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annotate http/src/luan/modules/http/shell.luan @ 503:92c3d22745b8

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make _ENV optional
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 20 May 2015 23:24:46 -0600
parents 55f9f74f1e55
children dbdf4b8193a8
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 300
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1 local Luan = require "luan:Luan"
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2 local ipairs = Luan.ipairs
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3 local load = Luan.load
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4 local try = Luan.try
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5 local Io = require "luan:Io"
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6 local print = Io.print
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7 local Debug = require "luan:Debug"
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8 local Http = require "luan:http/Http"
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9 local Html = require "luan:Html"
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10
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11 local M = {}
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12
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13 M.per_session = true
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14
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15 local history = {}
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16 M.env = {}
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17
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18 function M.respond()
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19 if Http.request.parameter.clear ~= nil then
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20 history = {}
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21 else
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22 local cmd = Http.request.parameter.cmd
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23 if cmd ~= nil then
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24 Io.stdout = {}
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25 function Io.stdout.write(...)
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26 for v in Luan.values(...) do
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27 history[#history+1] = v
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28 end
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29 end
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30 print( "% "..cmd )
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31 try {
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32 function()
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33 local line = load(cmd,"<web_shell>",M.env,true)
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34 Debug.print_if_something( line() )
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35 end;
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36 catch = function(e)
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37 Io.print_to(Io.stderr,e)
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38 print(e)
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39 end;
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40 }
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41 end
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42 end
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43
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44 Io.stdout = Http.response.text_writer()
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45 %>
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46 <html>
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47 <head>
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48 <% Html.simply_html_head() %>
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49 <title>Luan Shell</title>
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50 </head>
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51 <body>
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52 <div container>
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53 <h3>Luan Shell</h3>
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54 <p>This is a command shell. Enter commands below.</p>
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55 <pre><%
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56 for _,v in ipairs(history) do
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57 Io.stdout.write(v)
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58 end
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59 %></pre>
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60 <form name='form0' method='post'>
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61 % <input name='cmd' size="80" autofocus>
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62 <input type="submit" value="run" textcolor="white" bgcolor="#337ab7">
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63 <input type="submit" name="clear" value="clear" textcolor="white" bgcolor="#337ab7">
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64 </form>
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65 </div>
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66 <% Html.simply_html_body_bottom() %>
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67 </body>
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68 </html>
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69 <%
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70 end
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71
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72 return M