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How To: Mass password reset and email notification
# path: lib/tasks/devise.rake namespace :devise do desc "Send password reset instructions to all users (but does not actually reset passwords)" task send_password_reset_instructions: :environment do User.all.each do |user| # This only sends the password reset instructions, the # password is not changed. (Recipient has to click link # in email and follow instructions to actually change # the password). user.send_reset_password_instructions end end # DANGER! This locks out all users. You probably only want this when all passwords have been compromised. desc "DANGER: Resets all passwords AND then sends password reset instructions to all users. This will lockout all users until they reset their password." task reset_and_send_password_reset_instructions: :environment do User.all.each do |user| # Generate random, long password that the user will never know: new_password = Devise.friendly_token(50) user.reset_password(new_password, new_password) # Send instructions so user can enter a new password: user.send_reset_password_instructions end end end
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