コード例 #1
0
ファイル: wsgiapp.py プロジェクト: yuanbosdu/baikehow
def run(context):
    """ Run a context trough the application. """
    context.clock.start('run')
    request = context.request

    # preliminary access checks (forbidden, bots, surge protection)
    try:
        try:
            check_forbidden(context)
            check_surge_protect(context)

            action_name = context.action

            # handle XMLRPC calls
            if action_name == 'xmlrpc':
                response = xmlrpc.xmlrpc(XMLRPCContext(request))
            elif action_name == 'xmlrpc2':
                response = xmlrpc.xmlrpc2(XMLRPCContext(request))
            else:
                response = dispatch(request, context, action_name)
            context.cfg.session_service.finalize(context, context.session)
            return response
        except MoinMoinFinish:
            return request
    finally:
        context.finish()
        context.clock.stop('run')
コード例 #2
0
    def login(self, request, user_obj, **kw):
        username = kw.get('username')
        password = kw.get('password')

        # simply continue if something else already logged in successfully
        if user_obj and user_obj.valid:
            return ContinueLogin(user_obj)

        if not username and not password:
            return ContinueLogin(user_obj)

        _ = request.getText

        logging.debug("%s: performing login action" % self.name)

        if username and not password:
            return ContinueLogin(user_obj, _('Missing password. Please enter user name and password.'))
        if not username and password:
            return ContinueLogin(user_obj, _('Missing user name. Please enter user name and password.'))

        check_surge_protect(request, action='auth-ip')
        check_surge_protect(request, action='auth-name', username=username)

        u = user.User(request, name=username, password=password, auth_method=self.name)
        if u.valid:
            logging.debug("%s: successfully authenticated user %r (valid)" % (self.name, u.name))
            log_attempt("auth/login (moin)", True, request, username)
            return ContinueLogin(u)
        else:
            logging.debug("%s: could not authenticate user %r (not valid)" % (self.name, username))
            log_attempt("auth/login (moin)", False, request, username)
            return ContinueLogin(user_obj, _("Invalid username or password."))
コード例 #3
0
ファイル: wsgiapp.py プロジェクト: happytk/moin
def run(context):
    """ Run a context trough the application. """
    context.clock.start('run')
    request = context.request

    # preliminary access checks (forbidden, bots, surge protection)
    try:
        try:
            check_forbidden(context)
            check_surge_protect(context)

            action_name = context.action

            # handle XMLRPC calls
            if action_name == 'xmlrpc':
                response = xmlrpc.xmlrpc(XMLRPCContext(request))
            elif action_name == 'xmlrpc2':
                response = xmlrpc.xmlrpc2(XMLRPCContext(request))
            else:
                response = dispatch(request, context, action_name)
            context.cfg.session_service.finalize(context, context.session)
            return response
        except MoinMoinFinish:
            return request
    finally:
        context.finish()
        context.clock.stop('run')
コード例 #4
0
def execute(pagename, request, fieldname='value', titlesearch=0, statistic=0):
    _ = request.getText
    titlesearch = checkTitleSearch(request)
    if titlesearch < 0:
        check_surge_protect(request, kick=True) # get rid of spammer
        return

    if 'metasearch' in request.values: 
        form = MultiDict(request.values)
        form['action'] = 'MetaSearch'
        val = form.get('value', '')
        form['q'] = val
        request.values = CombinedMultiDict([MultiDict(form)])
        return ms_execute(pagename, request)

    advancedsearch = isAdvancedSearch(request)

    form = request.values

    # context is relevant only for full search
    if titlesearch:
        context = 0
    elif advancedsearch:
        context = 180 # XXX: hardcoded context count for advancedsearch
    else:
        context = int(form.get('context', 0))

    # Get other form parameters
    needle = form.get(fieldname, '')
    case = int(form.get('case', 0))
    regex = int(form.get('regex', 0)) # no interface currently
    hitsFrom = int(form.get('from', 0))
    highlight_titles = int(form.get('highlight_titles', 1))
    highlight_pages = int(form.get('highlight_pages', 1))
    mtime = None
    msg = ''
    historysearch = 0

    # if advanced search is enabled we construct our own search query
    if advancedsearch:
        and_terms = form.get('and_terms', '').strip()
        or_terms = form.get('or_terms', '').strip()
        not_terms = form.get('not_terms', '').strip()
        #xor_terms = form.get('xor_terms', '').strip()
        categories = form.getlist('categories') or ['']
        timeframe = form.get('time', '').strip()
        language = form.getlist('language') or ['']
        mimetype = form.getlist('mimetype') or [0]
        excludeunderlay = form.get('excludeunderlay', 0)
        nosystemitems = form.get('nosystemitems', 0)
        historysearch = form.get('historysearch', 0)

        mtime = form.get('mtime', '')
        if mtime:
            mtime_parsed = None

            # get mtime from known date/time formats
            for fmt in (request.user.datetime_fmt,
                    request.cfg.datetime_fmt, request.user.date_fmt,
                    request.cfg.date_fmt):
                try:
                    mtime_parsed = time.strptime(mtime, fmt)
                except ValueError:
                    continue
                else:
                    break

            if mtime_parsed:
                mtime = time.mktime(mtime_parsed)
            else:
                # didn't work, let's try parsedatetime
                cal = Calendar()
                mtime_parsed, parsed_what = cal.parse(mtime)
                # XXX it is unclear if usage of localtime here and in parsedatetime module is correct.
                # time.localtime is the SERVER's local time and of no relevance to the user (being
                # somewhere in the world)
                # mktime is reverse function for localtime, so this maybe fixes it again!?
                if parsed_what > 0 and mtime_parsed <= time.localtime():
                    mtime = time.mktime(mtime_parsed)
                else:
                    mtime_parsed = None # we don't use invalid stuff

            # show info
            if mtime_parsed:
                # XXX mtime_msg is not shown in some cases
                mtime_msg = _("(!) Only pages changed since '''%s''' are being displayed!",
                              wiki=True) % request.user.getFormattedDateTime(mtime)
            else:
                mtime_msg = _('/!\\ The modification date you entered was not '
                        'recognized and is therefore not considered for the '
                        'search results!', wiki=True)
        else:
            mtime_msg = None

        word_re = re.compile(r'(\"[\w\s]+"|\w+)', re.UNICODE)
        needle = ''
        if categories[0]:
            needle += 'category:%s ' % ','.join(categories)
        if language[0]:
            needle += 'language:%s ' % ','.join(language)
        if mimetype[0]:
            needle += 'mimetype:%s ' % ','.join(mimetype)
        if excludeunderlay:
            needle += '-domain:underlay '
        if nosystemitems:
            needle += '-domain:system '
        if and_terms:
            needle += '(%s) ' % and_terms
        if not_terms:
            needle += '(%s) ' % ' '.join(['-%s' % t for t in word_re.findall(not_terms)])
        if or_terms:
            needle += '(%s) ' % ' or '.join(word_re.findall(or_terms))

    # check for sensible search term
    stripped = needle.strip()
    if len(stripped) == 0:
        request.theme.add_msg(_('Please use a more selective search term instead '
                'of {{{"%s"}}}', wiki=True) % wikiutil.escape(needle), "error")
        Page(request, pagename).send_page()
        return
    needle = stripped

    # Setup for type of search
    if titlesearch:
        title = _('Title Search: "%s"')
        sort = 'page_name'
    else:
        if advancedsearch:
            title = _('Advanced Search: "%s"')
        else:
            title = _('Full Text Search: "%s"')
        sort = 'weight'

    # search the pages
    from MoinMoin.search import searchPages, QueryParser, QueryError
    try:
        query = QueryParser(case=case, regex=regex,
                titlesearch=titlesearch).parse_query(needle)
    except QueryError: # catch errors in the search query
        request.theme.add_msg(_('Your search query {{{"%s"}}} is invalid. Please refer to '
                'HelpOnSearching for more information.', wiki=True, percent=True) % wikiutil.escape(needle), "error")
        Page(request, pagename).send_page()
        return

    results = searchPages(request, query, sort, mtime, historysearch)

    # directly show a single hit for title searches
    # this is the "quick jump" functionality if you don't remember
    # the pagename exactly, but just some parts of it
    if titlesearch and len(results.hits) == 1:
        page = results.hits[0]
        if not page.attachment: # we did not find an attachment
            page = Page(request, page.page_name)
            querydict = {}
            if highlight_pages:
                highlight = query.highlight_re()
                if highlight:
                    querydict.update({'highlight': highlight})
            url = page.url(request, querystr=querydict)
            request.http_redirect(url)
            return
    if not results.hits: # no hits?
        f = request.formatter
        querydict = wikiutil.parseQueryString(request.query_string).to_dict()
        querydict.update({'titlesearch': 0})

        request.theme.add_msg(_('Your search query {{{"%s"}}} didn\'t return any results. '
                'Please change some terms and refer to HelpOnSearching for '
                'more information.%s', wiki=True, percent=True) % (wikiutil.escape(needle),
                    titlesearch and ''.join([
                        '<br>',
                        _('(!) Consider performing a', wiki=True), ' ',
                        f.url(1, href=request.page.url(request, querydict, escape=0)),
                        _('full-text search with your search terms'),
                        f.url(0), '.',
                    ]) or ''), "error")
        Page(request, pagename).send_page()
        return

    # This action generates data using the user language
    request.setContentLanguage(request.lang)

    request.theme.send_title(title % needle, pagename=pagename)

    # Start content (important for RTL support)
    request.write(request.formatter.startContent("content"))

    # Hints
    f = request.formatter
    hints = []

    if titlesearch:
        querydict = wikiutil.parseQueryString(request.query_string).to_dict()
        querydict.update({'titlesearch': 0})

        hints.append(''.join([
            _("(!) You're performing a title search that might not include"
                ' all related results of your search query in this wiki. <<BR>>', wiki=True),
            ' ',
            f.url(1, href=request.page.url(request, querydict, escape=0)),
            f.text(_('Click here to perform a full-text search with your '
                'search terms!')),
            f.url(0),
        ]))

    if advancedsearch and mtime_msg:
        hints.append(mtime_msg)

    if hints:
        request.write(searchHints(f, hints))

    # Search stats
    request.write(results.stats(request, request.formatter, hitsFrom))

    # Then search results
    info = not titlesearch
    if context:
        output = results.pageListWithContext(request, request.formatter,
                info=info, context=context, hitsFrom=hitsFrom, hitsInfo=1,
                highlight_titles=highlight_titles,
                highlight_pages=highlight_pages)
    else:
        output = results.pageList(request, request.formatter, info=info,
                hitsFrom=hitsFrom, hitsInfo=1,
                highlight_titles=highlight_titles,
                highlight_pages=highlight_pages)

    request.write(output)

    request.write(request.formatter.endContent())
    request.theme.send_footer(pagename)
    request.theme.send_closing_html()
コード例 #5
0
def execute(pagename, request, fieldname='value', titlesearch=0, statistic=0):
    _ = request.getText
    titlesearch = checkTitleSearch(request)
    if titlesearch < 0:
        check_surge_protect(request, kick=True)  # get rid of spammer
        return

    advancedsearch = isAdvancedSearch(request)

    form = request.values

    # context is relevant only for full search
    if titlesearch:
        context = 0
    elif advancedsearch:
        context = 180  # XXX: hardcoded context count for advancedsearch
    else:
        context = int(form.get('context', 0))

    # Get other form parameters
    needle = form.get(fieldname, '')
    case = int(form.get('case', 0))
    regex = int(form.get('regex', 0))  # no interface currently
    hitsFrom = int(form.get('from', 0))
    mtime = None
    msg = ''
    historysearch = 0

    # if advanced search is enabled we construct our own search query
    if advancedsearch:
        and_terms = form.get('and_terms', '').strip()
        or_terms = form.get('or_terms', '').strip()
        not_terms = form.get('not_terms', '').strip()
        #xor_terms = form.get('xor_terms', '').strip()
        categories = form.getlist('categories') or ['']
        timeframe = form.get('time', '').strip()
        language = form.getlist('language') or ['']
        mimetype = form.getlist('mimetype') or [0]
        excludeunderlay = form.get('excludeunderlay', 0)
        nosystemitems = form.get('nosystemitems', 0)
        historysearch = form.get('historysearch', 0)

        mtime = form.get('mtime', '')
        if mtime:
            mtime_parsed = None

            # get mtime from known date/time formats
            for fmt in (request.user.datetime_fmt, request.cfg.datetime_fmt,
                        request.user.date_fmt, request.cfg.date_fmt):
                try:
                    mtime_parsed = time.strptime(mtime, fmt)
                except ValueError:
                    continue
                else:
                    break

            if mtime_parsed:
                mtime = time.mktime(mtime_parsed)
            else:
                # didn't work, let's try parsedatetime
                cal = Calendar()
                mtime_parsed, parsed_what = cal.parse(mtime)
                # XXX it is unclear if usage of localtime here and in parsedatetime module is correct.
                # time.localtime is the SERVER's local time and of no relevance to the user (being
                # somewhere in the world)
                # mktime is reverse function for localtime, so this maybe fixes it again!?
                if parsed_what > 0 and mtime_parsed <= time.localtime():
                    mtime = time.mktime(mtime_parsed)
                else:
                    mtime_parsed = None  # we don't use invalid stuff

            # show info
            if mtime_parsed:
                # XXX mtime_msg is not shown in some cases
                mtime_msg = _(
                    "(!) Only pages changed since '''%s''' are being displayed!",
                    wiki=True) % request.user.getFormattedDateTime(mtime)
            else:
                mtime_msg = _(
                    '/!\\ The modification date you entered was not '
                    'recognized and is therefore not considered for the '
                    'search results!',
                    wiki=True)
        else:
            mtime_msg = None

        word_re = re.compile(r'(\"[\w\s]+"|\w+)')
        needle = ''
        if categories[0]:
            needle += 'category:%s ' % ','.join(categories)
        if language[0]:
            needle += 'language:%s ' % ','.join(language)
        if mimetype[0]:
            needle += 'mimetype:%s ' % ','.join(mimetype)
        if excludeunderlay:
            needle += '-domain:underlay '
        if nosystemitems:
            needle += '-domain:system '
        if and_terms:
            needle += '(%s) ' % and_terms
        if not_terms:
            needle += '(%s) ' % ' '.join(
                ['-%s' % t for t in word_re.findall(not_terms)])
        if or_terms:
            needle += '(%s) ' % ' or '.join(word_re.findall(or_terms))

    # check for sensible search term
    stripped = needle.strip()
    if len(stripped) == 0:
        request.theme.add_msg(
            _(
                'Please use a more selective search term instead '
                'of {{{"%s"}}}',
                wiki=True) % wikiutil.escape(needle), "error")
        Page(request, pagename).send_page()
        return
    needle = stripped

    # Setup for type of search
    if titlesearch:
        title = _('Title Search: "%s"')
        sort = 'page_name'
    else:
        if advancedsearch:
            title = _('Advanced Search: "%s"')
        else:
            title = _('Full Text Search: "%s"')
        sort = 'weight'

    # search the pages
    from MoinMoin.search import searchPages, QueryParser, QueryError
    try:
        query = QueryParser(case=case, regex=regex,
                            titlesearch=titlesearch).parse_query(needle)
    except QueryError:  # catch errors in the search query
        request.theme.add_msg(
            _(
                'Your search query {{{"%s"}}} is invalid. Please refer to '
                'HelpOnSearching for more information.',
                wiki=True,
                percent=True) % wikiutil.escape(needle), "error")
        Page(request, pagename).send_page()
        return

    results = searchPages(request, query, sort, mtime, historysearch)

    # directly show a single hit for title searches
    # this is the "quick jump" functionality if you don't remember
    # the pagename exactly, but just some parts of it
    if titlesearch and len(results.hits) == 1:
        page = results.hits[0]
        if not page.attachment:  # we did not find an attachment
            page = Page(request, page.page_name)
            highlight = query.highlight_re()
            if highlight:
                querydict = {'highlight': highlight}
            else:
                querydict = {}
            url = page.url(request, querystr=querydict)
            request.http_redirect(url)
            return
    if not results.hits:  # no hits?
        f = request.formatter
        querydict = dict(wikiutil.parseQueryString(request.query_string))
        querydict.update({'titlesearch': 0})

        request.theme.add_msg(
            _(
                'Your search query {{{"%s"}}} didn\'t return any results. '
                'Please change some terms and refer to HelpOnSearching for '
                'more information.%s',
                wiki=True,
                percent=True) %
            (wikiutil.escape(needle), titlesearch and ''.join([
                '<br>',
                _('(!) Consider performing a', wiki=True),
                ' ',
                f.url(1, href=request.page.url(request, querydict, escape=0)),
                _('full-text search with your search terms'),
                f.url(0),
                '.',
            ]) or ''), "error")
        Page(request, pagename).send_page()
        return

    # This action generates data using the user language
    request.setContentLanguage(request.lang)

    request.theme.send_title(title % needle, pagename=pagename)

    # Start content (important for RTL support)
    request.write(request.formatter.startContent("content"))

    # Hints
    f = request.formatter
    hints = []

    if titlesearch:
        querydict = dict(wikiutil.parseQueryString(request.query_string))
        querydict.update({'titlesearch': 0})

        hints.append(''.join([
            _(
                "(!) You're performing a title search that might not include"
                ' all related results of your search query in this wiki. <<BR>>',
                wiki=True),
            ' ',
            f.url(1, href=request.page.url(request, querydict, escape=0)),
            f.text(
                _('Click here to perform a full-text search with your '
                  'search terms!')),
            f.url(0),
        ]))

    if advancedsearch and mtime_msg:
        hints.append(mtime_msg)

    if hints:
        request.write(searchHints(f, hints))

    # Search stats
    request.write(results.stats(request, request.formatter, hitsFrom))

    # Then search results
    info = not titlesearch
    if context:
        output = results.pageListWithContext(request,
                                             request.formatter,
                                             info=info,
                                             context=context,
                                             hitsFrom=hitsFrom,
                                             hitsInfo=1)
    else:
        output = results.pageList(request,
                                  request.formatter,
                                  info=info,
                                  hitsFrom=hitsFrom,
                                  hitsInfo=1)

    request.write(output)

    request.write(request.formatter.endContent())
    request.theme.send_footer(pagename)
    request.theme.send_closing_html()
コード例 #6
0
ファイル: edit.py プロジェクト: Glottotopia/aagd
def execute(pagename, request):
    """ edit a page """
    _ = request.getText

    if 'button_preview' in request.form and 'button_spellcheck' in request.form:
        # multiple buttons pressed at once? must be some spammer/bot
        check_surge_protect(request, kick=True) # get rid of him
        return

    if not request.user.may.write(pagename):
        page = wikiutil.getLocalizedPage(request, 'PermissionDeniedPage')
        page.body = _('You are not allowed to edit this page.')
        page.page_name = pagename
        page.send_page(send_special=True)
        return

    valideditors = ['text', 'gui', ]
    editor = ''
    if request.user.valid:
        editor = request.user.editor_default
    if editor not in valideditors:
        editor = request.cfg.editor_default

    editorparam = request.values.get('editor', editor)
    if editorparam == "guipossible":
        lasteditor = editor
    elif editorparam == "textonly":
        editor = lasteditor = 'text'
    else:
        editor = lasteditor = editorparam

    if request.cfg.editor_force:
        editor = request.cfg.editor_default

    # if it is still nothing valid, we just use the text editor
    if editor not in valideditors:
        editor = 'text'

    rev = request.rev or 0
    savetext = request.form.get('savetext')
    comment = request.form.get('comment', u'')
    category = request.form.get('category')
    rstrip = int(request.form.get('rstrip', '0'))
    trivial = int(request.form.get('trivial', '0'))

    if 'button_switch' in request.form:
        if editor == 'text':
            editor = 'gui'
        else: # 'gui'
            editor = 'text'

    # load right editor class
    if editor == 'gui':
        from MoinMoin.PageGraphicalEditor import PageGraphicalEditor
        pg = PageGraphicalEditor(request, pagename)
    else: # 'text'
        from MoinMoin.PageEditor import PageEditor
        pg = PageEditor(request, pagename)

    # is invoked without savetext start editing
    if savetext is None or 'button_load_draft' in request.form:
        pg.sendEditor()
        return

    # did user hit cancel button?
    cancelled = 'button_cancel' in request.form

    from MoinMoin.error import ConvertError
    try:
        if lasteditor == 'gui':
            # convert input from Graphical editor
            format = request.form.get('format', 'wiki')
            if format == 'wiki':
                converter_name = 'text_html_text_moin_wiki'
            else:
                converter_name = 'undefined' # XXX we don't have other converters yet
            convert = wikiutil.importPlugin(request.cfg, "converter", converter_name, 'convert')
            savetext = convert(request, pagename, savetext)

        # IMPORTANT: normalize text from the form. This should be done in
        # one place before we manipulate the text.
        savetext = pg.normalizeText(savetext, stripspaces=rstrip)
    except ConvertError:
        # we don't want to throw an exception if user cancelled anyway
        if not cancelled:
            raise

    if cancelled:
        pg.sendCancel(savetext or "", rev)
        pagedir = pg.getPagePath(check_create=0)
        import os
        if not os.listdir(pagedir):
            os.removedirs(pagedir)
        return

    comment = wikiutil.clean_input(comment)

    # Add category

    # TODO: this code does not work with extended links, and is doing
    # things behind your back, and in general not needed. Either we have
    # a full interface for categories (add, delete) or just add them by
    # markup.

    if category and category != _('<No addition>'): # opera 8.5 needs this
        # strip trailing whitespace
        savetext = savetext.rstrip()

        # Add category separator if last non-empty line contains
        # non-categories.
        lines = [line for line in savetext.splitlines() if line]
        if lines:

            #TODO: this code is broken, will not work for extended links
            #categories, e.g ["category hebrew"]
            categories = lines[-1].split()

            if categories:
                confirmed = wikiutil.filterCategoryPages(request, categories)
                if len(confirmed) < len(categories):
                    # This was not a categories line, add separator
                    savetext += u'\n----\n'

        # Add new category
        if savetext and savetext[-1] != u'\n':
            savetext += ' '
        savetext += category + u'\n' # Should end with newline!

    if (request.cfg.edit_ticketing and
        not wikiutil.checkTicket(request, request.form.get('ticket', ''))):
        request.theme.add_msg(_('Please use the interactive user interface to use action %(actionname)s!') % {'actionname': 'edit' }, "error")
        pg.sendEditor(preview=savetext, comment=comment, staytop=1)

    # Preview, spellcheck or spellcheck add new words
    elif ('button_preview' in request.form or
        'button_spellcheck' in request.form or
        'button_newwords' in request.form):
        pg.sendEditor(preview=savetext, comment=comment)

    # Preview with mode switch
    elif 'button_switch' in request.form:
        pg.sendEditor(preview=savetext, comment=comment, staytop=1)

    # Save new text
    else:
        try:
            from MoinMoin.security.textcha import TextCha
            if not TextCha(request).check_answer_from_form():
                raise pg.SaveError(_('TextCha: Wrong answer! Try again below...'))
            if request.cfg.comment_required and not comment:
                raise pg.SaveError(_('Supplying a comment is mandatory.  Write a comment below and try again...'))
            savemsg = pg.saveText(savetext, rev, trivial=trivial, comment=comment)
        except pg.EditConflict, e:
            msg = e.message

            # Handle conflict and send editor
            pg.set_raw_body(savetext, modified=1)

            pg.mergeEditConflict(rev)
            # We don't send preview when we do merge conflict
            pg.sendEditor(msg=msg, comment=comment)
            return

        except pg.SaveError, msg:
            # Show the error message
            request.theme.add_msg(unicode(msg), "error")
            # And show the editor again
            pg.sendEditor(preview=savetext, comment=comment, staytop=1)
            return
コード例 #7
0
ファイル: edit.py プロジェクト: tanghejun/volunpedia
def execute(pagename, request):
    """ edit a page """
    _ = request.getText

    if 'button_preview' in request.form and 'button_spellcheck' in request.form:
        # multiple buttons pressed at once? must be some spammer/bot
        check_surge_protect(request, kick=True)  # get rid of him
        return

    if not request.user.may.write(pagename):
        page = wikiutil.getLocalizedPage(request, 'PermissionDeniedPage')
        page.body = _('You are not allowed to edit this page.')
        page.page_name = pagename
        page.send_page(send_special=True)
        return

    valideditors = [
        'text',
        'gui',
    ]
    editor = ''
    if request.user.valid:
        editor = request.user.editor_default
    if editor not in valideditors:
        editor = request.cfg.editor_default

    editorparam = request.values.get('editor', editor)
    if editorparam == "guipossible":
        lasteditor = editor
    elif editorparam == "textonly":
        editor = lasteditor = 'text'
    else:
        editor = lasteditor = editorparam

    if request.cfg.editor_force:
        editor = request.cfg.editor_default

    # if it is still nothing valid, we just use the text editor
    if editor not in valideditors:
        editor = 'text'

    rev = request.rev or 0
    savetext = request.form.get('savetext')
    comment = request.form.get('comment', u'')
    category = request.form.get('category')
    rstrip = int(request.form.get('rstrip', '0'))
    trivial = int(request.form.get('trivial', '0'))
    ideastatus = int(request.form.get('ideastatus', '0'))

    if 'button_switch' in request.form:
        if editor == 'text':
            editor = 'gui'
        else:  # 'gui'
            editor = 'text'

    # load right editor class
    if editor == 'gui':
        from MoinMoin.PageGraphicalEditor import PageGraphicalEditor
        pg = PageGraphicalEditor(request, pagename)
    else:  # 'text'
        from MoinMoin.PageEditor import PageEditor
        pg = PageEditor(request, pagename)

    # is invoked without savetext start editing
    if savetext is None or 'button_load_draft' in request.form:
        pg.sendEditor()
        return

    # did user hit cancel button?
    cancelled = 'button_cancel' in request.form

    from MoinMoin.error import ConvertError
    try:
        if lasteditor == 'gui':
            # convert input from Graphical editor
            format = request.form.get('format', 'wiki')
            if format == 'wiki':
                converter_name = 'text_html_text_moin_wiki'
            else:
                converter_name = 'undefined'  # XXX we don't have other converters yet
            convert = wikiutil.importPlugin(request.cfg, "converter",
                                            converter_name, 'convert')
            savetext = convert(request, pagename, savetext)

        # IMPORTANT: normalize text from the form. This should be done in
        # one place before we manipulate the text.
        savetext = pg.normalizeText(savetext, stripspaces=rstrip)
    except ConvertError:
        # we don't want to throw an exception if user cancelled anyway
        if not cancelled:
            raise

    if cancelled:
        pg.sendCancel(savetext or "", rev)
        pagedir = pg.getPagePath(check_create=0)
        import os
        if not os.listdir(pagedir):
            os.removedirs(pagedir)
        return

    comment = wikiutil.clean_input(comment)

    # Add category

    # TODO: this code does not work with extended links, and is doing
    # things behind your back, and in general not needed. Either we have
    # a full interface for categories (add, delete) or just add them by
    # markup.

    if category and category != _('<No addition>'):  # opera 8.5 needs this
        # strip trailing whitespace
        savetext = savetext.rstrip()

        # Add category separator if last non-empty line contains
        # non-categories.
        lines = [line for line in savetext.splitlines() if line]
        if lines:

            #TODO: this code is broken, will not work for extended links
            #categories, e.g ["category hebrew"]
            categories = lines[-1].split()

            if categories:
                confirmed = wikiutil.filterCategoryPages(request, categories)
                if len(confirmed) < len(categories):
                    # This was not a categories line, add separator
                    savetext += u'\n----\n'

        # Add new category
        if savetext and savetext[-1] != u'\n':
            savetext += ' '
        savetext += category + u'\n'  # Should end with newline!

    if (request.cfg.edit_ticketing and
            not wikiutil.checkTicket(request, request.form.get('ticket', ''))):
        request.theme.add_msg(
            _('Please use the interactive user interface to use action %(actionname)s!'
              ) % {'actionname': 'edit'}, "error")
        pg.sendEditor(preview=savetext, comment=comment, staytop=1)

    # Preview, spellcheck or spellcheck add new words
    elif ('button_preview' in request.form
          or 'button_spellcheck' in request.form
          or 'button_newwords' in request.form):
        pg.sendEditor(preview=savetext, comment=comment)

    # Preview with mode switch
    elif 'button_switch' in request.form:
        pg.sendEditor(preview=savetext, comment=comment, staytop=1)

    # Save new text
    else:
        try:
            from MoinMoin.security.textcha import TextCha
            if not TextCha(request).check_answer_from_form():
                raise pg.SaveError(
                    _('TextCha: Wrong answer! Try again below...'))
            if request.cfg.comment_required and not comment:
                raise pg.SaveError(
                    _('Supplying a comment is mandatory.  Write a comment below and try again...'
                      ))
            savemsg = pg.saveText(savetext,
                                  rev,
                                  trivial=trivial,
                                  comment=comment)
        except pg.EditConflict, e:
            msg = e.message

            # Handle conflict and send editor
            pg.set_raw_body(savetext, modified=1)

            pg.mergeEditConflict(rev)
            # We don't send preview when we do merge conflict
            pg.sendEditor(msg=msg, comment=comment)
            return

        except pg.SaveError, msg:
            # Show the error message
            request.theme.add_msg(unicode(msg), "error")
            # And show the editor again
            pg.sendEditor(preview=savetext, comment=comment, staytop=1)
            return