From b1d5f9fc3559d3eeb8ab81cd7a831248a57b30c3 Mon Sep 17 00:00:00 2001
From: roa <r.abraham@mueller-wulff.com>
Date: Sun, 4 Mar 2012 23:17:00 +0100
Subject: [PATCH] initial

---
 .gitignore |  3 +++
 README     |  1 +
 main.lua   | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README
 create mode 100644 main.lua

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d0431d6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.html
+*.ico
+*.so
diff --git a/README b/README
new file mode 100644
index 0000000..a1b2e0e
--- /dev/null
+++ b/README
@@ -0,0 +1 @@
+Webserver written in Lua
diff --git a/main.lua b/main.lua
new file mode 100644
index 0000000..dfbedbd
--- /dev/null
+++ b/main.lua
@@ -0,0 +1,77 @@
+#/usr/bin/lua
+
+function getRequest (request)
+    local s = 0
+    local e = 0
+    local list = {}
+    for counter = 1, 3, 1 do
+        e = request:find( " ", s )
+        if e == nil then break 
+        else
+            local tmpstr = request:sub( s, e - 1 )
+            list[counter] = tmpstr
+            s = e + 1
+        end
+    end
+    return list
+end
+
+function answerRequest (request)
+    request = cutTrailingSlash( request )
+    local fh , err = io.open( "./" .. request, "r" )
+    if fh == nil then
+        fh , err = io.open( "./error.html", "r" )
+    end
+    return prepareHeader() .. prepareContent( fh )
+end
+
+function prepareHeader ()
+    local status = 'HTTP/1.1 200 OK\r\n'
+    local date   = 'Date: Sun, 04 Mar 2012 18:54:40 GMT\r\n'
+    local servername = 'Server: Apache/2.2.14 (Ubuntu)\r\n'
+    local conn = 'Connection: close\r\n'
+    local contenttype = 'Content-Type: text/html; charset=iso-8859-1\r\n\r\n'
+
+    local html = ""
+    html = html .. status
+    html = html .. date
+    html = html .. servername
+    html = html .. conn
+    html = html .. contenttype
+    return html
+end
+
+function prepareContent (fh)
+    local html = ""
+    while true do
+        local line = fh.read(fh)
+        if not line then break end
+        html = html .. line
+    end
+    return html
+end
+
+function cutTrailingSlash (string)
+    if string:find( "/" ) == 1 then
+        return string:sub( 2 )
+    end
+end
+
+local socket = require( "socket" )
+
+local server = assert( socket.bind( "127.0.0.1", "9035" ) )
+
+local ip, port = server:getsockname()
+
+while 1 do
+    local client = server:accept()
+    client:settimeout(10)
+    local line, err = client:receive()
+    if not err then
+        local getList = getRequest(line)
+        if getList[1] == "GET" then
+            client:send( answerRequest( getList[2] ) )
+        end
+    end
+    client:close()
+end