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dtheodor's avatar
dtheodor
Explorer | Level 3
10 years ago
Solved

Checksum, creation date, modification date

I have a couple of use cases when building 3rd party apps, for both personal and business, which as far as I can tell are not possible with the current API capabilities:     1. Checksum - File int...
API
  • Greg-DB's avatar
    Greg-DB
    10 years ago

    1. That's correct, the API doesn't currently expose any sort of file hash, but I'll be sure to pass this along as a feature request. 

     

    2. Likewise, the API doesn't offer creation timestamps. I'll send this as a request as well.

     

    3. You can set the client_modified time when uploading a file (e.g., using the client_modified parameter on /upload). The API doesn't offer the ability to override modified_by though. We'll consider that a feature request.

Greg-DB's avatar
Greg-DB
Icon for Dropbox Community Moderator rankDropbox Community Moderator
10 years ago

1. That's correct, the API doesn't currently expose any sort of file hash, but I'll be sure to pass this along as a feature request. 

 

2. Likewise, the API doesn't offer creation timestamps. I'll send this as a request as well.

 

3. You can set the client_modified time when uploading a file (e.g., using the client_modified parameter on /upload). The API doesn't offer the ability to override modified_by though. We'll consider that a feature request.

DreamPro's avatar
DreamPro
Helpful | Level 5
9 years ago

Greg,

 

Can you confirm, is point 1 actually a possiblility for the future and are you planning on rolling this out? If so can you please provide an ETA.

 

It really is a fundamental need of any file service API to know if your file was uploaded successfully, and if its intact as per the source.

 

I'm currently looking at all options and would love to use dropbox for my solution, but if i cannot check file integrity after upload, im afraid im going to have to look else where e.g. Amazon S3 etc.

 

Thanks.

  • Greg-DB's avatar
    Greg-DB
    Icon for Dropbox Community Moderator rankDropbox Community Moderator
    9 years ago
    I can't make any promises or offer a timeline unfortunately, but this is something we are aiming to add. I'll add your vote to the request for it.
    • Greg-DB's avatar
      Greg-DB
      Icon for Dropbox Community Moderator rankDropbox Community Moderator
      9 years ago
      The Dropbox API now offers a hash of file data that you can use to verify a file's contents. You can find it in FileMetadata.content_hash. It isn't a single MD5 or SHA1, but rather a combination of SHA256 hashes of the pieces of the file. You can find more information here:

      https://www.dropbox.com/developers/reference/content-hash
      • lgoldstein01's avatar
        lgoldstein01
        Helpful | Level 5
        2 years ago

        I have been trying to follow this thread but I'm focused on use of the web or desktop UI, not the API. I'm looking for a way to maintain the original (source) modification date rather that Dropbox showing the date it was uploaded.

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