discourse/app/services/staff_action_logger.rb

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# Responsible for logging the actions of admins and moderators.
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class StaffActionLogger
def self.base_attrs
[:topic_id, :post_id, :context, :subject, :ip_address, :previous_value, :new_value]
end
def initialize(admin)
@admin = admin
raise Discourse::InvalidParameters.new(:admin) unless @admin && @admin.is_a?(User)
end
def log_user_deletion(deleted_user, opts={})
raise Discourse::InvalidParameters.new(:deleted_user) unless deleted_user && deleted_user.is_a?(User)
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UserHistory.create( params(opts).merge({
action: UserHistory.actions[:delete_user],
email: deleted_user.email,
ip_address: deleted_user.ip_address.to_s,
details: [:id, :username, :name, :created_at, :trust_level, :last_seen_at, :last_emailed_at].map { |x| "#{x}: #{deleted_user.send(x)}" }.join("\n")
}))
end
def log_custom(custom_type, details=nil)
raise Discourse::InvalidParameters.new(:custom_type) unless custom_type
details ||= {}
attrs = {}
StaffActionLogger.base_attrs.each do |attr|
attrs[attr] = details.delete(attr) if details.has_key?(attr)
end
attrs[:details] = details.map {|r| "#{r[0]}: #{r[1]}"}.join("\n")
attrs[:acting_user_id] = @admin.id
attrs[:action] = UserHistory.actions[:custom_staff]
attrs[:custom_type] = custom_type
UserHistory.create(attrs)
end
def log_post_deletion(deleted_post, opts={})
raise Discourse::InvalidParameters.new(:deleted_post) unless deleted_post && deleted_post.is_a?(Post)
topic = deleted_post.topic || Topic.with_deleted.find(deleted_post.topic_id)
username = deleted_post.user.try(:username) || "unknown"
name = deleted_post.user.try(:name) || "unknown"
details = [
"id: #{deleted_post.id}",
"created_at: #{deleted_post.created_at}",
"user: #{username} (#{name})",
"topic: #{topic.title}",
"post_number: #{deleted_post.post_number}",
"raw: #{deleted_post.raw}"
]
UserHistory.create(params(opts).merge({
action: UserHistory.actions[:delete_post],
post_id: deleted_post.id,
details: details.join("\n")
}))
end
def log_topic_deletion(deleted_topic, opts={})
raise Discourse::InvalidParameters.new(:deleted_topic) unless deleted_topic && deleted_topic.is_a?(Topic)
details = [
"id: #{deleted_topic.id}",
"created_at: #{deleted_topic.created_at}",
"user: #{deleted_topic.user.username} (#{deleted_topic.user.name})",
"title: #{deleted_topic.title}"
]
if first_post = deleted_topic.ordered_posts.first
details << "raw: #{first_post.raw}"
end
UserHistory.create(params(opts).merge({
action: UserHistory.actions[:delete_topic],
topic_id: deleted_topic.id,
details: details.join("\n")
}))
end
def log_trust_level_change(user, old_trust_level, new_trust_level, opts={})
raise Discourse::InvalidParameters.new(:user) unless user && user.is_a?(User)
raise Discourse::InvalidParameters.new(:old_trust_level) unless TrustLevel.valid? old_trust_level
raise Discourse::InvalidParameters.new(:new_trust_level) unless TrustLevel.valid? new_trust_level
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UserHistory.create!( params(opts).merge({
action: UserHistory.actions[:change_trust_level],
target_user_id: user.id,
details: "old trust level: #{old_trust_level}\nnew trust level: #{new_trust_level}"
}))
end
def log_site_setting_change(setting_name, previous_value, new_value, opts={})
raise Discourse::InvalidParameters.new(:setting_name) unless setting_name.present? && SiteSetting.respond_to?(setting_name)
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UserHistory.create( params(opts).merge({
action: UserHistory.actions[:change_site_setting],
subject: setting_name,
previous_value: previous_value,
new_value: new_value
}))
end
SITE_CUSTOMIZATION_LOGGED_ATTRS = [
'stylesheet', 'mobile_stylesheet',
'header', 'mobile_header',
'top', 'mobile_top',
'footer', 'mobile_footer',
'head_tag',
'body_tag',
'position',
'enabled',
'key'
]
def log_site_customization_change(old_record, site_customization_params, opts={})
raise Discourse::InvalidParameters.new(:site_customization_params) unless site_customization_params
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UserHistory.create( params(opts).merge({
action: UserHistory.actions[:change_site_customization],
subject: site_customization_params[:name],
previous_value: old_record ? old_record.attributes.slice(*SITE_CUSTOMIZATION_LOGGED_ATTRS).to_json : nil,
new_value: site_customization_params.slice(*(SITE_CUSTOMIZATION_LOGGED_ATTRS.map(&:to_sym))).to_json
}))
end
def log_site_customization_destroy(site_customization, opts={})
raise Discourse::InvalidParameters.new(:site_customization) unless site_customization
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UserHistory.create( params(opts).merge({
action: UserHistory.actions[:delete_site_customization],
subject: site_customization.name,
previous_value: site_customization.attributes.slice(*SITE_CUSTOMIZATION_LOGGED_ATTRS).to_json
}))
end
def log_username_change(user, old_username, new_username, opts={})
raise Discourse::InvalidParameters.new(:user) unless user
UserHistory.create( params(opts).merge({
action: UserHistory.actions[:change_username],
target_user_id: user.id,
previous_value: old_username,
new_value: new_username
}))
end
def log_user_suspend(user, reason, opts={})
raise Discourse::InvalidParameters.new(:user) unless user
UserHistory.create( params(opts).merge({
action: UserHistory.actions[:suspend_user],
target_user_id: user.id,
details: reason
}))
end
def log_user_unsuspend(user, opts={})
raise Discourse::InvalidParameters.new(:user) unless user
UserHistory.create( params(opts).merge({
action: UserHistory.actions[:unsuspend_user],
target_user_id: user.id
}))
end
def log_badge_grant(user_badge, opts={})
raise Discourse::InvalidParameters.new(:user_badge) unless user_badge
UserHistory.create( params(opts).merge({
action: UserHistory.actions[:grant_badge],
target_user_id: user_badge.user_id,
details: user_badge.badge.name
}))
end
def log_badge_revoke(user_badge, opts={})
raise Discourse::InvalidParameters.new(:user_badge) unless user_badge
UserHistory.create( params(opts).merge({
action: UserHistory.actions[:revoke_badge],
target_user_id: user_badge.user_id,
details: user_badge.badge.name
}))
end
def log_check_email(user, opts={})
raise Discourse::InvalidParameters.new(:user) unless user
UserHistory.create(params(opts).merge({
action: UserHistory.actions[:check_email],
target_user_id: user.id
}))
end
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def log_show_emails(users, opts={})
return if users.blank?
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UserHistory.create(params(opts).merge({
action: UserHistory.actions[:check_email],
details: users.map { |u| "[#{u.id}] #{u.username}"}.join("\n")
}))
end
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def log_impersonate(user, opts={})
raise Discourse::InvalidParameters.new(:user) unless user
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UserHistory.create(params(opts).merge({
action: UserHistory.actions[:impersonate],
target_user_id: user.id
}))
end
def log_roll_up(subnets, opts={})
UserHistory.create(params(opts).merge({
action: UserHistory.actions[:roll_up],
details: subnets.join(", ")
}))
end
def log_category_settings_change(category, category_params, old_permissions=nil)
validate_category(category)
changed_attributes = category.previous_changes.slice(*category_params.keys)
if !old_permissions.empty? && (old_permissions != category_params[:permissions])
changed_attributes.merge!({ permissions: [old_permissions.to_json, category_params[:permissions].to_json] })
end
changed_attributes.each do |key, value|
UserHistory.create(params.merge({
action: UserHistory.actions[:change_category_settings],
category_id: category.id,
context: category.url,
subject: key,
previous_value: value[0],
new_value: value[1]
}))
end
end
def log_category_deletion(category)
validate_category(category)
details = [
"created_at: #{category.created_at}",
"name: #{category.name}",
"permissions: #{category.permissions_params}"
]
if parent_category = category.parent_category
details << "parent_category: #{parent_category.name}"
end
UserHistory.create(params.merge({
action: UserHistory.actions[:delete_category],
category_id: category.id,
details: details.join("\n"),
context: category.url
}))
end
def log_category_creation(category)
validate_category(category)
details = [
"created_at: #{category.created_at}",
"name: #{category.name}"
]
UserHistory.create(params.merge({
action: UserHistory.actions[:create_category],
details: details.join("\n"),
category_id: category.id,
context: category.url
}))
end
private
def params(opts=nil)
opts ||= {}
{ acting_user_id: @admin.id, context: opts[:context] }
end
def validate_category(category)
raise Discourse::InvalidParameters.new(:category) unless category && category.is_a?(Category)
end
end