JSJP_Student/jiaPei/Modules/HomePageModule/Model/RQHTTPService+RQGetPlaceList.m

//
//  RQHTTPService+RQGetPlaceList.m
//  JiaPei
//
//  Created by 张嵘 on 2023/4/14.
//  查询考场信息列表

#import "RQHTTPService+RQGetPlaceList.h"
#include <CommonCrypto/CommonCrypto.h>

@implementation RQPlaceListModel
- (void)checkWithComplete:(VoidBlock_Bool)complete {
    __block BOOL isVerify;
    //rsa 公钥
    NSString *publicKey = [NSString stringWithFormat:@"%@%@%@",@"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCzR04LMmDlwyVRfK+Kgsm/vFMOFyqvGk4QIVC",@"Gj2CKKfhycRExm15N3tKOOouIjl/EU79It45oS+ltJkscvYrJn1zz+1bSoBLelZzJrn7K0NpHF8k", @"bCprsFHd60x+YJ4l8C3SDxfFebo4kqveJzx6JNZKwzFm7LPEO5XB9pEBRwIDAQAB"];
    // 构造被签名串
    NSMutableString *mutableVerifyString = [[NSMutableString alloc] initWithString:[NSString stringWithFormat:@"%@",self.userId]];
    if (RQStringIsNotEmpty(self.expirationTime)) {
        [mutableVerifyString appendFormat:@"%ld",[RQ_SHARE_FUNCTION getTimeStampWithTimeStr:self.expirationTime formatter:@"yyyy-MM-dd HH:mm:ss"]];
    }
    
    [mutableVerifyString appendFormat:@"%ld",self.isVip];
    
    
    //公钥验签
    isVerify = [self verify:mutableVerifyString.copy signature:RQStringIsNotEmpty(self.sign)? self.sign : @"" withPublivKey:publicKey];
    NSLog(@"验签通过了吧------%@", isVerify ? @"YES":@"NO");
    BOOL isVip = self.isVip == 1;
    self.isCheckVip = isVip;
    if (complete) {
        complete(isVerify? isVip : NO);
    }
}

#pragma mark - PrivateMethods
// verify Signature
- (BOOL)verify:(NSString *)content signature:(NSString *)signature withPublivKey:(NSString *)publicKey {
    SecKeyRef publicKeyRef = [self addPublicKey:publicKey];
    if (!publicKeyRef) { NSLog(@"添加公钥失败"); return NO; }
    NSData *originData = [self sha256:content];
    NSData *signatureData = [[NSData alloc] initWithBase64EncodedString:signature options:NSDataBase64DecodingIgnoreUnknownCharacters];
    if (!originData || !signatureData) { return NO; }
    OSStatus status =  SecKeyRawVerify(publicKeyRef, kSecPaddingPKCS1SHA256, [originData bytes], originData.length, [signatureData bytes], signatureData.length);
    
    if (status ==noErr) { return  YES; }
    else{ NSLog(@"验签失败:%d",status); return NO; }
}

// digest message with sha1
- (NSData *)sha256:(NSString *)str {
    const void *data = [str cStringUsingEncoding:NSUTF8StringEncoding];
    CC_LONG len = (CC_LONG)strlen(data);
    uint8_t * md = malloc( CC_SHA256_DIGEST_LENGTH * sizeof(uint8_t) );;
    CC_SHA256(data, len, md);
    return [NSData dataWithBytes:md length:CC_SHA256_DIGEST_LENGTH];
}

- (SecKeyRef)addPublicKey:(NSString *)pubKey {
    NSData *data = [[NSData alloc] initWithBase64EncodedString:pubKey options:NSDataBase64DecodingIgnoreUnknownCharacters];
    
    //a tag to read/write keychain storage
    NSString *tag = @"RSA_PUBLIC_KEY";
    NSData *d_tag = [NSData dataWithBytes:[tag UTF8String] length:[tag length]];
    
    // Delete any old lingering key with the same tag
    NSMutableDictionary *publicKey = [[NSMutableDictionary alloc] init];
    [publicKey setObject:(__bridge id) kSecClassKey forKey:(__bridge id)kSecClass];
    [publicKey setObject:(__bridge id) kSecAttrKeyTypeRSA forKey:(__bridge id)kSecAttrKeyType];
    [publicKey setObject:d_tag forKey:(__bridge id)kSecAttrApplicationTag];
    SecItemDelete((__bridge CFDictionaryRef)publicKey);
    
    // Add persistent version of the key to system keychain
    [publicKey setObject:data forKey:(__bridge id)kSecValueData];
    [publicKey setObject:(__bridge id) kSecAttrKeyClassPublic forKey:(__bridge id)kSecAttrKeyClass];
    [publicKey setObject:[NSNumber numberWithBool:YES] forKey:(__bridge id)kSecReturnPersistentRef];
    
    CFTypeRef persistKey = nil;
    OSStatus status = SecItemAdd((__bridge CFDictionaryRef)publicKey, &persistKey);
    if (persistKey != nil){
        CFRelease(persistKey);
    }
    
    if ((status != noErr) && (status != errSecDuplicateItem)) { return nil; }
    
    [publicKey removeObjectForKey:(__bridge id)kSecValueData];
    [publicKey removeObjectForKey:(__bridge id)kSecReturnPersistentRef];
    [publicKey setObject:[NSNumber numberWithBool:YES] forKey:(__bridge id)kSecReturnRef];
    [publicKey setObject:(__bridge id) kSecAttrKeyTypeRSA forKey:(__bridge id)kSecAttrKeyType];
    
    // Now fetch the SecKeyRef version of the key
    SecKeyRef keyRef = nil;
    status = SecItemCopyMatching((__bridge CFDictionaryRef)publicKey, (CFTypeRef *)&keyRef);
    if(status != noErr){
        return nil;
    }
    return keyRef;
}
@end

@implementation RQHTTPService (RQGetPlaceList)
/**
 查询考场信息列表
 @param pageNum 当前页码
 @param pageSize 每页数据量
 @param locationModel 定位信息
 @param placeName 搜索关键字
 @return Returns a signal which will send complete, or error.
 */
- (RACSignal *)getPlaceListWithPageNum:(NSInteger)pageNum pageSize:(NSInteger)pageSize placeName:(NSString *)placeName {
    /// 1. 配置参数
    RQKeyedSubscript *subscript = [RQKeyedSubscript subscript];
    if (pageNum != 0 && pageSize != 0) {
        /// 当前页码
        subscript[@"pageNum"] = @(pageNum);
        /// 每页数据量
        subscript[@"pageSize"] = @(pageSize);
    }
    if (RQStringIsNotEmpty(placeName)) {
        /// 考场名称
        subscript[@"name"] = placeName;
    }
    /// 城市ID
    subscript[@"cityId"] = RQ_USER_MANAGER.currentUser.city;
    /// 用户id
    subscript[@"userId"] = RQ_USER_MANAGER.currentUser._id;


    
    /// 2. 配置参数模型
    RQURLParameters *paramters = [RQURLParameters urlParametersWithMethod:RQ_HTTTP_METHOD_GET path: RQ_GET_PlaceList parameters:subscript.dictionary];
    
    /// 3.发起请求
    return [[[RQHTTPRequest requestWithParameters:paramters]
             enqueueResultClass:[RQPlaceListModel class]]
            rq_parsedResults];
}


@end