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// Copyright 2008, Google 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 "mailto:" URLs.
#include "url_canon.h"
#include "url_canon_internal.h"
#include "url_file.h"
#include "url_parse_internal.h"
namespace url_canon {
namespace {
template<typename CHAR, typename UCHAR>
bool DoCanonicalizeMailtoURL(const URLComponentSource<CHAR>& source,
const url_parse::Parsed& parsed,
CanonOutput* output,
url_parse::Parsed* new_parsed) {
// mailto: only uses {scheme, path, query} -- clear the rest.
new_parsed->username = url_parse::Component();
new_parsed->password = url_parse::Component();
new_parsed->host = url_parse::Component();
new_parsed->port = url_parse::Component();
new_parsed->ref = url_parse::Component();
// Scheme (known, so we don't bother running it through the more
// complicated scheme canonicalizer).
new_parsed->scheme.begin = output->length();
output->Append("mailto:", 7);
new_parsed->scheme.len = 6;
bool success = true;
// Path
if (parsed.path.is_valid()) {
new_parsed->path.begin = output->length();
// Copy the path using path URL's more lax escaping rules.
// We convert to UTF-8 and escape non-ASCII, but leave all
// ASCII characters alone.
int end = parsed.path.end();
for (int i = parsed.path.begin; i < end; ++i) {
UCHAR uch = static_cast<UCHAR>(source.path[i]);
if (uch < 0x20 || uch >= 0x80)
success &= AppendUTF8EscapedChar(source.path, &i, end, output);
else
output->push_back(static_cast<char>(uch));
}
new_parsed->path.len = output->length() - new_parsed->path.begin;
} else {
// No path at all
new_parsed->path.reset();
}
// Query -- always use the default utf8 charset converter.
CanonicalizeQuery(source.query, parsed.query, NULL,
output, &new_parsed->query);
return success;
}
} // namespace
bool CanonicalizeMailtoURL(const char* spec,
int spec_len,
const url_parse::Parsed& parsed,
CanonOutput* output,
url_parse::Parsed* new_parsed) {
(void)spec_len;
return DoCanonicalizeMailtoURL<char, unsigned char>(
URLComponentSource<char>(spec), parsed, output, new_parsed);
}
bool CanonicalizeMailtoURL(const char16* spec,
int spec_len,
const url_parse::Parsed& parsed,
CanonOutput* output,
url_parse::Parsed* new_parsed) {
(void)spec_len;
return DoCanonicalizeMailtoURL<char16, char16>(
URLComponentSource<char16>(spec), parsed, output, new_parsed);
}
bool ReplaceMailtoURL(const char* base,
const url_parse::Parsed& base_parsed,
const Replacements<char>& replacements,
CanonOutput* output,
url_parse::Parsed* new_parsed) {
URLComponentSource<char> source(base);
url_parse::Parsed parsed(base_parsed);
SetupOverrideComponents(base, replacements, &source, &parsed);
return DoCanonicalizeMailtoURL<char, unsigned char>(
source, parsed, output, new_parsed);
}
bool ReplaceMailtoURL(const char* base,
const url_parse::Parsed& base_parsed,
const Replacements<char16>& replacements,
CanonOutput* output,
url_parse::Parsed* new_parsed) {
RawCanonOutput<1024> utf8;
URLComponentSource<char> source(base);
url_parse::Parsed parsed(base_parsed);
SetupUTF16OverrideComponents(base, replacements, &utf8, &source, &parsed);
return DoCanonicalizeMailtoURL<char, unsigned char>(
source, parsed, output, new_parsed);
}
} // namespace url_canon
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