0

CURRENTLY

I am trying to send an image file to Lambda via API, such that it can be onsent to Textract. Textract requires the file to be converted to "bytes", which I successfully achieved with this code: https://stackoverflow.com/a/69868101/1730260 but this code sent the file as a string, which only works for small files. Larger files converted to strings get too big i.e. bigger than 10MB, and then API Gateway will not accept.

So, instead, I am trying to send the image file in blob format.

I have a REST API request from Google Apps Script that looks like this:

Google Apps Script js:

  let folder = DriveApp.getFolderById(folder_id);
  let files = folder.getFiles();
  let file = files.next();
  let package = file.getBlob();

  var options = {
    method: "POST",
    headers: {
       "Content-Type": "image/jpeg",
    },
    payload: package,
  };

  var response = UrlFetchApp.fetch("https://api_address",options);

API Gateway Configurations

  • Type: LAMBDA_PROXY
  • Content Encoding: false
  • Binary Media Types: image/png image/jpeg

AWS Lambda js:

"use strict";

const AWS = require("aws-sdk");


exports.handler = async (event) => {
  let file = event.body;
  console.log("file:"+file)

  let textract = new AWS.Textract();
  let doc = params["doc"];
  let config = {
    Document: {
      Bytes: Buffer.from(file), //<--- this is where issue is happening
      FeatureTypes: ["TABLES"],
    }
  };
  textract.analyzeDocument(config, function (err, data) {
    console.log("analyzing...");
    if (err) {
      console.log(err, err.stack);
    }
    // an error occurred
    else {
      console.log("data:" + JSON.stringfy(data));
    } // successful response
  });
}

Console Log Output:

file: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....

UnsupportedDocumentException: Request has unsupported document format

NOTES

  • if I stringify the payload in the request, the size gets above 10MB and returns error HTTP content length exceeded 10485760 bytes

REQUEST

This is the format I need to get my code working (as it worked before with a different smaller image):

-1,-40,-1,-32,0,16,74,70,73,70,0,1,1,1,0,96,0,96,0,0,-1,-31,0,34,69,120,105,102,0,0,77,77,0,42,0,0,0,8,0,1,1,18,0,3,0,0,0,1,0,1,0,0,0,0,0,0,-1,-37,0,67,0,2,1,1,2,1,1,2,2,2,2,2,2,2,2,3,5,3,3,3,3,3,6,4,4,3,5,7,6,7,7,7,6,7,7,8,9,11,9,8,8,10,8,7,7,10,13,10,10,11,12,12,12,12,7,9,14,15,13,12,14,11,12,12,12,-1,-37,0,67,1,2,2,2,3,3,3,6,3,3,6,12,8,7,8,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,-1,-64,0,17,8,0,-96,1,86,3,1,34,0,2,17,1,3,17,1,-1,-60,0,31,0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,-1,-60,0,-75,16,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125,1,2,3,0,4,17,5,18,33,49,65,6,19,81,97,7,34,113,20,50,-127,-111,-95,8,35,66,-79,-63,21,82,-47,-16,36,51,98,114,-126,9,10,22,23,24,25,26,37,38,39,40,41,42,52,53,54,55,56,57,58,67,68,69,70,71,72,73,74,83,84,85,86,87,88,89,90,99,100,101,102,103,104,105,106,115,116,117,118,119,120,121,122,-125,-124,-123,-122,-121,-120,-119,-118,-110,-109,-108,-107,-106,-105,-104,-103,-102,-94,-93,-92,-91,-90,-89,-88,-87,-86,-78,-77,-76,-75,-74,-73,-72,-71,-70,-62,-61,-60,-59,-58,-57,-56,-55,-54,-46,-45,-44,-43,-42,-41,-40,-39,-38,-31,-30,-29,-28,-27,-26,-25,-24,-23,-22,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-1,-60,0,31,1,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,-1,-60,0,-75,17,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119,0,1,2,3,17,4,5,33,49,6,18,65,81,7,97,113,19,34,50,-127,8,20,66,-111,-95,-79,-63,9,35,51,82,-16,21,98,114,-47,10,22,36,52,-31,37,-15,23,24,25,26,38,39,40,41,42,53,54,55,56,57,58,67,68,69,70,71,72,73,74,83,84,85,86,87,88,89,90,99,100,101,102,103,104,105,106,115,116,117,118,119,120,121,122,-126,-125,-124,-123,-122,-121,-120,-119,-118,-110,-109,-108,-107,-106,-105,-104,-103,-102,-94,-93,-92,-91,-90,-89,-88,-87,-86,-78,-77,-76,-75,-74,-73,-72,-71,-70,-62,-61,-60,-59,-58,-57,-56,-55,-54,-46,-45,-44,-43,-42,-41,-40,-39,-38,-30,-29,-28,-27,-26,-25,-24,-23,-22,-14,-13,-12,-11,-10,-9,-8,-7,-6,-1,-38,0,12,3,1,0,2,17,3,17,0,63,0,-3,-4,-94,-118,40,0,-94,-118,51,64,5,20,102,-118,0,40,-93,52,102,-128,10,40,-93,56,-96,2,-118,51,70,104,0,-94,-116,-47,64,5,20,81,64,5,20,102,-118,0,40,-93,52,80,1,69,20,80,1,69,25,-93,52,0,81,70,115,70,104,0,-94,-118,40,0,-94,-116,-47,-102,0,40,-94,-118,0,40,-93,52,102,-128,10,40,-51,20,0,81,69,25,-51,0,20,81,69,0,20,81,69,0,20,81,69,0,20,81,65,25,20,1,-7,47,-1,0,7,25,-1,0,-63,121,-11,111,-8,39,-57,-123,116,95,3,-4,18,-15,39,-128,117,47,-120,-98,32,-110,-10,-49,93,-100,106,16,106,58,-105,-126,-68,-91,-73,104,-53,-39,-85,31,46,105,68,-20,80,-36,46,-36,68,112,-115,-37,-33,-2,15,-2,-35,30,27,-8,-7,-1,0,4,-127,-43,-75,15,11,-4,92,-16,-25,-117,62,38,120,119,-32,-16,-44,-11,-7,52,95,18,-63,121,-84,-23,26,-127,-46,89,-102,107,-127,4,-122,88,38,-13,-43,-50,91,107,7,83,-36,87,-28,23,-4,29,-25,-1,0,4,-11,-16,111,-20,-51,-5,68,120,87,-30,-42,-123,-87,120,-102,-21,-60,-97,27,-81,-11,75,-67,118,-38,-2,-26,9,44,109,26,-46,59,4,-116,90,-94,66,-114,-128,-119,91,119,-104,-14,100,-127,-116,119,-5,-53,-2,9,-13,-1,0,4,-110,-8,111,-5,4,-1,0,-63,37,-66,38,124,81,-16,126,-75,-29,125,75,-60,31,25,-66,10,-117,-19,110,-33,89,-68,-74,-102,-50,-43,-37,74,-106,-28,-117,101,-118,-34,39,85,-33,51,-113,-99,-36,-32,47,57,-55,60,77,-33,47,-83,82,91,-21,126,-23,-88,-67,23,-111,-76,-76,-59,80,75,-82,-53,-70,-26,87,111,-51,108,121,7,-4,26,45,-5,108,-8,-5,-29,38,-105,-5,69,106,-1,0,25,62,46,120,-61,-59,90,71,-123,32,-48,110,34,-68,-15,-97,-118,110,47,-83,-76,120,-33,-5,75,-51,117,-110,-22,86,88,85,-74,38,-30,8,7,98,-25,-96,-81,-39,47,-126,63,-75,47,-61,63,-38,94,-38,-10,-29,-31,-57,-60,111,2,-4,65,-73,-45,89,82,-18,79,13,-21,-10,-102,-78,90,-79,-28,9,12,18,56,66,123,3,-118,-2,90,-1,0,-32,-34,95,-8,37,-60,-65,-16,85,-1,0,27,124,74,-16,63,-119,60,127,-30,-97,7,-4,39,-47,98,-45,-75,79,18,105,-38,4,-47,-59,117,-81,93,-122,-71,91,21,-52,-120,-15,-127,22,110,95,115,-58,-8,36,0,-71,109,-53,-42,-4,22,-8,53,117,-1,0,4,93,-1,0,-125,-103,60,39,-16,-49,-64,-34,46,-42,47,52,24,124,87,-91,120,125,-18,46,72,73,-75,29,55,86,-118,-40,-101,107,-91,-116,4,-112,-81,-38,83,-99,-95,119,-60,-110,5,66,6,-33,102,-93,-115,74,-16,-92,-43,-100,-94,-83,-14,73,107,-22,-1,0,-49,-56,-29,-42,49,-85,82,58,-14,-69,-65,77,54,-4,62,-13,-12,-61,-2,14,14,-8,89,-15,-125,-57,-97,-76,-33,-127,-18,62,29,-2,-38,31,13,-1,0,102,-99,46,15,15,121,119,90,23,-120,-2,46,94,-8,54,-29,86,-105,-19,50,-97,-76,-91,-68,10,86,101,-38,66,121,-121,-100,-95,94,-43,-6,-65,117,-81,89,-8,79,-62,-115,-88,106,-102,-123,-99,-91,-115,-115,-65,-99,115,123,115,58,-57,12,72,-85,-106,-111,-92,98,0,80,50,75,19,-46,-65,-100,79,-8,61,27,63,-16,-33,31,9,73,-1,0,-95,47,-113,-4,14,-72,-81,90,-1,0,-125,-51,60,115,-15,19,72,-16,-41,-64,-51,5,103,-43,97,-8,67,-86,-59,115,62,-93,21,-95,49,-61,123,-87,-60,-47,20,73,-37,5,75,44,37,-102,37,110,50,101,108,29,-68,112,81,111,-22,112,107,-19,84,-102,-41,-90,-69,-73,-67,-69,47,67,-94,-92,111,93,47,-18,39,-89,-53,75,126,-89,-20,111,-122,63,-32,-92,95,-77,-65,-115,60,81,30,-121,-93,124,122,-8,47,-85,-21,83,73,-28,-57,97,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How do I convert the string currently in my console log to the above format?

Wronski
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  • If you want to convert the blob to the byte array for Google Apps Script, how about modifying `let package = file.getBlob()` to `let package = file.getBlob().getBytes()`? [Ref](https://developers.google.com/apps-script/reference/base/blob#getbytes) But If I misunderstood your question, I apologize. – Tanaike Jan 10 '22 at 07:25
  • @Tanaike, it is a different result, but still not accepted by textract: `LzlqLzRBQVFTa1pKUmdBQkFRQUFTQUJJQUFELzRTREdSWGhwWmdBQVRVMEFLZ0FBQUFnQUJnRVNBQU1BQUFBQkFBWUFBQUVhQUFVQUFBQUJBQUFBVmdFYkFBVUFBQUFCQUFBQVhnRW9BQU1BQUFBQkFBSUFBQUlUQUFNQUFBQUJBQUVBQUlkcEFBUUFBQUFCQUFBQVpnQUFBTUFBQUFCSUFBQUFBUUFBQUVnQUFBQUJBQWVRQUFBSEFBQUFCREF5TWpHUkFRQUhBQUFBQkFFQ0F3..." My question was to see if I could convert the format into the one I shared, but I will also consider seeing if Textract will accept another format. – Wronski Jan 10 '22 at 07:37
  • Thank you for replying. I have to apologize for my poor Ensligh skill. I had thought that you wanted to convert `file.getBlob()` to the byte array like `-1,-40,-1,,,,`. From your replying, do you want to convert `file.getBlob()` to the base64 encoded data or another data? Can I ask you about the detail of your goal? Or, for example, how about `let package = file.getBlob().getBytes().join(",")`? – Tanaike Jan 10 '22 at 07:41

1 Answers1

0

In case you are struggling with the API-gateway limit, then a better way would be to use Pre-signed URLs

You can upload upto 5GB with this method.

You can create a dedicated bucket for this purpose and configure a trigger. As soon as a file is uploaded to bucket, lambda will be triggered and it can process your image.

You can upload the image in any appropriate format that you want.

enter image description here

KnowledgeGainer
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