blob: 361bbbef76ef9d6be42d6a0171f0974ba4eaa2a8 [file] [log] [blame]
/*
* Copyright 2012 Google Inc. All rights reserved.
* Copyright 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Functions for canonicalizing "filesystem:file:" URLs.
#include "config.h"
#include "URLCanon.h"
#include "RawURLBuffer.h"
#include "URLCanonInternal.h"
#include "URLFile.h"
#include "URLParseInternal.h"
#include "URLUtil.h"
#include "URLUtilInternal.h"
#if USE(WTFURL)
namespace WTF {
namespace URLCanonicalizer {
namespace {
// We use the URLComponentSource for the outer URL, as it can have replacements,
// whereas the inner_url can't, so it uses spec.
template<typename CharacterType, typename UCHAR>
bool doCanonicalizeFileSystemURL(const CharacterType* spec,
const URLComponentSource<CharacterType>& source,
const URLSegments& parsed,
URLQueryCharsetConverter* charsetConverter,
URLBuffer<char>& output,
URLSegments& outputParsed)
{
// filesystem only uses {scheme, path, query, ref} -- clear the rest.
outputParsed.username = URLComponent();
outputParsed.password = URLComponent();
outputParsed.host = URLComponent();
outputParsed.port = URLComponent();
const URLSegments* innerParsed = parsed.innerURLSegments();
URLSegments newInnerParsed;
// Scheme (known, so we don't bother running it through the more
// complicated scheme canonicalizer).
outputParsed.scheme.setBegin(output.length());
output.append("filesystem:", 11);
outputParsed.scheme.setLength(10);
if (!parsed.innerURLSegments() || !parsed.innerURLSegments()->scheme.isValid())
return false;
bool success = true;
if (URLUtilities::CompareSchemeComponent(spec, innerParsed->scheme, URLUtilities::kFileScheme)) {
newInnerParsed.scheme.setBegin(output.length());
output.append("file://", 7);
newInnerParsed.scheme.setLength(4);
success &= CanonicalizePath(spec, innerParsed->path, output,
&newInnerParsed.path);
} else if (URLUtilities::isStandard(spec, innerParsed->scheme)) {
success =
URLCanonicalizer::CanonicalizeStandardURL(spec,
parsed.innerURLSegments()->length(),
*parsed.innerURLSegments(),
charsetConverter, output,
&newInnerParsed);
} else {
// TODO(ericu): The URL is wrong, but should we try to output more of what
// we were given? Echoing back filesystem:mailto etc. doesn't seem all that useful.
return false;
}
// The filesystem type must be more than just a leading slash for validity.
success &= parsed.innerURLSegments()->path.length() > 1;
success &= CanonicalizePath(source.path, parsed.path, output, &outputParsed.path);
// Ignore failures for query/ref since the URL can probably still be loaded.
CanonicalizeQuery(source.query, parsed.query, charsetConverter, output, &outputParsed.query);
canonicalizeFragment(source.ref, parsed.fragment, output, outputParsed.fragment);
if (success)
outputParsed.setInnerURLSegments(newInnerParsed);
return success;
}
} // namespace
bool canonicalizeFileSystemURL(const char* spec,
const URLSegments& parsed,
URLQueryCharsetConverter* charsetConverter,
URLBuffer<char>& output,
URLSegments& outputParsed)
{
return doCanonicalizeFileSystemURL<char, unsigned char>(spec, URLComponentSource<char>(spec), parsed, charsetConverter, output, outputParsed);
}
bool canonicalizeFileSystemURL(const UChar* spec,
const URLSegments& parsed,
URLQueryCharsetConverter* charsetConverter,
URLBuffer<char>& output,
URLSegments& outputParsed)
{
return doCanonicalizeFileSystemURL<UChar, UChar>(spec, URLComponentSource<UChar>(spec), parsed, charsetConverter, output, outputParsed);
}
bool ReplaceFileSystemURL(const char* base,
const URLSegments& baseParsed,
const Replacements<char>& replacements,
URLQueryCharsetConverter* charsetConverter,
URLBuffer<char>& output,
URLSegments* outputParsed)
{
URLComponentSource<char> source(base);
URLSegments parsed(baseParsed);
SetupOverrideComponents(base, replacements, &source, &parsed);
return doCanonicalizeFileSystemURL<char, unsigned char>(base, source, parsed, charsetConverter, output, *outputParsed);
}
bool ReplaceFileSystemURL(const char* base,
const URLSegments& baseParsed,
const Replacements<UChar>& replacements,
URLQueryCharsetConverter* charsetConverter,
URLBuffer<char>& output,
URLSegments* outputParsed)
{
RawURLBuffer<char> utf8;
URLComponentSource<char> source(base);
URLSegments parsed(baseParsed);
SetupUTF16OverrideComponents(base, replacements, utf8, &source, &parsed);
return doCanonicalizeFileSystemURL<char, unsigned char>(base, source, parsed, charsetConverter, output, *outputParsed);
}
} // namespace URLCanonicalizer
} // namespace WTF
#endif // USE(WTFURL)