c++ curl 登陆renren.com (cookie的使用)

╰+哭是因爲堅強的太久メ 2022-06-11 00:17 142阅读 0赞

size_t write_callback( void *ptr, size_t size, size_t nmemb, void *stream )
    {
    	int len = size * nmemb;
    	int written = len;
    
    	if ( access( (char*)stream, 0 ) == -1 )
    	{
    		fp = fopen( (char*) stream, "wb" );
    	}
    	else
    	{
    		fp = fopen( (char*) stream, "ab" );
    	}
    	if (fp)
    	{
    		fwrite( ptr, size, nmemb, fp );
    	}
    	return written;
    }
    
    
    int PostUrlchar* url, void *savepath)
    {
    	// 初始化libcurl
    	CURLcode return_code;
    	return_code = curl_global_init(CURL_GLOBAL_WIN32);
    	if (CURLE_OK != return_code)
    		return 0;
    	CURL *curl_handle;
    	CURLcode res;
    	curl_handle = curl_easy_init();
    	curl_easy_setopt(curl_handle, CURLOPT_URL, url);
    	curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, true);
    	curl_easy_setopt(curl_handle, CURLOPT_USERAGENT,"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8"); 
    	curl_easy_setopt(curl_handle, CURLOPT_COOKIEJAR, "cookie.txt"); 
    	curl_easy_setopt(curl_handle, CURLOPT_COOKIEFILE, "cookie.txt"); 
    	curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_callback);
    	curl_easy_setopt( curl_handle, CURLOPT_WRITEDATA, savepath );
    	curl_easy_setopt(curl_handle, CURLOPT_POSTFIELDS,postLoginData);
    	res = curl_easy_perform(curl_handle); 
    	curl_easy_cleanup(curl_handle);
    	curl_global_cleanup();
    	if (res == CURLE_OK)
    	{
    		return 1;
    	}
    	return 0;
    }
    
    int GetUrl(string url,void *buffer)
    {
    	// 初始化libcurl
    	CURLcode return_code;
    	return_code = curl_global_init(CURL_GLOBAL_WIN32);
    	if (CURLE_OK != return_code)
    		return 0;
    	CURL *easy_handle = curl_easy_init();
    	if (NULL == easy_handle)
    	{  
    		curl_global_cleanup();
    		return 0;
    	}
    	// 设置easy handle属性
    	curl_easy_setopt(easy_handle, CURLOPT_USERAGENT,"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8"); 
    	curl_easy_setopt(easy_handle,CURLOPT_FOLLOWLOCATION,TRUE); 
    	curl_easy_setopt(easy_handle, CURLOPT_URL, url.c_str());
    	curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, write_callback);
    	curl_easy_setopt(easy_handle, CURLOPT_WRITEDATA, buffer);
    	curl_easy_setopt(easy_handle, CURLOPT_COOKIEFILE,"cookie.txt");
    	curl_easy_setopt(easy_handle, CURLOPT_COOKIEJAR, "cookie.txt");
    	curl_easy_perform(easy_handle); 
    	curl_easy_cleanup(easy_handle);
    	curl_global_cleanup();
    	return 1;
    }

1.先post登陆到url。

2.再访问自己的主页。

可以使用Wireshark抓取各个web地址，及post具体格式的数据。