search amazon cognito users by custom attribute
I'm developing a react native app which uses aws-amplify to interact with amazon cognito. In my use case, I need to ensure value of a custom attribute is unique across all accounts. aws-amplify does not seem to have an API which allows me to search across all accounts by a custom attribute. How can I do this?
javascript react-native amazon-cognito aws-amplify
asked Nov 14 '18 at 4:10
wseubrwseubr
1
add a comment |
I'm developing a react native app which uses aws-amplify to interact with amazon cognito. In my use case, I need to ensure value of a custom attribute is unique across all accounts. aws-amplify does not seem to have an API which allows me to search across all accounts by a custom attribute. How can I do this?
javascript react-native amazon-cognito aws-amplify
asked Nov 14 '18 at 4:10
wseubrwseubr
1
add a comment |
I'm developing a react native app which uses aws-amplify to interact with amazon cognito. In my use case, I need to ensure value of a custom attribute is unique across all accounts. aws-amplify does not seem to have an API which allows me to search across all accounts by a custom attribute. How can I do this?
javascript react-native amazon-cognito aws-amplify
asked Nov 14 '18 at 4:10
wseubrwseubr
1
I'm developing a react native app which uses aws-amplify to interact with amazon cognito. In my use case, I need to ensure value of a custom attribute is unique across all accounts. aws-amplify does not seem to have an API which allows me to search across all accounts by a custom attribute. How can I do this?
javascript react-native amazon-cognito aws-amplify
javascript react-native amazon-cognito aws-amplify
asked Nov 14 '18 at 4:10
wseubrwseubr
1
asked Nov 14 '18 at 4:10
wseubrwseubr
1
asked Nov 14 '18 at 4:10
wseubrwseubr
1
asked Nov 14 '18 at 4:10
wseubrwseubr
1
asked Nov 14 '18 at 4:10
wseubrwseubr
1
1
add a comment |
add a comment |
1 Answer
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Unfortunately you simply can't using Cognito alone:
https://docs.aws.amazon.com/cognito/latest/developerguide/how-to-manage-user-accounts.html#cognito-user-pools-searching-for-users-using-listusers-api
Custom attributes are not searchable. This is because only indexed attributes are searchable, and custom attributes cannot be indexed.
Your only option will be to keep your own database relating the user to the attribute value, and enforce uniqueness there. For example in DynamoDB you would record the user's sub (unique Cognito identity) and the value of the custom attribute as sort/partition keys accordingly, ensure that normal cognito clients could only read the custom attribute, and provide your own API (lambda + api-gateway) to attempt to add/update the table and use the cognito Admin API to update the 'read-only' custom attribute on the user.
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
add a comment |
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1 Answer
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1 Answer
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active
oldest
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votes
Unfortunately you simply can't using Cognito alone:
https://docs.aws.amazon.com/cognito/latest/developerguide/how-to-manage-user-accounts.html#cognito-user-pools-searching-for-users-using-listusers-api
Custom attributes are not searchable. This is because only indexed attributes are searchable, and custom attributes cannot be indexed.
Your only option will be to keep your own database relating the user to the attribute value, and enforce uniqueness there. For example in DynamoDB you would record the user's sub (unique Cognito identity) and the value of the custom attribute as sort/partition keys accordingly, ensure that normal cognito clients could only read the custom attribute, and provide your own API (lambda + api-gateway) to attempt to add/update the table and use the cognito Admin API to update the 'read-only' custom attribute on the user.
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
add a comment |
Unfortunately you simply can't using Cognito alone:
https://docs.aws.amazon.com/cognito/latest/developerguide/how-to-manage-user-accounts.html#cognito-user-pools-searching-for-users-using-listusers-api
Custom attributes are not searchable. This is because only indexed attributes are searchable, and custom attributes cannot be indexed.
Your only option will be to keep your own database relating the user to the attribute value, and enforce uniqueness there. For example in DynamoDB you would record the user's sub (unique Cognito identity) and the value of the custom attribute as sort/partition keys accordingly, ensure that normal cognito clients could only read the custom attribute, and provide your own API (lambda + api-gateway) to attempt to add/update the table and use the cognito Admin API to update the 'read-only' custom attribute on the user.
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
add a comment |
Unfortunately you simply can't using Cognito alone:
https://docs.aws.amazon.com/cognito/latest/developerguide/how-to-manage-user-accounts.html#cognito-user-pools-searching-for-users-using-listusers-api
Custom attributes are not searchable. This is because only indexed attributes are searchable, and custom attributes cannot be indexed.
Your only option will be to keep your own database relating the user to the attribute value, and enforce uniqueness there. For example in DynamoDB you would record the user's sub (unique Cognito identity) and the value of the custom attribute as sort/partition keys accordingly, ensure that normal cognito clients could only read the custom attribute, and provide your own API (lambda + api-gateway) to attempt to add/update the table and use the cognito Admin API to update the 'read-only' custom attribute on the user.
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
Unfortunately you simply can't using Cognito alone:
https://docs.aws.amazon.com/cognito/latest/developerguide/how-to-manage-user-accounts.html#cognito-user-pools-searching-for-users-using-listusers-api
Custom attributes are not searchable. This is because only indexed attributes are searchable, and custom attributes cannot be indexed.
Your only option will be to keep your own database relating the user to the attribute value, and enforce uniqueness there. For example in DynamoDB you would record the user's sub (unique Cognito identity) and the value of the custom attribute as sort/partition keys accordingly, ensure that normal cognito clients could only read the custom attribute, and provide your own API (lambda + api-gateway) to attempt to add/update the table and use the cognito Admin API to update the 'read-only' custom attribute on the user.
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
answered Nov 14 '18 at 9:28
thomasmichaelwallacethomasmichaelwallace
2,5951917
2,5951917
add a comment |
add a comment |
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