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https://github.com/sorenisanerd/gotty.git
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feat: add support for specifying custom querystring arguments
This allows folks to implement token-based authentication for websocket access. Closes #82
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@ -75,6 +75,7 @@ By default, GoTTY starts a web server at port 8080. Open the URL on your web bro
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--width value Static width of the screen, 0(default) means dynamically resize (default: 0) [$GOTTY_WIDTH]
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--height value Static height of the screen, 0(default) means dynamically resize (default: 0) [$GOTTY_HEIGHT]
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--ws-origin value A regular expression that matches origin URLs to be accepted by WebSocket. No cross origin requests are acceptable by default [$GOTTY_WS_ORIGIN]
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--ws-query-args value Querystring arguments to append to the websocket instantiation [$GOTTY_WS_QUERY_ARGS]
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--enable-webgl Enable WebGL renderer (default: true) [$GOTTY_ENABLE_WEBGL]
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--close-signal value Signal sent to the command process when gotty close it (default: SIGHUP) (default: 1) [$GOTTY_CLOSE_SIGNAL]
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--close-timeout value Time in seconds to force kill process after client is disconnected (default: -1) (default: -1) [$GOTTY_CLOSE_TIMEOUT]
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@ -1,10 +1,11 @@
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import { OurXterm } from "./xterm";
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import { Terminal, WebTTY, protocols } from "./webtty";
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import { ConnectionFactory } from "./websocket";
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import { Terminal, WebTTY, protocols } from "./webtty";
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import { OurXterm } from "./xterm";
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// @TODO remove these
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declare var gotty_auth_token: string;
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declare var gotty_term: string;
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declare var gotty_ws_query_args: string;
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const elem = document.getElementById("terminal")
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@ -13,7 +14,8 @@ if (elem !== null) {
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term = new OurXterm(elem);
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const httpsEnabled = window.location.protocol == "https:";
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const url = (httpsEnabled ? 'wss://' : 'ws://') + window.location.host + window.location.pathname + 'ws';
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const queryArgs = (gotty_ws_query_args === "") ? "" : "?" + gotty_ws_query_args;
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const url = (httpsEnabled ? 'wss://' : 'ws://') + window.location.host + window.location.pathname + 'ws' + queryArgs;
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const args = window.location.search;
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const factory = new ConnectionFactory(url, protocols);
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const wt = new WebTTY(term, factory, args, gotty_auth_token);
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@ -8,6 +8,7 @@ import (
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"log"
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"net/http"
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"net/url"
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"strings"
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"sync/atomic"
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"github.com/gorilla/websocket"
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@ -233,7 +234,12 @@ func (server *Server) handleAuthToken(w http.ResponseWriter, r *http.Request) {
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func (server *Server) handleConfig(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/javascript")
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w.Write([]byte("var gotty_term = 'xterm';"))
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lines := []string{
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"var gotty_term = 'xterm';",
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"var gotty_ws_query_args = '" + server.options.WSQueryArgs + "';",
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}
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w.Write([]byte(strings.Join(lines, "\n")))
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}
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// titleVariables merges maps in a specified order.
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@ -26,10 +26,11 @@ type Options struct {
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Once bool `hcl:"once" flagName:"once" flagDescribe:"Accept only one client and exit on disconnection" default:"false"`
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Timeout int `hcl:"timeout" flagName:"timeout" flagDescribe:"Timeout seconds for waiting a client(0 to disable)" default:"0"`
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PermitArguments bool `hcl:"permit_arguments" flagName:"permit-arguments" flagDescribe:"Permit clients to send command line arguments in URL (e.g. http://example.com:8080/?arg=AAA&arg=BBB)" default:"false"`
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PassHeaders bool `hcl:"pass_headers" flagName:"pass-headers" flagDescribe:"Pass HTTP request headers as environment variables (e.g. Cookie becomes HTTP_COOKIE)" default:"false"`
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PassHeaders bool `hcl:"pass_headers" flagName:"pass-headers" flagDescribe:"Pass HTTP request headers as environment variables (e.g. Cookie becomes HTTP_COOKIE)" default:"false"`
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Width int `hcl:"width" flagName:"width" flagDescribe:"Static width of the screen, 0(default) means dynamically resize" default:"0"`
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Height int `hcl:"height" flagName:"height" flagDescribe:"Static height of the screen, 0(default) means dynamically resize" default:"0"`
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WSOrigin string `hcl:"ws_origin" flagName:"ws-origin" flagDescribe:"A regular expression that matches origin URLs to be accepted by WebSocket. No cross origin requests are acceptable by default" default:""`
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WSQueryArgs string `hcl:"ws_query_args" flagName:"ws-query-args" flagDescribe:"Querystring arguments to append to the websocket instantiation" default:""`
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EnableWebGL bool `hcl:"enable_webgl" flagName:"enable-webgl" flagDescribe:"Enable WebGL renderer" default:"true"`
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Quiet bool `hcl:"quiet" flagName:"quiet" flagDescribe:"Don't log" default:"false"`
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