--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/KURLGoogle.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1128 @@
+/*
+ * Copyright (C) 2004, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2009 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.
+ */
+
+#include "config.h"
+
+#if USE(GOOGLEURL)
+#include "KURL.h"
+
+#ifndef NDEBUG
+#include <stdio.h>
+#endif
+
+#include <algorithm>
+
+#include "StringHash.h"
+#include "NotImplemented.h"
+#include "TextEncoding.h"
+#include <wtf/HashMap.h>
+#include <wtf/Vector.h>
+#include <wtf/StdLibExtras.h>
+#include <wtf/text/CString.h>
+
+#include <googleurl/src/url_util.h>
+
+using WTF::isASCIILower;
+using WTF::toASCIILower;
+using std::binary_search;
+
+namespace WebCore {
+
+static const int maximumValidPortNumber = 0xFFFE;
+static const int invalidPortNumber = 0xFFFF;
+
+// Wraps WebCore's text encoding in a character set converter for the
+// canonicalizer.
+class KURLCharsetConverter : public url_canon::CharsetConverter {
+public:
+ // The encoding parameter may be NULL, but in this case the object must not
+ // be called.
+ KURLCharsetConverter(const TextEncoding* encoding)
+ : m_encoding(encoding)
+ {
+ }
+
+ virtual void ConvertFromUTF16(const url_parse::UTF16Char* input, int inputLength,
+ url_canon::CanonOutput* output)
+ {
+ CString encoded = m_encoding->encode(input, inputLength, URLEncodedEntitiesForUnencodables);
+ output->Append(encoded.data(), static_cast<int>(encoded.length()));
+ }
+
+private:
+ const TextEncoding* m_encoding;
+};
+
+// Note that this function must be named differently than the one in KURL.cpp
+// since our unit tests evilly include both files, and their local definition
+// will be ambiguous.
+static inline void assertProtocolIsGood(const char* protocol)
+{
+#ifndef NDEBUG
+ const char* p = protocol;
+ while (*p) {
+ ASSERT(*p > ' ' && *p < 0x7F && !(*p >= 'A' && *p <= 'Z'));
+ ++p;
+ }
+#endif
+}
+
+// Returns the characters for the given string, or a pointer to a static empty
+// string if the input string is NULL. This will always ensure we have a non-
+// NULL character pointer since ReplaceComponents has special meaning for NULL.
+static inline const url_parse::UTF16Char* CharactersOrEmpty(const String& str)
+{
+ static const url_parse::UTF16Char zero = 0;
+ return str.characters() ?
+ reinterpret_cast<const url_parse::UTF16Char*>(str.characters()) :
+ &zero;
+}
+
+static inline bool isUnicodeEncoding(const TextEncoding* encoding)
+{
+ return encoding->encodingForFormSubmission() == UTF8Encoding();
+}
+
+static bool lowerCaseEqualsASCII(const char* begin, const char* end, const char* str)
+{
+ while (begin != end && *str) {
+ ASSERT(toASCIILower(*str) == *str);
+ if (toASCIILower(*begin++) != *str++)
+ return false;
+ }
+
+ // Both strings are equal (ignoring case) if and only if all of the characters were equal,
+ // and the end of both has been reached.
+ return begin == end && !*str;
+}
+
+static inline bool isSchemeFirstChar(char c)
+{
+ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
+}
+
+static inline bool isSchemeChar(char c)
+{
+ return isSchemeFirstChar(c) || (c >= '0' && c <= '9') || c == '.' || c == '-' || c == '*';
+}
+
+
+// KURLGooglePrivate -----------------------------------------------------------
+
+KURLGooglePrivate::KURLGooglePrivate()
+ : m_isValid(false)
+ , m_protocolInHTTPFamily(false)
+ , m_utf8IsASCII(true)
+ , m_stringIsValid(false)
+{
+}
+
+KURLGooglePrivate::KURLGooglePrivate(const url_parse::Parsed& parsed, bool isValid)
+ : m_isValid(isValid)
+ , m_protocolInHTTPFamily(false)
+ , m_parsed(parsed)
+ , m_utf8IsASCII(true)
+ , m_stringIsValid(false)
+{
+}
+
+// Setters for the data. Using the ASCII version when you know the
+// data is ASCII will be slightly more efficient. The UTF-8 version
+// will always be correct if the caller is unsure.
+void KURLGooglePrivate::setUtf8(const CString& str)
+{
+ const char* data = str.data();
+ unsigned dataLength = str.length();
+
+ // The m_utf8IsASCII must always be correct since the DeprecatedString
+ // getter must create it with the proper constructor. This test can be
+ // removed when DeprecatedString is gone, but it still might be a
+ // performance win.
+ m_utf8IsASCII = true;
+ for (unsigned i = 0; i < dataLength; i++) {
+ if (static_cast<unsigned char>(data[i]) >= 0x80) {
+ m_utf8IsASCII = false;
+ break;
+ }
+ }
+
+ m_utf8 = str;
+ m_stringIsValid = false;
+ initProtocolInHTTPFamily();
+}
+
+void KURLGooglePrivate::setAscii(const CString& str)
+{
+ m_utf8 = str;
+ m_utf8IsASCII = true;
+ m_stringIsValid = false;
+ initProtocolInHTTPFamily();
+}
+
+void KURLGooglePrivate::init(const KURL& base,
+ const String& relative,
+ const TextEncoding* queryEncoding)
+{
+ init(base, relative.characters(), relative.length(), queryEncoding);
+}
+
+// Note: code mostly duplicated below.
+void KURLGooglePrivate::init(const KURL& base, const char* rel, int relLength,
+ const TextEncoding* queryEncoding)
+{
+ // As a performance optimization, we do not use the charset converter if
+ // encoding is UTF-8 or other Unicode encodings. Note that this is
+ // per HTML5 2.5.3 (resolving URL). The URL canonicalizer will be
+ // more efficient with no charset converter object because it
+ // can do UTF-8 internally with no extra copies.
+
+ // We feel free to make the charset converter object every time since it's
+ // just a wrapper around a reference.
+ KURLCharsetConverter charsetConverterObject(queryEncoding);
+ KURLCharsetConverter* charsetConverter =
+ (!queryEncoding || isUnicodeEncoding(queryEncoding)) ? 0 :
+ &charsetConverterObject;
+
+ url_canon::RawCanonOutputT<char> output;
+ const CString& baseStr = base.m_url.utf8String();
+ m_isValid = url_util::ResolveRelative(baseStr.data(), baseStr.length(),
+ base.m_url.m_parsed, rel, relLength,
+ charsetConverter,
+ &output, &m_parsed);
+
+ // See FIXME in KURLGooglePrivate in the header. If canonicalization has not
+ // changed the string, we can avoid an extra allocation by using assignment.
+ //
+ // When KURL encounters an error such that the URL is invalid and empty
+ // (for example, resolving a relative URL on a non-hierarchical base), it
+ // will produce an isNull URL, and calling setUtf8 will produce an empty
+ // non-null URL. This is unlikely to affect anything, but we preserve this
+ // just in case.
+ if (m_isValid || output.length()) {
+ // Without ref, the whole url is guaranteed to be ASCII-only.
+ if (m_parsed.ref.is_nonempty())
+ setUtf8(CString(output.data(), output.length()));
+ else
+ setAscii(CString(output.data(), output.length()));
+ } else {
+ // WebCore expects resolved URLs to be empty rather than NULL.
+ setUtf8(CString("", 0));
+ }
+}
+
+// Note: code mostly duplicated above. See FIXMEs and comments there.
+void KURLGooglePrivate::init(const KURL& base, const UChar* rel, int relLength,
+ const TextEncoding* queryEncoding)
+{
+ KURLCharsetConverter charsetConverterObject(queryEncoding);
+ KURLCharsetConverter* charsetConverter =
+ (!queryEncoding || isUnicodeEncoding(queryEncoding)) ? 0 :
+ &charsetConverterObject;
+
+ url_canon::RawCanonOutputT<char> output;
+ const CString& baseStr = base.m_url.utf8String();
+ m_isValid = url_util::ResolveRelative(baseStr.data(), baseStr.length(),
+ base.m_url.m_parsed, rel, relLength,
+ charsetConverter,
+ &output, &m_parsed);
+
+
+ if (m_isValid || output.length()) {
+ if (m_parsed.ref.is_nonempty())
+ setUtf8(CString(output.data(), output.length()));
+ else
+ setAscii(CString(output.data(), output.length()));
+ } else
+ setUtf8(CString("", 0));
+}
+
+void KURLGooglePrivate::initProtocolInHTTPFamily()
+{
+ if (!m_isValid) {
+ m_protocolInHTTPFamily = false;
+ return;
+ }
+
+ const char* scheme = m_utf8.data() + m_parsed.scheme.begin;
+ if (m_parsed.scheme.len == 4)
+ m_protocolInHTTPFamily = lowerCaseEqualsASCII(scheme, scheme + 4, "http");
+ else if (m_parsed.scheme.len == 5)
+ m_protocolInHTTPFamily = lowerCaseEqualsASCII(scheme, scheme + 5, "https");
+ else
+ m_protocolInHTTPFamily = false;
+}
+
+void KURLGooglePrivate::copyTo(KURLGooglePrivate* dest) const
+{
+ dest->m_isValid = m_isValid;
+ dest->m_protocolInHTTPFamily = m_protocolInHTTPFamily;
+ dest->m_parsed = m_parsed;
+
+ // Don't copy the 16-bit string since that will be regenerated as needed.
+ dest->m_utf8 = CString(m_utf8.data(), m_utf8.length());
+ dest->m_utf8IsASCII = m_utf8IsASCII;
+ dest->m_stringIsValid = false;
+}
+
+String KURLGooglePrivate::componentString(const url_parse::Component& comp) const
+{
+ if (!m_isValid || comp.len <= 0) {
+ // KURL returns a NULL string if the URL is itself a NULL string, and an
+ // empty string for other nonexistant entities.
+ if (utf8String().isNull())
+ return String();
+ return String("", 0);
+ }
+ // begin and len are in terms of bytes which do not match
+ // if string() is UTF-16 and input contains non-ASCII characters.
+ // However, the only part in urlString that can contain non-ASCII
+ // characters is 'ref' at the end of the string. In that case,
+ // begin will always match the actual value and len (in terms of
+ // byte) will be longer than what's needed by 'mid'. However, mid
+ // truncates len to avoid go past the end of a string so that we can
+ // get away withtout doing anything here.
+ return string().substring(comp.begin, comp.len);
+}
+
+void KURLGooglePrivate::replaceComponents(const Replacements& replacements)
+{
+ url_canon::RawCanonOutputT<char> output;
+ url_parse::Parsed newParsed;
+
+ m_isValid = url_util::ReplaceComponents(utf8String().data(),
+ utf8String().length(), m_parsed, replacements, 0, &output, &newParsed);
+
+ m_parsed = newParsed;
+ if (m_parsed.ref.is_nonempty())
+ setUtf8(CString(output.data(), output.length()));
+ else
+ setAscii(CString(output.data(), output.length()));
+}
+
+const String& KURLGooglePrivate::string() const
+{
+ if (!m_stringIsValid) {
+ // Must special case the NULL case, since constructing the
+ // string like we do below will generate an empty rather than
+ // a NULL string.
+ if (m_utf8.isNull())
+ m_string = String();
+ else if (m_utf8IsASCII)
+ m_string = String(m_utf8.data(), m_utf8.length());
+ else
+ m_string = String::fromUTF8(m_utf8.data(), m_utf8.length());
+ m_stringIsValid = true;
+ }
+ return m_string;
+}
+
+// KURL ------------------------------------------------------------------------
+
+// Creates with NULL-terminated string input representing an absolute URL.
+// WebCore generally calls this only with hardcoded strings, so the input is
+// ASCII. We treat is as UTF-8 just in case.
+KURL::KURL(ParsedURLStringTag, const char *url)
+{
+ // FIXME The Mac code checks for beginning with a slash and converting to a
+ // file: URL. We will want to add this as well once we can compile on a
+ // system like that.
+ m_url.init(KURL(), url, strlen(url), 0);
+
+ // The one-argument constructors should never generate a NULL string.
+ // This is a funny quirk of KURL.cpp (probably a bug) which we preserve.
+ if (m_url.utf8String().isNull())
+ m_url.setAscii(CString("", 0));
+}
+
+// Initializes with a string representing an absolute URL. No encoding
+// information is specified. This generally happens when a KURL is converted
+// to a string and then converted back. In this case, the URL is already
+// canonical and in proper escaped form so needs no encoding. We treat it was
+// UTF-8 just in case.
+KURL::KURL(ParsedURLStringTag, const String& url)
+{
+ if (!url.isNull())
+ m_url.init(KURL(), url, 0);
+ else {
+ // WebCore expects us to preserve the nullness of strings when this
+ // constructor is used. In all other cases, it expects a non-null
+ // empty string, which is what init() will create.
+ m_url.m_isValid = false;
+ m_url.m_protocolInHTTPFamily = false;
+ }
+}
+
+// Constructs a new URL given a base URL and a possibly relative input URL.
+// This assumes UTF-8 encoding.
+KURL::KURL(const KURL& base, const String& relative)
+{
+ m_url.init(base, relative, 0);
+}
+
+// Constructs a new URL given a base URL and a possibly relative input URL.
+// Any query portion of the relative URL will be encoded in the given encoding.
+KURL::KURL(const KURL& base,
+ const String& relative,
+ const TextEncoding& encoding)
+{
+ m_url.init(base, relative, &encoding.encodingForFormSubmission());
+}
+
+KURL::KURL(const CString& canonicalSpec,
+ const url_parse::Parsed& parsed, bool isValid)
+ : m_url(parsed, isValid)
+{
+ // We know the reference fragment is the only part that can be UTF-8, so
+ // we know it's ASCII when there is no ref.
+ if (parsed.ref.is_nonempty())
+ m_url.setUtf8(canonicalSpec);
+ else
+ m_url.setAscii(canonicalSpec);
+}
+
+#if PLATFORM(CF)
+KURL::KURL(CFURLRef)
+{
+ notImplemented();
+ invalidate();
+}
+
+CFURLRef KURL::createCFURL() const
+{
+ notImplemented();
+ return 0;
+}
+#endif
+
+KURL KURL::copy() const
+{
+ KURL result = *this;
+ m_url.copyTo(&result.m_url);
+ return result;
+}
+
+bool KURL::isNull() const
+{
+ return m_url.utf8String().isNull();
+}
+
+bool KURL::isEmpty() const
+{
+ return !m_url.utf8String().length();
+}
+
+bool KURL::isValid() const
+{
+ return m_url.m_isValid;
+}
+
+bool KURL::hasPort() const
+{
+ return hostEnd() < pathStart();
+}
+
+bool KURL::protocolInHTTPFamily() const
+{
+ return m_url.m_protocolInHTTPFamily;
+}
+
+bool KURL::hasPath() const
+{
+ // Note that http://www.google.com/" has a path, the path is "/". This can
+ // return false only for invalid or nonstandard URLs.
+ return m_url.m_parsed.path.len >= 0;
+}
+
+// We handle "parameters" separated by a semicolon, while KURL.cpp does not,
+// which can lead to different results in some cases.
+String KURL::lastPathComponent() const
+{
+ // When the output ends in a slash, WebCore has different expectations than
+ // the GoogleURL library. For "/foo/bar/" the library will return the empty
+ // string, but WebCore wants "bar".
+ url_parse::Component path = m_url.m_parsed.path;
+ if (path.len > 0 && m_url.utf8String().data()[path.end() - 1] == '/')
+ path.len--;
+
+ url_parse::Component file;
+ url_parse::ExtractFileName(m_url.utf8String().data(), path, &file);
+
+ // Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
+ // a null string when the path is empty, which we duplicate here.
+ if (!file.is_nonempty())
+ return String();
+ return m_url.componentString(file);
+}
+
+String KURL::protocol() const
+{
+ return m_url.componentString(m_url.m_parsed.scheme);
+}
+
+String KURL::host() const
+{
+ // Note: KURL.cpp unescapes here.
+ return m_url.componentString(m_url.m_parsed.host);
+}
+
+// Returns 0 when there is no port.
+//
+// We treat URL's with out-of-range port numbers as invalid URLs, and they will
+// be rejected by the canonicalizer. KURL.cpp will allow them in parsing, but
+// return invalidPortNumber from this port() function, so we mirror that behavior here.
+unsigned short KURL::port() const
+{
+ if (!m_url.m_isValid || m_url.m_parsed.port.len <= 0)
+ return 0;
+ int port = url_parse::ParsePort(m_url.utf8String().data(), m_url.m_parsed.port);
+ ASSERT(port != url_parse::PORT_UNSPECIFIED); // Checked port.len <= 0 before.
+
+ if (port == url_parse::PORT_INVALID || port > maximumValidPortNumber) // Mimic KURL::port()
+ port = invalidPortNumber;
+
+ return static_cast<unsigned short>(port);
+}
+
+// Returns the empty string if there is no password.
+String KURL::pass() const
+{
+ // Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
+ // a null string when the password is empty, which we duplicate here.
+ if (!m_url.m_parsed.password.is_nonempty())
+ return String();
+
+ // Note: KURL.cpp unescapes here.
+ return m_url.componentString(m_url.m_parsed.password);
+}
+
+// Returns the empty string if there is no username.
+String KURL::user() const
+{
+ // Note: KURL.cpp unescapes here.
+ return m_url.componentString(m_url.m_parsed.username);
+}
+
+String KURL::fragmentIdentifier() const
+{
+ // Empty but present refs ("foo.com/bar#") should result in the empty
+ // string, which m_url.componentString will produce. Nonexistant refs should be
+ // the NULL string.
+ if (!m_url.m_parsed.ref.is_valid())
+ return String();
+
+ // Note: KURL.cpp unescapes here.
+ return m_url.componentString(m_url.m_parsed.ref);
+}
+
+bool KURL::hasFragmentIdentifier() const
+{
+ // Note: KURL.cpp unescapes here.
+ // FIXME determine if KURL.cpp agrees about an empty ref
+ return m_url.m_parsed.ref.len >= 0;
+}
+
+String KURL::baseAsString() const
+{
+ // FIXME: There is probably a more efficient way to do this?
+ return string().left(pathAfterLastSlash());
+}
+
+String KURL::query() const
+{
+ if (m_url.m_parsed.query.len >= 0)
+ return m_url.componentString(m_url.m_parsed.query);
+
+ // Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
+ // an empty string when the query is empty rather than a null (not sure
+ // which is right).
+ // Returns a null if the query is not specified, instead of empty.
+ if (m_url.m_parsed.query.is_valid())
+ return String("", 0);
+ return String();
+}
+
+String KURL::path() const
+{
+ // Note: KURL.cpp unescapes here.
+ return m_url.componentString(m_url.m_parsed.path);
+}
+
+bool KURL::setProtocol(const String& protocol)
+{
+ // Firefox and IE remove everything after the first ':'.
+ int separatorPosition = protocol.find(':');
+ String newProtocol = protocol.substring(0, separatorPosition);
+
+ // If KURL is given an invalid scheme, it returns failure without modifying
+ // the URL at all. This is in contrast to most other setters which modify
+ // the URL and set "m_isValid."
+ url_canon::RawCanonOutputT<char> canonProtocol;
+ url_parse::Component protocolComponent;
+ if (!url_canon::CanonicalizeScheme(newProtocol.characters(),
+ url_parse::Component(0, newProtocol.length()),
+ &canonProtocol, &protocolComponent)
+ || !protocolComponent.is_nonempty())
+ return false;
+
+ KURLGooglePrivate::Replacements replacements;
+ replacements.SetScheme(CharactersOrEmpty(newProtocol),
+ url_parse::Component(0, newProtocol.length()));
+ m_url.replaceComponents(replacements);
+
+ // isValid could be false but we still return true here. This is because
+ // WebCore or JS scripts can build up a URL by setting individual
+ // components, and a JS exception is based on the return value of this
+ // function. We want to throw the exception and stop the script only when
+ // its trying to set a bad protocol, and not when it maybe just hasn't
+ // finished building up its final scheme.
+ return true;
+}
+
+void KURL::setHost(const String& host)
+{
+ KURLGooglePrivate::Replacements replacements;
+ replacements.SetHost(CharactersOrEmpty(host),
+ url_parse::Component(0, host.length()));
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::setHostAndPort(const String& s)
+{
+ String host = s;
+ String port;
+ int hostEnd = s.find(":");
+ if (hostEnd != -1) {
+ host = s.left(hostEnd);
+ port = s.substring(hostEnd + 1);
+ }
+
+ KURLGooglePrivate::Replacements replacements;
+ // Host can't be removed, so we always set.
+ replacements.SetHost(CharactersOrEmpty(host),
+ url_parse::Component(0, host.length()));
+
+ if (port.isEmpty()) // Port may be removed, so we support clearing.
+ replacements.ClearPort();
+ else
+ replacements.SetPort(CharactersOrEmpty(port), url_parse::Component(0, port.length()));
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::removePort()
+{
+ if (hasPort()) {
+ String urlWithoutPort = m_url.string().left(hostEnd()) + m_url.string().substring(pathStart());
+ m_url.setUtf8(urlWithoutPort.utf8());
+ }
+}
+
+void KURL::setPort(unsigned short i)
+{
+ KURLGooglePrivate::Replacements replacements;
+ String portStr;
+ if (i) {
+ portStr = String::number(i);
+ replacements.SetPort(
+ reinterpret_cast<const url_parse::UTF16Char*>(portStr.characters()),
+ url_parse::Component(0, portStr.length()));
+
+ } else {
+ // Clear any existing port when it is set to 0.
+ replacements.ClearPort();
+ }
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::setUser(const String& user)
+{
+ // This function is commonly called to clear the username, which we
+ // normally don't have, so we optimize this case.
+ if (user.isEmpty() && !m_url.m_parsed.username.is_valid())
+ return;
+
+ // The canonicalizer will clear any usernames that are empty, so we
+ // don't have to explicitly call ClearUsername() here.
+ KURLGooglePrivate::Replacements replacements;
+ replacements.SetUsername(CharactersOrEmpty(user),
+ url_parse::Component(0, user.length()));
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::setPass(const String& pass)
+{
+ // This function is commonly called to clear the password, which we
+ // normally don't have, so we optimize this case.
+ if (pass.isEmpty() && !m_url.m_parsed.password.is_valid())
+ return;
+
+ // The canonicalizer will clear any passwords that are empty, so we
+ // don't have to explicitly call ClearUsername() here.
+ KURLGooglePrivate::Replacements replacements;
+ replacements.SetPassword(CharactersOrEmpty(pass),
+ url_parse::Component(0, pass.length()));
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::setFragmentIdentifier(const String& s)
+{
+ // This function is commonly called to clear the ref, which we
+ // normally don't have, so we optimize this case.
+ if (s.isNull() && !m_url.m_parsed.ref.is_valid())
+ return;
+
+ KURLGooglePrivate::Replacements replacements;
+ if (s.isNull())
+ replacements.ClearRef();
+ else
+ replacements.SetRef(CharactersOrEmpty(s), url_parse::Component(0, s.length()));
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::removeFragmentIdentifier()
+{
+ KURLGooglePrivate::Replacements replacements;
+ replacements.ClearRef();
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::setQuery(const String& query)
+{
+ KURLGooglePrivate::Replacements replacements;
+ if (query.isNull()) {
+ // KURL.cpp sets to NULL to clear any query.
+ replacements.ClearQuery();
+ } else if (query.length() > 0 && query[0] == '?') {
+ // WebCore expects the query string to begin with a question mark, but
+ // GoogleURL doesn't. So we trim off the question mark when setting.
+ replacements.SetQuery(CharactersOrEmpty(query),
+ url_parse::Component(1, query.length() - 1));
+ } else {
+ // When set with the empty string or something that doesn't begin with
+ // a question mark, KURL.cpp will add a question mark for you. The only
+ // way this isn't compatible is if you call this function with an empty
+ // string. KURL.cpp will leave a '?' with nothing following it in the
+ // URL, whereas we'll clear it.
+ // FIXME We should eliminate this difference.
+ replacements.SetQuery(CharactersOrEmpty(query),
+ url_parse::Component(0, query.length()));
+ }
+ m_url.replaceComponents(replacements);
+}
+
+void KURL::setPath(const String& path)
+{
+ // Empty paths will be canonicalized to "/", so we don't have to worry
+ // about calling ClearPath().
+ KURLGooglePrivate::Replacements replacements;
+ replacements.SetPath(CharactersOrEmpty(path),
+ url_parse::Component(0, path.length()));
+ m_url.replaceComponents(replacements);
+}
+
+// On Mac, this just seems to return the same URL, but with "/foo/bar" for
+// file: URLs instead of file:///foo/bar. We don't bother with any of this,
+// at least for now.
+String KURL::prettyURL() const
+{
+ if (!m_url.m_isValid)
+ return String();
+ return m_url.string();
+}
+
+bool protocolIsJavaScript(const String& url)
+{
+ return protocolIs(url, "javascript");
+}
+
+// We copied the KURL version here on Dec 4, 2009 while doing a WebKit
+// merge.
+//
+// FIXME Somehow share this with KURL? Like we'd theoretically merge with
+// decodeURLEscapeSequences below?
+bool isDefaultPortForProtocol(unsigned short port, const String& protocol)
+{
+ if (protocol.isEmpty())
+ return false;
+
+ typedef HashMap<String, unsigned, CaseFoldingHash> DefaultPortsMap;
+ DEFINE_STATIC_LOCAL(DefaultPortsMap, defaultPorts, ());
+ if (defaultPorts.isEmpty()) {
+ defaultPorts.set("http", 80);
+ defaultPorts.set("https", 443);
+ defaultPorts.set("ftp", 21);
+ defaultPorts.set("ftps", 990);
+ }
+ return defaultPorts.get(protocol) == port;
+}
+
+// We copied the KURL version here on Dec 4, 2009 while doing a WebKit
+// merge.
+//
+// FIXME Somehow share this with KURL? Like we'd theoretically merge with
+// decodeURLEscapeSequences below?
+bool portAllowed(const KURL& url)
+{
+ unsigned short port = url.port();
+
+ // Since most URLs don't have a port, return early for the "no port" case.
+ if (!port)
+ return true;
+
+ // This blocked port list matches the port blocking that Mozilla implements.
+ // See http://www.mozilla.org/projects/netlib/PortBanning.html for more information.
+ static const unsigned short blockedPortList[] = {
+ 1, // tcpmux
+ 7, // echo
+ 9, // discard
+ 11, // systat
+ 13, // daytime
+ 15, // netstat
+ 17, // qotd
+ 19, // chargen
+ 20, // FTP-data
+ 21, // FTP-control
+ 22, // SSH
+ 23, // telnet
+ 25, // SMTP
+ 37, // time
+ 42, // name
+ 43, // nicname
+ 53, // domain
+ 77, // priv-rjs
+ 79, // finger
+ 87, // ttylink
+ 95, // supdup
+ 101, // hostriame
+ 102, // iso-tsap
+ 103, // gppitnp
+ 104, // acr-nema
+ 109, // POP2
+ 110, // POP3
+ 111, // sunrpc
+ 113, // auth
+ 115, // SFTP
+ 117, // uucp-path
+ 119, // nntp
+ 123, // NTP
+ 135, // loc-srv / epmap
+ 139, // netbios
+ 143, // IMAP2
+ 179, // BGP
+ 389, // LDAP
+ 465, // SMTP+SSL
+ 512, // print / exec
+ 513, // login
+ 514, // shell
+ 515, // printer
+ 526, // tempo
+ 530, // courier
+ 531, // Chat
+ 532, // netnews
+ 540, // UUCP
+ 556, // remotefs
+ 563, // NNTP+SSL
+ 587, // ESMTP
+ 601, // syslog-conn
+ 636, // LDAP+SSL
+ 993, // IMAP+SSL
+ 995, // POP3+SSL
+ 2049, // NFS
+ 3659, // apple-sasl / PasswordServer [Apple addition]
+ 4045, // lockd
+ 6000, // X11
+ 6665, // Alternate IRC [Apple addition]
+ 6666, // Alternate IRC [Apple addition]
+ 6667, // Standard IRC [Apple addition]
+ 6668, // Alternate IRC [Apple addition]
+ 6669, // Alternate IRC [Apple addition]
+ invalidPortNumber, // Used to block all invalid port numbers
+ };
+ const unsigned short* const blockedPortListEnd = blockedPortList + sizeof(blockedPortList) / sizeof(blockedPortList[0]);
+
+#ifndef NDEBUG
+ // The port list must be sorted for binary_search to work.
+ static bool checkedPortList = false;
+ if (!checkedPortList) {
+ for (const unsigned short* p = blockedPortList; p != blockedPortListEnd - 1; ++p)
+ ASSERT(*p < *(p + 1));
+ checkedPortList = true;
+ }
+#endif
+
+ // If the port is not in the blocked port list, allow it.
+ if (!binary_search(blockedPortList, blockedPortListEnd, port))
+ return true;
+
+ // Allow ports 21 and 22 for FTP URLs, as Mozilla does.
+ if ((port == 21 || port == 22) && url.protocolIs("ftp"))
+ return true;
+
+ // Allow any port number in a file URL, since the port number is ignored.
+ if (url.protocolIs("file"))
+ return true;
+
+ return false;
+}
+
+// We copied the KURL version here on Sept 12, 2008 while doing a WebKit
+// merge.
+//
+// FIXME Somehow share this with KURL? Like we'd theoretically merge with
+// decodeURLEscapeSequences below?
+String mimeTypeFromDataURL(const String& url)
+{
+ ASSERT(protocolIs(url, "data"));
+ int index = url.find(';');
+ if (index == -1)
+ index = url.find(',');
+ if (index != -1) {
+ int len = index - 5;
+ if (len > 0)
+ return url.substring(5, len);
+ return "text/plain"; // Data URLs with no MIME type are considered text/plain.
+ }
+ return "";
+}
+
+String decodeURLEscapeSequences(const String& str)
+{
+ return decodeURLEscapeSequences(str, UTF8Encoding());
+}
+
+// In KURL.cpp's implementation, this is called by every component getter.
+// It will unescape every character, including NULL. This is scary, and may
+// cause security holes. We never call this function for components, and
+// just return the ASCII versions instead.
+//
+// This function is also used to decode javascript: URLs and as a general
+// purpose unescaping function.
+//
+// FIXME These should be merged to the KURL.cpp implementation.
+String decodeURLEscapeSequences(const String& str, const TextEncoding& encoding)
+{
+ // FIXME We can probably use KURL.cpp's version of this function
+ // without modification. However, I'm concerned about
+ // https://bugs.webkit.org/show_bug.cgi?id=20559 so am keeping this old
+ // custom code for now. Using their version will also fix the bug that
+ // we ignore the encoding.
+ //
+ // FIXME b/1350291: This does not get called very often. We just convert
+ // first to 8-bit UTF-8, then unescape, then back to 16-bit. This kind of
+ // sucks, and we don't use the encoding properly, which will make some
+ // obscure anchor navigations fail.
+ CString cstr = str.utf8();
+
+ const char* input = cstr.data();
+ int inputLength = cstr.length();
+
+ url_canon::RawCanonOutputT<url_parse::UTF16Char> unescaped;
+
+ url_util::DecodeURLEscapeSequences(input, inputLength, &unescaped);
+
+ return String(reinterpret_cast<UChar*>(unescaped.data()),
+ unescaped.length());
+}
+
+bool KURL::protocolIs(const char* protocol) const
+{
+ assertProtocolIsGood(protocol);
+
+ // JavaScript URLs are "valid" and should be executed even if KURL decides they are invalid.
+ // The free function protocolIsJavaScript() should be used instead.
+ // FIXME: Chromium code needs to be fixed for this assert to be enabled. ASSERT(strcmp(protocol, "javascript"));
+
+ if (m_url.m_parsed.scheme.len <= 0)
+ return !protocol;
+ return lowerCaseEqualsASCII(
+ m_url.utf8String().data() + m_url.m_parsed.scheme.begin,
+ m_url.utf8String().data() + m_url.m_parsed.scheme.end(),
+ protocol);
+}
+
+bool KURL::isLocalFile() const
+{
+ return protocolIs("file");
+}
+
+// This is called to escape a URL string. It is only used externally when
+// constructing mailto: links to set the query section. Since our query setter
+// will automatically do the correct escaping, this function does not have to
+// do any work.
+//
+// There is a possibility that a future called may use this function in other
+// ways, and may expect to get a valid URL string. The dangerous thing we want
+// to protect against here is accidentally getting NULLs in a string that is
+// not supposed to have NULLs. Therefore, we escape NULLs here to prevent this.
+String encodeWithURLEscapeSequences(const String& notEncodedString)
+{
+ CString utf8 = UTF8Encoding().encode(
+ reinterpret_cast<const UChar*>(notEncodedString.characters()),
+ notEncodedString.length(),
+ URLEncodedEntitiesForUnencodables);
+ const char* input = utf8.data();
+ int inputLength = utf8.length();
+
+ Vector<char, 2048> buffer;
+ for (int i = 0; i < inputLength; i++) {
+ if (!input[i])
+ buffer.append("%00", 3);
+ else
+ buffer.append(input[i]);
+ }
+ return String(buffer.data(), buffer.size());
+}
+
+bool KURL::isHierarchical() const
+{
+ if (!m_url.m_parsed.scheme.is_nonempty())
+ return false;
+ return url_util::IsStandard(
+ &m_url.utf8String().data()[m_url.m_parsed.scheme.begin],
+ m_url.m_parsed.scheme);
+}
+
+#ifndef NDEBUG
+void KURL::print() const
+{
+ printf("%s\n", m_url.utf8String().data());
+}
+#endif
+
+void KURL::invalidate()
+{
+ // This is only called from the constructor so resetting the (automatically
+ // initialized) string and parsed structure would be a waste of time.
+ m_url.m_isValid = false;
+ m_url.m_protocolInHTTPFamily = false;
+}
+
+// Equal up to reference fragments, if any.
+bool equalIgnoringFragmentIdentifier(const KURL& a, const KURL& b)
+{
+ // Compute the length of each URL without its ref. Note that the reference
+ // begin (if it exists) points to the character *after* the '#', so we need
+ // to subtract one.
+ int aLength = a.m_url.utf8String().length();
+ if (a.m_url.m_parsed.ref.len >= 0)
+ aLength = a.m_url.m_parsed.ref.begin - 1;
+
+ int bLength = b.m_url.utf8String().length();
+ if (b.m_url.m_parsed.ref.len >= 0)
+ bLength = b.m_url.m_parsed.ref.begin - 1;
+
+ return aLength == bLength
+ && !strncmp(a.m_url.utf8String().data(), b.m_url.utf8String().data(), aLength);
+}
+
+unsigned KURL::hostStart() const
+{
+ return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::HOST, false);
+}
+
+unsigned KURL::hostEnd() const
+{
+ return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::PORT, true);
+}
+
+unsigned KURL::pathStart() const
+{
+ return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::PATH, false);
+}
+
+unsigned KURL::pathEnd() const
+{
+ return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::QUERY, true);
+}
+
+unsigned KURL::pathAfterLastSlash() const
+{
+ // When there's no path, ask for what would be the beginning of it.
+ if (!m_url.m_parsed.path.is_valid())
+ return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::PATH, false);
+
+ url_parse::Component filename;
+ url_parse::ExtractFileName(m_url.utf8String().data(), m_url.m_parsed.path,
+ &filename);
+ return filename.begin;
+}
+
+const KURL& blankURL()
+{
+ static KURL staticBlankURL(ParsedURLString, "about:blank");
+ return staticBlankURL;
+}
+
+bool protocolIs(const String& url, const char* protocol)
+{
+ // Do the comparison without making a new string object.
+ assertProtocolIsGood(protocol);
+
+ // Check the scheme like GURL does.
+ return url_util::FindAndCompareScheme(url.characters(), url.length(),
+ protocol, NULL);
+}
+
+inline bool KURL::protocolIs(const String& string, const char* protocol)
+{
+ return WebCore::protocolIs(string, protocol);
+}
+
+bool protocolHostAndPortAreEqual(const KURL& a, const KURL& b)
+{
+ if (a.parsed().scheme.end() != b.parsed().scheme.end())
+ return false;
+
+ int hostStartA = a.hostStart();
+ int hostLengthA = a.hostEnd() - hostStartA;
+ int hostStartB = b.hostStart();
+ int hostLengthB = b.hostEnd() - b.hostStart();
+ if (hostLengthA != hostLengthB)
+ return false;
+
+ // Check the scheme
+ for (int i = 0; i < a.parsed().scheme.end(); ++i)
+ if (a.string()[i] != b.string()[i])
+ return false;
+
+ // And the host
+ for (int i = 0; i < hostLengthA; ++i)
+ if (a.string()[hostStartA + i] != b.string()[hostStartB + i])
+ return false;
+
+ if (a.port() != b.port())
+ return false;
+
+ return true;
+}
+
+} // namespace WebCore
+
+#endif // USE(GOOGLEURL)