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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "url/origin.h"
#include <stdint.h>
#include <string.h>
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "url/gurl.h"
#include "url/url_canon.h"
#include "url/url_canon_stdstring.h"
#include "url/url_constants.h"
#include "url/url_util.h"
namespace url {
Origin::Origin() {}
Origin Origin::Create(const GURL& url) {
if (!url.is_valid() || (!url.IsStandard() && !url.SchemeIsBlob()))
return Origin();
SchemeHostPort tuple;
if (url.SchemeIsFileSystem()) {
tuple = SchemeHostPort(*url.inner_url());
} else if (url.SchemeIsBlob()) {
// If we're dealing with a 'blob:' URL, https://url.spec.whatwg.org/#origin
// defines the origin as the origin of the URL which results from parsing
// the "path", which boils down to everything after the scheme. GURL's
// 'GetContent()' gives us exactly that.
tuple = SchemeHostPort(GURL(url.GetContent()));
} else {
tuple = SchemeHostPort(url);
}
if (tuple.IsInvalid())
return Origin();
return Origin(std::move(tuple));
}
// Note: this is very similar to Create(const GURL&), but opaque origins are
// created with CreateUniqueOpaque() rather than the default constructor.
Origin Origin::CreateCanonical(const GURL& url) {
if (!url.is_valid() || (!url.IsStandard() && !url.SchemeIsBlob()))
return CreateUniqueOpaque();
SchemeHostPort tuple;
if (url.SchemeIsFileSystem()) {
tuple = SchemeHostPort(*url.inner_url());
} else if (url.SchemeIsBlob()) {
// If we're dealing with a 'blob:' URL, https://url.spec.whatwg.org/#origin
// defines the origin as the origin of the URL which results from parsing
// the "path", which boils down to everything after the scheme. GURL's
// 'GetContent()' gives us exactly that.
tuple = SchemeHostPort(GURL(url.GetContent()));
} else {
tuple = SchemeHostPort(url);
}
if (tuple.IsInvalid())
return CreateUniqueOpaque();
return Origin(std::move(tuple));
}
Origin::Origin(const Origin& other) = default;
Origin& Origin::operator=(const Origin& other) = default;
Origin::Origin(Origin&& other) = default;
Origin& Origin::operator=(Origin&& other) = default;
Origin::~Origin() = default;
// static
Origin Origin::UnsafelyCreateOriginWithoutNormalization(
base::StringPiece scheme,
base::StringPiece host,
uint16_t port) {
SchemeHostPort tuple(scheme.as_string(), host.as_string(), port,
SchemeHostPort::CHECK_CANONICALIZATION);
if (tuple.IsInvalid())
return Origin();
return Origin(std::move(tuple));
}
Origin Origin::CreateFromNormalizedTuple(std::string scheme,
std::string host,
uint16_t port) {
SchemeHostPort tuple(std::move(scheme), std::move(host), port,
SchemeHostPort::ALREADY_CANONICALIZED);
if (tuple.IsInvalid())
return Origin();
return Origin(std::move(tuple));
}
std::string Origin::Serialize() const {
if (unique())
return "null";
if (scheme() == kFileScheme)
return "file://";
return tuple_.Serialize();
}
GURL Origin::GetURL() const {
if (unique())
return GURL();
if (scheme() == kFileScheme)
return GURL("file:///");
return tuple_.GetURL();
}
bool Origin::IsSameOriginWith(const Origin& other) const {
return tuple_.Equals(other.tuple_) &&
(!unique() || (nonce_ && nonce_ == other.nonce_));
}
bool Origin::DomainIs(base::StringPiece canonical_domain) const {
return !unique() && url::DomainIs(tuple_.host(), canonical_domain);
}
bool Origin::operator<(const Origin& other) const {
return std::tie(tuple_, nonce_) < std::tie(other.tuple_, other.nonce_);
}
Origin Origin::CreateUniqueOpaque() {
return Origin(ConstructAsOpaque::kTag);
}
Origin::Origin(ConstructAsOpaque) : nonce_(base::UnguessableToken::Create()) {}
Origin::Origin(SchemeHostPort tuple) : tuple_(std::move(tuple)) {
DCHECK(!tuple_.IsInvalid());
}
std::ostream& operator<<(std::ostream& out, const url::Origin& origin) {
return out << origin.Serialize();
}
bool IsSameOriginWith(const GURL& a, const GURL& b) {
return Origin::Create(a).IsSameOriginWith(Origin::Create(b));
}
} // namespace url
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