Andrew Boyson / web

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web-base.c@103:91194cc19bbb, 2019-04-27 (annotated)

Committer:
andrewboyson
Date:
Sat Apr 27 09:25:28 2019 +0000
Revision:
103:91194cc19bbb
Child:
104:40097d08edd5
Child:
105:43ef124233cd
Renamed everything from Http to Web

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 103:91194cc19bbb 1 #include "web-base.h"
andrewboyson 103:91194cc19bbb 2 #include "web-derived.h"
andrewboyson 103:91194cc19bbb 3 #include "http.h"
andrewboyson 103:91194cc19bbb 4 #include "fault.h"
andrewboyson 103:91194cc19bbb 5 #include "led.h"
andrewboyson 103:91194cc19bbb 6 #include "mstimer.h"
andrewboyson 103:91194cc19bbb 7
andrewboyson 103:91194cc19bbb 8 #define DO_LOGIN DO_SERVER + 0
andrewboyson 103:91194cc19bbb 9 #define DO_FAVICON DO_SERVER + 1
andrewboyson 103:91194cc19bbb 10 #define DO_BASE_CSS DO_SERVER + 2
andrewboyson 103:91194cc19bbb 11 #define DO_NAV_CSS DO_SERVER + 3
andrewboyson 103:91194cc19bbb 12 #define DO_TRACE_HTML DO_SERVER + 4
andrewboyson 103:91194cc19bbb 13 #define DO_TRACE_AJAX DO_SERVER + 5
andrewboyson 103:91194cc19bbb 14 #define DO_TRACE_SCRIPT DO_SERVER + 6
andrewboyson 103:91194cc19bbb 15 #define DO_CLOCK_HTML DO_SERVER + 7
andrewboyson 103:91194cc19bbb 16 #define DO_CLOCK_AJAX DO_SERVER + 8
andrewboyson 103:91194cc19bbb 17 #define DO_CLOCK_SCRIPT DO_SERVER + 9
andrewboyson 103:91194cc19bbb 18 #define DO_NET_HTML DO_SERVER + 10
andrewboyson 103:91194cc19bbb 19 #define DO_NET4_HTML DO_SERVER + 11
andrewboyson 103:91194cc19bbb 20 #define DO_NET4_AJAX DO_SERVER + 12
andrewboyson 103:91194cc19bbb 21 #define DO_NET4_SCRIPT DO_SERVER + 13
andrewboyson 103:91194cc19bbb 22 #define DO_NET6_HTML DO_SERVER + 14
andrewboyson 103:91194cc19bbb 23 #define DO_NET6_AJAX DO_SERVER + 15
andrewboyson 103:91194cc19bbb 24 #define DO_NET6_SCRIPT DO_SERVER + 16
andrewboyson 103:91194cc19bbb 25 #define DO_LOG_HTML DO_SERVER + 17
andrewboyson 103:91194cc19bbb 26 #define DO_FAULT_HTML DO_SERVER + 18
andrewboyson 103:91194cc19bbb 27 #define DO_FIRMWARE_HTML DO_SERVER + 19
andrewboyson 103:91194cc19bbb 28 #define DO_FIRMWARE_AJAX DO_SERVER + 20
andrewboyson 103:91194cc19bbb 29 #define DO_FIRMWARE_SCRIPT DO_SERVER + 21
andrewboyson 103:91194cc19bbb 30 #define DO_1WIRE_HTML DO_SERVER + 22
andrewboyson 103:91194cc19bbb 31 #define DO_1WIRE_AJAX DO_SERVER + 23
andrewboyson 103:91194cc19bbb 32 #define DO_1WIRE_SCRIPT DO_SERVER + 24
andrewboyson 103:91194cc19bbb 33 #define DO_SEND_SESSION_ID DO_DERIVED + 100
andrewboyson 103:91194cc19bbb 34
andrewboyson 103:91194cc19bbb 35 #define LOGIN_DELAY_MS 200
andrewboyson 103:91194cc19bbb 36
andrewboyson 103:91194cc19bbb 37 static int decideWhatToDoFromPath(char *pPath, char* pLastModified)
andrewboyson 103:91194cc19bbb 38 {
andrewboyson 103:91194cc19bbb 39 if (HttpSameStr(pPath, "/login" )) return DO_LOGIN;
andrewboyson 103:91194cc19bbb 40 if (HttpSameStr(pPath, "/clock" )) return DO_CLOCK_HTML;
andrewboyson 103:91194cc19bbb 41 if (HttpSameStr(pPath, "/clock-ajax" )) return DO_CLOCK_AJAX;
andrewboyson 103:91194cc19bbb 42 if (HttpSameStr(pPath, "/net" )) return DO_NET_HTML;
andrewboyson 103:91194cc19bbb 43 if (HttpSameStr(pPath, "/net4" )) return DO_NET4_HTML;
andrewboyson 103:91194cc19bbb 44 if (HttpSameStr(pPath, "/net4-ajax" )) return DO_NET4_AJAX;
andrewboyson 103:91194cc19bbb 45 if (HttpSameStr(pPath, "/net6" )) return DO_NET6_HTML;
andrewboyson 103:91194cc19bbb 46 if (HttpSameStr(pPath, "/net6-ajax" )) return DO_NET6_AJAX;
andrewboyson 103:91194cc19bbb 47 if (HttpSameStr(pPath, "/log" )) return DO_LOG_HTML;
andrewboyson 103:91194cc19bbb 48 if (HttpSameStr(pPath, "/trace" )) return DO_TRACE_HTML;
andrewboyson 103:91194cc19bbb 49 if (HttpSameStr(pPath, "/trace-ajax" )) return DO_TRACE_AJAX;
andrewboyson 103:91194cc19bbb 50 if (HttpSameStr(pPath, "/fault" )) return DO_FAULT_HTML;
andrewboyson 103:91194cc19bbb 51 if (HttpSameStr(pPath, "/firmware" )) return DO_FIRMWARE_HTML;
andrewboyson 103:91194cc19bbb 52 if (HttpSameStr(pPath, "/firmware-ajax")) return DO_FIRMWARE_AJAX;
andrewboyson 103:91194cc19bbb 53 #ifdef INCLUDE_1_WIRE
andrewboyson 103:91194cc19bbb 54 if (HttpSameStr(pPath, "/1wire" )) return DO_1WIRE_HTML;
andrewboyson 103:91194cc19bbb 55 if (HttpSameStr(pPath, "/1wire-ajax" )) return DO_1WIRE_AJAX;
andrewboyson 103:91194cc19bbb 56 #endif
andrewboyson 103:91194cc19bbb 57
andrewboyson 103:91194cc19bbb 58 if (HttpSameStr(pPath, "/favicon.ico" )) return HttpSameDate(WebFaviconDate, WebFaviconTime, pLastModified) ? DO_NOT_MODIFIED : DO_FAVICON;
andrewboyson 103:91194cc19bbb 59 if (HttpSameStr(pPath, "/base.css" )) return HttpSameDate(WebBaseCssDate, WebBaseCssTime, pLastModified) ? DO_NOT_MODIFIED : DO_BASE_CSS;
andrewboyson 103:91194cc19bbb 60 if (HttpSameStr(pPath, "/settings.css" )) return HttpSameDate(WebNavCssDate, WebNavCssTime, pLastModified) ? DO_NOT_MODIFIED : DO_NAV_CSS;
andrewboyson 103:91194cc19bbb 61 if (HttpSameStr(pPath, "/net4.js" )) return HttpSameDate(WebNet4ScriptDate, WebNet4ScriptTime, pLastModified) ? DO_NOT_MODIFIED : DO_NET4_SCRIPT;
andrewboyson 103:91194cc19bbb 62 if (HttpSameStr(pPath, "/net6.js" )) return HttpSameDate(WebNet6ScriptDate, WebNet6ScriptTime, pLastModified) ? DO_NOT_MODIFIED : DO_NET6_SCRIPT;
andrewboyson 103:91194cc19bbb 63 if (HttpSameStr(pPath, "/trace.js" )) return HttpSameDate(WebTraceScriptDate, WebTraceScriptTime, pLastModified) ? DO_NOT_MODIFIED : DO_TRACE_SCRIPT;
andrewboyson 103:91194cc19bbb 64 if (HttpSameStr(pPath, "/clock.js" )) return HttpSameDate(WebClockScriptDate, WebClockScriptTime, pLastModified) ? DO_NOT_MODIFIED : DO_CLOCK_SCRIPT;
andrewboyson 103:91194cc19bbb 65 if (HttpSameStr(pPath, "/firmware.js" )) return HttpSameDate(WebFirmwareScriptDate, WebFirmwareScriptTime, pLastModified) ? DO_NOT_MODIFIED : DO_FIRMWARE_SCRIPT;
andrewboyson 103:91194cc19bbb 66 #ifdef INCLUDE_1_WIRE
andrewboyson 103:91194cc19bbb 67 if (HttpSameStr(pPath, "/1wire.js" )) return HttpSameDate(WebOneWireScriptDate, WebOneWireScriptTime, pLastModified) ? DO_NOT_MODIFIED : DO_1WIRE_SCRIPT;
andrewboyson 103:91194cc19bbb 68 #endif
andrewboyson 103:91194cc19bbb 69 return WebServerDerivedRequest(pPath, pLastModified);
andrewboyson 103:91194cc19bbb 70 }
andrewboyson 103:91194cc19bbb 71 static void handleQuery(int todo, char* pQuery)
andrewboyson 103:91194cc19bbb 72 {
andrewboyson 103:91194cc19bbb 73 switch (todo)
andrewboyson 103:91194cc19bbb 74 {
andrewboyson 103:91194cc19bbb 75 case DO_LOGIN: WebLoginQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 76 case DO_TRACE_AJAX: WebTraceQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 77 case DO_CLOCK_AJAX: WebClockQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 78 case DO_CLOCK_HTML: WebClockQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 79 case DO_LOG_HTML: WebLogQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 80 case DO_FAULT_HTML: WebFaultQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 81 case DO_FIRMWARE_HTML: WebFirmwareQuery(pQuery); return;
andrewboyson 103:91194cc19bbb 82 case DO_FIRMWARE_AJAX: WebFirmwareQuery(pQuery); return;
andrewboyson 103:91194cc19bbb 83 #ifdef INCLUDE_1_WIRE
andrewboyson 103:91194cc19bbb 84 case DO_1WIRE_HTML: WebOneWireQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 85 case DO_1WIRE_AJAX: WebOneWireQuery (pQuery); return;
andrewboyson 103:91194cc19bbb 86 #endif
andrewboyson 103:91194cc19bbb 87 }
andrewboyson 103:91194cc19bbb 88 WebServerDerivedGet(todo, pQuery);
andrewboyson 103:91194cc19bbb 89 }
andrewboyson 103:91194cc19bbb 90 static bool handlePost(int todo, int contentLength, int contentStart, int size, char* pRequestStream, uint32_t positionInRequestStream)
andrewboyson 103:91194cc19bbb 91 {
andrewboyson 103:91194cc19bbb 92 switch (todo)
andrewboyson 103:91194cc19bbb 93 {
andrewboyson 103:91194cc19bbb 94 case DO_FIRMWARE_AJAX: return WebFirmwarePost(contentLength, contentStart, size, pRequestStream, positionInRequestStream);
andrewboyson 103:91194cc19bbb 95 }
andrewboyson 103:91194cc19bbb 96 return WebServerDerivedPost(todo, contentLength, size, pRequestStream, positionInRequestStream);
andrewboyson 103:91194cc19bbb 97 }
andrewboyson 103:91194cc19bbb 98
andrewboyson 103:91194cc19bbb 99 static void serverRequest(int size, char* pRequestStream, uint32_t positionInRequestStream, int* pToDo, bool* pPostComplete, uint32_t* pDelayUntil)
andrewboyson 103:91194cc19bbb 100 {
andrewboyson 103:91194cc19bbb 101 //Handle request for the first packet of data received but leave todo the same after that.
andrewboyson 103:91194cc19bbb 102 int contentLength = 0;
andrewboyson 103:91194cc19bbb 103 int contentStart = 0;
andrewboyson 103:91194cc19bbb 104 if (size && positionInRequestStream == 0)
andrewboyson 103:91194cc19bbb 105 {
andrewboyson 103:91194cc19bbb 106 //Read the headers
andrewboyson 103:91194cc19bbb 107 char* pMethod;
andrewboyson 103:91194cc19bbb 108 char* pPath;
andrewboyson 103:91194cc19bbb 109 char* pQuery;
andrewboyson 103:91194cc19bbb 110 char* pLastModified;
andrewboyson 103:91194cc19bbb 111 char* pCookies;
andrewboyson 103:91194cc19bbb 112 contentStart = HttpRequestRead(pRequestStream, size, &pMethod, &pPath, &pQuery, &pLastModified, &pCookies, &contentLength);
andrewboyson 103:91194cc19bbb 113
andrewboyson 103:91194cc19bbb 114 //Ask the web server what to do
andrewboyson 103:91194cc19bbb 115 *pToDo = decideWhatToDoFromPath(pPath, pLastModified);
andrewboyson 103:91194cc19bbb 116
andrewboyson 103:91194cc19bbb 117 //If what to do is NOTHING, NOT_FOUND or NOT_MODIFIED then no query or post will be valid so stop now
andrewboyson 103:91194cc19bbb 118 if (*pToDo < DO_SERVER) { *pPostComplete = true; return; }
andrewboyson 103:91194cc19bbb 119
andrewboyson 103:91194cc19bbb 120 //If what to do is LOGIN then the user has just returned the login form
andrewboyson 103:91194cc19bbb 121 if (*pToDo == DO_LOGIN)
andrewboyson 103:91194cc19bbb 122 {
andrewboyson 103:91194cc19bbb 123 handleQuery(*pToDo, pQuery); //Read the password and the original location
andrewboyson 103:91194cc19bbb 124 if (WebLoginQueryPasswordOk)
andrewboyson 103:91194cc19bbb 125 {
andrewboyson 103:91194cc19bbb 126 if (!WebLoginSessionIdIsSet()) //If there isn't a session id already
andrewboyson 103:91194cc19bbb 127 {
andrewboyson 103:91194cc19bbb 128 WebLoginSessionIdNew(); //Create a new session id
andrewboyson 103:91194cc19bbb 129 }
andrewboyson 103:91194cc19bbb 130 *pToDo = WebLoginOriginalToDo; //Load the original todo and SEND_SESSION_ID
andrewboyson 103:91194cc19bbb 131 *pToDo += DO_SEND_SESSION_ID;
andrewboyson 103:91194cc19bbb 132 }
andrewboyson 103:91194cc19bbb 133 *pDelayUntil = MsTimerCount + LOGIN_DELAY_MS; //To prevent brute forcing the hash delay the reply to the login
andrewboyson 103:91194cc19bbb 134 *pPostComplete = true;
andrewboyson 103:91194cc19bbb 135 return; //Either way no query or post will be valid
andrewboyson 103:91194cc19bbb 136 }
andrewboyson 103:91194cc19bbb 137
andrewboyson 103:91194cc19bbb 138 //Have a normal request so authenticate
andrewboyson 103:91194cc19bbb 139 if (!WebLoginCookiesContainValidSessionId(pCookies))
andrewboyson 103:91194cc19bbb 140 {
andrewboyson 103:91194cc19bbb 141 WebLoginOriginalToDo = *pToDo; //Record the original destination for redirection
andrewboyson 103:91194cc19bbb 142 *pToDo = DO_LOGIN;
andrewboyson 103:91194cc19bbb 143 *pPostComplete = true;
andrewboyson 103:91194cc19bbb 144 return; //Ignore any query or post as the user is not authenticated
andrewboyson 103:91194cc19bbb 145 }
andrewboyson 103:91194cc19bbb 146
andrewboyson 103:91194cc19bbb 147 //Handle the query
andrewboyson 103:91194cc19bbb 148 handleQuery(*pToDo, pQuery);
andrewboyson 103:91194cc19bbb 149 }
andrewboyson 103:91194cc19bbb 150
andrewboyson 103:91194cc19bbb 151 //Do the upload of anything that needs it. Todos it doesn't understand are ignored.
andrewboyson 103:91194cc19bbb 152 if (!*pPostComplete) *pPostComplete = handlePost(*pToDo, contentLength, contentStart, size, pRequestStream, positionInRequestStream);
andrewboyson 103:91194cc19bbb 153 }
andrewboyson 103:91194cc19bbb 154
andrewboyson 103:91194cc19bbb 155 static void serverReply(int todo)
andrewboyson 103:91194cc19bbb 156 {
andrewboyson 103:91194cc19bbb 157 //Check if todo includes the need to send a cookie
andrewboyson 103:91194cc19bbb 158 if (todo >= DO_SEND_SESSION_ID)
andrewboyson 103:91194cc19bbb 159 {
andrewboyson 103:91194cc19bbb 160 HttpOkCookieName = WebLoginSessionNameGet();
andrewboyson 103:91194cc19bbb 161 HttpOkCookieValue = WebLoginSessionIdGet();
andrewboyson 103:91194cc19bbb 162 HttpOkCookieMaxAge = WebLoginSessionNameLife();
andrewboyson 103:91194cc19bbb 163 todo -= DO_SEND_SESSION_ID;
andrewboyson 103:91194cc19bbb 164 }
andrewboyson 103:91194cc19bbb 165 else
andrewboyson 103:91194cc19bbb 166 {
andrewboyson 103:91194cc19bbb 167 HttpOkCookieName = NULL;
andrewboyson 103:91194cc19bbb 168 HttpOkCookieValue = NULL;
andrewboyson 103:91194cc19bbb 169 HttpOkCookieMaxAge = -1;
andrewboyson 103:91194cc19bbb 170 }
andrewboyson 103:91194cc19bbb 171
andrewboyson 103:91194cc19bbb 172 //Try all the base modules
andrewboyson 103:91194cc19bbb 173 switch (todo)
andrewboyson 103:91194cc19bbb 174 {
andrewboyson 103:91194cc19bbb 175 case DO_NOT_FOUND: HttpNotFound (); return;
andrewboyson 103:91194cc19bbb 176 case DO_NOT_MODIFIED: HttpNotModified (); return;
andrewboyson 103:91194cc19bbb 177 case DO_LOGIN: WebLoginHtml (); return;
andrewboyson 103:91194cc19bbb 178 case DO_FAVICON: WebFavicon (); return;
andrewboyson 103:91194cc19bbb 179 case DO_BASE_CSS: WebBaseCss (); return;
andrewboyson 103:91194cc19bbb 180 case DO_NAV_CSS: WebNavCss (); return;
andrewboyson 103:91194cc19bbb 181 case DO_TRACE_HTML: WebTraceHtml (); return;
andrewboyson 103:91194cc19bbb 182 case DO_TRACE_AJAX: WebTraceAjax (); return;
andrewboyson 103:91194cc19bbb 183 case DO_TRACE_SCRIPT: WebTraceScript (); return;
andrewboyson 103:91194cc19bbb 184 case DO_CLOCK_HTML: WebClockHtml (); return;
andrewboyson 103:91194cc19bbb 185 case DO_CLOCK_AJAX: WebClockAjax (); return;
andrewboyson 103:91194cc19bbb 186 case DO_CLOCK_SCRIPT: WebClockScript (); return;
andrewboyson 103:91194cc19bbb 187 case DO_NET_HTML: WebNetHtml (); return;
andrewboyson 103:91194cc19bbb 188 case DO_NET4_HTML: WebNet4Html (); return;
andrewboyson 103:91194cc19bbb 189 case DO_NET4_AJAX: WebNet4Ajax (); return;
andrewboyson 103:91194cc19bbb 190 case DO_NET4_SCRIPT: WebNet4Script (); return;
andrewboyson 103:91194cc19bbb 191 case DO_NET6_HTML: WebNet6Html (); return;
andrewboyson 103:91194cc19bbb 192 case DO_NET6_AJAX: WebNet6Ajax (); return;
andrewboyson 103:91194cc19bbb 193 case DO_NET6_SCRIPT: WebNet6Script (); return;
andrewboyson 103:91194cc19bbb 194 case DO_LOG_HTML: WebLogHtml (); return;
andrewboyson 103:91194cc19bbb 195 case DO_FAULT_HTML: WebFaultHtml (); return;
andrewboyson 103:91194cc19bbb 196 case DO_FIRMWARE_HTML: WebFirmwareHtml (); return;
andrewboyson 103:91194cc19bbb 197 case DO_FIRMWARE_AJAX: WebFirmwareAjax (); return;
andrewboyson 103:91194cc19bbb 198 case DO_FIRMWARE_SCRIPT: WebFirmwareScript(); return;
andrewboyson 103:91194cc19bbb 199 #ifdef INCLUDE_1_WIRE
andrewboyson 103:91194cc19bbb 200 case DO_1WIRE_HTML: WebOneWireHtml (); return;
andrewboyson 103:91194cc19bbb 201 case DO_1WIRE_AJAX: WebOneWireAjax (); return;
andrewboyson 103:91194cc19bbb 202 case DO_1WIRE_SCRIPT: WebOneWireScript (); return;
andrewboyson 103:91194cc19bbb 203 #endif
andrewboyson 103:91194cc19bbb 204 }
andrewboyson 103:91194cc19bbb 205
andrewboyson 103:91194cc19bbb 206 //If not called then call the derived (child) module
andrewboyson 103:91194cc19bbb 207 WebServerDerivedReply(todo);
andrewboyson 103:91194cc19bbb 208 }
andrewboyson 103:91194cc19bbb 209
andrewboyson 103:91194cc19bbb 210 int WebServerInit()
andrewboyson 103:91194cc19bbb 211 {
andrewboyson 103:91194cc19bbb 212 HttpRequestFunction = serverRequest;
andrewboyson 103:91194cc19bbb 213 HttpReplyFunction = serverReply;
andrewboyson 103:91194cc19bbb 214
andrewboyson 103:91194cc19bbb 215 WebLoginInit();
andrewboyson 103:91194cc19bbb 216
andrewboyson 103:91194cc19bbb 217 return 0;
andrewboyson 103:91194cc19bbb 218 }