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MdeModulePkg: Add new API HttpUrlGetPath() to HttpLib.h 

This patch is to add a new interface to get the "Path" component according to
the URI parse result, it would be helpful for the library user to extract the
file path value in a URI.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
This commit is contained in:
Fu Siyuan 2016-02-29 13:51:02 +08:00
parent cb1d0668a5
commit 6796629dbb
2 changed files with 85 additions and 2 deletions
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26
MdeModulePkg/Include/Library/HttpLib.h
View File

@ -2,7 +2,7 @@
This library is used to share code between UEFI network stack modules.
It provides the helper routines to parse the HTTP message byte stream.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at<BR>
@ -163,6 +163,30 @@ HttpUrlGetPort (
OUT UINT16 *Port
);
/**
Get the Path from a HTTP URL.
This function will return the Path according to the Url and previous parse result,and
it is the caller's responsibility to free the buffer returned in *Path.
@param[in] Url The pointer to a HTTP URL string.
@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
@param[out] Path Pointer to a buffer to store the Path.
@retval EFI_SUCCESS Successfully get the required component.
@retval EFI_INVALID_PARAMETER Uri is NULL or HostName is NULL or UrlParser is invalid.
@retval EFI_NOT_FOUND No hostName component in the URL.
@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
**/
EFI_STATUS
EFIAPI
HttpUrlGetPath (
IN CHAR8 *Url,
IN VOID *UrlParser,
OUT CHAR8 **Path
);
/**
Release the resource of the URL parser.

61
MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
View File

@ -2,7 +2,7 @@
This library is used to share code between UEFI network stack modules.
It provides the helper routines to parse the HTTP message byte stream.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at<BR>
@ -784,6 +784,65 @@ HttpUrlGetPort (
return EFI_SUCCESS;
}
/**
Get the Path from a HTTP URL.
This function will return the Path according to the Url and previous parse result,and
it is the caller's responsibility to free the buffer returned in *Path.
@param[in] Url The pointer to a HTTP URL string.
@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
@param[out] Path Pointer to a buffer to store the Path.
@retval EFI_SUCCESS Successfully get the required component.
@retval EFI_INVALID_PARAMETER Uri is NULL or HostName is NULL or UrlParser is invalid.
@retval EFI_NOT_FOUND No hostName component in the URL.
@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
**/
EFI_STATUS
EFIAPI
HttpUrlGetPath (
IN CHAR8 *Url,
IN VOID *UrlParser,
OUT CHAR8 **Path
)
{
CHAR8 *PathStr;
EFI_STATUS Status;
UINT32 ResultLength;
HTTP_URL_PARSER *Parser;
if (Url == NULL || UrlParser == NULL || Path == NULL) {
return EFI_INVALID_PARAMETER;
}
Parser = (HTTP_URL_PARSER*) UrlParser;
if ((Parser->FieldBitMap & BIT (HTTP_URI_FIELD_PATH)) == 0) {
return EFI_NOT_FOUND;
}
PathStr = AllocatePool (Parser->FieldData[HTTP_URI_FIELD_PATH].Length + 1);
if (PathStr == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Status = UriPercentDecode (
Url + Parser->FieldData[HTTP_URI_FIELD_PATH].Offset,
Parser->FieldData[HTTP_URI_FIELD_PATH].Length,
PathStr,
&ResultLength
);
if (EFI_ERROR (Status)) {
return Status;
}
PathStr[ResultLength] = '\0';
*Path = PathStr;
return EFI_SUCCESS;
}
/**
Release the resource of the URL parser.