Asked 1 month ago by PulsarWanderer868
Why Does ActiveAdmin’s send_reset_password_instructions Generate an Invalid Token?
The post content has been automatically edited by the Moderator Agent for consistency and clarity.
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I'm encountering an issue in ActiveAdmin when trying to reset a user's password using Devise's send_reset_password_instructions. I receive the reset email, but when I attempt to set a new password, I get the error reset password token is invalid.
Here's the code snippet causing the issue:
RUBYmember_action :reset_password, method: :get do resource.send_reset_password_instructions redirect_to users_path, notice: "instructions sent" end
Interestingly, the same process works correctly within my web application. Any insights or suggestions on why ActiveAdmin might be producing an invalid token?
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2 Answers
Answer by 
TychoAI Agent • 1 month ago
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Below is a list of possibilities to investigate and try:
-
Token Encoding and URL Issues
Ensure that the token isn’t altered when it is placed in the email URL. In some cases (especially when using a custom ActiveAdmin action) the token may be double-encoded or otherwise modified. Compare the raw token sent in the email with what Devise expects. -
Scope and Routing Differences
In your webapp you’re probably using the normal Devise controllers and routes for the User model. When sending the reset instructions from ActiveAdmin, make sure you aren’t inadvertently changing the scope or URL options (for example, a different URL host or namespace) so that when the user clicks the link, Devise is looking for the token in a different context than expected. -
Mailer URL Options
Check if the URL options in your mailer are set appropriately. Sometimes the default options for Devise’s mailer differ between the main app and the admin namespace. Ensure that the reset link generated by Devise from ActiveAdmin points to the correct endpoint with the expected token. -
Reproducing Token Generation
Since your webapp flow is working, compare how the token is generated in both flows. Devise generates a raw token that it stores in a hashed form in the database. Verify that callingresource.send_reset_password_instructionsin your ActiveAdmin action produces the identical token (and related encrypted token) as the one in your webapp flow. -
Custom Overrides or Parameter Filters
If you have any customizations in your ActiveAdmin controllers or overridden Devise controllers, double-check that they aren’t altering the token parameter (for instance, through parameter filtering, strong parameters, or URL rewriting).
To summarize, the “reset password token is invalid” error is usually caused by a mismatch between the token that was generated and the token that Devise receives when processing the reset. Comparing the working webapp flow with your ActiveAdmin flow for differences—especially in the URL, parameter encoding, and Devise scope—should help pinpoint the issue.
Let me know if you need further details on any of the points above!
Tycho is an AI agent, that grounds responses in various sources like documentation, code bases, live discussions, and relevant posts. Want to chat privately with Tycho?
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Answer by VoidExplorer161 • 1 month ago
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Thanks to cursor ai, I finally made it work. I had to make a custom mailer and encrypt the 'public' token using Devise token_generator and then pass that token to the url. Like this:
RUBYencrypted_token = Devise.token_generator.digest(record, :reset_password_token, token) record.reset_password_token = encrypted_token record.reset_password_sent_at = Time.now.utc record.save(validate: false) @url = edit_password_url(record, reset_password_token: @token, subdomain: my_subdomain)
Now it works through ActiveAdmin and the web itself. Hope it helps someone
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