.env.example

@@ -1,3 +1,3 @@
-MYURLS_PORT=8080
+MYURLS_PORT=8002
 MYURLS_DOMAIN=example.com
-MYURLS_PROTO=https
+MYURLS_TTL=180

.github/workflows/go.yml

@@ -2,18 +2,17 @@ name: Github CI
 
 on:
   push:
-    branches: 
+    branches: [master]
-      - '*'
 
 jobs:
   linux_amd64_build:
     name: Linux amd64 build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.22
+      - name: Set up Go 1.21
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v4
         with:
-          go-version: '^1.22.1'
+          go-version: '^1.21.6'
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@master
@@ -32,10 +31,10 @@ jobs:
     runs-on: ubuntu-latest
     # runs-on: self-hosted
     steps:
-      - name: Set up Go 1.22
+      - name: Set up Go 1.21
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v4
         with:
-          go-version: '^1.22.1'
+          go-version: '^1.21.6'
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@master
@@ -53,10 +52,10 @@ jobs:
   #   name: Darwin amd64 build
   #   runs-on: ubuntu-latest
   #   steps:
-  #     - name: Set up Go 1.22
+  #     - name: Set up Go 1.21
-  #       uses: actions/setup-go@v5
+  #       uses: actions/setup-go@v4
   #       with:
-  #         go-version: '^1.22.1'
+  #         go-version: '^1.21.6'
   #       id: go
   #     - name: Check out code into the Go module directory
   #       uses: actions/checkout@master
@@ -74,10 +73,10 @@ jobs:
     name: Windows x64 build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.22
+      - name: Set up Go 1.21
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v4
         with:
-          go-version: '^1.22.1'
+          go-version: '^1.21.6'
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@master

.gitignore

@@ -2,8 +2,6 @@
 build/
 logs/
 data/
-*.log
 
 .env
 dist/
-MyUrls 

Dockerfile

@@ -1,14 +1,14 @@
-FROM golang:1.22-alpine AS build
+FROM golang:1.21-alpine AS build
+RUN apk update && apk add upx
 WORKDIR /app
-COPY . .
+COPY main.go go.mod go.sum .
-
+RUN go mod tidy
-# RUN go env -w GOPROXY=https://mirrors.cloud.tencent.com/go/,direct
+RUN CGO_ENABLED=0 go build -ldflags="-s -w" -o myurls main.go \
-RUN go mod download
+    && upx myurls
-RUN CGO_ENABLED=0 go build -ldflags="-s -w" -o myurls
 
 FROM scratch
 WORKDIR /app
 COPY --from=build /app/myurls ./
 COPY public/* ./public/
-EXPOSE 8080
+EXPOSE 8002
 ENTRYPOINT ["/app/myurls"]

Makefile

@@ -5,40 +5,41 @@ BINARY_DARWIN_ARM64="build/myurls-darwin-arm64"
 BINARY_WINDOWS="build/myurls-windows-x64"
 BINARY_ARM64="build/myurls-linux-arm64"
 
+GOFILES="main.go"
 VERSION=1.0.0
 BUILD=`date +%FT%T%z`
 
 default:
 	@echo ${BINARY_DEFAULT}
-	@CGO_ENABLED=0 go build -ldflags="-s -w" -o ${BINARY_DEFAULT}
+	@CGO_ENABLED=0 go build -ldflags="-s -w" -o ${BINARY_DEFAULT} ${GOFILES}
 
 all:
 	@echo ${BINARY_LINUX}
-	@CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_LINUX}
+	@CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_LINUX} ${GOFILES}
 	# @echo ${BINARY_DARWIN}
-	# @CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_DARWIN}
+	# @CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_DARWIN} ${GOFILES}
 	# @echo ${BINARY_DARWIN_ARM64}
-	# @CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-s -w" -o ${BINARY_DARWIN_ARM64}
+	# @CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-s -w" -o ${BINARY_DARWIN_ARM64} ${GOFILES}
 	@echo ${BINARY_WINDOWS}
-	@CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_WINDOWS}
+	@CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_WINDOWS} ${GOFILES}
 	@echo ${BINARY_ARM64}
-	@CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o ${BINARY_ARM64}
+	@CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o ${BINARY_ARM64} ${GOFILES}
 
 linux:
 	@echo ${BINARY_LINUX}
-	@CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_LINUX}
+	@CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_LINUX} ${GOFILES}
 
 darwin:
 	@echo ${BINARY_DARWIN}
-	@CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_DARWIN}
+	@CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_DARWIN} ${GOFILES}
 
 windows:
 	@echo ${BINARY_WINDOWS}
-	@CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_WINDOWS}
+	@CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o ${BINARY_WINDOWS} ${GOFILES}
 
 aarch64:
 	@echo ${BINARY_ARM64}
-	@CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o ${BINARY_ARM64}
+	@CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o ${BINARY_ARM64} ${GOFILES}
 
 install:
 	@go mod tidy

README.md

@@ -1,11 +1,15 @@
 # MyUrls
 
-基于 Go 1.22 与 Redis 实现的本地短链接服务，用于缩短 URL 与短链接还原。
+基于 Go 1.21 与 Redis 实现的本地短链接服务，用于缩短 URL 与短链接还原。
 
 ## Table of Contents
 
 - [Dependencies](#dependencies)
   - [Docker](#docker)
+  - [Deploy Online](#deploy-online)
+    - [Deploy on Railway](#deploy-on-railway)
+      - [部署](#部署)
+      - [添加域名](#添加域名)
   - [Install](#install)
   - [Usage](#usage)
     - [日志清理](#日志清理)
@@ -31,7 +35,7 @@ sudo apt-get install redis-server -y
 现在你可以无需安装其他服务，使用 docker 或 [docker-compose](https://docs.docker.com/compose/install/) 部署本项目。注：请自行修改 .env 中参数。
 
 ```
-docker run -d --restart always --name myurls careywong/myurls:latest -domain example.com -port 8002 -conn 127.0.0.1:6379 -password ''
+docker run -d --restart always --name myurls careywong/myurls:latest -domain example.com -port 8002 -conn 127.0.0.1:6379 -passwd '' -ttl 90
 ```
 
 ```shell script
@@ -42,6 +46,25 @@ cp .env.example .env
 
 docker-compose up -d
 ```
+## Deploy Online 
+
+### Deploy on Railway
+
+#### 部署
+
+[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/new/template?template=https%3A%2F%2Fgithub.com%2Fpzcn%2FMyurls-Railway&plugins=redis&envs=ENV_DOMAIN%2CENV_TTL%2CPORT&ENV_DOMAINDesc=Your+domain.&ENV_TTLDesc=Short+link+validity+period+%28day%29&PORTDesc=DO+NOT+CHANGE&ENV_TTLDefault=180&PORTDefault=80)
+
+通过上方链接一键部署到Railway，并填入以下参数
+
+参数说明：
+
+- `DOMAIN` - 短链接域名，必填项，不需要添加https:// (如 abc.com)
+- `TTL` - 短链接有效期，单位(天)，默认180天 (default 180)
+- `PORT` - 端口，保持80，请勿修改
+
+#### 添加域名
+
+在Cloudflare中添加域名，并配置SSL/TLS为完全及以上，并在Railway中接入该域名，参考[官方文档](https://docs.railway.app/deploy/exposing-your-app#lets-encrypt-ssl-certificates)。
 
 ## Install
 
@@ -54,7 +77,7 @@ make install
 生成可执行文件，目录位于 build/ 。默认当前平台，其他平台请参照 Makefile 或执行对应 go build 命令。
 
 ```shell script
-make
+bash release.sh
 ```
 
 ## Usage
@@ -62,18 +85,17 @@ make
 前往 [Actions](https://github.com/CareyWang/MyUrls/actions/workflows/go.yml) 下载对应平台可执行文件。
 
 ```shell script
-Usage of ./MyUrls:
+Usage:
   -conn string
-        address of the redis server (default "localhost:6379")
+        Redis连接，格式: host:port (default "127.0.0.1:6379")
   -domain string
-        domain of the server (default "localhost:8080")
+        短链接域名，必填项
-  -h    display help
+  -passwd string
-  -password string
+        Redis连接密码
-        password of the redis server
+  -port int
-  -port string
+        服务端口 (default 8002)
-        port to run the server on (default "8080")
+  -ttl int
-  -proto string
+        短链接有效期，单位(天)，默认180天。 (default 180)
-        protocol of the server (default "https")
 ```
 
 建议配合 [pm2](https://pm2.keymetrics.io/) 开启守护进程。

const.go

@@ -1,13 +0,0 @@
-package main
-
-type Response struct {
-	Code int    `json:"Code"`
-	Msg  string `json:"Message"`
-	Data any    `json:"Data"`
-}
-
-// Response codes
-const ResponseCodeSuccess = 0             // Success
-const ResponseCodeSuccessLegacy = 1       // Success
-const ResponseCodeParamsCheckError = 1001 // Parameter check error
-const ResponseCodeServerError = 1002      // Server error

docker-compose.yaml

@@ -6,15 +6,15 @@ services:
     restart: always
     env_file: .env
     ports:
-      - "${MYURLS_PORT}:${MYURLS_PORT}"
+      - "${MYURLS_PORT}:8002"
     volumes:
       - ./data/myurls/logs:/app/logs      
     depends_on:
       - myurls-redis
-    entrypoint: ["/app/myurls", "-domain", "${MYURLS_DOMAIN}", "-conn", myurls-redis:6379]
+    entrypoint: ["/app/myurls", "-domain", "${MYURLS_DOMAIN}", "-conn", myurls-redis:6379, "-ttl", "${MYURLS_TTL}"]
 
   myurls-redis:
-    image: "redis:7"
+    image: "redis:6"
     container_name: myurls-redis
     restart: always
     volumes:

go.mod

@@ -1,46 +1,39 @@
 module github.com/CareyWang/MyUrls
 
-go 1.22
+go 1.20
 
 require (
 	github.com/gin-gonic/gin v1.9.1
-	github.com/redis/go-redis/v9 v9.5.1
+	github.com/gomodule/redigo v1.8.9
-	github.com/stretchr/testify v1.9.0
+	github.com/sirupsen/logrus v1.9.3
-	go.uber.org/zap v1.27.0
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
 require (
-	github.com/bytedance/sonic v1.11.3 // indirect
+	github.com/bytedance/sonic v1.10.2 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
 	github.com/chenzhuoyu/iasm v0.9.1 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.19.0 // indirect
+	github.com/go-playground/validator/v10 v10.17.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.6 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
-	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/leodido/go-urn v1.3.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.12 // indirect
-	go.uber.org/multierr v1.10.0 // indirect
 	golang.org/x/arch v0.7.0 // indirect
-	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/crypto v0.18.0 // indirect
-	golang.org/x/net v0.22.0 // indirect
+	golang.org/x/net v0.20.0 // indirect
-	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/sys v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,13 +1,7 @@
-github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
-github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
-github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
-github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
 github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
-github.com/bytedance/sonic v1.11.3 h1:jRN+yEjakWh8aK5FzrciUHG8OFXK+4/KrAX/ysEtHAA=
+github.com/bytedance/sonic v1.10.2 h1:GQebETVBxYB7JGWJtLBi07OVzWwt+8dWA00gEVW2ZFE=
-github.com/bytedance/sonic v1.11.3/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
+github.com/bytedance/sonic v1.10.2/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
 github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
@@ -19,8 +13,6 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
 github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
@@ -28,23 +20,23 @@ github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm
 github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
 github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
-github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.19.0 h1:ol+5Fu+cSq9JD7SoSqe04GMI92cbn0+wvQ3bZ8b/AU4=
+github.com/go-playground/validator/v10 v10.17.0 h1:SmVVlfAOtlZncTxRuinDPomC2DkXJ4E5T9gDA0AIH74=
-github.com/go-playground/validator/v10 v10.19.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
+github.com/go-playground/validator/v10 v10.17.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
+github.com/gomodule/redigo v1.8.9 h1:Sl3u+2BI/kk+VEatbj0scLdrFhjPmbxOc1myhDP41ws=
+github.com/gomodule/redigo v1.8.9/go.mod h1:7ArFNvsTjH8GMMzB4uy1snslv2BwmginuMs06a1uzZE=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
-github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
+github.com/klauspost/cpuid/v2 v2.2.6 h1:ndNyv040zDGIDh8thGkXYjnFtiN02M1PVVF+JE/48xc=
-github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
+github.com/klauspost/cpuid/v2 v2.2.6/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
@@ -54,8 +46,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
+github.com/leodido/go-urn v1.3.0 h1:jX8FDLfW4ThVXctBNZ+3cIWnCSnrACDV73r76dy0aQQ=
-github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
+github.com/leodido/go-urn v1.3.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -63,60 +55,50 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
-github.com/pelletier/go-toml/v2 v2.2.0 h1:QLgLl2yMN7N+ruc31VynXs1vhMZa7CeHHejIeBAsoHo=
+github.com/pelletier/go-toml/v2 v2.1.1 h1:LWAJwfNvjQZCFIDKWYQaM62NcYeYViCmWIwmOStowAI=
-github.com/pelletier/go-toml/v2 v2.2.0/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
+github.com/pelletier/go-toml/v2 v2.1.1/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/redis/go-redis/v9 v9.5.1 h1:H1X4D3yHPaYrkL5X06Wh6xNVM/pX0Ft4RV0vMGvLBh8=
-github.com/redis/go-redis/v9 v9.5.1/go.mod h1:hdY0cQFCN4fnSYT6TkisLufl/4W5UIXyv0b/CLO2V2M=
 github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
 github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
-github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
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 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65EE=
 github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
-go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
-go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
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 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.7.0 h1:pskyeJh/3AmoQ8CPE95vxHLqp1G1GfGNXTmcl9NEKTc=
 golang.org/x/arch v0.7.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
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-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
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-golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
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-golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
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 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
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-gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
-gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
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handlers.go

@@ -1,112 +0,0 @@
-package main
-
-import (
-	"encoding/base64"
-	"time"
-
-	"github.com/gin-gonic/gin"
-)
-
-const defaultTTL = time.Hour * 24 * 365 // 默认过期时间，1年
-const defaultRenewTime = time.Hour * 48 // 默认续命时间，2天
-const defaultShortKeyLength = 7         // 默认短链接长度，7位
-
-// ShortToLongHandler gets the long URL from a short URL
-func ShortToLongHandler() gin.HandlerFunc {
-	return func(c *gin.Context) {
-		resp := Response{}
-		shortKey := c.Param("shortKey")
-		longURL := ShortToLong(c, shortKey)
-		if longURL == "" {
-			resp.Code = ResponseCodeServerError
-			resp.Msg = "failed to get long URL, please check the short URL if exists or expired"
-
-			c.JSON(404, resp)
-			return
-		}
-
-		// todo
-		// check whether need renew expiration time
-		// only renew once per day
-		// if err := Renew(c, shortKey, defaultRenewTime); err != nil {
-		// 	logger.Warn("failed to renew short URL: ", err.Error())
-		// }
-
-		c.Redirect(301, longURL)
-	}
-}
-
-type LongToShortParams struct {
-	LongUrl  string `form:"longUrl" json:"longUrl" binding:"required"`
-	ShortKey string `form:"shortKey" json:"shortKey" binding:"omitempty"`
-}
-
-// LongToShortHandler creates a short URL from a long URL
-func LongToShortHandler() gin.HandlerFunc {
-	return func(c *gin.Context) {
-		resp := Response{}
-
-		// check parameters
-		req := LongToShortParams{}
-		if err := c.ShouldBind(&req); err != nil {
-			resp.Code = ResponseCodeParamsCheckError
-			resp.Msg = "invalid parameters"
-			logger.Warn("invalid parameters: ", err.Error())
-
-			c.JSON(200, resp)
-			return
-		}
-
-		// 兼容以前的实现，这里如果是 base64 编码的字符串，进行解码
-		_longUrl, err := base64.StdEncoding.DecodeString(req.LongUrl)
-		if err == nil {
-			req.LongUrl = string(_longUrl)
-		}
-
-		// generate short key
-		if req.ShortKey == "" {
-			req.ShortKey = GenerateRandomString(defaultShortKeyLength)
-		}
-		// check whether short key exists
-		exists, err := CheckRedisKeyIfExist(c, req.ShortKey)
-		if err != nil {
-			resp.Code = ResponseCodeServerError
-			resp.Msg = "failed to check short key"
-			logger.Error("failed to check short key: ", err.Error())
-
-			c.JSON(200, resp)
-			return
-		}
-		if exists {
-			resp.Code = ResponseCodeParamsCheckError
-			resp.Msg = "short key already exists, please use another one or leave it empty to generate automatically"
-
-			logger.Info("short key already exists: ", req.ShortKey)
-			c.JSON(200, resp)
-			return
-		}
-
-		options := &LongToShortOptions{
-			ShortKey:   req.ShortKey,
-			URL:        req.LongUrl,
-			expiration: defaultTTL,
-		}
-		if err := LongToShort(c, options); err != nil {
-			resp.Code = ResponseCodeServerError
-			resp.Msg = "failed to create short URL"
-			logger.Warn("failed to create short URL: ", err.Error())
-
-			c.JSON(200, resp)
-			return
-		}
-
-		shortURL := proto + "://" + domain + "/" + options.ShortKey
-
-		// 兼容以前的返回结构体
-		respDataLegacy := gin.H{
-			"Code":     ResponseCodeSuccessLegacy,
-			"ShortUrl": shortURL,
-		}
-		c.JSON(200, respDataLegacy)
-	}
-}

logger.go

@@ -1,112 +0,0 @@
-package main
-
-import (
-	"os"
-	"path"
-	"time"
-
-	"github.com/gin-gonic/gin"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"gopkg.in/natefinch/lumberjack.v2"
-)
-
-var logger *zap.SugaredLogger
-
-const (
-	logFileMaxSize    = 50    // 日志文件最大大小（MB）
-	logFileMaxBackups = 10    // 最多保留的备份文件数量
-	logFileMaxAge     = 7     // 日志文件最长保留天数
-	logFileCompress   = false // 是否压缩备份文件
-)
-
-func InitLogger() {
-	// 创建 logs 目录
-	createLogPath()
-
-	// 初始化 zap logger
-	initZapLogger()
-}
-
-// createLogPath 创建 logs 目录
-func createLogPath() error {
-	if dir, err := os.Getwd(); err == nil {
-		logFilePath := dir + "/logs/"
-		if err := os.MkdirAll(logFilePath, 0777); err != nil {
-			panic("create log path failed: " + err.Error())
-		}
-	}
-	return nil
-}
-
-// getLogPath 获取 logs 目录
-func getLogPath() string {
-	if dir, err := os.Getwd(); err == nil {
-		return dir + "/logs/"
-	}
-	return ""
-}
-
-// 定义 zap logger
-func initZapLogger() {
-	encoder := getEncoder()
-	core := zapcore.NewCore(encoder, zapcore.AddSync(os.Stdout), zapcore.DebugLevel)
-
-	logger = zap.New(core).Sugar()
-}
-
-// getEncoder 获取 zap encoder
-func getEncoder() zapcore.Encoder {
-	return zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig())
-}
-
-// initGinLogger 初始化 gin logger
-func initGinLogger() *zap.Logger {
-	logPath := getLogPath()
-	logFileName := "access.log"
-
-	// 日志文件
-	logFile := path.Join(logPath, logFileName)
-
-	lumberJackLogger := &lumberjack.Logger{
-		Filename:   logFile,
-		MaxSize:    logFileMaxSize,    // 日志文件最大大小（MB）
-		MaxBackups: logFileMaxBackups, // 最多保留的备份文件数量
-		MaxAge:     logFileMaxAge,     // 日志文件最长保留天数
-		Compress:   logFileCompress,   // 是否压缩备份文件
-	}
-	writeSyncer := zapcore.AddSync(lumberJackLogger)
-
-	encoderConfig := zap.NewProductionEncoderConfig()
-	encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
-	encoderConfig.EncodeLevel = zapcore.CapitalLevelEncoder
-	encoderConfig.EncodeCaller = nil
-	encoderConfig.EncodeDuration = zapcore.SecondsDurationEncoder
-	encoder := zapcore.NewConsoleEncoder(encoderConfig)
-
-	core := zapcore.NewCore(encoder, writeSyncer, zapcore.InfoLevel)
-
-	return zap.New(core, zap.AddCaller())
-}
-
-// initServiceLogger 初始化服务日志
-func initServiceLogger() gin.HandlerFunc {
-	_logger := initGinLogger()
-	return func(c *gin.Context) {
-		start := time.Now()
-		path := c.Request.URL.Path
-
-		c.Next()
-
-		_logger.Info(
-			"request",
-			zap.String("time", start.Format(time.RFC3339)),
-			zap.String("method", c.Request.Method),
-			zap.String("ip", c.ClientIP()),
-			zap.String("user-agent", c.Request.UserAgent()),
-			zap.String("path", path),
-			zap.Int("status", c.Writer.Status()),
-			zap.Duration("latency", time.Since(start)),
-		)
-	}
-}

logic.go

@@ -1,52 +0,0 @@
-package main
-
-import (
-	"context"
-	"time"
-)
-
-// ShortToLong gets the long URL from a short URL
-func ShortToLong(ctx context.Context, shortKey string) string {
-	rc := GetRedisClient()
-	return rc.Get(ctx, shortKey).Val()
-}
-
-// LongToShortOptions are the options for the LongToShort function
-type LongToShortOptions struct {
-	ShortKey   string
-	URL        string
-	expiration time.Duration
-}
-
-// LongToShort creates a short URL from a long URL
-func LongToShort(ctx context.Context, options *LongToShortOptions) error {
-	rc := GetRedisClient()
-	return rc.SetEx(ctx, options.ShortKey, options.URL, options.expiration).Err()
-}
-
-// Renew updates the expiration time of a short URL
-func Renew(ctx context.Context, shortKey string, expiration time.Duration) error {
-	rc := GetRedisClient()
-
-	rs := rc.TTL(ctx, shortKey)
-	if rs.Err() != nil {
-		return rs.Err()
-	}
-
-	ttl := rs.Val()
-	if ttl < 0 {
-		return nil
-	}
-
-	return rc.Expire(ctx, shortKey, ttl+expiration).Err()
-}
-
-func CheckRedisKeyIfExist(ctx context.Context, key string) (bool, error) {
-	rc := GetRedisClient()
-	rs := rc.Exists(ctx, key)
-	if rs.Err() != nil {
-		return false, rs.Err()
-	}
-
-	return rs.Val() > 0, nil
-}

logic_test.go

@@ -1,31 +0,0 @@
-// FILEPATH: /root/CareyWang/MyUrls/logic_test.go
-
-package main
-
-import (
-	"context"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestLongToShortAndShortToLong(t *testing.T) {
-	ctx := context.Background()
-	initRedisClient(mockRedisOptions)
-
-	shortKey := "testKey"
-	longURL := "https://example.com"
-
-	err := LongToShort(ctx, &LongToShortOptions{
-		ShortKey:   shortKey,
-		URL:        longURL,
-		expiration: 60 * time.Second,
-	})
-	assert.NoError(t, err)
-	// delete test data from redis
-	defer GetRedisClient().Del(ctx, shortKey)
-
-	resultLongURL := ShortToLong(ctx, shortKey)
-	assert.Equal(t, longURL, resultLongURL)
-}

main.go

@@ -1,102 +1,107 @@
 package main
 
 import (
-	"context"
+	"crypto/md5"
+	"encoding/base64"
+	"encoding/hex"
 	"flag"
 	"fmt"
+	"log"
+	"math/rand"
 	"net/http"
 	"os"
+	"path"
+	"time"
 
 	"github.com/gin-gonic/gin"
-	"github.com/redis/go-redis/v9"
+	"github.com/gomodule/redigo/redis"
+	"github.com/sirupsen/logrus"
 )
 
-var helpFlag bool
+// Response is the response structure
-
+type Response struct {
-var (
+	Code     int
-	port          = "8080"
+	Message  string
-	domain        = "localhost:8080"
+	LongUrl  string
-	proto         = "https"
+	ShortUrl string
-	redisAddr     = "localhost:6379"
-	redisPassword = ""
-)
-
-func init() {
-	flag.BoolVar(&helpFlag, "h", false, "display help")
-
-	flag.StringVar(&port, "port", port, "port to run the server on")
-	flag.StringVar(&domain, "domain", domain, "domain of the server")
-	flag.StringVar(&proto, "proto", proto, "protocol of the server")
-	flag.StringVar(&redisAddr, "conn", redisAddr, "address of the redis server")
-	flag.StringVar(&redisPassword, "password", redisPassword, "password of the redis server")
 }
 
+// redisPoolConf is the Redis pool configuration.
+type redisPoolConf struct {
+	maxIdle        int
+	maxActive      int
+	maxIdleTimeout int
+	host           string
+	password       string
+	db             int
+	handleTimeout  int
+}
+
+// letterBytes is a string containing all the characters used in the short URL generation.
+const letterBytes = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+// shortUrlLen is the length of the generated short URL.
+const shortUrlLen = 7
+
+// defaultPort is the default port number.
+const defaultPort int = 8002
+
+// defaultExpire is the redis ttl in days for a short URL.
+const defaultExpire = 180
+
+// defaultRedisConfig is the default Redis configuration.
+const defaultRedisConfig = "127.0.0.1:6379"
+
+// defaultLockPrefix is the default prefix for Redis locks.
+const defaultLockPrefix = "myurls:lock:"
+
+// defaultRenewal is the default renewal time for Redis locks.
+const defaultRenewal = 1
+
+// secondsPerDay is the number of seconds in a day.
+const secondsPerDay = 24 * 3600
+
+// redisPool is a connection pool for Redis.
+var redisPool *redis.Pool
+
+// redisPoolConfig is the Redis pool configuration.
+var redisPoolConfig *redisPoolConf
+
+// redisClient is a Redis client.
+var redisClient redis.Conn
+
 func main() {
-	flag.Parse()
-	if helpFlag {
-		flag.Usage()
-		os.Exit(0)
-	}
-
-	// 从环境变量中读取配置，且环境变量优先级高于命令行参数
-	parseEnvirons()
-
-	InitLogger()
-
-	// init and check redis
-	initRedisClient(&redis.Options{
-		Addr:     redisAddr,
-		Password: redisPassword,
-		DB:       0,
-	})
-
-	ctx := context.Background()
-	rc := GetRedisClient()
-	rs := rc.Ping(ctx)
-	if rs.Err() != nil {
-		logger.Fatalln("redis ping failed: ", rs.Err())
-	}
-	logger.Info("redis ping success")
-
-	// GC optimize
-	ballast := make([]byte, 1<<30) // 预分配 1G 内存，不会实际占用物理内存，不可读写该变量
-	defer func() {
-		logger.Info("ballast len %v", len(ballast))
-	}()
-
-	// start http server
-	run()
-}
-
-func parseEnvirons() {
-	if p := os.Getenv("MYURLS_PORT"); p != "" {
-		port = p
-	}
-	if d := os.Getenv("MYURLS_DOMAIN"); d != "" {
-		domain = d
-	}
-	if p := os.Getenv("MYURLS_PROTO"); p != "" {
-		proto = p
-	}
-	if c := os.Getenv("MYURLS_REDIS_CONN"); c != "" {
-		redisAddr = c
-	}
-	if p := os.Getenv("MYURLS_REDIS_PASSWORD"); p != "" {
-		redisPassword = p
-	}
-}
-
-func run() {
-	// init and run server
 	gin.SetMode(gin.ReleaseMode)
 	router := gin.Default()
 
-	// logger
+	// Log 收集中间件
-	router.Use(initServiceLogger())
+	router.Use(LoggerToFile())
 
-	// static files
 	router.LoadHTMLGlob("public/*.html")
-	router.StaticFile("/logo.png", "public/logo.png")
+
+	port := flag.Int("port", defaultPort, "服务端口")
+	domain := flag.String("domain", "", "短链接域名，必填项")
+	ttl := flag.Int("ttl", defaultExpire, "短链接有效期，单位(天)，默认180天。")
+	conn := flag.String("conn", defaultRedisConfig, "Redis连接，格式: host:port")
+	passwd := flag.String("passwd", "", "Redis连接密码")
+	https := flag.Int("https", 1, "是否返回 https 短链接")
+	flag.Parse()
+
+	if *domain == "" {
+		flag.Usage()
+		log.Fatalln("缺少关键参数")
+	}
+
+	redisPoolConfig = &redisPoolConf{
+		maxIdle:        1024,
+		maxActive:      1024,
+		maxIdleTimeout: 30,
+		host:           *conn,
+		password:       *passwd,
+		db:             0,
+		handleTimeout:  30,
+	}
+	initRedisPool()
 
 	router.GET("/", func(context *gin.Context) {
 		context.HTML(http.StatusOK, "index.html", gin.H{
@@ -104,9 +109,283 @@ func run() {
 		})
 	})
 
-	router.POST("/short", LongToShortHandler())
+	// 短链接生成
-	router.GET("/:shortKey", ShortToLongHandler())
+	router.POST("/short", func(context *gin.Context) {
-
+		res := &Response{
-	logger.Infof("server running on :%s", port)
+			Code:     1,
-	router.Run(fmt.Sprintf(":%s", port))
+			Message:  "",
+			LongUrl:  "",
+			ShortUrl: "",
+		}
+
+		longUrl := context.PostForm("longUrl")
+		shortKey := context.PostForm("shortKey")
+		if longUrl == "" {
+			res.Code = 0
+			res.Message = "longUrl为空"
+			context.JSON(200, *res)
+			return
+		}
+
+		_longUrl, _ := base64.StdEncoding.DecodeString(longUrl)
+		longUrl = string(_longUrl)
+		res.LongUrl = longUrl
+
+		// 根据有没有填写 short key，分别执行
+		if shortKey != "" {
+			redisClient := redisPool.Get()
+
+			// 检测短链是否已存在
+			_exists, _ := redis.String(redisClient.Do("get", shortKey))
+			if _exists != "" && _exists != longUrl {
+				res.Code = 0
+				res.Message = "短链接已存在，请更换key"
+				context.JSON(200, *res)
+				return
+			}
+
+			// 存储
+			_, _ = redisClient.Do("set", shortKey, longUrl)
+
+		} else {
+			shortKey = longToShort(longUrl, *ttl*secondsPerDay)
+		}
+
+		protocol := "http://"
+		if *https != 0 {
+			protocol = "https://"
+		}
+		res.ShortUrl = protocol + *domain + "/" + shortKey
+
+		// context.Header("Access-Control-Allow-Origin", "*")
+		context.JSON(200, *res)
+	})
+
+	// 短链接跳转
+	router.GET("/:shortKey", func(context *gin.Context) {
+		shortKey := context.Param("shortKey")
+		longUrl := shortToLong(shortKey)
+
+		if longUrl == "" {
+			context.String(http.StatusNotFound, "短链接不存在或已过期")
+		} else {
+			context.Redirect(http.StatusMovedPermanently, longUrl)
+		}
+	})
+
+	// GC 优化
+	ballast := make([]byte, 1<<30) // 分配 1G 内存，不会实际占用物理内存，不可读写该变量
+	defer func() {
+		log.Println("ballast len %v", len(ballast))
+	}()
+
+	router.Run(fmt.Sprintf(":%d", *port))
+}
+
+// 短链接转长链接
+func shortToLong(shortKey string) string {
+	redisClient = redisPool.Get()
+	defer redisClient.Close()
+
+	longUrl, _ := redis.String(redisClient.Do("get", shortKey))
+
+	// 获取到长链接后，续命1天。每天仅允许续命1次。
+	if longUrl != "" {
+		renew(shortKey)
+	}
+
+	return longUrl
+}
+
+// 长链接转短链接
+func longToShort(longUrl string, ttl int) string {
+	redisClient = redisPool.Get()
+	defer redisClient.Close()
+
+	// 是否生成过该长链接对应短链接
+	longUrlMD5Bytes := md5.Sum([]byte(longUrl))
+	longUrlMD5 := hex.EncodeToString(longUrlMD5Bytes[:])
+	_existsKey, _ := redis.String(redisClient.Do("get", longUrlMD5))
+	if _existsKey != "" {
+		_, _ = redisClient.Do("expire", _existsKey, ttl)
+
+		log.Println("Hit cache: " + _existsKey)
+		return _existsKey
+	}
+
+	// 重试三次
+	var shortKey string
+	for i := 0; i < 3; i++ {
+		shortKey = generate(shortUrlLen)
+
+		_existsLongUrl, _ := redis.String(redisClient.Do("get", shortKey))
+		if _existsLongUrl == "" {
+			break
+		}
+	}
+
+	if shortKey != "" {
+		_, _ = redisClient.Do("mset", shortKey, longUrl, longUrlMD5, shortKey)
+
+		_, _ = redisClient.Do("expire", shortKey, ttl)
+		_, _ = redisClient.Do("expire", longUrlMD5, secondsPerDay)
+	}
+
+	return shortKey
+}
+
+// 续命
+func renew(shortKey string) {
+	redisClient = redisPool.Get()
+	defer redisClient.Close()
+
+	// 加锁
+	lockKey := defaultLockPrefix + shortKey
+	lock, _ := redis.Int(redisClient.Do("setnx", lockKey, 1))
+	if lock == 1 {
+		// 设置锁过期时间
+		_, _ = redisClient.Do("expire", lockKey, defaultRenewal*secondsPerDay)
+
+		// 续命
+		ttl, err := redis.Int(redisClient.Do("ttl", shortKey))
+		if err == nil && ttl != -1 {
+			_, _ = redisClient.Do("expire", shortKey, ttl+defaultRenewal*secondsPerDay)
+		}
+	}
+}
+
+// generate is a function that takes an integer bits and returns a string.
+// The function generates a random string of length equal to bits using the letterBytes slice.
+// The letterBytes slice contains characters that can be used to generate a random string.
+// The generation of the random string is based on the current time using the UnixNano() function.
+func generate(bits int) string {
+	// Create a byte slice b of length bits.
+	b := make([]byte, bits)
+
+	// Create a new random number generator with the current time as the seed.
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+
+	// Generate a random byte for each element in the byte slice b using the letterBytes slice.
+	for i := range b {
+		b[i] = letterBytes[r.Intn(len(letterBytes))]
+	}
+
+	// Convert the byte slice to a string and return it.
+	return string(b)
+}
+
+// 定义 logger
+func Logger() *logrus.Logger {
+	logFilePath := ""
+	if dir, err := os.Getwd(); err == nil {
+		logFilePath = dir + "/logs/"
+	}
+	if err := os.MkdirAll(logFilePath, 0777); err != nil {
+		fmt.Println(err.Error())
+	}
+	logFileName := "access.log"
+
+	//日志文件
+	fileName := path.Join(logFilePath, logFileName)
+	if _, err := os.Stat(fileName); err != nil {
+		if _, err := os.Create(fileName); err != nil {
+			fmt.Println(err.Error())
+		}
+	}
+
+	//写入文件
+	src, err := os.OpenFile(fileName, os.O_APPEND|os.O_WRONLY, os.ModeAppend)
+	if err != nil {
+		fmt.Println("err", err)
+	}
+
+	//实例化
+	logger := logrus.New()
+
+	//设置输出
+	logger.SetOutput(src)
+	// logger.Out = src
+
+	//设置日志级别
+	logger.SetLevel(logrus.DebugLevel)
+
+	//设置日志格式
+	logger.Formatter = &logrus.JSONFormatter{}
+
+	return logger
+}
+
+// 文件日志
+func LoggerToFile() gin.HandlerFunc {
+	logger := Logger()
+	return func(c *gin.Context) {
+		logMap := make(map[string]interface{})
+
+		// 开始时间
+		startTime := time.Now()
+		logMap["startTime"] = startTime.Format("2006-01-02 15:04:05")
+
+		// 处理请求
+		c.Next()
+
+		// 结束时间
+		endTime := time.Now()
+		logMap["endTime"] = endTime.Format("2006-01-02 15:04:05")
+
+		// 执行时间
+		logMap["latencyTime"] = endTime.Sub(startTime).Microseconds()
+
+		// 请求方式
+		logMap["reqMethod"] = c.Request.Method
+
+		// 请求路由
+		logMap["reqUri"] = c.Request.RequestURI
+
+		// 状态码
+		logMap["statusCode"] = c.Writer.Status()
+
+		// 请求IP
+		logMap["clientIP"] = c.ClientIP()
+
+		// 请求 UA
+		logMap["clientUA"] = c.Request.UserAgent()
+
+		//日志格式
+		// logJson, _ := json.Marshal(logMap)
+		// logger.Info(string(logJson))
+
+		logger.WithFields(logrus.Fields{
+			"startTime":   logMap["startTime"],
+			"endTime":     logMap["endTime"],
+			"latencyTime": logMap["latencyTime"],
+			"reqMethod":   logMap["reqMethod"],
+			"reqUri":      logMap["reqUri"],
+			"statusCode":  logMap["statusCode"],
+			"clientIP":    logMap["clientIP"],
+			"clientUA":    logMap["clientUA"],
+		}).Info()
+	}
+}
+
+// redis 连接池
+func initRedisPool() {
+	// 建立连接池
+	redisPool = &redis.Pool{
+		MaxIdle:     redisPoolConfig.maxIdle,
+		MaxActive:   redisPoolConfig.maxActive,
+		IdleTimeout: time.Duration(redisPoolConfig.maxIdleTimeout) * time.Second,
+		Wait:        true,
+		Dial: func() (redis.Conn, error) {
+			con, err := redis.Dial("tcp", redisPoolConfig.host,
+				redis.DialPassword(redisPoolConfig.password),
+				redis.DialDatabase(redisPoolConfig.db),
+				redis.DialConnectTimeout(time.Duration(redisPoolConfig.handleTimeout)*time.Second),
+				redis.DialReadTimeout(time.Duration(redisPoolConfig.handleTimeout)*time.Second),
+				redis.DialWriteTimeout(time.Duration(redisPoolConfig.handleTimeout)*time.Second))
+			if err != nil {
+				return nil, err
+			}
+			return con, nil
+		},
+	}
 }

public/index.html

@@ -19,7 +19,7 @@
       <el-header></el-header>
       <el-main>
         <div :class="[isPc ? 'body-center body-width-pc' : 'body-center body-width-mb']">
-          <img width="300" src="/logo.png" @click="goToGayHub">
+          <img width="300" src="https://cdn.jsdelivr.net/gh/CareyWang/MyUrls@master/public/logo.png" @click="goToGayHub">
           <el-input ref="long" v-model="longUrl" size="medium" @keyup.enter.native="enterToDoShort">
             <el-button slot="append" icon="el-icon-magic-stick" @click="doShort" :loading="loading"></el-button>
           </el-input>

random.go

@@ -1,28 +0,0 @@
-package main
-
-import (
-	"math/rand"
-	"time"
-)
-
-const letterBytes = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
-
-// generate is a function that takes an integer bits and returns a string.
-// The function generates a random string of length equal to bits using the letterBytes slice.
-// The letterBytes slice contains characters that can be used to generate a random string.
-// The generation of the random string is based on the current time using the UnixNano() function.
-func GenerateRandomString(bits int) string {
-	// Create a byte slice b of length bits.
-	b := make([]byte, bits)
-
-	// Create a new random number generator with the current time as the seed.
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
-
-	// Generate a random byte for each element in the byte slice b using the letterBytes slice.
-	for i := range b {
-		b[i] = letterBytes[r.Intn(len(letterBytes))]
-	}
-
-	// Convert the byte slice to a string and return it.
-	return string(b)
-}

redis.go

@@ -1,16 +0,0 @@
-package main
-
-import (
-	"github.com/redis/go-redis/v9"
-)
-
-var RedisClient *redis.Client
-
-// initRedisClient is a function that takes a pointer to a RedisOptions struct and returns a pointer to a Redis client.
-func initRedisClient(options *redis.Options) {
-	RedisClient = redis.NewClient(options)
-}
-
-func GetRedisClient() *redis.Client {
-	return RedisClient
-}

redis_test.go

@@ -1,41 +0,0 @@
-package main
-
-import (
-	"context"
-	"testing"
-
-	"github.com/redis/go-redis/v9"
-	"github.com/stretchr/testify/assert"
-)
-
-var mockRedisOptions = &redis.Options{
-	Addr:     "localhost:6379",
-	Password: "",
-	DB:       0,
-}
-
-func TestGetRedisClient(t *testing.T) {
-	client := GetRedisClient()
-	assert.Nil(t, client)
-
-	initRedisClient(mockRedisOptions)
-	client = GetRedisClient()
-	assert.NotNil(t, client)
-
-	// Test redis exec commands and response
-	ctx := context.Background()
-	rs := client.Ping(ctx)
-	assert.Nil(t, rs.Err())
-	assert.Equal(t, "PONG", rs.Val())
-
-	rsCmd := GetRedisClient().Do(ctx, "dbsize")
-	assert.Nil(t, rsCmd.Err())
-}
-
-func BenchmarkGetRedisClient(b *testing.B) {
-	initRedisClient(mockRedisOptions)
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		GetRedisClient().Get(context.Background(), "key")
-	}
-}