Add Google suggestions for web searches

Fix issues with push results

Wox.Infrastructure/HttpRequest.cs

@@ -0,0 +1,137 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Net.Security;
+using System.Reflection;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+
+//From:http://blog.csdn.net/zhoufoxcn/article/details/6404236
+namespace Wox.Infrastructure
+{
+    /// <summary>
+    /// 有关HTTP请求的辅助类
+    /// </summary>
+    public class HttpRequest
+    {
+        private static readonly string DefaultUserAgent = "Wox/" + Assembly.GetEntryAssembly().GetName().Version.ToString() + " (+https://github.com/qianlifeng/Wox)";
+
+        /// <summary>
+        /// 创建GET方式的HTTP请求
+        /// </summary>
+        /// <param name="url">请求的URL</param>
+        /// <param name="timeout">请求的超时时间</param>
+        /// <param name="userAgent">请求的客户端浏览器信息，可以为空</param>
+        /// <param name="cookies">随同HTTP请求发送的Cookie信息，如果不需要身份验证可以为空</param>
+        /// <returns></returns>
+        public static HttpWebResponse CreateGetHttpResponse(string url, int? timeout, string userAgent, CookieCollection cookies)
+        {
+            if (string.IsNullOrEmpty(url))
+            {
+                throw new ArgumentNullException("url");
+            }
+            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
+            request.Method = "GET";
+            request.UserAgent = DefaultUserAgent;
+            if (!string.IsNullOrEmpty(userAgent))
+            {
+                request.UserAgent = userAgent;
+            }
+            if (timeout.HasValue)
+            {
+                request.Timeout = timeout.Value;
+            }
+            if (cookies != null)
+            {
+                request.CookieContainer = new CookieContainer();
+                request.CookieContainer.Add(cookies);
+            }
+            return request.GetResponse() as HttpWebResponse;
+        }
+        /// <summary>
+        /// 创建POST方式的HTTP请求
+        /// </summary>
+        /// <param name="url">请求的URL</param>
+        /// <param name="parameters">随同请求POST的参数名称及参数值字典</param>
+        /// <param name="timeout">请求的超时时间</param>
+        /// <param name="userAgent">请求的客户端浏览器信息，可以为空</param>
+        /// <param name="requestEncoding">发送HTTP请求时所用的编码</param>
+        /// <param name="cookies">随同HTTP请求发送的Cookie信息，如果不需要身份验证可以为空</param>
+        /// <returns></returns>
+        public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, int? timeout, string userAgent, Encoding requestEncoding, CookieCollection cookies)
+        {
+            if (string.IsNullOrEmpty(url))
+            {
+                throw new ArgumentNullException("url");
+            }
+            if (requestEncoding == null)
+            {
+                throw new ArgumentNullException("requestEncoding");
+            }
+            HttpWebRequest request = null;
+            //如果是发送HTTPS请求
+            if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
+            {
+                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
+                request = WebRequest.Create(url) as HttpWebRequest;
+                request.ProtocolVersion = HttpVersion.Version10;
+            }
+            else
+            {
+                request = WebRequest.Create(url) as HttpWebRequest;
+            }
+            request.Method = "POST";
+            request.ContentType = "application/x-www-form-urlencoded";
+
+            if (!string.IsNullOrEmpty(userAgent))
+            {
+                request.UserAgent = userAgent;
+            }
+            else
+            {
+                request.UserAgent = DefaultUserAgent;
+            }
+
+            if (timeout.HasValue)
+            {
+                request.Timeout = timeout.Value;
+            }
+            if (cookies != null)
+            {
+                request.CookieContainer = new CookieContainer();
+                request.CookieContainer.Add(cookies);
+            }
+            //如果需要POST数据
+            if (!(parameters == null || parameters.Count == 0))
+            {
+                StringBuilder buffer = new StringBuilder();
+                int i = 0;
+                foreach (string key in parameters.Keys)
+                {
+                    if (i > 0)
+                    {
+                        buffer.AppendFormat("&{0}={1}", key, parameters[key]);
+                    }
+                    else
+                    {
+                        buffer.AppendFormat("{0}={1}", key, parameters[key]);
+                    }
+                    i++;
+                }
+                byte[] data = requestEncoding.GetBytes(buffer.ToString());
+                using (Stream stream = request.GetRequestStream())
+                {
+                    stream.Write(data, 0, data.Length);
+                }
+            }
+            return request.GetResponse() as HttpWebResponse;
+        }
+
+        private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
+        {
+            return true; //总是接受
+        }
+    }
+}