From 1a73ed731ea17c46ac7823577143047097927326 Mon Sep 17 00:00:00 2001
From: Melissa Zhang <mzhang19096@gmail.com>
Date: Thu, 9 Jul 2020 00:00:28 -0700
Subject: check for valid API key, then display extracted hypothes.is username

---
 .../apis/HypothesisAuthenticationManager.tsx       |  6 ++++--
 src/client/apis/hypothesis/HypothesisApiUtils.ts   | 25 ++++++++++++++++------
 2 files changed, 23 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/client/apis/HypothesisAuthenticationManager.tsx b/src/client/apis/HypothesisAuthenticationManager.tsx
index cffb87227..b299f233e 100644
--- a/src/client/apis/HypothesisAuthenticationManager.tsx
+++ b/src/client/apis/HypothesisAuthenticationManager.tsx
@@ -6,6 +6,7 @@ import { Opt } from "../../fields/Doc";
 import { Networking } from "../Network";
 import "./HypothesisAuthenticationManager.scss";
 import { Scripting } from "../util/Scripting";
+import { Hypothesis } from "./hypothesis/HypothesisApiUtils";
 
 const prompt = "Paste authorization code here...";
 
@@ -44,12 +45,13 @@ export default class HypothesisAuthenticationManager extends React.Component<{}>
                 this.disposer = reaction(
                     () => this.authenticationCode,
                     async authenticationCode => {
-                        if (authenticationCode) {
+                        const userProfile = authenticationCode && await Hypothesis.fetchUser(authenticationCode);
+                        if (userProfile && userProfile.userid !== null) {
                             this.disposer?.();
                             Networking.PostToServer("/writeHypothesisAccessToken", { authenticationCode });
                             runInAction(() => {
                                 this.success = true;
-                                this.credentials = response;
+                                this.credentials = Hypothesis.extractUsername(userProfile.userid); // extract username from profile
                             });
                             this.resetState();
                             resolve(authenticationCode);
diff --git a/src/client/apis/hypothesis/HypothesisApiUtils.ts b/src/client/apis/hypothesis/HypothesisApiUtils.ts
index fe35f5831..ab83630a9 100644
--- a/src/client/apis/hypothesis/HypothesisApiUtils.ts
+++ b/src/client/apis/hypothesis/HypothesisApiUtils.ts
@@ -14,7 +14,7 @@ export namespace Hypothesis {
      * Searches for annotations made by @param username that 
      * contain @param searchKeyWord 
      */
-    export const searchAnnotation = async (username: String, searchKeyWord: String) => {
+    export const searchAnnotation = async (username: string, searchKeyWord: string) => {
         const base = 'https://api.hypothes.is/api/search';
         const request = base + `?user=acct:${username}@hypothes.is&text=${searchKeyWord}`;
         console.log("DASH Querying " + request);
@@ -26,6 +26,19 @@ export namespace Hypothesis {
         }
     };
 
+    export const fetchUser = async (apiKey: string) => {
+        const response = await fetch('https://api.hypothes.is/api/profile', {
+            headers: {
+                'Authorization': `Bearer ${apiKey}`,
+            },
+        });
+        if (response.ok) {
+            return response.json();
+        } else {
+            throw new Error('DASH: Error in fetchUser GET request');
+        }
+    };
+
     // Find the most recent placeholder annotation created, and return its ID
     export const getPlaceholderId = async (username: String, searchKeyWord: String) => {
         const getResponse = await Hypothesis.searchAnnotation(username, searchKeyWord);
@@ -54,9 +67,9 @@ export namespace Hypothesis {
         return `https://hyp.is/${annotationId}/${baseUrl}`;
     };
 
-    // export const checkValidApiKey = async (apiKey: string) => {
-    //     const response = await fetch("https://api.hypothes.is/api/profile", {
-
-    //     });
-    // };
+    // Extract username from Hypothe.is's userId format
+    export const extractUsername = (userid: string) => {
+        const exp: RegExp = /(?<=\:)(.*?)(?=\@)/;
+        return exp.exec(userid)![0];
+    };
 }
\ No newline at end of file
-- 
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