init

.gitignore

@@ -1,23 +1,20 @@
-# Compiled class file
-*.class
+# Virtual machine crash logs
+hs_err_pid*
 
-# Log file
-*.log
+# Gradle build files
+.gradle/
 
-# BlueJ files
-*.ctxt
+# IDEA files
+.idea/
 
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
+# Vertx
+.vertx
 
-# Package Files #
-*.jar
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
+# Build
+build/
 
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
+# Log
+log/
+
+# Config
+config/

.travis.yml

@@ -0,0 +1,11 @@
+language: java
+
+os:
+- linux
+
+jdk:
+- openjdk8
+
+sudo: false
+
+script: gradle test

README.md

@@ -1,2 +1,178 @@
-# zeroproxy
-Multi purpose http proxy server
+# ZeroProxy is a multi purpose http proxy.
+* Support http(https) proxy
+* Support websocket proxy (Not yet)
+* Support multiple targets
+
+
+# Supported protocol
+* http / https
+* ws / wss (Not yet)
+
+
+# Configuration
+
+## app_config.yml
+It's application configuration file.
+```yaml
+# Server port
+port:
+  main_http: 55550
+  main_ws: 55551
+  api_http: 55552
+```
+
+## proxy_config.yml
+It's proxy configuration file.
+```yaml
+# Example-1
+- location: /zeroproxy_example
+  type: round-robin
+  connect_timeout: 3000
+  idle_timeout: 3000
+  targets:
+    - http://1.1.1.1:3000
+
+# Example-2
+- location: /zeroproxy/example
+  type: random
+  connect_timeout: 3000
+  idle_timeout: 3000
+  targets:
+    - http://1.1.1.1:3000
+    - http://1.1.1.1:3001
+
+# Example-3
+- location: /zeroproxy/example/1
+  type: all
+  connect_timeout: 3000
+  idle_timeout: 3000
+  targets:
+    - http://1.1.1.1:3000
+    - http://1.1.1.1:3001
+    - http://1.1.1.1:3002
+
+# Example-4
+- location: /
+  type: round-robin
+  connect_timeout: 3000
+  idle_timeout: 3000
+  targets:
+    - http://1.1.1.1:3000
+```
+
+## logback.xml
+It's Logback configuration file that is famous logging library.
+* You can send error log to Telegram.
+  1. Uncomment *Telegram* configuration.
+  2. Set value of `<botToken>` and `<chatId>`.
+       ```xml
+       <appender name="TELEGRAM" class="com.github.paolodenti.telegram.logback.TelegramAppender">
+           <botToken></botToken>
+           <chatId></chatId>
+           ...
+       </appender>
+       ```
+  3. Insert `<appender-ref ref="TELEGRAM"/>` into `<root>`
+     ```xml
+     <root level="WARN">
+         <appender-ref ref="FILE"/>
+         <appender-ref ref="TELEGRAM"/>
+     </root>
+     ```
+* You can send error log to Slack.
+  1. Uncomment *Slack* configuration.
+  2. Set value of `<webhookUri>`.
+       ```xml
+       <appender name="SLACK_SYNC" class="com.github.maricn.logback.SlackAppender">
+           <webhookUri></webhookUri>
+           ...
+       </appender>
+       ```
+  3. Insert `<appender-ref ref="SLACK"/>` into `<root>`
+     ```xml
+     <root level="WARN">
+         <appender-ref ref="FILE"/>
+         <appender-ref ref="SLACK"/>
+     </root>
+     ```
+* You can reload configuration but need not to restart application.
+
+
+# Server
+ZeroProxy has three servers. 
+One is a http proxy server, another is a websocket proxy server, and the other is a restful API server.
+Restful API server provide application information and additional functions.
+
+## Main HTTP Server
+### Usage
+```html
+http://example.com:{port}/{location}/{path}
+ws://example.com:{port}/{location}/{path}
+```
+* port
+  * Server port
+  * It's *main_http* and *main_ws* in app_config.yml.
+* location
+  * Location
+  * It's *location* in proxy_config.yml
+* path
+  * Target path
+
+### Example
+```html
+http://example.com:55550/zeroproxy/example/test.png
+```
+
+## API HTTP Server
+### Usage
+```html
+http://example.com:{port}/{domain}/{method}
+```
+
+### Example
+```html
+http://example.com:57911/app/status
+http://example.com:57911/app/hello
+http://example.com:57911/app/ping
+```
+
+### API
+#### GET /app/status
+* Get application status and environment.
+##### Response
+```json
+{
+  "data":{
+    "applicationVersion":"0.1.0-alpha.1",
+    "cpuUsage":2.56,
+    "threadInfo":{...},
+    "vmMemoryFree":"190M",
+    "javaVersion":"1.8.0_25",
+    "vmMemoryMax":"3,641M",
+    "currentDate":"2018-09-18T18:48:58.795+09:00",
+    "threadCount":15,
+    "startedDate":"2018-09-18T18:48:40.901+09:00",
+    "javaVendor":"",
+    "runningTimeHour":0,
+    "osName":"Mac OS X",
+    "cpuProcessorCount":4,
+    "vmMemoryTotalFree":"3,585M",
+    "hostname":"",
+    "osVersion":"10.11.6",
+    "jarFile":"code13k-zeroproxy-0.1.0-alpha.1.jar",
+    "vmMemoryAllocated":"245M",
+  }
+}
+```
+#### GET /app/hello
+* Hello, World
+##### Response
+```json
+{"data":"world"}
+```
+
+#### GET /app/ping
+* Ping-Pong
+##### Response
+```json
+{"data":"pong"}

build.gradle

@@ -0,0 +1,99 @@
+plugins {
+    id 'java'
+    id 'application'
+}
+
+/**
+ * Project
+ */
+group 'org.code13k'
+version '0.1.0-alpha.1'
+repositories {
+    jcenter()
+}
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+
+    // Log
+    compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
+    compile group: 'ch.qos.logback', name: 'logback-core', version: '1.2.3'
+    compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'
+    compile group: 'ch.qos.logback', name: 'logback-access', version: '1.2.3'
+
+    // Log for telegram
+    compile group: 'com.github.paolodenti', name: 'telegram-logback', version: '1.2.0'
+
+    // Log for slack
+    compile group: 'com.github.maricn', name: 'logback-slack-appender', version: '1.4.0'
+
+    // Java Compiler (For Logback)
+    compile group: 'org.codehaus.janino', name: 'janino', version: '3.0.8'
+
+    // SnakeYAML (YAML Library)
+    compile group: 'org.yaml', name: 'snakeyaml', version: '1.21'
+
+    // Gson (Json Library)
+    compile group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
+
+    // Vert.x (Http Library)
+    compile group: 'io.vertx', name: 'vertx-core', version: '3.5.3'
+    compile group: 'io.vertx', name: 'vertx-web', version: '3.5.3'
+    compile group: 'io.vertx', name: 'vertx-web-client', version: '3.5.3'
+    compile group: 'io.vertx', name: 'vertx-codegen', version: '3.5.3'
+
+    // Util
+    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.7'
+    compile group: 'commons-io', name: 'commons-io', version: '2.6'
+    compile group: 'commons-codec', name: 'commons-codec', version: '1.11'
+    compile group: 'com.google.guava', name: 'guava', version: '26.0-jre'
+}
+
+/**
+ * Java Plugin
+ */
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+jar {
+    baseName = 'code13k-zeroproxy'
+    manifest {
+        attributes(
+                'Implementation-Title': 'Code13k ZeroProxy',
+                'Implementation-Version': version,
+                'Main-Class': 'org.code13k.zeroproxy.Main'
+        )
+    }
+    from {
+        configurations.runtime.collect {
+            it.isDirectory() ? it : zipTree(it)
+        }
+        configurations.compile.collect {
+            it.isDirectory() ? it : zipTree(it)
+        }
+    }
+    exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA'
+}
+compileJava {
+    options.encoding = 'UTF-8'
+    options.compilerArgs << "-Xlint:deprecation"
+}
+compileTestJava {
+    options.encoding = 'UTF-8'
+    options.compilerArgs << "-Xlint:deprecation"
+}
+
+/**
+ * Application Plugin
+ */
+mainClassName = 'org.code13k.zeroproxy.Main'
+
+/**
+ * Custom
+ */
+task runJar(dependsOn: jar) {
+    doLast {
+        javaexec {
+            main = "-jar"
+            args = [jar.archivePath]
+        }
+    }
+}

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue Sep 18 00:39:54 KST 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8-all.zip