From f34d927e8cec45cf65ccee3197b46f4482b2b273 Mon Sep 17 00:00:00 2001
From: Philip Molares
Date: Mon, 19 Apr 2021 12:31:14 +0200
Subject: ImageRouterImgur: Replace imgur library with note-fetch request

This kinda is a backport of https://github.com/hedgedoc/hedgedoc/pull/961

Signed-off-by: Philip Molares <philip.molares@udo.edu>
---
 lib/web/imageRouter/imgur.js | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/lib/web/imageRouter/imgur.js b/lib/web/imageRouter/imgur.js
index dcb03a7a..ed0e1182 100644
--- a/lib/web/imageRouter/imgur.js
+++ b/lib/web/imageRouter/imgur.js
@@ -1,8 +1,8 @@
 'use strict'
 const config = require('../../config')
 const logger = require('../../logger')
-
-const imgur = require('imgur')
+const fs = require('fs')
+const fetch = require('node-fetch')
 
 exports.uploadImage = function (imagePath, callback) {
   if (!callback || typeof callback !== 'function') {
@@ -15,12 +15,30 @@ exports.uploadImage = function (imagePath, callback) {
     return
   }
 
-  imgur.setClientId(config.imgur.clientID)
-  imgur.uploadFile(imagePath)
-    .then(function (json) {
+  // The following client ID is for use with HedgeDoc only
+  const clientId = config.imgur.clientID || '032aa2f687790cd'
+
+  const buffer = fs.readFileSync(imagePath)
+
+  const params = new URLSearchParams()
+  params.append('image', buffer.toString('base64'))
+  params.append('type', 'base64')
+  fetch('https://api.imgur.com/3/image', {
+    method: 'POST',
+    body: params,
+    headers: { Authorization: `Client-ID ${clientId}` }
+  })
+    .then((res) => {
+      if (!res.ok) {
+        callback(new Error(res.statusText), null)
+        return
+      }
+      return res.json()
+    })
+    .then((json) => {
       logger.debug(`SERVER uploadimage success: ${JSON.stringify(json)}`)
       callback(null, json.data.link.replace(/^http:\/\//i, 'https://'))
-    }).catch(function (err) {
+    }).catch((err) => {
       callback(new Error(err), null)
     })
 }
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