From 1ef8f5be2c171699950bf5c16059a74ff5705483 Mon Sep 17 00:00:00 2001
From: Karai Csaba <cskarai@freemail.hu>
Date: Sat, 30 Apr 2016 22:08:12 +0200
Subject: [PATCH] Web server shows user pages

---
 esp-link/main.c    |  3 +++
 espfs/espfs.c      |  8 +++++---
 espfs/espfs.h      |  3 ++-
 httpd/httpdespfs.c | 18 +++++++++++++++++-
 httpd/httpdespfs.h |  2 ++
 5 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/esp-link/main.c b/esp-link/main.c
index e572f03..06aa61e 100644
--- a/esp-link/main.c
+++ b/esp-link/main.c
@@ -152,10 +152,13 @@ void user_init(void) {
   wifiInit();
   // init the flash filesystem with the html stuff
   espFsInit(espLinkCtx, &_binary_espfs_img_start, ESPFS_MEMORY);
+  
   //EspFsInitResult res = espFsInit(&_binary_espfs_img_start);
   //os_printf("espFsInit %s\n", res?"ERR":"ok");
   // mount the http handlers
   httpdInit(builtInUrls, 80);
+  httpdespfsInit();
+  
   // init the wifi-serial transparent bridge (port 23)
   serbridgeInit(23, 2323);
   uart_add_recv_cb(&serbridgeUartCb);
diff --git a/espfs/espfs.c b/espfs/espfs.c
index 6389b08..8657fd4 100644
--- a/espfs/espfs.c
+++ b/espfs/espfs.c
@@ -42,10 +42,10 @@ It's written for use with httpd, but doesn't need to be used as such.
 #include "espfs.h"
 
 EspFsContext espLinkCtxDef;
-EspFsContext userCtxDef;
+EspFsContext userPageCtxDef;
 
 EspFsContext * espLinkCtx = &espLinkCtxDef;
-EspFsContext * userCtx = &userCtxDef;
+EspFsContext * userPageCtx = &userPageCtxDef;
 
 struct EspFsContext
 {
@@ -247,5 +247,7 @@ void ICACHE_FLASH_ATTR espFsClose(EspFsFile *fh) {
 	os_free(fh);
 }
 
-
+int ICACHE_FLASH_ATTR espFsIsValid(EspFsContext *ctx) {
+	return ctx->valid;
+}
 
diff --git a/espfs/espfs.h b/espfs/espfs.h
index 8e4b79f..cab1896 100644
--- a/espfs/espfs.h
+++ b/espfs/espfs.h
@@ -16,10 +16,11 @@ typedef struct EspFsFile EspFsFile;
 typedef struct EspFsContext EspFsContext;
 
 extern EspFsContext * espLinkCtx;
-extern EspFsContext * userCtx;
+extern EspFsContext * userPageCtx;
 
 EspFsInitResult espFsInit(EspFsContext *ctx, void *flashAddress, EspFsSource source);
 EspFsFile *espFsOpen(EspFsContext *ctx, char *fileName);
+int espFsIsValid(EspFsContext *ctx);
 int espFsFlags(EspFsFile *fh);
 int espFsRead(EspFsFile *fh, char *buff, int len);
 void espFsClose(EspFsFile *fh);
diff --git a/httpd/httpdespfs.c b/httpd/httpdespfs.c
index 9ab2865..8beadca 100644
--- a/httpd/httpdespfs.c
+++ b/httpd/httpdespfs.c
@@ -13,11 +13,20 @@ Connector to let httpd use the espfs filesystem to serve the files in it.
  * ----------------------------------------------------------------------------
  */
 #include "httpdespfs.h"
+#include "config.h"
 
 // The static files marked with FLAG_GZIP are compressed and will be served with GZIP compression.
 // If the client does not advertise that he accepts GZIP send following warning message (telnet users for e.g.)
 static const char *gzipNonSupportedMessage = "HTTP/1.0 501 Not implemented\r\nServer: esp8266-httpd/"HTTPDVER"\r\nConnection: close\r\nContent-Type: text/plain\r\nContent-Length: 52\r\n\r\nYour browser does not accept gzip-compressed data.\r\n";
 
+void ICACHE_FLASH_ATTR httpdespfsInit()
+{
+	espFsInit(userPageCtx, (void *)getUserPageSectionStart(), ESPFS_FLASH);
+	if( espFsIsValid( userPageCtx ) )
+		os_printf("Valid user file system found!\n");
+	else
+		os_printf("No user file system found!\n");
+}
 
 //This is a catch-all cgi function. It takes the url passed to it, looks up the corresponding
 //path in the filesystem and if it exists, passes the file through. This simulates what a normal
@@ -42,7 +51,14 @@ cgiEspFsHook(HttpdConnData *connData) {
 		//First call to this cgi. Open the file so we can read it.
 		file=espFsOpen(espLinkCtx, connData->url);
 		if (file==NULL) {
-			return HTTPD_CGI_NOTFOUND;
+			if( espFsIsValid(userPageCtx) )
+			{
+				file = espFsOpen(userPageCtx, connData->url );
+				if( file == NULL )
+					return HTTPD_CGI_NOTFOUND;
+			}
+			else
+				return HTTPD_CGI_NOTFOUND;
 		}
 
 		// The gzip checking code is intentionally without #ifdefs because checking
diff --git a/httpd/httpdespfs.h b/httpd/httpdespfs.h
index 847a8b6..95c5f50 100644
--- a/httpd/httpdespfs.h
+++ b/httpd/httpdespfs.h
@@ -7,6 +7,8 @@
 #include "cgi.h"
 #include "httpd.h"
 
+void httpdespfsInit();
+
 int cgiEspFsHook(HttpdConnData *connData);
 //int cgiEspFsTemplate(HttpdConnData *connData);
 //int ICACHE_FLASH_ATTR cgiEspFsHtml(HttpdConnData *connData);