Esempio n. 1
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    def __acl__(self) -> AclType:
        """Pyramid security ACL."""
        acl = []

        # view:
        #  - all groups can be viewed by everyone
        acl.append((Allow, Everyone, "view"))

        # subscribe:
        #  - all groups can be subscribed to by logged-in users
        acl.append((Allow, Authenticated, "subscribe"))

        # post_topic:
        #  - only users with specifically-granted permission can post topics in groups
        #    that require permission to post
        #  - otherwise, all logged-in users can post
        if self.requires_permission_to_post_topics:
            acl.append((Allow, f"{self.group_id}:post_topic", "post_topic"))
            acl.append((Deny, Everyone, "post_topic"))

        acl.append((Allow, Authenticated, "post_topic"))

        # wiki_page_create:
        #  - requires being granted the "wiki.edit" permission
        acl.extend(
            aces_for_permission(
                required_permission="wiki.edit",
                granted_permission="wiki_page_create",
                group_id=self.group_id,
            )
        )

        acl.append(DENY_ALL)

        return acl
Esempio n. 2
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    def __acl__(self) -> AclType:
        """Pyramid security ACL."""
        acl = []

        # view:
        #  - all wiki pages can be viewed by everyone
        acl.append((Allow, Everyone, "view"))

        acl.extend(aces_for_permission("wiki.edit", self.group_id))

        acl.append(DENY_ALL)

        return acl
Esempio n. 3
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    def __acl__(self) -> AclType:  # noqa
        """Pyramid security ACL."""
        # deleted topics allow "general" viewing, but nothing else
        if self.is_deleted:
            return [(Allow, Everyone, "view"), DENY_ALL]

        acl = []

        # permissions that need to be granted specifically
        acl.extend(aces_for_permission("topic.move", self.group_id))
        acl.extend(aces_for_permission("topic.remove", self.group_id))
        acl.extend(aces_for_permission("topic.lock", self.group_id))

        # view:
        #  - everyone gets "general" viewing permission for all topics
        acl.append((Allow, Everyone, "view"))

        # view_author:
        #  - removed topics' author is only visible to author and users who can remove
        #  - otherwise, everyone can view the author
        if self.is_removed:
            acl.append((Allow, self.user_id, "view_author"))
            acl.extend(
                aces_for_permission(
                    required_permission="topic.remove",
                    granted_permission="view_author",
                    group_id=self.group_id,
                )
            )
            acl.append((Deny, Everyone, "view_author"))

        acl.append((Allow, Everyone, "view_author"))

        # view_content:
        #  - removed topics' content is only visible to author and users who can remove
        #  - otherwise, everyone can view the content
        if self.is_removed:
            acl.append((Allow, self.user_id, "view_content"))
            acl.extend(
                aces_for_permission(
                    required_permission="topic.remove",
                    granted_permission="view_content",
                    group_id=self.group_id,
                )
            )
            acl.append((Deny, Everyone, "view_content"))

        acl.append((Allow, Everyone, "view_content"))

        # vote:
        #  - removed topics can't be voted on by anyone
        #  - if voting has been closed, nobody can vote
        #  - otherwise, logged-in users except the author can vote
        if self.is_removed:
            acl.append((Deny, Everyone, "vote"))

        if self.is_voting_closed:
            acl.append((Deny, Everyone, "vote"))

        acl.append((Deny, self.user_id, "vote"))
        acl.append((Allow, Authenticated, "vote"))

        # comment:
        #  - removed topics can only be commented on by users who can remove
        #  - locked topics can only be commented on by users who can lock
        #  - otherwise, logged-in users can comment
        if self.is_removed:
            acl.extend(
                aces_for_permission(
                    required_permission="topic.remove",
                    granted_permission="comment",
                    group_id=self.group_id,
                )
            )
            acl.append((Deny, Everyone, "comment"))

        if self.is_locked:
            acl.extend(
                aces_for_permission(
                    required_permission="topic.lock",
                    granted_permission="comment",
                    group_id=self.group_id,
                )
            )
            acl.append((Deny, Everyone, "comment"))

        acl.append((Allow, Authenticated, "comment"))

        # edit:
        #  - only text topics can be edited
        #  - authors can edit their own topics
        #  - topics by the generic/automatic user can be edited with permission
        if self.is_text_type:
            acl.append((Allow, self.user_id, "edit"))

            if self.user_id == -1:
                acl.extend(
                    aces_for_permission(
                        required_permission="topic.edit_by_generic_user",
                        granted_permission="edit",
                        group_id=self.group_id,
                    )
                )

        # delete:
        #  - only the author can delete
        acl.append((Allow, self.user_id, "delete"))

        # tag:
        #  - allow tagging by the author, and users specifically granted permission
        acl.append((Allow, self.user_id, "tag"))
        acl.extend(aces_for_permission("topic.tag", self.group_id))

        # bookmark:
        #  - logged-in users can bookmark topics
        acl.append((Allow, Authenticated, "bookmark"))

        # ignore:
        #  - logged-in users can ignore topics
        acl.append((Allow, Authenticated, "ignore"))

        # edit_title:
        #  - allow users to edit their own topic's title for the first 5 minutes
        #  - otherwise, only if granted permission specifically
        if self.age < timedelta(minutes=5):
            acl.append((Allow, self.user_id, "edit_title"))
        acl.extend(aces_for_permission("topic.edit_title", self.group_id))

        # edit_link:
        #  - only if granted specifically, only on link topics
        if self.is_link_type:
            acl.extend(aces_for_permission("topic.edit_link", self.group_id))

        acl.append(DENY_ALL)

        return acl
Esempio n. 4
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def _principals_granted_permission(permission, group_id):
    aces = aces_for_permission(permission, group_id)

    return set([ace[1] for ace in aces if ace[0] == Allow])
Esempio n. 5
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    def __acl__(self) -> AclType:
        """Pyramid security ACL."""
        # nobody has any permissions on deleted comments
        if self.is_deleted:
            return [DENY_ALL]

        acl = []

        acl.extend(
            aces_for_permission("comment.view_labels", self.topic.group_id))
        acl.extend(aces_for_permission("comment.remove", self.topic.group_id))

        # view:
        #  - removed comments can only be viewed by the author, and users with remove
        #    permission
        #  - otherwise, everyone can view
        if self.is_removed:
            acl.append((Allow, self.user_id, "view"))
            acl.extend(
                aces_for_permission(
                    required_permission="comment.remove",
                    granted_permission="view",
                    group_id=self.topic.group_id,
                ))
            acl.append((Deny, Everyone, "view"))

        acl.append((Allow, Everyone, "view"))

        # view exemplary reasons:
        #  - only author gets shown the reasons ("view_labels" does this too)
        acl.append((Allow, self.user_id, "view_exemplary_reasons"))

        # vote:
        #  - removed comments can't be voted on by anyone
        #  - if voting has been closed, nobody can vote
        #  - otherwise, logged-in users except the author can vote
        if self.is_removed:
            acl.append((Deny, Everyone, "vote"))

        if self.is_voting_closed:
            acl.append((Deny, Everyone, "vote"))

        acl.append((Deny, self.user_id, "vote"))
        acl.append((Allow, Authenticated, "vote"))

        # label:
        #  - removed comments can't be labeled by anyone
        #  - otherwise, people with the "comment.label" permission other than the author
        if self.is_removed:
            acl.append((Deny, Everyone, "label"))

        acl.append((Deny, self.user_id, "label"))
        acl.extend(aces_for_permission("comment.label", self.topic.group_id))

        # reply:
        #  - removed comments can only be replied to by users who can remove
        #  - if the topic is locked, only users that can lock the topic can reply
        #  - otherwise, logged-in users can reply
        if self.is_removed:
            acl.extend(
                aces_for_permission(
                    required_permission="comment.remove",
                    granted_permission="reply",
                    group_id=self.topic.group_id,
                ))
            acl.append((Deny, Everyone, "reply"))

        if self.topic.is_locked:
            lock_principals = principals_allowed_by_permission(
                self.topic, "lock")
            acl.extend([(Allow, principal, "reply")
                        for principal in lock_principals])
            acl.append((Deny, Everyone, "reply"))

        acl.append((Allow, Authenticated, "reply"))

        # edit:
        #  - only the author can edit
        acl.append((Allow, self.user_id, "edit"))

        # delete:
        #  - only the author can delete
        acl.append((Allow, self.user_id, "delete"))

        # mark_read:
        #  - logged-in users can mark comments read
        acl.append((Allow, Authenticated, "mark_read"))

        # bookmark:
        #  - logged-in users can bookmark comments
        acl.append((Allow, Authenticated, "bookmark"))

        acl.append(DENY_ALL)

        return acl