dev-echo-server

dev-echo-server

Simple echo server for development purposes.

Mainly developed to help with the testing of:

• prxi - zero runtime dependency HTTP, HTTP/2 proxy library
• prxi-openid-connect - OpenID Connect reverse proxy for HTTP, HTTP/2 connections

Supports:

• HTTP
• HTTPS
• HTTP/2 h2c
• HTTP/2
• WS
• WSS

Usage

npm i -g dev-echo-server

# generate certificate and key
openssl req -x509 -newkey rsa:2048 -nodes -sha256 -subj '/CN=localhost' -keyout key.pem -out cert.pem

export PATH_CERT=cert.pem
export PATH_KEY=key.pem

dev-echo-server

Ports

Port	Protocol	Environment Variable
7001	HTTP	PORT_HTTP
7002	HTTPS	PORT_HTTPS
7003	HTTP/2 h2c	PORT_HTTP2_H2C
7004	HTTP/2	PORT_HTTP2

Headers

X-Add-Headers

x-add-headers Header can be used to add additional headers to the response. Value should be a JSON object.

Example:

curl http://localhost:7001 \
  -H 'x-add-headers: {"test": "test"}'

Invocation examples

CURL Scripts

# HTTP
curl http://localhost:7001/\?a\=b 

# HTTPS
curl https://localhost:7002/\?a\=b -k

# HTTP/2 h2c
# Upgrade for h2c is not supported by node thus `--http2-prior-knowledge` should be used
curl --http2-prior-knowledge http://localhost:7003/\?a\=b 

# HTTP/2
curl --http2 https://localhost:7004/\?a\=b -k

Socket.IO CLI

npm i -g socket.io-cli

# expose env to trust self-signed certificate
export NODE_EXTRA_CA_CERTS=cert.pem 

# HTTP
socketio http://localhost:7001 

# HTTPS
socketio https://localhost:7002

# HTTP/2 h2c - NOT SUPPORTED

# HTTP/2
socketio https://localhost:7004

# Once connected just type <event> [args] and hit enter