This commit is contained in:
Darius
2025-09-23 23:12:53 +02:00
commit a2604a4f5e
5 changed files with 567 additions and 0 deletions

34
Dockerfile Normal file
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# 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"]

39
docker-compose.yml Normal file
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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

32
go.mod Normal file
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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
)

86
go.sum Normal file
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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=

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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)
}
}