api/app/controllers/UrlsController.php

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

class UrlsController extends ControllerBase{
	
	function initialize(){
		parent::initialize();
	}
	
	/**
	 * 测试方法
	 * http://127.0.0.1/tiffany/api/urls/test?qaz=wsx
	 * http://weapp.wemediacn.net/d/tiffany/api/urls/test?qaz=wsx
	 */
	function testAction(){
		//$url = "http://wxapp.wemediacn.com/smsoauth2_qa/api/urls/shorturl";
		$url = "http://127.0.0.1/tiffany/api/urls/shorturl?qaz=wsx";
		$post_arr = array();
		$post_arr['appid'] = "0e355010-67b9-4aa6-a53f-c92c972094a7";
		$post_arr['access_token'] = "9d21508a7531430c843cff8063dccb1c";
		$post_arr['access_token'] = "ycq9t62einm7usfah1vk4z38djxp5gwl";
		$post_arr['url'] = "https://www.baidu.com/";
		$post_json = json_encode($post_arr);
		$result = $this->__http_post_request($url, $post_json, true);
		print_r($result); die;
	}
	
	/**
	 * 长链转短链（Long URL shortening）
	 * http://127.0.0.1/tiffany/api/urls/shorturl?qaz=wsx
	 * http://weapp.wemediacn.net/d/tiffany/api/urls/shorturl?qaz=wsx
	 */
	function shorturlAction(){
		//如果是GET请求
		if($this->request->isGet()){
			//告知请求的资源不支持 http 方法“GET”。
			$rs['Message'] = "请求的资源不支持 http 方法“GET”。";
		}
		//如果未获取到请求数据
		elseif(empty(file_get_contents("php://input"))){
			//告知用户"系统繁忙，请稍候再试"
			$rs['errcode'] = -1;
			$rs['errmsg'] = "系统繁忙，请稍候再试";
			$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、长链接和access_token
				$rs['errmsg'] = "";
				//如果未获取到所传appid
				if(empty($request_arr['appid'])){
					//告知用户"appid is empty;"
					$rs['errmsg'].= "appid is empty;";
				}
				//如果未获取到所传长链接
				if(empty($request_arr['url'])){
					//告知用户"url is empty;"
					$rs['errmsg'].= "url is empty;";
				}
				//如果未获取到所传access_token
				if(empty($request_arr['access_token'])){
					//告知用户"access_token is empty;"
					$rs['errmsg'].= "access_token is empty;";
				}
				//如果以上判断未通过
				if(!empty($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{
								//准备判断所传access_token是否有效
								$access_token = $request_arr['access_token'];
								//查询接口信息
								$AccessToken = AccessToken::findFirst("AppId = '$appid' AND (AccessToken = '$access_token' OR PrevAccessToken = '$access_token')");
								//如果未查询到接口信息
								if(empty($AccessToken)){
									//告知用户"accesstoken 不正确,err detail:找不到accesstoken信息"
									$rs['errmsg'] = "accesstoken 不正确,err detail:找不到accesstoken信息";
									$rs['errcode'] = 40039;
									$rs['data'] = null;
								}
								//如果有查询到接口信息
								else{
									//获取现access_token到期时间
									$ExpireTime = $AccessToken->ExpireTime;
									//获取前access_token到期时间
									$PrevExpireTime = date("Y-m-d H:i:s", strtotime($AccessToken->ExpireTime)-14400+600);
									//如果所传access_token匹配前access_token
									if($access_token==$AccessToken->PrevAccessToken){
										//如果前access_token已过期
										//注意：
										//原代码逻辑中前access_token似乎也按现access_token的到期时间算
										//此处先遵循文档，按照现access_token生成时间后10分钟算到期时间
										if($current_datetime>$PrevExpireTime){
											//告知用户"access_token is expired,err detail:accesstoken 已过期"
											$rs['errmsg'] = "access_token is expired,err detail:accesstoken 已过期";
											$rs['errcode'] = 80105;
											$rs['data'] = null;
										}
									}
									//如果所传access_token匹配现access_token
									else{
										//如果现access_token已过期
										if($current_datetime>$ExpireTime){
											//告知用户"access_token is expired,err detail:accesstoken 已过期"
											$rs['errmsg'] = "access_token is expired,err detail:accesstoken 已过期";
											$rs['errcode'] = 80105;
											$rs['data'] = null;
										}
									}
									//如果以上判断都通过
									if(empty($rs['errcode'])){
										//设置生成长链接
										$post_arr['urls'] = json_encode(array($request_arr['url']));
										//设置生成TokenID
										$post_arr['TokenID'] = "TH3UOn1Z4p7aJFS5q8eE6Kmt9xWQsocw";
										//开发阶段转为使用测试TokenID
										$post_arr['TokenID'] = "DAdlkwahhODpoiQPKwndkwaMDsdIN59P";
										//准备生成短链接
										$url = "https://weapp.wemediacn.com/we/surl/api/get";
										//获取生成结果
										$json = $this->__http_post_request($url, $post_arr);
										//转换生成结果
										$array = json_decode($json, true);
										//如果生成失败
										if(!(strpos(strtolower($json), "ok")!==false)){
											//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;
										}
										//如果生成成功
										else{
											//告知用户"ok"
											$rs['errmsg'] = "ok";
											$rs['errcode'] = 0;
											$rs['data']['shorturl'] = $array['urls'][0]['surl'];
										}
									}
								}
							}
						}
					}
				}
			}
		}
		//输出结果
		echo json_encode($rs, JSON_UNESCAPED_UNICODE);
	}
	
}
?>