зеркало из https://github.com/mozilla/gecko-dev.git
515 строки
16 KiB
C++
515 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is the Mozilla browser.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications, Inc. Portions created by Netscape are
|
|
* Copyright (C) 1999, Mozilla. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Adam Lock <adamlock@netscape.com>
|
|
*/
|
|
|
|
#include "nsString.h"
|
|
#include "nsReadableUtils.h"
|
|
#include "nsNetUtil.h"
|
|
#include "nsEscape.h"
|
|
|
|
#include "nsIPlatformCharset.h"
|
|
#include "nsILocalFile.h"
|
|
|
|
#include "nsIURIFixup.h"
|
|
#include "nsDefaultURIFixup.h"
|
|
|
|
/* Implementation file */
|
|
NS_IMPL_ISUPPORTS1(nsDefaultURIFixup, nsIURIFixup)
|
|
|
|
nsDefaultURIFixup::nsDefaultURIFixup()
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
/* member initializers and constructor code */
|
|
}
|
|
|
|
|
|
nsDefaultURIFixup::~nsDefaultURIFixup()
|
|
{
|
|
/* destructor code */
|
|
}
|
|
|
|
|
|
/* nsIURI createFixupURI (in wstring aURIText, in unsigned long aFixupFlags); */
|
|
NS_IMETHODIMP
|
|
nsDefaultURIFixup::CreateFixupURI(const nsAString& aStringURI, PRUint32 aFixupFlags, nsIURI **aURI)
|
|
{
|
|
NS_ENSURE_ARG(!aStringURI.IsEmpty());
|
|
NS_ENSURE_ARG_POINTER(aURI);
|
|
|
|
nsresult rv;
|
|
*aURI = nsnull;
|
|
|
|
// Try and get the prefs service
|
|
if (!mPrefs)
|
|
{
|
|
mPrefs = do_GetService(NS_PREF_CONTRACTID);
|
|
}
|
|
|
|
nsAutoString uriString(aStringURI);
|
|
uriString.Trim(" "); // Cleanup the empty spaces that might be on each end.
|
|
|
|
// Eliminate embedded newlines, which single-line text fields now allow:
|
|
uriString.StripChars("\r\n");
|
|
|
|
// View-source is a pseudo scheme. We're interested in fixing up the stuff
|
|
// after it. The easiest way to do that is to call this method again with the
|
|
// "view-source:" lopped off and then prepend it again afterwards.
|
|
|
|
if (uriString.EqualsIgnoreCase("view-source:", 12))
|
|
{
|
|
nsCOMPtr<nsIURI> uri;
|
|
PRUint32 newFixupFlags = aFixupFlags & ~FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP;
|
|
|
|
rv = CreateFixupURI(Substring(uriString, 12, uriString.Length() - 12),
|
|
newFixupFlags, getter_AddRefs(uri));
|
|
if (NS_FAILED(rv))
|
|
return NS_ERROR_FAILURE;
|
|
nsCAutoString spec;
|
|
uri->GetSpec(spec);
|
|
uriString.Assign(NS_LITERAL_STRING("view-source:") + NS_ConvertUTF8toUCS2(spec));
|
|
}
|
|
else {
|
|
// Check for if it is a file URL
|
|
FileURIFixup(uriString.get(), aURI);
|
|
if(*aURI)
|
|
return NS_OK;
|
|
|
|
#ifdef XP_PC
|
|
// Not a file URL, so translate '\' to '/' for convenience in the common protocols
|
|
if (uriString.FindChar(':') == -1 ||
|
|
uriString.EqualsIgnoreCase("http:", 5) ||
|
|
uriString.EqualsIgnoreCase("https:", 6) ||
|
|
uriString.EqualsIgnoreCase("ftp:", 4))
|
|
{
|
|
uriString.ReplaceChar(PRUnichar('\\'), PRUnichar('/'));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// For these protocols, use system charset instead of the default UTF-8,
|
|
// if the URI is non ASCII.
|
|
PRBool bAsciiURI = IsASCII(uriString);
|
|
PRBool bUseNonDefaultCharsetForURI =
|
|
!bAsciiURI &&
|
|
(uriString.FindChar(':') == kNotFound ||
|
|
uriString.EqualsIgnoreCase("http:", 5) ||
|
|
uriString.EqualsIgnoreCase("https:", 6) ||
|
|
uriString.EqualsIgnoreCase("ftp:", 4) ||
|
|
uriString.EqualsIgnoreCase("file:", 5));
|
|
|
|
// Just try to create an URL out of it
|
|
rv = NS_NewURI(aURI, uriString, bUseNonDefaultCharsetForURI ? GetCharsetForUrlBar() : nsnull);
|
|
if (rv == NS_ERROR_UNKNOWN_PROTOCOL)
|
|
{
|
|
return rv;
|
|
}
|
|
if (*aURI) {
|
|
if (aFixupFlags & FIXUP_FLAGS_MAKE_ALTERNATE_URI)
|
|
MakeAlternateURI(*aURI);
|
|
return NS_OK;
|
|
}
|
|
|
|
// See if it is a keyword
|
|
// Test whether keywords need to be fixed up
|
|
if (aFixupFlags & FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP) {
|
|
PRBool fixupKeywords = PR_FALSE;
|
|
if (mPrefs)
|
|
{
|
|
NS_ENSURE_SUCCESS(mPrefs->GetBoolPref("keyword.enabled", &fixupKeywords), NS_ERROR_FAILURE);
|
|
}
|
|
if (fixupKeywords)
|
|
{
|
|
KeywordURIFixup(uriString.get(), aURI);
|
|
if(*aURI)
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// Prune duff protocol schemes
|
|
//
|
|
// ://totallybroken.url.com
|
|
// //shorthand.url.com
|
|
//
|
|
if (uriString.EqualsIgnoreCase("://", 3))
|
|
{
|
|
nsAutoString newUriString;
|
|
uriString.Mid(newUriString, 3, uriString.Length() - 3);
|
|
uriString = newUriString;
|
|
}
|
|
else if (uriString.EqualsIgnoreCase("//", 2))
|
|
{
|
|
nsAutoString newUriString;
|
|
uriString.Mid(newUriString, 2, uriString.Length() - 2);
|
|
uriString = newUriString;
|
|
}
|
|
|
|
// Add ftp:// or http:// to front of url if it has no spec
|
|
//
|
|
// Should fix:
|
|
//
|
|
// no-scheme.com
|
|
// ftp.no-scheme.com
|
|
// ftp4.no-scheme,com
|
|
// no-scheme.com/query?foo=http://www.foo.com
|
|
//
|
|
PRInt32 schemeDelim = uriString.Find("://",0);
|
|
PRInt32 firstDelim = uriString.FindCharInSet("/:");
|
|
if (schemeDelim <= 0 ||
|
|
(firstDelim != -1 && schemeDelim > firstDelim)) {
|
|
// find host name
|
|
PRInt32 hostPos = uriString.FindCharInSet("/:?#");
|
|
if (hostPos == -1)
|
|
hostPos = uriString.Length();
|
|
|
|
// extract host name
|
|
nsAutoString hostSpec;
|
|
uriString.Left(hostSpec, hostPos);
|
|
|
|
// insert url spec corresponding to host name
|
|
if (hostSpec.EqualsIgnoreCase("ftp", 3))
|
|
uriString.Assign(NS_LITERAL_STRING("ftp://") + uriString);
|
|
else
|
|
uriString.Assign(NS_LITERAL_STRING("http://") + uriString);
|
|
|
|
// For ftp & http, we want to use system charset.
|
|
if (!bAsciiURI)
|
|
bUseNonDefaultCharsetForURI = PR_TRUE;
|
|
} // end if checkprotocol
|
|
|
|
rv = NS_NewURI(aURI, uriString, bUseNonDefaultCharsetForURI ? GetCharsetForUrlBar() : nsnull);
|
|
|
|
// Did the caller want us to try an alternative URI?
|
|
// If so, attempt to fixup http://foo into http://www.foo.com
|
|
|
|
if (aURI && aFixupFlags & FIXUP_FLAGS_MAKE_ALTERNATE_URI) {
|
|
MakeAlternateURI(*aURI);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
PRBool nsDefaultURIFixup::MakeAlternateURI(nsIURI *aURI)
|
|
{
|
|
PRBool makeAlternate = PR_TRUE;
|
|
if (!mPrefs)
|
|
{
|
|
return PR_FALSE;
|
|
}
|
|
mPrefs->GetBoolPref("browser.fixup.alternate.enabled", &makeAlternate);
|
|
if (!makeAlternate)
|
|
{
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// Code only works for http. Not for any other protocol including https!
|
|
PRBool isHttp = PR_FALSE;
|
|
aURI->SchemeIs("http", &isHttp);
|
|
if (!isHttp) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// Security - URLs with user / password info should NOT be fixed up
|
|
nsCAutoString userpass;
|
|
aURI->GetUserPass(userpass);
|
|
if (userpass.Length() > 0) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
nsCAutoString oldHost;
|
|
nsCAutoString newHost;
|
|
aURI->GetHost(oldHost);
|
|
|
|
// Count the dots
|
|
PRInt32 numDots = 0;
|
|
nsReadingIterator<char> iter;
|
|
nsReadingIterator<char> iterEnd;
|
|
oldHost.BeginReading(iter);
|
|
oldHost.EndReading(iterEnd);
|
|
while (iter != iterEnd) {
|
|
if (*iter == '.')
|
|
numDots++;
|
|
++iter;
|
|
}
|
|
|
|
|
|
nsresult rv;
|
|
|
|
// Get the prefix and suffix to stick onto the new hostname. By default these
|
|
// are www. & .com but they could be any other value, e.g. www. & .org
|
|
|
|
nsCAutoString prefix("www.");
|
|
nsXPIDLCString prefPrefix;
|
|
rv = mPrefs->GetCharPref("browser.fixup.alternate.prefix", getter_Copies(prefPrefix));
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
prefix.Assign(prefPrefix);
|
|
}
|
|
|
|
nsCAutoString suffix(".com");
|
|
nsXPIDLCString prefSuffix;
|
|
rv = mPrefs->GetCharPref("browser.fixup.alternate.suffix", getter_Copies(prefSuffix));
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
suffix.Assign(prefSuffix);
|
|
}
|
|
|
|
if (numDots == 0)
|
|
{
|
|
newHost.Assign(prefix);
|
|
newHost.Append(oldHost);
|
|
newHost.Append(suffix);
|
|
}
|
|
else if (numDots == 1)
|
|
{
|
|
if (prefix.Length() > 0 &&
|
|
oldHost.EqualsIgnoreCase(prefix.get(), prefix.Length())) {
|
|
newHost.Assign(oldHost);
|
|
newHost.Append(suffix);
|
|
}
|
|
else if (suffix.Length() > 0) {
|
|
newHost.Assign(prefix);
|
|
newHost.Append(oldHost);
|
|
}
|
|
else
|
|
{
|
|
// Do nothing
|
|
return PR_FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Do nothing
|
|
return PR_FALSE;
|
|
}
|
|
|
|
if (newHost.IsEmpty()) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// Assign the new host string over the old one
|
|
aURI->SetHost(newHost);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
nsresult nsDefaultURIFixup::FileURIFixup(const PRUnichar* aStringURI,
|
|
nsIURI** aURI)
|
|
{
|
|
nsAutoString uriSpecIn(aStringURI);
|
|
nsCAutoString uriSpecOut;
|
|
|
|
nsresult rv = ConvertFileToStringURI(uriSpecIn, uriSpecOut);
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
// if this is file url, uriSpecOut is already in FS charset
|
|
if(NS_SUCCEEDED(NS_NewURI(aURI, uriSpecOut.get(), nsnull)))
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult nsDefaultURIFixup::ConvertFileToStringURI(nsString& aIn,
|
|
nsCString& aOut)
|
|
{
|
|
PRBool attemptFixup = PR_FALSE;
|
|
|
|
#ifdef XP_PC
|
|
// Check for \ in the url-string or just a drive (PC)
|
|
if(kNotFound != aIn.FindChar(PRUnichar('\\')) || ((aIn.Length() == 2 ) && (aIn.Last() == PRUnichar(':') || aIn.Last() == PRUnichar('|'))))
|
|
{
|
|
attemptFixup = PR_TRUE;
|
|
}
|
|
#elif XP_UNIX
|
|
// Check if it starts with / or \ (UNIX)
|
|
const PRUnichar * up = aIn.get();
|
|
if((PRUnichar('/') == *up) || (PRUnichar('\\') == *up))
|
|
{
|
|
attemptFixup = PR_TRUE;
|
|
}
|
|
#else
|
|
// Do nothing (All others for now)
|
|
#endif
|
|
|
|
if (attemptFixup)
|
|
{
|
|
// Test if this is a valid path by trying to create a local file
|
|
// object. The URL of that is returned if successful.
|
|
|
|
// NOTE: Please be sure to check that the call to NS_NewLocalFile
|
|
// rejects bad file paths when using this code on a new
|
|
// platform.
|
|
|
|
nsCOMPtr<nsILocalFile> filePath;
|
|
nsresult rv;
|
|
|
|
// this is not the real fix but a temporary fix
|
|
// in order to really fix the problem, we need to change the
|
|
// nsICmdLineService interface to use wstring to pass paramenters
|
|
// instead of string since path name and other argument could be
|
|
// in non ascii.(see bug 87127) Since it is too risky to make interface change right
|
|
// now, we decide not to do so now.
|
|
// Therefore, the aIn we receive here maybe already in damage form
|
|
// (e.g. treat every bytes as ISO-8859-1 and cast up to PRUnichar
|
|
// while the real data could be in file system charset )
|
|
// we choice the following logic which will work for most of the case.
|
|
// Case will still failed only if it meet ALL the following condiction:
|
|
// 1. running on CJK, Russian, or Greek system, and
|
|
// 2. user type it from URL bar
|
|
// 3. the file name contains character in the range of
|
|
// U+00A1-U+00FF but encode as different code point in file
|
|
// system charset (e.g. ACP on window)- this is very rare case
|
|
// We should remove this logic and convert to File system charset here
|
|
// once we change nsICmdLineService to use wstring and ensure
|
|
// all the Unicode data come in is correctly converted.
|
|
if (PossiblyByteExpandedFileName(aIn)) {
|
|
// removes high byte
|
|
rv = NS_NewNativeLocalFile(NS_LossyConvertUCS2toASCII(aIn), PR_FALSE, getter_AddRefs(filePath));
|
|
}
|
|
else {
|
|
// input is unicode
|
|
rv = NS_NewLocalFile(aIn, PR_FALSE, getter_AddRefs(filePath));
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
NS_GetURLSpecFromFile(filePath, aOut);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
PRBool nsDefaultURIFixup::PossiblyByteExpandedFileName(nsString& aIn)
|
|
{
|
|
// XXXXX HACK XXXXX : please don't copy this code.
|
|
// There are cases where aIn contains the locale byte chars padded to short
|
|
// (thus the name "ByteExpanded"); whereas other cases
|
|
// have proper Unicode code points.
|
|
// This is a temporary fix. Please refer to 58866, 86948
|
|
const PRUnichar* uniChar = aIn.get();
|
|
for (PRUint32 i = 0; i < aIn.Length(); i++) {
|
|
if ((uniChar[i] >= 0x0080) && (uniChar[i] <= 0x00FF)) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
const char * nsDefaultURIFixup::GetFileSystemCharset()
|
|
{
|
|
if (mFsCharset.IsEmpty())
|
|
{
|
|
nsresult rv;
|
|
nsAutoString charset;
|
|
nsCOMPtr<nsIPlatformCharset> plat(do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv));
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = plat->GetCharset(kPlatformCharsetSel_FileName, charset);
|
|
|
|
if (charset.IsEmpty())
|
|
mFsCharset.Assign(NS_LITERAL_CSTRING("ISO-8859-1"));
|
|
else
|
|
mFsCharset.Assign(NS_LossyConvertUCS2toASCII(charset));
|
|
}
|
|
|
|
return mFsCharset.get();
|
|
}
|
|
|
|
const char * nsDefaultURIFixup::GetCharsetForUrlBar()
|
|
{
|
|
const char *charset = GetFileSystemCharset();
|
|
#ifdef XP_MAC
|
|
// check for "x-mac-" prefix
|
|
if ((strlen(charset) >= 6) && charset[0] == 'x' && charset[2] == 'm')
|
|
{
|
|
if (!strcmp("x-mac-roman", charset))
|
|
return "ISO-8859-1";
|
|
// we can do more x-mac-xxxx mapping here
|
|
// or somewhere in intl code like nsIPlatformCharset.
|
|
}
|
|
#endif
|
|
return charset;
|
|
}
|
|
|
|
nsresult nsDefaultURIFixup::KeywordURIFixup(const PRUnichar* aStringURI,
|
|
nsIURI** aURI)
|
|
{
|
|
// These are keyword formatted strings
|
|
// "what is mozilla"
|
|
// "what is mozilla?"
|
|
// "?mozilla"
|
|
// "?What is mozilla"
|
|
|
|
// These are not keyword formatted strings
|
|
// "www.blah.com" - anything with a dot in it
|
|
// "nonQualifiedHost:80" - anything with a colon in it
|
|
// "nonQualifiedHost?"
|
|
// "nonQualifiedHost?args"
|
|
// "nonQualifiedHost?some args"
|
|
|
|
nsAutoString uriString(aStringURI);
|
|
if(uriString.FindChar('.') == -1 && uriString.FindChar(':') == -1)
|
|
{
|
|
PRInt32 qMarkLoc = uriString.FindChar('?');
|
|
PRInt32 spaceLoc = uriString.FindChar(' ');
|
|
|
|
PRBool keyword = PR_FALSE;
|
|
if(qMarkLoc == 0)
|
|
keyword = PR_TRUE;
|
|
else if((spaceLoc > 0) && ((qMarkLoc == -1) || (spaceLoc < qMarkLoc)))
|
|
keyword = PR_TRUE;
|
|
|
|
if(keyword)
|
|
{
|
|
nsCAutoString keywordSpec("keyword:");
|
|
char *utf8Spec = ToNewUTF8String(uriString);
|
|
if(utf8Spec)
|
|
{
|
|
char* escapedUTF8Spec = nsEscape(utf8Spec, url_Path);
|
|
if(escapedUTF8Spec)
|
|
{
|
|
keywordSpec.Append(escapedUTF8Spec);
|
|
NS_NewURI(aURI, keywordSpec.get(), nsnull);
|
|
nsMemory::Free(escapedUTF8Spec);
|
|
} // escapedUTF8Spec
|
|
nsMemory::Free(utf8Spec);
|
|
} // utf8Spec
|
|
} // keyword
|
|
} // FindChar
|
|
|
|
if(*aURI)
|
|
return NS_OK;
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
|
|
nsresult NS_NewURIFixup(nsIURIFixup **aURIFixup)
|
|
{
|
|
nsDefaultURIFixup *fixup = new nsDefaultURIFixup;
|
|
if (fixup == nsnull)
|
|
{
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return fixup->QueryInterface(NS_GET_IID(nsIURIFixup), (void **) aURIFixup);
|
|
}
|
|
|