wininet: Implement RetrieveUrlCacheEntryFileW.

dlls/wininet/urlcache.c

@@ -1692,13 +1692,68 @@ BOOL WINAPI RetrieveUrlCacheEntryFileW(
     IN DWORD dwReserved
     )
 {
+    LPURLCACHE_HEADER pHeader;
+    struct _HASH_ENTRY * pHashEntry;
+    CACHEFILE_ENTRY * pEntry;
+    URL_CACHEFILE_ENTRY * pUrlEntry;
+    URLCACHECONTAINER * pContainer;
+
     TRACE("(%s, %p, %p, 0x%08x)\n",
         debugstr_w(lpszUrlName),
         lpCacheEntryInfo,
         lpdwCacheEntryInfoBufferSize,
         dwReserved);
 
-    return FALSE;
+    if (!URLCacheContainers_FindContainerW(lpszUrlName, &pContainer))
+        return FALSE;
+
+    if (!URLCacheContainer_OpenIndex(pContainer))
+        return FALSE;
+
+    if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
+        return FALSE;
+
+    if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry))
+    {
+        URLCacheContainer_UnlockIndex(pContainer, pHeader);
+        TRACE("entry %s not found!\n", debugstr_w(lpszUrlName));
+        SetLastError(ERROR_FILE_NOT_FOUND);
+        return FALSE;
+    }
+
+    pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
+    if (pEntry->dwSignature != URL_SIGNATURE)
+    {
+        URLCacheContainer_UnlockIndex(pContainer, pHeader);
+        FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
+        SetLastError(ERROR_FILE_NOT_FOUND);
+        return FALSE;
+    }
+
+    pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
+    TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
+    TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
+
+    pUrlEntry->dwHitRate++;
+    pUrlEntry->dwUseCount++;
+    URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
+
+    if (!URLCache_CopyEntry(
+        pContainer,
+        pHeader,
+        (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo,
+        lpdwCacheEntryInfoBufferSize,
+        pUrlEntry,
+        TRUE /* UNICODE */))
+    {
+        URLCacheContainer_UnlockIndex(pContainer, pHeader);
+        return FALSE;
+    }
+    TRACE("Local File Name: %s\n", debugstr_w(lpCacheEntryInfo->lpszLocalFileName));
+
+    URLCacheContainer_UnlockIndex(pContainer, pHeader);
+
+    return TRUE;
 }
 
 /***********************************************************************