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using Apewer.Network;
using Apewer.Source;
using Newtonsoft.Json.Linq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
namespace Apewer.Web
{
/// <summary></summary>
public static class ApiUtility
{
#region Text
/// <summary>修剪 IP 地址,去除无效的部分。</summary>
public static string TrimIP(string text)
{
var trimmed = TextUtility.Trim(text);
if (string.IsNullOrEmpty(trimmed)) return "";
var ip = TextUtility.Trim(trimmed.Split(':')[0]);
return NetworkUtility.IsIP(ip) ? ip : "";
}
/// <summary>按 &amp; 拆分多个参数。</summary>
public static StringPairs Parameters(string query, bool decode = true)
{
var input = query;
var list = new StringPairs();
if (!string.IsNullOrEmpty(input))
{
if (input[0] == '?') input = input.Substring(1);
var args = input.Split('&');
foreach (var arg in args)
{
var equals = arg.IndexOf("=");
var left = equals < 0 ? arg : arg.Substring(0, equals);
var right = equals < 0 ? "" : arg.Substring(equals + 1);
if (decode)
{
left = TextUtility.DecodeUrl(left);
right = TextUtility.DecodeUrl(right);
}
list.Add(left, right);
}
}
return list;
}
/// <summary>获取参数并解码,可要求修剪参数值。</summary>
public static string Parameter(string encoded, bool trim, params string[] names)
{
if (string.IsNullOrEmpty(encoded)) return null;
if (names == null || names.Length < 1) return null;
// Names 转为小写,加强适配。
var lowerNames = new List<string>(names.Length);
foreach (var name in names)
{
var lower = TextUtility.Lower(name);
if (string.IsNullOrEmpty(lower)) continue;
lowerNames.Add(lower);
}
if (lowerNames.Count < 1) return null;
// 分参数对比。
var parameters = Parameters(encoded);
var matched = false;
foreach (var parameter in parameters)
{
var left = parameter.Key;
var right = parameter.Value;
if (trim) right = TextUtility.Lower(right);
var lowerLeft = TextUtility.Lower(left);
if (lowerNames.Contains(right))
{
matched = true;
if (!string.IsNullOrEmpty(right)) return right;
}
}
return matched ? "" : null;
}
/// <summary>获取参数,可要求修剪参数值。</summary>
public static string Parameter(StringPairs parameters, bool trim, params string[] names)
{
if (parameters == null || parameters.Count < 1) return null;
if (names == null || names.Length < 1) return null;
var lowerNames = new List<string>(names.Length);
foreach (var name in names)
{
var lower = TextUtility.Lower(name);
if (string.IsNullOrEmpty(lower)) continue;
lowerNames.Add(lower);
}
foreach (var parameter in parameters)
{
var lowerKey = TextUtility.Lower(parameter.Key);
if (lowerNames.Contains(lowerKey))
{
var value = parameter.Value;
if (trim) value = TextUtility.Trim(value);
if (!string.IsNullOrEmpty(value)) return value;
}
}
return null;
}
/// <summary>获取 User Agent。</summary>
public static string UserAgent(HttpHeaders headers) => headers == null ? null : headers.GetValue("user-agent");
// 从 Uri 对象中解析路径片段。
private static string[] Segmentals(Uri url)
{
if (url == null) return null;
if (string.IsNullOrEmpty(url.AbsolutePath)) return null;
var segmentals = url.AbsolutePath.Split('/');
return segmentals;
}
// 获取已经解析的路径片段。
private static string Segmental(string[] segmentals, int index = 3, bool decode = false)
{
if (segmentals == null || segmentals.Length < 1) return null;
if (index < 1 || index >= segmentals.Length) return null;
var segmental = segmentals[index];
if (decode) segmental = TextUtility.DecodeUrl(segmental);
return segmental;
}
#endregion
#region Headers
/// <summary></summary>
public static HttpMethod Method(string method)
{
if (!string.IsNullOrEmpty(method))
{
var upper = TextUtility.Upper(method);
if (upper.Contains("OPTIONS")) return HttpMethod.OPTIONS;
else if (upper.Contains("POST")) return HttpMethod.POST;
else if (upper.Contains("GET")) return HttpMethod.GET;
else if (upper.Contains("CONNECT")) return HttpMethod.CONNECT;
else if (upper.Contains("DELETE")) return HttpMethod.DELETE;
else if (upper.Contains("HEAD")) return HttpMethod.HEAD;
else if (upper.Contains("PATCH")) return HttpMethod.PATCH;
else if (upper.Contains("PUT")) return HttpMethod.PUT;
else if (upper.Contains("TRACE")) return HttpMethod.TRACE;
}
return HttpMethod.NULL;
}
/// <summary>获取 X-Forwarded-For,不存在时返回 NULL 值。</summary>
public static string[] GetForwardedIP(HttpHeaders headers)
{
if (headers != null)
{
var value = headers.GetValue("x-forwarded-for");
if (!string.IsNullOrEmpty(value))
{
var fips = new List<string>();
var split = value.Split(',', ' ');
foreach (var para in split)
{
var fip = TrimIP(para);
if (!string.IsNullOrEmpty(fip)) fips.Add(fip);
}
return fips.ToArray();
}
}
return new string[0];
}
#endregion
#region Cookies
// https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Headers/Set-Cookie
// <cookie-name> 可以是除了控制字符 (CTLs)、空格 (spaces) 或制表符 (tab)之外的任何 US-ASCII 字符。
// 同时不能包含以下分隔字符: ( ) < > @ , ; : \ " / [ ] ? = { }.
// <cookie-value> 是可选的,如果存在的话,那么需要包含在双引号里面。
// 支持除了控制字符(CTLs)、空格(whitespace)、双引号(double quotes)、逗号(comma)、分号(semicolon)以及反斜线(backslash)之外的任意 US-ASCII 字符。
// 关于编码:许多应用会对 cookie 值按照URL编码(URL encoding)规则进行编码,但是按照 RFC 规范,这不是必须的。
// 不过满足规范中对于 <cookie-value> 所允许使用的字符的要求是有用的。
const string CookieChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&*+-<>^_`|~";
/// <summary>修剪 Cookie 的 Name 文本。</summary>
public static string CookieName(string name)
{
if (name.IsEmpty()) return null;
var t = TextUtility.Restrict(name, CookieChars);
while (t.StartsWith("$")) t = t.Substring(1);
return t;
}
/// <summary>修剪 Cookie 的 Value 文本。</summary>
public static string CookieValue(string value)
{
if (value.IsEmpty()) return value;
var t = TextUtility.Restrict(value, CookieChars);
if (t != value)
{
t = TextUtility.EncodeUrl(value);
t = TextUtility.Restrict(t, CookieChars);
}
return t;
}
static string CookieExpires(DateTime dt)
{
// Expires=Wed, 21 Oct 2015 07:28:00 GMT;
var utc = dt.ToUniversalTime();
var sb = new StringBuilder();
var week = utc.DayOfWeek.ToString().Substring(0, 3);
sb.Append(week);
sb.Append(", ");
var day = utc.Day;
if (day < 10) sb.Append("0");
sb.Append(day);
sb.Append(" ");
var month = null as string;
switch (utc.Month)
{
case 1: month = "Jan"; break;
case 2: month = "Feb"; break;
case 3: month = "Mar"; break;
case 4: month = "Apr"; break;
case 5: month = "May"; break;
case 6: month = "Jun"; break;
case 7: month = "Jul"; break;
case 8: month = "Aug"; break;
case 9: month = "Sep"; break;
case 10: month = "Oct"; break;
case 11: month = "Nov"; break;
case 12: month = "Dec"; break;
}
sb.Append(month);
sb.Append(" ");
var year = utc.Year;
if (year < 1000) sb.Append("0");
if (year < 100) sb.Append("0");
if (year < 10) sb.Append("0");
sb.Append(year);
sb.Append(" ");
var time = ClockUtility.Lucid(utc, false, true, true, false);
sb.Append(time);
sb.Append(" GMT");
return sb.ToString();
}
/// <summary>获取 Cookies 中第一个匹配到的值。</summary>
public static string GetValue(this CookieCollection cookies, string name)
{
if (cookies == null || name.IsEmpty()) return null;
var count = cookies.Count;
for (var i = 0; i < count; i++)
{
var cookie = cookies[i];
var n = cookie.Name;
if (name == n) return cookie.Value;
}
var lower = TextUtility.Lower(name);
for (var i = 0; i < count; i++)
{
var cookie = cookies[i];
var n = TextUtility.Lower(cookie.Name);
if (lower == n) return cookie.Value;
}
return null;
}
/// <summary>添加 Cookie 到集合。</summary>
/// <param name="cookies">Cookie 集合。</param>
/// <param name="name">名称。</param>
/// <param name="value">值。</param>
/// <param name="path">应用的路径。</param>
/// <exception cref="CookieException"></exception>
public static void Add(this CookieCollection cookies, string name, string value, string path = "/") => Add(cookies, name, value, path, null);
/// <summary>添加 Cookie 到集合。</summary>
/// <param name="cookies">Cookie 集合。</param>
/// <param name="name">名称。</param>
/// <param name="value">值。</param>
/// <param name="path">应用的路径。</param>
/// <param name="expires">过期时间。</param>
/// <exception cref="CookieException"></exception>
public static void Add(this CookieCollection cookies, string name, string value, DateTime expires, string path = "/") => Add(cookies, name, value, path, new Class<DateTime>(expires));
/// <summary>添加 Cookie 到集合。</summary>
/// <param name="cookies">Cookie 集合。</param>
/// <param name="name">名称。</param>
/// <param name="value">值。</param>
/// <param name="path">应用的路径。</param>
/// <param name="expires">过期时间。</param>
/// <exception cref="CookieException"></exception>
public static void Add(this CookieCollection cookies, string name, string value, string path, DateTime expires) => Add(cookies, name, value, path, new Class<DateTime>(expires));
static void Add(this CookieCollection cookies, string name, string value, string path, Class<DateTime> expires)
{
if (cookies == null) return;
name = CookieName(name);
value = CookieName(value) ?? "";
if (string.IsNullOrEmpty(name)) return;
var cookie = new Cookie(name, value);
cookie.Path = string.IsNullOrEmpty(path) ? "/" : path;
if (expires != null) cookie.Expires = expires.Value;
cookies.Add(cookie);
}
/// <summary>遍历 Cookie 集合。</summary>
public static void ForEach(this CookieCollection cookies, Action<Cookie> action)
{
if (cookies == null || action == null) return;
var count = cookies.Count;
for (var i = 0; i < count; i++)
{
var cookie = cookies[i];
if (cookie == null) continue;
action.Invoke(cookie);
}
}
internal static CookieCollection ParseCookies(HttpHeaders headers)
{
var cookies = new CookieCollection();
if (headers == null) return cookies;
var hvs = headers.GetValues("Cookie");
foreach (var hv in hvs)
{
if (string.IsNullOrEmpty(hv)) continue;
var lines = hv.Split(';');
foreach (var line in lines)
{
var e = line.IndexOf("=");
if (e < 0) continue;
var name = TextUtility.Left(line, e, true);
var value = TextUtility.Right(line, line.Length - e - 1, true);
if (string.IsNullOrEmpty(name)) continue;
if (string.IsNullOrEmpty(value)) continue;
cookies.Add(name, value);
}
}
return cookies;
}
/// <summary>生成 Set-Cookie 的值。</summary>
public static string SetCookie(Cookie cookie)
{
if (cookie == null) return null;
var n = CookieName(cookie.Name);
if (n.IsEmpty()) return null;
var v = CookieValue(cookie.Value);
if (v == null) v = "";
var sb = new StringBuilder();
sb.Append(n);
sb.Append("=");
sb.Append(v);
var expires = cookie.Expires;
if (expires > DateTime.MinValue)
{
sb.Append("; Expires=");
sb.Append(CookieExpires(expires));
}
var domain = cookie.Domain;
if (!string.IsNullOrEmpty(domain))
{
sb.Append("; Domain=");
sb.Append(domain);
}
var path = cookie.Path;
sb.Append("; Path=");
sb.Append(string.IsNullOrEmpty(path) ? "/" : path);
var secure = cookie.Secure;
if (secure)
{
sb.Append("; Secure");
}
return sb.ToString();
}
/// <summary>生成 Set-Cookie 的值。</summary>
public static string[] SetCookie(CookieCollection cookies)
{
if (cookies == null) return null;
var count = cookies.Count;
var lines = new List<string>(count);
for (var i = 0; i < count; i++)
{
var cookie = cookies[i];
var value = SetCookie(cookie);
if (value.IsEmpty()) continue;
lines.Add(value);
}
return lines.ToArray();
}
#endregion
#region ApiController
/// <summary>设置控制器属性。</summary>
public static void SetProperties(ApiController controller, ApiRequest request, ApiResponse response, ApiOptions options)
{
if (controller == null) return;
controller.Request = request;
controller.Response = response;
controller._options = options;
}
/// <summary>获取由控制器构造函数指定的初始化程序。</summary>
public static Func<ApiController, bool> GetInitialier(this ApiController controller) => controller == null ? null : controller._func;
/// <summary>获取由控制器构造函数指定的默认程序。</summary>
public static Action<ApiController> GetDefault(this ApiController controller) => controller == null ? null : controller._default;
/// <summary>获取选项。</summary>
public static ApiOptions GetOptions(this ApiController controller) => controller == null ? null : controller._options;
/// <summary>以 POST 转移请求到其它 URL。</summary>
private static string Transfer(ApiController controller, string url, string application = null, string function = null)
{
if (controller == null || controller.Request == null || controller.Response == null) return "ApiControllser 无效。";
if (url.IsEmpty()) return "ApiController 无效。";
var s = Json.NewObject();
s.SetProperty("random", TextUtility.Key());
s.SetProperty("application", application.IsEmpty() ? controller.Request.Application : application);
s.SetProperty("function", function.IsEmpty() ? controller.Request.Function : function);
s.SetProperty("data", controller.Request.Data);
s.SetProperty("session", controller.Request.Session);
s.SetProperty("ticket", controller.Request.Ticket);
s.SetProperty("page", controller.Request.Page);
var c = new HttpClient();
c.Url = url;
c.Method = HttpMethod.POST;
// TODO 设置 Request 的 Cookies。
c.RequestData = s.ToString().Bytes();
var e = c.Send();
if (e != null) return e.Message;
// TODO 解析 Response 的 Cookies。
var r = Json.From(c.ResponseData.Text());
if (r == null || !r.Available)
{
controller.Response.Error("请求失败。");
return "请求失败。";
}
if (r["status"] != "ok")
{
controller.Response.Error(r["message"]);
return r["message"];
}
controller.Response.Data.Reset(r.GetProperty("data"));
return null;
}
/// <summary>创建指定类型的控制器,并引用当前控制器的 Request 和 Response。</summary>
public static T Create<T>(this ApiController current) where T : ApiController, new()
{
var controller = new T();
if (current != null)
{
controller.Request = current.Request;
controller.Response = current.Response;
}
return controller;
}
/// <summary>使用默认控制器处理请求。</summary>
public static void UseDefault(this ApiController current)
{
if (current == null) return;
var options = GetOptions(current);
if (options == null) return;
var type = options.Default;
if (type == null) return;
var controller = null as ApiController;
try
{
controller = (ApiController)Activator.CreateInstance(type);
SetProperties(controller, current.Request, current.Response, options);
}
catch
{
return;
}
controller.GetInitialier()?.Invoke(controller);
}
#endregion
#region ApiContext
/// <summary>作为纯文本输出。</summary>
/// <remarks>Content-Type: text/plain</remarks>
public static void Text(ApiContext context, string text)
{
if (context == null) return;
Model(context.Response, new ApiTextModel(text, "text/plain"));
}
/// <summary>设置 status 为 error,并设置 message 的内容。</summary>
public static void Error(ApiContext context, string text)
{
if (context == null) return;
Error(context.Response, text);
}
#endregion
#region ApiRequest
/// <summary>获取 URL 路径段,不存在的段为 NULL 值。可要求解码。</summary>
public static string Segmental(this ApiRequest request, int index = 3, bool decode = false)
{
if (request == null) return null;
if (request._segmentals == null) request._segmentals = Segmentals(request.Url);
return Segmental(request._segmentals, index, decode);
}
/// <summary>获取参数,指定可能的参数名,默认将修剪参数值。</summary>
/// <remarks>当从 URL 中获取参数时将解码。</remarks>
public static string Parameter(this ApiRequest request, params string[] names) => Parameter(request, true, names);
/// <summary>获取参数,指定可能的参数名,可要求修剪参数值。</summary>
/// <remarks>当从 URL 中获取参数时将解码。</remarks>
public static string Parameter(ApiRequest request, bool trim, params string[] names)
{
if (request == null) return null;
if (names == null || names.Length < 1) return null;
var dedupNames = new List<string>(names.Length);
var lowerNames = new List<string>(names.Length);
foreach (var name in names)
{
if (string.IsNullOrEmpty(name)) continue;
if (dedupNames.Contains(name)) continue;
else dedupNames.Add(name);
var lower = TextUtility.Lower(name);
if (lowerNames.Contains(lower)) continue;
else lowerNames.Add(lower);
}
var matched = false;
// POST 优先。
var data = request.Data;
if (data != null && data.IsObject)
{
var properties = data.GetProperties();
if (properties != null)
{
// Json 区分大小写,先全字匹配。
foreach (var property in properties)
{
if (!property.IsProperty) continue;
var name = property.Name;
if (!dedupNames.Contains(name)) continue;
var value = property.Value;
if (value == null) continue;
matched = true;
var text = value.ToString();
if (trim) text = TextUtility.Trim(text);
if (!string.IsNullOrEmpty(text)) return text;
}
// 以小写模糊匹配。
foreach (var property in properties)
{
if (!property.IsProperty) continue;
var name = TextUtility.Lower(property.Name);
if (!lowerNames.Contains(name)) continue;
var value = property.Value;
if (value == null) continue;
matched = true;
var text = value.ToString();
if (trim) text = TextUtility.Trim(text);
if (!string.IsNullOrEmpty(text)) return text;
}
}
}
// 从已解析的 Get 参数中搜索。
if (request.Parameters != null)
{
var value = Parameter(request.Parameters, trim, names);
if (!string.IsNullOrEmpty(value)) return value;
if (value != null) matched = true;
}
return matched ? "" : null;
}
#endregion
#region ApiResponse
internal static ApiModel Model(ApiResponse response, ApiModel model)
{
if (response == null && model == null) return null;
response.Model = model;
return model;
}
/// <summary>设置响应。</summary>
public static string Respond(ApiResponse response, Json data, bool lower = true)
{
if (response == null) return "Response 对象无效。";
if (data != null)
{
if (lower) data = Json.Lower(data);
response.Data = data;
}
return null;
}
/// <summary>设置响应,当发生错误时设置响应。返回错误信息。</summary>
public static string Respond(ApiResponse response, IList list, bool lower = true, int depth = -1, bool force = false)
{
if (response == null) return "Response 对象无效。";
if (list == null)
{
var error = "列表对象无效。";
response.Error(error);
return error;
}
var json = Json.From(list, lower, depth, force);
if (json == null || !json.Available)
{
var error = "列表无法序列化。";
response.Error(error);
return error;
}
if (response.Data == null) response.Data = Json.NewObject();
response.Data.SetProperty("count", list.Count);
response.Data.SetProperty("list", Json.From(list, lower, depth, force));
return null;
}
/// <summary>设置响应,当发生错误时设置响应。返回错误信息。</summary>
public static string Respond(ApiResponse response, IRecord record, bool lower = true)
{
if (response == null) return "Response 对象无效。";
if (record == null)
{
var error = "记录无效。";
response.Error(error);
return error;
}
var json = Json.From(record, lower);
if (json == null || !json.Available)
{
var error = "记录无法序列化。";
response.Error(error);
return error;
}
if (response.Data == null) response.Data = Json.NewObject();
response.Data.Reset(json);
return null;
}
/// <summary>设置 status 为 error,并设置 message 的内容。</summary>
public static void Error(ApiResponse response, string message = "未知错误。")
{
if (response == null) return;
response.Model = null;
response.Status = "error";
response.Message = message ?? TextUtility.Empty;
}
/// <summary>设置 status 为 exception,并设置 message 的内容。</summary>
public static void Exception(ApiResponse response, Exception exception, bool setData = true)
{
if (response == null) return;
response.Model = null;
response.Status = "exception";
if (exception != null)
{
try
{
if (setData)
{
var json = ToJson(exception);
response.Message = json["message"];
response.Data = json;
}
else
{
response.Message = exception.Message();
}
}
catch { }
}
}
private static Json ToJson(Exception exception, bool withInner = true)
{
if (exception == null) return ToJson(new NullReferenceException());
var json = Json.NewObject();
json.SetProperty("type", exception.GetType().FullName);
json.SetProperty("message", exception.Message);
var st = exception.StackTrace;
if (!string.IsNullOrEmpty(st))
{
var stack = Json.NewArray();
var split = st.Split('\r', '\n');
foreach (var line in split)
{
var trim = TextUtility.Trim(line);
if (string.IsNullOrEmpty(trim)) continue;
stack.AddItem(trim);
}
json.SetProperty("stack", stack);
}
if (withInner)
{
var iex = exception.InnerException;
if (iex != null) json.SetProperty("inner", ToJson(exception, false));
}
return json;
}
/// <summary>停止 Invoker 对返回值的处理。</summary>
public static void StopReturn(ApiResponse response)
{
if (response == null) return;
response.StopReturn = true;
}
/// <summary>生成 Response 的 Json 实例。</summary>
public static string ToJson(this ApiResponse response, ApiOptions options = null)
{
if (response == null) return "{}";
if (string.IsNullOrEmpty(response.Status)) response.Status = "ok";
var json = Json.NewObject();
if (options == null) options = new ApiOptions();
// 执行时间。
if (options.WithClock)
{
json.SetProperty("clock", ClockUtility.Lucid(DateTime.Now));
}
// 持续时间。
if (options.WithDuration)
{
if (response.Duration.NotEmpty()) json.SetProperty("duration", response.Duration);
}
// 随机值。
var random = response.Random;
if (!string.IsNullOrEmpty(random)) json.SetProperty("random", random);
// 调用。
if (options.WithTarget)
{
json.SetProperty("application", response.Application);
json.SetProperty("function", response.Function);
}
// 状态。
json.SetProperty("status", (TextUtility.IsBlank(response.Status) ? TextUtility.Empty : response.Status.ToLower()));
if (!string.IsNullOrEmpty(response.Message)) json.SetProperty("message", response.Message);
// 用户数据。
if (response.Message == "exception" && !options.WithException) json.SetProperty("data");
else json.SetProperty("data", response.Data);
var indented = response.Indented || options.JsonIndent;
var text = json.ToString(indented);
return text;
}
#endregion
#region ApiResult
/// <summary>对 HTTP 结果设置文件名。</summary>
/// <param name="result">结果。</param>
/// <param name="name">文件名(未编码)。</param>
public static void SetAttachemnt(this HeadResult result, string name)
{
if (result == null) throw new ArgumentNullException(nameof(result));
if (name.IsEmpty()) throw new ArgumentNullException(nameof(name));
var encoded = TextUtility.EncodeUrl(name);
result.Headers.Add("Content-Disposition", $"attachment; filename={encoded}");
}
#endregion
#region ApiFunction Parameters
internal static object[] ReadParameters(ApiRequest request, ApiFunction function)
{
if (request == null || function == null) return null;
return ReadParameters(request, function.Parameters);
}
/// <summary>为带有形参的 Function 准备实参。</summary>
/// <param name="request">API 请求模型。</param>
/// <param name="parameters">Function 的参数信息。</param>
/// <returns>实参。</returns>
public static object[] ReadParameters(ApiRequest request, ParameterInfo[] parameters)
{
if (request == null || parameters == null || parameters.Length < 1) return null;
var apiParameters = parameters.Map(x => ApiParameter.Parse(x) ?? throw new Exception($"参数【{x.Name}】无效。"));
return ReadParameters(request, apiParameters);
}
/// <summary>为带有形参的 Function 准备实参。</summary>
/// <param name="request">API 请求模型。</param>
/// <param name="parameters">Function 的参数信息。</param>
/// <returns>实参。</returns>
public static object[] ReadParameters(ApiRequest request, ApiParameter[] parameters)
{
if (request == null || parameters == null || parameters.Length < 1) return null;
if (parameters == null) return null;
var count = parameters.Length;
if (count < 1) return null;
// 当 Function 仅有一个参数时,尝试生成模型。
if (count == 1 && parameters[0] != null)
{
var parameterName = parameters[0].Name;
var parameterType = parameters[0].Type;
// POST
if (request.Method == HttpMethod.POST)
{
// string
if (parameterType.Equals(typeof(string))) return new object[] { request.Parameters.GetValue(parameterName, true) };
// json
if (parameterType.Equals(typeof(Json))) return new object[] { request.PostJson };
#if !NET20
// dynamic
if (parameterType.Equals(typeof(object)))
{
try
{
// var expando = new System.Dynamic.ExpandoObject();
// var dict = expando as IDictionary<string, object>;
var expando = new ObjectSet(false, true);
var dict = expando.Origin();
if (request.Form != null)
{
foreach (var kvp in request.Form)
{
if (dict.ContainsKey(kvp.Key)) continue;
dict.Add(kvp.Key, kvp.Value);
}
}
else if (request.PostJson)
{
var jprops = request.PostJson.GetProperties();
foreach (var jprop in jprops)
{
var name = jprop.Name;
if (dict.ContainsKey(name)) continue;
var value = jprop.Value;
if (value != null)
{
}
dict.Add(name, value);
}
}
return new object[] { expando };
}
catch { }
}
#endif
// class
if (parameterType.IsClass)
{
try
{
var entity = ReadParameter(request.Data, parameterType);
if (entity == null) entity = ReadParameter(request.PostJson, parameterType);
if (entity != null) return new object[] { entity.Value };
}
catch { }
}
if (request.PostJson) return new object[] { request.PostJson };
if (request.Form != null) return new object[] { request.Form };
if (request.PostText.NotEmpty()) return new object[] { request.PostText };
return new object[] { request.PostData };
}
else
{
// string
if (parameterType.Equals(typeof(string))) return new object[] { request.Parameters.GetValue(parameterName, true) };
// json
if (parameterType.Equals(typeof(Json))) return new object[] { Json.From(request.Parameters.GetValue(parameterName, true)) };
}
}
var values = new object[count];
for (var i = 0; i < count; i++)
{
if (parameters[i] != null)
{
var name = parameters[i].Name;
var type = parameters[i].Type;
var text = Parameter(request, name);
values[i] = ReadParameter(text, type);
}
}
return values;
}
static Class<object> ReadParameter(Json json, Type type)
{
if (json)
{
if (json.IsObject)
{
var properties = json.GetProperties();
if (properties.Length > 0)
{
var entity = Json.Object(type, json, true, null, true);
return new Class<object>(entity);
}
}
if (json.IsArray)
{
var items = json.GetItems();
if (items.Length > 0)
{
var entity = Json.Object(type, json, true, null, true);
return new Class<object>(entity);
}
}
}
return null;
}
static object ReadParameter(string text, Type type)
{
if (type.Equals(typeof(object)) || type.Equals(typeof(string))) return text;
if (type.Equals(typeof(bool))) return NumberUtility.Boolean(text);
if (type.Equals(typeof(float))) return NumberUtility.Single(text);
if (type.Equals(typeof(double))) return NumberUtility.Double(text);
if (type.Equals(typeof(decimal))) return NumberUtility.Decimal(text);
if (type.Equals(typeof(byte))) return NumberUtility.Byte(text);
if (type.Equals(typeof(sbyte))) return NumberUtility.SByte(text);
if (type.Equals(typeof(short))) return NumberUtility.Int16(text);
if (type.Equals(typeof(ushort))) return NumberUtility.UInt16(text);
if (type.Equals(typeof(int))) return NumberUtility.Int32(text);
if (type.Equals(typeof(uint))) return NumberUtility.UInt32(text);
if (type.Equals(typeof(long))) return NumberUtility.Int64(text);
if (type.Equals(typeof(ulong))) return NumberUtility.UInt64(text);
if (type.Equals(typeof(byte[]))) return TextUtility.FromBase64(text);
if (type.Equals(typeof(Json))) return Json.From(text);
return type.IsValueType ? Activator.CreateInstance(type) : null;
}
#endregion
#region Enumerate Entries
internal static Json Enumerate(IEnumerable<ApiApplication> applications, ApiOptions options)
{
var list = Json.NewArray();
var count = 0;
if (applications != null)
{
foreach (var app in applications)
{
if (app == null) continue;
if (app.Hidden) continue;
list.AddItem(app.ToJson(options));
count = count + 1;
}
}
var json = Json.NewObject();
json.SetProperty("count", count);
json.SetProperty("applications", list);
return json;
}
internal static Json Enumerate(IEnumerable<ApiFunction> functions, ApiOptions options)
{
var count = 0;
var list = Json.NewArray();
if (functions != null)
{
foreach (var func in functions)
{
if (func == null) continue;
if (func.Hidden) continue;
list.AddItem(func.ToJson(options));
count = count + 1;
}
}
var json = Json.NewObject();
json.SetProperty("count", count);
json.SetProperty("functions", list);
return json;
}
#endregion
}
}