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* file.
*/
#include "config.h"
#include <errno.h>
#import "OFArchiveURIHandler.h"
#import "OFArchiveIRIHandler.h"
#import "OFCharacterSet.h"
#import "OFGZIPStream.h"
#import "OFIRI.h"
#import "OFLHAArchive.h"
#import "OFStream.h"
#import "OFTarArchive.h"
#import "OFURI.h"
@interface OFArchiveURIHandlerPathAllowedCharacterSet: OFCharacterSet
@interface OFArchiveIRIHandlerPathAllowedCharacterSet: OFCharacterSet
{
OFCharacterSet *_characterSet;
bool (*_characterIsMember)(id, SEL, OFUnichar);
}
@end
static OFCharacterSet *pathAllowedCharacters;
static void
initPathAllowedCharacters(void)
{
pathAllowedCharacters =
[[OFArchiveURIHandlerPathAllowedCharacterSet alloc] init];
[[OFArchiveIRIHandlerPathAllowedCharacterSet alloc] init];
}
@implementation OFArchiveURIHandler
- (OFStream *)openItemAtURI: (OFURI *)URI mode: (OFString *)mode
@implementation OFArchiveIRIHandler
- (OFStream *)openItemAtIRI: (OFIRI *)IRI mode: (OFString *)mode
{
void *pool = objc_autoreleasePoolPush();
OFString *scheme = URI.scheme;
OFString *scheme = IRI.scheme;
OFString *percentEncodedPath, *path;
size_t pos;
OFURI *archiveURI;
OFIRI *archiveIRI;
OFStream *stream;
if (URI.host != nil || URI.port != nil || URI.user != nil ||
URI.password != nil || URI.query != nil || URI.fragment != nil)
if (IRI.host != nil || IRI.port != nil || IRI.user != nil ||
IRI.password != nil || IRI.query != nil || IRI.fragment != nil)
@throw [OFInvalidArgumentException exception];
if (![mode isEqual: @"r"])
/*
* Writing has some implications that are not decided yet: Will
* it always append to an archive? What happens if the file
* already exists?
*/
@throw [OFInvalidArgumentException exception];
/*
* GZIP only compresses one file and thus has no path inside an
* archive.
*/
if ([scheme isEqual: @"gzip"]) {
stream = [OFURIHandler openItemAtURI: [OFURI URIWithString:
URI.path]
stream = [OFIRIHandler openItemAtIRI: [OFIRI IRIWithString:
IRI.path]
mode: @"r"];
stream = [OFGZIPStream streamWithStream: stream mode: @"r"];
goto end;
}
percentEncodedPath = URI.percentEncodedPath;
percentEncodedPath = IRI.percentEncodedPath;
pos = [percentEncodedPath rangeOfString: @"!"].location;
if (pos == OFNotFound)
@throw [OFInvalidArgumentException exception];
archiveURI = [OFURI URIWithString:
archiveIRI = [OFIRI IRIWithString:
[percentEncodedPath substringWithRange: OFMakeRange(0, pos)]
.stringByRemovingPercentEncoding];
path = [percentEncodedPath substringWithRange:
OFMakeRange(pos + 1, percentEncodedPath.length - pos - 1)]
.stringByRemovingPercentEncoding;
if ([scheme isEqual: @"lha"]) {
OFLHAArchive *archive = [OFLHAArchive archiveWithURI: archiveURI
OFLHAArchive *archive = [OFLHAArchive archiveWithIRI: archiveIRI
mode: @"r"];
OFLHAArchiveEntry *entry;
while ((entry = [archive nextEntry]) != nil) {
if ([entry.fileName isEqual: path]) {
stream = [archive streamForReadingCurrentEntry];
goto end;
}
}
@throw [OFOpenItemFailedException exceptionWithURI: URI
@throw [OFOpenItemFailedException exceptionWithIRI: IRI
mode: mode
errNo: ENOENT];
} else if ([scheme isEqual: @"tar"]) {
OFTarArchive *archive = [OFTarArchive archiveWithURI: archiveURI
OFTarArchive *archive = [OFTarArchive archiveWithIRI: archiveIRI
mode: @"r"];
OFTarArchiveEntry *entry;
while ((entry = [archive nextEntry]) != nil) {
if ([entry.fileName isEqual: path]) {
stream = [archive streamForReadingCurrentEntry];
goto end;
}
}
@throw [OFOpenItemFailedException exceptionWithURI: URI
@throw [OFOpenItemFailedException exceptionWithIRI: IRI
mode: mode
errNo: ENOENT];
} else if ([scheme isEqual: @"zip"]) {
OFZIPArchive *archive = [OFZIPArchive archiveWithURI: archiveURI
OFZIPArchive *archive = [OFZIPArchive archiveWithIRI: archiveIRI
mode: @"r"];
stream = [archive streamForReadingFile: path];
} else
@throw [OFInvalidArgumentException exception];
end:
stream = [stream retain];
objc_autoreleasePoolPop(pool);
return [stream autorelease];
}
@end
@implementation OFArchiveURIHandlerPathAllowedCharacterSet
@implementation OFArchiveIRIHandlerPathAllowedCharacterSet
- (instancetype)init
{
self = [super init];
@try {
_characterSet =
[[OFCharacterSet URIPathAllowedCharacterSet] retain];
[[OFCharacterSet IRIPathAllowedCharacterSet] retain];
_characterIsMember = (bool (*)(id, SEL, OFUnichar))
[_characterSet methodForSelector:
@selector(characterIsMember:)];
} @catch (id e) {
[self release];
@throw e;
}
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- (bool)characterIsMember: (OFUnichar)character
{
return (character != '!' && _characterIsMember(_characterSet,
@selector(characterIsMember:), character));
}
@end
OFURI *
OFArchiveURIHandlerURIForFileInArchive(OFString *scheme,
OFString *pathInArchive, OFURI *archiveURI)
OFIRI *
OFArchiveIRIHandlerIRIForFileInArchive(OFString *scheme,
OFString *pathInArchive, OFIRI *archiveIRI)
{
static OFOnceControl onceControl = OFOnceControlInitValue;
OFMutableURI *ret = [OFMutableURI URIWithScheme: scheme];
OFMutableIRI *ret = [OFMutableIRI IRIWithScheme: scheme];
void *pool = objc_autoreleasePoolPush();
OFString *archiveURIString;
OFString *archiveIRIString;
OFOnce(&onceControl, initPathAllowedCharacters);
pathInArchive = [pathInArchive
stringByAddingPercentEncodingWithAllowedCharacters:
pathAllowedCharacters];
archiveURIString = [archiveURI.string
archiveIRIString = [archiveIRI.string
stringByAddingPercentEncodingWithAllowedCharacters:
pathAllowedCharacters];
ret.percentEncodedPath = [OFString
stringWithFormat: @"%@!%@", archiveURIString, pathInArchive];
stringWithFormat: @"%@!%@", archiveIRIString, pathInArchive];
[ret makeImmutable];
objc_autoreleasePoolPop(pool);
return ret;
}
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