102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package parsers
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import (
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"net/url"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/authorizerdev/authorizer/server/constants"
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"github.com/authorizerdev/authorizer/server/memorystore"
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)
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// GetHost returns hostname from request context
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// if EnvKeyAuthorizerURL is set it is given highest priority.
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// if X-Authorizer-URL header is set it is given second highest priority
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// if above 2 are not set the requesting host name is used
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func GetHost(c *gin.Context) string {
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authorizerURL, err := memorystore.Provider.GetStringStoreEnvVariable(constants.EnvKeyAuthorizerURL)
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if err != nil {
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authorizerURL = ""
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}
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if authorizerURL != "" {
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return strings.TrimSuffix(authorizerURL, "/")
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}
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authorizerURL = c.Request.Header.Get("X-Authorizer-URL")
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if authorizerURL != "" {
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return strings.TrimSuffix(authorizerURL, "/")
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}
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scheme := c.Request.Header.Get("X-Forwarded-Proto")
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if scheme != "https" {
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scheme = "http"
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}
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host := c.Request.Host
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return strings.TrimSuffix(scheme+"://"+host, "/")
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}
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// GetHostName function returns hostname and port
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func GetHostParts(uri string) (string, string) {
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tempURI := uri
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if !strings.HasPrefix(tempURI, "http://") && !strings.HasPrefix(tempURI, "https://") {
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tempURI = "https://" + tempURI
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}
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u, err := url.Parse(tempURI)
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if err != nil {
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return "localhost", "8080"
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}
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host := u.Hostname()
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port := u.Port()
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return host, port
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}
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// GetDomainName function to get domain name
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func GetDomainName(uri string) string {
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tempURI := uri
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if !strings.HasPrefix(tempURI, "http://") && !strings.HasPrefix(tempURI, "https://") {
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tempURI = "https://" + tempURI
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}
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u, err := url.Parse(tempURI)
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if err != nil {
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return `localhost`
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}
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host := u.Hostname()
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// code to get root domain in case of sub-domains
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hostParts := strings.Split(host, ".")
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hostPartsLen := len(hostParts)
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if hostPartsLen == 1 {
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return host
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}
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if hostPartsLen == 2 {
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if hostParts[0] == "www" {
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return hostParts[1]
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} else {
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return host
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}
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}
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if hostPartsLen > 2 {
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return strings.Join(hostParts[hostPartsLen-2:], ".")
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}
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return host
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}
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// GetAppURL to get /app url if not configured by user
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func GetAppURL(gc *gin.Context) string {
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envAppURL, err := memorystore.Provider.GetStringStoreEnvVariable(constants.EnvKeyAppURL)
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if envAppURL == "" || err != nil {
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envAppURL = GetHost(gc) + "/app"
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}
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return envAppURL
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}
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