Generic Backend Server Documents Messages Accounts Blobs PDF SVG Sendmail Submit UDP

PDF Concatenation

The pdf call and concatenates a list of PDF file using pdfunite.

This call may be used to concatenate PDF files created using SVG to PDF.

Account configuration

To use the PDF call, the account must have the pdf flag set to true:

{"key": "...", "pdf": true, "...": null}

HTTP/REST Requests

POST /backend/pdf

Account: ACCOUNT ID

Timestamp: TIMESTAMP

Signature: SIGNATURE

{"sources": [{"#b": randomHex(32)}, {"#b": randomHex(32)}, "..."]}

Concatenates a list of PDF files to a single PDF file.

Response

200 with the object token of the generated PDF
204, if no source files are specified, and no PDF file is created
400, if a source file is missing
401, if the account ID or signature is missing or invalid
403, if the account is not allowed to use PDF concatenation

Account ID

Account key

Request

JavaScript

Using Backend.js, PDF files can be concatenated as follows:

const backend = new Backend('https://viereck.ch/backend');
const account = backend.account('your-account-id', '44705748... your-account-key');

const sources = [
	{'#b': '7b8cf18d...'},
	...
	];
account.pdf(sources, onDone, onError);

function onDone(token, request) {
	...
}

function onError(errorCode, request) {
	...
}

All PDF files must be uploaded beforehand, if necessary.