From f253f0af0f14fc73138d79ac1fbdd2c506ba0d58 Mon Sep 17 00:00:00 2001
From: Trent Larson <trent@trentlarson.com>
Date: Fri, 26 Jan 2024 20:36:29 -0700
Subject: [PATCH] add ability to import from Endorser Mobile CSV

---
 project.task.yaml          |  2 +-
 src/libs/endorserServer.ts |  2 +
 src/views/ContactsView.vue | 94 +++++++++++++++++++++++++++++++++++---
 3 files changed, 91 insertions(+), 7 deletions(-)

diff --git a/project.task.yaml b/project.task.yaml
index e094022..64789ee 100644
--- a/project.task.yaml
+++ b/project.task.yaml
@@ -1,6 +1,7 @@
 
 tasks:
 
+- anchor hash into BTC
 - image on give
   - Show a camera to take a picture
   - Scale the image to a reasonable size
@@ -11,7 +12,6 @@ tasks:
   - Rates - images erased?
     - image not associated with JWT ULID since that's assigned later
 - mark a project as inactive
-- make a shortcut for BVC
 - add share button for sending a message to confirmers when we can't see the claim
 - add TimeSafari as a shareable app https://developer.mozilla.org/en-US/docs/Web/Manifest/share_target
 - choose a project's alternative agent ("authorized representative") via a contact chooser (not just copy-paste a DID)
diff --git a/src/libs/endorserServer.ts b/src/libs/endorserServer.ts
index 0bda865..3c2fb95 100644
--- a/src/libs/endorserServer.ts
+++ b/src/libs/endorserServer.ts
@@ -8,6 +8,8 @@ import { Contact } from "@/db/tables/contacts";
 export const SCHEMA_ORG_CONTEXT = "https://schema.org";
 // the object in RegisterAction claims
 export const SERVICE_ID = "endorser.ch";
+// the header line for contacts exported via Endorser Mobile
+export const CONTACT_CSV_HEADER = "name,did,pubKeyBase64,seesMe,registered";
 // the prefix for the contact URL
 export const CONTACT_URL_PREFIX = "https://endorser.ch";
 // the suffix for the contact URL
diff --git a/src/views/ContactsView.vue b/src/views/ContactsView.vue
index 16602d2..8250aa2 100644
--- a/src/views/ContactsView.vue
+++ b/src/views/ContactsView.vue
@@ -26,10 +26,10 @@
       >
         <fa icon="qrcode" class="fa-fw text-2xl" />
       </router-link>
-      <input
+      <textarea
         type="text"
         placeholder="URL or DID, Name, Public Key, Next Public Key Hash"
-        class="block w-full rounded-l border border-r-0 border-slate-400 px-3 py-2"
+        class="block w-full rounded-l border border-r-0 border-slate-400 px-3 py-2 h-10"
         v-model="contactInput"
       />
       <button
@@ -297,6 +297,7 @@ import {
   SimpleSigner,
 } from "@/libs/crypto";
 import {
+  CONTACT_CSV_HEADER,
   CONTACT_URL_PREFIX,
   GiveServerRecord,
   GiveVerifiableCredential,
@@ -307,6 +308,7 @@ import * as libsUtil from "@/libs/util";
 import QuickNav from "@/components/QuickNav.vue";
 import EntityIcon from "@/components/EntityIcon.vue";
 import { Account } from "@/db/tables/accounts";
+import { IndexableType } from "dexie";
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const Buffer = require("buffer/").Buffer;
@@ -365,7 +367,7 @@ export default class ContactsView extends Vue {
     );
 
     if (this.contactEndorserUrl) {
-      await this.newContactFromScan(this.contactEndorserUrl);
+      await this.addContactFromScan(this.contactEndorserUrl);
       localStorage.removeItem("contactEndorserUrl");
       this.contactEndorserUrl = "";
     }
@@ -535,7 +537,46 @@ export default class ContactsView extends Vue {
     }
 
     if (this.contactInput.startsWith(CONTACT_URL_PREFIX)) {
-      await this.newContactFromScan(this.contactInput);
+      await this.addContactFromScan(this.contactInput);
+      return;
+    }
+
+    if (this.contactInput.startsWith(CONTACT_CSV_HEADER)) {
+      const lines = this.contactInput.split(/\n/);
+      const lineAdded = [];
+      for (const line of lines) {
+        if (!line.trim() || line.startsWith(CONTACT_CSV_HEADER)) {
+          continue;
+        }
+        lineAdded.push(this.addContactFromEndorserMobileLine(line));
+      }
+      try {
+        await Promise.all(lineAdded);
+        this.$notify(
+          {
+            group: "alert",
+            type: "success",
+            title: "Contacts Added",
+            text: "Each contact was added. Nothing was sent to the server.",
+          },
+          -1, // keeping it up so that the "visibility" message is seen
+        );
+      } catch (e) {
+        this.$notify(
+          {
+            group: "alert",
+            type: "danger",
+            title: "Contacts Maybe Added",
+            text: "An error occurred. Some contacts may have been added.",
+          },
+          -1,
+        );
+      }
+      const allContacts = await db.contacts.toArray();
+      this.contacts = R.sort(
+        (a: Contact, b) => (a.name || "").localeCompare(b.name || ""),
+        allContacts,
+      );
       return;
     }
 
@@ -576,7 +617,48 @@ export default class ContactsView extends Vue {
     await this.addContact(newContact);
   }
 
-  async newContactFromScan(url: string): Promise<void> {
+  async addContactFromEndorserMobileLine(line: string): Promise<IndexableType> {
+    // Note that Endorser Mobile puts name first, then did, etc.
+    let name = line;
+    let did = "";
+    let publicKeyInput, seesMe, registered;
+    const commaPos1 = line.indexOf(",");
+    if (commaPos1 > -1) {
+      name = line.substring(0, commaPos1).trim();
+      did = line.substring(commaPos1 + 1).trim();
+      const commaPos2 = line.indexOf(",", commaPos1 + 1);
+      if (commaPos2 > -1) {
+        did = line.substring(commaPos1 + 1, commaPos2).trim();
+        publicKeyInput = line.substring(commaPos2 + 1).trim();
+        const commaPos3 = line.indexOf(",", commaPos2 + 1);
+        if (commaPos3 > -1) {
+          publicKeyInput = line.substring(commaPos2 + 1, commaPos3).trim();
+          seesMe = line.substring(commaPos3 + 1).trim() == "true";
+          const commaPos4 = line.indexOf(",", commaPos3 + 1);
+          if (commaPos4 > -1) {
+            seesMe = line.substring(commaPos3 + 1, commaPos4).trim() == "true";
+            registered = line.substring(commaPos4 + 1).trim() == "true";
+          }
+        }
+      }
+    }
+    // help with potential mistakes while this sharing requires copy-and-paste
+    let publicKeyBase64 = publicKeyInput;
+    if (publicKeyBase64 && /^[0-9A-Fa-f]{66}$/i.test(publicKeyBase64)) {
+      // it must be all hex (compressed public key), so convert
+      publicKeyBase64 = Buffer.from(publicKeyBase64, "hex").toString("base64");
+    }
+    const newContact = {
+      did,
+      name,
+      publicKeyBase64,
+      seesMe,
+      registered,
+    };
+    return db.contacts.add(newContact);
+  }
+
+  async addContactFromScan(url: string): Promise<void> {
     const payload = getContactPayloadFromJwtUrl(url);
     if (!payload) {
       this.$notify(
@@ -661,7 +743,7 @@ export default class ContactsView extends Vue {
         }
         if (err.name === "ConstraintError") {
           message +=
-            "Check that the contact doesn't conflict with any you already have.";
+            " Check that the contact doesn't conflict with any you already have.";
         }
         this.$notify(
           {