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logindlg.cpp
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logindlg.cpp
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#include "logindlg.h"
#include "ui_logindlg.h"
#include <QSettings>
#include <QDesktopWidget>
//调用刚才的函数把获取的网页内容储存为一个qstring的变量
const QString tokenUrl = "https://passport.baidu.com/v2/api/?getapi&class=login&tpl=mn&tangram=true";
LoginDlg::LoginDlg(QWidget *parent, QNetworkCookieJar *cookie) :
QFrame(parent),
ui(new Ui::LoginDlg)
{
ui->setupUi(this);
ui->verifywidget->hide();
m_iLoginError = USER_PASSWD_ERROR;
if(!cookie)
{
qDebug() << "传入cookie失败!";
return;
}
m_cookJar = cookie;
int iCheck = 0;
QSettings settings(QSettings::IniFormat, QSettings::UserScope, "QBaiduFm", "QBaiduFm");
settings.beginGroup("User");
iCheck = settings.value("RememberMe").toInt();
m_userName = settings.value("UserName").toString();
m_passWd = settings.value("PassWd").toString();
// if(iCheck)
// {
// logIn();
// }
settings.endGroup();
}
LoginDlg::~LoginDlg()
{
delete ui;
}
int LoginDlg::logIn()
{
getWebResponse("http://www.baidu.com");
getWebResponse("https://passport.baidu.com/v2/api/?login");
QString url = "https://passport.baidu.com/v2/api/?login";
QByteArray ba;
ba.append("ppui_logintime=");
ba.append(QString::number(getRandNum(), 10));
ba.append("&charset=utf-8");
ba.append("&codestring=");
ba.append("&token=");
ba.append( getToken(tokenUrl));
ba.append("&isPhone=false");
ba.append("&index=0");
ba.append("&u=");
ba.append("&safeflg=0");
ba.append("&staticpage=http%3A%2F%2Fwww.baidu.com%2Fcache%2Fuser%2Fhtml%2Fjump.html");
ba.append("&loginType=1");
ba.append("&tpl=mn");
ba.append("&callback=parent.bdPass.api.login._postCallback");
ba.append("&username=");
ba.append(m_userName);
ba.append("&password=");
ba.append(m_passWd);
ba.append("&verifycode=");
ba.append("&mem_pass=on");
QString postRet = postWebResponse(url, ba);
qDebug() << postRet;
if(postRet.contains("error=0"))
{
qDebug() << "登录成功" << m_userName;
m_iLoginError = LONIN_SUCCESS_ERROR;
emit loginSuccess(m_userName);
}
else if(postRet.contains("error=2"))
{
qDebug() << "用户名密码错误";
m_iLoginError = USER_PASSWD_ERROR;
emit loginSuccess("登录失败");
}
else if(postRet.contains("error=5"))
{
qDebug() << "输入验证码";
m_iLoginError = VERIFY_PICTURE_ERROR;
emit loginSuccess("登录失败");
}
return m_iLoginError;
}
void LoginDlg::on_toolButtonLogIn_clicked()
{
if(m_iLoginError == LONIN_SUCCESS_ERROR)
{
emit loginSuccess(m_userName);
hide();
return;
}
QString userName = ui->lineEditUserName->text();
QString passWd = ui->lineEditPasswd->text();
Qt::CheckState check = ui->checkBoxRememberMe->checkState();
QSettings settings(QSettings::IniFormat, QSettings::UserScope, "QBaiduFm", "QBaiduFm");
settings.beginGroup("User");
settings.setValue("RememberMe", check);
if(check)
{
settings.setValue("UserName", userName);
settings.setValue("PassWd", passWd);
}
settings.endGroup();
int iLoginSuccess = logIn();
if(iLoginSuccess == LONIN_SUCCESS_ERROR)
{
hide();
}
else if(iLoginSuccess == USER_PASSWD_ERROR)
{
showDlg(USER_PASSWD_ERROR);
}
else if(iLoginSuccess == VERIFY_PICTURE_ERROR)
{
ui->verifywidget->show();
showDlg(VERIFY_PICTURE_ERROR);
}
}
void LoginDlg::on_toolButtonCancel_clicked()
{
hide();
}
void LoginDlg::showDlg(int iShowState)
{
if(iShowState == USER_PASSWD_ERROR)
{
ui->lineEditUserName->clear();
ui->lineEditPasswd->clear();
ui->lineEditUserName->setPlaceholderText("用户名或密码错误");
ui->lineEditPasswd->setPlaceholderText("用户名或密码错误");
}
if(iShowState == VERIFY_PICTURE_ERROR)
{
ui->lineEditUserName->setPlaceholderText("请输入用户名");
ui->lineEditPasswd->setPlaceholderText("请输入密码");
}
int iCheck = 0;
QSettings settings(QSettings::IniFormat, QSettings::UserScope, "QBaiduFm", "QBaiduFm");
settings.beginGroup("User");
iCheck = settings.value("RememberMe").toInt();
ui->checkBoxRememberMe->setChecked(iCheck);
m_userName = settings.value("UserName").toString();
m_passWd = settings.value("PassWd").toString();
if(iCheck)
{
ui->lineEditUserName->setText(m_userName);
ui->lineEditPasswd->setText(m_passWd);
}
settings.endGroup();
show();
}
int LoginDlg::getRandNum()
{
int irandNum = qrand() %(99999-10000+1)+10000;
return irandNum;
}
QString LoginDlg::getWebResponse(QString url)
{
QNetworkAccessManager *manager = new QNetworkAccessManager;
QNetworkRequest request;
QByteArray responseData;
manager->setCookieJar(m_cookJar);
//设置网址
request.setUrl(QUrl(url));
QNetworkReply *reply = manager->get(request);
QEventLoop loop;
connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
responseData = reply->readAll();
reply->deleteLater();
//qDebug() << responseData;
return QString(responseData); //返回取到的源码字符串
}
QString LoginDlg::getToken(QString url)
{
QString response;
response = getWebResponse(url);
QRegExp rx;
rx.setPattern("token='([0-9 | a-f]{1,})");
//下面就是匹配字符串(其实用正则更好)
int start = rx.indexIn(response);
int end = rx.matchedLength();
QString token = response.mid(start, end);
token = token.mid(7, token.size());
// qDebug() << token;
return token; //返回获取的token
}
QString LoginDlg::postWebResponse(QString url, QByteArray postData)
{
//qDebug() << postData;
QNetworkAccessManager *manager = new QNetworkAccessManager;
QNetworkRequest request;
QByteArray responseData;
manager->setCookieJar(m_cookJar);
//设置网址
request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
request.setHeader(QNetworkRequest::ContentLengthHeader, postData.length());
request.setUrl(QUrl(url));
QNetworkReply *reply = manager->post(request, postData);
QEventLoop loop;
connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
responseData = reply->readAll();
// foreach(QNetworkCookie cookie, manager->cookieJar()->cookiesForUrl(QUrl(url)))
// {
// qDebug() << cookie.value();
// }
reply->deleteLater();
// qDebug() << responseData;
return QString(responseData); //返回取到的源码字符串
}