David Fletcher / Mbed 2 deprecated CC3000WebServer

A Port of TI's Webserver for the CC3000

Dependencies:   mbed

WebServer/HttpStatic.cpp@2:e6a185df9e4c, 2013-09-16 (annotated)

Committer:
dflet
Date:
Mon Sep 16 18:37:14 2013 +0000
Revision:
2:e6a185df9e4c
Parent:
0:6ad60d78b315 
ADC and Leds now work on board and config.html page.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:6ad60d78b315 1 /*****************************************************************************
dflet 0:6ad60d78b315 2 *
dflet 0:6ad60d78b315 3 * HttpStatic.c
dflet 0:6ad60d78b315 4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
dflet 0:6ad60d78b315 5 *
dflet 0:6ad60d78b315 6 * Redistribution and use in source and binary forms, with or without
dflet 0:6ad60d78b315 7 * modification, are permitted provided that the following conditions
dflet 0:6ad60d78b315 8 * are met:
dflet 0:6ad60d78b315 9 *
dflet 0:6ad60d78b315 10 * Redistributions of source code must retain the above copyright
dflet 0:6ad60d78b315 11 * notice, this list of conditions and the following disclaimer.
dflet 0:6ad60d78b315 12 *
dflet 0:6ad60d78b315 13 * Redistributions in binary form must reproduce the above copyright
dflet 0:6ad60d78b315 14 * notice, this list of conditions and the following disclaimer in the
dflet 0:6ad60d78b315 15 * documentation and/or other materials provided with the
dflet 0:6ad60d78b315 16 * distribution.
dflet 0:6ad60d78b315 17 *
dflet 0:6ad60d78b315 18 * Neither the name of Texas Instruments Incorporated nor the names of
dflet 0:6ad60d78b315 19 * its contributors may be used to endorse or promote products derived
dflet 0:6ad60d78b315 20 * from this software without specific prior written permission.
dflet 0:6ad60d78b315 21 *
dflet 0:6ad60d78b315 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
dflet 0:6ad60d78b315 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
dflet 0:6ad60d78b315 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
dflet 0:6ad60d78b315 25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
dflet 0:6ad60d78b315 26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
dflet 0:6ad60d78b315 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
dflet 0:6ad60d78b315 28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
dflet 0:6ad60d78b315 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
dflet 0:6ad60d78b315 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
dflet 0:6ad60d78b315 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
dflet 0:6ad60d78b315 32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
dflet 0:6ad60d78b315 33 *
dflet 0:6ad60d78b315 34 *****************************************************************************/
dflet 0:6ad60d78b315 35 #include "HttpStatic.h"
dflet 0:6ad60d78b315 36
dflet 0:6ad60d78b315 37 #ifdef HTTP_CORE_ENABLE_STATIC
dflet 0:6ad60d78b315 38
dflet 0:6ad60d78b315 39 #include "HttpRequest.h"
dflet 0:6ad60d78b315 40 #include "HttpResponse.h"
dflet 0:6ad60d78b315 41 #include "HttpCore.h"
dflet 0:6ad60d78b315 42 #include "FlashDB.h"
dflet 0:6ad60d78b315 43
dflet 0:6ad60d78b315 44 /**
dflet 0:6ad60d78b315 45 * @addtogroup HttpStatic
dflet 0:6ad60d78b315 46 * @{
dflet 0:6ad60d78b315 47 */
dflet 0:6ad60d78b315 48
dflet 0:6ad60d78b315 49 /**
dflet 0:6ad60d78b315 50 * @defgroup HttpStatic Static request handler module
dflet 0:6ad60d78b315 51 * This module implements static content processing for HTTP requests.
dflet 0:6ad60d78b315 52 * All requests are handled by looking up the URL's resource in the flash database, and returning the content in the response.
dflet 0:6ad60d78b315 53 * Note this module is only compiled if HTTP_CORE_ENABLE_STATIC is defined in HttpConfig.h
dflet 0:6ad60d78b315 54 *
dflet 0:6ad60d78b315 55 * @{
dflet 0:6ad60d78b315 56 */
dflet 0:6ad60d78b315 57
dflet 0:6ad60d78b315 58
dflet 0:6ad60d78b315 59 struct FlashDBContent pFlashDBContent[HTTP_CORE_MAX_CONNECTIONS];
dflet 0:6ad60d78b315 60
dflet 0:6ad60d78b315 61 /**
dflet 0:6ad60d78b315 62 * Initialize HttpStatic module state for a new request, and identify the request
dflet 0:6ad60d78b315 63 * This function examines the specified resource string, and looks it up in the Flash Database.
dflet 0:6ad60d78b315 64 * Note: During FlashDB lookup, ignore the query part (?) and anchor part (#) of URL
dflet 0:6ad60d78b315 65 * If found, it commits to process this request by returning nonzero. Otherwise it returns zero.
dflet 0:6ad60d78b315 66 * @param uConnection The number of the connection. This value is guaranteed to satisfy: 0 <= uConnection < HTTP_CORE_MAX_CONNECTIONS
dflet 0:6ad60d78b315 67 * @param resource The resource part of the URL, as specified by the browser in the request, including any query string (and hash).
dflet 0:6ad60d78b315 68 * Note: The resource string exists ONLY during the call to this function. The string pointer should not be copied by this function.
dflet 0:6ad60d78b315 69 * @return nonzero if request is to be handled by this module. zero if not.
dflet 0:6ad60d78b315 70 */
dflet 0:6ad60d78b315 71 int HttpStatic_InitRequest(uint16 uConnection, struct HttpBlob resource)
dflet 0:6ad60d78b315 72 {
dflet 0:6ad60d78b315 73 if (FlashDB_FindContent(resource, &pFlashDBContent[uConnection]) == 0)
dflet 0:6ad60d78b315 74 return 0;
dflet 0:6ad60d78b315 75
dflet 0:6ad60d78b315 76 return 1;
dflet 0:6ad60d78b315 77 }
dflet 0:6ad60d78b315 78
dflet 0:6ad60d78b315 79 /**
dflet 0:6ad60d78b315 80 * Process a static-content HTTP request
dflet 0:6ad60d78b315 81 * This function is called after a request was already initialized, and a FlashDB content entry was identified during a call to HttpStatic_InitRequest()
dflet 0:6ad60d78b315 82 * This function calls HttpResponse_*() to send the content data to the browser.
dflet 0:6ad60d78b315 83 * @param request Pointer to all data available about the request
dflet 0:6ad60d78b315 84 * @return nonzero if request was handled. zero if not.
dflet 0:6ad60d78b315 85 */
dflet 0:6ad60d78b315 86 void HttpStatic_ProcessRequest(struct HttpRequest* request)
dflet 0:6ad60d78b315 87 {
dflet 0:6ad60d78b315 88 struct HttpBlob contentType, nullBlob = {0, NULL};
dflet 0:6ad60d78b315 89
dflet 0:6ad60d78b315 90 /* if HTTP_REQUEST_FLAG_METHOD_POST==1 (i.e. it is POST)
dflet 0:6ad60d78b315 91 HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_INTERNAL
dflet 0:6ad60d78b315 92 POST method is not supported for static pages */
dflet 0:6ad60d78b315 93 if (request->uFlags & HTTP_REQUEST_FLAG_METHOD_POST)
dflet 0:6ad60d78b315 94 {
dflet 0:6ad60d78b315 95 /* HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL */
dflet 0:6ad60d78b315 96 HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_INTERNAL);
dflet 0:6ad60d78b315 97 return;
dflet 0:6ad60d78b315 98 }
dflet 0:6ad60d78b315 99
dflet 0:6ad60d78b315 100 /* if HTTP_REQUEST_FLAG_ACCEPT_GZIP is not set and FLASHDB_FLAG_COMPRESSED is set then
dflet 0:6ad60d78b315 101 HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_NOT_ACCEPTED */
dflet 0:6ad60d78b315 102 if ((((char)(request->uFlags) & (char)HTTP_REQUEST_FLAG_ACCEPT_GZIP) == 0) && (((char)(pFlashDBContent[request->uConnection].uFlags) & (char)FLASHDB_FLAG_COMPRESSED)))
dflet 0:6ad60d78b315 103 {
dflet 0:6ad60d78b315 104 /* call HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL */
dflet 0:6ad60d78b315 105 HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_NOT_ACCEPTED);
dflet 0:6ad60d78b315 106 return;
dflet 0:6ad60d78b315 107 }
dflet 0:6ad60d78b315 108 /* if HTTP_REQUEST_FLAG_AUTHENTICATED is not set and FLASHDB_FLAG_REQUIRE_AUTH is set then
dflet 0:6ad60d78b315 109 HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_UNAUTHORIZED */
dflet 0:6ad60d78b315 110 if (((request->uFlags & HTTP_REQUEST_FLAG_AUTHENTICATED) == 0))
dflet 0:6ad60d78b315 111 {
dflet 0:6ad60d78b315 112 /* HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL */
dflet 0:6ad60d78b315 113 HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_UNAUTHORIZED);
dflet 0:6ad60d78b315 114 return;
dflet 0:6ad60d78b315 115 }
dflet 0:6ad60d78b315 116
dflet 0:6ad60d78b315 117 /* if got here than it is a GET method
dflet 0:6ad60d78b315 118 HttpResponse_Headers() responds to client with status HTTP_STATUS_OK */
dflet 0:6ad60d78b315 119 FlashDB_FindContentType(pFlashDBContent[request->uConnection].uContentType, &contentType);
dflet 0:6ad60d78b315 120 HttpResponse_Headers(request->uConnection, HTTP_STATUS_OK, pFlashDBContent[request->uConnection].uFlags, pFlashDBContent[request->uConnection].contentBlob.uLength, contentType, nullBlob);
dflet 0:6ad60d78b315 121 /* HttpResponse_Content() sends requested page to the client */
dflet 0:6ad60d78b315 122 HttpResponse_Content(request->uConnection, pFlashDBContent[request->uConnection].contentBlob);
dflet 0:6ad60d78b315 123
dflet 0:6ad60d78b315 124 }
dflet 0:6ad60d78b315 125
dflet 0:6ad60d78b315 126 /// @}
dflet 0:6ad60d78b315 127
dflet 0:6ad60d78b315 128 #endif // HTTP_CORE_ENABLE_STATIC
dflet 0:6ad60d78b315 129