diff options
Diffstat (limited to 'sleekxmpp/plugins/xep_0004.py')
-rw-r--r-- | sleekxmpp/plugins/xep_0004.py | 732 |
1 files changed, 326 insertions, 406 deletions
diff --git a/sleekxmpp/plugins/xep_0004.py b/sleekxmpp/plugins/xep_0004.py index 015bd8bc..037fc090 100644 --- a/sleekxmpp/plugins/xep_0004.py +++ b/sleekxmpp/plugins/xep_0004.py @@ -1,427 +1,347 @@ """ SleekXMPP: The Sleek XMPP Library - Copyright (C) 2007 Nathanael C. Fritz + Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout 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 + See the file LICENSE for copying permission. """ -from . import base + import logging -from xml.etree import cElementTree as ET import copy -#TODO support item groups and results +from . import base +from .. xmlstream.handler.callback import Callback +from .. xmlstream.matcher.xpath import MatchXPath +from .. xmlstream.stanzabase import registerStanzaPlugin, ElementBase, ET, JID +from .. stanza.message import Message -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): - base.base_plugin.post_init(self) - self.xmpp.plugin['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(ftype=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 = [] + +class Form(ElementBase): + namespace = 'jabber:x:data' + name = 'x' + plugin_attrib = 'form' + interfaces = set(('fields', 'instructions', 'items', 'reported', 'title', 'type', 'values')) + sub_interfaces = set(('title',)) + form_types = set(('cancel', 'form', 'result', 'submit')) + + def setup(self, xml=None): + if ElementBase.setup(self, xml): #if we had to generate xml + self['type'] = 'form' + + def addField(self, var='', ftype=None, label='', desc='', required=False, value=None, options=None, **kwargs): + kwtype = kwargs.get('type', None) + if kwtype is None: + kwtype = ftype + + field = FormField(parent=self) + field['var'] = var + field['type'] = kwtype + field['label'] = label + field['desc'] = desc + field['required'] = required + field['value'] = value + if options is not None: + field['options'] = options + return field + + def getXML(self): + logging.warning("Form.getXML() is deprecated API compatibility with plugins/old_0004.py") + return self.xml - def merge(self, form2): - form1 = Form(ftype=self.type) - form1.fromXML(self.getXML(self.type)) - for field in form2.fields: - if not field.var in form1.field: - form1.addField(field.var, field.type, field.label, field.desc, field.required, field.value) + def fromXML(self, xml): + logging.warning("Form.fromXML() is deprecated API compatibility with plugins/old_0004.py") + n = Form(xml=xml) + return n + + def addItem(self, values): + itemXML = ET.Element('{%s}item' % self.namespace) + self.xml.append(itemXML) + reported_vars = self['reported'].keys() + for var in reported_vars: + fieldXML = ET.Element('{%s}field' % FormField.namespace) + itemXML.append(fieldXML) + field = FormField(xml=fieldXML) + field['var'] = var + field['value'] = values.get(var, None) + + def addReported(self, var, ftype=None, label='', desc='', **kwargs): + kwtype = kwargs.get('type', None) + if kwtype is None: + kwtype = ftype + reported = self.xml.find('{%s}reported' % self.namespace) + if reported is None: + reported = ET.Element('{%s}reported' % self.namespace) + self.xml.append(reported) + fieldXML = ET.Element('{%s}field' % FormField.namespace) + reported.append(fieldXML) + field = FormField(xml=fieldXML) + field['var'] = var + field['type'] = kwtype + field['label'] = label + field['desc'] = desc + return field + + def cancel(self): + self['type'] = 'cancel' + + def delFields(self): + fieldsXML = self.xml.findall('{%s}field' % FormField.namespace) + for fieldXML in fieldsXML: + self.xml.remove(fieldXML) + + def delInstructions(self): + instsXML = self.xml.findall('{%s}instructions') + for instXML in instsXML: + self.xml.remove(instXML) + + def delItems(self): + itemsXML = self.xml.find('{%s}item' % self.namespace) + for itemXML in itemsXML: + self.xml.remove(itemXML) + + def delReported(self): + reportedXML = self.xml.find('{%s}reported' % self.namespace) + if reportedXML is not None: + self.xml.remove(reportedXML) + + def getFields(self, use_dict=False): + fields = {} if use_dict else [] + fieldsXML = self.xml.findall('{%s}field' % FormField.namespace) + for fieldXML in fieldsXML: + field = FormField(xml=fieldXML) + if use_dict: + fields[field['var']] = field else: - form1.field[field.var].value = field.value - for option, label in field.options: - if (option, label) not in form1.field[field.var].options: - form1.fields[field.var].addOption(option, label) - return form1 - - def copy(self): - newform = Form(ftype=self.type) - newform.fromXML(self.getXML(self.type)) - return newform - - def update(self, form): - values = form.getValues() - for var in values: - if var in self.fields: - self.fields[var].setValue(self.fields[var]) - + fields.append((field['var'], field)) + return fields + + def getInstructions(self): + instructions = '' + instsXML = self.xml.findall('{%s}instructions' % self.namespace) + return "\n".join([instXML.text for instXML in instsXML]) + + def getItems(self): + items = [] + itemsXML = self.xml.findall('{%s}item' % self.namespace) + for itemXML in itemsXML: + item = {} + fieldsXML = itemXML.findall('{%s}field' % FormField.namespace) + for fieldXML in fieldsXML: + field = FormField(xml=fieldXML) + item[field['var']] = field['value'] + items.append(item) + return items + + def getReported(self): + fields = {} + fieldsXML = self.xml.findall('{%s}reported/{%s}field' % (self.namespace, + FormField.namespace)) + for fieldXML in fieldsXML: + field = FormField(xml=fieldXML) + fields[field['var']] = field + return fields + 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 setValues(self, values={}): - for field in values: - if field in self.field: - if isinstance(values[field], list) or isinstance(values[field], tuple): - for value in values[field]: - self.field[field].setValue(value) - else: - self.field[field].setValue(values[field]) - - 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 - + values = {} + fields = self.getFields(use_dict=True) + for var in fields: + values[var] = fields[var]['value'] + return values + + def reply(self): + if self['type'] == 'form': + self['type'] = 'submit' + elif self['type'] == 'submit': + self['type'] = 'result' + + def setFields(self, fields, default=None): + del self['fields'] + for field_data in fields: + var = field_data[0] + field = field_data[1] + field['var'] = var + + self.addField(**field) + 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): - 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('{jabber:x:data}title') - title.text = self.title - form.append(title) - if self.instructions and self.type == 'form': - instructions = ET.Element('{jabber:x:data}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('{jabber:x:data}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 + del self['instructions'] + if instructions in [None, '']: + return + instructions = instructions.split('\n') + for instruction in instructions: + inst = ET.Element('{%s}instructions' % self.namespace) + inst.text = instruction + self.xml.append(inst) + + def setItems(self, items): + for item in items: + self.addItem(item) + + def setReported(self, reported, default=None): + for var in reported: + field = reported[var] + field['var'] = var + self.addReported(var, **field) + + def setValues(self, values): + fields = self.getFields(use_dict=True) + for field in values: + fields[field]['value'] = values[field] + + +class FormField(ElementBase): + namespace = 'jabber:x:data' + name = 'field' + plugin_attrib = 'field' + interfaces = set(('answer', 'desc', 'required', 'value', 'options', 'label', 'type', 'var')) + sub_interfaces = set(('desc',)) + field_types = set(('boolean', 'fixed', 'hidden', 'jid-multi', 'jid-single', 'list-multi', + 'list-single', 'text-multi', 'text-private', 'text-single')) + multi_value_types = set(('hidden', 'jid-multi', 'list-multi', 'text-multi')) + multi_line_types = set(('hidden', 'text-multi')) + option_types = set(('list-multi', 'list-single')) + true_values = set((True, '1', 'true')) + + def addOption(self, label='', value=''): + if self['type'] in self.option_types: + opt = FieldOption(parent=self) + opt['label'] = label + opt['value'] = value else: - self.islinebreak = False - if value: - self.setValue(value) - - def addOption(self, value, label): - if self.islist: - self.options.append((value, label)) + raise ValueError("Cannot add options to a %s field." % self['type']) + + def delOptions(self): + optsXML = self.xml.findall('{%s}option' % self.namespace) + for optXML in optsXML: + self.xml.remove(optXML) + + def delRequired(self): + reqXML = self.xml.find('{%s}required' % self.namespace) + if reqXML is not None: + self.xml.remove(reqXML) + + def delValue(self): + valsXML = self.xml.findall('{%s}value' % self.namespace) + for valXML in valsXML: + self.xml.remove(valXML) + + def getAnswer(self): + return self.getValue() + + def getOptions(self): + options = [] + optsXML = self.xml.findall('{%s}option' % self.namespace) + for optXML in optsXML: + opt = FieldOption(xml=optXML) + options.append({'label': opt['label'], 'value':opt['value']}) + return options + + def getRequired(self): + reqXML = self.xml.find('{%s}required' % self.namespace) + return reqXML is not None + + def getValue(self): + valsXML = self.xml.findall('{%s}value' % self.namespace) + if len(valsXML) == 0: + return None + elif self['type'] == 'boolean': + return valsXML[0].text in self.true_values + elif self['type'] in self.multi_value_types: + values = [] + for valXML in valsXML: + if valXML.text is None: + valXML.text = '' + values.append(valXML.text) + if self['type'] == 'text-multi': + values = "\n".join(values) + return values else: - raise ValueError("Cannot add options to non-list type field.") - - def setTrue(self): - if self.type == 'boolean': - self.value = [True] + return valsXML[0].text + + def setAnswer(self, answer): + self.setValue(answer) def setFalse(self): - if self.type == 'boolean': - self.value = [False] + self.setValue(False) - def require(self): - self.required = True - - def setDescription(self, desc): - self.desc = desc - - def setValue(self, value): - if self.type == 'boolean': - if value in ('1', 1, True, 'true', 'True', 'yes'): - value = True + def setOptions(self, options): + for value in options: + if isinstance(value, dict): + self.addOption(**value) else: - value = False - 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] + self.addOption(value=value) + + def setRequired(self, required): + exists = self.getRequired() + if not exists and required: + self.xml.append(ET.Element('{%s}required' % self.namespace)) + elif exists and not required: + self.delRequired() + + def setTrue(self): + self.setValue(True) + + def setValue(self, value): + self.delValue() + valXMLName = '{%s}value' % self.namespace + + if self['type'] == 'boolean': + if value in self.true_values: + valXML = ET.Element(valXMLName) + valXML.text = '1' + self.xml.append(valXML) 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 + valXML = ET.Element(valXMLName) + valXML.text = '0' + self.xml.append(valXML) + elif self['type'] in self.multi_value_types or self['type'] in ['', None]: + if self['type'] in self.multi_line_types and isinstance(value, str): + value = value.split('\n') + if not isinstance(value, list): + value = [value] + for val in value: + if self['type'] in ['', None] and val in self.true_values: + val = '1' + valXML = ET.Element(valXMLName) + valXML.text = val + self.xml.append(valXML) 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('{jabber:x:data}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('{jabber:x:data}option') - optionxml.attrib['label'] = option[1] - optionval = ET.Element('{jabber:x:data}value') - optionval.text = option[0] - optionxml.append(optionval) - field.append(optionxml) - if self.required: - required = ET.Element('{jabber:x:data}required') - field.append(required) - if self.desc: - desc = ET.Element('{jabber:x:data}desc') - desc.text = self.desc - field.append(desc) - for value in self.value: - valuexml = ET.Element('{jabber:x:data}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 + if isinstance(value, list): + raise ValueError("Cannot add multiple values to a %s field." % self['type']) + valXML = ET.Element(valXMLName) + valXML.text = value + self.xml.append(valXML) + + +class FieldOption(ElementBase): + namespace = 'jabber:x:data' + name = 'option' + plugin_attrib = 'option' + interfaces = set(('label', 'value')) + sub_interfaces = set(('value',)) + + +class xep_0004(base.base_plugin): + """ + XEP-0004: Data Forms + """ + + def plugin_init(self): + self.xep = '0004' + self.description = 'Data Forms' + + self.xmpp.registerHandler( + Callback('Data Form', + MatchXPath('{%s}message/{%s}x' % (self.xmpp.default_ns, + Form.namespace)), + self.handle_form)) + + registerStanzaPlugin(FormField, FieldOption) + registerStanzaPlugin(Form, FormField) + registerStanzaPlugin(Message, Form) - 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 - + def post_init(self): + base.base_plugin.post_init(self) + self.xmpp.plugin['xep_0030'].add_feature('jabber:x:data') + + def handle_form(self, message): + self.xmpp.event("message_xform", message) |