312 lines
9.5 KiB
Python
312 lines
9.5 KiB
Python
#!/usr/bin/python
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"""
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Scyther : An automatic verifier for security protocols.
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Copyright (C) 2007 Cas Cremers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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"""
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#---------------------------------------------------------------------------
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""" Import externals """
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import wx
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#---------------------------------------------------------------------------
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""" Import scyther-gui components """
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import Icon
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import Preference
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import Error
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#---------------------------------------------------------------------------
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try:
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import Image
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except ImportError:
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pass
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#---------------------------------------------------------------------------
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class AttackDisplay(wx.ScrolledWindow):
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"""
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Display an attack (inside a tab or not)
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"""
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def __init__(self, daddy, parent, attack):
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self.win = daddy
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self.attack = attack
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wx.ScrolledWindow.__init__(self,parent,id=-1)
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# [CC][X] The below statement might be iffy on older versions.
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# (Python 2.3? What settings?)
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# Cf. bug report Vimal Subra
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try:
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self.SetBackgroundColour(wx.Colour(255,255,255))
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except:
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pass
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self.Bind(wx.EVT_SIZE, self.OnSize)
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self.Image = wx.StaticBitmap(self, -1, wx.EmptyBitmap(1,1))
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self.box = wx.BoxSizer(wx.VERTICAL)
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self.box.Add(self.Image,1,wx.ALIGN_CENTER)
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self.hbox = wx.BoxSizer(wx.HORIZONTAL)
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self.hbox.Add(self.box,1,wx.ALIGN_CENTER)
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self.SetSizer(self.hbox)
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self.original = None
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filename = attack.file
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if attack.filetype == "png":
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self.original = wx.Image(filename,wx.BITMAP_TYPE_PNG)
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elif attack.filetype == "ps":
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# depends on PIL lib
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try:
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self.original = Image.open(filename)
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except:
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Preference.doNotUsePIL()
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raise Error.PILError
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else:
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print "Unknown file type %s." % (self.filetype)
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# TODO self.Bind(wxSizeEvent
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self.update(True)
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self.Fit()
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def OnSize(self,event):
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self.update(False)
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event.Skip()
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def update(self,force=True):
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if not force:
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if not self.win.fit:
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return
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# This is needed, don't ask me why.
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self.SetScrollbars(0,0,0,0,0,0)
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(framewidth,frameheight) = self.GetClientSizeTuple()
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(virtualwidth,virtualheight) = (framewidth,frameheight)
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def makefit(width,height):
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if self.win.fit:
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# determine scaling factors for fitting
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wfactor = float(framewidth) / width
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hfactor = float(frameheight) / height
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# select smallest factor (so it will fit)
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if hfactor < wfactor:
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factor = hfactor
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else:
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factor = wfactor
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# apply scaling factor
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width = width * factor
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height = height * factor
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else:
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factor = 1.0
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return (factor, int(width), int(height))
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if self.attack.filetype == "png":
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bmp = self.original
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if not bmp.Ok():
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bmp = wx.EmptyImage(1,1)
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else:
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(originalwidth,originalheight) = (bmp.GetWidth(), bmp.GetHeight())
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if self.win.fit:
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(factor, virtualwidth, virtualheight) = makefit(originalwidth,originalheight)
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bmp = self.original.Scale(virtualwidth,virtualheight)
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self.Image.SetBitmap(wx.BitmapFromImage(bmp))
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elif self.attack.filetype == "ps":
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pil = self.original.copy()
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(originalwidth,originalheight) = pil.size
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(factor, virtualwidth, virtualheight) = makefit(originalwidth,originalheight)
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# we really only want antialias when it's smaller
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if factor < 1.0:
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pil.thumbnail((virtualwidth,virtualheight),Image.ANTIALIAS)
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else:
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pil.thumbnail((virtualwidth,virtualheight))
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image = wx.EmptyImage(pil.size[0],pil.size[1])
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image.SetData(pil.convert('RGB').tostring())
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self.Image.SetBitmap(image.ConvertToBitmap())
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else:
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print "Unknown file type %s." % (self.attack.filetype)
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self.SetVirtualSize((virtualwidth,virtualheight))
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#self.box.SetItemMinSize(self.Image.GetContainingSizer())
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self.box.Layout()
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step = 20
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xn = int(virtualwidth / step) + 1
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yn = int(virtualheight / step) + 1
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self.SetScrollbars(step,step,xn,yn,0,0)
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"""
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Pop up menu
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"""
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self.popupmenu = wx.Menu()
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#item = self.popupmenu.Append(-1,"Export image")
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#self.Bind(wx.EVT_MENU, self.OnExportImage, item)
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item = self.popupmenu.Append(-1,"Export graphviz data (.dot)")
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self.Bind(wx.EVT_MENU, self.OnExportDot, item)
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self.Bind(wx.EVT_CONTEXT_MENU, self.OnShowPopup)
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self.Refresh()
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def OnShowPopup(self, event):
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pos = event.GetPosition()
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pos = self.Image.ScreenToClient(pos)
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self.PopupMenu(self.popupmenu, pos)
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def OnPopupItemSelected(self, event):
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item = self.popupmenu.FindItemById(event.GetId())
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text = item.GetText()
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wx.MessageBox("You selected item %s" % text)
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def askUserForFilename(self, **dialogOptions):
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dialog = wx.FileDialog(self, **dialogOptions)
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if dialog.ShowModal() == wx.ID_OK:
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res = "%s/%s" % (dialog.GetDirectory(), dialog.GetFilename())
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else:
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res = None
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dialog.Destroy()
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return res
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def saveFileType(self, ext, data):
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(p,r,l) = self.win.claim.triplet()
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prefix = "pattern-%s_%s_%s-%s" % (p,r,l,self.attack.id)
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suggested = "%s.%s" % (prefix,ext)
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res = self.askUserForFilename(style=wx.SAVE, wildcard="*.%s" % (ext), defaultFile = "%s" % (suggested))
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if res != None:
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fp = open(res,'w')
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fp.write(data)
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fp.close()
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def OnExportImage(self, event):
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self.saveFileType("ps",self.attack.scytherDot)
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def OnExportDot(self, event):
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self.saveFileType("dot",self.attack.scytherDot)
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#---------------------------------------------------------------------------
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class AttackWindow(wx.Frame):
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def __init__(self,cl):
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super(AttackWindow, self).__init__(None, size=(800,800))
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# [CC][X] Same here; no background set for safety.
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try:
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self.SetBackgroundColour('Default')
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except:
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pass
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self.claim = cl
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# TODO maybe fitting defaults should come from Preferences.
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# Now, it is default no even if we have PIL, for performance
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# reasons.
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self.fit = False
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self.CreateInteriorWindowComponents()
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Icon.ScytherIcon(self)
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self.SetTitle()
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def SetTitle(self):
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tstr = self.claim.stateName(len(self.claim.attacks),True)
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tstr += " for claim %s" % self.claim.id
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super(AttackWindow, self).SetTitle(tstr)
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def CreateInteriorWindowComponents(self):
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''' Create "interior" window components. In this case it is the
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attack picture. '''
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sizer = wx.BoxSizer(wx.VERTICAL)
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# Make zoom buttons
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if Preference.usePIL():
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buttons = wx.BoxSizer(wx.HORIZONTAL)
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bt = wx.ToggleButton(self,-1,"Fit to window")
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bt.SetValue(self.fit)
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buttons.Add(bt,0)
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self.Bind(wx.EVT_TOGGLEBUTTON, self.OnFit, bt)
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sizer.Add(buttons, 0, wx.ALIGN_LEFT)
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# Add attacks (possible with tabs)
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self.displays=[]
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attacks = self.claim.attacks
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n = len(attacks)
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if n <= 1:
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# Just a single window
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dp = AttackDisplay(self, self, attacks[0])
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self.displays.append(dp)
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else:
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# Multiple tabs
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dp = wx.Notebook(self,-1)
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for i in range(0,n):
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disp = AttackDisplay(self,dp,attacks[i])
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classname = "%s %i" % (self.claim.stateName(1,True),(i+1))
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dp.AddPage(disp, classname)
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self.displays.append(disp)
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sizer.Add(dp, 1, wx.EXPAND,1)
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self.SetSizer(sizer)
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def update(self,force=False):
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for t in self.displays:
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t.update(force)
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def OnFit(self,event):
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if self.fit:
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self.fit = False
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else:
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self.fit = True
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self.update(True)
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def OnRealSize(self):
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self.fit = False
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self.update(True)
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def OnSize(self):
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self.Refresh()
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def OnZoom100(self,evt):
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self.fit = False
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self.update(True)
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self.Refresh()
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def OnZoomFit(self,evt):
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self.fit = True
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self.update(True)
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self.Refresh()
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#---------------------------------------------------------------------------
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# vim: set ts=4 sw=4 et list lcs=tab\:>-:
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