From 689117ac982a1989d7522d6fe980a40c063b15d2 Mon Sep 17 00:00:00 2001
From: Bram Hagens <bram@bramh.me>
Date: Thu, 8 Feb 2024 00:23:58 +0100
Subject: [PATCH] feat: add discord support

---
 src/serviceProviders/discord.js | 96 +++++++++++++++++++++++++++++++++
 src/serviceProviders/index.js   |  4 +-
 2 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 src/serviceProviders/discord.js

diff --git a/src/serviceProviders/discord.js b/src/serviceProviders/discord.js
new file mode 100644
index 0000000..c83ae04
--- /dev/null
+++ b/src/serviceProviders/discord.js
@@ -0,0 +1,96 @@
+/*
+Copyright 2024 Bram Hagens
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+/**
+ * Discord service provider
+ * @module serviceProviders/discord
+ * @example
+ * import { ServiceProviderDefinitions } from 'doipjs';
+ * const sp = ServiceProviderDefinitions.data.discord.processURI('https://discord.com/invite/AbCdEf');
+ */
+
+import * as E from '../enums.js'
+import { ServiceProvider } from '../serviceProvider.js'
+
+export const reURI = /^https:\/\/discord\.com\/invite\/(.+)/
+
+/**
+ * @function
+ * @param {string} uri - Claim URI to process
+ * @returns {ServiceProvider} The service provider information based on the claim URI
+ */
+export function processURI (uri) {
+  const match = uri.match(reURI)
+
+  return new ServiceProvider({
+    about: {
+      id: 'discord',
+      name: 'Discord',
+      homepage: 'https://discord.com'
+    },
+    profile: {
+      display: null,
+      uri: null,
+      qr: null
+    },
+    claim: {
+      uriRegularExpression: reURI.toString(),
+      uriIsAmbiguous: false
+    },
+    proof: {
+      request: {
+        uri: `https://discord.com/api/v9/invites/${match[1]}`,
+        fetcher: E.Fetcher.HTTP,
+        accessRestriction: E.ProofAccessRestriction.NOCORS,
+        data: {
+          url: `https://discord.com/api/v9/invites/${match[1]}`,
+          format: E.ProofFormat.JSON
+        }
+      },
+      response: {
+        format: E.ProofFormat.JSON
+      },
+      target: [{
+        format: E.ClaimFormat.FINGERPRINT,
+        encoding: E.EntityEncodingFormat.PLAIN,
+        relation: E.ClaimRelation.EQUALS,
+        path: ['guild', 'description']
+      }]
+    }
+  })
+}
+
+export const functions = {
+  postprocess: async (claimData, proofData, opts) => {
+    claimData.profile.display = proofData.result.inviter.username
+
+    return { claimData, proofData }
+  }
+}
+
+export const tests = [
+  {
+    uri: 'https://discord.com/invite/AbCdEf',
+    shouldMatch: true
+  },
+  {
+    uri: 'https://discord.com/invite/AbCdEfGh',
+    shouldMatch: true
+  },
+  {
+    uri: 'https://domain.com/invite/AbCdEf',
+    shouldMatch: false
+  }
+]
diff --git a/src/serviceProviders/index.js b/src/serviceProviders/index.js
index 51b01df..986aa80 100644
--- a/src/serviceProviders/index.js
+++ b/src/serviceProviders/index.js
@@ -38,6 +38,7 @@ import * as stackexchange from './stackexchange.js'
 import * as keybase from './keybase.js'
 import * as opencollective from './opencollective.js'
 import * as orcid from './orcid.js'
+import * as discord from './discord.js'
 
 const _data = {
   aspe,
@@ -64,7 +65,8 @@ const _data = {
   stackexchange,
   keybase,
   opencollective,
-  orcid
+  orcid,
+  discord
 }
 
 export const list = Object.keys(_data)