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109 lines
2.7 KiB
Ruby
109 lines
2.7 KiB
Ruby
class EmailToken < ActiveRecord::Base
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belongs_to :user
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validates :token, :user_id, :email, presence: true
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before_validation(on: :create) do
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self.token = EmailToken.generate_token
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self.email = self.email.downcase if self.email
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end
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after_create do
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# Expire the previous tokens
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EmailToken.where(user_id: self.user_id)
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.where("id != ?", self.id)
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.update_all(expired: true)
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end
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def self.token_length
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16
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end
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def self.valid_after
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SiteSetting.email_token_valid_hours.hours.ago
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end
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def self.unconfirmed
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where(confirmed: false)
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end
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def self.active
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where(expired: false).where('created_at > ?', valid_after)
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end
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def self.generate_token
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SecureRandom.hex(EmailToken.token_length)
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end
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def self.valid_token_format?(token)
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token.present? && token =~ /\h{#{token.length / 2}}/i
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end
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def self.atomic_confirm(token)
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failure = { success: false }
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return failure unless valid_token_format?(token)
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email_token = confirmable(token)
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return failure if email_token.blank?
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user = email_token.user
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failure[:user] = user
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row_count = EmailToken.where(confirmed: false, id: email_token.id, expired: false).update_all 'confirmed = true'
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if row_count == 1
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{ success: true, user: user, email_token: email_token }
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else
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failure
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end
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end
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def self.confirm(token)
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User.transaction do
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result = atomic_confirm(token)
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user = result[:user]
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if result[:success]
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# If we are activating the user, send the welcome message
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user.send_welcome_message = !user.active?
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user.active = true
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user.email = result[:email_token].email
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user.save!
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user.set_automatic_groups
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end
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if user
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return User.find_by_email(user.email) if Invite.redeem_from_email(user.email).present?
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user
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end
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end
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rescue ActiveRecord::RecordInvalid
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# If the user's email is already taken, just return nil (failure)
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end
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def self.confirmable(token)
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EmailToken.where(token: token)
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.where(expired: false, confirmed: false)
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.where("created_at >= ?", EmailToken.valid_after)
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.includes(:user)
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.first
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end
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end
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# == Schema Information
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#
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# Table name: email_tokens
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#
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# id :integer not null, primary key
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# user_id :integer not null
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# email :string not null
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# token :string not null
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# confirmed :boolean default(FALSE), not null
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# expired :boolean default(FALSE), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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# Indexes
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#
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# index_email_tokens_on_token (token) UNIQUE
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# index_email_tokens_on_user_id (user_id)
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#
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