Initial Commit

Readme.md

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+# AutoNewQustLogin
+
+QUST无感知版本的自动登录程序

main.cpp

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+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <string>
+
+#include <cstdlib>
+using namespace std;
+
+#include "user_info.hpp"
+
+const string curl_bin="C:\\curl ";
+
+int system(const std::string& str)
+{
+    //cout<<"SystemExec: "<<str<<endl;
+    return system(str.c_str());
+}
+
+bool isConnectedToInternet()
+{
+    ostringstream ostr;
+    ostr<<curl_bin<<" baidu.com > ans.txt 2> curl.txt";
+
+    system(ostr.str());
+
+    ifstream ifs("ans.txt");
+    string temp,ans;
+    while(getline(ifs,temp)) ans.append(temp);
+
+    return (ans.find("baidu")!=string::npos);
+}
+
+static unsigned char hexchars[] = "0123456789ABCDEF";
+char* basic_url_encode(char const *s, int len, int *new_length)
+{
+    register unsigned char c;
+    unsigned char *to, *start;
+    unsigned char const *from, *end;
+
+    from = (unsigned char *)s;
+    end  = (unsigned char *)s + len;
+    start = to = (unsigned char *) calloc(1, 3*len+1);
+
+    while (from < end)
+    {
+        c = *from++;
+
+        if (c == ' ')
+        {
+            *to++ = '+';
+        }
+        else if ((c < '0' && c != '-' && c != '.') ||
+                 (c < 'A' && c > '9') ||
+                 (c > 'Z' && c < 'a' && c != '_') ||
+                 (c > 'z'))
+        {
+            to[0] = '%';
+            to[1] = hexchars[c >> 4];
+            to[2] = hexchars[c & 15];
+            to += 3;
+        }
+        else
+        {
+            *to++ = c;
+        }
+    }
+    *to = 0;
+    if (new_length)
+    {
+        *new_length = to - start;
+    }
+    return (char *) start;
+}
+
+string URLEncode(const string& url_to_encode)
+{
+    char* ptr=basic_url_encode(url_to_encode.c_str(),url_to_encode.size(),nullptr);
+    string new_url(ptr);
+    free(ptr);
+    return new_url;
+}
+
+string QURLEncode(const string& url_to_encode)
+{
+    string s=URLEncode(url_to_encode);
+    string ans;
+    int sz=s.size();
+    for(int i=0;i<sz;i++)
+    {
+        if(s[i]=='%')
+        {
+            /// Special URL Encode Rule (Example: %26 --> %2526)
+            ans.append("%25");
+        }
+        else ans.push_back(s[i]);
+    }
+    return ans;
+}
+
+bool try_qust_with(const string& login_url,const string& uname,const string& passwd)
+{
+    ostringstream ostr;
+    ostr<<curl_bin<<" \"http://211.87.157.37/eportal/InterFace.do?method=login\" -d \"userId="<<uname<<"&password="<<passwd<<"&service=&queryString=";
+
+    string url=login_url.substr(login_url.find("?")+1);
+    url=QURLEncode(url);
+
+    ostr<<url<<"&operatorPwd=&operatorUserId=&validcode=\" > login.txt 2> curl.txt";
+
+    system(ostr.str());
+
+    ifstream ifs("login.txt");
+    string temp,ans;
+    while(getline(ifs,temp)) ans.append(temp);
+
+    return (ans.find("success")!=string::npos);
+}
+
+void qust_login()
+{
+    cout<<"正在测试网络..."<<endl;
+
+    if(isConnectedToInternet())
+    {
+        cout<<"网络已连接."<<endl;
+        return;
+    }
+    else
+    {
+        cout<<"网络未连接."<<endl;
+    }
+
+    string login_url;
+    do
+    {
+        ifstream ifs("ans.txt");
+        string temp,ans;
+        while(getline(ifs,temp)) ans.append(temp);
+
+        size_t L=ans.find("'");
+        if(L==string::npos)
+        {
+            cout<<"获取QUST登录URL失败"<<endl;
+            return ;
+        }
+        size_t R=ans.find("'",L+1); /// Search from L+1
+        if(R==string::npos)
+        {
+            cout<<"获取QUST登录URL不完整"<<endl;
+            return ;
+        }
+
+        login_url=ans.substr(L+1,R-(L+1));
+    }while(0);
+
+    if(try_qust_with(login_url,username,passwd))
+    {
+        cout<<"QUST登录成功"<<endl;
+    }
+    else
+    {
+        cout<<"QUST登录失败: 账号或密码错误? 登录过于频繁? "<<endl;
+    }
+}
+
+int main()
+{
+    qust_login();
+    return 0;
+}

user_info.hpp

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+/// Give values to the following variables as you wish
+
+const string username;
+const string passwd;