gecko-dev/extensions/cookie/nsUtils.cpp

331 lines
8.7 KiB
C++

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsUtils.h"
#include "xp_core.h"
#include "nsXPIDLString.h"
#include "nsIStringBundle.h"
#include "nsIPref.h"
#include "nsIFileSpec.h"
#include "nsAppDirectoryServiceDefs.h"
#include "prmem.h"
static NS_DEFINE_IID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
#define MAX_HOST_NAME_LEN 64
#define BUFSIZE 128
#define LOCALIZATION "chrome://communicator/locale/wallet/cookie.properties"
nsresult
ckutil_getChar(nsInputFileStream& strm, char& c) {
static char buffer[BUFSIZE];
static PRInt32 next = BUFSIZE, count = BUFSIZE;
if (next == count) {
if (BUFSIZE > count) { // never say "count < ..." vc6.0 thinks this is a template beginning and crashes
next = BUFSIZE;
count = BUFSIZE;
return NS_ERROR_FAILURE;
}
count = strm.read(buffer, BUFSIZE);
next = 0;
if (count == 0) {
next = BUFSIZE;
count = BUFSIZE;
return NS_ERROR_FAILURE;
}
}
c = buffer[next++];
return NS_OK;
}
/*
* get a line from a file
* return -1 if end of file reached
* strip carriage returns and line feeds from end of line
*/
PUBLIC PRInt32
CKutil_GetLine(nsInputFileStream& strm, nsString& aLine) {
/* read the line */
aLine.Truncate();
char c;
for (;;) {
if NS_FAILED(ckutil_getChar(strm, c)) {
return -1;
}
if (c == '\n') {
break;
}
if (c != '\r') {
aLine.AppendWithConversion(c);
}
}
return 0;
}
PUBLIC char *
CKutil_ParseURL (const char *url, int parts_requested) {
char *rv=0,*colon, *slash, *ques_mark, *hash_mark;
char *atSign, *host, *passwordColon, *gtThan;
assert(url);
if(!url) {
return(CKutil_StrAllocCat(rv, ""));
}
colon = PL_strchr(url, ':'); /* returns a const char */
/* Get the protocol part, not including anything beyond the colon */
if (parts_requested & GET_PROTOCOL_PART) {
if(colon) {
char val = *(colon+1);
*(colon+1) = '\0';
CKutil_StrAllocCopy(rv, url);
*(colon+1) = val;
/* If the user wants more url info, tack on extra slashes. */
if( (parts_requested & GET_HOST_PART)
|| (parts_requested & GET_USERNAME_PART)
|| (parts_requested & GET_PASSWORD_PART)) {
if( *(colon+1) == '/' && *(colon+2) == '/') {
CKutil_StrAllocCat(rv, "//");
}
/* If there's a third slash consider it file:/// and tack on the last slash. */
if( *(colon+3) == '/' ) {
CKutil_StrAllocCat(rv, "/");
}
}
}
}
/* Get the username if one exists */
if (parts_requested & GET_USERNAME_PART) {
if (colon && (*(colon+1) == '/') && (*(colon+2) == '/') && (*(colon+3) != '\0')) {
if ( (slash = PL_strchr(colon+3, '/')) != NULL) {
*slash = '\0';
}
if ( (atSign = PL_strchr(colon+3, '@')) != NULL) {
*atSign = '\0';
if ( (passwordColon = PL_strchr(colon+3, ':')) != NULL) {
*passwordColon = '\0';
}
CKutil_StrAllocCat(rv, colon+3);
/* Get the password if one exists */
if (parts_requested & GET_PASSWORD_PART) {
if (passwordColon) {
CKutil_StrAllocCat(rv, ":");
CKutil_StrAllocCat(rv, passwordColon+1);
}
}
if (parts_requested & GET_HOST_PART) {
CKutil_StrAllocCat(rv, "@");
}
if (passwordColon) {
*passwordColon = ':';
}
*atSign = '@';
}
if (slash) {
*slash = '/';
}
}
}
/* Get the host part */
if (parts_requested & GET_HOST_PART) {
if(colon) {
if(*(colon+1) == '/' && *(colon+2) == '/') {
slash = PL_strchr(colon+3, '/');
if(slash) {
*slash = '\0';
}
if( (atSign = PL_strchr(colon+3, '@')) != NULL) {
host = atSign+1;
} else {
host = colon+3;
}
ques_mark = PL_strchr(host, '?');
if(ques_mark) {
*ques_mark = '\0';
}
gtThan = PL_strchr(host, '>');
if (gtThan) {
*gtThan = '\0';
}
/* limit hostnames to within MAX_HOST_NAME_LEN characters to keep from crashing */
if(PL_strlen(host) > MAX_HOST_NAME_LEN) {
char * cp;
char old_char;
cp = host+MAX_HOST_NAME_LEN;
old_char = *cp;
*cp = '\0';
CKutil_StrAllocCat(rv, host);
*cp = old_char;
} else {
CKutil_StrAllocCat(rv, host);
}
if(slash) {
*slash = '/';
}
if(ques_mark) {
*ques_mark = '?';
}
if (gtThan) {
*gtThan = '>';
}
}
}
}
/* Get the path part */
if (parts_requested & GET_PATH_PART) {
if(colon) {
if(*(colon+1) == '/' && *(colon+2) == '/') {
/* skip host part */
slash = PL_strchr(colon+3, '/');
} else {
/* path is right after the colon */
slash = colon+1;
}
if(slash) {
ques_mark = PL_strchr(slash, '?');
hash_mark = PL_strchr(slash, '#');
if(ques_mark) {
*ques_mark = '\0';
}
if(hash_mark) {
*hash_mark = '\0';
}
CKutil_StrAllocCat(rv, slash);
if(ques_mark) {
*ques_mark = '?';
}
if(hash_mark) {
*hash_mark = '#';
}
}
}
}
if(parts_requested & GET_HASH_PART) {
hash_mark = PL_strchr(url, '#'); /* returns a const char * */
if(hash_mark) {
ques_mark = PL_strchr(hash_mark, '?');
if(ques_mark) {
*ques_mark = '\0';
}
CKutil_StrAllocCat(rv, hash_mark);
if(ques_mark) {
*ques_mark = '?';
}
}
}
if(parts_requested & GET_SEARCH_PART) {
ques_mark = PL_strchr(url, '?'); /* returns a const char * */
if(ques_mark) {
hash_mark = PL_strchr(ques_mark, '#');
if(hash_mark) {
*hash_mark = '\0';
}
CKutil_StrAllocCat(rv, ques_mark);
if(hash_mark) {
*hash_mark = '#';
}
}
}
/* copy in a null string if nothing was copied in */
if(!rv) {
CKutil_StrAllocCopy(rv, "");
}
return rv;
}
PRUnichar *
CKutil_Localize(const PRUnichar *genericString) {
nsresult ret;
PRUnichar *ptrv = nsnull;
NS_WITH_SERVICE(nsIStringBundleService, pStringService, kStringBundleServiceCID, &ret);
if (NS_SUCCEEDED(ret) && (nsnull != pStringService)) {
nsCOMPtr<nsIStringBundle> bundle;
ret = pStringService->CreateBundle(LOCALIZATION, getter_AddRefs(bundle));
if (NS_SUCCEEDED(ret) && bundle) {
ret = bundle->GetStringFromName(genericString, &ptrv);
if ( NS_SUCCEEDED(ret) && (ptrv) ) {
return ptrv;
}
}
}
return nsCRT::strdup(genericString);
}
PUBLIC nsresult
CKutil_ProfileDirectory(nsFileSpec& dirSpec) {
nsresult res;
nsCOMPtr<nsIFile> aFile;
nsCOMPtr<nsIFileSpec> tempSpec;
res = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(aFile));
if (NS_FAILED(res)) return res;
// TODO: When the calling code can take an nsIFile,
// this conversion to nsFileSpec can be avoided.
nsXPIDLCString pathBuf;
aFile->GetPath(getter_Copies(pathBuf));
res = NS_NewFileSpec(getter_AddRefs(tempSpec));
if (NS_FAILED(res)) return res;
res = tempSpec->SetNativePath(pathBuf);
if (NS_FAILED(res)) return res;
res = tempSpec->GetFileSpec(&dirSpec);
return res;
}
PUBLIC char *
CKutil_StrAllocCopy(char *&destination, const char *source) {
if(destination) {
PL_strfree(destination);
destination = 0;
}
destination = PL_strdup(source);
return destination;
}
PUBLIC char *
CKutil_StrAllocCat(char *&destination, const char *source) {
if (source && *source) {
if (destination) {
int length = PL_strlen (destination);
destination = (char *) PR_Realloc(destination, length + PL_strlen(source) + 1);
if (destination == NULL) {
return(NULL);
}
PL_strcpy (destination + length, source);
} else {
destination = PL_strdup(source);
}
}
return destination;
}