Exemplo n.º 1
0
    def _get(self, req, form):
        """
        Returns a file attached to a comment.

        Example:
        CFG_SITE_URL/record/5953/comments/attachments/get/652/myfile.pdf
        where 652 is the comment ID
        """
        argd = wash_urlargd(form, {'file': (str, None),
                                   'comid': (int, 0)})
        _ = gettext_set_language(argd['ln'])

        # Can user view this record, i.e. can user access its
        # attachments?
        uid = getUid(req)
        user_info = collect_user_info(req)
        # Check that user can view record, and its comments (protected
        # with action "viewcomment")
        (auth_code, auth_msg) = check_user_can_view_comments(user_info, self.recid)
        if auth_code and user_info['email'] == 'guest' and not user_info['apache_user']:
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target, norobot=True)
        elif auth_code:
            return page_not_authorized(req, "../", \
                                       text = auth_msg)

        # Does comment exist?
        if not query_get_comment(argd['comid']):
            req.status = apache.HTTP_NOT_FOUND
            return page(title=_("Page Not Found"),
                        body=_('The requested comment could not be found'),
                        req=req)

        # Check that user can view this particular comment, protected
        # using its own restriction
        (auth_code, auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
        if auth_code and user_info['email'] == 'guest' and not user_info['apache_user']:
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target)
        elif auth_code:
            return page_not_authorized(req, "../", \
                                       text = auth_msg,
                                       ln=argd['ln'])

        if not argd['file'] is None:
            # Prepare path to file on disk. Normalize the path so that
            # ../ and other dangerous components are removed.
            path = os.path.abspath('/opt/cds-invenio/var/data/comments/' + \
                                   str(self.recid) + '/'  + str(argd['comid']) + \
                                   '/' + argd['file'])

            # Check that we are really accessing attachements
            # directory, for the declared record.
            if path.startswith('/opt/cds-invenio/var/data/comments/' + \
                               str(self.recid)) and \
                   os.path.exists(path):
                return stream_file(req, path)

        # Send error 404 in all other cases
        req.status = apache.HTTP_NOT_FOUND
        return page(title=_("Page Not Found"),
                    body=_('The requested file could not be found'),
                    req=req,
                    language=argd['ln'])
Exemplo n.º 2
0
    def _get(self, req, form):
        """
        Returns a file attached to a comment.

        Example:
        CFG_SITE_URL/CFG_SITE_RECORD/5953/comments/attachments/get/652/myfile.pdf
        where 652 is the comment ID
        """
        argd = wash_urlargd(form, {'file': (str, None), 'comid': (int, 0)})
        _ = gettext_set_language(argd['ln'])

        # Can user view this record, i.e. can user access its
        # attachments?
        uid = getUid(req)
        user_info = collect_user_info(req)
        # Check that user can view record, and its comments (protected
        # with action "viewcomment")
        (auth_code,
         auth_msg) = check_user_can_view_comments(user_info, self.recid)
        if auth_code and user_info['email'] == 'guest':
            cookie = mail_cookie_create_authorize_action(
                VIEWRESTRCOLL, {
                    'collection': guess_primary_collection_of_a_record(
                        self.recid)
                })
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target, norobot=True)
        elif auth_code:
            return page_not_authorized(req, "../", \
                                       text = auth_msg)

        # Does comment exist?
        if not query_get_comment(argd['comid']):
            req.status = apache.HTTP_NOT_FOUND
            return page(title=_("Page Not Found"),
                        body=_('The requested comment could not be found'),
                        req=req)

        # Check that user can view this particular comment, protected
        # using its own restriction
        (auth_code,
         auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
        if auth_code and user_info['email'] == 'guest':
            cookie = mail_cookie_create_authorize_action(
                VIEWRESTRCOLL, {
                    'collection': guess_primary_collection_of_a_record(
                        self.recid)
                })
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target)
        elif auth_code:
            return page_not_authorized(req, "../", \
                                       text = auth_msg,
                                       ln=argd['ln'])

        if not argd['file'] is None:
            # Prepare path to file on disk. Normalize the path so that
            # ../ and other dangerous components are removed.
            path = os.path.abspath(CFG_PREFIX + '/var/data/comments/' + \
                                   str(self.recid) + '/'  + str(argd['comid']) + \
                                   '/' + argd['file'])

            # Check that we are really accessing attachements
            # directory, for the declared record.
            if path.startswith(CFG_PREFIX + '/var/data/comments/' + \
                               str(self.recid)) and \
                   os.path.exists(path):
                return stream_file(req, path)

        # Send error 404 in all other cases
        req.status = apache.HTTP_NOT_FOUND
        return page(title=_("Page Not Found"),
                    body=_('The requested file could not be found'),
                    req=req,
                    language=argd['ln'])
    def report(self, req, form):
        """
        Report a comment/review for inappropriate content
        @param comid: comment/review id
        @param recid: the id of the record the comment/review is associated with
        @param ln: language
        @param do: display order    hh = highest helpful score, review only
                                    lh = lowest helpful score, review only
                                    hs = highest star score, review only
                                    ls = lowest star score, review only
                                    od = oldest date
                                    nd = newest date
        @param ds: display since    all= no filtering by date
                                    nd = n days ago
                                    nw = n weeks ago
                                    nm = n months ago
                                    ny = n years ago
                                    where n is a single digit integer between 0 and 9
        @param nb: number of results per page
        @param p: results page
        @param referer: http address of the calling function to redirect to (refresh)
        @param reviews: boolean, enabled for reviews, disabled for comments
        """

        argd = wash_urlargd(form, {'comid': (int, -1),
                                   'recid': (int, -1),
                                   'do': (str, "od"),
                                   'ds': (str, "all"),
                                   'nb': (int, 100),
                                   'p': (int, 1),
                                   'referer': (str, None)
                                   })
        _ = gettext_set_language(argd['ln'])

        client_ip_address = req.remote_ip
        uid = getUid(req)

        user_info = collect_user_info(req)
        (auth_code, auth_msg) = check_user_can_view_comments(user_info, self.recid)
        if auth_code and user_info['email'] == 'guest':
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target, norobot=True)
        elif auth_code:
            return page_not_authorized(req, "../", \
                text = auth_msg)

        # Check that comment belongs to this recid
        if not check_comment_belongs_to_record(argd['comid'], self.recid):
            return page_not_authorized(req, "../", \
                                       text = _("Specified comment does not belong to this record"))

        # Check that user can access the record
        (auth_code, auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
        if auth_code:
            return page_not_authorized(req, "../", \
                                       text = _("You do not have access to the specified comment"))

        # Check that comment is not currently deleted
        if is_comment_deleted(argd['comid']):
            return page_not_authorized(req, "../", \
                                       text = _("You cannot report a deleted comment"),
                                       ln=argd['ln'])

        success = perform_request_report(argd['comid'], client_ip_address, uid)
        if argd['referer']:
            argd['referer'] += "?ln=%s&do=%s&ds=%s&nb=%s&p=%s&reported=%s&" % (argd['ln'], argd['do'], argd['ds'], argd['nb'], argd['p'], str(success))

            redirect_to_url(req, argd['referer'])
        else:
            #Note: sent to comments display
            referer = "%s/%s/%s/%s/display?ln=%s&voted=1"
            referer %= (CFG_SITE_SECURE_URL, CFG_SITE_RECORD, self.recid, self.discussion==1 and 'reviews' or 'comments', argd['ln'])
            redirect_to_url(req, referer)
    def add(self, req, form):
        """
        Add a comment (review) to record with id recid where recid>0
        Also works for adding a remark to basket with id recid where recid<-99
        @param ln: languange
        @param recid: record id
        @param action:  'DISPLAY' to display add form
                        'SUBMIT' to submit comment once form is filled
                        'REPLY' to reply to an already existing comment
        @param msg: the body of the comment/review or remark
        @param score: star score of the review
        @param note: title of the review
        @param comid: comment id, needed for replying
        @param editor_type: the type of editor used for submitting the
                            comment: 'textarea', 'ckeditor'.
        @param subscribe: if set, subscribe user to receive email
                          notifications when new comment are added to
                          this discussion
        @return the full html page.
        """
        argd = wash_urlargd(form, {'action': (str, "DISPLAY"),
                                   'msg': (str, ""),
                                   'note': (str, ''),
                                   'score': (int, 0),
                                   'comid': (int, 0),
                                   'editor_type': (str, ""),
                                   'subscribe': (str, ""),
                                   'cookie': (str, "")
                                   })
        _ = gettext_set_language(argd['ln'])

        actions = ['DISPLAY', 'REPLY', 'SUBMIT']
        uid = getUid(req)

        # Is site ready to accept comments?
        if uid == -1 or (not CFG_WEBCOMMENT_ALLOW_COMMENTS and not CFG_WEBCOMMENT_ALLOW_REVIEWS):
            return page_not_authorized(req, "../comments/add",
                                       navmenuid='search')

        # Is user allowed to post comment?
        user_info = collect_user_info(req)
        (auth_code_1, auth_msg_1) = check_user_can_view_comments(user_info, self.recid)
        (auth_code_2, auth_msg_2) = check_user_can_send_comments(user_info, self.recid)
        if isGuestUser(uid):
            cookie = mail_cookie_create_authorize_action(VIEWRESTRCOLL, {'collection' : guess_primary_collection_of_a_record(self.recid)})
            # Save user's value in cookie, so that these "POST"
            # parameters are not lost during login process
            msg_cookie = mail_cookie_create_common('comment_msg',
                                                    {'msg': argd['msg'],
                                                     'note': argd['note'],
                                                     'score': argd['score'],
                                                     'editor_type': argd['editor_type'],
                                                     'subscribe': argd['subscribe']},
                                                    onetime=True)
            target = '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri'] + '&cookie=' + msg_cookie}, {})
            return redirect_to_url(req, target, norobot=True)
        elif (auth_code_1 or auth_code_2):
            return page_not_authorized(req, "../", \
                text = auth_msg_1 + auth_msg_2)

        if argd['comid']:
            # If replying to a comment, are we on a record that
            # matches the original comment user is replying to?
            if not check_comment_belongs_to_record(argd['comid'], self.recid):
                return page_not_authorized(req, "../", \
                                           text = _("Specified comment does not belong to this record"))


            # Is user trying to reply to a restricted comment? Make
            # sure user has access to it.  We will then inherit its
            # restriction for the new comment
            (auth_code, auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
            if auth_code:
                return page_not_authorized(req, "../", \
                                           text = _("You do not have access to the specified comment"))

            # Is user trying to reply to a deleted comment? If so, we
            # let submitted comment go (to not lose possibly submitted
            # content, if comment is submitted while original is
            # deleted), but we "reset" comid to make sure that for
            # action 'REPLY' the original comment is not included in
            # the reply
            if is_comment_deleted(argd['comid']):
                argd['comid'] = 0

        user_info = collect_user_info(req)
        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(user_info, self.recid)
        if not auth_code and (user_info['email'] != 'guest'):
            can_attach_files = True

        warning_msgs = [] # list of warning tuples (warning_text, warning_color)
        added_files = {}
        if can_attach_files:
            # User is allowed to attach files. Process the files
            file_too_big = False
            formfields = form.get('commentattachment[]', [])
            if not hasattr(formfields, "__getitem__"): # A single file was uploaded
                formfields = [formfields]
            for formfield in formfields[:CFG_WEBCOMMENT_MAX_ATTACHED_FILES]:
                if hasattr(formfield, "filename") and formfield.filename:
                    filename = formfield.filename
                    dir_to_open = os.path.join(CFG_TMPDIR, 'webcomment', str(uid))
                    try:
                        assert(dir_to_open.startswith(CFG_TMPDIR))
                    except AssertionError:
                        register_exception(req=req,
                                           prefix='User #%s tried to upload file to forbidden location: %s' \
                                           % (uid, dir_to_open))

                    if not os.path.exists(dir_to_open):
                        try:
                            os.makedirs(dir_to_open)
                        except:
                            register_exception(req=req, alert_admin=True)

                    ## Before saving the file to disc, wash the filename (in particular
                    ## washing away UNIX and Windows (e.g. DFS) paths):
                    filename = os.path.basename(filename.split('\\')[-1])
                    filename = filename.strip()
                    if filename != "":
                        # Check that file does not already exist
                        n = 1
                        while os.path.exists(os.path.join(dir_to_open, filename)):
                            basedir, name, extension = decompose_file(filename)
                            new_name = propose_next_docname(name)
                            filename = new_name + extension

                        fp = open(os.path.join(dir_to_open, filename), "w")
                        # FIXME: temporary, waiting for wsgi handler to be
                        # fixed. Once done, read chunk by chunk
##                         while formfield.file:
##                             fp.write(formfield.file.read(10240))
                        fp.write(formfield.file.read())
                        fp.close()
                        # Isn't this file too big?
                        file_size = os.path.getsize(os.path.join(dir_to_open, filename))
                        if CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE > 0 and \
                               file_size > CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE:
                            os.remove(os.path.join(dir_to_open, filename))
                            # One file is too big: record that,
                            # dismiss all uploaded files and re-ask to
                            # upload again
                            file_too_big = True
                            try:
                                raise InvenioWebCommentWarning(_('The size of file \\"%s\\" (%s) is larger than maximum allowed file size (%s). Select files again.') % (cgi.escape(filename), str(file_size/1024) + 'KB', str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE/1024) + 'KB'))
                            except InvenioWebCommentWarning, exc:
                                register_exception(stream='warning')
                                warning_msgs.append((exc.message, ''))
                            #warning_msgs.append(('WRN_WEBCOMMENT_MAX_FILE_SIZE_REACHED', cgi.escape(filename), str(file_size/1024) + 'KB', str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE/1024) + 'KB'))
                        else:
                            added_files[filename] = os.path.join(dir_to_open, filename)

            if file_too_big:
                # One file was too big. Removed all uploaded filed
                for filepath in added_files.items():
                    try:
                        os.remove(filepath)
                    except:
                        # File was already removed or does not exist?
                        pass
    def report(self, req, form):
        """
        Report a comment/review for inappropriate content
        @param comid: comment/review id
        @param recid: the id of the record the comment/review is associated with
        @param ln: language
        @param do: display order    hh = highest helpful score, review only
                                    lh = lowest helpful score, review only
                                    hs = highest star score, review only
                                    ls = lowest star score, review only
                                    od = oldest date
                                    nd = newest date
        @param ds: display since    all= no filtering by date
                                    nd = n days ago
                                    nw = n weeks ago
                                    nm = n months ago
                                    ny = n years ago
                                    where n is a single digit integer between 0 and 9
        @param nb: number of results per page
        @param p: results page
        @param referer: http address of the calling function to redirect to (refresh)
        @param reviews: boolean, enabled for reviews, disabled for comments
        """

        argd = wash_urlargd(
            form, {
                'comid': (int, -1),
                'recid': (int, -1),
                'do': (str, "od"),
                'ds': (str, "all"),
                'nb': (int, 100),
                'p': (int, 1),
                'referer': (str, None)
            })
        _ = gettext_set_language(argd['ln'])

        client_ip_address = req.remote_ip
        uid = getUid(req)

        user_info = collect_user_info(req)
        (auth_code,
         auth_msg) = check_user_can_view_comments(user_info, self.recid)
        if isGuestUser(uid):
            cookie = mail_cookie_create_authorize_action(
                VIEWRESTRCOLL, {
                    'collection': guess_primary_collection_of_a_record(
                        self.recid)
                })
            target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri']}, {})
            return redirect_to_url(req, target, norobot=True)
        elif auth_code:
            return page_not_authorized(req, "../", \
                text = auth_msg)

        # Check that comment belongs to this recid
        if not check_comment_belongs_to_record(argd['comid'], self.recid):
            return page_not_authorized(req, "../", \
                                       text = _("Specified comment does not belong to this record"))

        # Check that user can access the record
        (auth_code,
         auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
        if auth_code:
            return page_not_authorized(req, "../", \
                                       text = _("You do not have access to the specified comment"))

        # Check that comment is not currently deleted
        if is_comment_deleted(argd['comid']):
            return page_not_authorized(req, "../", \
                                       text = _("You cannot report a deleted comment"),
                                       ln=argd['ln'])

        success = perform_request_report(argd['comid'], client_ip_address, uid)
        if argd['referer']:
            argd['referer'] += "?ln=%s&do=%s&ds=%s&nb=%s&p=%s&reported=%s&" % (
                argd['ln'], argd['do'], argd['ds'], argd['nb'], argd['p'],
                str(success))

            redirect_to_url(req, argd['referer'])
        else:
            #Note: sent to comments display
            referer = "%s/%s/%s/%s/display?ln=%s&voted=1"
            referer %= (CFG_SITE_SECURE_URL, CFG_SITE_RECORD, self.recid,
                        self.discussion == 1 and 'reviews'
                        or 'comments', argd['ln'])
            redirect_to_url(req, referer)
    def add(self, req, form):
        """
        Add a comment (review) to record with id recid where recid>0
        Also works for adding a remark to basket with id recid where recid<-99
        @param ln: languange
        @param recid: record id
        @param action:  'DISPLAY' to display add form
                        'SUBMIT' to submit comment once form is filled
                        'REPLY' to reply to an already existing comment
        @param msg: the body of the comment/review or remark
        @param score: star score of the review
        @param note: title of the review
        @param comid: comment id, needed for replying
        @param editor_type: the type of editor used for submitting the
                            comment: 'textarea', 'ckeditor'.
        @param subscribe: if set, subscribe user to receive email
                          notifications when new comment are added to
                          this discussion
        @return the full html page.
        """
        argd = wash_urlargd(
            form, {
                'action': (str, "DISPLAY"),
                'msg': (str, ""),
                'note': (str, ''),
                'score': (int, 0),
                'comid': (int, 0),
                'editor_type': (str, ""),
                'subscribe': (str, ""),
                'cookie': (str, "")
            })
        _ = gettext_set_language(argd['ln'])

        actions = ['DISPLAY', 'REPLY', 'SUBMIT']
        uid = getUid(req)

        # Is site ready to accept comments?
        if uid == -1 or (not CFG_WEBCOMMENT_ALLOW_COMMENTS
                         and not CFG_WEBCOMMENT_ALLOW_REVIEWS):
            return page_not_authorized(req,
                                       "../comments/add",
                                       navmenuid='search')

        # Is user allowed to post comment?
        user_info = collect_user_info(req)
        (auth_code_1,
         auth_msg_1) = check_user_can_view_comments(user_info, self.recid)
        (auth_code_2,
         auth_msg_2) = check_user_can_send_comments(user_info, self.recid)
        if isGuestUser(uid):
            cookie = mail_cookie_create_authorize_action(
                VIEWRESTRCOLL, {
                    'collection': guess_primary_collection_of_a_record(
                        self.recid)
                })
            # Save user's value in cookie, so that these "POST"
            # parameters are not lost during login process
            msg_cookie = mail_cookie_create_common(
                'comment_msg', {
                    'msg': argd['msg'],
                    'note': argd['note'],
                    'score': argd['score'],
                    'editor_type': argd['editor_type'],
                    'subscribe': argd['subscribe']
                },
                onetime=True)
            target = CFG_SITE_SECURE_URL + '/youraccount/login' + \
                make_canonical_urlargd({'action': cookie, 'ln' : argd['ln'], 'referer' : \
                CFG_SITE_SECURE_URL + user_info['uri'] + '&cookie=' + msg_cookie}, {})
            return redirect_to_url(req, target, norobot=True)
        elif (auth_code_1 or auth_code_2):
            return page_not_authorized(req, "../", \
                text = auth_msg_1 + auth_msg_2)

        if argd['comid']:
            # If replying to a comment, are we on a record that
            # matches the original comment user is replying to?
            if not check_comment_belongs_to_record(argd['comid'], self.recid):
                return page_not_authorized(req, "../", \
                                           text = _("Specified comment does not belong to this record"))

            # Is user trying to reply to a restricted comment? Make
            # sure user has access to it.  We will then inherit its
            # restriction for the new comment
            (auth_code,
             auth_msg) = check_user_can_view_comment(user_info, argd['comid'])
            if auth_code:
                return page_not_authorized(req, "../", \
                                           text = _("You do not have access to the specified comment"))

            # Is user trying to reply to a deleted comment? If so, we
            # let submitted comment go (to not lose possibly submitted
            # content, if comment is submitted while original is
            # deleted), but we "reset" comid to make sure that for
            # action 'REPLY' the original comment is not included in
            # the reply
            if is_comment_deleted(argd['comid']):
                argd['comid'] = 0

        user_info = collect_user_info(req)
        can_attach_files = False
        (auth_code, auth_msg) = check_user_can_attach_file_to_comments(
            user_info, self.recid)
        if not auth_code and (user_info['email'] != 'guest'):
            can_attach_files = True

        warning_msgs = [
        ]  # list of warning tuples (warning_text, warning_color)
        added_files = {}
        if can_attach_files:
            # User is allowed to attach files. Process the files
            file_too_big = False
            formfields = form.get('commentattachment[]', [])
            if not hasattr(formfields,
                           "__getitem__"):  # A single file was uploaded
                formfields = [formfields]
            for formfield in formfields[:CFG_WEBCOMMENT_MAX_ATTACHED_FILES]:
                if hasattr(formfield, "filename") and formfield.filename:
                    filename = formfield.filename
                    dir_to_open = os.path.join(CFG_TMPSHAREDDIR, 'webcomment',
                                               str(uid))
                    try:
                        assert (dir_to_open.startswith(CFG_TMPSHAREDDIR))
                    except AssertionError:
                        register_exception(req=req,
                                           prefix='User #%s tried to upload file to forbidden location: %s' \
                                           % (uid, dir_to_open))

                    if not os.path.exists(dir_to_open):
                        try:
                            os.makedirs(dir_to_open)
                        except:
                            register_exception(req=req, alert_admin=True)

                    ## Before saving the file to disc, wash the filename (in particular
                    ## washing away UNIX and Windows (e.g. DFS) paths):
                    filename = os.path.basename(filename.split('\\')[-1])
                    filename = filename.strip()
                    if filename != "":
                        # Check that file does not already exist
                        n = 1
                        while os.path.exists(
                                os.path.join(dir_to_open, filename)):
                            basedir, name, extension = decompose_file(filename)
                            new_name = propose_next_docname(name)
                            filename = new_name + extension

                        fp = open(os.path.join(dir_to_open, filename), "w")
                        # FIXME: temporary, waiting for wsgi handler to be
                        # fixed. Once done, read chunk by chunk
                        ##                         while formfield.file:
                        ##                             fp.write(formfield.file.read(10240))
                        fp.write(formfield.file.read())
                        fp.close()
                        # Isn't this file too big?
                        file_size = os.path.getsize(
                            os.path.join(dir_to_open, filename))
                        if CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE > 0 and \
                               file_size > CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE:
                            os.remove(os.path.join(dir_to_open, filename))
                            # One file is too big: record that,
                            # dismiss all uploaded files and re-ask to
                            # upload again
                            file_too_big = True
                            try:
                                raise InvenioWebCommentWarning(
                                    _('The size of file \\"%s\\" (%s) is larger than maximum allowed file size (%s). Select files again.'
                                      ) %
                                    (cgi.escape(filename),
                                     str(file_size / 1024) + 'KB',
                                     str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE /
                                         1024) + 'KB'))
                            except InvenioWebCommentWarning, exc:
                                register_exception(stream='warning')
                                warning_msgs.append((exc.message, ''))
                            #warning_msgs.append(('WRN_WEBCOMMENT_MAX_FILE_SIZE_REACHED', cgi.escape(filename), str(file_size/1024) + 'KB', str(CFG_WEBCOMMENT_MAX_ATTACHMENT_SIZE/1024) + 'KB'))
                        else:
                            added_files[filename] = os.path.join(
                                dir_to_open, filename)

            if file_too_big:
                # One file was too big. Removed all uploaded filed
                for filepath in added_files.items():
                    try:
                        os.remove(filepath)
                    except:
                        # File was already removed or does not exist?
                        pass