mirror of
https://github.com/benbusby/farside.git
synced 2025-03-14 19:26:30 -04:00
93 lines
1.7 KiB
Go
93 lines
1.7 KiB
Go
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package services
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import (
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"encoding/json"
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"io"
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"net/http"
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"os"
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)
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var (
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ServiceList []Service
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FallbackMap map[string]string
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)
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const (
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baseRepoLink = "https://git.sr.ht/~benbusby/farside/blob/main/"
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noCFServicesJSON = "services.json"
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fullServicesJSON = "services-full.json"
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)
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type Service struct {
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Type string `json:"type"`
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TestURL string `json:"test_url,omitempty"`
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Fallback string `json:"fallback,omimtempty"`
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Instances []string `json:"instances"`
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}
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func ingestServicesList(servicesBytes []byte) error {
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err := json.Unmarshal(servicesBytes, &ServiceList)
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return err
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}
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func GetServicesFileName() string {
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cloudflareEnabled := false
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cfEnabledVar := os.Getenv("FARSIDE_CF_ENABLED")
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if len(cfEnabledVar) > 0 && cfEnabledVar == "1" {
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cloudflareEnabled = true
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}
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serviceJSON := noCFServicesJSON
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if cloudflareEnabled {
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serviceJSON = fullServicesJSON
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}
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return serviceJSON
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}
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func FetchServicesFile(serviceJSON string) ([]byte, error) {
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resp, err := http.Get(baseRepoLink + serviceJSON)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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bodyBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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err = os.WriteFile(serviceJSON, bodyBytes, 0666)
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if err != nil {
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return nil, err
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}
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return bodyBytes, nil
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}
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func InitializeServices() error {
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serviceJSON := GetServicesFileName()
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fileBytes, err := os.ReadFile(serviceJSON)
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if err != nil {
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fileBytes, err = FetchServicesFile(serviceJSON)
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if err != nil {
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return err
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}
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}
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err = ingestServicesList(fileBytes)
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if err != nil {
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return err
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}
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FallbackMap = make(map[string]string)
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for _, serviceElement := range ServiceList {
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FallbackMap[serviceElement.Type] = serviceElement.Fallback
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}
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return nil
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}
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