From 337138d6e557e7d39e280cb7df43ba4cf039c498 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Wed, 4 Apr 2018 12:06:59 +0200
Subject: [PATCH] Script to check pads to delete when account deletion request

---
 check-account-deletion.js | 76 +++++++++++++++++++++++++++++++++++++++
 pinned.js                 | 10 ++++--
 pinneddata.js             |  1 +
 3 files changed, 84 insertions(+), 3 deletions(-)
 create mode 100644 check-account-deletion.js

diff --git a/check-account-deletion.js b/check-account-deletion.js
new file mode 100644
index 000000000..39bbf02f5
--- /dev/null
+++ b/check-account-deletion.js
@@ -0,0 +1,76 @@
+/* jshint esversion: 6, node: true */
+const Fs = require('fs');
+const nThen = require('nthen');
+const Pinned = require('./pinned');
+const Nacl = require('tweetnacl');
+
+const hashesFromPinFile = (pinFile, fileName) => {
+    var pins = {};
+    pinFile.split('\n').filter((x)=>(x)).map((l) => JSON.parse(l)).forEach((l) => {
+        switch (l[0]) {
+            case 'RESET': {
+                pins = {};
+                if (l[1] && l[1].length) { l[1].forEach((x) => { pins[x] = 1; }); }
+                //jshint -W086
+                // fallthrough
+            }
+            case 'PIN': {
+                l[1].forEach((x) => { pins[x] = 1; });
+                break;
+            }
+            case 'UNPIN': {
+                l[1].forEach((x) => { delete pins[x]; });
+                break;
+            }
+            default: throw new Error(JSON.stringify(l) + '  ' + fileName);
+        }
+    });
+    return Object.keys(pins);
+};
+
+var escapeKeyCharacters = function (key) {
+    return key && key.replace && key.replace(/\//g, '-');
+};
+
+
+const dataIdx = process.argv.indexOf('--data');
+let edPublic;
+if (dataIdx === -1) {
+    const hasEdPublic = process.argv.indexOf('--ed');
+    if (hasEdPublic === -1) { return void console.error("Missing ed argument"); }
+    edPublic = escapeKeyCharacters(process.argv[hasEdPublic+1]);
+} else {
+    const deleteData = JSON.parse(process.argv[dataIdx+1]);
+    if (!deleteData.toSign || !deleteData.proof) { return void console.error("Invalid arguments"); }
+    // Check sig
+    const ed = Nacl.util.decodeBase64(deleteData.toSign.edPublic);
+    const signed = Nacl.util.decodeUTF8(JSON.stringify(deleteData.toSign));
+    const proof = Nacl.util.decodeBase64(deleteData.proof);
+    if (!Nacl.sign.detached.verify(signed, proof, ed)) { return void console.error("Invalid signature"); }
+    edPublic = escapeKeyCharacters(deleteData.toSign.edPublic);
+}
+
+let data = [];
+let pinned = [];
+
+nThen((waitFor) => {
+    let f = './pins/' + edPublic.slice(0, 2) + '/' + edPublic + '.ndjson';
+    Fs.readFile(f, waitFor((err, content) => {
+        if (err) { throw err; }
+        pinned = hashesFromPinFile(content.toString('utf8'), f);
+    }));
+}).nThen((waitFor) => {
+    Pinned.load(waitFor((d) => {
+        data = Object.keys(d);
+    }), {
+        exclude: [edPublic + '.ndjson']
+    });
+}).nThen(() => {
+    console.log('Pads pinned by this user and not pinned by anybody else:');
+    pinned.forEach((p) => {
+        if (data.indexOf(p) === -1) {
+            console.log(p);
+        }
+    });
+});
+
diff --git a/pinned.js b/pinned.js
index 41a832241..d5df9373a 100644
--- a/pinned.js
+++ b/pinned.js
@@ -15,6 +15,7 @@ const hashesFromPinFile = (pinFile, fileName) => {
         switch (l[0]) {
             case 'RESET': {
                 pins = {};
+                if (l[1] && l[1].length) { l[1].forEach((x) => { pins[x] = 1; }); }
                 //jshint -W086
                 // fallthrough
             }
@@ -32,7 +33,7 @@ const hashesFromPinFile = (pinFile, fileName) => {
     return Object.keys(pins);
 };
 
-module.exports.load = function (cb) {
+module.exports.load = function (cb, config) {
     nThen((waitFor) => {
         Fs.readdir('./pins', waitFor((err, list) => {
             if (err) {
@@ -49,7 +50,10 @@ module.exports.load = function (cb) {
             sema.take((returnAfter) => {
                 Fs.readdir('./pins/' + f, waitFor(returnAfter((err, list2) => {
                     if (err) { throw err; }
-                    list2.forEach((ff) => { fileList.push('./pins/' + f + '/' + ff); });
+                    list2.forEach((ff) => {
+                        if (config && config.exclude && config.exclude.indexOf(ff) > -1) { return; }
+                        fileList.push('./pins/' + f + '/' + ff);
+                    });
                 })));
             });
         });
@@ -76,4 +80,4 @@ if (!module.parent) {
             console.log(x + ' ' + JSON.stringify(data[x]));
         });
     });
-}
\ No newline at end of file
+}
diff --git a/pinneddata.js b/pinneddata.js
index 378f34ad7..f9053b9b6 100644
--- a/pinneddata.js
+++ b/pinneddata.js
@@ -9,6 +9,7 @@ const hashesFromPinFile = (pinFile, fileName) => {
         switch (l[0]) {
             case 'RESET': {
                 pins = {};
+                if (l[1] && l[1].length) { l[1].forEach((x) => { pins[x] = 1; }); }
                 //jshint -W086
                 // fallthrough
             }