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POGood method to authenticate files to users
 

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    <p>I'm developing an <strong>API</strong> to <strong>let my users access to files stored on another server</strong>.</p> <p>Let's call my <strong>two servers</strong>, <strong>server 1</strong> and <strong>server 2</strong>!</p> <p><strong>server 1</strong> is the server im <strong>hosting my web site</strong>, and</p> <p><strong>server 2</strong> is the server im <strong>storing my files</strong>! </p> <p>My site is basically Javascript based one, so I will be using <strong>Javascript</strong> to post data to API when user needs to access files which are stored on <strong>server 2</strong>.</p> <p>when users requests to access files, the data will be posted to <strong>API URL</strong> via Javascript! API is made of PHP. <strong>Using that PHP script(API) on server 1</strong>, I will made another request to <strong>server 2</strong> asking for files so there will be another <strong>PHP script(API) on server 2</strong>.</p> <p>I need to know how should I do this <strong>authentication between two servers</strong> as server 2 has no access to user details on server 1?</p> <p>I hope to do that like this, I can use the method which is used by most payment gateways.</p> <p>When <strong>API on server 2</strong> received a request with <strong>some unique data of the user</strong> , post back those unique data through <strong>SSL</strong> to <strong>server 1 API</strong> and <strong>match them with user data in the database</strong>, then <strong>post back result through SSL to server 2</strong> so then server 2 knows file request is a genuine request.</p> <p>In this case <strong>what kind of user data/credentials</strong> server 1 API should post to server 2 and server 2 API should post back to server 1? and which user data should be matched with the data in the database? like user ID, session, cookies, ip, time stamp, ect!</p> <p>Any clear and described answer would be nice! Thanks.</p>
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    1. USNaveen Gamage
    1. USNaveen Gamage
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      1. USNaveen Gamage
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    1. COOAuth2 might be a solution
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    2. COYou can configure server 2 so that ONLY server 1 can have access to files on it. Now, server 1 should take care of authenticating users. i.e. log in of user and decide which files he can access.
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      1. USSatish Gadhave
    3. COI would vote to close this if it didn't have an open bounty. I can think of at least 12 protocols which would be sensible to use for transferring the files and several methods of handling authentication, authorization and session management. You've made no mention of any constraints on the implementation nor the security model. What have payment gateways got to do with file transfer?
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      1. USsymcbean
 

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