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This commit is contained in:
JoyWayer
2023-12-27 20:38:37 +08:00
parent b106a628a5
commit f6343426d6
515 changed files with 104217 additions and 199 deletions
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28
msext/QiniuSDK/Common/QNALAssetFile.h Executable file
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//
// QNALAssetFile.h
// QiniuSDK
//
// Created by bailong on 15/7/25.
// Copyright (c) 2015年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "QNFileDelegate.h"
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED)
@class ALAsset;
@interface QNALAssetFile : NSObject <QNFileDelegate>
/**
* 打开指定文件
*
* @param path 文件路径
* @param error 输出的错误信息
*
* @return 实例
*/
- (instancetype)init:(ALAsset *)asset
error:(NSError *__autoreleasing *)error;
@end
#endif

72
msext/QiniuSDK/Common/QNALAssetFile.m Executable file
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//
// QNALAssetFile.m
// QiniuSDK
//
// Created by bailong on 15/7/25.
// Copyright (c) 2015年 Qiniu. All rights reserved.
//
#import "QNALAssetFile.h"
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
#import <AssetsLibrary/AssetsLibrary.h>
#import "QNResponseInfo.h"
@interface QNALAssetFile ()
@property (nonatomic) ALAsset *asset;
@property (readonly) int64_t fileSize;
@property (readonly) int64_t fileModifyTime;
@end
@implementation QNALAssetFile
- (instancetype)init:(ALAsset *)asset
error:(NSError *__autoreleasing *)error {
if (self = [super init]) {
NSDate *createTime = [asset valueForProperty:ALAssetPropertyDate];
int64_t t = 0;
if (createTime != nil) {
t = [createTime timeIntervalSince1970];
}
_fileModifyTime = t;
_fileSize = asset.defaultRepresentation.size;
_asset = asset;
}
return self;
}
- (NSData *)read:(long)offset
size:(long)size {
ALAssetRepresentation *rep = [self.asset defaultRepresentation];
Byte *buffer = (Byte *)malloc(size);
NSUInteger buffered = [rep getBytes:buffer fromOffset:offset length:size error:nil];
return [NSData dataWithBytesNoCopy:buffer length:buffered freeWhenDone:YES];
}
- (NSData *)readAll {
return [self read:0 size:(long)_fileSize];
}
- (void)close {
}
- (NSString *)path {
ALAssetRepresentation *rep = [self.asset defaultRepresentation];
return [rep url].path;
}
- (int64_t)modifyTime {
return _fileModifyTime;
}
- (int64_t)size {
return _fileSize;
}
@end
#endif

13
msext/QiniuSDK/Common/QNAsyncRun.h Executable file
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//
// QNAsyncRun.h
// QiniuSDK
//
// Created by bailong on 14/10/17.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
typedef void (^QNRun)(void);
void QNAsyncRun(QNRun run);
void QNAsyncRunInMain(QNRun run);

22
msext/QiniuSDK/Common/QNAsyncRun.m Executable file
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//
// QNAsyncRun.m
// QiniuSDK
//
// Created by bailong on 14/10/17.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import "QNAsyncRun.h"
#import <Foundation/Foundation.h>
void QNAsyncRun(QNRun run) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
run();
});
}
void QNAsyncRunInMain(QNRun run) {
dispatch_async(dispatch_get_main_queue(), ^(void) {
run();
});
}

36
msext/QiniuSDK/Common/QNCrc32.h Executable file
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//
// QNCrc.h
// QiniuSDK
//
// Created by bailong on 14-9-29.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
/**
* 生成crc32 校验码
*/
@interface QNCrc32 : NSObject
/**
* 文件校验
*
* @param filePath 文件路径
* @param error 文件读取错误
*
* @return 校验码
*/
+ (UInt32)file:(NSString *)filePath
error:(NSError **)error;
/**
* 二进制字节校验
*
* @param data 二进制数据
*
* @return 校验码
*/
+ (UInt32)data:(NSData *)data;
@end

45
msext/QiniuSDK/Common/QNCrc32.m Executable file
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//
// QNCrc.m
// QiniuSDK
//
// Created by bailong on 14-9-29.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import <zlib.h>
#import "QNConfiguration.h"
#import "QNCrc32.h"
@implementation QNCrc32
+ (UInt32)data:(NSData *)data {
uLong crc = crc32(0L, Z_NULL, 0);
crc = crc32(crc, [data bytes], (uInt)[data length]);
return (UInt32)crc;
}
+ (UInt32)file:(NSString *)filePath
error:(NSError **)error {
@autoreleasepool {
NSData *data = [NSData dataWithContentsOfFile:filePath options:NSDataReadingMappedIfSafe error:error];
if (*error != nil) {
return 0;
}
int len = (int)[data length];
int count = (len + kQNBlockSize - 1) / kQNBlockSize;
uLong crc = crc32(0L, Z_NULL, 0);
for (int i = 0; i < count; i++) {
int offset = i * kQNBlockSize;
int size = (len - offset) > kQNBlockSize ? kQNBlockSize : (len - offset);
NSData *d = [data subdataWithRange:NSMakeRange(offset, (unsigned int)size)];
crc = crc32(crc, [d bytes], (uInt)[d length]);
}
return (UInt32)crc;
}
}
@end

35
msext/QiniuSDK/Common/QNEtag.h Executable file
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//
// QNEtag.h
// QiniuSDK
//
// Created by bailong on 14/10/4.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
/**
* 服务器 hash etag 生成
*/
@interface QNEtag : NSObject
/**
* 文件etag
*
* @param filePath 文件路径
* @param error 输出文件读取错误
*
* @return etag
*/
+ (NSString *)file:(NSString *)filePath
error:(NSError **)error;
/**
* 二进制数据etag
*
* @param data 数据
*
* @return etag
*/
+ (NSString *)data:(NSData *)data;
@end

60
msext/QiniuSDK/Common/QNEtag.m Executable file
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//
// QNEtag.m
// QiniuSDK
//
// Created by bailong on 14/10/4.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#include <CommonCrypto/CommonCrypto.h>
#import "QNConfiguration.h"
#import "QNEtag.h"
#import "QNUrlSafeBase64.h"
@implementation QNEtag
+ (NSString *)file:(NSString *)filePath
error:(NSError **)error {
@autoreleasepool {
NSData *data = [NSData dataWithContentsOfFile:filePath options:NSDataReadingMappedIfSafe error:error];
if (*error != nil) {
return 0;
}
return [QNEtag data:data];
}
}
+ (NSString *)data:(NSData *)data {
if (data == nil || [data length] == 0) {
return @"Fto5o-5ea0sNMlW_75VgGJCv2AcJ";
}
int len = (int)[data length];
int count = (len + kQNBlockSize - 1) / kQNBlockSize;
NSMutableData *retData = [NSMutableData dataWithLength:CC_SHA1_DIGEST_LENGTH + 1];
UInt8 *ret = [retData mutableBytes];
NSMutableData *blocksSha1 = nil;
UInt8 *pblocksSha1 = ret + 1;
if (count > 1) {
blocksSha1 = [NSMutableData dataWithLength:CC_SHA1_DIGEST_LENGTH * count];
pblocksSha1 = [blocksSha1 mutableBytes];
}
for (int i = 0; i < count; i++) {
int offset = i * kQNBlockSize;
int size = (len - offset) > kQNBlockSize ? kQNBlockSize : (len - offset);
NSData *d = [data subdataWithRange:NSMakeRange(offset, (unsigned int)size)];
CC_SHA1([d bytes], (CC_LONG)size, pblocksSha1 + i * CC_SHA1_DIGEST_LENGTH);
}
if (count == 1) {
ret[0] = 0x16;
} else {
ret[0] = 0x96;
CC_SHA1(pblocksSha1, (CC_LONG)CC_SHA1_DIGEST_LENGTH * count, ret + 1);
}
return [QNUrlSafeBase64 encodeData:retData];
}
@end

24
msext/QiniuSDK/Common/QNFile.h Executable file
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//
// QNFile.h
// QiniuSDK
//
// Created by bailong on 15/7/25.
// Copyright (c) 2015年 Qiniu. All rights reserved.
//
#import "QNFileDelegate.h"
#import <Foundation/Foundation.h>
@interface QNFile : NSObject <QNFileDelegate>
/**
* 打开指定文件
*
* @param path 文件路径
* @param error 输出的错误信息
*
* @return 实例
*/
- (instancetype)init:(NSString *)path
error:(NSError *__autoreleasing *)error;
@end

106
msext/QiniuSDK/Common/QNFile.m Executable file
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//
// QNFile.m
// QiniuSDK
//
// Created by bailong on 15/7/25.
// Copyright (c) 2015年 Qiniu. All rights reserved.
//
#import "QNFile.h"
#import "QNResponseInfo.h"
@interface QNFile ()
@property (nonatomic, readonly) NSString *filepath;
@property (nonatomic) NSData *data;
@property (readonly) int64_t fileSize;
@property (readonly) int64_t fileModifyTime;
@property (nonatomic) NSFileHandle *file;
@end
@implementation QNFile
- (instancetype)init:(NSString *)path
error:(NSError *__autoreleasing *)error {
if (self = [super init]) {
_filepath = path;
NSError *error2 = nil;
NSDictionary *fileAttr = [[NSFileManager defaultManager] attributesOfItemAtPath:path error:&error2];
if (error2 != nil) {
if (error != nil) {
*error = error2;
}
return self;
}
_fileSize = [fileAttr fileSize];
NSDate *modifyTime = fileAttr[NSFileModificationDate];
int64_t t = 0;
if (modifyTime != nil) {
t = [modifyTime timeIntervalSince1970];
}
_fileModifyTime = t;
NSFileHandle *f = nil;
NSData *d = nil;
//[NSData dataWithContentsOfFile:filePath options:NSDataReadingMappedIfSafe error:&error] 不能用在大于 200M的文件上，改用filehandle
// 参见 https://issues.apache.org/jira/browse/CB-5790
if (_fileSize > 16 * 1024 * 1024) {
f = [NSFileHandle fileHandleForReadingAtPath:path];
if (f == nil) {
if (error != nil) {
*error = [[NSError alloc] initWithDomain:path code:kQNFileError userInfo:nil];
}
return self;
}
} else {
d = [NSData dataWithContentsOfFile:path options:NSDataReadingMappedIfSafe error:&error2];
if (error2 != nil) {
if (error != nil) {
*error = error2;
}
return self;
}
}
_file = f;
_data = d;
}
return self;
}
- (NSData *)read:(long)offset
size:(long)size {
if (_data != nil) {
return [_data subdataWithRange:NSMakeRange(offset, (unsigned int)size)];
}
[_file seekToFileOffset:offset];
return [_file readDataOfLength:size];
}
- (NSData *)readAll {
return [self read:0 size:(long)_fileSize];
}
- (void)close {
if (_file != nil) {
[_file closeFile];
}
}
- (NSString *)path {
return _filepath;
}
- (int64_t)modifyTime {
return _fileModifyTime;
}
- (int64_t)size {
return _fileSize;
}
@end

61
msext/QiniuSDK/Common/QNFileDelegate.h Executable file
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//
// QNFileDelegate.h
// QiniuSDK
//
// Created by bailong on 15/7/25.
// Copyright (c) 2015年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
/**
* 文件处理接口，支持ALAsset, NSFileHandle, NSData
*/
@protocol QNFileDelegate <NSObject>
/**
* 从指定偏移读取数据
*
* @param offset 偏移地址
* @param size 大小
*
* @return 数据
*/
- (NSData *)read:(long)offset
size:(long)size;
/**
* 读取所有文件内容
*
* @return 数据
*/
- (NSData *)readAll;
/**
* 关闭文件
*
*/
- (void)close;
/**
* 文件路径
*
* @return 文件路径
*/
- (NSString *)path;
/**
* 文件修改时间
*
* @return 修改时间
*/
- (int64_t)modifyTime;
/**
* 文件大小
*
* @return 文件大小
*/
- (int64_t)size;
@end

27
msext/QiniuSDK/Common/QNPHAssetFile.h Executable file
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//
// QNPHAssetFile.h
// Pods
//
// Created by 何舒 on 15/10/21.
//
//
#import <Foundation/Foundation.h>
#import "QNFileDelegate.h"
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000)
@class PHAsset;
@interface QNPHAssetFile : NSObject <QNFileDelegate>
/**
* 打开指定文件
*
* @param path 文件路径
* @param error 输出的错误信息
*
* @return 实例
*/
- (instancetype)init:(PHAsset *)phAsset
error:(NSError *__autoreleasing *)error;
@end
#endif

165
msext/QiniuSDK/Common/QNPHAssetFile.m Executable file
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//
// QNPHAssetFile.m
// Pods
//
// Created by 何舒 on 15/10/21.
//
//
#import "QNPHAssetFile.h"
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000)
#import <AVFoundation/AVFoundation.h>
#import <Photos/Photos.h>
#import "QNResponseInfo.h"
@interface QNPHAssetFile ()
@property (nonatomic) PHAsset *phAsset;
@property (readonly) int64_t fileSize;
@property (readonly) int64_t fileModifyTime;
@property (nonatomic, strong) NSData *assetData;
@property (nonatomic, strong) NSURL *assetURL;
@property (nonatomic, readonly) NSString *filepath;
@property (nonatomic) NSFileHandle *file;
@end
@implementation QNPHAssetFile
- (instancetype)init:(PHAsset *)phAsset error:(NSError *__autoreleasing *)error {
if (self = [super init]) {
NSDate *createTime = phAsset.creationDate;
int64_t t = 0;
if (createTime != nil) {
t = [createTime timeIntervalSince1970];
}
_fileModifyTime = t;
_phAsset = phAsset;
_filepath = [self getInfo];
if (PHAssetMediaTypeVideo == self.phAsset.mediaType) {
NSError *error2 = nil;
NSDictionary *fileAttr = [[NSFileManager defaultManager] attributesOfItemAtPath:_filepath error:&error2];
if (error2 != nil) {
if (error != nil) {
*error = error2;
}
return self;
}
_fileSize = [fileAttr fileSize];
NSFileHandle *f = nil;
NSData *d = nil;
if (_fileSize > 16 * 1024 * 1024) {
f = [NSFileHandle fileHandleForReadingAtPath:_filepath];
if (f == nil) {
if (error != nil) {
*error = [[NSError alloc] initWithDomain:_filepath code:kQNFileError userInfo:nil];
}
return self;
}
} else {
d = [NSData dataWithContentsOfFile:_filepath options:NSDataReadingMappedIfSafe error:&error2];
if (error2 != nil) {
if (error != nil) {
*error = error2;
}
return self;
}
}
_file = f;
_assetData = d;
}
}
return self;
}
- (NSData *)read:(long)offset size:(long)size {
if (_assetData != nil) {
return [_assetData subdataWithRange:NSMakeRange(offset, (unsigned int)size)];
}
[_file seekToFileOffset:offset];
return [_file readDataOfLength:size];
}
- (NSData *)readAll {
return [self read:0 size:(long)_fileSize];
}
- (void)close {
if (PHAssetMediaTypeVideo == self.phAsset.mediaType) {
if (_file != nil) {
[_file closeFile];
}
[[NSFileManager defaultManager] removeItemAtPath:_filepath error:nil];
}
}
- (NSString *)path {
return _filepath;
}
- (int64_t)modifyTime {
return _fileModifyTime;
}
- (int64_t)size {
return _fileSize;
}
- (NSString *)getInfo {
__block NSString *filePath = nil;
if (PHAssetMediaTypeImage == self.phAsset.mediaType) {
PHImageRequestOptions *options = [PHImageRequestOptions new];
options.version = PHImageRequestOptionsVersionCurrent;
options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
options.resizeMode = PHImageRequestOptionsResizeModeNone;
//不支持icloud上传
options.networkAccessAllowed = NO;
options.synchronous = YES;
[[PHImageManager defaultManager] requestImageDataForAsset:self.phAsset
options:options
resultHandler:^(NSData *imageData, NSString *dataUTI, UIImageOrientation orientation, NSDictionary *info) {
_assetData = imageData;
_fileSize = imageData.length;
_assetURL = [NSURL URLWithString:self.phAsset.localIdentifier];
filePath = _assetURL.path;
}];
} else if (PHAssetMediaTypeVideo == self.phAsset.mediaType) {
NSArray *assetResources = [PHAssetResource assetResourcesForAsset:self.phAsset];
PHAssetResource *resource;
for (PHAssetResource *assetRes in assetResources) {
if (assetRes.type == PHAssetResourceTypePairedVideo || assetRes.type == PHAssetResourceTypeVideo) {
resource = assetRes;
}
}
NSString *fileName = @"tempAssetVideo.mov";
if (resource.originalFilename) {
fileName = resource.originalFilename;
}
PHAssetResourceRequestOptions *options = [PHAssetResourceRequestOptions new];
//不支持icloud上传
options.networkAccessAllowed = NO;
NSString *PATH_VIDEO_FILE = [NSTemporaryDirectory() stringByAppendingPathComponent:fileName];
[[NSFileManager defaultManager] removeItemAtPath:PATH_VIDEO_FILE error:nil];
[[PHAssetResourceManager defaultManager] writeDataForAssetResource:resource toFile:[NSURL fileURLWithPath:PATH_VIDEO_FILE] options:options completionHandler:^(NSError *_Nullable error) {
if (error) {
filePath = nil;
} else {
filePath = PATH_VIDEO_FILE;
}
}];
}
return filePath;
}
@end
#endif

31
msext/QiniuSDK/Common/QNPHAssetResource.h Executable file
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//
// QNPHAssetResource.h
// QiniuSDK
//
// Created by 何舒 on 16/2/14.
// Copyright © 2016年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "QNFileDelegate.h"
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 90100)
@class PHAssetResource;
@interface QNPHAssetResource : NSObject <QNFileDelegate>
/**
* 打开指定文件
*
* @param path PHLivePhoto的PHAssetResource文件
* @param error 输出的错误信息
*
* @return 实例
*/
- (instancetype)init:(PHAssetResource *)phAssetResource
error:(NSError *__autoreleasing *)error;
@end
#endif

175
msext/QiniuSDK/Common/QNPHAssetResource.m Executable file
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//
// QNPHAssetResource.m
// QiniuSDK
//
// Created by 何舒 on 16/2/14.
// Copyright © 2016年 Qiniu. All rights reserved.
//
#import "QNPHAssetResource.h"
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 90100)
#import <AVFoundation/AVFoundation.h>
#import <Photos/Photos.h>
enum {
kAMASSETMETADATA_PENDINGREADS = 1,
kAMASSETMETADATA_ALLFINISHED = 0
};
#import "QNResponseInfo.h"
@interface QNPHAssetResource ()
{
BOOL _hasGotInfo;
}
@property (nonatomic) PHAsset *phAsset;
@property (nonatomic) PHLivePhoto *phLivePhoto;
@property (nonatomic) PHAssetResource *phAssetResource;
@property (readonly) int64_t fileSize;
@property (readonly) int64_t fileModifyTime;
@property (nonatomic, strong) NSData *assetData;
@property (nonatomic, strong) NSURL *assetURL;
@end
@implementation QNPHAssetResource
- (instancetype)init:(PHAssetResource *)phAssetResource
error:(NSError *__autoreleasing *)error {
if (self = [super init]) {
PHAsset *phasset = [PHAsset fetchAssetsWithBurstIdentifier:self.phAssetResource.assetLocalIdentifier options:nil][0];
NSDate *createTime = phasset.creationDate;
int64_t t = 0;
if (createTime != nil) {
t = [createTime timeIntervalSince1970];
}
_fileModifyTime = t;
_phAssetResource = phAssetResource;
[self getInfo];
}
return self;
}
- (NSData *)read:(long)offset size:(long)size {
NSRange subRange = NSMakeRange(offset, size);
if (!self.assetData) {
self.assetData = [self fetchDataFromAsset:self.phAssetResource];
}
NSData *subData = [self.assetData subdataWithRange:subRange];
return subData;
}
- (NSData *)readAll {
return [self read:0 size:(long)_fileSize];
}
- (void)close {
}
- (NSString *)path {
return self.assetURL.path;
}
- (int64_t)modifyTime {
return _fileModifyTime;
}
- (int64_t)size {
return _fileSize;
}
- (void)getInfo {
if (!_hasGotInfo) {
_hasGotInfo = YES;
NSConditionLock *assetReadLock = [[NSConditionLock alloc] initWithCondition:kAMASSETMETADATA_PENDINGREADS];
NSString *pathToWrite = [NSTemporaryDirectory() stringByAppendingString:self.phAssetResource.originalFilename];
NSURL *localpath = [NSURL fileURLWithPath:pathToWrite];
PHAssetResourceRequestOptions *options = [PHAssetResourceRequestOptions new];
options.networkAccessAllowed = YES;
[[PHAssetResourceManager defaultManager] writeDataForAssetResource:self.phAssetResource toFile:localpath options:options completionHandler:^(NSError *_Nullable error) {
if (error == nil) {
AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:localpath options:nil];
NSNumber *fileSize = nil;
[urlAsset.URL getResourceValue:&fileSize forKey:NSURLFileSizeKey error:nil];
_fileSize = [fileSize unsignedLongLongValue];
_assetURL = urlAsset.URL;
self.assetData = [NSData dataWithData:[NSData dataWithContentsOfURL:urlAsset.URL]];
} else {
NSLog(@"%@", error);
}
BOOL blHave = [[NSFileManager defaultManager] fileExistsAtPath:pathToWrite];
if (!blHave) {
NSLog(@"no have");
return;
} else {
NSLog(@" have");
BOOL blDele = [[NSFileManager defaultManager] removeItemAtPath:pathToWrite error:nil];
if (blDele) {
NSLog(@"dele success");
} else {
NSLog(@"dele fail");
}
}
[assetReadLock lock];
[assetReadLock unlockWithCondition:kAMASSETMETADATA_ALLFINISHED];
}];
[assetReadLock lockWhenCondition:kAMASSETMETADATA_ALLFINISHED];
[assetReadLock unlock];
assetReadLock = nil;
}
}
- (NSData *)fetchDataFromAsset:(PHAssetResource *)videoResource {
__block NSData *tmpData = [NSData data];
NSConditionLock *assetReadLock = [[NSConditionLock alloc] initWithCondition:kAMASSETMETADATA_PENDINGREADS];
NSString *pathToWrite = [NSTemporaryDirectory() stringByAppendingString:videoResource.originalFilename];
NSURL *localpath = [NSURL fileURLWithPath:pathToWrite];
PHAssetResourceRequestOptions *options = [PHAssetResourceRequestOptions new];
options.networkAccessAllowed = YES;
[[PHAssetResourceManager defaultManager] writeDataForAssetResource:videoResource toFile:localpath options:options completionHandler:^(NSError *_Nullable error) {
if (error == nil) {
AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:localpath options:nil];
NSData *videoData = [NSData dataWithContentsOfURL:urlAsset.URL];
tmpData = [NSData dataWithData:videoData];
} else {
NSLog(@"%@", error);
}
BOOL blHave = [[NSFileManager defaultManager] fileExistsAtPath:pathToWrite];
if (!blHave) {
NSLog(@"no have");
return;
} else {
NSLog(@" have");
BOOL blDele = [[NSFileManager defaultManager] removeItemAtPath:pathToWrite error:nil];
if (blDele) {
NSLog(@"dele success");
} else {
NSLog(@"dele fail");
}
}
[assetReadLock lock];
[assetReadLock unlockWithCondition:kAMASSETMETADATA_ALLFINISHED];
}];
[assetReadLock lockWhenCondition:kAMASSETMETADATA_ALLFINISHED];
[assetReadLock unlock];
assetReadLock = nil;
return tmpData;
}
@end
#endif

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//
// QNSystem.h
// QiniuSDK
//
// Created by bailong on 15/10/13.
// Copyright © 2015年 Qiniu. All rights reserved.
//
#ifndef QNSystem_h
#define QNSystem_h
BOOL hasNSURLSession();
BOOL hasAts();
BOOL allowsArbitraryLoads();
BOOL isIpV6FullySupported();
#endif /* QNSystem_h */

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//
// QNSystem.m
// QiniuSDK
//
// Created by bailong on 15/10/13.
// Copyright © 2015年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
#if __IPHONE_OS_VERSION_MIN_REQUIRED
#import <MobileCoreServices/MobileCoreServices.h>
#import <UIKit/UIKit.h>
#else
#import <CoreServices/CoreServices.h>
#endif
BOOL hasNSURLSession() {
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED)
float sysVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
if (sysVersion < 7.0) {
return NO;
}
#else
NSOperatingSystemVersion sysVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
if (sysVersion.majorVersion < 10) {
return NO;
} else if (sysVersion.majorVersion == 10) {
return sysVersion.minorVersion >= 9;
}
#endif
return YES;
}
BOOL hasAts() {
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED)
float sysVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
if (sysVersion < 9.0) {
return NO;
}
#else
NSOperatingSystemVersion sysVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
if (sysVersion.majorVersion < 10) {
return NO;
} else if (sysVersion.majorVersion == 10) {
return sysVersion.minorVersion >= 11;
}
#endif
return YES;
}
BOOL allowsArbitraryLoads() {
if (!hasAts()) {
return YES;
}
// for unit test
NSDictionary* d = [[NSBundle mainBundle] infoDictionary];
if (d == nil || d.count == 0) {
return YES;
}
NSDictionary* sec = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSAppTransportSecurity"];
if (sec == nil) {
return NO;
}
NSNumber* ats = [sec objectForKey:@"NSAllowsArbitraryLoads"];
if (ats == nil) {
return NO;
}
return ats.boolValue;
}
BOOL isIpV6FullySupported() {
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED)
float sysVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
if (sysVersion < 9.0) {
return NO;
}
#else
NSOperatingSystemVersion sysVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
if (sysVersion.majorVersion < 10) {
return NO;
} else if (sysVersion.majorVersion == 10) {
return sysVersion.minorVersion >= 11;
}
#endif
return YES;
}

41
msext/QiniuSDK/Common/QNUrlSafeBase64.h Executable file
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//
// QiniuSDK
//
// Created by bailong on 14-9-28.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
/**
* url safe base64 编码类, 对/ 做了处理
*/
@interface QNUrlSafeBase64 : NSObject
/**
* 字符串编码
*
* @param source 字符串
*
* @return base64 字符串
*/
+ (NSString *)encodeString:(NSString *)source;
/**
* 二进制数据编码
*
* @param source 二进制数据
*
* @return base64字符串
*/
+ (NSString *)encodeData:(NSData *)source;
/**
* 字符串解码
*
* @param base64 字符串
*
* @return 数据
*/
+ (NSData *)decodeString:(NSString *)data;
@end

29
msext/QiniuSDK/Common/QNUrlSafeBase64.m Executable file
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//
// QiniuSDK
//
// Created by bailong on 14-9-28.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "QNUrlSafeBase64.h"
#import "QN_GTM_Base64.h"
@implementation QNUrlSafeBase64
+ (NSString *)encodeString:(NSString *)sourceString {
NSData *data = [NSData dataWithBytes:[sourceString UTF8String] length:[sourceString lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];
return [self encodeData:data];
}
+ (NSString *)encodeData:(NSData *)data {
return [QN_GTM_Base64 stringByWebSafeEncodingData:data padded:YES];
}
+ (NSData *)decodeString:(NSString *)data {
return [QN_GTM_Base64 webSafeDecodeString:data];
}
@end

14
msext/QiniuSDK/Common/QNVersion.h Executable file
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//
// QNVersion.h
// QiniuSDK
//
// Created by bailong on 14-9-29.
// Copyright (c) 2014年 Qiniu. All rights reserved.
//
#import <Foundation/Foundation.h>
/**
* sdk 版本
*/
static const NSString *kQiniuVersion = @"7.1.5";

182
msext/QiniuSDK/Common/QN_GTM_Base64.h Executable file
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//
// GTMBase64.h
//
// Copyright 2006-2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import <Foundation/Foundation.h>
// GTMBase64
//
/// Helper for handling Base64 and WebSafeBase64 encodings
//
/// The webSafe methods use different character set and also the results aren't
/// always padded to a multiple of 4 characters. This is done so the resulting
/// data can be used in urls and url query arguments without needing any
/// encoding. You must use the webSafe* methods together, the data does not
/// interop with the RFC methods.
//
@interface QN_GTM_Base64 : NSObject
//
// Standard Base64 (RFC) handling
//
// encodeData:
//
/// Base64 encodes contents of the NSData object.
//
/// Returns:
/// A new autoreleased NSData with the encoded payload. nil for any error.
//
+ (NSData *)encodeData:(NSData *)data;
// decodeData:
//
/// Base64 decodes contents of the NSData object.
//
/// Returns:
/// A new autoreleased NSData with the decoded payload. nil for any error.
//
+ (NSData *)decodeData:(NSData *)data;
// encodeBytes:length:
//
/// Base64 encodes the data pointed at by |bytes|.
//
/// Returns:
/// A new autoreleased NSData with the encoded payload. nil for any error.
//
+ (NSData *)encodeBytes:(const void *)bytes length:(NSUInteger)length;
// decodeBytes:length:
//
/// Base64 decodes the data pointed at by |bytes|.
//
/// Returns:
/// A new autoreleased NSData with the encoded payload. nil for any error.
//
+ (NSData *)decodeBytes:(const void *)bytes length:(NSUInteger)length;
// stringByEncodingData:
//
/// Base64 encodes contents of the NSData object.
//
/// Returns:
/// A new autoreleased NSString with the encoded payload. nil for any error.
//
+ (NSString *)stringByEncodingData:(NSData *)data;
// stringByEncodingBytes:length:
//
/// Base64 encodes the data pointed at by |bytes|.
//
/// Returns:
/// A new autoreleased NSString with the encoded payload. nil for any error.
//
+ (NSString *)stringByEncodingBytes:(const void *)bytes length:(NSUInteger)length;
// decodeString:
//
/// Base64 decodes contents of the NSString.
//
/// Returns:
/// A new autoreleased NSData with the decoded payload. nil for any error.
//
+ (NSData *)decodeString:(NSString *)string;
//
// Modified Base64 encoding so the results can go onto urls.
//
// The changes are in the characters generated and also allows the result to
// not be padded to a multiple of 4.
// Must use the matching call to encode/decode, won't interop with the
// RFC versions.
//
// webSafeEncodeData:padded:
//
/// WebSafe Base64 encodes contents of the NSData object. If |padded| is YES
/// then padding characters are added so the result length is a multiple of 4.
//
/// Returns:
/// A new autoreleased NSData with the encoded payload. nil for any error.
//
+ (NSData *)webSafeEncodeData:(NSData *)data
padded:(BOOL)padded;
// webSafeDecodeData:
//
/// WebSafe Base64 decodes contents of the NSData object.
//
/// Returns:
/// A new autoreleased NSData with the decoded payload. nil for any error.
//
+ (NSData *)webSafeDecodeData:(NSData *)data;
// webSafeEncodeBytes:length:padded:
//
/// WebSafe Base64 encodes the data pointed at by |bytes|. If |padded| is YES
/// then padding characters are added so the result length is a multiple of 4.
//
/// Returns:
/// A new autoreleased NSData with the encoded payload. nil for any error.
//
+ (NSData *)webSafeEncodeBytes:(const void *)bytes
length:(NSUInteger)length
padded:(BOOL)padded;
// webSafeDecodeBytes:length:
//
/// WebSafe Base64 decodes the data pointed at by |bytes|.
//
/// Returns:
/// A new autoreleased NSData with the encoded payload. nil for any error.
//
+ (NSData *)webSafeDecodeBytes:(const void *)bytes length:(NSUInteger)length;
// stringByWebSafeEncodingData:padded:
//
/// WebSafe Base64 encodes contents of the NSData object. If |padded| is YES
/// then padding characters are added so the result length is a multiple of 4.
//
/// Returns:
/// A new autoreleased NSString with the encoded payload. nil for any error.
//
+ (NSString *)stringByWebSafeEncodingData:(NSData *)data
padded:(BOOL)padded;
// stringByWebSafeEncodingBytes:length:padded:
//
/// WebSafe Base64 encodes the data pointed at by |bytes|. If |padded| is YES
/// then padding characters are added so the result length is a multiple of 4.
//
/// Returns:
/// A new autoreleased NSString with the encoded payload. nil for any error.
//
+ (NSString *)stringByWebSafeEncodingBytes:(const void *)bytes
length:(NSUInteger)length
padded:(BOOL)padded;
// webSafeDecodeString:
//
/// WebSafe Base64 decodes contents of the NSString.
//
/// Returns:
/// A new autoreleased NSData with the decoded payload. nil for any error.
//
+ (NSData *)webSafeDecodeString:(NSString *)string;
@end

693
msext/QiniuSDK/Common/QN_GTM_Base64.m Executable file
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//
// GTMBase64.m
//
// Copyright 2006-2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import "QN_GTM_Base64.h"
static const char *kBase64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const char *kWebSafeBase64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
static const char kBase64PaddingChar = '=';
static const char kBase64InvalidChar = 99;
static const char kBase64DecodeChars[] = {
// This array was generated by the following code:
// #include <sys/time.h>
// #include <stdlib.h>
// #include <string.h>
// main()
// {
// static const char Base64[] =
// "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
// char *pos;
// int idx, i, j;
// printf(" ");
// for (i = 0; i < 255; i += 8) {
// for (j = i; j < i + 8; j++) {
// pos = strchr(Base64, j);
// if ((pos == NULL) || (j == 0))
// idx = 99;
// else
// idx = pos - Base64;
// if (idx == 99)
// printf(" %2d, ", idx);
// else
// printf(" %2d/*%c*/,", idx, j);
// }
// printf("\n ");
// }
// }
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 62 /*+*/, 99, 99, 99, 63 /*/ */,
52 /*0*/, 53 /*1*/, 54 /*2*/, 55 /*3*/, 56 /*4*/, 57 /*5*/, 58 /*6*/, 59 /*7*/,
60 /*8*/, 61 /*9*/, 99, 99, 99, 99, 99, 99,
99, 0 /*A*/, 1 /*B*/, 2 /*C*/, 3 /*D*/, 4 /*E*/, 5 /*F*/, 6 /*G*/,
7 /*H*/, 8 /*I*/, 9 /*J*/, 10 /*K*/, 11 /*L*/, 12 /*M*/, 13 /*N*/, 14 /*O*/,
15 /*P*/, 16 /*Q*/, 17 /*R*/, 18 /*S*/, 19 /*T*/, 20 /*U*/, 21 /*V*/, 22 /*W*/,
23 /*X*/, 24 /*Y*/, 25 /*Z*/, 99, 99, 99, 99, 99,
99, 26 /*a*/, 27 /*b*/, 28 /*c*/, 29 /*d*/, 30 /*e*/, 31 /*f*/, 32 /*g*/,
33 /*h*/, 34 /*i*/, 35 /*j*/, 36 /*k*/, 37 /*l*/, 38 /*m*/, 39 /*n*/, 40 /*o*/,
41 /*p*/, 42 /*q*/, 43 /*r*/, 44 /*s*/, 45 /*t*/, 46 /*u*/, 47 /*v*/, 48 /*w*/,
49 /*x*/, 50 /*y*/, 51 /*z*/, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99};
static const char kWebSafeBase64DecodeChars[] = {
// This array was generated by the following code:
// #include <sys/time.h>
// #include <stdlib.h>
// #include <string.h>
// main()
// {
// static const char Base64[] =
// "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
// char *pos;
// int idx, i, j;
// printf(" ");
// for (i = 0; i < 255; i += 8) {
// for (j = i; j < i + 8; j++) {
// pos = strchr(Base64, j);
// if ((pos == NULL) || (j == 0))
// idx = 99;
// else
// idx = pos - Base64;
// if (idx == 99)
// printf(" %2d, ", idx);
// else
// printf(" %2d/*%c*/,", idx, j);
// }
// printf("\n ");
// }
// }
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 62 /*-*/, 99, 99,
52 /*0*/, 53 /*1*/, 54 /*2*/, 55 /*3*/, 56 /*4*/, 57 /*5*/, 58 /*6*/, 59 /*7*/,
60 /*8*/, 61 /*9*/, 99, 99, 99, 99, 99, 99,
99, 0 /*A*/, 1 /*B*/, 2 /*C*/, 3 /*D*/, 4 /*E*/, 5 /*F*/, 6 /*G*/,
7 /*H*/, 8 /*I*/, 9 /*J*/, 10 /*K*/, 11 /*L*/, 12 /*M*/, 13 /*N*/, 14 /*O*/,
15 /*P*/, 16 /*Q*/, 17 /*R*/, 18 /*S*/, 19 /*T*/, 20 /*U*/, 21 /*V*/, 22 /*W*/,
23 /*X*/, 24 /*Y*/, 25 /*Z*/, 99, 99, 99, 99, 63 /*_*/,
99, 26 /*a*/, 27 /*b*/, 28 /*c*/, 29 /*d*/, 30 /*e*/, 31 /*f*/, 32 /*g*/,
33 /*h*/, 34 /*i*/, 35 /*j*/, 36 /*k*/, 37 /*l*/, 38 /*m*/, 39 /*n*/, 40 /*o*/,
41 /*p*/, 42 /*q*/, 43 /*r*/, 44 /*s*/, 45 /*t*/, 46 /*u*/, 47 /*v*/, 48 /*w*/,
49 /*x*/, 50 /*y*/, 51 /*z*/, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99};
// Tests a character to see if it's a whitespace character.
//
// Returns:
// YES if the character is a whitespace character.
// NO if the character is not a whitespace character.
//
BOOL QN_IsSpace(unsigned char c) {
// we use our own mapping here because we don't want anything w/ locale
// support.
static BOOL kSpaces[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, // 0-9
1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 10-19
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20-29
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, // 30-39
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40-49
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 50-59
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60-69
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 70-79
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80-89
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90-99
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 100-109
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 110-119
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 120-129
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 130-139
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 140-149
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 150-159
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 160-169
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 170-179
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 180-189
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 190-199
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 200-209
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 210-219
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 220-229
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 230-239
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 240-249
0, 0, 0, 0, 0, 1, // 250-255
};
return kSpaces[c];
}
// Calculate how long the data will be once it's base64 encoded.
//
// Returns:
// The guessed encoded length for a source length
//
NSUInteger QN_CalcEncodedLength(NSUInteger srcLen, BOOL padded) {
NSUInteger intermediate_result = 8 * srcLen + 5;
NSUInteger len = intermediate_result / 6;
if (padded) {
len = ((len + 3) / 4) * 4;
}
return len;
}
// Tries to calculate how long the data will be once it's base64 decoded.
// Unlike the above, this is always an upperbound, since the source data
// could have spaces and might end with the padding characters on them.
//
// Returns:
// The guessed decoded length for a source length
//
NSUInteger QN_GuessDecodedLength(NSUInteger srcLen) {
return (srcLen + 3) / 4 * 3;
}
@interface QN_GTM_Base64 (PrivateMethods)
+ (NSData *)baseEncode:(const void *)bytes
length:(NSUInteger)length
charset:(const char *)charset
padded:(BOOL)padded;
+ (NSData *)baseDecode:(const void *)bytes
length:(NSUInteger)length
charset:(const char *)charset
requirePadding:(BOOL)requirePadding;
+ (NSUInteger)baseEncode:(const char *)srcBytes
srcLen:(NSUInteger)srcLen
destBytes:(char *)destBytes
destLen:(NSUInteger)destLen
charset:(const char *)charset
padded:(BOOL)padded;
+ (NSUInteger)baseDecode:(const char *)srcBytes
srcLen:(NSUInteger)srcLen
destBytes:(char *)destBytes
destLen:(NSUInteger)destLen
charset:(const char *)charset
requirePadding:(BOOL)requirePadding;
@end
@implementation QN_GTM_Base64
//
// Standard Base64 (RFC) handling
//
+ (NSData *)encodeData:(NSData *)data {
return [self baseEncode:[data bytes]
length:[data length]
charset:kBase64EncodeChars
padded:YES];
}
+ (NSData *)decodeData:(NSData *)data {
return [self baseDecode:[data bytes]
length:[data length]
charset:kBase64DecodeChars
requirePadding:YES];
}
+ (NSData *)encodeBytes:(const void *)bytes length:(NSUInteger)length {
return [self baseEncode:bytes
length:length
charset:kBase64EncodeChars
padded:YES];
}
+ (NSData *)decodeBytes:(const void *)bytes length:(NSUInteger)length {
return [self baseDecode:bytes
length:length
charset:kBase64DecodeChars
requirePadding:YES];
}
+ (NSString *)stringByEncodingData:(NSData *)data {
NSString *result = nil;
NSData *converted = [self baseEncode:[data bytes]
length:[data length]
charset:kBase64EncodeChars
padded:YES];
if (converted) {
result = [[NSString alloc] initWithData:converted
encoding:NSASCIIStringEncoding];
}
return result;
}
+ (NSString *)stringByEncodingBytes:(const void *)bytes length:(NSUInteger)length {
NSString *result = nil;
NSData *converted = [self baseEncode:bytes
length:length
charset:kBase64EncodeChars
padded:YES];
if (converted) {
result = [[NSString alloc] initWithData:converted
encoding:NSASCIIStringEncoding];
}
return result;
}
+ (NSData *)decodeString:(NSString *)string {
NSData *result = nil;
NSData *data = [string dataUsingEncoding:NSASCIIStringEncoding];
if (data) {
result = [self baseDecode:[data bytes]
length:[data length]
charset:kBase64DecodeChars
requirePadding:YES];
}
return result;
}
//
// Modified Base64 encoding so the results can go onto urls.
//
// The changes are in the characters generated and also the result isn't
// padded to a multiple of 4.
// Must use the matching call to encode/decode, won't interop with the
// RFC versions.
//
+ (NSData *)webSafeEncodeData:(NSData *)data
padded:(BOOL)padded {
return [self baseEncode:[data bytes]
length:[data length]
charset:kWebSafeBase64EncodeChars
padded:padded];
}
+ (NSData *)webSafeDecodeData:(NSData *)data {
return [self baseDecode:[data bytes]
length:[data length]
charset:kWebSafeBase64DecodeChars
requirePadding:NO];
}
+ (NSData *)webSafeEncodeBytes:(const void *)bytes
length:(NSUInteger)length
padded:(BOOL)padded {
return [self baseEncode:bytes
length:length
charset:kWebSafeBase64EncodeChars
padded:padded];
}
+ (NSData *)webSafeDecodeBytes:(const void *)bytes length:(NSUInteger)length {
return [self baseDecode:bytes
length:length
charset:kWebSafeBase64DecodeChars
requirePadding:NO];
}
+ (NSString *)stringByWebSafeEncodingData:(NSData *)data
padded:(BOOL)padded {
NSString *result = nil;
NSData *converted = [self baseEncode:[data bytes]
length:[data length]
charset:kWebSafeBase64EncodeChars
padded:padded];
if (converted) {
result = [[NSString alloc] initWithData:converted
encoding:NSASCIIStringEncoding];
}
return result;
}
+ (NSString *)stringByWebSafeEncodingBytes:(const void *)bytes
length:(NSUInteger)length
padded:(BOOL)padded {
NSString *result = nil;
NSData *converted = [self baseEncode:bytes
length:length
charset:kWebSafeBase64EncodeChars
padded:padded];
if (converted) {
result = [[NSString alloc] initWithData:converted
encoding:NSASCIIStringEncoding];
}
return result;
}
+ (NSData *)webSafeDecodeString:(NSString *)string {
NSData *result = nil;
NSData *data = [string dataUsingEncoding:NSASCIIStringEncoding];
if (data) {
result = [self baseDecode:[data bytes]
length:[data length]
charset:kWebSafeBase64DecodeChars
requirePadding:NO];
}
return result;
}
@end
@implementation QN_GTM_Base64 (PrivateMethods)
//
// baseEncode:length:charset:padded:
//
// Does the common lifting of creating the dest NSData. it creates & sizes the
// data for the results. |charset| is the characters to use for the encoding
// of the data. |padding| controls if the encoded data should be padded to a
// multiple of 4.
//
// Returns:
// an autorelease NSData with the encoded data, nil if any error.
//
+ (NSData *)baseEncode:(const void *)bytes
length:(NSUInteger)length
charset:(const char *)charset
padded:(BOOL)padded {
// how big could it be?
NSUInteger maxLength = QN_CalcEncodedLength(length, padded);
// make space
NSMutableData *result = [NSMutableData data];
[result setLength:maxLength];
// do it
NSUInteger finalLength = [self baseEncode:bytes
srcLen:length
destBytes:[result mutableBytes]
destLen:[result length]
charset:charset
padded:padded];
if (finalLength) {
// _GTMDevAssert(finalLength == maxLength, @"how did we calc the length wrong?");
} else {
// shouldn't happen, this means we ran out of space
result = nil;
}
return result;
}
//
// baseDecode:length:charset:requirePadding:
//
// Does the common lifting of creating the dest NSData. it creates & sizes the
// data for the results. |charset| is the characters to use for the decoding
// of the data.
//
// Returns:
// an autorelease NSData with the decoded data, nil if any error.
//
//
+ (NSData *)baseDecode:(const void *)bytes
length:(NSUInteger)length
charset:(const char *)charset
requirePadding:(BOOL)requirePadding {
// could try to calculate what it will end up as
NSUInteger maxLength = QN_GuessDecodedLength(length);
// make space
NSMutableData *result = [NSMutableData data];
[result setLength:maxLength];
// do it
NSUInteger finalLength = [self baseDecode:bytes
srcLen:length
destBytes:[result mutableBytes]
destLen:[result length]
charset:charset
requirePadding:requirePadding];
if (finalLength) {
if (finalLength != maxLength) {
// resize down to how big it was
[result setLength:finalLength];
}
} else {
// either an error in the args, or we ran out of space
result = nil;
}
return result;
}
//
// baseEncode:srcLen:destBytes:destLen:charset:padded:
//
// Encodes the buffer into the larger. returns the length of the encoded
// data, or zero for an error.
// |charset| is the characters to use for the encoding
// |padded| tells if the result should be padded to a multiple of 4.
//
// Returns:
// the length of the encoded data. zero if any error.
//
+ (NSUInteger)baseEncode:(const char *)srcBytes
srcLen:(NSUInteger)srcLen
destBytes:(char *)destBytes
destLen:(NSUInteger)destLen
charset:(const char *)charset
padded:(BOOL)padded {
if (!srcLen || !destLen || !srcBytes || !destBytes) {
return 0;
}
char *curDest = destBytes;
const unsigned char *curSrc = (const unsigned char *)(srcBytes);
// Three bytes of data encodes to four characters of cyphertext.
// So we can pump through three-byte chunks atomically.
while (srcLen > 2) {
// space?
// _GTMDevAssert(destLen >= 4, @"our calc for encoded length was wrong");
curDest[0] = charset[curSrc[0] >> 2];
curDest[1] = charset[((curSrc[0] & 0x03) << 4) + (curSrc[1] >> 4)];
curDest[2] = charset[((curSrc[1] & 0x0f) << 2) + (curSrc[2] >> 6)];
curDest[3] = charset[curSrc[2] & 0x3f];
curDest += 4;
curSrc += 3;
srcLen -= 3;
destLen -= 4;
}
// now deal with the tail (<=2 bytes)
switch (srcLen) {
case 0:
// Nothing left; nothing more to do.
break;
case 1:
// One byte left: this encodes to two characters, and (optionally)
// two pad characters to round out the four-character cypherblock.
// _GTMDevAssert(destLen >= 2, @"our calc for encoded length was wrong");
curDest[0] = charset[curSrc[0] >> 2];
curDest[1] = charset[(curSrc[0] & 0x03) << 4];
curDest += 2;
destLen -= 2;
if (padded) {
// _GTMDevAssert(destLen >= 2, @"our calc for encoded length was wrong");
curDest[0] = kBase64PaddingChar;
curDest[1] = kBase64PaddingChar;
curDest += 2;
}
break;
case 2:
// Two bytes left: this encodes to three characters, and (optionally)
// one pad character to round out the four-character cypherblock.
// _GTMDevAssert(destLen >= 3, @"our calc for encoded length was wrong");
curDest[0] = charset[curSrc[0] >> 2];
curDest[1] = charset[((curSrc[0] & 0x03) << 4) + (curSrc[1] >> 4)];
curDest[2] = charset[(curSrc[1] & 0x0f) << 2];
curDest += 3;
destLen -= 3;
if (padded) {
// _GTMDevAssert(destLen >= 1, @"our calc for encoded length was wrong");
curDest[0] = kBase64PaddingChar;
curDest += 1;
}
break;
}
// return the length
return (curDest - destBytes);
}
//
// baseDecode:srcLen:destBytes:destLen:charset:requirePadding:
//
// Decodes the buffer into the larger. returns the length of the decoded
// data, or zero for an error.
// |charset| is the character decoding buffer to use
//
// Returns:
// the length of the encoded data. zero if any error.
//
+ (NSUInteger)baseDecode:(const char *)srcBytes
srcLen:(NSUInteger)srcLen
destBytes:(char *)destBytes
destLen:(NSUInteger)destLen
charset:(const char *)charset
requirePadding:(BOOL)requirePadding {
if (!srcLen || !destLen || !srcBytes || !destBytes) {
return 0;
}
int decode;
NSUInteger destIndex = 0;
int state = 0;
char ch = 0;
while (srcLen-- && (ch = *srcBytes++) != 0) {
if (QN_IsSpace(ch)) // Skip whitespace
continue;
if (ch == kBase64PaddingChar)
break;
decode = charset[(unsigned int)ch];
if (decode == kBase64InvalidChar)
return 0;
// Four cyphertext characters decode to three bytes.
// Therefore we can be in one of four states.
switch (state) {
case 0:
// We're at the beginning of a four-character cyphertext block.
// This sets the high six bits of the first byte of the
// plaintext block.
// _GTMDevAssert(destIndex < destLen, @"our calc for decoded length was wrong");
destBytes[destIndex] = decode << 2;
state = 1;
break;
case 1:
// We're one character into a four-character cyphertext block.
// This sets the low two bits of the first plaintext byte,
// and the high four bits of the second plaintext byte.
// _GTMDevAssert((destIndex+1) < destLen, @"our calc for decoded length was wrong");
destBytes[destIndex] |= decode >> 4;
destBytes[destIndex + 1] = (decode & 0x0f) << 4;
destIndex++;
state = 2;
break;
case 2:
// We're two characters into a four-character cyphertext block.
// This sets the low four bits of the second plaintext
// byte, and the high two bits of the third plaintext byte.
// However, if this is the end of data, and those two
// bits are zero, it could be that those two bits are
// leftovers from the encoding of data that had a length
// of two mod three.
// _GTMDevAssert((destIndex+1) < destLen, @"our calc for decoded length was wrong");
destBytes[destIndex] |= decode >> 2;
destBytes[destIndex + 1] = (decode & 0x03) << 6;
destIndex++;
state = 3;
break;
case 3:
// We're at the last character of a four-character cyphertext block.
// This sets the low six bits of the third plaintext byte.
// _GTMDevAssert(destIndex < destLen, @"our calc for decoded length was wrong");
destBytes[destIndex] |= decode;
destIndex++;
state = 0;
break;
}
}
// We are done decoding Base-64 chars. Let's see if we ended
// on a byte boundary, and/or with erroneous trailing characters.
if (ch == kBase64PaddingChar) { // We got a pad char
if ((state == 0) || (state == 1)) {
return 0; // Invalid '=' in first or second position
}
if (srcLen == 0) {
if (state == 2) { // We run out of input but we still need another '='
return 0;
}
// Otherwise, we are in state 3 and only need this '='
} else {
if (state == 2) { // need another '='
while ((ch = *srcBytes++) && (srcLen-- > 0)) {
if (!QN_IsSpace(ch))
break;
}
if (ch != kBase64PaddingChar) {
return 0;
}
}
// state = 1 or 2, check if all remain padding is space
while ((ch = *srcBytes++) && (srcLen-- > 0)) {
if (!QN_IsSpace(ch)) {
return 0;
}
}
}
} else {
// We ended by seeing the end of the string.
if (requirePadding) {
// If we require padding, then anything but state 0 is an error.
if (state != 0) {
return 0;
}
} else {
// Make sure we have no partial bytes lying around. Note that we do not
// require trailing '=', so states 2 and 3 are okay too.
if (state == 1) {
return 0;
}
}
}
// If then next piece of output was valid and got written to it means we got a
// very carefully crafted input that appeared valid but contains some trailing
// bits past the real length, so just toss the thing.
if ((destIndex < destLen) &&
(destBytes[destIndex] != 0)) {
return 0;
}
return destIndex;
}
@end