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Added Base64 functions modelled after Dave Dribin at http://www.dribi…
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Gleb Dolgich
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Mar 5, 2009
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| // Copyright (c) 2006 Dave Dribin (http://www.dribin.org/dave/) | ||
| // Permission is hereby granted, free of charge, to any person obtaining | ||
| // a copy of this software and associated documentation files (the | ||
| // "Software"), to deal in the Software without restriction, including | ||
| // without limitation the rights to use, copy, modify, merge, publish, | ||
| // distribute, sublicense, and/or sell copies of the Software, and to | ||
| // permit persons to whom the Software is furnished to do so, subject to | ||
| // the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be | ||
| // included in all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | ||
| // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
| // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
| // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
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| #import <Foundation/Foundation.h> | ||
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| @interface NSString (Base64) | ||
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| - (NSData *) decodeBase64; | ||
| - (NSData *) decodeBase64WithNewlines: (BOOL) encodedWithNewlines; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| // Copyright (c) 2006 Dave Dribin (http://www.dribin.org/dave/) | ||
| // Permission is hereby granted, free of charge, to any person obtaining | ||
| // a copy of this software and associated documentation files (the | ||
| // "Software"), to deal in the Software without restriction, including | ||
| // without limitation the rights to use, copy, modify, merge, publish, | ||
| // distribute, sublicense, and/or sell copies of the Software, and to | ||
| // permit persons to whom the Software is furnished to do so, subject to | ||
| // the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be | ||
| // included in all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | ||
| // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
| // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
| // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| // | ||
| // Modified by Gleb Dolgich @gbd | ||
| // PixelEspresso, http://www.pixelespressoapps.com/ | ||
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| #import "NSString-Base64Extensions.h" | ||
| #include <openssl/bio.h> | ||
| #include <openssl/evp.h> | ||
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| @implementation NSString (Base64) | ||
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| - (NSData *) decodeBase64; | ||
| { | ||
| return [self decodeBase64WithNewlines: YES]; | ||
| } | ||
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| - (NSData *) decodeBase64WithNewlines: (BOOL) encodedWithNewlines; | ||
| { | ||
| // Create a memory buffer containing Base64 encoded string data | ||
| const char *utf8 = [self UTF8String]; | ||
| if (!utf8) | ||
| return nil; | ||
| BIO * mem = BIO_new_mem_buf((void *)utf8, strlen(utf8)); | ||
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| // Push a Base64 filter so that reading from the buffer decodes it | ||
| BIO * b64 = BIO_new(BIO_f_base64()); | ||
| if (!encodedWithNewlines) | ||
| BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); | ||
| mem = BIO_push(b64, mem); | ||
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| // Decode into an NSMutableData | ||
| NSMutableData * data = [NSMutableData data]; | ||
| char inbuf[512]; | ||
| int inlen; | ||
| while ((inlen = BIO_read(mem, inbuf, sizeof(inbuf))) > 0) | ||
| [data appendBytes: inbuf length: inlen]; | ||
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| // Clean up and go home | ||
| BIO_free_all(mem); | ||
| return data; | ||
| } | ||
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| @end |
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