mirror of
https://github.com/hjdhnx/dr_py.git
synced 2024-10-18 10:58:26 -05:00
486 lines
18 KiB
C#
486 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Net;
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using System.Net.Http.Headers;
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using System.Net.Security;
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using System.Reflection;
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using System.Reflection.Metadata;
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using System.Reflection.PortableExecutable;
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using System.Security.Cryptography.X509Certificates;
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using System.Security.Policy;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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using Esprima.Ast;
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using Jint;
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using Jint.Native;
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using Jint.Runtime;
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using Newtonsoft.Json.Linq;
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using NSoup.Nodes;
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using NSoup;
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using NSoup.Select;
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using Document = NSoup.Nodes.Document;
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using RestSharp;
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using System.Web;
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using System.Net.Mime;
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using Newtonsoft.Json;
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using NSoup.Helper;
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using System.Text.Encodings.Web;
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using System.Buffers.Text;
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using System.Text.Json.Nodes;
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namespace Peach.DataAccess
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{
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//html解析器
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public class HtmlParser
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{
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RestClient client;
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public HtmlParser()
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{
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ServicePointManager.ServerCertificateValidationCallback = (sender, cert, chain, sslPolicyErrors) => true;
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var options = new RestClientOptions()
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{
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RemoteCertificateValidationCallback = (a, c, d, v) => true,
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MaxTimeout = 100000,
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ThrowOnAnyError = true, //设置不然不会报异常
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UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36"
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};
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client = new RestClient(options);
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//client.AddDefaultHeader("Content-Type", "application/json");
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//client.AddDefaultHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7");
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}
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/// <summary>
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/// okhttp封装的html请求，给js调用http请求的
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/// </summary>
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/// <param name="url"></param>
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/// <param name="opt"></param>
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/// <returns></returns>
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public object Request(string url, JsValue arguments)
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{
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Uri uri = new Uri(url);
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string Host = uri.Host;
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var method = arguments.AsObject()["method"]?.ToString();
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var _headers = arguments.AsObject()["headers"].AsObject();
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var Referer = _headers["Referer"]?.ToString();
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var UserAgent = _headers["User-Agent"]?.ToString();
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var Cookie = _headers["Cookie"]?.ToString();
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var ContentType = _headers["Content-Type"]?.ToString();
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var Data = arguments.AsObject()["data"]?.ToString();
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var Body = arguments.AsObject()["body"]?.ToString();
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var Buffer = arguments.AsObject()["buffer"]?.ToString();
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String charset = "utf-8";
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if (ContentType != null && ContentType.Split("charset=").Length > 1)
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{
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charset = ContentType.Split("charset=")[1];
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}
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var request = new RestRequest(url);
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if (!string.IsNullOrEmpty(Data) && !Data.Equals("undefined"))
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{
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// 序列化JSON数据
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string post_data = JsonConvert.SerializeObject(Data);
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// 将JSON参数添加至请求中
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request.AddParameter("application/json", post_data, ParameterType.RequestBody);
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}
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if (!string.IsNullOrEmpty(Body) && !Body.Equals("undefined"))
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{
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String[] queryS = Body.Split("&");
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foreach (String query in queryS)
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{
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//String query = queryS[i];
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int tmp = query.IndexOf("=");
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String key;
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String value;
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if (tmp != -1)
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{
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key = query.Substring(0, tmp);
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value = query[(tmp + 1)..];
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}
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else
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{
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key = query;
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value = "";
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}
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request.AddParameter(key, value);
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}
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}
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if (string.IsNullOrEmpty(UserAgent))
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UserAgent = "Mozilla/5.0 (Linux; Android 11; M2007J3SC Build/RKQ1.200826.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.120 MQQBrowser/6.2 TBS/045714 Mobile Safari/537.36";
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request.AddHeader("User-Agent", UserAgent);
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if (!string.IsNullOrEmpty(Referer))
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request.AddHeader("Referer", Referer);
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if (!string.IsNullOrEmpty(Cookie) && !Cookie.Equals("undefined"))
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{
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client.AddDefaultHeader("Cookie", Cookie);
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}
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string rContent = "";
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JsObject header = new (_headers.Engine);
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try
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{
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var client = new RestClient(url);
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RestResponse? response;
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if (method?.ToLower() == "post")
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response = client.Post(request);
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else
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response = client.Get(request);
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//rContent = response.Content;
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Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
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rContent = HttpUtility.UrlDecode(response.RawBytes == null ? Array.Empty<byte>() : response.RawBytes,
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Encoding.GetEncoding(charset));
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if (response.Headers != null)
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{
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foreach (var item in response.Headers)
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{
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header.Set(item.Name, item.Value == null ? "" : item.Value.ToString());
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}
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}
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if (Buffer == "1")
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{
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return new { headers = header, content = response.RawBytes };
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}
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else if (Buffer == "2")
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{
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return new { headers = header, content = Convert.ToBase64String(Encoding.UTF8.GetBytes(rContent)) };
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}
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else
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{
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return new { headers = header, content = rContent };
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}
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}
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catch (Exception)
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{ }
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return new { headers = header, content = "" };
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}
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private static readonly Regex p = new ("url\\((.*?)\\)", RegexOptions.Multiline | RegexOptions.Singleline);
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private static readonly Regex NOAdd_INDEX = new (":eq|:lt|:gt|:first|:last|^body$|^#");
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private static readonly Regex URLJOIN_ATTR = new ("(url|src|href|-original|-src|-play|-url|style)$", RegexOptions.Multiline | RegexOptions.IgnoreCase);
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private static readonly Regex SPECIAL_URL = new ("^(ftp|magnet|thunder|ws):", RegexOptions.Multiline | RegexOptions.IgnoreCase);
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private static String pdfh_html = "";
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private static String pdfa_html = "";
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private static Document? pdfh_doc = null;
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private static Document? pdfa_doc = null;
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public static string JoinUrl(string parent, string child)
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{
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if (string.IsNullOrWhiteSpace(parent))
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{
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return child;
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}
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Uri url;
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string q = parent;
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try
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{
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url = new Uri(new Uri(parent), child);
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q = url.ToString();
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}
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catch (Exception)
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{
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//e.printStackTrace();
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}
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// if (q.Contains("#")) {
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// q = q.ReplaceAll("^(.+?)#.*?$", "$1");
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// }
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return q;
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}
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public class Painfo
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{
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public string? nparse_rule;
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public int nparse_index;
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public List<string>? excludes;
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}
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private static Painfo GetParseInfo(string nparse)
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{
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/*
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根据传入的单规则获取 parse规则，索引位置,排除列表 -- 可以用于剔除元素,支持多个，按标签剔除，按id剔除等操作
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:param nparse:
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:return:*/
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Painfo painfo = new Painfo();
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//List<string> excludes = new ArrayList<>(); //定义排除列表默认值为空
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//int nparse_index; //定义位置索引默认值为0
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painfo.nparse_rule = nparse; //定义规则默认值为本身
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if (nparse.Contains(":eq"))
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{
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painfo.nparse_rule = nparse.Split(":")[0];
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string nparse_pos = nparse.Split(":")[1];
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if (painfo.nparse_rule.Contains("--"))
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{
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string[] rules = painfo.nparse_rule.Split("--");
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painfo.excludes = rules.ToList();// new(Arrays.asList(rules));
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painfo.excludes.RemoveAt(0);
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painfo.nparse_rule = rules[0];
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}
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else if (nparse_pos.Contains("--"))
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{
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string[] rules = nparse_pos.Split("--");
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painfo.excludes = rules.ToList();// new ArrayList<>(Arrays.asList(rules));
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painfo.excludes.RemoveAt(0);
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nparse_pos = rules[0];
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}
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try
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{
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painfo.nparse_index = int.Parse(nparse_pos.Replace("eq(", "").Replace(")", ""));
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}
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catch (Exception)
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{
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painfo.nparse_index = 0;
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}
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}
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else
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{
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if (nparse.Contains("--"))
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{
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string[] rules = painfo.nparse_rule.Split("--");
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painfo.excludes = rules.ToList();// new ArrayList<>(Arrays.asList(rules));
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painfo.excludes.RemoveAt(0);
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painfo.nparse_rule = rules[0];
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}
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}
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return painfo;
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}
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//pdfh
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public string ParseDomForUrl(string html, string rule)
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{
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return ParseDom(html, rule, "");
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}
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//pd
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public string ParseDom(string html, string rule, string Add_url)
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{
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if (string.IsNullOrWhiteSpace(html)) return "";
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if (!pdfh_html.Equals(html))
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{
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pdfh_html = html;
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pdfh_doc = NSoupClient.Parse(html);
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}
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Document? doc = pdfh_doc;
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//Document doc = NSoupClient.Parse(html);
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if (rule.Equals("body&&Text") || rule.Equals("Text"))
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return doc.Text();
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else if (rule.Equals("body&&Html") || rule.Equals("Html"))
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return doc.Html();
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string option = "";
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if (rule.Contains("&&"))
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{
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string[] rs = rule.Split("&&");
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option = rs[rs.Length - 1];
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List<string> excludes = rs.ToList();// new ArrayList<>(Arrays.asList(rs));
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excludes.RemoveAt(rs.Length - 1);
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rule = string.Join("&&", excludes);// TextUtils.join("&&", excludes);
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}
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rule = parseHikerToJq(rule, true);
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string[]? parses = rule.Split(" ");
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Elements ret = new ();
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foreach (string nparse in parses)
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{
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ret = parseOneRule(doc, nparse, ret);
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if (ret.IsEmpty || ret.Count <= 0) return "";
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}
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if (string.IsNullOrWhiteSpace(option))
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return ret.OuterHtml();
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if (option.Equals("Text"))
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return ret.First.Text();
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else if (option.Equals("Html"))
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return ret.Html();
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else //(JSUtils.isNotEmpty(option))
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{
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string? result = ret.Attr(option);
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if (option.ToLower().Contains("style") && result.Contains("url("))
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{
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Match m = p.Match(result);
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if (m.Success)
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result = m.Groups[1]?.Value;
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result = Regex.Replace(result, "^['|\"](.*)['|\"]$", "$1");
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}
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if (!string.IsNullOrWhiteSpace(result) && !string.IsNullOrWhiteSpace(Add_url))// (JSUtils.isNotEmpty(result) && JSUtils.isNotEmpty(Add_url))
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{
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// 需要自动urljoin的属性
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Match m = URLJOIN_ATTR.Match(option);
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Match n = SPECIAL_URL.Match(result);
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//if (isUrl(option)) {
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if (m.Success && !n.Success)
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{
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if (result.Contains("http"))
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result = result[result.IndexOf("http")..];
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else
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result = JoinUrl(Add_url, result);
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}
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}
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return result;
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}
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}
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//pdfa
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public String[] ParseDomForArray(string html, string rule)
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{
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if (!pdfa_html.Equals(html))
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{
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pdfa_html = html;
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pdfa_doc = NSoupClient.Parse(html);
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}
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Document? doc = pdfa_doc;
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List<string>? eleHtml = new();
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//Document doc = NSoupClient.Parse(html);
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rule = parseHikerToJq(rule, false);
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string[]? parses = rule.Split(" ");
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Elements ret = new ();
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foreach (var pars in parses)
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{
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ret = parseOneRule(doc, pars, ret);
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if (ret.IsEmpty) return eleHtml.ToArray();
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}
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foreach (Element it in ret)
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{
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eleHtml.Add(it.OuterHtml());
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}
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return eleHtml.ToArray();
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}
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//pdfl
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public String[] ParseDomForList(string html, string rule, string list_text, string list_url, string urlKey)
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{
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if (!pdfa_html.Equals(html))
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{
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pdfa_html = html;
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pdfa_doc = NSoupClient.Parse(html);
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}
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Document? doc = pdfa_doc;
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//Document doc = NSoupClient.Parse(html);
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List<string>? new_vod_list = new();
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rule = parseHikerToJq(rule, false);
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string[]? parses = rule.Split(" ");
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Elements ret = new ();
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foreach (string pars in parses)
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{
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ret = parseOneRule(doc, pars, ret);
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if (ret.IsEmpty) return new_vod_list.ToArray();
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}
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foreach (Element it in ret)
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{
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new_vod_list.Add(ParseDom(it.OuterHtml(), list_text, "").Trim() + '$' + ParseDom(it.OuterHtml(), list_url, urlKey));
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}
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return new_vod_list.ToArray();
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}
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private string parseHikerToJq(string parse, bool first)
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{
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/*
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海阔解析表达式转原生表达式,自动补eq,如果传了first就最后一个也取eq(0)
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:param parse:
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:param first:
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:return:
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*/
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// 不自动加eq下标索引
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if (parse.Contains("&&"))
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{
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string[]? parses = parse.Split("&&"); //带&&的重新拼接
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List<string>? new_parses = new(); //构造新的解析表达式列表
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for (int i = 0; i < parses.Length; i++)
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{
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string[]? pss = parses[i].Split(" ");
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string? ps = pss[pss.Length - 1]; //如果分割&&后带空格就取最后一个元素
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Match? m = NOAdd_INDEX.Match(ps); // Matcher m = NOAdd_INDEX.matcher(ps);
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//if (!isIndex(ps)) {
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if (!m.Success)
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{
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if (!first && i >= parses.Length - 1)
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{ //不传first且遇到最后一个,不用补eq(0)
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new_parses.Add(parses[i]);
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}
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else
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{
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new_parses.Add(parses[i] + ":eq(0)");
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}
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}
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else
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{
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new_parses.Add(parses[i]);
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}
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}
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parse = string.Join(" ", new_parses);// TextUtils.join(" ", new_parses);
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}
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else
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{
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string[]? pss = parse.Split(" ");
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string? ps = pss[pss.Length - 1]; //如果分割&&后带空格就取最后一个元素
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//Matcher m = NOAdd_INDEX.matcher(ps);
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Match? m = NOAdd_INDEX.Match(ps);
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//if (!isIndex(ps) && first) {
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if (!m.Success && first)
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{
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parse += ":eq(0)";
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}
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}
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return parse;
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}
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private Elements parseOneRule(Document doc, string parse, Elements ret)
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{
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Painfo? info = GetParseInfo(parse);
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if (ret.IsEmpty)
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{
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ret = doc.Select(info.nparse_rule);
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}
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else
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{
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ret = ret.Select(info.nparse_rule);
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}
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if (parse.Contains(":eq"))
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{
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if (info.nparse_index < 0)
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{
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ret = ret.Eq(ret.Count + info.nparse_index);
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}
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else
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{
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ret = ret.Eq(info.nparse_index);
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}
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}
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if (info.excludes != null && !ret.IsEmpty)
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{
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foreach (var exclude in info.excludes)
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{
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ret.Select(exclude).Remove();
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}
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}
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return ret;
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}
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}
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}
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