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How to secure Spring Data REST associations requests?


How to use java.net.URLConnection to fire and handle HTTP requestsHow to configure port for a Spring Boot applicationSpring data REST: Update a resource´s association using proper HTTP methodSpring Data Rest - _linksAdding associated elements with Spring Data REST and Restangularbest way to save child resource Spring Data RESTHow to avoid Spring Data Rest throwing HTTP 400 when an AccessDeniedException occurs on a controllerSpring Rest API Oauth2 SecurityExposing both parent and child entities as REST repositories in Spring Data RESTSaving Multipart Form Data With Spring Security giving error HTTP Status 405 - Request method 'POST' not supported






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1















I'v created REST API using Spring Data REST. I have entity User and Post, where User can have multiple posts (One to Many). Now I need to add posts to my user. But I need that userA can't have possibilities to delete or update posts of userB.



Api structure




"_links":
"users":
"href": "http://localhost:8081/api/users?page,size,sort",
"templated": true
,
"posts":
"href": "http://localhost:8081/api/posts?page,size,sort",
"templated": true

"profile":
"href": "http://localhost:8081/api/profile"





User structure




"id": 1,
"username": null,
"password": null,
"_links":
"self":
"href": "http://localhost:8081/api/users/1"
,
"user":
"href": "http://localhost:8081/api/users/1"
,
"posts":
"href": "http://localhost:8081/api/users/1/posts"





There are several ways to add related entity throw links.
Using PUT method and text/uri-list content type:



PUT /api/posts/1/user? HTTP/1.1
Host: localhost:8081
Content-Type: text/uri-list
Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
cache-control: no-cache
http://localhost:8081/api/users/1


But with this way I can add any URI to body and add any random user to random post, and I think, there is a security problem here.
Next method to add related resource is to add it in JSON like this:



PATCH /api/posts/1? HTTP/1.1
Host: localhost:8081
Content-Type: application/json
Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
cache-control: no-cache

"user": "http://localhost:8081/api/users/1"



But and in this method the same problem. Any user can be added to any post.



Now I see only one solve of this problem - is customizing rest repository and check if added user is current authenticated user.










share|improve this question




























    1















    I'v created REST API using Spring Data REST. I have entity User and Post, where User can have multiple posts (One to Many). Now I need to add posts to my user. But I need that userA can't have possibilities to delete or update posts of userB.



    Api structure




    "_links":
    "users":
    "href": "http://localhost:8081/api/users?page,size,sort",
    "templated": true
    ,
    "posts":
    "href": "http://localhost:8081/api/posts?page,size,sort",
    "templated": true

    "profile":
    "href": "http://localhost:8081/api/profile"





    User structure




    "id": 1,
    "username": null,
    "password": null,
    "_links":
    "self":
    "href": "http://localhost:8081/api/users/1"
    ,
    "user":
    "href": "http://localhost:8081/api/users/1"
    ,
    "posts":
    "href": "http://localhost:8081/api/users/1/posts"





    There are several ways to add related entity throw links.
    Using PUT method and text/uri-list content type:



    PUT /api/posts/1/user? HTTP/1.1
    Host: localhost:8081
    Content-Type: text/uri-list
    Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
    cache-control: no-cache
    http://localhost:8081/api/users/1


    But with this way I can add any URI to body and add any random user to random post, and I think, there is a security problem here.
    Next method to add related resource is to add it in JSON like this:



    PATCH /api/posts/1? HTTP/1.1
    Host: localhost:8081
    Content-Type: application/json
    Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
    cache-control: no-cache

    "user": "http://localhost:8081/api/users/1"



    But and in this method the same problem. Any user can be added to any post.



    Now I see only one solve of this problem - is customizing rest repository and check if added user is current authenticated user.










    share|improve this question
























      1












      1








      1








      I'v created REST API using Spring Data REST. I have entity User and Post, where User can have multiple posts (One to Many). Now I need to add posts to my user. But I need that userA can't have possibilities to delete or update posts of userB.



      Api structure




      "_links":
      "users":
      "href": "http://localhost:8081/api/users?page,size,sort",
      "templated": true
      ,
      "posts":
      "href": "http://localhost:8081/api/posts?page,size,sort",
      "templated": true

      "profile":
      "href": "http://localhost:8081/api/profile"





      User structure




      "id": 1,
      "username": null,
      "password": null,
      "_links":
      "self":
      "href": "http://localhost:8081/api/users/1"
      ,
      "user":
      "href": "http://localhost:8081/api/users/1"
      ,
      "posts":
      "href": "http://localhost:8081/api/users/1/posts"





      There are several ways to add related entity throw links.
      Using PUT method and text/uri-list content type:



      PUT /api/posts/1/user? HTTP/1.1
      Host: localhost:8081
      Content-Type: text/uri-list
      Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
      cache-control: no-cache
      http://localhost:8081/api/users/1


      But with this way I can add any URI to body and add any random user to random post, and I think, there is a security problem here.
      Next method to add related resource is to add it in JSON like this:



      PATCH /api/posts/1? HTTP/1.1
      Host: localhost:8081
      Content-Type: application/json
      Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
      cache-control: no-cache

      "user": "http://localhost:8081/api/users/1"



      But and in this method the same problem. Any user can be added to any post.



      Now I see only one solve of this problem - is customizing rest repository and check if added user is current authenticated user.










      share|improve this question














      I'v created REST API using Spring Data REST. I have entity User and Post, where User can have multiple posts (One to Many). Now I need to add posts to my user. But I need that userA can't have possibilities to delete or update posts of userB.



      Api structure




      "_links":
      "users":
      "href": "http://localhost:8081/api/users?page,size,sort",
      "templated": true
      ,
      "posts":
      "href": "http://localhost:8081/api/posts?page,size,sort",
      "templated": true

      "profile":
      "href": "http://localhost:8081/api/profile"





      User structure




      "id": 1,
      "username": null,
      "password": null,
      "_links":
      "self":
      "href": "http://localhost:8081/api/users/1"
      ,
      "user":
      "href": "http://localhost:8081/api/users/1"
      ,
      "posts":
      "href": "http://localhost:8081/api/users/1/posts"





      There are several ways to add related entity throw links.
      Using PUT method and text/uri-list content type:



      PUT /api/posts/1/user? HTTP/1.1
      Host: localhost:8081
      Content-Type: text/uri-list
      Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
      cache-control: no-cache
      http://localhost:8081/api/users/1


      But with this way I can add any URI to body and add any random user to random post, and I think, there is a security problem here.
      Next method to add related resource is to add it in JSON like this:



      PATCH /api/posts/1? HTTP/1.1
      Host: localhost:8081
      Content-Type: application/json
      Authorization: Bearer 270c6dc3-04a5-48cc-b42e-c275472df459
      cache-control: no-cache

      "user": "http://localhost:8081/api/users/1"



      But and in this method the same problem. Any user can be added to any post.



      Now I see only one solve of this problem - is customizing rest repository and check if added user is current authenticated user.







      java spring spring-security spring-data-rest






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 24 at 15:30









      John DevJohn Dev

      61




      61






















          1 Answer
          1






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          1














          Looking at your use case "Only User is responsible for CRUD operation on its POST"



          Yes one way of solving this would be "is customizing rest repository and check if added user is current authenticated user."



          Assuming you have Spring Security



          I would suggest you don't pass any User id for your Posts and pick up User from Logged in User ID from Security Context or from Token.



          This way your post will be independent of User at API level.






          share|improve this answer























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            1 Answer
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            active

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            active

            oldest

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            1














            Looking at your use case "Only User is responsible for CRUD operation on its POST"



            Yes one way of solving this would be "is customizing rest repository and check if added user is current authenticated user."



            Assuming you have Spring Security



            I would suggest you don't pass any User id for your Posts and pick up User from Logged in User ID from Security Context or from Token.



            This way your post will be independent of User at API level.






            share|improve this answer



























              1














              Looking at your use case "Only User is responsible for CRUD operation on its POST"



              Yes one way of solving this would be "is customizing rest repository and check if added user is current authenticated user."



              Assuming you have Spring Security



              I would suggest you don't pass any User id for your Posts and pick up User from Logged in User ID from Security Context or from Token.



              This way your post will be independent of User at API level.






              share|improve this answer

























                1












                1








                1







                Looking at your use case "Only User is responsible for CRUD operation on its POST"



                Yes one way of solving this would be "is customizing rest repository and check if added user is current authenticated user."



                Assuming you have Spring Security



                I would suggest you don't pass any User id for your Posts and pick up User from Logged in User ID from Security Context or from Token.



                This way your post will be independent of User at API level.






                share|improve this answer













                Looking at your use case "Only User is responsible for CRUD operation on its POST"



                Yes one way of solving this would be "is customizing rest repository and check if added user is current authenticated user."



                Assuming you have Spring Security



                I would suggest you don't pass any User id for your Posts and pick up User from Logged in User ID from Security Context or from Token.



                This way your post will be independent of User at API level.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 25 at 6:02









                MyTwoCentsMyTwoCents

                3,61021131




                3,61021131





























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