mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
519 lines
14 KiB
C++
519 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdlib.h>
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#include "nsHttp.h"
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#include "nsHttpAuthCache.h"
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#include "nsString.h"
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#include "nsCRT.h"
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#include "prprf.h"
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static inline void
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GetAuthKey(const char *scheme, const char *host, PRInt32 port, nsCString &key)
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{
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key.Assign(scheme);
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key.AppendLiteral("://");
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key.Append(host);
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key.Append(':');
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key.AppendInt(port);
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}
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// return true if the two strings are equal or both empty. an empty string
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// is either null or zero length.
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static bool
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StrEquivalent(const PRUnichar *a, const PRUnichar *b)
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{
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static const PRUnichar emptyStr[] = {0};
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if (!a)
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a = emptyStr;
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if (!b)
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b = emptyStr;
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return nsCRT::strcmp(a, b) == 0;
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}
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//-----------------------------------------------------------------------------
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// nsHttpAuthCache <public>
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//-----------------------------------------------------------------------------
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nsHttpAuthCache::nsHttpAuthCache()
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: mDB(nsnull)
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{
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}
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nsHttpAuthCache::~nsHttpAuthCache()
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{
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if (mDB)
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ClearAll();
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}
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nsresult
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nsHttpAuthCache::Init()
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{
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NS_ENSURE_TRUE(!mDB, NS_ERROR_ALREADY_INITIALIZED);
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LOG(("nsHttpAuthCache::Init\n"));
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mDB = PL_NewHashTable(128, (PLHashFunction) PL_HashString,
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(PLHashComparator) PL_CompareStrings,
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(PLHashComparator) 0, &gHashAllocOps, this);
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if (!mDB)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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nsresult
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nsHttpAuthCache::GetAuthEntryForPath(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *path,
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nsHttpAuthEntry **entry)
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{
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LOG(("nsHttpAuthCache::GetAuthEntryForPath [key=%s://%s:%d path=%s]\n",
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scheme, host, port, path));
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nsCAutoString key;
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nsHttpAuthNode *node = LookupAuthNode(scheme, host, port, key);
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if (!node)
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return NS_ERROR_NOT_AVAILABLE;
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*entry = node->LookupEntryByPath(path);
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return *entry ? NS_OK : NS_ERROR_NOT_AVAILABLE;
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}
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nsresult
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nsHttpAuthCache::GetAuthEntryForDomain(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *realm,
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nsHttpAuthEntry **entry)
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{
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LOG(("nsHttpAuthCache::GetAuthEntryForDomain [key=%s://%s:%d realm=%s]\n",
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scheme, host, port, realm));
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nsCAutoString key;
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nsHttpAuthNode *node = LookupAuthNode(scheme, host, port, key);
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if (!node)
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return NS_ERROR_NOT_AVAILABLE;
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*entry = node->LookupEntryByRealm(realm);
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return *entry ? NS_OK : NS_ERROR_NOT_AVAILABLE;
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}
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nsresult
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nsHttpAuthCache::SetAuthEntry(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *path,
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const char *realm,
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const char *creds,
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const char *challenge,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata)
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{
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nsresult rv;
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LOG(("nsHttpAuthCache::SetAuthEntry [key=%s://%s:%d realm=%s path=%s metadata=%x]\n",
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scheme, host, port, realm, path, metadata));
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if (!mDB) {
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rv = Init();
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if (NS_FAILED(rv)) return rv;
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}
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nsCAutoString key;
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nsHttpAuthNode *node = LookupAuthNode(scheme, host, port, key);
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if (!node) {
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// create a new entry node and set the given entry
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node = new nsHttpAuthNode();
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if (!node)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = node->SetAuthEntry(path, realm, creds, challenge, ident, metadata);
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if (NS_FAILED(rv))
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delete node;
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else
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PL_HashTableAdd(mDB, nsCRT::strdup(key.get()), node);
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return rv;
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}
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return node->SetAuthEntry(path, realm, creds, challenge, ident, metadata);
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}
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void
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nsHttpAuthCache::ClearAuthEntry(const char *scheme,
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const char *host,
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PRInt32 port,
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const char *realm)
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{
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if (!mDB)
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return;
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nsCAutoString key;
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GetAuthKey(scheme, host, port, key);
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PL_HashTableRemove(mDB, key.get());
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}
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nsresult
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nsHttpAuthCache::ClearAll()
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{
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LOG(("nsHttpAuthCache::ClearAll\n"));
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if (mDB) {
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PL_HashTableDestroy(mDB);
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mDB = 0;
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}
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsHttpAuthCache <private>
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//-----------------------------------------------------------------------------
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nsHttpAuthNode *
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nsHttpAuthCache::LookupAuthNode(const char *scheme,
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const char *host,
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PRInt32 port,
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nsCString &key)
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{
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if (!mDB)
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return nsnull;
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GetAuthKey(scheme, host, port, key);
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return (nsHttpAuthNode *) PL_HashTableLookup(mDB, key.get());
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}
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void *
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nsHttpAuthCache::AllocTable(void *self, PRSize size)
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{
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return malloc(size);
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}
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void
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nsHttpAuthCache::FreeTable(void *self, void *item)
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{
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free(item);
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}
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PLHashEntry *
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nsHttpAuthCache::AllocEntry(void *self, const void *key)
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{
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return (PLHashEntry *) malloc(sizeof(PLHashEntry));
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}
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void
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nsHttpAuthCache::FreeEntry(void *self, PLHashEntry *he, PRUintn flag)
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{
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if (flag == HT_FREE_VALUE) {
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// this would only happen if PL_HashTableAdd were to replace an
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// existing entry in the hash table, but we _always_ do a lookup
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// before adding a new entry to avoid this case.
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NS_NOTREACHED("should never happen");
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}
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else if (flag == HT_FREE_ENTRY) {
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// three wonderful flavors of freeing memory ;-)
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delete (nsHttpAuthNode *) he->value;
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nsCRT::free((char *) he->key);
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free(he);
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}
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}
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PLHashAllocOps nsHttpAuthCache::gHashAllocOps =
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{
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nsHttpAuthCache::AllocTable,
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nsHttpAuthCache::FreeTable,
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nsHttpAuthCache::AllocEntry,
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nsHttpAuthCache::FreeEntry
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};
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//-----------------------------------------------------------------------------
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// nsHttpAuthIdentity
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//-----------------------------------------------------------------------------
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nsresult
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nsHttpAuthIdentity::Set(const PRUnichar *domain,
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const PRUnichar *user,
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const PRUnichar *pass)
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{
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PRUnichar *newUser, *newPass, *newDomain;
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int domainLen = domain ? NS_strlen(domain) : 0;
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int userLen = user ? NS_strlen(user) : 0;
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int passLen = pass ? NS_strlen(pass) : 0;
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int len = userLen + 1 + passLen + 1 + domainLen + 1;
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newUser = (PRUnichar *) malloc(len * sizeof(PRUnichar));
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if (!newUser)
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return NS_ERROR_OUT_OF_MEMORY;
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if (user)
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memcpy(newUser, user, userLen * sizeof(PRUnichar));
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newUser[userLen] = 0;
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newPass = &newUser[userLen + 1];
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if (pass)
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memcpy(newPass, pass, passLen * sizeof(PRUnichar));
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newPass[passLen] = 0;
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newDomain = &newPass[passLen + 1];
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if (domain)
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memcpy(newDomain, domain, domainLen * sizeof(PRUnichar));
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newDomain[domainLen] = 0;
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// wait until the end to clear member vars in case input params
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// reference our members!
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if (mUser)
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free(mUser);
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mUser = newUser;
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mPass = newPass;
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mDomain = newDomain;
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return NS_OK;
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}
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void
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nsHttpAuthIdentity::Clear()
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{
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if (mUser) {
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free(mUser);
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mUser = nsnull;
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mPass = nsnull;
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mDomain = nsnull;
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}
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}
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bool
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nsHttpAuthIdentity::Equals(const nsHttpAuthIdentity &ident) const
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{
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// we could probably optimize this with a single loop, but why bother?
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return StrEquivalent(mUser, ident.mUser) &&
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StrEquivalent(mPass, ident.mPass) &&
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StrEquivalent(mDomain, ident.mDomain);
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}
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//-----------------------------------------------------------------------------
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// nsHttpAuthEntry
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//-----------------------------------------------------------------------------
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nsHttpAuthEntry::~nsHttpAuthEntry()
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{
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if (mRealm)
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free(mRealm);
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while (mRoot) {
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nsHttpAuthPath *ap = mRoot;
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mRoot = mRoot->mNext;
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free(ap);
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}
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}
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nsresult
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nsHttpAuthEntry::AddPath(const char *aPath)
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{
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// null path matches empty path
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if (!aPath)
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aPath = "";
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nsHttpAuthPath *tempPtr = mRoot;
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while (tempPtr) {
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const char *curpath = tempPtr->mPath;
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if (strncmp(aPath, curpath, strlen(curpath)) == 0)
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return NS_OK; // subpath already exists in the list
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tempPtr = tempPtr->mNext;
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}
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//Append the aPath
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nsHttpAuthPath *newAuthPath;
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int newpathLen = strlen(aPath);
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newAuthPath = (nsHttpAuthPath *) malloc(sizeof(nsHttpAuthPath) + newpathLen);
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if (!newAuthPath)
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return NS_ERROR_OUT_OF_MEMORY;
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memcpy(newAuthPath->mPath, aPath, newpathLen+1);
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newAuthPath->mNext = nsnull;
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if (!mRoot)
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mRoot = newAuthPath; //first entry
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else
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mTail->mNext = newAuthPath; // Append newAuthPath
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//update the tail pointer.
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mTail = newAuthPath;
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return NS_OK;
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}
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nsresult
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nsHttpAuthEntry::Set(const char *path,
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const char *realm,
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const char *creds,
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const char *chall,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata)
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{
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char *newRealm, *newCreds, *newChall;
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int realmLen = realm ? strlen(realm) : 0;
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int credsLen = creds ? strlen(creds) : 0;
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int challLen = chall ? strlen(chall) : 0;
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int len = realmLen + 1 + credsLen + 1 + challLen + 1;
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newRealm = (char *) malloc(len);
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if (!newRealm)
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return NS_ERROR_OUT_OF_MEMORY;
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if (realm)
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memcpy(newRealm, realm, realmLen);
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newRealm[realmLen] = 0;
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newCreds = &newRealm[realmLen + 1];
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if (creds)
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memcpy(newCreds, creds, credsLen);
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newCreds[credsLen] = 0;
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newChall = &newCreds[credsLen + 1];
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if (chall)
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memcpy(newChall, chall, challLen);
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newChall[challLen] = 0;
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nsresult rv = NS_OK;
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if (ident) {
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rv = mIdent.Set(*ident);
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}
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else if (mIdent.IsEmpty()) {
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// If we are not given an identity and our cached identity has not been
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// initialized yet (so is currently empty), initialize it now by
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// filling it with nulls. We need to do that because consumers expect
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// that mIdent is initialized after this function returns.
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rv = mIdent.Set(nsnull, nsnull, nsnull);
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}
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if (NS_FAILED(rv)) {
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free(newRealm);
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return rv;
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}
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rv = AddPath(path);
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if (NS_FAILED(rv)) {
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free(newRealm);
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return rv;
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}
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// wait until the end to clear member vars in case input params
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// reference our members!
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if (mRealm)
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free(mRealm);
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mRealm = newRealm;
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mCreds = newCreds;
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mChallenge = newChall;
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mMetaData = metadata;
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsHttpAuthNode
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//-----------------------------------------------------------------------------
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nsHttpAuthNode::nsHttpAuthNode()
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{
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LOG(("Creating nsHttpAuthNode @%x\n", this));
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}
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nsHttpAuthNode::~nsHttpAuthNode()
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{
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LOG(("Destroying nsHttpAuthNode @%x\n", this));
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mList.Clear();
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}
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nsHttpAuthEntry *
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nsHttpAuthNode::LookupEntryByPath(const char *path)
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{
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nsHttpAuthEntry *entry;
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// null path matches empty path
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if (!path)
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path = "";
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// look for an entry that either matches or contains this directory.
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// ie. we'll give out credentials if the given directory is a sub-
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// directory of an existing entry.
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for (PRUint32 i=0; i<mList.Length(); ++i) {
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entry = mList[i];
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nsHttpAuthPath *authPath = entry->RootPath();
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while (authPath) {
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const char *entryPath = authPath->mPath;
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// proxy auth entries have no path, so require exact match on
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// empty path string.
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if (entryPath[0] == '\0') {
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if (path[0] == '\0')
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return entry;
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}
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else if (strncmp(path, entryPath, strlen(entryPath)) == 0)
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return entry;
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authPath = authPath->mNext;
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}
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}
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return nsnull;
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}
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nsHttpAuthEntry *
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nsHttpAuthNode::LookupEntryByRealm(const char *realm)
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{
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nsHttpAuthEntry *entry;
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// null realm matches empty realm
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if (!realm)
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realm = "";
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// look for an entry that matches this realm
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PRUint32 i;
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for (i=0; i<mList.Length(); ++i) {
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entry = mList[i];
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if (strcmp(realm, entry->Realm()) == 0)
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return entry;
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}
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return nsnull;
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}
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nsresult
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nsHttpAuthNode::SetAuthEntry(const char *path,
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const char *realm,
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const char *creds,
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const char *challenge,
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const nsHttpAuthIdentity *ident,
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nsISupports *metadata)
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{
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// look for an entry with a matching realm
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nsHttpAuthEntry *entry = LookupEntryByRealm(realm);
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if (!entry) {
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entry = new nsHttpAuthEntry(path, realm, creds, challenge, ident, metadata);
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if (!entry)
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return NS_ERROR_OUT_OF_MEMORY;
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mList.AppendElement(entry);
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}
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else {
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// update the entry...
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entry->Set(path, realm, creds, challenge, ident, metadata);
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}
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return NS_OK;
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}
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void
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nsHttpAuthNode::ClearAuthEntry(const char *realm)
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{
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nsHttpAuthEntry *entry = LookupEntryByRealm(realm);
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if (entry) {
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mList.RemoveElement(entry); // double search OK
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}
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}
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