"battery_level,omitempty"` + }{ + Timestamp: timestamp, + Altitude: parseFloat(gpsData.Alt), + Speed: parseFloat(gpsData.Spd), + Bearing: parseFloat(gpsData.Dir), + Accuracy: parseFloat(gpsData.Acc), + BatteryLevel: parseFloat(gpsData.Batt), + }, + } + + payload := DawarichPayload{ + Locations: []DawarichLocation{location}, + } + + jsonData, err := json.Marshal(payload) + if err != nil { + return ForwardResult{Success: false, Error: "JSON marshal error"} + } + + req, err := http.NewRequest("POST", config.Dawarich.URL+"/api/v1/overland/batches", bytes.NewBuffer(jsonData)) + if err != nil { + return ForwardResult{Success: false, Error: "Request creation error"} + } + + req.Header.Set("Authorization", "Bearer "+config.Dawarich.Token) + req.Header.Set("Content-Type", "application/json") + + resp, err := httpClient.Do(req) + if err != nil { + return ForwardResult{Success: false, Error: err.Error()} + } + defer resp.Body.Close() + + if resp.StatusCode >= 200 && resp.StatusCode < 300 { + log.Println("Successfully forwarded to Dawarich") + return ForwardResult{Success: true} + } + + return ForwardResult{Success: false, Error: fmt.Sprintf("HTTP %d", resp.StatusCode)} +} + +func forwardToHomeAssistant(gpsData GPSData) ForwardResult { + if config.HomeAssistant.URL == "" || config.HomeAssistant.Token == "" { + return ForwardResult{Success: false, Error: "Not configured"} + } + + lat, err := strconv.ParseFloat(gpsData.Lat, 64) + if err != nil { + return ForwardResult{Success: false, Error: "Invalid latitude"} + } + + lon, err := strconv.ParseFloat(gpsData.Lon, 64) + if err != nil { + return ForwardResult{Success: false, Error: "Invalid longitude"} + } + + attributes := map[string]interface{}{ + "latitude": lat, + "longitude": lon, + "source_type": "gps", + "friendly_name": "GPS Logger Device", + } + + if acc := parseFloat(gpsData.Acc); acc != nil { + attributes["gps_accuracy"] = *acc + } + if alt := parseFloat(gpsData.Alt); alt != nil { + attributes["altitude"] = *alt + } + if spd := parseFloat(gpsData.Spd); spd != nil { + attributes["speed"] = *spd + } + if dir := parseFloat(gpsData.Dir); dir != nil { + attributes["bearing"] = *dir + } + if batt := parseFloat(gpsData.Batt); batt != nil { + attributes["battery_level"] = *batt + } + + state := HAState{ + State: "home", + Attributes: attributes, + } + + jsonData, err := json.Marshal(state) + if err != nil { + return ForwardResult{Success: false, Error: "JSON marshal error"} + } + + url := fmt.Sprintf("%s/api/states/device_tracker.%s", config.HomeAssistant.URL, config.HomeAssistant.DeviceTrackerID) + req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonData)) + if err != nil { + return ForwardResult{Success: false, Error: "Request creation error"} + } + + req.Header.Set("Authorization", "Bearer "+config.HomeAssistant.Token) + req.Header.Set("Content-Type", "application/json") + + resp, err := httpClient.Do(req) + if err != nil { + return ForwardResult{Success: false, Error: err.Error()} + } + defer resp.Body.Close() + + if resp.StatusCode >= 200 && resp.StatusCode < 300 { + log.Println("Successfully forwarded to Home Assistant") + return ForwardResult{Success: true} + } + + return ForwardResult{Success: false, Error: fmt.Sprintf("HTTP %d", resp.StatusCode)} +} + +func basicAuth() gin.HandlerFunc { + if config.Auth.Username == "" || config.Auth.Password == "" { + return gin.HandlerFunc(func(c *gin.Context) { + c.Next() + }) + } + + return gin.BasicAuth(gin.Accounts{ + config.Auth.Username: config.Auth.Password, + }) +} + +func healthHandler(c *gin.Context) { + c.JSON(http.StatusOK, gin.H{ + "status": "healthy", + "timestamp": time.Now().Format(time.RFC3339), + "config": gin.H{ + "dawarich_configured": config.Dawarich.URL != "" && config.Dawarich.Token != "", + "homeassistant_configured": config.HomeAssistant.URL != "" && config.HomeAssistant.Token != "", + "auth_enabled": config.Auth.Username != "" && config.Auth.Password != "", + }, + }) +} + +func gpsHandler(c *gin.Context) { + var gpsData GPSData + + // Bind data from both query parameters and body + if err := c.ShouldBind(&gpsData); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid GPS data"}) + return + } + + log.Printf("Received GPS data: lat=%s, lon=%s", gpsData.Lat, gpsData.Lon) + + // Validate required fields + if gpsData.Lat == "" || gpsData.Lon == "" { + c.JSON(http.StatusBadRequest, gin.H{"error": "Missing required fields: lat, lon"}) + return + } + + // Forward to both services concurrently + var wg sync.WaitGroup + var dawarichResult, haResult ForwardResult + + wg.Add(2) + + go func() { + defer wg.Done() + dawarichResult = forwardToDawarich(gpsData) + }() + + go func() { + defer wg.Done() + haResult = forwardToHomeAssistant(gpsData) + }() + + wg.Wait() + + response := Response{ + Timestamp: time.Now().Format(time.RFC3339), + ReceivedData: gpsData, + Results: struct { + Dawarich ForwardResult `json:"dawarich"` + HomeAssistant ForwardResult `json:"homeassistant"` + }{ + Dawarich: dawarichResult, + HomeAssistant: haResult, + }, + } + + // Return success if at least one service succeeded + statusCode := http.StatusInternalServerError + if dawarichResult.Success || haResult.Success { + statusCode = http.StatusOK + } + + c.JSON(statusCode, response) +} + +func main() { + loadConfig() + + // Set Gin to release mode for production + if os.Getenv("GIN_MODE") == "" { + gin.SetMode(gin.ReleaseMode) + } + + r := gin.New() + r.Use(gin.Logger(), gin.Recovery()) + + // Health check endpoint (no auth required) + r.GET("/health", healthHandler) + + // Protected endpoints + auth := r.Group("/", basicAuth()) + { + auth.GET("/gps", gpsHandler) + auth.POST("/gps", gpsHandler) + auth.POST("/webhook", gpsHandler) + } + + log.Printf("GPS Router service starting on port %s", config.Port) + log.Printf("Configuration status:") + log.Printf("- Dawarich: %t", config.Dawarich.URL != "" && config.Dawarich.Token != "") + log.Printf("- Home Assistant: %t", config.HomeAssistant.URL != "" && config.HomeAssistant.Token != "") + log.Printf("- Authentication: %t", config.Auth.Username != "" && config.Auth.Password != "") + + if err := r.Run(":" + config.Port); err != nil { + log.Fatal("Failed to start server:", err) + } +}