ETNetWork/ETNetworkUtils.m at master · fuer4869/ETNetWork · GitHub

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//
//  ETNetworkUtils.m
//  能量圈
//
//  Created by vj on 2017/4/1.
//  Copyright © 2017年 Weijie Zhu. All rights reserved.
//

#import <CommonCrypto/CommonDigest.h>
#import "ETNetworkUtils.h"

@implementation ETNetworkUtils


+ (void)addDoNotBackupAttribute:(NSString *)path {
    NSURL *url = [NSURL fileURLWithPath:path];
    NSError *error = nil;
    [url setResourceValue:[NSNumber numberWithBool:YES] forKey:NSURLIsExcludedFromBackupKey error:&error];
    if (error) {
        ETLog(@"设置不备份到iCloud失败 原因:%@", error);
    }
}

+ (NSString *)md5StringFromString:(NSString *)string {
    NSParameterAssert(string != nil && [string length] > 0);

    const char *value = [string UTF8String];

    unsigned char outputBuffer[CC_MD5_DIGEST_LENGTH];
    CC_MD5(value, (CC_LONG)strlen(value), outputBuffer);

    NSMutableString *outputString = [[NSMutableString alloc] initWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
    for(NSInteger count = 0; count < CC_MD5_DIGEST_LENGTH; count++){
        [outputString appendFormat:@"%02x",outputBuffer[count]];
    }

    return outputString;
}

+ (NSString *)appVersionString {
    return [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
}

+ (BOOL)validateJSON:(id)json withValidator:(id)jsonValidator {
    if ([json isKindOfClass:[NSDictionary class]] &&
        [jsonValidator isKindOfClass:[NSDictionary class]]) {
        NSDictionary * dict = json;
        NSDictionary * validator = jsonValidator;
        BOOL result = YES;
        NSEnumerator * enumerator = [validator keyEnumerator];
        NSString * key;
        while ((key = [enumerator nextObject]) != nil) {
            id value = dict[key];
            id format = validator[key];
            if ([value isKindOfClass:[NSDictionary class]]
                || [value isKindOfClass:[NSArray class]]) {
                result = [self validateJSON:value withValidator:format];
                if (!result) {
                    break;
                }
            } else {
                if ([value isKindOfClass:format] == NO &&
                    [value isKindOfClass:[NSNull class]] == NO) {
                    result = NO;
                    break;
                }
            }
        }
        return result;
    } else if ([json isKindOfClass:[NSArray class]] &&
               [jsonValidator isKindOfClass:[NSArray class]]) {
        NSArray * validatorArray = (NSArray *)jsonValidator;
        if (validatorArray.count > 0) {
            NSArray * array = json;
            NSDictionary * validator = jsonValidator[0];
            for (id item in array) {
                BOOL result = [self validateJSON:item withValidator:validator];
                if (!result) {
                    return NO;
                }
            }
        }
        return YES;
    } else if ([json isKindOfClass:jsonValidator]) {
        return YES;
    } else {
        return NO;
    }
}

+ (NSStringEncoding)stringEncodingWithRequest:(ETBaseRequest *)request {

    NSStringEncoding stringEncoding = NSUTF8StringEncoding;
    if (request.response.textEncodingName) {
        CFStringEncoding encoding = CFStringConvertIANACharSetNameToEncoding((CFStringRef)request.response.textEncodingName);
        if (encoding != kCFStringEncodingInvalidId) {
            stringEncoding = CFStringConvertEncodingToNSStringEncoding(encoding);
        }
    }
    return stringEncoding;
}

+ (BOOL)validateResumeData:(NSData *)data {

    if (!data || [data length] < 1) return NO;

    NSError *error;
    NSDictionary *resumeDictionary = [NSPropertyListSerialization propertyListWithData:data options:NSPropertyListImmutable format:NULL error:&error];
    if (!resumeDictionary || error) return NO;

    // Before iOS 9 & Mac OS X 10.11
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED < 90000)\
|| (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED < 101100)
    NSString *localFilePath = [resumeDictionary objectForKey:@"NSURLSessionResumeInfoLocalPath"];
    if ([localFilePath length] < 1) return NO;
    return [[NSFileManager defaultManager] fileExistsAtPath:localFilePath];
#endif

    return YES;
}

@end