mirror of
https://github.com/samsonjs/arq_restore.git
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58 lines
2.2 KiB
Objective-C
58 lines
2.2 KiB
Objective-C
// Copyright (c) 2006 Dave Dribin (http://www.dribin.org/dave/)
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#import "NSData-Base64Extensions.h"
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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@implementation NSData (Base64)
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- (NSString *) encodeBase64;
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{
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return [self encodeBase64WithNewlines: YES];
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}
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- (NSString *) encodeBase64WithNewlines: (BOOL) encodeWithNewlines;
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{
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// Create a memory buffer which will contain the Base64 encoded string
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BIO * mem = BIO_new(BIO_s_mem());
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// Push on a Base64 filter so that writing to the buffer encodes the data
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BIO * b64 = BIO_new(BIO_f_base64());
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if (!encodeWithNewlines)
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BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
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mem = BIO_push(b64, mem);
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// Encode all the data
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BIO_write(mem, [self bytes], [self length]);
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if (BIO_flush(mem) < 1) {
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HSLogError(@"BIO_flush error");
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}
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// Create a new string from the data in the memory buffer
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char * base64Pointer;
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long base64Length = BIO_get_mem_data(mem, &base64Pointer);
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NSString *base64String = [[[NSString alloc] initWithCString:base64Pointer length:base64Length] autorelease];
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// Clean up and go home
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BIO_free_all(mem);
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return base64String;
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}
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@end
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