maven server tutorial

main.go

package main

import (
	"crypto/sha1"
	"fmt"
	"io"
	"io/ioutil"
	"net/http"
	"os"
	"strings"

	"github.com/gin-gonic/gin"
)

func main() {
	var metadata = `<?xml version="1.0" encoding="UTF-8"?>
	<metadata>
	  <groupId>com.neo</groupId>
	  <artifactId>hello</artifactId>
	  <versioning>
		<release>1.2</release>
		<versions>
		  <version>1.2</version>
		</versions>
		<lastUpdated>20220319104041</lastUpdated>
	  </versioning>
	</metadata>`

	r := gin.Default()
	// r.GET("/ping", func(c *gin.Context) {
	// 	c.JSON(200, gin.H{
	// 		"message": "pong",
	// 	})
	// })
	r.Any("/repository/maven-releases/*path", func(ctx *gin.Context) {
		var path = ctx.Request.URL.Path
		if strings.HasSuffix(path, ".jar") {
			var file, _ = os.Create("./test.jar")
			io.Copy(file, ctx.Request.Body)
		} else if strings.HasSuffix(path, ".jar.md5") {
			var file, _ = os.Create("./test.jar.md5")
			io.Copy(file, ctx.Request.Body)
		} else if strings.HasSuffix(path, ".jar.sha1") {
			var file, _ = os.Create("./test.jar.sha1")
			io.Copy(file, ctx.Request.Body)
		} else if strings.HasSuffix(path, ".pom") {
			var file, _ = os.Create("./test.pom")
			io.Copy(file, ctx.Request.Body)
		} else if strings.HasSuffix(path, ".pom.md5") {
			var file, _ = os.Create("./test.pom.md5")
			io.Copy(file, ctx.Request.Body)
		} else if strings.HasSuffix(path, ".pom.sha1") {
			var file, _ = os.Create("./test.pom.sha1")
			io.Copy(file, ctx.Request.Body)
		} else if strings.HasSuffix(path, "maven-metadata.xml") {
			if ctx.Request.Method == http.MethodGet {
				ctx.Data(200, "text/xml", []byte(metadata))
			} else if ctx.Request.Method == http.MethodPut {
				var data, _ = ioutil.ReadAll(ctx.Request.Body)
				metadata = string(data)
				fmt.Printf("update metada: %s\n", metadata)
			}
		} else if strings.HasSuffix(path, "maven-metadata.xml.sha1") && ctx.Request.Method == http.MethodGet {
			var hash = sha1.New()
			hash.Write([]byte(metadata))
			ctx.Data(200, "text/plain", []byte(fmt.Sprintf("%x", hash.Sum(nil))))
		} else if strings.HasSuffix(path, "maven-metadata.xml.md5") && ctx.Request.Method == http.MethodPut {
			var data, _ = ioutil.ReadAll(ctx.Request.Body)
			fmt.Printf("maven-metadata.xml.md5: %s\n", data)
		} else if strings.HasSuffix(path, "maven-metadata.xml.sha1") && ctx.Request.Method == http.MethodPut {
			var data, _ = ioutil.ReadAll(ctx.Request.Body)
			fmt.Printf("maven-metadata.xml.sha1: %s\n", data)
		} else {
			ctx.Data(200, "text/plain", []byte("ok"))
		}
	})
	r.Run(":8081")
}