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// Package runcode 基于 https://tool.runoob.com 的在线运行代码

package runcode

import (

"errors"

"io/ioutil"

"net/http"

"net/url"

"strings"

"time"

zero "github.com/wdvxdr1123/ZeroBot"

"github.com/wdvxdr1123/ZeroBot/extension/rate"

"github.com/wdvxdr1123/ZeroBot/message"

"github.com/FloatTech/ZeroBot-Plugin/control"

"github.com/tidwall/gjson"

)

var (

limit = rate.NewManager(time.Minute*3, 5)

templates = map[string]string{

"py2": "print 'Hello World!'",

"ruby": "puts \"Hello World!\";",

"rb": "puts \"Hello World!\";",

"php": "<?php\n\techo 'Hello World!';\n?>",

"javascript": "console.log(\"Hello World!\");",

"js": "console.log(\"Hello World!\");",

"node.js": "console.log(\"Hello World!\");",

"scala": "object Main {\n def main(args:Array[String])\n {\n println(\"Hello World!\")\n }\n\t\t\n}",

"go": "package main\n\nimport \"fmt\"\n\nfunc main() {\n fmt.Println(\"Hello, World!\")\n}",

"c": "#include <stdio.h>\n\nint main()\n{\n printf(\"Hello, World! \n\");\n return 0;\n}",

"c++": "#include <iostream>\nusing namespace std;\n\nint main()\n{\n cout << \"Hello World\";\n return 0;\n}",

"cpp": "#include <iostream>\nusing namespace std;\n\nint main()\n{\n cout << \"Hello World\";\n return 0;\n}",

"java": "public class HelloWorld {\n public static void main(String []args) {\n System.out.println(\"Hello World!\");\n }\n}",

"rust": "fn main() {\n println!(\"Hello World!\");\n}",

"rs": "fn main() {\n println!(\"Hello World!\");\n}",

"c#": "using System;\nnamespace HelloWorldApplication\n{\n class HelloWorld\n {\n static void Main(string[] args)\n {\n Console.WriteLine(\"Hello World!\");\n }\n }\n}",

"cs": "using System;\nnamespace HelloWorldApplication\n{\n class HelloWorld\n {\n static void Main(string[] args)\n {\n Console.WriteLine(\"Hello World!\");\n }\n }\n}",

"csharp": "using System;\nnamespace HelloWorldApplication\n{\n class HelloWorld\n {\n static void Main(string[] args)\n {\n Console.WriteLine(\"Hello World!\");\n }\n }\n}",

"shell": "echo 'Hello World!'",

"bash": "echo 'Hello World!'",

"erlang": "% escript will ignore the first line\n\nmain(_) ->\n io:format(\"Hello World!~n\").",

"perl": "print \"Hello, World!\n\";",

"python": "print(\"Hello, World!\")",

"py": "print(\"Hello, World!\")",

"swift": "var myString = \"Hello, World!\"\nprint(myString)",

"lua": "var myString = \"Hello, World!\"\nprint(myString)",

"pascal": "runcode Hello;\nbegin\n writeln ('Hello, world!')\nend.",

"kotlin": "fun main(args : Array<String>){\n println(\"Hello World!\")\n}",

"kt": "fun main(args : Array<String>){\n println(\"Hello World!\")\n}",

"r": "myString <- \"Hello, World!\"\nprint ( myString)",

"vb": "Module Module1\n\n Sub Main()\n Console.WriteLine(\"Hello World!\")\n End Sub\n\nEnd Module",

"typescript": "const hello : string = \"Hello World!\"\nconsole.log(hello)",

"ts": "const hello : string = \"Hello World!\"\nconsole.log(hello)",

}

table = map[string][2]string{

"py2": {"0", "py"},

"ruby": {"1", "rb"},

"rb": {"1", "rb"},

"php": {"3", "php"},

"javascript": {"4", "js"},

"js": {"4", "js"},

"node.js": {"4", "js"},

"scala": {"5", "scala"},

"go": {"6", "go"},

"c": {"7", "c"},

"c++": {"7", "cpp"},

"cpp": {"7", "cpp"},

"java": {"8", "java"},

"rust": {"9", "rs"},

"rs": {"9", "rs"},

"c#": {"10", "cs"},

"cs": {"10", "cs"},

"csharp": {"10", "cs"},

"shell": {"10", "sh"},

"bash": {"10", "sh"},

"erlang": {"12", "erl"},

"perl": {"14", "pl"},

"python": {"15", "py3"},

"py": {"15", "py3"},

"swift": {"16", "swift"},

"lua": {"17", "lua"},

"pascal": {"18", "pas"},

"kotlin": {"19", "kt"},

"kt": {"19", "kt"},

"r": {"80", "r"},

"vb": {"84", "vb"},

"typescript": {"1010", "ts"},

"ts": {"1010", "ts"},

}

)

func init() {

control.Register("runcode", &control.Options{

DisableOnDefault: false,

Help: "在线代码运行: \n" +

">runcode [language] [code block]\n" +

"模板查看: \n" +

">runcode [language] help\n" +

"支持语种: \n" +

"Go || Python || C/C++ || C# || Java || Lua \n" +

"JavaScript || TypeScript || PHP || Shell \n" +

"Kotlin || Rust || Erlang || Ruby || Swift \n" +

"R || VB || Py2 || Perl || Pascal || Scala",

}).OnRegex(`^>runcode\s(.+?)\s([\s\S]+)$`).SetBlock(true).SecondPriority().

Handle(func(ctx *zero.Ctx) {

if !limit.Load(ctx.Event.UserID).Acquire() {

ctx.Send("请稍后重试0x0...")

} else {

language := ctx.State["regex_matched"].([]string)[1]

language = strings.ToLower(language)

if runType, exist := table[language]; !exist {

// 不支持语言

ctx.SendChain(

message.Text("> ", ctx.Event.Sender.NickName, "\n"),

message.Text("语言不是受支持的编程语种呢~"),

)

} else {

// 执行运行

block := ctx.State["regex_matched"].([]string)[2]

block = message.UnescapeCQCodeText(block)

if block == "help" {

// 输出模板

ctx.SendChain(

message.Text("> ", ctx.Event.Sender.NickName, " ", language, "-template:\n"),

message.Text(

">runcode ", language, "\n",

templates[language],

),

)

} else {

if output, err := runCode(block, runType); err != nil {

// 运行失败

ctx.SendChain(

message.Text("> ", ctx.Event.Sender.NickName, "\n"),

message.Text("ERROR: ", err),

)

} else {

// 运行成功

ctx.SendChain(

message.Text("> ", ctx.Event.Sender.NickName, "\n"),

message.Text(output),

)

}

}

}

}

})

}

func runCode(code string, runType [2]string) (string, error) {

// 对菜鸟api发送数据并返回结果

api := "https://tool.runoob.com/compile2.php"

header := http.Header{

"Content-Type": []string{"application/x-www-form-urlencoded; charset=UTF-8"},

"Referer": []string{"https://c.runoob.com/"},

"User-Agent": []string{"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0"},

}

val := url.Values{

"code": []string{code},

"token": []string{"4381fe197827ec87cbac9552f14ec62a"},

"stdin": []string{""},

"language": []string{runType[0]},

"fileext": []string{runType[1]},

}

// 发送请求

client := &http.Client{

Timeout: 15 * time.Second,

}

request, _ := http.NewRequest("POST", api, strings.NewReader(val.Encode()))

request.Header = header

body, err := client.Do(request)

if err != nil {

return "", err

}

defer body.Body.Close()

if body.StatusCode != http.StatusOK {

return "", errors.New("code not 200")

}

res, err := ioutil.ReadAll(body.Body)

if err != nil {

return "", err

}

// 结果处理

content := gjson.ParseBytes(res)

if e := content.Get("errors").Str; e != "\n\n" {

return "", errors.New(cutTooLong(clearNewLineSuffix(e)))

}

output := content.Get("output").Str

return cutTooLong(clearNewLineSuffix(output)), nil

}

// 清除末尾多余的换行符

func clearNewLineSuffix(text string) string {

for strings.HasSuffix(text, "\n") {

text = text[:len(text)-1]

}

return text

}

// 截断过长文本

func cutTooLong(text string) string {

temp := []rune(text)

count := 0

for i := range temp {

switch {

case temp[i] == 13 && i < len(temp)-1 && temp[i+1] == 10:

// 匹配 \r\n 跳过，等 \n 自己加

case temp[i] == 10:

count++

case temp[i] == 13:

count++

}

if count > 30 || i > 1000 {

temp = append(temp[:i-1], []rune("\n............\n............")...)

break

}

}

return string(temp)

}