From c49cc20953e67b1795dce5feb2f1f54813932174 Mon Sep 17 00:00:00 2001
From: Yarmo Mackenbach <yarmo@yarmo.eu>
Date: Mon, 26 Oct 2020 22:33:05 +0100
Subject: [PATCH] WIP Add gitlab

---
 src/index.js                   |  6 +--
 src/serviceproviders.js        |  6 ++-
 src/serviceproviders/gitlab.js | 92 ++++++++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+), 5 deletions(-)
 create mode 100644 src/serviceproviders/gitlab.js

diff --git a/src/index.js b/src/index.js
index a0cb6cf..ff7fdec 100644
--- a/src/index.js
+++ b/src/index.js
@@ -40,11 +40,11 @@ const verify = async (uri, fingerprint, opts) => {
     res = null
 
     if (spData.customRequestHandler instanceof Function) {
-      proofData = spData.customRequestHandler(spData, opts)
+      proofData = await spData.customRequestHandler(spData, opts)
     } else if (!spData.proof.useProxy || 'useProxyWhenNeeded' in opts && !opts.useProxyWhenNeeded) {
-      proofData = serviceproviders.directRequestHandler(spData)
+      proofData = await serviceproviders.directRequestHandler(spData)
     } else {
-      proofData = serviceproviders.proxyRequestHandler(spData)
+      proofData = await serviceproviders.proxyRequestHandler(spData)
     }
 
     claimHasBeenVerified = claimVerification.run(proofData, spData)
diff --git a/src/serviceproviders.js b/src/serviceproviders.js
index fe869ff..fa66930 100644
--- a/src/serviceproviders.js
+++ b/src/serviceproviders.js
@@ -25,6 +25,7 @@ const list = [
   'lobsters',
   'devto',
   'gitea',
+  'gitlab',
   'github',
 ]
 
@@ -37,6 +38,7 @@ const data = {
   lobsters: require('./serviceproviders/lobsters'),
   devto: require('./serviceproviders/devto'),
   gitea: require('./serviceproviders/gitea'),
+  gitlab: require('./serviceproviders/gitlab'),
   github: require('./serviceproviders/github'),
 }
 
@@ -55,7 +57,7 @@ const match = (uri, opts) => {
 
 const directRequestHandler = async (spData) => {
   const res = await req(spData.proof.fetch ? spData.proof.fetch : spData.proof.uri)
-
+  
   switch (spData.proof.format) {
     case 'json':
       return await res.json()
@@ -69,7 +71,7 @@ const directRequestHandler = async (spData) => {
   }
 }
 
-const proxyRequestHandler = (spData) => {
+const proxyRequestHandler = async (spData) => {
   return null
 }
 
diff --git a/src/serviceproviders/gitlab.js b/src/serviceproviders/gitlab.js
new file mode 100644
index 0000000..83ee8e2
--- /dev/null
+++ b/src/serviceproviders/gitlab.js
@@ -0,0 +1,92 @@
+/*
+Copyright 2020 Yarmo Mackenbach
+
+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.
+*/
+const bent = require('bent')
+const req = bent('GET')
+
+const reURI = /^https:\/\/(.*)\/(.*)\/gitlab_proof\/?/
+
+const customRequestHandler = async (spData, opts) => {
+  const match = spData.proof.uri.match(reURI)
+
+  const urlUser = `https://${match[1]}/api/v4/users?username=${match[2]}`
+  const resUser = await req(urlUser, {}, { Accept: 'application/json' })
+  const jsonUser = await resUser.json()
+
+  const user = jsonUser.find(user => user.username === match[2])
+  if (!user) {
+    throw new Error(`No user with username ${match[2]}`);
+  }
+
+  const urlProject = `https://${match[1]}/api/v4/users/${user.id}/projects`
+  const resProject = await req(urlProject, {}, { Accept: 'application/json' })
+  const jsonProject = await resProject.json()
+
+  const project = jsonProject.find(proj => proj.path === 'gitlab_proof')
+  if (!project) {
+    throw new Error(`No project at ${spData.proof.uri}`);
+  }
+
+  return project
+}
+
+const processURI = (uri, opts) => {
+  if (!opts) { opts = {} }
+  const match = uri.match(reURI)
+
+  return {
+    serviceprovider: {
+      type: 'web',
+      name: 'gitlab'
+    },
+    profile: {
+      display: `${match[2]}@${match[1]}`,
+      uri: `https://${match[1]}/${match[2]}`
+    },
+    proof: {
+      uri: uri,
+      fetch: null,
+      useProxy: false,
+      format: 'json'
+    },
+    claim: {
+      fingerprint: null,
+      format: 'message',
+      path: ['description'],
+      relation: 'contains'
+    },
+    qr: null,
+    customRequestHandler: customRequestHandler
+  }
+}
+
+const tests = [
+  {
+    uri: 'https://gist.github.com/Alice/123456789',
+    shouldMatch: true
+  },
+  {
+    uri: 'https://gist.github.com/Alice/123456789/',
+    shouldMatch: true
+  },
+  {
+    uri: 'https://domain.org/Alice/123456789',
+    shouldMatch: false
+  }
+]
+
+exports.reURI = reURI
+exports.processURI = processURI
+exports.tests = tests