add api-prefix flag for nginx path redirect

README.md

@@ -1,3 +1,4 @@
+
 # ![](https://raw.githubusercontent.com/yudai/gotty/master/resources/favicon.png) GoTTY - Share your terminal as a web application
 
 [![GitHub release](http://img.shields.io/github/release/yudai/gotty.svg?style=flat-square)][release]
@@ -51,6 +52,7 @@ By default, GoTTY starts a web server at port 8080. Open the URL on your web bro
 --port value, -p value        Port number to liten (default: "8080") [$GOTTY_PORT]
 --permit-write, -w            Permit clients to write to the TTY (BE CAREFUL) [$GOTTY_PERMIT_WRITE]
 --credential value, -c value  Credential for Basic Authentication (ex: user:pass, default disabled) [$GOTTY_CREDENTIAL]
+--api-prefix                  Add a prefix string for service [$GOTTY_API_PREFIX]
 --random-url, -r              Add a random string to the URL [$GOTTY_RANDOM_URL]
 --random-url-length value     Random URL length (default: 8) [$GOTTY_RANDOM_URL_LENGTH]
 --tls, -t                     Enable TLS/SSL [$GOTTY_TLS]

server/options.go

@@ -10,6 +10,7 @@ type Options struct {
 	PermitWrite         bool             `hcl:"permit_write" flagName:"permit-write" flagSName:"w" flagDescribe:"Permit clients to write to the TTY (BE CAREFUL)" default:"false"`
 	EnableBasicAuth     bool             `hcl:"enable_basic_auth" default:"false"`
 	Credential          string           `hcl:"credential" flagName:"credential" flagSName:"c" flagDescribe:"Credential for Basic Authentication (ex: user:pass, default disabled)" default:""`
+	ApiPrefix           string           `hcl:"api_prefix" flagName:"api-prefix" flagDescribe:"Add a string to the URL" default:""`
 	EnableRandomUrl     bool             `hcl:"enable_random_url" flagName:"random-url" flagSName:"r" flagDescribe:"Add a random string to the URL" default:"false"`
 	RandomUrlLength     int              `hcl:"random_url_length" flagName:"random-url-length" flagDescribe:"Random URL length" default:"8"`
 	EnableTLS           bool             `hcl:"enable_tls" flagName:"tls" flagSName:"t" flagDescribe:"Enable TLS/SSL" default:"false"`

server/server.go

@@ -4,12 +4,14 @@ import (
 	"context"
 	"crypto/tls"
 	"crypto/x509"
+	"fmt"
 	"html/template"
 	"io/ioutil"
 	"log"
 	"net"
 	"net/http"
 	"regexp"
+	"strings"
 	noesctmpl "text/template"
 	"time"
 
@@ -96,6 +98,9 @@ func (server *Server) Run(ctx context.Context, options ...RunOption) error {
 	counter := newCounter(time.Duration(server.options.Timeout) * time.Second)
 
 	path := "/"
+	if strings.TrimSpace(server.options.ApiPrefix) != "" {
+		path = fmt.Sprintf(`/%s/`, strings.TrimSpace(server.options.ApiPrefix))
+	}
 	if server.options.EnableRandomUrl {
 		path = "/" + randomstring.Generate(server.options.RandomUrlLength) + "/"
 	}