interface.py

   1 #!/usr/bin/python
   2 import string,cgi,time
   3 from os import curdir, sep
   4 from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
   5 import posixpath, urllib, os
   6
   7 import framework
   8
   9 class MyHandler(BaseHTTPRequestHandler):
  10    def do_GET(self):
  11       if self.path.endswith(".afu"):
  12          self.AFU()
  13       else:
  14          f = self.send_head()
  15          if f:
  16             self.copyfile(f, self.wfile)
  17             f.close()
  18
  19    def do_HEAD(self):
  20      f = self.send_head()
  21      if f:
  22          f.close()
  23
  24    def send_head(self):
  25       path = self.translate_path(self.path)
  26       if os.path.isdir(path):
  27          self.send_error(403, "Directory listing not supported")
  28          return None
  29       try:
  30          f = open(path, 'rb')
  31       except IOError:
  32          self.send_error(404, "File not found")
  33          return None
  34       self.send_response(200)
  35       self.send_header("Content-type", self.guess_type(path))
  36       self.end_headers()
  37       return f
  38
  39    def translate_path(self, path):
  40       path = posixpath.normpath(urllib.unquote(path))
  41       words = string.splitfields(path, '/')
  42       words = filter(None, words)
  43       path = os.getcwd()
  44       for word in words:
  45          drive, word = os.path.splitdrive(word)
  46          head, word = os.path.split(word)
  47          if word in (os.curdir, os.pardir): continue
  48          path = os.path.join(path, word)
  49       return path
  50
  51    def copyfile(self, source, outputfile):
  52       BLOCKSIZE = 8192
  53       while 1:
  54          data = source.read(BLOCKSIZE)
  55          if not data: break
  56          outputfile.write(data)
  57
  58    def guess_type(self, path):
  59       base, ext = posixpath.splitext(path)
  60       if self.extensions_map.has_key(ext):
  61          return self.extensions_map[ext]
  62       ext = string.lower(ext)
  63       if self.extensions_map.has_key(ext):
  64          return self.extensions_map[ext]
  65       else:
  66          return self.extensions_map['']
  67
  68    extensions_map = {
  69       '': 'text/plain',   # Default, *must* be present
  70       '.html': 'text/html',
  71       '.htm': 'text/html',
  72       '.gif': 'image/gif',
  73       '.jpg': 'image/jpeg',
  74       '.jpeg': 'image/jpeg',
  75       }
  76
  77    def AFU(self):
  78       if self.path.endswith("a.afu") or self.path.endswith("b.afu") or self.path.endswith("c.afu") or self.path.endswith("d.afu"):
  79          answer = (self.path.split("/")[-1]).replace(".afu","")
  80          if not f.EvalQuestion (answer):
  81             self.WrongAnswer()
  82          else:
  83             self.AskQuestion()
  84       elif self.path.endswith("hint.afu"):
  85          self.DisplayHint()
  86       elif self.path.endswith("menue.afu"):
  87          self.DisplayMenu()
  88       elif self.path.endswith("askquestion.afu"):
  89          self.AskQuestion()
  90       elif self.path.endswith("showquestion.afu"):
  91          self.AskQuestion(update=False)
  92       else:
  93          self.StartDisplay()
  94
  95    def ShowHead(self):
  96       self.base="http://127.0.0.1:8080"
  97       self.stylefile=self.base+"/style.css"
  98
  99       self.wfile.write ("<html><head><base href="+self.base+"/Questions/>")
 100       self.wfile.write ("<link href="+self.stylefile+" rel=stylesheet type=text/css>")
 101       self.wfile.write ("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf8\">")
 102
 103       self.wfile.write ("<SCRIPT LANGUAGE=\"JavaScript\">")
 104       self.wfile.write ("document.onkeydown = eval_key;            ")
 105       self.wfile.write ("function eval_key (e) {")
 106       self.wfile.write ("var keycode; if (window.event) keycode = window.event.keyCode; else if (e) keycode = e.which;")
 107       self.wfile.write ("if (keycode == 65) {         window.alert(\"abc\");window.location = \""+self.base+"/a.afu\";")
 108       self.wfile.write ("} else if (keycode == 67) {  window.location = \""+self.base+"/b.afu\";")
 109       self.wfile.write ("} else if (keycode == 68) {  window.location = \""+self.base+"/c.afu\";")
 110       self.wfile.write ("} else if (keycode == 69) {  window.location = \""+self.base+"/d.afu\";")
 111       self.wfile.write ("}")
 112       self.wfile.write ("</script>")
 113
 114       self.wfile.write ("</head><body>")
 115
 116    def DisplayHint(self):
 117       self.SendHeader()
 118       print "Hint:",f.hint
 119       self.wfile.write ("<html><head><meta http-equiv=refresh content=\"0; URL=/"+f.hint+"\"></head></html>")
 120
 121    def SendHeader(self):
 122       self.send_response(200)
 123       self.send_header('Content-type', 'text/html')
 124       self.end_headers()
 125
 126    def DisplayQuestion(self):
 127       self.wfile.write("<div class=id>"+f.id+"</div>")
 128       self.wfile.write("<div class=question>")
 129       self.wfile.write(f.question.encode("utf8"))
 130       self.wfile.write("</div>")
 131       self.wfile.write("<div class=statistics>Richtig: "+f.correct+" <br>Falsch: "+f.wrong+"</div>")
 132
 133    def WrongAnswer(self):
 134       self.SendHeader()
 135       self.ShowHead()
 136       self.wfile.write("<div class=wronganswer>Falsche Antwort</div>")
 137       self.DisplayQuestion()
 138       self.wfile.write("<div class=correctanswer>"+f.answercorrect.encode("utf8")+"</div>")
 139
 140
 141    def StartDisplay(self):
 142       self.SendHeader()
 143       self.base="http://127.0.0.1:8080"
 144
 145       self.wfile.write("<frameset border=0 frameborder=0 framespacing=0 marginwidth=0 rows=30px,*>")
 146       self.wfile.write("<frame name=menue src=menue.afu scrolling=no noresize>")
 147       self.wfile.write("<frame name=main src=askquestion.afu scrolling=auto noresize>")
 148       self.wfile.write("</frameset>")
 149
 150    def AskQuestion(self,update=True):
 151       self.base="http://127.0.0.1:8080"
 152       self.ShowHead()
 153       self.wfile.write("<body>")
 154
 155       if update:
 156          f.AskQuestion()
 157
 158       self.DisplayQuestion()
 159
 160       self.wfile.write("<div class=answer>")
 161       self.wfile.write("<a href="+self.base+"/a.afu class=button1>A</a>"+f.answera.encode("utf8")+"<br>")
 162       self.wfile.write("<a href="+self.base+"/b.afu class=button1>B</a>"+f.answerb.encode("utf8")+"<br>")
 163       self.wfile.write("<a href="+self.base+"/c.afu class=button1>C</a>"+f.answerc.encode("utf8")+"<br>")
 164       self.wfile.write("<a href="+self.base+"/d.afu class=button1>D</a>"+f.answerd.encode("utf8")+"<br>")
 165       self.wfile.write("</div>")
 166
 167       self.wfile.write("<div class=button>")
 168       self.wfile.write("<a href="+self.base+"/a.afu class=button>A</a>")
 169       self.wfile.write("<a href="+self.base+"/b.afu class=button>B</a>")
 170       self.wfile.write("<a href="+self.base+"/c.afu class=button>C</a>")
 171       self.wfile.write("<a href="+self.base+"/d.afu class=button>D</a>")
 172       self.wfile.write("</div>")
 173
 174       self.wfile.write("<div class=hint>")
 175       self.wfile.write("<a href="+self.base+"/hint.afu target=hint>Hinweis</a></div>")
 176
 177       self.wfile.write("</body></html>")
 178
 179    def DisplayMenu(self):
 180       self.SendHeader()
 181       self.base="http://127.0.0.1:8080"
 182       self.stylefile=self.base+"/style.css"
 183
 184       self.wfile.write("<html><head><base target=main><link href="+self.stylefile+" rel=stylesheet type=text/css></head>")
 185       self.wfile.write("<body class=menue><div class=menue>")
 186       self.wfile.write("<a class=menue href="+self.base+"/askquestion.afu>Abfragen</a>")
 187       self.wfile.write("<a class=menue href="+self.base+"/showquestion.afu>Zur&uuml;ck zur Frage</a>")
 188       self.wfile.write("<a class=menue href="+self.base+"/method.afu>Abfragemethode</a>")
 189       self.wfile.write("<a class=menue href="+self.base+"/statistic.afu>Statistik</a>")
 190       self.wfile.write("</div></body></html>")
 191
 192
 193    def do_POST(self):
 194       global rootnode
 195       ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
 196       if ctype == 'multipart/form-data':
 197           query=cgi.parse_multipart(self.rfile, pdict)
 198       self.send_response(301)
 199
 200       self.end_headers()
 201       upfilecontent = query.get('upfile')
 202       print "filecontent", upfilecontent[0]
 203       self.wfile.write("<HTML>POST OK.<BR><BR>");
 204       self.wfile.write(upfilecontent[0]);
 205
 206 def main():
 207    try:
 208       global f
 209       f = framework.Framework()
 210       server = HTTPServer(('', 8080), MyHandler)
 211       print 'started httpserver...'
 212       server.serve_forever()
 213    except KeyboardInterrupt:
 214       print '^C received, shutting down server'
 215       server.socket.close()
 216
 217 if __name__ == '__main__':
 218     main()