<?php
/**
 * Tiffany SMS API重构-接口类
 * @author QZQ
 */
header("Content-Type:text/html; Charset=utf-8");

class Oauth2Controller extends ControllerBase{
	
	function initialize(){
		parent::initialize();
	}
	
	/**
	 * 测试方法
	 * http://127.0.0.1/tiffany/api/oauth2/test?qaz=wsx
	 * http://weapp.wemediacn.net/d/tiffany/api/oauth2/test?qaz=wsx
	 */
	function testAction(){
		//$url = "http://wxapp.wemediacn.com/smsoauth2_qa/api/oauth2/code";
		//$url = "http://127.0.0.1/tiffany/api/oauth2/code?qaz=wsx";
		//$url = "http://wxapp.wemediacn.com/smsoauth2_qa/api/oauth2/accesstoken";
		$url = "http://127.0.0.1/tiffany/api/oauth2/accesstoken?qaz=wsx";
		$post_arr = array();
		$post_arr['appid'] = "0e355010-67b9-4aa6-a53f-c92c972094a7";
		$post_arr['appsecrect'] = "b82015bd-8d4c-4df8-87a8-c25477a8976f";
		$post_arr['code'] = "4w6cuxof5gvhi9szpeabj32l71mqrtd8";
		$post_json = json_encode($post_arr);
		$result = $this->__http_post_request($url, $post_json, true);
		print_r($result); die;
	}
	
	/**
	 * 获取code（Get code）
	 * http://127.0.0.1/tiffany/api/oauth2/code?qaz=wsx
	 * http://weapp.wemediacn.net/d/tiffany/api/oauth2/code?qaz=wsx
	 */
	function codeAction(){
		//如果未获取到请求数据
		if(empty(file_get_contents("php://input"))){
			//告知用户"系统繁忙，请稍候再试"
			$rs['errmsg'] = "系统繁忙，请稍候再试";
			$rs['errcode'] = -1;
			$rs['data'] = null;
		}
		//如果有获取到请求数据
		else{
			//准备判断请求数据整体是否为空
			$request_arr = json_decode(file_get_contents("php://input"), true);
			//如果请求数据整体为空
			if(empty($request_arr)){
				//告知用户"系统繁忙，请稍候再试"
				$rs['errmsg'] = "系统繁忙，请稍候再试";
				$rs['errcode'] = -1;
				$rs['data'] = null;
			}
			//如果请求数据整体不为空
			else{
				//准备获取所传appid
				$rs['errmsg'] = "";
				//如果未获取到appid
				if(empty($request_arr['appid'])){
					//告知用户"appid is empty;"
					$rs['errmsg'].= "appid is empty;";
				}
				//如果以上判断未通过
				if(!empty($rs['errmsg'])){
					//告知用户"参数错误 error detail:".$rs['errmsg']
					$rs['errmsg'] = "参数错误 error detail:".$rs['errmsg'];
					$rs['errcode'] = 61451;
					$rs['data'] = null;
				}
				//如果以上判断都通过
				else{
					//准备判断所传appid是否有效
					$appid = $request_arr['appid'];
					//查询接口信息
					$AppInfo = AppInfo::findFirst("AppId = '$appid' AND Enable = 0");
					//如果未查询到接口信息
					if(empty($AppInfo)){
						//告知用户"找不到app配置信息,appid无效,err detail:找不到app配置信息"
						$rs['errmsg'] = "找不到app配置信息,appid无效,err detail:找不到app配置信息";
						$rs['errcode'] = 40036;
						$rs['data'] = null;
					}
					//如果有查询到接口信息
					else{
						//获取上次请求日期
						$last_req_time = $AppInfo->LastReqTime;
						$last_req_date = date("Y-m-d", strtotime($last_req_time));
						//获取当前时间及当天日期
						$current_time = time();
						$current_datetime = date("Y-m-d H:i:s", $current_time);
						$current_date = date("Y-m-d", $current_time);
						//获取上次请求日期所在日的请求次数
						$today_req_times = $AppInfo->TodayReqTimes;
						//获取接口请求次数限制
						$day_max_req_times = $AppInfo->DayMaxReqTimes;
						//如果上次请求日期是当天日期
						if($last_req_date==$current_date){
							//如果当天请求次数已达到接口请求次数限制
							if($today_req_times>=$day_max_req_times){
								//告知用户"request today reached the request limit,err detail:超过请求上限限制"
								$rs['errmsg'] = "request today reached the request limit,err detail:超过请求上限限制";
								$rs['errcode'] = 80102;
								$rs['data'] = null;
							}
							//如果当天请求次数尚未达到接口请求次数限制
							else{
								//当天请求次数加一
								$today_req_times = $today_req_times+1;
							}
						}
						//如果上次请求日期不是当天日期
						else{
							//如果接口请求次数限制不大于0
							if($day_max_req_times<=0){
								//告知用户"request today reached the request limit,err detail:超过请求上限限制"
								$rs['errmsg'] = "request today reached the request limit,err detail:超过请求上限限制";
								$rs['errcode'] = 80102;
								$rs['data'] = null;
							}
							//如果接口请求次数限制大于0
							else{
								//初始当天请求次数
								$today_req_times = 1;
							}
						}
						//如果以上判断都通过
						if(empty($rs['errcode'])){
							//准备更新当天请求次数
							$AppInfo->LastModifiedTime = $current_datetime;
							//其他字段
							$AppInfo->TodayReqTimes = $today_req_times;
							$AppInfo->LastReqTime = $current_date;
							//如果更新失败
							if(!($AppInfo->save())){
								//告知用户"系统繁忙，请稍候再试"
								$rs['errmsg'] = "系统繁忙，请稍候再试";
								$rs['errcode'] = -1;
								$rs['data'] = null;
							}
							//如果更新成功
							else{
								//查询当前接口过去是否有生成过code
								$TempCode = TempCode::findFirst("AppId = '$appid'");
								//如果当前接口过去未生成过code
								if(empty($TempCode)){
									//准备新增临时code
									$TempCode = new TempCode();
									$TempCode->AppId = $appid;
									$TempCode->CreateTime = $current_datetime;
									$TempCode->LastModifiedTime = $current_datetime;
								}
								//如果当前接口过去有生成过code
								else{
									//准备更新临时code
									$TempCode->LastModifiedTime = $current_datetime;
								}
								//其他字段
								$TempCode->Code = $code = $this->_get_act_code(32);
								$TempCode->IsUsed = 0;
								$TempCode->ExpireTime = date("Y-m-d H:i:s", $current_time+300);
								//如果保存失败
								if(!($TempCode->save())){
									//告知用户"系统繁忙，请稍候再试"
									$rs['errmsg'] = "系统繁忙，请稍候再试";
									$rs['errcode'] = -1;
									$rs['data'] = null;
								}
								//如果保存成功
								else{
									//告知用户"ok"
									$rs['errmsg'] = "ok";
									$rs['errcode'] = 0;
									$rs['data']['code'] = $code;
								}
							}
						}
					}
				}
			}
		}
		//输出结果
		echo json_encode($rs, JSON_UNESCAPED_UNICODE);
	}
	
	/**
	 * 根据code获取access_token（Get access token by code）
	 * http://127.0.0.1/tiffany/api/oauth2/accesstoken?qaz=wsx
	 * http://weapp.wemediacn.net/d/tiffany/api/oauth2/accesstoken?qaz=wsx
	 */
	function accesstokenAction(){
		//如果未获取到请求数据
		if(empty(file_get_contents("php://input"))){
			//告知用户"系统繁忙，请稍候再试"
			$rs['errmsg'] = "系统繁忙，请稍候再试";
			$rs['errcode'] = -1;
			$rs['data'] = null;
		}
		//如果有获取到请求数据
		else{
			//准备判断请求数据整体是否为空
			$request_arr = json_decode(file_get_contents("php://input"), true);
			//如果请求数据整体为空
			if(empty($request_arr)){
				//告知用户"系统繁忙，请稍候再试"
				$rs['errmsg'] = "系统繁忙，请稍候再试";
				$rs['errcode'] = -1;
				$rs['data'] = null;
			}
			//如果请求数据整体不为空
			else{
				//准备获取所传appid、appsecrect和code
				//注意：
				//接口中的appsecrect字段本身就是用了错别词，比secret多了一个字母
				//但接口信息表AppInfo里的AppSecret字段则没有多出一个字母，要当心
				$rs['errmsg'] = "";
				//如果未获取到所传appid
				if(empty($request_arr['appid'])){
					//告知用户"appid is empty;"
					$rs['errmsg'].= "appid is empty;";
				}
				//如果未获取到所传appsecrect
				if(empty($request_arr['appsecrect'])){
					//告知用户"appsecrect is empty;"
					$rs['errmsg'].= "appsecrect is empty;";
				}
				//如果未获取到所传code
				if(empty($request_arr['code'])){
					//告知用户"code is empty;"
					$rs['errmsg'].= "code is empty;";
				}
				//如果以上判断未通过
				if(!empty($rs['errmsg'])){
					//告知用户"参数错误 error detail:".$rs['errmsg']
					$rs['errmsg'] = "参数错误 error detail:".$rs['errmsg'];
					$rs['errcode'] = 61451;
					$rs['data'] = null;
				}
				//如果以上判断都通过
				else{
					//准备判断所传appid是否有效
					$appid = $request_arr['appid'];
					//查询接口信息
					$AppInfo = AppInfo::findFirst("AppId = '$appid' AND Enable = 0");
					//如果未查询到接口信息
					if(empty($AppInfo)){
						//告知用户"找不到app配置信息,appid无效,err detail:找不到app配置信息"
						$rs['errmsg'] = "找不到app配置信息,appid无效,err detail:找不到app配置信息";
						$rs['errcode'] = 40036;
						$rs['data'] = null;
					}
					//如果有查询到接口信息
					else{
						//获取上次请求日期
						$last_req_time = $AppInfo->LastReqTime;
						$last_req_date = date("Y-m-d", strtotime($last_req_time));
						//获取当前时间及当天日期
						$current_time = time();
						$current_datetime = date("Y-m-d H:i:s", $current_time);
						$current_date = date("Y-m-d", $current_time);
						//获取上次请求日期所在日的请求次数
						$today_req_times = $AppInfo->TodayReqTimes;
						//获取接口请求次数限制
						$day_max_req_times = $AppInfo->DayMaxReqTimes;
						//如果上次请求日期是当天日期
						if($last_req_date==$current_date){
							//如果当天请求次数已达到接口请求次数限制
							if($today_req_times>=$day_max_req_times){
								//告知用户"request today reached the request limit,err detail:超过请求上限限制"
								$rs['errmsg'] = "request today reached the request limit,err detail:超过请求上限限制";
								$rs['errcode'] = 80102;
								$rs['data'] = null;
							}
							//如果当天请求次数尚未达到接口请求次数限制
							else{
								//当天请求次数加一
								$today_req_times = $today_req_times+1;
							}
						}
						//如果上次请求日期不是当天日期
						else{
							//如果接口请求次数限制不大于0
							if($day_max_req_times<=0){
								//告知用户"request today reached the request limit,err detail:超过请求上限限制"
								$rs['errmsg'] = "request today reached the request limit,err detail:超过请求上限限制";
								$rs['errcode'] = 80102;
								$rs['data'] = null;
							}
							//如果接口请求次数限制大于0
							else{
								//初始当天请求次数
								$today_req_times = 1;
							}
						}
						//如果以上判断都通过
						if(empty($rs['errcode'])){
							//准备更新当天请求次数
							$AppInfo->LastModifiedTime = $current_datetime;
							//其他字段
							$AppInfo->TodayReqTimes = $today_req_times;
							$AppInfo->LastReqTime = $current_date;
							//如果更新失败
							if(!($AppInfo->save())){
								//告知用户"系统繁忙，请稍候再试"
								$rs['errmsg'] = "系统繁忙，请稍候再试";
								$rs['errcode'] = -1;
								$rs['data'] = null;
							}
							//如果更新成功
							else{
								//准备判断appsecrect是否匹配
								$appsecrect = $request_arr['appsecrect'];
								//如果appsecrect不匹配
								if($appsecrect!=$AppInfo->AppSecret){
									//告知用户"密钥不匹配,err detail:密钥不匹配"
									$rs['errmsg'] = "密钥不匹配,err detail:密钥不匹配";
									$rs['errcode'] = 40037;
									$rs['data'] = null;
								}
								//如果appsecrect匹配
								else{
									//准备判断所传code是否匹配
									$code = $request_arr['code'];
									//查询临时code
									$TempCode = TempCode::findFirst("AppId = '$appid' AND Code = '$code'");
									//如果未查询到临时code
									if(empty($TempCode)){
										//告知用户"code 不正确,err detail:code 不匹配"
										$rs['errmsg'] = "code 不正确,err detail:code 不匹配";
										$rs['errcode'] = 40038;
										$rs['data'] = null;
									}
									//如果有查询到临时code
									else{
										//准备判断所传code是否已失效
										$expire_time = $TempCode->ExpireTime;
										//如果所传code已失效
										if($current_datetime>=$expire_time){
											//告知用户"authorize code is expired,err detail:code 已过期"
											$rs['errmsg'] = "authorize code is expired,err detail:code 已过期";
											$rs['errcode'] = 80103;
											$rs['data'] = null;
										}
										//如果所传code未失效
										else{
											//准备判断所传code是否已使用过
											$is_used = $TempCode->IsUsed;
											//如果所传code已使用过
											if(!empty($is_used)){
												//告知用户"authorize code is used,err detail:code已使用"
												$rs['errmsg'] = "authorize code is used,err detail:code已使用";
												$rs['errcode'] = 80104;
												$rs['data'] = null;
											}
											//如果所传code未使用过
											else{
												//开启事务
												$this->db->begin();
												//准备更新临时code
												$TempCode->LastModifiedTime = $current_datetime;
												//其他字段
												$TempCode->IsUsed = 1;
												//如果保存失败
												if(!($TempCode->save())){
													//回滚事务
													$this->db->rollback();
													//告知用户"系统繁忙，请稍候再试"
													$rs['errmsg'] = "系统繁忙，请稍候再试";
													$rs['errcode'] = -1;
													$rs['data'] = null;
												}
												//如果保存成功
												else{
													//查询当前接口过去是否有生成过access_token
													$AccessToken = AccessToken::findFirst("AppId = '$appid'");
													//如果当前接口过去未生成过access_token
													if(empty($AccessToken)){
														//准备新增AccessToken
														$AccessToken = new AccessToken();
														$AccessToken->Id = $this->_get_act_code(32);
														$AccessToken->AppId = $appid;
														$AccessToken->PrevAccessToken = null;
														$AccessToken->CreateTime = $current_datetime;
														$AccessToken->LastModifiedTime = $current_datetime;
													}
													//如果当前接口过去有生成过access_token
													else{
														//准备更新AccessToken
														$AccessToken->LastModifiedTime = $current_datetime;
														//如果前access_token已过期
														if($current_datetime>$AccessToken->ExpireTime){
															$AccessToken->PrevAccessToken = null;
														}
														//如果前access_token未过期
														else{
															$AccessToken->PrevAccessToken = $AccessToken->AccessToken;
														}
													}
													//其他字段
													$AccessToken->AccessToken = $access_token = $this->_get_act_code(32);
													$AccessToken->ExpireTime = date("Y-m-d H:i:s", $current_time+14400);
													//如果保存失败
													if(!($AccessToken->save())){
														//回滚事务
														$this->db->rollback();
														//告知用户"系统繁忙，请稍候再试"
														$rs['errmsg'] = "系统繁忙，请稍候再试";
														$rs['errcode'] = -1;
														$rs['data'] = null;
													}
													//如果保存成功
													else{
														//执行事务
														$this->db->commit();
														//告知用户"ok"
														$rs['errmsg'] = "ok";
														$rs['errcode'] = 0;
														$rs['data']['access_token'] = $access_token;
														$rs['data']['expire_in'] = 14400;
														$rs['data']['refresh_token'] = null;
													}
												}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
		//输出结果
		echo json_encode($rs, JSON_UNESCAPED_UNICODE);
	}
	
}
?>