I am trying to develop an app using the same DB as discourse. Discourse is run from: www.example.com/forums/ The app is run from: www.example.com/app/ Inside /app/ app on server side I have access to _t token. From the _t token how do I get the user id by querying the Postgres DB. I know I can use SSO but that requires making a request to the client side. So I want to keep things simple and get the logged in user’s identity by just querying the postgres DB directly from inside the app running at www.example.com/app/ In postgres table user_auth_tokens the field auth_tokens has the value “Gzfb6AV4VkGvumpIm54u6hxdBuU” In the cookie _t the value is 35d802b49d5565441aedf58410064505 From “35d802b49d5565441aedf58410064505” how do I derive “Gzfb6AV4VkGvumpIm54u6hxdBuU” ? I have the following hypothesis: In the DB table user_auth_tokens the field auth_tokens is storing the hashed value of the cookie _t. The hashing is being done by discourse/app/models/user_auth_token.rb at c68999e1283ea7f9bc50fe6e8df3c4ddc05b7df0 · discourse/discourse · GitHub Digest::SHA1.base64digest(“#{token}#{GlobalSetting.safe_secret_key_base}”) To get the value of GlobalSetting.safe_secret_key_base from redis I will get the value of SECRET_TOKEN 127.0.0.1:6379> get SECRET_TOKEN “eadc1240dfa7cccc5801e82f1b302913a91604a0d97dcc1fb7b44d8275037904fa517710d29059e53251f5bf46ebbe16d0686226a6bc5032bbafcc987a2bd30b” ref: discourse/app/models/global_setting.rb at a1ee61ec25d8de128faf46d765d1aeda9d880654 · discourse/discourse · GitHub Are my hypothesis correct? When I do sha1 for 35d802b49d5565441aedf58410064505eadc1240dfa7cccc5801e82f1b302913a91604a0d97dcc1fb7b44d8275037904fa517710d29059e53251f5bf46ebbe16d0686226a6bc5032bbafcc987a2bd30b I get 1b37dbe805785641afba6a489b9e2eea1c5d06e5 And base64digest for 1b37dbe805785641afba6a489b9e2eea1c5d06e5 is: MWIzN2RiZTgwNTc4NTY0MWFmYmE2YTQ4OWI5ZTJlZWExYzVkMDZlNQ== Why is it not matching the value stored in the table user_auth_tokens the field auth_tokens?

Putting aside the part where this is a Bad Idea™ because eventually Discourse will update and this will break… Are you sure you did that last step correctly? https://play.golang.org/p/6bWfZ8uDX5

[imagem] riking: Are you sure you did that last step correctly? Thank you. it works!!

From _t cookie how to get the current user id?

Development

vikaskedia (Vikas Kedia) 17 Setembro , 2017 19:33 3

Thank you. it works!!

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From _t cookie how to get the current user id?

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