VC使用libcurl模拟登录CSDN并自动评论资源以获取积分
来源:互联网 发布:淘宝小卖家怎么定位 编辑:程序博客网 时间:2024/05/17 03:19
环境:Win7 64位+VC2008
软件及源码下载:(http://pan.baidu.com/s/1jGE52pK)
涉及到的知识点:
C++多线程编程
libcurl的使用(包括发送http请求、发送cookie给服务器、保存cookie)
关于libcurl的资料,推荐大家参考下官方文档:http://curl.haxx.se/libcurl/c/example.html
软件运行结果
libcurl中的所有函数
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_pause
curl_easy_perform
curl_easy_recv
curl_easy_reset
curl_easy_send
curl_easy_setopt
curl_easy_strerror
curl_easy_unescape
curl_escape (deprecated, do not use)
curl_formadd
curl_formfree
curl_formget
curl_free
curl_getdate
curl_getenv (deprecated, do not use)
curl_global_cleanup
curl_global_init
curl_global_init_mem
curl_mprintf (deprecated, do not use)
curl_multi_add_handle
curl_multi_assign
curl_multi_cleanup
curl_multi_fdset
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_remove_handle
curl_multi_setopt
curl_multi_socket
curl_multi_socket_action
curl_multi_strerror
curl_multi_timeout
curl_share_cleanup
curl_share_init
curl_share_setopt
curl_share_strerror
curl_slist_append
curl_slist_free_all
curl_strequal (deprecated, do not use)
curl_strnequal (deprecated, do not use)
curl_unescape (deprecated, do not use)
curl_version
curl_version_info
描述:这个函数只能用一次。(其实在调用curl_global_cleanup 函数后仍然可再用)
如果这个函数在curl_easy_init函数调用时还没调用,它将由libcurl库自动完成。
参数:flags
CURL_GLOBAL_ALL //初始化所有的可能的调用。
CURL_GLOBAL_SSL //初始化支持 安全套接字层。
CURL_GLOBAL_WIN32 //初始化win32套接字库。
CURL_GLOBAL_NOTHING //没有额外的初始化。
描述:在结束libcurl使用的时候,用来对curl_global_init做的工作清理。类似于close的函数。
char *curl_version( );
一般curl_easy_init意味着一个会话的开始. 它的返回值一般都用在easy系列的函数中
参数:CURL类型的指针.
描述: 这个函数最重要了.几乎所有的curl 程序都要频繁的使用它.
它告诉curl库.程序将有如何的行为. 比如要查看一个网页的html代码等.
(这个函数有些像ioctl函数)
参数:
1 CURL类型的指针
2 各种CURLoption类型的选项.(都在curl.h库里有定义,man 也可以查看到)
3 parameter 这个参数 既可以是个函数的指针,也可以是某个对象的指针,也可以是个long型的变量.它用什么这取决于第二个参数.
CURLoption 这个参数的取值很多.具体的可以查看man手册.
option 运作起来.
参数:
CURL类型的指针
如何操作cookie
curl_easy_setopt(curl, CURLOPT_COOKIEJAR, "cookie.txt");读取本地的cookie.txt文件中的cookie信息
curl_easy_setopt(easy_handle, CURLOPT_COOKIEFILE, "cookie.txt");
模拟登录csdn
ReturnInfo CCSDNDlg::LoginServer(CString strUser,CString strPass){ReturnInfo returnInfo;returnInfo.bReturn = FALSE;CURL *curl;CURLcode res;struct curl_slist *headers = NULL;curl_global_init(CURL_GLOBAL_ALL);curl = curl_easy_init();if(curl){//初始化cookie引擎curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");curl_easy_setopt(curl,CURLOPT_FOLLOWLOCATION, 1L);//http请求头headers = curl_slist_append(headers,"User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0");//模拟浏览器headers = curl_slist_append(headers,"Host:passport.csdn.net");headers = curl_slist_append(headers,"Accept:*/*");headers = curl_slist_append(headers,"Accept-Language:zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3");headers = curl_slist_append(headers,"Accept-Encoding:gzip, deflate");headers = curl_slist_append(headers,"X-Requested-With:XMLHttpRequest");headers = curl_slist_append(headers,"Referer:https://passport.csdn.net/account/loginbox?callback=logined&hidethird=1&from=http%3a%2f%2fwww.csdn.net%2f");headers = curl_slist_append(headers,"Connection:keep-alive");curl_easy_setopt(curl, CURLOPT_COOKIEJAR, "cookie.txt");//把服务器发过来的cookie保存到cookie.txt//发送http请求头curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);char url[256];sprintf(url,"http://passport.csdn.net/ajax/accounthandler.ashx?t=log&u=%s&p=%s&remember=0&f=http%3A%2F%2Fwww.csdn.net%2F&rand=0.47590136872096434",strUser,strPass);curl_easy_setopt(curl, CURLOPT_URL,url);string content;//设置回调函数res = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writer);res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, &content);//执行http请求res = curl_easy_perform(curl);string returnVal;Utf8ToMb((char*)content.c_str(),content.length(),returnVal);int pos = returnVal.find("\"status\":true");if ( pos >= 0){returnInfo.bReturn = TRUE;int nStartPos = content.find("data\":");int nEndPos = content.rfind("\"}}");returnInfo.data = content.substr(nStartPos+6,nEndPos - nStartPos-4);}else{int nStartPos = returnVal.find("error\":");int nEndPos = returnVal.find("data\":",nStartPos);returnInfo.strErrorInfo = returnVal.substr(nStartPos+8,nEndPos-nStartPos-11);}//释放资源curl_easy_cleanup(curl);curl_slist_free_all(headers);headers = NULL;}curl_global_cleanup();return returnInfo;}
根据给定的网址获取网页源码
static string GetHtmlPage(string url){CURL *easy_handle;CURLcode res;string content;curl_global_init(CURL_GLOBAL_ALL);easy_handle = curl_easy_init();if( easy_handle ){//初始化cookie引擎curl_easy_setopt(easy_handle, CURLOPT_COOKIEFILE,"");curl_easy_setopt(easy_handle,CURLOPT_TIMEOUT,5);//设置请求超时时间//curl_easy_setopt(easy_handle,CURLOPT_VERBOSE,1);//输出请求头和响应头//curl_easy_setopt(easy_handle,CURLOPT_HEADER,1);curl_easy_setopt(easy_handle,CURLOPT_FOLLOWLOCATION, 1L);//http请求头struct curl_slist *headers = NULL;headers = curl_slist_append(headers,"Host: download.csdn.net");headers = curl_slist_append(headers,"User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0");headers = curl_slist_append(headers,"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");headers = curl_slist_append(headers,"Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3");headers = curl_slist_append(headers,"Referer: http://www.csdn.net/");headers = curl_slist_append(headers,"Connection: keep-alive");curl_easy_setopt(easy_handle, CURLOPT_HTTPHEADER, headers);curl_easy_setopt(easy_handle, CURLOPT_COOKIEFILE, "cookie.txt");//读取本地存储的cookieif(!InitCurl(easy_handle,res,url,content)){//释放资源curl_slist_free_all(headers);curl_easy_cleanup(easy_handle);return NULL;}//释放资源curl_slist_free_all(headers);curl_easy_cleanup(easy_handle);}curl_global_cleanup();string tt;Utf8ToMb((char *)content.c_str(),content.length(),tt);return tt;}
获取下载资源总页数
static int GetTotalPageNum(){string url = "http://download.csdn.net/my/downloads/1";string html = GetHtmlPage(url);int nPos = html.rfind("尾页");if (nPos == -1)return -1;nPos -= 2;int nStartPos = html.rfind("/",nPos);string strTotal = html.substr(nStartPos+1,nPos - nStartPos - 1);return atoi(strTotal.c_str());}
获取待评论的资源列表
static vector<DownResourceInfo> GetToCommentList(int pageNum){vector<DownResourceInfo> vtDownload;char url[128] = {0};sprintf(url,"http://download.csdn.net/my/downloads/%d",pageNum);string html = GetHtmlPage(url);int nPos = 0;int n = 0;int flag = 1;while((nPos = html.find("#comment",n)) != -1){n = nPos+1;int nStartPos = html.rfind("/",nPos);string strUrl = html.substr(nStartPos+1,nPos - nStartPos -1);DownResourceInfo info;info.strResourceCurl = strUrl;//获取资源的名字nStartPos = html.find(strUrl,nPos+1);if(nStartPos == -1)return vtDownload;nStartPos += 2;nStartPos += strUrl.length();int nEndPos = html.find("</a>",nStartPos);string ResourceName = html.substr(nStartPos,nEndPos - nStartPos);info.strResourceName = ResourceName;vtDownload.push_back(info);}return vtDownload;}
发表评论
static BOOL AddComment(string sourceId){CURL *easy_handle;CURLcode res;string content;curl_global_init(CURL_GLOBAL_ALL);easy_handle = curl_easy_init();if( easy_handle ){//初始化cookie引擎curl_easy_setopt(easy_handle, CURLOPT_COOKIEFILE,"");curl_easy_setopt(easy_handle,CURLOPT_FOLLOWLOCATION, 1L);string url = "http://download.csdn.net/index.php/comment/post_comment?jsonpcallback=jsonp1385304626524&sourceid="+sourceId+"&content=%E9%9D%9E%E5%B8%B8%E6%84%9F%E8%B0%A2%EF%BC%8C%E8%BF%99%E8%B5%84%E6%BA%90%E6%88%91%E6%89%BE%E4%BA%86%E5%A5%BD%E4%B9%85%E4%BA%86%EF%BC%81&rating=5&t=1385304679900";string referer = "Referer: http://download.csdn.net/detail/wasdzxce/"+sourceId;//http请求头struct curl_slist *headers = NULL;headers = curl_slist_append(headers,"Host: download.csdn.net");headers = curl_slist_append(headers,"User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0");headers = curl_slist_append(headers,"Accept: text/javascript, application/javascript, */*");headers = curl_slist_append(headers,"Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3");headers = curl_slist_append(headers,"Accept-Encoding: gzip, deflate");headers = curl_slist_append(headers,"Content-Type: application/x-www-form-urlencoded");headers = curl_slist_append(headers,"X-Requested-With: XMLHttpRequest");headers = curl_slist_append(headers,referer.c_str());headers = curl_slist_append(headers,"Connection: keep-alive");curl_easy_setopt(easy_handle, CURLOPT_HTTPHEADER, headers);curl_easy_setopt(easy_handle, CURLOPT_COOKIEFILE, "cookie.txt"); //读取本地存储的cookieif(!InitCurl(easy_handle,res,url,content)){//释放资源curl_slist_free_all(headers);curl_easy_cleanup(easy_handle);curl_global_cleanup();return FALSE;}//释放资源curl_slist_free_all(headers);curl_easy_cleanup(easy_handle);}curl_global_cleanup();int pos = content.find("\"succ\":1");if (pos>=0)return TRUE;elsereturn FALSE;}
原文地址:曾是土木人
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