95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
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package config
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import (
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"fmt"
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"net/url"
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"os"
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"strconv"
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)
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var Bind, ClientID, ClientSecret, Environment, FieldseekerSchemaDirectory, MapboxToken, PGDSN, URLReport, URLSync, UserFilesDirectory string
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// Build the ArcGIS authorization URL with PKCE
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func BuildArcGISAuthURL(clientID string) string {
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baseURL := "https://www.arcgis.com/sharing/rest/oauth2/authorize/"
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params := url.Values{}
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params.Add("client_id", clientID)
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params.Add("redirect_uri", RedirectURL())
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params.Add("response_type", "code")
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//params.Add("code_challenge", generateCodeChallenge(codeVerifier))
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//params.Add("code_challenge_method", "S256")
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// See https://developers.arcgis.com/rest/users-groups-and-items/token/
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// expiration is defined in minutes
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var expiration int
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if IsProductionEnvironment() {
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// 2 weeks is the maximum allowed
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expiration = 20160
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} else {
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expiration = 20
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}
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params.Add("expiration", strconv.Itoa(expiration))
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return baseURL + "?" + params.Encode()
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}
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func IsProductionEnvironment() bool {
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return Environment == "PRODUCTION"
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}
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func MakeURLSync(path string) string {
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return fmt.Sprintf("https://%s%s", URLSync, path)
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}
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func Parse() error {
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ClientID = os.Getenv("ARCGIS_CLIENT_ID")
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if ClientID == "" {
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return fmt.Errorf("You must specify a non-empty ARCGIS_CLIENT_ID")
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}
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ClientSecret = os.Getenv("ARCGIS_CLIENT_SECRET")
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if ClientSecret == "" {
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return fmt.Errorf("You must specify a non-empty ARCGIS_CLIENT_SECRET")
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}
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URLReport = os.Getenv("URL_REPORT")
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if URLReport == "" {
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return fmt.Errorf("You must specify a non-empty URL_REPORT")
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}
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URLSync = os.Getenv("URL_SYNC")
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if URLSync == "" {
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return fmt.Errorf("You must specify a non-empty URL_SYNC")
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}
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Bind = os.Getenv("BIND")
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if Bind == "" {
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Bind = ":9001"
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}
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Environment = os.Getenv("ENVIRONMENT")
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if Environment == "" {
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return fmt.Errorf("You must specify a non-empty ENVIRONMENT")
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}
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if !(Environment == "PRODUCTION" || Environment == "DEVELOPMENT") {
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return fmt.Errorf("ENVIRONMENT should be either DEVELOPMENT or PRODUCTION")
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}
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MapboxToken = os.Getenv("MAPBOX_TOKEN")
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if MapboxToken == "" {
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return fmt.Errorf("You must specify a non-empty MAPBOX_TOKEN")
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}
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PGDSN = os.Getenv("POSTGRES_DSN")
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if PGDSN == "" {
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return fmt.Errorf("You must specify a non-empty POSTGRES_DSN")
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}
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FieldseekerSchemaDirectory = os.Getenv("FIELDSEEKER_SCHEMA_DIRECTORY")
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if FieldseekerSchemaDirectory == "" {
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return fmt.Errorf("You must specify a non-empty FIELDSEEKER_SCHEMA_DIRECTORY")
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}
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UserFilesDirectory = os.Getenv("USER_FILES_DIRECTORY")
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if UserFilesDirectory == "" {
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return fmt.Errorf("You must specify a non-empty USER_FILES_DIRECTORY")
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}
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return nil
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}
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func RedirectURL() string {
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return MakeURLSync("/arcgis/oauth/callback")
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}
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