ObjFW  Diff

 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFMutableURL.h"
#import "OFMutableURI.h"
#import "OFURI+Private.h"
#import "OFArray.h"
#import "OFDictionary.h"
#ifdef OF_HAVE_FILES
# import "OFFileManager.h"
#endif
#import "OFNumber.h"
#import "OFPair.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

@implementation OFMutableURL
@dynamic scheme, URLEncodedScheme, host, URLEncodedHost, port, user;
@dynamic URLEncodedUser, password, URLEncodedPassword, path, URLEncodedPath;
@dynamic pathComponents, query, URLEncodedQuery, queryDictionary, fragment;
@dynamic URLEncodedFragment;
@implementation OFMutableURI
@dynamic scheme, host, percentEncodedHost, port, user, percentEncodedUser;
@dynamic password, percentEncodedPassword, path, percentEncodedPath;
@dynamic pathComponents, query, percentEncodedQuery, queryItems, fragment;
@dynamic percentEncodedFragment;

+ (instancetype)URL
+ (instancetype)URIWithScheme: (OFString *)scheme
{
	return [[[self alloc] init] autorelease];
	return [[[self alloc] initWithScheme: scheme] autorelease];
}

- (instancetype)initWithScheme: (OFString *)scheme
{
	self = [super of_init];

	@try {
		self.scheme = scheme;
		_percentEncodedPath = @"";
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)setScheme: (OFString *)scheme
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedScheme;
	OFString *old = _scheme;

	if (scheme.length < 1 || !OFASCIIIsAlpha(*scheme.UTF8String))
		@throw [OFInvalidFormatException exception];
	_URLEncodedScheme = [[scheme stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLSchemeAllowedCharacterSet]] copy];

	OFURIVerifyIsEscaped(scheme,
	    [OFCharacterSet URISchemeAllowedCharacterSet], false);

	_scheme = [scheme.lowercaseString copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedScheme: (OFString *)URLEncodedScheme
{
	OFString *old;

	if (URLEncodedScheme != nil)
		OFURLVerifyIsEscaped(URLEncodedScheme,
		    [OFCharacterSet URLSchemeAllowedCharacterSet]);

	old = _URLEncodedScheme;
	_URLEncodedScheme = [URLEncodedScheme copy];
	[old release];
}

- (void)setHost: (OFString *)host
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedHost;
	OFString *old = _percentEncodedHost;

	if (OFURLIsIPv6Host(host))
		_URLEncodedHost = [[OFString alloc]
	if (OFURIIsIPv6Host(host))
		_percentEncodedHost = [[OFString alloc]
		    initWithFormat: @"[%@]", host];
	else
		_URLEncodedHost = [[host
		    stringByURLEncodingWithAllowedCharacters:
		    [OFCharacterSet URLHostAllowedCharacterSet]] copy];
		_percentEncodedHost = [[host
		    stringByAddingPercentEncodingWithAllowedCharacters:
		    [OFCharacterSet URIHostAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedHost: (OFString *)URLEncodedHost
- (void)setPercentEncodedHost: (OFString *)percentEncodedHost
{
	OFString *old;

	if ([URLEncodedHost hasPrefix: @"["] &&
	    [URLEncodedHost hasSuffix: @"]"]) {
		if (!OFURLIsIPv6Host([URLEncodedHost substringWithRange:
		    OFRangeMake(1, URLEncodedHost.length - 2)]))
	if ([percentEncodedHost hasPrefix: @"["] &&
	    [percentEncodedHost hasSuffix: @"]"]) {
		if (!OFURIIsIPv6Host([percentEncodedHost substringWithRange:
		    OFMakeRange(1, percentEncodedHost.length - 2)]))
			@throw [OFInvalidFormatException exception];
	} else if (URLEncodedHost != nil)
		OFURLVerifyIsEscaped(URLEncodedHost,
		    [OFCharacterSet URLHostAllowedCharacterSet]);
	} else if (percentEncodedHost != nil)
		OFURIVerifyIsEscaped(percentEncodedHost,
		    [OFCharacterSet URIHostAllowedCharacterSet], true);

	old = _URLEncodedHost;
	_URLEncodedHost = [URLEncodedHost copy];
	old = _percentEncodedHost;
	_percentEncodedHost = [percentEncodedHost copy];
	[old release];
}

- (void)setPort: (OFNumber *)port
{
	OFNumber *old = _port;

	if (port.longLongValue < 0 || port.longLongValue > 65535)
		@throw [OFInvalidArgumentException exception];

	_port = [port copy];
	[old release];
}

- (void)setUser: (OFString *)user
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedUser;
	OFString *old = _percentEncodedUser;

	_percentEncodedUser = [[user
	_URLEncodedUser = [[user stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLUserAllowedCharacterSet]] copy];
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIUserAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedUser: (OFString *)URLEncodedUser
- (void)setPercentEncodedUser: (OFString *)percentEncodedUser
{
	OFString *old;

	if (URLEncodedUser != nil)
		OFURLVerifyIsEscaped(URLEncodedUser,
		    [OFCharacterSet URLUserAllowedCharacterSet]);
	if (percentEncodedUser != nil)
		OFURIVerifyIsEscaped(percentEncodedUser,
		    [OFCharacterSet URIUserAllowedCharacterSet], true);

	old = _URLEncodedUser;
	_URLEncodedUser = [URLEncodedUser copy];
	old = _percentEncodedUser;
	_percentEncodedUser = [percentEncodedUser copy];
	[old release];
}

- (void)setPassword: (OFString *)password
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedPassword;
	OFString *old = _percentEncodedPassword;

	_URLEncodedPassword = [[password
	    stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLPasswordAllowedCharacterSet]] copy];
	_percentEncodedPassword = [[password
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIPasswordAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedPassword: (OFString *)URLEncodedPassword
- (void)setPercentEncodedPassword: (OFString *)percentEncodedPassword
{
	OFString *old;

	if (URLEncodedPassword != nil)
		OFURLVerifyIsEscaped(URLEncodedPassword,
		    [OFCharacterSet URLPasswordAllowedCharacterSet]);
	if (percentEncodedPassword != nil)
		OFURIVerifyIsEscaped(percentEncodedPassword,
		    [OFCharacterSet URIPasswordAllowedCharacterSet], true);

	old = _URLEncodedPassword;
	_URLEncodedPassword = [URLEncodedPassword copy];
	old = _percentEncodedPassword;
	_percentEncodedPassword = [percentEncodedPassword copy];
	[old release];
}

- (void)setPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedPath;
	OFString *old = _percentEncodedPath;

	_percentEncodedPath = [[path
	_URLEncodedPath = [[path stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLPathAllowedCharacterSet]] copy];
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIPathAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedPath: (OFString *)URLEncodedPath
- (void)setPercentEncodedPath: (OFString *)percentEncodedPath
{
	OFString *old;

	if (URLEncodedPath != nil)
		OFURLVerifyIsEscaped(URLEncodedPath,
		    [OFCharacterSet URLPathAllowedCharacterSet]);
	OFURIVerifyIsEscaped(percentEncodedPath,
	    [OFCharacterSet URIPathAllowedCharacterSet], true);

	old = _URLEncodedPath;
	_URLEncodedPath = [URLEncodedPath copy];
	old = _percentEncodedPath;
	_percentEncodedPath = [percentEncodedPath copy];
	[old release];
}

- (void)setPathComponents: (OFArray *)components
{
	void *pool = objc_autoreleasePoolPush();

	if (components == nil) {
		self.path = nil;
		return;
	}

	if (components.count == 0)
		@throw [OFInvalidFormatException exception];

	if ([components.firstObject length] != 0)
		@throw [OFInvalidFormatException exception];
	if ([components.firstObject isEqual: @"/"]) {
		OFMutableArray *mutComponents =
		    [[components mutableCopy] autorelease];
		[mutComponents replaceObjectAtIndex: 0 withObject: @""];
		components = mutComponents;
	}

	self.path = [components componentsJoinedByString: @"/"];

	objc_autoreleasePoolPop(pool);
}

- (void)setQuery: (OFString *)query
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedQuery;
	OFString *old = _percentEncodedQuery;

	_percentEncodedQuery = [[query
	_URLEncodedQuery = [[query stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLQueryAllowedCharacterSet]] copy];
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIQueryAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedQuery: (OFString *)URLEncodedQuery
- (void)setPercentEncodedQuery: (OFString *)percentEncodedQuery
{
	OFString *old;

	if (URLEncodedQuery != nil)
		OFURLVerifyIsEscaped(URLEncodedQuery,
		    [OFCharacterSet URLQueryAllowedCharacterSet]);
	if (percentEncodedQuery != nil)
		OFURIVerifyIsEscaped(percentEncodedQuery,
		    [OFCharacterSet URIQueryAllowedCharacterSet], true);

	old = _URLEncodedQuery;
	_URLEncodedQuery = [URLEncodedQuery copy];
	old = _percentEncodedQuery;
	_percentEncodedQuery = [percentEncodedQuery copy];
	[old release];
}

- (void)setQueryDictionary:
    (OFDictionary OF_GENERIC(OFString *, OFString *) *)dictionary
- (void)setQueryItems:
    (OFArray OF_GENERIC(OFPair OF_GENERIC(OFString *, OFString *) *) *)
    queryItems
{
	void *pool;
	OFMutableString *URLEncodedQuery;
	OFMutableString *percentEncodedQuery;
	OFEnumerator OF_GENERIC(OFString *) *keyEnumerator, *objectEnumerator;
	OFCharacterSet *characterSet;
	OFString *key, *object, *old;
	OFString *old;

	if (dictionary == nil) {
		[_URLEncodedQuery release];
		_URLEncodedQuery = nil;
	if (queryItems == nil) {
		[_percentEncodedQuery release];
		_percentEncodedQuery = nil;
		return;
	}

	pool = objc_autoreleasePoolPush();
	URLEncodedQuery = [OFMutableString string];
	percentEncodedQuery = [OFMutableString string];
	keyEnumerator = [dictionary keyEnumerator];
	objectEnumerator = [dictionary objectEnumerator];
	characterSet = [OFCharacterSet URLQueryKeyValueAllowedCharacterSet];
	characterSet = [OFCharacterSet URIQueryKeyValueAllowedCharacterSet];

	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		key = [key
		    stringByURLEncodingWithAllowedCharacters: characterSet];
		object = [object
		    stringByURLEncodingWithAllowedCharacters: characterSet];
	for (OFPair OF_GENERIC(OFString *, OFString *) *item in queryItems) {
		OFString *key = [item.firstObject
		    stringByAddingPercentEncodingWithAllowedCharacters:
		    characterSet];
		OFString *value = [item.secondObject
		    stringByAddingPercentEncodingWithAllowedCharacters:
		    characterSet];

		if (URLEncodedQuery.length > 0)
			[URLEncodedQuery appendString: @"&"];
		if (percentEncodedQuery.length > 0)
			[percentEncodedQuery appendString: @"&"];

		[URLEncodedQuery appendFormat: @"%@=%@", key, object];
		[percentEncodedQuery appendFormat: @"%@=%@", key, value];
	}

	old = _URLEncodedQuery;
	_URLEncodedQuery = [URLEncodedQuery copy];
	old = _percentEncodedQuery;
	_percentEncodedQuery = [percentEncodedQuery copy];
	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setFragment: (OFString *)fragment
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _URLEncodedFragment;
	OFString *old = _percentEncodedFragment;

	_URLEncodedFragment = [[fragment
	    stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLFragmentAllowedCharacterSet]] copy];
	_percentEncodedFragment = [[fragment
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIFragmentAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setURLEncodedFragment: (OFString *)URLEncodedFragment
- (void)setPercentEncodedFragment: (OFString *)percentEncodedFragment
{
	OFString *old;

	if (URLEncodedFragment != nil)
		OFURLVerifyIsEscaped(URLEncodedFragment,
		    [OFCharacterSet URLFragmentAllowedCharacterSet]);
	if (percentEncodedFragment != nil)
		OFURIVerifyIsEscaped(percentEncodedFragment,
		    [OFCharacterSet URIFragmentAllowedCharacterSet], true);

	old = _URLEncodedFragment;
	_URLEncodedFragment = [URLEncodedFragment copy];
	old = _percentEncodedFragment;
	_percentEncodedFragment = [percentEncodedFragment copy];
	[old release];
}

- (id)copy
{
	OFMutableURL *copy = [self mutableCopy];
	OFMutableURI *copy = [self mutableCopy];

	[copy makeImmutable];

	return copy;
}

- (void)appendPathComponent: (OFString *)component
{
	[self appendPathComponent: component isDirectory: false];

#ifdef OF_HAVE_FILES
	if ([_URLEncodedScheme isEqual: @"file"] &&
	    ![_URLEncodedPath hasSuffix: @"/"] &&
	    [[OFFileManager defaultManager] directoryExistsAtURL: self]) {
	if ([_scheme isEqual: @"file"] &&
	    ![_percentEncodedPath hasSuffix: @"/"] &&
	    [[OFFileManager defaultManager] directoryExistsAtURI: self]) {
		void *pool = objc_autoreleasePoolPush();
		OFString *path = [_URLEncodedPath
		OFString *path = [_percentEncodedPath
		    stringByAppendingString: @"/"];

		[_URLEncodedPath release];
		_URLEncodedPath = [path retain];
		[_percentEncodedPath release];
		_percentEncodedPath = [path retain];

		objc_autoreleasePoolPop(pool);
	}
#endif
}

- (void)appendPathComponent: (OFString *)component
		isDirectory: (bool)isDirectory
{
	void *pool;
	OFString *path;

	if ([component isEqual: @"/"] && [_URLEncodedPath hasSuffix: @"/"])
	if ([component isEqual: @"/"] && [_percentEncodedPath hasSuffix: @"/"])
		return;

	pool = objc_autoreleasePoolPush();
	component = [component stringByURLEncodingWithAllowedCharacters:
	    [OFCharacterSet URLPathAllowedCharacterSet]];
	component = [component
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIPathAllowedCharacterSet]];

#if defined(OF_WINDOWS) || defined(OF_MSDOS)
	if ([_URLEncodedPath hasSuffix: @"/"] ||
	    ([_URLEncodedScheme isEqual: @"file"] &&
	    [_URLEncodedPath hasSuffix: @":"]))
	if ([_percentEncodedPath hasSuffix: @"/"] ||
	    ([_scheme isEqual: @"file"] &&
	    [_percentEncodedPath hasSuffix: @":"]))
#else
	if ([_URLEncodedPath hasSuffix: @"/"])
	if ([_percentEncodedPath hasSuffix: @"/"])
#endif
		path = [_URLEncodedPath stringByAppendingString: component];
		path = [_percentEncodedPath stringByAppendingString: component];
	else
		path = [_URLEncodedPath
		path = [_percentEncodedPath
		    stringByAppendingFormat: @"/%@", component];

	if (isDirectory && ![path hasSuffix: @"/"])
		path = [path stringByAppendingString: @"/"];

	[_URLEncodedPath release];
	_URLEncodedPath = [path retain];
	[_percentEncodedPath release];
	_percentEncodedPath = [path retain];

	objc_autoreleasePoolPop(pool);
}

- (void)standardizePath
{
	void *pool;
	void *pool = objc_autoreleasePoolPush();
	OFMutableArray OF_GENERIC(OFString *) *array;
	bool done = false, endsWithEmpty;
	bool done = false, startsWithEmpty, endsWithEmpty;
	OFString *path;

	if (_URLEncodedPath == nil)
		return;

	pool = objc_autoreleasePoolPush();

	array = [[[_URLEncodedPath
	array = [[[_percentEncodedPath
	    componentsSeparatedByString: @"/"] mutableCopy] autorelease];

	if ([array.firstObject length] != 0)
		@throw [OFInvalidFormatException exception];

	endsWithEmpty = ([array.lastObject length] == 0);
	startsWithEmpty = ([array.firstObject length] == 0);

	while (!done) {
		size_t length = array.count;

		done = true;

		for (size_t i = 0; i < length; i++) {

				done = false;
				break;
			}

			if ([current isEqual: @".."] && parent != nil &&
			    ![parent isEqual: @".."]) {
				[array removeObjectsInRange:
				    OFRangeMake(i - 1, 2)];
				    OFMakeRange(i - 1, 2)];

				done = false;
				break;
			}
		}
	}

	if (startsWithEmpty)
	[array insertObject: @"" atIndex: 0];
		[array insertObject: @"" atIndex: 0];
	if (endsWithEmpty)
		[array addObject: @""];

	path = [array componentsJoinedByString: @"/"];
	if (path.length == 0)
	if (startsWithEmpty && path.length == 0)
		path = @"/";

	[self setURLEncodedPath: path];
	self.percentEncodedPath = path;

	objc_autoreleasePoolPop(pool);
}

- (void)makeImmutable
{
	object_setClass(self, [OFURL class]);
	object_setClass(self, [OFURI class]);
}
@end