summaryrefslogtreecommitdiff
path: root/sleekxmpp/plugins/xep_0004.py
blob: ee6646fa30a892fa5d1a7c939059da80d6e678c1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
"""
	SleekXMPP: The Sleek XMPP Library
	Copyright (C) 2007  Nathanael C. Fritz
	This file is part of SleekXMPP.

	SleekXMPP is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	SleekXMPP is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with SleekXMPP; if not, write to the Free Software
	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""
from . import base
import logging
from xml.etree import cElementTree as ET
import copy
#TODO support item groups and results

class xep_0004(base.base_plugin):
	
	def plugin_init(self):
		self.xep = '0004'
		self.description = 'Data Forms'
		self.xmpp.add_handler("<message><x xmlns='jabber:x:data' /></message>", self.handler_message_xform)
	
	def post_init(self):
		self.xmpp['xep_0030'].add_feature('jabber:x:data')
	
	def handler_message_xform(self, xml):
		object = self.handle_form(xml)
		self.xmpp.event("message_form", object)
	
	def handler_presence_xform(self, xml):
		object = self.handle_form(xml)
		self.xmpp.event("presence_form", object)
	
	def handle_form(self, xml):
		xmlform = xml.find('{jabber:x:data}x')
		object = self.buildForm(xmlform)
		self.xmpp.event("message_xform", object)
		return object
	
	def buildForm(self, xml):
		form = Form(xml.attrib['type'])
		form.fromXML(xml)
		return form

	def makeForm(self, ftype='form', title='', instructions=''):
		return Form(self.xmpp, ftype, title, instructions)

class FieldContainer(object):
	def __init__(self, stanza = 'form'):
		self.fields = []
		self.field = {}
		self.stanza = stanza
	
	def addField(self, var, ftype='text-single', label='', desc='', required=False, value=None):
		self.field[var] = FormField(var, ftype, label, desc, required, value)
		self.fields.append(self.field[var])
		return self.field[var]
	
	def buildField(self, xml):
		self.field[xml.get('var', '__unnamed__')] = FormField(xml.get('var', '__unnamed__'), xml.get('type', 'text-single'))
		self.fields.append(self.field[xml.get('var', '__unnamed__')])
		self.field[xml.get('var', '__unnamed__')].buildField(xml)

	def buildContainer(self, xml):
		self.stanza = xml.tag
		for field in xml.findall('{jabber:x:data}field'):
			self.buildField(field)
	
	def getXML(self, ftype):
		container = ET.Element(self.stanza)
		for field in self.fields:
			container.append(field.getXML(ftype))
		return container
	
class Form(FieldContainer):
	types = ('form', 'submit', 'cancel', 'result')
	def __init__(self, xmpp=None, ftype='form', title='', instructions=''):
		if not ftype in self.types:
			raise ValueError("Invalid Form Type")
		FieldContainer.__init__(self)
		self.xmpp = xmpp
		self.type = ftype
		self.title = title
		self.instructions = instructions
		self.reported = []
		self.items = []
	
	def merge(self, form2):
		form1 = Form(self.xmpp, self.type, self.title, self.instructions)
		form1.fromXML(self.getXML(self.type))
		for field in form2.fields:
			if not field.var in form1.fields:
				form1.addField(field.var, field.type, field.label, field.desc, field.required, field.value):
			else:
				form1.fields[field.var].value = field.value
			for option, label in field.options:
				if (option, label) not in form1.fields[field.var].options:
					form1.fields[field.var].addOption(option, label)
		return form1
	
	def getValues(self):
		result = {}
		for field in self.fields:
			value = field.value
			if len(value) == 1:
				value = value[0]
			result[field.var] = value
		return result
	
	def fromXML(self, xml):
		self.buildForm(xml)
	
	def addItem(self):
		newitem = FieldContainer('item')
		self.items.append(newitem)
		return newitem

	def buildItem(self, xml):
		newitem = self.addItem()
		newitem.buildContainer(xml)

	def addReported(self):
		reported = FieldContainer('reported')
		self.reported.append(reported)
		return reported

	def buildReported(self, xml):
		reported = self.addReported()
		reported.buildContainer(xml)
	
	def setTitle(self, title):
		self.title = title
	
	def setInstructions(self, instructions):
		self.instructions = instructions
	
	def setType(self, ftype):
		self.type = ftype
	
	def getXMLMessage(self, to):
		msg = self.xmpp.makeMessage(to)
		msg.append(self.getXML())
		return msg
	
	def buildForm(self, xml):
		self.type = xml.get('type', 'form')
		if xml.find('{jabber:x:data}title') is not None:
			self.setTitle(xml.find('{jabber:x:data}title').text)
		if xml.find('{jabber:x:data}instructions') is not None:
			self.setInstructions(xml.find('{jabber:x:data}instructions').text)
		for field in xml.findall('{jabber:x:data}field'):
			self.buildField(field)
		for reported in xml.findall('{jabber:x:data}reported'):
			self.buildReported(reported)
		for item in xml.findall('{jabber:x:data}item'):
			self.buildItem(item)
	
	#def getXML(self, tostring = False):
	def getXML(self, ftype=None):
		logging.debug("creating form as %s" % ftype)
		if ftype:
			self.type = ftype
		form = ET.Element('{jabber:x:data}x')
		form.attrib['type'] = self.type
		if self.title and self.type in ('form', 'result'):
			title = ET.Element('title')
			title.text = self.title
			form.append(title)
		if self.instructions and self.type == 'form':
			instructions = ET.Element('instructions')
			instructions.text = self.instructions
			form.append(instructions)
		for field in self.fields:
			form.append(field.getXML(self.type))
		for reported in self.reported:
			form.append(reported.getXML('reported'))
		for item in self.items:
			form.append(item.getXML(self.type))
		#if tostring:
		#	form = self.xmpp.tostring(form)
		return form
	
	def getXHTML(self):
		form = ET.Element('{http://www.w3.org/1999/xhtml}form')
		if self.title:
			title = ET.Element('h2')
			title.text = self.title
			form.append(title)
		if self.instructions:
			instructions = ET.Element('p')
			instructions.text = self.instructions
			form.append(instructions)
		for field in self.fields:
			form.append(field.getXHTML())
		for field in self.reported:
			form.append(field.getXHTML())
		for field in self.items:
			form.append(field.getXHTML())
		return form
		
	
	def makeSubmit(self):
		self.setType('submit')

class FormField(object):
	types = ('boolean', 'fixed', 'hidden', 'jid-multi', 'jid-single', 'list-multi', 'list-single', 'text-multi', 'text-private', 'text-single')
	listtypes = ('jid-multi', 'jid-single', 'list-multi', 'list-single')
	lbtypes = ('fixed', 'text-multi')
	def __init__(self, var, ftype='text-single', label='', desc='', required=False, value=None):
		if not ftype in self.types:
			raise ValueError("Invalid Field Type")
		self.type = ftype
		self.var = var
		self.label = label
		self.desc = desc
		self.options = []
		self.required = False
		self.value = []
		if self.type in self.listtypes:
			self.islist = True
		else:
			self.islist = False
		if self.type in self.lbtypes:
			self.islinebreak = True
		else:
			self.islinebreak = False
		if value:
			self.setValue(value)
	
	def addOption(self, value, label):
		if self.islist:
			self.options.append((value, label))
		else:
			raise ValueError("Cannot add options to non-list type field.")
	
	def setTrue(self):
		if self.type == 'boolean':
			self.value = [True]

	def setFalse(self):
		if self.type == 'boolean':
			self.value = [False]

	def require(self):
		self.required = True
	
	def setDescription(self, desc):
		self.desc = desc
	
	def setValue(self, value):
		if self.islinebreak and value is not None:
			self.value += value.split('\n')
		else:
			if len(self.value) and (not self.islist or self.type == 'list-single'):
				self.value = [value]
			else:
				self.value.append(value)

	def delValue(self, value):
		if type(self.value) == type([]):
			try:
				idx = self.value.index(value)
				if idx != -1:
					self.value.pop(idx)
			except ValueError:
				pass
		else:
			self.value = ''
	
	def setAnswer(self, value):
		self.setValue(value)
	
	def buildField(self, xml):
		self.type = xml.get('type', 'text-single')
		self.label = xml.get('label', '')
		for option in xml.findall('{jabber:x:data}option'):
			self.addOption(option.find('{jabber:x:data}value').text, option.get('label', ''))
		for value in xml.findall('{jabber:x:data}value'):
			self.setValue(value.text)
		if xml.find('{jabber:x:data}required') is not None:
			self.require()
		if xml.find('{jabber:x:data}desc') is not None:
			self.setDescription(xml.find('{jabber:x:data}desc').text)
	
	def getXML(self, ftype):
		field = ET.Element('field')
		if ftype != 'result':
			field.attrib['type'] = self.type
		if self.type != 'fixed':
			if self.var:
				field.attrib['var'] = self.var
			if self.label:
				field.attrib['label'] = self.label
		if ftype == 'form':
			for option in self.options:
				optionxml = ET.Element('option')
				optionxml.attrib['label'] = option[1]
				optionval = ET.Element('value')
				optionval.text = option[0]
				optionxml.append(optionval)
				field.append(optionxml)
			if self.required:
				required = ET.Element('required')
				field.append(required)
			if self.desc:
				desc = ET.Element('desc')
				desc.text = self.desc
				field.append(desc)
		for value in self.value:
			valuexml = ET.Element('value')
			if value is True or value is False:
				if value:
					valuexml.text = '1'
				else:
					valuexml.text = '0'
			else:
				valuexml.text = value
			field.append(valuexml)
		return field
	
	def getXHTML(self):
		field = ET.Element('div', {'class': 'xmpp-xforms-%s' % self.type})
		if self.label:
			label = ET.Element('p')
			label.text = "%s: " % self.label
		else:
			label = ET.Element('p')
			label.text = "%s: " % self.var
		field.append(label)
		if self.type == 'boolean':
			formf = ET.Element('input', {'type': 'checkbox', 'name': self.var})
			if len(self.value) and self.value[0] in (True, 'true', '1'):
				formf.attrib['checked'] = 'checked'
		elif self.type == 'fixed':
			formf = ET.Element('p')
			try:
				formf.text = ', '.join(self.value)
			except:
				pass
			field.append(formf)
			formf = ET.Element('input', {'type': 'hidden', 'name': self.var})
			try:
				formf.text = ', '.join(self.value)
			except:
				pass
		elif self.type == 'hidden':
			formf = ET.Element('input', {'type': 'hidden', 'name': self.var})
			try:
				formf.text = ', '.join(self.value)
			except:
				pass
		elif self.type in ('jid-multi', 'list-multi'):
			formf = ET.Element('select', {'name': self.var})
			for option in self.options:
				optf = ET.Element('option', {'value': option[0], 'multiple': 'multiple'})
				optf.text = option[1]
				if option[1] in self.value:
					optf.attrib['selected'] = 'selected'
				formf.append(option)
		elif self.type in ('jid-single', 'text-single'):
			formf = ET.Element('input', {'type': 'text', 'name': self.var})
			try:
				formf.attrib['value'] = ', '.join(self.value)
			except:
				pass
		elif self.type == 'list-single':
			formf = ET.Element('select', {'name': self.var})
			for option in self.options:
				optf = ET.Element('option', {'value': option[0]})
				optf.text = option[1]
				if not optf.text:
					optf.text = option[0]
				if option[1] in self.value:
					optf.attrib['selected'] = 'selected'
				formf.append(optf)
		elif self.type == 'text-multi':
			formf = ET.Element('textarea', {'name': self.var})
			try:
				formf.text = ', '.join(self.value)
			except:
				pass
			if not formf.text:
				formf.text = ' '
		elif self.type == 'text-private':
			formf = ET.Element('input', {'type': 'password', 'name': self.var})
			try:
				formf.attrib['value'] = ', '.join(self.value)
			except:
				pass
		label.append(formf)
		return field