Change to standalone broker.

https://snowflake-reg-test.appspot.com/ for the client (needs domain fronting)
https://snowflake-broker.bamsoftware.com/ for the proxies (no fronting)

Note that fronting to App Engine doesn't currently actually work because
of https://bugs.torproject.org/25804; this commit doesn't change that.

README.md

@@ -56,7 +56,7 @@ For example:
 
 ```
 ClientTransportPlugin snowflake exec ./client \
--url https://snowflake-reg.appspot.com/ \
+-url https://snowflake-reg-test.appspot.com/ \
 -front www.google.com \
 -ice stun:stun.l.google.com:19302
 -max 3

client/README.md

@@ -7,7 +7,7 @@ It is based on goptlib.
 The client uses these following `torrc` options by default:
 ```
 ClientTransportPlugin snowflake exec ./client \
--url https://snowflake-reg.appspot.com/ \
+-url https://snowflake-reg-test.appspot.com/ \
 -front www.google.com \
 -ice stun:stun.l.google.com:19302
 ```

client/torrc

@@ -2,7 +2,7 @@ UseBridges 1
 DataDirectory datadir
 
 ClientTransportPlugin snowflake exec ./client \
--url https://snowflake-reg.appspot.com/ \
+-url https://snowflake-reg-test.appspot.com/ \
 -front www.google.com \
 -ice stun:stun.l.google.com:19302 \
 -max 3

proxy-go/snowflake.go

@@ -22,7 +22,7 @@ import (
 	"golang.org/x/net/websocket"
 )
 
-const defaultBrokerURL = "https://snowflake-reg.appspot.com/"
+const defaultBrokerURL = "https://snowflake-broker.bamsoftware.com/"
 const defaultRelayURL = "wss://snowflake.bamsoftware.com/"
 const defaultSTUNURL = "stun:stun.l.google.com:19302"
 const pollInterval = 5 * time.Second

proxy/README.md

@@ -32,7 +32,7 @@ To run locally, either:
 With no parameters,
 snowflake uses the default relay `snowflake.bamsoftware.com:443` and
 uses automatic signaling with the default broker at
-`https://snowflake-reg.appspot.com/`.
+`https://snowflake-broker.bamsoftware.com/`.
 
 Here are optional parameters to include in the query string.
 ```

proxy/snowflake.coffee

@@ -11,7 +11,7 @@ TODO: More documentation
 
 # General snowflake proxy constants.
 # For websocket-specific constants, see websocket.coffee.
-DEFAULT_BROKER = 'snowflake-reg.appspot.com'
+DEFAULT_BROKER = 'snowflake-broker.bamsoftware.com'
 DEFAULT_RELAY =
   host: 'snowflake.bamsoftware.com'
   port: '443'