mirror of
https://ghfast.top/https://github.com/discourse/discourse-signatures.git
synced 2026-05-01 17:25:24 +08:00
3af3307708
* FEATURE: Add group, category, and display restrictions for signatures Adds five new site settings to control signature behavior: - signatures_allowed_groups: restrict signatures to specific groups (server-side enforced in both serializers and user update hook) - signatures_show_in_categories: limit signature display to specific categories - signatures_first_post_only: only show signatures on the OP - signatures_max_length: cap advanced mode signature length - signatures_max_image_height: constrain signature image height Also hardens URL validation (HTTP/HTTPS only) and reduces signature_url max_length from 32KB to 2048. All defaults are backward-compatible (empty/false = no change).
98 lines
3.3 KiB
Ruby
98 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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# name: discourse-signatures
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# about: Adds signatures to Discourse posts
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# meta_topic_id: 42263
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# version: 2.2.0
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# author: Rafael Silva <xfalcox@gmail.com>
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# url: https://github.com/discourse/discourse-signatures
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enabled_site_setting :signatures_enabled
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DiscoursePluginRegistry.serialized_current_user_fields << "see_signatures"
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DiscoursePluginRegistry.serialized_current_user_fields << "signature_url"
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DiscoursePluginRegistry.serialized_current_user_fields << "signature_raw"
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after_initialize do
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register_user_custom_field_type("see_signatures", :boolean)
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register_user_custom_field_type("signature_url", :string, max_length: 2048)
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register_user_custom_field_type("signature_raw", :string, max_length: 10_000)
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# add to class and serializer to allow for default value for the setting
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add_to_class(:user, :see_signatures) do
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if custom_fields["see_signatures"] != nil
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custom_fields["see_signatures"]
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else
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SiteSetting.signatures_visible_by_default
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end
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end
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add_to_serializer(:user, :see_signatures) { object.see_signatures }
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add_to_serializer(:current_user, :can_have_signature) do
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allowed_groups = SiteSetting.signatures_allowed_groups_map
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allowed_groups.blank? || object.in_any_groups?(allowed_groups)
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end
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register_editable_user_custom_field :see_signatures
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register_editable_user_custom_field :signature_url
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register_editable_user_custom_field :signature_raw
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allow_public_user_custom_field :signature_cooked
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allow_public_user_custom_field :signature_url
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add_to_serializer(:post, :user_signature) do
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return nil unless object.user
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allowed_groups = SiteSetting.signatures_allowed_groups_map
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return nil if allowed_groups.present? && !object.user.in_any_groups?(allowed_groups)
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if SiteSetting.signatures_advanced_mode
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object.user.custom_fields["signature_cooked"]
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else
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object.user.custom_fields["signature_url"]
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end
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end
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on(:user_updated) do |user|
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allowed_groups = SiteSetting.signatures_allowed_groups_map
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if allowed_groups.present? && !user.in_any_groups?(allowed_groups)
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user.custom_fields.delete("signature_url")
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user.custom_fields.delete("signature_raw")
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user.custom_fields.delete("signature_cooked")
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user.save
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next
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end
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if user.custom_fields["signature_url"].present?
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url = user.custom_fields["signature_url"]
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begin
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parsed = URI.parse(url)
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raise URI::InvalidURIError unless parsed.is_a?(URI::HTTP) || parsed.is_a?(URI::HTTPS)
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rescue URI::InvalidURIError
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user.custom_fields.delete("signature_url")
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user.save
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end
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end
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if SiteSetting.signatures_advanced_mode && user.custom_fields["signature_raw"]
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raw = user.custom_fields["signature_raw"]
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max_length = SiteSetting.signatures_max_length
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raw = raw[0...max_length] if raw.length > max_length
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user.custom_fields["signature_raw"] = raw
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cooked_sig =
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PrettyText.cook(
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raw,
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omit_nofollow: user.has_trust_level?(TrustLevel[3]) && !SiteSetting.tl3_links_no_follow,
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)
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# avoid infinite recursion
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if cooked_sig != user.custom_fields["signature_cooked"]
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user.custom_fields["signature_cooked"] = cooked_sig
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user.save
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end
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end
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end
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end
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register_asset "stylesheets/common/signatures.scss"
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