1 files changed, 114 insertions, 0 deletions
diff --git a/src/client/apis/GoogleAuthenticationManager.tsx b/src/client/apis/GoogleAuthenticationManager.tsx
new file mode 100644
index 000000000..8e8bf8def
--- /dev/null
+++ b/src/client/apis/GoogleAuthenticationManager.tsx
@@ -0,0 +1,114 @@
+import { observable, action, reaction, runInAction } from "mobx";
+import { observer } from "mobx-react";
+import * as React from "react";
+import MainViewModal from "../views/MainViewModal";
+import { Opt } from "../../new_fields/Doc";
+import { Identified } from "../Network";
+import { RouteStore } from "../../server/RouteStore";
+import "./GoogleAuthenticationManager.scss";
+
+const AuthenticationUrl = "https://accounts.google.com/o/oauth2/v2/auth";
+const prompt = "Paste authorization code here...";
+
+@observer
+export default class GoogleAuthenticationManager extends React.Component<{}> {
+    public static Instance: GoogleAuthenticationManager;
+    @observable private openState = false;
+    private authenticationLink: Opt<string> = undefined;
+    @observable private authenticationCode: Opt<string> = undefined;
+    @observable private clickedState = false;
+    @observable private success: Opt<boolean> = undefined;
+    @observable private displayLauncher = true;
+
+    private set isOpen(value: boolean) {
+        runInAction(() => this.openState = value);
+    }
+
+    private set hasBeenClicked(value: boolean) {
+        runInAction(() => this.clickedState = value);
+    }
+
+    public fetchOrGenerateAccessToken = async () => {
+        let response = await Identified.FetchFromServer(RouteStore.readGoogleAccessToken);
+        // if this is an authentication url, activate the UI to register the new access token
+        if (new RegExp(AuthenticationUrl).test(response)) {
+            this.isOpen = true;
+            this.authenticationLink = response;
+            return new Promise<string>(async resolve => {
+                const disposer = reaction(
+                    () => this.authenticationCode,
+                    authenticationCode => {
+                        if (authenticationCode) {
+                            Identified.PostToServer(RouteStore.writeGoogleAccessToken, { authenticationCode }).then(
+                                token => {
+                                    runInAction(() => this.success = true);
+                                    setTimeout(() => {
+                                        this.isOpen = false;
+                                        runInAction(() => this.displayLauncher = false);
+                                        setTimeout(() => {
+                                            runInAction(() => this.success = undefined);
+                                            runInAction(() => this.displayLauncher = true);
+                                            this.hasBeenClicked = false;
+                                        }, 500);
+                                    }, 1000);
+                                    disposer();
+                                    resolve(token);
+                                },
+                                () => {
+                                    this.hasBeenClicked = false;
+                                    runInAction(() => this.success = false);
+                                }
+                            );
+                        }
+                    }
+                );
+            });
+        }
+        // otherwise, we already have a valid, stored access token
+        return response;
+    }
+
+    constructor(props: {}) {
+        super(props);
+        GoogleAuthenticationManager.Instance = this;
+    }
+
+    private handleClick = () => {
+        window.open(this.authenticationLink);
+        setTimeout(() => this.hasBeenClicked = true, 500);
+    }
+
+    private handlePaste = action((e: React.ChangeEvent<HTMLInputElement>) => {
+        this.authenticationCode = e.currentTarget.value;
+    });
+
+    private get renderPrompt() {
+        return (
+            <div style={{ display: "flex", flexDirection: "column" }}>
+                {this.displayLauncher ? <button
+                    className={"dispatch"}
+                    onClick={this.handleClick}
+                    style={{ marginBottom: 15 }}
+                >Authorize a Google account...</button> : (null)}
+                {this.clickedState ? <input
+                    className={'paste-target'}
+                    onChange={this.handlePaste}
+                    placeholder={prompt}
+                /> : (null)}
+            </div>
+        );
+    }
+
+    render() {
+        return (
+            <MainViewModal
+                isDisplayed={this.openState}
+                interactive={true}
+                contents={this.renderPrompt}
+                overlayDisplayedOpacity={0.9}
+                dialogueBoxStyle={{ borderColor: this.success === undefined ? "black" : this.success ? "green" : "red" }}
+            />
+        );
+    }
+
+}
+\ No newline at end of file