implement step 2 stuff

assets/js/definitions/index.d.ts

@@ -0,0 +1,3 @@
+interface Link {
+    id: string
+}

assets/js/pages/AuthPage.tsx

@@ -0,0 +1,16 @@
+// import HexMix from "../utils/hexmix";
+// const fragmentData = window.location.hash.split('.');
+//     if (fragmentData.length <= 0) {
+//       alert("No key found in fragment URI");
+//       return;
+//     }
+//     const key = HexMix.hexToUint8(fragmentData[0]);
+//     const iv = HexMix.hexToUint8(fragmentData[1]);
+
+//     const importedKey = await window.crypto.subtle.importKey(
+//       'raw',
+//       key,
+//       'AES-GCM',
+//       true,
+//       ['encrypt', 'decrypt']
+//     );

assets/js/pages/ForPage.tsx

@@ -2,6 +2,7 @@ import React, { useState } from "react";
 
 import { ProgressIndicator, Header2, Button, IconArrow, Label, Input, Select, CenteredContainer, SpaceBetweenContainer, Spacer, TextAlignWrapper, GlobalStyle } from "@intended/intended-ui";
 
+
 const ForPage = () => {
   const [recipientInput, setRecipientInput] = useState("");
   const [serviceSelect, setServiceSelect] = useState("");
@@ -16,6 +17,35 @@ const ForPage = () => {
     setServiceSelect(e.target.value);
   };
 
+  const postContacts = async () => {
+    const fragmentData = window.location.hash.split('.');
+    if (fragmentData.length <= 0) {
+      alert("No key found in fragment URI");
+      return;
+    }
+
+    const linkId = sessionStorage.getItem("link_id");
+    if (linkId == null || linkId == "") {
+      alert("No created link found in storage");
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append('recipient', recipientInput);
+    formData.append('service', serviceSelect);
+    formData.append("link_id", linkId);
+
+    try {
+      await fetch(`${window.location.origin}/just/for`, { 
+        body: formData,
+        method: "POST"
+      });
+      window.location.href = `${window.location.origin}/just/for/you`;
+    } catch (err: any) {
+      alert(err.message);
+    }
+  };
+
   return (
     <React.StrictMode>
       <GlobalStyle />
@@ -50,7 +80,7 @@ const ForPage = () => {
             <Button variant="secondary" onClick={() => window.location.href = "/just"}>
               <IconArrow arrowDirection="left" />
             </Button>
-            <Button onClick={() => window.location.href = "/just/for/you"}>Generate Secret Code</Button>
+            <Button onClick={postContacts}>Generate Secret Code</Button>
           </SpaceBetweenContainer>
         </CenteredContainer>
       </CenteredContainer>

assets/js/pages/JustPage.tsx

@@ -3,7 +3,7 @@ import React, { useState } from "react";
 import { ProgressIndicator, Header2, Button, IconArrow, Label, FileInput, TextArea, CenteredContainer, Spacer, TextAlignWrapper, GlobalStyle } from '@intended/intended-ui';
 import HexMix from "../utils/hexmix";
 
-const JustPage = () => {
+const JustPage = (props) => {
   const [secretInput, setSecretInput] = useState("");
   const [fileInput, setFileInput] = useState<File | null>(null);
   const [fileName, setFileName] = useState("");
@@ -55,12 +55,17 @@ const JustPage = () => {
     formData.append('filename', 'secret.txt');
 
     try {
-      await fetch(`${window.location.origin}/just`, { 
+      const link: unknown = await fetch(`${window.location.origin}/just`, { 
+        headers: {
+          "X-CSRF-Token": props.csrf
+        },
         body: formData,
         method: "POST"
       });
-      const url = `${window.location.origin}/just/for#${keyHex}.${ivHex}`;
-      window.location.href = url
+      sessionStorage.setItem("link_id", (link as Link).id);
+      sessionStorage.setItem("key_hex", keyHex);
+      sessionStorage.setItem("iv_hex", ivHex);
+      window.location.href = `${window.location.origin}/just/for`;
     } catch (err: any) {
       alert(err.message);
     }

assets/js/pages/YouPage.tsx

@@ -1,8 +1,27 @@
-import React from "react";
+import React, { useState } from "react";
 
 import { ProgressIndicator, Header2, Button, IconArrow, InputButtonWithIcon, Label, Input, CenteredContainer, SpaceBetweenContainer, Spacer, TextAlignWrapper, GlobalStyle } from "@intended/intended-ui";
 
 const YouPage = () => {
+  const calculateUrl = () => {
+    const linkId = sessionStorage.getItem("link_id");
+    const keyHex = sessionStorage.getItem("key_hex");
+    const ivHex = sessionStorage.getItem("iv_hex");
+
+    `${window.location.origin}/just/for/you/${linkId}#${keyHex}.${ivHex}`
+    return "";
+  };
+
+  const [url, setUrl] = useState(calculateUrl());
+
+  const copyUrl = async () => {
+    try { 
+      navigator.clipboard.writeText(url);
+    } catch (err: any) {
+      alert("Could not copy url to clipboard.");
+    }
+  }
+
   return (
     <React.StrictMode>
       <GlobalStyle />
@@ -18,8 +37,8 @@ const YouPage = () => {
           </SpaceBetweenContainer>
           <InputButtonWithIcon
             id="shareLink"
-            onClick={() => {}}
-            value="https://intended.link/for/you/MWUzZjg4YmEtZmNmNy00M..."
+            onClick={copyUrl}
+            value={url}
             variant="copy"
           />
           <Spacer space="2rem" />
@@ -39,7 +58,10 @@ const YouPage = () => {
             <Button variant="secondary" onClick={() => window.location.href = "/just/for"}>
               <IconArrow arrowDirection="left" />
             </Button>
-            <Button onClick={() => {}}>Generate Secret Code</Button>
+            <Button onClick={() => {
+              sessionStorage.clear();
+              window.location.href = "/just";
+            }}>Create Another Secret</Button>
           </SpaceBetweenContainer>
         </CenteredContainer>
       </CenteredContainer>

assets/tsconfig.json

@@ -11,7 +11,8 @@
     "forceConsistentCasingInFileNames": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
-    "lib": ["es2015", "dom"]
+    "lib": ["es2015", "dom"],
+    "typeRoots": ["./js/definitions"]
   },
   "exclude": [
     "/node_modules/**/*",

lib/entendu/links.ex

@@ -36,6 +36,7 @@ defmodule Entendu.Links do
 
   """
   def get_link!(id), do: Repo.get!(Link, id)
+  def get_link(id), do: Repo.get(Link, id)
 
   @doc """
   Creates a link.

lib/entendu/links/link.ex

@@ -11,6 +11,8 @@ defmodule Entendu.Links.Link do
     field :filetype, :string
     field :text_content, :string
     field :file_content, :string
+    field :recipient, :string
+    field :service, :string
 
     timestamps()
   end
@@ -24,7 +26,9 @@ defmodule Entendu.Links.Link do
       :filename,
       :filetype,
       :text_content,
-      :file_content
+      :file_content,
+      :recipient,
+      :service
     ])
   end
 end

lib/entendu_web/controllers/auth_controller.ex

@@ -7,7 +7,6 @@ defmodule EntenduWeb.AuthController do
 
   plug Ueberauth
 
-  alias Ueberauth.Strategy.Helpers
   alias Entendu.UserFromAuth
 
   def delete(conn, _params) do

lib/entendu_web/controllers/link_controller.ex

@@ -33,8 +33,6 @@ defmodule EntenduWeb.LinkController do
          link_params <- Params.to_map(changeset),
          {:ok, %Link{} = link} <- Links.create_link(link_params) do
       conn
-      |> put_status(:created)
-      |> assign(:link, link)
       |> render("show_authorized.json", %{link: link})
     end
   end
@@ -43,8 +41,21 @@ defmodule EntenduWeb.LinkController do
     render(conn, "for.html")
   end
 
-  def for(_conn, %{username: _username, service: _service}) do
-    {:error, "not implemented"}
+  defparams(
+    second_step(%{
+      service: :string,
+      recipient: :string
+    })
+  )
+
+  def for(conn, %{link_id: link_id} = params) do
+    with %Changeset{valid?: true} = changeset <- first_step(params),
+         link_params <- Params.to_map(changeset),
+         %Link{} = link <- Links.get_link(link_id),
+         Links.update_link(link, link_params) do
+      conn
+      |> render("show_authorized.json", %{link: link})
+    end
   end
 
   def you_page(conn, _params) do

lib/entendu_web/live/live_helpers.ex

@@ -15,9 +15,9 @@ defmodule EntenduWeb.LiveHelpers do
         link: @link,
         return_to: Routes.link_index_path(@socket, :index) %>
   """
-  def live_modal(socket, component, opts) do
+  def live_modal(_socket, component, opts) do
     path = Keyword.fetch!(opts, :return_to)
     modal_opts = [id: :modal, return_to: path, component: component, opts: opts]
-    live_component(socket, EntenduWeb.ModalComponent, modal_opts)
+    live_component(EntenduWeb.ModalComponent, modal_opts)
   end
 end

lib/entendu_web/templates/link/just.html.eex

@@ -1 +1 @@
-<%= react_component("Components.JustPage") %>
+<%= react_component("Components.JustPage", %{ csrf: Plug.CSRFProtection.get_csrf_token() }) %>

lib/entendu_web/views/link_view.ex

@@ -1,6 +1,5 @@
 defmodule EntenduWeb.LinkView do
   use EntenduWeb, :view
-  alias EntenduWeb.LinkView
 
   def render("show_authorized.json", %{link: link}) do
     %{

priv/repo/migrations/20211204212315_add_service_and_recipient_to_links.exs

@@ -0,0 +1,10 @@
+defmodule Entendu.Repo.Migrations.AddServiceAndRecipientToLinks do
+  use Ecto.Migration
+
+  def change do
+    alter table(:links) do
+      add :recipient, :string
+      add :service, :string
+    end
+  end
+end