David Fletcher
/
CC3000WebServer
A Port of TI's Webserver for the CC3000
WebServer/HttpStatic.cpp
- Committer:
- dflet
- Date:
- 2013-09-14
- Revision:
- 0:6ad60d78b315
File content as of revision 0:6ad60d78b315:
/***************************************************************************** * * HttpStatic.c * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #include "HttpStatic.h" #ifdef HTTP_CORE_ENABLE_STATIC #include "HttpRequest.h" #include "HttpResponse.h" #include "HttpCore.h" #include "FlashDB.h" /** * @addtogroup HttpStatic * @{ */ /** * @defgroup HttpStatic Static request handler module * This module implements static content processing for HTTP requests. * All requests are handled by looking up the URL's resource in the flash database, and returning the content in the response. * Note this module is only compiled if HTTP_CORE_ENABLE_STATIC is defined in HttpConfig.h * * @{ */ struct FlashDBContent pFlashDBContent[HTTP_CORE_MAX_CONNECTIONS]; /** * Initialize HttpStatic module state for a new request, and identify the request * This function examines the specified resource string, and looks it up in the Flash Database. * Note: During FlashDB lookup, ignore the query part (?) and anchor part (#) of URL * If found, it commits to process this request by returning nonzero. Otherwise it returns zero. * @param uConnection The number of the connection. This value is guaranteed to satisfy: 0 <= uConnection < HTTP_CORE_MAX_CONNECTIONS * @param resource The resource part of the URL, as specified by the browser in the request, including any query string (and hash). * Note: The resource string exists ONLY during the call to this function. The string pointer should not be copied by this function. * @return nonzero if request is to be handled by this module. zero if not. */ int HttpStatic_InitRequest(uint16 uConnection, struct HttpBlob resource) { if (FlashDB_FindContent(resource, &pFlashDBContent[uConnection]) == 0) return 0; return 1; } /** * Process a static-content HTTP request * This function is called after a request was already initialized, and a FlashDB content entry was identified during a call to HttpStatic_InitRequest() * This function calls HttpResponse_*() to send the content data to the browser. * @param request Pointer to all data available about the request * @return nonzero if request was handled. zero if not. */ void HttpStatic_ProcessRequest(struct HttpRequest* request) { struct HttpBlob contentType, nullBlob = {0, NULL}; /* if HTTP_REQUEST_FLAG_METHOD_POST==1 (i.e. it is POST) HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_INTERNAL POST method is not supported for static pages */ if (request->uFlags & HTTP_REQUEST_FLAG_METHOD_POST) { /* HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL */ HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_INTERNAL); return; } /* if HTTP_REQUEST_FLAG_ACCEPT_GZIP is not set and FLASHDB_FLAG_COMPRESSED is set then HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_NOT_ACCEPTED */ if ((((char)(request->uFlags) & (char)HTTP_REQUEST_FLAG_ACCEPT_GZIP) == 0) && (((char)(pFlashDBContent[request->uConnection].uFlags) & (char)FLASHDB_FLAG_COMPRESSED))) { /* call HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL */ HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_NOT_ACCEPTED); return; } /* if HTTP_REQUEST_FLAG_AUTHENTICATED is not set and FLASHDB_FLAG_REQUIRE_AUTH is set then HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_UNAUTHORIZED */ if (((request->uFlags & HTTP_REQUEST_FLAG_AUTHENTICATED) == 0)) { /* HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL */ HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_UNAUTHORIZED); return; } /* if got here than it is a GET method HttpResponse_Headers() responds to client with status HTTP_STATUS_OK */ FlashDB_FindContentType(pFlashDBContent[request->uConnection].uContentType, &contentType); HttpResponse_Headers(request->uConnection, HTTP_STATUS_OK, pFlashDBContent[request->uConnection].uFlags, pFlashDBContent[request->uConnection].contentBlob.uLength, contentType, nullBlob); /* HttpResponse_Content() sends requested page to the client */ HttpResponse_Content(request->uConnection, pFlashDBContent[request->uConnection].contentBlob); } /// @} #endif // HTTP_CORE_ENABLE_STATIC