From 174301ec27c06c49c674a5bafa4aafe4eb65c1d3 Mon Sep 17 00:00:00 2001
From: Dani Latorre <dani@danilat.com>
Date: Wed, 22 Sep 2021 13:29:05 +0200
Subject: [PATCH 1/2] Adding support to define the headers as a function in the
 Tus protocol plugin

---
 packages/@uppy/tus/src/index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/@uppy/tus/src/index.js b/packages/@uppy/tus/src/index.js
index c73741e249..f1ef595b4a 100644
--- a/packages/@uppy/tus/src/index.js
+++ b/packages/@uppy/tus/src/index.js
@@ -185,6 +185,10 @@ module.exports = class Tus extends BasePlugin {
         ...(file.tus || {}),
       }
 
+      if (typeof opts.headers === 'function') {
+        opts.headers = opts.headers(file)
+      }
+
       /** @type {RawTusOptions} */
       const uploadOptions = {
         ...tusDefaultOptions,

From f03f4a62619d490488f86961d4196283d54677c0 Mon Sep 17 00:00:00 2001
From: Dani Latorre <dani@danilat.com>
Date: Tue, 28 Sep 2021 16:52:43 +0200
Subject: [PATCH 2/2] Updating the TUS protocol documentation adding the
 explanation about how to add headers to the requests as a function

---
 website/src/docs/tus.md | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/website/src/docs/tus.md b/website/src/docs/tus.md
index 486f3b83c3..d4591dfa14 100644
--- a/website/src/docs/tus.md
+++ b/website/src/docs/tus.md
@@ -47,7 +47,25 @@ Destination URL for your uploads. This should be where your tus.io server is run
 
 ### `headers: {}`
 
-Additional request headers to send to the Tus endpoint when making requests.
+An object containing additional HTTP headers to send to the Tus endpoint when making requests.
+Keys are header names, values are header values.
+
+```js
+const headers = {
+  authorization: `Bearer ${window.getCurrentUserToken()}`,
+}
+```
+
+Header values can also be derived from file data by providing a function. The function receives a [File Object][File Objects] and must return an object where the keys are header names, and values are header values.
+
+```js
+const headers = (file) => {
+  return {
+    authorization: `Bearer ${window.getCurrentUserToken()}`,
+    expires: file.meta.expires,
+  }
+}
+```
 
 ### `chunkSize: Infinity`
 
@@ -80,3 +98,5 @@ Pass an array of field names to limit the metadata fields that will be added to
 Limit the amount of uploads going on at the same time. Setting this to `0` means there is no limit on concurrent uploads.
 
 [tus-js-client]: https://github.com/tus/tus-js-client
+
+[File Objects]: /docs/uppy/#File-Objects